CN205370941U - Be suitable for compress air system of different pressure rating devices - Google Patents
Be suitable for compress air system of different pressure rating devices Download PDFInfo
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- CN205370941U CN205370941U CN201620047209.8U CN201620047209U CN205370941U CN 205370941 U CN205370941 U CN 205370941U CN 201620047209 U CN201620047209 U CN 201620047209U CN 205370941 U CN205370941 U CN 205370941U
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- 238000009434 installation Methods 0.000 abstract 4
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 2
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- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
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- 241000549548 Fraxinus uhdei Species 0.000 description 1
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Abstract
The utility model provides a be suitable for compress air system of different pressure rating devices, including air compressor for turn into high -pressure pressure energy with mechanical energy, high pressure grade operative installations, through the high voltage transmission pipeline with air compressor's export links to each other, is used for using the high -pressure pressure energy that the air compressor transmission came, the automatic dispatch device, the automatic dispatch device sets up on the high voltage transmission pipeline, low pressure transmission pipeline is connected to the exit end of automatic dispatch device, the automatic dispatch device is used for converting high -pressure pressure energy into the low -pressure pressure ability, with low pressure rating operative installations, with low -pressure pressure transmission pipeline links to each other, is used for using the low -pressure pressure ability that the transmission of automatic dispatch device came. The utility model discloses realize the energy cascade utilization of pressure energy, the safe pressure can pass through the automatic dispatch device is realized high pressure grade operative installations with two kinds of device sharings of low pressure rating operative installations.
Description
Technical field
This utility model belongs to air dispatching technique field, and specifically, this utility model relates to a kind of compressed air system being suitable for different pressures grade devices.
Background technology
Being equipped with compressed air system in a lot of Factories at present, compressed air system is that mechanical energy is transformed into pressure energy by air compressor (abbreviation air compressor machine), and passes to different subsystem, equipment use by transfer conduit.There is the situation that pressure rating is different in different subsystems, for instance the ash compressed air sub-system of thermal power plant and compressed air for instrument subsystem, the pressure rating of ash compressed air sub-system is relatively low.In thermal power plant, it is common to there is the compressed air system of two pressure ratings, the ash in the pump of storehouse, for malleation concentrated phase Pneumatic ash conveying, is delivered to ash storehouse by ash conveying pipe by a system, and pressure is generally not less than 0.45MPa, is called ash compressed air sub-system；Another system is used for controlling operated pneumatic valve action, and pressure is generally not less than 0.55MPa, is called compressed air for instrument subsystem.
For compressed air system power-saving technology, domestic and international current technology research direction be all around how reducing aerogenesis, transmission, with the energy loss of three links of gas, as improved air compressor energy conversion efficiency, improve power source and exert oneself, by material and parameter optimize reduce transfer conduit loss, reduce user and use compressed-air actuated leakage rate and improve user self to efficiency of energy utilization etc..But the energy waste that redundancy that the air compressor based on security consideration is exerted oneself causes lacks research.Therefore, how present stage realizes rational management compression air between the system of different pressures grade becomes the task of top priority.
Now compression air is applicable to the system of different pressures grade, usual way is: when compression air is adapted to compressed air for instrument subsystem (namely pressure rating uses higher) by needs, by air compressor in corresponding subsystem is added unloading, making system pressure fluctuate in higher pressure bound range of set value, redundancy meets system requirements；When compression air is adapted to ash compressed air sub-system (namely pressure rating uses relatively low) by needs, by air compressor in corresponding subsystem is added unloading, making system pressure fluctuate in relatively low pressure bound range of set value, redundancy meets system requirements；The energy waste of this redundancy is embodied in two aspects, and one is pressure bound setting value average higher than actual demand pressure, and two is power consumption and not aerogenesis during air compressor unloading.Constantly loading, unload standby, it wastes substantial amounts of manpower and materials, and result of use is not good enough.Another way is: air compressor is carried out variable frequency adjustment, makes air compressor be applicable to the system of different pressures grade by continuous variable frequency adjustment；It is known that the method can waste resource equally, and producing harmonic pollution, the result of use when frequency conversion is not good enough.
Utility model content
The purpose of this utility model is in that to provide a kind of compressed air system being suitable for different pressures grade devices, at least to solve the technical problem of the compressed air system dispatching method waste resource that prior art exists, can solve the problem that the technical problem of the compressed air system dispatching method poor effect existed in prior art simultaneously.
In order to solve the problems referred to above, this utility model provides a kind of compressed air system being suitable for different pressures grade devices, and its technical scheme is as follows:
A kind of compressed air system being suitable for different pressures grade devices, including air compressor, being used for changes mechanical energy is high-pressure energy；High pressure grade uses device, is connected by the outlet of high-voltage transmission pipeline with described air compressor, the high-pressure energy come for using described air compressor to transmit；Autodispatcher, described autodispatcher is arranged on described high-voltage transmission pipeline, and the port of export of described autodispatcher connects low-voltage transmission pipeline, and described autodispatcher is for being converted to low pressure energy by high-pressure；Use device with low-pressure grade, be connected with described low pressure transmission pipeline, the low pressure energy come for using described autodispatcher to transmit.
The compressed air system being suitable for different pressures grade devices described above, more preferably: described autodispatcher includes three-way valve, the supervisor two ends of described three-way valve are arranged on described high-voltage transmission pipeline, and the arm of described three-way valve is connected with described low-voltage transmission pipeline；With regulate valve, be arranged on the arm of described three-way valve, be used for regulating pressure energy.
The compressed air system being suitable for different pressures grade devices described above, more preferably: described autodispatcher also includes check valve, is arranged on the arm of described three-way valve.
The compressed air system being suitable for different pressures grade devices described above, more preferably: described check valve is positioned at the back-end location of described adjustment valve.
The compressed air system being suitable for different pressures grade devices described above, more preferably: described autodispatcher also includes controller, and described controller is connected with described adjustment valve, for controlling the aperture size of described adjustment valve.
Analyze it can be seen that compared with prior art, advantage of the present utility model and having the beneficial effects that:
The compressed air system being suitable for different pressures grade devices provided once, this utility model by arrange described autodispatcher can be able to be scheduled to high-pressure high for pressure rating to be applicable to low pressure can described low-pressure grade use device, this utility model realizes the cascaded utilization of energy of pressure energy, and safe pressure can realize described high pressure grade by described autodispatcher and use device and described low-pressure grade to use two kinds of devices of device to share.Being suitable for of this utility model offer is possible to prevent the wasting of resources without the compressed air system of pressure rating device and is well applicable to the device of two kinds of different pressures grades.
Two, described autodispatcher of the present utility model is formed by the combination of described three-way valve, described adjustment valve and described check valve, and it has simple in construction, safe and reliable feature.
Three, described autodispatcher of the present utility model is additionally provided with controller, arranges, by controller, the function that Automatic dispatching can be fully achieved.
Accompanying drawing explanation
Fig. 1 is the structural representation of the compressed air system being suitable for different pressures grade devices of this utility model preferred embodiment.
Fig. 2 is the structural representation of autodispatcher of the present utility model.
Fig. 3 is the structural representation that this utility model is applicable to compressed air for instrument source and ash compressed air source.
In figure, 1-air compressor；11-high-voltage transmission pipeline；2-high pressure grade uses device；3-autodispatcher；31-low-voltage transmission pipeline；32-three-way valve；33-regulates valve；34-check valve；4-low-pressure grade uses device.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further details.
As it is shown in figure 1, the compressed air system being suitable for different pressures grade devices of this utility model preferred embodiment mainly includes air compressor 1, being used for changes mechanical energy is high-pressure energy；High pressure grade uses device 2, is connected by the outlet of high-voltage transmission pipeline 11 with air compressor 1, for the high-pressure energy using air compressor 1 to transmit；Autodispatcher 3, autodispatcher 3 is arranged on high-voltage transmission pipeline 11, and the port of export of autodispatcher 3 connects low-voltage transmission pipeline 31, and autodispatcher 3 is for being converted to low pressure energy by high-pressure；Use device 4 with low-pressure grade, be connected with low pressure transmission pipeline 31, for the low pressure energy using autodispatcher 3 to transmit.
Generally speaking, the compressed air system being suitable for different pressures grade devices that this utility model provides, the low-pressure grade that high-pressure high for pressure rating just can be scheduled to be applicable to low pressure energy by arranging autodispatcher 3 uses device 4, this utility model realizes the cascaded utilization of energy of pressure energy, and safe pressure can realize high pressure grade by autodispatcher 3 and use device 2 and low-pressure grade to use 4 two kinds of devices of device to share.Being suitable for of this utility model offer is possible to prevent the wasting of resources without the compressed air system of pressure rating device and is well applicable to the device of two kinds of different pressures grades.
In order to make the compressed air system being suitable for different pressures grade devices that this utility model provides easy to operate, as shown in Figure 2, autodispatcher 3 of the present utility model includes three-way valve 32, the supervisor two ends of three-way valve 32 are arranged on high-voltage transmission pipeline 11, and the arm of three-way valve 32 is connected with low-voltage transmission pipeline 31；With regulate valve 33, be arranged on the arm of three-way valve 32, be used for regulating pressure energy.In order to make compression air occur without adverse current situation, as in figure 2 it is shown, autodispatcher of the present utility model 3 also includes check valve 34, being arranged on the arm of three-way valve 32, check valve 34 may insure that the one-way transmission of compression air stream.Being preferably, check valve 34 is positioned at the back-end location regulating valve 33, so arranges and is easy to regulate the valve 33 control to autodispatcher 3.In this utility model, h also includes two stop valves, and the first stop valve is arranged on the side regulating valve 33, is used for closing adjustment valve 33；Second stop valve is arranged on the side of check valve 34, is used for closing closed system and runs.In this utility model, the function of stop valve is that barrier systems is out of service with control dispatching device.
In order to realize automatic dispatching, autodispatcher 3 of the present utility model also includes controller (not shown), and controller is connected with regulating valve 33, for controlling to adjust the aperture size of valve 33.Controller accepts the pressure of high pressure side outlet (i.e. high-voltage transmission pipeline 11), flow signal, compares with controller internal pressure setting value, controls to adjust valve 33 action according to bias direction, it is achieved with flow-compensated level pressure automatic regulating system；When high pressure side outlet (i.e. high-voltage transmission pipeline 11) pressure is higher than setting value, regulate valve 33 aperture and increase；When high pressure side outlet (i.e. high-voltage transmission pipeline 11) pressure is lower than internal pressure setting value, regulate valve 33 aperture and reduce；If high pressure side outlet (i.e. high-voltage transmission pipeline 11) pressure is equal to internal pressure setting value, regulates valve 33 and maintain existing aperture.
Autodispatcher 3 of the present utility model is the efficient combination of the one group of device being equipped with for realizing scheduling feature, regulates valve 33 and realizes high pressure grade constant voltage by the controller in autodispatcher 3 and regulate and overflow is dispatched to the function of low-pressure grade.All the time be in loading duty at this utility model mesohigh subsystem i.e. air compressor 1 of (high pressure grade uses device 2), i.e. declared working condition, output is constant.Autodispatcher 3 is scheduled to the power of lower pressure subsidiary system (low-pressure grade uses device 4) and uses the changed power of device 2 consumption to change according to high pressure grade.Certain autodispatcher of the present utility model 3 be not limited to by three-way valve 32, regulate valve 33, single form that check valve 34 and controller forms, it is also possible to by maturation, general equipment forms；As long as the device being namely capable of Automatic dispatching function all can apply in this utility model.
As it is shown on figure 3, work process of the present utility model is described in detail for ash compressed air sub-system and the compressed air for instrument subsystem of thermal power plant below, in thermal power plant, the pressure rating of ash compressed air sub-system is relatively low.
The air source that air compressor 1 transmits out is with compressed air for instrument source (i.e. high-pressure energy) for standard, compressed air for instrument source enters into instrument air force user (namely high pressure grade uses device 2), and instrument air force user directly uses compressed air for instrument source；
The branch in compressed air for instrument source is provided with autodispatcher, compressed air for instrument source is scheduling to ash compressed air source (i.e. low pressure energy) by autodispatcher, and air force user (namely low-pressure grade uses device 4) is used in ash compressed air source transmission to ash, ash air force user can directly use ash compressed air source now.
Through above-mentioned use, it is possible to save the energy in a large number, such as following table:
| Project | Original system | New system |
| Instrument load | Qy-Δqy=Q1 | Qy-Δqy=Q1 |
| Ash load | Qh-Δqh=Q2 | Qh-Δqh+Δqy=Q2 |
| Redundancy loss | Δ q=Δ qy+Δqh | Δ q=Max (Δ qh,Δqy) |
Can be seen that through above table, in original system, the consume situation of ash compressed air sub-system (i.e. ash load) and compressed air for instrument subsystem (instrument load) is all independent calculating, and in new system, the consume of instrument load is identical with original system, but owing to new system being provided with autodispatcher 3, it is possible to reduce the consume of ash load.
Analyze it can be seen that compared with prior art, advantage of the present utility model and having the beneficial effects that:
The compressed air system being suitable for different pressures grade devices provided once, this utility model by arrange autodispatcher 3 can be able to be scheduled to high-pressure high for pressure rating to be applicable to low pressure can low-pressure grade use device 4, this utility model realizes the cascaded utilization of energy of pressure energy, and safe pressure can realize high pressure grade by autodispatcher 3 and use device 2 and low-pressure grade to use 4 two kinds of devices of device to share.Being suitable for of this utility model offer is possible to prevent the wasting of resources without the compressed air system of pressure rating device and is well applicable to the device of two kinds of different pressures grades.
Two, autodispatcher 3 of the present utility model is formed by the combination of three-way valve 32, adjustment valve 33 and check valve 34, and it has simple in construction, safe and reliable feature.
Three, autodispatcher 3 of the present utility model is additionally provided with controller, arranges, by controller, the function that Automatic dispatching can be fully achieved.
As known by the technical knowledge, this utility model can be realized by the embodiment of other essence without departing from its spirit or essential feature.Therefore, embodiment disclosed above, for each side, all it is merely illustrative, is not only.All all it is included in the utility model within the scope of this utility model or in the change being equal in scope of the present utility model.
Claims (5)
1. the compressed air system being suitable for different pressures grade devices, it is characterised in that including:
Air compressor, being used for changes mechanical energy is high-pressure energy；
High pressure grade uses device, is connected by the outlet of high-voltage transmission pipeline with described air compressor, the high-pressure energy come for using described air compressor to transmit；
Autodispatcher, described autodispatcher is arranged on described high-voltage transmission pipeline, and the port of export of described autodispatcher connects low-voltage transmission pipeline, and described autodispatcher is for being converted to low pressure energy by high-pressure；With
Low-pressure grade uses device, is connected with described low pressure transmission pipeline, the low pressure energy come for using described autodispatcher to transmit.
2. the compressed air system being suitable for different pressures grade devices according to claim 1, it is characterised in that described autodispatcher includes:
Three-way valve, the supervisor two ends of described three-way valve are arranged on described high-voltage transmission pipeline, and the arm of described three-way valve is connected with described low-voltage transmission pipeline；With
Regulate valve, be arranged on the arm of described three-way valve, be used for regulating pressure energy.
3. the compressed air system being suitable for different pressures grade devices according to claim 2, it is characterised in that described autodispatcher also includes:
Check valve, is arranged on the arm of described three-way valve.
4. the compressed air system being suitable for different pressures grade devices according to claim 3, it is characterised in that:
Described check valve is positioned at the back-end location of described adjustment valve.
5. the compressed air system being suitable for different pressures grade devices according to claim 2,3 or 4, it is characterised in that described autodispatcher also includes:
Controller, described controller is connected with described adjustment valve, for controlling the aperture size of described adjustment valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047209.8U CN205370941U (en) | 2016-01-18 | 2016-01-18 | Be suitable for compress air system of different pressure rating devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047209.8U CN205370941U (en) | 2016-01-18 | 2016-01-18 | Be suitable for compress air system of different pressure rating devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205370941U true CN205370941U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620047209.8U Expired - Fee Related CN205370941U (en) | 2016-01-18 | 2016-01-18 | Be suitable for compress air system of different pressure rating devices |
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| Country | Link |
|---|---|
| CN (1) | CN205370941U (en) |
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2016
- 2016-01-18 CN CN201620047209.8U patent/CN205370941U/en not_active Expired - Fee Related
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| 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: 20160706 |