66 results about "Exhaust pipe" patented technology

The invention discloses a coal seam anti-reflection method for circular damage by using cold shock of liquid nitrogen and phase change gas. First, a layer penetrating drill hole is drilled in a roadway to a coal seam through a rock layer; in the layer penetrating drill hole, the coal seam is cut to form multiple cracks perpendicular to the layer penetrating drill hole; a liquid nitrogen injectingpipe and an exhaust pipe extend into the layer penetrating drill hole; and the exhaust pipe is connected with two gas pipelines separately provided with a safety valve and a spherical valve. The spherical valve performs the on-off control over the emission of nitrogen when the liquid nitrogen is injected in the layer penetrating drill hole; after the spherical valve is closed, a threshold of the safety valve is set, so that the safety valve controls the pressure in the layer penetrating drill hole; and after the air pressure in the layer penetrating drill hole exceeds the threshold each time,the safety valve is opened to discharge internal nitrogen for pressure relief, and the safety valve is automatically closed after the pressure relief. The method can guarantee that the liquid nitrogenis quickly and continuously injected in the layer penetrating drill hole, and meanwhile, cracks of coal masses are caused by using cold shock of the liquid nitrogen, the expansion pressure of the phase change gas and the frost heaving pressure of water in the cracks to effectively guarantee the anti-reflection effect.

The invention discloses a pressure balance system of an automatic ELISA (Enzyme-Linked Immunosorbent Assay) plate washer and the ELISA plate washer. The ELISA plate washer comprises a cleaning head, a vacuum pump and a plurality of lotion bottles for providing lotion for a lotion needle of the cleaning head; and the pressure balance system comprises a first multi-path joint, a main exhaust pipe and at least one auxiliary exhaust pipe, wherein the first multi-path joint is connected with the vacuum pump and the lotion bottles and used for balancing the pressure suffered by the lotion bottles, the main exhaust pipe and the at least one auxiliary exhaust pipe are respectively connected with the first multi-path joint and used for discharging air outside, and a switch is arranged on the auxiliary exhaust pipe and connected with a control circuit for controlling the on and off of the switch. According to the invention, the pressure balance system is arranged in the ELISA plate washer, so that the pressure of a pipeline in the ELISA plate washer can be adjusted automatically, the pressure generated by the vacuum pump can be matched with the flow of the lotion needle on the cleaning head automatically, the flowing rate of the lotion distributed for the lotion needle by the cleaning head can be kept consistent under any state, so that when a large plate washer is used for few pore plates, the damage of an instrument as part of washing channel is closed and excessive overflowing liquid overflows a tray and enters the machine can be prevented.

The invention discloses a fallen leaf clearing device for gardens. The fallen leaf clearing device comprises a bottom plate, a case is fixedly connected to the top of the base plate, and a water tank,a collection box and a smashing chamber are fixedly connected to the inner bottom wall of the case sequentially from left to right. A collection pipe is communicated with the right bottom of the smashing chamber, and one end, away from the smashing chamber, of the collection pipe penetrates the right side of the case and is communicated with a collection port. A motor is fixedly connected to thetop of the smashing chamber, and a rotating shaft is fixedly connected to an output end of the motor. By joint use of the bottom plate, the case, the water tank, an exhaust pipe, a dust discharging pipe, the collection box, supporting rods, a dust discharging pipe, a fan, a retaining plate, a discharging port, the motor, the smashing chamber, smashing rods, the rotating shaft, the collection pipe,the collection port and air outlet holes, the problem that an existing fallen leaf clearing device is lack of a dust removal function in clearing of fallen leaves is solved, convenience in use is brought to a user, practicality of the fallen leaf clearing device is improved, and dust removal is realized.

On top of respective areas divided by partition plates, that is, a cassette station, a processing station, and an interface section in a coating and developing processing system, gas supply sections for supplying an inert gas into the respective areas are provided. Exhaust pipes for exhausting atmospheres in the respective areas are provided at the bottom of the respective areas. The atmospheres in the respective areas are maintained in a clean condition by supplying the inert gas not containing impurities such as oxygen and fine particles from the respective gas supply sections into the respective areas and exhausting the atmospheres in the respective areas from the exhaust pipes.

A material particle size online detector is characterized by comprising a material feeding funnel (1), a shell (2), a gas exhaust pipe (3), a discharged material collecting hopper (4) and a camera (5); the material feeding funnel (1) is arranged on one side (such as the left side) of the top of the shell (2); the material feeding funnel (1) is communicated with the upper part of the shell (2); thegas exhaust pipe (3) is arranged on the other side (such as the right side) of the top of the shell (2) or at the upper part of the side wall of the shell (2); the gas exhaust pipe (3) is communicated with the internal space in the shell (2); the discharged material collecting hopper (4) is arranged at the lower part of the shell (2) and the discharged material collecting hopper (4) is communicated with the bottom of the shell (2), wherein the an air inlet (6) is formed in the side wall, corresponding to one side with the material feeding funnel (1), of the shell (2); and the camera (5) is arranged at the side part of the shell (2). The material particle size online detector provided by the invention has the advantages that real-time online detection can be provided, the theoretical principle is simple, the operation is stable, and the reliability is high.

The invention discloses a fireproof door with a smoke-proof function, which comprises a door panel made of a flame-retardant plate, and the four edges of the door panel are fixed with screws and installed with a sealing strip made of flame-retardant rubber; the outer edge of the door panel is There is an embedding groove on the top, and an air duct is embedded and fixed in the embedding groove, the air duct is arranged in a ring shape, and air holes are evenly opened on the outside of the air duct; in the event of a fire, the present invention can use a suction fan to Produce a strong air extraction effect, draw the smoke from the gap of the door panel into the exhaust pipe from the air hole, then send it into the exhaust pipe, and finally discharge it from the air hole to the room where the fire occurred. When using the equipment, it is necessary to ensure that the indoor When there are no people left, the personnel in the escape passage can choose to turn on the suction fan. At this time, the amount of dense smoke permeating into the escape passage will be greatly reduced, which prevents the personnel in the escape passage from being hurt by the thick smoke, thus improving safety. high.

The invention provides a cyclone separator which solves theproblemthat discharged gas contains more impurities due toairflow fluctuationin the prior art. The cyclone separator comprises a cyclone cylinder formed by a cylindrical cavity and a cone cavity through communication, a gas inlet pipe, an exhaust pipe and a cyclone cylinder lower port. The cyclone separator is characterized in that the exhaust pipe is rotationally matched with the cyclone cylinder, a spiral blade is arranged on the exhaust pipe, and a centrifugal wind wheel is arranged at an outlet in the upper end of the exhaust pipe. By means of the rotatable exhaust pipe, influence of inlet airflow fluctuation on airflow in the cyclone separator is reduced, the quantityof the impurities discharged with airflow is reduced, and the separation effect is improved.

The invention discloses a self-cleaning system of an indoor unit of an air conditioner. The system comprises a cold expansion control module, an exhaust pipe heat exchange device, a press exhaust pipe, and a refrigerant pipeline serially connected with an indoor unit heat exchange module, wherein the cold expansion control module is electrically connected with an air conditioner refrigerating system for receiving trigger signals of the air conditioner opening a self-cleaning function; an indoor heat exchanger is controlled to heat after refrigeration, and then, frosting and defrosting operations are respectively carried out; the refrigerant pipeline and the press exhaust pipe respectively communicate with the exhaust pipe heat exchange device; and in the exhaust pipe heat exchange device,a refrigerant and gas in the exhaust pipe finish heat exchange. Meanwhile, the invention further provides a control method of the self-cleaning system. On the one hand, through heat exchange, the self-cleaning system and the control method thereof cool press exhausted air to protect the system stability; and meanwhile, on the other hand, the temperature of the refrigerant is increased to accelerate the defrosting speed.

The invention provides a turbine front-and-back pressure difference control type low-pressure circulating system in the technical field of mechanical design. The turbine front-and-back pressure difference control type low-pressure circulating system comprises a gas compressor, an engine, a turbine, connecting pipes, a valve seat, a valve body, a rotating shaft, a containing cavity, a fixed body, penetrating pipes, a partition board, a rotating body and a connecting board. One end of the rotating body extends into the first penetrating pipe and is in sealing contact with the wall face of the first penetrating pipe, the other end of the rotating body is fixedly combined with the partition board, the two ends of the first connecting pipe are communicated with a gas inlet of the containing cavity and a gas exhausting pipe of the turbine respectively, and the two ends of the second connecting pipe are communicated with a gas outlet of the containing cavity and a gas inlet pipe of the gas compressor respectively. When the front-and-back pressure difference of the turbine is large, the rotating body drives the valve body to rotate clockwise, the low-pressure gas exhausting recirculation rate of the engine is large, and the detonation pressure of the engine is low. The turbine front-and-back pressure difference control type low-pressure circulating system is reasonable in design, simple in structure and suitable for a low-pressure gas exhausting recirculation system of a supercharged engine.

The invention relates to manufacture of garbage incinerator, and in particular relates to a whirlwind suction garbage incinerator which has the advantage of rapidness, environmental friendliness and energy conservation. The garbage incinerator comprises a furnace structure, a chassis structure and a furnace cushion structure and is characterized in that the furnace structure is a whole furnace body which is cylindrical, a center steel tube is arranged in a hearth, and the centre steel tube is vertically installed and communicated with a chimney; the top of the hearth, the bottom of the hearthand a bent tube part are connected with an exhaust pipe which is communicated with the outside of the furnace body, the periphery of the lower part of the furnace body is provided with a plurality offans, and the inlet air pipe of each fan extends into the hearth so as to form a rotary airflow forming assembly on the chassis structure; the chassis structure part in the hearth is provided with a cavity with an upward hydraucone, the hearth of the furnace cushion structure is provided with one segment of cavity with an upward hydraucone, and two segments of cavities with downward hydraucones are positioned above; and the upper part of the furnace body is provided with at least two feed inlets. The garbage incinerator provided by the invention has the advantages of rapidness, environmental friendliness, energy conservation and lower cost.

The invention provides a mobile energy station. The mobile energy station comprises an LNG gasifier, a power generator and a gasifier heating liquid-bath box, wherein the LNG gasifier is connected with the power generator through a gas exhaust pipe; the LNG gasifier is at least partially immersed in the gasifier heating liquid-bath box in which a cooling liquid is accommodated. The mobile energy station further comprises an LNG storage tank connected with the LNG gasifier, wherein a liquid nitrogen storage tank used for exchanging heat with LNG stored in the LNG storage tank to cool the LNG is arranged in the LNG storage tank; and the liquid nitrogen storage tank is provided with a nitrogen charging pipe. The invention further provides an energy utilization method for the mobile energy station. According to the invention, methane emission can be at least replaced with liquid nitrogen emission so that the safety and environmental protection property are enhanced.

A subminiature neutron tube A subminiature neutron tube comprise an electrode, an exhaust pipe, a copper head, an upper mask, a hydrogen isotope storage device, a ground post, a cathode, a magnet steel, an anode, an electronic shaping re, a high-voltage resistant sectional insulation sealing shell I, an accelerator barrel, a target, a lower mask, an anode cover, a high-voltage resistant sectionalinsulation sealing shell II, and a high-voltage resistant sectional insulation sealing shell III; The diameter of the subminiature neutron tube proposed by the invention can be controlled within the range of 15-20 mm, the diameter of the neutron tube can be reduced effectively, and the neutron generator with small diameter can be designed and manufactured conveniently, which meets the requirementsof petroleum logging, dangerous goods detection and medical application. And by reducing the complexity of the neutron tube design, reduce the cost, optimize the integration of various components, improve the finished product rate, reduce the production cost of the product.

The invention discloses an online wet and hot water vapor recovery device for electroplating treatment. The recovery devicecomprises a box body (2), an air inlet (6) and an air outlet (1) are formed in the box body, the box body is installed on a vertical section of a branch exhaust pipe of an air draft system on the side of a hot water washing tank of an electroplating production line through the air inlet and the air outlet, a rotating shaft (4) is vertically installed in the box body, an impeller (3) is installed on the rotating shaft through a bearing, the surface of the impeller is covered with a hydrophilic adsorption material, the whole impeller is arranged in an umbrella shape in the vertical direction, a hot water collecting and storing device (5) is arranged under the impeller, and the hot water collecting and storing device is communicated with the hot water washing tank (7) through a water conveying guide pipe. Water and heat in wet and hot water vapor are recycled, so that the production and operation cost of electroplating treatment is reduced, and meanwhile, the problem that due to the wet and hot water vapor, leakage and venting of a follow-up waste gas exhaust pipeline are increased is effectively solved.

The invention provides a roller type high-efficiency dryer for processing food. The roller type high-efficiency dryer comprises a roller, a support, a driving mechanism and a controller, wherein the roller is transversely arranged; the support is arranged below the roller and is used for supporting the roller; a material inlet/outlet and a liquid draining outlet are formed in the side wall of the roller; an exhaust pipe is arranged on the axis in the roller; one end of the exhaust pipe is connected with the roller; the other end of the exhaust pipe is suspended; a plurality of exhaust holes are uniformly formed in the surface of the exhaust pipe; the exhaust pipe is communicated with an induced draft fan arranged outside the roller through a pipeline. According to the roller type high-efficiency dryer for processing the food, provided by the invention, heated air can enter the roller through the exhaust holes for heating the food from inside to the outside, so that manual turning of the food is avoided, and labor intensity is reduced; in addition, temperature difference between an upper layer and a lower layer is small, the drying quality of the food is improved, energy is saved, and the production efficiency is improved.

The invention provides an auto exhaust pipe with a function of internal cooling based on an airflow effect. The auto exhaust pipe is characterized in that an airflow effect pipe is added on the auto exhaust pipe; outside cold air is sucked into the auto exhaust pipe through the airflow effect pipe and mixed with high-temperature engine exhaust, so that the engine exhaust in the auto exhaust pipe can be cooled, the energy and flow rate of the engine exhaust can be reduced, and the purpose of reducing noise of the engine exhaust can be fulfilled; through additional arrangement of an appropriate silencing bags, a very good silencing effect can be achieved; due to the cooling function of the airflow effect pipe, the energy of the engine exhaust is greatly reduced; and accordingly, the sizes of the silencing bags can be very small, that is, not only the manufacturing cost but also the weight and back pressure of the auto exhaust pipe can be reduced, and the oil consumption of an auto engine can be lowered.

The invention discloses a multilevel fungus culture cabinet .The multilevel fungus culture cabinet comprises a table cabinet body and is characterized in that the cabinet body is provided with a cabinet door, a plurality of layers of fungus culture trays are arranged in the cabinet body, an exhaust pipe is arranged on the top of the cabinet body, a plurality of liquid spray pipes are arranged on the top in the cabinet body, and a plurality of temperature controllers are arranged in the cabinet body; air inlet pipes are arranged between the multiple layers of fungus culture trays in the cabinet body, liquid draining pipes are arranged on the bottoms of the fungus culture trays, and a plurality of liquid spray openings are formed in the bottoms of the liquid spray pipes; a storage battery and a control circuit board are arranged on the bottom of the cabinet body, the storage battery is connected with the control circuit board, and the control circuit board is connected with the temperature controllers .The whole multilevel fungus culture cabinet effectively carries out differentiation treatment through the layers, symbiotic mutual-beneficial culture can be carried out for different fungi, and the purposes of saving energy and protecting the environment are achieved while cost is reduced.

An exhaust gas discharge inducing apparatus installed at the end of an exhaust pipe of a vehicle. The exhaust gas discharge apparatus includes: two or more driving wind intake sets installed at a lower part of a vehicle to collect a driving wind generated during running of a vehicle and guiding the collected driving wind into an induction cover of the discharge inducing device mounted onto the end portion of an exhaust pipe through a driving wind passage pipe; and a discharge inducing device includes an exhaust gas passage pipe, a driving wind connection passage, and an induction cover. The exhaust gas passage pipe is connected to the exhaust pipe, and includes a plurality of exhaust gas outlets disposed at the end portion thereof.

The invention discloses rapid cooling equipment for ceramic tiles. The rapid cooling equipment for the ceramic tiles structurally comprises a base, an exhaust fan, a cooling bin and an exhaust pipe, wherein the top face of the base is connected with the bottom face of the exhaust fan in a welded mode; and the top face of the exhaust fan is embedded into the cooling bin. According to the rapid cooling equipment for the ceramic tiles provided by the invention, when an air flow is pumped in, the airflow is first pressurized and concentrated through a concentrator tube, and pumped in at a high pressure and speed, and the airflow enters an upper conveying pipe and then is output to the cooling bin so as to cool ceramic; if the pumped air contains a large amount of suspended fine sand, the suspended fine sand in the airflow can be fully filtered and absorbed by fully contacting and guiding the airflow with filter handles on multiple sand filtering structures in the process that the airflow passes through the upper conveying pipe, so that the occurrence of the phenomenon that the suspended fine sand is directly blown into the ceramic which is not completely solidified to cause the reduction of the quality of the ceramic is avoided; and meanwhile, the sand filtering structures are made to rotate and vibrate through airflow flowing, sand adhering to the sand filtering structures can be automatically shaken off, so that the convenience in cleaning is achieved.