CN218179745U

CN218179745U - Be used for cold box internal seal gas structure

Info

Publication number: CN218179745U
Application number: CN202222477762.3U
Authority: CN
Inventors: 翟军
Original assignee: Shanghai Wanxie Electromechanical Technology Co ltd
Current assignee: Shanghai Wanxie Electromechanical Technology Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-12-30
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a be used for cold box inner seal gas structure relates to cold box equipment technical field. The air-tight structure comprises a cold box body, wherein a sealed air structure is arranged in the cold box body; the sealed gas structure includes a first U-shaped hollow tube, install the air inlet on the first U-shaped hollow tube, first U-shaped hollow tube fixed mounting is on the inner wall of cold box, the upper and lower both sides of first U-shaped hollow tube all are provided with a second U-shaped hollow tube, communicate through a plurality of intercommunication subassemblies between first U-shaped hollow tube and the second U-shaped hollow tube, fixed intercommunication has a plurality of exhaust heads on the second U-shaped hollow tube, distance between second U-shaped hollow tube and the first U-shaped hollow tube is adjusted through adjusting part. The utility model discloses an air inlet from on the first U-shaped hollow tube fills into nitrogen protection gas, and nitrogen gas will be rapid be full of first U-shaped hollow tube, second U-shaped hollow tube and intercommunication subassembly, discharge from the exhaust head at last to make the inside of cold box fill nitrogen gas.

Description

Be used for cold box internal seal gas structure

Technical Field

The utility model belongs to the technical field of the cold box equipment, especially, relate to a be used for cold box inner seal gas structure.

Background

The cold box is a high-efficiency, heat-insulating and cold-preserving low-temperature heat exchange device and has a wide application range. When the cold box is used, the cold insulation materials filled in the cold box are filled with air, and in a low-temperature state, the air pressure between the cold insulation materials is reduced to generate negative pressure in the cold box, and the cold box is deflated by suction without pressurization. If the cold box is not sealed tightly, although the cold box can not be shriveled by the low-temperature negative pressure in the cold box, the wet air can be invaded, the heat-insulating material is damped, the caking is pressed off, the pipeline of the equipment is crushed, and the cold loss of the device is increased. Therefore, in the working process of the cold box, the cold box is generally filled with sealing air to ensure that the interior of the cold box is slightly positive pressure and the cold box is sealed and cannot be deflated due to low-temperature negative pressure.

At present, the existing sealing air structure used in the cold box in the market is not convenient for adjusting the air injection position, so that the sealing air filled in the cold box is not uniform.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for cold box internal seal gas structure, through the combined use of first U-shaped hollow tube, second U-shaped hollow tube, intercommunication subassembly, exhaust head and adjusting part, solved current be used for cold box internal seal gas structure be not convenient for adjust jet-propelled position to lead to filling the inhomogeneous problem of sealed gas that adds in the cold box.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a sealing gas structure used in a cold box, which comprises a cold box body, wherein a sealing gas structure is arranged in the cold box body;

the sealing air structure comprises a first U-shaped hollow pipe, an air inlet is installed on the first U-shaped hollow pipe, the first U-shaped hollow pipe is fixedly installed on the inner wall of the cold box body, the upper side and the lower side of the first U-shaped hollow pipe are provided with a second U-shaped hollow pipe, the first U-shaped hollow pipe and the second U-shaped hollow pipe are communicated through a plurality of communicating components, the second U-shaped hollow pipe is fixedly communicated with a plurality of exhaust heads, and the distance between the second U-shaped hollow pipe and the first U-shaped hollow pipe is adjusted through an adjusting component.

Furthermore, two cold box door bodies which are symmetrically arranged are installed at the front end of the cold box body, and the cold box door bodies are in running fit with the cold box body.

Furthermore, the communicating component comprises an external connecting cylinder, one end of the external connecting cylinder is communicated with the first U-shaped hollow pipe, the other end of the external connecting cylinder is connected with an internal connecting cylinder in an inserting mode, one end, located on the outer side of the external connecting cylinder, of the internal connecting cylinder is fixedly communicated with the second U-shaped hollow pipe, and a circular baffle is fixedly mounted at one end, located inside the external connecting cylinder, of the internal connecting cylinder.

Furthermore, the outer side of the square-shaped baffle is fixedly sleeved with a square-shaped sealing gasket, and the outer wall of the square-shaped sealing gasket is in contact with the inner wall of the external connecting cylinder to form extrusion.

Further, the adjusting part includes an intermediate junction block and two symmetrical side connecting blocks that distribute, intermediate junction block fixed mounting is on first U-shaped hollow tube, two the side connecting block is installed respectively on two second U-shaped hollow tubes, an intermediate junction block's a fixed mounting has a threaded rod on the surface, the one end fixed mounting that the intermediate junction block was kept away from to the threaded rod has a spacing end plate, a connection nut has been cup jointed to the outside screw thread of threaded rod, a connection bearing has just been located to cup joint between intermediate junction block and the connection nut in the outside of threaded rod, the inner ring and the connection nut fixed connection of connection bearing, the outer loop of connection bearing is through being connected down tube swing joint with a side of side connecting block.

Furthermore, one end of the connecting inclined rod is rotatably connected with the outer ring of the connecting bearing through a hinged support, and the other end of the connecting inclined rod is rotatably connected with one side face of the side edge connecting block through another hinged support.

The utility model discloses following beneficial effect has:

1. the utility model discloses a revolve wrong coupling nut, coupling nut will drive coupling bearing and remove, because coupling bearing's outer loop and a side of side connecting block are through being connected down tube swing joint, consequently will make both sides limit connecting block be close to each other or keep away from each other when coupling bearing removes, two second U-shaped hollow tubes will be close to each other or keep away from each other this moment to the realization is to the regulation of distance between two second U-shaped hollow tubes, the utility model discloses an adjusting part can adjust the distance between two second U-shaped hollow tubes, thereby makes the effect of gas diffusion better, easily pushes to market.

2. The utility model discloses an air inlet from on the first U-shaped hollow tube fills into nitrogen protection gas, and nitrogen gas will be rapid be full of first U-shaped hollow tube, second U-shaped hollow tube and intercommunication subassembly, discharge from the exhaust head at last to make the inside of cold box fill nitrogen gas.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a seal gas structure for use in a cold box;

FIG. 2 is a schematic structural view of a seal gas structure;

FIG. 3 is a schematic view of the communication assembly;

FIG. 4 is a cross-sectional view of the communication assembly;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is a schematic view of the adjustment assembly;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a cold box body; 101. a cold box door body; 2. a gas-tight structure; 3. a first U-shaped hollow tube; 4. a second U-shaped hollow tube; 5. a communicating component; 501. an external connecting cylinder; 502. an internal connecting cylinder; 503. a clip-shaped baffle; 504. a loop-shaped gasket; 6. an exhaust head; 7. an adjustment assembly; 701. a middle connecting block; 702. a threaded rod; 703. a limiting end plate; 704. a connecting nut; 705. connecting a bearing; 706. a side connecting block; 707. and connecting the inclined rod.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the utility model relates to a sealing gas structure used in a cold box, which comprises a cold box body 1, two symmetrically arranged cold box door bodies 101 are arranged at the front end of the cold box body 1, the cold box door bodies 101 are in running fit with the cold box body 1, and a sealing gas structure 2 is arranged inside the cold box body 1;

the sealing air structure 2 comprises a first U-shaped hollow pipe 3, an air inlet is arranged on the first U-shaped hollow pipe 3, the first U-shaped hollow pipe 3 is fixedly arranged on the inner wall of the cold box body 1, a second U-shaped hollow pipe 4 is arranged on each of the upper side and the lower side of the first U-shaped hollow pipe 3, the first U-shaped hollow pipe 3 and the second U-shaped hollow pipe 4 are communicated through a plurality of communicating components 5, a plurality of exhaust heads 6 are fixedly communicated on the second U-shaped hollow pipe 4, the exhaust heads 6 are uniformly distributed, and the distance between the second U-shaped hollow pipe 4 and the first U-shaped hollow pipe 3 is adjusted through an adjusting component 7;

the communicating component 5 comprises an external connecting cylinder 501, one end of the external connecting cylinder 501 is communicated with the first U-shaped hollow tube 3, the other end of the external connecting cylinder 501 is spliced with an internal connecting cylinder 502, one end of the internal connecting cylinder 502, which is positioned outside the external connecting cylinder 501, is fixedly communicated with the second U-shaped hollow tube 4, one end of the internal connecting cylinder 502, which is positioned inside the external connecting cylinder 501, is fixedly provided with a circular baffle 503, the outside of the circular baffle 503 is fixedly sleeved with a circular sealing gasket 504, and the outer wall of the circular sealing gasket 504 is contacted with the inner wall of the external connecting cylinder 501 and forms extrusion;

the adjusting component 7 comprises a middle connecting block 701 and two symmetrically distributed side connecting blocks 706, the middle connecting block 701 is fixedly installed on the first U-shaped hollow tube 3, the two side connecting blocks 706 are respectively installed on the two second U-shaped hollow tubes 4, a threaded rod 702 is fixedly installed on one surface of the middle connecting block 701, a limiting end plate 703 is fixedly installed at one end, far away from the middle connecting block 701, of the threaded rod 702, a connecting nut 704 is sleeved on the outer side of the threaded rod 702 in a threaded manner, a connecting bearing 705 is sleeved on the outer side of the threaded rod 702 and between the middle connecting block 701 and the connecting nut 704, the inner ring of the connecting bearing 705 is fixedly connected with the connecting nut 704, the outer ring of the connecting bearing 705 is movably connected with one side face of the side connecting block 706 through a connecting inclined rod 707, one end of the connecting inclined rod 707 is rotatably connected with the outer ring of the connecting bearing 705 through a hinge base, and the other end of the connecting inclined rod 707 is rotatably connected with one side face of the side connecting block 706 through another hinge base.

One specific application of this embodiment is: when needs use the utility model discloses a during a be used for cold box internal seal gas structure, at first the staff adjusts the distance between two second U-shaped hollow tubes 4 as required, specifically for revolving wrong coupling nut 704, coupling nut 704 will drive coupling bearing 705 and remove, because coupling bearing 705's outer loop and side connecting block 706's a side are through connecting down tube 707 swing joint, consequently will make both sides limit connecting block 706 be close to each other or keep away from each other when coupling bearing 705 removes, two second U-shaped hollow tubes 4 will be close to each other or keep away from each other this moment, thereby realize the regulation to distance between two second U-shaped hollow tubes 4, the utility model discloses an adjusting part 7 can adjust the distance between two second U-shaped hollow tubes 4, thereby make the effect of gas diffusion better, easily push market, the utility model discloses a through fill in nitrogen protection gas from the air inlet on first U-shaped hollow tube 3, nitrogen gas will be rapid fill in first U-shaped hollow tube 3, second U-shaped hollow tube 4 and intercommunication subassembly 5, discharge from exhaust head 6 at last, thereby make the inside of cold box 1 fill in the nitrogen gas.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a be used for cold box internal seal gas structure which characterized in that: the air-tight structure comprises a cold box body (1), wherein a sealed air structure (2) is arranged in the cold box body (1);

sealed gas structure (2) include a first U-shaped hollow tube (3), install the air inlet on first U-shaped hollow tube (3), first U-shaped hollow tube (3) fixed mounting is on the inner wall of cold box body (1), the upper and lower both sides of first U-shaped hollow tube (3) all are provided with a second U-shaped hollow tube (4), communicate through a plurality of intercommunication subassemblies (5) between first U-shaped hollow tube (3) and second U-shaped hollow tube (4), fixed intercommunication has a plurality of exhaust heads (6) on second U-shaped hollow tube (4), the distance between second U-shaped hollow tube (4) and first U-shaped hollow tube (3) is adjusted through adjusting part (7).

2. The sealing gas structure used in the cold box is characterized in that two cold box door bodies (101) which are symmetrically arranged are installed at the front end of the cold box body (1), and the cold box door bodies (101) are in running fit with the cold box body (1).

3. The air-tight structure used in the cold box according to claim 1, wherein the communicating component (5) comprises an external connecting cylinder (501), one end of the external connecting cylinder (501) is communicated with the first U-shaped hollow tube (3), the other end of the external connecting cylinder (501) is inserted with an internal connecting cylinder (502), one end of the internal connecting cylinder (502) located outside the external connecting cylinder (501) is fixedly communicated with the second U-shaped hollow tube (4), and one end of the internal connecting cylinder (502) located inside the external connecting cylinder (501) is fixedly provided with a circular baffle (503).

4. A structure for sealing air inside a cold box according to claim 3, wherein a return gasket (504) is fixedly sleeved on the outer side of the return baffle (503), and the outer wall of the return gasket (504) is in contact with the inner wall of the external connecting cylinder (501) and forms a compression.

5. The sealing air structure used in the cold box is characterized in that the adjusting component (7) comprises a middle connecting block (701) and two symmetrically distributed side connecting blocks (706), the middle connecting block (701) is fixedly installed on the first U-shaped hollow tube (3), the two side connecting blocks (706) are respectively installed on the two second U-shaped hollow tubes (4), a threaded rod (702) is fixedly installed on one surface of the middle connecting block (701), one end, far away from the middle connecting block (701), of the threaded rod (702) is fixedly installed with a limiting end plate (703), a connecting nut (704) is sleeved on the outer side thread of the threaded rod (702), a connecting bearing (705) is sleeved on the outer side of the threaded rod (702) and located between the middle connecting block (701) and the connecting nut (704), the inner ring of the connecting bearing (705) is fixedly connected with the connecting nut (704), and the outer ring of the connecting bearing (705) is movably connected with one side surface of the side connecting block (706) through a connecting inclined rod (707).

6. The structure for sealing air in a cold box according to claim 5, wherein one end of the connecting diagonal rod (707) is rotatably connected with the outer ring of the connecting bearing (705) through a hinge mount, and the other end of the connecting diagonal rod (707) is rotatably connected with one side surface of the side connecting block (706) through another hinge mount.