CN202519026U - Special oxygen generating device for ozone generator - Google Patents

Special oxygen generating device for ozone generator Download PDF

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Publication number
CN202519026U
CN202519026U CN2012201130333U CN201220113033U CN202519026U CN 202519026 U CN202519026 U CN 202519026U CN 2012201130333 U CN2012201130333 U CN 2012201130333U CN 201220113033 U CN201220113033 U CN 201220113033U CN 202519026 U CN202519026 U CN 202519026U
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China
Prior art keywords
oxygen
valve
import
outlet
control
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Expired - Fee Related
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CN2012201130333U
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Chinese (zh)
Inventor
郗春满
李辉
郭正军
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Suzhou Sujing Protective Atmosphere Co ltd
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Suzhou Sujing Protective Atmosphere Co ltd
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Abstract

The utility model discloses a special oxygen generating device for an ozone generator. The special oxygen generating device sequentially comprises a filter silencer, a blast blower, a cooler, an adsorption tower group, an oxygen buffer tank, an oxygen compressor, a drying tower group, a water cooler and a gas-water separator from upstream to downstream. After air is filtered and is blown into the cooler by the blast blower, the air enters into adsorption towers; after moisture, nitrogen, carbon dioxide and other foreign gases in the air are absorbed, oxygen flows out of the adsorption towers to enter into the oxygen buffer tank; and the oxygen is pressurized by the oxygen compressor and is then sent into drying towers, and the oxygen is dried to obtain the needed special oxygen for the ozone generator. When one drying tower in the drying tower group is used for drying the oxygen, another drying tower is blown by part of the special oxygen for the ozone generator to regenerate gas; the regenerated gas is subjected to water cooling and gas-water separation to enter into the oxygen compressor, the regenerated gas is pressurized by the oxygen compressor and then enters into the drying towers again to be dried, and finally the special oxygen for the ozone generator is obtained; and thus no oxygen is emptied to cause waste.

Description

The special-purpose oxygen generating plant of ozone machine
Technical field
the utility model relates to the special-purpose oxygen generating plant of a kind of ozone machine.
Background technology
ozone machine has been widely used in the purification of industrial sewage, sewage and the advanced treatment of tap water.The source of the gas of ozone machine mainly contains three kinds: 1) air; 2) high-purity oxygen that forms through gasification of liquid oxygen; 3) oxygen produced of on-the-spot gas making device.Wherein, using air to produce ozone as source of the gas is the method that ozone technology development preliminary stage generally adopts, and the advantage of this technology is that the source of the gas extraction process is simple, and shortcoming is that the ozone concn of producing out is low, the big (25KWh/kgO of current consumption 3 ), be eliminated gradually now.The high-purity oxygen that uses the liquid oxygen gasification to obtain carries out the ozone preparation as source of the gas means; Can obtain the ozone of maximum concentration; But liquid oxygen generally needs outsourcing, and the ozone total cost changes along with the variation of liquid oxygen price, and this kind mode is not suitable for intermittently using the occasion of ozone.The scene is produced oxygen and to ozone machine the mode of oxygen source is provided, and can produce the above ozone of 18% concentration easily, can satisfy most application scenarios, and the machine start and stop are convenient, and current consumption is low (less than 14KWh/kgO 3 ), obtained fast development at present.But the output that is limited to present domestic separate unit ozone machine; Oxygen is produced at the small-sized pressure swing adsorption oxygen making device of general employing scene provides source of the gas; The oxygen water cut of producing does not reach the request for utilization of ozone machine, also must increase the oxygen drying installation in addition, and when drying installation is regenerated; Some regeneration of oxygen must be slatterned by emptying, and this has increased the running cost of system.
Summary of the invention
The purpose of the utility model provides the special-purpose oxygen generating plant of ozone machine of no oxygen emptying waste.
For achieving the above object, the utility model has adopted following technical scheme: the special-purpose oxygen generating plant of a kind of ozone machine comprises from the upper reaches to downstream successively
Import can input air filter and sound damper;
Gas blower, the import of said gas blower is connected with the outlet of said filter and sound damper;
Water cooler, the import of said water cooler is connected with the outlet of said gas blower;
Can adsorb oxygenous adsorption tower group to the air of this water cooler output thereby be connected with the outlet of said water cooler, said adsorption tower group comprises alternately adsorbing air and can alternately be vacuumized a plurality of adsorption towers of regenerated by vacuum pump simultaneously;
Import is connected with said adsorption tower group and can receives the oxygen surge tank of the oxygen that this adsorption tower group produces;
Oxygen compressor, the import of said oxygen compressor is connected with the outlet of said oxygen surge tank;
Can carry out the drying tower group that drying is exported the special-purpose oxygen of said ozone machine to the oxygen of this compressor boost thereby be connected with the outlet of said oxygen compressor, said drying tower group comprise can alternately carry out drying to oxygen simultaneously can be alternately by a plurality of drying towers of the said ozone machine special use oxygen blow regenerated of part;
Import is connected with said drying tower group and can purges the water cooler that the gas that bears again carries out water-cooled to said drying tower;
air water separator, the import of said air water separator is connected with the outlet of said water cooler, and the outlet of said air water separator is connected with the import of said oxygen compressor.
are as a kind of concrete embodiment; Said drying tower group comprises two drying towers at least; Each said drying tower all has open top and bottom opening; Be connected with the first dry control on the open top of said each drying tower and the bottom opening respectively and use valve with valve, the second dry control; The said first dry control is connected with said open top with the import of valve; The said first dry control with the outlet of valve all be used to carry the pipeline of said ozone machine special use oxygen to be connected; The said second dry control is connected with said bottom opening with the outlet of valve; The said second dry control all is connected with the outlet of said oxygen compressor with the import of valve, also is connected with the first regeneration control on the open top of said each drying tower and the bottom opening respectively and uses valve with valve, the second regeneration control, and the said first regeneration control is connected with said open top with the outlet of valve; The said first regeneration control all is connected with the said pipeline that is used for the special-purpose oxygen of delivery of ozone machine with the import of valve; The said second regeneration control is connected with said bottom opening with the import of valve, and the said second regeneration control all is connected with the import of said water cooler with the outlet of valve, and said each drying tower bed inside is provided with the well heater that can heat bed at this drying tower during by said ozone machine special use oxygen blow.
During practical implementation; Said adsorption tower group comprises two adsorption towers at least; Each said adsorption tower all has open top and bottom opening; Be connected with the first absorption control on the open top of said each adsorption tower and the bottom opening respectively and use valve with valve, the second absorption control, the said first absorption control is connected with said open top with the import of valve, and the said first absorption control all is connected with the import of valve with the outlet of valve; The outlet of said valve is connected with the import of said oxygen surge tank; The said second absorption control is connected with said bottom opening with the outlet of valve, and the said second absorption control all is connected with the outlet of said water cooler with the import of valve, is connected through pressure-balance valve between the open top of said two adsorption towers; Also be connected with regeneration control on the bottom opening of said two adsorption towers respectively and use valve; Said regeneration control is connected with said bottom opening with the import of valve, and said regeneration control is connected with the import of said vacuum pump with the outlet of valve, and said vacuum pump outlet is connected with sourdine.
preferably, said oxygen compressor adopts inverter compressor.
During practical implementation, said air water separator is provided with the valve that can control or manually control draining automatically.
owing to the utilization of technique scheme, the utility model compared with prior art has advantage: air is after filter, being advanced water cooler by the gas blower drum; Get in the adsorption tower, after airborne moisture, nitrogen, carbonic acid gas and other foreign gas were fallen in absorption, oxygen flowed out from adsorption tower; Get into the oxygen surge tank, after the supercharging of oxygen compressor, send in the drying tower again, after drying, obtain the special-purpose oxygen of required ozone machine; A drying tower is carrying out exsiccant simultaneously in the drying tower group to oxygen; Another drying tower can be purged regeneration by the special-purpose oxygen of part ozone machine, and regeneration gas can get in the oxygen compressor after water-cooled, gas-water separation, after the supercharging of compressor, gets into drying tower again and carries out drying; Obtain the special-purpose oxygen of ozone machine, guaranteed no oxygen emptying waste like this.
Description of drawings
accompanying drawing 1 is the synoptic diagram of the utility model.
Embodiment
The structure of the utility model is further set forth in below in conjunction with accompanying drawing.
The special-purpose oxygen generating plant of the described ozone machine of the utility model, for industrial ozone machine provides the oxygen of 90%~95% concentration, it is desired below-60 ℃ that the oxygen dew points at normal pressure reaches ozone machine, and unit oxygen energy consumption is less than 0.4KWh/m 3 O 2 .
are in Fig. 1; Air is through the filtration of filter and sound damper 1; After being advanced water cooler 3 by gas blower 2 drum, get in the adsorption tower 41 closely knit successively from bottom to top activated alumina, 13X molecular sieve and the sorbent material of being filled with in the adsorption tower 41; After moisture in absorbed air, nitrogen, carbonic acid gas and other foreign gas, oxygen flows out from adsorption tower 41 tops.41, two adsorption towers of two adsorption towers 41 alternately absorption and regeneration are arranged, in the adsorption tower group 4 when first adsorption tower 41 is in adsorbed state; Second adsorption tower 41 uses vacuum pump 47 to vacuumize regeneration; After the half period, the state of two adsorption towers 41 is come through the switch switching of valve 42,43 and 46, and promptly second adsorption tower 41 adsorbs; First adsorption tower 41 vacuumizes regeneration; Two adsorption towers 41 hocket and adsorb and regeneration, can realize producing continuously oxygen, and the oxygen of output gets in the oxygen surge tank 5.The oxygen pressure 20Kpa (relative pressure) that only has an appointment in oxygen surge tank 5; Can not satisfy the request for utilization of ozone machine; Then need oxygen pressure be increased to 0.15~0.2Mpa through oxygen compressor 6; Send into then in the oxygen drying tower 71, the water cut that oxygen is dried to ozone machine requires (the oxygen dew point can reach below-60 ℃ after drying, can satisfy the request for utilization of ozone machine).Two drying towers 71 are arranged in the drying tower group 7; Two drying towers 71 hocket drying and regeneration; Carry out using a part of product gas (be about 10%~20% of total gas production, be no more than 40%) that another drying tower 71 is purged regeneration when drying obtains product gas (be ozone machine special-purpose oxygen) at 71 pairs of oxygen of a drying tower; In the process that the product air-blowing is swept; The inner well heater of drying tower 71 beds that is in reproduced state begins heating, makes wherein to adsorb saturated moisture and be released out, and the oxygen that is dried is taken drying tower 71 out of.Regeneration gas behind the purging is through the cooling of water cooler 8; Wherein saturation moisture is condensed out, the separation through air water separator 9 then, and liquid water is through SV regular discharge come out (but also manual control valve is discharged); Air water separator 9 isolated oxygen then are sent to the prime of oxygen compressor 6; After the supercharging of compressor 6, get into drying tower 71 and carry out drying, obtain product gas, guaranteed that oxygen does not have waste.Behind the regeneration ending; Two drying towers 71 pass through the switch switching state of valve 72,73,74,75; The drying tower 71 that promptly was in adsorbed state originally begins heating ventilation regeneration; The drying tower 71 beginning adsorption moistures that another was in reproduced state have originally guaranteed carrying out continuously of dry work, promptly realize the successive aerogenesis.
based on the elaboration of above-mentioned workflow, referring to Fig. 1, and the special-purpose oxygen generating plant of the ozone machine of the utility model; Comprise filter and sound damper 1, gas blower 2, water cooler 3, adsorption tower group 4, oxygen surge tank 5, oxygen compressor 6, drying tower group 7, water cooler 8, air water separator 9 that import can input air successively to downstream from the upper reaches; The import of gas blower 2 is connected with the outlet of filter and sound damper 1, and the import of water cooler 3 is connected with the outlet of gas blower 2, through gas blower 2 air source is provided; Adsorption tower group 4 is connected with the outlet of water cooler 3; Thereby adsorption tower group 4 can be adsorbed the air of water cooler 3 output and produced oxygen, and the import of oxygen surge tank 5 is connected with adsorption tower group 4, and surge tank 5 can receive the oxygen of adsorption tower group 4 generations; The import of oxygen compressor 6 is connected with the outlet of oxygen surge tank 5; Drying tower group 7 is connected with the outlet of oxygen compressor 6, thereby drying tower group 7 can be carried out the special-purpose oxygen of drying output ozone machine to the oxygen of compressor 6 superchargings, in drying tower group 7; Two drying towers 71 can alternately carry out drying to oxygen and can alternately be regenerated by the special-purpose oxygen blow of part ozone machine simultaneously; The import of water cooler 8 is connected with drying tower group 7, and water cooler 8 can purge the gas that bears again to drying tower 71 and carry out water-cooled, and the saturation moisture in the regeneration gas is condensed out; The import of air water separator 9 is connected with the outlet of water cooler 8, and the outlet of air water separator 8 is connected with the import of oxygen compressor 6.Regeneration gas is isolated liquid water, regeneration of oxygen through air water separator 9, and regeneration of oxygen is sent to the prime of oxygen compressor 6, after the supercharging of compressor 6, gets into drying tower 71 and carries out drying again, has avoided the emptying waste of oxygen.In order to adapt to the bigger variation of the tolerance of regenerating, oxygen compressor 6 adopts frequency conversion types.
are in the drying tower group 7 of Fig. 1; Each drying tower 71 all has open top and bottom opening; Be connected with the first dry control on the open top of each drying tower 71 and the bottom opening respectively with valve 73, second dry the control with valve 72; The first dry control is connected with the open top of drying tower 71 with the import of valve 73; The first dry control can be flowed out the special-purpose oxygen of ozone machine with the outlet of valve 73, so all be connected with the pipeline 10 that is used for the special-purpose oxygen of delivery of ozone machine, the second dry control is connected with the outlet of valve 72 and the bottom opening of drying tower 71; The second dry control all is connected with the outlet of oxygen compressor 6 with the import of valve 72; Through opening the first dry control with valve 73, second dry the control with valve 72, can realize that then the oxygen of 71 pairs of compressor 6 superchargings of drying tower carries out drying, the drying control of two drying towers 71 is alternately opened with valve.Also being connected with the first regeneration control on the open top of each drying tower 71 and the bottom opening respectively controls with valve 75 with valve 74, second regeneration; The first regeneration control is connected with the open top of drying tower 71 with the outlet of valve 74; The first regeneration control all is connected with the pipeline 10 that is used for the special-purpose oxygen of delivery of ozone machine with the import of valve 74; Second regeneration is controlled and is connected with the import of valve 75 and the bottom opening of drying tower 71, and the second regeneration control all is connected with the import of water cooler 8 with the outlet of valve 75, opens the first regeneration control and regenerates control with valve 75 with valve 74, second; Then can realize drying tower 71 being purged regeneration with the special-purpose oxygen of part ozone machine; The regeneration of two drying towers 71 control is alternately opened with valve, and each drying tower 71 bed inside is provided with well heater 76, and well heater 76 can be at drying tower 71 heating bed during by the special-purpose oxygen blow of ozone machine; The oxygen that makes the saturated moisture of absorption purged is taken drying tower 71 out of, gets into water cooler 8.
are in the adsorption tower group 4 of Fig. 1; Each adsorption tower 41 all has open top and bottom opening; Being connected with the first absorption control on the open top of each adsorption tower 41 and the bottom opening respectively controls with valve 42 with valve 43, second absorption; The first absorption control is connected with the open top of adsorption tower 41 with the import of valve 43; The first absorption control all is connected with the import of valve 44 with the outlet of valve 43, and the outlet of valve 44 is connected with the import of oxygen surge tank 5, and the second absorption control is connected with the outlet of valve 42 and the bottom opening of adsorption tower 41; The second absorption control all is connected with the outlet of water cooler 3 with the import of valve 42; Control with valve 42, valve 44 with valve 43, second absorption through opening the first absorption control, can realize that then the air of 41 pairs of water coolers of adsorption tower, 3 outputs adsorbs, airborne nitrogen, water, carbonic acid gas and other gas are fallen in absorption; Obtain oxygen and get in the surge tank 5, the absorption of two adsorption towers 41 control is alternately opened with valve.Also be connected with regeneration control on the bottom opening of two adsorption towers 41 respectively with valve 46; Regeneration control is connected with the bottom opening of adsorption tower 41 with the import of valve 46; Regeneration control is connected with the import of vacuum pump 47 with the outlet of valve 46, and the outlet of vacuum pump 47 is connected with sourdine 48.Open regeneration control with valve 46, vacuumize, realize the regeneration of adsorption tower 41 through vacuum pump 47.Also be connected between the open top of two adsorption towers 41 through pressure-balance valve 45; Saturated in an adsorption tower 41 absorption like this, another one adsorption tower 41 regeneration endings need be controlled with valve 46 to come before the switch operating state with valve, regeneration through switching absorption control; Also has a pressure equalizing through pressure-balance valve 45; Promptly two adsorption towers 41 are realized intercommunication through the unlatching of pressure-balance valve 45, and the adsorption tower 41 that so has been in the adsorbed state end has little time to send its top into adsorption tower 41 tops that oxygen in the surge tank 5 is sent into another regeneration ending, like this after the adsorption tower 41 of regeneration ending switches to adsorbed state; The oxygen at top can in time be sent in the surge tank 5; Guarantee that like this oxygen of producing is farthest utilized, if there is not pressure-balance valve 45, the adsorption tower 41 that then has been in the adsorbed state end is after being switched to reproduced state; The oxygen that the top has little time to send in the surge tank 5 can be taken away by vacuum pump 48, causes waste.

Claims (5)

1. the special-purpose oxygen generating plant of ozone machine is characterized in that: comprise successively from the upper reaches to downstream
Import can input air filter and sound damper;
Gas blower, the import of said gas blower is connected with the outlet of said filter and sound damper;
Water cooler, the import of said water cooler is connected with the outlet of said gas blower;
Can adsorb oxygenous adsorption tower group to the air of this water cooler output thereby be connected with the outlet of said water cooler, said adsorption tower group comprises alternately adsorbing air and can alternately be vacuumized a plurality of adsorption towers of regenerated by vacuum pump simultaneously;
Import is connected with said adsorption tower group and can receives the oxygen surge tank of the oxygen that this adsorption tower group produces;
Oxygen compressor, the import of said oxygen compressor is connected with the outlet of said oxygen surge tank;
Can carry out the drying tower group that drying is exported the special-purpose oxygen of said ozone machine to the oxygen of this compressor boost thereby be connected with the outlet of said oxygen compressor, said drying tower group comprise can alternately carry out drying to oxygen simultaneously can be alternately by a plurality of drying towers of the said ozone machine special use oxygen blow regenerated of part;
Import is connected with said drying tower group and can purges the water cooler that the gas that bears again carries out water-cooled to said drying tower;
Air water separator, the import of said air water separator is connected with the outlet of said water cooler, and the outlet of said air water separator is connected with the import of said oxygen compressor.
2. the special-purpose oxygen generating plant of ozone machine according to claim 1; It is characterized in that: said drying tower group comprises two drying towers at least; Each said drying tower all has open top and bottom opening; Be connected with the first dry control on the open top of said each drying tower and the bottom opening respectively and use valve with valve, the second dry control; The said first dry control is connected with said open top with the import of valve; The said first dry control with the outlet of valve all be used to carry the pipeline of said ozone machine special use oxygen to be connected; The said second dry control is connected with said bottom opening with the outlet of valve; The said second dry control all is connected with the outlet of said oxygen compressor with the import of valve, also is connected with the first regeneration control on the open top of said each drying tower and the bottom opening respectively and uses valve with valve, the second regeneration control, and the said first regeneration control is connected with said open top with the outlet of valve; The said first regeneration control all is connected with the said pipeline that is used for the special-purpose oxygen of delivery of ozone machine with the import of valve; The said second regeneration control is connected with said bottom opening with the import of valve, and the said second regeneration control all is connected with the import of said water cooler with the outlet of valve, and said each drying tower bed inside is provided with the well heater that can heat bed at this drying tower during by said ozone machine special use oxygen blow.
3. the special-purpose oxygen generating plant of ozone machine according to claim 1; It is characterized in that: said adsorption tower group comprises two adsorption towers at least; Each said adsorption tower all has open top and bottom opening; Be connected with the first absorption control on the open top of said each adsorption tower and the bottom opening respectively and use valve with valve, the second absorption control, the said first absorption control is connected with said open top with the import of valve, and the said first absorption control all is connected with the import of valve with the outlet of valve; The outlet of said valve is connected with the import of said oxygen surge tank; The said second absorption control is connected with said bottom opening with the outlet of valve, and the said second absorption control all is connected with the outlet of said water cooler with the import of valve, is connected through pressure-balance valve between the open top of said two adsorption towers; Also be connected with regeneration control on the bottom opening of said two adsorption towers respectively and use valve; Said regeneration control is connected with said bottom opening with the import of valve, and said regeneration control is connected with the import of said vacuum pump with the outlet of valve, and said vacuum pump outlet is connected with sourdine.
4. the special-purpose oxygen generating plant of ozone machine according to claim 1, it is characterized in that: said oxygen compressor adopts inverter compressor.
5. the special-purpose oxygen generating plant of ozone machine according to claim 1, it is characterized in that: said air water separator is provided with the valve that can control or manually control draining automatically.
CN2012201130333U 2012-03-23 2012-03-23 Special oxygen generating device for ozone generator Expired - Fee Related CN202519026U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102580457A (en) * 2012-03-23 2012-07-18 苏州苏净保护气氛有限公司 Oxygen generating device special for ozone device
CN106276823A (en) * 2016-10-14 2017-01-04 北京石油化工工程有限公司 Low dew point swing adsorption nitrogen producing apparatus and technological process
CN107108207A (en) * 2014-10-30 2017-08-29 弗劳恩霍夫应用研究促进协会 For generation and the method and apparatus of calorifics charge oxygen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102580457A (en) * 2012-03-23 2012-07-18 苏州苏净保护气氛有限公司 Oxygen generating device special for ozone device
CN102580457B (en) * 2012-03-23 2014-07-16 苏州苏净保护气氛有限公司 Oxygen generating device special for ozone device
CN107108207A (en) * 2014-10-30 2017-08-29 弗劳恩霍夫应用研究促进协会 For generation and the method and apparatus of calorifics charge oxygen
CN107108207B (en) * 2014-10-30 2019-08-27 弗劳恩霍夫应用研究促进协会 For generating and the method and apparatus of calorifics charge oxygen
CN106276823A (en) * 2016-10-14 2017-01-04 北京石油化工工程有限公司 Low dew point swing adsorption nitrogen producing apparatus and technological process
CN106276823B (en) * 2016-10-14 2018-10-23 北京石油化工工程有限公司 Low dew point swing adsorption nitrogen producing apparatus and technological process

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Granted publication date: 20121107

Termination date: 20160323