CN211283820U

CN211283820U - Comprehensive utilization system for blue algae treatment

Info

Publication number: CN211283820U
Application number: CN201920866147.7U
Authority: CN
Inventors: 林超
Original assignee: Weitai Technology Wuxi Co ltd
Current assignee: Weitai Technology Wuxi Co ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-08-18
Anticipated expiration: 2029-06-11

Abstract

The utility model provides a blue algae treatment comprehensive utilization system, including storing the algae pond, dissolving medicine dosing unit, shallow ion air supporting unit, algae mud concentrated tank, squeezing dehydration unit and algae mud fertilizer fermentation unit, store the blue algae export of algae pond and dissolve medicine dosing unit's play medicine mouth and be connected to the entry of shallow ion air supporting unit, the entry of shallow ion air supporting unit still is connected with PAM coagulant aid through PAM dosing pump, the clear water that clarifies through shallow ion air supporting unit goes out the water and is connected to the entry of clean water pond and collects; the blue algae concentrated solution separated by the shallow ion air flotation unit passes through the algae mud coagulation stirring tank and then is transmitted to the algae mud concentration tank by the high-pressure lift pump. The utility model discloses a blue alga is collected and is stored, carries out algae-laden water separation through shallow layer ion air supporting, then algae mud gets into and squeezes the dehydration unit, squeezes the algae mud that the dehydration produced and stabilizes the back through organic compost fermentation, and final fertilizer transports utilization outward.

Description

Comprehensive utilization system for blue algae treatment

Technical Field

The utility model mainly relates to a water pollution administers technical field, especially relates to a comprehensive utilization system is handled to blue alga.

Background

With the rapid development of industrialization, the eutrophication degree of a plurality of water bodies is increased, which leads to the explosive growth and propagation of blue algae. From the environmental point of view, the uncontrolled and overgrown blue algae in the eutrophic water body can be called as 'green disaster'. How to reasonably utilize the blue algae is a difficult problem of correctly processing and recycling the blue algae.

A chinese invention patent is disclosed, application number cn201811373605.x, patent name: the emergency treatment device and the treatment method for the cyanobacteria bloom have application date of: 2018-11-18, the utility model relates to a blue algae bloom emergency treatment device, which comprises a multifunctional algae suction head, an algae slurry pool, a spiral pretreatment reaction tank, an ion air flotation device, a dehydration device, a clean water pool and an air dissolving device, wherein the multifunctional algae suction head is respectively connected with the algae slurry pool and the spiral pretreatment reaction tank through a raw water pump, the outlet of the algae slurry pool is communicated with the dehydration device through a secondary pump, and the tail water outlet of the dehydration device is communicated with the inlet of the spiral pretreatment reaction tank; the outlet of the spiral pretreatment reaction tank is communicated with a central water inlet pipe of the ion air floatation device, and the air dissolving device is respectively communicated with the clean water tank and the ion air floatation device; and pipeline valves for opening and closing the pipelines are respectively arranged on the pipelines connected with the raw water pump, the algae slurry pool and the spiral pretreatment reaction tank. The blue algae treatment method using the blue algae treatment agent is provided, and can effectively cope with blue algae bloom under various concentration conditions through real-time adjustment of a process flow aiming at different water surfaces or different periods and different areas of the same water surface, so that the treatment efficiency and the treatment effect are improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a comprehensive utilization system for blue algae treatment, which aims at the defects of the prior art to treat blue algae in water body and achieve the purpose of resource utilization, and comprises an algae storage tank 1, a medicine dissolving and adding unit, a superficial layer ion air flotation unit, an algae mud concentration tank, a squeezing dehydration unit and an algae mud organic fertilizer fermentation unit,

the blue algae outlet of the algae storage tank 1 and the medicine outlet of the medicine dissolving and adding unit are connected to the inlet of the shallow ion air flotation unit, the inlet of the shallow ion air flotation unit is also connected with a PAM coagulant aid through a PAM medicine adding pump,

clear water effluent clarified by the shallow ion air flotation unit is connected to an inlet of a clear water tank and collected;

the blue algae concentrated solution separated by the shallow ion air flotation unit passes through an algae mud coagulation stirring tank 12 and then is transmitted to an algae mud concentration tank by a first high-pressure lift pump 13,

the export of algae mud thickener is squeezed through the screw squeezer 15 that the pump was squeezed the dehydration unit, through the algae mud that screw squeezer 15 produced is from algae mud export 16 transmission to algae mud collecting pit 18, algae mud collecting pit 18 transmits the production of accomplishing the fertilizer to algae mud fertilizer fermentation unit through No. two high-pressure elevator pumps 19, the fertilizer is transported outward through fertilizer special car 22.

Preferably, the dissolved medicine dosing unit comprises a PAC flocculating agent 2 and a PAC dosing pump 3, and the PAC flocculating agent 2 is connected to the inlet of the shallow ion floatation unit through the PAC dosing pump 3.

Preferably, the algae storage tank 1 is connected to the inlet of the shallow ion floatation unit through a lift water pump 4, and the lift water pump 4 is arranged between the PAC dosing pump 3 and the shallow ion floatation unit.

Preferably, an algae mud buffer tank 11 is further arranged between the algae mud concentration tank and the shallow ion air flotation unit.

Preferably, a tail water tank 17 is arranged below a squeezing water outlet of the squeezing dewatering unit, and the tail water tank 17 is conveyed to the algae storage pond 1 through a lifting pump for recycling.

Preferably, the squeezing and dewatering unit includes a scum collecting device 9, a microbubble manufacturing system 7, and an air dissolving system 8, the microbubble manufacturing system 7 is disposed at a blue algae inlet of the scum collecting device 9, and the air dissolving system 8 is disposed on the microbubble manufacturing system 7 for dissolving bubbles.

Preferably, the organic fertilizer fermentation unit sequentially comprises an organic fertilizer fermentation area 20 and an organic fertilizer buffer area 21.

The utility model has the advantages that: blue algae is collected and stored, algae and water are separated through shallow ion air flotation, and clarified water enters a clean water tank. Then the algae mud enters a squeezing dehydration unit, and the algae mud generated by squeezing dehydration is fermented and stabilized through organic compost, and finally the organic fertilizer is transported outside for resource utilization, so that economic benefits and huge social benefits are achieved.

Drawings

FIG. 1 is a block diagram of the present invention;

in the figure, the position of the upper end of the main shaft,

1. an algae storage pool; 2. a PAC flocculant; 3. a PAC dosing pump; 4. lifting the water pump; 5. a PAM coagulant aid; 6. a PAM dosing pump; 7. a microbubble manufacturing system; 8. an air dissolving system; 9. a scum collecting device; 10. a clean water tank; 11. an algae mud buffer pool; 12. a algae mud coagulation stirring tank; 13. A first high pressure lift pump; 14. an algae mud concentration tank; 15. a screw press; 16. an algae mud outlet; 17. a tail water tank; 18. a algae mud collecting tank; 19. a second high pressure lift pump; 20. an organic fertilizer fermentation area; 21. an organic fertilizer buffer area; 22. the organic fertilizer passes through the special vehicle for organic fertilizer.

Detailed Description

As shown in fig. 1, the present invention includes: an algae storage tank 1, a medicine dissolving and adding unit, a shallow ion air floating unit, an algae mud concentration tank, a squeezing and dewatering unit and an algae mud organic fertilizer fermentation unit,

When in use, the algae water in the algae storage pool is added with medicine by a medicine dissolving and adding device and then is conveyed to the shallow layer ion air flotation pool by a pump and a pipeline;

the shallow layer ion air floating unit can collect flocculation, air floating, skimming and mud scraping to form an integral air floating device, is successfully designed by using a 'shallow tank theory' and a 'zero speed principle', the retention time is only 3-5 minutes, water distribution is forced, water inlet and outlet are static, adhesion of micro bubbles and floccules occurs in the whole air floating separation process including a contact area, scum is discharged instantly, the water body disturbance is small, the effluent suspended matter is low, the slag solid content is high, the suspended matter removal rate can reach over 90-99.5%, the COD removal rate can reach 65-90%, the chroma removal rate can reach 85-95%, and the water purifying device is efficient and energy-saving;

on one hand, the algae water is separated in a shallow ion air flotation tank, and the clear effluent of the shallow ion air flotation enters a clear water tank;

and on the other hand, the algae mud passing through the shallow ion air flotation unit is pumped into a squeezer through a pump and is conveyed into a pre-concentration section through a rotating squeezer. The rotation of the screw shaft drives the blue algae to move in the concentration section and to rub and extrude each other. And as the root diameter of the screw press shaft is continuously increased, the volume of the concentration section is smaller and smaller, and the pressure is larger and larger, so that the blue algae in the algae water is extruded. Tail water flows out of the gaps among the pressing strips, algae mud enters a pressing section after being concentrated from the front end, and the algae mud is extruded; the tail water flows into a tail water algae storage pool 17 from the gaps between the pressing strips for circular treatment.

In the present embodiment, it is preferable that the dissolved medicine dosing unit comprises a PAC flocculant 2 and a PAC dosing pump 3, and the PAC flocculant 2 is connected to the inlet of the shallow ion flotation unit through the PAC dosing pump 3.

Set up above-mentioned structure, use solitary elevator pump on every solitary spool, avoid cross infection, improve work efficiency.

In the present embodiment, preferably, the algae storage tank 1 is connected to the inlet of the shallow ion floatation unit through a lift water pump 4, and the lift water pump 4 is arranged between the PAC dosing pump 3 and the shallow ion floatation unit.

Set up above-mentioned structure, lift water pump 4 sets up behind PAC dosing pump 3, can play the effect that promotes PAC flocculating agent 2 simultaneously and store the blue alga in the algae pond 1, improves work efficiency.

In this embodiment, preferably, an algal mud buffer tank 11 is further disposed between the algal mud concentration tank and the shallow ion floatation unit.

Set up above-mentioned structure, utilize algae mud buffer pool 11 to hoard the blue alga liquid through the concentration, play the cushioning effect, can not exert an influence to the stirring pond yet.

In the present embodiment, a tail water tank 17 is preferably arranged below the squeezing water outlet of the squeezing dewatering unit, and the tail water tank 17 is conveyed to the algae storage pond 1 through a lifting pump for recycling.

By adopting the structure, the squeezed effluent returns to the front end of the shallow ion air floatation for circular treatment, the recovery rate of tail water is greatly improved, and the effluent clarified by the shallow ion air floatation enters a clean water tank (10) for storage.

In this embodiment, it is preferable that the press dehydration unit includes a scum collection device 9, a microbubble manufacturing system 7, and an air dissolving system 8, the microbubble manufacturing system 7 is provided at a blue algae entrance of the scum collection device 9, and the air dissolving system 8 is provided at the microbubble manufacturing system 7 for dissolving bubbles.

The structure is favorable for smashing the blue algae, is convenient for mixing the medicament and the blue algae, and improves the mixing capability.

In this implementation, it is preferable that the organic fertilizer fermentation unit sequentially includes an organic fertilizer fermentation area 20 and an organic fertilizer buffer area 21.

Set up above-mentioned structure, utilize fertilizer buffer zone 21 to play the effect of buffer memory fertilizer, improve work efficiency, the compound fertilizer can be made to the algae mud after organic compost fermentation is stable, through special-purpose vehicle outward transport, realizes the utilization.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims

1. A comprehensive utilization system for blue algae treatment is characterized by comprising an algae storage tank (1), a medicine dissolving and adding unit, a shallow ion air flotation unit, an algae mud concentration tank (14), a squeezing dehydration unit and an algae mud organic fertilizer fermentation unit,

the blue algae outlet of the algae storage tank (1) and the medicine outlet of the medicine dissolving and adding unit are connected to the inlet of the shallow ion air flotation unit, the inlet of the shallow ion air flotation unit is also connected with a PAM coagulant aid (5) through a PAM medicine adding pump (6),

clear water clarified by the shallow ion air flotation unit is connected to an inlet of a clear water tank (10) and collected;

the blue algae concentrated solution separated by the shallow ion air flotation unit passes through an algae mud coagulation stirring tank (12) and then is transmitted to an algae mud concentration tank (14) through a first high-pressure lift pump (13),

the export of algae mud thickener (14) is squeezed screw squeezer (15) that squeezes the dehydration unit through the pump, through the algae mud that screw squeezer (15) produced is exported (16) from the algae mud and is transmitted to algae mud collecting pit (18), algae mud collecting pit (18) transmit the production of accomplishing the fertilizer to algae mud fertilizer fermentation unit through No. two high-pressure elevator pumps (19), the fertilizer is through fertilizer special car (22) outward transport.

2. The comprehensive utilization system for blue algae treatment according to claim 1, characterized in that: the inside of the medicine dissolving and adding unit comprises a PAC flocculating agent (2) and a PAC adding pump (3), and the PAC flocculating agent (2) is connected to the inlet of the shallow ion air flotation unit through the PAC adding pump (3).

3. The comprehensive utilization system for blue algae treatment according to claim 2, characterized in that: the algae storage tank (1) is connected to an inlet of the shallow ion air flotation unit through a lifting water pump (4), and the lifting water pump (4) is arranged between the PAC dosing pump (3) and the shallow ion air flotation unit.

4. The comprehensive utilization system for blue algae treatment according to claim 3, characterized in that: an algae mud buffer tank (11) is also arranged between the algae mud concentration tank (14) and the shallow ion air flotation unit.

5. The comprehensive utilization system for blue algae treatment according to claim 4, characterized in that: and a tail water tank (17) is arranged below a squeezing water outlet of the squeezing dehydration unit, and the tail water tank (17) is transmitted to the algae storage pond (1) through a lifting pump to be recycled.

6. The comprehensive utilization system for blue algae treatment according to claim 5, characterized in that: squeeze dehydration unit and include dross collection device (9), microbubble manufacturing system (7) and air dissolving system (8), microbubble manufacturing system (7) set up the blue alga that enters the entrance at dross collection device (9), air dissolving system (8) set up and are used for dissolving the bubble on microbubble manufacturing system (7).

7. The comprehensive utilization system for blue algae treatment according to claim 1, characterized in that: the organic fertilizer fermentation unit sequentially comprises an organic fertilizer fermentation area (20) and an organic fertilizer buffer area (21).