CN102705205A - Pre-treating and variable-flow device of air compression system - Google Patents
Pre-treating and variable-flow device of air compression system Download PDFInfo
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- CN102705205A CN102705205A CN2012101686423A CN201210168642A CN102705205A CN 102705205 A CN102705205 A CN 102705205A CN 2012101686423 A CN2012101686423 A CN 2012101686423A CN 201210168642 A CN201210168642 A CN 201210168642A CN 102705205 A CN102705205 A CN 102705205A
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Abstract
The invention provides a pre-treating and variable-flow device of an air compression system, wherein the wind outlet of an air pre-cooling machine set is connected with an air compressor; the wind outlet of the air compressor is connected with an air/oil cooler; a cold spray evaporation nozzle of the air/oil cooler is connected with a water softening device; the water inlet of a water storage tank is connected with municipal water supply network; the water outlet of the water storage tank is connected with the water softening device; the wind outlet of the air/oil cooler is connected with a separator; a frequency changer is connected with the air compressor; the separator is also connected with a defoaming device; the defoaming device is also connected with a drying and dehumidifying machine set; and the drying and dehumidifying machine is connected with an electric heating device. According to the invention, air temperature values and pressure values of each section are monitored in real time; efficiency of a compressor is increased completely; variable flow regulation of the compressor and a cooler blower is realized; pressure fluctuation on a tail end is reduced; compressed air separated from the outlet end of the compressor satisfies a humidity demand; in addition, the drying and dehumidifying machine set and an electric heating machine set can be cancelled so as to save energy preferably.
Description
Technical field
The present invention relates to the air compression technical field, particularly the air compressor energy-saving control system is used in the large scale industry manufacturing.
Background technique
For many industries such as pharmacy, electronics, chemical fibres, air compressor system extensively is used in production technology, power transmission, control field.In general, directly, behind compressor, become high temperature and high pressure gas from outdoor introduction air; Reduce portion temperature through air-cooled or water-cooled cooler together with lubricant oil, generally lower the temperature, then through after separation, the foam removal at 10-15 ℃; Again the air after the compression is carried out desiccant dehumidification,, need be reduced to lower temperature for reaching effect on moisture extraction; In order to reach user demand, rear-most end also needs heat more simultaneously.The air temperature that gets into compressor is low more, and compressor efficiency is high more, and the oil cooling temperature is low more; Compressor efficiency is promoted obviously; Not high to the air behind compressor, oily cooling-down effect in the existing technology, desiccant dehumidification has produced the cold-hot counteraction phenomenon with heat more simultaneously, wastes energy.
Summary of the invention
The present invention provides a kind of pretreatment and unsteady flow amount device of air compression system, and to improve air compressor efficient, the drying-free dehumidifying can be satisfied user demand.
To achieve these goals, the present invention provides following technological scheme:
A kind of pretreatment of air compression system and unsteady flow amount device; It comprises: air precooling unit, air compressor, frequency variator, separator, demister, air cooler, desiccant dehumidification unit, water storage box, water softening device, Electric heating appliance, wherein:
The exhaust outlet of said air precooling unit connects said air compressor; The exhaust outlet of said air compressor connects the air cooler; The evaporation cold spray shower nozzle of said air cooler connects said water softening device; The water intake of said water storage box connects the municipal water supply net, and the water outlet of said water storage box connects said water softening device, and the exhaust outlet of said air cooler connects said separator;
Said frequency variator connects said air compressor, and said separator also connects said demister, and said demister also connects said desiccant dehumidification unit, and said desiccant dehumidification unit connects said Electric heating appliance.
Preferably, said air precooling unit comprises air filter, surface cooler and the manger board that connects successively, and the exhaust outlet of said manger board connects said air compressor.
Preferably, also comprise first temperature transducer and first pressure transducer that is arranged on the said air compressor front-end pipelines;
Also comprise second temperature transducer and second pressure transducer that are arranged on the pipeline of said air compressor rear end.
Preferably, said water storage box top is provided with the spilling water groove, and this spilling water groove is provided with spill pipe, and the bottom of said water storage box is provided with discharge opening.
Preferably; The pipeline of said Electric heating appliance front end is provided with three-temperature sensor; The pipeline of said Electric heating appliance rear end is provided with the 4th temperature transducer and the 3rd pressure transducer; The front end of said desiccant dehumidification unit is provided with the 5th temperature transducer and the 4th pressure transducer, and the front end of said separator is provided with the 6th temperature transducer and the 5th pressure transducer.
Preferably, the rear end of said air filter is provided with the 7th temperature transducer and the 6th pressure transducer.
Preferably, the rear end of said water softening device is provided with the 7th pressure transducer.
Preferably, said water storage box is provided with the 8th pressure transducer.
Preferably, be provided with first switching valve between said air filter and the said surface cooler, said air filter connects said air compressor, is provided with second switching valve between said air filter and the said air compressor;
Be provided with the 3rd switching valve between the exhaust outlet of said manger board and the said air compressor;
The 4th switching valve is connected Electric heating appliance with the 5th switching valve rear end is passed through in the rear end of said air cooler, and the rear end of said demister is connected the rear end of Electric heating appliance with the 5th switching valve through the 6th switching valve.
Preferably, the water intake of said water storage box also is provided with first stop valve, also is disposed with the water pump and second stop valve between the water outlet of said water storage box and the said water softening device.
Through implementing above technological scheme, have following technique effect: the pretreatment of air compression system provided by the invention and unsteady flow amount device, monitor each section air temperature, force value in real time; Fully improve compressor efficiency; The unsteady flow amount of compressor and cooler blower fan that realizes is regulated, and reduces the terminal pressure fluctuation, and the pressurized air after compressor outlet separates satisfies the humidity demand; Can cancel desiccant dehumidification unit and electric heating unit, with more energy-conservation.
Description of drawings
The structural representation of the device that Fig. 1 provides for the embodiment of the invention.
Embodiment
Technological scheme is for a better understanding of the present invention described embodiment provided by the invention in detail below in conjunction with accompanying drawing.
The embodiment of the invention provides a kind of pretreatment and unsteady flow amount device of air compression system; As shown in Figure 1; Comprise: air precooling unit, air compressor 8, frequency variator 43, separator 5, demister 6, desiccant dehumidification unit 7, air cooler 4, water storage box 40, water softening device 42, Electric heating appliance 36, wherein:
The exhaust outlet of said air precooling unit connects said air compressor 8; The exhaust outlet of said air compressor 8 connects air cooler 4; The evaporation cold spray shower nozzle of said air cooler 4 connects said water softening device 42; The water intake of said water storage box 40 connects the municipal water supply net, and the water outlet of said water storage box 40 connects said water softening device 42, and the exhaust outlet of said air cooler 4 connects said separator 5;
Said frequency variator 43 connects said air compressor 8, and said separator 5 also connects said demister 6, and said demister 6 also connects said desiccant dehumidification unit 7, and said desiccant dehumidification unit 7 connects said Electric heating appliance 36.
This air precooling unit is lowered the temperature, is dehumidified outdoor air, in advance the air compressor intake air is cooled to 15～16 ℃.
In the above-described embodiments, more concrete, said air precooling unit 7 comprises air filter 1, surface cooler 2 and the manger board 3 that connects successively, and the exhaust outlet of said manger board 3 connects said air compressor 8.This surface cooler 2 also is connected with the 7th switching valve 28.
In other embodiment, on above-mentioned each embodiment basis, further, the pretreatment of this air compression system and unsteady flow amount device also comprise first temperature transducer 12 and first pressure transducer 11 that is arranged on said air compressor 8 front-end pipelines;
Also comprise second temperature transducer 14 and second pressure transducer 13 that are arranged on the said air compressor 8 rear end pipelines.
In other embodiment, on above-mentioned each embodiment basis, further; Said water storage box 40 tops are provided with spilling water groove 33; This spilling water groove 33 is provided with spill pipe 41, and the bottom of said water storage box 40 is provided with discharge opening 44, to prevent the dilutional hyponatremia of water storage box 40.
In other embodiment; On above-mentioned each embodiment basis; Further, the pipeline of said Electric heating appliance 36 front ends is provided with three-temperature sensor 35, and the pipeline of said Electric heating appliance 36 rear ends is provided with the 4th temperature transducer 20 and the 3rd pressure transducer 19; The front end of said desiccant dehumidification unit 7 is provided with the 5th temperature transducer 18 and the 4th pressure transducer 17, and the front end of said separator 5 is provided with the 6th temperature transducer 16 and the 5th pressure transducer 15.In other embodiment, on above-mentioned each embodiment basis, further, the rear end of said air filter 1 is provided with the 7th temperature transducer 10 and the 6th pressure transducer 9.
In other embodiment, on above-mentioned each embodiment basis, further, the rear end of said water softening device 42 is provided with the 7th pressure transducer 32.
In other embodiment, on above-mentioned each embodiment basis, further, said water storage box 40 is provided with the 8th pressure transducer 44.
Above-mentioned each pressure transducer and temperature transducer can be monitored the pressure and temperature of each point in real time, to realize more accurately and more stable control.
In other embodiment; On above-mentioned each embodiment basis; Further; Be provided with first switching valve 21 between said air filter 1 and the said surface cooler 2, said air filter 1 connects said air compressor 8, is provided with second switching valve 22 between said air filter 1 and the said air compressor 8;
Be provided with the 3rd switching valve 23 between the exhaust outlet of said manger board 3 and the said air compressor 8;
The rear end of said air cooler 4 connects the rear end of Electric heating appliance 36 through first bypass tube; Said first bypass tube is provided with the 4th switching valve 25 and the 5th switching valve 27; The rear end of said demister 6 is through the rear end of second bypass tube connection Electric heating appliance 36, and said second bypass tube is provided with the 6th switching valve 26 and the 5th switching valve 27.
In other embodiment, on above-mentioned each embodiment basis, further; The water intake of said water storage box 40 also is provided with first stop valve 29; 42 also are disposed with the water pump and second stop valve between the water outlet of said water storage box 40 and the said water softening device, and this water pump comprises first water pump 30 and second water pump 31, and this first water pump 30 is parallelly connected with second water pump 31; Between first water pump 30 and second water pump 31 and water storage box 40, be provided with switching valve; To realize the switching of two water pumps, a water pump damages, and can switch to another water pump and carry out work.
This air filter 1 receives from outdoor air, and the air after Electric heating appliance 36 heating is delivered to end.
In the above-described embodiments, said air precooling unit reduces outside air temperature; Absolute moisture content is directly handled terminal air feed demand; Improve the efficient of compressor, improve the chilling temperature setting value of compression back air, eliminated the energy consumption of lyophilisation dehumidifying unit and Electric heating appliance fully; Compression back air overall process is in the dry cooling condition operation, need not to carry out separator slagging-off and demister, reduces the drag losses of this part through bypass.
In the above-described embodiments, bypass tube is added in respectively and reaches between separator and the demister between lyophilizer and the Electric heating appliance, reduces resistance through complete bypass pressurized air, and then can reduce air compressor outlet pressure setting value.
In the above-described embodiments; Said frequency variator changes the air compressor air supply according to the outlet pressure setting value; Stablize the air feed demand, avoid the supply gas pressure concussion, cancel former air compressor outlet pressure and set high lower bound setting value; Set and then reduction air compressor supply gas pressure value through accurate more outlet pressure, significantly cut down the consumption of energy.
In the above-described embodiments, the spraying device of said air cooler changes original air-cooled pattern into evaporation cold pattern, makes compressed air temperature, and the recycle oil temperature declines to a great extent.
In the above-described embodiments, the shower nozzle of the spraying device of said air cooler adopts the wide-angle shower nozzle, adopts round layout shower nozzle, and the thin dress of injection drop runs into air conduit and the rapid evaporator strip of oil-piping is walked heat.
Said pressure of supply water adopts the raw water service pump Frequency Converter Control, and this raw water service pump frequency variator connects the 7th pressure transducer 32, controls the speed of this water pump according to the pressure size of the 7th pressure transducer 32.
More than a kind of band pretreatment and unsteady flow amount control device that the embodiment of the invention provided have been carried out detailed introduction; For one of ordinary skill in the art; Thought according to the embodiment of the invention; The part that on embodiment and application area, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. the pretreatment of an air compression system and unsteady flow amount device; It is characterized in that; Comprise: air precooling unit, air compressor, frequency variator, separator, demister, air cooler, desiccant dehumidification unit, water storage box, water softening device, Electric heating appliance, wherein:
The exhaust outlet of said air precooling unit connects said air compressor; The exhaust outlet of said air compressor connects the air cooler; The evaporation cold spray shower nozzle of said air cooler connects said water softening device; The water intake of said water storage box connects the municipal water supply net, and the water outlet of said water storage box connects said water softening device, and the exhaust outlet of said air cooler connects said separator;
Said frequency variator connects said air compressor, and said separator also connects said demister, and said demister also connects said desiccant dehumidification unit, and said desiccant dehumidification unit connects said Electric heating appliance.
2. the pretreatment of air compression system and unsteady flow amount device according to claim 1 is characterized in that, said air precooling unit comprises air filter, surface cooler and the manger board that connects successively, and the exhaust outlet of said manger board connects said air compressor.
3. like the pretreatment and the unsteady flow amount device of the said air compression system of claim 2, it is characterized in that, also comprise first temperature transducer and first pressure transducer that are arranged on the said air compressor front-end pipelines;
Also comprise second temperature transducer and second pressure transducer that are arranged on the pipeline of said air compressor rear end.
4. like the pretreatment and the unsteady flow amount device of the said air compression system of claim 3, it is characterized in that said water storage box top is provided with the spilling water groove, this spilling water groove is provided with spill pipe, and the bottom of said water storage box is provided with discharge opening.
5. like the pretreatment and the unsteady flow amount device of the said air compression system of claim 4; It is characterized in that; The pipeline of said Electric heating appliance front end is provided with three-temperature sensor; The pipeline of said Electric heating appliance rear end is provided with the 4th temperature transducer and the 3rd pressure transducer, and the front end of said desiccant dehumidification unit is provided with the 5th temperature transducer and the 4th pressure transducer, and the front end of said separator is provided with the 6th temperature transducer and the 5th pressure transducer.
6. like the pretreatment and the unsteady flow amount device of the said air compression system of claim 5, it is characterized in that the rear end of said air filter is provided with the 7th temperature transducer and the 6th pressure transducer.
7. like the pretreatment and the unsteady flow amount device of the said air compression system of claim 6, it is characterized in that the rear end of said water softening device is provided with the 7th pressure transducer.
8. like the pretreatment and the unsteady flow amount device of the said air compression system of claim 7, it is characterized in that said water storage box is provided with the 8th pressure transducer.
9. like the pretreatment and the unsteady flow amount device of the said air compression system of claim 8; It is characterized in that; Be provided with first switching valve between said air filter and the said surface cooler; Said air filter connects said air compressor, is provided with second switching valve between said air filter and the said air compressor;
Be provided with the 3rd switching valve between the exhaust outlet of said manger board and the said air compressor;
The 4th switching valve is connected Electric heating appliance with the 5th switching valve rear end is passed through in the rear end of said air cooler, and the rear end of said demister is connected the rear end of Electric heating appliance with the 5th switching valve through the 6th switching valve.
10. like the pretreatment and the unsteady flow amount device of the said air compression system of claim 9; It is characterized in that; The water intake of said water storage box also is provided with first stop valve, also is disposed with the water pump and second stop valve between the water outlet of said water storage box and the said water softening device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210168642.3A CN102705205B (en) | 2012-05-28 | 2012-05-28 | A kind of pretreatment of air compression system and variable-flow device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210168642.3A CN102705205B (en) | 2012-05-28 | 2012-05-28 | A kind of pretreatment of air compression system and variable-flow device |
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| CN102705205A true CN102705205A (en) | 2012-10-03 |
| CN102705205B CN102705205B (en) | 2015-12-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691253A (en) * | 2013-12-20 | 2014-04-02 | 上海加力气体有限公司 | Forepart pretreatment device and method related to air separation process |
| CN107816434A (en) * | 2017-11-23 | 2018-03-20 | 河南中烟工业有限责任公司 | A kind of preposition air pretreatment device of air compressor machine |
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| CN202612047U (en) * | 2012-05-28 | 2012-12-19 | 深圳百时得能源环保科技有限公司 | Pretreatment and variable flow device of air compression system |
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Patent Citations (7)
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| US5194714A (en) * | 1989-06-05 | 1993-03-16 | Compagnie Generale D'electricite | Method and device for outside plasma deposition of hydroxyl ion-free silica |
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| DE19813406A1 (en) * | 1998-03-26 | 1999-09-30 | Eisbaer Airtec Entfeuchtungste | Air drying of objects and materials using dehumidified air |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691253A (en) * | 2013-12-20 | 2014-04-02 | 上海加力气体有限公司 | Forepart pretreatment device and method related to air separation process |
| CN107816434A (en) * | 2017-11-23 | 2018-03-20 | 河南中烟工业有限责任公司 | A kind of preposition air pretreatment device of air compressor machine |
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| CN102705205B (en) | 2015-12-23 |
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Address after: 361000 unit 213, zone Z, Shengtong Center II, No. 40, Xiangyun 1st Road, Xiamen area, China (Fujian) pilot Free Trade Zone, Fujian Province Patentee after: Fujian baishide Energy Technology Co., Ltd Address before: 518000 overseas student Pioneer Building, Nanshan District hi tech Zone, Guangdong, Shenzhen 1407 Patentee before: Shenzhen Best Energy Environmental Protection Technology Co.,Ltd. |
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