CN203130454U - Air volume stepless regulation mechanism of reciprocating piston compressor - Google Patents
Air volume stepless regulation mechanism of reciprocating piston compressor Download PDFInfo
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- CN203130454U CN203130454U CN 201320097138 CN201320097138U CN203130454U CN 203130454 U CN203130454 U CN 203130454U CN 201320097138 CN201320097138 CN 201320097138 CN 201320097138 U CN201320097138 U CN 201320097138U CN 203130454 U CN203130454 U CN 203130454U
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Abstract
The utility model relates to a reciprocating piston compressor, in particular to an air volume stepless regulation mechanism of the reciprocating piston compressor. The air volume stepless regulation mechanism comprises a compressor cylinder and is characterized in that clearance stepless regulation devices are arranged on an outer side end cover of the compressor cylinder and the shaft side of the compressor cylinder respectively. Compared with the prior art, the clearance stepless regulation devices are arranged on the outer side end cover of the compressor cylinder and the shaft side of the compressor cylinder respectively, automatic regulation and control of the air discharging amount and the inter-step compression ratio can be achieved through a hydraulic servo system, stepless regulation of the output air volume of the reciprocating piston compressor in a large range (20-100%) can be achieved, and therefore the air volume stepless regulation mechanism is good in energy saving effect and simple to operate and control, can continuously and automatically regulate the clearance volume of the reciprocating piston compressor and can keep stable output air volume pressure. Simultaneously, the air volume stepless regulation mechanism is applicable to double-acting opposed reciprocating piston compressors and cascade reciprocating piston compressors.
Description
Technical field
The utility model relates to piston reciprocating compressor, refers to a kind of piston reciprocating compressor tolerance stepless regulating mechanism particularly.
Background technique
During piston reciprocating compressor work, because the demand of entry condition (inlet pressure, temperature etc.), technological process or consumption gas equipment changes, when air consumption during less than the air displacement of piston reciprocating compressor, just needing that it is carried out tolerance regulates, so that its air displacement adapts to the requirement of air consumption, keep the pressure stability in the pipe network.Therefore, the piston reciprocating compressor of production scene configuration all is provided with the air volume regulating device that changes its air displacement.
At present, piston reciprocating compressor generally adopts the regulative mode of by-pass throttle, though this regulating method is simple and reliable, piston reciprocating compressor is in the state of operating at full capacity all the time, so energy consumption is huge.In addition, this regulative mode is that classification is regulated, and the difficult control of interstage pressure causes the gas pressure wave range of entrance pipe network very big.
For overcoming above-mentioned defective, notice of authorization has been number for the Chinese utility model patent of CN 201226264Y " piston reciprocating compressor clearance stepless regulator " discloses a kind of clearance stepless regulator, and it comprises the clearance volume cylinder, be arranged on clearance volume cylinder piston in the clearance volume cylinder, be used for driving power system and the control system thereof of clearance volume cylinder piston; One end of clearance volume cylinder and compresser cylinder cylinder head outside cylinder UNICOM.Compressor can be regulated the position of clearance volume cylinder piston in the clearance volume cylinder by power system and control system thereof, thereby regulate the clearance volume of compresser cylinder as required, makes compressor output tolerance can carry out step-less adjustment in the larger context.This installs good energy-conserving effect, controls simply, can adjust the size of compressor redundant gap volume continuously and automatically, the pressure stability that keeps output tolerance, but because its tolerance regulation range is limited, only can in 50 ~ 100% scope, regulate tolerance, therefore not be suitable for the king-sized occasion of tolerance regulation range.Simultaneously, because the compressor arrangement restriction, the arrangement of clearance stepless regulator is only applicable to double-action opposed type piston reciprocating compressor in the above-mentioned patent, can not be applicable to the tandem piston reciprocating compressor.
The model utility content
Technical problem to be solved in the utility model just provides a kind of piston reciprocating compressor tolerance stepless regulating mechanism, its tolerance regulation range is big, good energy-conserving effect is controlled simply, and is applicable to double-action opposed type piston reciprocating compressor and tandem piston reciprocating compressor.
For solving the problems of the technologies described above, a kind of piston reciprocating compressor tolerance stepless regulating mechanism that the utility model provides, comprise compresser cylinder, its specialization is: the outboard end of described compresser cylinder covers and the axle side is separately installed with the clearance stepless regulator.
In the technique scheme, described clearance stepless regulator comprises adjustable clearance cylinder and interior adjustable clearance piston thereof, the rodless cavity of described adjustable clearance cylinder is communicated with compresser cylinder, rod chamber one end is connected Hydrauservo System, is used for driving adjustable clearance piston.
Further, described Hydrauservo System comprises the hydraulic servo cylinder that is connected with adjustable clearance cylinder rod chamber one end and interior hydraulic servo piston thereof, and the hydraulic servo piston is connected by a piston rod with described adjustable clearance piston.
Further, described piston rod is provided with displacement transducer.
In the technique scheme, the axle side of described compresser cylinder is equipped with one or two clearance stepless regulator.
Compared with prior art, the beneficial effects of the utility model are:
1, covers and an axle side is installed the clearance stepless regulator respectively at the compresser cylinder outboard end of piston reciprocating compressor, the servo apply hydraulic pressure system carries out automatic adjusting and the control of air displacement and inter-stage compression ratio, the output tolerance that can make piston reciprocating compressor (20 ~ 100%) is in the larger context carried out step-less adjustment, good energy-conserving effect, control simple, and can adjust the size of piston reciprocating compressor clearance volume continuously and automatically, keep the pressure stability of output tolerance;
2, can not only be applicable to double-action opposed type piston reciprocating compressor, can also be applicable to the tandem piston reciprocating compressor, make its air displacement carry out step-less adjustment in the larger context, can reduce the stressed of crankshaft-link rod, be conducive to reduce the frictional force of motion;
3, this piston reciprocating compressor tolerance stepless regulating mechanism has adopted more common electrichydraulic control and actuator, and is low to transformation and the maintenance cost of complete machine.Because actuator does not have high-speed moving part, almost reaches non-maintaining.
Description of drawings
Structural representation when Fig. 1 is used for the opposed type piston reciprocating compressor for this mechanism.
Fig. 2 is the structural representation of a kind of clearance stepless regulator among Fig. 1.
Fig. 3 is the A-A sectional view of Fig. 1.
Among the figure: 1-clearance stepless regulator (wherein: 1.1-adjustable clearance piston, 1.2-adjustable clearance cylinder, 1.3-hydraulic servo piston, 1.4-hydraulic servo cylinder, 1.5-displacement transducer), 2-one-level cylinder, 3-secondary cylinder, 4-three-stage cylinder, 5-final stage cylinder, 6-compresser cylinder, 7-compresser cylinder piston, 8-compressor shaft side draught valve.
Embodiment
Below in conjunction with accompanying drawing the utility model is applicable to that a specific embodiment of opposed type piston reciprocating compressor is described in further detail.
As shown in Figure 1 to Figure 3, a kind of piston reciprocating compressor tolerance stepless regulating mechanism of the present utility model comprises one-level cylinder 2, secondary cylinder 3, three-stage cylinder 4 and final stage cylinder 5, is compresser cylinder piston 7 in the compresser cylinders 6 at different levels.Cover at the outboard end of compresser cylinders 6 at different levels clearance stepless regulator 1 all is installed, axle side at one-level cylinder 2 and secondary cylinder 3 is separately installed with a clearance stepless regulator 1, in the axle side of final stage cylinder 5 two clearance stepless regulators 1 is installed.This clearance stepless regulator 1 comprises adjustable clearance cylinder 1.2 and interior adjustable clearance piston 1.1 thereof, the rodless cavity of adjustable clearance cylinder 1.2 is communicated with associated compressors cylinder 6, rod chamber one end is connected Hydrauservo System, Hydrauservo System comprises the hydraulic servo cylinder 1.4 that is connected with adjustable clearance cylinder 1.2 rod chambers one end and interior hydraulic servo piston 1.3 thereof, hydraulic servo piston 1.3 is connected by a piston rod with adjustable clearance piston 1.1, is used for driving adjustable clearance piston 1.1.Also be provided with built-in displacement transducer 1.5 on the piston rod, can be used for monitoring the displacement amount of adjustable clearance piston 1.1.
The structure that piston reciprocating compressor axle side is installed clearance stepless regulator 1 as shown in Figure 3, clearance stepless regulator 1 is installed on the section at piston reciprocating compressor axle side draught valve 8 places.
More than illustrated this controlling mechanism to be installed on the structure of opposed type piston reciprocating compressor, when being applied to the tandem piston reciprocating compressor, clearance stepless regulator 1 being installed on the axle side cylinder barrel of its outside end cap of cylinder and compresser cylinder at different levels 6 and getting final product.
Core of the present utility model is the needs according to the tolerance regulation range, cover and an axle side is installed clearance stepless regulator 1 respectively at the outboard end of compresser cylinder 6, the output tolerance that makes piston reciprocating compressor (20 ~ 100%) is in the larger context carried out step-less adjustment, good energy-conserving effect, control simple, and can adjust the size of piston reciprocating compressor clearance volume continuously and automatically, keep the pressure stability of output tolerance.So its protection domain is not limited to above-described embodiment.Obviously, those skilled in the art can carry out various changes and distortion and not break away from scope and spirit of the present utility model the utility model, and for example: in the clearance stepless regulator 1, adjustable clearance piston 1.1 also can adopt other conventional drive units to drive; Needs according to kind, specification and the tolerance regulation range of piston reciprocating compressor, in the axle side of each compresser cylinder 6 one or two clearance stepless regulator 1 can be installed, when regulation range only needs 50 ~ 100%, in the axle side of compresser cylinder 6 clearance stepless regulator 1 etc. can be installed.If these changes and distortion belong in the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and is out of shape interior.
Claims (5)
1. a piston reciprocating compressor tolerance stepless regulating mechanism comprises compresser cylinder (6), it is characterized in that: the outboard end of described compresser cylinder (6) covers and the axle side is separately installed with clearance stepless regulator (1).
2. piston reciprocating compressor tolerance stepless regulating mechanism according to claim 1, it is characterized in that: described clearance stepless regulator (1) comprises adjustable clearance cylinder (1.2) and interior adjustable clearance piston (1.1) thereof, the rodless cavity of described adjustable clearance cylinder (1.2) is communicated with compresser cylinder (6), rod chamber one end is connected Hydrauservo System, is used for driving adjustable clearance piston (1.1).
3. piston reciprocating compressor tolerance stepless regulating mechanism according to claim 2, it is characterized in that: described Hydrauservo System comprises the hydraulic servo cylinder (1.4) that is connected with adjustable clearance cylinder (1.2) rod chamber one end and interior hydraulic servo piston (1.3) thereof, and hydraulic servo piston (1.3) is connected by a piston rod with described adjustable clearance piston (1.1).
4. piston reciprocating compressor tolerance stepless regulating mechanism according to claim 3, it is characterized in that: described piston rod is provided with displacement transducer (1.5).
5. according to the described piston reciprocating compressor tolerance of arbitrary claim stepless regulating mechanism in the claim 1 to 4, it is characterized in that: the axle side of described compresser cylinder (6) is equipped with one or two clearance stepless regulator (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097138 CN203130454U (en) | 2013-03-04 | 2013-03-04 | Air volume stepless regulation mechanism of reciprocating piston compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097138 CN203130454U (en) | 2013-03-04 | 2013-03-04 | Air volume stepless regulation mechanism of reciprocating piston compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130454U true CN203130454U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320097138 Expired - Fee Related CN203130454U (en) | 2013-03-04 | 2013-03-04 | Air volume stepless regulation mechanism of reciprocating piston compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203130454U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570112A (en) * | 2016-01-11 | 2016-05-11 | 武汉理工大学 | Working condition optimization method for natural gas gathering supercharger, and gas volume adjustment control system applied to same |
| CN110939557A (en) * | 2019-12-13 | 2020-03-31 | 西安佰能达动力科技有限公司 | Compressor flow regulating mechanism and method |
| CN113153720A (en) * | 2021-04-14 | 2021-07-23 | 武汉理工大学 | Compressor economizer based on discharge valve clearance is adjusted |
-
2013
- 2013-03-04 CN CN 201320097138 patent/CN203130454U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570112A (en) * | 2016-01-11 | 2016-05-11 | 武汉理工大学 | Working condition optimization method for natural gas gathering supercharger, and gas volume adjustment control system applied to same |
| CN110939557A (en) * | 2019-12-13 | 2020-03-31 | 西安佰能达动力科技有限公司 | Compressor flow regulating mechanism and method |
| CN113153720A (en) * | 2021-04-14 | 2021-07-23 | 武汉理工大学 | Compressor economizer based on discharge valve clearance is adjusted |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20180304 |