CN217202369U

CN217202369U - Concentrated water recycling treatment system

Info

Publication number: CN217202369U
Application number: CN202220055197.9U
Authority: CN
Inventors: 程亚军; 贾成民; 帅毅; 郑建华; 陈坤
Original assignee: Shanying Huazhong Paper Co ltd
Current assignee: Shanying Huazhong Paper Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-08-16
Anticipated expiration: 2032-01-11

Abstract

The utility model provides a dense water recycling processing system, including the dense water processing system of ion exchange, the dense water processing system of ion exchange includes the dense water processing system of ultrafiltration, the inlet and the effluent disposal port of the dense water processing system of ultrafiltration are linked together, and the process water liquid outlet of the dense water processing system of ultrafiltration is connected with one-level RO, and one-level RO product pond is connected to the process water liquid outlet of one-level RO, and the process water liquid outlet in one-level RO product pond is connected with second grade RO, and the process water liquid outlet in second grade RO product pond is connected with second grade RO product pond, the process water liquid outlet in second grade RO product pond is connected with EDI, EDI process water liquid outlet is connected with the demineralized water tank, EDI's dense water liquid outlet is connected with RO one-level product pond. The utility model provides a concentrated water recycling treatment system with high concentrated water recovery rate and energy saving and consumption reduction.

Description

Concentrated water recycling treatment system

Technical Field

The utility model relates to a papermaking waste water recovery technical field, in particular to dense water recycling processing system.

Background

Concentrated water is generally understood to mean wastewater with high salt content produced during Reverse Osmosis (RO) desalination processes. In a power plant, a reverse osmosis device is usually adopted to treat power generation wastewater, about 20% -25% of concentrated water exists in the reverse osmosis treatment process, and if the concentrated water is directly discharged, the waste of water resources is caused, and the adverse effect on the environment is also generated. And the environment provides higher requirements for the recycling of wastewater, so the recycling treatment of concentrated water is a key direction for improving water resource conservation.

Therefore, it is necessary to provide a concentrated water recycling treatment system with high concentrated water recovery rate, energy saving and consumption reduction.

Disclosure of Invention

The utility model provides a concentrated water recycling treatment system with high concentrated water recovery rate and energy saving and consumption reduction.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a dense water retrieval and utilization processing system, includes the dense water processing system of ion exchange, the dense water processing system of ion exchange includes the dense water processing system of ultrafiltration, the inlet of the dense water processing system of ultrafiltration is linked together with waste water discharge port, and the process water liquid outlet of the dense water processing system of ultrafiltration is connected with one-level RO, and one-level RO produces the pond is connected to the process water liquid outlet of one-level RO, and the process water liquid outlet in one-level RO produces the pond is connected with second grade RO, and the process water liquid outlet in second grade RO produces the pond is connected with second grade RO, the process water liquid outlet in second grade RO produces the pond is connected with EDI, EDI process water liquid outlet is connected with the demineralized water tank, EDI's dense water liquid outlet is produced the pond with one-level RO and is connected.

As the utility model discloses a further setting, the dense water processing system of ultrafiltration includes the water purification station, waste water discharge port discharges into the water purification station, and the process water liquid outlet of water purification station is connected with the clean water basin, the process water liquid outlet of clean water basin is connected with UF, and the process water liquid outlet of UF is connected with UF product water basin.

As a further setting of the utility model, the dense water liquid outlet of UF is connected with the wastewater disposal basin, wastewater disposal basin one end is connected with the sedimentation tank, and the other end is connected with thermoelectric waste pipe, and thermoelectric waste pipe is connected with the waste water station.

As a further setting of the utility model, a valve is arranged on the pipeline which is connected with the sedimentation tank and the thermoelectric waste water pipe.

As the utility model discloses a further setting, the dense water liquid outlet of second grade RO is connected with UF production pond.

As a further setting of the utility model, the concentrated water outlet of the one-level RO is connected with the thermoelectric internal water purification station.

The beneficial effects of the utility model are that:

1. the utility model discloses a pond is produced with the concentrated water of EDI and one-level RO directly among the concentrated water retrieval and utilization processing system and is connected, and reentrant second grade RO evolves, has reduced the load of one-level RO water treatment, reduces the inside medicine loss of concentrated water retrieval and utilization, electric energy loss and the formation of waste water.

2. The utility model discloses a dense water retrieval and utilization processing system EDI dense water can improve the recovery proportion of dense water to 80% after being connected with one-level RO product pond, has effectively improved the rate of recovery of dense water.

3. The utility model discloses concentrated water retrieval and utilization processing system sends into the concentrated water part of wastewater disposal basin after handling UF and handles to the sedimentation tank, and another part concentrated water gets into thermoelectric waste pipe and sends into the waste water station and handles, reduces waste water station, water intaking system operation load, has reduced the waste of water resource, has also reduced wastewater treatment's cost.

Drawings

In the attached drawings, 1, an ion exchange concentrated water treatment system, 2, an ultrafiltration concentrated water treatment system, 3, a first-level RO, 4, a first-level RO water producing tank, 5, a second-level RO, 6, a second-level RO water producing tank, 7, EDI, 8, a desalting water tank, 9, a water purifying station, 10, a clean water tank, 11, UF, 12, a UF water producing tank, 13, a wastewater tank, 14, a sedimentation tank, 15, a thermoelectric wastewater pipe, 16, a wastewater station, 17, a valve, 18 and a thermoelectric internal water purifying station.

FIG. 1 is a schematic structural view of the concentrated water recycling treatment system of the present invention;

fig. 2 is a schematic structural diagram of the ultrafiltration concentrated water treatment system of the utility model.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides a dense water recycling processing system, including ion exchange dense water processing system 1, ion exchange dense water processing system 1 includes ultrafiltration dense water processing system 2, ultrafiltration dense water processing system 2's inlet is linked together with waste water discharge port, and ultrafiltration dense water processing system 2's process water liquid outlet is connected with one-level RO3, and one-level RO produces pond 4 is connected to one-level RO 3's process water liquid outlet, and one-level RO produces pond 4's process water liquid outlet and second grade RO5 are connected, and second grade RO 5's process water liquid outlet is connected with second grade RO produces pond 6, the process water liquid outlet of second grade RO produces pond 6 is connected with EDI7, EDI7 process water liquid outlet is connected with demineralized water tank 8, EDI 7's dense water liquid outlet is connected with one-level RO produces pond 4.

Specifically, the ultrafiltration concentrated water treatment system 2 comprises a water purification station 9, wherein the wastewater discharge port is discharged into the water purification station 9, a process water outlet of the water purification station 9 is connected with a clean water tank 10, a process water outlet of the clean water tank 10 is connected with UF11, and a process water outlet of UF11 is connected with a UF water production tank 12.

Specifically, a concentrated water outlet of the UF11 is connected with a wastewater tank 13, one end of the wastewater tank 13 is connected with a sedimentation tank 14, the other end of the wastewater tank is connected with a thermoelectric wastewater pipe 15, and the thermoelectric wastewater pipe 15 is connected with a wastewater station 16.

Specifically, a valve 17 is arranged on a pipeline connecting the wastewater tank 13, the sedimentation tank 14 and the thermoelectric wastewater pipe 15.

Specifically, the concentrate outlet of the second stage RO5 is connected to the UF production reservoir 12.

Specifically, the concentrate outlet of the first stage RO3 is connected to the thermoelectric internal water purification station 18.

The working principle is as follows: the utility model discloses a pond 4 is produced with EDI7 dense water and one-level RO directly among the dense water retrieval and utilization processing system and is connected, reentries second grade RO5 and evolves, has reduced the load of one-level RO3 water treatment, reduces the inside medicine loss of dense water retrieval and utilization, the generation of electric energy loss and waste water. The utility model discloses concentrated water recycling processing system sends into the concentrated water of wastewater disposal basin 13 after handling UF11 partly to the sedimentation tank 14 and handles, and another part concentrated water gets into thermoelectric waste pipe 15 and sends to waste water station 16 and handles, reduces waste water station 16, water intaking system operation load, has reduced the waste of water resource, has also reduced waste water treatment's cost.

The principles and embodiments of the present invention have been explained herein using specific embodiments, which are merely used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A concentrated water recycling treatment system is characterized by comprising an ion exchange concentrated water treatment system (1), the ion exchange concentrated water treatment system (1) comprises an ultrafiltration concentrated water treatment system (2), the liquid inlet of the ultrafiltration concentrated water treatment system (2) is communicated with the wastewater outlet, the production water outlet of the ultrafiltration concentrated water treatment system (2) is connected with a primary RO (3), the production water outlet of the primary RO (3) is connected with a primary RO water producing tank (4), the production water outlet of the primary RO water producing tank (4) is connected with a secondary RO (5), the production water outlet of the secondary RO (5) is connected with a secondary RO water producing tank (6), a production water outlet of the secondary RO water producing tank (6) is connected with the EDI (7), the EDI (7) process water outlet is connected with the demineralized water tank (8), and a concentrated water outlet of the EDI (7) is connected with the first-stage RO water producing tank (4).

2. Concentrated water recycling treatment system according to claim 1, characterized in that said ultrafiltration concentrated water treatment system (2) comprises a clean water station (9), said wastewater outlet opening discharges into said clean water station (9), the process water outlet of said clean water station (9) is connected to a clean water basin (10), the process water outlet of said clean water basin (10) is connected to UF (11), and the process water outlet of UF (11) is connected to a UF water production basin (12).

3. A concentrate recycling treatment system according to claim 2, wherein the concentrate outlet of said UF (11) is connected to a wastewater basin (13), said wastewater basin (13) being connected at one end to a sedimentation basin (14) and at the other end to a thermoelectric waste (15), said thermoelectric waste (15) being connected to a waste station (16).

4. The concentrate recycling treatment system of claim 3, wherein the piping connecting the wastewater tank (13) with the sedimentation tank (14) and the thermoelectric wastewater pipe (15) is provided with a valve (17).

5. The concentrate reprocessing system of claim 2, wherein the concentrate outlet of said secondary RO (5) is connected to a UF product reservoir (12).

6. The concentrate recycling treatment system of claim 1, wherein the concentrate outlet of the primary RO (3) is connected to a thermoelectric internal water purification station (18).