CN205347620U - Cyanide coating bath exhaust emission system - Google Patents
Cyanide coating bath exhaust emission system Download PDFInfo
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- CN205347620U CN205347620U CN201520800798.8U CN201520800798U CN205347620U CN 205347620 U CN205347620 U CN 205347620U CN 201520800798 U CN201520800798 U CN 201520800798U CN 205347620 U CN205347620 U CN 205347620U
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- coating bath
- cyanogen
- cyanide
- cyanide coating
- recovery tower
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Abstract
The utility model relates to a cyanide coating bath exhaust emission system. Including cyanide coating bath, fan, cyanogen fog recovery tower, accumulator and retreatment groove, 10~15cm department side is equipped with the gas collection export under the cyanide coating bath notch, and cyanogen fog recovery tower middle part is equipped with the filter layer, and cyanide coating bath, fan, cyanogen fog recovery tower and accumulator constitute the circulation system who retrieves, utilizes through gas collection pipeline, return line, feedback pipeline and retrieval and utilization pipeline. The utility model discloses establish the gas collection export to the side of the cyanide coating bath, at liquid level top formation airhood, waste gas is collected completely, and no cyanogen fog releases, through special retreatment process, purify the back evacuation, retrieve totally, pollution -free to the environment, the pollution -free green of having created no exhaust emission contains cyanogen electroplating process. Reduce in process including the evaporation of cyanogen solution, the treatment effeciency is high, and cyclic utilization contains cyanogen solution, reduces the running cost, fundamentally has solved and has contained the pollution problem of cyanogen electroplating waste gas to the environment.
Description
Technical field
This utility model belongs to plating waste gas pollution control and treatment technical field, particularly relates to a kind of cyanide coating bath exhaust emission system.
Background technology
Plating (Electroplating) utilizesElectrolysisPrinciple plates the process of other metal or alloy of a thin layer on the surface of metal or other material, by electroplating the surface attachment layer of metal film that can make metal or other material, prevents burning (such as corrosion) thus playing, raising wearability,Electric conductivity, reflective, the effect such as corrosion resistance and having improved aesthetic appearance.Therefore, electroplating technology extensive use in machinery, five metals and electrical equipment etc. process of producing product.Plating is the industry that the national economic development is indispensable, and plating pollution on the environment problem can not be ignored, and the plating disposal of three wastes is extremely urgent.
Plating carries out in electroplating bath, it is different and different that the composition of the electroplate liquid in electroplating bath looks coating, but all containing the main salt being provided with metal ion, in the energy main salt of complexation, metal ion forms the chelating agent of complex, for the buffer agent of stable solution acid alkalinity, anode activation agent and special additive (such as brightener, grain refiner, leveling agent, wetting agent, stress relieving agent and fog inhibitor etc.).Electroplating process be the metal ion in plating solution under the effect of external electric field, be reduced into metallic atom through electrode reaction, and in the process of the enterprising row metal deposition of negative electrode.Therefore, this is a metal electrodeposition process including the steps such as mass transfer in liquid phase, electrochemical reaction and electrocrystallization.
Electroplating process carries out at a certain temperature, and electroplating bath can produce waste gas.Such as cyanide coating bath, if waste gas of leaving is discharged, both affected workshop condition, and affected operator's labor safety and healthy, also air can be polluted, against environmental requirement.The improvement of cyanide coating bath waste gas be there is no good measure by current electroplating industry, is generally only provided above gas sampling cover at electroplating bath, is sent to discharge after recovery tower reclaims and processes further.Tradition gas collecting mode is divided into two big classes by the cover implication stream type of flow, i.e. air suction type gas skirt and Blowing and sucking gas trap hood, this kind of gas skirt use procedure there is gap with cell body top, cyanogen mist can spill from gap, processing procedure efficiency is low, cost is high, and the pollution problem of workshop condition and air be can not get basic solution by waste gas.
Summary of the invention
This utility model is for above-mentioned the deficiencies in the prior art, it is proposed that a kind of cyanide coating bath exhaust emission system, fundamentally solves and electroplates the waste gas pollution problem to environment containing cyanogen, technical process reduces solution evaporation in groove, treatment effeciency is high, recycles mixed liquor, reduces operating cost.
This utility model solves technical problem and is adopted the technical scheme that, one cyanide coating bath exhaust emission system, including cyanide coating bath, blower fan, cyanogen mist recovery tower, accumulator tank and in have the reprocessing groove of 10% liquor natrii hypochloritis；Under described cyanide coating bath notch, side, 10 ~ 15cm place is provided with gas collection outlet, it is provided with filter course in the middle part of described cyanogen mist recovery tower, described reprocessing groove is provided with top vent and bottom leakage fluid dram, and gas outlet, described cyanogen mist recovery tower top is through gas pipeline connection reprocessing groove；Described cyanide coating bath, blower fan, cyanogen mist recovery tower and accumulator tank, consist of the blood circulation reclaiming, utilizing collecting pipe, recovery channel, feedback pipeline and reuse pipeline.
As preferably, described blood circulation includes: gas collection outlet in described cyanide coating bath side connects cyanogen mist recovery tower bottom through collecting pipe and is provided with blower fan on described collecting pipe, the recovered pipeline communication accumulator tank of liquid outlet bottom described cyanogen mist recovery tower, described accumulator tank connects cyanogen mist recovery tower top through feedback pipeline, and described accumulator tank is through reuse pipeline communication cyanide coating bath.
Described filter course includes filter screen and filtrate.
Described reprocessing groove is communicated to cyanogens-containing sewage water groove through waste outflow pipe.
Described cyanide coating bath is provided with liquidometer.
Described feedback pipeline is provided with pump；Described reuse pipeline also is provided with pump.
This utility model side, 10 ~ 15cm place under cyanide coating bath notch is provided with gas collection outlet, airhood is formed at ullage, waste gas is either directly through gas collection outlet and enters cyanogen mist recovery tower bottom under the effect of blower fan through collecting pipe, in cyanogen mist recovery tower, waste gas passes through middle part filter course, it is purified through filtering, is delivered to reprocessing groove from the gas outlet of top of tower through gas pipeline；The cyanogen mist carried secretly in waste gas is reclaimed, and from the bottom of tower, recovered pipeline enters accumulator tank；Waste gas and is discharged by air vent through 10% liquor natrii hypochloritis's treatment and purification at reprocessing groove further, and the waste liquid of reprocessing groove is sent to cyanogens-containing sewage water groove through waste outflow pipe.The cyanide-contained solution reclaimed through reuse pipeline by transport pump to cyanide coating bath reuse, or be delivered to cyanogen mist recovery tower top for spraying through feedback pipeline.Accumulator tank is additionally provided with water inlet, and water inlet is connected with tap water supply pipeline, in order to supplies water and regulates liquid measure, provides spray liquid for cyanogen mist recovery tower, and carries out fluid infusion for cyanide coating bath.Filter course in cyanogen mist recovery tower, filter screen generally adopts the filter screen being made up of polymer fiber material, and filtrate generally adopts biofilter material, such as ball of wandering about as a refugee, speed point biochemistry ball etc..
Technical characterstic and effect that this utility model is prominent are in that, under cyanide coating bath notch, side, 10 ~ 15cm place is provided with gas collection outlet, forms airhood at ullage, and gas sampling is complete, releases without cyanogen mist；By special reprocessing process, empty after purification, reclaim completely, environmentally safe；Constitute purification, the blood circulation recycled by collecting pipe, recovery channel, feedback pipeline and reuse pipeline, create the pollution-free green of non-exhaust emission containing cyanogen electroplating technology.Reducing cyanide-contained solution evaporation in technical process, treatment effeciency is high, recycles cyanide-contained solution, reduces operating cost；Fundamentally solve and electroplate the waste gas pollution problem to environment containing cyanogen.
Accompanying drawing explanation
Fig. 1 is this utility model one detailed description of the invention schematic diagram.
Below in conjunction with drawings and Examples, this utility model is further described.
Detailed description of the invention
Embodiment 1: a kind of cyanide coating bath exhaust emission system.
As it is shown in figure 1, system includes cyanide coating bath 1, blower fan 2, cyanogen mist recovery tower 3, accumulator tank 4 and reprocessing groove 5；Under cyanide coating bath 1 notch, side, 12cm place is provided with gas collection outlet；Being provided with filter course in the middle part of cyanogen mist recovery tower 3, top is provided with gas outlet, and bottom is provided with liquid outlet.The gas collection outlet of cyanide coating bath 1 side is also connected with cyanogen mist recovery tower 3 bottom through collecting pipe, and collecting pipe is provided with blower fan 2；Gas outlet, cyanogen mist recovery tower 3 top is connected with reprocessing groove 5 through gas pipeline, and bottom cyanogen mist recovery tower 3, recovered pipeline is connected with accumulator tank 4, and accumulator tank 4 is connected with cyanogen mist recovery tower 3 top through feedback pipeline, and feedback pipeline is provided with pump 7；Accumulator tank 4 is connected with cyanide coating bath 1 through reuse pipeline, and reuse pipeline also is provided with pump 7.Reprocessing groove 5 is provided with air vent, and bottom reprocessing groove 5, leakage fluid dram is communicated to cyanogens-containing sewage water groove through Drainage pipe.Cyanide coating bath 1 is provided with liquidometer 6.Filter course is made up of filter screen and filtrate, and filter screen is at lower floor's filtrate on upper strata, and filter screen is polypropylene fibre strainer, and filtrate is ball of wandering about as a refugee.
Embodiment 2: another kind of cyanide coating bath exhaust emission system.
Under cyanide coating bath notch, side, 15cm place is provided with gas collection outlet.All the other are identical with embodiment 1.
Embodiment 3: another cyanide coating bath exhaust emission system.
Under cyanide coating bath notch, side, 10cm place is provided with gas collection outlet.All the other are identical with embodiment 1.
Specific embodiment described herein is only to this utility model spirit explanation for example.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount the scope that appended claims is defined.
Claims (7)
1. a cyanide coating bath exhaust emission system, including cyanide coating bath, blower fan, cyanogen mist recovery tower and accumulator tank, it is characterised in that there is the reprocessing groove of 10% liquor natrii hypochloritis in also including；Under described cyanide coating bath notch, side, 10 ~ 15cm place is provided with gas collection outlet, it is provided with filter course in the middle part of described cyanogen mist recovery tower, described reprocessing groove is provided with top vent and bottom leakage fluid dram, and gas outlet, described cyanogen mist recovery tower top is through gas pipeline connection reprocessing groove；Described cyanide coating bath, blower fan, cyanogen mist recovery tower and accumulator tank, consist of the blood circulation reclaiming, utilizing collecting pipe, recovery channel, feedback pipeline and reuse pipeline.
2. cyanide coating bath exhaust emission system according to claim 1, it is characterized in that, described blood circulation includes: gas collection outlet in described cyanide coating bath side connects cyanogen mist recovery tower bottom through collecting pipe and is provided with blower fan on described collecting pipe, the recovered pipeline communication accumulator tank of liquid outlet bottom described cyanogen mist recovery tower, described accumulator tank connects cyanogen mist recovery tower top through feedback pipeline, and described accumulator tank is through reuse pipeline communication cyanide coating bath.
3. cyanide coating bath exhaust emission system according to claim 1, it is characterised in that described filter course includes filter screen and filtrate.
4. cyanide coating bath exhaust emission system according to claim 1, it is characterised in that described reprocessing groove is communicated to cyanogens-containing sewage water groove through waste outflow pipe.
5. cyanide coating bath exhaust emission system according to claim 1, it is characterised in that described cyanide coating bath is provided with liquidometer.
6. cyanide coating bath exhaust emission system according to claim 1 and 2, it is characterised in that described feedback pipeline is provided with pump.
7. cyanide coating bath exhaust emission system according to claim 1 and 2, it is characterised in that described reuse pipeline is provided with pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520800798.8U CN205347620U (en) | 2015-10-13 | 2015-10-13 | Cyanide coating bath exhaust emission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520800798.8U CN205347620U (en) | 2015-10-13 | 2015-10-13 | Cyanide coating bath exhaust emission system |
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| Publication Number | Publication Date |
|---|---|
| CN205347620U true CN205347620U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520800798.8U Active CN205347620U (en) | 2015-10-13 | 2015-10-13 | Cyanide coating bath exhaust emission system |
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| CN (1) | CN205347620U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200505A (en) * | 2015-10-13 | 2015-12-30 | 嘉兴通惠环保科技有限公司 | Exhaust gas discharge system for cyanide plating tank |
| CN110385001A (en) * | 2019-07-31 | 2019-10-29 | 河池市机务材料有限公司 | A kind of spongy chromium plating plating waste gas recycling device |
-
2015
- 2015-10-13 CN CN201520800798.8U patent/CN205347620U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200505A (en) * | 2015-10-13 | 2015-12-30 | 嘉兴通惠环保科技有限公司 | Exhaust gas discharge system for cyanide plating tank |
| CN110385001A (en) * | 2019-07-31 | 2019-10-29 | 河池市机务材料有限公司 | A kind of spongy chromium plating plating waste gas recycling device |
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