CN218221092U

CN218221092U - Energy-saving nitrogen gas supply device for recovering excess pressure of liquid nitrogen tank

Info

Publication number: CN218221092U
Application number: CN202222125179.6U
Authority: CN
Inventors: 邢坤; 张文学; 王赵云; 肖常龙
Original assignee: Qingdao Dongwei Energy Technology Co ltd
Current assignee: Qingdao Dongwei Energy Technology Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-01-06
Anticipated expiration: 2032-08-12

Abstract

The utility model relates to a nitrogen gas air feed technical field specifically is an energy-saving nitrogen gas air feeder is retrieved to liquid nitrogen jar residual pressure, the load simulator comprises a case, the inner wall fixedly connected with baffle of quick-witted case, the bottom four corners of quick-witted case is fixedly connected with supporting leg respectively, one side fixedly connected with air feed valve of machine case, and the machine case one side fixedly connected with waste gas valve who keeps away from the air feed valve, fixedly connected with liquid nitrogen jar, liquid nitrogen pump, air temperature formula vaporizer and water collection tank in proper order from the left hand right side in the inside bottom of machine case, fixedly connected with nitrogen cylinder and adsorption tower in proper order from the left hand right side in the top of baffle, nitrogen gas air feeder after the improvement separates moisture in with nitrogen gas through deareator, and nitrogen gas after the adsorption tower filters, under the work of solenoid valve, other gases except that nitrogen gas are discharged through the cooperation of blast pipe and waste gas valve, and remaining nitrogen gas is discharged along with the entering nitrogen cylinder or the air feed valve of S-shaped pipe.

Description

Energy-saving nitrogen gas supply device for recovering excess pressure of liquid nitrogen tank

Technical Field

The utility model relates to a nitrogen gas air feed technical field specifically is an energy-saving nitrogen gas air feeder is retrieved to liquid nitrogen container excess pressure.

Background

Nitrogen gas is widely used for in the industrial production often to be used as the protection gas and spout gas etc. through pressurizing the liquid nitrogen, technical means such as vaporization, buffering, pressure regulating and steady voltage, for interrupted use and with the undulant great high-pressure nitrogen gas user of tolerance provide a safe, practical high-pressure nitrogen gas feeding mechanism, adopts high-pressure gas cylinder collection dress check group to replace traditional high-pressure buffer tank, makes the configuration of device nimble, economy, safety.

The prior patent (publication number: CN 110805829A) discloses a nitrogen gas supply device, which comprises a liquid storage tank, a first gas supply pipeline structure, a second gas supply pipeline structure, a first electromagnetic valve, a first detector, a control cabinet and a first discharge pipeline structure; first air supply line structure is connected with the liquid storage pot and includes the power supply, the second solenoid valve, first vaporizer, second air supply line structure and first air supply line structural connection and include the second vaporizer of being connected with the power supply, first solenoid valve is connected between liquid storage pot and power supply and with switch board electric connection, the second solenoid valve is connected between power supply and second vaporizer and with switch board electric connection, first vaporizer is connected with the power supply, the second vaporizer is used for being connected with the gas appliance, power supply and switch board electric connection, first detector and first air supply line structural connection and with switch board electric connection, and be used for detecting the atmospheric pressure in the first air supply line structure, first exhaust pipeline structure and first air supply line connection. The inventor finds that the prior art has the following problems in the process of realizing the utility model: 1. impurities in the nitrogen block a gas booster in the pressurizing and moving process in the process of vaporizing, pressurizing and supplying gas by using the liquid nitrogen, so that the gas supply process of the nitrogen is influenced; 2. the nitrogen content and purity are reduced due to operation errors in the nitrogen pressurization gas supply process, and the direct gas supply without detection easily causes influence on the processing process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy-saving nitrogen gas air feeder is retrieved to liquid nitrogen container residual pressure to solve the problem that proposes in the above-mentioned background art. In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an energy-saving nitrogen gas air feeder is retrieved to liquid nitrogen container residual pressure, includes quick-witted case, the inner wall fixedly connected with baffle of machine case, the bottom four corners of machine case is fixedly connected with supporting leg respectively, one side fixedly connected with air feed valve of machine case, and one side fixedly connected with waste gas valve that the air feed valve was kept away from to the machine case, the inside bottom of machine case from the left hand right side fixedly connected with liquid nitrogen container, liquid nitrogen pump, air temperature formula vaporizer and water collection tank in proper order, the top of baffle is from the left hand right side fixedly connected with nitrogen cylinder and adsorption tower in proper order, the top fixedly connected with T shape intake pipe of air temperature formula vaporizer, and the fixed surface of T shape intake pipe is connected with deareator, one side of deareator is connected with the one end fixed connection of water pipe, and the other end of water pipe is connected with the water collection tank, the top of T shape intake pipe is fixedly connected with the adsorption tower respectively, and the inside packing of adsorption tower has calcium chloride granule, the top fixedly connected with U-shaped pipe of adsorption tower, and the top fixedly connected with solenoid valve of U-shaped pipe, the one end fixedly connected with flow valve of solenoid valve that the air feed valve and the flow valve had through blast pipe, the air feed valve, the fixed connection of air feed valve is connected with the one end of air valve.

Further preferably, the liquid nitrogen tank is communicated with the air-temperature gasifier through a liquid nitrogen pump.

Further preferably, the adsorption towers are symmetrical with respect to a central axis of the electromagnetic valve.

Further preferably, the gas-water separator is communicated with the water collecting tank through a water pipe.

Further preferably, the air-temperature gasifier is connected with the adsorption tower through a T-shaped air inlet pipe.

Further preferably, the U-shaped pipe is connected with a nitrogen cylinder and an exhaust gas valve respectively through electromagnetic valves.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, through the cooperation between liquid nitrogen pump and the liquid nitrogen container, make the liquid nitrogen gasify under the work of air temperature formula vaporizer, get into the nitrogen gas in the adsorption tower, tiny granule in the filtration nitrogen gas of calcium chloride granule improves the purity of nitrogen gas, nitrogen gas after the adsorption tower filters, under the work of solenoid valve, other gas except that the nitrogen gas passes through the cooperation discharge of blast pipe and waste gas valve, remaining nitrogen gas is along with the entering nitrogen cylinder or the air feed valve discharge of S-shaped pipe.

The utility model discloses in, through gas-water separator's separation, separate moisture in the nitrogen gas and nitrogen gas, water can get into the jar that catchments through the water pipe, and nitrogen gas behind the air temperature formula vaporizer can get into the adsorption tower along with T shape intake pipe, filters at the inside calcium chloride granule of adsorption tower afterwards.

Drawings

FIG. 1 is a schematic view of the front view of the internal structure of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic view of the side view internal structure of the present invention.

In the figure: 1. a chassis; 2. a partition plate; 3. supporting legs; 4. an air supply valve; 5. an exhaust gas valve; 6. a liquid nitrogen tank; 7. a liquid nitrogen pump; 8. an air-temperature gasifier; 9. a water collection tank; 10. a T-shaped air inlet pipe; 11. a gas-water separator; 12. a water pipe; 13. an adsorption tower; 14. calcium chloride particles; 15. a U-shaped tube; 16. an electromagnetic valve; 17. an exhaust pipe; 18. an S-shaped pipe; 19. a pressure gauge; 20. a flow valve; 21. a nitrogen gas cylinder; 22. a gas supply pipe; 23. and (4) an observation window.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: an energy-saving nitrogen and gas supply device for recovering residual pressure of a liquid nitrogen tank comprises a case 1, a partition plate 2 is fixedly connected to the inner wall of the case 1, supporting legs 3 are fixedly connected to four corners of the bottom end of the case 1 respectively, a gas supply valve 4 is fixedly connected to one side of the case 1, a waste gas valve 5 is fixedly connected to one side of the case 1 away from the gas supply valve 4, a liquid nitrogen tank 6, a liquid nitrogen pump 7, an air-temperature type gasifier 8 and a water collection tank 9 are fixedly connected to the bottom end inside the case 1 from left to right in sequence, a nitrogen cylinder 21 and an adsorption tower 13 are fixedly connected to the top end of the partition plate 2 from left to right in sequence, a T-shaped gas inlet pipe 10 is fixedly connected to the top end of the air-temperature type gasifier 8, a gas-water separator 11 is fixedly connected to the surface of the T-shaped gas inlet pipe 10, one side of the gas-water separator 11 is fixedly connected to one end of a water pipe 12, and the other end of the water pipe 12 is connected with the water collecting tank 9, the top end of the T-shaped air inlet pipe 10 is fixedly connected with an adsorption tower 13 respectively, calcium chloride particles 14 are filled in the adsorption tower 13, a U-shaped pipe 15 is fixedly connected to the top end of the adsorption tower 13, an electromagnetic valve 16 is fixedly connected to the top end of the U-shaped pipe 15, one end of the electromagnetic valve 16 is connected with the exhaust gas valve 5 through an exhaust pipe 17, an S-shaped pipe 18 is fixedly connected to the other end of the electromagnetic valve 16, a pressure gauge 19 is fixedly installed on the surface of the S-shaped pipe 18, a flow valve 20 is fixedly connected to one end of the S-shaped pipe 18, a nitrogen bottle 21 is fixedly connected to the bottom end of the flow valve 20, the top end of the flow valve 20 is connected with the air supply valve 4 through an air supply pipe 22, and an observation window 23 is embedded in the surface of the case 1.

In this embodiment, as shown in fig. 1, the liquid nitrogen tank 6 is communicated with the air-temperature vaporizer 8 through the liquid nitrogen pump 7, and the liquid nitrogen is vaporized under the operation of the air-temperature vaporizer 8 through the cooperation between the liquid nitrogen pump 7 and the liquid nitrogen tank 6.

In this embodiment, as shown in fig. 1 and 3, the adsorption towers 13 are symmetrical with respect to the central axis of the electromagnetic valve 16, and the nitrogen gas entering the adsorption towers 13 filters fine particles in the nitrogen gas in the calcium chloride particles 14, thereby improving the purity of the nitrogen gas.

In this embodiment, as shown in fig. 3, the gas-water separator 11 is connected to the water collection tank 9 through a water pipe 12, and water enters the water collection tank 9 through the water pipe 12 by separating water from nitrogen gas by the gas-water separator 11.

In this embodiment, as shown in fig. 1, the air temperature type gasifier 8 is connected to the adsorption tower 13 through a T-shaped inlet pipe 10, nitrogen passing through the air temperature type gasifier 8 enters the adsorption tower 13 along with the T-shaped inlet pipe 10, and then calcium chloride particles 14 inside the adsorption tower 13 are filtered.

In this embodiment, as shown in fig. 1, the U-shaped pipe 15 is connected to the nitrogen gas cylinder 21 and the exhaust gas valve 5 through the electromagnetic valve 16, and the nitrogen gas filtered by the adsorption tower 13 is discharged through the cooperation of the exhaust pipe 17 and the exhaust gas valve 5 by the operation of the electromagnetic valve 16, and the remaining nitrogen gas is discharged along with the entrance of the S-shaped pipe 18 into the nitrogen gas cylinder 21 or the intake gas valve 4.

The utility model discloses a use method and advantage: this kind of energy-saving nitrogen gas air feeder is retrieved to liquid nitrogen container excess pressure when the rolling, the working process as follows:

as shown in fig. 1, 2 and 3, firstly, liquid nitrogen is gasified under the operation of an air-temperature type gasifier 8 through the cooperation between a liquid nitrogen tank 6 and a liquid nitrogen pump 7, the gasified liquid nitrogen separates nitrogen and moisture in the liquid nitrogen under the action of a gas-water separator 11, the separated liquid water flows into a water collecting tank 9 along with a water pipe 12, the nitrogen enters an adsorption tower 13 along with a T-shaped air inlet pipe 10, then the nitrogen is filtered under the filtration of calcium chloride particles 14 in the adsorption tower 13, the filtered nitrogen enters an electromagnetic valve 16 through a U-shaped pipe 15, gas except the nitrogen is discharged through an exhaust pipe 17 and an exhaust gas valve 5 under the operation of the electromagnetic valve 16, and the rest nitrogen flows into a nitrogen gas bottle 21 under the operation of a flow rate valve 20 through an S-shaped pipe 18 and can be output from the air supply valve 4 through an air supply pipe 22.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an energy-saving nitrogen gas air feeder is retrieved to liquid nitrogen container excess pressure, includes quick-witted case (1), its characterized in that: the inner wall of the case (1) is fixedly connected with a partition board (2), the bottom four corners of the case (1) are respectively and fixedly connected with supporting legs (3), one side of the case (1) is fixedly connected with an air supply valve (4), one side of the case (1) far away from the air supply valve (4) is fixedly connected with a waste gas valve (5), the inside bottom end of the case (1) is sequentially and fixedly connected with a liquid nitrogen tank (6), a liquid nitrogen pump (7), an air-temperature type gasifier (8) and a water collection tank (9) from left to right, the top end of the partition board (2) is sequentially and fixedly connected with a nitrogen cylinder (21) and an adsorption tower (13) from left to right, the top end of the air-temperature type gasifier (8) is fixedly connected with a T-shaped air inlet pipe (10), the surface of the T-shaped air inlet pipe (10) is fixedly connected with an air-water separator (11), one side of the air-temperature type separator (11) is fixedly connected with one end of a water pipe (12), the other end of the water pipe (12) is connected with the water collection tank (9), the top end of the T-shaped air-temperature type gasifier (10) is respectively and fixedly connected with the adsorption tower (13), the top end of the adsorption tower (14) is fixedly connected with a calcium chloride particle (15), and the top end of the calcium chloride particle (15) is fixedly connected with a calcium chloride particle (15), the one end of solenoid valve (16) is connected with waste gas valve (5) through blast pipe (17), the other end fixedly connected with S venturi tube (18) of solenoid valve (16), and the fixed surface of S venturi tube (18) installs manometer (19), the one end fixedly connected with flow valve (20) of S venturi tube (18), and the bottom fixedly connected with nitrogen cylinder (21) of flow valve (20), the top of flow valve (20) is connected with air feed valve (4) through air supply pipe (22), the surface embedded of quick-witted case (1) has observation window (23).

2. The energy-saving nitrogen gas supply device for recovering excess pressure of a liquid nitrogen tank as claimed in claim 1, characterized in that: the liquid nitrogen tank (6) is communicated with the air temperature type gasifier (8) through a liquid nitrogen pump (7).

3. The energy-saving nitrogen gas supply device for recovering excess pressure of the liquid nitrogen tank as claimed in claim 1, is characterized in that: the adsorption towers (13) are symmetrical with each other about the central axis of the electromagnetic valve (16).

4. The energy-saving nitrogen gas supply device for recovering excess pressure of the liquid nitrogen tank as claimed in claim 1, is characterized in that: the gas-water separator (11) is communicated with the water collecting tank (9) through a water pipe (12).

5. The energy-saving nitrogen gas supply device for recovering excess pressure of a liquid nitrogen tank as claimed in claim 1, characterized in that: the air-temperature gasifier (8) is connected with the adsorption tower (13) through a T-shaped air inlet pipe (10).

6. The energy-saving nitrogen gas supply device for recovering excess pressure of the liquid nitrogen tank as claimed in claim 1, is characterized in that: the U-shaped pipe (15) is respectively connected with a nitrogen cylinder (21) and an exhaust gas valve (5) through an electromagnetic valve (16).