CN217757156U - Boiler make-up water treatment system - Google Patents
Boiler make-up water treatment system Download PDFInfo
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- CN217757156U CN217757156U CN202220338067.6U CN202220338067U CN217757156U CN 217757156 U CN217757156 U CN 217757156U CN 202220338067 U CN202220338067 U CN 202220338067U CN 217757156 U CN217757156 U CN 217757156U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
The utility model discloses a boiler makeup water treatment system relates to water treatment technical field. A boiler make-up water treatment system comprises a heat exchanger, a first filter, an ultrafiltration device, a primary reverse osmosis system, a secondary reverse osmosis system, a second filter, an EDI device and a demineralized water tank which are sequentially connected by pipelines; the primary reverse osmosis system comprises a primary cartridge filter, a primary reverse osmosis device and a primary RO water tank which are sequentially connected by pipelines; the primary security filter is connected with the ultrafiltration device; the secondary reverse osmosis system comprises a secondary security filter, a secondary reverse osmosis device and a secondary RO water tank which are sequentially connected by pipelines; the secondary security filter is connected with the primary RO water tank; and the second-stage RO water tank is connected with a second filter. The utility model discloses a boiler feedwater treatment system can make the raw water reach the water requirement of boiler feedwater, can be used to boiler feedwater, solves the reutilization of raw water and the problem that the boiler desiccation needs to last the moisturizing simultaneously.
Description
Technical Field
The utility model relates to a water treatment technical field especially relates to a boiler makeup water processing system.
Background
The boiler can convert chemical energy in solid fuel, liquid fuel and gas fuel into heat energy; the water can be changed into hot water or steam by directly using electric energy, nuclear energy or waste heat, and the water can be used for converting the electric energy into heat energy in a power plant. However, loss of exhaust emissions occurs during boiler use, thereby losing water.
Taking a boiler of a power plant as an example, the pollution discharge loss comprises normal periodic pollution discharge, sediment removal and solid concentration removal, and continuous pollution discharge; because the parameters of the power station boiler are higher, the requirements on the water quality (whether feed water or boiler water) are high, and the two kinds of pollution discharge are the largest factors of water loss and account for about 5 percent of the feed water; in addition, if the oxygen is removed by heat, the consumed steam is very large, and some steam can reach about 5 percent of the steam quantity; and other domestic steam, running, overflowing, dripping, leaking and the like which can not recover condensed water. Therefore, it is necessary to continuously supply makeup water to the boiler.
Therefore, in order to solve the problem that water needs to be continuously supplemented due to water loss of the boiler, a boiler make-up water treatment system needs to be researched, is used for treating raw water, meets the water quality requirement of boiler make-up water, realizes secondary utilization of the raw water, and solves the problem of water loss of the boiler by using the treated water for the boiler make-up water.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a boiler feedwater treatment system, aim at solve the reutilization of raw water and the problem that the boiler is desiccated and need last the moisturizing simultaneously.
The method specifically comprises the following steps:
a boiler make-up water treatment system comprises a heat exchanger, a first filter, an ultrafiltration device, a primary reverse osmosis system, a secondary reverse osmosis system, a second filter, an EDI device and a demineralized water tank which are sequentially connected by pipelines; the primary reverse osmosis system comprises a primary security filter, a primary reverse osmosis device and a primary RO water tank which are sequentially connected through a pipeline; one end of the primary security filter is connected with the ultrafiltration device, and the other end of the primary security filter is connected with the primary reverse osmosis device; the secondary reverse osmosis system comprises a secondary security filter, a secondary reverse osmosis device and a secondary RO water tank which are sequentially connected by pipelines; one end of the secondary security filter is connected with the primary RO water tank, and the other end of the secondary security filter is connected with the secondary reverse osmosis device; and one end of the second-stage RO water tank is connected with the second-stage RO device, and the other end of the second-stage RO water tank is connected with the second filter.
Preferably, a first dosing device is arranged on a pipeline between the heat exchanger and the first filter.
Preferably, an ultrafiltration water tank and a second dosing device are sequentially arranged on a pipeline between the ultrafiltration device and the primary security filter, and an ultrafiltration water pump is arranged on a pipeline between the ultrafiltration water tank and the ultrafiltration device; one end of the ultrafiltration water tank is connected with the ultrafiltration device, and the other end of the ultrafiltration water tank is connected with the ultrafiltration water pump; one end of the second dosing device is connected with the ultrafiltration water pump, and the other end of the second dosing device is connected with the primary security filter.
Preferably, a first-stage high-pressure pump is arranged on a pipeline between the first-stage cartridge filter and the first-stage reverse osmosis device.
Preferably, a second-stage high-pressure pump is arranged on a pipeline between the second-stage cartridge filter and the second-stage reverse osmosis device.
Preferably, a third dosing device is arranged on a pipeline between the primary RO water tank and the secondary cartridge filter, and a primary RO water pump is arranged on a pipeline between the primary RO water tank and the third dosing device; one end of the primary RO water production tank is connected with the primary RO device, and the other end of the primary RO water production tank is connected with the primary RO water production pump; one end of the third dosing device is connected with the first-stage RO water production pump, and the other end of the third dosing device is connected with the second-stage security filter.
Preferably, a second-stage RO water pump is arranged on a pipeline between the second-stage RO water tank and the second filter.
Preferably, a desalting water pump is arranged at the outlet of the desalting water tank.
Preferably, the system further comprises a raw water tank, and the raw water tank is connected with the heat exchanger through a pipeline.
Further, a raw water pump is arranged on a pipeline between the raw water tank and the heat exchanger; one end of the raw water pump is connected with the raw water tank, and the other end of the raw water pump is connected with the heat exchanger.
Has the advantages that:
the boiler make-up water treatment system of the utility model carries out a series of water treatments on the raw water, so that the raw water meets the water requirement of the boiler make-up water, can be used for the boiler make-up water, realizes the recycling of the raw water, improves the utilization rate and reduces the cost; and simultaneously, the problem that the water of the boiler needs to be continuously supplemented is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
FIG. 1 is a schematic view of a boiler makeup water treatment system according to the present invention.
FIG. 2 is a schematic view of a portion of a boiler makeup water treatment system according to the present invention.
FIG. 3 is a schematic view of a portion of a boiler makeup water treatment system according to the present invention.
FIG. 4 is a partial schematic view of the boiler feedwater treatment system of the present invention.
Fig. 5 is a schematic diagram of the waste water external supply system of the utility model.
The labels in the figures illustrate:
1-raw water tank; 101-raw water pump; 2-a heat exchanger; 3-a first dosing device; 4-a first filter; 5-an ultrafiltration device; 6-ultrafiltration water tank; 601-ultrafiltration pump; 7-a second dosing device; 8-first level cartridge filter; 801-first level high pressure pump; 9-a first-stage reverse osmosis device; 10-first-level RO water tank; 1002-first-level RO water pump; 11-a third dosing device; 12-a secondary cartridge filter; 1301-a second-level high pressure pump; 13-a secondary reverse osmosis unit; 14-a secondary RO water tank; 1401-a two-stage RO water producing pump; 15-a second filter; 16-an EDI device; 17-a demineralized water tank; 1701-desalting water pump; 18-a waste water external supply system; 181-a wastewater tank; 182-vacuum diversion tank 183-waste water pump; 184-spare waste water pump.
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 some, not all, of the embodiments of the present invention. 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.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the present product is conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal, vertical or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1-4, the boiler makeup water treatment system includes a raw water tank 1, a heat exchanger 2, a first filter 4, an ultrafiltration device 5, an ultrafiltration water tank 6, a first-stage reverse osmosis system, a second filter 15, an EDI device 16, and a demineralized water tank 17, which are sequentially connected by pipes.
The raw water pump 101 is arranged on a pipeline between the raw water tank 1 and the heat exchanger 2, raw water enters the raw water tank 1 through the pipeline and is pumped into the heat exchanger 2 by the raw water pump 101 for heating, and the heat exchanger 2 can be a plate heat exchanger. Be provided with first charge device 3 on the pipeline between heat exchanger 2 and the first filter 4, first charge device 3 is arranged in adding germicide to the pipeline, and germicide filters in letting in first filter 4 along with the water of output in the heat exchanger 2, and the raw water rethread pipeline after the filtration enters into ultrafiltration device 5 in the ultrafiltration treatment. Wherein the first filter 4 may be selected as a self-cleaning filter.
The ultrafiltration device 5 ensures the amount and the quality of the pretreated water, and the quality of the outlet water meets the water inlet requirement of a reverse osmosis system; the ultrafiltration membrane element is an external pressure membrane and made of polyvinylidene fluoride (PVDF), so that normal operation and reasonable cleaning period of the inner membrane element within the designed age limit are guaranteed.
An ultrafiltration water pump 601 and a second dosing device 7 are sequentially arranged on a pipeline between the ultrafiltration water tank 6 and the primary reverse osmosis system; the second dosing device 7 is used to add a reducing/scale inhibiting agent to the pipeline. The water after ultrafiltration treatment enters the ultrafiltration water tank 6 through a pipeline, is pressed into the pipeline by the ultrafiltration water pump 601, and enters the primary reverse osmosis system together with the reduction/scale inhibitor added into the pipeline for treatment.
Referring to fig. 3, the primary reverse osmosis system comprises a primary cartridge filter 8, a primary high-pressure pump 801, a primary reverse osmosis device 9, a primary RO water tank 10 and a primary RO water production pump 1001 which are connected in sequence by pipes; specifically, the primary cartridge filter 8 is connected with the second dosing device 7 through a pipeline, the ultrafiltered water and the reducing/scale inhibitor added in the pipeline are introduced into the primary cartridge filter 8 to be mixed and filtered, the filtered water is pumped into the primary reverse osmosis device 9 by the primary high-pressure pump 801 to carry out the first reverse osmosis operation, and the generated clean water is introduced into the primary RO water tank 10. Wherein, the RO in the first-stage RO water tank represents a reverse osmosis device, namely the first-stage RO water tank is the reverse osmosis device.
Referring to fig. 4, the secondary reverse osmosis system comprises a secondary cartridge filter 12, a secondary high pressure pump 1201, a secondary reverse osmosis device 13, a secondary RO water tank 14, and a secondary RO product water pump 1401 connected in series by piping. A third chemical adding device 11 is arranged on a pipeline between the primary reverse osmosis system and the secondary reverse osmosis system, specifically, one end of the third chemical adding device 11 is connected with the primary RO water producing pump 1001, and the other end is connected with the secondary security filter 12; the third medicine adding device 11 is used for adding a pH regulator such as sodium hydroxide into the pipeline for balancing the pH value of water. The first-stage RO water producing pump 1001 is connected with the second-stage security filter 12, the first-stage RO water producing pump 1001 pumps clean water in the first-stage RO water tank 10 into the pipeline, and the clean water and PH regulators such as sodium hydroxide and the like added into the pipeline are introduced into the second-stage security filter 12 to be mixed and filtered. The filtered clean water is pumped into the secondary reverse osmosis device 13 by the secondary high-pressure pump 1201 for the second reverse osmosis operation, and the produced pure water is introduced into the secondary RO water tank 14. The second-stage RO water tank and the first-stage RO water tank are the same and are reverse osmosis equipment.
The secondary reverse osmosis system is connected to the second filter 15, and in particular, the secondary RO water production pump 1401 is connected to the second filter 15. The secondary RO water producing pump 1401 pumps pure water from the secondary RO water tank 14 into the second filter 15 for filtration, and the second filter 15 may be a fine filter. The second filter 15 is connected to the EDI unit and the pure water filtered by the second filter 15 is passed to the EDI unit 16 for further treatment.
The EDI in the EDI device 16, also called continuous electric desalination technology, combines the traditional electrodialysis technology and the ion exchange technology, and makes ions in water directionally migrate under the action of electric field force through the selective permeability of cation and anion membranes to cations and anions and the exchange action of ion exchange resin to ions in water, thereby realizing deep purification and desalination of water. Hydrogen ions and hydroxyl ions generated by water electrolysis continuously regenerate the resin; therefore, the EDI water production process can continuously produce high-quality ultrapure water without acid-base chemical regeneration.
The EDI device 16 is connected with the demineralized water tank 17, namely, after the EDI device 16 is subjected to continuous electric desalting treatment, the produced pure water is introduced into the demineralized water tank 17. The demineralized water pump 1701 is connected to the outlet of the demineralized water tank 17, and the demineralized water pump 1701 can pump out the water in the demineralized water tank 17 and introduce the water to the water consumption point for use.
Meanwhile, the first-level RO tank, the second-level RO tank, the EDI device, and the ultrafiltration device all include a cleaning system, and it should be noted that the specific structure of the cleaning system is well known to those skilled in the art, and the present invention is not limited thereto.
In addition, the boiler make-up water treatment system of the utility model can lead the waste water generated in the raw water treatment process into the waste water external supply system 18 for further treatment; referring to fig. 5, the waste water external supply system 18 includes a waste water tank 181, a vacuum water diversion tank 182 and a waste water pump 183 connected in sequence by pipes, and the waste water pump 183 is further connected in parallel with a spare waste water pump 184; the pipeline S1 and the pipeline S2 are wastewater inlet pipelines respectively used for introducing concentrated water generated by reverse osmosis and backwash water of an ultrafiltration device into the wastewater tank 18, wastewater in the wastewater tank 18 enters the vacuum water diversion tank 182 through the pipeline S3 and can be discharged through the pipeline S4 or pressed into the pipeline S6 by the wastewater pump 183 to be discharged to a designated treatment point.
The utility model discloses a boiler make-up water processing system still includes a compressed air jar for among the system ultrafiltration device's gas is used in backwash and instrument gas. It should be noted that the specific structure of the compressed air tank is well known to those skilled in the art, and the present invention is not limited thereto.
To sum up, the utility model discloses a boiler feedwater treatment system can carry out water treatment with the raw water, reaches the quality of water requirement of the required feedwater of boiler operation to be used for boiler feedwater, it is specific:
raw water enters a raw water tank 1 and is pumped into a heat exchanger 3 by a raw water pump 101 for heating; the heated raw water is introduced into a pipeline, the heated raw water and the bactericide added into the pipeline by the first medicine adding device 3 are introduced into a first filter 4 together for mixing and filtering, and the raw water after part of impurities are filtered is introduced into an ultrafiltration device 5 for ultrafiltration; the raw water purified by ultrafiltration is introduced into an ultrafiltration water tank 6, is pressed into a pipeline by an ultrafiltration water pump 601, and is introduced into a primary security filter 8 together with a reducing/scale inhibitor added into the pipeline by a second dosing device 7 for mixing and filtering; the filtered raw water is pumped into a first-stage reverse osmosis device 9 by a first-stage high-pressure pump 801 to carry out a first reverse osmosis operation; clean water generated by the first reverse osmosis operation is introduced into the first-stage RO water tank 10, is pumped into a pipeline by the first-stage RO water production pump 1001, and is introduced into the second-stage security filter 12 together with pH regulators such as sodium hydroxide and the like added into the pipeline by the third dosing device 11 for mixing and filtering; the filtered clean water is pressed into a secondary reverse osmosis device 13 by a secondary high-pressure pump 1201 to carry out secondary reverse osmosis operation; the pure water generated by the second reverse osmosis operation is introduced into the second RO water tank 17, is pressed into the second filter 15 by the second RO water generating pump 1401 for filtering, and is then introduced into the EDI device 16 for continuous electric desalting operation, the pure water from which salt is removed is introduced into the desalted water tank 17 for storage, and the desalted water pump 1701 connected to the water outlet of the desalted water tank 17 can pump the pure water to a water using point for use, and is used for boiler make-up water.
The utility model discloses a boiler makeup water processing system, including all makeup water processing systems such as self-cleaning filtration system, raw water heating system, ultrafiltration system, reverse osmosis system (including adding medicine and cleaning system), EDI device, compressed air basin, all kinds of water tanks, all kinds of water pumps. The raw water is subjected to a series of water treatment, so that the raw water meets the water requirement of boiler make-up water, can be used for the boiler make-up water, realizes the recycling of the raw water, improves the utilization rate and reduces the cost.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A boiler make-up water treatment system is characterized by comprising a heat exchanger, a first filter, an ultrafiltration device, a primary reverse osmosis system, a secondary reverse osmosis system, a second filter, an EDI device and a demineralized water tank which are sequentially connected by pipelines; the primary reverse osmosis system comprises a primary cartridge filter, a primary reverse osmosis device and a primary RO water tank which are sequentially connected by pipelines; one end of the primary security filter is connected with the ultrafiltration device, and the other end of the primary security filter is connected with the primary reverse osmosis device; the secondary reverse osmosis system comprises a secondary security filter, a secondary reverse osmosis device and a secondary RO water tank which are sequentially connected by pipelines; one end of the secondary security filter is connected with the primary RO water tank, and the other end of the secondary security filter is connected with the secondary reverse osmosis device; and one end of the secondary RO water tank is connected with the secondary RO device, and the other end of the secondary RO water tank is connected with the second filter.
2. The boiler makeup water treatment system according to claim 1, wherein a first chemical dosing device is provided on a pipe between said heat exchanger and said first filter.
3. The boiler feedwater treatment system according to claim 2, wherein an ultrafiltration water tank and a second dosing device are sequentially arranged on the pipeline between the ultrafiltration device and the primary cartridge filter, and an ultrafiltration water pump is arranged on the pipeline between the ultrafiltration water tank and the ultrafiltration device; one end of the ultrafiltration water tank is connected with the ultrafiltration device, and the other end of the ultrafiltration water tank is connected with the ultrafiltration water pump; one end of the second dosing device is connected with the ultrafiltration water pump, and the other end of the second dosing device is connected with the primary security filter.
4. The boiler makeup feed water treatment system according to claim 3, wherein a primary high pressure pump is provided on a pipe between said primary canister filter and said primary reverse osmosis device.
5. The boiler feedwater treatment system of claim 4, wherein a second stage high pressure pump is provided in the line between the secondary cartridge filter and the secondary reverse osmosis device.
6. The boiler feedwater treatment system of claim 5, wherein a third dosing device is arranged on the pipeline between the primary RO water tank and the secondary cartridge filter, and a primary RO water pump is arranged on the pipeline between the primary RO water tank and the third dosing device; one end of the primary RO water production tank is connected with the primary reverse osmosis device, and the other end of the primary RO water production tank is connected with the primary RO water production pump; one end of the third dosing device is connected with the first-stage RO water production pump, and the other end of the third dosing device is connected with the second-stage security filter.
7. The boiler makeup water treatment system according to claim 6, wherein a secondary RO product water pump is provided on a pipe between said secondary RO water tank and said second filter.
8. The boiler feedwater treatment system of claim 7 wherein a demineralized water pump is provided at an outlet of the demineralized water tank.
9. The boiler makeup water treatment system according to claim 8, further comprising a raw water tank, said raw water tank being connected to said heat exchanger by a pipe.
10. The boiler makeup water treatment system according to claim 9, wherein a raw water pump is provided on a pipe between said raw water tank and said heat exchanger; one end of the raw water pump is connected with the raw water tank, and the other end of the raw water pump is connected with the heat exchanger.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220338067.6U CN217757156U (en) | 2022-02-18 | 2022-02-18 | Boiler make-up water treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220338067.6U CN217757156U (en) | 2022-02-18 | 2022-02-18 | Boiler make-up water treatment system |
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| CN217757156U true CN217757156U (en) | 2022-11-08 |
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| CN202220338067.6U Active CN217757156U (en) | 2022-02-18 | 2022-02-18 | Boiler make-up water treatment system |
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Address after: Building 101, No. 30-1 Changjiang Pu Road, He'ao Community, Yuanshan Street, Longgang District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Hengtongyuan Environmental Protection and Energy Conservation Technology Co.,Ltd. Address before: 518000 building a, No. 30-1, Changjiang Pu Road, Henggang street, Longgang District, Shenzhen, Guangdong Province Patentee before: SHENZHEN HEADWATER ENVIRONMENTAL TECHNOLOGIES Co.,Ltd. |
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