49results about How to "Guaranteed gas supply" patented technology

The invention discloses an organic garbage continuous drying device, comprising a drying room which is provided with a feeding port at the upper part and a discharge port at the lower part, an odor treatment device, and a stirring device used on a stirring machine for pushing materials to move, wherein the odor treatment device comprises an exhaust fan, an odor purifying device and an odor collecting pipe; an exhaust port of the exhaust fan is connected with the odor purifying device, and an admission port of the exhaust fan is connected with an odor gas outlet positioned at the top end of the drying room through a pipeline; the stirring device comprises two or more spiral stirring shafts horizontally arranged in the drying room in parallel, and a motor arranged at the outer side of the drying room; an output shaft of the motor is coaxially connected with one spiral stirring shaft, and is connected with other spiral stirring shafts through transmission pairs enabling adjacent spiral stirring shafts to rotate along different directions; and diversion separator plates are arranged among the spiral stirring shafts in parallel in a separated manner. The device is simple in system structure, large in garbage treating quantity and good in drying effect; and meanwhile secondary pollution to the environment is avoided.

The invention provides a burner module and a gas stove. The burner module comprises a burner, an outer burner cap and a gas distributing disc, wherein the burner is of an integral structure formed by aluminum alloy through pressure casting, the outer burner cap is located at the upper portion of the burner and connected with the gas outlet end of the burner, and the gas distributing disc is located between the burner and the outer burner cap. The burner is of the integral structure formed by the aluminum alloy through pressure casting, so that the manufactured burner is free of splicing, seamless, good in sealing performance, simple in processing and low in cost. In addition, due to the fact that an aluminum alloy material is light, the manufactured burner is light in weight, and an aluminum alloy pressure casting process is relatively little in environmental pollution.

The invention discloses a portable engineering surveying and mapping device for geological mineral exploration. The device comprises a fixed disc and a base, the center of the top of the fixed disc is in bolting connection with a rotating shaft through a bearing, the top of the rotating shaft is in bolting connection with a placement rack, and an inner cavity of the placement rack is provided with a rapid dismounting mechanism. And a surveying instrument is clamped to the inner side of the rapid dismounting mechanism, and a storage cylinder is bolted to the bottom of the fixed disc. Through cooperation of the fixed clamping base, the clamping groove, the sliding rod, a handle, a limiting spring, a movable clamping base and a clamping block, a user can conveniently and rapidly disassemble the surveying instrument, the surveying instrument disassembling time of the user is shortened, and the surveying instrument has an auxiliary portable effect on the user; through cooperation of a sliding column, a sliding sleeve, a threaded cylinder, a small servo motor, a driving gear, a driven gear and a lead screw, the lifting column and the base can be stored and reset, the overall length of the storage cylinder is shortened, and a user can conveniently carry the shortened storage cylinder.

The invention discloses an uninterrupted gas supply device which comprises a first gas delivery manifold, a first pneumatic valve, a second gas delivery manifold and a second pneumatic valve. One endof the first gas delivery manifold is communicated with a main gas supply source while the other end of the same is communicated with a gas output pipeline or a gas output port, the first pneumatic valve is arranged on the first gas delivery manifold and is a normally-closed valve, one end of the second gas delivery manifold is communicated with a standby gas source while the other end of the sameis communicated with the gas output pipeline or the gas output port, and the second pneumatic valve is arranged on the second gas delivery manifold and is a normally-open valve. The main gas supply source and the standby gas source are serially connected to be switched mutually in a full-automatic manner within 0.5-1s, so that continuous gas use of gas using units is ensured.

The invention discloses a connection method and device of a compressed-air vehicle engine as well as a two-process boxer engine by optimizing a method and device for reducing energy consumption of vehicles. Due to the scientific connection method in combination with components with relevant functions, various technical effects of the entire compressed-air vehicle engine are obtained as follows: large-capacity storage battery is not needed, the fuel resources are widely available, sufficient combustion can be realized in ultra-rare air, the energy-saving and environment-protection function is enhanced, the output torque is large, a water cooling system is canceled, frequent air leakage is avoided, air supply is guaranteed, the safety performance is high, electronic air distribution and electronic gear shift are realized, the engine is easy to start, light and durable and has a simple structure, the problem of short continuation is avoided, and the like so that the compressed-air vehicle engine approaches to an ideal state and is more outstanding in reducing energy consumption of vehicles.

A transfer speed transmission conveyor device for a flexible material comprises a rack, a spindle rotationally arranged on the rack, a motor connected with and driving the spindle to rotate, a rotary frame fixedly arranged on the spindle, a plane cam fixedly arranged on the rack, a cylinder cam fixedly arranged on the rack, a plurality of adsorption transfer mechanisms circumferentially respectively arranged on the rotary frame, and a rotary negative pressure mechanism connected with each group of adsorption transfer mechanism by a hose. Each adsorption transfer mechanism comprises a rotary drum rotationally arranged on the rotary frame, a swing arm connected between the rotary drum and the cylinder cam for driving the rotary drum to rotate, a lifting rod only movably sleeved in the rotary drum along the axial direction of the rotary drum, a negative pressure adsorption block arranged on the lifting rod, an air supplying lantern ring rotationally sleeving the neck part of the negative pressure adsorption block, a linear guide rail fixedly arranged on the air supplying lantern ring and radially extending along the spindle, a cam bearing arranged on the linear guide rail to be matched with a trail slot of the plane cam and a guide slider arranged on the rotary frame to be glidingly matched with the linear guide rail. The transfer speed transmission conveyor device for the flexible material has the advantages of simple structure, stable action, low cost and the like.

The invention provides a piston type air compressor. The piston type air compressor comprises a main shaft, a drive component, an eccentric wheel and a plurality of piston assemblies. The main shaft is driven by the drive component to rotate around the axis. The main shaft is sleeved with the eccentric wheel, and the axis of the eccentric wheel is parallel to the axis of the main shaft. The multiple piston assemblies are arranged around the circumferential direction of the main shaft. Each piston assembly comprises a cylinder, a piston and a connecting rod, wherein the two ends of the cylinderare provided with an air inlet and an air outlet correspondingly, the piston is arranged in the cylinder, one end of the connecting rod is connected with the piston, the other end of the connecting rod is connected with the eccentric wheel, and when the eccentric wheel rotates, the connecting rod drives the piston to reciprocate in the cylinder. According to the piston type air compressor, through the arrangement of the multiple pistons, the multiple cylinders alternately generate compressed gas, the effective air inflow and air outflow area of the piston type air compressor is increased, constant air supply is ensured, the air supply pressure is stable, and the performance is greatly improved.

The invention relates to cable chain belt type digging carrying ventilating massage sending combination mining machine. Its main equipment is concave slice link line linearity. Its cross section is far less than common digging machine. The freight volume with 4km / h slow speed can exceed megaton per year. The supporting is also used as main air supplying pipeline or pouring water to prevent fire and the drainage machine is saved. The steel chains could also use to uncut communication channel or constant speed transferring power, or used as track to prevent tank do harm to the road.

The invention relates to the field of energy conservation and emission reduction of an air supply system, in particular to an intelligent compressed air flow control device. The device comprises an intelligent control instrument, an upstream pressure sensor, a downstream pressure sensor, a valve positioner, a pneumatic operation mechanism and a linear pneumatic regulating valve, wherein the intelligent control instrument receives signals from the upstream pressure sensor and the downstream pressure sensor, takes an upstream pressure signal as a pressure display and fault judgment basis, compares a downstream pressure signal with a given target pressure signal, and outputs an appropriate pressure signal according to a comparison result to control the valve positioner, and the pneumatic operation mechanism further controls the opening of the linear pneumatic regulating valve until given pressure is equal to downstream pressure, wherein the given target pressure is set on site. The device is used for realizing intelligent air supply flow control and fault judgment and alarm, and has a good energy-saving effect.

The invention discloses an on-line detection method for the flow characteristic drift amount of a fuel gas nozzle. According to the on-line detection method for the flow characteristic drift amount of the fuel gas nozzle, on the premise that parts and the cost are not increased, a warn that the flow characteristic drift amount of the fuel gas nozzle is too large is given for a user of a natural gas engine so that the safety of the using process of the engine can be ensured; the flow characteristic drift amount of the fuel gas nozzle is detected so that the user of the engine can be assisted to eliminate the fault causes; the user of the engine can be timely reminded to check and replace parts of a fuel gas supply system so that the controllability of fuel gas supply can be ensured, and the use safety of fuel gas can be ensured; and meanwhile, the detection method is executed in the engine deceleration and fuel cut-off processes so that normal operation and use of the engine cannot be influenced. The detection method has the advantages of being simple and effective.

A fuel cell automobile energy-saving air supply system belongs to the energy-saving technical field of automobiles. A hydrogen pressure sensor of that system is arrange on the pipeline between the decompression solenoid valve and the multi-purpose compressor, and an air pressure sensor is arranged on the pipeline where the multi-purpose compressor discharge compressed air; When the hydrogen pressure passing through the relief solenoid valve is insufficient to propel the multi-purpose compressor to work, or when the air outlet pressure sensor detects that the air outlet pressure is lower than the air pressure set by the PLC controller, the control system starts the multi-purpose compressor power supply system, drives the multi-purpose compressor with electric energy, compresses hydrogen andair at the same time, and ensures the gas supply of the fuel cell stack. The system is simple in structure, small in occupying space and easy to be integrated. By using the pressure energy of the high pressure hydrogen cylinder, the air compression device is pushed to pressurize the atmospheric air so as to use air in the hydrogen fuel cell stack, and the pressure energy of the hydrogen is directly converted into the pressure energy of the air, which greatly improves the energy utilization rate.

The invention discloses a distributing head on a vehicle-mounted bottle, being capable of increasing liquid inlet speed and ensuring the stable work of an engine and comprising a distributing head body. The lateral of one side of the distributing head body is provided with a tee fitting comprising an air inlet, a liquid inlet and an air and liquid delivery outlet, wherein the liquid inlet is provided with a check valve for preventing backflow. In the invention, the liquid inlet speed obtains reliable guarantee after the check valve is shifted into the distributing head, thereby ensuring the liquid supply amount for a vaporizer, also ensuring the air supply amount of the vaporizer for the engine and enabling the engine to stably and reliably work.

The invention discloses a burner and a gas cooking appliance. The burner comprises a bottom cup, a flamer and a nozzle holder. The flamer is arranged on the bottom cup. The nozzle holder is installedon the side edge of the bottom cup and is further provided with a first gas inlet channel and a second gas inlet channel. A gas outlet of the first gas inlet channel is provided with a first nozzle. Agas outlet of the second gas inlet channel is connected with an inner ring gas inlet pipe. A gas outlet of the inner ring gas inlet pipe is provided with a second nozzle. The material of the inner ring gas inlet pipe is different from that of the bottom cup. The flamer comprises an outer ring cavity and an inner ring cavity. The outer ring cavity surrounds the inner ring cavity. The bottom cup isprovided with a first ejection channel, and the first nozzle is opposite to the first ejection channel. The outer ring cavity is provided with an outer gas mixing cavity. Mixed gas of the outer gas mixing cavity is supplied by the first ejection channel. The inner ring cavity is provided with an inner gas mixing cavity and a second ejection channel, and the second ejection channel is opposite tothe second nozzle. Mixed gas of the inner gas mixing cavity is supplied by the second ejection channel.

The invention discloses an air pressure braking system of a heavy-duty truck, and mainly relates to the field of truck air pressure braking. The system comprises an air compressor, a main braking system and an auxiliary braking system; the main braking system comprises a front axle braking system, a rear axle braking system and a parking braking system. The system is characterized in that the system comprises an air processing unit APU, and the air processing unit APU is used for distributing air generated by the air compressor to the main braking system and the auxiliary braking system; a front axle air storage cavity is formed in the front axle braking system, a parking air storage cavity is formed in the parking braking system, the front axle air storage cavity and the parking air storage cavity jointly form a double-cavity air storage cylinder, a rear axle air storage cylinder is arranged in the rear axle braking system, and a plurality of three-way pipes are arranged in the auxiliary braking system; and the air processing unit APU is connected with the double-cavity air cylinder, the rear axle air cylinder and the three-way pipe. The invention has the beneficial effects that on the premise of ensuring the braking performance, the weight and the cost of an automobile can be greatly reduced, and the loading capacity of a truck is improved.

The invention discloses a fire cover. According to the scheme, flame stabilizing fire hole channels communicate with main fire hole channels and do not directly communicate with the interior of a gascavity; according to the function of the flame stabilizing fire hole channels, part of gas entering the main fire hole channels from the gas cavity can flow into the flame stabilizing fire hole channels in a dividing manner, accordingly, on one hand, the gas flow of main fire hole channel outlets can be better reduced, and accordingly the phenomenon of arcing at the main fire hole channel outlet positions is reduced; and on the other hand, during work, flames combusting at the tail ends of the flame stabilizing fire hole channels can pull flames combusting at the main fire hole channel outletpositions, accordingly, the flame stabilizing function is achieved, and the flame stabilizing fire hole channels are good in practicability. In addition, according to the function of an annular groovein the scheme, air supplementing is conveniently conducted on the left side and the right side of each flame stabilizing fire hole channel outlet, the flames at the flame stabilizing fire hole channel outlet positions are better combusted towards the two sides of the annular groove, the transverse width of the stabilized flame fire is increased, and the flames combusting at the main fire hole channel outlet positions are better pulled.

The invention relates to a hand-operated time-delay electromagnetic valve and piezoelectric ignition combined gas cooker, which is free from a power supply and can automatically prolong the ignition time by manually pressing and opening the gas gate of an electromagnetic valve; as no battery is used, the coil of the electromagnetic valve cannot be burnt out, and the failure rate is very low; an extinguishing protection function is achieved, that is, the gas gate can be closed automatically if fire is extinguished by wind or boiling and spilling water, so that no fuel gas escapes to cause safety accidents; a timing gas turn-off function is achieved, that is, the electromagnetic valve can automatically close the gas gate when the set gas turn-off time is up, so that a user doesn't need to be careful of remembering to turn off gas to prevent food from being burnt; the gas cooker is an environment-friendly gas cooker product which is simple in structure and low in cost, is generally suitable to being used as a cooker of liquefied gas, coal gas, natural gas, marsh gas or the like, and is a practical gas cooker product for families and the catering industry.

The invention provides a circular annular underground culvert pipe construction method. The method comprises the steps of preparing a reinforcement cage, preparing a plurality of culvert pipes, digging a base groove, paving a concrete base layer, paving the culvert pipes, pouring a concrete face layer and backfilling soil. By adopting the technical scheme of the construction method, the length ofthe single culvert pipe is not more than 10 meters, so that the construction process is simplified, the self-weight of each culvert pipe is reduced, and the load on the underground soil layer is reduced; the concrete base layer is connected with the underground soil layer together, so that the load pressure of the underground culvert pipes on the underground soil layer is further reduced, the probability that the underground soil layer generates settlement to damage the culvert pipes is reduced, the structures of the underground culvert pipes are kept stable, the service lives of the underground culvert pipes are prolonged, and the repair and maintenance cost of the underground culvert pipes are reduced; and in addition, every two adjacent culvert pipes are connected together through a rubber gasket ring, so that the stability of the culvert pipe structures is favorably guaranteed when the internal temperature of the underground soil layer is not balanced, and normal water supply, power supply and gas supply of to the residential life are guaranteed.

The invention discloses a full-automatic compressed air supplying system. The full-automatic compressed air supplying system comprises an air compressor, a filter, a dryer and two air storage tanks which are mutually connected in series through air pipes, and further comprises two pressure transmitters and a controller, wherein the two pressure transmitters are installed on the two air storage tans respectively, and the two pressure transmitters and the air compressors are connected with the controller correspondingly. The invention further discloses a control method for the full-automatic compressed air supplying system. Firstly, whether the air pressure of the two air storage tanks reaches the upper limit is judged; then, whether there is a need for normal sewage discharging is judged; and finally, under the conditions that the air pressure of the two air storage tanks reaches the upper limit and the normal sewage discharging work is completed, the air compressor is stopped. By meansof the full-automatic compressed air supplying system and the control method thereof, a more sufficient air source can be provided during power failure or when the air compressor fails temporality, the air pressure of the air storage tanks and the air compressor can be monitored any time when there is electricity, it is ensured that the two air storage tanks are full of high-pressure air anytime,and automatic control is completely realized.

The invention relates to a gas roots type flow meter with functions of alarm and bypass. The flow meter comprises a differential pressure base, a signal trigger mechanism and a flow meter body, wherein two ends of a cut-through channel are respectively provided with a waist wheel, the differential pressure base is communicated with an air inlet end through a conduit, the differential pressure base is internally provided with an elastic leather membrane, the differential pressure base is connected with a universal driving shaft fixed with the leather membrane, the universal driving shaft is hinged with an elastic pinch plate of which one end is provided with a hook angle, the cut-through channel is internally provided with a valve seat, a valve rod is arranged on the valve seat, a restoring spring is connected between the valve rod and the valve seat, a valve clack is fixedly arranged on the valve rod, the valve clack is connected with a hook angle of the elastic pinch plate in a clamping way, the signal trigger mechanism comprises a magnetic steel support column, and the magnetic steel support column leans against one end of the valve rod which is far away from the valve clack. The gas roots type flow meter has the benefit effects that 1. after the flow meter has fault, a bypass device starts, and gas directly passes through the cut-through channel, so that the gas supply of upstream gas equipment can be guaranteed within a short time; and 2. the valve rod is separated from the magnetic steel support column, so that the signal trigger mechanism transmits a signal so as to promote workers to maintain the flow meter.

The invention relates to the field of fire fighting breathing equipment, and discloses a positive pressure type air respirator for fire fighting. The positive pressure type air respirator comprises apressure reducer body, wherein a high-pressure chamber, a ventilation groove and a low-pressure chamber are formed in the pressure reducer body, the high-pressure chamber and the low-pressure chamberare communicated through the ventilation groove, and a guide-in groove communicated with the high-pressure chamber is formed in the pressure reducer body. According to the positive pressure type air respirator for fire fighting, through the structural design of a positioning cylinder pipe and an elastic rubber film in the low-pressure chamber, the positioning cylinder pipe communicates with a pressure adjusting pipe on one side of the high-pressure chamber, when the oxygen pressure intensity of an oxygen bottle in the vertical high-pressure chamber is not stable, high-pressure oxygen flows into the positioning cylinder pipe, the elastic rubber film is bounced downwards, a valve rod and a valve element are driven to move downwards, the pressure intensity in the low-pressure chamber is reduced, the balance state is recovered, and therefore the problem that when oxygen in the high-pressure chamber is increased, exhausting and pressure relief are carried out, and oxygen waste is caused issolved, and the service life of the air respirator is prolonged.

The invention relates to the technical field of non-woven fabric cleaning equipment, and discloses a hairbrush drag reduction device for non-woven fabric cleaning. The hairbrush drag reduction devicecomprises a cleaning box; a first cleaning roller comprises a first rotating rod, a first helical gear and through holes; a spring is arranged in the first cleaning roller; a soft magnetic strip is connected with the outer side end of the spring; an elastic layer is connected with the outer side of the soft magnetic strip; bristles penetrating through the through holes are connected to the outer side of the elastic layer, and an arc magnet corresponding to the soft magnetic strip is arranged at the upper end of a fixed base. The arc-shaped magnet corresponding to the soft magnetic strip is arranged at the upper end of the fixed seat, and the magnetic pole magnetism of the arc-shaped magnet is the same as the magnetic pole direction of the soft magnetic strip on the opposite side, so that it is guaranteed that the arc-shaped magnet extrudes the soft magnetic strip to move upwards, and the soft magnetic strip drives the bristles to shrink into the first cleaning roller through the elastic layer; by means of the structure, resistance of the bristles to water is reduced, and therefore the problems that an existing non-woven fabric cleaning device is large in rotation resistance of theroller and wastes redundant electric power are solved.

The invention relates to a gas roots type flow meter with functions of alarm and bypass. The flow meter comprises a differential pressure base, a signal trigger mechanism and a flow meter body, wherein two ends of a cut-through channel are respectively provided with a waist wheel, the differential pressure base is communicated with an air inlet end through a conduit, the differential pressure base is internally provided with an elastic leather membrane, the differential pressure base is connected with a universal driving shaft fixed with the leather membrane, the universal driving shaft is hinged with an elastic pinch plate of which one end is provided with a hook angle, the cut-through channel is internally provided with a valve seat, a valve rod is arranged on the valve seat, a restoring spring is connected between the valve rod and the valve seat, a valve clack is fixedly arranged on the valve rod, the valve clack is connected with a hook angle of the elastic pinch plate in a clamping way, the signal trigger mechanism comprises a magnetic steel support column, and the magnetic steel support column leans against one end of the valve rod which is far away from the valve clack. The gas roots type flow meter has the benefit effects that 1. after the flow meter has fault, a bypass device starts, and gas directly passes through the cut-through channel, so that the gas supply of upstream gas equipment can be guaranteed within a short time; and 2. the valve rod is separated from the magnetic steel support column, so that the signal trigger mechanism transmits a signal so as to promote workers to maintain the flow meter.

The invention relates to the field of fire-fighting breathing equipment, and discloses a positive-pressure air respirator for fire-fighting. The chamber and the low-pressure chamber are connected through a ventilation groove, and an introduction groove communicated with the high-pressure chamber is opened on the body of the pressure reducer. The positive pressure air respirator for fire fighting is designed through the structural design of the positioning bobbin and the elastic rubber membrane in the low-pressure chamber, and makes the positioning bobbin connected to the pressure regulating tube on the side of the high-pressure chamber. When the oxygen cylinder is placed vertically in the high-pressure chamber Oxygen pressure is unstable, and high-pressure oxygen flows into the positioning barrel, causing the elastic rubber film to bounce downwards, and drive the valve stem and valve core to move down, so that the pressure in the low-pressure chamber is reduced and the state of balance is restored. When the oxygen in the high-pressure chamber increases, exhaust and pressure relief is performed, which causes the problem of oxygen waste and prolongs the service life of the air respirator.

The invention relates to the technical field of fans, and discloses a high-efficiency gas supply device for a gas boiler. The high-efficiency gas supply device comprises a casing, an accelerating assembly and a cleaning assembly, wherein an accelerating cavity and a containing cavity are formed in the casing; the accelerating cavity communicates with the containing cavity; the accelerating assembly is rotationally arranged in the accelerating cavity; the cleaning assembly is movably arranged between the accelerating cavity and the containing cavity; and an air inlet, a first air outlet and a second air outlet communicating with the accelerating cavity are further formed in the casing, wherein valves are arranged in the first air outlet and the second air outlet respectively. When the device is in a shutdown cleaning state, the first air outlet is closed, the second air outlet is opened, the cleaning assembly moves from the containing cavity into the accelerating cavity, and the cleaning assembly cleans the accelerating assembly; and when the device is in a pollution discharge state, the first air outlet is closed, the second air outlet is opened, the cleaning assembly moves into the containing cavity again, and the accelerating assembly sends residual accumulated ash in the accelerating cavity out of the second air outlet through air flow, so that the purpose of quick ash removing is achieved.

The invention discloses a burner and a gas cooking appliance. The burner comprises a bottom cup, a flamer and a nozzle holder. The flamer is arranged on the bottom cup. The nozzle holder is installedon the side edge of the bottom cup and is further provided with a first gas inlet channel and a second gas inlet channel. A gas outlet of the first gas inlet channel is provided with a first nozzle. Agas outlet of the second gas inlet channel is connected with an inner ring gas inlet pipe. A gas outlet of the inner ring gas inlet pipe is provided with a second nozzle. The material of the inner ring gas inlet pipe is different from that of the bottom cup. The flamer comprises an outer ring cavity and an inner ring cavity. The outer ring cavity surrounds the inner ring cavity. The bottom cup isprovided with a first ejection channel, and the first nozzle is opposite to the first ejection channel. The outer ring cavity is provided with an outer gas mixing cavity. Mixed gas of the outer gas mixing cavity is supplied by the first ejection channel. The inner ring cavity is provided with an inner gas mixing cavity and a second ejection channel, and the second ejection channel is opposite tothe second nozzle. Mixed gas of the inner gas mixing cavity is supplied by the second ejection channel.

The invention provides an emergency gas supply system for a high-purity ammonia tank car. The system comprises a gas supply tank car and a spare tank car; a first heater, a first water tank as well asa first spiral heating coil water outlet pipe and a first spiral heating coil water inlet pipe which are located inside the gas supply tank car are arranged on the gas supply tank car; a second heater, a second water tank as well as a second spiral heating coil water outlet pipe and a second spiral heating coil water inlet pipe which are located inside the spare tank car are arranged on the sparetank car; the first heating coil water inlet pipe communicates with the second heater through a water inlet pipeline; and the first heating coil water outlet pipe communicates with the second heaterthrough a water outlet pipeline. In case of emergencies such as failure of the first heater and the like, the second heater of the spare tank car is directly switched and used for heating the gas supply tank car, normal gas supply is guaranteed, the switching process is simple and stable during actual operation, and normal gas supply is not affected.

The invention discloses a biogas pool with a temperature increase and retention function. The biogas pool comprises a pool body, a stirring shaft, a heat retention sleeve, a temperature sensor and a heating coil; an air duct, a motor and a feeding channel are sequentially arranged at the upper end of the pool body; a filter layer is arranged at the bottommost end of the air duct, and the air duct is further provided with an exhaust fan; the motor is connected with the stirring shaft in a driving manner, the stirring shaft is arranged in the pool body, and a stirring paddle is arranged on the stirring shaft; the heat retention sleeve is arranged in the pool body, an unfreezing sleeve is further arranged outside the heat retention sleeve, and the hot-water inlet of the unfreezing sleeve is located on the upper right side of the pool body; the temperature sensor is further arranged on the right inner side of the pool body and is electrically connected with a temperature alarm arranged outside the pool body, and a display screen used for displaying the temperature is arranged on the temperature alarm. By the arrangement, insufficient reaction is avoided, normal gas supply is guaranteed, leakage is prevented, integral strength is enhanced, service life is prolonged, temperature control effect is good, temperature adjusting speed is high and efficient, and the biogas pool is environment friendly and free of pollution.

The invention discloses an organic garbage continuous drying device, comprising a drying room which is provided with a feeding port at the upper part and a discharge port at the lower part, an odor treatment device, and a stirring device used on a stirring machine for pushing materials to move, wherein the odor treatment device comprises an exhaust fan, an odor purifying device and an odor collecting pipe; an exhaust port of the exhaust fan is connected with the odor purifying device, and an admission port of the exhaust fan is connected with an odor gas outlet positioned at the top end of the drying room through a pipeline; the stirring device comprises two or more spiral stirring shafts horizontally arranged in the drying room in parallel, and a motor arranged at the outer side of the drying room; an output shaft of the motor is coaxially connected with one spiral stirring shaft, and is connected with other spiral stirring shafts through transmission pairs enabling adjacent spiral stirring shafts to rotate along different directions; and diversion separator plates are arranged among the spiral stirring shafts in parallel in a separated manner. The device is simple in system structure, large in garbage treating quantity and good in drying effect; and meanwhile secondary pollution to the environment is avoided.