CN215327569U

CN215327569U - A kind of paint spraying sewage purification treatment and reuse equipment

Info

Publication number: CN215327569U
Application number: CN202121394200.1U
Authority: CN
Inventors: 刘伟
Original assignee: Suzhou Xindiyuan Environmental Protection Technology Co Ltd
Current assignee: TIANJIN WANFENG PURIFICATION EQUIPMENT CO Ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-28
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a paint spraying sewage purification, treatment and reuse equipment, which comprises a collection water tank, one end of the collection water tank is connected to a drainage pipe of a spraying room, the other end of the collection water tank is connected to a waste water treatment mechanism through the sewage pipe, and one end of the waste water treatment mechanism away from the collection water tank is connected to the sewage treatment mechanism. The sludge tank is connected to the waste water treatment mechanism on one side and the plate and frame filter press on the other side through the sludge pipe, and the other end of the plate and frame filter press is connected to the recycling tank. The utility model is a paint spraying sewage purification treatment and reuse equipment, which has the advantages of convenient installation, small floor space, modular design, cost saving, simple operation, high treatment efficiency, rapid purification and reuse of effluent, low operating energy consumption, and low pharmaceutical consumption cost. , The water quality after purification treatment is good, COD and organic matter content can be quickly removed, all can be recycled with zero discharge, long-term reuse, reduce the generation of waste water, the amount of waste paint residue after treatment is small, and the moisture content is low.

Description

Paint spraying sewage purification treatment recycling equipment

Technical Field

The utility model belongs to the technical field of sewage purification and recovery, and particularly relates to a paint spraying sewage purification treatment recycling device.

Background

In the modern coating mass production process, the over-spray paint mist generated in a wet paint spraying chamber in the coating and spraying process is adsorbed and purified by circulating water, and the working principle of the device is that the over-spray paint mist is fully mixed with the circulating water by air draft to separate water from the paint mist and air, so that the paint mist falls into the water, the water with waste paint flows back to a circulating water tank, and the water is recycled after being purified and paint residues are removed; the AB agent is added into a circulating water tank to flocculate with paint mist in circulating water, a salvage mode is adopted, air floatation is carried out to scrape slag, or the AB agent is added and then filter-pressed by a filter press, the conventional AB agent is added randomly, the AB agent cannot be reasonably, regularly and quantitatively added according to the quality condition of sewage, the effect of improving the water quality is not achieved, the agent waste is caused, the sewage concentration is increased due to excessive addition, the sludge production is increased, and the operation cost is increased; the water content of the used filter-pressed paint slag is high after the filter-pressing paint slag is collected, the paint slag generation amount is large, the external disposal cost of the paint slag is increased, and the operation cost of an enterprise is correspondingly increased; circulating water used for absorbing paint mist sprayed by a spraying machine is turbid, water quality is smelly, paint slag pool bottom deposition often blocks an equipment pipeline, so that the problems of high load of a circulating water pump, no water feeding in a pump in case of serious pump, and the like are caused, and a large amount of foam can be generated due to continuous accumulation of a surfactant in the water-based paint, so that the normal production is seriously influenced; the circulating water needs to be replaced after 2 to 12 times of production stoppage every year, paint slag deposited at the bottom of the pool is cleaned, pipelines are dredged, cleaning is difficult, and the cost of post-treatment of waste water is increased. There is therefore a need for a solution to the above problems.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide safe and reliable paint spraying sewage purification treatment recycling equipment which can fully exert the optimal performance of a medicament, has high paint mist treatment efficiency, lower water content of a dehydrated paint residue cake, reduced pungent smell, long pool cleaning period, can be recycled after wastewater treatment without discharge, can prolong the service life of paint spraying chamber equipment.

In order to achieve the purpose, the utility model provides paint spraying sewage purification treatment recycling equipment which is characterized by comprising a collecting water tank, wherein one end of the collecting water tank is connected with a spraying room drain pipe, the other end of the collecting water tank is connected with a wastewater treatment mechanism through a sewage pipe, one end of the wastewater treatment mechanism, which is far away from the collecting water tank, is connected with a sludge pond, the sludge pond is connected with the wastewater treatment mechanism on one side and a plate-and-frame filter press on the other side through a sludge pipe, and the other end of the plate-and-frame filter press is connected with a recycling water pond through a filter press return water pipe.

In one example, the wastewater treatment facility is also connected to the reuse water basin by a clean water line.

In one example, wastewater treatment mechanism includes the reaction tank, the reaction tank is close to the regulation reaction tank is connected to one side of collection water tank, the reaction tank is kept away from the separation tank is connected to one side of collection water tank, adjust the reaction tank with be provided with agitating unit in the separation tank respectively, through add decomposition regulator, coagulant aid, biological bacterial agent in proper order in the reaction tank, the medicament can make the lacquer mud be the glue feather form and do not have viscidity and water clarification after the abundant reaction, improves the removal effect.

In one example, a sewage pump is mounted on the sewage pipe for controlling the flow of sewage.

In one example, a medicine barrel rack is erected on any side wall of the wastewater treatment mechanism, and a plurality of medicine adding barrels for adding medicines to the wastewater treatment mechanism are arranged on the medicine barrel rack at intervals along the length of the medicine barrel rack.

In one example, a plurality of aeration pipelines are arranged at intervals along the width of the sludge tank in the sludge tank, the length of each aeration pipeline is the same as that of the sludge tank, ferrous and manganese in the sludge tank are treated through aeration, organic matters in water are decomposed through oxidation reaction with air, arsenic and other substances are decomposed, and paint slag particles formed by paint mist are beneficial to oxidizing water quality, the water quality is kept uniform, deposition at the bottom of the paint slag tank is inhibited, and stable operation of a purification treatment system is guaranteed.

In one example, a diaphragm pump for controlling the liquid flow is arranged on the sludge pipe between the sludge pond and the plate-and-frame filter press.

The paint spraying sewage purification treatment recycling equipment provided by the utility model can bring the following beneficial effects:

1. the installation is convenient, the occupied area is small, the modular design is adopted, the cost is saved, and the operation is simple;

2. the treatment efficiency is high, the purified water is recycled quickly, the operation energy consumption is low, and the medicament consumption cost is low;

3. the purified water has good quality, COD and organic matter content can be quickly removed, the water can be completely recycled, zero emission and long-term reuse are realized, and the generation of waste water is reduced;

4. the treated waste paint slag has small production amount, low water content, water content less than 50 percent and waste paint slag decrement of 10 to 30 percent.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a top view of a device for purifying and recycling paint spraying wastewater according to the present invention.

Detailed Description

In order to more clearly explain the overall concept of the utility model, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

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 defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description of the present specification, reference to the description of the terms "one aspect," "some aspects," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in FIG. 1, an embodiment of the utility model provides a paint spraying sewage purification treatment recycling device, which comprises a collecting water tank 1, wherein one end of the collecting water tank 1 is connected with a spraying room drain pipe 2, the other end of the collecting water tank 1 is connected with a wastewater treatment mechanism 3 through a sewage pipe 11, one end of the wastewater treatment mechanism 3 far away from the collecting water tank 1 is connected with a sludge pond 4, the sludge pond 4 is connected with the wastewater treatment mechanism 3 on one side and a plate-and-frame filter press 5 on the other side through a sludge pipe 41, the other end of the plate-and-frame filter press 5 is connected with a recycling water pond 6 through a filter press return pipe 51, the wastewater treatment mechanism 3 is also connected with the recycling water pond 6 through a clear water pipe 31, the wastewater treatment mechanism 3 comprises a reaction pond 32, one side of the reaction pond 32 close to the collecting water tank 1 is connected with an adjusting reaction pond 33, one side of the reaction pond 32 far away from the collecting water tank 1 is connected with a separation pond 34, stirring devices 35 are respectively arranged in the adjusting reaction pond 33, the reaction pond 32 and the separation pond 34, decomposition regulator, coagulant aid and biological agent are added in the reaction tank 33 in turn, the agent and the paint spraying wastewater are stirred, the paint mud can be in a glue feather shape after fully reacting, the water quality is clarified, the removal effect is improved, a sewage pump 111 for controlling the sewage flow is installed on a sewage pipe 11, a medicine barrel rack 7 is erected on any side wall of the wastewater treatment mechanism 3, a plurality of medicine adding barrels 71 for adding the agent to the wastewater treatment mechanism 3 are arranged on the medicine barrel rack 7 at intervals along the length of the medicine barrel rack 7, a plurality of aeration pipelines 42 are arranged in the sludge tank 4 at intervals along the width of the sludge tank 4, the length of the aeration pipelines 42 is the same as that of the sludge tank 4, ferrous and manganese in the sludge tank are treated by aeration, organic matters in water are oxidized and decomposed with air at the same time, arsenic and other matters are oxidized with paint slag particles formed by paint mist, and the water quality is favorable for oxidation, the water quality is kept uniform, the sedimentation of the paint slag pool bottom is inhibited, the stable operation of the purification treatment system is ensured, and a diaphragm pump 411 for controlling the liquid flow is arranged on a sludge pipe 41 between the sludge pool 4 and the plate-and-frame filter press 5.

The working principle is as follows: the sewage pump conveys the spray room drainage in the collection water tank to the reverse wastewater treatment mechanism, the decomposition regulator, the coagulant aid and the biological agent are sequentially added into the reaction tank through the pesticide adding barrel, the pesticide and the spray paint wastewater are stirred and then enter the separation tank for separation, the separated clear water directly flows into the reuse water tank, the sludge flows into the sludge tank for aeration treatment, the sludge is conveyed to the plate and frame filter press by the diaphragm pump for filtration and purification again, and the filtered water is conveyed to the reuse water tank by the filter press return water pipe.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a sewage purification treatment retrieval and utilization equipment sprays paint, a serial communication port, including collecting the water tank, it spouts the room drain pipe to collect water tank one end connection, it passes through sewage union coupling wastewater treatment mechanism to collect the water tank other end, wastewater treatment mechanism keeps away from sludge impoundment is connected to the one end of collecting the water tank, sludge impoundment passes through sludge union coupling one side wastewater treatment mechanism and opposite side plate and frame filter press, the plate and frame filter press other end passes through the filter press wet return and connects the retrieval and utilization pond.

2. The paint spraying sewage purification and treatment recycling device according to claim 1, wherein the wastewater treatment mechanism is further connected with the recycling water tank through a clean water pipe.

3. The paint spraying sewage purifying and recycling device according to claim 1, wherein the wastewater treatment mechanism comprises a reaction tank, one side of the reaction tank close to the collecting tank is connected with an adjusting reaction tank, one side of the reaction tank far away from the collecting tank is connected with a separation tank, and stirring devices are respectively arranged in the adjusting reaction tank, the reaction tank and the separation tank.

4. The paint spraying sewage purifying and recycling device according to claim 1, wherein a sewage pump for controlling the flow of sewage is installed on the sewage pipe.

5. The paint spraying sewage purification and reuse apparatus according to claim 1, wherein a chemical barrel rack is erected on any side wall of the wastewater treatment mechanism, and a plurality of chemical adding barrels for adding chemicals to the wastewater treatment mechanism are arranged on the chemical barrel rack at intervals along the length of the chemical barrel rack.

6. The paint spraying sewage purification and treatment recycling device according to claim 1, wherein a plurality of aeration pipelines are arranged at intervals along the width of the sludge tank in the sludge tank, and the length of the aeration pipelines is the same as that of the sludge tank.

7. The paint spraying sewage purification and recycling device according to claim 1, wherein a diaphragm pump for controlling liquid flow is installed on the sludge pipe between the sludge tank and the plate-and-frame filter press.