CN105600978A - Cleaning device suitable for acidic industrial wastewater - Google Patents
Cleaning device suitable for acidic industrial wastewater Download PDFInfo
- Publication number
- CN105600978A CN105600978A CN201510795878.3A CN201510795878A CN105600978A CN 105600978 A CN105600978 A CN 105600978A CN 201510795878 A CN201510795878 A CN 201510795878A CN 105600978 A CN105600978 A CN 105600978A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- waste liquid
- sodium bicarbonate
- industrial effluent
- holding vessel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002378 acidificating effect Effects 0.000 title claims abstract description 54
- 238000004140 cleaning Methods 0.000 title claims abstract description 31
- 239000010842 industrial wastewater Substances 0.000 title abstract description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims abstract description 72
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 239000002699 waste material Substances 0.000 claims abstract description 39
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims abstract description 32
- 235000017557 sodium bicarbonate Nutrition 0.000 claims abstract description 32
- 239000000243 solution Substances 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- 239000003295 industrial effluent Substances 0.000 claims description 53
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 15
- 238000013019 agitation Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007921 spray Substances 0.000 abstract description 6
- 230000007935 neutral effect Effects 0.000 abstract description 4
- 238000003760 magnetic stirring Methods 0.000 abstract 2
- 238000005507 spraying Methods 0.000 abstract 1
- 239000002253 acid Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a cleaning device suitable for acidic industrial wastewater; the cleaning device comprises a magnetic stirring base which can produce a magnetic field, a waste liquid storage tank which is located above the base, a sodium bicarbonate solution injection device which comprises a sodium bicarbonate solution storage tank and an inverted-L shaped pipeline, a filter, a pH detector, and a second controller, wherein the bottom of the interior of the waste liquid storage tank is provided with a stirring magneton, and a horizontal part of the inverted-L shaped pipeline communicates with an annular pipeline. Firstly, a sodium bicarbonate solution is added to the acidic industrial wastewater, to obtain a neutral waste liquid after treatment; then the magnetic stirring base is arranged, the stirring magneton is placed in the waste liquid storage tank, and the liquid in the waste liquid storage tank is stirred, so distribution of the sodium bicarbonate solution in the acidic industrial wastewater is more uniform, and a rapid reaction of the sodium bicarbonate solution and the acidic industrial wastewater is promoted; moreover, the annular pipeline is arranged and is provided with first spray nozzles and second spray nozzles at intervals, so that spraying of sodium bicarbonate is more uniform, the sodium bicarbonate and the acidic industrial wastewater can be mixed more uniformly, and the reaction effect is better.
Description
Technical field
The invention belongs to acidic industrial effluent process field, be specifically related to one and be applicable to acidic industrial effluentCleaning device.
Background technology
Manufacturing, such as chemical industry, semicon industry, production process unavoidably can produce in a large numberAcidic industrial effluent, and in acidic industrial effluent, not only contain a large amount of acidic materials, such as hydrochloric acid,Sulfuric acid, also comprises a large amount of impurity, if directly enter sewage conduct, enters rivers,lakes and seas, and this is by rightEnvironment produces substantial pollution, also can cause irreversible injury near crops and people and animals' drinking water,Also the sewage having can discharge through processing again, and the present cleaning device that is applicable to acidic industrial effluent is generalAll over exist complex structure, cost high, keep in repair the problems such as complicated capital height, be unfavorable for marketing, makeMiddle-size and small-size factory does not have fund and manpower effectively to process acidic industrial effluent, has further increased the weight of dirtDye.
Summary of the invention
An object of the present invention is to provide a kind of cleaning device that is applicable to acidic industrial effluent, headIn first oxytropism industrial wastewater, add sodium bicarbonate solution, to obtain the neutral waste liquid that is after treatment, andBy magnetic agitation base is set, and place and stir magneton at waste liquid holding vessel, in waste liquid holding vesselLiquid stirs, and makes sodium bicarbonate solution distribute more evenly at acidic industrial effluent, promotes twoPerson's fast reaction, and provide at least below by the advantage of explanation.
A further object of the invention is by circulating line is set, and interval arranges on circulating lineOne nozzle and second nozzle, sodium acid carbonate sprays more even, and it mixes more even with acidic industrial effluent,Reaction effect is better.
Technical scheme provided by the invention is:
A cleaning device that is applicable to acidic industrial effluent, comprising:
Magnetic agitation base, it can produce magnetic field, in described magnetic agitation base, is provided with magnet;
Waste liquid holding vessel, it is positioned at described magnetic agitation base top, in described waste liquid holding vessel, accommodatesAcidic industrial effluent, described waste liquid holding vessel inner bottom part is provided with stirring magneton;
Sodium bicarbonate solution injection device, it comprises the sodium bicarbonate solution storage that accommodates sodium bicarbonate solutionDeposit tank and inverted L shape pipeline, its horizontal component is communicated with a circulating line, described in described circulating line is positioned atWaste liquid holding vessel is interior and be positioned at described acidic industrial effluent top, and set up separately the vertical portion of described inverted L shape pipelineHave the first compression pump and its lower end to be immersed in described sodium bicarbonate solution, wherein, on described circulating line thatWhat this was staggered is provided with 3 the first nozzles and 3 second nozzles, and described the first compression pump is set to drawSodium bicarbonate solution in described sodium bicarbonate solution holding vessel, is sprayed into described waste liquid holding vessel;
The first controller, it controls described the first nozzle and described second nozzle alternation;
Filter, it comprises that bottom is provided with water inlet, top and is provided with the filtering tank of delivery port, described in enterThe mouth of a river and described water outlet are equipped with the filter membrane that aperture is 0.15 μ m, and described filtering tank passes through pipelineBe connected with described waste liquid holding vessel, described pipeline is provided with the second compression pump, described in it is set to drawAcidic industrial effluent in waste liquid holding vessel, injects described filtering tank through described water inlet;
PH detector, its test section is immersed in the acidic industrial effluent in described waste liquid holding vessel;
Second controller, it opens according to the first compression pump described in pH Numerical Control of pH detector detectionStop.
Preferably, in the described cleaning device that is applicable to acidic industrial effluent, described sodium acid carbonate is moltenThe pH of liquid is 8～9.
Preferably, in the described cleaning device that is applicable to acidic industrial effluent, described second controllerBe set to, if the pH numerical value that pH detector detects is lower than 7.0～7.1, open described the first pressurePump, if reach 7.0～7.1, cuts out described the first compression pump.
Preferably, in the described cleaning device that is applicable to acidic industrial effluent, described the first nozzle withDescribed second nozzle alternation, is specifically set to: described the first nozzle operation 30min and described secondNozzle operation 30min hockets.
Preferably, in the described cleaning device that is applicable to acidic industrial effluent, described the first nozzleAperture is greater than the aperture of described second nozzle.
Preferably, in the described cleaning device that is applicable to acidic industrial effluent, the hole of described filter membraneFootpath is 0.8 μ m.
Preferably, in the described cleaning device that is applicable to acidic industrial effluent, described the first nozzle withDescribed second nozzle is ultrasonic atomizing nozzle.
Preferably, in the described cleaning device that is applicable to acidic industrial effluent, described waste liquid holding vessel,Sodium bicarbonate solution holding vessel and filtering tank all adopt glass-reinforced plastic material to make.
The present invention at least comprises following beneficial effect: first in oxytropism industrial wastewater, add sodium acid carbonate moltenLiquid, to obtain the neutral waste liquid that is after treatment, and by magnetic agitation base is set, and store up at waste liquidDeposit tank and place stirring magneton, the liquid in waste liquid holding vessel is stirred, sodium bicarbonate solution is existedAcidic industrial effluent distributes more evenly, promotes the two fast reaction; And circulating line is set, andOn circulating line, interval arranges the first nozzle and second nozzle, sodium acid carbonate spray more even, its withAcidic industrial effluent mixes more even, and reaction effect is better.
Brief description of the drawings
Fig. 1 is the structural representation of the cleaning device that is applicable to acidic industrial effluent of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, to make those skilled in the art's referenceDescription word can be implemented according to this.
As shown in Figure 1,
A cleaning device that is applicable to acidic industrial effluent, comprising:
Magnetic agitation base 1, it can produce magnetic field, in described magnetic agitation base 1, is provided with magnet 110,Further strengthen the magnetic fields of described magnetic agitation base 1;
Waste liquid holding vessel 2, it is positioned at described magnetic agitation base 1 top, in described waste liquid holding vessel, holdsReceived acidic industrial effluent, described waste liquid holding vessel 2 inner bottom parts are provided with and stir magneton 210, pass through magnetic forceStir base 1 and stir the interaction between magneton 210, the liquid in waste liquid holding vessel 2 is carried outStir, make sodium bicarbonate solution distribute more evenly at acidic industrial effluent, promote the two anti-fastShould;
Sodium bicarbonate solution injection device, it comprises the sodium bicarbonate solution storage that accommodates sodium bicarbonate solutionDeposit tank 310 and inverted L shape pipeline 320, its horizontal component is communicated with a circulating line 330, described ring pipeRoad 330 is positioned at described waste liquid holding vessel 310 and is positioned at described acidic industrial effluent top, described LThe vertical portion of type pipeline 320 is provided with the first compression pump 321 and its lower end, and to be immersed in described sodium acid carbonate moltenLiquid, wherein, interlaced with each other 331 and 3,3 the first nozzles that are provided with on described circulating line 330Second nozzle 332, described the first compression pump 321 is set to draw described sodium bicarbonate solution holding vessel 310In sodium bicarbonate solution, be sprayed into described waste liquid holding vessel 2; First described the first compression pump 321 is logicalCross described inverted L shape pipeline 320 by defeated the sodium bicarbonate solution in described sodium bicarbonate solution holding vessel 310Deliver in waste liquid storage barrel 2, the acid ingredient in sodium acid carbonate and acidic industrial effluent reacted,In removing these toxic components, play neutralization, reduce the acid corrosion impact to device;Be communicated with circulating line 330 at inverted L shape pipeline 320, and interval arranges the first spray on circulating line 330Mouth 331 and second nozzle 332, sodium acid carbonate sprays more even, and area coverage is wider, sodium acid carbonateSolution mixes more even with acidic industrial effluent, reaction effect is better.
The first controller, it controls described the first nozzle 331 and described second nozzle 332 alternations,Avoid using a kind of nozzle for a long time, and cause the infringement of nozzle, affect the use of equipment;
Filter, it comprises that bottom is provided with water inlet 411, top and is provided with the filtering tank of delivery port 412410, described water inlet 411 is equipped with described delivery port 412 places the filter membrane that aperture is 0.15 μ m,Described filtering tank 410 is connected with described waste liquid holding vessel 2 by pipeline, and described pipeline is provided with secondCompression pump 420, it is set to draw the acidic industrial effluent in described waste liquid holding vessel 2, through described in enterDescribed filtering tank 410 is injected at the mouth of a river; First waste liquid passes through the filtration of the filter membrane at water inlet 411 places,Pass through again the filtration of the filter membrane at delivery port 412 places, twice filtration, filter effect is better.
PH detector 5, its test section is immersed in the acidic industrial effluent in described waste liquid holding vessel 2;
Second controller, the first compression pump 321 described in the pH Numerical Control that it detects according to pH detector 5Start and stop.
In the described cleaning device that is applicable to acidic industrial effluent, the pH of described sodium bicarbonate solution is8～9, now both can carry out neutralisation treatment to acidic industrial effluent, can not cross by force equipment is produced because of alkalescence againDamage.
In the described cleaning device that is applicable to acidic industrial effluent, described second controller is set to, asThe pH numerical value that fruit pH detector 5 detects, lower than 7.0～7.1, is opened described the first compression pump 321, asFruit reaches 7.0～7.1, closes described the first compression pump 321, and reaction, to neutral, reacts more complete,Most acid ingredients can be removed, and the infringement to equipment can be significantly reduced.
In the described cleaning device that is applicable to acidic industrial effluent, described the first nozzle 331 and described theTwo nozzle 332 alternations, are specifically set to: described the first nozzle 331 work 30min and describedTwo nozzles 332 30min that works hockets, and avoids using a kind of nozzle for a long time, and causes the damage of nozzleEvil, affects the use of equipment.
In the described cleaning device that is applicable to acidic industrial effluent, the aperture of described the first nozzle 331 is largeIn the aperture of described second nozzle 332, the first nozzle 331 apertures are large, and pH is carried out to coarse adjustment, secondNozzle 332 apertures are little, and pH is carried out to accurate adjustment.
In the described cleaning device that is applicable to acidic industrial effluent, the aperture of described filter membrane is 0.8 μM, through the filter membrane of this kind of size, can remove the impurity particle in acidic industrial effluent substantially.
In the described cleaning device that is applicable to acidic industrial effluent, described the first nozzle 331 and described theTwo nozzles 332 are ultrasonic atomizing nozzle, and ultrasonic atomizing nozzle atomizing effect is fine, the water that it ejectsParticle diameter less, specific area is larger.
In the described cleaning device that is applicable to acidic industrial effluent, described waste liquid holding vessel 2, bicarbonateSodium solution holding vessel 310 and filtering tank 410 all adopt glass-reinforced plastic material to make, and structural strength is high, makesLong with the time.
Although embodiment of the present invention are open as above, it is not restricted to description and enforcement sideListed utilization in formula, it can be applied to various applicable the field of the invention completely, for being familiar with abilityThe personnel in territory, can easily realize other amendment, therefore do not deviate from claim and etc. homotypeEnclose under limited universal, the present invention is not limited to specific details and illustrates here and the figure describingExample.
Claims (8)
1. a cleaning device that is applicable to acidic industrial effluent, is characterized in that, comprising:
Magnetic agitation base, it can produce magnetic field, in described magnetic agitation base, is provided with magnet;
Waste liquid holding vessel, it is positioned at described magnetic agitation base top, in described waste liquid holding vessel, accommodatesAcidic industrial effluent, described waste liquid holding vessel inner bottom part is provided with stirring magneton;
Sodium bicarbonate solution injection device, it comprises the sodium bicarbonate solution storage that accommodates sodium bicarbonate solutionDeposit tank and inverted L shape pipeline, its horizontal component is communicated with a circulating line, described in described circulating line is positioned atWaste liquid holding vessel is interior and be positioned at described acidic industrial effluent top, and set up separately the vertical portion of described inverted L shape pipelineHave the first compression pump and its lower end to be immersed in described sodium bicarbonate solution, wherein, on described circulating line thatWhat this was staggered is provided with 3 the first nozzles and 3 second nozzles, and described the first compression pump is set to drawSodium bicarbonate solution in described sodium bicarbonate solution holding vessel, is sprayed into described waste liquid holding vessel;
The first controller, it controls described the first nozzle and described second nozzle alternation;
Filter, it comprises that bottom is provided with water inlet, top and is provided with the filtering tank of delivery port, described in enterThe mouth of a river and described water outlet are equipped with the filter membrane that aperture is 0.15 μ m, and described filtering tank passes through pipelineBe connected with described waste liquid holding vessel, described pipeline is provided with the second compression pump, described in it is set to drawAcidic industrial effluent in waste liquid holding vessel, injects described filtering tank through described water inlet;
PH detector, its test section is immersed in the acidic industrial effluent in described waste liquid holding vessel;
Second controller, it opens according to the first compression pump described in pH Numerical Control of pH detector detectionStop.
2. the cleaning device that is applicable to acidic industrial effluent as claimed in claim 1, is characterized in that,The pH of described sodium bicarbonate solution is 8～9.
3. the cleaning device that is applicable to acidic industrial effluent as claimed in claim 2, is characterized in that,Described second controller is set to, if the pH numerical value that pH detector detects is lower than 7.0～7.1, opensOpen described the first compression pump, if reach 7.0～7.1, close described the first compression pump.
4. the cleaning device that is applicable to acidic industrial effluent as claimed in claim 3, is characterized in that,Described the first nozzle and described second nozzle alternation, be specifically set to: described the first nozzle operation30min and described second nozzle work 30min hocket.
5. the cleaning device that is applicable to acidic industrial effluent as claimed in claim 4, is characterized in that,The aperture of described the first nozzle is greater than the aperture of described second nozzle.
6. the cleaning device that is applicable to acidic industrial effluent as claimed in claim 5, is characterized in that,The aperture of described filter membrane is 0.8 μ m.
7. the cleaning device that is applicable to acidic industrial effluent as claimed in claim 6, is characterized in that,Described the first nozzle and described second nozzle are ultrasonic atomizing nozzle.
8. the cleaning device that is applicable to acidic industrial effluent as claimed in claim 7, is characterized in that,Described waste liquid holding vessel, sodium bicarbonate solution holding vessel and filtering tank all adopt glass-reinforced plastic material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510795878.3A CN105600978B (en) | 2015-11-18 | 2015-11-18 | A kind of cleaning device suitable for acidic industrial effluent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510795878.3A CN105600978B (en) | 2015-11-18 | 2015-11-18 | A kind of cleaning device suitable for acidic industrial effluent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105600978A true CN105600978A (en) | 2016-05-25 |
| CN105600978B CN105600978B (en) | 2018-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510795878.3A Active CN105600978B (en) | 2015-11-18 | 2015-11-18 | A kind of cleaning device suitable for acidic industrial effluent |
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| Country | Link |
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| CN (1) | CN105600978B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108689521A (en) * | 2018-05-23 | 2018-10-23 | 芜湖慧宇商贸有限公司 | A kind of cleaning device suitable for acidic industrial effluent |
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|---|---|---|---|---|
| CN1803660A (en) * | 2006-01-24 | 2006-07-19 | 常州市裕和金属材料有限公司 | High-efficiency environment-friendly acid-mixed plating removal liquor |
| CN201694855U (en) * | 2010-05-27 | 2011-01-05 | 山西阳煤丰喜肥业(集团)有限责任公司 | Heavy soda-wash water device |
| CN103833043A (en) * | 2014-02-28 | 2014-06-04 | 河海大学 | Sodium modifying method of calcium bentonite |
| CN203807222U (en) * | 2014-03-28 | 2014-09-03 | 赣州中联环保科技开发有限公司 | Automatic neutralizing processing equipment for zinc-containing electroplating wastewater |
| CN204198475U (en) * | 2014-09-18 | 2015-03-11 | 丹阳市新光电子有限公司 | A kind of Zinc-containing electroplating waste water quick treatment device |
-
2015
- 2015-11-18 CN CN201510795878.3A patent/CN105600978B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1803660A (en) * | 2006-01-24 | 2006-07-19 | 常州市裕和金属材料有限公司 | High-efficiency environment-friendly acid-mixed plating removal liquor |
| CN201694855U (en) * | 2010-05-27 | 2011-01-05 | 山西阳煤丰喜肥业(集团)有限责任公司 | Heavy soda-wash water device |
| CN103833043A (en) * | 2014-02-28 | 2014-06-04 | 河海大学 | Sodium modifying method of calcium bentonite |
| CN203807222U (en) * | 2014-03-28 | 2014-09-03 | 赣州中联环保科技开发有限公司 | Automatic neutralizing processing equipment for zinc-containing electroplating wastewater |
| CN204198475U (en) * | 2014-09-18 | 2015-03-11 | 丹阳市新光电子有限公司 | A kind of Zinc-containing electroplating waste water quick treatment device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108689521A (en) * | 2018-05-23 | 2018-10-23 | 芜湖慧宇商贸有限公司 | A kind of cleaning device suitable for acidic industrial effluent |
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| Publication number | Publication date |
|---|---|
| CN105600978B (en) | 2018-10-09 |
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Effective date of registration: 20191129 Address after: 215100 4th floor, building 5, No. 892, Wusong Road, Guoxiang street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: Harvey Optoelectronic Technology (Suzhou) Co., Ltd Address before: 530012 the Guangxi Zhuang Autonomous Region, Xingning District, Minsheng Road, No. 4, Nanning Patentee before: Su Haoqiang |
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