CN102805992A - Storage battery formation acid mist purifying system and acid mist purifying device thereof - Google Patents
Storage battery formation acid mist purifying system and acid mist purifying device thereof Download PDFInfo
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- CN102805992A CN102805992A CN2011101477974A CN201110147797A CN102805992A CN 102805992 A CN102805992 A CN 102805992A CN 2011101477974 A CN2011101477974 A CN 2011101477974A CN 201110147797 A CN201110147797 A CN 201110147797A CN 102805992 A CN102805992 A CN 102805992A
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Abstract
The invention discloses an acid mist purifying device which comprises a purifying device body, a first nozzle and a liquor supply device. An alkali liquor pool is arranged at the bottom of the purifying device body; an acid mist inlet and a first filter unit are arranged above the alkali liquor pool; the first filter unit comprises multiple layers of filter stacking plates which are stacked; each filter stacking plate comprises a first filter plate and a second filter plate which are mutually stacked and are provided with filter holes; each first filter plate is a curved plate which is of a wavy structure; each second filter plate is a surface plate; and a liquor inlet of the liquor supply device is communicated with the alkali liquor pool through a pipe, and a liquor outlet of the liquor supply device is communicated with the first nozzle through a pipe. The first nozzle sprays alkali liquor to the first filter unit through the liquor supply device. Because the flowing speed of acid mist at the first filter unit is slow, neutral reaction time for the acid mist and the alkali liquor can be prolonged correspondingly, and neutral reaction rate of the acid mist and the alkali liquor can be increased. The invention also discloses a storage battery formation acid mist purifying system with the acid mist purifying device.
Description
Technical field
The present invention relates to battery production equipment technical field, particularly a kind of battery changes into acid mist cleaning system and acid mist purifier thereof.
Background technology
In the manufacturing process of battery; Need through certain charge and discharge system the inner both positive and negative polarity substance activating of pole plate; Change state-of-charge into, removal of contamination improves the combination property such as charge-discharge performance and self discharge, storage of battery; This chemical reaction process is called the chemical synthesis technology process, and the chemical synthesis technology process is one of important procedure of battery production.
Accumulator plate changes into outward in the technical process, and positive and negative pole plate generates alkali formula brown lead oxide and spongy lead with dilute sulfuric acid through redox reaction under galvanic effect when charging, and chemical equation is following:
Negative pole: PbSO
4+ H
++ 2e → Pb+HSO
4 -
Anodal: PbSO
4+ 2H
2O → Pb O
2+ 3H
++ HSO
4 -+ 2e
Be not difficult to find out by above-mentioned reactional equation: along with constantly carrying out of charging process, when discharging with a large amount of heats.Hydrone in the electrolyte constantly is consumed, H SO
4 -With H
+Be combined into H
2SO
4, 2H
+Then combine to generate H
2, the acid solution surface evaporation, sulfuric acid molecule gets into air, generates the sulfuric acid droplet with airborne hydrogenesis.
This acid mist is must supervene in the battery production process, and the acid mist corrosion strength is strong, and toxicity is big, and the acid mist that loss goes out be if arbitrarily discharging will not be collected, and can cause that acid mist fills the air in the air of workplace, is detrimental to health; Corrosion plant and equipment and precision instrument make ageing equipment, cause the loss of production; Can cause atmosphere pollution again after entering atmosphere, crops and other vegeto-animal existence are brought harmful effect, also can cause building is damaged, bring endless trouble.
In the prior art; Acid mist collection system is generally adopted in collection to acid mist, and the acid mist that need not careless and sloppy discharging is imported induced duct, adopts powerful air inducing that acid mist is introduced in the clarifier then; React through the filtration of filter and with alkaline aqueous solution, to reach the purpose of purification.But the flow velocity of acid mist in the filter of present clarifier is very fast, makes and can't neutralization reaction completely take place with alkaline aqueous solution, causes the part acid mist to enter in the middle of the atmosphere.
Therefore, how reducing the flow velocity of acid mist in filter, improve the neutralization reaction rate that itself and alkaline solution take place, is the technical problem that those skilled in the art need to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of battery and change into acid mist cleaning system and acid mist purifier thereof,, improve itself and the neutralization reaction rate of alkaline solution generation to reduce the flow velocity of acid mist in filter.
For realizing above-mentioned purpose, the present invention provides following technical scheme:
A kind of acid mist purifier comprises that the top has the purifier body of exhaust outlet, and the bottom of this purifier body is the alkali lye pond; Top, said alkali lye pond is provided with the acid mist inlet; Be arranged in the said purifier body, and be positioned at first filter of said acid mist inlet top, said first filter comprises the multiple filtration superimposed plates of arranged stacked; This filtration superimposed plates comprises and being superimposed with each other; And all have first filter and second filter of filtering holes, said first filter is the curved slab of wavy structure, and said second filter is a surface plate;
Also comprise:
Be arranged on first nozzle of said first filter top;
Liquid feed device, its liquid-inlet communicates with said alkali lye pond through pipeline, and its liquid outlet communicates with said first nozzle through pipeline.
Preferably, in above-mentioned acid mist purifier, said first filter and said second filter are the PP plate.
Preferably, in above-mentioned acid mist purifier, the said filtration superimposed plates of arranged stacked is no less than 25 layers.
Preferably, in above-mentioned acid mist purifier, the thickness of said first filter and said second filter is 0.3～0.4mm;
The diameter of said filtering holes is 2.5～3mm;
Said filtering holes on said first filter is opened in the crest and the wave trough position place of this first filter, and said crest and said trough are that diameter is the cambered surface of 5～7mm.
Preferably, in above-mentioned acid mist purifier, also comprise:
Be arranged on second filter of said first nozzle top;
Be arranged on second nozzle of said second filter top, the liquid outlet of said liquid feed device communicates with said second nozzle through pipeline.
Preferably, in above-mentioned acid mist purifier, it is the packing layer of filler that said second filter has with the multiaspect hollow ball.
Preferably, in above-mentioned acid mist purifier, said multiaspect hollow ball is a PP multiaspect hollow ball, and its diameter is 40～60mm;
The height of said second filter is greater than 1m, and the height of said packing layer is 80% of the said second filter height.
A kind of battery changes into the acid mist cleaning system, comprises successively the acid mist purifier, acidproof air blast and the acid mist gathering-device that link to each other, and said acid mist purifier is as above each described acid mist purifier.
Preferably, change in the acid mist cleaning system at above-mentioned battery, said acid mist gathering-device specifically comprises:
The acid mist collection tank;
The acid mist that is arranged on said acid mist collection tank top is assembled cylindrical shell, and it has the collection hole that communicates with said acid mist collection tank;
Assemble the mozzle that cylindrical shell communicates with said acid mist, this mozzle is connected with said air blast.
Preferably, change in the acid mist cleaning system at above-mentioned battery, the sidewall of said acid mist collection tank is provided with slide plastics-steel door.
Can find out that from above-mentioned technical scheme acid mist purifier provided by the invention comprises the purifier body, the bottom of this purifier body is the alkali lye pond; Said alkali lye pond is provided with the acid mist inlet; Be arranged in the said purifier body, and be positioned at first filter of top, said alkali lye pond, said first filter comprises the multiple filtration superimposed plates of arranged stacked; This filtration superimposed plates comprises and being superimposed with each other; And all have first filter and second filter of filtering holes, said first filter is the curved slab of wavy structure, and said second filter is a surface plate; Also comprise: first nozzle that is arranged on said first filter top; Liquid feed device, its liquid-inlet communicates with said alkali lye pond through pipeline, and its liquid outlet communicates with said first nozzle through pipeline.
The present invention is provided with the acid mist inlet above the alkali lye pond, acid mist is got in the purifier body of acid mist purifier by this acid mist inlet.The top of acid mist inlet is provided with first filter, gets into the intrinsic acid mist of purifier, can be through first filter; First filter comprises the multiple filtration superimposed plates of arranged stacked, and this filtration superimposed plates comprises and being superimposed with each other, and all has first filter and second filter of filtering holes; First filter is the curved slab of wavy structure, and second filter is a surface plate, because the unique texture of first filter; Will greatly reduce the flow velocity of acid mist gas; First nozzle of first filter top sprays alkali lye through liquid feed device to first filter, because acid mist is slower at the flow velocity at the first filter place, through spraying alkali lye to first filter; Can prolong the neutralization reaction time of acid mist and alkali lye accordingly, so can improve the neutralization reaction rate of acid mist and alkaline solution generation.
In a preferred version of the present invention, also comprise: second filter that is arranged on first nozzle top; Be arranged on second nozzle of second filter top, the liquid outlet of liquid feed device communicates with second nozzle through pipeline.Acid mist is as and if alkali lye generation neutralization reaction complete at the first filter place; Can be further in the alkali lye generation neutralization reaction of the second filter place and the ejection of second nozzle; Generate sulfate; At the first filter place fully with the acid mist of alkali lye generation neutralization reaction, can be fully at the second filter place and alkali lye generation neutralization reaction, with assurance by the gas of exhaust outlet discharge acid gas-containing not; Avoided acid mist to enter the atmosphere pollution that causes behind the atmosphere, and the harmful effect that crops and other vegeto-animal existence are brought.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the acid mist purifier that Fig. 1 provides for this embodiment of the invention;
The structural representation of first filter that Fig. 2 provides for the embodiment of the invention;
The structural representation of second filter that Fig. 3 provides for the embodiment of the invention;
The structural representation of second filter that Fig. 4 provides for the embodiment of the invention;
Fig. 5 is the side view of Fig. 4;
The battery that Fig. 6 provides for the embodiment of the invention changes into the structural representation of acid mist cleaning system;
The structural representation of the acid mist gathering-device that Fig. 7 provides for the embodiment of the invention.
The specific embodiment
The invention discloses a kind of battery and change into acid mist cleaning system and acid mist purifier thereof,, improve itself and the neutralization reaction rate of alkaline solution generation to reduce the flow velocity of acid mist in filter.
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
See also Fig. 1-Fig. 3, the structural representation of the acid mist purifier that Fig. 1 provides for this embodiment of the invention; The structural representation of first filter that Fig. 2 provides for the embodiment of the invention; The structural representation of second filter that Fig. 3 provides for the embodiment of the invention.
Acid mist purifier provided by the invention comprises that the top has the purifier body of exhaust outlet 17, and the bottom of this purifier body is alkali lye pond 11, and alkali lye pond 11 is used to hold alkali lye, and the alkali lye here can be the solution of sheet alkali (NaOH) and water.11 tops, alkali lye pond are provided with acid mist inlet 12, and acid mist gets in the purifier bodies through acid mist inlet 12, and acid mist inlet 12 is placed the top in alkali lye pond 11, can avoid the alkali lye in the alkali lye pond 11 to be leaked outside by this acid mist inlet 12.First filter 13 is arranged in the purifier body; And be positioned at the top of acid mist inlet 12; First filter 13 is mainly used in and reduces the flow velocity that acid mist flows to exhaust outlet 17 directions, so that acid mist can be fully and alkali lye generation neutralization reaction, and generation sulfate.
Of the present invention focusing on; First filter 13 comprises the multiple filtration superimposed plates of arranged stacked; This filtration superimposed plates comprises and being superimposed with each other; And first filter 131 and second filter, 132, the first filters 131 that all have filtering holes are the curved slab of wavy structure, and second filter 132 is a surface plate.Form after first filter 131 and second filter 132 are fitted and filter superimposed plates; And first filter 13 provided by the invention has the multiple filtration superimposed plates of arranged stacked; All has filtering holes on first filter 131 and second filter 132; As shown in Figure 2, the filtering holes 1321 on filtering holes 1311, the second filters 132 on first filter 131.
After with first filter 131 and 132 applyings of second filter; Second filter 132 contacts with crest with the trough of first filter 131 of wavy structure; Form some cavitys between first filter 131 that second filter 132 and its are provided with up and down; Acid mist is got in the cavity of first filter, 131 downsides by the filtering holes on second filter 132 1321; And the filtering holes on first filter 131 1311 gets in the cavity of first filter, 131 upsides, through with tortuous the flowing along filtering holes, cavity, filtering holes etc. of acid mist, thereby can greatly reduce the flow velocity of acid mist gas.
The present invention also comprises: first nozzle 14 that is arranged on first filter, 13 tops; Liquid feed device 18, its liquid-inlet communicates with alkali lye pond 11 through pipeline, and its liquid outlet communicates with first nozzle 14 through pipeline.Can the alkali lye in the alkali lye pond 11 be drained into first nozzle, 14 positions through liquid feed device 18, and alkali lye be sprayed onto on first filter 13 uniformly by this first nozzle 14.First nozzle 14 can be a plurality of, and is evenly distributed in the top of first filter 13, and liquid feed device 18 can be preferably water pump.
The present invention is provided with acid mist inlet 12 above the alkali lye pond, acid mist is got in the purifier body of acid mist purifier by this acid mist inlet 12.The top of acid mist inlet 12 is provided with first filter 13, gets into the intrinsic acid mist of purifier, can be through first filter 13; First filter 13 comprises the multiple filtration superimposed plates of arranged stacked; This filtration superimposed plates comprises and being superimposed with each other, and first filter 131 and second filter, 132, the first filters 131 that all have a filtering holes are the curved slab of wavy structure; Second filter 132 is a surface plate; Owing to the unique texture of first filter 13, will greatly reduce the flow velocity of acid mist gas, first nozzle 14 of first filter, 13 tops sprays alkali lye through liquid feed device 18 to first filter 13; Because acid mist is slower at the flow velocity at first filter, 13 places; Through spraying alkali lye, can prolong the neutralization reaction time of acid mist and alkali lye accordingly, so can improve the neutralization reaction rate of acid mist and alkaline solution generation to first filter 13.
The filtration superimposed plates of arranged stacked is no less than 25 layers, and the quantity sum of first filter 131 and second filter 132 is no less than 50 layers.It will be understood by those skilled in the art that; The quantity of the filtration superimposed plates of being made up of first filter 131 and second filter 132 is many more, and its flowing velocity that reduces acid mist is obvious more, in the present embodiment; The quantity of filtering superimposed plates is more than 25 layers, to keep having enough speed limit functions.
The thickness of first filter 131 and second filter 132 is 0.3～0.4mm; The diameter of filtering holes (filtering holes 1311 and filtering holes 1321) is 2.5～3mm; Filtering holes 1311 on first filter 131 is opened in the crest and the wave trough position place of this first filter 131, and crest and trough are that diameter is the cambered surface of 5～7mm.It will be understood by those skilled in the art that; Second filter 132 is being fitted in 131 last times of first filter; Should make axially staggering of filtering holes 1311 and the filtering holes 1321 on second filter 132 on the filter 131 of winning as far as possible, prevent to form the beeline channel of acid mist.The present invention is opened in the filtering holes 1311 on first filter 131 at the crest and the wave trough position place of this first filter 131; Second filter 132 is being fitted in 131 last times of first filter; Second filter 132 is understood the part passage of applying filtering holes 1311, thereby has further reduced the flow velocity of acid mist.The present invention also can be opened in the filtering holes 1311 on first filter 131 on this first filter 131 near crest and wave trough position place.
The thickness of first filter 131 and second filter 132 is preferably 0.35mm, and the diameter of filtering holes (filtering holes 1311 and filtering holes 1321) is preferably 3mm, and the diameter of crest and trough is preferably 6mm.
See also Fig. 4 and Fig. 5, the structural representation of second filter that Fig. 4 provides for the embodiment of the invention; Fig. 5 is the side view of Fig. 4.
In order further to optimize technique scheme, the present invention also can comprise second filter 15 and second nozzle 16.Wherein, second filter 15 is arranged on the top of first nozzle 14, and second nozzle 16 is arranged on the top of second filter 15, and the liquid outlet of liquid feed device 18 communicates with second nozzle 16 through pipeline.
Acid mist is as and if alkali lye generation neutralization reaction complete at first filter, 13 places; Can be further in the alkali lye generation neutralization reaction of second filter, 15 places and 14 ejections of second nozzle; Generate sulfate; At first filter, 13 places fully with the acid mist of alkali lye generation neutralization reaction, can be fully at second filter, 15 places and alkali lye generation neutralization reaction, with assurance by the gas of exhaust outlet 17 discharges acid gas-containing not; Avoided acid mist to enter the atmosphere pollution that causes behind the atmosphere, and the harmful effect that crops and other vegeto-animal existence are brought.
It is the packing layer of filler that second filter 15 can have with the multiaspect hollow ball, and the multiaspect hollow ball is preferably PP multiaspect hollow ball, and its diameter is 40～60mm; The height of second filter 15 is greater than 1m, and the height of packing layer is 80% of second filter, 15 height.Second filter 15 is because its packing layer is to be made up of the multiaspect hollow ball, so its high cycle speed, blade is many, resistance is little, and specific area is big.This second filter 15 can fully solve the gas-liquid exchange, has characteristics such as operating flexibility is big.
See also Fig. 6 and Fig. 7, the battery that Fig. 6 provides for the embodiment of the invention changes into the structural representation of acid mist cleaning system; The structural representation of the acid mist gathering-device that Fig. 7 provides for the embodiment of the invention.
Battery provided by the invention changes into the acid mist cleaning system; Comprise the acid mist purifier 1, acidproof air blast 3 and the acid mist gathering-device 2 that link to each other successively; Acid mist gathering-device 2 is used to collect the acid mist that its inner electrolytic bath generates; To prevent acid mist dissipation in working environment, to have avoided acid mist that human body is damaged and equipment has been produced corrosion, acid mist gathering-device 2 can be processed by the pp material.Acidproof air blast 3 is forced the acid mist of collecting in the acid mist gathering-device 2 to enter to carry out neutralization reaction in the acid mist purifier 1, and acidproof air blast 3 is connected with the acid mist inlet 12 of acid mist purifier 1 through pipeline.Wherein, acid mist purifier 1 is the as above disclosed acid mist purifier of embodiment.Battery provided by the invention changes into the acid mist cleaning system; Owing to adopt the disclosed acid mist purifier 1 of the foregoing description; Therefore the institute that has acid mist purifier 1 equally produces effect; This paper no longer gives unnecessary details the technique effect that battery changes into the acid mist cleaning system, specifically can consult the disclosed acid mist purifier of the foregoing description.
Acid mist gathering-device 2 specifically comprises acid mist collection tank 21, acid mist gathering cylindrical shell 22 and mozzle 23.Wherein, The electrolytic bath that is used to place battery 4 is arranged in the acid mist collection tank 21; Acid mist is assembled the top that cylindrical shell 23 is arranged on acid mist collection tank 21; This acid mist is assembled cylindrical shell 22 and is had the collection hole 221 that communicates with acid mist collection tank 21, and acid mist collection tank 21 is collected the acid mist that its inner electrolytic bath generates, and assembles in the cylindrical shell 22 through collection hole 221 entering acid mists.Mozzle 23 is assembled cylindrical shell 23 with acid mist and is communicated; This mozzle 23 is connected with acidproof air blast 3; The acid mist that acid mist is assembled in the cylindrical shell 22 gets in the mozzle 23 under the effect of acidproof air blast 3, and is finally purified by acid mist inlet 12 entering acid mist purifiers 1.
The sidewall of acid mist collection tank 21 is provided with slide plastics-steel door 24, can in battery 4 charging processes, adjust battery-fluid level easily through this slide plastics-steel door 24, carries out the line that is internalized into charging operations and 4 on battery of inspection of battery.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. an acid mist purifier comprises that the top has the purifier body of exhaust outlet, and the bottom of this purifier body is alkali lye pond (11); Top, said alkali lye pond (11) is provided with acid mist inlet (12), is arranged in the said purifier body, and is positioned at first filter (13) of said acid mist inlet (12) top; It is characterized in that; Said first filter (13) comprises the multiple filtration superimposed plates of arranged stacked, and this filtration superimposed plates comprises and being superimposed with each other, and all has first filter (131) and second filter (132) of filtering holes; Said first filter (131) is the curved slab of wavy structure, and said second filter (132) is a surface plate;
Also comprise:
Be arranged on first nozzle (14) of said first filter (13) top;
Liquid feed device (18), its liquid-inlet communicates with said alkali lye pond (11) through pipeline, and its liquid outlet communicates with said first nozzle (14) through pipeline.
2. acid mist purifier as claimed in claim 1 is characterized in that, said first filter (131) and said second filter (132) are the PP plate.
3. acid mist purifier as claimed in claim 1 is characterized in that, the said filtration superimposed plates of arranged stacked is no less than 25 layers.
4. acid mist purifier as claimed in claim 1 is characterized in that, the thickness of said first filter (131) and said second filter (132) is 0.3～0.4mm;
The diameter of said filtering holes is 2.5～3mm;
Said filtering holes on said first filter (131) is opened in the crest and the wave trough position place of this first filter (131), and said crest and said trough are that diameter is the cambered surface of 5～7mm.
5. like each described acid mist purifier of claim 1-4, it is characterized in that, also comprise:
Be arranged on second filter (15) of said first nozzle (14) top;
Be arranged on second nozzle (16) of said second filter (15) top, the liquid outlet of said liquid feed device (18) communicates with said second nozzle (16) through pipeline.
6. acid mist purifier as claimed in claim 5 is characterized in that, it is the packing layer of filler that said second filter (15) has with the multiaspect hollow ball.
7. acid mist purifier as claimed in claim 6 is characterized in that, said multiaspect hollow ball is a PP multiaspect hollow ball, and its diameter is 40～60mm;
The height of said second filter (15) is greater than 1m, and the height of said packing layer is 80% of said second filter (a 15) height.
8. a battery changes into the acid mist cleaning system; Comprise the acid mist purifier (1), acidproof air blast (3) and the acid mist gathering-device (2) that link to each other successively; It is characterized in that said acid mist purifier (1) is like each described acid mist purifier of claim 1-7.
9. battery as claimed in claim 8 changes into the acid mist cleaning system, it is characterized in that, said acid mist gathering-device (2) specifically comprises:
Acid mist collection tank (21);
The acid mist that is arranged on said acid mist collection tank (21) top is assembled cylindrical shell (22), and it has the collection hole (221) that communicates with said acid mist collection tank (21);
Assemble the mozzle (23) that cylindrical shell (23) communicates with said acid mist, this mozzle (23) is connected with said acidproof air blast (3).
10. battery as claimed in claim 9 changes into the acid mist cleaning system, it is characterized in that, the sidewall of said acid mist collection tank (21) is provided with slide plastics-steel door (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101477974A CN102805992A (en) | 2011-06-02 | 2011-06-02 | Storage battery formation acid mist purifying system and acid mist purifying device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101477974A CN102805992A (en) | 2011-06-02 | 2011-06-02 | Storage battery formation acid mist purifying system and acid mist purifying device thereof |
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| CN102805992A true CN102805992A (en) | 2012-12-05 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104409782A (en) * | 2014-10-23 | 2015-03-11 | 山东瑞宇蓄电池有限公司 | Storage battery formation device and hydrogen and oxygen mixture guided-discharge device |
| CN107537304A (en) * | 2017-09-06 | 2018-01-05 | 河钢股份有限公司 | A kind of acid fog collection device of salt spray test |
| CN107715554A (en) * | 2017-10-12 | 2018-02-23 | 镇江市中运城市环境治理股份有限公司 | A kind of use in waste water treatment filter |
| CN107983134A (en) * | 2018-01-30 | 2018-05-04 | 重庆坤泉环境工程有限公司 | Gas purification tower and exhaust gas purification equipment |
| CN109546245A (en) * | 2018-11-01 | 2019-03-29 | 超威电源有限公司 | It is a kind of to seal the method and apparatus being internalized into |
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Inventor after: Liu Yi Inventor after: Zhao Hengxiang Inventor after: Pan Yuepeng Inventor after: Yu Guiling Inventor after: Liu Peng Inventor before: Liu Yi Inventor before: Zhao Hengxiang |
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Application publication date: 20121205 |