CN222132360U - Compressor liquid injection device - Google Patents
Compressor liquid injection device Download PDFInfo
- Publication number
- CN222132360U CN222132360U CN202323590632.1U CN202323590632U CN222132360U CN 222132360 U CN222132360 U CN 222132360U CN 202323590632 U CN202323590632 U CN 202323590632U CN 222132360 U CN222132360 U CN 222132360U
- Authority
- CN
- China
- Prior art keywords
- sealing
- sealing ring
- flange
- liquid injection
- ball valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002347 injection Methods 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 title claims abstract description 31
- 239000007924 injection Substances 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 114
- 239000007921 spray Substances 0.000 claims abstract description 7
- 230000037452 priming Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012155 injection solvent Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model belongs to the technical field of compressor cleaning devices, and particularly relates to a compressor liquid injection device which comprises a spray head assembly, a sealing assembly and a ball valve, wherein the spray head assembly comprises a head end flange, a valve, a nonstandard flange and a liquid injection pipe, the sealing assembly comprises a sealing body, a sealing nut and an inner sealing ring group, the nonstandard flange is connected with a middle flange connecting hole of the sealing body through a group of long rods, the ball valve is provided with flange connecting holes at two ends, the flange connecting holes of the ball valve are connected with flange connecting holes at the tail end of the sealing body through bolts, and the liquid injection pipe head end sequentially penetrates through the sealing body and the ball valve and is inserted into a compressor to perform liquid injection.
Description
Technical Field
The utility model belongs to the technical field of compressor cleaning devices, and particularly relates to a compressor liquid injection device.
Background
Centrifugal compressors are important in various sectors of the industrial field, and are widely used in particular in the sectors of petrochemical industry, metallurgy, natural gas transportation, refrigeration, power and other industries.
The product gas (including the cracking gas in the large ethylene device and the cracking gas in the large olefin production, the product gas) compressor, because the medium contains olefin, high molecular hydrocarbon, peroxide, sulfide, nitrogen oxide and other substances, the substances can undergo polymerization reaction at a certain temperature and pressure, namely a coking phenomenon, the coked material easily blocks an impeller, a baffle plate and a runner and seals in a shell, and meanwhile, partial liquid drops wash the impeller along with the gas flow, so that the pneumatic performance of the compressor is influenced, and the mechanical performance and the service life of the compressor are also influenced. Thus, during production, water injection or organic solvent oil injection is often used to avoid or limit coking. Therefore, it is necessary to develop a liquid injection device for a compressor to inject liquid into the compressor.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a compressor priming device which comprises a nozzle component, a sealing component and a ball valve,
The spray head assembly comprises a head end flange, a valve, a nonstandard flange and a liquid injection pipe, wherein the head end flange is welded on the valve and is of an integral structure, comprises a flange connecting part and a reducing part, and is internally provided with a coaxial through hole;
The sealing assembly comprises a sealing body, a sealing nut and an inner sealing ring set, wherein the sealing body is integrally arranged on the periphery of a liquid injection pipe, the front end of the sealing body is sealed with the liquid injection pipe through the sealing nut, flange connecting holes are distributed at the middle part and the tail end of the sealing body, the inner sealing ring set is arranged between the head end of the sealing body and the liquid injection pipe, the inner sealing ring set comprises a first sealing ring, an intermediate sealing ring and a second sealing ring, the plurality of the intermediate sealing rings are arranged in a V shape and are adhered to each other, the contact surface of the first sealing ring and the intermediate sealing ring is provided with a V-shaped concave, the contact surface of the second sealing ring and the intermediate sealing ring is provided with a V-shaped bulge, the first sealing ring and the second sealing ring are used for fixing the plurality of intermediate sealing rings, and a clamping groove is arranged on the outer end surface of the second sealing ring and is internally provided with a circle of sealing rings with vertical surfaces and inclined surfaces;
the nonstandard flange is connected with the middle flange connecting hole of the sealing body through a group of long rods;
The ball valve is characterized in that flange connecting holes are formed in two ends of the ball valve, the flange connecting holes of the ball valve are connected with the tail end of the sealing body through bolts, and the end of the liquid injection pipe head sequentially penetrates through the sealing body and the ball valve and is inserted into the compressor to perform liquid injection.
Furthermore, the connecting hole on the nonstandard flange and the flange connecting hole in the middle of the sealing body are round through holes with smooth inner walls, and the outer sides of the long rod opposite-penetrating round through holes are fixedly connected through nuts and gaskets.
Further, the device also comprises a flange connection group, wherein the flange connection group is arranged between the ball valve and the compressor.
In the technical scheme, the sealing body is connected with the nonstandard flange. The original sealing body is a threaded hole, changed into a through hole, added with a nut and a gasket, more convenient to assemble, and the connecting size of the throttling ring and the sealing ring is changed, the inclination angle is increased on the throttling ring, and the inner diameter size of the sealing ring is reduced. The flange and the reducer union are changed into an integrated structure from a welded split structure, so that the coaxiality requirement can be well ensured.
Drawings
Fig. 1 is a structural diagram of the present utility model.
FIG. 2 is a schematic view of the internal seal ring set of the present utility model.
FIG. 3 is a schematic view of a middle flange connection hole of a nonstandard flange and a sealing body.
FIG. 4 is a schematic structural view of a second seal ring;
fig. 5 is a schematic structural view of a head end flange.
1. The sealing device comprises a head end flange, a valve, a 3 non-standard flange, a 4 liquid injection pipe, a 5 sealing body, a6 sealing nut, a 7 middle flange connecting hole, a 8 first sealing ring, a 9 middle sealing ring, a10 second sealing ring, a 11 clamping groove, a 12 sealing ring, a 13 long rod, a 14 connecting hole, a 15 ball valve, a 16 clamping ring.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a compressor priming device, comprising a spray head assembly, a seal assembly and a ball valve 15,
The spray head assembly comprises a head end flange 1, a valve 2, a nonstandard flange 3 and a liquid injection pipe 4, wherein the head end flange 1 is welded on the valve 2 and is of an integral structure, comprises a flange connecting part and a reducing part, and is internally provided with a coaxial through hole;
The sealing assembly comprises a sealing body 5, a sealing nut 6 and an inner sealing ring group, wherein the sealing body 5 is integrally arranged on the periphery of a liquid injection pipe 4, the front end of the sealing body is sealed with the liquid injection pipe 4 through the sealing nut 6, flange connecting holes are distributed at the middle part and the tail end of the sealing body, the inner sealing ring group is arranged between the head end of the sealing body 5 and the liquid injection pipe 4, the inner sealing ring group comprises a plurality of pressing rings 16, a first sealing ring 8, middle sealing rings 9 and a second sealing ring 10, the middle sealing rings 9 are arranged in a V shape and are mutually attached, the contact surface of the first sealing ring 8 with the middle sealing ring 9 is provided with a V-shaped concave, the contact surface of the second sealing ring 10 with the middle sealing ring 9 is provided with a V-shaped bulge, the first sealing ring 8 and the second sealing ring 10 are used for fixing the plurality of middle sealing rings 9, the outer end surface of the second sealing ring 10 is provided with a clamping groove 11, a circle of sealing rings 12 are arranged in the clamping groove 11, and the clamping groove 11 is provided with a vertical surface and an inclined surface (inclination angle);
the nonstandard flange 3 is connected with the middle flange connecting hole 7 of the sealing body 5 through a group of long rods 13;
The ball valves 15 are arranged at two ends of the ball valves 15, the flange connection holes of the ball valves 15 are connected with the tail end of the sealing body 5 through bolts, and the head end of the liquid injection pipe 4 sequentially penetrates through the sealing body 5 and the ball valves 15 and is inserted into the compressor for liquid injection. The ball valve 15 is closed when no injection of liquid is required.
As an improvement of the scheme, the connecting hole 14 on the nonstandard flange 3 and the flange connecting hole 7 in the middle of the sealing body 5 are round through holes with smooth inner walls, and the outer sides of the long rods 13 pass through the round through holes in pairs and are fixedly connected through nuts and gaskets.
As an improvement, a flange connection set is further included, which is disposed between the ball valve 15 and the compressor, and may be provided for connection as needed.
The original sealing body 5 and the nonstandard flange 3 are connected by a screw, one end is a unthreaded hole, the other end is a threaded hole, the connection length is about 200mm, and due to the machining error of the threads, a small inclination angle exists, and after the inclination angle extends to 200mm, the deviation can be added to 2-3mm. The two ends are changed into unthreaded hole connection, so that machining errors can be well contained, and the installation is convenient and quick. Nuts and washers are added on two sides of the flange of the sealing body 5, and the positioning function can be achieved. When the internal sealing ring set and the O-shaped sealing ring 12 are assembled in a workshop, the O-shaped ring is frequently fallen off, a small inclination angle is added to the connecting part, namely, a clamping groove 11 is formed in the outer side end face of the second sealing ring 10, a circle of sealing ring 12 is placed in the clamping groove 11, the clamping groove 11 is provided with a vertical surface and an inclined surface (inclination angle), the sealing ring 12 is placed in the clamping groove 11, and meanwhile, the inner diameter of the sealing ring 12 is reduced, so that reliable connection can be realized. The original flange and the reducing joint adopt welded structures, the reducing joint and the flange are welded, coaxiality is difficult to ensure, the phenomenon of misalignment is frequently used, the appearance is not attractive, and the strength is also easy to reduce. The flange and the reducer union are changed into an integrated structure from a welded split structure, so that the coaxiality requirement is ensured.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (3)
1. A liquid injection device of a compressor is characterized by comprising a spray head component, a sealing component and a ball valve,
The spray head assembly comprises a head end flange, a valve, a nonstandard flange and a liquid injection pipe, wherein the head end flange is welded on the valve and is of an integral structure, comprises a flange connecting part and a reducing part, and is internally provided with a coaxial through hole;
The sealing assembly comprises a sealing body, a sealing nut and an inner sealing ring set, wherein the sealing body is integrally arranged on the periphery of a liquid injection pipe, the front end of the sealing body is sealed with the liquid injection pipe through the sealing nut, flange connecting holes are distributed at the middle part and the tail end of the sealing body, the inner sealing ring set is arranged between the head end of the sealing body and the liquid injection pipe, the inner sealing ring set comprises a first sealing ring, an intermediate sealing ring and a second sealing ring, the plurality of the intermediate sealing rings are arranged in a V shape and are adhered to each other, the contact surface of the first sealing ring and the intermediate sealing ring is provided with a V-shaped concave, the contact surface of the second sealing ring and the intermediate sealing ring is provided with a V-shaped bulge, the first sealing ring and the second sealing ring are used for fixing the plurality of intermediate sealing rings, and a clamping groove is arranged on the outer end surface of the second sealing ring and is internally provided with a circle of sealing rings with vertical surfaces and inclined surfaces;
the nonstandard flange is connected with the middle flange connecting hole of the sealing body through a group of long rods;
The ball valve is characterized in that flange connecting holes are formed in two ends of the ball valve, the flange connecting holes of the ball valve are connected with the tail end of the sealing body through bolts, and the end of the liquid injection pipe head sequentially penetrates through the sealing body and the ball valve and is inserted into the compressor to perform liquid injection.
2. The compressor priming device of claim 1, wherein the connecting hole on the nonstandard flange and the flange connecting hole in the middle of the sealing body are round through holes with smooth inner walls, and the outer sides of the long rod opposite-penetrating round through holes are connected through bolts.
3. A compressor priming device as recited in claim 1, further comprising a flanged set disposed between the ball valve and the compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323590632.1U CN222132360U (en) | 2023-12-28 | 2023-12-28 | Compressor liquid injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323590632.1U CN222132360U (en) | 2023-12-28 | 2023-12-28 | Compressor liquid injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222132360U true CN222132360U (en) | 2024-12-10 |
Family
ID=93738360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323590632.1U Active CN222132360U (en) | 2023-12-28 | 2023-12-28 | Compressor liquid injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222132360U (en) |
-
2023
- 2023-12-28 CN CN202323590632.1U patent/CN222132360U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110998159A (en) | Movable joint | |
| CN107166113A (en) | Adaptive pipe jointer oval under water | |
| CN110985787A (en) | Low-temperature rotary joint structure | |
| CN222132360U (en) | Compressor liquid injection device | |
| CN216590386U (en) | Sealing joint structure free of steel pipe welding | |
| CN211118122U (en) | Conveying pipeline and its connecting device | |
| CN216112294U (en) | Vacuum ball valve | |
| CN214469429U (en) | Enhanced vapor injection assembly and compressor | |
| US12215797B2 (en) | Internally-sealed one-piece external thread ball valve | |
| CN110925502B (en) | Metal hose with good installation tightness | |
| CN111981217A (en) | Anti-loosening structure for bolt on water pump pipeline | |
| CN208871205U (en) | A kind of flange seal mat structure | |
| CN113464751A (en) | High-pressure oil pipe and high-pressure oil pipe assembling method | |
| CN217355690U (en) | Multiple sealing leakage-proof high-temperature high-pressure check valve | |
| CN222634050U (en) | A pipe connection assembly | |
| CN214947272U (en) | Pipe connecting piece and pipe connection structure of pump or compressor | |
| CN111022286A (en) | Split plunger mud pump convenient to mix liquid | |
| CN222334520U (en) | Butterfly valve convenient to overhaul | |
| CN222297052U (en) | Check valve for liquefied natural gas storage and transportation | |
| CN222617712U (en) | Expansion type heat exchange tube plugging device in heat exchanger | |
| CN220452844U (en) | Valve capable of enhancing connection tightness | |
| CN219977708U (en) | Pressure testing tool for ultralow-temperature large-caliber high-pressure valve | |
| CN218935340U (en) | Spring energy storage sealing washer metal hard seal fixed ball valve | |
| CN220487509U (en) | Easy-to-connect water injection anticorrosion central tube for petroleum machinery | |
| CN215334469U (en) | Mechanical sealing device for low-temperature pump at temperature of-196 DEG C |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |