CN220616994U - Air extraction device for liquid storage tank - Google Patents
Air extraction device for liquid storage tank Download PDFInfo
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- CN220616994U CN220616994U CN202322316437.3U CN202322316437U CN220616994U CN 220616994 U CN220616994 U CN 220616994U CN 202322316437 U CN202322316437 U CN 202322316437U CN 220616994 U CN220616994 U CN 220616994U
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- air
- outlet pipe
- air outlet
- fixedly arranged
- liquid storage
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- 239000007788 liquid Substances 0.000 title claims abstract description 42
- 238000000605 extraction Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 12
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to the technical field of liquid storage tanks, and provides an air extraction device for a liquid storage tank. Through above-mentioned technical scheme, solved among the prior art directly through the pressure valve, to the outside pressure release exhaust, the air extraction efficiency is lower, and polluted air, the problem of extravagant resource. Through setting up air extraction mechanism, when jar body inner chamber because of liquid volatilizees pressure increase, gaseous entering first outlet duct extrudees first piston, makes first spring compression, and first piston moves up, makes first outlet duct and second outlet duct switch on, simultaneously, and first connecting rod drives the spacing ring and moves up, makes the spacing ring break away from the switch, and the switch action is in closed state, and air exhauster and condenser begin to work for gaseous circulation in the second outlet duct is extracted to jar body, improves exhaust efficiency.
Description
Technical Field
The utility model relates to the technical field of liquid storage tanks, in particular to an air extraction device for a liquid storage tank.
Background
The steel sealing container for storing liquid is a liquid steel storage tank, steel storage tank engineering is an essential and important infrastructure in industries such as petroleum, chemical industry, grain and oil, food, fire protection, traffic, metallurgy and the like, and the liquid storage tank with a large size is always kept away from the economic life of people, so that the important role played by the liquid storage tank in national economic development is irreplaceable. With the continuous development of the storage tank industry in front of the eyes, more and more industries and enterprises use the storage tank, more and more enterprises enter the storage tank industry, the liquid storage tank is special equipment for storing various liquid raw materials and finished products, and the liquid storage tank cannot be normally produced without the storage tank for many enterprises.
When the liquid storage tank is used for storing volatile liquid such as oil liquid, the volatilization of the liquid is increased along with the temperature rise, so that the pressure in the tank is increased, and therefore, a pressure valve is required to be arranged at the upper part of the storage tank to remove the pressure in the tank body, so that the tank body is prevented from being damaged; however, the existing liquid storage tank air extraction device generally directly passes through a pressure valve, and after the inside of the tank body reaches a certain pressure, pressure relief and air exhaust are performed to the outside, so that the air extraction efficiency is low, air is polluted, and resources are wasted.
Disclosure of Invention
The utility model provides an air extraction device for a liquid storage tank, which solves the problems that the existing air extraction device for the liquid storage tank in the related art generally directly passes through a pressure valve, and after the inside of the tank reaches a certain pressure, the pressure is released and exhausted to the outside, the air extraction efficiency is low, the air is polluted, and the resource is wasted.
The technical scheme of the utility model is as follows:
the utility model provides an air extraction device for a liquid storage tank, which comprises a base, a tank body and an air extraction mechanism, wherein the tank body is fixedly arranged on the upper part of the base, and the air extraction mechanism comprises
The first air outlet pipe is fixedly arranged at the upper part of the tank body and communicated with the inner cavity of the tank body, and the side wall of the first air outlet pipe is communicated with the second air outlet pipe;
the first piston is slidably arranged in the inner cavity of the first air outlet pipe;
the first sliding seat is fixedly arranged at the upper part of the first air outlet pipe;
the first connecting rod is fixedly arranged on the upper part of the first piston, one end of the first connecting rod is fixedly provided with a limiting ring, and the limiting ring is in sliding connection with the first sliding seat;
the exhaust fan is fixedly arranged on the upper part of the second air outlet pipe, and the output end of the exhaust fan is communicated with the second air outlet pipe.
In a preferred scheme, a first spring is fixedly arranged on the upper portion of the first piston, the other end of the first spring is fixedly connected with a first air outlet pipe, and a first sealing ring is fixedly arranged in the inner cavity of the first air outlet pipe.
In a preferred scheme, a switch is fixedly arranged on the side wall of the first sliding seat, the switch is normally closed, and the action end of the switch extends into the inner cavity of the first sliding seat.
In a preferred scheme, the side wall of the first air outlet pipe is communicated with an air inlet pipe, a second piston is slidably arranged in the inner cavity of the air inlet pipe, and a second sliding seat is fixedly arranged on the upper portion of the air inlet pipe.
In a preferred scheme, a second connecting rod is fixedly arranged on the upper portion of the second piston, the upper portion of the second connecting rod is in sliding connection with a second sliding seat, a second spring is fixedly arranged on the upper portion of the second piston, the other end of the second spring is fixedly connected with an air inlet pipe, and a second sealing ring is fixedly arranged in the inner cavity of the air inlet pipe.
In a preferred scheme, the lower part of the air inlet pipe is fixedly provided with a gas collecting hood, and the inner cavity of the gas collecting hood is detachably provided with a filter screen.
In a preferred scheme, the upper part of the tank body is fixedly provided with a condenser, the condenser is communicated with the second air outlet pipe, a one-way valve is communicated between the condenser and the tank body, and the one-way valve is conducted to the inner cavity of the tank body in a one-way mode.
In a preferred scheme, the upper part of the tank body is communicated with a feed inlet, and the side wall of the tank body is communicated with a discharge outlet.
The working principle and the beneficial effects of the utility model are as follows:
1. according to the utility model, the air extraction mechanism is arranged, when the volatilization pressure of liquid in the inner cavity of the tank body is increased, air enters the first air outlet pipe to extrude the first piston, so that the first spring is compressed, the first piston moves upwards, the first air outlet pipe is communicated with the second air outlet pipe, meanwhile, the first connecting rod drives the limiting ring to move upwards, the limiting ring is separated from the switch, the switch is in a closed state, the exhaust fan and the condenser start to work, the air circulation in the second air outlet pipe is accelerated, the tank body is extracted, and the air exhaust efficiency is improved.
2. According to the utility model, the condenser is arranged, so that volatile gas enters the condenser through the first air outlet pipe and the second air outlet pipe, the condenser condenses the discharged gas into liquid, and then the liquid is re-injected into the tank body through the one-way valve, thereby avoiding air pollution and saving resources.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of a front view in cross section according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of FIG. 2B according to an embodiment of the present utility model;
FIG. 4 is a perspective view of an embodiment of the present utility model;
fig. 5 is a perspective view of an air extraction mechanism according to an embodiment of the present utility model.
In the figure: 1. a base; 2. a tank body; 3. an air extraction mechanism; 301. a first air outlet pipe; 302. a second air outlet pipe; 303. an air inlet pipe; 304. a first piston; 305. a first sliding seat; 306. a first link; 307. a first spring; 308. a first seal ring; 309. a limiting ring; 310. a switch; 311. an exhaust fan; 312. a second piston; 313. a second sliding seat; 314. a second link; 315. a second spring; 316. a second seal ring; 317. a gas collecting hood; 318. a filter screen; 4. a condenser; 5. a one-way valve; 6. a feed inlet; 7. and a discharge port.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1-5, this embodiment provides an air extraction device for a liquid storage tank, including a base 1, a tank 2 and an air extraction mechanism 3, the tank 2 is fixedly installed on the upper portion of the base 1 and is used for storing liquid, the air extraction mechanism 3 includes a first air outlet pipe 301, a first piston 304, a first sliding seat 305, a first connecting rod 306 and an exhaust fan 311, the first air outlet pipe 301 is fixedly installed on the upper portion of the tank 2, the first air outlet pipe 301 is communicated with the inner cavity of the tank 2 and is used for exhausting volatile gas in the inner cavity of the tank 2, the pressure of the tank 2 is kept stable, the side wall of the first air outlet pipe 301 is communicated with a second air outlet pipe 302, the first piston 304 is slidably installed in the inner cavity of the first air outlet pipe 301 and is used for sealing the first air outlet pipe 301, the first sliding seat 305 is fixedly installed on the upper portion of the first air outlet pipe 301 and is used for connecting the first connecting rod 306, the first connecting rod 306 is fixedly installed on the upper portion of the first piston 304, one end of the first connecting rod 306 is fixedly installed with a limit ring 309 and is used for driving the switch 310 to limit the first connecting rod 306, the limit ring 309 is slidably connected with the first sliding seat 305 and is used for exhausting volatile gas in the inner cavity of the tank 2, the first air outlet pipe 302 is fixedly installed on the upper portion of the exhaust fan 311 and is electrically connected with the second air outlet pipe 311 and is externally connected with the second air outlet pipe 302 and is used for externally connecting the air outlet fan and accelerating the output of the air pump 2.
As shown in fig. 1 to 5, based on the same concept as that of the above embodiment 1, a first spring 307 is fixedly installed on the upper portion of the first piston 304, for driving the first piston 304, the other end of the first spring 307 is fixedly connected with the first air outlet pipe 301, a first sealing ring 308 is fixedly installed in the inner cavity of the first air outlet pipe 301, the sealing effect is increased, under the action of the first spring 307, the first piston 304 is driven to move downwards and abut against the first sealing ring 308, a switch 310 is fixedly installed on the side wall of the first sliding seat 305, for controlling the exhaust fan 311 and the condenser 4, the switch 310 is normally closed, the action end of the switch 310 stretches into the inner cavity of the first sliding seat 305, when the first piston 304 moves downwards and abuts against the action end of the switch 310, the switch 310 is in an off state, and the exhaust fan 311 and the condenser 4 do not work.
In this embodiment, when the inner cavity of the tank 2 is increased by the volatilization pressure of the liquid, the gas enters the first air outlet pipe 301 to squeeze the first piston 304, so that the first spring 307 is compressed, the first piston 304 moves upwards, the first air outlet pipe 301 is conducted with the second air outlet pipe 302, meanwhile, the first connecting rod 306 drives the limiting ring 309 to move upwards, the limiting ring 309 is separated from the switch 310, the switch 310 is in a closed state, the exhaust fan 311 and the condenser 4 start to work, the gas in the second air outlet pipe 302 circulates faster, the tank 2 is pumped, and the exhaust efficiency is improved.
As shown in fig. 1 to 5, based on the same concept as that of the above embodiment 1, it is further proposed that the side wall of the first air outlet pipe 301 is communicated with the air inlet pipe 303, so as to be used for introducing air when the inner cavity of the tank 2 is lowered, preventing excessive negative pressure in the inner cavity of the tank 2 from damaging the tank 2, the inner cavity of the air inlet pipe 303 is slidably provided with the second piston 312, for sealing the air inlet pipe 303, the upper portion of the air inlet pipe 303 is fixedly provided with the second sliding seat 313, for connecting the second connecting rod 314, the upper portion of the second piston 312 is fixedly provided with the second connecting rod 314, the upper portion of the second connecting rod 314 is slidably connected with the second sliding seat 313, the upper portion of the second piston 312 is fixedly provided with the second spring 315, for driving the second piston 312, the other end of the second spring 315 is fixedly connected with the air inlet pipe 303, the inner cavity of the air inlet pipe 303 is fixedly provided with the second sealing ring 316, the sealing effect is increased, the lower portion of the air inlet pipe 303 is fixedly provided with the air collecting hood 317, the inner cavity of the air collecting hood 317 is detachably provided with the filter screen 318, and external impurities are prevented from entering the inner cavity of the tank 2 to pollute liquid.
In this embodiment, when the pressure in the inner cavity of the tank 2 is reduced, negative pressure is generated, and even the tank 2 is damaged, at this time, under the action of the negative pressure, the second piston 312 is driven to move upwards, the second spring 315 contracts, so that the air inlet pipe 303 is conducted, and air is filtered by the filter screen 318, then enters the inner cavity of the tank 2 through the air inlet pipe 303 and the first air outlet pipe 301, so as to prevent the tank 2 from being damaged by excessive negative pressure.
As shown in fig. 1 to 5, based on the same concept as that of the above embodiment 1, the present embodiment further proposes that a condenser 4 is fixedly installed at the upper portion of the tank 2, the condenser 4 is electrically connected to an external power supply, and the condenser 4 is communicated with the second air outlet pipe 302, so as to condense the exhaust gas into a liquid for re-injecting into the tank 2, thereby avoiding air pollution and saving resources; the condenser 4 is communicated with the tank body 2, the one-way valve 5 is communicated with the inner cavity of the tank body 2 in a one-way manner, and is used for conveying condensed liquid into the tank body 2, the upper part of the tank body 2 is communicated with a feed inlet 6 for feeding, and the side wall of the tank body 2 is communicated with a discharge outlet 7 for discharging.
Specifically, the working process or working principle of the air extraction device for the liquid storage tank is as follows: when the tank body 2 is in use, when the volatilization pressure of liquid increases, gas enters the first air outlet pipe 301 to squeeze the first piston 304, so that the first spring 307 is compressed, the first piston 304 moves upwards, the first air outlet pipe 301 is communicated with the second air outlet pipe 302, meanwhile, the first connecting rod 306 drives the limiting ring 309 to move upwards, the limiting ring 309 is separated from the switch 310, the switch 310 acts to be in a closed state, the exhaust fan 311 and the condenser 4 start to work, the gas in the second air outlet pipe 302 circulates, the tank body 2 is pumped, the exhaust efficiency is improved, the discharged gas is condensed into liquid through the condenser 4 to be re-injected into the tank body 2, the pollution to the air is avoided, and the resources are saved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
It should be noted that, the exhaust fan 311 and the condenser 4 are devices or apparatuses existing in the prior art, or may be devices or apparatuses implemented in the prior art, and the power supply, the specific composition and the principle thereof are clear to those skilled in the art, so they will not be described in detail.
Claims (8)
1. The utility model provides an be used for liquid storage tank air extraction device which characterized in that, including base (1), jar body (2) and air extraction mechanism (3), jar body (2) fixed mounting is in base (1) upper portion, air extraction mechanism (3) include
The first air outlet pipe (301), the first air outlet pipe (301) is fixedly arranged at the upper part of the tank body (2), the first air outlet pipe (301) is communicated with the inner cavity of the tank body (2), and the side wall of the first air outlet pipe (301) is communicated with the second air outlet pipe (302);
the first piston (304) is slidably arranged in the inner cavity of the first air outlet pipe (301);
the first sliding seat (305), the first sliding seat (305) is fixedly arranged on the upper part of the first air outlet pipe (301);
the first connecting rod (306), the first connecting rod (306) is fixedly arranged on the upper part of the first piston (304), a limiting ring (309) is fixedly arranged at one end of the first connecting rod (306), and the limiting ring (309) is in sliding connection with the first sliding seat (305);
the exhaust fan (311), exhaust fan (311) fixed mounting is in second outlet duct (302) upper portion, exhaust fan (311) output is linked together with second outlet duct (302).
2. The air extraction device for the liquid storage tank according to claim 1, wherein a first spring (307) is fixedly arranged on the upper portion of the first piston (304), the other end of the first spring (307) is fixedly connected with the first air outlet pipe (301), and a first sealing ring (308) is fixedly arranged in an inner cavity of the first air outlet pipe (301).
3. The air extraction device for a liquid storage tank according to claim 1, wherein a switch (310) is fixedly arranged on the side wall of the first sliding seat (305), the switch (310) is normally closed, and an action end of the switch (310) extends into an inner cavity of the first sliding seat (305).
4. An air extraction device for a liquid storage tank according to claim 1, wherein the side wall of the first air outlet pipe (301) is communicated with an air inlet pipe (303), a second piston (312) is slidably arranged in the inner cavity of the air inlet pipe (303), and a second sliding seat (313) is fixedly arranged on the upper portion of the air inlet pipe (303).
5. The air extraction device for the liquid storage tank according to claim 4, wherein a second connecting rod (314) is fixedly arranged at the upper part of the second piston (312), the upper part of the second connecting rod (314) is in sliding connection with a second sliding seat (313), a second spring (315) is fixedly arranged at the upper part of the second piston (312), the other end of the second spring (315) is fixedly connected with an air inlet pipe (303), and a second sealing ring (316) is fixedly arranged in an inner cavity of the air inlet pipe (303).
6. The air extraction device for the liquid storage tank according to claim 4, wherein a gas collecting hood (317) is fixedly arranged at the lower part of the air inlet pipe (303), and a filter screen (318) is detachably arranged in an inner cavity of the gas collecting hood (317).
7. The air extraction device for the liquid storage tank according to claim 1, wherein a condenser (4) is fixedly arranged at the upper part of the tank body (2), the condenser (4) is communicated with the second air outlet pipe (302), a one-way valve (5) is communicated between the condenser (4) and the tank body (2), and the one-way valve (5) is in one-way conduction to the inner cavity of the tank body (2).
8. An air extraction device for a liquid storage tank according to claim 1, wherein the upper part of the tank body (2) is communicated with a feed inlet (6), and the side wall of the tank body (2) is communicated with a discharge outlet (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322316437.3U CN220616994U (en) | 2023-08-28 | 2023-08-28 | Air extraction device for liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322316437.3U CN220616994U (en) | 2023-08-28 | 2023-08-28 | Air extraction device for liquid storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220616994U true CN220616994U (en) | 2024-03-19 |
Family
ID=90216827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322316437.3U Active CN220616994U (en) | 2023-08-28 | 2023-08-28 | Air extraction device for liquid storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220616994U (en) |
-
2023
- 2023-08-28 CN CN202322316437.3U patent/CN220616994U/en active Active
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