CN211005005U - Coating circulating water purification treatment system - Google Patents

Coating circulating water purification treatment system Download PDF

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Publication number
CN211005005U
CN211005005U CN201921903558.5U CN201921903558U CN211005005U CN 211005005 U CN211005005 U CN 211005005U CN 201921903558 U CN201921903558 U CN 201921903558U CN 211005005 U CN211005005 U CN 211005005U
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tank
circulating water
input
paint
output
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CN201921903558.5U
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吴芝龙
刘晓峰
罗潇
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Qinhuangdao Qiaohao Environmental Protection Technology Co ltd
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Qinhuangdao Qiaohao Environmental Protection Technology Co ltd
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Abstract

The utility model discloses a coating circulating water purification treatment system, include: the system comprises a circulating water tank, a first reaction tank, a second reaction tank, a sedimentation tank, a paint slag biochemical unit, a paint slag collecting tank and a filter press; the circulating water tank is sequentially connected with the input ends of the first reaction tank, the second reaction tank and the sedimentation tank, and the first output end of the sedimentation tank is connected with the circulating water tank; and a second output end of the sedimentation tank is sequentially connected with the paint slag biochemical unit, the paint slag collecting tank and the input end of the filter press, and the output end of the filter press is connected with the circulating water tank. The utility model discloses a to the transformation that spray booth itself hydrologic cycle purified and increase new purification unit equipment, effectively solved the emission problem of spraying waste water, can also reduce solid waste volume 70% -80%, thoroughly solved the high-priced expense problem when handling high concentration organic waste water and hazardous waste.

Description

Coating circulating water purification treatment system
Technical Field
The utility model relates to a sewage treatment device technical field, more specifically the coating circulating water purification treatment system that says so relates to.
Background
The coating is an important link in the modern product manufacturing process, the rust resistance and the corrosion resistance of the product can be obviously improved through the coating, and meanwhile, the coating can play a role in decoration, so that the product has extremely good luster and distinctness of image and brings beautiful visual perception to people, thereby becoming one of important aspects of the overall quality guarantee of the product.
However, with the rapid development of the coating industry, the three major problems of environmental protection are more and more severe. Firstly, the equipment maintenance outage rate is high, the time for equipment maintenance and cleaning of a slagging pool is too long, the cleaning labor consumption is large, and the cleaned waste water and solid waste amount are large; secondly, the amount of high-concentration organic wastewater is large, the COD treatment time is too long, and the treatment cost is too high; thirdly, the water content of the paint slag is too high, the produced amount is large, the treatment cost is high, and the environmental protection standard is high. The treatment of coating wastewater becomes a major problem in the current sewage treatment project and is to be solved urgently.
Therefore, how to provide a fast, efficient and environment-friendly coating circulating water purification treatment system is a problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Through the transformation of the water circulation purification of the spray booth and the addition of new purification unit equipment, the problem of discharge of spraying wastewater is effectively solved, the solid waste amount can be reduced by 70-80%, and the problem of high cost in the treatment of high-concentration organic wastewater and hazardous wastes is thoroughly solved.
Therefore, the utility model aims at providing a coating circulating water purification treatment system, include: the system comprises a circulating water tank, a first reaction tank, a second reaction tank, a sedimentation tank, a paint slag biochemical unit, a paint slag collecting tank and a filter press;
The circulating water tank is sequentially connected with the input ends of the first reaction tank, the second reaction tank and the sedimentation tank, and the first output end of the sedimentation tank is connected with the circulating water tank;
And the second output end of the sedimentation tank is sequentially connected with the paint slag biochemical unit, the paint slag collecting tank and the input end of the filter press, and the output end of the filter press is connected with the circulating water tank.
The invention has the beneficial effects that:
Further, still include: and the input end of the circulating water lifting pump is connected with the circulating water pool, and the output end of the circulating water lifting pump is connected with the input end of the first reaction pool.
Adopt above-mentioned further beneficial effect to lie in, the circulating water elevator pump is used for carrying pending sewage to first reaction tank, then thoughtlessly congeals with the medicament, flocculation, precipitation reaction.
Further, still include: and the input end of the collecting pump is connected with the second output end of the sedimentation tank, and the output end of the collecting pump is connected with the input end of the paint slag biochemical unit.
The paint slag collecting device has the further beneficial effects that the collecting pump is used for forcibly conveying the paint slag precipitated in the sedimentation tank to the biochemical unit for aerobic biochemical reaction.
Further, still include: and the input end of the pneumatic diaphragm pump is connected with the output end of the paint slag collecting tank, and the output end of the pneumatic diaphragm pump is connected with the input end of the filter press.
Adopt above-mentioned further beneficial effect to lie in, pneumatic diaphragm pump is used for carrying the lacquer sediment in the lacquer sediment holding vessel to the pressure filter, carries out the filter-pressing dehydration.
Further, still include: the device comprises a pH regulator device, a viscosity breaking device and a water quality clarifier device, wherein the pH regulator device, the viscosity breaking device and the water quality clarifier device are sequentially connected with the input end of the first reaction tank.
Adopt above-mentioned further beneficial effect to lie in, pH adjusting agent device is arranged in carrying out pH adjusting agent in the sewage that thoughtlessly congeals to first reaction tank, and the breaker device is arranged in carrying out the sewage that thoughtlessly congeals to first reaction tank and adds broken binder, and quality of water clarifier device is arranged in adding the quality of water clarifier to the sewage that thoughtlessly congeals in first reaction tank.
Further, still include: and the precipitant device is connected with the input end of the second reaction tank.
The method has the further advantage that the precipitant device is used for adding precipitant into the second reaction tank.
Further, still include: and the oxidant device is connected with the first output end of the sedimentation tank.
A further advantage with the above is that the oxidant means is used to add oxidant to the second reaction cell.
Further, still include: and the air blower is connected with the circulating water tank.
The air blower is used for conveying air to the circulating water tank for aeration and stirring.
The working principle is as follows:
(1) An air blower is used for carrying out aeration stirring on the circulating water tank, so that paint sludge sediment after the circulating water tank is broken and sticky is avoided;
(2) Conveying circulating water containing sludge to a first reaction tank through a circulating water lift pump, stirring, adding a pH regulator to adjust the pH of the water, and simultaneously adding a viscosity breaking agent and a clarifying agent to enable the water with non-viscous glue feather and flocculated glue feather to be clearer;
(3) Circulating water coagulated by the first reaction tank overflows to a second reaction tank for continuous stirring, and a precipitator is added to flocculate fine particles into larger colloidal-feather-shaped precipitates, so that the subsequent separation of paint water is facilitated;
(4) The circulating water precipitated by the second reaction tank overflows to a precipitation tank again, and the sludge and the water are quickly separated;
(5) The separated clear water returns to the circulating water tank through overflow, and an oxidant is added in the process of backflow;
(6) The sediment sludge is conveyed to a paint residue biochemical unit at regular time through a collecting pump for contact oxidation treatment after being precipitated, and a biological flocculant is properly added, so that paint residues with poor de-adhesion can be effectively de-adhered and biologically decomposed better in the microbial contact oxidation process, and the problem of poor dehydration caused by water-in-oil during paint residue dehydration is solved;
(7) The paint slag enters a paint slag collecting tank after being subjected to oxidation reduction decrement treatment by a paint slag biochemical unit, the paint slag is directly conveyed to a filter press by a pneumatic diaphragm pump after being precipitated, a filter-pressed paint slag cake is conveyed to waste treatment, and a filter-pressed liquid overflows into a circulating water tank.
Can know via foretell technical scheme, compare with prior art, the utility model discloses a coating circulating water purification treatment system, beneficial effect as follows:
1. Waste water: the treated water is clear and has no peculiar smell, can be recycled for a long time without deterioration, has zero emission, and reduces the subsequent treatment cost of high-concentration organic wastewater and the cost of maintaining and replacing water in a slagging pond;
2. Waste residues: the dehydration amount of the treated paint slag hazardous waste is reduced by 70-80%, the subsequent treatment cost is reduced, and the monitoring and the inspection of the solid hazardous waste by an environmental protection department are avoided;
3. Equipment: the slag making tank has no sediment, the maintenance is simple and easy, the production efficiency is improved, the tank bottom has no sediment, the drainage and cleaning are not needed, and the maintenance time and the labor cost are saved; the equipment automation and humanization degree are high, the operation is simple, and the personnel errors are reduced; the equipment is clean and tidy on site, no pungent smell is generated when water is used, and paint residues are debonded and dehydrated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a coating circulating water purification treatment system provided by the utility model.
The system comprises a circulating water tank 1, a first reaction tank 2, a second reaction tank 3, a sedimentation tank 4, a paint slag biochemical unit 5, a paint slag collecting tank 6, a filter press 7, an air blower 8, a circulating water lifting pump 9, a collecting pump 10, a pneumatic diaphragm pump 11, a pH regulator 21, a viscosity breaker 22, a water quality clarifier 23, a precipitator 31 and an oxidant 41.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The embodiment of the utility model discloses application circulating water purification treatment system, as shown in figure 1, include: the system comprises a circulating water tank 1, a first reaction tank 2, a second reaction tank 3, a sedimentation tank 4, a paint slag biochemical unit 5, a paint slag collecting tank 6 and a filter press 7; the circulating water tank 1 is sequentially connected with the input ends of the first reaction tank 2, the second reaction tank 3 and the sedimentation tank 4, and the first output end of the sedimentation tank 4 is connected with the circulating water tank 1; and a second output end of the sedimentation tank 4 is sequentially connected with the paint slag biochemical unit 5, the paint slag collecting tank 6 and the input end of the filter press 7, and the output end of the filter press 7 is connected with the circulating water tank 1.
In one embodiment, further comprising: the input end of the circulating water lifting pump 9 is connected with the circulating water pool 1, and the output end of the circulating water lifting pump 9 is connected with the first input end of the first reaction pool 2; is used for conveying the sewage to be treated to a first reaction tank, and then carrying out coagulation, flocculation and precipitation reaction with a medicament.
In one embodiment, further comprising: the input end of the collecting pump 10 is connected with the second output end of the sedimentation tank 4, and the output end of the collecting pump 10 is connected with the input end of the paint slag biochemical unit 5; and the device is used for forcibly conveying the paint slag precipitated in the precipitation tank to a biochemical unit for aerobic biochemical reaction.
In one embodiment, further comprising: the input end of the pneumatic diaphragm pump 11 is connected with the output end of the paint slag collecting tank 6, and the output end of the pneumatic diaphragm pump 11 is connected with the input end of the filter press 7; and the device is used for conveying the paint slag in the paint slag collecting tank to a filter press for filter pressing and dehydration.
In one embodiment, further comprising: the pH regulator device 21, the viscosity breaking device 22 and the water quality clarifier device 23 are sequentially connected with the second input end, the third input end and the fourth input end of the first reaction tank 2; the pH regulator device is used for adding a pH regulator into sewage subjected to coagulation in the first reaction tank, the viscosity breaking device is used for adding a viscosity breaking agent into the sewage subjected to coagulation in the first reaction tank, and the water quality clarifier device is used for adding a water quality clarifier into the sewage subjected to coagulation in the first reaction tank.
In one embodiment, further comprising: the precipitator device 31, the precipitator device 31 is connected with the input end of the second reaction tank 3; for adding a precipitant into the second reaction tank.
In one embodiment, further comprising: the oxidant device 41, the oxidant device 41 is connected with the first output end of the sedimentation tank 4; for adding an oxidant to the second reaction cell.
In one embodiment, further comprising: a (Roots) blower 8, wherein the (Roots) blower 8 is connected with the circulating water tank 1; used for conveying air to the circulating water tank for aeration and stirring.
The working principle is as follows:
(1) An air blower 8 is used for carrying out aeration stirring on the circulating water tank 1, so that paint sludge sediment after the circulating water tank 1 is broken and sticky is avoided;
(2) Conveying circulating water containing sludge to the first reaction tank 2 through a circulating water lift pump 9, stirring, adding a pH regulator to regulate the pH of the water, and simultaneously adding a viscosity breaking agent and a clarifying agent to ensure that the glue feather has no viscosity and the flocculated water is clearer;
(3) Circulating water coagulated by the first reaction tank 2 overflows to the second reaction tank 3 for continuous stirring, and a precipitator is added to flocculate fine particles into larger colloidal-feather-shaped precipitates, so that the subsequent separation of paint water is facilitated;
(4) The circulating water precipitated by the second reaction tank 3 overflows to a precipitation tank 4 again, and the sludge and the water are quickly separated;
(5) The separated clear water returns to the circulating water tank 1 through overflow, and an oxidant is added in the process of backflow;
(6) The sediment sludge is conveyed to a paint residue biochemical unit 5 at regular time through a collecting pump 10 for contact oxidation treatment after being precipitated, and a bioflocculant is properly added, so that paint residues with poor debonding can be effectively and better debonded and biologically decomposed in the microbial contact oxidation process, and the problem of poor dehydration caused by water-in-oil during paint residue dehydration is solved;
(7) The paint slag enters a paint slag collecting tank 6 after being subjected to oxidation reduction decrement treatment by a paint slag biochemical unit 5, the paint slag is directly conveyed to a filter press 7 by a pneumatic diaphragm pump 11 after being precipitated, a filter-pressed paint slag cake is conveyed to waste treatment, and a filter-pressed liquid overflows into a circulating water tank 1.
To sum up, the utility model discloses a to the transformation and the new purification unit equipment that increases of spray booth hydrologic cycle purification itself, solved the problem that application waste water does not discharge effectively, reached the purpose of hazardous waste decrement. The treated water is clear and has no peculiar smell, can be recycled for a long time without deterioration, has zero emission, and reduces the subsequent treatment cost of high-concentration organic wastewater and the cost of maintaining and replacing water in a slagging pond; the dehydration amount of the treated paint slag hazardous waste is reduced by 70-80%, the subsequent treatment cost is reduced, and the monitoring and the inspection of the solid hazardous waste by an environmental protection department are avoided; the slag making tank has no sediment, the maintenance is simple and easy, the production efficiency is improved, the tank bottom has no sediment, the drainage and cleaning are not needed, and the maintenance time and the labor cost are saved; the equipment automation and humanization degree are high, the operation is simple, and the personnel errors are reduced; the equipment is clean and tidy on site, no pungent smell exists when water is used, and no slag is removed, so that the water is dehydrated.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (8)

1. A paint circulating water purification treatment system, comprising: the system comprises a circulating water tank, a first reaction tank, a second reaction tank, a sedimentation tank, a paint slag biochemical unit, a paint slag collecting tank and a filter press;
The circulating water tank is sequentially connected with the input ends of the first reaction tank, the second reaction tank and the sedimentation tank, and the first output end of the sedimentation tank is connected with the circulating water tank;
And the second output end of the sedimentation tank is sequentially connected with the paint slag biochemical unit, the paint slag collecting tank and the input end of the filter press, and the output end of the filter press is connected with the circulating water tank.
2. A paint circulating water purification treatment system as claimed in claim 1, further comprising: and the input end of the circulating water lifting pump is connected with the circulating water pool, and the output end of the circulating water lifting pump is connected with the input end of the first reaction pool.
3. A paint circulating water purification treatment system as claimed in claim 1, further comprising: and the input end of the collecting pump is connected with the second output end of the sedimentation tank, and the output end of the collecting pump is connected with the input end of the paint slag biochemical unit.
4. A paint circulating water purification treatment system as claimed in claim 1, further comprising: and the input end of the pneumatic diaphragm pump is connected with the output end of the paint slag collecting tank, and the output end of the pneumatic diaphragm pump is connected with the input end of the filter press.
5. A paint circulating water purification treatment system as claimed in claim 1, further comprising: the device comprises a pH regulator device, a viscosity breaking device and a water quality clarifier device, wherein the pH regulator device, the viscosity breaking device and the water quality clarifier device are sequentially connected with the input end of the first reaction tank.
6. A paint circulating water purification treatment system as claimed in claim 1, further comprising: and the precipitant device is connected with the input end of the second reaction tank.
7. A paint circulating water purification treatment system as claimed in claim 1, further comprising: and the oxidant device is connected with the first output end of the sedimentation tank.
8. A paint circulating water purification treatment system as claimed in claim 1, further comprising: and the air blower is connected with the circulating water tank.
CN201921903558.5U 2019-11-06 2019-11-06 Coating circulating water purification treatment system Active CN211005005U (en)

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CN201921903558.5U CN211005005U (en) 2019-11-06 2019-11-06 Coating circulating water purification treatment system

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Application Number Priority Date Filing Date Title
CN201921903558.5U CN211005005U (en) 2019-11-06 2019-11-06 Coating circulating water purification treatment system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111875097A (en) * 2020-07-22 2020-11-03 殷震花 Anticorrosive water-based paint process system and waste liquid treatment process thereof
CN111875097B (en) * 2020-07-22 2022-06-24 临海市广和工艺品有限公司 Anticorrosive water-based paint process system and waste liquid treatment process thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111875097A (en) * 2020-07-22 2020-11-03 殷震花 Anticorrosive water-based paint process system and waste liquid treatment process thereof
CN111875097B (en) * 2020-07-22 2022-06-24 临海市广和工艺品有限公司 Anticorrosive water-based paint process system and waste liquid treatment process thereof

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