CN216409512U

CN216409512U - Air precooling equipment for cryogenic separation and purification of nitrogen

Info

Publication number: CN216409512U
Application number: CN202122123138.9U
Authority: CN
Inventors: 李天�
Original assignee: Chongqing Bowang Gas Co ltd
Current assignee: Chongqing Bowang Gas Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-04-29
Anticipated expiration: 2031-09-03

Abstract

The utility model belongs to the field of precooling equipment, and particularly relates to air precooling equipment for separating and purifying nitrogen by deep cooling, which comprises precooling equipment, wherein a pretreatment box is arranged on one side of the precooling equipment, a collection assembly is arranged at the bottom of the pretreatment box, a filtering assembly is arranged in the pretreatment box, a rotating motor is fixedly arranged at the top of the pretreatment box, an output shaft of the rotating motor extends into the pretreatment box and is fixedly provided with a threaded rod, the bottom end of the threaded rod is rotatably arranged on the inner wall of the bottom of the pretreatment box, a U-shaped seat is slidably arranged in the pretreatment box, the U-shaped seat is sleeved on the threaded rod in a threaded manner, rotating shafts are rotatably arranged on the inner walls on two sides of the U-shaped seat, cleaning rollers are arranged on the rotating shafts, and the cleaning rollers are matched with the filtering assembly. The dust collector is reasonable in design, the cleaning roller can rotate, the filter screen can be cleaned through the rotation and the movement of the cleaning roller, and the dust on the filter screen can be collected through the collection assembly.

Description

Air precooling equipment for cryogenic separation and purification of nitrogen

Technical Field

The utility model relates to the technical field of precooling equipment, in particular to air precooling equipment for cryogenic separation and purification of nitrogen.

Background

The basic principle of air separation is to condense air into liquid by using a low-temperature rectification method, separate the air according to different evaporation temperatures of all components, simultaneously obtain pure nitrogen and pure oxygen at the top and the bottom of an upper tower by using a double-stage rectification tower, and also respectively take out liquid oxygen and liquid nitrogen at an evaporation side and a condensation side of a main condenser.

The existing air precooling equipment directly sucks air to enter for precooling, and because the air contains a large amount of dust, the damage of the precooling equipment is easily caused, and the problem that the dust in the air is not convenient to filter and collect exists, so that the air precooling equipment for separating and purifying nitrogen by deep cooling is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defect that dust in air is inconvenient to filter and collect in the prior art, and provides air precooling equipment for separating and purifying nitrogen by cryogenic cooling.

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

an air precooling device for purifying nitrogen by cryogenic separation comprises a precooling device, wherein a pretreatment box is installed on one side of the precooling device, a collecting assembly is arranged at the bottom of the pretreatment box, a filtering assembly is installed in the pretreatment box, a rotating motor is fixedly installed at the top of the pretreatment box, an output shaft of the rotating motor extends into the pretreatment box and is fixedly installed with a threaded rod, the bottom end of the threaded rod is rotatably installed on the inner wall of the bottom of the pretreatment box, a U-shaped seat is slidably installed in the pretreatment box, the threaded rod is sleeved with the U-shaped seat in a threaded manner, rotating shafts are rotatably installed on the inner walls of two sides of the U-shaped seat, a cleaning roller is installed on the rotating shafts and is matched with the filtering assembly, and a driving mechanism is installed on the inner wall of the top of the pretreatment box, and actuating mechanism and rotation axis adaptation, the bottom of preliminary treatment case has seted up the blowhole, and the blowhole is provided with shelters from the subassembly.

Preferably, the driving mechanism comprises an external gear and a rack bar, the external gear is fixedly arranged on the rotating shaft, the rack bar is fixedly arranged on the pretreatment tank, and the rack bar is meshed with the external gear.

Preferably, the shielding assembly comprises a moving hole, a vertical rod and a baffle, the moving hole is formed in the inner wall of the bottom of the pretreatment box, the vertical rod is slidably mounted on the moving hole, the baffle is fixedly mounted at the bottom of the vertical rod, and the baffle is matched with the sewage draining hole.

Preferably, the top fixed mounting of montant has the connecting plate, and the bottom fixed mounting of connecting plate has compression spring, and compression spring's bottom mounting sets up on the bottom inner wall of preliminary treatment case.

Preferably, all seted up the spacing groove on the front side inner wall of preliminary treatment case and on the rear side inner wall, spacing seat is all installed to the front side and the rear side of U-shaped seat, and spacing seat and the spacing groove sliding connection who corresponds.

Preferably, a collecting frame is placed in the collecting assembly, a communicating hole is formed in the inner wall of one side of the collecting assembly, and a box door is hinged in the communicating hole.

The utility model has the beneficial effects that:

1. because the pretreatment box is arranged, dust in the air can be filtered through the filtering component, and the filtering component needs to be cleaned regularly;

2. the rotary motor is started, the rotary motor rotates through the threaded rod, the threaded rod can drive the U-shaped seat to move, the U-shaped seat can drive the cleaning roller to move, the cleaning roller can rotate through the matching of the rack rod and the gear, and the filter assembly can be cleaned through the rotation and the movement of the cleaning roller;

3. when the U-shaped seat moves downwards, the U-shaped seat can move downwards the connecting plate, the connecting plate can compress the compression spring, and the connecting plate moves downwards through the baffle that the montant can for the blowhole can be opened to the baffle, makes the dust on the filtering component collect through collecting the subassembly.

Drawings

FIG. 1 is a schematic perspective view of an air pre-cooling apparatus for cryogenic separation and purification of nitrogen according to the present invention;

FIG. 2 is a schematic diagram of a front view of an air pre-cooling apparatus for cryogenic separation and purification of nitrogen according to the present invention;

FIG. 3 is a schematic structural diagram of part A of an air pre-cooling apparatus for cryogenic separation and purification of nitrogen according to the present invention;

FIG. 4 is a schematic structural diagram of part B of an air pre-cooling apparatus for cryogenic separation and purification of nitrogen according to the present invention.

In the figure: 1. pre-cooling equipment; 2. a pretreatment tank; 3. a collection assembly; 4. a filter assembly; 5. a rotating electric machine; 6. a threaded rod; 7. a U-shaped seat; 8. a rotating shaft; 9. cleaning the roller; 10. a gear; 11. a rack bar; 12. a sewage draining hole; 13. moving the hole; 14. a vertical rod; 15. a connecting plate; 16. a compression spring; 17. and a baffle plate.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present, and the "disposed" refers to an existing connection, whether connected, mounted, secured, or permanently connected. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, an air precooling apparatus for cryogenic separation and purification of nitrogen comprises a precooling apparatus 1, a pretreatment tank 2 is installed on one side of the precooling apparatus 1, a collection assembly 3 is arranged at the bottom of the pretreatment tank 2, a filter assembly 4 is installed in the pretreatment tank 2, a rotating motor 5 is fixedly installed at the top of the pretreatment tank 2, an output shaft of the rotating motor 5 extends into the pretreatment tank 2 and is fixedly installed with a threaded rod 6, the bottom end of the threaded rod 6 is rotatably installed on the inner wall of the bottom of the pretreatment tank 2, a U-shaped seat 7 is slidably installed in the pretreatment tank 2, the threaded rod 6 is sleeved with the U-shaped seat 7, rotating shafts 8 are rotatably installed on the inner walls of the two sides of the U-shaped seat 7, cleaning rollers 9 are installed on the rotating shafts 8, the cleaning rollers 9 are matched with the filter assembly 4, a driving mechanism is installed on the inner wall of the top of the pretreatment tank 2 and is matched with the rotating shafts 8, the blowdown hole 12 has been seted up to the bottom of preliminary treatment case 2, is provided with in the blowdown hole 12 and shelters from the subassembly, owing to be provided with preliminary treatment case 2, can filter the dust in the air through filter assembly 4, and filter assembly 4 needs regularly clear up.

In this embodiment, the driving mechanism includes the external gear 10 and the rack bar 11, the external gear 10 is fixedly arranged on the rotating shaft 8, the rack bar 11 is fixedly arranged on the pretreatment tank 2, and the rack bar 11 is meshed with the external gear 10, so that the cleaning roller 9 can rotate by the cooperation of the rack bar 11 and the gear 10, and the filtering component 4 can be cleaned by the rotation and the movement of the cleaning roller 9.

In this embodiment, shelter from the subassembly including removing hole 13, montant 14 and baffle 17, remove hole 13 and offer on the bottom inner wall of preliminary treatment case 2, montant 14 slidable mounting is on removing hole 13, and montant 14's bottom fixed mounting has baffle 17, and baffle 17 and blowoff holes 12 looks adaptation can open or close blowoff holes 12 through baffle 17.

In this embodiment, the top fixed mounting of montant 14 has connecting plate 15, and the bottom fixed mounting of connecting plate 15 has compression spring 16, and compression spring 16's bottom mounting sets up on the bottom inner wall of preliminary treatment case 2, through being provided with compression spring 16, can make baffle 17 carry on spacingly.

In this embodiment, all seted up the spacing groove on the front side inner wall of preliminary treatment case 2 and on the rear side inner wall, spacing seat is all installed to the front side and the rear side of U-shaped seat 7, and spacing seat and the spacing groove sliding connection who corresponds can be so that U-shaped seat 7 carries out stable removal through being provided with spacing groove and spacing seat.

In this embodiment, place in the collection subassembly 3 and collect the frame, seted up the intercommunicating pore on the inner wall of one side of collection subassembly 3, the articulated chamber door that has in the intercommunicating pore.

In the utility model, because the pretreatment tank 2 is arranged, the dust in the air can be filtered by the filter assembly 4, the filter component 4 needs to be cleaned regularly, by starting the rotating motor 5, the rotating motor 5 rotates through the threaded rod 6, the threaded rod 6 can drive the U-shaped seat 7 to move, the U-shaped seat 7 can drive the cleaning roller 9 to move, the cleaning roller 9 can rotate due to the matching of the rack bar 11 and the gear 10, the filter assembly 4 can be cleaned through the rotation and the movement of the cleaning roller 9, when the U-shaped seat 7 moves downwards, the U-shaped seat 7 can move the connecting plate 15 downwards, the connecting plate 15 can compress the compression spring 16, the connecting plate 15 can move downwards through the baffle 17 which can be arranged on the vertical rod 14, so that the baffle 17 can open the soil discharge hole 12 to allow dust on the filter assembly 4 to be collected by the collection assembly 3.

The air precooling equipment for cryogenically separating and purifying nitrogen provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are set forth only to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a cryrogenic separation purification air precooling equipment for nitrogen gas, includes precooling equipment (1), its characterized in that, one side of precooling equipment (1) is installed and is pre-processed case (2), the bottom of pretreating case (2) is equipped with collection subassembly (3), install filter assembly (4) in pretreating case (2), the top fixed mounting who pretreats case (2) has rotating electrical machines (5), the output shaft of rotating electrical machines (5) extends to and has threaded rod (6) in pretreating case (2) and fixed mounting, the bottom of threaded rod (6) is rotated and is installed on the bottom inner wall of pretreating case (2), slidable mounting has U-shaped seat (7) in pretreating case (2), U-shaped seat (7) thread bush is established on threaded rod (6), rotation axis (8) are installed on the both sides inner wall of U-shaped seat (7), install cleaning roller (9) on rotation axis (8), cleaning roller (9) and filtering component (4) looks adaptation, install actuating mechanism on the top inner wall of preliminary treatment case (2), just actuating mechanism and rotation axis (8) looks adaptation, blowdown hole (12) have been seted up to the bottom of preliminary treatment case (2), be provided with in blowdown hole (12) and shelter from the subassembly.

2. The air pre-cooling device for deep cooling separation and purification of nitrogen according to claim 1, wherein the driving mechanism comprises an external gear (10) and a rack bar (11), the external gear (10) is fixedly arranged on the rotating shaft (8), the rack bar (11) is fixedly arranged on the pretreatment tank (2), and the rack bar (11) is meshed with the external gear (10).

3. The air pre-cooling device for cryogenic separation and purification of nitrogen gas as claimed in claim 1, wherein the shielding assembly comprises a moving hole (13), a vertical rod (14) and a baffle (17), the moving hole (13) is formed in the inner wall of the bottom of the pretreatment tank (2), the vertical rod (14) is slidably mounted on the moving hole (13), the baffle (17) is fixedly mounted at the bottom of the vertical rod (14), and the baffle (17) is matched with the sewage discharge hole (12).

4. Air pre-cooling equipment for deep cooling separation and purification of nitrogen according to claim 3, characterized in that a connecting plate (15) is fixedly installed at the top of the vertical rod (14), a compression spring (16) is fixedly installed at the bottom end of the connecting plate (15), and the bottom end of the compression spring (16) is fixedly arranged on the inner wall of the bottom of the pretreatment tank (2).

5. The air precooling apparatus for cryogenic separation and purification of nitrogen as claimed in claim 1, wherein the inner wall of the front side and the inner wall of the rear side of the pretreatment tank (2) are both provided with a limiting groove, the front side and the rear side of the U-shaped seat (7) are both provided with a limiting seat, and the limiting seats are slidably connected with the corresponding limiting grooves.

6. The air precooling apparatus for cryogenic separation and purification of nitrogen as claimed in claim 1, wherein a collection frame is placed in the collection assembly (3), a communication hole is formed in an inner wall of one side of the collection assembly (3), and a box door is hinged in the communication hole.