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136 results about "Gas chamber" patented technology

A gas chamber is an apparatus for killing humans or other animals with gas, consisting of a sealed chamber into which a poisonous or asphyxiant gas is introduced. The most commonly used poisonous agent is hydrogen cyanide; carbon dioxide and carbon monoxide have also been used.

Gas nanometer purification method and purifier

The invention relates to a gas nanometer purification method and a purifier, and the method comprises the following steps: gas to be cleaned enters a gas-water separator for gas-liquid separation and coarse filtration, liquid impurities and large-particle solid impurities in the gas are removed, and preliminarily purified gas is obtained; on the basis of switching logic, the preliminarily purified gas is alternately conveyed to two adsorption unit groups for deep adsorption purification, adsorbent dehydration treatment and fine dust interception treatment are sequentially completed in the adsorption units, and clean gas is obtained; one part of the clean gas is conveyed to the gas storage bin to be stored, and the other part of the clean gas is conveyed to the regeneration gas bin to be pre-stored for regeneration cycle of the subsequent adsorption unit. Through the integrated method design of continuous adsorption working conditions, online regeneration cycle and automatic pressure equalizing switching, seamless connection of adsorption and regeneration and uninterrupted gas supply in the whole process are achieved, gas supply interruption and severe gas pressure fluctuation are effectively avoided, and the strict use requirements of precise manufacturing, automatic production lines and continuous production scenes for stable gas sources can be met.
Owner:HONGRIJIA DEPURATE FACILITY SCI & TECH CO LTD

Gas discharge detection method, system and equipment based on ultraviolet spectrum and medium

The invention relates to a gas discharge detection method, system and equipment based on an ultraviolet spectrum and a medium. The method comprises the following steps: transmitting a frequency-modulated ultraviolet light beam to a gas chamber to be detected, synchronously collecting and processing a transmission light signal in a branching manner, and simultaneously obtaining a modulated spectrum signal for gas absorption analysis and a discrete photon pulse signal for detecting a discharge event; respectively processing the two paths of signals, and extracting sulfur dioxide concentration information and photon radiation characteristics; fusing the two types of features to construct a dynamic feature vector, and obtaining a discharge state grade by using a dynamic Bayesian network diagnosis model; and finally, combining the concentration and state information, and outputting the membership degree of the discharge duration through fuzzy logic. By adopting the method, the fast process and the slow process of partial discharge can be cooperatively monitored, and the early detection sensitivity and the diagnosis reliability are improved.
Owner:MAINTENANCE BRANCH OF STATE GRID HEBEI ELECTRIC POWER +1

Infrared gas analyzer for rotary kiln

The invention belongs to the technical field of gas concentration detection, and particularly relates to a rotary kiln infrared gas analyzer which comprises a shell assembly, a heat dissipation device is installed on the shell assembly, a gas suction device is installed at one end of the shell assembly, a filtering device is fixedly connected to the gas suction device, and a supporting plate is fixedly installed in the shell assembly. A detection gas chamber, a reference gas chamber and a correction gas chamber which are arranged in parallel are fixedly arranged on the supporting plate in a penetrating manner, and structures such as a processor, a controller, a temperature sensor, a gas pressure sensor, an electric heating wire and the correction gas chamber are arranged; the air temperature in the correction air chamber is heated to be the same as the air temperature in the detection air chamber through the electric heating wire, the air pressure in the detection air chamber is adjusted to be the same as the air pressure in the heated correction air chamber through the cooperation of the air pump and the exhaust valve, and then the detection result is calculated in equal proportion. The concentration of the target gas in the flue of the rotary kiln in the normal temperature state can be obtained, and the accuracy of a detection result is greatly improved.
Owner:PANZHIHUA SHUIGANG & HONGFA MINING CO LTD

A liquid nitrogen storage tank pressure relief protection device based on liquid column differential pressure control

The utility model discloses a kind of liquid nitrogen storage tank pressure relief protection devices based on liquid column differential pressure control, belong to pressure vessel testing equipment field. Including liquid tank, air inlet and exhaust pipe and connecting pipe. Middle in liquid tank is provided with baffle, the baffle will the internal space of the liquid tank be divided into gas chamber and liquid chamber, liquid level control hole is opened on the side wall of the baffle far from the liquid chamber, the liquid level control hole of uppermost layer is located below the top edge of the baffle;The air inlet and exhaust pipe is vertically inserted in the top of the liquid tank, and the bottom end of the air inlet and exhaust pipe extends to below in the liquid chamber, the bottom end face of the air inlet and exhaust pipe is located below the liquid level control hole;The connecting pipe is vertically inserted in the bottom of the liquid tank, and the top end of the connecting pipe extends to in the gas chamber. The utility model is discharged by liquid column static pressure difference The pressure relief device of two-way protection of overpressure / negative pressure, especially applicable to the pressure test working condition of liquid nitrogen storage tank.
Owner:CHINA NAT CHEM ENG THIRD CONSTR

Gas premixer, gas water heating device and control method

The present application relates to hot water supply equipment technical field, disclose a kind of gas premixing device, gas water heating equipment and control method. Among them, gas premixing device includes premixing outer tube and premixing inner tube, premixing outer tube is equipped with air passage, premixing inner tube is located in premixing outer tube, the outer wall between premixing inner tube and the inner wall of premixing outer tube is enclosed to form the gas chamber being communicated with gas inlet, premixing inner tube is equipped with spoiler, gas mixing passage and air passage being communicated with air inlet, gas mixing passage is respectively communicated with the outlet of air passage and the outlet of gas chamber, at least part of spoiler is located in gas mixing passage. The present application is equipped with multiple spoiler being communicated with gas outlet passage by being located in the inner wall circumferential side of gas mixing passage, gas flows out from gas outlet passage and enters into spoiler, under the spoiler effect of gas in spoiler, make gas and air form turbulent flow at gas mixing passage, realize the sufficient mixing of gas and air.
Owner:GUANGDONG WANHE THERMAL ENERGY TECH CO LTD

Conduit system of a radiation source and methods thereof

A radiation source includes a chamber, a window, and a conduit system. The chamber confines a gas and contaminants produced during the generation of radiation. The window isolates the gas from an environment external to the chamber and allows the radiation to travel between the gas chamber and the environment. The refill path allows a replacement of the gas. The conduit system directs a flow of one of a refill gas, the gas, or the refill gas and the gas at least during a refill operation to prevent the contaminant from contacting the window. The conduit system may include one or more unidirectional valves which may be magnetic check valves. A magnet component of the magnetic check valve may be disposed external to the conduit and the chamber so that the magnet component is not subjected to corrosion by the gas in the conduit or the chamber.
Owner:CYMER INC

Outer ring fire cover and combustor

The outer ring fire cover comprises a fire cover body, the fire cover body is provided with a plurality of fire holes distributed in the circumferential direction of the fire cover body, and the outer ring fire cover further comprises a noise reduction structure; the silencing structures are arranged on the sides, facing the radial inner side of the fire cover body, of the fire holes, the silencing structures and the fire holes are arranged in the radial direction of the fire cover body at intervals, and gas chambers communicating with the fire holes are formed. The noise reduction structure comprises a gas channel and a plurality of noise reduction parts arranged in the circumferential direction of the fire cover body at intervals, and the gas channel is formed by the interval between every two adjacent noise reduction parts. And the structure of the fuel gas channel is set as follows: the flow rate of fuel gas flowing through the fuel gas channel is greater than that of fuel gas flowing through the fuel gas chamber. The silencing structure is arranged in the outer ring fire cover, so that gas flowing to the fire holes is silenced, and the combustion performance of the combustor is not affected.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

System and method for simultaneous measurement of gas adsorption and resistivity of coal rocks with different temperatures and pressures

The invention provides a combined measurement system and method for gas adsorption and resistivity of coal rocks with different temperatures and pressures, and belongs to the field of physical analysis of coalbed methane storage rocks.The gas adsorption system comprises a gas chamber, the gas chamber is connected with a methane gas tank and a nitrogen gas tank through a first valve and a third valve, the gas chamber is connected with a sample holder through a second valve, and the sample holder is connected with a gas storage tank through a third valve. A first pressure gauge is arranged between the air chamber and the second valve, a second pressure gauge is arranged between the second valve and the sample holder, a temperature controller is connected between the air chamber and the sample holder, the sample holder is connected with a constant-flux pump through a fourth valve, and the sample holder is connected with a vacuum pump through a fifth valve; and the sample holder is also connected with the bridge instrument. According to the combined measurement system and method for gas adsorption and resistivity of coal rocks with different temperatures and pressures, under the conditions of different temperatures and pressures, the gas adsorption amount of the coal rocks is accurately measured, the resistivity change of the coal rocks is synchronously monitored, and the dynamic incidence relation of the gas adsorption amount and the resistivity change is established.
Owner:ANHUI UNIV OF SCI & TECH

Silicone rubber vulcanization system and method based on sf6 waste gas plasma reduction treatment

The application discloses a vulcanization system and method for silicone rubber based on SF6 waste gas plasma reduction treatment. In the system, a mixed gas chamber, a discharge system, a vulcanization system, a separation gas chamber and a collection gas bottle are sequentially connected by gas paths, the separation gas chamber is connected with the mixed gas chamber through a dilution gas chamber, flow meters and electromagnetic valves are arranged between the mixed gas chamber and the discharge system, between the mixed gas chamber and the dilution gas chamber, and between the separation gas chamber and the dilution gas chamber, and an ultraviolet light source is used for providing light for the discharge system and the vulcanization system, wherein a catalyst is arranged in the discharge system, SF6 waste gas, hydrogen and dilution gas can be introduced into the mixed gas chamber. The application can efficiently utilize S elements in SF6 waste gas, degrades SF6 through catalysis, realizes vulcanization treatment of silicone rubber base material in real time by taking S as a vulcanizing agent while depositing S in the form of an element, finally converts S elements in SF6 waste gas into vulcanized silicone rubber in the form of vulcanization crosslinking, and achieves the purpose of resource utilization of S elements in SF6 waste gas.
Owner:ELECTRIC POWER RES INST CHINA SOUTHERN POWER GRID CO LTD +1

Dynamic frost layer regulation-based test method and device for temperature and humidity of gas chamber of ring main unit

The present application relates to the technical field of power distribution equipment, and particularly relates to a ring main unit gas chamber temperature and humidity test method and device based on dynamic frost layer regulation. The method tests the ring main unit gas chamber at multiple temperature points in a high-low temperature test chamber, and dynamically regulates the thickness of the frost layer formed by a mirror surface humidity detection unit during dew point measurement to achieve rapid and accurate adjustment of the humidity in the gas chamber, thereby avoiding the traditional inefficient gas replacement process, allowing the entire humidity adjustment process to be completed within 10 minutes, greatly shortening the multi-working-condition temperature and humidity test cycle. The control terminal automatically coordinates the high-low temperature test chamber, electromagnetic valve, pump set and detection unit to achieve full closed-loop operation from temperature regulation, humidity measurement to frost layer regulation, supports 24-hour continuous operation, avoids operation errors and data fluctuations caused by manual intervention, and significantly improves the reliability and repeatability of test data.
Owner:ZHEJIANG HUADIAN EQUIP TESTING INST

Multi-gas monitoring method and device based on piezoelectric ceramic pump sampling

The invention belongs to the technical field of gas monitoring, and particularly relates to a multi-gas monitoring method and device based on piezoelectric ceramic pump sampling, and the method comprises the steps: obtaining a patient airway gas sample; the method comprises the following steps: treating a patient airway gas sample, filtering out water vapor and impurities, extracting the filtered gas sample into a micro non-spectral infrared multi-channel gas chamber by using a piezoelectric ceramic pump, and measuring, so that a light beam emitted by an infrared light source penetrates through the gas sample; an infrared sensor is used for synchronously detecting infrared light intensity attenuation of carbon dioxide and anesthetic gas at a specific absorption wavelength; and establishing a multi-gas concentration calculation model by combining the Beer-Lambert law according to the infrared light intensity attenuation degree, calculating the concentration of carbon dioxide and anesthetic gas in the gas sample, correcting the gas concentration in real time by adopting a temperature-pressure compensation algorithm, and outputting a corrected gas concentration value and a real-time oscillogram. Therefore, the problems of high power consumption, short service life, large monitoring device size and the like in the prior art are solved.
Owner:BEIJING JINJIAXIN TRADING CO LTD

Gas product concentration measurement method based on gas homogenization

The application discloses a gas decomposition product concentration measuring method based on gas mixing, and the method is applied to a gas circulating device and comprises the following steps: controlling gas in a to-be-detected gas chamber to be delivered into a first gas chamber to obtain an initial gas decomposition product concentration; controlling the gas in the to-be-detected gas chamber to be delivered into a second gas chamber, then delivering the gas in the first gas chamber into the second gas chamber, then delivering the gas in the second gas chamber into the first gas chamber, and finally obtaining a target gas decomposition product concentration; determining whether the gas is in a mixing state according to the initial gas decomposition product concentration and the target gas decomposition product concentration; and if the gas is in the mixing state, taking the target gas decomposition product concentration as the total concentration of the gas decomposition product in the to-be-detected gas chamber. Whether the detected gas decomposition product concentration is accurate is determined by detecting whether the gas in the to-be-detected gas chamber and the gas decomposition product are mixed, and the gas decomposition product concentration is calculated after the gas decomposition product is mixed, so that a more accurate detection result is obtained.
Owner:YUNNAN POWER GRID CO LTD +1

A CO2 dynamic dissolution testing device

PendingCN122282602ASimple and accurate measurementreduce lossHelium gasHelium cylinder
This invention provides a CO2 dynamic dissolution testing device. The device includes: a core holder, a vacuum system, a confining pressure system, a back pressure system, a fluid supply system, a nuclear magnetic resonance (NMR) testing system, a sensor system, and a temperature control system. The fluid supply system includes a CO2 gas supply component, a formation water supply component, a saturated carbon dioxide formation water supply component, and a helium supply component. The helium supply component includes a helium cylinder and a standard gas chamber, with the gas outlet of the helium cylinder connected to the inlet of the standard gas chamber. The CO2 gas supply component, formation water supply component, saturated carbon dioxide formation water supply component, and standard gas chamber are each connected to the fluid inlet of the core holder. The sensor system includes a pressure sensor group, comprising a pressure sensor for acquiring the pressure at the fluid inlet of the core holder, a pressure sensor for acquiring the pressure at the fluid outlet of the core holder, and a pressure sensor for acquiring the pressure of the standard gas chamber.
Owner:PETROCHINA CO LTD

Ring main unit gas chamber temperature and humidity test method and device based on dynamic humidity regulation and control

The invention relates to the technical field of power distribution equipment, in particular to a dynamic humidity regulation-based ring main unit gas chamber temperature and humidity test method and device, which utilizes a full-automatic intelligent operation platform to automatically regulate the temperature of a ring main unit gas chamber, and automatically detects the humidity value at the temperature after the gas temperature in the gas chamber is stable. The humidity of the gas in the gas chamber is intelligently adjusted by using moisture and a drying agent in the air, so that other initial humidity tests can be carried out, the initial humidity is dynamically adjusted on the premise of not replacing the main gas of the gas chamber, and the representativeness and reliability of test data are remarkably improved; the control terminal accurately controls the electromagnetic valve, the booster pump and the high-low temperature box to operate cooperatively according to the temperature, humidity, pressure and environmental parameters detected in real time, humidification or dehumidification is carried out automatically, and 24-hour continuous tests can be completed without manual intervention.
Owner:ZHEJIANG HUADIAN EQUIP TESTING INST

Gas chamber body for calibration test of household methane gas sensor

The utility model relates to a gas chamber body for calibration test of a household methane gas sensor, which comprises a gas chamber outer shell, a gas chamber inner shell and a gas chamber inner shell, an air inlet hole and an air outlet hole are formed in two opposite surfaces of the anti-reflection glass, and sealing glass covers the air inlet hole and the air outlet hole; the sensor mounting bracket is used for mounting a methane gas sensor, a signal transmitted by a transmitting end of the methane gas sensor passes through the anti-reflection glass and methane gas in the gas chamber outer shell to a receiving end to be received, and the methane gas sensor can realize the detection of the concentration of the methane gas in the gas chamber outer shell. According to the gas chamber body for the calibration test of the domestic methane gas sensor, methane gas does not need to be in actual contact with the methane sensor, the penetration rate of sensor light can reach 95% through the glass and the AR film on the glass, and the accuracy of a test result is ensured even if the sensor is not in actual contact with methane; and the test efficiency is improved.
Owner:KOCHUAN PHOTONICS TECHNOLOGY (SUZHOU) CO LTD

Experimental device capable of automatically replenishing water and electrically simulating soil acid-base change

The invention discloses an electric simulation soil acid-base change experimental device capable of automatically replenishing water, and belongs to the technical field of soil environment simulation experimental equipment. The device comprises a box body, a soil area is arranged in the box body, two sides of the soil area are provided with a limiting chute and an inserted electrode, when the electrode is inserted, a gas cavity is compressed through a polar plate clamping seat, gas is transmitted to a water replenishing device through a gas guide cavity, and a water replenishing pricking needle is triggered to move upwards to pierce into soil and unfold a water guide channel. According to the device, a water supplementing system is started through mechanical linkage of electrode insertion action, closed-loop control is achieved through cooperation of a water level sensor and a controller, and the soil can be automatically and accurately kept in a water-completely-saturated submerging state. The intelligent synchronization of electrochemical acid-base change simulation and moisture real-time compensation is realized, the problems of water replenishing lag, operation disturbance and inaccurate moisture control in a traditional experiment are effectively solved, and the stability, repeatability and automation degree of the experiment are remarkably improved.
Owner:INST OF SOIL FERTILIZER & RESOURCE ENVIRONMENT JIANGXI ACAD OF AGRI SCI

GIS insulating gas decomposer detection system and method

The invention is suitable for the technical field of insulating gas, and provides a GIS insulating gas decomposer detection system and method. The system comprises a gas detection unit, electronic equipment, and a sampling interface, a pressure and flow adjusting unit, a filtering and drying unit and a detection gas chamber which are sequentially communicated through a pipeline, wherein the gas detection unit is arranged in the detection gas chamber; the sampling interface is used for sampling gas in the GIS gas chamber; the pressure and flow regulating unit is used for reducing pressure and stabilizing flow of the gas taken out from the sampling interface; the filtering and drying unit is used for filtering and drying the gas and sending the filtered and dried gas into the detection gas chamber; the gas detection unit is used for detecting components and concentration of gas in the detection gas chamber and sending a signal to the electronic equipment; and the electronic equipment analyzes the signal, determines the component and concentration of the gas in the detection gas chamber, and sends out early warning information when the gas concentration exceeds an early warning threshold value. According to the invention, the gas composition and concentration in the GIS gas chamber can be accurately detected.
Owner:STATE GRID HUBEI ELECTRIC POWER CO LTD +2

Environment parameter monitoring device and method in sealed area of coal mine underground

The application discloses a device and a method for monitoring environmental parameters in and outside a sealed area in a coal mine underground. The device comprises a control module, a gas conveying module, a gas detection module and a shell. The gas conveying module comprises a first gas pump, a second gas pump, a first gas-water separator and a second gas-water separator. One end of the first gas pump is connected with the first gas-water separator, and the other end is connected with the gas detection module. One end of the second gas pump is connected with the second gas-water separator, and the other end is connected with the gas detection module. The gas detection module comprises a first gas chamber cavity, a second gas chamber cavity and a differential pressure chip. The first gas chamber cavity contains a plurality of gas probes. The second gas chamber cavity contains an H2S gas probe. The shell is provided with a sealed wall outside gas monitoring inlet, a sealed wall inside gas monitoring inlet and a sealed wall inside pressure monitoring inlet. The device and the method can improve the effectiveness and accuracy of the environmental monitoring in and outside the sealed area in the coal mine underground, and can also reduce costs and increase benefits.
Owner:TIANDI CHANGZHOU AUTOMATION +1

Efficient integrated pretreatment system

The utility model discloses an efficient integrated pretreatment system, which relates to the technical field of automatic temperature control devices and comprises a visible washing tank, a two-way needle valve is arranged at the bottom of the visible washing tank, a gas-liquid separator is communicated with the side surface of the visible washing tank, a pretreatment cabinet is arranged on the outer side of a pretreatment cabinet, and a gas-liquid separator is communicated with the gas-liquid separator. The side face of the gas-liquid separator is communicated with the membrane filter through the adjustable flow meter, the zero-point gas switching loop is arranged on the side face of the silica gel tank, by means of the pretreatment system, the replacement number of pressure reducing valves is reduced, the maintenance cost is saved, meanwhile, the liquid level is convenient to adjust through the visual water washing tank, the water washing effect is improved, and the water washing efficiency is improved. The pretreatment system is relatively high in desulfurization and sealing performance, the leakage rate of equipment is reduced, and meanwhile, the risk of pollution of a gas chamber of an online analyzer is reduced. Two paths of switchable desulfurization tanks are adopted, so that continuous and uninterrupted online measurement and online desulfurization agent replacement are realized.
Owner:YUNNAN YUNTIANHUA DAWEI AMMONIA MANUFACTURING CO LTD

Ring main unit gas chamber temperature and humidity test method and device based on dynamic humidity regulation

The present application relates to power distribution equipment technical field, especially to the ring main unit gas room temperature and humidity test method and device based on dynamic humidity regulation, utilize full automatic intelligent operation platform to the temperature of ring main unit gas room is adjusted automatically, after the gas temperature in the gas room is stable, the humidity value under the temperature is detected automatically, and the moisture in the air and the desiccant are used to adjust the gas humidity in the gas room intelligently, so as to carry out other initial humidity test, under the premise of not replacing the main gas of the gas room, the initial humidity is dynamically adjusted, the representativeness and reliability of test data are significantly improved, the control terminal according to the real-time detection temperature and humidity, pressure and environmental parameters, accurately control the solenoid valve, booster pump and high-low temperature box cooperative operation, automatically carry out humidification or dehumidification, 24 hours continuous test can be completed without manual intervention.
Owner:ZHEJIANG HUADIAN EQUIP TESTING INST

Radioactive gas measuring device

PendingCN121934124AX/gamma/cosmic radiation measurmentRadioactive gasGas chamber
The embodiment of the invention relates to a radioactive gas measuring device, comprising: a chamber body, in which a gas chamber for accommodating gas to be measured is formed, and the chamber body is provided with a mounting port communicated with the gas chamber; the detector is arranged at the mounting opening, the detection surface of the detector faces the interior of the air chamber, and the detector blocks the mounting opening to form a sealing boundary of the air chamber; wherein the chamber body or the detector is provided with an air inlet channel and an air outlet channel which are communicated with the air chamber. The PIPS detector directly blocks the mounting port and forms a sealed boundary, so that the direct contact between the detection surface and the detected gas is realized, the attenuation of a window material to alpha particles or low-energy beta particles is eliminated, the measurement sensitivity is improved, and the limitation that the detector in the traditional measurement device needs to be placed in an independent sleeve or measured through a protection window is overcome; meanwhile, the detector serves as the top wall of the cavity body and is matched with the air inlet channel and the air outlet channel which are integrated on the cavity body or the detector, so that the whole device is more compact in structure.
Owner:SHANGHAI SIM-MAX TECH CO LTD Y

Fire cover structure and cooktop burner

This invention discloses a burner cap structure and a stove burner. The burner cap structure includes a burner cap body and at least one partition. The outer wall of the burner cap structure has an inwardly recessed ignition groove. The partition is disposed within the ignition groove and divides the internal space of the ignition groove into several ignition chambers for interaction with an ignition needle. The burner cap body has a gas chamber, and several ignition holes are formed on the burner cap body. These ignition holes are all connected to the gas chamber and the ignition groove, and each of the ignition holes is connected to a specific ignition chamber. Gas can reach the several ignition chambers through the ignition holes, enabling the several ignition chambers to interact with the ignition needle to achieve ignition. This solves the defect in the prior art where only one ignition hole is blocked and ignition fails, ensuring a high ignition success rate. Furthermore, the different gas concentrations within the several ignition chambers further improve the ignition success rate.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

A sulfur-burning acid-making system

A sulfuric acid system for burning sulfur, comprising a sulfur temporary storage tank, a gasification igniter, a sulfur combustion chamber, a Venturi injector, a reactor, an acid making tower, an alkali washing tower, the sulfur temporary storage tank is connected with the gasification igniter through a sulfur metering pump, the gasification igniter is connected with the sulfur combustion chamber, the sulfur combustion chamber is connected with the gas chamber of the Venturi injector through a pipeline I, the bottom end of the Venturi injector is connected with the inlet of the reactor through a reaction tube, the gas outlet of the reactor is connected with the gas inlet of the acid making tower through a pipeline III, the liquid outlet of the acid making tower is connected with the liquid chamber of the Venturi injector through a pipeline IV, the liquid outlet of the reactor is connected with a sulfurous acid storage tank through a pipeline V, the upper gas outlet of the acid making tower is connected with the gas inlet of the alkali washing tower through a pipeline VI, the two liquid inlets of the alkali washing tower are connected with alkali liquor and water through control valves respectively, and a circulating pipeline and an alkali washing tower circulating pump are connected between the lower liquid outlet of the alkali washing tower and the upper liquid inlet of the alkali washing tower. The utility model can improve the raw material utilization rate, reduce the acid making cost and reduce pollution.

Gas detection device

A gas detection device includes a housing and a detection unit, the housing has a first side wall, the first side wall has a ventilation part, the ventilation part has a through hole, the through hole penetrates through the first side wall, the through hole is communicated with the outside of the gas detection device; the housing has an inner cavity, the housing has a blocking part, the blocking part is connected with the first side wall, the blocking part divides the inner cavity into a first cavity and a second cavity, the ventilation part is located at the periphery of the first cavity; the detection unit has a gas chamber, the detection unit has a second side wall, the second side wall is located at the periphery of the gas chamber, the second side wall has a hole part, the hole part has a matching hole, the matching hole penetrates through the second side wall, the hole part is located in the first cavity, the matching hole is communicated with the gas chamber, and the matching hole is communicated with the through hole. The application is beneficial to improve the gas detection time response of the gas detection device.
Owner:HANGZHOU SANHUA RES INST CO LTD

Underground carbon monoxide detection device

The invention relates to the technical field of gas detection sensors, and discloses an underground carbon monoxide detection device which comprises a detector body and a sensor, a connecting cover is fixed to the bottom of the detector body, a detection box is fixed to the bottom of the connecting cover, and filter holes are formed in the surface of one end of the detection box; the underground carbon monoxide detection device comprises a detection box, the bottom of the detection box is fixedly provided with a bottom cover, the bottom cover is provided with a moisture-proof dehumidification assembly, the dehumidification assembly comprises an air chamber detector main body, the air chamber detector main body is fixed in the detection box, and an air outlet is formed in the side, away from filter holes, of the air chamber detector main body. According to the air chamber detector, the dehumidification assembly is arranged in the detection box, after the air pump is started, air enters the air chamber detector main body through the filter holes, is dehumidified through the box-packed molecular sieve and then is blown to the sensor, so that the air is subjected to carbon monoxide detection after dust removal and dehumidification, and the detection accuracy of the sensor is further improved.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Self-cleaning flue particulate matter measuring instrument

The utility model discloses a self-cleaning flue particulate matter measuring instrument which comprises two measuring gas chambers, target sample gas channels are fixedly connected to the inner sides of the two measuring gas chambers, through holes used for flue gas communication are formed between the measuring gas chambers and the target sample gas channels, an emission light source assembly is fixedly connected to the inner side of the measuring gas chamber on one side, and an emission light source assembly is fixedly connected to the inner side of the measuring gas chamber on the other side. The inner side of the target sample gas channel on the other side is fixedly connected with a sampling detection assembly, and the inner sides of the two measuring gas chambers are fixedly connected with alcohol cleaning mechanisms; the hollow column is driven by the motor to rotate, the brush fixed to one side of the hollow column is driven to rotate synchronously, alcohol is conveyed to the hollow column through external equipment, then the alcohol evenly flows out through liquid outlet holes in the brush and infiltrates the brush, and in the rotating process of the brush, the alcohol can soften dust attached to the emission light source assembly and the sampling detection assembly, so that the detection efficiency is improved. And in cooperation with mechanical friction of the brush, the dust can be brushed off more effectively, and deep cleaning is achieved.
Owner:NANJING ZEYI POWER ENG CO LTD

Bubble film online wrapping machine

The application relates to an online bubble film winding machine, which comprises a lifting column, a supporting frame is arranged on the left side of the lifting column, a cross frame is arranged at the upper end of the supporting frame, a wire rail is arranged at the front end of the cross frame, two wire rail assemblies are arranged on the surface of the wire rail, a cross connecting piece is arranged at the front end of the wire rail assembly on the right side, an automatic film breaking mechanism is arranged at the right end of the cross connecting piece, brush film coating mechanisms are symmetrically arranged above and below the cross connecting piece, and an automatic pressing plate structure is arranged above the brush film coating mechanisms; a pneumatic executing mechanism is arranged at the rear end of the automatic pressing plate structure; through the heating device, heat generated by work is transmitted to a No. 1 gas chamber, carbon dioxide gas in the No. 1 gas chamber is heated and expanded, limestone in the No. 1 gas chamber is heated and decomposed to generate carbon dioxide gas, the volume of the carbon dioxide gas is increased by heat, a top-out air bag is fully inflated, and the automatic pressing plate structure is ejected, thereby playing a role in compacting the bubble film.
Owner:ZHEJIANG XUPAC INTELLIGENT TECH CO LTD

Multifunctional cooking hob

The present application relates to a kind of multifunctional cooking zone, comprising: gas seat, which is provided with outer flame gas pipe, inner flame gas pipe and gas chamber, one end of the outer flame gas pipe and one end of the inner flame gas pipe are communicated to the gas chamber, first ozone inlet is opened on the side wall of the outer flame gas pipe, second ozone inlet is opened on the side wall of the inner flame gas pipe;Valve assembly, which is provided with third ozone inlet;Cabinet, which is provided with first opening, first baffle is movably arranged at the first opening;And ultraviolet lamp, which is installed on the first baffle.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Pest trapping and monitoring device capable of adjusting spectrum

The invention relates to the technical field of pest trapping and monitoring, and discloses a pest trapping and monitoring device capable of carrying out spectrum adjusting.The pest trapping and monitoring device comprises a trapping box installed on a vertical rod, an air guide assembly is further arranged in the trapping box and comprises an annular air guide ring arranged on the top layer, and an air guide nozzle inclining downwards is arranged on the annular air guide ring; the annular air guide ring is downwards communicated with an air bin, a smell source is arranged in the air bin, the air bin of the air guide assembly is communicated with an air pump, the air pump is connected with a spectrum adjusting controller of the trapping light source in a controlled mode, and the spectrum and the airflow velocity are adjusted according to the types of pests needing to be attracted. Precise attraction, efficient capture and long-term stable monitoring of target pests are realized through cooperative cooperation of spectrum adjustment and annular wind guide capable of adjusting the flow speed; the problems that an existing spectrum adjusting trapping device neglects pest airflow tropism, smell transmission efficiency is low, the trapping rate is insufficient, and due to the fact that a light-transmitting cover is prone to dust accumulation, trapping pertinence is poor, and stability is weak are solved.
Owner:HANGZHOU SHIQI TECH

Alkali spraying device for ultra-low nitrogen burner and ultra-low nitrogen burner

The utility model provides an alkali spraying device for an ultra-low nitrogen burner and the ultra-low nitrogen burner, and belongs to the technical field of waste gas spraying treatment, the alkali spraying device comprises a tower body, a circulating water tank, a gas chamber, a packing layer, a spraying layer and a demisting layer are sequentially arranged in the tower body from bottom to top, and a gas inlet is formed in the side wall of the tower body corresponding to the gas chamber; the gas inlet is connected with a waste gas flue of the ultra-low nitrogen combustor through a gas inlet pipe; the nozzle assembly is arranged in the spraying layer, the nozzle assembly is connected with the circulating water tank through a spraying pipe, and a circulating water pump is arranged on the spraying pipe; the dosing tank is connected to the spraying pipe through an electromagnetic control valve; and the pH value control assembly is electrically connected with a pH sensor and an electromagnetic control valve which are arranged in the air chamber. The ultra-low-nitrogen burner has the beneficial effects that the alkali spraying device is arranged on the ultra-low-nitrogen burner, so that the ultra-low-nitrogen burner can further remove other acid pollutants in waste gas while reducing NOx emission, the waste gas treatment effect and efficiency are improved, and the environment-friendly requirement is met.
Owner:SHANGHAI TIANYUAN ENVIRONMENTAL TECH CO LTD