CN103334902A - Non-emptying unloading start-up system and non-emptying unloading start-up method for compressor - Google Patents
Non-emptying unloading start-up system and non-emptying unloading start-up method for compressor Download PDFInfo
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- CN103334902A CN103334902A CN2013102653775A CN201310265377A CN103334902A CN 103334902 A CN103334902 A CN 103334902A CN 2013102653775 A CN2013102653775 A CN 2013102653775A CN 201310265377 A CN201310265377 A CN 201310265377A CN 103334902 A CN103334902 A CN 103334902A
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Abstract
The invention discloses a non-emptying unloading start-up system and a non-emptying unloading start-up method for a compressor. The system comprises an air cylinder and a cooler, wherein an air discharge end of the air cylinder is connected with the cooler through a pipeline to form a compression stage, the compressor is provided with one or more than one compression stage, and the compression stages are connected with one another through technical air pipelines; and an air charge pipeline of the first compression stage is connected with a technical air inlet pipeline, a last-stage air discharge pipeline is connected with a technical air outlet pipeline and an emptying opening pipeline respectively, and is further provided with an air storing pipeline, and the air storing pipeline comprises an air storing tank, an air charging valve and an air discharging valve. The system is provided with the air storing pipeline with one or more than one order, so that the start-up by means of non-emptying unloading mode of the compressor under all work conditions can be realized; and the waste and the safety loophole caused by the start-up of the compressor by means of emptying unloading can be eliminated, and the requirement of a user on non-leakage air can be met.
Description
Technical field
The present invention relates to non-emptying no-load starting system and the method thereof of compressor.
Background technique
A lot of compressor bank for satisfying the not requirement of emptying gas of user, all are the pressurized gas that the final stage of stream start mode is returned in design, get back in the unit air inlet tank body or the tank body of gas station by reflux line.But the system pressure high situation that causes the scene can't play machine in back occurs repeatedly owing to refluxing.
At present in the natural gas compressor industry, for intake and exhaust pressure height, operating mode that balance pressure is high, be to adopt emptying off-load starting all, can't play the difficult problem of machine to avoid the back starting load height that refluxes.Waste also pollutes environment on every side easily but emptying off-load Starting mode not only causes rock gas easily, and this present situation can't satisfy the not requirement of emptying gas of user.
Summary of the invention
Technical problem to be solved by this invention is to provide at the technical problem that exists in the above-mentioned prior art a kind of non-emptying no-load starting system and method thereof of the compressor in the requirement of satisfying the detent torque that satisfies various types of compact machine driving machine under the prerequisite that emptying gas does not require.
The technical solution adopted in the present invention is: the non-emptying no-load starting system of compressor, it comprises cylinder, cooler, the exhaust end of described cylinder is connected by pipeline with cooler, constitute a compression stage, described compressor possesses one or more compression stage, connects by the process gas pipeline between each compression stage; The admission line of first compression stage connects the process gas inlet pipeline, the exhaust duct of final stage connects process gas outlet conduit and drain pipeline respectively, be provided with valve at drain pipeline, process gas inlet/outlet pipeline, it is characterized in that also being provided with the air storage pipeline, the air storage pipeline comprises gas tank, air intake valve, drain tap, the end that air intake valve is set on the described air storage pipeline is connected with the exhaust duct of final stage, and the end that drain tap is set on the described air storage pipeline is connected with the admission line of first compression stage; The gas exhaust piping of final stage also is connected with the air inlet washing tank of the first order by reflux line, and return line is provided with valve.
By technique scheme, each compression stage comprises air inlet washing tank or the air intake filter that connects successively by pipeline successively, the air inlet knock out drum, cylinder, the exhaust knock out drum, cooler, the air inlet washing tank of the first order or the admission line of air intake filter connect the process gas inlet pipeline, the exhaust duct of the cooler of final stage connects process gas outlet conduit and drain pipeline respectively, the end that air intake valve is set on the described air storage pipeline is connected with the exhaust duct of the cooler of final stage, and the end that drain tap is set on the described air storage pipeline is connected with the air inlet washing tank of the first order or the admission line of air intake filter.
By technique scheme, described air storage pipeline is more than one group and one group, and each is organized the air storage pipeline and is in parallel.
By technique scheme, described compressor is the secondary compression, and stating the air storage pipeline is three groups, and three groups of air storage pipelines are in parallel.
By technique scheme, each valve is the automatic or manual ball valve.
By technique scheme, described gas tank is provided with pressure transmitter.
Starting method based on the non-emptying no-load starting system of above-mentioned compressor is characterized in that: comprise the steps:
1) when compressor is prepared to shut down, close the valve on the process gas inlet/outlet pipeline, open the air intake valve on the air storage pipeline simultaneously, gas in the compressor assembly is squeezed in the gas tank, when the pressure in the gas tank reaches design load, close the air intake valve on this air storage pipeline, thereby finish the air storage process;
2) through above-mentioned air storage process, open valve on the reflux line then with the pressure of balance compressor internal system, the pressure in the compressor assembly is dropped to below the setting value, make the detent torque requirement of satisfying driving machine;
3) when compressor is started shooting, make the valve on the reflux line be in opening state, the valve on the process gas inlet/outlet pipeline is in closed condition, and compressor is started shooting low the carrying under the situation of refluxing;
4) behind compressor start, open the valve on the process gas inlet/outlet pipeline, valve on the closing volume pipeline is opened valve on the air storage return line of gas tank and the admission line of gas by first compression stage in each gas tank is entered in the compressor compress.
By technique scheme, when the air storage pipeline in the step 1) is two groups or more, at first open wherein the air intake valve of the gas tank on one group of air storage pipeline, the gas of storing in the gas tank on this group air storage pipeline reaches setting value, close the air intake valve on the reorganization air storage pipeline, open the air intake valve of the gas tank on next group air storage pipeline again, repeat said process, the pressure in compressor assembly compresses till dropping to the value of setting.
The obtained beneficial effect of the present invention is: 1, by the air storage pipeline is set, utilize the principle of compressor compresses gas, can realize the starting of the non-emptying unloading way of all operating mode compressors; 2, the present invention has eliminated waste, environmental pollution and the potential safety hazard of bringing owing to emptying off-load starting compressor group, has satisfied the user to the leak free requirement of gas; 3, the present invention can design the number of gas tank according to operating mode, to satisfy various operating modes, to be suitable for the requirement of various pressurized gass, until the detent torque requirement of satisfying driving machine.
Description of drawings
Fig. 1 is an embodiment's provided by the invention structural representation.
Among the figure: 1, ball valve, 2, one-level air inlet washing tank, 3,24-pressure transmitter, 4, one-level cylinder, 5, the process gas pipeline, 6, return line, 7, secondary cylinder, 8,9,10-ball valve, 11, secondary coolers, 12, single order air storage pipeline, 13, second order air storage pipeline, 14, three rank air storage pipelines, 15, single order gas tank, 16, the second order gas tank, 17, three rank gas tanks, 18,19,20-air intake valve, 21,22,23-drain tap, 24, pressure transmitter.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is an embodiment's provided by the invention structural representation.Be that secondary boil down to example describes with the compressor in the present embodiment.The non-emptying uninstalling system that is the compressor of present embodiment comprises one-level air inlet washing tank 2, one-level air inlet knock out drum, one-level cylinder 4, one-level exhaust knock out drum, one-level cooler, process gas pipeline 5, secondary air inlet washing tank, secondary air inlet knock out drum, secondary cylinder 7, secondary exhaust knock out drum, the secondary coolers 11 that connects by pipeline successively, the admission line of one-level air inlet washing tank 2 connects the process gas inlet pipeline, and the exhaust duct of secondary coolers 11 connects process gas outlet conduit and drain pipeline respectively.Be provided with pressure transmitter 3 at one-level, secondary exhaust knock out drum.Be provided with ball valve 1,9,10 at process gas inlet pipeline, process gas outlet conduit, drain pipeline.Wherein, by the air inlet washing tank is set the gas that compresses is washed or filters, the effect that the inlet and outlet knock out drum is set is keep air-flow steady, reduces the gas pulses influence.
The exhaust duct of secondary coolers 11 is connected with the air storage pipeline, the air storage pipeline comprises gas tank, air intake valve, drain tap, the end that air intake valve is set on the air storage pipeline is connected with the exhaust duct of secondary coolers 11, and the end that drain tap is set on the air storage pipeline is connected with the admission line of one-level air inlet washing tank 2.In the present embodiment, three air storage pipelines that are in parallel are set, namely are divided into single order air storage pipeline 12, second order air storage pipeline 13, three rank air storage pipelines 14.Single order air storage pipeline includes single order gas tank 15, single order gas tank 10 suction port and relief opening be provided with air intake valve 18 and drain tap 21; Second order air storage pipeline includes second order gas tank 16, second order gas tank 16 suction port and relief opening be provided with air intake valve 19 and drain tap 22; Three rank air storage pipelines include three rank gas tanks 17, three rank gas tanks 17 suction port and relief opening be provided with air intake valve 20 and drain tap 23; Be equipped with pressure transmitter 24 at three gas tanks.
Wherein, the gas exhaust piping of secondary coolers 11 also is connected with one-level air inlet washing tank by reflux line 6, and return line 6 is provided with ball valve 8.Each set among the present invention valve can be the automatic or manual ball valve.Select according to demand.
Based on the starting method of the non-emptying no-load starting starting system of above-mentioned compressor, the step that it comprises is:
1) when compressor is prepared to shut down, closing process gas advances, ball valve 1 on the outlet conduit, 9, open the suction valve 18 on the single order air storage pipeline 12 simultaneously, compressor works on, the intrasystem gas of compressor bank is squeezed into single order gas tank 15, when the pressure in the single order gas tank 15 reaches design load, close the suction valve 18 at single order gas tank 15 places, open the suction valve 19 on the second order air storage pipeline 13 simultaneously, the intrasystem gas of compressor bank is squeezed into second order gas tank 16, when the pressure in the second order gas tank 16 reaches design load, close the suction valve 19 on the second order air storage pipeline 13, open the suction valve 20 on the three rank air storage pipelines 14 simultaneously, the intrasystem gas of compressor bank is squeezed into three rank gas tanks 17, when the pressure in the three rank gas tanks 17 reaches design load, close the ball valve of the inlet end of three rank gas tanks 18, thereby finish single order, second order, three rank air storage processes;
2) through above-mentioned air storage process, open ball valve 8 on the reflux line 6 then with the pressure of balance compressor internal system; Through behind the said process, can be that 4MPa, exhaust pressure are that pressure in the compressor assembly of 25Mpa is through air storage and the backflow equilibrium process on one, two, three rank with suction pressure, pressure in the compressor assembly is dropped to below the 0.7Mpa, thereby satisfy the detent torque requirement of driving machine.Wherein, also can design number rank air storage pipeline and gas tank volume according to operating mode, drop to below the setting value to satisfy various operating modes;
3) when compressor is started shooting, make the ball valve 8 on the reflux line 6 be in opening state, and the valve on the process gas inlet/outlet pipeline is in closed condition, starts shooting in order to compressor is under the low situation of carrying at open state, has reduced the detent torque of compressor bank;
4) after compressor bank starts (being after compressor bank operates steadily), open the ball valve 1,9 on the process gas inlet/outlet pipeline, ball valve 8 on the closing volume pipeline is opened ball valve on the air storage return line of a gas tank and the air inlet washing tank 2 of gas by the first order in each gas tank is entered in the compressor compress.Wherein, in the process of non-emptying unloading, the ball valve 10 of drain is not opened when compressor shutdown, only repairs need be with gas emptying the time at compressor, just the ball valve 10 of drain is opened, and the gas in the compressor is released.
The present invention is applicable to the various compressed medias that deacration is outer.
Certainly, the present invention is not restricted to above-described embodiment, and when the gas turbidity test of compressing met design requirement, each compression stage can not arrange the air inlet washing tank, and certainly, the air inlet washing tank can adopt air intake filter to replace; When the pulse of the gas that compresses is little, can select not arrange the inlet and outlet knock out drum, the present invention also can arrange the above compression stage of one-level and one-level.In a word, the present invention can do certain variation in the claim scope, and this variation does not break away from the protection domain of patent.
Claims (8)
1. the non-emptying no-load starting system of compressor, it comprises cylinder, cooler, and the exhaust end of described cylinder is connected by pipeline with cooler, constitutes a compression stage, described compressor possesses one or more compression stage, connects by the process gas pipeline between each compression stage; The admission line of first compression stage connects the process gas inlet pipeline, the exhaust duct of final stage connects process gas outlet conduit and drain pipeline respectively, be provided with valve at drain pipeline, process gas inlet/outlet pipeline, it is characterized in that also being provided with the air storage pipeline, the air storage pipeline comprises gas tank, air intake valve, drain tap, the end that air intake valve is set on the described air storage pipeline is connected with the exhaust duct of final stage, and the end that drain tap is set on the described air storage pipeline is connected with the admission line of first compression stage; The gas exhaust piping of final stage also is connected with the air inlet washing tank of the first order by reflux line, and return line is provided with valve.
2. the non-emptying no-load starting system of compressor according to claim 1, it is characterized in that each compression stage comprises air inlet washing tank or the air intake filter that connects successively by pipeline successively, the air inlet knock out drum, cylinder, the exhaust knock out drum, cooler, the air inlet washing tank of the first order or the admission line of air intake filter connect the process gas inlet pipeline, the exhaust duct of the cooler of final stage connects process gas outlet conduit and drain pipeline respectively, the end that air intake valve is set on the described air storage pipeline is connected with the exhaust duct of the cooler of final stage, and the end that drain tap is set on the described air storage pipeline is connected with the air inlet washing tank of the first order or the admission line of air intake filter.
3. the non-emptying no-load starting system of compressor according to claim 1 and 2 is characterized in that described air storage pipeline is more than one group and one group, and each is organized the air storage pipeline and is in parallel.
4. the non-emptying no-load starting system of compressor according to claim 3 is characterized in that described compressor is the secondary compression, and stating the air storage pipeline is three groups, and three groups of air storage pipelines are in parallel.
5. the non-emptying no-load starting system of compressor according to claim 1 and 2 is characterized in that each valve is the automatic or manual ball valve.
6. the non-emptying no-load starting system of compressor according to claim 1 and 2 is characterized in that described gas tank is provided with pressure transmitter.
7. based on the starting method of the non-emptying no-load starting system of the described compressor of claim 1, it is characterized in that: comprise the steps:
1) when compressor is prepared to shut down, close the valve on the process gas inlet/outlet pipeline, open the air intake valve on the air storage pipeline simultaneously, gas in the compressor assembly is squeezed in the gas tank, when the pressure in the gas tank reaches design load, close the air intake valve on this air storage pipeline, thereby finish the air storage process;
2) through above-mentioned air storage process, open valve on the reflux line then with the pressure of balance compressor internal system, the pressure in the compressor assembly is dropped to below the setting value, make the detent torque requirement of satisfying driving machine;
3) when compressor is started shooting, make the valve on the reflux line be in opening state, the valve on the process gas inlet/outlet pipeline is in closed condition, and compressor is started shooting low the carrying under the situation of refluxing;
4) behind compressor start, open the valve on the process gas inlet/outlet pipeline, valve on the closing volume pipeline is opened valve on the air storage return line of gas tank and the admission line of gas by first compression stage in each gas tank is entered in the compressor compress.
8. the starting method of the non-emptying no-load starting system of compressor according to claim 6, it is characterized in that: when the air storage pipeline in the step 1) is two groups or more, at first open wherein the air intake valve of the gas tank on one group of air storage pipeline, when the gas of storing in the gas tank on this group air storage pipeline reaches setting value, close the air intake valve on the reorganization air storage pipeline, open the air intake valve of the gas tank on next group air storage pipeline again, repeat said process, the pressure in compressor assembly drops to till the value of setting.
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| CN201310265377.5A CN103334902B (en) | 2013-06-28 | 2013-06-28 | The non-emptying no-load starting system of compressor and method thereof |
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| CN201310265377.5A CN103334902B (en) | 2013-06-28 | 2013-06-28 | The non-emptying no-load starting system of compressor and method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859615A (en) * | 2017-11-22 | 2018-03-30 | 杰瑞石油天然气工程有限公司 | A kind of new type of compression unit is vented flow |
| CN107869454A (en) * | 2017-11-22 | 2018-04-03 | 杰瑞石油天然气工程有限公司 | A kind of new type of compression unit control flow |
| CN109026760A (en) * | 2018-08-07 | 2018-12-18 | 清华大学 | Energy storage multistage centrifugal compressor group and its starting method |
| CN115013293A (en) * | 2022-06-28 | 2022-09-06 | 中石化石油机械股份有限公司三机分公司 | High-pressure reciprocating compressor opening and closing, loading and unloading double-valve control system and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4819123A (en) * | 1986-11-25 | 1989-04-04 | Nippon Air Brake Co., Ltd. | Compressed air supply system |
| JPH0378584A (en) * | 1989-08-18 | 1991-04-03 | Mitsubishi Electric Corp | Starting circuit for air compressor |
| CN202520517U (en) * | 2012-04-25 | 2012-11-07 | 浙江强盛压缩机制造有限公司 | Reciprocating compressor comprising starting device with pressure |
| CN202597049U (en) * | 2012-05-25 | 2012-12-12 | 自贡大业高压容器有限责任公司 | Automatic control system of high pressure compressor |
| CN202613047U (en) * | 2012-05-29 | 2012-12-19 | 自贡大业高压容器有限责任公司 | Natural gas transmission system |
| CN203384007U (en) * | 2013-06-28 | 2014-01-08 | 江汉石油钻头股份有限公司 | Non-evacuation unloading starting system of compressor |
-
2013
- 2013-06-28 CN CN201310265377.5A patent/CN103334902B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4819123A (en) * | 1986-11-25 | 1989-04-04 | Nippon Air Brake Co., Ltd. | Compressed air supply system |
| JPH0378584A (en) * | 1989-08-18 | 1991-04-03 | Mitsubishi Electric Corp | Starting circuit for air compressor |
| CN202520517U (en) * | 2012-04-25 | 2012-11-07 | 浙江强盛压缩机制造有限公司 | Reciprocating compressor comprising starting device with pressure |
| CN202597049U (en) * | 2012-05-25 | 2012-12-12 | 自贡大业高压容器有限责任公司 | Automatic control system of high pressure compressor |
| CN202613047U (en) * | 2012-05-29 | 2012-12-19 | 自贡大业高压容器有限责任公司 | Natural gas transmission system |
| CN203384007U (en) * | 2013-06-28 | 2014-01-08 | 江汉石油钻头股份有限公司 | Non-evacuation unloading starting system of compressor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859615A (en) * | 2017-11-22 | 2018-03-30 | 杰瑞石油天然气工程有限公司 | A kind of new type of compression unit is vented flow |
| CN107869454A (en) * | 2017-11-22 | 2018-04-03 | 杰瑞石油天然气工程有限公司 | A kind of new type of compression unit control flow |
| CN109026760A (en) * | 2018-08-07 | 2018-12-18 | 清华大学 | Energy storage multistage centrifugal compressor group and its starting method |
| CN109026760B (en) * | 2018-08-07 | 2019-09-20 | 清华大学 | Energy storage multistage centrifugal compressor group and its starting method |
| CN115013293A (en) * | 2022-06-28 | 2022-09-06 | 中石化石油机械股份有限公司三机分公司 | High-pressure reciprocating compressor opening and closing, loading and unloading double-valve control system and method |
| CN115013293B (en) * | 2022-06-28 | 2024-04-05 | 中石化石油机械股份有限公司三机分公司 | Control method of high-pressure reciprocating compressor on-off and loading/unloading double-valve control system |
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Address after: 430223, No. 5, Chinese workers' garden, Temple Hill community, East Lake New Technology Development Zone, Wuhan, Hubei Patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Address before: 430223 Hubei city of Wuhan province science and Technology Park East Lake New Technology Development Zone, Road No. five Patentee before: KINGDREAM PLC |
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Effective date of registration: 20170930 Address after: 430040 Hubei province Wuhan Dongxihu Wujiashan Tianyuan Road No. 999 Co-patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Patentee after: Sinopec Petroleum Machinery Co.,Ltd. Sanji Branch Address before: 430223, No. 5, Chinese workers' garden, Temple Hill community, East Lake New Technology Development Zone, Wuhan, Hubei Patentee before: SINOPEC OILFIELD EQUIPMENT Corp. |