CN214248293U

CN214248293U - Packing sealing box of reciprocating hydrogen compressor

Info

Publication number: CN214248293U
Application number: CN202022195137.0U
Authority: CN
Inventors: 黄谢; 杨寿盛; 李宇辉; 覃中华; 梁智亨; 黄煊沛
Original assignee: Guangdong Zhonggao Technology Co ltd; Guangdong Zhonghe Plastic Co ltd
Current assignee: Guangdong Zhonghe Plastic Co.,Ltd.
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-09-21
Anticipated expiration: 2030-09-29

Abstract

A reciprocating type hydrogen compressor packing sealing box comprises a packing sealing box, a leakage recovery box, a static sealing box and a nitrogen filling sealing box which are sequentially sleeved on a piston rod of a compressor, wherein the packing sealing box comprises a first dynamic sealing box and a plurality of groups of second dynamic sealing boxes; the sealing box can discharge a small amount of leaked gas to an exhaust pipeline through the gas leakage recovery box, and then seals low-pressure gas leakage through the static sealing box and the nitrogen-filled sealing box, so that the problems of pollution and potential safety hazard of the long-period running of the compressor to the environment caused by the leakage of toxic, harmful, flammable and explosive gases are solved in a blocking, dredging and dynamic and static sealing combined mode, the replacement period of the packing seal is prolonged, and the long-period safe production of equipment is ensured.

Description

Packing sealing box of reciprocating hydrogen compressor

Technical Field

The utility model relates to a seal assembly field, concretely relates to reciprocating type hydrogen compressor packing sealing box.

Background

The structure of the packing sealing box commonly used at present is as follows: the stuffing box comprises a plurality of groups of stuffing boxes, sealing rings are arranged on the stuffing boxes, each group of stuffing boxes is sealed by an O-shaped sealing ring, and the installation sequence is as follows: and the part of the packing seal box (internally provided with a labyrinth ring or a throttle ring) mounted at the end of the cylinder is → the part of the packing seal box (internally provided with a radial ring, a tangential ring and an O-shaped ring) is → the part of the flange gland. The disadvantages of this form of seal are: because the piston rod reciprocates frequently, the abrasion of the sealing filler caused by the long-time operation of the compressor is inevitable, and the sealing leakage of a moving part is easily caused; the long-period safe operation of mechanical equipment cannot be ensured only by using a blocking method.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a reciprocating type hydrogen compressor packing sealing box.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a reciprocating type hydrogen compressor packing sealing box, is including being used for packing seal box, the gas leakage recovery box of suit on the piston rod of compressor in proper order, quiet seal box and the sealed box of filling nitrogen, packing seal box is including first dynamic seal box and a plurality of groups second dynamic seal box, first dynamic seal box is including the choke ring, the second dynamic seal box is including radial ring, O type ring and tangential ring, gas leakage recovery box intercommunication exhaust duct, quiet seal box comprises two Y type sealing washers and a first O type sealing washer, first O type sealing washer is established two between the Y type sealing washer, the left side of filling nitrogen seal box is equipped with a set ofly the second dynamic seal box.

Furthermore, a second O-shaped sealing ring is arranged between the second dynamic sealing boxes in the packing sealing box. The sealing performance between the second dynamic sealing boxes is improved.

Further, the Y-shaped groove of the Y-shaped sealing ring close to the air leakage recovery box faces the air leakage recovery box. When air leakage occurs, the Y-shaped sealing ring can be expanded by air, so that the sealing effect is better.

Further, the Y-shaped groove of the Y-shaped sealing ring close to the nitrogen-filled seal faces the nitrogen-filled seal. When nitrogen is filled, the Y-shaped sealing ring can be expanded by the gas, so that the sealing effect is better.

Compared with the prior art, the beneficial effects of the utility model are embodied in: the sealing box can discharge a small amount of leaked gas to an exhaust pipeline through the gas leakage recovery box, and then seals low-pressure gas leakage through the static sealing box and the nitrogen-filled sealing box, so that the problems of pollution and potential safety hazard of the long-period running of the compressor to the environment caused by the leakage of toxic, harmful, flammable and explosive gases are solved in a blocking, dredging and dynamic and static sealing combined mode, the replacement period of the packing seal is prolonged, and the long-period safe production of equipment is ensured.

Drawings

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

Fig. 1 is a schematic structural view of the present invention;

reference numerals: 1. a leakage recovery box; 2. a static seal box; 3. filling nitrogen into the sealed box; 4. a first dynamic seal box; 5. a second dynamic seal box; 6. a second O-ring seal; 11. an exhaust duct; 21. a Y-shaped seal ring; 22. a first O-ring seal; 41. a restrictor ring; 51. a radial ring; 52. an O-ring; 53. a tangential ring.

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 a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a reciprocating type hydrogen compressor packing sealing box, including being used for the packing seal box of suit on the piston rod of compressor in proper order, box 1 is retrieved in the gas leakage, quiet seal box 2 and the sealed box 3 of filling nitrogen, the packing seal box is including first dynamic seal box 4 and a plurality of groups second dynamic seal box 5, first dynamic seal box 4 is including choke ring 41, second dynamic seal box 5 is including radial ring 51, O type ring 52 and tangential ring 53, box 1 intercommunication exhaust duct 11 is retrieved in the gas leakage, quiet seal box 2 comprises two Y type sealing washers 21 and a first O type sealing washer 22, first O type sealing washer 22 is established between two Y type sealing washers 21, the left side of the sealed box 3 of filling nitrogen is equipped with a set of second dynamic seal box 5.

And a second O-shaped sealing ring 6 is arranged between the second dynamic sealing boxes 5 in the packing sealing box. The sealing performance between the second dynamic sealing boxes 5 is improved.

The Y-shaped groove of the Y-shaped seal 21 adjacent to the leak recovery box 1 faces the leak recovery box 1. When air leakage occurs, the Y-shaped sealing ring can be expanded by air, so that the sealing effect is better.

The Y-shaped groove of the Y-shaped seal 21 adjacent to the nitrogen-filled sealed box 3 faces the nitrogen-filled sealed box 3. When nitrogen is filled, the Y-shaped sealing ring can be expanded by the gas, so that the sealing effect is better.

The operation principle is as follows: the first movable seal box 4 and the second movable seal box 5 which are arranged play a role in preliminary leakage prevention, wherein a small amount of gas which leaks can not be blocked is discharged into an exhaust guide pipe through the gas leakage recovery box 1, the problem of early-stage seal leakage is solved, a Y-shaped groove close to a Y-shaped sealing ring 21 of the gas leakage recovery box 1 in the static seal box 2 is installed towards the direction of the gas leakage recovery box 1, when gas leakage occurs, the gas can expand the Y-shaped sealing ring, so that the sealing effect is better, the Y-shaped groove close to the Y-shaped sealing ring 21 which is sealed by nitrogen filling is installed towards the nitrogen filling seal box 3, when nitrogen is filled, the gas can expand the Y-shaped sealing ring, so that the sealing effect is better, the nitrogen filled in the nitrogen filling seal box 3 plays a role in sealing and diluting the leaked gas, and the piston rod can also be cooled.

Has the advantages that: the sealing box can discharge a small amount of leaked gas to an exhaust pipeline through the gas leakage recovery box, and then seals low-pressure gas leakage through the static sealing box and the nitrogen-filled sealing box, so that the problems of pollution and potential safety hazard of the long-period running of the compressor to the environment caused by the leakage of toxic, harmful, flammable and explosive gases are solved in a blocking, dredging and dynamic and static sealing combined mode, the replacement period of the packing seal is prolonged, and the long-period safe production of equipment is ensured.

The above description is further detailed for the present invention with reference to specific embodiments, and it should not be construed that the embodiments of the present invention are limited to the above description. It will be apparent to those skilled in the art that various simple deductions or substitutions can be made to the above embodiments without departing from the spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a reciprocating type hydrogen compressor packing seal box, is including being used for packing seal box, the gas leakage recovery box of suit on the piston rod of compressor in proper order, quiet seal box and the sealed box of filling nitrogen, its characterized in that, packing seal box is including first dynamic seal box and a plurality of groups second dynamic seal box, first dynamic seal box is including the restrictor ring, the second dynamic seal box is including radial ring, O type ring and tangential ring, gas leakage recovery box intercommunication exhaust duct, quiet seal box comprises two Y type sealing washers and a first O type sealing washer, first O type sealing washer is established two between the Y type sealing washer, the left side of filling nitrogen seal box is equipped with a set of the second dynamic seal box.

2. The stuffing seal box of a reciprocating hydrogen compressor according to claim 1, wherein a second O-ring is provided between said second dynamic seal box of said stuffing seal boxes.

3. The reciprocating hydrogen compressor stuffing seal according to claim 1 wherein the Y-groove of said Y-ring adjacent to said blow-by gas recovery cartridge faces said blow-by gas recovery cartridge.

4. The reciprocating hydrogen compressor stuffing seal according to claim 1 wherein said Y-groove of said Y-ring adjacent to said nitrogen-filled seal faces said nitrogen-filled seal cartridge.