45results about How to "Stable temperature control" patented technology

The invention discloses a multifunctional hydrogen production circulating system and a control method thereof. The multifunctional hydrogen production circulating system comprises a water replenishing loop, a deionization circulating loop and an electrolytic bath circulating loop. According to the device, the water supplementing loop, the deionization circulation loop and the electrolytic bath circulation loop are arranged, the connecting position of the deionization circulation loop and the electrolytic bath circulation loop is located in front of the oxygen-water primary liquid separation tank, and the deionization circulation loop and the electrolytic bath circulation loop are connected to the oxygen-water primary liquid separation tank through the turbulent flow preventing mixing pipeline; the turbulent flow phenomenon caused by different water temperatures of the deionization circulation loop and the electrolytic bath circulation loop can be effectively avoided through mixing, the water replenishing loop and the deionization circulation loop can be used for effectively controlling the water inlet conductivity, and the conductivity and temperature of pure water entering the electrolytic bath are stably controlled.

The invention relates to a photon number distinguishable detection system and a photon number distinguishable detection method. A BOOST booster circuit module provides a direct-current voltage meeting the requirement that a multi-pixel photon counter works in a Geiger mode under the control of an FPGA (Field Programmable Gate Array); the temperature control circuit module collects the internal temperature of the multi-pixel photon counter and controls the temperature, so that the multi-pixel photon counter works at a constant temperature; the signal amplification circuit module amplifies an avalanche signal output by the multi-pixel photon counter and sends the amplified avalanche signal to the signal processing module, the signal processing module carries out extraction, photon number distribution analysis, error analysis and optimization and real-time photon number judgment and output on the signal output by the multi-pixel photon counter, and the FPGA receives an error analysis and optimization result of the signal processing module. And the adjusting signal is sent to the BOOST circuit module. The system is high in integration level and stable in temperature control, comprises an error detection and optimization unit, can output the photon number in real time, is simple to operate, can communicate with a PC upper computer through a USB interface, is flexible to use, and can realize low-error photon number distinguishable detection.

The invention relates to the technical field of magnesium oxide calcination, and particularly discloses a suspension calcination system and method capable of adjusting the activity of light calcined magnesium oxide. Comprising a multi-stage preheater, a suspension calcining furnace connected with the multi-stage preheater, a high-temperature section cyclone cooler which is respectively connected with the multi-stage preheater and the suspension calcining furnace and is used for conveying flue gas subjected to heat exchange to the suspension calcining furnace, and a low-temperature section cyclone cooler connected with the high-temperature section cyclone cooler, a plurality of layers of combustors used for realizing gradient distribution and partitioned combustion of the temperature in the suspension calcining furnace are arranged in the suspension calcining furnace; according to the invention, the distribution valve, the multi-layer combustor and the high-temperature section cyclone cooler are connected with the suspension calcining furnace, the distribution valve is adjusted for distribution circulation, the multi-layer combustor realizes partitioned combustion, and residual air after heat exchange of the high-temperature section cyclone cooler is used for cooperation, so that the activity index of light-burned MgO is adjusted and controlled in stable and continuous production, and the production efficiency is improved. The product quality requirement is met.

The utility model provides a metal label manufacturing welding machining mechanism which comprises a base, a movable plate is arranged above the base, a first sliding groove is formed in the top of the base, an end cover is arranged at one end of the first sliding groove in a clamped mode, and a threaded rod is arranged in the end cover in a penetrating mode. And one end of the threaded rod penetrates through the bottom of the movable plate and is clamped to the other end of the first sliding groove, multiple sets of motors are arranged on one side of the base, multiple clamping grooves are formed in one side of the base, the multiple motors are connected with the base through the multiple clamping grooves correspondingly, and a movable structure is arranged at the rear end of the base. When the equipment is used, the metal label can be placed on the base, then the motor is started to drive the threaded rod, so that the position of the movable plate is adjusted, the metal label is fixed, the process of fixing the metal label is more automatic and accurate through the structure, and the production efficiency and the product quality are improved.

The invention discloses a soil matrix preparation device for ecological remediation and relates to the technical field of ecological soil remediation. An isolation heat preservation barrel is fixed to the top end of an integration bearing frame, the inner side of the isolation heat preservation barrel is sleeved with a treatment integration barrel, an integration motor is installed at one end of the treatment integration barrel through a motor base, and a porous integration frame is fixed to one end of an output shaft of the integration motor; a plurality of lower discharging mixing pipes are connected to the bottom of the side end of the treatment integration barrel at equal intervals in a penetrating mode, an integration laying barrel is connected to the inner side of the fixed inlet and outlet barrel in a sleeving mode, and a mixing motor is installed at one end of the integration laying barrel through a motor base. In addition, through internal and external heat exchange and multi-group heat cycle treatment, stable temperature control is achieved, meanwhile, the situation that the compost fermentation process is affected due to the fact that the material temperature is too low is reduced, and therefore the production efficiency of the soil matrix and the product quality are guaranteed.

This utility model relates to the field of environmentally friendly gas cabinet technology, specifically an intelligent heat dissipation and gas leakage compensation system for an environmentally friendly gas cabinet. It is detachably installed on the back panel of the gas tank of the environmentally friendly gas cabinet and includes an integrated backpack. The integrated backpack includes a cabinet body with multiple chambers. A gas replenishment structure is connected to the gas tank replenishment valve on the gas tank of the environmentally friendly gas cabinet. The heat dissipation structure includes a semiconductor cooling chip and a water-cooled aluminum plate. The two sides of the semiconductor cooling chip are in contact with the back panel of the gas tank and the water-cooled aluminum plate, respectively. A fan-driven cooling unit is installed on the side of the water-cooled aluminum plate away from the semiconductor cooling chip. When the semiconductor cooling chip is energized, it transfers heat from the back panel of the gas tank to the water-cooled aluminum plate, rapidly cooling the inside of the gas tank. Simultaneously, the fan-driven cooling unit provides air cooling. The air cooling and water cooling work together to ensure stable temperature control inside the gas tank.

The electrical control circuit of the temperature control energy-saving oven comprises a power supply and an electrical installation plate, a control chip, a first relay, a second relay, a third relay and a ninth relay are respectively installed on the electrical installation plate, and a temperature sensor is connected to the control chip. The control chip is connected with low-voltage control ports of the first relay, the second relay, the third relay and the ninth relay, the live wire end is connected with high-voltage output ports of the first relay, the second relay, the third relay and the ninth relay, and the high-voltage output port of the first relay is connected with a top heating ring. The high-voltage output port of the second relay is connected with a bottom heating ring, the high-voltage output port of the third relay is connected with a back heating ring, the high-voltage output port of the ninth relay is connected with a circulating convection fan, and the top heating ring, the bottom heating ring, the back heating ring and the circulating convection fan are respectively connected with a zero line end; the electrical control circuit is stable in temperature control and energy-saving.

This invention relates to the field of electrofusion pipe fitting processing equipment technology, and discloses a device for improving the warping of large-diameter electrofusion pipe fittings. The device includes a furnace body with two sets of parallel annular conveyor belts inside. Both conveyor belts are connected to a conveying drive mechanism. Multiple pipe fixing mechanisms for fixing the electrofusion pipe fittings to be processed are evenly spaced on the two conveyor belts. A pipe feeding mechanism is provided at the starting end of the conveying of the two conveyor belts, and a pipe unloading mechanism is provided at the end of the conveying of the two conveyor belts. Both the pipe feeding and unloading mechanisms are located outside the furnace body. The portions of the two conveyor belts inside the furnace body are connected to a rotary temperature control mechanism inside the furnace body for graded temperature control of the electrofusion pipe fittings during rotation. This allows for sequential and uniform cooling of each part of the electrofusion pipe fitting, resulting in better cooling and higher quality after annealing, effectively improving the warping problem of large-diameter electrofusion pipe fittings.

The portable graphene seedling raising shed has the advantages that the graphene composite support rod is adopted, the support rod is used as a heating device while supporting, the support rod itself is changed into an efficient and uniform heating body, stable and controllable heat supply is provided for the inside of the seedling raising shed, the spraying assembly arranged in the shed is convenient for watering and realizes intelligent control, the portable graphene seedling raising shed can be used for small-scale and family type seedling raising and cultivation in winter, has the characteristics of being light, capable of being quickly folded or stretched, and convenient for users to carry, transport and quickly deploy at different sites.

The utility model discloses a high-compatibility imaging and temperature control system for an ovarian simulated organ and a zebra fish early embryo, which comprises a mold and a culture dish, agarose is placed in the culture dish, the mold is used for rubbing the ovarian simulated organ and an embryo imaging dish on the agarose, and the system further comprises an electric heating film and a temperature controller, the electric heating film is arranged below the culture dish, the input end of the electric heating film is electrically connected with the temperature controller, and an inductive probe of the temperature controller is arranged in the agarose for temperature monitoring; the mold comprises an ovarian organ simulating mold and a zebra fish early embryo mold. The mold is more fit in design and good in stability, 63 ovarian simulated organs or 30 early embryos can be contained at the same time, the mold is used in cooperation with a temperature controller and an electric heating film, imaging is stable, development temperature control is accurate, the operation difficulty is low, and repeatability is high.

The application provides a continuous production method and system of calcium hydroxide with high whiteness and high specific surface area, and relates to the technical field of limestone deep processing. The continuous production method comprises the following steps: step one: continuously adding quicklime particles into the inlet of a primary digester, continuously adding digestion water and an additive into the inlet of the primary digester, and carrying out premixing and pre-digestion under stirring conditions; step two: continuously introducing the discharge of the primary digester into a secondary digester, continuously adding digestion water and an additive into the inlet of the secondary digester, and stirring and digesting and aging; step three: the discharge of the secondary digester is sequentially introduced into a tertiary digester, a quaternary digester and a quinary digester for digestion and aging, and the product is obtained after grading by a grader. The method can continuously prepare calcium hydroxide with high whiteness and high specific surface area, and has the characteristics of simple process, short time consumption, remarkable effect and low energy consumption, and has been applied in actual production and has good use effect.

The application relates to the technical field of water treatment equipment, and relates to a water treatment equipment which comprises a water storage device and a temperature adjusting device; the temperature adjusting device comprises a heat exchange structure and a heat exchange component; the heat exchange structure has a first heat exchange end and a second heat exchange end; the first heat exchange end is thermally coupled to the water storage device; and the second heat exchange end is thermally coupled to the heat exchange component; wherein the heat exchange structure comprises a first heat exchange piece and a second heat exchange piece; and the first heat exchange piece is thermally coupled to the second heat exchange piece. The water treatment equipment of the embodiment adopts the heat exchange structure of double refrigerating pieces superposition; the first heat exchange piece is thermally coupled to the second heat exchange piece; one refrigerating piece is used to cool the other refrigerating piece; the temperature difference between the two ends is obviously improved; and the heat exchange effect is improved.

A charging pile control method includes the following steps: continuously detecting the actual temperature value at the charging gun line, obtaining a charging gun line temperature setpoint, calculating the difference between the charging gun line temperature setpoint and the actual detected temperature value, and obtaining the charging gun line temperature difference value at continuous time intervals; increasing the liquid cooling oil flow rate of the charging gun when the charging gun line temperature difference is positive, and decreasing the liquid cooling oil flow rate of the charging gun when the charging gun line temperature difference is negative. This solution can dynamically adjust the charging power of the charging pile's liquid cooler by measuring the temperature change value at the charging gun line, achieving the technical effects of reducing energy consumption and stabilizing temperature control.

This invention belongs to the field of polymerization reactions and discloses a reaction system and method for the precipitation polymerization of α-olefins with maleic anhydride. The system includes a reaction circulation subsystem and an external circulation temperature control subsystem. The reaction circulation subsystem includes a reaction vessel, a reactor, a reaction circulation pump, and a mixing connection device. The reaction vessel includes a vessel body, a jacket, a stirring device, and a first non-condensable gas outlet. The reactor includes a reaction liquid chamber, an external circulation liquid chamber, and a second non-condensable gas outlet. The external circulation liquid chamber is arranged around the outside of the reaction liquid chamber and is not connected to it. The external circulation temperature control subsystem includes an external circulation buffer tank, an external circulation pump, an external circulation heater, and an external circulation cooler. This invention, through a segmented reaction system, separates the heating and cooling functions of the reaction vessel, meeting the heating and cooling requirements of the precipitation polymerization of α-olefins with maleic anhydride in different solvent systems at different reaction stages.

The present invention relates to the technical field of activated carbon semi-finished product production, and in particular to a novel self-heating balanced carbonization furnace, comprising a burner combustion chamber, a furnace body, a flue, an incinerator and a waste heat boiler, wherein the burner combustion chamber is fixedly connected to one side of the furnace body, and a hopper is connected to the other side of the furnace body, one side of the bottom surface of the furnace body is connected to the flue, the end of the flue is connected to the incinerator, the incinerator is connected to the waste heat boiler, one side of the waste heat boiler is connected to an induced draft fan, and the induced draft fan is connected to a chimney, a steam jet pump is provided on the top of the incinerator, the input end of the steam jet pump is connected to the incinerator, and the output end of the steam jet pump is connected to the burner combustion chamber. The present invention can reduce the fuel usage of the carbonization furnace and save fuel costs; at the same time, it can also achieve stable control of the temperature of the carbonization furnace and improve the quality of the carbonized material.

The application discloses rapeseed oil refining equipment and a refining process thereof, and relates to the technical field of extraction and refining, which comprises a refining tank, supporting legs are fixedly connected to the bottom of the refining tank, a base is fixedly connected to the bottom of the supporting legs, a feeding inlet is threadedly connected to the top of the refining tank, a driving device is fixedly connected to the top of the refining tank, a refining stirring mechanism is arranged on the inner wall of the refining tank, the oil material can maintain a suitable temperature environment in the stirring process through the refining stirring mechanism, the precipitation and condensation of phospholipids are accelerated, the influence of low temperature on the condensation effect of phospholipids is prevented, the deterioration of oil caused by high temperature is avoided, the inside of the refining tank is uniformly heated at different positions through synchronous stirring, compared with the uneven heating of a single position of a traditional heating rod, the circulating flow heat conduction liquid is matched with the rotary stirring mode of the driving rod, so that the temperature control of the whole degumming process is more uniform and stable.

The utility model relates to the technical field of cultivation equipment, and discloses a traditional Chinese medicine seed rapid germination accelerating device which comprises a fixing frame, baffles are fixedly connected to the periphery of the outer wall of the fixing frame, a bin door is rotatably connected to the front side of the outer wall of the fixing frame, and a water storage tank is fixedly connected to the rear side of the inner wall of the fixing frame. A plurality of water pumps are fixedly connected to the right side of the outer wall of the water storage tank, drainage pipes are fixedly connected to the output ends of the water pumps, adjusting valves are fixedly connected to the front sides of the outer walls of the drainage pipes at equal intervals, branch pipes communicate with the front sides of the outer walls of the adjusting valves, and drainage holes are formed in the left and right sides of the outer walls of the branch pipes. According to the rapid germination accelerating device for the traditional Chinese medicine seeds, the fixing frame serves as a main body, the baffle and the bin door enclose the space, water in the water storage tank is pumped out through the water pump, water flow is received by the water inlet grooves around the reaction box, a suitable germination accelerating environment is created through cooperation of multiple components, different moisture is applied according to different traditional Chinese medicine seeds, and the growth adaptability is guaranteed.

The application discloses a kind of power transformer room temperature double-season regulation and control method, belong to power transformer room temperature control technical field, using electric heating radiator heating and axial fan cooling Dual-equipment special regulation and control mode, targeted adaptation winter and summer double-season extreme temperature environment, winter through electric heating radiator global steady heat compensation, solve machine room low temperature condensation, transformer insulating oil viscosity, unstable problem of start running;Summer through axial fan forced convection heat dissipation, quickly reduce machine room temperature, avoid transformer high temperature overheating, loss exceeds standard, insulation aging problem, double-season temperature control pertinence is strong, adaptability is extremely high;Using multi-point temperature measurement, global temperature control mode, effectively avoid single-point temperature measurement error, temperature control is stable, precision is high, machine room internal temperature uniformity is good, avoid local temperature difference too large and lead to transformer local stress uneven, performance attenuation problem, greatly improve the annual operation stability and service life of power transformer.

The invention belongs to the technical field of phosgene preparation and isocyanate preparation, and particularly relates to a method for obtaining hydrogen chloride with low light component content in an isocyanate production process, which comprises the following steps: (1) synthesizing phosgene from chlorine gas flow and carbon monoxide flow under the catalysis of a catalyst; the inlet temperature of a catalyst bed layer of the phosgene synthesis reactor is controlled to be 110 DEG C or above, and the highest temperature is 450 DEG C or below; (2) condensing and separating the obtained gas-phase material flow I to obtain a liquid phosgene material flow with low content of a light component i; and (3) feeding the liquid phosgene material flow into an isocyanate synthesis process for reaction, and performing condensation and impurity removal on a generated gas phase material flow II to obtain a hydrogen chloride material flow with low content of a light component ii. According to the method, the content of light component impurities in the hydrogen chloride byproduct material can be controlled in a relatively low range, so that the temperature of a catalyst of a hydrogen chloride catalytic oxidation reactor taking hydrogen chloride as a raw material is kept stable, and the stability of an isocyanate production process is improved.

The utility model relates to a waste heat utilization system for an electrode foil production line, which is characterized in that the input end of a front-end formation liquid output pipeline is connected with a liquid outlet of a corresponding front-end formation tank, the output end of the front-end formation liquid output pipeline is provided with a first front-end branch and a second front-end branch, and the first front-end branch is connected with a corresponding first heat exchanger; the output end of the backflow pipeline is connected with a backflow opening of the corresponding front-end formation tank, the input end of the backflow pipeline is provided with a first backflow branch and a second backflow branch, the first backflow branch is connected with the corresponding first heat exchanger, and the second backflow branch is connected with the corresponding second heat exchanger. The rear-end formation tank is connected with the corresponding first heat exchanger through a formation liquid output pipeline and a formation liquid return pipeline, and the rear-end treatment tank is connected with the corresponding second heat exchanger through a treatment liquid output pipeline and a treatment liquid return pipeline. The high-temperature front-end formation liquid is used as a heat exchange medium to heat the rear-end formation tank and the rear-end treatment tank, so that the waste heat utilization of the production line is realized.

The invention discloses a water pump PWM software control method for an instant heating type water dispenser and a corresponding medium and equipment, and the method comprises the steps: S1, receiving a water outlet instruction, and judging whether a water pump PWM historical value corresponding to the current target temperature exists or not; s2, if not, a water pump and a heater are started, the PWM value of the water pump is dynamically adjusted through a PID algorithm according to the difference value between the outlet water temperature and the target temperature till the water temperature stably reaches the standard, and the PWM value is stored as a historical value; s3, if yes, the historical PWM value is directly called to control a water pump and start a heater; and S4, continuously monitoring the water temperature in the quick starting process, and if the water temperature deviates from the target temperature, correcting the historical PWM value to keep the constant temperature. According to the invention, rapid starting is realized by storing and calling the historical PWM value, and time consumed by real-time calculation is reduced; closed-loop control is formed by combining monitoring and correction, long-term stability of the water temperature is guaranteed, and the system adapts to environment and equipment state changes.

The invention discloses a temperature detection control method for skin thermal therapy itching relieving equipment and a medium, and relates to the technical field of intelligent control, and the method comprises the following steps: activating a control interaction channel of the skin thermal therapy itching relieving equipment; constructing an equipment application scene; performing multi-stage temperature control collaborative decision on the skin thermal therapy itching relieving equipment, and establishing an equipment temperature control collaborative strategy space; based on the equipment temperature control multi-layer optimization network, performing multi-layer joint optimization on the equipment temperature control collaborative strategy space to obtain an equipment temperature control strategy optimization result; based on the target user, the skin thermal therapy itching relieving equipment is controlled according to the equipment temperature control strategy optimization result, and control monitoring data is obtained; and performing optimization control on the skin thermal therapy itching relieving equipment based on the control monitoring data. The technical problems of low temperature control precision, poor adaptability and difficulty in dynamic optimization when temperature detection control is performed on the skin thermal therapy itching relieving equipment in the prior art are solved, and the technical effect of improving user experience is achieved.

The invention discloses a deep in-situ environment simulation cabin uniform temperature and pressure field reconstruction system and a control method thereof.The system comprises a heating and heat preservation belt, a temperature sensor and a control system, the heating and heat preservation belt is connected to the outer wall of a deep in-situ environment simulation cabin, the temperature sensor is installed on the heating and heat preservation belt, and the control system is connected with the control system; the deep in-situ environment simulation cabin is also internally provided with the temperature sensor, the temperature sensor and the heating and heat preservation belt are respectively connected with the control system, and the deep in-situ environment simulation cabin is internally provided with a temperature medium. By implementing the system, the problems existing in the prior art can be solved, efficient and uniform deep in-situ environment temperature field reconstruction is achieved, multi-point temperature control capable of being remotely operated is provided, the uniformity and stability of a reconstructed temperature field are ensured, and the system is suitable for an ultrahigh-pressure high-temperature environment.

The invention provides a reflow soldering selective temperature control device and method based on neural network PID control, and relates to the technical field of selective temperature control, visual scanning monitoring of distribution of elements with different heat capacities is carried out on a PCB, temperature field data is acquired from visual scanning information, and real-time element size information of a preset key area is extracted; performing control quantity analysis, and outputting the control quantity of the independent temperature control module corresponding to the preset key area; carrying out selective temperature compensation analysis on a preset key area, carrying out selective temperature compensation control according to compensation analysis data, carrying out adjustment analysis on adjustment parameters of a micro heater, carrying out parameter adjustment control on the micro heater according to adjustment analysis data, and obtaining selective temperature control data; dynamic and accurate local temperature compensation can be realized for elements with different heat capacities on the same PCB, so that the temperature difference between the elements is remarkably reduced, and welding defects caused by different heat capacities of large and small elements are avoided.

The utility model relates to a kind of PP three-layer co-extrusion foamed sheet surface skin feeling modification devices, and three extruders, screen changer, metering pump, distributor, die, calendar roll group, multiple guide temperature control roller, cooling setting roller group, traction roller group and cutting mechanism are sequentially provided along assembly line direction.The roller barrel of each temperature control structure involved in the utility model is all adopted double-runner spiral structure, and heat exchange medium flows from the middle to both ends of runner or middle two ends to middle, shortens the flow path of heat exchange medium, improves temperature difference, so as to ensure that the temperature of roller barrel can be stably controlled in predetermined range, so as to improve the quality of skin feeling texture modification on three-layer pp foamed sheet upper layer, so that skin feeling texture is more delicate.

The application provides a control method and system for heating furnace combustion optimization, comprising the following steps: S1, connecting a control station with an original fuel control system through Ethernet, and connecting a control manual channel of the original fuel control system; S2, performing temperature control, using relevant valve experience data and furnace change response data to confirm the change amount of the valve and the temperature change corresponding relationship; S3, using actual temperature field change data to perform operation judgment, and sending an execution signal to the relevant valve through temperature difference calculation selection; S4, completing air flow control by the relevant air valve; and S5, sending a control signal to the original fuel control system to complete control. The application improves the combustion stability of the heating furnace, reduces the high dependence on manual operation experience at present, reduces gas consumption and oxidation loss, has high control precision, fast speed response, stable combustion trend, reasonable air-fuel ratio, low modification difficulty and connection safety.

The application relates to a temperature control method and device, electronic equipment, a storage medium and a program product, relates to the technical field of industrial temperature control, and can improve the steady-state precision and anti-disturbance capability of temperature control. The method comprises the following steps: in response to the reception of a target temperature of a target object, in each control period, updating a state observation result of a previous control period according to a measured temperature of the target object in the current control period and a target control amount of the previous control period, to obtain a state observation result comprising temperature observation information and temperature disturbance information of the current control period; determining target state information of the current control period according to the target temperature and target state information of the previous control period; determining a target control amount of the current control period according to the difference between the target state information and the temperature observation information of the current control period and temperature disturbance information of the current control period; and controlling the target object to adjust the temperature according to the target control amount.

The present invention discloses a battery thermal management system and method for a wind, solar, diesel and sand and wasteland energy storage system, which belongs to the technical field of thermal management of lithium batteries. The method specifically comprises: collecting real-time monitored ambient temperature data and lithium battery pack temperature data; when the wind power generation module, the photovoltaic power generation module and the diesel power generation module collect power and transmit it to the lithium battery pack, judging whether to enable the thermal management strategy according to the current temperature of the lithium battery pack; when the lithium battery pack is discharged to the outside, judging whether to enable the thermal management strategy according to the current temperature of the lithium battery pack; adjusting the temperature of the lithium battery pack in real time according to the thermal management strategy, so that the lithium battery pack is always at the optimal working temperature; the stable performance output of the battery under various environmental conditions can be guaranteed, and the battery can be ensured to operate within the optimal temperature range, thereby improving the efficiency of the entire energy storage system.

The utility model relates to gas detection equipment technical field, the utility model provides a kind of split type gas detector of anti-radiation, including outer bucket, composite bucket for reinforcing structural strength is coaxially sleeved in outer bucket from outside to inside sequentially, first shielding barrel for absorbing neutron and second shielding barrel for shielding gamma ray, gas sensing element is limit installed in second shielding barrel by support, gas diffusion hole that is sequentially penetrated second shielding barrel, first shielding barrel, composite bucket and outer bucket is established in gas sensing element below, and the heat dissipation cavity formed between the outer side wall of first shielding barrel and the inner side wall of second shielding barrel, second shielding barrel is provided with the air inlet pipe and the air outlet pipe being communicated with heat dissipation cavity, air inlet pipe and air outlet pipe are all connected in driven pump, the effective resistance to mixed radiation is realized, adapts complex radiation environment, simultaneously through gas circulation sustained transfer heat dissipation cavity heat, stable control detector internal temperature to meet the demand of radiation scene heat management.

The present invention relates to a main escape engine, which includes an engine body and a connecting mechanism, an ignition device and a plurality of nozzles arranged on the engine body; wherein the engine body includes an outer shell, a temperature control liner and a fuel chamber from the outside to the inside, and the temperature control liner is suitable for heating and / or keeping warm / or cooling the fuel chamber. The structure is simple, and the temperature of the engine is controlled by the temperature control liner integrated with the engine, which saves the cost and resource consumption caused by setting a temperature control device on the outside to control the temperature of the engine, is easy to implement, and has a fast temperature control response and a wide range, thereby realizing efficient and stable control of the engine temperature at a low cost.