CN211004887U - A waste incineration power station production wastewater treatment system - Google Patents

Abstract

The embodiment of the utility model discloses a waste incineration power plant production wastewater treatment system, the waste incineration power plant production wastewater treatment system includes a conditioning tank, a chemical softening reaction tank, a circulation tank, a sludge concentration tank, a TUF device, a reverse osmosis device, DTRO device and water tank; the regulating tank is connected with the chemical softening reaction tank, the chemical softening reaction tank is connected with the circulation tank, and the circulation tank is respectively connected with the sludge thickening tank and the TUF device , the TUF device is connected with the reverse osmosis device, and the reverse osmosis device is connected with the DTRO device and the water pool respectively, so that the waste water produced by the waste incineration power station can be purified and processed, and the direct discharge of waste water can be avoided. into the natural environment.

Description

A waste incineration power station production wastewater treatment system

technical field

The utility model relates to the technical field of waste water treatment, in particular to a waste incineration power station production waste water treatment system.

Background technique

Waste incineration power plants can process large amounts of waste and can generate electricity. With the shortage of energy, waste incineration power plants are developing rapidly. However, the waste incineration power station will generate a large amount of production wastewater during the generation process. If the wastewater is directly discharged into the natural environment, it will cause huge pollution to the natural environment.

Utility model content

The technical problem to be solved by the embodiments of the present utility model is how to realize the purification treatment of the waste water produced by the waste incineration power station.

In order to solve the above problems, the embodiment of the present utility model proposes a waste incineration power station production wastewater treatment system, the waste incineration power station production wastewater treatment system includes a conditioning tank, a chemical softening reaction tank, a circulation tank, a sludge concentration tank, a TUF device, A reverse osmosis device, a DTRO device and a water tank; the regulating tank is connected with the chemical softening reaction tank, the chemical softening reaction tank is connected with the circulation tank, and the circulation tank is respectively connected with the sludge concentration tank and the The TUF device is connected, the TUF device is connected with the reverse osmosis device, and the reverse osmosis device is respectively connected with the DTRO device and the water tank; wherein, the sludge in the circulation tank is transported to the sludge In the concentration tank, the supernatant of the circulation tank is sent to the TUF device; the concentrated water produced by the reverse osmosis device is sent to the DTRO device, and the fresh water produced by the reverse osmosis device is sent to the water tank.

A further technical solution is that the waste incineration power station production wastewater treatment system further includes a first filter, the first filter is connected to the adjustment tank, wherein the waste water enters the first filter after passing through the first filter. Regulation pool.

A further technical solution thereof is that the first filter is a bag filter.

A further technical solution is that the DTRO device includes an inlet pump, a second filter, a first high-pressure pump, an on-line booster pump and DTRO equipment, the inlet water pump is connected to the second filter, and the second filter is connected to the second filter. The filter is connected to the first high pressure pump, the first high pressure pump is connected to the online booster pump, and the online booster pump is connected to the DTRO device.

A further technical solution thereof is that the DTRO equipment includes a second high pressure pump, a circulating pump and a DTRO membrane assembly, the second high pressure pump is connected to the circulating pump, and the circulating pump is connected to the DTRO membrane assembly.

A further technical solution thereof is that the second filter is a security filter.

According to a further technical solution thereof, the DTRO device further comprises a dosing system, and the dosing system is connected with the DTRO device.

According to a further technical solution, the DTRO device further includes a cleaning system, and the cleaning system is connected to the DTRO device.

The embodiment of the present utility model proposes a waste incineration power plant production wastewater treatment system. The waste incineration power plant production wastewater treatment system includes a conditioning tank, a chemical softening reaction tank, a circulation tank, a sludge thickening tank, a TUF device, a reverse osmosis device, a DTRO The device and the water tank; the regulating tank is connected with the chemical softening reaction tank, the chemical softening reaction tank is connected with the circulation tank, and the circulation tank is respectively connected with the sludge thickening tank and the TUF device, The TUF device is connected to the reverse osmosis device, and the reverse osmosis device is respectively connected to the DTRO device and the water tank, so that the waste water produced by the waste incineration power station can be purified and treated, avoiding the direct discharge of the waste water to the water tank. in the natural environment.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of a waste incineration power station production wastewater treatment system proposed by an embodiment of the present utility model;

2 is a schematic structural diagram of a DTRO device of a waste incineration power station production wastewater treatment system proposed by an embodiment of the present utility model;

3 is a schematic structural diagram of a DTRO device of a DTRO device of a waste incineration power plant production wastewater treatment system proposed by an embodiment of the present utility model.

reference number

The first filter 1, the adjustment tank 2, the chemical softening reaction tank 3, the circulation tank 4, the sludge concentration tank 5, the TUF device 6, the reverse osmosis device 7, the DTRO device 8, the water tank 9, the feed pump 81, the second filter 82 , the first high pressure pump 83 , the online booster pump 84 , the DTRO equipment 85 , the dosing system 86 , the cleaning system 87 , the second high pressure pump 451 , the circulation pump 452 and the DTRO membrane module 453 .

Detailed ways

The technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and similar component numbers in the accompanying drawings represent similar components. Obviously, the embodiments to be described below are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It is to be understood that, when used in this specification and the appended claims, the terms "comprising" and "comprising" indicate the presence of the described features, integers, steps, operations, elements and/or components, but do not exclude one or The presence or addition of a number of other features, integers, steps, operations, elements, components, and/or sets thereof.

It should also be understood that the terms used in the description of the embodiments of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the embodiments of the present invention. As used in the description of the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms unless the context clearly dictates otherwise.

Referring to FIGS. 1 to 3 , an embodiment of the present invention proposes a waste incineration power station production wastewater treatment system. The waste incineration power station production wastewater treatment system includes a conditioning tank 2 , a chemical softening reaction tank 3 , a circulation tank 4 , a sludge concentration tank 5 , a TUF device 6 , a reverse osmosis device 7 , a DTRO device 8 and a water tank 9 .

The regulating tank 2 is connected with the chemical softening reaction tank 3, the chemical softening reaction tank 3 is connected with the circulation tank 4, and the circulation tank 4 is respectively connected with the sludge thickening tank 5 and the TUF device 6 The TUF device 6 is connected with the reverse osmosis device 7, and the reverse osmosis device 7 is connected with the DTRO device 8 and the water tank 9 respectively; wherein, the sludge in the circulation tank 4 is transported to the In the sludge thickening tank 5, the supernatant of the circulating tank 4 is sent to the TUF device 6; the concentrated water produced by the reverse osmosis device 7 is sent to the DTRO device 8, and the reverse osmosis device 7 produces Fresh water is delivered to the water tank 9 .

The wastewater discharged from production is first filtered to remove most of the larger suspended solids and then enters the conditioning tank 2 . The waste water in the conditioning tank 2 is pressurized by the waste water lift pump into the chemical softening reaction tank 3 . Liquid caustic soda is added to the chemical softening reaction tank 3, and after chemical softening is performed, the waste water flows into the circulation tank 4 by itself. The waste water in the circulation tank 4 is pumped into the TUF device 6 for solid-liquid separation, the produced water goes to the TUF water production tank, and the sludge in the circulation tank 4 is discharged into the sludge concentration tank 5 of the leachate station. The TUF product water is lifted by the RO inlet pump and enters the reverse osmosis device 7 for desalination treatment to remove anions and cations. The concentrated water output from the reverse osmosis device 7 is further processed by the DTRO device 8 .

The regulating tank 2 is mainly used for regulating the water quantity and water quality, regulating the pH value and water temperature of the wastewater, and has the function of pre-aeration, and can also be used for emergency drainage.

The chemical softening reaction tank 3 is used for chemical softening treatment of waste water.

The circulation tank 4 is used for static precipitation treatment of the chemically softened wastewater.

The sludge thickening tank 5 is used for storing sludge.

TUF unit 6, a tubular filter membrane unit, is used to separate and intercept suspended solids from wastewater using a polymer membrane layer.

The reverse osmosis device 7 is used to isolate all impurities mixed into the water in large quantities, such as industrial pollutants, heavy metals, bacteria, viruses, etc.

DTRO device 8, DTRO is a classification of DT, DT membrane technology is disc tube membrane technology (Disc Tube Module), which includes DTRO (disc tube reverse osmosis), DTNF (disc tube nanofiltration), DTUF (disc tube type membrane technology) Ultrafiltration) three categories, is a membrane separation component.

The water tank 9 is used to store filtered water.

Further, the waste incineration power station production wastewater treatment system further includes a first filter 1, the first filter 1 is connected to the regulating tank 2, wherein the wastewater passes through the first filter 1 and enters the Conditioning Pool 2.

Further, the first filter 1 is a bag filter. The solid impurities in the sewage can be filtered out through the bag filter.

Further, the DTRO device 8 includes an inlet pump 81, a second filter 82, a first high-pressure pump 83, an online booster pump 84 and a DTRO device 85, and the inlet pump 81 is connected to the second filter 82, The second filter 82 is connected to the first high pressure pump 83 , the first high pressure pump 83 is connected to the online booster pump 84 , and the online booster pump 84 is connected to the DTRO device 85 .

Further, the DTRO device 85 includes a second high-pressure pump 451, a circulating pump 452 and a DTRO membrane module 453, the second high-pressure pump 451 is connected to the circulating pump 452, and the circulating pump 452 is connected to the DTRO membrane module. 453 connection.

Further, the DTRO device 8 further includes a dosing system 86 , and the dosing system 86 is connected to the DTRO device 85 . Medication system 86 is used to add medication to DTRO device 85 .

Further, the DTRO device 8 further includes a cleaning system 87 , and the cleaning system 87 is connected to the DTRO device 85 . The cleaning system 87 is used to clean the DTRO device 85 .

It should be noted that the specific structures of the dosing system 86 and the cleaning system 87 are well known to those skilled in the art, and are not specifically limited in the present invention.

The embodiment of the present utility model proposes a waste incineration power plant production wastewater treatment system. The waste incineration power plant production wastewater treatment system includes a conditioning tank, a chemical softening reaction tank, a circulation tank, a sludge thickening tank, a TUF device, a reverse osmosis device, a DTRO The device and the water tank; the regulating tank is connected with the chemical softening reaction tank, the chemical softening reaction tank is connected with the circulation tank, and the circulation tank is respectively connected with the sludge thickening tank and the TUF device, The TUF device is connected to the reverse osmosis device, and the reverse osmosis device is respectively connected to the DTRO device and the water tank, so that the waste water produced by the waste incineration power station can be purified and treated, avoiding the direct discharge of the waste water to the water tank. in the natural environment.

In the above-mentioned embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. In this way, even if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalents, the present utility model is also intended to include these modifications and variations.

The above are the specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. effective modifications or replacements, these modifications or replacements should be covered within the scope of protection of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (8)

1. A waste incineration power station production wastewater treatment system is characterized by comprising an adjusting tank, a chemical softening reaction tank, a circulating tank, a sludge concentration tank, a TUF device, a reverse osmosis device, a DTRO device and a water tank; the adjusting tank is connected with the chemical softening reaction tank, the chemical softening reaction tank is connected with the circulating tank, the circulating tank is respectively connected with the sludge concentration tank and the TUF device, the TUF device is connected with the reverse osmosis device, and the reverse osmosis device is respectively connected with the DTRO device and the water tank; wherein the sludge in the circulation tank is conveyed to the sludge concentration tank, and the supernatant in the circulation tank is conveyed to the TUF device; and the concentrated water generated by the reverse osmosis device is conveyed to the DTRO device, and the fresh water generated by the reverse osmosis device is conveyed to the water pool.

2. The waste incineration power plant production wastewater treatment system of claim 1, further comprising a first filter connected to the conditioning tank, wherein wastewater enters the conditioning tank after passing through the first filter.

3. The waste incineration power plant production wastewater treatment system of claim 2, wherein the first filter is a bag filter.

4. The waste incineration power plant industrial wastewater treatment system of claim 3, wherein the DTRO device comprises a water inlet pump, a second filter, a first high-pressure pump, an online booster pump and a DTRO device, the water inlet pump is connected with the second filter, the second filter is connected with the first high-pressure pump, the first high-pressure pump is connected with the online booster pump, and the online booster pump is connected with the DTRO device.

5. The waste incineration power plant production wastewater treatment system of claim 4, wherein the DTRO equipment comprises a second high pressure pump, a circulation pump and a DTRO membrane module, the second high pressure pump is connected with the circulation pump, and the circulation pump is connected with the DTRO membrane module.

6. The waste incineration power plant production wastewater treatment system of claim 5, wherein the second filter is a cartridge filter.

7. The waste incineration power plant production wastewater treatment system of claim 6, wherein the DTRO device further comprises a dosing system, the dosing system being connected to the DTRO equipment.

8. The waste incineration power plant production wastewater treatment system of claim 7, wherein the DTRO device further comprises a cleaning system connected to the DTRO equipment.

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