CN211371915U - Energy release device and system of liquid gas storage tank - Google Patents

Energy release device and system of liquid gas storage tank Download PDF

Info

Publication number
CN211371915U
CN211371915U CN201922087786.6U CN201922087786U CN211371915U CN 211371915 U CN211371915 U CN 211371915U CN 201922087786 U CN201922087786 U CN 201922087786U CN 211371915 U CN211371915 U CN 211371915U
Authority
CN
China
Prior art keywords
gas
valve body
pressure
release
storage tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201922087786.6U
Other languages
Chinese (zh)
Inventor
王栋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201922087786.6U priority Critical patent/CN211371915U/en
Application granted granted Critical
Publication of CN211371915U publication Critical patent/CN211371915U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

An energy release device and system for a liquid gas storage tank relate to the technical field of storage and transportation of gas tanks. Wherein the energy release device of the liquid gas storage tank comprises: the release valve body is communicated with the gas outlet of the storage tank and is used for supplying gas with the gas pressure of P0 to the release device and primarily releasing the energy of the gas with the gas pressure of P0 to reduce the pressure to P1; one end of the piston valve body is communicated with the release valve body and is used for releasing the energy of the gas with the gas pressure of P1 again to reduce the pressure to P2 and realize the static pressure balance of the gas in the release device; and the check valve body is communicated with the piston valve body at one end and the air inlet of the storage tank at the other end, and is used for releasing the energy of the gaseous gas with the pressure of P2 again to reduce the pressure to P3 and prevent the gaseous gas from flowing back. By adopting the technical scheme, the gas storage tank has the advantages of reducing the gas evaporation rate, ensuring the stability of the storage tank and prolonging the storage time of the liquid gas.

Description

Energy release device and system of liquid gas storage tank
Technical Field
The utility model relates to a gas pitcher warehousing and transportation technical field, concretely relates to energy release, system of liquid gas storage tank.
Background
Controlling the emission of pollutants is a common general consensus among all people today with increasing emphasis on environmental hygiene. The use of green energy is proposed to the agenda. Hydrogen as an energy source has incomparable advantages: the combustion heat value of hydrogen is high, and the energy of hydrogen per kilogram after combustion is about 3 times that of gasoline, 3.9 times that of alcohol and 4.5 times that of coke; the product of hydrogen combustion is water, and has zero pollution to the environment; hydrogen reserves on earth are extremely abundant (prepared from seawater) and are renewable and recyclable. Therefore, hydrogen is the most ideal energy source for human beings, and is widely concerned by countries all over the world. Hydrogen energy, now considered to be the ultimate solution for mankind to solve the future energy crisis, as well as the most effective way to solve the current environmental problems.
From the preparation of hydrogen to the specific application of hydrogen, the storage of hydrogen is an indispensable link, but because hydrogen is a flammable and explosive substance, how to safely, cheaply and store hydrogen for a long time becomes the key for hydrogen energy utilization. Hydrogen (especially high-pressure hydrogen) can be stored in a tank, the filling and discharging speed is high, the basic energy consumption is low, the manufacturing economy of the storage tank is high, and the hydrogen storage tank is one of effective ways for storing hydrogen, but the density of the hydrogen at room temperature and normal atmospheric pressure is extremely low, and the hydrogen can be applied to vehicles only by improving the density storage. There are two methods to increase density: compression: it is now common practice to compress the hydrogen to 35 mpa or 70 mpa. This requires a high strength storage tank and therefore the weight of the tank far exceeds that of hydrogen, in the 1 ton hydrogen 10 ton tank. In addition, 35/70 MPa is a very high pressure gas, which is very dangerous for storage and transportation. Liquefaction: the hydrogen gas is cooled to-252 ℃ to obtain liquefied hydrogen gas, and the density of the liquefied hydrogen gas is 845 times of that of the liquefied hydrogen gas at the normal temperature. The shortcoming is that receive ambient temperature's influence, liquid hydrogen can evaporation gasification, because ambient temperature is higher than the inside temperature of storage tank, the heat always introduces into the storage tank by external environment to make liquid gas be gasified after being heated, the inflation forms the high pressure in the storage tank, seriously threatens storage tank safety, thereby has restricted liquefied hydrogen's save time and transportation distance, consequently need improve liquefied gas storage jar.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first aim at to prior art's defect and not enough, provide an energy release of liquid gas storage tank, have the advantage that reduces the gas evaporation rate, ensures that the storage tank is stable, prolongs liquid gas's save time.
In order to achieve the above object, the utility model adopts the following technical scheme: an energy release device for a liquid gas storage tank, comprising: the release valve body is communicated with the gas outlet of the storage tank and is used for supplying gas with the gas pressure of P0 to the release device and primarily releasing the energy of the gas with the gas pressure of P0 to reduce the pressure to P1; one end of the piston valve body is communicated with the release valve body and is used for releasing the energy of the gas with the gas pressure of P1 again to reduce the pressure to P2 and realize the static pressure balance of the gas in the release device; and the check valve body is communicated with the piston valve body at one end and the air inlet of the storage tank at the other end, and is used for releasing the energy of the gaseous gas with the pressure of P2 again to reduce the pressure to P3 and prevent the gaseous gas from flowing back.
The utility model discloses a further setting, the release valve body includes: releasing the valve body: the first release chamber is arranged in the release valve body, and one end of the first release chamber is provided with a gas inlet; a first compression chamber disposed within the relief valve body; a first valve shaft with one end slidably fitted in the first compression chamber and the other end inserted in the first release chamber; the first valve plate is arranged at one end of the first valve shaft and used for abutting against the gas inlet; and the first spring is arranged in the first compression chamber, abuts against the first valve shaft, and is used for driving the first valve plate to abut against the gas inlet when the pressure of the gas inlet is smaller than a set value and compressing the first valve plate when the pressure of the gas inlet is larger than or equal to the set value so as to enable the first valve plate to be far away from the gas inlet.
The utility model discloses a further setting, the piston valve body includes: a piston valve body; a cylinder sleeve having one end connected to the first release chamber; a piston slidably mounted within the cylinder sleeve; and a second compression chamber provided in the piston valve body in a sliding direction of the piston; a plurality of vent holes communicated with the check valve body are formed in the radial direction of the cylinder sleeve; and a second spring, one end of which is abutted to the piston, is arranged in the second compression chamber and used for driving the piston to close the vent hole when the pressure in the first release chamber is smaller than a set value and compressing the piston to open the vent hole when the pressure in the first release chamber is larger than or equal to the set value.
The utility model discloses a further setting, the non return valve body includes: a check valve body; a third release chamber provided in the check valve body and having one end connected to the vent hole and the other end provided with a gas outlet;
a third valve shaft with one end slidably fitted to the check valve body and the other end inserted into the third release chamber; the third valve plate is arranged at the end part of the third valve shaft and is abutted against one end, close to the vent hole, of the third release chamber; and a third spring abutting between the third valve plate and the check valve body, for driving the third valve plate to close the third release chamber when the pressure at the vent hole is less than a set value, and compressing the third valve plate to open the third release chamber when the pressure at the vent hole is greater than or equal to the set value.
In the utility model, a gap is arranged between the piston and the cylinder sleeve; when the gas inlet is closed, the pressure of the gaseous gas in the first release chamber is reduced, the piston is reset under the action of the second spring, and in the resetting process, the gaseous gas in the first release chamber penetrates through the gap and enters the check valve body through the vent hole to realize the static pressure balance of the gas in the release device.
The utility model discloses a further setting, the setting value of first spring > the setting value of second spring > the setting value of third spring.
A second object of the present invention is to provide an energy release system for a liquid gas storage tank, which comprises a plurality of energy release devices for the liquid gas storage tank; the energy release devices of the liquid gas storage tanks are connected in series or in parallel.
After the technical scheme is adopted, the utility model discloses beneficial effect does:
1. the utility model provides an energy release of gaseous storage tank of liquid, utilize the law of conservation of energy, the gas outlet at the storage tank connects gradually the release valve body, piston valve body and check valve body, carry out energy preliminary release to gaseous atmospheric pressure by the release valve body, the piston valve body carries out energy secondary release to gaseous atmospheric pressure, the check valve body carries out energy cubic release to gaseous atmospheric pressure, make gaseous gas in the in-process of overcoming the spring acting, convert gaseous energy (heat) volume into the potential energy of spring, thereby reduce gaseous pressure, the external heat of spreading into of discharge, in order to reduce the gas evaporation rate, and then prolong liquid gaseous save time.
2. The utility model provides an energy release system of liquefied gas storage tank can be according to the capacity condition of the pressure of gas and storage tank, and the energy release device of liquefied gas storage tank more than will establishes ties or parallelly connected use according to different pressure to reach best energy release effect, thereby have stronger suitability, effectively solve among the prior art liquefied gas gasification of being heated, the inflation forms the high pressure in the storage tank, threatens the problem of storage tank safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic diagram of the present invention in which the pressure P0 of the gaseous gas at the gas inlet is less than the first spring setting;
fig. 2 is a schematic structural diagram of the present invention when the pressure P0 of the gaseous gas at the gas inlet is greater than or equal to the first spring setting value.
Description of reference numerals: 01. a gas inlet; 02. a gas outlet; 1. releasing the valve body; 11. a relief valve body; 12. a first compression chamber; 13. a first valve shaft; 14. a first valve plate; 15. a first spring; 16. A first release chamber; 2. a piston valve body; 21. a piston valve body; 22. a cylinder sleeve; 23. a piston; 24. A second compression chamber; 25. a vent hole; 26. a second spring; 27. a gap; 3. a check valve body; 31. a check valve body; 32. a third release chamber; 33. a third valve shaft; 34. a third valve plate; 35. and a third spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment as required without making a contribution, but all the embodiments are protected by the patent law within the scope of the claims of the present invention.
The present embodiment relates to an energy release device for a liquid gas storage tank, as shown in fig. 1, comprising: the device comprises a release valve body 1 communicated with an air outlet of a storage tank, a piston valve body 2 communicated with the release valve body 1, and a check valve body 3, wherein one end of the check valve body 3 is communicated with the other end of the piston valve body 2 and is communicated with an air inlet of the storage tank, the release valve body 1 is used for supplying gaseous gas with the air pressure of P0 to a release device, and the gaseous gas with the air pressure of P0 is subjected to energy primary release to reduce the pressure to P1; the piston valve body 2 is used for releasing the energy of the gaseous gas with the gas pressure of P1 again to reduce the pressure to P2 and realize the static pressure balance of the gas in the releasing device; the check valve body 3 is used for carrying out the energy with the gaseous state gas that atmospheric pressure is P2 and releases once more and makes pressure drop for P3 to prevent the check valve body 3 of gaseous state gas backward flow, thereby the reasonable and orderly carries out the energy release to gaseous state gas, is consumed by the part with the energy in the gaseous state gas, therefore passes to the gaseous heat energy of outside and converts the potential energy of spring into, and then reduces the gas evaporation rate, improves the storage tank security, does benefit to the save time of extension liquid gas storage tank.
As shown in fig. 1 and 2, the relief valve body 1 includes: the relief valve body 11: a first release chamber 16 provided in the release valve body 11 and having a gas inlet 01 formed at one end thereof; a first compression chamber 12 provided in the relief valve body 11; a first valve shaft 13 having one end slidably fitted in the first compression chamber 12 and the other end inserted in the first release chamber 16; a first valve plate 14 provided at one end of the first valve shaft 13 and abutting against the gas inlet 01; and a first spring 15 disposed in the first compression chamber 12 and abutting against the first valve shaft 13, wherein when the pressure of the gas inlet 01 is smaller than a set value of the first spring 15, the first spring 15 drives the first valve plate 14 to abut against the gas inlet 01, as shown in fig. 2, when the pressure of the gas inlet 01 is greater than or equal to the set value of the first spring 15, the first valve plate 14 is pushed by the gaseous gas, so that the first spring 15 is compressed to make the first valve plate 14 far away from the gas inlet 01, thereby releasing the gaseous gas into the first release chamber 16, and meanwhile, in the process of pushing the first valve plate 14, the gaseous gas needs to overcome the elastic force of the first spring 15 to do work, thereby converting the potential energy of the gas into the potential energy of the spring, so that the gaseous gas with the gas pressure of P0 is subjected to energy release to reduce the pressure to P1.
As shown in fig. 1, the piston valve body 2 includes: a piston valve body 21; a cylinder sleeve 22 having one end connected to the first relief chamber 16; a piston 23 slidably fitted in the cylinder sleeve 22; and a second compression chamber 24 provided in the piston valve body 21 in the sliding direction of the piston 23; a plurality of vent holes 25 communicated with the check valve body 3 are radially arranged on the cylinder sleeve 22; a second spring 26 is provided in the second compression chamber 24 to abut against the piston 23, and when the pressure in the first release chamber 16 is smaller than a set value of the second spring 26, the second spring 26 drives the piston 23 to close the vent hole 25, as shown in fig. 2, when the pressure in the first release chamber 16 is greater than or equal to the set value of the second spring 26, the piston 23 is pushed by the gaseous gas in the first release chamber 16, so that the second spring 26 is compressed, after the piston 23 is continuously pushed and moved by the distance "L", the vent 25 is opened, and the second spring 26 is compressed to the shortest, meanwhile, the gaseous gas needs to overcome the elastic force of the second spring 26 to do work in the process of pushing the piston 23 to move, further converting the potential energy of the gas into the potential energy of the spring, so that the gaseous gas with the gas pressure of P1 is released to reduce the pressure to P2, and then enters the check valve body 3 through the vent hole 25.
As shown in fig. 1 and 2, the check valve body 3 includes: a check valve body 31; a third release chamber 32 provided in the check valve body 31 and having one end connected to the vent hole 25 and the other end provided with a gas outlet 02; a third valve shaft 33 having one end slidably fitted to the check valve body 31 and the other end inserted into the third relief chamber 32; a third valve plate 34 provided at an end of the third valve shaft 33 and abutting on an end of the third relief chamber 32 close to the vent hole 25; and a third spring 35 abutting between the side wall of the check valve body 31 and the third valve plate 34, when the pressure at the vent hole 25 is smaller than the set value of the third spring 35, the third spring 35 drives the third flap 34 to close the connection passage of the third release chamber 32 and the vent hole 25, when the pressure at the vent 25 is greater than or equal to the set value of the third spring 35, the third flap 34 is pushed by the gaseous gas at the vent 25, so that the third spring 35 is compressed, the gaseous gas enters the third release chamber 32, meanwhile, the gaseous gas, while pushing the third valve plate 34, needs to overcome the elastic force of the third spring 35 to do work, the potential energy of the gas is further converted into the potential energy of the spring, so that the gaseous gas with the gas pressure of P2 is subjected to energy release to reduce the pressure to P3, and is discharged into the storage tank through the gas outlet 02 on the third release chamber 32.
In the present embodiment, the set value of the first spring 15 > the set value of the second spring 26 > the set value of the third spring 35. And the setting values of the first spring 15, the second spring 26 and the third spring 35 can be selected according to the gas pressure and the capacity of the storage tank, and after the gaseous gas passes through the release valve body 1, the piston valve body 21 and the check valve body 3 in sequence, the gaseous gas can partially discharge the heat transferred to the liquid gas storage tank from the outside and smoothly enter the bottom of the liquid gas storage tank for reliquefaction, so that the stability of the liquid gas in the storage tank is ensured.
It should be noted that, as shown in fig. 1, a gap 27 is provided between the piston 23 and the cylinder sleeve 22, when the gas inlet 01 is closed, the pressure of the gaseous gas in the first release chamber 16 is reduced, the piston 23 is reset under the action of the second spring 26, and during the resetting process, the gaseous gas in the first release chamber 16 enters the check valve body 3 through the vent hole 25 through the gap 27 to realize the static pressure balance of the gas in the release device. In the present embodiment, the check valve body 31, the relief valve body 11, and the piston valve body 21 are made of low temperature resistant materials.
Therefore, after the gaseous gas in the third release chamber 32 smoothly enters the liquid gas storage tank, the gaseous gas pressure P0 is reduced, when the gaseous gas is lower than the set value of the first spring 15, the first spring 15 drives the first valve plate 14 to close the gas inlet, at this time, the gaseous gas pressure P1 is reduced, and when the gaseous gas is lower than the set value of the second spring 26, the second spring 26 pushes the piston 23 to move towards one end of the first release chamber 16, and the vent hole 25 is closed; at this time, the residual gas in the first release chamber 16 permeates into the vent hole 25 through the gap 27 between the piston 23 and the cylinder sleeve 22 during the return of the piston 23 and is discharged through the vent hole 25, and when the piston 23 is pushed to the end closest to the first release chamber 16, the static pressure balance of the internal gas is achieved.
At this time, the pressure P2 of the gas is gradually decreased, and when it is lower than the set value of the third spring 35, the third spring 35 pushes the third flap 34 to close the third discharging chamber 32, preventing the discharged gas from flowing back, i.e. completing the entire energy discharging operation, and when the pressure of the gas inlet 01 is again greater than or equal to the set value of the first spring 15, the energy discharging device of the liquid gas storage tank enters the second energy discharging operation.
In order to further improve the applicability of the device, the embodiment also relates to an energy release system of the liquid gas storage tank, which comprises a plurality of energy release devices of the liquid gas storage tank, wherein the energy release devices of the liquid gas storage tank are connected in series or in parallel. Specifically, according to the gas pressure or the storage tank capacity, the energy release devices of the liquid gas storage tanks with appropriate number can be selected to be connected in series or in parallel, so as to achieve the optimal energy release effect.
Based on the energy release device for the liquid gas storage tank, the embodiment further relates to an energy release method for the liquid gas storage tank, and the method includes:
s1, when the gas pressure P0 at the gas inlet 01 is larger than or equal to the set value of the first spring 15, the gaseous gas overcomes the first spring 15 to push the first valve plate 14 to enter the release valve body 1, and meanwhile, partial energy is converted into potential energy of the first spring 15, so that the pressure of the gaseous gas is reduced to P1;
s2, when the pressure P1 of the gaseous gas in the first release chamber 16 is larger than or equal to the set value of the second spring 26, the gaseous gas overcomes the second spring 26 to push the piston 23 to slide along the cylinder barrel until the vent hole 25 is opened, and at the moment, partial energy is converted into the potential energy of the second spring 26, so that the pressure of the gaseous gas is reduced to P2;
s3, when the pressure P2 of the gaseous gas in the vent hole 25 is larger than or equal to the set value of the third spring 35, the gaseous gas overcomes the work of the third spring 35 and pushes the third valve sheet 34 to enter the check valve body 3, and at the moment, partial energy is converted into the potential energy of the third spring 35, so that the pressure of the gaseous gas is reduced to P3 and the gaseous gas enters the liquid gas storage tank through the gas outlet 02;
s4, after partial gas is discharged, the pressure P0 of the gas is reduced, and when the pressure is lower than the set value of the first spring 15, the first spring 15 drives the first valve plate 14 to close the gas inlet 01;
s5, the pressure P1 of the gas decreases, when the pressure is lower than the set value of the second spring 26, the second spring 26 pushes the piston 23 to move towards one end of the first release chamber 16, and the vent hole 25 is closed;
s6, the gas with the residual pressure P1 in the first release chamber 16 permeates into the vent hole 25 through the clearance 27 between the piston 23 and the cylinder sleeve 22 and is discharged through the vent hole 25, and when the piston 23 is pushed to be close to one end of the first release chamber 16, the balance is achieved;
s7, at this time, the pressure of the gaseous gas P2 is gradually decreased, and when it is lower than the set value of the third spring 35, the third spring 35 pushes the third flap 34 to close the third relief chamber 32, preventing the discharged gaseous gas from flowing backward.
The working principle of the utility model is as follows: the utility model discloses in utilize the law of conservation of energy, gas outlet at the storage tank connects gradually release valve body 1, piston valve body 2 and non return valve body 3, carry out energy preliminary release to gaseous state atmospheric pressure by release valve body 1, piston valve body 2 carries out energy secondary release to gaseous state atmospheric pressure, non return valve body 3 carries out energy cubic release to gaseous state atmospheric pressure, make gaseous state gas in the in-process of overcoming the spring acting, can (heat) the volume conversion of gas be the potential energy of spring, thereby reduce gaseous state gas's pressure, the external heat of spreading into of discharge, with reduce the gas evaporation rate, and then prolong liquid gaseous save time. The energy release devices of the liquid gas storage tank can be used in series or in parallel according to different pressure settings according to the pressure of gas and the capacity of the storage tank, so that the optimal energy release effect is achieved, the liquid gas storage tank has high applicability, and the problem that the liquid gas is heated, gasified and expanded to form high pressure in the storage tank and threaten the safety of the storage tank in the prior art is effectively solved.
The above description is only for the purpose of illustration and not limitation, and other modifications or equivalent replacements made by those skilled in the art to the technical solution of the present invention should be covered by the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims (7)

1. An energy release device for a liquid gas storage tank, comprising: the release valve body (1) is communicated with the gas outlet of the storage tank and is used for supplying gas with the gas pressure of P0 to the release device and primarily releasing the energy of the gas with the gas pressure of P0 to reduce the pressure to P1;
one end of the piston valve body (2) is communicated with the release valve body (1) and is used for releasing the energy of the gas with the gas pressure of P1 again to reduce the pressure to P2 and realize the static pressure balance of the gas in the release device; and the number of the first and second groups,
and the check valve body (3) is communicated with the gas inlet of the storage tank at one end of the piston valve body (2) and at the other end of the piston valve body is used for releasing the energy of the gas with the gas pressure of P2 again to reduce the pressure to P3 and prevent the backflow of the gas.
2. An energy release device for a liquid gas storage tank according to claim 1, characterized in that said release valve body (1) comprises: relief valve body (11):
a first release chamber (16) which is arranged in the release valve body (11) and one end of which is provided with a gas inlet (01);
a first compression chamber (12) provided in the relief valve body (11);
a first valve shaft (13) with one end slidably fitted in the first compression chamber (12) and the other end inserted in the first release chamber (16);
the first valve plate (14) is arranged at one end of the first valve shaft (13) and is used for being abutted against the gas inlet (01); and the number of the first and second groups,
the first spring (15) is arranged in the first compression chamber (12), abuts against the first valve shaft (13), is used for driving the first valve plate (14) to abut against the gas inlet (01) when the pressure of the gas inlet (01) is smaller than a set value, and compresses when the pressure of the gas inlet (01) is larger than or equal to the set value so as to enable the first valve plate (14) to be far away from the gas inlet (01).
3. An energy release device for a liquid gas storage tank according to claim 2, characterized in that said piston valve body (2) comprises: a piston valve body (21);
a cylinder sleeve (22) having one end connected to the first release chamber (16);
a piston (23) slidably fitted within the cylinder sleeve (22); and the number of the first and second groups,
a second compression chamber (24) provided in the valve body (21) of the piston (23) in the sliding direction of the piston (23);
a plurality of vent holes (25) communicated with the check valve body (3) are formed in the radial direction of the cylinder sleeve (22);
and a second spring (26) which is provided in the second compression chamber (24), has one end abutting against the piston (23), and is used for driving the piston (23) to close the vent hole (25) when the pressure in the first release chamber (16) is less than a set value, and compressing the piston (23) to open the vent hole (25) when the pressure in the first release chamber (16) is greater than or equal to the set value.
4. An energy release device for a liquid gas storage tank according to claim 3, wherein said check valve body (3) comprises: a check valve body (31);
a third release chamber (32) provided in the check valve body (31), and having one end connected to the vent hole (25) and the other end provided with a gas outlet (02);
a third valve shaft (33) having one end slidably fitted to the check valve body (31) and the other end inserted into the third relief chamber (32);
a third valve plate (34) which is arranged at the end part of the third valve shaft (33) and is used for being abutted against one end of the third release chamber (32) close to the vent hole (25); and the number of the first and second groups,
and a third spring (35) abutted between the third valve plate (34) and the check valve body (31) and used for driving the third valve plate (34) to close the third release chamber (32) when the pressure at the vent hole (25) is smaller than a set value, and compressing the third valve plate (34) to open the third release chamber (32) when the pressure at the vent hole (25) is larger than or equal to the set value.
5. The energy release device for a liquid gas storage tank according to claim 3, wherein a clearance (27) is provided between the piston (23) and the cylinder sleeve (22);
when the gas inlet (01) is closed, the pressure of the gaseous gas in the first release chamber (16) is reduced, the piston (23) is reset under the action of the second spring (26), and in the resetting process, the gaseous gas in the first release chamber (16) penetrates through the gap (27) and enters the check valve body (3) through the vent hole (25) so as to realize the static pressure balance of the gas in the release device.
6. An energy release device for a liquid gas storage tank according to claim 4, characterized in that the set value of said first spring (15) > the set value of said second spring (26) > the set value of said third spring (35).
7. An energy release system for a liquid gas storage tank, comprising a plurality of energy release devices for a liquid gas storage tank according to any one of claims 1 to 6; the energy release devices of the liquid gas storage tanks are connected in series or in parallel.
CN201922087786.6U 2019-11-27 2019-11-27 Energy release device and system of liquid gas storage tank Active CN211371915U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922087786.6U CN211371915U (en) 2019-11-27 2019-11-27 Energy release device and system of liquid gas storage tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922087786.6U CN211371915U (en) 2019-11-27 2019-11-27 Energy release device and system of liquid gas storage tank

Publications (1)

Publication Number Publication Date
CN211371915U true CN211371915U (en) 2020-08-28

Family

ID=72172760

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922087786.6U Active CN211371915U (en) 2019-11-27 2019-11-27 Energy release device and system of liquid gas storage tank

Country Status (1)

Country Link
CN (1) CN211371915U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110836329A (en) * 2019-11-27 2020-02-25 王栋 Energy release device, system and method for liquid gas storage tank

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110836329A (en) * 2019-11-27 2020-02-25 王栋 Energy release device, system and method for liquid gas storage tank
CN110836329B (en) * 2019-11-27 2021-08-27 王栋 Energy release method of liquid gas storage tank

Similar Documents

Publication Publication Date Title
CN108443010B (en) Oxygen direct injection pure hydrogen combustion engine and power system thereof
CN201487536U (en) Metal hydride hydrogen storage device with safeguarding structure
CN201306286Y (en) Double-screw liquefied gas pump by-pass valve
CN209943030U (en) Hydraulically-driven two-stage continuous booster-type ultrahigh-pressure hydrogen compressor main engine
CN109505666A (en) A kind of jet expansion compound compression air energy storage systems
CN111706414B (en) Quasi-isobaric discharge isothermal compression energy storage system and method utilizing condensable gas phase change
CN209586452U (en) A kind of jet expansion compound compression air energy storage systems
CN211371915U (en) Energy release device and system of liquid gas storage tank
CN101781692B (en) Blast-furnace coal powder injection method and system thereof
CN100451438C (en) Automatic gasifying and gas adding device for energy saving type gasifying natural gas
CN102650373B (en) L-CNG (Liquid-Compressed Natural Gas) skid-mounted device without energy consumption
CN110836329B (en) Energy release method of liquid gas storage tank
CN201034242Y (en) Energy-saving liquefied natural gas automatically gasifying and aerating means
CN114576070A (en) Pumped storage energy-saving system based on air compression technology
CN114704764A (en) Staged filling control method and system for hydrogen filling station
CN108469196B (en) High-temperature gas waste heat utilization system
CN102425725A (en) System and method for reclaiming boil off gas (BOG) in liquefied natural gas (LNG) storage tank
CN203115497U (en) Residual gas recovery device for liquefied natural gas tanker
CN202149353U (en) Evaporation gas recycling system of liquefied natural gas transfer station
CN207687667U (en) A kind of differential LNG loading systems
CN116538427A (en) Liquid cooling hydrogen storage tank and hydrogen storage tank anticollision structure
CN201819001U (en) Secondary fueling station, and pipeline system and control system of secondary fueling station
CN212298527U (en) Boil-off gas recovery system of hydrogenation station
CN212080864U (en) Hydrogenation station pipeline system for filling with double pressures by using single compressor
CN212584719U (en) Hydrogen storage system for compressed hydrogen

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant