CN210481104U

CN210481104U - Coated glass waste water recovery unit

Info

Publication number: CN210481104U
Application number: CN201920575965.1U
Authority: CN
Inventors: 阮洪良
Original assignee: ZHEJIANG JIAFU GLASS CO Ltd
Current assignee: ZHEJIANG JIAFU GLASS CO Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-05-08
Anticipated expiration: 2029-04-25

Abstract

The utility model belongs to the technical field of coated glass waste water recovery technique and specifically relates to a coated glass waste water recovery device, the solution mixing tank, coated glass waste water production wastewater disposal basin, edging waste water preliminary sedimentation equalizing basin, an air supporting pond, the edging clean water basin, the waste water equalizing basin, the chemical reaction case, degree of depth air supporting pond, a filter, chlorine residue reduction pond, ultrafiltration device and ultraviolet sterilizer, it is through pouring into the waste water of edging process into with the pure water after using, utilize the suspended glass particle adhesion microbial community in the edging waste water, adopt and add the flocculating agent increase adhesion effect, through air supporting pond aeration, quartz is thoroughly got rid of adhesion thing to sand non-pressure infiltration filterable mode, recycle is as the raw water of pure water system water again, recycle again through the pure water after using, the environmental pollution has still been reduced simultaneously to manufacturing cost.

Description

Coated glass waste water recovery unit

Technical Field

The utility model relates to a coated glass waste water recovery technical field specifically is a coated glass waste water recovery unit.

Background

Production of deep processing cleaning wastewater of the photovoltaic glass sheet: in order to improve the surface cleanliness of the tempered photovoltaic glass and quickly and uniformly cool the glass so as to ensure the production efficiency and reduce the energy consumption, the tempered photovoltaic glass needs to be cleaned and cooled by pure water. Glass coating liquid (an anti-reflection agent made of a composite nano-grade material) remains in the waste water after cleaning. The coating liquid is a water-insoluble material, can slowly separate out in the cleaned wastewater, and because the temperature of the water after glass cleaning is about 35 ℃, bacteria are easy to breed in the water, the bred bacteria and the macromolecular coating liquid residues form a suspended sticky bacterial colony in the water, the bacteria in the bacterial colony are difficult to kill by a dosing treatment mode, and the filter is easy to block when the filter is adopted for filtering.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coated glass waste water recovery unit to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a coated glass waste water recovery unit, its characterized in that, includes solution mixing tank, coated glass waste water production pond, edging waste water preliminary sedimentation equalizing basin, once air supporting pond, edging clean water basin, waste water equalizing basin, chemical reaction case, degree of depth air supporting pond, filter, chlorine residue reduction pond, ultrafiltration device and ultraviolet sterilizer, be connected through the irrigation canals and ditches between solution mixing tank and the coated glass waste water production pond, edging waste water preliminary sedimentation equalizing basin is linked together with the irrigation canals and ditches, between once air supporting pond and the edging waste water preliminary sedimentation equalizing basin, between edging clean water basin and the once air supporting pond, between waste water equalizing basin and the edging clean water basin, between chemical reaction case and the waste water equalizing basin, between degree of depth air supporting pond and the chemical reaction case, between filter and the degree of depth air supporting pond, between chlorine residue reduction pond and the filter, The ultra-filtration device and the residual chlorine reduction pool are respectively connected by a water pump and a water pipe in a pumping way, and the ultraviolet sterilizer is connected with the ultra-filtration device.

In the device for recovering the wastewater generated in the production of the coated glass, the ultraviolet sterilizer is a pipeline type sterilizer, and the ultraviolet sterilizer is connected with a water outlet pipe of the ultrafiltration device.

In the device for recovering the wastewater generated in the production of the coated glass, the precipitation and air floatation treatment device is of a rectangular structure with precipitation and air floatation functions.

In foretell coated glass waste water recovery unit, chlorine residue reduction pond sets up electrically controlled device, is used for detecting the automatic reagent feeding detector of the chlorine residue concentration in aqueous chlorine residue, is used for adding the doser of chlorine residue reducing agent, automatic reagent feeding detector and doser all with electrically controlled device electric connection.

In the device for recovering the wastewater generated in the production of the coated glass, the wastewater adjusting tank is internally provided with a submersible aeration pump.

In the device for recovering the wastewater generated in the production of the coated glass, a back washing pump is arranged between the clean water tank and the ultrafiltration device.

In foretell coated glass waste water recovery unit, be provided with middle water tank between degree of depth air supporting pond and the filter, be connected through water pump and water pipe between middle water tank and the degree of depth air supporting pond, the filter is uncovered formula manganese sand filter, the delivery port of middle water tank is located the top of filter.

Compared with the prior art, the utility model discloses an in the waste water of edging process is poured into to the pure water after will using, utilize the suspended glass particle adhesion microbial community in the edging waste water, adopt to add the flocculating agent and increase adhesion effect, thoroughly get rid of adhesion thing through air supporting pond aeration, quartz sand non-pressure infiltration filterable mode, recycle is as the raw water of pure water system water again, through the recycle again after the pure water uses, has reduced manufacturing cost and has still reduced environmental pollution simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a part of the process flow of the present invention.

FIG. 3 shows the water quality index after the treatment of the present invention.

In the figure: 1. a solution mixing tank; 2. a wastewater tank for coated glass production; 3. an edging wastewater pre-settling regulating tank; 4. a primary air flotation tank; 5. an edging clean water tank; 6. a wastewater adjusting tank; 7. a chemical reaction chamber; 8. a deep air flotation tank; 9. a filter; 10. a residual chlorine reduction pool; 11. an ultrafiltration device; 12. an ultraviolet sterilizer; 13. a trench; 14. a sedimentation air-flotation treatment device; 15. a submersible aeration pump; 16. an automatic dosing detector; 17. a medicine adding device; 18. a clean water tank.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1, the present invention provides a technical solution:

the device for recovering the coated glass production wastewater by applying the process is characterized by comprising a solution mixing tank 1, a coated glass production wastewater tank 2, an edging wastewater pre-settling regulating tank 3, a primary air flotation tank 4, an edging clear water tank 5, a wastewater regulating tank 6, a chemical reaction tank 7, a deep air flotation tank 8, a filter 9, a residual chlorine reduction tank 10, an ultrafiltration device 11, an ultraviolet sterilizer 12 and a clear water tank 18, wherein the solution mixing tank 1 is connected with the coated glass production wastewater tank 2 through a ditch 13, the edging wastewater pre-settling regulating tank 3 is communicated with the ditch 13, the primary air flotation tank 4 is communicated with the edging wastewater pre-settling regulating tank 3, the edging clear water tank 5 is communicated with the primary air flotation tank 4, the wastewater regulating tank 6 is communicated with the edging clear water tank 5, the chemical reaction tank 7 is communicated with the wastewater regulating tank 6, the deep air flotation tank 8 is communicated with the chemical reaction tank 7, The filter 9 and the deep air flotation tank 8, the residual chlorine reduction tank 10 and the filter 9, and the ultrafiltration device 11 and the residual chlorine reduction tank 10 are respectively connected by a water pump and a water pipe in a pumping way, the ultraviolet sterilizer 12 is connected with the ultrafiltration device 11, wherein the ultraviolet sterilizer 12 is a pipeline type sterilizer, the ultraviolet sterilizer 12 is connected with a water outlet pipe of the ultrafiltration device 11, the primary air flotation tank 4 is internally provided with a precipitation air flotation treatment device 14, and the precipitation air flotation treatment device 14 is a rectangular structure with precipitation and air flotation functions; an automatic dosing detector 16 and a dosing device 17 are arranged in the residual chlorine reduction tank 10, the automatic dosing detector 16 and the dosing device 17 are controlled by an electric control system and are used for detecting residual chlorine concentration in water, and the precipitation air floatation treatment device 14, the automatic dosing detector 16 and the dosing device 17 are existing devices.

Furthermore, a back washing pump is arranged between the clean water tank 18 and the ultrafiltration device 11, so that the filtering effect of the ultrafiltration device 11 can be improved.

Further, still be provided with middle water tank 20 between degree of depth air supporting pond 8 and the filter 9, earlier promote waste water to middle water tank, leak down by middle water tank again, cooperate uncovered formula manganese sand filter 9, the filter effect is better.

The utility model discloses work flow:

step one, preparing a solution: collecting glass powder which can generate very small particles during glass edge grinding, and mixing the glass powder with water to form an emulsion-shaped mixed solution;

step two, precipitation pretreatment: collecting and mixing the coated glass production wastewater and the mixed solution through a ditch 13, then leading the mixture into an edging wastewater pre-settling regulating tank 3, adding a flocculating agent (ALO2) to enable glass powder to aggregate and then precipitating, wherein the precipitation time is more than 3 hours;

step three, aerating in a primary air floatation tank 4: pumping the pretreated wastewater into a primary air floatation tank 4 by a water pump, adding a flocculating agent, performing aeration treatment by using a precipitation air floatation treatment device 14 in the air floatation tank, and storing the wastewater after the aeration treatment into an edging clean water tank 5;

step four, adding chemicals into the wastewater for sterilization: pumping the aerated wastewater from the edging clean water tank 5 to a wastewater adjusting tank 6 by using a water pump, adding a sodium hypochlorite bactericide at the inlet of a pipeline during water pumping, controlling the concentration within 0.5ppm/L, and stirring the wastewater by using a submersible aeration pump in the wastewater adjusting tank 6;

step five, chemical reaction: pumping the wastewater after the dosing and sterilization treatment into a chemical reaction box 7 by using a water pump and fully mixing and reacting the wastewater with an organic sulfide medicament in the chemical reaction box 7;

step six, secondary air flotation tank aeration: further carrying out aeration treatment on the wastewater after the chemical reaction by using a deep air flotation tank 8; s4, microorganisms and algae, which accelerate the precipitation of sulfide particles generated in S5;

step seven, the filter 9: the wastewater after the secondary deep air flotation aeration enters an open manganese sand filter 9, and the wastewater is filtered in a self-permeation mode;

step eight, residual chlorine reduction: the filtered wastewater enters a residual chlorine reduction pool 10, the residual chlorine concentration in the water is detected, and a residual chlorine reducing agent is added to control the residual chlorine in the water to be within 0.2 ppm/L;

step nine, ultrafiltration treatment: carrying out ultrafiltration;

step ten, ultraviolet sterilization treatment: the ultrafiltered water is further sterilized by the pipeline type ultraviolet sterilizer 12, and the sterilized water is injected into the clean water tank 18 for reuse.

The water quality index after treatment is shown in figure 3.

The working principle of the utility model is as follows: the emulsion-like mixed solution prepared in the first step can be regarded as a filter system in a microscopic view, the precipitation effect can be improved by mixing the waste water produced by the coated glass through the filter system, particularly, after a flocculating agent is added, the fusion of glass powder and microbial colonies in the edging waste water pre-settling regulating reservoir can be accelerated, and when more glass powder is adhered to the microbial colonies, the microbial colonies are precipitated to the bottom of the edging waste water pre-settling regulating reservoir 3 when the specific gravity of the microbial colonies is larger than that of water; the wastewater after the precipitation treatment is subjected to the auxiliary actions of aeration in the primary air flotation tank 4 and dosing of a flocculating agent, so that pollutants in the water are easy to settle and float, suspended matters, floating objects and the like which are difficult to settle in the water body can be removed by air flotation, and granular impurities which are easy to settle in the water body can be removed by settling; when the wastewater is added with the chemicals and sterilized, sodium hypochlorite bactericide with the concentration controlled within 0.5ppm/L is added at the inlet of the pipeline, and the wastewater is stirred by the submersible aeration pump 15 in the wastewater adjusting tank 6, so that the chemicals are fully mixed, the sterilization efficiency is improved, meanwhile, the oxygenation aeration can improve the chromaticity of the water body, prevent the breeding of microorganisms and algae, oxidize partial reductive metal ions and reduce COD; the chemical reaction box 7 has the main function of enabling the wastewater to be fully mixed and reacted with an organic sulfide medicament (TMT15, with the chemical adding concentration of 7.5 percent), so that heavy metal ions in the water form sulfide particles which are easy to settle, and the precipitates are formed and removed in the subsequent treatment process; the deep air floatation tank 8 can further treat the microorganisms and algae generated in the step 4 and accelerate the sedimentation of sulfide particles generated in the step 5; compared with a pressure-bearing filter, because the water treated by the preceding stage does not basically contain large-particle impurities, trace flocculate is mainly remained, and the flocculate cannot be dispersed again and then passes through the filter, the filtering effect is better; the ultrafiltration can effectively remove organic matters, colloid, iron, manganese and the like in water, has strong adsorption capacity on oil stains, has the characteristics of difficult oil sticking and convenient cleaning compared with a conventional activated carbon filter, and is more suitable for protecting a pure water reverse osmosis module; after the ultraviolet sterilization treatment, the propagation of bacteria in water can be inhibited, and the treated water can be injected into clean water for recycling.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coated glass waste water recovery unit, its characterized in that, includes solution mixing tank, coated glass production wastewater disposal basin, edging waste water preliminary sedimentation equalizing basin, once air supporting pond, edging clean water basin, waste water equalizing basin, chemical reaction case, degree of depth air supporting pond, filter, chlorine residue reduction pond, ultrafiltration device, ultraviolet sterilizer and clean water basin, be connected through the irrigation canals and ditches between solution mixing tank and the coated glass production wastewater disposal basin, edging waste water preliminary sedimentation equalizing basin is linked together with the irrigation canals and ditches, between once air supporting pond and the edging waste water preliminary sedimentation equalizing basin, between edging clean water basin and the once air supporting pond, between waste water equalizing basin and the edging clean water basin, between chemical reaction case and the waste water equalizing basin, between degree of depth air supporting pond and the chemical reaction case, between filter and the degree of depth air supporting pond, between chlorine residue reduction pond and the filter, The ultra-filtration device and the residual chlorine reduction pool are respectively connected by pumping through a water pump and a water pipe, the ultraviolet sterilizer is connected with the ultra-filtration device, and the clean water pool is used for collecting water treated by the ultraviolet sterilizer.

2. The coated glass production wastewater recovery device of claim 1, wherein the ultraviolet sterilizer is a pipe-type sterilizer, and the ultraviolet sterilizer is connected to a water outlet pipe of the ultrafiltration device.

3. The coated glass production wastewater recovery device according to claim 1, wherein a precipitation air flotation treatment device is arranged in the primary air flotation tank, and the precipitation air flotation treatment device is of a rectangular structure with both precipitation and air flotation functions.

4. The coated glass production wastewater recovery device according to claim 1, wherein the residual chlorine reduction tank is provided with an electric control device, an automatic dosing detector for detecting residual chlorine concentration in water, and a dosing device for adding a residual chlorine reducing agent, and the automatic dosing detector and the dosing device are both electrically connected with the electric control device.

5. The coated glass production wastewater recovery device of claim 1, wherein a submersible aeration pump is arranged in the wastewater regulating tank.

6. The coated glass production wastewater recovery device of claim 1, wherein a backwash pump is arranged between the clean water tank and the ultrafiltration device.

7. The coated glass production wastewater recovery device according to claim 1, wherein an intermediate water tank is arranged between the deep air flotation tank and the filter, the intermediate water tank is connected with the deep air flotation tank through a water pump and a water pipe, the filter is an open manganese sand filter, and a water outlet of the intermediate water tank is positioned above the filter.