CN215161565U

CN215161565U - Device for treating low-concentration phosphorus-containing sewage and recovering adsorbent

Info

Publication number: CN215161565U
Application number: CN202121218887.3U
Authority: CN
Inventors: 朱泽华; 李路程; 卢奕炜; 李思敏; 李振炫; 沈亚飞; 左晓俊
Original assignee: Nanjing University of Information Science and Technology
Current assignee: Nanjing University of Information Science and Technology
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-14
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a be used for phosphorus sewage treatment of low concentration and adsorbent recovery unit, the power distribution box comprises a box body, the interior diapire fixedly connected with reaction tank of box, the interior diapire fixedly connected with filtering ponds of box. The operation flow of the utility model is greatly simplified, the complex flow is avoided, the adsorption effect of the adsorbent is fully utilized, the dynamic membrane is combined to further improve the treatment effect, the deep treatment of the low-concentration phosphorus-containing sewage is realized, the process cancels the addition of the medicament for recovering the adsorbent, and the medicament consumption is reduced; meanwhile, the interception of the dynamic membrane layer is utilized to realize the recovery of the adsorbent, the operation steps of the recovery of the adsorbent are greatly simplified, no other additional energy consumption process exists except the scraping and clearing operation of the new membrane layer, the process energy consumption is lower, and the effluent quality is improved.

Description

Device for treating low-concentration phosphorus-containing sewage and recovering adsorbent

Technical Field

The utility model relates to a waste water treatment field especially relates to a be used for phosphorus-containing sewage treatment of low concentration and adsorbent recovery unit.

Background

The adsorption method is widely applied to dephosphorization by the advantages of large capacity, low energy consumption, small pollution, quick removal, recyclability and the like, adsorbents such as activated carbon appear mostly in a modified mode, the dephosphorization effect is improved by enhancing the chemical adsorption capacity of the activated carbon, the fly ash is taken as the adsorbent at present, the research is carried out on the regular characteristic of simulating the dephosphorization of wastewater by phosphorus content of 50-120 mg/L, the research shows that the fly ash contains more activated alumina, silicon oxide and the like, has a considerable adsorption effect, does not purely adsorb inorganic phosphate radicals, can generate an insoluble or directly soluble precipitation phenomenon, and has a very strong application prospect in the aspect of wastewater treatment, the current biological method mainly has an A/O, A2/O, UCT process, is mainly suitable for treating low-concentration and organic phosphorus-containing wastewater, but reasonably recycles the adsorbent, the related technologies are not numerous so far, and whether the dynamic membrane technology can be combined with the adsorption technology, and no relevant technology shows yet.

Patent CN205011499U discloses a phosphorus-containing sewage treatment system, which comprises a grid groove, an oil separation tank and an adjusting tank, wherein a water outlet is provided with a purifying device, and the water is finally adjusted to reach the standard and then discharged after entering a final adjusting tank. The advantage is phosphorus-containing deposits and is got rid of in the sludge bucket, the settling zone is distinguished with the reaction zone, eliminate the interact between two steps, the dephosphorization is effectual, the shortcoming process is many, the flexibility is lower, patent CN109911957A has invented a be used for phosphorus-containing waste water treatment's the purifier of retrieving of being convenient for, the advantage is that people can retrieve the struvite, cross the offeing medicine and the stirring position of the adjustable medicament of rabbling mechanism, make the abundant contact reaction of magnesium ion in nitrogen phosphorus element and the medicament in the waste water, guarantee purifying effect, the practicality of equipment has been improved, but operation process is more, it is more complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a device for treating low-concentration phosphorus-containing sewage and recovering an adsorbent.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a be used for low concentration phosphorus sewage treatment and adsorbent recovery unit, includes the box, the interior diapire fixedly connected with reaction tank of box, the interior diapire fixedly connected with filtering ponds of box, the interior diapire fixedly connected with outlet basin of box, the interior roof fixedly connected with agitator of box, the bottom of agitator extends to the inside of reaction tank, the interior roof fixedly connected with suction pump of box, the inner wall fixedly connected with baffle of box, the fixed intercommunication of input of suction pump has first return bend, the one end that the suction pump was kept away from to first return bend runs through the baffle and extends to the inner wall of reaction tank, the fixed intercommunication of output of suction pump has first drain pipe, the inner wall fixedly connected with dynamic membrane module of filtering ponds, the interior diapire fixedly connected with elevator pump of box, the fixed intercommunication of output of elevator pump has the second return bend, and one end of the second elbow pipe, which is far away from the lift pump, is fixedly communicated with the output end of the dynamic membrane module.

A pressure gauge is arranged above the box body, the bottom end of the pressure gauge penetrates through the box body and is fixedly communicated with the outer surface of the second bent pipe, the output end of the lift pump is fixedly communicated with a second drain pipe, the bottom end of the second drain pipe extends into the water outlet pool, the left side surface of the water outlet pool is fixedly connected with a reflux pump, the input end of the reflux pump is fixedly communicated with a third bent pipe, one end of the third elbow pipe, which is far away from the reflux pump, is fixedly communicated with the left side surface of the water outlet pool, the output end of the reflux pump is fixedly communicated with a third water discharge pipe, one end of the third drain pipe, which is far away from the reflux pump, extends into the filtering tank, the inner top wall of the box body is fixedly communicated with a feed pipe, the right side face of the water outlet pool is fixedly communicated with a water outlet pipe, the right end of the water outlet pipe penetrates through the box body and extends to the right side of the box body, and the front face of the box body is fixedly connected with a control panel.

As a further description of the above technical solution:

a nameplate is arranged in front of the box body, and the back face of the nameplate is fixedly connected with the front face of the box body.

As a further description of the above technical solution:

the front of the box body is fixedly embedded with a glass plate, and the glass plate is positioned above the filter tank.

As a further description of the above technical solution:

the top of box is equipped with the feeder hopper, the bottom of feeder hopper and the fixed intercommunication in top of inlet pipe.

As a further description of the above technical solution:

the inner wall piston of outlet pipe is connected with the sealing plug, the front fixed mosaic of box has the pilot lamp of equidistance arrangement, the outer fixed surface of agitator is connected with solid fixed ring, gu fixed ring's upper surface and the interior roof fixed connection of box.

As a further description of the above technical solution:

the below of box is equipped with two sets of supporting legs, every the upper surface of supporting leg all with the bottom surface fixed connection of box.

The utility model discloses following beneficial effect has: the operation flow is greatly simplified, the complex flow is avoided, the adsorption effect of the adsorbent is fully utilized, the treatment effect is improved by combining with the dynamic membrane, the deep treatment of the low-concentration phosphorus-containing sewage is realized, the process cancels the addition of the medicament for recovering the adsorbent, and the medicament consumption is reduced; meanwhile, the interception of the dynamic membrane layer is utilized to realize the recovery of the adsorbent, the operation steps of the recovery of the adsorbent are greatly simplified, no other additional energy consumption process exists except the scraping and clearing operation of the new membrane layer, the process energy consumption is lower, and the effluent quality is improved.

Drawings

FIG. 1 is a sectional view of a front view of a housing of a device for treating low-concentration phosphorus-containing sewage and recovering an adsorbent according to the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the box body of the device for treating low-concentration phosphorus-containing sewage and recovering the adsorbent.

Illustration of the drawings:

1. a reaction tank; 2. a stirrer; 3. a water pump; 4. a filtration tank; 5. a dynamic membrane module; 6. a pressure gauge; 7. a lift pump; 8. a water outlet pool; 9. a reflux pump; 10. a box body; 11. supporting legs; 12. a feed pipe; 13. a feed hopper; 14. a fixing ring; 15. a first bend pipe; 16. a first drain pipe; 17. a second bend pipe; 18. a second drain pipe; 19. a third drain pipe; 20. a third bend; 21. a water outlet pipe; 22. a partition plate; 23. an indicator light; 24. a glass plate; 25. a nameplate; 26. a control panel; 27. and (4) sealing the plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: a device for treating low-concentration phosphorus-containing sewage and recovering an adsorbent comprises a box body 10, wherein the inner bottom wall of the box body 10 is fixedly connected with a reaction tank 1, the inner bottom wall of the box body 10 is fixedly connected with a filter tank 4, the inner bottom wall of the box body 10 is fixedly connected with a water outlet tank 8, the inner top wall of the box body 10 is fixedly connected with a stirrer 2, the bottom end of the stirrer 2 extends into the reaction tank 1, the inner top wall of the box body 10 is fixedly connected with a water suction pump 3, the inner wall of the box body 10 is fixedly connected with a partition plate 22, the input end of the water suction pump 3 is fixedly communicated with a first elbow pipe 15, one end, far away from the water suction pump 3, of the first elbow pipe 15 penetrates through the partition plate 22 and extends to the inner wall of the reaction tank 1, the output end of the water suction pump 3 is communicated with a first drainage pipe 16, the inner wall of the filter tank 4 is fixedly connected with a dynamic membrane component 5, the inner bottom wall of the box body 10 is fixedly connected with a lift pump 7, the output end of the lift pump 7 is communicated with a second elbow pipe 17, and one end of the second elbow pipe 17 far away from the lift pump 7 is fixedly communicated with the output end of the dynamic membrane module 5.

The top of box 10 is equipped with pressure gauge 6, the bottom of pressure gauge 6 runs through box 10 and communicates with the external fixed surface of second return bend 17, the fixed intercommunication of the output end of elevator pump 7 has second drain pipe 18, the bottom of second drain pipe 18 extends to the inside of play pond 8, the left surface fixedly connected with backwash pump 9 of play pond 8, the fixed intercommunication of the input of backwash pump 9 has third return bend 20, the fixed intercommunication of one end and the left surface of play pond 8 that backwash pump 9 was kept away from to third return bend 20, the fixed intercommunication of the output of backwash pump 9 has third drain pipe 19, the one end that backwash pump 9 was kept away from to third drain pipe 19 extends to the inside of filtering ponds 4, the fixed intercommunication of interior roof of box 10 has inlet pipe 12, the fixed intercommunication of the right flank of play pond 8 has outlet pipe 21, the right-hand member of outlet pipe 21 runs through box 10 and extends to the right side of box 10, the front fixedly connected with control panel 26 of box 10.

The place ahead of box 10 is equipped with data plate 25, the back of data plate 25 and the positive fixed connection of box 10, can show the device's product information through data plate 25, so that the staff understands, the fixed glass board 24 that inlays in front of box 10, glass board 24 is located the top of filtering ponds 4, can observe box 10 inside through being equipped with glass board 24, so that know the inside water yield of reacting tank 1, the top of box 10 is equipped with feeder hopper 13, the bottom of feeder hopper 13 and the fixed intercommunication in top of inlet pipe 12, water injection and notes material can be convenient for through being equipped with feeder hopper 13, prevent that unrestrained phenomenon from taking place.

The inner wall piston of outlet pipe 21 is connected with sealing plug 27, the fixed pilot lamp 23 of inlaying the equidistance and arranging in the front of box 10, the outer fixed surface of agitator 2 is connected with solid fixed ring 14, gu fixed ring 14's upper surface and the interior roof fixed connection of box 10, can show the operating condition of the device through being equipped with pilot lamp 23, and can consolidate agitator 2 through solid fixed ring 14, thereby prevent that not hard up phenomenon from taking place in the long-time work of agitator 2, the below of box 10 is equipped with two sets of supporting legs 11, the upper surface of every supporting leg 11 all with the bottom surface fixed connection of box 10, can support box 10 through supporting leg 11, prevent that the bottom surface of box 10 from receiving to cut to pieces and rub.

The working principle is as follows: when the device is used, the device is connected with a power supply and is controlled by a control panel 26, an adsorbent is added into a reaction tank 1, the mixture is stirred for 30 minutes by a stirrer 2, low-concentration phosphorus-containing sewage in the reaction tank 1 is introduced into a filtering tank 4 loaded with a dynamic membrane component 5 by a water suction pump 3, the low-concentration phosphorus-containing sewage containing the adsorbent gradually forms a new membrane layer on the dynamic membrane component 5, the thickness of the new membrane layer is continuously increased in the formation process of the new membrane layer, the filtering precision of the new membrane layer is further improved, the micro-particles in the low-concentration phosphorus-containing sewage are separated, the turbidity is reduced, filtered water enters a water outlet tank 8 by a water pumping mode of a lifting pump 7, an effluent water backflow mode is adopted, the effluent water is lifted and refluxed into the filtering tank 4 by a reflux pump 9, the adsorption effect is further improved, when the pressure above the dynamic membrane component 5 reaches a certain value, the formed membrane layer is scraped and removed, the recovery of the adsorbent is realized, and then the next period of operation is carried out.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a be used for phosphorus-containing sewage treatment of low concentration and adsorbent recovery unit, includes box (10), its characterized in that: the inner bottom wall of box (10) is fixed and connected with reaction tank (1), the inner bottom wall fixedly connected with filtering ponds (4) of box (10), the inner bottom wall fixedly connected with outlet ponds (8) of box (10), the inner top wall fixedly connected with agitator (2) of box (10), the bottom of agitator (2) extends to the inside of reaction tank (1), the inner top wall fixedly connected with suction pump (3) of box (10), the inner wall fixedly connected with baffle (22) of box (10), the fixed intercommunication of input of suction pump (3) has first return bend (15), the one end that suction pump (3) were kept away from in first return bend (15) runs through baffle (22) and extends to the inner wall of reaction tank (1), the output of suction pump (3) is fixed and communicates with first drain pipe (16), the inner wall fixedly connected with dynamic membrane module (5) of filtering ponds (4), the inner bottom wall of the box body (10) is fixedly connected with a lift pump (7), the output end of the lift pump (7) is fixedly communicated with a second elbow pipe (17), and one end, far away from the lift pump (7), of the second elbow pipe (17) is fixedly communicated with the output end of the dynamic membrane assembly (5);

the top of box (10) is equipped with pressure gauge (6), the bottom of pressure gauge (6) run through box (10) and communicate with the external fixed surface of second return bend (17), the fixed intercommunication of the output of elevator pump (7) has second drain pipe (18), the bottom of second drain pipe (18) extends to the inside of outlet basin (8), the left surface fixed connection of outlet basin (8) has backwash pump (9), the fixed intercommunication of the input of backwash pump (9) has third return bend (20), the one end that backwash pump (9) were kept away from in third return bend (20) and the fixed intercommunication of the left surface of outlet basin (8), the fixed intercommunication of the output of backwash pump (9) has third drain pipe (19), the one end that backwash pump (9) were kept away from in third drain pipe (19) extends to the inside of filtering ponds (4), the fixed intercommunication of the interior roof of box (10) has inlet pipe (12), the right side face of the water outlet pool (8) is fixedly communicated with a water outlet pipe (21), the right end of the water outlet pipe (21) penetrates through the box body (10) and extends to the right side of the box body (10), and the front face of the box body (10) is fixedly connected with a control panel (26).

2. The apparatus according to claim 1, wherein the apparatus comprises: a nameplate (25) is arranged in front of the box body (10), and the back face of the nameplate (25) is fixedly connected with the front face of the box body (10).

3. The apparatus according to claim 1, wherein the apparatus comprises: the front surface of the box body (10) is fixedly embedded with a glass plate (24), and the glass plate (24) is positioned above the filter tank (4).

4. The apparatus according to claim 1, wherein the apparatus comprises: the top of box (10) is equipped with feeder hopper (13), the bottom of feeder hopper (13) and the fixed intercommunication in top of inlet pipe (12).

5. The apparatus according to claim 1, wherein the apparatus comprises: the inner wall piston of outlet pipe (21) is connected with sealing plug (27), the fixed pilot lamp (23) of inlaying in the front of box (10) and having the equidistance and arranging, the outer fixed surface of agitator (2) is connected with solid fixed ring (14), the upper surface of solid fixed ring (14) and the interior roof fixed connection of box (10).

6. The apparatus according to claim 1, wherein the apparatus comprises: two sets of supporting legs (11) are arranged below the box body (10), and each supporting leg (11) is fixedly connected with the bottom surface of the box body (10) on the upper surface.