CN219297277U - Printing and dyeing wastewater high-efficiency biochemical treatment system - Google Patents
Printing and dyeing wastewater high-efficiency biochemical treatment system Download PDFInfo
- Publication number
- CN219297277U CN219297277U CN202320257763.9U CN202320257763U CN219297277U CN 219297277 U CN219297277 U CN 219297277U CN 202320257763 U CN202320257763 U CN 202320257763U CN 219297277 U CN219297277 U CN 219297277U
- Authority
- CN
- China
- Prior art keywords
- water
- sbr
- uasb
- anaerobic
- printing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model discloses a printing and dyeing wastewater high-efficiency biochemical treatment system, which comprises a UASB anaerobic system and an SBR system, wherein the UASB anaerobic system comprises a UASB reaction system, a water inlet distribution system and a treated water discharge system; the UASB reaction system comprises a reactor, a three-phase separator, a gas-water separator, a water sealed tank, an anaerobic sludge pump, a water distribution pipe and an external heat preservation part, wherein the three-phase separator comprises a precipitation zone, a backflow seam and a gas seal; the SBR system comprises an SBR reaction tank, wherein the SBR reaction tank comprises a water inlet and outlet system, an aeration system, a stirring system, a decanter and a sludge discharge system, the aeration system comprises a self-priming jet pump and a matched fan air pipe, and the sludge discharge system is connected with the UASB anaerobic system; along with the culture of anaerobic bacteria in the UASB anaerobic system, the decolorization rate and the biodegradability are high; compared with the traditional blast aeration, the SBR system adopts jet aeration, has high efficiency, energy conservation, convenient maintenance and long service life; sludge generated by the SBR system is returned to the UASB anaerobic system for digestion, so that the residual sludge discharge of the whole system can be reduced, and the cost is lower.
Description
Technical Field
The utility model relates to the technical field of printing and dyeing wastewater treatment, in particular to a high-efficiency biochemical treatment system for printing and dyeing wastewater.
Background
The printing and dyeing wastewater is wastewater discharged from a printing and dyeing mill mainly used for processing cotton, hemp and chemical fiber and blended products thereof. According to incomplete statistics, 1 ton of textile is consumed 100-200 tons of water per printing and dyeing process, 80-90% of the water is waste water, and daily discharge of national printing and dyeing waste water is 3X 10 6 ～4×10 6 m 3 . In general, the textile printing and dyeing wastewater contains dye, slurry, auxiliary agent, oiling agent, acid-base, fiber impurities, sand substances, inorganic salt and other components, has the characteristics of large water quantity, high organic pollutant content, large alkalinity, large water quality change and the like, and belongs to one of industrial wastewater difficult to treat.
Along with the increasing strictness of the current wastewater discharge standard, the combined process becomes a main measure for achieving the wastewater discharge standard, and the biological method is still a main unit in the combined process with the economic and effective advantages. Biological treatment processes such as hydrolytic acidification or anaerobic, anoxic and aerobic or combinations thereof have become effective processes for removing organic matters, decoloring and eliminating toxicity of printing and dyeing wastewater.
Aiming at the characteristics of high organic matter content, deep chromaticity and poor biodegradability of printing and dyeing wastewater, a biochemical treatment system is needed, which can be efficient and energy-saving, is convenient to maintain, has long service life, reduces the residual sludge discharge of the whole system and reduces the cost on the basis of improving the wastewater treatment decoloration rate and the biodegradability.
Disclosure of Invention
The utility model aims to provide a high-efficiency biochemical treatment system for printing and dyeing wastewater, which can efficiently save energy, is convenient to maintain and has long service life, and meanwhile, the residual sludge discharge of the whole system is reduced, and the cost is reduced on the basis of improving the wastewater treatment decoloration rate and biodegradability.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the efficient biochemical treatment system for the printing and dyeing wastewater comprises a UASB anaerobic system and an SBR system, wherein the UASB anaerobic system comprises a UASB reaction system, a water inlet distribution system and a treated water discharge system; the UASB reaction system comprises a reactor, a three-phase separator, a gas-water separator, a water-sealed tank, an anaerobic sludge pump, a water distribution pipe and an external heat preservation part, wherein the three-phase separator is arranged at the upper end of the reactor, the gas-water separator and the water-sealed tank are arranged at the upper end of the three-phase separator, and the anaerobic sludge pump is positioned at the bottom end of the reactor; the three-phase separator comprises a precipitation area, a backflow seam and an air seal; the SBR system comprises an SBR reaction tank, wherein the SBR reaction tank comprises a water inlet and outlet system, an aeration system, a stirring system, a decanter and a sludge discharge system, the aeration system comprises a self-priming jet pump and a matched fan air pipe, and the sludge discharge system is connected with a UASB anaerobic system; the UASB anaerobic system utilizes high-efficiency granular sludge strains to hydrolyze, acidify and methanation organic matters, reduces the concentration of pollutants, decomposes macromolecular organic matters into micromolecular organic matters, improves the biodegradability of sewage, and integrates functions of homogenization, primary sedimentation, biodegradation, secondary sedimentation and the like into one tank.
Preferably, the water inlet distribution system comprises a water inlet pipeline, an internal circulation pipeline and a sampling pipeline, wherein a self-priming pump is arranged on the water pipeline, and the precipitated water of the reactor is pumped into the reactor from bottom to top; a centrifugal pump is arranged on the inner circulation pipeline, and sewage at the upper part is pumped into the lower part, so that the purpose of mixing materials is achieved; the sampling pipelines are respectively provided with outlets according to different water level heights in the reactor, and water is discharged from the bottom.
Preferably, the internal circulation line further comprises a steam mixer to allow access to the steam pipe to accelerate the effect of the anaerobic reaction.
Preferably, the UASB reaction system further comprises a water supplementing pipe and a methane collecting and evacuating pipeline.
Preferably, the treated water discharge system comprises a water outlet pipeline and a mud discharge pipeline, and the water outlet pipeline is provided with a water outlet weir groove.
Preferably, the sludge discharge system comprises a sludge return pump.
Compared with the prior art, the utility model has the beneficial effects that: the high-efficiency biochemical treatment system of the printing and dyeing wastewater has high decoloring rate and biodegradability along with the culture of anaerobic bacteria in a UASB anaerobic system; compared with the traditional blast aeration, the SBR system adopts jet aeration, has high efficiency, energy conservation, convenient maintenance and long service life; sludge generated by the SBR system is returned to the UASB anaerobic system for digestion, so that the residual sludge discharge of the whole system can be reduced, and the cost is lower.
Drawings
FIG. 1 is a flow chart of a high-efficiency biochemical treatment system for printing and dyeing wastewater.
In the figure
| 1 | Reactor for producing a |
| 2 | Three-phase separator |
| 3 | Gas-water separator |
| 4 | Water sealed tank |
| 5 | Water outlet weir groove |
| 6 | Steam mixer |
| 7 | |
| 8 | Outlet port |
| 9 | Sludge reflux pump |
| 10 | Self- |
| 11 | |
| 12 | Water decanter |
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1, a high-efficiency biochemical treatment system for printing and dyeing wastewater comprises a UASB anaerobic system and an SBR system, wherein the UASB anaerobic system is used for carrying out hydrolysis, acidification and methanation on organic matters by high-efficiency granular sludge strains along with the culture of anaerobic bacteria, so that the concentration of pollutants is reduced, meanwhile, macromolecular organic matters are decomposed into micromolecular organic matters, the decolorization rate and biodegradability of sewage are improved, an SBR reaction tank is integrated with functions of homogenization, primary sedimentation, biodegradation, secondary sedimentation and the like into one tank, and the UASB anaerobic system comprises a UASB reaction system, a water inlet distribution system and a treated water discharge system; the UASB reaction system comprises a reactor 1, a three-phase separator 2, a gas-water separator 3, a water seal tank 4, an anaerobic sludge pump 7, a water distribution pipe and an external heat preservation part, wherein the three-phase separator is arranged at the upper end of the reactor, the gas-water separator and the water seal tank are arranged at the upper end of the three-phase separator, and the anaerobic sludge pump is positioned at the bottom end of the reactor; the three-phase separator comprises a precipitation area, a backflow seam and an air seal; the SBR system comprises an SBR reaction tank, wherein the SBR reaction tank comprises a water inlet and outlet system, an aeration system, a stirring system 11, a decanter 12 and a sludge discharge system, the aeration system comprises a self-priming jet pump 10 and a matched fan air pipe, and the sludge discharge system is connected with a UASB anaerobic system; the treated water discharge system is connected to a decanter 12 of the SBR system.
Example two
Referring to fig. 1, a high-efficiency biochemical treatment system for printing and dyeing wastewater comprises a UASB anaerobic system and an SBR system, wherein the UASB anaerobic system comprises a UASB reaction system, a water inlet distribution system and a treated water discharge system; the UASB reaction system comprises a reactor 1, a three-phase separator 2, a gas-water separator 3, a water sealed tank 4, an anaerobic sludge pump 7, a water distribution pipe and an external heat preservation part, wherein the reactor 1 is made of carbon steel anti-corrosion materials, and a circular tank body can be selected; the three-phase separator 2 is arranged at the upper end of the reactor 1, the gas-water separator 3 and the water-sealed tank 4 are arranged at the upper end of the three-phase separator 2, the three-phase separator 2 comprises a sedimentation area, a backflow seam and a gas seal, and the three phases of methane, sludge and wastewater of the system are separated; the water sealed tank 4 is used for collecting the biogas after three-phase separation, the anaerobic sludge pump 7 is positioned at the bottom end of the reactor 1, and the anaerobic sludge pump 7 is connected to the sludge treatment system; the water inlet distribution system comprises a water inlet pipeline, an internal circulation pipeline and a sampling pipeline; a self-priming pump is arranged on the water pipeline, and the precipitated water of the reactor is pumped into the reactor from bottom to top; a centrifugal pump is arranged on the inner circulation pipeline, and sewage at the upper part is pumped into the lower part, so that the purpose of mixing materials is achieved; the internal circulation pipeline also comprises a steam mixer 6 so as to be connected into the steam pipe to accelerate the anaerobic reaction; an outlet 8 is arranged on the sampling pipeline root and is used for sampling; the UASB reaction system also comprises a water supplementing pipe and a methane collecting and evacuating pipeline; the treated water discharge system comprises a water outlet pipeline and a mud discharge pipeline, and the water outlet pipeline is provided with a water outlet weir groove 5; the reactor 1 can be provided with a flowmeter, a liquid level meter, a thermometer and a pH meter according to requirements, the SBR system comprises an SBR reaction tank, the SBR reaction tank comprises a water inlet and outlet system, an aeration system, a stirring system 11, a decanter 12 and a sludge discharge system, the aeration system comprises a self-priming jet pump 10 and a matched fan air pipe, and the sludge discharge system is connected with a UASB anaerobic system; the treated water discharge system is connected with the decanter 12 of the SBR system, and the self-priming jet pump 10 is used for oxygenation and aeration, so that compared with the traditional blast aeration, the treated water discharge system is efficient and energy-saving, convenient to maintain and long in service life; the decanter 12 decants the clarified water from the surface of the stationary tank without stirring the sediment, ensures the effect of effluent quality, can connect a plurality of SBR reaction tanks, and has wide applicability; the sludge discharge system comprises a sludge reflux pump 9, and the sludge reflux pump 9 pumps the residual activated sludge back to the UASB anaerobic system, so that the residual sludge discharge amount of the whole system can be reduced, and the cost is lower.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A high-efficiency biochemical treatment system for printing and dyeing wastewater is characterized by comprising a UASB anaerobic system and an SBR system,
the UASB anaerobic system comprises a UASB reaction system, a water inlet distribution system and a treated water discharge system;
the UASB reaction system comprises a reactor (1), a three-phase separator (2), a gas-water separator (3), a water seal tank (4), an anaerobic sludge pump (7), a water distribution pipe and an external heat preservation part, wherein the three-phase separator is arranged at the upper end of the reactor, the gas-water separator and the water seal tank are arranged at the upper end of the three-phase separator, and the anaerobic sludge pump is positioned at the bottom end of the reactor;
the three-phase separator comprises a precipitation area, a backflow seam and an air seal;
the SBR system comprises an SBR reaction tank, wherein the SBR reaction tank comprises a water inlet and outlet system, an aeration system, a stirring system (11), a water decanter (12) and a sludge discharge system, the aeration system comprises a self-priming jet pump (10) and a matched fan air pipe, and the sludge discharge system is connected with a UASB anaerobic system;
the treated water discharge system is connected with a decanter (12) of the SBR system.
2. The high-efficiency biochemical treatment system for printing and dyeing wastewater according to claim 1, wherein: the water inlet and distribution system comprises a water inlet pipeline, an internal circulation pipeline and a sampling pipeline,
a self-priming pump is arranged on the water pipeline, and the precipitated water of the reactor is pumped into the reactor from bottom to top;
a centrifugal pump is arranged on the inner circulation pipeline and used for pumping the sewage at the upper part into the lower part;
and an outlet (8) is arranged on the sampling pipe line.
3. The high-efficiency biochemical treatment system for printing and dyeing wastewater according to claim 2, wherein: the internal circulation line further comprises a steam mixer (6).
4. The high-efficiency biochemical treatment system for printing and dyeing wastewater according to claim 1, wherein: the UASB reaction system also comprises a water supplementing pipe and a methane collecting and evacuating pipeline.
5. The high-efficiency biochemical treatment system for printing and dyeing wastewater according to claim 1, wherein: the treated water discharge system comprises a water outlet pipeline and a mud discharge pipeline, and a water outlet weir groove (5) is arranged on the water outlet pipeline.
6. The high-efficiency biochemical treatment system for printing and dyeing wastewater according to claim 1, wherein: the sludge discharge system comprises a sludge reflux pump (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320257763.9U CN219297277U (en) | 2023-02-20 | 2023-02-20 | Printing and dyeing wastewater high-efficiency biochemical treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320257763.9U CN219297277U (en) | 2023-02-20 | 2023-02-20 | Printing and dyeing wastewater high-efficiency biochemical treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219297277U true CN219297277U (en) | 2023-07-04 |
Family
ID=86952443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320257763.9U Active CN219297277U (en) | 2023-02-20 | 2023-02-20 | Printing and dyeing wastewater high-efficiency biochemical treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219297277U (en) |
-
2023
- 2023-02-20 CN CN202320257763.9U patent/CN219297277U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201033757Y (en) | Sewage water treatment system for fruit juice waste water | |
| CN204111542U (en) | A kind of novel dyeing waste water biochemical treatment apparatus | |
| CN111925064A (en) | Treatment process method of oily wastewater of metal cutting fluid | |
| CN109133473B (en) | Harmless treatment and recycling method for production wastewater of quick-frozen food | |
| CN205294959U (en) | Uasb reactor | |
| CN103771655B (en) | A kind for the treatment of process of cellulose alcoholic fermentation waste liquid | |
| CN219297277U (en) | Printing and dyeing wastewater high-efficiency biochemical treatment system | |
| CN219194742U (en) | Low-energy-consumption sewage treatment system | |
| CN104163549A (en) | Treatment technique of batik dyeing wastewater | |
| CN208136048U (en) | A kind of vegetables juicing waste water treatment system | |
| CN208829505U (en) | After-treatment system of the Fine Chemistry Wastewater after MVR distills | |
| CN207121472U (en) | A kind of aerobic integrated sewage-treating reactor device of internal circulating anaerobic | |
| CN216236438U (en) | Pretreatment system for garbage extrusion leachate | |
| CN1325402C (en) | Printing and dyeing waste water disposal process | |
| CN209065691U (en) | A kind of chemical fiber waste water depth recycling processing system | |
| CN201990572U (en) | Trimethylolpropane and butanol industrial sewage mixing treatment and purification system | |
| CN221235445U (en) | Pig manure fermentation biogas slurry advanced treatment system | |
| CN220098817U (en) | Pesticide wastewater treatment system | |
| CN204727726U (en) | A kind of pesticide wastewater biological treatment combination unit | |
| CN215975455U (en) | Biological treatment system for sewage | |
| CN219507797U (en) | Biogas treatment device | |
| CN219585934U (en) | Plant protein beverage production wastewater treatment system | |
| CN1049409C (en) | Synchronous intensified jet method of biological dephenolized mud mixed nutrient sewage | |
| CN218478634U (en) | Wood working effluent disposal system | |
| CN211311243U (en) | Ramie wastewater treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |