CN212222743U

CN212222743U - Treatment device for producing wastewater through spraying

Info

Publication number: CN212222743U
Application number: CN202020583683.9U
Authority: CN
Inventors: 邹文清; 肖泽龙; 耿飞; 黄万启
Original assignee: Hainan Lvjing High Tech Environmental Protection Co ltd
Current assignee: Hainan Lvjing High Tech Environmental Protection Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-12-25
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a processing apparatus through spraying production waste water, including PH equalizing basin, flocculation basin, integration air supporting machine, filter and the MBR anaerobic reactor that communicates in proper order, the end of intaking of PH equalizing basin passes through elevator pump and spraying waste water holding vessel intercommunication, the PH equalizing basin is equipped with first charge device, the flocculation basin is equipped with second charge device, MBR anaerobic reactor's delivery port and circulating pipe intercommunication. The utility model provides a through the processing apparatus of spraying production waste water, the clearance is high, no secondary pollution, the processing procedure is short, area is little, convenient operation.

Description

Treatment device for producing wastewater through spraying

Technical Field

The utility model relates to the technical field of waste water, in particular to through processing apparatus of spraying production waste water.

Background

In the production process of various spraying, a large amount of industrial wastewater is discharged in the spraying operation of a water curtain spraying room in the workpiece spraying pretreatment. The composition of the produced wastewater is complex: the color is light yellow, the content of suspended matters is high, the water quality smell is obvious, the pH value is 5-7, the CODCr is more than or equal to 10000mg/L, and the main pollutants of the sewage are organic matters which are difficult to degrade. The existing wastewater treatment mode aiming at the discharge in the spraying production process has long treatment flow, large occupied area and inconvenient operation.

Disclosure of Invention

To the above prior art, the utility model provides a through the processing apparatus of spraying production waste water, solve above-mentioned technical problem.

The technical scheme of the invention is realized as follows:

the utility model provides a through processing apparatus of spraying production waste water, includes PH equalizing basin, flocculation basin, integration air supporting machine, filter and the MBR anaerobic reactor that communicates in proper order, the end of intaking of PH equalizing basin passes through elevator pump and spraying waste water holding vessel intercommunication, the PH equalizing basin is equipped with first charge device, the flocculation basin is equipped with second charge device, MBR anaerobic reactor's delivery port and circulating pipe intercommunication.

Further, the filter is an activated carbon filter.

Further, the PH adjusting tank is provided with a stirrer.

Further, be equipped with vertical baffle and lower vertical baffle in the PH equalizing basin, it sets up with vertical baffle is crisscross each other down to go up vertical baffle, vertical baffle is fixed down the bottom of PH equalizing basin and apart from top 10 ~ 50cm, it fixes to go up vertical baffle the upper portion of PH equalizing basin and apart from bottom 10 ~ 50 cm.

Further, the agitator includes (mixing) shaft and spiral leaf, the spiral leaf is fixed on the (mixing) shaft, the (mixing) shaft is vertical to be installed between last vertical baffle and the vertical baffle down, and adjacent (mixing) shaft passes through gear intermeshing, and adjacent spiral leaf spiral direction is the same.

Furthermore, the upper vertical partition plate and the lower vertical partition plate are respectively fixed on the inner wall of the PH adjusting tank and fixedly connected with each other.

Further, a motor is installed on the PH adjusting tank, and an output shaft of the motor is connected with the stirring shaft.

The beneficial effects of the utility model reside in that: the scheme adopts an integrated process of a PH adjusting tank, flocculation, integrated air floatation, a filter and an MBR anaerobic reactor, and a physical, chemical and microorganism combined process for treatment. The method has the advantages of high removal rate, no secondary pollution, short treatment flow, small occupied area and convenient operation. Waste water in the spraying waste water storage tank is pumped into the PH adjusting tank by utilizing the lift pump, and alkali liquor is added into the PH adjusting tank by the first dosing device to adjust the PH value. Molecules in the wastewater in the flocculation tank are agglomerated into flocs, the flocs are treated and then enter the integrated air floatation machine under the action of the pump body, clarified wastewater generated after the treatment of the integrated air floatation machine automatically flows into a filter for treatment, the filter adsorbs residual benzene, ester, organic acid and the like, suspended matters are filtered, the water after the filtration treatment is treated by an MBR (membrane bioreactor), and activated sludge can be completely retained in a bioreactor through membrane separation, so that the Hydraulic Retention Time (HRT) and the Sludge Retention Time (SRT) in the bioreactor are completely separated; therefore, the control can be flexibly and stably carried out; thereby achieving the purpose that the effluent quality meets the requirements of circulation and landscape water. The water outlet of the MBR anaerobic reactor is communicated with a circulating water pipe, and the treated wastewater is recycled through the circulating water pipe.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

FIG. 1 is a schematic view of a wastewater treatment apparatus for spraying wastewater according to the present invention;

FIG. 2 is a schematic view of the sectional structure of the PH adjusting tank of the present invention

In the figure, a PH adjusting tank 1, a flocculation tank 2, an integrated air floatation machine 3, a filter 4, an MBR anaerobic reactor 5, a lift pump 6, a spraying wastewater storage tank 7, a first dosing device 8, a second dosing device 9, a circulating water pipe 10, a stirrer 11, an upper vertical partition plate 12, a lower vertical partition plate 13, a stirring shaft 14, a spiral blade 15, a gear 16 and a motor 17.

Detailed Description

In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Example 1

Referring to fig. 1, the treatment device for producing wastewater through spraying comprises a PH adjusting tank 1, a flocculation tank 2, an integrated air flotation machine 3, a filter 4 and an MBR anaerobic reactor 5 which are sequentially communicated, wherein a water inlet end of the PH adjusting tank 1 is communicated with a spraying wastewater storage tank 7 through a lift pump 6, the PH adjusting tank 1 is provided with a first chemical adding device 8, the flocculation tank 2 is provided with a second chemical adding device 9, and a water outlet of the MBR anaerobic reactor 5 is communicated with a circulating water pipe 10.

And pumping the wastewater in the spraying wastewater storage tank 7 into the PH adjusting tank 1 by using the lift pump 6, adding alkali liquor into the PH adjusting tank 1 through the first dosing device 8, and adjusting the PH value to 7-9. The dosing device 8 can be an existing automatic dosing device or a simple manual dosing device (such as a dosing tube, a dosing funnel and the like). The waste water after the PH regulation flows to flocculation basin 2 in, and flocculation basin 2 intercommunication is taken out to the waste water in PH regulation pond 1 through the water pump to PH regulation pond 1, also can be higher than flocculation basin 2 positions with PH regulation pond 1 position, utilizes gravity to flow to flocculation basin 2 naturally. A second chemical adding device 9 is arranged in the flocculation tank 2, paint mist coagulation chemicals are added into the flocculation tank 2 to enable molecules in wastewater to be agglomerated into flocs, the treated wastewater enters the integrated air floatation machine 3 under the action of a pump body, a water inlet of the integrated air floatation machine 3 is connected with a water outlet of the flocculation tank 2, a water outlet of the integrated air floatation machine 3 is connected with a water inlet of the filter 4, clarified wastewater produced after treatment by the integrated air floatation machine 3 automatically flows into the filter 4 to be treated, the filter 4 adsorbs residual benzene, ester, organic acid and the like to filter suspended matters, a water outlet of the filter 4 is connected with a water inlet of the MBR anaerobic reactor 5, the water after filtration treatment is treated by the MBR anaerobic reactor 5, and active sludge can be completely intercepted in the bioreactor through membrane separation, such that the Hydraulic Retention Time (HRT) and the Sludge Retention Time (SRT) in the bioreactor are completely separated; therefore, the control can be flexibly and stably carried out; thereby achieving the purpose that the effluent quality meets the requirements of circulation and landscape water. The water outlet of the MBR anaerobic reactor 5 is communicated with a circulating water pipe 10, and the treated wastewater is reused through the circulating water pipe 10.

Specifically, the filter 4 is an activated carbon filter 4. The activated carbon filter 4 filters and adsorbs the remaining benzene, ester, organic acid, etc., and filters suspended matter.

Example 2

Referring to fig. 1 to 2, the present embodiment is different from embodiment 1 in that the PH adjusting tank 1 is provided with a stirrer 11. The PH adjusting tank 1 is stirred by the stirrer 11, the mixing degree of the alkali liquor and the wastewater is improved, the alkali liquor and the wastewater are uniformly mixed, and the use efficiency of the alkali liquor is improved.

Specifically, be equipped with vertical baffle 12 and lower vertical baffle 13 in the PH equalizing basin 1, go up vertical baffle 12 and the crisscross setting each other of vertical baffle 13 down, vertical baffle 13 is fixed down the bottom of PH equalizing basin 1 and apart from top 10 ~ 50cm, it fixes to go up vertical baffle 12 the upper portion of PH equalizing basin 1 and apart from bottom 10 ~ 50 cm. Go up vertical baffle 12 and vertical baffle 13 crisscross setting each other down, vertical baffle 13 is fixed down the bottom of PH equalizing basin 1 and apart from the top 10 ~ 50cm, it fixes to go up vertical baffle 12 the upper portion of PH equalizing basin 1 and apart from bottom 10 ~ 50cm make the passageway in the PH equalizing basin 1 become the S-shaped, prolonged the runner length in the PH equalizing basin 1, with alkali lye misce bene when the waste water flows.

Specifically, the stirrer 11 comprises a stirring shaft 14 and spiral blades 15, the spiral blades 15 are fixed on the stirring shaft 14, the stirring shaft 14 is vertically arranged between the upper vertical partition plate 12 and the lower vertical partition plate 13, the adjacent stirring shafts 14 are mutually meshed through gears 16, and the spiral directions of the adjacent spiral blades 15 are the same. The adjacent stirring shafts 14 are meshed with each other through the gears 16, so that the rotation directions of the adjacent stirring shafts 14 are the same, the spiral blades 15 are fixed on the stirring shafts 14, and the rotation directions of the adjacent spiral blades 15 are the same, so that the directions of pushing water flows when the adjacent spiral blades 15 rotate are opposite, that is, when one spiral blade 15 rotates, water is pushed downwards, and then the two adjacent spiral blades 15 push water upwards. Passageway in the PH equalizing basin 1 becomes the S-shaped, and waste water is discharging the passageway that needs along the S-shaped from the delivery port after getting into from the water inlet of PH equalizing basin 1 and flows, and the direction that impels water when helical blade 15 rotates is opposite with rivers direction, improves the mobility of rivers, has improved the mixed effect of alkali lye with waste water for alkali lye and waste water misce bene improve the utilization effect of alkali lye.

Specifically, the upper vertical partition plate 12 and the lower vertical partition plate 13 are respectively fixed on the inner wall of the PH adjusting tank 1 and fixedly connected with each other. The top cover of the PH adjusting tank 1 can be opened, so that the upper vertical partition plate 12 and the lower vertical partition plate 13 can be fixed conveniently.

Specifically, a motor 17 is installed on the PH adjusting tank 1, and an output shaft of the motor 17 is connected with the stirring shaft 14. When the motor 17 rotates, one stirring shaft 14 is driven to rotate, so that the other stirring shafts 14 are driven to rotate through the gear 16.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a processing apparatus through spraying production waste water, its characterized in that, including PH equalizing basin, flocculation basin, integration air supporting machine, filter and the MBR anaerobic reactor that communicates in proper order, the end of intaking of PH equalizing basin passes through elevator pump and spraying waste water holding vessel intercommunication, the PH equalizing basin is equipped with first charge device, the flocculation basin is equipped with second charge device, MBR anaerobic reactor's delivery port and circulating pipe intercommunication.

2. The apparatus of claim 1, wherein the filter is an activated carbon filter.

3. The apparatus for treating wastewater generated by spraying as set forth in claim 1, wherein said pH adjusting tank is provided with a stirrer.

4. The device for treating the wastewater generated by the spraying of claim 3, wherein an upper vertical partition plate and a lower vertical partition plate are arranged in the PH adjusting tank, the upper vertical partition plate and the lower vertical partition plate are arranged in a staggered manner, the lower vertical partition plate is fixed at the bottom of the PH adjusting tank and is 10-50 cm away from the top, and the upper vertical partition plate is fixed at the upper part of the PH adjusting tank and is 10-50 cm away from the bottom.

5. The apparatus as claimed in claim 4, wherein the agitator comprises an agitating shaft and a spiral blade, the spiral blade is fixed on the agitating shaft, the agitating shaft is vertically installed between the upper vertical partition and the lower vertical partition, adjacent agitating shafts are engaged with each other through gears, and the spiral directions of adjacent spiral blades are the same.

6. The apparatus as claimed in claim 4, wherein the upper vertical partition and the lower vertical partition are fixed to the inner wall of the pH control tank.

7. The apparatus as claimed in claim 5, wherein a motor is installed on the pH control tank, and the output shaft of the motor is connected with the stirring shaft.