26 results about "Propane gas" patented technology

A haz gas detection system includes a haz gas sensor and a controller. The haz gas sensor generates an output indicative of a measured concentration of a gas fuel in an airflow vented from a gas turbine enclosure. The controller is communicatively coupled to the haz gas sensor and receives the output from the haz gas sensor; compares the output of the haz gas sensor to a first threshold, wherein the first threshold is determined for operation of the haz gas sensor with methane gas; receives a valve control signal indicative of a propane valve being open; compares the output of the haz gas sensor to a second threshold, wherein the second threshold is determined for operation of the haz gas sensor with propane gas; and in response the determining that the output of the haz gas sensor exceeds the second threshold, generates an alarm, generates instructions to shut down the gas turbine system, or both.

The utility model provides a linkage control heptafluoropropane gas fire extinguishing device, and belongs to the technical field of fire extinguishing. Comprising a storage tank, and a lifting assembly and a rotary spraying assembly are arranged on the outer wall of the storage tank; the lifting assembly comprises a top plate installed at the top of the storage tank, a first motor is fixedly assembled at the bottom of the top plate, and a first driving wheel is fixedly assembled at the top end of an output shaft of the first motor. The first motor drives the first driving wheel to rotate, the first driving wheel rotates to drive the first driven wheel to rotate, the first driven wheel rotates to drive the four sets of gears to rotate, the gears rotate on the outer wall of the screw to drive the screw to move longitudinally, and the screw moves longitudinally to drive the bottom plate to move longitudinally. And finally, the storage tank and the rotary spraying assembly are driven to change the height, so that the height of the device can be adjusted according to different building inner floor heights, and the fire extinguishing effect of the fire extinguishing device is guaranteed.

This invention provides a power generation device based on the cold energy of a cryogenic propane tank, comprising a liquefied propane vaporizer, a propane heater, an intermediate medium vaporizer, a turbine generator set, and a dimethylamine circulating pump. The tube-side inlet of the liquefied propane vaporizer is connected to a cryogenic storage tank containing propane. The tube-side outlet of the liquefied propane vaporizer is connected to the tube-side inlet of the propane heater, and the tube-side outlet of the propane heater is connected to a propane pipeline network. Dimethylamine, after passing through the dimethylamine circulating pump, is connected to the tube-side inlet of the intermediate medium vaporizer. The tube-side outlet of the intermediate medium vaporizer is connected to the inlet of the turbine generator set, and the outlet of the turbine generator set is connected to the shell-side inlet of the liquefied propane vaporizer. The shell-side outlet of the liquefied propane vaporizer is connected to the inlet of the dimethylamine circulating pump. This invention achieves dual-sided cascaded energy recovery from cold to heat. Compared to traditional direct seawater heating schemes, the net power generation is increased.

The utility model relates to the technical field of reflux devices, and discloses a gas reflux device for propane filling, which comprises a propane steel cylinder, one side of the propane steel cylinder is fixedly communicated with a gas inlet pipe, and the front side of the propane steel cylinder is fixedly communicated with an exhaust pipe. An air pressure monitor for detecting the internal air pressure of the propane steel cylinder is mounted on the propane steel cylinder; the first return pipe is fixedly communicated with the other side of the propane steel cylinder; the filter box is fixedly installed on the outer side of the propane steel cylinder, the top of the filter box is fixedly communicated with one end of the first backflow pipe, and the filter box is designed to be of an open structure. According to the gas backflow device for propane filling, when propane gas passes through the filter box, a filter screen can filter the gas, impurities such as solid particles, oil stains and dust in the gas are effectively removed, and the gas backflow effect is improved; the filtering function ensures that the gas flowing back to the return tank is kept highly pure, so that the internal cleanness of the equipment is maintained, and abrasion and pollution caused by impurities are avoided.

A propane gas-utilizing system includes a housing having propane gas and a propane leakage prevention material having a catalyst, scavenger, and / or oxidizer of the propane gas arranged in the housing and including at least one of (a) an oxide material having at least one composition of formula (I): Ru1-xMxO2 (I), where 0<x≤0.1 and M is Ag, K, Pt, Rh, or Ir, or (b) an oxide material having at least one composition of formula (II): Co3-xMxO4 (II), where 0<x≤0.3, and M is Pd, Cu, or Sr, or (c) an oxide material having at least one composition of formula (III): MM′xOy (III), where x is a stoichiometric ratio of M′ to M, 0≤x≤1.5, y is a stoichiometric ratio of O to M, 1≤y≤3, M is an alkali metal, and M′ (if x>0) is Y, Ce, Nb, Ta, La, Nd, Mn, Ag, Au, or Cr.

The utility model relates to the technical field of propane gasification, in particular to a propane gasification system which comprises a shell-and-tube heat exchanger, and the shell-and-tube heat exchanger is connected with a tube pass fluid inlet tube, a tube pass fluid outlet tube, a shell pass fluid inlet tube and a shell pass fluid outlet tube. A coil pipe is wound outside the shell-and-tube heat exchanger, one end of the coil pipe is connected with a steam pipe, and the other end of the coil pipe is connected with a tube pass fluid inlet pipe. A coil pipe shut-off valve and a coil pipe adjusting valve are arranged on the coil pipe; by arranging the coil pipe, steam is introduced into the coil pipe, on the basis that circulating water in a tube pass heats liquid-state alanyl ammonia, the steam can be used for heating the liquid-state alanyl ammonia, the steam can be mixed with the circulating water after being condensed, and the temperature of the circulating water is increased after mixing; finally, the evaporation effect of the liquid propane is enhanced.

The utility model belongs to the technical field of valves, and provides a container valve for a heptafluoropropane gas fire extinguishing device, which comprises a valve body, a valve core, a valve core and a valve core, the valve element is provided with an opening position and a closing position; two ends of the first spring are respectively connected with the valve core and the valve body; the pressing cap is hollow, the two ends of the pressing cap are open, the pressing cap is arranged at one end of the valve element and fixedly connected with the valve body, an inflation cavity is defined by the pressing cap, the valve element and the valve body, and the side, facing the valve element, of the pressing cap tightly presses the sealing membrane; the mounting base is arranged on the side, away from the valve element, of the pressing cap; the puncture needle is arranged on the side, away from the valve element, of the sealing membrane; the first driving assembly is arranged on the mounting seat; and the emergency driving assembly is arranged on the mounting seat, and the emergency driving assembly is in transmission connection with the puncture needle. The container valve for the heptafluoropropane gas fire extinguishing device is simple in structure, and when the first driving assembly breaks down, the container valve can be opened through the emergency driving assembly.

The invention relates to the technical field of data test processing, and discloses a fire characteristic parameter simulation test platform comprising a gas supply system used for providing stable propane gas supply; the burner system is used for completing automatic ignition and generation of a fire scene according to the control signal; the measuring system comprises various sensors including a thermocouple, a thermocouple tree, a heat flow meter, a camera and an anemometer; the data acquisition and processing system is used for processing the fire characteristic parameters in real time and constructing a database; the safety guarantee system monitors the concentration of combustible gas in the environment in real time, triggers an alarm signal when the concentration is abnormal and transmits the alarm signal to the combustion control system; and the combustion control system drives the combustor system to adjust the gas flow and the valve opening degree in real time. Fire scene simulation and data acquisition and analysis can be completed on the same platform at the same time, the flame scale, the combustion intensity and the duration time can be accurately adjusted under the control system, the experiment safety risk is greatly reduced, and the experiment is more environmentally friendly, safer and controllable.

The invention relates to a movable heptafluoropropane foam fire extinguishing device which comprises a cart, a foam storage tank, a foam mixer and a heptafluoropropane mixer are arranged in the cart, a water inlet, a foam inlet and a foam liquid outlet are formed in the foam mixer, the water inlet can be detachably connected with a fire hose, and the foam liquid outlet can be detachably connected with a water outlet. The foam inlet is connected with the foam storage tank, the heptafluoropropane mixer is provided with a heptafluoropropane inlet, a foam liquid inlet and a mixed liquid outlet, the foam liquid inlet is connected with the foam liquid outlet, a placement cabinet is embedded in the cart, a heptafluoropropane gas storage bottle is detachably arranged in the placement cabinet, and the heptafluoropropane gas storage bottle is connected with the heptafluoropropane gas storage tank. The heptafluoropropane inlet is connected with a heptafluoropropane gas storage bottle, and the placement cabinet can slide between a first position and a second position. The heptafluoropropane foam fire extinguishing system is carried on the cart and can move according to the diffusion condition of a fire disaster, fire fighting is convenient, the heptafluoropropane gas storage bottle can be replaced by pulling out the containing cabinet, and use is convenient.

The invention discloses an energy-gathered air cannon for eliminating the influence of freezing rain on power grid safety, and belongs to the technical field of power grid deicing equipment. The energy-gathered air cannon comprises a detonation chamber, a launch canister, a gas supply system, an electrical system and a chassis, wherein the detonation chamber is used for realizing gas detonation to generate shock waves; the launching cylinder adopts a horn mouth form, so that the airflow directionality is enhanced; the gas supply system is used for mixing air and propane gas in proportion through double-path gas supply and then conveying the mixture to the detonation chamber; and an electrical system adopts alternating current 380V power supply, supports wireless remote control, and can monitor the state of equipment in real time. Deicing is realized based on shock wave mechanics and a vibration effect, and the device has the advantages of lossless cleaning, high efficiency, rapidness, safety, reliability, environmental protection, energy conservation and high adaptability, can customize launch canisters for different key equipment of a power grid, is stable in operation and flexible in control, effectively solves the problem of icing of the power grid in freezing rain weather, is suitable for various power grid scenes, and has a wide application prospect.

The invention relates to the technical field of fluid fuel, and discloses a combustion energy-saving method for utilizing crude propane gas, which comprises the following steps: filtering fuel, filtering sulfur impurities, nitrate impurities and particle impurities in dye by using a filtering device, optimizing a combustor, adjusting the internal structure of a combustion chamber of the combustor, and simulating the environment. The method comprises the steps of environment simulation model establishment, combustion simulation, combustion simulation model establishment, air mixing ratio adjustment, combustion process monitoring, waste heat recovery and combined heat and power generation. During use, the real combustion process can be simulated through combustion simulation and environment simulation, so that people can verify the optimization effect through a preset simulation program after optimizing and adjusting the combustor, and meanwhile, the optimization effect of the combustor can be verified according to different combustion environments. And an environment template established in the environment simulation module can be directly called for verification, so that the optimized crude propane burner can be ensured to be normally used in different environments.

The invention discloses a lithium battery thermal runaway and propane gas explosion characteristic equivalent measuring device and method, and belongs to the technical field of thermal runaway tests.The device comprises a battery explosion cabin, a gas explosion cabin and a data terminal, and a heating device for heating a battery to be measured is arranged in the battery explosion cabin; the first thermocouple is used for measuring the ambient temperature in the cabin; the first pressure sensor is used for measuring the internal ambient pressure; the gas explosion cabin is connected with the battery explosion cabin through a ventilation pipeline, and a second thermocouple used for measuring the internal environment temperature of the gas explosion cabin and a second pressure sensor used for measuring the internal pressure of the gas explosion cabin are arranged in the gas explosion cabin; the gas explosion cabin is also connected with a vacuum pump, a high-pressure propane gas cylinder and a high-pressure air cylinder; and the data terminal is used for recording thermal runaway explosion characteristic parameters and propane gas explosion parameters of the gas explosion cabin under different concentrations. According to the invention, equivalent measurement of explosion characteristics of thermal runaway gas and propane gas of the aviation lithium battery can be realized.

The utility model discloses a heptafluoropropane gas fire extinguishing device capable of automatically alarming, which belongs to the technical field of heptafluoropropane gas fire extinguishing devices, and adopts the technical scheme that the heptafluoropropane gas fire extinguishing device comprises a fixing frame, a device body is arranged in the fixing frame, and a pressure gauge is arranged on the surface of the device body; a pressure column, a pointer, a warning mechanism and a fixing mechanism are arranged in the pressure gauge, and an alarm bell frame is arranged in the fixing frame; the warning mechanism comprises a mounting column, a fixing rod, a bent frame, a trigger switch and a trigger, the rear side of the mounting column extends into the pressure column and is in threaded connection with the interior of the pressure column, and the top of the fixing rod extends into the mounting column and is fixedly connected with the interior of the mounting column. And whether the reading of the pressure gauge of the container is in a normal range needs to be checked regularly, so that a worker needs to spend a lot of time to check the reading one by one, and the efficiency is relatively low.

The invention relates to the field of catalysts, and discloses a gas-phase dehydrochlorination catalyst and application thereof. The catalyst takes a carbon nanotube as a carrier, and the surface of the catalyst is plated with non-noble metals such as copper, nickel or cobalt. The preparation method comprises the steps of purification of the carbon nanotubes, sensitization and activation, chemical plating and the like, and the plating solution has a specific composition ratio. The catalyst is used for catalyzing 2-chloro-1, 1, 1, 2-tetrafluoropropane gas phase dehydrochlorination to prepare 2, 3, 3, 3-tetrafluoropropene, under the mild conditions of 200-400 DEG C, normal pressure and air speed of 10-1000 h <-1 >, the highest raw material conversion rate of 52.76% and the highest target product selectivity of 98.42% can be achieved, and the catalyst is good in stability and long in service life. The method has the advantages of low reaction temperature, low energy consumption, high selectivity, recyclable raw materials, low cost and the like.

The utility model discloses a pipe network type heptafluoropropane gas fire extinguishing device, which belongs to the technical field of fire protection equipment, and comprises a storage box, the middle end of the inside of the storage box is fixedly connected with a partition plate, the two sides of the inside of the storage box are both fixedly connected with supporting plates, one side of the upper surface of each supporting plate is fixedly connected with a fixed clamping ring, and the other side of the upper surface of each supporting plate is fixedly connected with a movable clamping ring. And a clamping assembly is fixedly connected to the other side of the upper surface of the supporting plate, a heptafluoropropane storage bottle is arranged on the upper surface of the supporting plate, a connecting opening is fixedly connected to the upper end of the heptafluoropropane storage bottle, and a connecting assembly is arranged on the upper surface of the storage box. Through the arrangement of the clamping assembly, the stability of the storage bottle in the device is ensured, a user can conveniently and rapidly fix or release the heptafluoropropane storage bottle, the time for replacing the storage bottle is shortened, meanwhile, the device is simple in structure, convenient to operate and simple and rapid in daily maintenance and repair, the maintenance cost is reduced, and the working efficiency is improved. The device is suitable for various places needing gas fire extinguishing.

The invention relates to the technical field of preparation of gas separation membranes, and discloses a preparation method of a PIMs / MOFs mixed matrix membrane, the prepared PIMs / MOFs mixed matrix membrane and application of the PIMs / MOFs mixed matrix membrane. The invention relates to a preparation method of a PIMs / MOFs mixed matrix membrane, which comprises the following steps: (1) carrying out hydrolysis activation treatment on a matrix membrane PIM-CN to obtain an activated membrane PIM-COOH; (2) the activated membrane PIM-COOH is in contact with a metal salt solution for ion exchange, a polymer membrane PIM-COOX is obtained, and X is a metal element; and (3) contacting the polymer film PIM-COOX with an organic ligand solution to carry out an in-situ synthesis reaction, and then carrying out first drying. The method can effectively inhibit the interface defect introduced by the traditional solution membrane casting method, and obviously improve the propylene / propane gas separation performance.

The invention belongs to the field of ethylene and related technologies, and discloses a dryer regeneration system and method for gas raw material cracking. The system comprises a gas cracking raw material pipeline, a regeneration gas heat exchange unit, a distribution unit, a dryer user and a regeneration gas treatment unit. Methane / hydrogen tail gas or hydrogen-rich tail gas generated by conventional cracking is not used, circulating ethane generated by a cracking device and raw material ethane gas and raw material propane gas of the device are adopted as regeneration gas, the hydrogen-rich gas can be kept at high pressure and directly used as raw material gas of a PSA hydrogen concentration device, power consumption of a compressor of a PSA unit is reduced, and the energy consumption of the PSA unit is reduced. And the energy consumption of the whole device is reduced while more hydrogen products are produced as byproducts.

1. Name of the product in this design: Propane Monitoring Sensor (Vehicle-mounted). 2. Purpose of this design: To monitor the concentration of propane gas generated after a leak in a new type of refrigerant generator in an automotive air conditioning system, and to provide an alarm to the vehicle when the concentration reaches a warning value. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The application provides a rare earth cluster metal organic framework material for propylene / propane gas separation and a preparation method thereof. The chemical formula of the rare earth cluster metal organic framework material is RE a X b K2L c (H2O) d wherein RE is a rare earth metal element, X is halogen, and L is a tetracarboxylic acid organic ligand; wherein a is greater than 2, b is greater than or equal to 4, c is greater than or equal to 2, and d is greater than or equal to 2; and the structure center of the rare earth cluster metal organic framework material is a hexanuclear rare earth cluster. The application provides a rare earth cluster metal organic framework material with a specific structure, so that the material has a high adsorption separation ratio and a volume propylene adsorption amount, and can be used as a high-efficiency gas adsorbent for separating propylene and propane.

The present application provides a kind of polymer reducing material for gas pressure welding, when the gas pressure welding of reinforcing steel etc.is carried out, even in the case of using the propane gas that is inferior to the fire power of acetylene gas, it can be heated with standard flame from the initial heating stage in a way that sufficient fire power can be obtained, and the residue generation of pressure welding part is inhibited, while realizing the strength sufficient pressure welding.Polymer reducing material (A1) for gas pressure welding includes: cover body (1), thermoplastic resin material, and is the bottomed cylindrical body that can be externally embedded in the pressure welding side end of the material to be pressure welded, gas barrier ring (2), is integrally arranged in the bottom (12) of cover body (1), thermosetting resin material, and has the required diameter, and reducing sheet (3), thermoplastic resin material, sandwiching gas barrier ring (2) between the bottom (12) of cover body (1), the diameter is the same as or greater than gas barrier ring (2);Reducing ring (5) of polyimide resin material is wound on the outer peripheral portion of the laminated portion of reducing sheet (3).

A haz gas detection system includes a haz gas sensor and a controller. The haz gas sensor generates an output indicative of a measured concentration of a gas fuel in an airflow vented from a gas turbine enclosure. The controller is communicatively coupled to the haz gas sensor and receives the output from the haz gas sensor; compares the output of the haz gas sensor to a first threshold, wherein the first threshold is determined for operation of the haz gas sensor with methane gas; receives a valve control signal indicative of a propane valve being open; compares the output of the haz gas sensor to a second threshold, wherein the second threshold is determined for operation of the haz gas sensor with propane gas; and in response the determining that the output of the haz gas sensor exceeds the second threshold, generates an alarm, generates instructions to shut down the gas turbine system, or both.

The utility model discloses an argon blowing water gap sealing performance detection device, which comprises a water gap mechanism and an argon blowing detection mechanism, the water gap mechanism is arranged on a base, the water gap mechanism is composed of an upper water gap, a lower water gap jacket and a lower water gap, the lower water gap jacket is sleeved on the lower water gap, the upper water gap is arranged on the upper side of the lower water gap jacket, and the argon blowing detection mechanism is arranged on the upper side of the lower water gap jacket. And the argon blowing detection mechanism is arranged on the edge of the lower nozzle outer sleeve. According to the utility model, ignition is carried out after a propane gas pipe is inserted into the argon blowing detection mechanism, and the sealing effect of the nozzle is detected by observing the flame shape and size of the nozzle bowl mouth circular seam.

The utility model discloses a sweating cooling material fire resistance testing device which comprises a fire supply system, a sample system, a cooling system and a data acquisition system, the fire supply system is located right in front of the sample system, the sample system is communicated with the cooling system through a water delivery pipe, and the data acquisition system is located in front of the sample system. The data acquisition system is electrically connected with the sample system; the fire supply system comprises an oxygen cylinder, a propane cylinder, a gas mass flow meter and a burner, the oxygen cylinder and the propane cylinder are respectively communicated with the gas mass flow meter through a first gas pipeline, and the gas mass flow meter is communicated with the burner through a second gas pipeline. By adopting the fire resistance testing device for the sweating cooling material, the relationship among variable high-temperature flame heat flow, cooling water flow and the temperature of the back surface of the test piece can be obtained.

The utility model relates to the technical field of protective clothing performance testing, and provides a gas supply system for testing a combustion dummy under a flashover condition, which comprises a gas storage device and a gas outlet device which are connected through a main pipeline, the gas outlet device comprises a gas distribution cylinder connected to a gas outlet end of the main pipeline, and the gas distribution cylinder is respectively connected with gas inlet ends of a plurality of first branch pipes; the gas outlet ends of the first branch pipes are connected with the fuel gas outlet adjusting assembly, and buffer gas bottles are arranged on the first branch pipes; the gas storage device comprises a collecting pipe, a nitrogen gas storage tank and a propane gas storage tank, the nitrogen gas storage tank and the propane gas storage tank are connected with the collecting pipe through a pressure regulating pipeline, and the collecting pipe is used for being connected with the gas inlet end of the main pipeline. According to the gas supply system for testing the combustion dummy under the flashover condition, the gas distribution cylinder is connected with the plurality of buffer gas bottles, so that the problems that a large pressure container is complex in examination and approval, high in installation cost and needs annual examination every year are effectively solved, and popularization and application of the gas supply system for testing the combustion dummy under the flashover condition are facilitated.

The utility model discloses an external pressure storage type heptafluoropropane gas fire extinguishing device, which belongs to the technical field of fire extinguishing devices, and adopts the technical scheme that the external pressure storage type heptafluoropropane gas fire extinguishing device comprises a support base, the top of the support base is fixedly connected with a fixing mechanism, and the rear side of the fixing mechanism is fixedly connected with a pop-up mechanism; a storage steel cylinder body is fixedly connected to the inner side of the fixing mechanism, the fixing mechanism is clamped with a clamping groove in a matched mode through a clamping rod, rapid clamping and fixing of the storage steel cylinder body are achieved, when disassembly is needed, the clamping rod can be separated from the clamping groove by pulling a pull rod, operation is easy, convenient and rapid, and the practicability is high. The problem that an existing device is troublesome to mount and dismount during steel cylinder storage is solved, the working efficiency is improved, after clamping fixation of a storage steel cylinder body is relieved, a pressure spring in the ejection mechanism can generate forward thrust on a clamping plate, so that the storage steel cylinder body is pushed to be ejected forwards by a certain distance, workers can take out the storage steel cylinder body conveniently, and the labor intensity of workers is relieved. And the dismounting process is further simplified.

A tank carrier includes a base member, a backstop, and a pair of support members. The pair of support members extend between the base member and the backstop to form an angled support to solidify an orientation between the base member and the backstop. A lower saddle strap and an upper saddle strap each extend between the pair of support members and are configured to separate from each other between the plurality of support members to extend around a tank. A latch, having a pin, is configured to selectively secure the upper saddle strap to at least one of the pair of support members.