16 results about "Gas induction" patented technology

The utility model relates to the technical field of waste gas treatment, and discloses a formaldehyde production waste gas treatment device which comprises an absorption device and further comprises a discharge mechanism, a reaction device and a control device, the side face of the absorption device is fixedly connected with the inner side of the reaction device, and the bottom end of the absorption device is fixedly connected with the top end of the control device. The top end of the discharging mechanism is fixedly connected with the side face of the absorption device, the bottom end of the reaction device is fixedly connected with the top end of the control device, the absorption device comprises a water storage pump and a water conveying pipe, and the top end of the water conveying pipe is fixedly connected with a connecting pipe; the spraying tank and the nozzle are arranged, so that the liquid absorbent can be in full contact with the formaldehyde waste gas, the removal efficiency is improved, the absorbent can be recycled, waste generation is reduced, and certain economic benefits are achieved; by arranging the harmful gas sensor and the water quality sensor, the concentration of discharged gas can be monitored in real time, the system can give an alarm immediately, and therefore measures can be taken in time.

The application discloses a high-protection-grade industrial floor drain device, which comprises a floor drain body, a sewer pipe, a first adsorption assembly, a first sealing assembly, a sensing assembly and a control and warning assembly. The first adsorption assembly is arranged in the sewer pipe. The first sealing assembly comprises a sealing piece and a floor drain sealing liquid. The floor drain sealing liquid is arranged in a containing space of the floor drain body. The sewer pipe is communicated with the containing space and leaks into the floor drain sealing liquid. The sealing piece is located in the containing space and covers the outside of the sewer pipe. The open end of the sealing piece extends into the floor drain sealing liquid. The sensing assembly comprises a liquid level sensing piece and a gas sensing piece. The liquid level sensing piece is used for monitoring the liquid level. The gas sensing piece is used for monitoring the leakage gas. The control and warning assembly is electrically connected with the liquid level sensing piece and the gas sensing piece. When a small amount of leakage occurs, the application can isolate the backflow of contaminated wastewater and toxic and harmful gas, so as to avoid the pollution of the external environment. When a large amount of leakage occurs, the application can warn the relevant personnel to perform emergency treatment, so as to avoid greater safety risks.

The utility model provides a tetrasodium glutamate diacetate processing reaction device which comprises a reaction assembly, a monitoring assembly arranged at the upper end of the reaction assembly, a protection assembly arranged on the reaction assembly, a spraying assembly arranged in the protection assembly, a reaction assembly comprising a reaction kettle, and a sealing cover mounted at the upper end of the reaction kettle, a side supporting rod is fixedly connected to the right side of the reaction kettle, a motor is fixedly connected to the lower end of the horizontal plane of the side supporting rod, a monitoring assembly and a limiting hollow ring are arranged to be matched with an output shaft of the motor, an annular linkage rod and a gas sensor are driven to annularly monitor the connecting position of the reaction kettle and a sealing cover, and gas leakage signals can be comprehensively captured in real time; early warning is conducted in time at the initial stage of leakage, operators can take measures rapidly and conveniently, by arranging the protection assembly, positive pressure airflow formed by the fresh air purification pipe and the arc-shaped cover body can restrain diffusion of harmful gas during normal operation, and workshop environment safety is guaranteed.

The clearance control system and the air entraining device are used for meeting different cooling air requirements of a high-pressure turbine active clearance control system and a low-pressure turbine active clearance control system. The air entraining device is used for entraining air from the outer duct and comprises an air entraining pipe and a partition plate; the air entraining pipe comprises a wall body, and an air entraining channel is enclosed by the wall body; the partition plate is located in the air entraining pipe and evenly divides the air entraining channel into a low-pressure air entraining channel and a high-pressure air entraining channel, the low-pressure air entraining channel is used for entraining air to a low-pressure turbine case, and the high-pressure air entraining channel is used for entraining air to a high-pressure turbine case; the partition plate can rotate so that the circulation sectional area of an inlet of the low-pressure air entraining channel can be different from the circulation sectional area of an inlet of the high-pressure air entraining channel.

The clearance control system and the air entraining device are used for meeting different cooling air requirements of a high-pressure turbine active clearance control system and a low-pressure turbine active clearance control system. The air entraining device is used for entraining air from the outer duct and comprises an air entraining pipe and a partition plate; the air entraining pipe comprises a wall body, and an air entraining channel is enclosed by the wall body; the partition plate is located in the air entraining pipe and divides the air entraining channel into a low-pressure air entraining channel and a high-pressure air entraining channel, the low-pressure air entraining channel is used for entraining air to a low-pressure turbine case, and the high-pressure air entraining channel is used for entraining air to a high-pressure turbine case. The circulation sectional area of the low-pressure air entraining channel is larger than that of the high-pressure air entraining channel.

The utility model discloses a vehicle gas detection system and a vehicle, the vehicle gas detection system comprises a storage battery, a gas sensing unit and a digital potentiometer, the storage battery is carried in a front cover of the vehicle; the gas sensing unit is electrically connected with the storage battery and used for detecting the content of poisonous gas in the vehicle front cover. The digital potentiometer is electrically connected with the gas sensing unit and is configured to be capable of receiving and displaying toxic gas content data detected by the gas sensing unit; the microcontroller is electrically connected with the digital potentiometer and the alarm module, and the microcontroller can read the toxic gas content data received by the digital potentiometer and control the alarm module to give an alarm or stop giving an alarm. The gas sensing unit detects the content of poisonous gas in the front cover of the vehicle in real time, the content is displayed through the digital potentiometer, and the concentration condition of the poisonous gas in the front cover of the vehicle can be visually obtained; the microcontroller can control the alarm module to give an alarm so as to remind a driver in time, and the driving safety can be improved.

The pouch-type secondary battery disclosed in the present specification comprises: an electrode assembly; an exterior material; and a lead assembly. The lead assembly comprises: an electrode lead; an adhesive film disposed on the electrode lead; a gas-guiding film covering at least a portion of the adhesive film and including a permeable portion disposed outward of the exterior material relative to the sealing portion, and including one or more gas flow paths extending from the permeable portion toward the accommodation portion through the sealing portion; and a lead film disposed between the adhesive film and the exterior material and in contact with the exterior material. In addition, the sealing portion has an openable / closable portion in which the gas flow path is located and which can be opened and closed in accordance with an increase in internal pressure, and has a closed portion in which the gas-guiding film is not disposed, wherein a step difference ratio (△T) between the closed portion and the openable / closable portion is 2.00% to 7.00%.

The thermal runaway diffusion prevention device for an electric vehicle battery of the present invention comprises: a battery pack (100) mounted on an electric vehicle, wherein multiple battery modules (120) are arranged on the left and right sides, an exhaust hole is provided on one side of an upper cover (150), a fire extinguishing water hole (131) is provided on the outer side of each lower cover (130), and a fire detection sensor (600) is installed for each module; a battery pack fire extinguishing device that connects fire extinguishing water automatic opening / closing nozzles (510) arranged in a fire extinguishing water supply pipe (500) branched from a cooling water circulation pipe (430) to supply cooling water from a cooling water tank (400) to the fire extinguishing water holes of each lower cover (130) to allow the cooling water to be used as fire extinguishing water; a connecting pipe (200) installed connected to the outer side of the fire extinguishing water hole of the battery module (120); and a gas guiding discharge pipe (230) connected to the connecting pipe (200) of the battery module (120) to guide and discharge fire and gas to the outside. It is characterized by being composed of: a fire extinguishing capsule mixing device (250) installed at the rear end of a gas induction discharge pipe (230) to mix fire extinguishing liquid when fire and gas pass through; a gas discharge port (260) installed at the rear of the fire extinguishing capsule mixing device (250) to be exposed from inside the vehicle body to the outside and then returned to its original position; and a control system (610) that receives a signal from a fire detection sensor (600) and controls the supply to the cooling water circulation pipe (430) and the fire extinguishing water supply pipe (500) and the operation of the circulation pump (410).

The utility model relates to the technical field of recycling devices, and discloses a wet-process lithium battery waste gas automatic recycling device which comprises a spraying tower body, an electromagnetic air valve is installed on the right side of the spraying tower body, a switch motor is installed at the top of the electromagnetic air valve, and a gas sensing switch is installed at the top end in the electromagnetic air valve. A sealing valve is mounted in the electromagnetic air valve, and a main controller is mounted on the right side of the spraying tower body. The induction starting structure is arranged, during use, waste gas enters the electromagnetic air valve, after the gas induction switch in the electromagnetic air valve induces gas, a signal is transmitted to the main controller on the right side of the spraying tower body, and the switch motor, the water suction pump and other equipment are started through the main controller; a sealing valve in the electromagnetic air valve is opened through the switch motor, and waste gas enters the spraying tower body, so that the induction starting function is realized.

Plasma energy equipment is used to solve the problem of exhaust gas emissions inside conventional processing facilities. [Solution] The furnace body includes a heating module and a gas induction device, the furnace body having an internal processing space and a gas collection passage, the heating module being installed in the furnace body, and the gas induction device being installed in the internal processing space, further including a first tube and a second tube, each having a hollow space inside and a plurality of first through holes and a plurality of second through holes, the first tube being fitted into the second tube, and gas being able to flow from the internal processing space through the plurality of first through holes, the plurality of second through holes, the space inside the first tube and the space inside the second tube, and further to the gas collection passage. This allows exhaust gas from inside the furnace body to be effectively discharged.

The application discloses a high-pressure gas injection device of an energy storage test system, which comprises a gas tank fixing seat, a gas tank is arranged in the gas tank fixing seat, a threaded groove is arranged at the tank opening of the gas tank, a sealing plate is movably arranged between the threaded groove and the gas tank, a threaded pipe extends into the threaded groove and pushes the sealing plate inward, a sealing groove is arranged on the outer side of the threaded groove, a sealing gasket for the sealing groove is sleeved on the threaded pipe, and a first electromagnetic pulse valve is arranged in the threaded pipe. The high-pressure gas injection device of the energy storage test system is designed with one row of air guide wheels arranged in the upper and lower positions, air flow pushes the air baffle during the injection process, so that the air guide wheels rotate, when the communication flow channel moves to the horizontal position, the two ends are respectively connected to the air inlet hole and the air outlet hole, so that part of the cold air in the injection flow channel is injected into the side position of the energy storage box through the air outlet hole, different working conditions are met, and better use prospect is brought.

Provided is a heat-generating device that is capable of reducing a temperature difference between an inner peripheral part and an outer peripheral part of a heating element. A heat-generating device 3 comprises: a heat-generating body 14 in which a plate-form member configured from a multilayer film that generates heat through occlusion and release of hydrogen is annularly formed; a sealed container 5 for storing the heat-generating body 14; an introduction line for introducing a hydrogen-containing gas into the sealed container 5; a lead-out line for leading out the gas that was supplied for heat generation in the heat-generating body 14 by occlusion and release of hydrogen in the heat-generating body 14; an induction coil 15 formed by winding a linear electroconductive member around a central axis of the heat-generating body 14 on the outer periphery of the sealed container 5; and a power supply 19 for applying an AC current to the induction coil 15. The power supply 19 can change the frequency of the AC current.

The utility model belongs to the technical field of fire extinguishing equipment, and particularly relates to a fire-fighting detection gas fire extinguishing device which comprises a gas storage tank, and a discharge pipe is mounted in the center of the bottom end of the gas storage tank. The fire source monitor carries out thermal imaging on open fire, data are transmitted to the control center data evaluation module for evaluation, if the data accord with the data set in the data evaluation module, the data evaluation module will send out an electric signal, the telescopic rod relieves closing of the connecting pipe installed at the bottom end of the gas tank, and fire extinguishing is carried out. When some fire disasters are formed, dense smoke is generated at first, the gas sensing device can sense the smoke and transmit data to the data evaluation module, and if fire extinguishing conditions are met, the data evaluation module sends signals to the telescopic rod and the early warning lamp again, so that the alarm is triggered to give an alarm and help information is sent to a nearby fire station. And through dual monitoring of the fire source monitoring device and the gas sensing device, fire disasters can be effectively prevented, and the safety performance is improved.

This application provides a pre-gas supply control method, circuit, and plasma cutting machine. The control method includes: a main control module sending a gas control signal to a gas valve control module in response to a cutting torch test signal; the gas valve control module supplying test gas to the cutting torch at a first moment in response to the gas control signal; a gas sensing device sending a gas feedback signal to the main control module at a second moment upon sensing the test gas; and the main control module setting a target pre-gas supply time for the plasma cutting machine based on the time interval between the first and second moments. This control method can help form a stable plasma arc, improving the arc ignition success rate and cutting quality of the plasma cutting machine.

The utility model belongs to the technical field of air tightness leak detection, and particularly relates to an air tightness leak detection device, which comprises a workbench, a lower mold used for placing a medical injection molding part is arranged on the workbench, an upper mold is arranged above the lower mold, and a driving mechanism used for driving the lower mold to move on the workbench is arranged on one side of the lower mold. A lifting mechanism used for driving the upper mold to ascend and descend is arranged at the top of the upper mold, a gas inlet pipeline is connected to the lower mold, a gas detection mechanism is connected to the upper mold, when a medical injection molding part is placed on the lower mold, the upper mold is pressed downwards to fix the medical injection molding part, and at the moment, gas is blown into the lower mold; whether the medical injection-molded part leaks gas or not is detected through the gas detection mechanism on the upper mold, gas is blown into the sealed space through the sealed space formed by downward pressing of the upper mold and the gas inlet pipeline of the lower mold, whether the medical injection-molded part leaks gas or not is detected through the gas sensor of the upper mold, corresponding treatment is conducted according to the detection result, and operation is easy, convenient and fast.

The invention belongs to the technical field of punch forming, and particularly relates to a continuous punch forming and online quality detection integrated metal stamping part device which comprises a machine body, a first die, a second die and a third die, and the third die comprises a first cylindrical block and a second cylindrical block which are used for forming the shape of the inner wall of a workpiece; the pneumatic detection and demolding integrated assembly comprises a supporting rod rotationally installed in a first cylindrical block, and a second cylindrical block is in sliding connection with the supporting rod; the first gas path channel is formed in the second cylindrical block and the first cylindrical block; the spray head is mounted on the second cylindrical block in a sliding manner and communicates with the first gas path channel; the inductor is mounted on the first cylindrical block; wherein a measurement space is formed between the stamped workpiece and the third mold, the spray head supplies detection gas to the measurement space, the sensor determines the wall thickness of the workpiece by detecting the parameter change of gas in the first gas path channel, and meanwhile, the gas flow forms a gas film between the workpiece and the third mold, so that auxiliary demolding is realized.