CN213446228U

CN213446228U - Nitrogen refining device

Info

Publication number: CN213446228U
Application number: CN202022289584.2U
Authority: CN
Inventors: 王显康
Original assignee: Suzhou Hite High Purity Gas Equipment Co ltd
Current assignee: Suzhou Hite High Purity Gas Equipment Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-15
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a nitrogen gas refining plant, comprising a base plate, bottom plate top outer wall is provided with the mounting panel, the welding of mounting panel top has the degassing tank, degassing tank one side outer wall has the air inlet duct through intake-tube connection, the intake pipe is provided with one-way admission valve, the air inlet duct inner wall is provided with the fan that admits air, the air inlet duct end is provided with the filter screen, the degassing tank top is provided with the connecting pipe, the connecting pipe is connected with the purifying box, the connecting pipe is provided with the aspiration pump, the purifying box is provided with the case lid, purifying box inner wall sliding connection has adsorption net box and drying net box, adsorption net. The utility model discloses in, get rid of carbon dioxide in the degassing tank, avoid carbon dioxide to influence nitrogen gas purity, the adsorption net case gets rid of dust impurity and spot, makes the air purer, and the drying net case adsorbs moisture, avoids moisture to adhere to on equipment, and nitrogen gas detector control warning light reports to the police, reminds the staff can't continue nitrogen making, and the security is higher.

Description

Nitrogen refining device

Technical Field

The utility model relates to a technical field is made to nitrogen gas, especially relates to a nitrogen gas refining plant.

Background

Nitrogen, of the formula N2, is generally a colorless, odorless gas and is generally less dense than air. Nitrogen, which is 78.08% (volume fraction) of the total amount of atmosphere, is one of the main components of air. At normal atmospheric pressure, nitrogen turned colorless liquid when cooled to-195.8 ℃, and turned snow-like solid when cooled to-209.8 ℃. Nitrogen gas's chemical property is inactive, it is difficult to react with other material under the normal atmospheric temperature, so often be used for making the antiseptic, but at high temperature, can take place chemical change with some material under the high energy condition, be used for preparing the useful new material to human, however, current nitrogen gas preparation compression equipment simple structure, the function is single, do not generally have the filterable function to nitrogen gas, make can contain some impurity in the nitrogen gas, and nitrogen gas can contain some steam at the in-process of preparation, if steam is not in time handled, will be inhaled by equipment, the later stage is unfavorable for the maintenance of equipment, and the carbon dioxide of air also can exert an influence to nitrogen gas purity.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a nitrogen refining device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a nitrogen refining device comprises a bottom plate, wherein a mounting plate is arranged on the outer wall of the top of the bottom plate, a degassing tank is welded on the top of the mounting plate, an air inlet groove is connected to the outer wall of one side of the degassing tank through an air inlet pipe, the air inlet pipe is provided with a one-way air inlet valve, an air inlet fan is arranged on the inner wall of the air inlet groove, a filter screen is arranged at the tail end of the air inlet groove, a connecting pipe is arranged at the top of the degassing tank, a purifying tank is connected to the tail end of the connecting pipe, an air pump is arranged on the connecting pipe, a tank cover is arranged on the purifying tank, an adsorption tank and a drying tank are slidably connected to the inner wall of the purifying tank, activated carbon is filled in the adsorption tank, a silica gel drying agent is filled in the drying tank, and the inner wall of the adsorption tank is provided with a nitrogen detector, the top of the adsorption tank is provided with a warning light, the adsorption tank is provided with a vent pipe, the tail end of the vent pipe is connected with a storage tank, the nitrogen detector is connected with a controller through a wire, the controller is connected with the warning light through a wire, and the adsorption tank and the storage tank are welded with the outer wall of the top of the bottom plate.

Preferably, the inner wall of the purifying box is provided with a sliding groove, and the sliding groove is arranged along the sliding direction of the adsorption net box and the drying net box.

Preferably, the adsorption net cage and the drying net cage are welded with sliding blocks on the outer walls of the two sides, the sliding blocks are connected with the inner wall of the sliding groove in a sliding mode, and the length of each sliding block is smaller than the depth of the sliding groove.

Preferably, the two sides of the bottom of the purifying box are provided with clamping grooves, the two clamping grooves are respectively matched with the adsorption net cage and the drying net cage, and the inner walls of the clamping grooves are provided with sealing gaskets matched with the clamping grooves.

Preferably, the outer wall of the bottom of the box cover is welded with a piston, and the piston is provided with a groove matched with the adsorption net cage and the drying net cage.

Preferably, the inside sodium hydroxide concentrated solution that holds of degassing tank, and degassing tank and purifying box surface all are provided with the observation window.

The utility model has the advantages that:

1. in the utility model, the air inlet fan rotates to guide the outside air into the degassing box, the sodium hydroxide concentrated solution in the degassing box reacts with the carbon dioxide in the air to remove the carbon dioxide in the air, and the air from which the carbon dioxide is removed is pumped into the purifying box through the air suction pump;

2. the adsorption net cage in the purification box adsorbs air to remove dust, impurities and stains in the air, so that the air is purer, and the silica gel drying agent in the drying net cage adsorbs moisture in the air to dry the air, so that the moisture in the air is prevented from being attached to equipment, and the service life of the equipment is prevented from being shortened due to rusting and aging;

3. nitrogen detector is to the nitrogen gas concentration real-time supervision in the adsorption tank, and when nitrogen gas concentration declined, nitrogen detector passed through controller control warning light and reported to the police, reminded the staff and can't continue to make nitrogen, need arrange the pressure to the adsorption tank, compares in traditional device, and the security is higher.

Drawings

FIG. 1 is a schematic cross-sectional view of a nitrogen refining apparatus according to the present invention;

FIG. 2 is a schematic structural view of a purification box of the nitrogen refining device of the present invention;

fig. 3 is a schematic structural view of a degassing tank of the nitrogen refining device provided by the utility model.

In the figure: the device comprises a base plate 1, a mounting plate 2, a degassing box 3, an air inlet groove 4, an air inlet fan 5, a filter screen 6, a purifying box 7, an air pump 8, a box cover 9, an adsorption box 10, a drying box 11, an air compressor 12, an adsorption tank 13, a carbon molecular sieve 14, a nitrogen detector 15, a warning light 16, a storage tank 17 and a piston 18.

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.

Referring to fig. 1-3, a nitrogen refining device comprises a base plate 1, wherein a mounting plate 2 is arranged on the outer wall of the top of the base plate 1, a degassing tank 3 is welded on the top of the mounting plate 2, an air inlet groove 4 is connected to the outer wall of one side of the degassing tank 3 through an air inlet pipe, the air inlet pipe is provided with a one-way air inlet valve, an air inlet fan 5 is arranged on the inner wall of the air inlet groove 4, a filter screen 6 is arranged at the tail end of the air inlet groove 4, the air inlet fan 5 rotates to guide outside air into the degassing tank 3, a sodium hydroxide concentrated solution in the degassing tank 3 reacts with carbon dioxide in the air to remove the carbon dioxide in the air, so that the carbon dioxide is prevented from influencing the nitrogen purity, a connecting pipe is arranged on the top of the degassing tank 3, a purifying tank 7 is connected to the tail end of the connecting pipe, an air, the inner wall of the purifying box 7 is provided with a sliding groove, the sliding groove is arranged along the sliding direction of the adsorption net box 10 and the drying net box 11, the outer walls of the two sides of the adsorption net box 10 and the drying net box 11 are welded with sliding blocks, the sliding blocks are connected with the inner wall of the sliding groove in a sliding manner, the length of the sliding blocks is smaller than the depth of the sliding groove, the two sides of the bottom of the purifying box 7 are provided with clamping grooves, the two clamping grooves are respectively matched with the adsorption net box 10 and the drying net box 11, the inner wall of each clamping groove is provided with a sealing gasket, the sealing gaskets are matched with the clamping grooves, the adsorption net box 10 is filled with active carbon, the drying net box 11 is filled with silica gel drying agent, the adsorption net box 10 adsorbs air, removes dust impurities and stains in the air, enables the air to be cleaner, the silica gel drying, prevent that equipment from rusting and aging to cause the life to shorten, the welding of case lid 9 bottom outer wall has piston 18, and piston 18 opens the recess with adsorption net box 10 and drying net box 11 looks adaptation, the purifying box 7 is kept away from aspiration pump 8 one side outer wall and is provided with the outlet duct, and the outlet duct end is connected with air compressor machine 12, air compressor machine 12 is connected with adsorption tank 13 through the blast pipe, the welding of adsorption tank 13 inner wall has carbon molecular sieve 14, and adsorption tank 13 inner wall is provided with nitrogen gas detector 15, adsorption tank 13 top is provided with warning light 16, and adsorption tank 13 is provided with the breather pipe, and the breather pipe end is connected with holding vessel 17, nitrogen gas detector 15 is connected with the controller through the wire, and the controller is connected with warning light 16 through the wire, and nitrogen gas detector 15 monitors the nitrogen concentration in adsorption tank 13 in real time, and when nitrogen gas concentration descends, nitrogen gas detector 15 reports, remind the staff can't continue to make nitrogen, need arrange the pressure to adsorption tank 13, compare in traditional device, the security is higher, adsorption tank 13 all with 1 top outer wall welding of bottom plate with holding vessel 17, the inside sodium hydroxide concentrated solution that has held of degassing tank 3, and degassing tank 3 all is provided with the observation window with purifying box 7 surface.

The working principle is as follows: the utility model discloses when carrying out work, air inlet fan 5 rotates and leads into the degassing tank 3 with the outside air in, the concentrated solution of sodium hydroxide in the degassing tank 3 reacts with the carbon dioxide in the air, get rid of the carbon dioxide in the air, the air after removing the carbon dioxide is in suction purification box 7 through aspiration pump 8, compare in traditional device, degassing tank 3 gets rid of the carbon dioxide in the air, avoid carbon dioxide to influence nitrogen purity, adsorption net case 10 in purification box 7 adsorbs the air, get rid of dust impurity and spot in the air, make the air purer, the silica gel drier in drying net case 11 adsorbs the moisture in the air, dry the air, avoid the moisture in the air to adhere to on equipment, prevent that equipment from rusting ageing and leading to the life shortening, nitrogen gas detector 15 is to the nitrogen concentration real-time supervision in the adsorption tank 13, when nitrogen gas concentration descends, nitrogen gas detector 15 reports to the police through controller control warning light 16, reminds the staff can't continue to make nitrogen, need arrange the pressure to adsorption tank 13, compares in traditional device, and the security is higher.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The nitrogen refining device comprises a bottom plate (1) and is characterized in that an installation plate (2) is arranged on the outer wall of the top of the bottom plate (1), a degassing tank (3) is welded on the top of the installation plate (2), an air inlet groove (4) is connected to the outer wall of one side of the degassing tank (3) through an air inlet pipe, a one-way air inlet valve is arranged in the air inlet pipe, an air inlet fan (5) is arranged on the inner wall of the air inlet groove (4), a filter screen (6) is arranged at the tail end of the air inlet groove (4), a connecting pipe is arranged at the top of the degassing tank (3), a purifying tank (7) is connected to the tail end of the connecting pipe, an air suction pump (8) is arranged on the connecting pipe, a tank cover (9) is arranged on the purifying tank (7), an adsorption net cage (10) and a drying net cage (11) are slidably connected to, the utility model discloses a nitrogen detector, including purifying box (7), pump (8), air outlet pipe, air compressor machine (12), adsorption tank (13), breather pipe end-to-end connection have air outlet pipe, and air outlet pipe end-to-end connection has air compressor machine (12), air compressor machine (12) are connected with adsorption tank (13) through the blast pipe, adsorption tank (13) inner wall welding has carbon molecular sieve (14), and adsorption tank (13) inner wall is provided with nitrogen gas detector (15), adsorption tank (13) top is provided with warning light (16), and adsorption tank (13) are provided with the breather pipe, and breather pipe end-to-end connection has holding vessel (17), nitrogen gas detector (15) are connected with the controller through the wire, and the controller passes through the wire and is connected with warning light (16), adsorption.

2. A nitrogen refining plant as defined in claim 1, characterized in that the inner wall of the purification box (7) is provided with a chute, and the chute is arranged along the sliding direction of the adsorption net cage (10) and the drying net cage (11).

3. The nitrogen refining device according to claim 1, wherein the adsorption net cage (10) and the drying net cage (11) are welded with sliding blocks on the outer walls of both sides, the sliding blocks are connected with the inner wall of the sliding groove in a sliding manner, and the length of the sliding blocks is smaller than the depth of the sliding groove.

4. The nitrogen refining device according to claim 1, wherein the two sides of the bottom of the purification box (7) are provided with clamping grooves, the two clamping grooves are respectively matched with the adsorption net cage (10) and the drying net cage (11), and the inner walls of the clamping grooves are provided with sealing gaskets matched with the clamping grooves.

5. A nitrogen refining plant as defined in claim 1, characterized in that the outer wall of the bottom of the tank cover (9) is welded with a piston (18), and the piston (18) is provided with a groove adapted to the adsorption net cage (10) and the drying net cage (11).

6. A nitrogen refining plant as defined in claim 1, characterized in that the degassing tank (3) contains concentrated sodium hydroxide solution and the surfaces of the degassing tank (3) and the purification tank (7) are provided with observation windows.