CN105363326A - Acid mist purification device applied in chrome plating process - Google Patents
Acid mist purification device applied in chrome plating process Download PDFInfo
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- CN105363326A CN105363326A CN201410422095.6A CN201410422095A CN105363326A CN 105363326 A CN105363326 A CN 105363326A CN 201410422095 A CN201410422095 A CN 201410422095A CN 105363326 A CN105363326 A CN 105363326A
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Abstract
The invention discloses an acid mist purification device applied in the chrome plating process. The acid mist purification device comprises a purification box, and two partition plates are arranged in the purification box and divide the internal space of the purification box into a first chamber, a second chamber and a third chamber from left to right; the top of the first chamber is provided with a rotating atomization spray head, a breather pipe is arranged in the second chamber, the other end opening of the second chamber stretches into the position 7-18 cm under the solution level of an alkaline solution filled in the bottom of the second chamber, and the top of the third chamber is provided with a rotating atomization spray head. According to the acid mist purification device, acid gas in mixed gas can be sequentially purified by the chambers from left to right, a multiple purification action is achieved, and more thorough and complete purification can be achieved.
Description
Technical field
The invention belongs to chromium plating technical field, particularly relate to the acid mist purifying device in a kind of chrome-plating process.
Background technology
Chromium is the sapphire silvery white metal of a kind of band, and have very strong inactivating performance, very fast passivation, demonstrates the character with noble metal in an atmosphere, and reflecting power is strong, wearability good, and therefore, chrome-plated process has been widely used in industrial production.
Traditional chrome-plated process, its electroplate liquid is based on chromic acid, and using sulfuric acid as activator, both ratios are 100:1, and its technological advantage is: bath stability, is easy to operation; But owing to using insoluble anode in chrome-plating process, cathode efficiency is very low again, causes a large amount of hydrogen and oxygen evolution, when gas effusion liquid level, with a large amount of chromic acid, form acid mist and enter in air, cause atmosphere pollution.
Summary of the invention
In order to solve problems of the prior art, the object of this invention is to provide the acid mist purifying device in a kind of chrome-plating process, structure is simple, easy to maintenance, and filtration, purification is effective.
In order to realize foregoing invention object, the present invention adopts technical scheme as described below:
Acid mist purifying device in a kind of chrome-plating process, comprise purifying box, two pieces of dividing plates are provided with in purifying box, purifying box inner space is separated into the first chamber, the second chamber and the 3rd chamber by two pieces of dividing plates from left to right, the top of the first chamber is provided with atomization rotary nozzle, and the lower end of the first chamber sidewall is provided with air inlet; Breather pipe is provided with in second chamber, breather pipe Single port is by passage that the dividing plate between the first chamber and the second chamber is offered and the first chamber, another port extend into second cavity bottom fill alkaline solution liquid level below 7-18cm place, the top of the second chamber is provided with charge door; Dividing plate between second chamber with the 3rd chamber offers the through hole for being communicated with the second chamber and the 3rd chamber, the top of the 3rd chamber is provided with rotary-atomizing shower nozzle, and the lower end of the 3rd chamber sidewall is provided with gas outlet; The bottom of described first chamber, the second chamber and the 3rd chamber all offers leakage fluid dram, leakage fluid dram is communicated with the rotary-atomizing shower nozzle of the first chamber with the 3rd chamber by connecting pipe, described connecting pipe comprises main pipeline and branch pipe(tube), leakage fluid dram is connected with main pipeline respectively by the branch pipe(tube) with control valve on it with rotary-atomizing shower nozzle, main pipeline is provided with the discharging tube of a band valve, and described main pipeline is also provided with a circulating pump.
Further, the sidewall of the first chamber both sides is installed with baffle plate respectively, and the baffle plate layout interlaced with each other from top to down on two side.
Further, the sidewall of the 3rd chamber both sides is installed with baffle plate respectively, and the baffle plate layout interlaced with each other from top to down on two side.
Further, the lateral wall of described first chamber is provided with liquid level gauge, and liquid level gauge is positioned at the below of air inlet.
Further, the lateral wall of described 3rd chamber is provided with liquid level gauge, and liquid level gauge is positioned at the below of gas outlet.
Further, described purifying box is square or cylindrical shape.
Owing to adopting technique scheme, the present invention has following superiority:
1, three chambers in purifying box can realize purification to the sour gas in mist from left to right successively, serve the effect of multiple tracks purification, can purify completely more thoroughly;
2, the alkaline solution after purification in three chambers can be used again by connecting pipe and circulating pump, again for the drip washing of mist in first and third chamber, avoid the wasting of resources;
3, the baffle plate of interlaced arrangement is set in first and third chamber sidewall, makes the circulation path of mist in approximate S shape, extend the clarification time, improve clean-up effect; In addition, in the first chamber, mist moves from the bottom up and fully to contact with the alkaline solution adverse current of lower spray, further increases clean-up effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure: 1-purifying box; 2-dividing plate; 3-baffle plate; 4-air inlet; 5-liquid level gauge; 6-discharging tube; 7-main pipeline; 8-gas outlet; 9-circulating pump; 10-rotary-atomizing shower nozzle; 11-charge door; 12-branch pipe(tube).
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described in detail.
As shown in Figure 1, acid mist purifying device in a kind of chrome-plating process, comprise and being square or the purifying box 1 of cylindrical shape, two pieces of dividing plates 2 are provided with in purifying box 1, purifying box inner space is separated into the first chamber, the second chamber and the 3rd chamber by two pieces of dividing plates 2 from left to right, the top of the first chamber is provided with the lower end being atomized rotary nozzle 10, first chamber sidewall and is provided with air inlet 4; Breather pipe is provided with in second chamber, breather pipe Single port is by passage that the dividing plate between the first chamber and the second chamber is offered and the first chamber, another port extend into second cavity bottom fill alkaline solution liquid level below 7-18cm place, the top of the second chamber is provided with charge door 11, for adding alkaline solution in the second chamber; Dividing plate between second chamber with the 3rd chamber offers the through hole for being communicated with the second chamber and the 3rd chamber, the lower end that the top of the 3rd chamber is provided with rotary-atomizing shower nozzle the 10, three chamber sidewall is provided with gas outlet 8; The bottom of described first chamber, the second chamber and the 3rd chamber all offers leakage fluid dram, leakage fluid dram is communicated with the rotary-atomizing shower nozzle 10 of the first chamber with the 3rd chamber by connecting pipe, described connecting pipe comprises main pipeline 7 and branch pipe(tube) 12, leakage fluid dram is connected with main pipeline respectively by the branch pipe(tube) with control valve on it with rotary-atomizing shower nozzle, main pipeline is provided with the discharging tube 6 of a band valve, described main pipeline is also provided with a circulating pump 9.
The sidewall of described first chamber, the 3rd chamber both sides can be installed with baffle plate 3, and the baffle plate layout interlaced with each other from top to down on two side, so just make the circulation path of mist in approximate serpentine, extend the clarification time, improve clean-up effect.
The lateral wall of described first chamber and the 3rd chamber is equipped with liquid level gauge 5, and liquid level gauge lays respectively at the below of air inlet and gas outlet.
When the present invention works, first acid mist by air inlet enter into the first chamber carry out first time purification, rise in serpentine under the effect of baffle plate, by rotary-atomizing shower nozzle spray downwards alkali lye be used in and acid mist, then the mixed flue gas after first time purification enters into through breather pipe in the alkaline solution in the second chamber and carries out second time purification, mitigation gas after second time purification enters in the 3rd chamber, carry out third time purification under the effect of atomizer after rotation, finally discharged by exhaust outlet.The present invention, can be thorough by acid mist purifying through three purifications, substantially increases clean-up effect.
Claims (4)
1. the acid mist purifying device in a chrome-plating process, comprise purifying box, it is characterized in that: in purifying box, be provided with two pieces of dividing plates, purifying box inner space is separated into the first chamber, the second chamber and the 3rd chamber by two pieces of dividing plates from left to right, the top of the first chamber is provided with atomization rotary nozzle, and the lower end of the first chamber sidewall is provided with air inlet; Breather pipe is provided with in second chamber, breather pipe Single port is by passage that the dividing plate between the first chamber and the second chamber is offered and the first chamber, another port extend into second cavity bottom fill alkaline solution liquid level below 7-18cm place, the top of the second chamber is provided with charge door; Dividing plate between second chamber with the 3rd chamber offers the through hole for being communicated with the second chamber and the 3rd chamber, the top of the 3rd chamber is provided with rotary-atomizing shower nozzle, and the lower end of the 3rd chamber sidewall is provided with gas outlet; The bottom of described first chamber, the second chamber and the 3rd chamber all offers leakage fluid dram, leakage fluid dram is communicated with the rotary-atomizing shower nozzle of the first chamber with the 3rd chamber by connecting pipe, described connecting pipe comprises main pipeline and branch pipe(tube), leakage fluid dram is connected with main pipeline respectively by the branch pipe(tube) with control valve on it with rotary-atomizing shower nozzle, main pipeline is provided with the discharging tube of a band valve, and described main pipeline is also provided with a circulating pump.
2. the acid mist purifying device in chrome-plating process according to claim 1, is characterized in that: the sidewall of the first chamber both sides is installed with baffle plate respectively, and the baffle plate layout interlaced with each other from top to down on two side.
3. the acid mist purifying device in chrome-plating process according to claim 1, is characterized in that: the sidewall of the 3rd chamber both sides is installed with baffle plate respectively, and the baffle plate layout interlaced with each other from top to down on two side.
4. the acid mist purifying device in chrome-plating process according to claim 1, is characterized in that: the lateral wall of described first chamber is provided with liquid level gauge, and liquid level gauge is positioned at the below of air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410422095.6A CN105363326A (en) | 2014-08-26 | 2014-08-26 | Acid mist purification device applied in chrome plating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410422095.6A CN105363326A (en) | 2014-08-26 | 2014-08-26 | Acid mist purification device applied in chrome plating process |
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| CN105363326A true CN105363326A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410422095.6A Pending CN105363326A (en) | 2014-08-26 | 2014-08-26 | Acid mist purification device applied in chrome plating process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106890561A (en) * | 2017-04-28 | 2017-06-27 | 张久明 | A kind of nitrogen oxides trap setting and method |
| CN107511046A (en) * | 2017-08-18 | 2017-12-26 | 宜兴大平杆塔制造有限公司 | A kind of processing unit of metallic article caused acid mist in surface treatment process |
| CN109550272A (en) * | 2018-12-04 | 2019-04-02 | 浙江大学 | A kind of efficient liquefaction device of vapor and its method |
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| US7144555B1 (en) * | 2001-06-20 | 2006-12-05 | Well To Wire Emissions Control Inc. | Method and apparatus for hydrogen sulphide removal |
| CN1810348A (en) * | 2005-01-26 | 2006-08-02 | 中芯国际集成电路制造(上海)有限公司 | Wet waste gas pre-treating device |
| CN102861496A (en) * | 2012-09-27 | 2013-01-09 | 安徽省电力科学研究院 | Purification treatment device of flue gas produced by combusting electric wires |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106890561A (en) * | 2017-04-28 | 2017-06-27 | 张久明 | A kind of nitrogen oxides trap setting and method |
| CN107511046A (en) * | 2017-08-18 | 2017-12-26 | 宜兴大平杆塔制造有限公司 | A kind of processing unit of metallic article caused acid mist in surface treatment process |
| CN109550272A (en) * | 2018-12-04 | 2019-04-02 | 浙江大学 | A kind of efficient liquefaction device of vapor and its method |
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Application publication date: 20160302 |