CN207928979U - The processing system of the nitric acid exhaust gas generated in oxidation process - Google Patents
The processing system of the nitric acid exhaust gas generated in oxidation process Download PDFInfo
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- CN207928979U CN207928979U CN201721659006.5U CN201721659006U CN207928979U CN 207928979 U CN207928979 U CN 207928979U CN 201721659006 U CN201721659006 U CN 201721659006U CN 207928979 U CN207928979 U CN 207928979U
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- China
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- exhaust gas
- tower
- nitric acid
- electrostatic precipitation
- processing system
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Abstract
A kind of processing system of the nitric acid exhaust gas generated in oxidation process, including scrubbing tower and electrostatic precipitation tower are equipped with filled layer in scrubbing tower, several first spray heads are equipped in the top of filled layer；It is equipped with exhaust gas inlet port in the lower section of filled layer；It is equipped with cleaning solution storage box in the lower section of exhaust gas inlet port, is externally provided with first circulation pump stating scrubbing tower, the import of first circulation pump is connected with cleaning solution storage box, and the outlet of first circulation pump is connect with the first spray head；It is arranged in pairs anode tube and cathode line equipped with several in electrostatic precipitation tower, anode tube is made of carbon fibre material, and cathode line is made of titanium alloy；High voltage is imposed between anode tube and cathode line forms electric field；By scrubbing tower, treated that exhaust gas is connect by pipeline with the exhaust gas inlet of electrostatic precipitation tower lower part, and by electrostatic precipitation tower to secondary exhaust gas processing.The utility model has the advantages that the tobacco effect for removing nitric acid generation is good.
Description
Technical field
Processing system the utility model is related to the nitric acid exhaust gas generated in a kind of plating or pcb board processing procedure.
Background technology
In the acid mist that plating or pcb board processing procedure will produce, this acid mist knows that it is main according to actual production analysis
Containing the acid mist that sulfuric acid, phosphoric acid, nitric acid, nitrous acid and water are mixed to form, also a certain amount of nitrogen oxides, in the case of
These sour gas are managed, ammonia, oxygen water, liquid caustic soda can be used（The mixed liquor of sodium hydrate aqueous solution ＞ or ammonium hydroxide and liquid caustic soda comes
It carries out.Existing processing equipment is usually to utilize various tower equipment, such as spray column, plate column, packed tower, using ammonia,
Oxygen water, liquid caustic soda etc. rinse sour gas repeatedly, and this method is unsatisfactory to the treatment effect of sour gas, especially for
Tobacco treatment effect caused by nitric acid is worse.Appointing has the acid mist of part yellow is intermittent to emerge, and this tobacco is with strong
Penetrating odor, it is very unpleasant；This gas can also pollute the air on factory periphery.
Invention content
In order to overcome the above problem, the utility model provides a kind of high treating effect to society, and sour gas is not after processing
Can emerge nitric acid tobacco oxidation process in the processing system of nitric acid exhaust gas that generates.
The technical solution of the utility model is：A kind of processing system of the nitric acid exhaust gas generated in oxidation process, packet are provided
Scrubbing tower and electrostatic precipitation tower are included, filled layer is equipped in the scrubbing tower, several the first sprays are equipped in the top of filled layer
Drench head；It is equipped with exhaust gas inlet port in the lower section of filled layer；It is equipped with cleaning solution storage box in the lower section of the exhaust gas inlet port, in institute
It states scrubbing tower and is externally provided with first circulation pump, the import of the first circulation pump is connected with the cleaning solution storage box, and described first
The outlet of circulating pump is connect with the first spray head；In the electrostatic precipitation tower anode tube and cathode are arranged in pairs equipped with several
Line, the anode tube are made of carbon fibre material, and the cathode line is made of titanium alloy；In the anode tube and the moon
High voltage is imposed between polar curve forms electric field；By the scrubbing tower, treated that exhaust gas passes through pipeline and electrostatic precipitation tower lower part
Exhaust gas inlet connection, and by electrostatic precipitation tower to secondary exhaust gas processing.
As the improvement to the utility model, the size of the high voltage between the anode tube and cathode line is adjusted, to reach
To the purpose being discharged entirely without tobacco.
Further include second circulation pump as the improvement to the utility model, the import of the second circulation pump is washed with described
It washs liquid storage box to be connected, the outlet of the second circulation pump is connect with the second spray head for being located at electrostatic precipitation tower inner top；
Lower part in the electrostatic precipitation tower is equipped with the second storage box.
As the improvement to the utility model, several are equipped with for keeping cathode line tension in the electrostatic precipitation tower
Weight.
The utility model in such a way that high-pressure electrostatic precipitation is combined, can remove effectively nitric acid using spray neutralizing tower
In the tobacco that oxidation process generates, tobacco removal rate is 100%, and treated, and gas can be directly discharged in air, will not be produced
Raw any pollution.
Description of the drawings
Fig. 1 is a kind of planar structure schematic diagram of embodiment of the utility model.
Specific implementation mode
In the description of the present invention, it should be understood that "center" in term, "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
State the utility model and simplify and describe, do not indicate or imply the indicated device or component must have a particular orientation, with
Specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second "
It is used for description purposes only, is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection ", " connected " shall be understood in a broad sense, and can also be dismantling connection, or integrally connect for example, it may be being fixedly connected
It connects；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also be indirectly connected through an intermediary,
It can be the connection of two component internals.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
Concrete meaning of the language in the utility model.
Refer to Fig. 1, what Fig. 1 was disclosed is a kind of processing system of the nitric acid exhaust gas generated in oxidation process, including washing
Tower 1 and electrostatic precipitation tower 2 are equipped with filled layer 11 in the scrubbing tower 1, several the first sprays are equipped in the top of filled layer 11
Drench head 12；It is equipped with exhaust gas inlet port 13 in the lower section of filled layer 11；It is deposited equipped with cleaning solution in the lower section of the exhaust gas inlet port 13
Storage tank 14 is externally provided with first circulation pump 15 in the scrubbing tower 1, and the import of the first circulation pump 15 is stored with the cleaning solution
Case 14 is connected, and the outlet of the first circulation pump 15 is connect with the first spray head 12；It is equipped in the electrostatic precipitation tower 2 several
Be arranged in pairs anode tube 21 and cathode line 22, the anode tube 21 be made of carbon fibre material, the cathode line 22 be by
Made of titanium alloy；High voltage is imposed between the anode tube 21 and cathode line 22 forms electric field；At the scrubbing tower 1
Exhaust gas after reason is connect by pipeline 23 with the exhaust gas inlet 24 of 2 lower part of electrostatic precipitation tower, and by electrostatic precipitation tower 2 to exhaust gas
After-treatment；Exhaust gas after after-treatment can be directly discharged into air from the gas vent 29 at 2 top of electrostatic precipitation tower, and without nitric acid
The tobacco of generation.
When the utility model is used, entering from the exhaust gas with tobacco that workshop generates from the bottom of scrubbing tower 1, through flowing through
Filled layer 11 carries out vapour/liquid and comes into full contact with reaction, allows exhaust gas and filler（Generally ball-type Raschig ring) surface flow liquid
（Sodium hydroxide or potassium hydroxide aqueous solution）It comes into full contact with, to neutralize, adsorb contained in exhaust gas and fine particulates；Then,
The 2 further dedusting demisting of electrostatic precipitation tower with high voltage is entered back into, in one timing of high voltage, so that it may to reach entirely without tobacco
Purpose.
It is controllable in order to reach tobacco discharge, it can be by adjusting the high voltage between the anode tube 21 and cathode line 22
Size, be discharged entirely without tobacco with reaching, and the purpose of electric power can be saved.
Preferably, the utility model further includes second circulation pump 25, the import and the washing of the second circulation pump 25
Liquid storage box 14 is connected, and the outlet of the second circulation pump 25 connects with the second spray head 26 for being located at 2 inner top of electrostatic precipitation tower
It connects；Lower part in the electrostatic precipitation tower 2 is equipped with the second storage box 27.Second circulation pump 25 is primary per opening within 10-20 days, rinses
The dirt being adsorbed in anode tube 21.
Preferably, several weights 28 for being used to keep 22 tension of cathode line are equipped in the electrostatic precipitation tower 2, for adjusting
Save the tension of cathode line 22.
It should be noted that explaining in detail for the above embodiment, purpose, which is only that, carries out the utility model
It explains, in order to be able to preferably explain the utility model, still, these descriptions cannot be with any explanation at being to this reality
With novel limitation, in particular, each feature described in various embodiments mutually can also be combined arbitrarily, to group
At other embodiment, in addition to there is clearly opposite description, these features should be understood to can be applied to any one implementation
In mode, and it is not limited merely to described embodiment.
Claims (6)
1. a kind of processing system of the nitric acid exhaust gas generated in oxidation process, it is characterised in that：Including scrubbing tower（1）It is removed with electrostatic
Chimney（2）, in the scrubbing tower（1）It is interior to be equipped with filled layer（11）, in filled layer（11）Top be equipped with several first spray
Head（12）；In filled layer（11）Lower section be equipped with exhaust gas inlet port（13）；In the exhaust gas inlet port（13）Lower section be equipped with wash
Wash liquid storage box（14）, in the scrubbing tower（1）It is externally provided with first circulation pump（15）, the first circulation pump（15）Import with
The cleaning solution storage box（14）It is connected, the first circulation pump（15）Outlet and the first spray head（12）Connection；Described
Electrostatic precipitation tower（2）It is interior to be arranged in pairs anode tube equipped with several（21）And cathode line（22）, the anode tube（21）It is by carbon fiber
It ties up made of material, the cathode line（22）It is made of titanium alloy；In the anode tube（21）And cathode line（22）Between
It imposes high voltage and forms electric field；By the scrubbing tower（1）Treated, and exhaust gas passes through pipeline（23）With electrostatic precipitation tower（2）Under
The exhaust gas inlet in portion（24）Connection, and pass through electrostatic precipitation tower（2）To secondary exhaust gas processing.
2. the processing system of the nitric acid exhaust gas generated in oxidation process according to claim 1, it is characterised in that：Adjust institute
State anode tube（21）And cathode line（22）Between high voltage size, with achieve the purpose that entirely without tobacco be discharged.
3. the processing system of the nitric acid exhaust gas generated in oxidation process according to claim 1 or 2, it is characterised in that：Also
It is pumped including second circulation（25）, the second circulation pump（25）Import and the cleaning solution storage box（14）It is connected, described the
Two circulating pumps（25）Outlet and be located at electrostatic precipitation tower（2）Second spray head of inner top（26）Connection；It is removed in the electrostatic
Chimney（2）Interior lower part is equipped with the second storage box（27）.
4. the processing system of the nitric acid exhaust gas generated in oxidation process according to claim 1 or 2, it is characterised in that：
The electrostatic precipitation tower（2）It is used to keep the weight of cathode line tension equipped with several（28）.
5. the processing system of the nitric acid exhaust gas generated in oxidation process according to claim 1 or 2, it is characterised in that：Institute
State filled layer（11）It is ball-type Raschig ring filled layer.
6. the processing system of the nitric acid exhaust gas generated in oxidation process according to claim 1 or 2, it is characterised in that：Institute
State cleaning solution storage box（14）Cleaning solution be sodium hydroxide or potassium hydroxide aqueous solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659006.5U CN207928979U (en) | 2017-12-04 | 2017-12-04 | The processing system of the nitric acid exhaust gas generated in oxidation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659006.5U CN207928979U (en) | 2017-12-04 | 2017-12-04 | The processing system of the nitric acid exhaust gas generated in oxidation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207928979U true CN207928979U (en) | 2018-10-02 |
Family
ID=63644750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721659006.5U Expired - Fee Related CN207928979U (en) | 2017-12-04 | 2017-12-04 | The processing system of the nitric acid exhaust gas generated in oxidation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207928979U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075679A (en) * | 2019-05-10 | 2019-08-02 | 定颖电子(黄石)有限公司 | A kind of wiring board nitric acid stripping and hanging frame exhaust treatment system and method |
| CN110369132A (en) * | 2019-08-01 | 2019-10-25 | 福建德运科技有限公司 | Forming machine flue gas purification system |
-
2017
- 2017-12-04 CN CN201721659006.5U patent/CN207928979U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075679A (en) * | 2019-05-10 | 2019-08-02 | 定颖电子(黄石)有限公司 | A kind of wiring board nitric acid stripping and hanging frame exhaust treatment system and method |
| CN110369132A (en) * | 2019-08-01 | 2019-10-25 | 福建德运科技有限公司 | Forming machine flue gas purification system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20191204 |