CN215480322U

CN215480322U - Waste water treatment and recovery system of environmental protection station

Info

Publication number: CN215480322U
Application number: CN202120862880.9U
Authority: CN
Inventors: 刘永杰; 田云清; 王刚; 孙宜坤; 李涛; 王宏胜
Original assignee: Xinjiang Xingfa Chemical Co ltd
Current assignee: Xinjiang Xingfa Chemical Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2022-01-11
Anticipated expiration: 2031-04-25

Abstract

A wastewater treatment and recovery system of an environmental protection station comprises a wastewater pool, wherein a first water supply pipe is arranged on the wastewater pool and connected to a distillation retort, a heating jacket is arranged on the side wall of the distillation retort, a first steam pipe is arranged at the top of the distillation retort, and the first steam pipe penetrates through a heat exchanger and extends into the wastewater pool from the top of the wastewater pool; the bottom of the distillation retort is provided with a second water supply pipe, the second water supply pipe is connected to the cooling tank, the cooling tank is provided with a negative pressure pipe, the negative pressure pipe is provided with a negative pressure pump, the bottom of the cooling tank is provided with a deslagging pipe, the deslagging pipe is provided with a deslagging valve, the top of the cooling tank is provided with a second steam pipe, and the second steam pipe penetrates through the heat exchanger and is connected to a production line water conveying pipeline. By adopting the structure, the waste water in the environment-friendly station can be recycled after being treated and recovered, and the treatment process adopts a physical mode, so that other chemicals are not required to be additionally consumed, and the treatment cost is lower.

Description

Waste water treatment and recovery system of environmental protection station

Technical Field

The utility model relates to the field of wastewater reuse, in particular to a wastewater treatment and recovery system for an environmental protection station.

Background

The waste water treatment is a process of separating each pollutant in the waste water or converting each pollutant into a harmless substance, a chemical production plant is a place for chemical production, the production process inevitably discharges sewage containing a part of harmful chemical substances, an environment-friendly station is generally built in the chemical production plant and is used for the treatment and discharge operation of the part of waste water, but the discharge amount of the waste water in the production process is larger due to the larger amount of the waste water in the plant, and if the part of waste water can be used for production activities after being treated, the production cost can be greatly saved and the discharge amount of the waste water can be reduced.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a wastewater treatment and recovery system for an environmental protection station, which can treat and recover wastewater in the environmental protection station and then recycle the wastewater, and the treatment process adopts a physical mode, does not need to additionally consume other chemicals, and has lower treatment cost.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a wastewater treatment and recovery system of an environmental protection station comprises a wastewater pool, wherein a first water supply pipe is arranged on the wastewater pool and connected to a distillation retort, a heating jacket is arranged on the side wall of the distillation retort, a first steam pipe is arranged at the top of the distillation retort, and the first steam pipe penetrates through a heat exchanger and extends into the wastewater pool from the top of the wastewater pool;

the distillation retort bottom be equipped with the second flow pipe, the second flow pipe is connected to on the cooling tank, is equipped with the negative pressure pipe on the cooling tank, is equipped with the negative pressure pump on the negative pressure pipe, the bottom of cooling tank is equipped with the scum pipe, is equipped with the slag extractor valve on the scum pipe, the cooling tank top is equipped with the second steam pipe, the second steam pipe passes the heat exchanger and is connected to in the production line water pipeline.

In a preferable scheme, a first water supply pump and a water outlet valve are arranged on the first water supply pipe.

In a preferable scheme, a second water feeding pump and a mother liquid discharge valve are arranged on the second water feeding pipe.

In a preferable scheme, the second water supply pipe is also provided with a first check valve.

In a preferable scheme, a second check valve is arranged on the second steam pipe.

In the preferred scheme, a compartment is arranged on one side of the wastewater pool, an overflow port is arranged above the pool wall between the compartment and the wastewater pool, a horizontal filter plate is arranged in the compartment, and a drain pipe is arranged on the bottom edge of the side wall of the compartment.

In a preferable scheme, an aeration pipe is arranged in the wastewater tank.

In the preferred scheme, the compartment lateral wall on be equipped with the through-hole, the filter passes the through-hole setting, is equipped with the support bar that is used for supporting the filter on the compartment inner wall of through-hole both sides.

The waste water treatment and recovery system for the environmental protection station, which is provided by the utility model, has the following beneficial effects by adopting the structure:

(1) the wastewater can be effectively treated, and the treated reclaimed water is directly conveyed to a production line to participate in production, so that the wastewater discharge can be reduced, and the water resource is saved;

(2) the physical method is adopted for wastewater treatment, so that the wastewater treatment cost can be saved, and the increase of impurity content in the wastewater caused by insufficient chemical treatment reaction can be avoided.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: the waste water tank comprises a waste water tank 1, a distillation tank 2, a cooling tank 3, a first water feeding pipe 4, a first water feeding pump 5, a water outlet valve 6, a heating jacket 7, a second water feeding pipe 8, a second water feeding pump 9, a mother liquor discharge valve 10, a first check valve 11, a first steam pipe 12, a heat exchanger 13, a slag discharge pipe 14, a slag discharge valve 15, a negative pressure pipe 16, a negative pressure pump 17, a second steam pipe 18, a second check valve 19, a compartment 20, an overflow port 21, a support bar 22, a through hole 23, a filter plate 24, a drain pipe 25 and an aeration pipe 26.

Detailed Description

As shown in fig. 1, the wastewater treatment and recovery system for the environmental protection station comprises a wastewater pool 1, wherein a first water supply pipe 4 is arranged on the wastewater pool 1, the first water supply pipe 4 is connected to a distillation retort 2, a heating jacket 7 is arranged on the side wall of the distillation retort 2, a first steam pipe 12 is arranged at the top of the distillation retort 2, and the first steam pipe 12 passes through a heat exchanger 13 and extends into the wastewater pool 1 from the top of the wastewater pool 1;

2 bottoms of retort be equipped with second flow pipe 8, second flow pipe 8 is connected to on the cooling tank 3, is equipped with negative pressure pipe 16 on the cooling tank 3, is equipped with negative pressure pump 17 on the negative pressure pipe 16, the bottom of cooling tank 3 is equipped with row sediment pipe 14, is equipped with slag valve 15 on the row sediment pipe 14, the cooling tank 3 top is equipped with second steam pipe 18, second steam pipe 18 passes heat exchanger 13 and is connected to in the production line raceway.

In a preferable scheme, a first water supply pump 5 and a water outlet valve 6 are arranged on the first water supply pipe 4.

In a preferable scheme, a second water feeding pump 9 and a mother liquor discharge valve 10 are arranged on the second water feeding pipe 8.

In a preferable scheme, the second water supply pipe 8 is further provided with a first check valve 11.

In a preferred embodiment, the second steam pipe 18 is provided with a second check valve 19.

In a preferable scheme, a compartment 20 is arranged on one side of the wastewater pool 1, an overflow port 21 is arranged above the pool wall between the compartment 20 and the wastewater pool 1, a horizontal filter plate 24 is arranged in the compartment 20, and a drain pipe 25 is arranged on the bottom edge of the side wall of the compartment 20.

In a preferred scheme, an aeration pipe 26 is arranged in the wastewater tank 1.

In a preferred scheme, through holes 23 are formed in the side walls of the compartments 20, a filter plate 24 is arranged by penetrating through the through holes 23, and supporting bars 22 for supporting the filter plate 24 are arranged on the inner walls of the compartments 20 at the two sides of the through holes 23.

The novel principle and process for wastewater treatment by adopting the structure are as follows:

air is continuously introduced into the wastewater tank 1 through the aeration pipe 26, impurities which are not dissolved in water are taken away in the rising process of generated bubbles, the generated bubbles flow into the compartment 20 through the overflow port 21, after being filtered by the filter plate 24, liquid is partially discharged by the drain pipe 25 (can flow back into the wastewater tank 1), and filter residues can be intensively treated by pulling out the filter plate 24.

The method comprises the following steps of opening a water outlet valve 6 and a first water supply pump 5, conveying wastewater in a wastewater pool 1 into a distillation retort 2 through a first water supply pipe 4, heating the wastewater in the distillation retort 2 through a heating jacket 7 to boil and generate steam, discharging the steam through a first steam pipe 12, performing heat exchange condensation in a heat exchanger 13, returning the steam to the wastewater pool 1, opening a mother liquor discharge valve 10 and a second water supply pump 9, conveying distilled mother liquor into a cooling tank 3 through a second water supply pipe 8, pumping negative pressure (capable of further matching with semiconductor heat exchange) in the cooling tank 3 through a negative pressure pump 17 to realize negative pressure evaporation and cooling, separating solid substances after cooling evaporation, conveying the steam into clear water after heat exchange condensation through the heat exchanger 13 through a second steam pipe 18 to a production line, and discharging separated solid crystals through a slag discharge pipe 14.

Claims

1. The utility model provides an environmental protection station waste water treatment recovery system, includes wastewater disposal basin (1), its characterized in that: a first water feeding pipe (4) is arranged on the wastewater pool (1), the first water feeding pipe (4) is connected to the distillation retort (2), a heating jacket (7) is arranged on the side wall of the distillation retort (2), a first steam pipe (12) is arranged at the top of the distillation retort (2), and the first steam pipe (12) penetrates through the heat exchanger (13) and extends into the wastewater pool (1) from the top of the wastewater pool (1);

distillation retort (2) bottom be equipped with second flow pipe (8), second flow pipe (8) are connected to on cooling tank (3), be equipped with negative pressure pipe (16) on cooling tank (3), be equipped with negative pressure pump (17) on negative pressure pipe (16), the bottom of cooling tank (3) is equipped with scum pipe (14), be equipped with slag discharging valve (15) on scum pipe (14), cooling tank (3) top is equipped with second steam pipe (18), second steam pipe (18) pass heat exchanger (13) and are connected to production line water pipeline in.

2. The eco-station wastewater treatment and recovery system according to claim 1, wherein: the first water supply pipe (4) is provided with a first water supply pump (5) and a water outlet valve (6).

3. The eco-station wastewater treatment and recovery system according to claim 1, wherein: and a second water feeding pump (9) and a mother liquor discharge valve (10) are arranged on the second water feeding pipe (8).

4. The eco-station wastewater treatment and recovery system according to claim 3, wherein: and a first check valve (11) is also arranged on the second water supply pipe (8).

5. The eco-station wastewater treatment and recovery system according to claim 1, wherein: the second steam pipe (18) is provided with a second check valve (19).

6. The eco-station wastewater treatment and recovery system according to claim 1, wherein: wastewater disposal basin (1) one side be equipped with compartment (20), the pool wall top between compartment (20) and wastewater disposal basin (1) is equipped with overflow mouth (21), is equipped with horizontally filter (24) in compartment (20), is equipped with drain pipe (25) along compartment (20) side wall bottom.

7. The eco-station wastewater treatment and recovery system according to claim 1 or 6, wherein: an aeration pipe (26) is arranged in the wastewater tank (1).

8. The eco-station wastewater treatment and recovery system according to claim 6, wherein: the compartment (20) lateral wall on be equipped with through-hole (23), through-hole (23) setting is passed in filter (24), be equipped with support bar (22) that are used for supporting filter (24) on the compartment (20) inner wall of through-hole (23) both sides.