CN209481354U - A kind of recyclable device of dyeing residual liquid - Google Patents
A kind of recyclable device of dyeing residual liquid Download PDFInfo
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- CN209481354U CN209481354U CN201822266729.XU CN201822266729U CN209481354U CN 209481354 U CN209481354 U CN 209481354U CN 201822266729 U CN201822266729 U CN 201822266729U CN 209481354 U CN209481354 U CN 209481354U
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- residual liquid
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- dyeing
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Abstract
The utility model provides a kind of recyclable device of dyeing residual liquid.The recyclable device includes dyeing residual liquid decoloring equipment, medicine machine and sludge treatment device；Dyeing residual liquid decoloring equipment includes the dyeing residual liquid storage tank being sequentially connected, coagulating basin, flocculation basin, sedimentation basin, depth decolouring pond, intermediate regulations pond, ultrafiltration pond and reuse water storage tank；Sludge treatment device includes sludge concentration tank and sludge press filtration pond；Depth decolouring pond, sedimentation basin and dyeing residual liquid storage tank are connected to sludge concentration tank respectively.The recyclable device of the dyeing residual liquid of the utility model passes through the coloration of removal reactive dyeing raffinate, and reuse anhydrous sodium sulphate reduces the discharge of dyeing waste-water.
Description
Technical field
The utility model relates to a kind of recyclable device more particularly to a kind of recyclable devices of dyeing residual liquid, and it is useless to belong to printing and dyeing
Water treatment field.
Background technique
The reclamation rate of increasingly raising with people to environmental requirement, emission request and water for waste water also increasingly mentions
Height, dyeing are that main waste water generates industry, and the environmental protection pressure of receiving also increasingly increases.For cotton spinning printing and dyeing enterprise,
Its waste water is mainly derived from pre-treatment, and dyeing is soaped, and in the techniques such as mercerising and sizing, the dyeing wherein in dyeing process is residual
Liquid contains a large amount of salt and unused dyestuff, which belongs to waste water difficult for biological degradation, as can it is residual to handle the dyeing in leading portion
Liquid waste water, and reuse salt therein, the salt dosage that will be substantially reduced in dyeing course, while mitigating the processing difficulty of waste water, it mentions
The reclamation rate of high waste water has biggish economic benefit and environmental benefit.
Utility model content
In order to solve, the purpose of this utility model is to provide a kind of recovery processings of dyeing residual liquid
Device, handling the recycle-water collected by the device can be reused for dyeing.
In order to achieve the above technical purposes, the utility model provides a kind of recyclable device of dyeing residual liquid, recycling dress
Set includes: dyeing residual liquid decoloring equipment, medicine machine and sludge treatment device；
Wherein, dyeing residual liquid decoloring equipment include the dyeing residual liquid storage tank being sequentially connected, coagulating basin, flocculation basin, sedimentation basin,
Depth decolouring pond, intermediate regulations pond, ultrafiltration pond and reuse water storage tank；
Sludge treatment device includes sludge concentration tank and sludge press filtration pond；
Depth decolouring pond, sedimentation basin and dyeing residual liquid storage tank are connected to sludge concentration tank respectively.
In the dyeing residual liquid recyclable device of the utility model, dyeing residual liquid decoloring equipment includes dyeing residual liquid storage tank, mixes
Solidifying pond, flocculation basin, sedimentation basin, depth decolouring pond, intermediate regulations pond, ultrafiltration pond and reuse water storage tank.
In the recyclable device of the utility model, dyeing residual liquid storage tank is for collecting dyeing residual liquid.
In a specific embodiment of utility model, be provided in the connecting pipeline of dyeing residual liquid storage tank and coagulating basin into
Water pump.
In the recyclable device of the utility model, coagulating basin is used for complex dye molecules, analyses dye molecule from solution
Out, precipitating is formed.Flocculation basin forms precipitating for the dye molecule that further flocculates.Being deposited in sedimentation basin for being formed is isolated
Precipitating and liquid.The tone of dyestuff raffinate after carrying out coagulation, flocculation, precipitating is substantially reduced, and has removed most color.
In a specific embodiment of the utility model, coagulating basin is connected to flocculation basin, and flocculation basin is connected to sedimentation basin.
In a specific embodiment of the utility model, blender is provided in coagulating basin；For stirring in coagulating basin
Dyeing residual liquid.
In a specific embodiment of the utility model, blender is provided in flocculation basin；For stirring in flocculation basin
Dyeing residual liquid.
In the recyclable device of the utility model, depth decolouring pond is for removing remaining color in dyeing residual liquid.
In a specific embodiment of the utility model, sedimentation basin is connected to depth decolouring pond, and depth decolouring pond is in
Between conditioning tank be connected to.
In a specific embodiment of the utility model, blender is provided in depth decolouring pond；For stirring depth
Dyeing residual liquid in decolouring pond.
In a specific embodiment of the utility model, it is arranged in depth decolouring pond and the connecting pipeline in intermediate regulations pond
There is pH detector.PH detector is used to detect the pH for the dyeing residual liquid for entering intermediate regulations pond.
In the recyclable device of the utility model, intermediate regulations pond is used to adjust the pH of dyeing residual liquid to neutrality.
In a specific embodiment of the utility model, it is provided on intermediate regulations pond and the connecting pipeline in ultrafiltration pond super
Filter influent pump.
In a specific embodiment of the utility model, intermediate regulations are provided with blender in pond；For stirring centre
Dyeing residual liquid in conditioning tank.
In the recyclable device of the utility model, ultrafiltration pond is for removing remaining solid suspension in liquid, it is ensured that water
Matter reaches reuse requirement, is collected into reuse water pot, continues on for dyeing.
In a specific embodiment of the utility model, ultrafiltration pond is connected to reuse water pot.
In the dyeing residual liquid recyclable device of the utility model, medicine machine includes coagulant tank, flocculation aid tank, hydroxide
Sodium tank, dioxygen water pot and sulphuric acid tank.
In the recyclable device of the utility model, coagulant tank is used to precipitate the dyeing residual liquid in coagulating basin.
In a specific embodiment of the utility model, coagulant is housed in coagulant tank.
Preferably, the coagulant used can be ferrous sulfate, ferric sulfate or aluminum sulfate.It is further preferred that use
Coagulant can be ferrous sulfate.
In a specific embodiment of utility model, coagulant tank is connected to coagulating basin.
In the further embodiment of the utility model, it is arranged on the connecting pipeline of coagulant tank and coagulating basin
There is the first dosing pump.First dosing pump is used to control the conveying of coagulant.
In the recyclable device of the utility model, flocculation aid tank is used for further precipitating dye raffinate.
In a specific embodiment of the utility model, flocculation aid is housed in flocculation aid tank.
Preferably, the flocculation aid used can be polyacrylamide.
In a specific embodiment of the utility model, flocculation aid tank is connected to flocculation basin.
In the further embodiment of the utility model, it is arranged in the connecting pipeline of flocculation aid tank and flocculation basin
There is the second dosing pump.Second dosing pump is used to control the conveying of flocculation aid.
In the recyclable device of the utility model, sodium hydroxide tank is used to adjust the pH of dyeing residual liquid in depth decolouring pond.
It is general to adjust pH to 11-12.
In a specific embodiment of the utility model, sodium hydroxide solution is housed in sodium hydroxide tank.
In the further embodiment of the utility model, the concentration of the sodium hydroxide solution used can be for
20%-50%.
In a specific embodiment of the utility model, sodium hydroxide tank is connected to depth decolouring pond.
In the further embodiment of the utility model, the connecting pipeline of sodium hydroxide tank and depth decolouring pond
On be provided with third dosing pump.Third dosing pump is used to control the conveying of sodium hydroxide solution.
In the recyclable device of the utility model, dioxygen water pot is for further removing dyeing residual liquid in depth decolouring pond
Color.
In a specific embodiment of the utility model, hydrogen peroxide is housed in dioxygen water pot.Also, when sub- using sulfuric acid
When iron is as coagulant, hydrogen peroxide can make remaining ferrous ion be converted into iron ion, form ferric hydroxide precipitate, be deposited to
The bottom of depth decolouring pond.
In a specific embodiment of the utility model, dioxygen water pot is connected to depth decolouring pond.
In the further embodiment of the utility model, on the connecting pipeline of dioxygen water pot and depth decolouring pond
It is provided with the 4th dosing pump.4th dosing pump is used to control the conveying of hydrogen peroxide.
In the recyclable device of the utility model, sulphuric acid tank is used to adjust the pH of dyeing residual liquid in intermediate regulations pond.Generally
PH is adjusted to neutrality.
In a specific embodiment of the utility model, sulfuric acid solution is housed in sulphuric acid tank.
Preferably, the concentration of the sulfuric acid solution used can be 30%-60%.
In a specific embodiment of the utility model, sulphuric acid tank is connected to intermediate regulations pond.
In the further embodiment of the utility model, set on sulphuric acid tank and the connecting pipeline in intermediate regulations pond
It is equipped with the 5th dosing pump.5th dosing pump is used to control the conveying of sulfuric acid solution.
In the recyclable device of the dyeing residual liquid of the utility model, sludge concentration tank is connected to sludge press filtration pond.
In a specific embodiment of the utility model, it is arranged on the connecting pipeline in sludge concentration tank and sludge press filtration pond
There is sludge delivery pump.
In a specific embodiment of the utility model, sludge press filtration pond is connected to dyeing residual liquid storage tank.
Further, the liquid outlet in sludge press filtration pond is connected to dyeing residual liquid storage tank.
The recovery method completed by the recyclable device of the above-mentioned dyeing residual liquid of the utility model, includes the following steps.
Step 1: the dyeing residual liquid collected in dyeing residual liquid storage tank is transported in coagulating basin and carries out coagulation, is then conveyed
It further flocculates into flocculation basin, precipitating and liquid is isolated in sedimentation basin.
Step 2: liquid, which is transported in depth decolouring pond, further to decolourize, and enters after intermediate regulations pond adjusts pH
Hyperfiltration treatment is carried out in ultrafiltration pond, collects recycle-water, completes the recovery processing to dyeing residual liquid.
In the recovery method of the utility model, in step 1, the dyeing residual liquid collected in dyeing residual liquid storage tank is led to
It crosses intake pump and is transported to coagulating basin, mixed with the coagulant in coagulating basin, and further mixed with the flocculation aid in flocculation basin, made
Dye molecule in dyeing residual liquid is precipitated from solution, and bottom precipitation and upper liquid are isolated in sedimentation basin.
Step 1 can remove most of color in dyeing residual liquid, and removal rate is greater than 95%.
In step 1, the dosage of tank coagulant is 5g/L-10g/L.
In a specific embodiment of the utility model, the coagulant used can be ferrous sulfate, ferric sulfate or sulphur
Sour aluminium.
In step 1, the dosage of flocculation aid is 2mg/L-5mg/L.
In a specific embodiment of the utility model, the flocculation aid used can be polyacrylamide
In a specific embodiment of the utility model, the dosage of hydrogen peroxide is 2g/L-5g/L.
In the recovery method of the utility model, in step 2, by the dyeing residual liquid (sedimentation basin by step 1 processing
In upper liquid) be transported in depth decolouring pond.Equipped with sodium hydroxide solution (for adjusting depth decoloration in depth decolouring pond
The pH of dyeing residual liquid in pond) and hydrogen peroxide (for further removing the color of dyeing residual liquid in depth decolouring pond).Depth decoloration
It is reacted for 24 hours in pond.
In a specific embodiment of the utility model, the pH to 11- of the dyeing residual liquid adjusted in depth decolouring pond
12。
Then, it is entered after intermediate regulations pond adjusts pH and carries out hyperfiltration treatment in ultrafiltration pond.
Wherein, sulfuric acid solution is housed, for adjusting the pH of the dyeing residual liquid in intermediate regulations pond into intermediate regulations pond
Property.
It after adjusting pH, enters in ultrafiltration pond, carries out hyperfiltration treatment, remove remaining solid suspension in water removal, it is ensured that water
Matter reaches reuse requirement, is collected into reuse water pot.
The recyclable device of the utility model dyeing residual liquid passes through the coloration of removal reactive dyeing raffinate, and reuse is therein
Anhydrous sodium sulphate is reused for dyeing, and reduces the discharge of dyeing waste-water, and wherein the reclamation rate of anhydrous sodium sulphate is 90% or more.
The recyclable device of the utility model dyeing residual liquid decreases total dissolubility in waste water while reuse anhydrous sodium sulphate
The content of solid reduces the processing and reuse difficulty of waste water.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the recyclable device of the utility model dyeing residual liquid in the utility model embodiment 1.
Main Reference symbol description
1, dyeing residual liquid storage tank；2, intake pump；3, coagulating basin；4, flocculation basin；5, sedimentation basin；6, depth decolouring pond；7, in
Between conditioning tank；8, ultrafiltration intake pump；9, ultrafiltration pond；10, sludge concentration tank；11, sludge press filtration pond；12, the first dosing pump；13,
Second dosing pump；14, third dosing pump；15, the 4th dosing pump；16, coagulant tank；17, flocculation aid tank；18, sodium hydroxide tank；
19, dioxygen water pot；20, reuse water pot；21, the 5th dosing pump；22, sulphuric acid tank；23, sludge delivery pump.
Specific embodiment
It is now practical to this in order to which the technical characteristics of the utility model, purpose and beneficial effect are more clearly understood
Novel technical solution carries out following detailed description, but should not be understood as the restriction to the enforceable range of the utility model.
Embodiment 1
As shown in Figure 1, present embodiments providing a kind of recyclable device of dyeing residual liquid, which includes: that dyeing is residual
Liquid decoloring equipment, medicine machine and sludge treatment device；
Dyeing residual liquid decoloring equipment includes dyeing residual liquid storage tank 1, intake pump 2, coagulating basin 3, flocculation basin 4, sedimentation basin 5, depth
Spend decolouring pond 6, intermediate regulations pond 7, ultrafiltration intake pump 8, ultrafiltration pond 9, reuse water pot 20.
Wherein, dyeing residual liquid tank 1 is connected with the entrance of intake pump 2.
The outlet of intake pump 2 is connected with coagulating basin 3.
Coagulating basin 3 is connected with flocculation basin 4.
Flocculation basin 4 is connected with sedimentation basin 5.
Sedimentation basin 5 is connected with depth decolouring pond 6.
Depth decolouring pond 6 is connected with intermediate regulations pond 7.
Intermediate regulations pond 7 is connected with ultrafiltration intake pump 8.
Ultrafiltration intake pump 8 is connected with ultrafiltration pond 9.
Ultrafiltration pond 9 is connected with reuse water pot 20.
Wherein, blender is provided in coagulating basin 3.
Blender is provided in flocculation basin 4.
Blender is provided in depth decolouring pond 5.
Blender is provided in intermediate regulations pond 6.
Medicine machine includes coagulant tank 16, flocculation aid tank 17, sodium hydroxide tank 18, dioxygen water pot 19, sulphuric acid tank 22, and
One dosing pump 12, the second dosing pump 13, third dosing pump 14, the 4th dosing pump 15, the 5th dosing pump 21.
Wherein, coagulant tank 16 is connected with the first dosing pump 12, and the first dosing pump 12 is connected with coagulating basin 3.
Flocculation aid tank 17 is connected with the second dosing pump 13, and the second dosing pump 13 is connected with flocculation basin 4.
Sodium hydroxide tank 18 is connected with third dosing pump 14, and third dosing pump 14 is connected with depth decolouring pond 6.
Dioxygen water pot 19 is connected with the 4th dosing pump 15, and the 4th dosing pump 15 is connected with depth decolouring pond 6.
Sulphuric acid tank 22 is connected with the 5th dosing pump 21, and the 5th dosing pump 21 is connected with intermediate regulations pond 7.
Sludge treatment device includes sludge concentration tank 10, sludge delivery pump 23 and sludge filter press 11.
Wherein, sludge concentration tank 10 is connected with the mud discharging mouth of sedimentation basin 5 and depth decolouring pond 6.
The supernatant outlet of sludge concentration tank 10 is connected with dyeing residual liquid storage tank 1.
10 lower part sludge outlet of sludge concentration tank is connected with the entrance of sludge delivery pump 23.
The outlet of sludge delivery pump 23 is connected with sludge press filtration pond 11.
The liquid outlet in sludge press filtration pond 11 is connected with dyeing residual liquid storage tank 1, the produced solid sludges in sludge press filtration pond 11 into
Row outward transport processing.
The present embodiment additionally provides a kind of recycling side of dyeing residual liquid that the recyclable device using above-mentioned dyeing residual liquid is completed
Method includes the following steps.
Dyeing residual liquid after dyeing enters in dyeing residual liquid storage tank 1, is then pumped into coagulating basin 3, is passed through by intake pump 2
First dosing pump 12 adds ferrous sulfate solution into coagulating basin 3 and decolourizes to dyeing residual liquid, and according to water quality situation, control is thrown
Adding concentration is 10g/L, and dyeing residual liquid enters back into flocculation basin 4, and flocculation aid polyacrylamide 2mg/L is added in flocculation basin 4；It
After enter in sedimentation basin 5 and precipitated, the chroma removal rate by ferrous sulfate decoloration poststaining raffinate is greater than 95%.
Dyeing residual liquid enters back into depth decolouring pond 6, passes through third dosing pump 14 and the 4th dosing in depth decolouring pond 6
Pump 15 adds sodium hydroxide and hydrogen peroxide respectively, and control dyeing residual liquid pH is 12, dioxygen water consumption 5g/L, after reaction for 24 hours, color
Degree is can be controlled within 32 times, while the residual ferrous ion in dyeing residual liquid is converted into iron ion and is deposited in bottom of pond.
Dyeing residual liquid after decoloration flows into intermediate regulations pond 7, adds sulfuric acid by the 5th dosing pump 21, adjusts pH
It is 7.5, removes remaining ferric hydroxide colloid in dyeing residual liquid using ultrafiltration pond 9, the dyeing residual liquid after finally decolourizing is collected
In reuse water pot 20.
Meanwhile the solid precipitating in sedimentation basin 5 and depth decolouring pond 6 is transported in sludge concentration tank 10, sludge concentration tank
10 supernatant is transported to dyeing residual liquid storage tank 1, and the liquid in sludge press filtration pond 11 is transported to dyeing residual liquid storage tank 1 and is connected, sludge
The produced solid in filters pressing pond 11 is expelled directly out.
Recycle-water in the reuse water pot 20 of the present embodiment is continued on for dyeing, dyeing recipe are as follows:
Active red he-7b 5%
Anhydrous sodium sulphate is not added
Soda ash 23g/L
60min is dyed at 80 DEG C, fabric is 40 double pure cotton half-bleached shirtings, bath raio 1:10.
Dyeing effect: color difference Δ E is 0.26, is subjected to, and level-dyeing property is acceptable.
Recycle-water in the present embodiment reuse water pot 20 is continued on for dyeing, dyeing recipe are as follows:
Active yellow SBR 5%
Anhydrous sodium sulphate is not added
Soda ash 23g/L
60min is dyed at 80 DEG C, fabric is 40 double pure cotton half-bleached shirtings, bath raio 1:10.
Dyeing effect: color difference Δ E is 0.55, is subjected to, and level-dyeing property is acceptable.
Above embodiments explanation, the recyclable device of the utility model dyeing residual liquid can be with reuse anhydrous sodium sulphate, while also reducing
The content of total dissolved solid, reduces the processing and reuse difficulty of waste water in waste water.
Claims (10)
1. a kind of recyclable device of dyeing residual liquid, which is characterized in that the recyclable device includes: dyeing residual liquid decoloring equipment, dosing
Equipment and sludge treatment device；
Wherein, the dyeing residual liquid decoloring equipment include the dyeing residual liquid storage tank being sequentially connected, coagulating basin, flocculation basin, sedimentation basin,
Depth decolouring pond, intermediate regulations pond, ultrafiltration pond and reuse water storage tank；
The sludge treatment device includes sludge concentration tank and sludge press filtration pond；
The depth decolouring pond, sedimentation basin and dyeing residual liquid storage tank are connected to the sludge concentration tank respectively.
2. recyclable device according to claim 1, which is characterized in that the medicine machine includes coagulant tank, flocculation aid
Tank, sodium hydroxide tank, dioxygen water pot and sulphuric acid tank.
3. recyclable device according to claim 2, which is characterized in that the coagulant tank is connected to the coagulating basin.
4. recyclable device according to claim 2, which is characterized in that the flocculation aid tank is connected to the flocculation basin.
5. recyclable device according to claim 2, which is characterized in that the sodium hydroxide tank and the depth decolouring pond connect
It is logical.
6. recyclable device according to claim 2, which is characterized in that the dioxygen water pot and the depth decolouring pond connect
It is logical.
7. recyclable device according to claim 2, which is characterized in that the sulphuric acid tank is connected to the intermediate regulations pond.
8. recyclable device according to claim 1, which is characterized in that the sludge press filtration pond and the dyeing residual liquid storage tank
Connection.
9. recyclable device according to claim 1, which is characterized in that the sludge concentration tank and the sludge press filtration pond connect
It is logical.
10. recyclable device according to claim 1, which is characterized in that the coagulating basin, flocculation basin, depth decolouring pond and
Intermediate regulations are provided with blender in pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822266729.XU CN209481354U (en) | 2018-12-29 | 2018-12-29 | A kind of recyclable device of dyeing residual liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822266729.XU CN209481354U (en) | 2018-12-29 | 2018-12-29 | A kind of recyclable device of dyeing residual liquid |
Publications (1)
| Publication Number | Publication Date |
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| CN209481354U true CN209481354U (en) | 2019-10-11 |
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ID=68129537
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822266729.XU Active CN209481354U (en) | 2018-12-29 | 2018-12-29 | A kind of recyclable device of dyeing residual liquid |
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| CN (1) | CN209481354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109467224A (en) * | 2018-12-29 | 2019-03-15 | 广东溢达纺织有限公司 | A kind of recyclable device and method of dyeing residual liquid |
| CN113880289A (en) * | 2021-08-20 | 2022-01-04 | 杭州恒迪环保科技有限公司 | High-concentration dyeing and color-judging sewage treatment process and equipment thereof |
-
2018
- 2018-12-29 CN CN201822266729.XU patent/CN209481354U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109467224A (en) * | 2018-12-29 | 2019-03-15 | 广东溢达纺织有限公司 | A kind of recyclable device and method of dyeing residual liquid |
| CN113880289A (en) * | 2021-08-20 | 2022-01-04 | 杭州恒迪环保科技有限公司 | High-concentration dyeing and color-judging sewage treatment process and equipment thereof |
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