CN204140340U - Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system - Google Patents
Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system Download PDFInfo
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- CN204140340U CN204140340U CN201420480560.7U CN201420480560U CN204140340U CN 204140340 U CN204140340 U CN 204140340U CN 201420480560 U CN201420480560 U CN 201420480560U CN 204140340 U CN204140340 U CN 204140340U
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- dry gas
- transmission pipeline
- distance transmission
- gas seals
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Abstract
The utility model discloses a kind of Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system, the knock out drum comprising compressor host and be connected with compressor host, knock out drum is connected with Gao Long-distance Transmission Pipeline compressor dry gas seals one-level gas leakage.The utility model feature is: the rock gas that Gao Long-distance Transmission Pipeline compressor dry gas seals one-level is leaked can be returned to suction port of compressor and recycle, reduce the discharge of dangerous flammable explosive gas and greenhouse gases rock gas, effects of energy saving and emission reduction is remarkable, there is power consumption few, noise is low, vibrate little, reliability is high, easy and simple to handle, automaticity high, be specially adapted to Gao Long-distance Transmission Pipeline compressor, scalable existing pipeline compressor dry gas seals control system dish station, simultaneously to newly-built long-distance transport pipes compressor station can disposable configuration with pipeline compressor dry gas seals control system dish station of the present utility model, improve Security and the Economy of long-distance transport pipes compressor operating.
Description
Technical field
The utility model relates to Gao Long-distance Transmission Pipeline transportation art, is specifically related to a kind of Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system.
Background technique
At present, Gao Long-distance Transmission Pipeline compressor dry gas seals one-level is leaked gas and is directly discharged into atmosphere environment, due to the rock gas that this part gas is pure, the total release that on a typical trunk line, pipeline driven compressor end and anti-drive end dry gas seals one-level are leaked is about 300 ~ 400Nm3/d, it is one standby that the long-distance transport pipes compressor station compressor configuration of standard is that three compressors two are opened, the total displacement that such standard long-distance transport pipes compressor station dry gas seals one-level is leaked is about 600 ~ 800Nm3/d, the direct discharge that dry gas seals one-level is leaked not only causes the significant wastage of the energy, the main component of rock gas is methane simultaneously, and belonging to greenhouse gases, is also inflammable and explosive dangerous gas, and the direct discharge that dry gas seals one-level is leaked also can aggravate greenhouse effect, affects atmosphere environment, also may there is the hidden danger of secure context.
In LNG refrigeration compressor set, the normal one-level leak recovery system of dry gas seals that adopts reclaims cryogen at present, it is made to get back to the entrance of compressor, because the inlet pressure of LNG refrigeration compressor is lower, leak with dry gas seals one-level and set fire torch line pressure relatively, so direct employing compressor outlet gas, as the driving source of the gas of air ejector of emanating, utilizes air ejector of emanating just the gas that dry gas seals one-level is leaked can be sent back to suction port of compressor, realizes recycling.
Because long-distance transport pipes compressor inlet pressure is higher, general at 5.0 ~ 8.5MPaG, and its dry gas seals one-level is leaked torch pipeline upstream pressure of setting fire and is generally less than and equals 0.1MPaG, both differ greatly, and cannot directly adopt the method for air ejector of emanating to be recycled by the entrance that the rock gas that dry gas seals one-level is leaked sends back to Compressor Group.
Model utility content
The purpose of this utility model is to overcome above-mentioned not enough problem, provides a kind of Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system.
The technological scheme that the utility model is adopted for achieving the above object is: Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system, the knock out drum comprising compressor host and be connected with compressor host, described knock out drum is connected with Gao Long-distance Transmission Pipeline compressor dry gas seals one-level gas leakage.
Drainage is provided with bottom described knock out drum.
Described knock out drum is provided with security protection system.
Described security protection system comprises the first heavy reduction valve, the second heavy safety valve, triple switch valve, described reduction valve setting discharge pressure is P1, described safety valve setting discharge pressure is P2, described switch valve setting discharge pressure is P3, and set dry gas seals one-level leakage emptying barometric maximum power P4, wherein P1<P2<P3<P4.
Described compressor host installs adjustable frequency motor.
Described compressor host is multistage compressor.
Described compressor host is at different levels is all provided with cooler.
Described compressor host every grade is all provided with safety valve.
Described compressor host inter-stage is provided with gas-liquid separator, and is provided with blowoff electromagnetic valve in bottom.
Described knock out drum and Gao Long-distance Transmission Pipeline compressor dry gas seals one-level gas leakage connecting place are provided with electromagnetic flow transmitter.
Feature of the present utility model is: the rock gas that Gao Long-distance Transmission Pipeline compressor dry gas seals drive end and anti-drive end one-level can be leaked, the entrance returning to compressor recycles, greatly reduce the discharge of dangerous flammable explosive gas and greenhouse gases rock gas, provide significant conservation the energy simultaneously, it is remarkable that it has effects of energy saving and emission reduction, power consumption is few, noise is low, vibrate little, reliability is high, easy and simple to handle, automaticity high, be specially adapted to Gao Long-distance Transmission Pipeline compressor, to upgrade on the one hand existing pipeline compressor dry gas seals control system dish station, simultaneously, to newly-built long-distance transport pipes compressor station, can disposable configuration with pipeline compressor dry gas seals control system dish station of the present utility model, improve Security and the Economy of long-distance transport pipes compressor operating.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Wherein: 1, compressor host 2, cooler 3, gas-liquid separator 4, knock out drum 5, electromagnetic flow transmitter 6, electrical control cabinet 7, drainage 8, adjustable frequency motor 9, reduction valve 10, safety valve 11, switch valve 12, temperature transmitter 13, pressure transmitter 14, pressure gauge 15, blowoff electromagnetic valve.
Embodiment
As shown in Figure 1, the utility model is Gao Long-distance Transmission Pipeline compressor host dry gas seals one-level leak recovery system, the knock out drum 4 comprising compressor host 1 and be connected with compressor host 1, described knock out drum 4 is connected with Gao Long-distance Transmission Pipeline compressor dry gas seals one-level gas leakage, and at the entry end of connecting place and native system, electromagnetic flow transmitter (FIQ) 5 is installed, electromagnetic flow transmitter (FIQ) 5 selects anti-explosion is electromagnetic flow transmitter, and temperature transmitter (TE) 12 is installed, pressure transmitter (PT) 13, pressure gauge (PG) 14, auto-compensation is carried out to temperature and pressure, instantaneous and the integrated flux reclaiming gas leakage is measured, in air-channel system, unit exhaust is provided with one-way valve, prevent pressurized gas from refluxing during parking, drainage 7 is provided with bottom described knock out drum 4, top is provided with multiple safety protection system, first is heavily Self-operated pressure reducing valve (PCV) 9, setting discharge pressure is P1, second is heavily safety valve (PSV) 10, setting discharge pressure is P2, 3rd attaches most importance to switch valve (XV) 11, setting discharge pressure is P3, and set dry gas seals one-level leakage emptying barometric maximum power P4, wherein P1<P2<P3<P4, described compressor host 1 is multistage compressor, reciprocating piston type multistage compressor or reciprocating diaphragm formula multistage compressor can be selected, can be the Reciprocting piston compressor of oil lubrication or oil-free lubrication, preferentially select the Reciprocting piston compressor of symmetrical balance-type, described compressor host 1 is at different levels is all provided with temperature transmitter (TE) 12, pressure transmitter (PT) 13, pressure gauge (PG) 14, on-line monitoring is carried out to temperature and pressure, described compressor host 1 is at different levels is all provided with cooler 2, air-cooled or water-cooled cooler 2 can be adopted, described compressor host 1 every grade be equipped with safety valve (PSV) 10, unloading is opened when pressure limit, and gas is guided into safe position collection or discharge, the safe operation of guarantee system, described compressor host 1 inter-stage is provided with gas-liquid separator 3, bottom is provided with blowoff electromagnetic valve (SV) 15, blowoff electromagnetic valve (SV) 15 selects explosion-proof blowoff electromagnetic valve, regular automatic pollution discharge or manual blowdown, compressor host 1 is furnished with blowdown gathering tube, the dirt of compressor host 1 gas-liquid separator at different levels 3 is made to carry out reclaiming or concentrated safe handling, described compressor host 1 installs adjustable frequency motor 8 and is connected with electrical control cabinet 6, adopt variable frequency starting and Controlled by Programmable Controller, electrical control cabinet 6 pairs of system suction pressures are low and high, exhaust pressure at different levels is high, lubricating oil pressure is low, oil temperature is high, delivery temperature height at different levels and automatic start-stop etc. carry out program monitoring operation, by motor frequency change speed governing, to adapt to the impact of the fluctuation that pipeline compressor dry gas seals one-level leakage rate may occur in running, and normal outlet pressure and outlet temperature can be ensured within the scope of design discharge, described compressor host 1 is provided with backflow bypass valve, adjustable tolerance and light-load starting, described compressor host 1 inlet pressure is set in 0.01 ~ 0.1MPaG, outlet pressure is at 5.0 ~ 8.5MPaG, all devices of the present utility model is integrated on sled block (public underframe), full sled adopts integral lifting shipment mode, Hoisting Position is located in skid, utilize the utility model, the rock gas that Gao Long-distance Transmission Pipeline compressor dry gas seals drive end and anti-drive end one-level can be leaked, return to the entrance (for high pressure operating mode) of Compressor Group, recycle, greatly reduce the discharge of dangerous flammable explosive gas and greenhouse gases rock gas, provide significant conservation the energy simultaneously.
The utility model can leak the recovery of gas simultaneously for the dry gas seals one-level under Gao Long-distance Transmission Pipeline compressor plant unit, two units or three operating states of the units, the implementation case is that station configures four units, and wherein two units run simultaneously.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to the technical solution of the utility model and inventive concept thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (10)
1. Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system, it is characterized in that: the knock out drum (4) comprising compressor host (1) and be connected with compressor host (1), described knock out drum (4) is connected with Gao Long-distance Transmission Pipeline compressor dry gas seals one-level gas leakage.
2. Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system as claimed in claim 1, is characterized in that: described knock out drum (4) bottom is provided with drainage (7).
3. Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system as claimed in claim 1, is characterized in that: described knock out drum (4) is provided with security protection system.
4. Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system as claimed in claim 3, it is characterized in that: described security protection system comprises the first heavy reduction valve (9), second heavy safety valve (10), triple switch valve (11), described reduction valve (9) setting discharge pressure is P1, described safety valve (10) setting discharge pressure is P2, described switch valve (11) setting discharge pressure is P3, and set dry gas seals one-level leakage emptying barometric maximum power P4, wherein P1<P2<P3<P4.
5. Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system as claimed in claim 1, is characterized in that: described compressor host (1) is installed adjustable frequency motor (8).
6. Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system as claimed in claim 1, is characterized in that: described compressor host (1) is multistage compressor.
7. Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system as claimed in claim 6, is characterized in that: described compressor host (1) is at different levels is all provided with cooler (2).
8. Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system as claimed in claim 6, is characterized in that: described compressor host (1) every grade is all provided with safety valve (10).
9. Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system as claimed in claim 6, is characterized in that: described compressor host (1) inter-stage is provided with gas-liquid separator (3), and is provided with blowoff electromagnetic valve (15) in bottom.
10. Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system as claimed in claim 1, is characterized in that: described knock out drum (4) and Gao Long-distance Transmission Pipeline compressor dry gas seals one-level gas leakage connecting place are provided with electromagnetic flow transmitter (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420480560.7U CN204140340U (en) | 2014-08-25 | 2014-08-25 | Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420480560.7U CN204140340U (en) | 2014-08-25 | 2014-08-25 | Gao Long-distance Transmission Pipeline compressor dry gas seals one-level leak recovery system |
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| CN204140340U true CN204140340U (en) | 2015-02-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196702A (en) * | 2014-08-25 | 2014-12-10 | 大连华阳密封股份有限公司 | Dry gas seal first-level leakage recovery system of natural gas long-distance transport pipe compressor |
| CN110346511A (en) * | 2019-06-14 | 2019-10-18 | 中石化宁波工程有限公司 | A kind of synthesis gas leakage on-line checking and treatment process |
-
2014
- 2014-08-25 CN CN201420480560.7U patent/CN204140340U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196702A (en) * | 2014-08-25 | 2014-12-10 | 大连华阳密封股份有限公司 | Dry gas seal first-level leakage recovery system of natural gas long-distance transport pipe compressor |
| CN110346511A (en) * | 2019-06-14 | 2019-10-18 | 中石化宁波工程有限公司 | A kind of synthesis gas leakage on-line checking and treatment process |
| CN110346511B (en) * | 2019-06-14 | 2021-07-20 | 中石化宁波工程有限公司 | On-line detection and treatment process for synthesis gas leakage |
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