Outdoor assembly application device for liquefied gas tank

Abstract

The application relates to an outdoor assembly application device of a liquefied gas tank, and relates to a combustible gas utilization engineering device for improving a safety coefficient of outdoor assembly of a liquefied gas tank. The design idea is mainly to move the liquefied gas tank to the outdoor and increase a security device, so that the liquefied gas is safer in use. The application adopts the technical scheme that the liquefied gas tank is placed on the outdoor ground or hung on the outdoor wall surface; a gas outlet of a control valve of the liquefied gas tank is connected with a gas inlet of a total control valve through a pipeline pipe; a gas outlet of the total control valve is guided into a room through a pressure regulating valve and a pipeline pipe, and is connected with a gas stove; and the total control valve can be controlled to be opened or closed in the room. The application assembles the liquefied gas tank in the outdoor, expands the indoor utilization space, reduces the risk of indoor leakage and overflow of the petroleum liquefied gas, eliminates the risk of aging explosion and combustion of the liquefied gas tank, and improves the safety coefficient of the petroleum liquefied gas utilization.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of combustible gas utilization engineering, in particular to a combustible gas utilization engineering device with improved safety factor for outdoor assembly of liquefied gas tank. BACKGROUND

[0002] At present, natural gas pipelines cannot be popularized in vast rural areas and third and fourth-tier cities, and most of them still use canned liquefied gas as the main fuel for cooking. Placing a liquefied gas tank indoors is actually very risky, especially in hot summer.

[0003] Petroleum liquefied gas itself is flammable and explosive, expands when heated, gasifies, lingers, is electrified, corrosive, and suffocating, and belongs to dangerous chemical flammable goods.

[0004] The liquefied gas tank pipeline and valve will age and break, and once the petroleum liquefied gas spills indoors and reaches a certain concentration, people will inhale it, which will cause light nerve center injury and heavy direct poisoning death.

[0005] If the liquefied gas tank body ages and decays, it may cause deflagration. Liquefied gas tank deflagration has two destructions. First, the tank body breaks, the gas in the tank instantaneously expands 200-300 times, becomes gaseous, produces a strong shock wave, and causes strong impact damage. Secondly, the gaseous petroleum gas quickly mixes with air, and when its concentration in air is reduced to 3-11%, if it meets a naked flame, the entire space will explode and burn, causing a second catastrophic destruction. If people inhale such explosive gas, the respiratory tract and lung tissue will be burned and damaged, which is extremely terrible.

[0006] According to actual measurement, the explosion of a 15 kg liquefied gas tank is equivalent to the power of 150 kg of TNT explosive, and 1 kg of TNT explosive can almost destroy a two-story small building. The explosive power of 150 kg of liquefied petroleum gas can be imagined.

[0007] Therefore, as long as there is an ordinary liquefied gas tank indoors, it is equivalent to placing a 150 kg equivalent of an uncontrolled bomb; with the aging and decay of the liquefied gas tank body and pipeline valves, and lack of maintenance, an uncontrolled disaster may occur at any time.

[0008] If the liquefied gas tank is placed outdoors, it is difficult to reach the deflagration condition because the outdoor space is large. Even if the liquefied gas tank body breaks, the gas instantaneously expands 200-300 times, and the damage caused by the shock wave is much smaller than that indoors. In addition, the liquefied gas will disperse quickly, basically not reaching a concentration of 3-11%, and there are few naked flames outdoors, so the probability of a second explosion and burning is very small. Therefore, if the liquefied gas tank is placed outdoors, the destructive risk will be greatly reduced.

[0009] And our country's liquefied gas tank is almost indoor setting, therefore, design can set up the system device of liquefied gas tank outdoor is necessary. SUMMARY

[0010] The technical problem solved by the present application is to design a liquefied gas tank outdoor assembly device, which is mainly to move the liquefied gas tank to the outdoor and increase the security device to make the liquefied gas use process safer.

[0011] The technical solution adopted by the present application to solve its technical problem is a liquefied gas tank outdoor assembly device, characterized by: the liquefied gas tank is placed on the outdoor ground or hung on the outdoor wall; the gas outlet of the liquefied gas tank control valve is connected with the gas inlet of the total control valve through the pipeline pipe; the gas outlet of the total control valve is guided into the indoor through the pressure regulating valve and the pipeline pipe, and is connected with the gas stove; the opening and closing of the total control valve can be controlled in the indoor.

[0012] As described above, a gas meter is installed between the liquefied gas tank and the total control valve, and a charging port is provided on the control valve or pipeline of the liquefied gas tank; the gas amount of the gas meter is used as the basis for charging, and the liquefied gas tank needs to be replaced frequently, and only needs to be periodically filled with liquefied gas transported from the charging port into the liquefied gas tank.

[0013] As described above, the liquefied gas tank is placed outdoors in the shady place of the yard, and is not easily exposed to sunlight; if it is placed outside the yard or is easily exposed to the sun, the liquefied gas tank needs to be installed with a liquefied gas tank storage box for safety consideration; the storage box can protect the liquefied gas tank and the pipeline pipe from being blown by the wind and exposed to the sun, slow down the aging and decay of the liquefied gas tank, and avoid the problem of theft of the tank body valve.

[0014] As described above, the total control valve is designed as a knob type wall penetrating control valve, including a valve body, a wall penetrating connecting rod and an indoor knob, characterized by: the valve body is composed of a valve shell and a valve core, the valve core is assembled in the valve shell, and the opening and closing of the valve body is controlled by the rotation of the valve core in the valve shell; the valve shell is fixed on the outer wall, the knob is assembled on the indoor wall, and the knob is connected with the valve core of the valve body through the wall penetrating connecting rod; the rotation of the knob in the indoor drives the rotation of the valve core through the wall penetrating connecting rod, thereby completing the opening and closing of the valve body.

[0015] As described above, the total control valve is designed as a push-pull type wall penetrating control valve, including a valve body A, a wall penetrating connecting rod A and an indoor handle, characterized by: the valve body A is composed of a valve shell A and a valve core A, the valve core A is assembled in the valve shell A, the valve shell A is fixed on the outer wall, the indoor handle is assembled on the indoor wall, and the indoor handle is connected with the valve core A of the valve body A through the wall penetrating connecting rod A; the indoor handle is pushed and pulled, which drives the valve core A to act through the wall penetrating connecting rod A, thereby completing the opening and closing of the valve body A.

[0016] As described above, the total control valve is designed as an electric control valve, comprising a valve body B, an electric automatic control valve head, a controller, characterized in that: the valve body B is composed of a valve shell B and a valve core B, the valve core B is assembled in the valve shell B, the valve shell B is fixed on the electric automatic control valve head, the valve core B is engaged with the electric push rod of the electric automatic control valve head, the controller is assembled in the room, the controller controls the positive rotation and reverse rotation of the electric push rod in a wired or wireless manner, thereby driving the positive rotation and reverse rotation of the valve core B, completing the on-off of the valve body B; the electric automatic control valve head matches a sensor connection hole, which can be connected with a gas sensitive probe or a temperature probe, once there is a liquefied gas leakage, the gas sensitive probe transmits a signal to the electric automatic control valve head, the electric automatic control valve head automatically closes the gas path; once the temperature probe senses an abnormal temperature, it will transmit a signal to the electric automatic control valve head, the electric automatic control valve head automatically closes the gas path; the gas sensitive probe and the temperature probe are arranged in the room and the liquefied gas tank storage box.

[0017] As described above, the total control valve is designed as an electric control valve, comprising a valve body B, an electric automatic control valve head, a controller, characterized in that: the valve body B is composed of a valve shell B and a valve core B, the valve core B is assembled in the valve shell B, the valve shell B is fixed on the electric automatic control valve head, the valve core B is engaged with the electric push rod of the electric automatic control valve head, the controller is assembled in the room, the controller controls the positive rotation and reverse rotation of the electric push rod in a wired or wireless manner, thereby driving the positive rotation and reverse rotation of the valve core B, completing the on-off of the valve body B; the electric automatic control valve head matches a sensor connection hole, which can be connected with a gas sensitive probe or a temperature probe, once there is a liquefied gas leakage, the gas sensitive probe transmits a signal to the electric automatic control valve head, the electric automatic control valve head automatically closes the gas path; once the temperature probe senses an abnormal temperature, it will transmit a signal to the electric automatic control valve head, the electric automatic control valve head automatically closes the gas path; the gas sensitive probe and the temperature probe are arranged in the room and the liquefied gas tank storage box.

[0018] As described above, the total control valve is designed as an electric control valve, comprising a valve body B, an electric automatic control valve head, a controller, characterized in that: the valve body B is composed of a valve shell B and a valve core B, the valve core B is assembled in the valve shell B, the valve shell B is fixed on the electric automatic control valve head, the valve core B is engaged with the electric push rod of the electric automatic control valve head, the controller is assembled in the room, the controller controls the positive rotation and reverse rotation of the electric push rod in a wired or wireless manner, thereby driving the positive rotation and reverse rotation of the valve core B, completing the on-off of the valve body B; the electric automatic control valve head matches a sensor connection hole, which can be connected with a gas sensitive probe or a temperature probe, once there is a liquefied gas leakage, the gas sensitive probe transmits a signal to the electric automatic control valve head, the electric automatic control valve head automatically closes the gas path; once the temperature probe senses an abnormal temperature, it will transmit a signal to the electric automatic control valve head, the electric automatic control valve head automatically closes the gas path; the gas sensitive probe and the temperature probe are arranged in the room and the liquefied gas tank storage box.

[0019] As described above, the total control valve can be used for all gas pipelines to achieve indoor control and outdoor cutoff effect, avoiding the overflow of toxic and flammable gas in the room.

[0020] As described above, for the unit with large gas consumption, multiple liquefied gas tanks are used in series; the pressure regulating valve can also be selected to be pre-assembled at the gas outlet of the liquefied gas tank control valve to reduce the internal pressure of the entire gas pipeline; the indoor pipeline is selectively installed with a gas automatic alarm and automatic cut-off device, and a double pipe is pre-assembled in the pipeline of the gas automatic alarm and automatic cut-off device, one end of the double pipe is fixed outside the gas inlet of the gas automatic alarm and automatic cut-off device, and the other end is led out of the room along the pipeline; even if the indoor pipeline is aging and leaks, it will be led out of the room through the double pipe; if the pipeline of the gas automatic alarm and automatic cut-off device is aging and leaks, the gas automatic alarm and automatic cut-off device will alarm and cut off the gas path, ensuring safer indoor use.

[0021] As described above, when the outdoor assembly application device of the liquefied gas tank is used, only the outdoor master control valve needs to be opened indoors, and liquefied gas will enter the room along the pipeline, and the gas stove can be turned on to boil water and cook; after use, the gas stove is turned off, and the outdoor master control valve is closed indoors, which cuts off the gas source outdoors, eliminates the path of toxic petroleum liquefied gas spilling indoors, and ensures safe gas use.

[0022] The beneficial effects of the present application are: the present application assembles the liquefied gas tank outdoors, expands the indoor utilization space, reduces the risk of indoor leakage and spilling of petroleum liquefied gas, eliminates the risk of aging and explosion of the liquefied gas tank, and improves the safety factor of petroleum liquefied gas utilization. BRIEF DESCRIPTION OF DRAWINGS

[0023] The present application will be further described below with reference to the accompanying drawings.

[0024] ATTACHMENT Figure 1 is a structural schematic diagram of the present application.

[0025] ATTACHMENT Figure 2 is a structural schematic diagram of the knob-type wall-penetrating control valve of the present application.

[0026] ATTACHMENT Figure 3 is a structural schematic diagram of the push-pull type wall-penetrating control valve of the present application.

[0027] ATTACHMENT Figure 4 is a structural schematic diagram of the electric control type control valve of the present application.

[0028] ATTACHMENT Figure 5 is a structural schematic diagram of the electric control type wall-penetrating control valve of the present application.

[0029] ATTACHMENT Figure 6 is a schematic diagram of the application of multiple tanks in series.

[0030] ATTACHMENT Figure 7 is a structural schematic diagram of the mechanical hand control mode of the present application.

[0031] In the diagram: 1. Liquefied petroleum gas (LPG) tank; 2. Pipeline; 3. Main control valve; 31. Knob-type through-wall control valve; 311. Valve body; 3111. Valve shell; 3112. Valve core; 3113. Inlet; 3114. Outlet; 312. Through-wall connecting rod; 313. Indoor knob; 32. Push-pull through-wall control valve; 321. Valve body A; 3211. Valve shell A; 3212. Valve core A; 322. Through-wall connecting rod A; 323. Indoor handle; 33. Electrically controlled control valve; 331. Valve body B; 3311. Valve shell B; 3312. Valve core B; 332. Electrically controlled automatic valve head; 3321. Electrical push rod; 3322. Sensor connection hole; 333. Controller; 34. Electrically controlled through-wall control valve; 341. Valve body C; 342. Through-wall connecting rod C; 343. Electrically controlled automatic valve head C; 344. Controller C; 3411. Valve housing C 3412 Valve core C 35 Robotic arm 351 Indoor knob D 352 Universal flexible shaft 353 Engager 4 Gas stove 5 Gas meter 6 Liquefied gas tank storage box 7 Wall 8 Pressure regulating valve 9 Liquefied gas tank control valve 10 Upper shut-off valve 11 Lower shut-off valve 12 Gas filling port 13 Automatic gas alarm and automatic shut-off device 14 Reconnector Implementation

[0032] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0033] like Figure 1 As shown in this embodiment, an outdoor assembly application device for liquefied petroleum gas (LPG) tanks includes an LPG tank storage box 6 fixed to an outdoor wall 7, an LPG tank 1 placed inside the LPG tank storage box 6, and a main control valve 3 also fixed to the inner wall 7 of the LPG tank storage box 6. A through-wall connecting rod 312 enters the room through a wall hole and connects to an indoor knob 313 installed indoors. The outlet of the LPG tank control valve 9 is connected to the inlet of the main control valve 3 via a pipe 2 fitting. The outlet of the main control valve 3 passes through the wall 7 via a pressure regulating valve 8 and a pipe 2 fitting and is introduced into the room, where it is connected to a gas stove 4. The main control valve 3 can be opened and closed indoors by rotating the indoor knob 313.

[0034] In this embodiment, all outdoor pipes 2 and fittings are concealed within the LPG tank storage box 6, protecting the LPG tank 1 and pipes 2 from wind and sun exposure, slowing down their aging and deterioration, and preventing theft of tank valves. To cook, simply rotate the indoor knob 313 to open the outdoor main control valve 3, then turn on the gas stove 4 to start cooking or boiling water. Once the food is cooked, turn off the gas stove 4 and simultaneously rotate the indoor knob 313 back to close the outdoor main control valve 3.

[0035] In this embodiment, after the oil liquefied gas in the liquefied gas tank 1 is used up, only need to open the lock on the liquefied gas tank storage box 6, take out the liquefied gas tank 1 to refill liquefied petroleum gas or replace the liquefied gas tank 1; then put the full gas liquefied gas tank 1 into the liquefied gas tank storage box 6, connect the pipeline 2, and lock the liquefied gas tank storage box 6.

[0036] In this embodiment, each time after the gas is used up, the outdoor total control valve 3 is cut off in the room, so that the liquefied gas is prevented from escaping into the room from the source; the liquefied gas tank 1 pipeline 2 even if a small leakage occurs in the outdoor, will be dispersed in the atmosphere through the ventilation hole of the liquefied gas tank storage box 6, which does not directly harm to people. Even if the liquefied gas tank 1 is aging and burst, the liquefied gas will quickly escape from the ventilation hole of the liquefied gas tank storage box 6 to the atmosphere, and in the absence of open flame, there will be no serious damage of deflagration. In addition, the outdoor air circulation is fast, and the oil liquefied gas is not easy to reach the deflagration proportion concentration. Therefore, for single household residents, this embodiment is a good implementation.

[0037] As shown in Figure 2 The total control valve 3 in the liquefied gas tank outdoor assembly application device of this embodiment is a rotary knob type wall control valve 31. The total control valve 3 is designed as a rotary knob type wall control valve 31, which includes a valve body 311, a wall connecting rod 312, and an indoor knob 313. The valve body 311 is composed of a valve shell 3111 and a valve core 3112. The valve core 3112 is assembled in the valve shell 3111 and controls the on-off of the valve body 311 by rotating back and forth in the valve shell 3111. The valve shell 3111 is fixed on the outer wall, and the indoor knob 313 is assembled on the indoor wall. The indoor knob 313 is connected with the valve core 3112 of the valve body 311 through the wall connecting rod 312. Rotating the indoor knob 313 in the room will drive the valve core 3112 to rotate through the wall connecting rod 312, thereby completing the on-off of the valve body 311.

[0038] In this embodiment, the rotary knob type wall control valve 31 is a mechanical control valve, which realizes the function of controlling the on-off of the valve body 311 in the outdoor from the indoor, and is the least likely to make mistakes. By rotating the indoor knob 313 clockwise and counterclockwise, the outdoor gas circuit is controlled.

[0039] As shown in Figure 3As shown, this embodiment describes an implementation of the main control valve 3 in an outdoor assembly application device for liquefied gas tanks, specifically a push-pull through-wall control valve 32. The main control valve 3 is designed as a push-pull through-wall control valve 32, including a valve body A321, a through-wall connecting rod A322, and an indoor handle 323. The valve body A321 consists of a valve shell A3211 and a valve core A3212. The valve core A3212 is installed inside the valve shell A3211, which is fixed to the outer wall. The indoor handle 323 is installed on the inner wall and is connected to the valve core A3212 of the valve body A321 via the through-wall connecting rod A322. Pushing or pulling the indoor handle 323 indoors will cause the valve core A3212 to move via the through-wall connecting rod A322, thereby completing the opening and closing of the valve body A321.

[0040] In this embodiment, the push-pull through-wall control valve 32 is also a mechanical control valve, enabling the valve body A321 to control the air passage opening and closing from inside the room, and is less prone to errors. By pushing and pulling the indoor handle 323, the valve core A3212 changes position within the valve body A3211, thus opening and closing the air passage to the outside.

[0041] like Figure 4 As shown, this embodiment illustrates an implementation of the main control valve 3 in an outdoor assembly application device for liquefied gas tanks, specifically an implementation of an electrically controlled valve 33. The main control valve 3 is designed as an electrically controlled valve 33, comprising a valve body B331, an electrically operated automatic valve head 332, and a controller 333. The valve body B331 consists of a valve housing B3311 and a valve core B3312. The valve core B3312 is assembled within the valve housing B3311, and the valve housing B3311 is fixed to the electrically operated automatic valve head 332. The valve core B3312 engages with the electric push rod 3321 of the electrically operated automatic valve head 332. The controller 333 is installed indoors, and controls the forward and reverse rotation of the electric push rod 3321 via wired or wireless means. This drives the valve core B3312 to rotate forward and backward, completing the opening and closing of the valve body B331; the electric automatic control valve head 332 is matched with the sensor connection hole 3322, which can be connected to a gas sensor or a temperature sensor. Once there is a liquefied gas leak, the gas sensor transmits a signal to the electric automatic control valve head 332, and the electric automatic control valve head 332 automatically closes the gas circuit; once the temperature sensor detects an abnormal temperature, it will transmit a signal to the electric automatic control valve head 332, and the electric automatic control valve head 332 will automatically close the gas circuit; the gas sensor and the temperature sensor are installed indoors and in the liquefied gas tank storage box 6.

[0042] In this embodiment, the electrically controlled valve 33 is an automatic intelligent control valve. Its assembly position is further forward, directly mounted on the liquefied gas tank control valve 9, which results in a higher safety factor. Its intelligence is higher, mainly reflected in its ability to match temperature probes and gas-sensitive probes. Its automation is higher, mainly reflected in the fact that the controller 333 can control from a greater distance.

[0043] As Figure 5 The embodiment of the total control valve 3 in the outdoor assembly application device of the liquefied gas tank, i.e. the electric control type wall-penetrating control valve 34, is shown in the figure. The total control valve 3 is designed as the electric control type wall-penetrating control valve 34, which comprises a valve body C341, a wall-penetrating connecting rod C342, an electric self-control valve head C343, and a controller C344. The valve body C341 is composed of a valve shell C3411 and a valve core C3412, the valve core C3412 is assembled in the valve shell C3411, the valve shell C3411 is fixed on the outdoor wall 7, the electric self-control valve head C343 is assembled on the indoor wall 7, the electric push rod of the electric self-control valve head C343 is connected with the valve core C3412 outside through the wall-penetrating connecting rod C342; the controller C344 is assembled indoors or integrated with the electric self-control valve head C343, the controller C344 controls the action of the electric push rod through wired or wireless mode, thereby driving the valve core C3412 to act through the wall-penetrating connecting rod C342, completing the on-off of the valve body C341; the electric self-control valve head C343 matches the inductor connecting hole, which can be connected with the gas-sensitive probe or temperature probe. Once there is leakage of liquefied gas, the gas-sensitive probe transmits the signal to the electric self-control valve head C343, which automatically closes the gas path; once the temperature probe senses abnormal temperature, it will transmit the signal to the electric self-control valve head C343, which will automatically close the gas path; the gas-sensitive probe and the temperature probe can be assembled indoors and in the liquefied gas tank storage box 6.

[0044] In this embodiment, the electric control type wall-penetrating control valve 34 belongs to an intelligent control valve, which is highly intelligent, mainly reflected in the ability to match the temperature probe and the gas-sensitive probe.

[0045] As Figure 6 The outdoor assembly application device of the liquefied gas tank of the embodiment is shown in the figure. For units with large gas consumption, such as schools, hospitals and other units, multiple liquefied gas tanks 1 can be selected to be connected in series for use; a gas meter 5 is installed between the liquefied gas tank 1 and the total control valve 3, and a filling port 12 is arranged on the liquefied gas tank control valve 9 or the pipeline 2; the gas amount of the gas meter 5 is used as the basis for charging to avoid frequent replacement of the liquefied gas tank 1.

[0046] In this embodiment, when the liquefied gas is close to exhaustion, the management personnel only need to connect the shipped liquefied gas through the filling pipe with the filling port 12 on the liquefied gas tank 1, then close the upper stop valve 10 and open the lower stop valve 11, and the liquefied gas is injected into the liquefied gas tank 1 through the filling port 12; after filling, the lower stop valve 11 is closed, the upper stop valve 10 is opened, the filling pipe is removed, and all the liquefied gas tanks 1 are filled in turn. In this way, the heavy labor of replacing the liquefied gas tank 1 is avoided, and the safety is also improved. For units with large gas consumption, this embodiment is a good implementation.

[0047] AsFigure 7 As shown in the figure, the embodiment of the total control valve 3 in the liquefied gas tank outdoor assembly application device is that the mechanical hand 35 controls the liquefied gas tank control valve 9 instead of the total control valve 3. The mechanical hand 35 comprises an indoor knob D351, a universal flexible shaft 352, and an engaging device 353. The indoor knob D351 is assembled on the indoor wall 7, the indoor knob D351 is connected with the universal flexible shaft 352, the universal flexible shaft 352 is led out of the wall 7 through a wall hole, the other end of the universal flexible shaft 352 is connected with the fixed engaging device 353, the engaging device 353 is engaged with the liquefied gas tank control valve 9 outdoors. The indoor knob D351 is rotated indoors, the liquefied gas tank control valve 9 is driven to rotate through the universal flexible shaft 352 and the engaging device 353, and the on-off control of the liquefied gas tank control valve 9 is realized.

[0048] In the embodiment, when the liquefied gas tank 1 is replaced or the liquefied gas is filled, the service personnel only need to open the lock of the liquefied gas tank storage box 6, pull out the engaging device 353 above the liquefied gas tank control valve 9, disassemble the connecting pipeline 2, take out the liquefied gas tank 1, replace the liquefied gas tank 1 filled with gas, or fill the empty liquefied gas tank 1 with liquefied gas and reassemble it into the liquefied gas tank storage box 6, and connect the pipeline 2 and the engaging device 353.

[0049] In the embodiment, the indoor pipeline 2 selectively installs the gas automatic alarm and automatic cut-off device 13, the front pipeline 2 of the gas automatic alarm and automatic cut-off device 13 is assembled with a duplicate pipe 14, the duplicate pipe 14 is sleeved on the pipeline 2, one end is fixed outside the gas inlet of the gas automatic alarm and automatic cut-off device 13, and the other end is led out of the outdoor with the pipeline 2. Even if the indoor pipeline 2 is aging and leaking, it will be led out of the outdoor through the duplicate pipe 14. If the rear pipeline 2 of the gas automatic alarm and automatic cut-off device 13 is aging and leaking, the gas automatic alarm and automatic cut-off device 13 will alarm and cut off the gas path, so as to ensure the safety of the indoor.

[0050] It should be understood that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them. For those skilled in the art, the technical solutions described in the above embodiments can be modified, or some technical features can be replaced by equivalents; all these modifications and replacements shall belong to the protection scope of the appended claims of the present application.

Claims

1. A device for outdoor assembly of a liquefied gas tank, characterized in that: The liquefied gas tank is placed on the ground or hung on the wall outside; the gas outlet of the liquefied gas tank control valve is connected with the gas inlet of the total control valve through the pipeline pipe, the gas outlet of the total control valve is guided into the room through the pressure regulating valve and the pipeline pipe, and is connected with the gas stove; the opening and closing of the total control valve can be controlled indoors; the total control valve is designed as an electric control type control valve, which comprises a valve body B, an electric self-control valve head and a controller; the valve body B is composed of a valve shell B and a valve core B, the valve core B is assembled in the valve shell B, the valve shell B is fixed on the electric self-control valve head, the valve core B is engaged with the electric push rod of the electric self-control valve head, and the controller is assembled indoors; the controller controls the positive rotation and reverse rotation of the electric push rod in a wired or wireless manner, thereby driving the forward rotation and reverse rotation of the valve core B, completing the on-off of the valve body B; the electric self-control valve head is matched with a sensor connecting hole, which can be connected with a gas sensitive probe or a temperature probe; once there is liquefied gas leakage, the gas sensitive probe transmits a signal to the electric self-control valve head, and the electric self-control valve head automatically closes the gas path; once the temperature probe senses abnormal temperature, it transmits a signal to the electric self-control valve head, and the electric self-control valve head automatically closes the gas path; the gas sensitive probe and the temperature probe are arranged in the room and the liquefied gas tank storage box; the indoor pipeline is provided with a gas automatic alarm and automatic cut-off device.

2. The apparatus according to claim 1, wherein: A gas meter is installed between the liquefied gas tank and the total control valve, and a gas filling port is arranged on the control valve or pipeline of the liquefied gas tank; the gas amount of the gas meter is used as the basis for charging, so that the liquefied gas tank needs to be replaced frequently, and only the liquefied gas carried by the liquefied gas tank needs to be injected into the liquefied gas tank through the gas filling port.

3. The apparatus according to claim 1, wherein: For units with large gas consumption, multiple liquefied gas tanks are connected in series for use; the pressure regulating valve can also be pre-assembled at the gas outlet of the liquefied gas tank control valve to reduce the internal pressure of the entire gas pipeline.

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