CN202673621U - Clearance-adjustable reciprocating compressor - Google Patents
Clearance-adjustable reciprocating compressor Download PDFInfo
- Publication number
- CN202673621U CN202673621U CN 201220270920 CN201220270920U CN202673621U CN 202673621 U CN202673621 U CN 202673621U CN 201220270920 CN201220270920 CN 201220270920 CN 201220270920 U CN201220270920 U CN 201220270920U CN 202673621 U CN202673621 U CN 202673621U
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- clearance
- cylinder
- adjustable
- hydraulic servo
- piston
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Abstract
A clearance-adjustable reciprocating compressor comprises a cylinder and a piston. Clearance-adjustable cylinders are arranged at two ends of the cylinder, clearance-adjustable pistons are arranged in the clearance-adjustable cylinders, hydraulic servo cylinders are arranged on outer sides of the clearance-adjustable cylinders, hydraulic servo pistons are arranged in the hydraulic servo cylinders and are connected with the clearance-adjustable pistons by piston rods, and position sensors are arranged on the hydraulic servo pistons. The clearance-adjustable reciprocating compressor has the advantages that the clearance-adjustable reciprocating compressor is low in investment and maintenance cost and good in energy-saving effect, and a system is reliable. The clearance-adjustable reciprocating compressor is particularly suitable for stepless regulation for flow lower than 40%, and is applicable to manufacture and energy conservation transformation.
Description
Technical field
The utility model relates to a kind of adjustable clearance formula reciprocating compressor.
Background technique
In petroleum chemical industry, as the air displacement of the reciprocal compressor in the oil refining apparatus generally be according to the required maximum volume flow of device or in the recent period device may select by the required flow of dilatation, generally have certain affluence amount.Because the demand of the change (inlet pressure, temperature etc.) of entry condition, technological process or consumption gas equipment changes, when air consumption during less than the air displacement of compressor, just needing that compressor is carried out tolerance regulates, so that the air displacement of compressor adapts to the requirement of air consumption, keep the pressure stability in the pipe network.
The traditional tolerance regulating method of reciprocal compressor has pressing-off suction valve adjusting, fixedly clearance adjusting and bypass adjusting.Wherein pressing-off suction valve regulate and fixedly clearance to regulate be to have level to regulate, it is that power consumption is regulated that bypass is regulated.Find in actual applications, press off a side draught air valve when for a long time, liquid accumulates meeting and produces liquid hammer because not discharging with gas in cylinder in the cylinder of pressing-off suction valve one side, so compressor is not suitable for pressing off for a long time side draught air valve operation; Find that by the demarcation to compressor fixedly clearance is regulated wasted work is not reached the minimizing air displacement and reduces the directly proportional variation of energy consumption, it is not obvious to lower consumption; Whole compression works that bypass is regulated not only unnecessary gas all lose, and the gas that refluxes is the high-temperature gas after compressed, also will use water quench.Above-mentioned traditional tolerance regulating method can not realize that compressor displacement is directly proportional with indicated work, and the energy consumption of compressor operating is large.
Generally be provided with fixedly clearance adjusting and pressing-off suction valve controlling mechanism on the reciprocal compressor, both cooperate, and can realize air displacement classification adjusting.The amplitude of accommodation of pressing-off suction valve is larger, generally is to press off a side draught air valve to reduce air displacement 50%, is applicable to coarse adjustment.Fixedly the clearance adjusting is with auxiliary clearance chamber access cylinder working chamber, and clearance volume is increased, and volumetric efficiency reduces, and air displacement reduces, and also is thicker adjusting.
Traditional fixedly clearance is regulated because the useful area of clearance valve is too little, and in the cyclic process of gas reciprocal compression and expansion in cylinder, the flow velocity of the high pressure draught of the valve port of flowing through is very high, and power consumption is very large, causes the air-flow temperature rise to increase, so energy-saving effect is not good.Owing to need artificial the adjustment, major part is not used again.
The model utility content
Its purpose of the utility model just is to provide a kind of adjustable clearance formula reciprocating compressor, has investment and maintenance cost is low, good energy-conserving effect, the reliable characteristics of system, be particularly suitable for need reducing flow less than 40% step-less adjustment, be applicable to manufacturing and the reducing energy consumption of reciprocating compressor.
The technological scheme that realizes above-mentioned purpose and take, comprise cylinder and piston, the cylinder two ends are provided with adjustable clearance cylinder, be provided with adjustable clearance piston in the described adjustable clearance cylinder, the described adjustable clearance cylinder outside is provided with hydraulic servo oil cylinder, be provided with the hydraulic servo piston in the hydraulic servo oil cylinder, described adjustable clearance piston is connected by piston rod with the hydraulic servo piston, and described hydraulic servo piston is provided with position transducer.
Compared with prior art the utlity model has following advantage.
Owing to adopted the structural design of hydraulic servo oil cylinder, thereby have investment and maintenance cost is low, good energy-conserving effect, the reliable characteristics of system, needing to be particularly suitable for reducing flow less than 40% step-less adjustment, be applicable to manufacturing and the reducing energy consumption of reciprocating compressor.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is this apparatus structure principle schematic.
Embodiment
This device comprises cylinder 1 and piston 2, cylinder 1 two ends are provided with adjustable clearance cylinder 3, as shown in Figure 1, be provided with adjustable clearance piston 4 in the described adjustable clearance cylinder 3, described adjustable clearance cylinder 3 outsides are provided with hydraulic servo oil cylinder 5, be provided with hydraulic servo piston 6 in the hydraulic servo oil cylinder 5, described adjustable clearance piston 4 is connected by piston rod 8 with hydraulic servo piston 6, and described hydraulic servo piston 6 is provided with position transducer 7.
Described adjustable clearance cylinder 3 outsides are provided with cooling chamber 11, described cooling chamber 11 access cooling waters.
It is on the basis that fixedly clearance is regulated that clearance is regulated, cancelled the clearance valve between clearance chamber and the cylinder, load onto the clearance adjusting device (see figure 1), adjustable clearance cylinder 3 directly communicates with compresser cylinder 1, closed loop control system by hydraulic servo oil cylinder 5 and position transducer composition, accurately the adjustable clearance piston 4 of control advances, retreats, thereby fixedly to change over clearance volume adjustable continuously in clearance, at this moment, the gas of turnover clearance cylinder does not almost have drag losses, and adjustable clearance cylinder 3 is arranged on compresser cylinder 1 two ends.
This device comprises compresser cylinder 1 and compressor piston 2, compresser cylinder 1 is provided with compressor breather check valve 9 and compressor outgassing nonreturn valve 10, compresser cylinder 1 two ends are provided with adjustable clearance cylinder 3, be provided with adjustable clearance piston 4 in the adjustable clearance cylinder 3, the outside is provided with cooling chamber 11, described adjustable clearance cylinder 3 outsides are provided with hydraulic servo oil cylinder 5, be provided with hydraulic servo piston 6 in the hydraulic servo oil cylinder, described adjustable clearance piston 4 is connected by piston rod 8 with hydraulic servo piston 6, and piston rod 8 centers are provided with position transducer 7.
Claims (2)
1. adjustable clearance formula reciprocating compressor, comprise cylinder (1) and piston (2), cylinder (1) two ends are provided with adjustable clearance cylinder (3), it is characterized in that, be provided with adjustable clearance piston (4) in the described adjustable clearance cylinder (3), described adjustable clearance cylinder (3) outside is provided with hydraulic servo oil cylinder (5), be provided with hydraulic servo piston (6) in the hydraulic servo oil cylinder (5), described adjustable clearance piston (4) is connected by piston rod (8) with hydraulic servo piston (6), and described hydraulic servo piston (6) is provided with position transducer (7).
2. root a tree name a kind of adjustable clearance formula reciprocating compressor claimed in claim 1 is characterized in that, described adjustable clearance cylinder (3) outside is provided with cooling chamber (11), described cooling chamber (11) access cooling water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220270920 CN202673621U (en) | 2012-06-11 | 2012-06-11 | Clearance-adjustable reciprocating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220270920 CN202673621U (en) | 2012-06-11 | 2012-06-11 | Clearance-adjustable reciprocating compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202673621U true CN202673621U (en) | 2013-01-16 |
Family
ID=47494529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220270920 Expired - Fee Related CN202673621U (en) | 2012-06-11 | 2012-06-11 | Clearance-adjustable reciprocating compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202673621U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605717A (en) * | 2017-11-07 | 2018-01-19 | 蚌埠高科瑞力压缩机有限公司 | A kind of external device of piston for compressor cylinder clearance adjusting means |
| CN111197573A (en) * | 2019-12-31 | 2020-05-26 | 无锡市东亚泵业有限公司 | Reciprocating pump regulating valve |
-
2012
- 2012-06-11 CN CN 201220270920 patent/CN202673621U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605717A (en) * | 2017-11-07 | 2018-01-19 | 蚌埠高科瑞力压缩机有限公司 | A kind of external device of piston for compressor cylinder clearance adjusting means |
| CN111197573A (en) * | 2019-12-31 | 2020-05-26 | 无锡市东亚泵业有限公司 | Reciprocating pump regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20130611 |