CN218404415U

CN218404415U - Wastewater treatment system for cold-rolled stainless steel annealing and pickling line

Info

Publication number: CN218404415U
Application number: CN202221339159.2U
Authority: CN
Inventors: 刘金元; 吴梦冉; 许国强; 吴凯敬
Original assignee: Shandong Taijia New Material Technology Co ltd
Current assignee: Shandong Taijia New Material Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2023-01-31
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a cold rolling stainless steel annealing pickling line effluent disposal system, including handling the case, handle incasement portion and be equipped with filtration storehouse, aeration storehouse, flocculation storehouse and the acidification storehouse of mutual intercommunication, cross the rotation of filtration storehouse bottom and install first spiral material conveying pole, aeration storehouse top fixed mounting has the aeration machine, bottom fixed mounting has the electric flocculation device in the flocculation storehouse, and acidification storehouse top fixed mounting has the PH detector, installs mud discharging mechanism bottom the acidification storehouse, and reflux unit is installed to mud discharging mechanism bottom. Start first screw conveyer pole and rotate, first screw conveyer pole can be discharged the filth from row sediment section of thick bamboo, carries oxygen through the aeration machine, and electric flocculation device produces OH ion in making sewage with the electric reaction in-process, combines iron, manganese ion formation insoluble substance to appear, then can discharge insoluble substance through row mud mechanism, can flow back to flocculation storehouse with insoluble substance moisture through reflux unit, can guarantee pickling waste water's recovery efficiency.

Description

Wastewater treatment system for cold-rolled stainless steel annealing and pickling line

Technical Field

The utility model relates to a waste water treatment equipment technical field, more specifically say, in particular to cold rolling stainless steel annealing pickling line effluent disposal system.

Background

In the steel processing industry, the surfaces of steel parts are often cleaned with hydrochloric acid to remove oxides from the surfaces. In the pickling process, hydrochloric acid is continuously consumed, and simultaneously, ferrous ions in the acid liquor are continuously increased until the hydrochloric acid washing liquor does not have a cleaning effect on steel, and the generated washing waste liquor is the hydrochloric acid pickling waste liquor.

Most of the existing pickling waste liquid has low recovery efficiency and higher recovery cost, so that a plurality of factories directly treat the waste liquid as waste water, and the waste is serious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cold rolling stainless steel annealing pickling line effluent disposal system.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a cold rolling stainless steel annealing pickling line effluent disposal system, includes the processing case, handle incasement portion and be equipped with the filtration storehouse, aeration storehouse, flocculation storehouse and the acidification storehouse of mutual intercommunication, filter storehouse one side upper end and be equipped with the inlet, filter the storehouse bottom and rotate and install first spiral material conveying pole, handle incasement outside surface and be equipped with row sediment section of thick bamboo in first spiral material conveying pole one end, arrange the sediment section of thick bamboo and install the screw stopper lid, filter storehouse lateral wall and evenly set up a plurality of filter mouths that communicate in aeration storehouse, fixed mounting has the filter screen in crossing the filter mouth, aeration storehouse top fixed mounting has the aeration machine, bottom fixed mounting has the electric flocculation device in the flocculation storehouse, acidification storehouse top has seted up the acidification mouth, and acidification storehouse top fixed mounting has the PH detector, and the sense terminal of PH detector is inserted and is located the acidification storehouse, and acidification storehouse bottom is installed and is arranged mud mechanism, arranges mud mechanism bottom and installs reflux unit.

Preferably, the aeration bin is internally provided with a stirring rod, and the top of the aeration bin is fixedly provided with a first motor for driving the stirring rod to rotate.

Preferably, arrange mud mechanism and include conveying pipeline and second spiral conveying pole, conveying pipeline fixed mounting bottom in the acidification storehouse, conveying pipeline one end communicate in flocculation storehouse, second spiral conveying pole rotates to be installed in the conveying pipeline, reflux unit intercommunication is installed in conveying pipeline bottom one end.

Preferably, the reflux unit comprises a feeding pipe, a sand filter, a first water pump and a reflux pipe, wherein two ends of the feeding pipe are respectively communicated and connected with the feeding pipe and the sand filter, two ends of the reflux pipe are respectively communicated and connected with the first water pump and the flocculation bin, and a water inlet end of the first water pump is communicated and connected with the sand filter.

Preferably, a third motor and a second motor for driving the first spiral conveying rod and the second spiral conveying rod are respectively and fixedly installed outside the treatment box.

Preferably, a gate valve is installed on the liquid inlet.

Preferably, the lower end of one side of the acid adding bin is communicated and connected with a liquid outlet pipe, and one end of the liquid outlet pipe is communicated and connected with a second water pump.

Compared with the prior art, the utility model has the advantages of:

when the filth of certain degree is deposited to filter bin bottom, through opening the screw stopper lid, start first auger delivery pole and rotate, first auger delivery pole can be discharged the filth from row sediment section of thick bamboo, carry oxygen through the aeration machine, with iron in the sewage, manganese ion turns into high valence oxide and hydroxide, sewage gets into the flocculation storehouse, the electricity flocculation device makes OH ion in the sewage at the power-on reaction in-process, combine iron, manganese ion forms insoluble substance and separates out, then can discharge insoluble substance through mud discharging mechanism, can flow back the aqueous phase of insoluble substance to the flocculation storehouse through reflux unit, detect the pH value through the pH detector, according to the pH value, the staff can add hydrochloric acid in the acidification mouth, guarantee that the pH value of acid water keeps normal acidity, be convenient for follow-up pickling work, can guarantee pickling waste water's recovery efficiency, avoid extravagant, reduce the influence to the environment, and can practice thrift the cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a cross-sectional view of a treatment tank of the present invention;

FIG. 2 is a front view of the treatment tank of the present invention;

fig. 3 isbase:Sub>A sectional view of the structure atbase:Sub>A-base:Sub>A in fig. 1.

In the figure: 1 treatment box, 2 filtration storehouse, 3 aeration storehouse, 4 flocculation storehouse, 5 acidification storehouse, 6 inlet, 7 filtration mouths, 8 first spiral material conveying pole, 9 first motor, 10 puddler, 11 aeration machine, 12 electric flocculation device, 13PH detector, 14 acidification mouth, 15 conveying pipeline, 16 second motor, 17 second spiral material conveying pole, 18 drain pipes, 19 unloading pipe, 20 sand filter, 21 first water pump, 22 back flow, 23 second water pump, 24 gate valves, 25 third motor, 26 sediment section of thick bamboo, 27 thread plug lid.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

Referring to fig. 1, fig. 2 and fig. 3, the utility model provides a cold rolling stainless steel annealing pickling line effluent disposal system, including handling case 1, handle 1 inside filtration storehouse 2, aeration storehouse 3, flocculation storehouse 4 and the acidification storehouse 5 that are equipped with mutual intercommunication of handling case, filter 2 one side upper ends in storehouse and be equipped with inlet 6, filter 2 bottoms in storehouse and rotate and install first

spiral conveying pole

8, 1 outside surface of handling case is equipped with row sediment section of thick bamboo 26 in first spiral conveying pole 8 one end, installs screw plug lid 27 on arranging sediment section of thick bamboo 26, when filtering 2 bottoms in storehouse and deposiing certain degree filth, through opening screw plug lid 27, start first spiral conveying pole 8 and rotate, first spiral conveying pole 8 can be with the filth from arranging sediment section of thick bamboo 26 and discharge, filter 2 lateral wall in storehouse has evenly seted up a plurality of intercommunication and is located aeration storehouse 3 filter 7, filter 7 in fixed mounting has the flocculation storehouse 11, flocculation storehouse 3 top fixed mounting has aeration storehouse 12, flocculation storehouse 4 in bottom fixed mounting has electric flocculation storehouse 12, electric flocculation acid discharge device 12 has seted up the technology, acid discharge storehouse 5 and acid addition mud is installed the top and is equipped with the acid detection mechanism 13, and is installed the flocculation storehouse 13 the acid mud return flow detection mechanism, and is installed the pH detection mechanism 13 the top, and is installed the flocculation storehouse, the bottom.

In this embodiment, a stirring rod 10 is installed inside the aeration bin 3, and a first motor 9 for driving the stirring rod 10 to rotate is fixedly installed at the top of the aeration bin 3.

In this embodiment, arrange mud mechanism and include conveying pipeline 15 and second spiral conveying pole 17, conveying pipeline 15 fixed mounting is in acidification storehouse 5 bottom, and conveying pipeline 15 one end communicates in flocculation storehouse 4, second spiral conveying pole 17 rotates and installs in conveying pipeline 15, reflux unit intercommunication is installed in conveying pipeline 15 bottom one end.

In this embodiment, the backflow device includes a feeding pipe 19, a sand filter 20, a first water pump 21 and a backflow pipe 22, two ends of the feeding pipe 19 are respectively connected to the feeding pipe 15 and the sand filter 20, two ends of the backflow pipe 22 are respectively connected to the first water pump 21 and the flocculation bin 4, and a water inlet end of the first water pump 21 is connected to the sand filter 20.

In this embodiment, a third motor 25 and a second motor 16 for driving the first spiral conveying rod 8 and the second spiral conveying rod 8 are respectively fixedly installed outside the treatment box 1.

In this embodiment, install gate valve 24 on inlet 6, close gate valve 24 and can make things convenient for the clear material work of first spiral conveying pole 8.

In this embodiment, the lower end of one side of the acid adding bin 5 is connected with the liquid outlet pipe 18 in a communicating manner, one end of the liquid outlet pipe 18 is connected with the second water pump 23 in a communicating manner, and acid liquor after treatment can be discharged through the second water pump 23.

The working principle is as follows: opening a gate valve 24, enabling pickling wastewater to enter a filter bin 2 through a liquid inlet 6, enabling large-particle impurities in the pickling wastewater to be left in the filter bin 2 through the filtering action of a filter opening 7, enabling filtered sewage to enter an aeration bin 3, conveying oxygen through an aerator 11, converting iron and manganese ions in the sewage into high-valence oxides and hydroxides, enabling the sewage to enter a flocculation bin 4, enabling an electrocoagulation device 12 to generate OH ions in the sewage in the process of an electric reaction, separating out insoluble substances in combination with the iron and manganese ions, starting a second spiral conveying rod 17, enabling insoluble substance mixed water to enter a material conveying pipe 15 at the moment, enabling the insoluble substance mixed water to enter a sand filter 20 through a discharging pipe 19, enabling the insoluble substances to be filtered by the sand filter 20, and enabling the filtered water to enter the flocculation bin 4 through a first water pump 21 and a return pipe 22 for further reaction; the acid water that gets into in the acidification storehouse 5 has had certain cleanliness factor, detects its pH value through pH detector 13, and according to pH value, the staff can add hydrochloric acid in acidification mouth 14, guarantees that the pH value of acid water keeps normal acidity, the follow-up pickling work of being convenient for.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, and the protection scope of the present invention should not be exceeded by the claims.

Claims

1. The utility model provides a cold rolling stainless steel annealing pickling line effluent disposal system, is including handling the case, its characterized in that: the inside filter bin, aeration storehouse, flocculation storehouse and the acidification storehouse that communicates each other that are equipped with of processing case, filter bin one side upper end and be equipped with the inlet, filter the storehouse bottom and rotate and install first spiral conveying pole, processing case outside surface is equipped with at first spiral conveying pole one end and arranges the sediment section of thick bamboo, arranges and installs the screw plug lid on the sediment section of thick bamboo, filter a plurality of filter openings that communicate in aeration storehouse are evenly seted up to storehouse lateral wall, and fixed mounting has the filter screen in the filter opening, aeration storehouse top fixed mounting has the aeration machine, bottom fixed mounting has the electric flocculation device in the flocculation storehouse, acidification storehouse top has been seted up the acidification mouth, and acidification storehouse top fixed mounting has the PH detector, and the sense terminal of PH detector is inserted and is located the acidification storehouse, and acidification storehouse bottom is installed and is arranged mud mechanism, arranges mud mechanism and installs reflux unit bottom.

2. The wastewater treatment system of the cold-rolled stainless steel annealing and pickling line of claim 1, characterized in that: aeration storehouse internally mounted has the puddler, and aeration storehouse top fixed mounting has and is used for driving puddler pivoted first motor.

3. The wastewater treatment system of the cold-rolled stainless steel annealing and pickling line of claim 1, characterized in that: the sludge discharge mechanism comprises a conveying pipe and a second spiral conveying rod, the conveying pipe is fixedly installed at the bottom in the acidification bin, one end of the conveying pipe is communicated with the flocculation bin, the second spiral conveying rod is rotatably installed in the conveying pipe, and the reflux device is communicated and installed at one end of the bottom of the conveying pipe.

4. The wastewater treatment system of the cold-rolled stainless steel annealing and pickling line of claim 3, characterized in that: the backflow device comprises a discharging pipe, a sand filter, a first water pump and a backflow pipe, wherein two ends of the discharging pipe are respectively communicated and connected with the conveying pipe and the sand filter, two ends of the backflow pipe are respectively communicated and connected with the first water pump and the flocculation bin, and a water inlet end of the first water pump is communicated and connected with the sand filter.

5. The wastewater treatment system of the cold-rolled stainless steel annealing and pickling line of claim 3, characterized in that: and a third motor and a second motor for driving the first spiral conveying rod and the second spiral conveying rod are fixedly arranged outside the treatment box respectively.

6. The wastewater treatment system of the cold-rolled stainless steel annealing pickling line according to claim 1, characterized in that: and a gate valve is arranged on the liquid inlet.

7. The wastewater treatment system of the cold-rolled stainless steel annealing and pickling line of claim 1, characterized in that: the lower end of one side of the acid adding bin is communicated and connected with a liquid outlet pipe, and one end of the liquid outlet pipe is communicated and connected with a second water pump.