CN214990819U

CN214990819U - Solid-liquid separation device in fluorine-containing wastewater membrane treatment system

Info

Publication number: CN214990819U
Application number: CN202121410293.2U
Authority: CN
Inventors: 刘康华; 任海峰
Original assignee: Wuxi Qingnuo Environmental Engineering Co Ltd
Current assignee: Wuxi Qingnuo Environmental Engineering Co Ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-12-03
Anticipated expiration: 2031-06-23

Abstract

The utility model relates to a solid-liquid separation equipment among fluoride waste water membrane processing system, it includes the catch basin, the lower part of catch basin communicates in acid-base reaction tank, the catch basin internal rotation is connected with the solid-liquid separation bucket, the top intercommunication of solid-liquid separation bucket has the hybrid tube, the hybrid tube is used for inserting mixed flocculant's fluoride waste water, it has a plurality of apopores to open on the perisporium of solid-liquid separation bucket, be connected with on the catch basin and be used for driving solid-liquid separation bucket pivoted drive assembly. This application has the effect that improves solid-liquid separation.

Description

Solid-liquid separation device in fluorine-containing wastewater membrane treatment system

Technical Field

The application relates to the field of wastewater treatment, in particular to a solid-liquid separation device in a membrane treatment system for fluorine-containing wastewater.

Background

With the rapid development of the industry, more and more wastewater is generated in the production process, wherein the discharge of wastewater containing fluorine is in an increasing trend. Excessive fluorine in the wastewater permeates into soil and is transferred to plants from the soil, so that the growth of the plants is hindered, and the drinking water source is polluted. The fluorine-containing waste water is mainly from the industrial production of metallurgy, glass, plastics, cement, steel, aluminum electrolysis, phosphate fertilizer and the like.

Chinese patent No. CN210736399U discloses a fluorine-containing wastewater membrane treatment device, which comprises a coagulation sedimentation device and a membrane treatment device; the membrane processing device has set gradually acid-base reaction pond, filtering ponds, one-level membrane processing system, second grade membrane processing system and discharge tank, dense water tank and circulation tank are connected simultaneously to one-level membrane processing system's delivery port, dense water tank's delivery port with second grade membrane processing system's access connection, second grade membrane processing system's delivery port connect simultaneously discharge pond with circulation tank, circulation tank with one-level membrane processing system's access connection, the one-level treatment delivery port with acid-base reaction tank's access connection.

With respect to the related art in the above, the inventors consider that: in the coagulation sedimentation device, the fluorine-containing wastewater reacts with a flocculating agent to generate a flocculation precipitate, the flocculation precipitate is settled to the bottom of the coagulation sedimentation tank under the action of gravity, and the wastewater enters a membrane treatment system. The solid-liquid separation is carried out between the waste water and the flocculated precipitate through self weight, the effect of the solid-liquid separation is poor, the required time is long, and the defluorination efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the effect of solid-liquid separation, the application provides a solid-liquid separation equipment among fluorine-containing wastewater membrane processing system.

The application provides a solid-liquid separation equipment among fluoride waste water membrane processing system adopts following technical scheme:

the utility model provides a solid-liquid separation equipment among fluoride waste water membrane processing system, includes the catch basin, the lower part of catch basin communicates in acid-base reaction tank, the catch basin internal rotation is connected with solid-liquid separation bucket, solid-liquid separation bucket's top intercommunication has the hybrid tube, the hybrid tube is used for inserting mixed flocculant's fluoride waste water, it has a plurality of apopores to open on solid-liquid separation bucket's the perisporium, be connected with on the catch basin and be used for driving solid-liquid separation bucket pivoted drive assembly.

Through adopting above-mentioned technical scheme, in fluoride waste water passed through the hybrid tube and got into the solid-liquid separation bucket, simultaneously, drive assembly drive solid-liquid separation bucket rotated, and under the effect of centrifugal force, the flocculation and precipitation was stayed in the solid-liquid separation bucket, and waste water flows out from the apopore fast, has improved solid-liquid separation's effect and speed.

Optionally, the driving assembly includes a gear ring fixedly sleeved on the outer peripheral wall of the mixing tube, and a driving motor connected to the water collecting tank, and a gear engaged with the gear ring is fixedly sleeved on an output shaft of the driving motor.

Through adopting above-mentioned technical scheme, driving motor's output shaft rotates, drives gear revolve, and the gear drives the ring gear and rotates, has realized the linkage to solid-liquid separation bucket.

Optionally, the inner wall of the solid-liquid separation barrel is connected with a filter screen, and the diameter of the filter screen is smaller than the diameter of the water outlet hole.

Through adopting above-mentioned technical scheme, the filter screen carries out the separation to the flocculation and precipitation in the waste water, has reduced the less flocculation and precipitation of volume and has followed the possibility that the apopore flows, and then has improved solid-liquid separation's effect.

Optionally, the solid-liquid separation barrel is connected with a backwashing assembly, the backwashing assembly comprises a flushing pipe fixedly inserted in the solid-liquid separation barrel and a switching pipe communicated with the flushing pipe and located at the outer end of the solid-liquid separation barrel, a water outlet of the flushing pipe is arranged towards the filter screen, and an external water source is connected to the switching pipe.

By adopting the technical scheme, the backwashing component washes the filter screen, so that the possibility that flocculated sediments are attached to the filter screen to block the meshes of the filter screen and further cause the waste water to flow slowly is reduced.

Optionally, the bottom intercommunication of solid-liquid separation bucket has the blow off pipe, the blow off pipe runs through the catch basin, the tip that solid-liquid separation bucket was kept away from to the blow off pipe is used for inserting the sludge impoundment, be equipped with the blowoff valve on the blow off pipe, the blowoff valve is located outside the catch basin.

Through adopting above-mentioned technical scheme, blow off pipe and blowoff valve mutually support, discharge the flocculation and precipitation in the solid-liquid separation bucket, have improved the convenience that the flocculation and precipitation discharged.

Optionally, a material guide hopper is fixedly connected between the bottom of the solid-liquid separation barrel and the sewage discharge pipe, one end of the material guide hopper is communicated with the solid-liquid separation barrel, and the other end of the material guide hopper is communicated with the sewage discharge pipe.

Through adopting above-mentioned technical scheme, the inner wall landing along the guide fill of flocculation and precipitation is collected flocculation and precipitation, has improved the thoroughness that flocculation and precipitation discharged.

Optionally, fixedly connected with upper and lower surface all is the installation section of thick bamboo that link up the form on the interior diapire of catch basin, it has a plurality of holes of permeating water to open on the periphery wall of installation section of thick bamboo, form between installation section of thick bamboo and the catch basin and separate the chamber, the solid-liquid separation bucket is located the installation section of thick bamboo, it has the filter material to fill in the chamber.

Through adopting above-mentioned technical scheme, the filter material filters waste water, has further improved the cleanliness factor of waste water.

Optionally, a gap is left between the outer wall of the solid-liquid separation barrel and the inner wall of the mounting barrel.

By adopting the technical scheme, the stability of the rotation process of the solid-liquid separation barrel is ensured, and the wastewater can flow conveniently.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fluorine-containing wastewater enters the solid-liquid separation barrel through the mixing pipe, meanwhile, the driving assembly drives the solid-liquid separation barrel to rotate, the flocculated precipitate is remained in the solid-liquid separation barrel under the action of centrifugal force, and the wastewater flows out of the water outlet hole quickly, so that the effect and speed of solid-liquid separation are improved;

2. the back washing component washes the filter screen, so that the possibility that flocculated sediments are attached to the filter screen to block the meshes of the filter screen, and further the wastewater flow is slowed down is reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a cross-sectional view of a filter media of an embodiment of the present application.

Description of reference numerals: 1. a water collecting tank; 101. a water outlet pipe; 102. mounting a plate; 2. a solid-liquid separation barrel; 201. a barrel body of the separation barrel; 2011. a water outlet hole; 2012. a filter screen; 202. the cover of the separation barrel; 3. a mixing tube; 4. a drive assembly; 401. a ring gear; 402. a drive motor; 403. a gear; 5. a material guide hopper; 6. a blow-off pipe; 601. a blowoff valve; 7. a backwash assembly; 701. a flush tube; 702. a transfer tube; 8. mounting the cylinder; 801. water permeable holes; 9. and (5) filtering the material.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses solid-liquid separation equipment in a fluorine-containing wastewater membrane treatment system. Referring to fig. 1, the solid-liquid separation device in the fluorine-containing wastewater membrane treatment system comprises a water collecting tank 1, wherein the bottom of the water collecting tank 1 is fixedly connected with a horizontally arranged water outlet pipe 101, and the end part of the water collecting tank 1 far away from the water outlet pipe 101 is used for being connected to an alkali reaction tank.

Referring to fig. 1, a solid-liquid separation barrel 2 is arranged in a water collecting tank 1, the solid-liquid separation barrel 2 comprises a separation barrel body 201 and a separation barrel cover 202, and the separation barrel cover 202 is connected to the top of the separation barrel body 201 through a bolt. Fixedly insert the mixing tube 3 of establishing vertical setting on separation bucket bung 202, in the bottom of mixing tube 3 stretched into separation bucket staving 201, the top of mixing tube 3 inserted the fluoride containing waste water of mixed flocculating agent.

Referring to fig. 1 and 2, a tub body 201 of the separation tub is rotatably coupled to an inner bottom wall of a sump 1 through a bearing, and a driving assembly 4 is coupled to the sump 1. A plurality of water outlet holes 2011 are formed in the circumferential wall of the separation barrel body 201, and the plurality of water outlet holes 2011 are formed along the circumferential direction of the separation barrel body 201.

Referring to fig. 2, because solid-liquid separation's in-process, the less flocculation and precipitation of volume probably flows from apopore 2011, fixedly connected with filter screen 2012 on the inner wall of separation bucket staving 201, filter screen 2012 carries out the separation to flocculation and precipitation, has improved the filter effect.

Operating personnel pours into the fluorine-containing waste water of mixed flocculating agent into separation barrel staving 201 through mixing tube 3 in, simultaneously, drive assembly 4 drive separation barrel staving 201 rotates, and under the effect of centrifugal force, the flocculation and precipitation stays in separation barrel staving 201, and waste water flows out from apopore 2011 fast to flow into in the acid-base reaction tank through outlet pipe 101, improved solid-liquid separation's effect, simultaneously, improved solid-liquid separation's speed.

Referring to fig. 1, the driving assembly 4 includes a gear ring 401 and a driving motor 402, wherein the gear ring 401 is fixedly sleeved on the outer circumferential wall of the mixing tube 3. The upper surface of the water collecting tank 1 is fixedly connected with a horizontally arranged mounting plate 102, and a driving motor 402 is vertically arranged and is connected to the upper surface of the mounting plate 102 through a bolt. An output shaft of the driving motor 402 penetrates through the mounting plate 102, a gear 403 is fixedly sleeved on the output shaft of the driving motor 402, and the gear 403 is meshed with the gear ring 401.

The output shaft of the driving motor 402 rotates, the driving gear 403 rotates, the gear 403 is linked with the gear ring 401, and the gear ring 401 rotates, so that the separation barrel body 201 rotates.

Referring to fig. 2, the flocculation sediment is collected in separation bucket staving 201 under the effect of self gravity, and in order to facilitate discharging the flocculation sediment, the bottom fixedly connected with of separation bucket staving 201 inner wall is vertical guide 5 that sets up, and the axis collineation of guide 5 and separation bucket staving 201.

Referring to fig. 1 and 2, the inner diameter of the bottom end of the guide hopper 5 is smaller than the inner diameter of the top end of the guide hopper 5, the bottom end of the guide hopper 5 is fixedly connected with a vertically arranged drain pipe 6, and the end part of the drain pipe 6, which is far away from the solid-liquid separation barrel 2, is used for being connected into a sludge tank. The blow-off pipe 6 runs through the water collecting tank 1, and a blow-off valve 601 positioned outside the water collecting tank 1 is arranged on the blow-off pipe 6.

When the flocculated sediment needs to be discharged, the drain valve 601 is opened, and the flocculated sediment falls to the bottom of the separation barrel body 201 through self gravity. Meanwhile, the sludge slides to the port of the sewage discharge pipe 6 along the inner wall of the guide hopper 5, and the flocculated precipitate is discharged to a sludge tank through the sewage discharge pipe 6.

Referring to fig. 1 and 2, as the usage time increases, the amount of sediment adhering to the filter screen 2012 increases. In order to ensure the filtering effect of the filter screen 2012, a back washing component 7 is connected to the solid-liquid separation barrel 2. The back washing component 7 comprises a washing pipe 701 and an adapter pipe 702, wherein the washing pipe 701 is provided with a plurality of washing pipes along the circumferential direction of the separation barrel cover 202. Each flushing pipe 701 penetrates through the separation bucket lid 202 and is fixedly connected with the separation bucket lid 202.

Referring to fig. 2, the bottom end of the flushing pipe 701 is located inside the separation tub body 201 and is disposed toward the filter screen 2012, and the top end of the flushing pipe 701 is located outside the separation tub body 201. The adapter tube 702 is communicated with the top end of the flushing tube 701, one end of the adapter tube 702 is closed, and the other end of the adapter tube 702 is used for being connected with an external water source.

During cleaning, the solid-liquid separation device stops running, the adapter tube 702 is connected to a water source, water flow is transmitted along the adapter tube 702 until the water flow enters the flushing tube 701, finally, the water flow is sprayed onto the filter screen 2012 through an outlet of the flushing tube 701, the filter screen 2012 is cleaned, attachments on the filter screen 2012 are washed away, and the filtering effect of the filter screen 2012 is improved. The flushed attachments are discharged through the sewage discharge pipe 6.

Referring to fig. 1, in order to further filter wastewater, a vertically arranged installation cylinder 8 is fixedly connected to the inner bottom wall of the water collecting tank 1, and the installation cylinder 8 is a cylinder with a through-shaped upper surface and a through-shaped lower surface. The installation barrel 8 and the solid-liquid separation barrel 2 are coaxially arranged. The solid-liquid separation barrel 2 is positioned in the installation barrel 8, and a space is reserved between the outer wall of the solid-liquid separation barrel 2 and the inner wall of the installation barrel 8.

Referring to fig. 2, a plurality of water permeable holes 801 are formed in the outer peripheral wall of the installation cylinder 8, a separation chamber is formed by the outer wall of the installation cylinder 8 and the inner wall of the water collecting tank 1, a filter material 9 is filled in the separation chamber, and the filter material 9 is a glass ball filter material. The glass filter material has better filtering performance, can remove more impurities, and has biological resistance and self-disinfection capacity, so that the whole filtering system is healthier, more ecological and more economical.

The implementation principle of the solid-liquid separation device in the membrane treatment system for fluorine-containing wastewater in the embodiment of the application is as follows: operating personnel pours into the fluorine-containing waste water of mixed flocculating agent into separation bucket staving 201 through mixing tube 3 in, simultaneously, opens driving motor 402, and driving motor 402 passes through gear 403 and ring gear 401, and drive separation bucket staving 201 rotates, and under the effect of centrifugal force, the flocculation deposit stays in separation bucket staving 201, and waste water flows out from apopore 2011 fast to get into through the hole 801 that permeates water and separate the intracavity. The glass filter material 9 further performs secondary filtration on the wastewater, and the filtered wastewater flows into the acid-base reaction tank through the water outlet pipe 101.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a solid-liquid separation equipment among fluoride waste water membrane processing system, includes catch basin (1), the lower part of catch basin (1) communicates in acid-base reaction tank, its characterized in that: the improved wastewater treatment device is characterized in that a solid-liquid separation barrel (2) is connected to the inner rotation of the water collecting tank (1), a mixing pipe (3) is communicated with the top of the solid-liquid separation barrel (2), the mixing pipe (3) is used for connecting fluorine-containing wastewater of a mixed flocculant, a plurality of water outlet holes (2011) are formed in the peripheral wall of the solid-liquid separation barrel (2), and a driving assembly (4) used for driving the solid-liquid separation barrel (2) to rotate is connected to the water collecting tank (1).

2. The solid-liquid separation apparatus in a fluorine-containing wastewater membrane treatment system according to claim 1, characterized in that: drive assembly (4) including fixed cover establish ring gear (401) of hybrid tube (3) periphery wall, connect in driving motor (402) of catch basin (1), fixed cover is equipped with gear (403) with ring gear (401) engaged with on the output shaft of driving motor (402).

3. The solid-liquid separation apparatus in a fluorine-containing wastewater membrane treatment system according to claim 1, characterized in that: the inner wall of the solid-liquid separation barrel (2) is connected with a filter screen (2012), and the diameter of the filter screen (2012) is smaller than the diameter of the water outlet hole (2011).

4. The solid-liquid separation apparatus in a fluorine-containing wastewater membrane treatment system according to claim 3, characterized in that: the solid-liquid separation barrel (2) is connected with a backwashing assembly (7), the backwashing assembly (7) comprises a flushing pipe (701) fixedly inserted in the solid-liquid separation barrel (2) and a switching pipe (702) communicated with the flushing pipe (701) and located at the outer end of the solid-liquid separation barrel (2), a water outlet of the flushing pipe (701) is arranged towards the filter screen (2012), and an external water source is connected to the switching pipe (702).

5. The solid-liquid separation apparatus in a fluorine-containing wastewater membrane treatment system according to claim 1, characterized in that: the bottom intercommunication of solid-liquid separation bucket (2) has blow off pipe (6), blow off pipe (6) run through collecting sump (1), the tip that solid-liquid separation bucket (2) were kept away from in blow off pipe (6) is used for inserting the sludge impoundment, be equipped with blowoff valve (601) on blow off pipe (6), blowoff valve (601) are located outside collecting sump (1).

6. The solid-liquid separation apparatus in a fluorine-containing wastewater membrane treatment system according to claim 5, characterized in that: fixedly connected with guide hopper (5) between the bottom of solid-liquid separation bucket (2) and blow off pipe (6), the one end of guide hopper (5) communicates in solid-liquid separation bucket (2), the other end of guide hopper (5) communicates in blow off pipe (6).

7. The solid-liquid separation apparatus in a fluorine-containing wastewater membrane treatment system according to claim 1, characterized in that: fixedly connected with upper and lower surface all is the installation section of thick bamboo (8) that link up the form on the interior diapire of catch basin (1), it has a plurality of holes (801) of permeating water to open on the periphery wall of installation section of thick bamboo (8), form between installation section of thick bamboo (8) and catch basin (1) and separate the chamber, solid-liquid separation bucket (2) are located installation section of thick bamboo (8), it has filter material (9) to fill up in separating the chamber.

8. The solid-liquid separation apparatus in a fluorine-containing wastewater membrane treatment system according to claim 7, characterized in that: and a space is reserved between the outer wall of the solid-liquid separation barrel (2) and the inner wall of the mounting barrel (8).