31results about "Fluid heaters" patented technology

An arrangement is disclosed of a gas delivery control system (1) and one or more appliances (AP) including a central heating installation. The one or more appliances are arranged for generating a request signal (S1) indicative for a requested supply of gas by at least one of the appliances. The gas delivery control system comprises, —a controllable gas valve (10) having an input (12) to be coupled to a gas supply (GS) via a conduit (22) and having an output (14), —a control device (30) for controlling the controllable valve, wherein the control device controls the controllable valve in accordance with a value of the request signal of the one or more appliances coupled to the output of the valve via a conduit, —a gas pressure sensor (40) for determining whether the gas pressure in the conduit has a value lower than a pressure reference value, —a reference module (50) for determining whether a predetermined time interval has lapsed since a closure of the controllable gas valve, —an error signaling module (60) for issuing an error signal (Error) if it is detected before a lapse of the predetermined time interval that the gas pressure is lower than the pressure reference value.

The invention relates to a novel heat energy recovery device. The novel heat energy recovery device comprises a support, a water tank and a tank cover, wherein a filtration cavity is formed in the left side of the water tank, a gas inlet pipe is connected to the left side wall of the filtration cavity, a cavity gas outlet is formed in the right side wall, a partition board is arranged in the filtration cavity, partition board through holes are formed in the partition board, a filter net is arranged on the left side of the partition board, a clearing port and a lid body are arranged at the left end of the bottom of the filtration cavity, an S-shaped heat dissipation pipe is arranged in the water tank, a gas inlet of the S-shaped heat dissipation pipe communicates with the cavity gas outlet in the filtration cavity through a gas guide pipe, the gas outlet is connected with an exhaust pipe, a water inlet is formed in the tank cover, a water outlet is formed in the bottom of the right side of the water tank, a push rod motor is arranged at the top end outside the filtration cavity, the bottom end of a push rod of the push rod motor is connected with a brush rod, a rotation motor is arranged at the bottom end of the outside of the water tank, and a stirring rod is arranged at the top end of an output shaft of the rotation motor. By the aid of the structure, heat energy can be more sufficiently recovered and utilized, and normal operation of the heat energy recovery device is effectively guaranteed.

The invention relates to a boiler waste heat recovery device, which comprises a boiler return water tank and a heat absorption tank installed on a flue. Among them, the heat absorbing tank is provided with a flue gas channel extending from the bottom of the heat absorbing tank to the top of the heat absorbing tank, a plurality of heat absorbing steel pipes are arranged inside the heat absorbing tank, and water inlets and outlets are provided on the outer wall of the heat absorbing tank. The water inlet and the water outlet are respectively connected to the boiler return water tank through pipes. The invention realizes secondary recovery and reuse of boiler waste heat, greatly increases boiler inlet water temperature, achieves the goals of coal saving, energy saving and environmental protection, and reduces cost while improving boiler thermal efficiency.

The invention discloses a water heater water tank and an air energy water heater. The water heater water tank comprises a water tank inner container. At least one side of the water tank inner container is wrapped by a heat exchanger. The heat exchanger comprises a first flow collection pipe, a second flow collection pipe and multiple heat exchange pipes. The first flow collection pipe is located on the upper portion of the side face of the water tank inner container, and the second flow collection pipe is located on the lower portion of the side face of the water tank inner container. The heatexchange pipes are attached to the outer wall of the water tank inner container, and a refrigerant in each heat exchange pipe flows towards the second flow collection pipe from the first flow collection pipe. The water heater water tank has the advantage of being high in heat exchange efficiency.

The invention discloses a condensation water drainage pipe of a wall-mounted furnace. The condensation water drainage pipe comprises a condensation water drainage pipe main body, a large elastic tubeis annularly arrayed on the inner wall of a outer sheath, anti-folding plates are annularly arrayed on the inner wall of the outer sheath, a small elastic tube is annularly arrayed on the outer wall of the condensation water drainage pipe body, and elastic plates are arranged in the inner cavity of the large elastic tube and the inner cavity of the small elastic tube. According to the condensationwater drainage pipe, the pipe is provided with the small elastic tube, the large elastic tube and the anti-folding plates, the bending resistance is improved by utilizing the mutual extrusion pressure of the anti-folding plates, the small-sized elastic tube and the large-scale elastic tube, meanwhile, the impact force and the pressure brought by the outside can be buffered, and the service life of the condensation water drainage pipe body can be prolonged; elastic plates are arranged in the small elastic tube and the large elastic tube, and the elastic buffering capacity of the small elastictube and the large elastic tube is further improved.

The incrustation treatment equipment comprises a furnace pipe, a reversal chamber is installed at one end of the furnace pipe, a rear pipe plate is installed at the other end of the furnace pipe, a shell is installed on the surface of one side of the rear pipe plate, the furnace pipe is sleeved with the shell, a treatment device is arranged between the shell and the furnace pipe, and a winding device is arranged outside the shell; a short smoke pipe and long smoke pipes arranged on the two sides of the short smoke pipe are arranged on a shell of the rear pipe plate in a penetrating mode, the end, away from the rear pipe plate, of the short smoke pipe extends into the reversal chamber, and the end, away from the rear pipe plate, of the long smoke pipe penetrates through the shell and extends to the outside. The treatment device comprises a first descaling assembly arranged outside the furnace pipe, a second descaling assembly arranged outside the reversal chamber and an ultrasonic assembly connected with the first descaling assembly and the second descaling assembly. Short smoke pipes, long smoke pipes and a shell of the boiler can be treated at the same time, and therefore the cleaning efficiency is improved.

The invention discloses a safe pressure relieving and anti-creeping device for a water heater. The safe pressure relieving and anti-creeping device comprises a valve and a pipe. A water inlet channeland an outer pressure relieving channel are formed in the valve, and an inner relieving valve assembly used for balancing the pressure in the water heater is arranged in the water inlet channel. An outer relieving valve assembly used for water heater over-pressure protection is arranged in the outer pressure relieving channel. A water pipe plug matched with the pipe is arranged at the top end of the pipe, and the pipe and the water pipe plug are made of isolating materials. The main purposes of the safe pressure relieving and anti-creeping device are that the valve and the pipe are both made of the isolating materials, the isolating materials are isolated from electricity and meanwhile are low in heat conductivity coefficient, thus the anti-creeping safe protection function is achieved, amain structure is formed through a mold, the high heat resistance is also achieved in the aspect of the material characteristic, and the purposes of energy conservation and heat preservation are achieved. Meanwhile, the safe pressure relieving and anti-creeping device is provided with the inner relieving valve assembly and the outer relieving valve assembly, thus the safe pressure relieving function is achieved, the secondary pressure relieving effect can be achieved structurally, and thus practicability of pressure relieving is enhanced greatly.

The invention discloses a three-level heated waste water waste heat recovery device of a heat-pump water heater. The three-level heated waste water waste heat recovery device comprises a main water collection tank used for collecting heated waste water. A heat exchanger, a first evaporator and a second evaporator are sequentially mounted in the main water collection tank from top to bottom, wherein the second evaporator is mounted in an auxiliary water collection tank which is accommodated in the main water collection tank below the first evaporator. The heat exchanger is in series connection to a water inlet pipe of the heat-pump water heater. The first evaporator and the second evaporator are in series connection. The output end of the first evaporator is connected to an inlet of a compressor of the heat-pump water heater. The input end of the second evaporator is connected to an outlet of a throttle valve of the heat-pump water heater. According to the three-level heated waste water waste heat recovery device, water stored in the auxiliary water collection tank in advance can be utilized as a heat source for the heat-pump water heater to absorb heat when the heat-pump water heater starts to operate. After the operation of the heat-pump water heater is finished, the heat of generated waste hot water is subjected to three-level waste heat recovery through the three-level heated waste water waste heat recovery device, so that the heat of the waste hot water is recovered as much as possible.

The invention provides a modular heat storage device which comprises a plurality of heat storage modules and a water storage tank, wherein the plurality of heat storage modules are connected through connecting pipes to form a heat storage body set, the heat storage body set is connected with the water storage tank through a water inlet pipe and a water outlet pipe, each heat storage module comprises a shell and a heat storage body, connectors allowing the water inlet pipe and the water outlet pipe to penetrate are formed in the shell, and the heat storage bodies are arranged in the shell and connected with the water inlet pipe and the water outlet pipe through connectors. The modular heat storage device has the beneficial effects that the use mode is flexible, multiple sets of modules can be connected for heat storage at the same time; when in use, the modules can be recombined according to actual conditions and placed in different spaces or positions, the modular heat storage device can also be used as a heat energy transfer terminal, off-peak electricity is used for centralized heat storage at night or industrial waste heat is used for heat storage, after heat storage is completed, the heat storage modules are conveyed to a use environment, and the modules are recombined according to requirements and flexibly used.

The invention relates to the field of power plant hydration technologies, in particular to an intelligent control system and method for boiler water quantity of a hydration workshop. According to thetechnical scheme, the intelligent control system for the boiler water quantity of the hydration workshop comprises a main controller, wherein the main controller comprises a standard water quantity presetting module, a water quantity detecting module, a water quantity comparison module and an adjusting module. The intelligent control method for the boiler water quantity of the hydration workshop comprises the following steps that the standard water quantity of a boiler is preset, timely water quantity of the boiler is detected, the timely water quantity of the boiler is compared with the standard water quantity in real time, and connection and disconnection of a water inlet pipe or a water outlet pipe is controlled according to a water quantity comparison result. According to the intelligent control system and method for the boiler water quantity of the hydration workshop, the problems that the boiler water quantity of an existing hydration workshop can only be manually adjusted, so that adjustment is not timely and is low in precision.

The invention discloses a constant-temperature water storage tank and a water heater comprising the same. The constant-temperature water storage tank comprises a tank body, a telescopic bag and a venturi tube, wherein the tank body is provided with a water inlet and a water outlet which communicate with an inner cavity of the tank body, the telescopic bag is arranged in the inner cavity of the tank body, the side wall of the contraction part of the venturi tube is provided with a communication port, the communication port communicates with the interior of the telescopic bag, the venturi tube communicates with the water inlet, the telescopic bag in the tank body of the constant-temperature water storage tank contracts along with the change of the flow speed of water flow in the venturi tube, when the flow speed of the water flow in the venturi tube is high, the negative pressure generated by the contraction part in the venturi tube is high, the telescopic bag contracts, the volume of the inner cavity of the tank body of the constant-temperature water storage tank is increased, the water flow in the constant-temperature water storage tank can flow out of the water storage tank after a long time, so that the inlet water of the constant-temperature water storage tank can be fully mixed with the water in the tank body, and the temperature of the outlet water of the constant-temperature water storage tank is stable.

The invention provides a temperature-adjustable bed. The bed comprises a plurality of supporting legs, a bed board and fences. The fences are arranged on at least three side faces of the bed board ina surrounding mode. The supporting legs are cylindrical. The bed further comprises a temperature control assembly. Sliding grooves are formed in the supporting legs in the axial direction of the supporting legs. The bed board is slidably connected into the sliding grooves through connecting assemblies. The temperature control assembly comprises a water tank, a circulating water pipe and a heat exchanger. The circulating water pipe communicates with the water tank. The water tank is arranged on one sides of the supporting legs. The circulating water pipe is laid below the bed board. The heat exchanger is arranged between the water tank and the circulating water pipe. When the temperature-adjustable bed is used as a baby crib or a nursing bed, the bed board can be adjusted to be at the sameheight as or at a proper height as an adult bed. Therefore, parents can conveniently take care of infants, or nursing workers can conveniently take care of patients or old people. The circulating water pipe, the water tank and the heat exchanger are laid below the bed board, so that the bed board is preheated or cooled. Various use requirements are met.

The invention discloses a water heater and a control method thereof. The control method of the water heater comprises the following steps: the number of appointed carried terminal equipment in a family region range is obtained; a target water temperature of the water heater is adjusted according to the number of the appointed carried terminal equipment; and water in the water heater is heated to the target water temperature. The water heater counts the number of present appointed carried terminal equipment in real time, and heats water according to the number, so that the water temperature heated by the water heater is corresponding to the person number, and the water use demands by users are met when the water is heated as less as possible.

The invention belongs to the technical field of water heaters, and relates to an electric appliance room of a water heater and the water heater. A heat preservation box clamped outside an inner container flange is installed in the electric appliance room, and a vacuum heat insulation panel is arranged in the heat preservation box. According to the electric appliance room of the water heater and the water heater, the heat preservation box is clamped outside the inner container flange, so that the situation that the heat of the inner container flange is seriously dissipated is avoided; meanwhile, the situation that the normal work of electrical components in the electrical appliance room is affected and the subsequent maintenance of the electrical components is inconvenient when a foaming material is used for heat insulation treatment of the electrical appliance room in the prior art is avoided; in addition, the heat preservation box is used for heat insulation treatment of the main heatdissipation end of an inner container, so that the technical problems that the heat dissipation of the main heat dissipation end of the inner container is serious and a traditional heat preservationmaterial occupies large space at the end part are solved.

The invention relates to an induction heating device for quickly improving temperature and uniformity of flowing liquid, which comprises a heater, an induction heating inner component and an induction coil, the induction coil is spirally wound on the outer wall of the heater, the induction heating inner component is arranged in an inner cavity of the heater, and the heater comprises a heater cylinder, an upper interface assembly and a lower interface assembly. And a screen is arranged at the bottom of the induction heating inner component of the heater. According to the induction heating device, system and method, the induction heating inner component composed of the multiple metal sheets is installed in the heater, the heating efficiency is improved, the temperature of flowing liquid is rapidly increased, and meanwhile the temperature distribution uniformity in the heater is improved.

A water jacket for the heating furnace is composed of internal wall made of gray cast iron, external wall made of weldable steel plate and sealing plates wrapped by convex rings on the external surface of internal wall, made of weldable steel plate, and welded to external wall. Its advantages are high corrosion resistance, long service life and low cost.

The invention discloses a bath heater structure. The bath heater structure comprises a box body and a panel, a warm air duct is arranged in the box body, a warm air blower is arranged in the warm air duct, a ventilation inlet is formed in the side wall of the panel, a warm air inlet is formed in a position, corresponding to the warm air blower, of the panel, and a warm air outlet is formed beside the warm air inlet. The bath heater structure is characterized in that an interlayer air heating device is arranged in the interior of the box body, the interlayer air heating device comprises a draught fan and a heating module, and an air circulation hole is formed in the position, corresponding to the draught fan, of the box body.

The invention provides a water heater remote control system. The water heater remote control system comprises a receiving end carrier module, a receiving end signal resolution chip, a voltage control circuit, a power line carrier module, a central control chip, a transformer, a communication module and a network background. The power line carrier module and the transformer are connected with the power input of a household power supply. The transformer is connected with the central control chip, reduces the voltage of the household power supply to 5V and transmits the voltage to the central control chip. The central control chip is connected with and controls the power line carrier module. The water heater remote control system is low in mounting cost; a user just needs to conduct proper transformation or additional mounting on an existing electric power line and an existing household appliance without completely replacing a water heater, and therefore the problem of high replacement cost does not exist; internal control signals are transmitted in a power line carrier mode, and the problem of communication conflicts is effectively avoided; a user achieves control through short messages; as long as the user is not an illiterate and can use the basic functions of a mobile phone, the user can complete control well; accordingly, the situation that it is hard for most of middle-aged and aged people to learn to use applications (APP) is effectively avoided.

The invention provides an air filtering device for a condensing furnace. The air filtering device comprises an inner smoke pipe elbow and an outer smoke pipe elbow, one end of the inner smoke pipe elbow is connected with one end of the straight inner smoke pipe; the other end of the inner smoke pipe elbow is connected with the filtering inner pipe; one end of the outer smoke pipe elbow is connected with one end of the straight outer smoke pipe, the other end of the outer smoke pipe elbow is connected with the filtering outer pipe, the filtering outer pipe is sleeved with the filter shell, an annular sealing ring is arranged between the filtering outer pipe and the filtering inner pipe, and the part between the filtering outer pipe and the filtering inner pipe is divided into a first cavity and a second cavity through the annular sealing ring. A first through hole is formed in the filter outer pipe corresponding to the first cavity, a second through hole is formed in the filter outer pipe corresponding to the second cavity, and a filter screen sleeves the outer wall of the filter outer pipe. As mentioned above, the air filtering device for the condensing furnace solves the problems that in the prior art, only a smoke exhaust function and an air inlet function are provided, and dust and particles in air cannot be filtered out.

The invention discloses a discharge pipe assembly and a water heater with the same. The discharge pipe assembly is mounted on an inner container of the water heater and comprises a discharge pipe, a water flowing sleeve and a connecting pipe. The discharge pipe is mounted on the inner container; the upper end of the water flowing sleeve sleeves the discharge pipe; the upper end of the connecting pipe is connected with the lower end of the water flowing sleeve. The discharge pipe assembly and the water heater in an embodiment of the invention have the advantages that the discharge pipe assembly with the connecting pipe can be conveniently connected with an external water pipe, and accordingly the manufacturing cost can be lowered while the assembling difficulty is reduced.

The invention relates to a large-temperature-rise two-stage second-class lithium bromide absorption heat pump water heater. The large-temperature-rise two-stage second-class lithium bromide absorption heat pump water heater is composed of a high-temperature side solution circulation process and a low-temperature side solution circulation process which are relatively independent and associated with each other, wherein waste heat water is sequentially connected to a low-temperature evaporator, a high-temperature generator and a low-temperature generator in series; cooling water is sequentially connected to a high-temperature condenser and a low-temperature condenser in series; and internal circulating hot water enters a high-temperature absorber through an internal circulating hot water pump to be heated and then enters a high-temperature evaporator to be cooled. The waste heat water cooling gradient is reasonably utilized, the waste heat water cooling amplitude is increased, the low-temperature side evaporation temperature is guaranteed, the low-temperature absorber can produce high-temperature internal circulating hot water to be used by the high-temperature evaporator, the high-temperature side evaporation temperature is effectively increased, the temperature of hot water entering the high-temperature absorber is increased, and high-grade hot water can be produced to be used by a user. The water heater breaks through the temperature rising amplitude of a common single-effect second-class heat pump, and a larger temperature rising amplitude is achieved.

The invention generally relates to the technical field of water heaters, in particular to a heat exchange device and a water heater. The heat exchange device comprises a case body and heat exchangers,wherein a flue channel extending in a folded shape is arranged in the case body, and the heat exchangers are arranged in the flue channel. Each heat exchanger comprises a heat exchange sheet set anda heat exchange tube connected with the heat exchange sheet set, wherein each heat exchange sheet set is provided with a heat exchange channel for flue gas circulation to enable the flue gas to pass through the heat exchange sheet set for heat exchange. On the basis of satisfying the miniaturization requirement of the heat exchange device, the circulation path of the flue gas in the case body is prolonged, the heat exchange efficiency of the heat exchangers is improved, and the heat loss is reduced.

The invention relates to a water tank and a heat pump water heater provided with the same. Specifically, the water tank provided by the invention comprises a tank body and a water inlet pipe. The tank body is provided with a bottom wall and a circumferential wall formed by stretching upward from the circumference of the bottom wall. The inner surface of the bottom wall protrudes upwards to form a rib or is recessed downwards to form a groove, so that a sewage discharge channel with the outlet end being located in the lowest position of the inner surface of the bottom wall is defined. The water inlet pipe is configured to be capable of conveying water to the inlet end of the sewage discharge channel, so that the flow direction of at least part of water is changed by the sewage discharge channel, and at least dirt in the zone, covered by the sewage discharge channel, of the inner surface of the bottom wall is taken to the lowest position of the inner surface of the bottom wall. In addition, the invention further provides the heat pump water heater provided with the water tank. According to the water tank, flow disturbance during sewage discharge can be improved, so that the bottom dirt of the water tank is removed more easily, and the sewage discharge effect is improved.