CN204494086U - A kind of pressure control equipment for compressed air system - Google Patents
A kind of pressure control equipment for compressed air system Download PDFInfo
- Publication number
- CN204494086U CN204494086U CN201520112040.5U CN201520112040U CN204494086U CN 204494086 U CN204494086 U CN 204494086U CN 201520112040 U CN201520112040 U CN 201520112040U CN 204494086 U CN204494086 U CN 204494086U
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- pressure
- pipeline
- gas
- mortor operated
- operated valve
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- 238000012360 testing method Methods 0.000 claims abstract description 7
- 238000012423 maintenance Methods 0.000 claims description 8
- 230000008439 repair process Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model relates to a kind of pressure control equipment for compressed air system, comprising: pipeline, is located between gas holder and gas equipment, for being communicated with gas holder and gas equipment; Also comprise: pressure transmitter, be located between pipeline and gas equipment, for measuring the inlet gas pressure of gas equipment; Mortor operated valve, to be located in pipeline and to be connected with pressure transmitter, stablizes for controlling inlet gas pressure according to the testing result of pressure transmitter.Compared with prior art, the combination of the utility model pressure transmitter and mortor operated valve can complete the stable of compressed air system pressure, under making the inlet gas pressure entering gas equipment maintain a stable environment, simultaneously because only adopt the Pressure testing automatic control mode of a pressure transmitter in the utility model, therefore the complexity of system is substantially increased, without the need to additional high-performance processor, reduce costs.
Description
Technical field
The utility model relates to a kind of supply technology, especially relates to a kind of pressure control equipment for compressed air system.
Background technique
Pressure change with the change of system " supply and demand " situation of compressed air system.When total air demand of compressor is greater than the total gas consumption of system, system pressure just rises; Otherwise system pressure just declines.
Such as Chinese patent CN 103982223 A discloses a kind of compressed-air supply system, comprise: pressurized air supplier, air curtain spray system and ice-storage air-conditioning system, pressurized air supplier passes through the first pipeline to ice-storage air-conditioning system air feed, pressurized air supplier by second pipe to air curtain spray system air feed, pressurized air supplier comprises: bus dump and at least one shunt conduit, the air outlet of each shunt conduit is all connected with bus dump, the suction port of each shunt conduit is all connected with a compressed air bottle, each shunt conduit is equipped with control valve, the two ends of bus dump are connected with second pipe with the first pipeline respectively.But in this compressed-air supply system, lack voltage stabilizing measure, when the gas consumption of user increases, the pressure in pipeline will reduce instantaneously, and equipment will be caused like this can not to be in normal working state because pressure is too low; When gas consumption reduces, the pressure in pipeline will increase, and causes waste.Obviously, when not having stable-pressure device, easily there is larger fluctuation in the pressure in pipeline, affects the normal operation of equipment or cause energy waste.And maintain system pressure and stablize, the demand of user can be better met, ensure that user can obtain meeting its pressurized air required.
Summary of the invention
The purpose of this utility model be exactly in order to overcome above-mentioned prior art exist defect and a kind of pressure control equipment for compressed air system is provided.
The purpose of this utility model can be achieved through the following technical solutions:
For a pressure control equipment for compressed air system, comprising:
Pipeline, is located between gas holder and gas equipment, for being communicated with gas holder and gas equipment;
Also comprise:
Pressure transmitter, is located between pipeline and gas equipment, for measuring the inlet gas pressure of gas equipment;
Mortor operated valve, to be located in pipeline and to be connected with pressure transmitter, stablizes for controlling inlet gas pressure according to the testing result of pressure transmitter.
Described mortor operated valve comprises valve and the mortor operated valve controller for changing valve opening according to inlet gas pressure and the difference of setting air pressure, and described mortor operated valve controller is connected with pressure transmitter and valve respectively, and described valve is located in pipeline.
Described pressure control equipment also comprises the first butterfly valve and the second butterfly valve for cutting off pipeline when mortor operated valve is changed or keep in repair, described first butterfly valve is located in pipeline between mortor operated valve and gas holder, and described second butterfly valve to be located in pipeline between pressure transmitter and mortor operated valve.
Described pressure control equipment also comprises the first pointer pressure and the second pointer pressure that are used to indicate gas pressure in pipeline, described first pointer pressure is located in pipeline between mortor operated valve and gas holder, and described second pointer pressure to be located in pipeline between pressure transmitter and mortor operated valve.
Described pressure control equipment also comprises the spare duct for doing supplied gas circulation when pipeline maintenance or maintenance, and the two ends of this spare duct are connected with pipeline two ends respectively, and pressure transmitter is connected with spare duct.
Described pressure control equipment also comprises to be located in spare duct, for closing or open the 3rd butterfly valve of spare duct.
Compared with prior art, the utility model has the following advantages:
1) combination of pressure transmitter and mortor operated valve can complete the stable of compressed air system pressure, under making the inlet gas pressure entering gas equipment maintain a stable environment, simultaneously because only adopt the Pressure testing automatic control mode of a pressure transmitter in the utility model, therefore the complexity of system is substantially increased, maintain the air pressure that compressed air system exports to gas equipment, the waste of gas can be reduced, improve efficiency of energy utilization.
2) mortor operated valve carries mortor operated valve controller, without the need to additional high-performance processor, reduces costs.
3) the first butterfly valve and the second butterfly valve can be changed at mortor operated valve or be used for when safeguarding cutting off pipeline, prevent gas leakage.
4) the first pointer pressure and the second pointer pressure can show the air pressure in pipeline, facilitate staff to watch operation, differentiate whether mortor operated valve breaks down.
5) spare duct can do supplied gas circulation when pipeline maintenance or maintenance, and what do not affect gas equipment uses gas.
6) the 3rd butterfly valve can cut off spare duct when pipeline normally runs, and opens spare duct when circuit failure or maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two;
Fig. 3 is the structural representation of the utility model embodiment three;
Wherein: 1, pipeline, 2, pressure transmitter, 3, mortor operated valve, the 4, first butterfly valve, the 5, second butterfly valve, the 6, first pointer pressure, the 7, second pointer pressure, 8, spare duct, the 9, the 3rd butterfly valve.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The present embodiment is implemented premised on technical solutions of the utility model, give detailed mode of execution and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment one:
A kind of pressure control equipment for compressed air system, as shown in Figure 1, comprise the pipeline 1 for being communicated with gas holder and gas equipment, for measure the inlet gas pressure of gas equipment pressure transmitter 2 and for controlling the stable mortor operated valve of inlet gas pressure 3 according to the testing result of pressure transmitter 2, pipeline 1 is located between gas holder and gas equipment, pressure transmitter 2 is located between pipeline 1 and gas equipment, mortor operated valve 3 to be located in pipeline 1 and to be connected with pressure transmitter 2, in FIG, airflow direction is flowing of turning left from the right side.
Wherein, mortor operated valve 3 comprises valve and the mortor operated valve controller for changing valve opening according to inlet gas pressure and the difference of setting air pressure, mortor operated valve controller is connected with pressure transmitter 2 and valve respectively, valve is located in pipeline 1, and in the present embodiment, the inlet gas pressure of gas equipment is equal with the outlet air pressure of pipeline 1.
The utility model adopts the mode of feedback control, pressure transmitter 2 can the gas pressure in Measurement accuracy compressed air line 1 outlet port, and measured value is fed back to mortor operated valve 3, this value and setting value will compare by the mortor operated valve controller then in mortor operated valve 3, if measured value is greater than setting value, the mortor operated valve controller in mortor operated valve 3 valve will turn down by control valve, to reach the effect of the outlet air pressure reducing pipeline 1, when pressure is reduced to equal with setting value time, valve stops action; If measured value is less than setting value, the mortor operated valve controller in mortor operated valve 3 will become large by control valve opening, and to reach the effect of the outlet air pressure increasing pipeline 1, when the outlet air pressure of pipeline 1 equals setting pressure, final controlling element will stop action.
Embodiment two:
No longer describe with the something in common in embodiment one in the present embodiment, only describe difference.
The significant difference of the present embodiment compared with embodiment one is, as shown in Figure 2, in the present embodiment, pressure control equipment also comprises the first butterfly valve 4 and the second butterfly valve 5 for cutting off pipeline 1 when mortor operated valve 3 is changed or keeped in repair, first butterfly valve 4 is located in pipeline 1 between mortor operated valve 3 and gas holder, and the second butterfly valve 5 to be located in pipeline 1 between pressure transmitter 2 and mortor operated valve 3.
Simultaneously, pressure control equipment also comprises the first pointer pressure 6 and the second pointer pressure 7 being used to indicate gas pressure in pipeline 1, first pointer pressure 6 is located in pipeline 1 between mortor operated valve 3 and gas holder, and the second pointer pressure 7 to be located in pipeline 1 between pressure transmitter 2 and mortor operated valve 3.
When in air compressor plant for maintain high pressure (>1.0Mpa) compressed air pressure stablize time, the gas equipment inlet pressure setting value of mortor operated valve 3 is set as 1.12MPa, observe first pointer pressure 6 and second pointer pressure 7 reading at mortor operated valve 3 two ends, when two pointer pressure readings all equal 1.12Mpa, mortor operated valve 3 is failure to actuate.In order to the voltage regulation result of control apparatus clearly can be seen, carry out actual test, when increase air compressor, observe two manometric readings of pointer and be greater than 1.12Mpa, wait for a period of time, observe the change of the pointer pressure gauge reading at mortor operated valve 3 two ends, this value can reduce gradually, is finally stabilized in about 1.12Mpa.
Embodiment three:
No longer describe with the something in common in embodiment two in the present embodiment, only describe difference.
The significant difference of the present embodiment compared with embodiment two is, as shown in Figure 3, in the present embodiment, pressure control equipment also comprises the spare duct 8 doing supplied gas circulation when overhauling for pipeline 1 or maintain, the two ends of this spare duct 8 are connected with pipeline 1 two ends respectively, pressure transmitter 2 is connected with spare duct 8, pressure control equipment also comprises to be located in spare duct 8, for closing or open the 3rd butterfly valve 9 of spare duct 8.
When mortor operated valve 3 needs maintenance or changes, first butterfly valve 4 and the second butterfly valve 5 can be closed, therefore gas will do not had in pipeline 1 to pass through, the 3rd butterfly valve 9 can be opened herein, be gas equipment air feed with spare duct 8, avoid generation gas to interrupt, concrete in order to reach better effect, spare duct 8 and upper equipment thereof can be identical with pipeline 1 and upper equipment thereof.The stable of the pressure of compressed air system is ensured like this by two circuits 1 and mortor operated valve 3.
Claims (6)
1., for a pressure control equipment for compressed air system, comprising:
Pipeline (1), is located between gas holder and gas equipment, for being communicated with gas holder and gas equipment;
It is characterized in that, also comprise:
Pressure transmitter (2), is located between pipeline (1) and gas equipment, for measuring the inlet gas pressure of gas equipment;
Mortor operated valve (3), to be located in pipeline (1) and to be connected with pressure transmitter (2), stablizes for controlling inlet gas pressure according to the testing result of pressure transmitter (2).
2. a kind of pressure control equipment for compressed air system according to claim 1, it is characterized in that, described mortor operated valve (3) comprises valve and the mortor operated valve controller for changing valve opening according to inlet gas pressure and the difference of setting air pressure, described mortor operated valve controller is connected with pressure transmitter (2) and valve respectively, and described valve is located in pipeline (1).
3. a kind of pressure control equipment for compressed air system according to claim 1, it is characterized in that, described pressure control equipment also comprises the first butterfly valve (4) and the second butterfly valve (5) for cutting off pipeline (1) when mortor operated valve (3) is changed or keep in repair, described first butterfly valve (4) is located in pipeline (1) between mortor operated valve (3) and gas holder, and it is middle between pressure transmitter (2) and mortor operated valve (3) that described second butterfly valve (5) is located at pipeline (1).
4. a kind of pressure control equipment for compressed air system according to claim 1, it is characterized in that, described pressure control equipment also comprises the first pointer pressure (6) and the second pointer pressure (7) that are used to indicate pipeline (1) interior gas pressure, described first pointer pressure (6) is located in pipeline (1) between mortor operated valve (3) and gas holder, and it is middle between pressure transmitter (2) and mortor operated valve (3) that described second pointer pressure (7) is located at pipeline (1).
5. according to a kind of pressure control equipment for compressed air system in Claims 1-4 described in arbitrary, it is characterized in that, described pressure control equipment also comprises the spare duct (8) for doing supplied gas circulation when pipeline (1) maintenance or maintenance, the two ends of this spare duct (8) are connected with pipeline (1) two ends respectively, and pressure transmitter (2) is connected with spare duct (8).
6. a kind of pressure control equipment for compressed air system according to claim 5, it is characterized in that, described pressure control equipment also comprises to be located in spare duct (8), for closing or open the 3rd butterfly valve (9) of spare duct (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520112040.5U CN204494086U (en) | 2015-02-16 | 2015-02-16 | A kind of pressure control equipment for compressed air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520112040.5U CN204494086U (en) | 2015-02-16 | 2015-02-16 | A kind of pressure control equipment for compressed air system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204494086U true CN204494086U (en) | 2015-07-22 |
Family
ID=53573403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520112040.5U Expired - Fee Related CN204494086U (en) | 2015-02-16 | 2015-02-16 | A kind of pressure control equipment for compressed air system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204494086U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613316A (en) * | 2015-02-16 | 2015-05-13 | 上海大众祥源动力供应有限公司 | Pressure control equipment for compressed air system |
| CN106969265A (en) * | 2017-04-15 | 2017-07-21 | 广东蓝新氢能源科技有限公司 | A kind of explosion-proof metering device of voltage stabilizing |
-
2015
- 2015-02-16 CN CN201520112040.5U patent/CN204494086U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613316A (en) * | 2015-02-16 | 2015-05-13 | 上海大众祥源动力供应有限公司 | Pressure control equipment for compressed air system |
| CN106969265A (en) * | 2017-04-15 | 2017-07-21 | 广东蓝新氢能源科技有限公司 | A kind of explosion-proof metering device of voltage stabilizing |
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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: 20150722 |