CN213895541U - Industrial pigment waste water recycling processing system - Google Patents
Industrial pigment waste water recycling processing system Download PDFInfo
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- CN213895541U CN213895541U CN202022870763.5U CN202022870763U CN213895541U CN 213895541 U CN213895541 U CN 213895541U CN 202022870763 U CN202022870763 U CN 202022870763U CN 213895541 U CN213895541 U CN 213895541U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The utility model discloses an industrial pigment waste water recycling treatment system, including the equalizing basin that is used for collecting industrial waste water in the industrial production process, the equalizing basin links to each other with indisputable carbon micro electrolysis equipment, hydrolysis anaerobism integration equipment, AO aerobic reactor, active sand filtration equipment, nanofiltration reverse osmosis equipment in proper order, hydrolysis anaerobism integration equipment, AO aerobic reactor still link to each other with sludge dewatering drying equipment, sludge dewatering drying equipment links to each other with mud pyrolysis regeneration facility, mud pyrolysis regeneration facility with indisputable carbon micro electrolysis equipment links to each other; the utility model has the advantages that: the problems of large water consumption, difficult sewage treatment, large sewage discharge amount, unavailable sludge and the like of the traditional industrial enterprises are effectively solved.
Description
Technical Field
The utility model relates to an industrial pigment waste water recycling processing system, specifically speaking are purification and cyclic utilization processing system of produced waste water in the organic pigment production process, belong to sewage utilization equipment field.
Background
With the rapid development of the economy of China, the acceleration of the urbanization construction pace of China, the improvement of the requirements of urban residents on the environmental level, and the convergence and the regionalization of industrial enterprises are the major trends of the current development. The industrial water consumption is also increased in the process, so that the water resource supply is seriously insufficient. The industrial park is used as an accumulation area of production type enterprises, plays a vital role in promoting the development of national and local economy, and simultaneously becomes a pollution source for intensively discharging a large amount of water pollutants. According to the water resource circulation theory, the cyclic utilization of the water resource in the industrial park is an important means for solving the contradiction between supply and demand of the water resource and is a necessary way for realizing the sustainable development of the economy and the society.
The conditions such as the development process, the current situation, the relevant policy standard and the like of the industrial park in China are analyzed to discover that: the water resource recycling of the industrial park is a great trend, the management of the industrial park in the aspect of water resource utilization has advantages, and the reclaimed water recycling and upgrading reformation on the park level can be carried out by utilizing the centralized characteristics of industrial enterprises in the park; the industrial structure in the park is a key factor influencing the water resource recycling strength of the industrial park, but the current ecological industrial park standard does not consider the factor.
In view of the above problems, the water circulation material flow of the specific industry in the industrial park is analyzed, and the relation among all key recycling indexes in the water circulation of the specific industry is identified. The sewage and wastewater resource utilization technology and equipment suitable for the industry are adopted, the pollution discharge problem of a single enterprise in a park is greatly reduced, and a large amount of water resources are saved for the enterprise. The utilization efficiency of water resources of enterprises and the clean production level are improved, and the effects of reducing consumption and improving efficiency are achieved for the development of the enterprises.
Disclosure of Invention
In order to solve the problem, the utility model discloses a to industrial pigment waste water recycling processing system, adopt the factory to carry out cyclic utilization from the discarded object resource, improve the biodegradability of sewage through little electrolysis in earlier stage, the rethread biological method reduces sewage pollutants, filter through the polymer film at last and carry out recycle with clean water resource, make the interior sewage discharge of factory reduce more than 50%, it is big effectively to have avoided traditional industrial enterprise water consumption, sewage treatment is difficult, sewage discharge greatly reaches the unable scheduling problem that utilizes of mud.
The technical scheme of the utility model is that:
the utility model provides an industrial pigment production waste water circulation retrieval and utilization processing system, is including the equalizing basin that is used for collecting industrial production (pigment production) in-process industrial waste water, the equalizing basin links to each other with indisputable carbon micro electrolysis equipment, hydrolysis anaerobism integration equipment, AO aerobic reactor, active sand filtration equipment, the reverse osmosis unit of receiving filtration in proper order, hydrolysis anaerobism integration equipment, AO aerobic reactor still link to each other with sludge dewatering drying equipment, sludge dewatering drying equipment links to each other with mud pyrolysis regeneration facility, mud pyrolysis regeneration facility with indisputable carbon micro electrolysis equipment links to each other.
In addition, the nanofiltration reverse osmosis equipment is connected with a pigment production workshop.
Furthermore, a stirrer is arranged in the adjusting tank, and the wastewater in the pigment production workshop is buffered and adjusted in water quality and water quantity.
Furthermore, the iron-carbon micro-electrolysis equipment is provided with iron-carbon electrolysis fillers, wastewater enters the iron-carbon micro-electrolysis equipment, the biodegradability of the wastewater is improved through the micro-electrolysis oxidation, and the required iron-carbon electrolysis fillers are supplemented by the production of sludge pyrolysis regeneration equipment.
Further, the hydrolysis and anaerobic integrated equipment removes high-concentration organic pollutants in the wastewater. The hydrolysis and anaerobic integrated equipment adopts a pipe point type water distribution device, and water is uniformly distributed by one pipe and one point. Hydrolysis anaerobism integration equipment is equipped with triangle-shaped mouth of a river shape play water collecting device, sets up to the triangle-shaped breach of falling, and sewage can flow in the collecting vat through this triangle-shaped, guarantees the homogeneity that the play water was collected. The hydrolysis and anaerobic integrated equipment adopts an assembled three-phase separator, the material can be PP, stainless steel, glass fiber reinforced plastic and the like, and the effective separation of gas, solid and liquid and the efficient interception of sludge in the hydrolysis and anaerobic integrated equipment are ensured.
Further, the AO aerobic reactor treats the wastewater to meet the pretreatment requirement of the production water in the pigment industry. The AO aerobic reactor is internally provided with a layered micropore aeration device which is of a stacked structure, so that the aeration holes are self-cleaned, the blockage is prevented, the maintenance frequency is reduced, the running is unstable, and the like. And a settling area is arranged at the central position in the AO aerobic reactor to settle and separate sludge, and clear water flows out.
Furthermore, the active sand filtration equipment further removes suspended particles in the wastewater, and ensures the normal operation of subsequent equipment. The active sand filtration equipment is internally filled with quartz sand filler, a sand material gas lifting device is arranged above the quartz sand filler in the active sand filtration equipment, a sand material self-cleaning device is arranged in the active sand filtration equipment, sand particles are lifted to the top end of the self-cleaning equipment through inlet gas at the bottom of the device, and a self-cleaning process is completed through mutual friction of the sand particles.
Furthermore, the nanofiltration reverse osmosis equipment reduces organic pollutants and salt in more than 50% of wastewater to below 60mg/l, and meets the use requirements of production water in the pigment industry for recycling. The nanofiltration reverse osmosis equipment comprises a fine filtration membrane component, a nanofiltration membrane component and a reverse osmosis membrane component, wherein impurities such as small-particle sludge in the sewage are filtered by the fine filtration membrane component, and the dissolved organic pollutants and salts in the sewage are further filtered by the nanofiltration membrane component and the reverse osmosis membrane component. The nanofiltration reverse osmosis equipment is also provided with a high-pressure multistage water pump which is arranged at the front ends of the nanofiltration membrane component and the reverse osmosis membrane component and used for increasing the sewage pressure and ensuring the osmotic pressure of the sewage in the membrane component.
Further, the sludge dewatering and drying equipment reduces the water content of the sludge to below 35%. The sludge dewatering and drying equipment comprises sludge filter-pressing equipment, the sludge filter-pressing equipment is arranged behind a sludge concentration tank, concentrated sludge is discharged into the sludge filter-pressing equipment, sewage is extruded and separated, preliminary sludge dewatering is realized, and the water content of the sludge is reduced to be less than 75% preliminarily. The sludge dewatering and drying equipment comprises low-temperature drying equipment, the low-temperature drying equipment is connected behind the sludge filter-pressing equipment, the primarily dewatered sludge is conveyed to the low-temperature drying equipment, the moisture in the sludge is further removed by adopting hot air exchange, and the moisture content of the sludge is further reduced to be below 35%.
Furthermore, the sludge pyrolysis regeneration equipment is internally provided with a spiral propulsion pipe or a mesh belt conveyor, the sludge is heated in the spiral propulsion pipe or the mesh belt conveyor through electricity, magnetism, natural gas and the like, and the sludge is subjected to high-temperature thermochemical decomposition, so that the sludge is converted and regenerated into a mixture containing a large amount of iron and carbon powder and is used as a filler of iron-carbon micro-electrolysis equipment in the industrial sewage treatment process.
The working principle is as follows: the waste water produced in the pigment production process enters the regulating tank after being collected, and the characteristics of the waste water are stabilized within a certain range after the water quantity and the water quality are regulated, so that the subsequent treatment is convenient. And pumping the wastewater into the iron-carbon micro-electrolysis equipment from the regulating reservoir, removing chromaticity and suspended matters in the wastewater, further improving the biodegradability of the wastewater, and subsequently entering hydrolysis-anaerobic integrated equipment. Through the high-efficient obvious pipe point formula water distribution mode, strengthen the flow state stability and the homogeneity of waste water treatment greatly, can make organic pollutant in the waste water reduce more than 50%. The wastewater enters the AO aerobic reactor after passing through the hydrolysis and anaerobic integrated equipment, the symbiosis of various microbial thalli such as anaerobic, facultative, aerobic and the like is realized in the reactor, the cooperative treatment effect among different microorganisms is fully exerted, so that organic pollutants which are difficult to be biodegraded in the wastewater can be mostly removed, the biochemical indexes such as COD, BOD, ammonia nitrogen and the like in the wastewater are further reduced, and the pretreatment requirement of the production water in the pigment industry is met. And the sludge generated by the hydrolysis and anaerobic integrated equipment and the AO aerobic reactor is dehydrated and dried and then is subjected to high-temperature pyrolysis treatment, and the obtained residue containing the iron and carbon powder can be used in iron-carbon micro-electrolysis equipment.
The utility model has the advantages that:
(1) the method aims at recycling the production wastewater in the pigment industry, reduces the additional water consumption of the pigment and can greatly reduce the treatment and discharge cost of the wastewater produced in the pigment production process.
(2) The utility model discloses a give first place to with biochemical treatment, the processing mode that materialization and biochemistry combined together to lower processing working costs has solved the problem that pigment trade waste water handled and discharged. Simultaneously, more than half of produced wastewater is recycled into the pigment production process in the form of water resources, so that the enterprise is further promoted to realize the conversion from the industry to resource-saving enterprises.
(3) The utility model discloses to the produced mud of pigment waste water, adopt high temperature pyrolysis treatment facility, carry out regeneration with elements such as iron and carbon in original mud, further reduced the treatment cost of waste water.
The present invention will be further explained with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic structural view of a system for recycling and treating industrial pigment production wastewater according to an embodiment of the present invention.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is not intended to limit the invention.
Example 1
As shown in figure 1, an industrial pigment production wastewater recycling treatment system, including the equalizing basin that is arranged in collecting industrial production (pigment production) in-process industrial wastewater, the equalizing basin links to each other with indisputable carbon micro electrolysis equipment, hydrolysis anaerobism integration equipment, AO aerobic reactor, active sand filtration equipment, nanofiltration reverse osmosis equipment in proper order, hydrolysis anaerobism integration equipment, AO aerobic reactor still link to each other with sludge dewatering drying equipment, sludge dewatering drying equipment links to each other with mud pyrolysis regeneration facility, mud pyrolysis regeneration facility with indisputable carbon micro electrolysis equipment links to each other.
In addition, the nanofiltration reverse osmosis equipment is connected with a pigment production workshop.
Furthermore, a stirrer is arranged in the adjusting tank, and the wastewater in the pigment production workshop is buffered and adjusted in water quality and water quantity.
Furthermore, the iron-carbon micro-electrolysis equipment is provided with iron-carbon electrolysis fillers, wastewater enters the iron-carbon micro-electrolysis equipment, the biodegradability of the wastewater is improved through the micro-electrolysis oxidation, and the required iron-carbon electrolysis fillers are supplemented by the production of sludge pyrolysis regeneration equipment.
Further, the hydrolysis and anaerobic integrated equipment removes high-concentration organic pollutants in the wastewater. The hydrolysis and anaerobic integrated equipment adopts a pipe point type water distribution device, and water is uniformly distributed by one pipe and one point. Hydrolysis anaerobism integration equipment is equipped with triangle-shaped mouth of a river shape play water collecting device, sets up to the triangle-shaped breach of falling, and sewage can flow in the collecting vat through this triangle-shaped, guarantees the homogeneity that the play water was collected. The hydrolysis and anaerobic integrated equipment adopts an assembled three-phase separator, the material can be PP, stainless steel, glass fiber reinforced plastic and the like, and the effective separation of gas, solid and liquid and the efficient interception of sludge in the hydrolysis and anaerobic integrated equipment are ensured.
Further, the AO aerobic reactor treats the wastewater to meet the pretreatment requirement of the production water in the pigment industry. The AO aerobic reactor is internally provided with a layered micropore aeration device which is of a stacked structure, so that the aeration holes are self-cleaned, the blockage is prevented, the maintenance frequency is reduced, the running is unstable, and the like. And a settling area is arranged at the central position in the AO aerobic reactor to settle and separate sludge, and clear water flows out.
Furthermore, the active sand filtration equipment further removes suspended particles in the wastewater, and ensures the normal operation of subsequent equipment. The active sand filtration equipment is internally filled with quartz sand filler, a sand material gas lifting device is arranged above the quartz sand filler in the active sand filtration equipment, a sand material self-cleaning device is arranged in the active sand filtration equipment, sand particles are lifted to the top end of the self-cleaning equipment through inlet gas at the bottom of the device, and a self-cleaning process is completed through mutual friction of the sand particles.
Furthermore, the nanofiltration reverse osmosis equipment reduces organic pollutants and salt in more than 50% of wastewater to below 60mg/l, and meets the use requirements of production water in the pigment industry for recycling. The nanofiltration reverse osmosis equipment comprises a fine filtration membrane component, a nanofiltration membrane component and a reverse osmosis membrane component, wherein impurities such as small-particle sludge in the sewage are filtered by the fine filtration membrane component, and the dissolved organic pollutants and salts in the sewage are further filtered by the nanofiltration membrane component and the reverse osmosis membrane component. The nanofiltration reverse osmosis equipment is also provided with a high-pressure multistage water pump which is arranged at the front ends of the nanofiltration membrane component and the reverse osmosis membrane component and used for increasing the sewage pressure and ensuring the osmotic pressure of the sewage in the membrane component.
Further, the sludge dewatering and drying equipment reduces the water content of the sludge to below 35%. The sludge dewatering and drying equipment comprises sludge filter-pressing equipment, the sludge filter-pressing equipment is arranged behind a sludge concentration tank, concentrated sludge is discharged into the sludge filter-pressing equipment, sewage is extruded and separated, preliminary sludge dewatering is realized, and the water content of the sludge is reduced to be less than 75% preliminarily. The sludge dewatering and drying equipment comprises low-temperature drying equipment, the low-temperature drying equipment is connected behind the sludge filter-pressing equipment, the primarily dewatered sludge is conveyed to the low-temperature drying equipment, the moisture in the sludge is further removed by adopting hot air exchange, and the moisture content of the sludge is further reduced to be below 35%.
Furthermore, the sludge pyrolysis regeneration equipment is internally provided with a spiral propulsion pipe or a mesh belt conveyor, the sludge is heated in the spiral propulsion pipe or the mesh belt conveyor through electricity, magnetism, natural gas and the like, and the sludge is subjected to high-temperature thermochemical decomposition, so that the sludge is converted and regenerated into a mixture containing a large amount of iron and carbon powder and is used as a filler of iron-carbon micro-electrolysis equipment in the industrial sewage treatment process.
The working principle is as follows: the waste water produced in the pigment production process enters the regulating tank after being collected, and the characteristics of the waste water are stabilized within a certain range after the water quantity and the water quality are regulated, so that the subsequent treatment is convenient. And pumping the wastewater into the iron-carbon micro-electrolysis equipment from the regulating reservoir, removing chromaticity and suspended matters in the wastewater, further improving the biodegradability of the wastewater, and subsequently entering hydrolysis-anaerobic integrated equipment. Through the high-efficient obvious pipe point formula water distribution mode, strengthen the flow state stability and the homogeneity of waste water treatment greatly, can make organic pollutant in the waste water reduce more than 50%. The wastewater enters the AO aerobic reactor after passing through the hydrolysis and anaerobic integrated equipment, the symbiosis of various microbial thalli such as anaerobic, facultative, aerobic and the like is realized in the reactor, the cooperative treatment effect among different microorganisms is fully exerted, so that organic pollutants which are difficult to be biodegraded in the wastewater can be mostly removed, the biochemical indexes such as COD, BOD, ammonia nitrogen and the like in the wastewater are further reduced, and the pretreatment requirement of the production water in the pigment industry is met. And the sludge generated by the hydrolysis and anaerobic integrated equipment and the AO aerobic reactor is dehydrated and dried and then is subjected to high-temperature pyrolysis treatment, and the obtained residue containing the iron and carbon powder can be used in iron-carbon micro-electrolysis equipment.
Claims (10)
1. The utility model provides an industrial pigment waste water circulation retrieval and utilization processing system which characterized in that: including the equalizing basin that is arranged in collecting industrial waste water among the industrial production process, the equalizing basin links to each other with indisputable carbon micro electrolysis equipment, hydrolysis anaerobism integration equipment, AO aerobic reaction ware, active sand filtration equipment, the reverse osmosis unit of receiving to strain in proper order, hydrolysis anaerobism integration equipment, AO aerobic reaction ware still link to each other with sludge dewatering drying equipment, sludge dewatering drying equipment links to each other with mud pyrolysis regeneration facility, mud pyrolysis regeneration facility with indisputable carbon micro electrolysis equipment links to each other.
2. The industrial pigment production wastewater recycling treatment system according to claim 1, characterized in that: the nanofiltration reverse osmosis equipment is connected with a pigment production workshop.
3. The industrial pigment production wastewater recycling treatment system according to claim 1, characterized in that: and a stirrer is arranged in the regulating tank.
4. The industrial pigment production wastewater recycling treatment system according to claim 1, characterized in that: the iron-carbon micro-electrolysis equipment is provided with iron-carbon electrolysis fillers.
5. The industrial pigment production wastewater recycling treatment system according to claim 1, characterized in that: the hydrolysis and anaerobic integrated equipment adopts a pipe point type water distribution device, and water is uniformly distributed by one pipe and one point.
6. The industrial pigment production wastewater recycling treatment system according to claim 1, characterized in that: a layered micropore aeration device is arranged in the AO aerobic reactor and is of a stacked structure; and a settling zone is arranged at the central position in the AO aerobic reactor.
7. The industrial pigment production wastewater recycling treatment system according to claim 1, characterized in that: the active sand filtration equipment is internally filled with quartz sand filler, a sand material gas lifting device is arranged above the quartz sand filler inside the active sand filtration equipment, and a sand material self-cleaning device is arranged inside the active sand filtration equipment.
8. The industrial pigment production wastewater recycling treatment system according to claim 1, characterized in that: the nanofiltration reverse osmosis equipment comprises a fine filtration membrane component, a nanofiltration membrane component and a reverse osmosis membrane component; the nanofiltration reverse osmosis equipment is also provided with a high-pressure multistage water pump which is arranged at the front ends of the nanofiltration membrane component and the reverse osmosis membrane component.
9. The industrial pigment production wastewater recycling treatment system according to claim 1, characterized in that: the sludge dewatering and drying equipment comprises sludge filter-pressing equipment which is arranged behind the sludge concentration tank; the sludge dewatering and drying equipment comprises low-temperature drying equipment which is connected behind sludge filter pressing equipment.
10. The industrial pigment production wastewater recycling treatment system according to claim 9, characterized in that: and a spiral propelling pipe or a mesh belt conveyor is arranged in the sludge pyrolysis regeneration equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022870763.5U CN213895541U (en) | 2020-12-04 | 2020-12-04 | Industrial pigment waste water recycling processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022870763.5U CN213895541U (en) | 2020-12-04 | 2020-12-04 | Industrial pigment waste water recycling processing system |
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| Publication Number | Publication Date |
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| CN213895541U true CN213895541U (en) | 2021-08-06 |
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| CN202022870763.5U Active CN213895541U (en) | 2020-12-04 | 2020-12-04 | Industrial pigment waste water recycling processing system |
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