CN206219340U - Treatment for reuse device containing sodium hypochlorite waste liquid - Google Patents
Treatment for reuse device containing sodium hypochlorite waste liquid Download PDFInfo
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- CN206219340U CN206219340U CN201621175879.4U CN201621175879U CN206219340U CN 206219340 U CN206219340 U CN 206219340U CN 201621175879 U CN201621175879 U CN 201621175879U CN 206219340 U CN206219340 U CN 206219340U
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- waste liquid
- sodium hypochlorite
- containing sodium
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- tube
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Abstract
The utility model is related to liquid waste treating apparatus, there is provided a kind for the treatment of for reuse device containing sodium hypochlorite waste liquid, including passing sequentially through the absorption tower that pipeline is connected in series, lead-over groove, reactor, medial launder, film filter and baffling groove, absorption tower includes the feeding mechanism in housing and insertion housing, feeding mechanism includes central tube, inner tube and outer tube, inner tube is located between central tube and outer tube, inner tube top is connected with basepipe seal, outer tube top is tightly connected with inner tube, intervalve and outer tube are respectively equipped with hydrogen peroxide solution entrance, inner tube is provided with the entrance of waste liquid containing sodium hypochlorite；The waste liquid containing sodium hypochlorite that the utility model is first produced catalytic oxidation of hydrogen chloride for preparing chlorine gas device with hydrogenperoxide steam generator, processed in the absorption tower with feeding mechanism, realize resource reutilization, technical process is simple, equipment investment is few, hydrogenperoxide steam generator consumption is small, saves cost for wastewater treatment and cost of material, reduces the environmental pollution that discharging of waste liquid brings.
Description
Technical field
The utility model is related to liquid waste treating apparatus, and in particular to the treatment for reuse device containing sodium hypochlorite waste liquid.
Background technology
Chlorine is a kind of important basic chemical industry raw material, is mainly prepared by electrolytic saltwater at present.With industry
An urgent demand of the chlorine for being continuously increased and thus the bringing circulation of by-product hydrogen chloride, catalytic oxidation of hydrogen chloride for preparing chlorine gas technology is wide
General concern is got up.
During catalytic oxidation of hydrogen chloride for preparing chlorine gas, usually using alkane chlorination, ethylene oxychlorination, MDI and TDI production
Hydrogen chloride Deng byproduct in process is used as raw material, wherein containing the nothing such as the organic matters such as a small amount of ethene, chlorobenzene and carbon monoxide
Machine thing, these organic matters and inorganic matter are converted to carbon dioxide during the catalytic oxidation of hydrogen chloride, with product chlorine and
Unconverted hydrogen chloride and oxygen enter product separation system together.
In product separation system, unconverted hydrogen chloride is absorbed by water and is removed by major part, remaining chlorine, oxygen
After chilled with carbon dioxide, chlorine is freezed by major part, oxygen and carbon dioxide of the remainder containing a small amount of chlorine, is
The utilization rate of oxygen is improved, oxygen and carbon dioxide of this part containing a small amount of chlorine need to be returned to reaction member,
If all returned, the carbon dioxide in system can constantly be accumulated, and then adverse effect is brought to catalytic oxidation, therefore be needed
Least a portion of recyclegas is continuously discharged to be in below technique safe level with the gas concentration lwevel in guarantee system.
Oxygen and carbon dioxide of this part containing a small amount of chlorine are changed into containing time chlorine after generally being absorbed using NaOH solution
The alkaline waste liquor of sour sodium, being re-used as industrial wastewater carries out the qualified rear discharge up to standard for the treatment of.This method not only increases enterprise and gives up
Water process amount and processing cost, sodium chloride, sodium carbonate in waste liquid etc. can not be utilized effectively.In view of this, if energy
The method for enough finding above-mentioned liquid waste processing and reuse, then can both realize resource reutilization, cost-effective, environment can be reduced again dirty
Dye.
Utility model content
The purpose of this utility model is to provide a kind for the treatment of for reuse device containing sodium hypochlorite waste liquid, to overcome existing skill
The defect that art is present.
Treatment and reclamation set containing sodium hypochlorite waste liquid described in the utility model, including pass sequentially through pipeline series connection company
Absorption tower, lead-over groove, reactor, medial launder, film filter and the baffling groove for connecing；
The feeding mechanism that described absorption tower includes housing and is arranged in the insertion housing of case top；
Described feeding mechanism includes central tube, inner tube and outer tube；
Described inner tube is arranged between described central tube and outer tube；
The top of described inner tube is tightly connected with the outer wall of described central tube；
The top of described outer tube is tightly connected with the outer wall of described inner tube；
Described intervalve and described outer tube is respectively equipped with hydrogen peroxide solution entrance；
Described inner tube is provided with the entrance of waste liquid containing sodium hypochlorite；
The beneficial effects of the utility model are：
The waste liquid containing sodium hypochlorite for first being produced catalytic oxidation of hydrogen chloride for preparing chlorine gas device with hydrogenperoxide steam generator, in tool
Have in the absorption tower of feeding mechanism and processed, then treatment fluid is returned as electrolysis with the raw material of salt hydratable salt workshop section
With, resource reutilization is realized, entreprise cost is reduced, while protecting environment.Realize containing the effective of sodium hypochlorite waste liquid
Treatment and reuse, technical process is simple, equipment investment is few, and hydrogenperoxide steam generator consumption is small, it is easy to operate, not only enterprise saves
Cost for wastewater treatment and cost of material, are also greatly reduced the environmental pollution that discharging of waste liquid may bring.
Brief description of the drawings
Fig. 1 is the treatment for reuse apparatus structure schematic diagram containing sodium hypochlorite waste liquid.
Fig. 2 is absorption tower structural representation.
Fig. 3 is feeding mechanism structural representation.
Specific embodiment
Referring to Fig. 1 and Fig. 2, treatment and reclamation set containing sodium hypochlorite waste liquid described in the utility model, including successively
Absorption tower 1, lead-over groove 2, reactor 3, medial launder 4, film filter 5 and the baffling groove 6 being connected in series by pipeline；
The feeding mechanism 7 that described absorption tower 1 includes housing 101 and is arranged in the insertion housing 101 of case top；
Described feeding mechanism 7 includes：
Central tube 701, inner tube 702 and outer tube 703；
Described inner tube 702 is arranged between described central tube 701 and outer tube 703；
The top of described inner tube 702 is tightly connected with the outer wall of described central tube 701；
The top of described outer tube 703 is tightly connected with the outer wall of described inner tube 702；
Described intervalve 701 and described outer tube 703 distinguishes hydrogen peroxide solution entrance (704)；
Described inner tube 702 is provided with the entrance of waste liquid containing sodium hypochlorite (705)；
Preferably, the end of described outer tube 703 is provided with mixing section 707, and the end of described mixing section 707 is provided with loudspeaker
Mouth 706；The angle [alpha] of the angle of described horn mouth 706 is 10~15 °；
Preferably, inner tube 702 is identical with the net sectional area of central tube 701, and inner tube 702 and the effective of central tube 701 cut
Area sum is identical with the net sectional area of outer tube 703.
Term " net sectional area ", refers to the area of inner tube 702, central tube 701 and the solution of outer tube 703 circulation.
Preferably, the both sides at the top of described housing 101 are equipped with the described feeding mechanism 7 of insertion housing 101, can
Enable that the waste liquid containing sodium hypochlorite into housing 101 is more sufficiently mixed with hydrogenperoxide steam generator；
Using the feeding mechanism of said structure, may be such that waste liquid containing sodium hypochlorite is sufficiently mixed with hydrogenperoxide steam generator, subtract
The consumption of few hydrogenperoxide steam generator, it is possible to greatly reduce the height on absorption tower 1, expense of reducing investment outlay.
Preferably, delivery pump 8 is provided with the pipeline between absorption tower 1 and lead-over groove 2, in medial launder 4 and film filter 5
Between pipeline be provided with booster pump 9；
The utility model is so operation：
(1) waste liquid containing sodium hypochlorite and hydrogenperoxide steam generator are sent into from top by described feeding mechanism respectively and conveys
Enter absorption tower 1, in the premixing reaction of mixing section 106 of described feeding mechanism, then further flowed into after absorber portion reaction
Tower reactor is absorbed, treatment fluid is obtained, lead-over groove 2 is sent into by there is delivery pump 8；
(2) by the treatment fluid in lead-over groove 2, the post-reactor 3 of primary brine workshop section is delivered to, with crude brine reaction, life
Into precipitation of calcium carbonate, medial launder 4 is flowed into；
The crude brine includes the component such as percentage by weight：
Sodium chloride 20~26%, Ca2+0.01~0.15%, water surplus；
Treatment fluid is 1 with the weight ratio of crude brine:10~550；
(3) medial launder and then by sodium sulfite is added, is stirred 0.5~1.5 hour, film filter 5 is sent into by booster pump 9
Filtering, the pretreatment salt solution of collection；Into in baffling groove, the hydrochloric acid solution that weight concentration is 31% is added, adjust PH to 9~11
After obtain a refined brine, then be delivered to secondary brine workshop section and be for further processing, treatment fluid is with the weight ratio of sodium sulfite
1:0.00015~0.002；
A described refined brine, including following percentage by weight in component：
NaOH 0~0.003%, sodium chloride 19~26%, Ca2+0.00005~0.00025%, can be used for secondary salt
Electrolytic production of chlorine gas and caustic soda are carried out after water conservancy project section treatment；
In step (1), the waste liquid containing sodium hypochlorite that described catalytic oxidation of hydrogen chloride for preparing chlorine gas device is produced, including it is following
Component (mass fraction wt%)：
Hydrogenperoxide steam generator described in step (1), its concentration is 1~30% (mass fraction wt%)；Hydrogenperoxide steam generator
Extra proportion be 0.05~0.5% (mol ratios).In the treatment fluid that step (2) is obtained, sodium hypochlorite content is less than 0.05%
(mass fraction wt%).
Claims (7)
1. the treatment for reuse device of sodium hypochlorite waste liquid is contained, it is characterised in that including passing sequentially through the absorption that pipeline is connected in series
Tower (1), lead-over groove (2), reactor (3), medial launder (4), film filter (5) and baffling groove (6)；
Described absorption tower (1) includes housing (101) and the feeding mechanism being arranged in the insertion housing (101) of case top
(7)；
Described feeding mechanism includes central tube (701), inner tube (702) and outer tube (703)；
Described inner tube is arranged between described central tube and outer tube；
The top of described inner tube is tightly connected with the outer wall of described central tube；
The top of described outer tube is tightly connected with the outer wall of described inner tube；
Described intervalve and described outer tube is respectively equipped with hydrogen peroxide solution entrance (704)；
Described inner tube is provided with the entrance of waste liquid containing sodium hypochlorite (705).
2. the treatment for reuse device containing sodium hypochlorite waste liquid according to claim 1, it is characterised in that described outer tube
End be provided with mixing section (707).
3. the treatment for reuse device containing sodium hypochlorite waste liquid according to claim 2, it is characterised in that described mixing section
End be provided with horn mouth (706).
4. the treatment for reuse device containing sodium hypochlorite waste liquid according to claim 3, it is characterised in that described horn mouth
Angle angle [alpha] be 10~15 °.
5. the treatment for reuse device containing sodium hypochlorite waste liquid according to claim 4, it is characterised in that inner tube and central tube
Net sectional area it is identical, the net sectional area sum of inner tube and central tube is identical with the net sectional area of outer tube.
6. the treatment for reuse device containing sodium hypochlorite waste liquid according to any one of Claims 1 to 5, it is characterised in that institute
The both sides at the top of the housing (101) stated are equipped with the described feeding mechanism (7) of insertion housing (101).
7. the treatment for reuse device containing sodium hypochlorite waste liquid according to claim 6, it is characterised in that in absorption tower and mistake
Pipeline between aqueduct is provided with delivery pump, and booster pump (9) is provided with the pipeline between medial launder and film filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175879.4U CN206219340U (en) | 2016-10-27 | 2016-10-27 | Treatment for reuse device containing sodium hypochlorite waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175879.4U CN206219340U (en) | 2016-10-27 | 2016-10-27 | Treatment for reuse device containing sodium hypochlorite waste liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206219340U true CN206219340U (en) | 2017-06-06 |
Family
ID=58787795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621175879.4U Active CN206219340U (en) | 2016-10-27 | 2016-10-27 | Treatment for reuse device containing sodium hypochlorite waste liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206219340U (en) |
-
2016
- 2016-10-27 CN CN201621175879.4U patent/CN206219340U/en active Active
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