CN113958872A - Leakage recovery system of dry gas sealed compressor - Google Patents
Leakage recovery system of dry gas sealed compressor Download PDFInfo
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- CN113958872A CN113958872A CN202111204117.8A CN202111204117A CN113958872A CN 113958872 A CN113958872 A CN 113958872A CN 202111204117 A CN202111204117 A CN 202111204117A CN 113958872 A CN113958872 A CN 113958872A
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- gas
- compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/065—Arrangements for producing propulsion of gases or vapours
- F17D1/07—Arrangements for producing propulsion of gases or vapours by compression
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Pipeline Systems (AREA)
Abstract
The invention discloses a leaked gas recovery system of a dry gas sealed compressor, which comprises a leaked gas recovery mechanism and a main compressor, wherein the main compressor is provided with a dry gas sealing element, a leakage port is arranged at the position of the dry gas sealing element, a gas inlet of the main compressor is communicated with a gas supply main pipe, a gas outlet of the main compressor is communicated with a gas outlet main pipe, the leaked gas recovery mechanism is provided with a gas inlet, a recovery port and a discharge port, one of the recovery port and the discharge port of the leaked gas recovery mechanism is communicated with the gas inlet, the leakage port is communicated with the gas inlet of the leaked gas recovery mechanism, the recovery port of the leaked gas recovery mechanism is communicated with the gas supply main pipe, the structure is simple, and the leaked gas of the main compressor is sent back to a main gas supply pipe through the recovery port or discharged through the discharge port through the leaked gas recovery mechanism, so that the whole leaked gas recovery mechanism has various functions, the adaptability is strong, and the collected gas can be flexibly selected to be discharged or recycled.
Description
Technical Field
The invention belongs to the field of gas transmission equipment, and particularly relates to a leakage recovery system of a dry gas sealed compressor.
Background
In the natural gas treatment and conveying process, a dry gas sealing compressor with sealing gas as natural gas is mostly adopted by the booster compressor. The natural gas that reveals that this dry gas is sealed in conventional design adopts special blow-down pipe direct discharge, causes waste and environmental pollution, and there is the risk of conflagration breaing out simultaneously still because combustible gas gathers in discharge opening department.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a dry gas hermetic compressor leakage recovery system that has a simple structure and is convenient to use.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a dry gas seal compressor leaks gaseous recovery system, retrieves mechanism and main compressor including gas leakage, be equipped with the dry gas sealing member on the main compressor, dry gas sealing member department is equipped with the leakage hole, the air inlet and the air main supply line intercommunication of main compressor, the gas outlet and the air main supply line intercommunication of main compressor, gas leakage is retrieved the mechanism and is had the air inlet, is retrieved mouthful and the discharge port, just gas leakage is retrieved the recovery mouth of mechanism and the alternative rather than the air inlet intercommunication of discharge port, leak the mouth with gas leakage retrieves the air inlet intercommunication of mechanism, gas leakage retrieve the recovery mouth of mechanism with the air main supply line intercommunication.
The beneficial effects of the above technical scheme are that: the gas recovery mechanism is simple in structure, and gas leaked from the main compressor is sent back to the main gas supply pipe through the recovery port or discharged through the discharge port through the gas leakage recovery mechanism, so that the whole gas leakage recovery mechanism is multifunctional, strong in adaptability and capable of flexibly selecting to discharge or recover the collected gas.
In the above technical scheme, the main compressor is equipped with a plurality ofly, every be equipped with a dry gas sealing member on the main compressor respectively, and be a plurality of the air inlet of main compressor all with the gas supply house steward intercommunication, it is a plurality of the gas outlet of main compressor all with the house steward intercommunication of giving vent to anger, it is a plurality of leak opening all with the air inlet intercommunication of mechanism is retrieved in the gas leakage.
The beneficial effects of the above technical scheme are that: thus making it more efficient to deliver air.
In the above technical scheme the gas leakage recovery mechanism includes first tee bend, retrieves compressor and tail gas treater, the tail gas treater has air inlet and gas outlet, and is a plurality of leak opening with arbitrary interface intercommunication of first tee bend, remaining interface of first tee bend with retrieve the air inlet intercommunication of compressor, and the two intercommunication department is equipped with first valve, retrieve the gas outlet of compressor with the gas main intercommunication, and constitute the recovery mouth of gas leakage recovery mechanism, another remaining interface of first tee bend with the air inlet intercommunication of tail gas treater, and the two intercommunication department is equipped with the second valve, the gas outlet of tail gas treater constitutes the discharge port of gas leakage recovery mechanism.
The beneficial effects of the above technical scheme are that: the collected gas is compressed by the recovery compressor through the arrangement of the recovery compressor and the tail gas processor so as to be recovered or is subjected to harmless treatment by the tail gas processor so as to be discharged.
In the above technical scheme the gas leakage recovery mechanism still includes liquid seal spare, first valve with the intercommunication department of retrieving the air inlet of compressor is equipped with the second tee bend, the second valve with the intercommunication department of tail gas treater air inlet is equipped with the third tee bend, liquid seal spare has two interfaces, an interface of liquid seal spare with a remaining interface of second tee bend intercommunication, another interface of liquid seal spare with a remaining interface of third tee bend intercommunication, and the two intercommunication department is equipped with the third valve, liquid seal spare is used for avoiding the air warp the discharge port is in enter into under the effect of retrieving the compressor recovery mouth.
The beneficial effects of the above technical scheme are that: avoid the outside air to enter into the gas leakage through the tail gas treater and retrieve in the mechanism and permeate and retrieve in the compressor of retrieving through setting up liquid seal spare and compress and retrieve.
In the technical scheme, the liquid seal piece is a vertically arranged U-shaped pipe, liquid is filled in the U-shaped pipe, and two ends of the U-shaped pipe respectively form two interfaces of the U-shaped pipe.
The beneficial effects of the above technical scheme are that: the U-shaped pipe is adopted to communicate the discharge port with the air inlet of the recovery compressor, and liquid is filled in the U-shaped pipe, so that the liquid level heights of the two ends in the U-shaped pipe are inconsistent due to the pressure difference between the two ends of the U-shaped pipe when the recovery compressor works, but the liquid seal avoids the possibility that the two ends are completely sealed to completely prohibit air from entering the recovery compressor.
In the above technical scheme, the air leakage recovery mechanism further comprises a regulating valve, and the regulating valve is arranged at the communication position of the second tee joint and the liquid seal piece.
The beneficial effects of the above technical scheme are that: so the liquid in the accessible governing valve is timely avoids the liquid seal to be inhaled in the recovery compressor at the negative pressure effect.
In the technical scheme, the liquid is water.
The beneficial effects of the above technical scheme are that: it will not volatilize and has a high density, which can be avoided.
In the technical scheme, the gas conveyed in the gas supply main pipe is combustible gas, and the tail gas processor is a discharge torch.
The beneficial effects of the above technical scheme are that: thus, the discharged combustible gas can be combusted, so that the pollution to the environment is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a dry gas hermetic compressor leakage gas recovery system according to an embodiment of the present invention.
In the figure: 11 a first tee joint, 12 a recovery compressor, 13 a tail gas processor, 141 a first valve, 142 a second valve, 143 a third valve, 15 a liquid seal piece, 16 a second tee joint, 17 a third tee joint, 18 a regulating valve and 2 a main compressor.
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the embodiment provides a dry gas sealed compressor leakage gas recovery system, which comprises a gas leakage recovery mechanism and a main compressor 2, wherein the main compressor 2 is provided with a dry gas sealing element, the dry gas sealing element is provided with a leakage port, a gas inlet of the main compressor 2 is communicated with a gas supply main pipe, a gas outlet of the main compressor 2 is communicated with a gas outlet main pipe, the gas leakage recovery mechanism is provided with a gas inlet, a recovery port and a discharge port, the recovery port and the discharge port of the gas leakage recovery mechanism are alternatively communicated with the gas inlet, the leakage port is communicated with the gas inlet of the gas leakage recovery mechanism, the recovery port of the gas leakage recovery mechanism is communicated with the gas supply main pipe, the structure is simple, and the leaked gas of the main compressor is sent back to a main gas supply pipe through the recovery port or discharged through the discharge port through the gas leakage recovery mechanism, so that the whole gas leakage recovery mechanism has multiple functions, the adaptability is strong, and the collected gas can be flexibly selected to be discharged or recycled.
Wherein, among the above-mentioned technical scheme main compressor 2 is equipped with a plurality ofly, every be equipped with a dry gas sealing member on the main compressor 2 respectively, and be a plurality of main compressor 2's air inlet all with the gas main intercommunication, it is a plurality of main compressor 2's gas outlet all with the house steward intercommunication of giving vent to anger, it is a plurality of the leakage opening all with the air inlet intercommunication of mechanism is retrieved in the gas leakage, so make its efficiency of supplying gas higher.
Among the above-mentioned technical scheme gas leakage recovery mechanism includes first tee bend 11, retrieves compressor 12 and tail gas treater 13, tail gas treater 13 has air inlet and gas outlet, and is a plurality of leak the mouth with any one interface intercommunication of first tee bend 11, an interface of remaining of first tee bend 11 with retrieve the air inlet intercommunication of compressor 12, and two intercommunication departments are equipped with first valve 141, retrieve compressor 12 the gas outlet with the air supply main intercommunication, and constitute gas leakage recovery mechanism's recovery mouth, another interface of remaining of first tee bend 11 with tail gas treater 13's air inlet intercommunication, and two intercommunication departments are equipped with second valve 142, tail gas treater 13's gas outlet constitutes gas leakage recovery mechanism's discharge port is retrieved compressor and tail gas treater through setting up and is retrieved compressor and tail gas treater and come to compress the gas of collecting in order to retrieve or utilize the tail gas treater to carry out innocent treatment with the row's of arranging the tail gas treater and carry out innocent treatment with the discharge And (6) discharging.
In the above technical solution, the air leakage recovery mechanism further comprises a liquid seal member 15, a second tee joint 16 is arranged at a communication position of the first valve 141 and the air inlet of the recovery compressor 12, a third tee joint 17 is arranged at the communication position of the second valve 142 and the air inlet of the tail gas processor 13, the liquid seal member 15 has two ports, one port of the liquid seal member 15 is communicated with the rest port of the second tee joint 16, the other port of the liquid seal member 15 is communicated with the rest port of the third tee joint 17, and a third valve 143 is arranged at the communication position of the two, the liquid seal member 15 is used for preventing air from entering the recovery port through the discharge port under the action of the recovery compressor 12, avoid the outside air to enter into the gas leakage through the tail gas treater and retrieve in the mechanism and permeate and retrieve in the compressor of retrieving through setting up liquid seal spare and compress and retrieve.
In the above technical solution, the liquid sealing member 15 is a U-shaped tube vertically arranged, liquid is filled in the U-shaped tube, and two ends of the U-shaped tube respectively form two interfaces thereof, that is, the U-shaped tube is adopted to communicate the discharge port with the air inlet of the recovery compressor, and liquid is filled in the U-shaped tube, so that when the recovery compressor works, the pressure difference between the two ends of the U-shaped tube causes the liquid level at the two ends of the U-shaped tube to be inconsistent, but the liquid sealing avoids the possibility of completely sealing the two ends to completely prohibit air from entering the recovery compressor.
In the above technical scheme, the air leakage recovery mechanism further comprises an adjusting valve 18, the adjusting valve 18 is arranged at the communication position of the second tee joint 16 and the liquid seal piece 15, so that the liquid in the liquid seal piece can be prevented from being sucked into the recovery compressor under the action of negative pressure timely through the adjusting valve.
In the technical scheme, the liquid is water, can not volatilize, has high density and can be avoided.
In the above technical solution, the gas conveyed in the gas supply main is a combustible gas, and the tail gas processor 13 is a discharge torch, so that the discharged combustible gas can be combusted to reduce environmental pollution.
Preferably, the combustible gas is natural gas.
Wherein, when the gas leaking from the leakage opening needs to be emptied, the first valve and the third valve are closed, the second valve is opened, the gas can be discharged after being processed by the tail gas processor, when the gas leaking from the leakage opening needs to be recovered, and the total leakage amount of each leakage opening is not large, the first valve and the third valve are opened, the second valve is closed, the gas leaking from each leakage opening is recovered to the gas supply main pipe through the recovery compressor, at the moment, the first gas passage from the first valve and the second valve to the recovery compressor is in negative pressure, the tail gas processor is communicated with the outside through the third valve and the second gas passage from the third valve to the liquid sealing piece, the hydraulic buffer function is provided between the first gas passage and the second gas passage through the liquid sealing piece, and the pressure difference between the first gas passage and the second gas passage is balanced by the liquid level difference, this prevents air from penetrating into the first gas passage through the second valve due to poor airtightness of the second valve. When the total leakage amount of each leakage port is larger, the first gas passage is in positive pressure and is larger than the normal pressure of the second gas passage, and the liquid seal pressure of the liquid seal piece is broken through and is discharged into the tail gas processor through the second gas passage, so that the safe operation of the whole leakage recovery mechanism is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a dry gas seal compressor leaks gaseous recovery system, a serial communication port, retrieve mechanism and main compressor (2) including leaking gas, be equipped with the dry gas sealing member on main compressor (2), dry gas sealing member department is equipped with the leakage hole, the air inlet and the air main supply intercommunication of main compressor (2), the gas outlet and the air main supply intercommunication of main compressor (2), leak gas is retrieved the mechanism and is had the air inlet, is retrieved mouthful and the discharge port, just the recovery mouth and the discharge port alternative of mechanism are retrieved in leak gas rather than the air inlet intercommunication, leak hole with leak gas retrieves the air inlet intercommunication of mechanism, leak gas retrieve the recovery mouth of mechanism with the air main supply intercommunication.
2. The dry gas seal compressor leakage gas recovery system according to claim 1, wherein the main compressor (2) is provided with a plurality of dry gas seals, each main compressor (2) is provided with one dry gas seal, the gas inlets of the main compressors (2) are communicated with the gas supply main pipe, the gas outlets of the main compressors (2) are communicated with the gas outlet main pipe, and the leakage ports are communicated with the gas inlet of the leakage gas recovery mechanism.
3. The dry gas seal compressor leakage gas recovery system according to claim 2, wherein the leakage gas recovery mechanism comprises a first tee joint (11), a recovery compressor (12) and a tail gas processor (13), the tail gas processor (13) has a gas inlet and a gas outlet, a plurality of leakage ports are communicated with any one port of the first tee joint (11), the remaining port of the first tee joint (11) is communicated with the gas inlet of the recovery compressor (12) and provided with a first valve (141), the gas outlet of the recovery compressor (12) is communicated with the gas supply main pipe and forms the recovery port of the leakage gas recovery mechanism, the remaining port of the first tee joint (11) is communicated with the gas inlet of the tail gas processor (13) and provided with a second valve (142), and the gas outlet of the tail gas processor (13) forms a discharge outlet of the gas leakage recovery mechanism.
4. The dry gas hermetic compressor leakage gas recovery system according to claim 3, the air leakage recovery mechanism also comprises a liquid seal piece (15), a second tee joint (16) is arranged at the communication position of the first valve (141) and the air inlet of the recovery compressor (12), a third tee joint (17) is arranged at the communication position of the second valve (142) and the air inlet of the tail gas processor (13), the liquid seal piece (15) is provided with two interfaces, one interface of the liquid seal piece (15) is communicated with the rest interface of the second tee joint (16), the other interface of the liquid seal piece (15) is communicated with the rest interface of the third tee joint (17), and a third valve (143) is arranged at the communication position of the two, and the liquid seal piece (15) is used for preventing air from entering the recovery port through the discharge port under the action of the recovery compressor (12).
5. The dry gas seal compressor leakage gas recovery system according to claim 4, wherein the liquid seal member (15) is a vertically arranged U-shaped pipe, the U-shaped pipe is filled with liquid, and two ends of the U-shaped pipe respectively form two interfaces thereof.
6. The dry gas hermetic compressor leakage gas recovery system according to claim 5, wherein the leakage gas recovery mechanism further comprises a regulating valve (18), the regulating valve (18) being disposed at a communication of the second tee (16) and the liquid seal (15).
7. The dry gas hermetic compressor leakage gas recovery system according to claim 5, wherein the liquid is water.
8. The dry gas hermetic compressor leakage gas recovery system according to claims 3-7, wherein the gas transported in the gas supply manifold is a combustible gas and the tail gas processor (13) is a discharge flare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111204117.8A CN113958872A (en) | 2021-10-15 | 2021-10-15 | Leakage recovery system of dry gas sealed compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111204117.8A CN113958872A (en) | 2021-10-15 | 2021-10-15 | Leakage recovery system of dry gas sealed compressor |
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| CN113958872A true CN113958872A (en) | 2022-01-21 |
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| CN202111204117.8A Pending CN113958872A (en) | 2021-10-15 | 2021-10-15 | Leakage recovery system of dry gas sealed compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607584A (en) * | 2022-01-24 | 2022-06-10 | 中国神华煤制油化工有限公司 | Compressor middle body discharge device and compressor system |
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2021
- 2021-10-15 CN CN202111204117.8A patent/CN113958872A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607584A (en) * | 2022-01-24 | 2022-06-10 | 中国神华煤制油化工有限公司 | Compressor middle body discharge device and compressor system |
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