CN111099769A - Sewage purification cyclic utilization system of steam power plant - Google Patents
Sewage purification cyclic utilization system of steam power plant Download PDFInfo
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- CN111099769A CN111099769A CN201911374588.6A CN201911374588A CN111099769A CN 111099769 A CN111099769 A CN 111099769A CN 201911374588 A CN201911374588 A CN 201911374588A CN 111099769 A CN111099769 A CN 111099769A
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- tank
- power plant
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- adjusting
- neutralization
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
A sewage purification and cyclic utilization system of a thermal power plant relates to the field of sewage purification. It contains the sewage storage pond, the PH adjusting tank, the PH adjusting agent device, first monitoring devices, the sedimentation tank, the clarification filtering ponds, the neutralization pond, the neutralizer device, the second monitoring devices, the water purification circulation pond, concentrated pond, the dehydration dryer, the sewage storage pond sets up with PH adjusting tank intercommunication, the inside fixed first monitoring devices that sets up of PH adjusting pond, sedimentation tank and clarification filtering ponds intercommunication set up, it is fixed with the neutralizer device to connect soon in the neutralization pond, the inside second monitoring devices that sets up in neutralization pond, the neutralization pond is connected with the water purification circulation pond, concentrated pond and dehydration dryer fixed connection. After the technical scheme is adopted, the invention has the beneficial effects that: its reasonable in design can realize the reuse of steam power plant sewage, and effectual water economy resource avoids extravagant, avoids environmental pollution, and is efficient, effectual, perfects the purifying process of sewage, and the management of being convenient for is worth extensive popularization.
Description
Technical Field
The invention relates to the field of sewage purification, in particular to a sewage purification and recycling system for a thermal power plant.
Background
Electric power is an essential energy source in economic development of China and life of people. With the increasing demand of China for electric power, China also vigorously builds power plants so as to meet the increasing demand for electric power. The thermal power plant is a main power supply place for power generation in China, and is mainly supplied with power by a large-scale unit. However, a lot of sewage is generated while power is supplied, and great pollution is brought to the environment of China. The realization is to the sewage zero release technique of steam power plant, purifies cyclic utilization to sewage, makes our country can sustainable development have very realistic meaning.
The existing sludge treatment mode only adopts filtration and drying, the treatment efficiency is low, and the existing thermal power plant sewage purification recycling system is not beneficial to workers to timely purify information before or after purification, so that the management is inconvenient. Therefore, the research on the efficient utilization system for the sewage purification and cyclic utilization of the thermal power plant, which is convenient for supervision, has important significance for accelerating the sewage treatment pace of the thermal power plant.
Disclosure of Invention
The invention aims to provide a thermal power plant sewage purification and recycling system aiming at the defects and shortcomings of the prior art, the system is reasonable in design, can realize the recycling of thermal power plant sewage, effectively saves water resources, avoids waste, avoids environmental pollution, is high in efficiency and good in effect, perfects the sewage purification process, is based on the ZigBee technology, is convenient for workers to know real-time information of the sewage before and after purification, is convenient for management, and is worthy of large-scale popularization.
In order to achieve the purpose, the invention adopts the following technical scheme: it comprises a sewage storage tank 1, a PH adjusting tank 2, a PH adjusting agent device 21, a first monitoring device 22, a sedimentation tank 3, a clarification and filtration tank 4, a neutralization tank 5, a neutralizer device 51, a second monitoring device 52, a purified water circulating tank 6, a concentration tank 7 and a dehydration dryer 8, the sewage storage tank 1 is communicated with the PH adjusting tank 2, one end of the PH adjusting tank 21 is fixedly connected with the PH adjusting agent device 21, a first monitoring device 22 is fixedly arranged inside the PH adjusting tank 2, the PH adjusting tank 2 is connected with the sedimentation tank 3, the sedimentation tank 3 is communicated with the clarification filtering tank 4, one end of the clarification filtering tank 4 is connected with the neutralization tank 5, the neutralization tank 5 is fixedly connected with the neutralizer 51, a second monitoring device 52 is arranged inside the neutralization tank 5, the neutralization tank 5 is connected with the water purification circulating tank 6, the other end of the clarification filtering tank 4 is communicated with the concentration tank 7, and the concentration tank 7 is fixedly connected with the dehydration dryer 8.
The pH adjusting agent in the pH adjusting agent device 21 is.
The first monitoring device 22 is embedded with a first central processing unit 221, the central processing unit 221 is connected with the first wireless communicator 23, the first PH value detector 24 is fixedly arranged on the inner wall of the PH adjusting pool 2, and the first PH value detector 24 is connected with the first central processing unit 221.
One end of the sedimentation tank 3 is connected with a dosing device 31, and the medicament inside the dosing device 31 is coagulant or coagulant aid.
The joint of the clarification filter tank 4 and the neutralization tank 5 is provided with a high-pressure pump 41.
The neutralizer in the neutralizer device 51 is.
The second monitoring device 52 is embedded with a second central processing unit 521, the second central processing unit 521 is connected with the second wireless communicator 53, the second PH detector 54 is fixedly arranged on the inner wall of the neutralization pond 5, and the second PH detector 54 is electrically connected with the second central processing unit 521.
The first monitoring device 22 and the second detecting device 52 are in signal connection with the supervisory system 9 through ZigBee, and a wireless communicator and a central processing unit for receiving/sending data are arranged inside the supervisory system 9.
The sewage storage tank 1 is connected with the PH adjusting tank 2 through a pipeline 10, a flowmeter is arranged inside the pipeline 10, and a valve 101 is fixedly arranged on the pipeline 10.
The clarifying filter tank 4 is provided with one stage or two stages.
The working principle of the invention is as follows: thermal power plant sewage passes through the pipeline and gets into sewage storage pond, and the sewage in the sewage storage pond gets into the PH adjustment pond after, lets in the PH adjustment pond and carries out the PH value adjustment, and the circulating water after carrying out the PH adjustment gets into the sedimentation tank, adds coagulant, coagulant aid after successively, produces the circulating water after deposiing and filters in the clarification filtering ponds, and the circulating water after the filtration gets into the neutralization pond and flow into the water purification circulation pond after neutralizing, and mud after the clarification filtering ponds filtration lets in the dehydration dryer after the concentration pond is concentrated and carries out dehydration drying process, and the mud cake loading after the stoving is carried away.
After the technical scheme is adopted, the invention has the beneficial effects that: its reasonable in design can realize the reuse of steam power plant sewage, and effectual water economy resource avoids extravagant, avoids environmental pollution, and is efficient, effectual, perfects the purifying process of sewage, and based on zigBee technique, the staff of being convenient for knows sewage before the purification and the real-time information after the purification, and the management of being convenient for is worth extensive popularization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the connection between the first monitoring device 22 and the second monitoring device 52 and the supervisory system 9 according to the present invention;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Description of reference numerals: the sewage treatment system comprises a sewage storage tank 1, a PH adjusting tank 2, a PH adjusting agent device 21, a first monitoring device 22, a first central processing unit 221, a first wireless communicator 23, a first PH value detector 24, a sedimentation tank 3, a dosing device 31, a clarification filtering tank 4, a high-pressure pump 41, a neutralization tank 5, a neutralizing agent device 51, a second monitoring device 52, a second central processing unit 521, a second wireless communicator 53, a second PH value detector 54, a purified water circulating tank 6, a concentration tank 7, a dewatering dryer 8, a supervision system 9, a pipeline 10 and a valve 101.
Detailed Description
Example 1
Referring to fig. 1 to 2, the technical solution adopted by the present embodiment is: it is composed of a sewage storage tank 1, a PH adjusting tank 2, a PH adjusting agent device 21, a first monitoring device 22, a sedimentation tank 3, a clarification filter tank 4, a neutralization tank 5, a neutralizer device 51, a second monitoring device 52, a purified water circulating tank 6, a concentration tank 7 and a dehydration dryer 8, wherein one end of the sewage storage tank 1 is connected with the PH adjusting tank 2, the PH adjusting tank 2 is connected with the PH adjusting agent device 21, the first monitoring device 22 is arranged in the PH adjusting tank 2, the outlet of the PH adjusting tank 2 is connected with the sedimentation tank 3, the outlet of the sedimentation tank 3 is connected with the clarification filter tank 4, the outlet of one end of the clarification filter tank 4 is connected with the neutralization tank 5, the neutralization tank 5 is fixedly connected with the neutralizer device 51, the second monitoring device 52 is arranged in the neutralization tank 5, the outlet of the neutralization tank 5 is connected with the inlet of the purified water circulating tank 6, the outlet of the other end of the clarification filter tank 4 is connected with the concentration tank 7, the outlet of the concentration, the dehydration dryer 8 can accelerate the drying speed of the slurry and improve the working efficiency of the system.
The pH adjusting agent in the pH adjusting agent device 21 is.
The first monitoring device 22 is embedded with a first central processing unit 221, the central processing unit 221 is connected with the first wireless communicator 23, the first PH detector 24 is fixedly installed on the inner wall of the PH adjusting pool 2, and the first PH detector 24 is electrically connected with the first central processing unit 221.
One end of the sedimentation tank 3 is connected with a dosing device 31, the medicament in the dosing device 31 is coagulant and anti-coagulant, and the coagulant and the anti-coagulant are released to the sedimentation tank 3 in sequence.
The clarifying and filtering tank 4 is connected with the neutralizing tank 5, and a high-pressure pump 41 is arranged at the connecting position.
The neutralizer in the neutralizer device 51 is.
The second monitoring device 52 is embedded with a second cpu 521, the second cpu 521 is electrically connected to the second wireless communicator 52, the second PH detector 54 is fixedly mounted on the inner wall of the neutralization tank 5, and the second PH detector 54 is electrically connected to the second cpu 521.
The first monitoring device 22 and the second detecting device 52 are in signal connection with the supervisory system 9 through the ZigBee technology, and a wireless communicator and a central processing unit for receiving/sending data are installed inside the supervisory system 9.
The sewage storage tank 1 is connected with the PH adjusting tank 2 through a pipeline 10, a flowmeter is arranged inside the pipeline 10, and a valve 101 is fixedly arranged on the pipeline 10. All the tank bodies in the system are connected through pipelines 10, and a flowmeter and a valve 101 are installed in each pipeline.
The clarification filter tank 4 is arranged in a first stage.
Example 2
Referring to fig. 3, the technical solution adopted by the present embodiment is: it is composed of a sewage storage tank 1, a PH adjusting tank 2, a PH adjusting agent device 21, a first monitoring device 22, a sedimentation tank 3, a clarification filter tank 4, a neutralization tank 5, a neutralizer device 51, a second monitoring device 52, a purified water circulating tank 6, a concentration tank 7 and a dehydration dryer 8, wherein one end of the sewage storage tank 1 is connected with the PH adjusting tank 2, the PH adjusting tank 2 is connected with the PH adjusting agent device 21, the first monitoring device 22 is arranged in the PH adjusting tank 2, the outlet of the PH adjusting tank 2 is connected with the sedimentation tank 3, the outlet of the sedimentation tank 3 is connected with the clarification filter tank 4, the outlet of one end of the clarification filter tank 4 is connected with the neutralization tank 5, the neutralization tank 5 is fixedly connected with the neutralizer device 51, the second monitoring device 52 is arranged in the neutralization tank 5, the outlet of the neutralization tank 5 is connected with the inlet of the purified water circulating tank 6, the outlet of the other end of the clarification filter tank 4 is connected with the concentration tank 7, the outlet of the concentration, the dehydration dryer 8 can accelerate the drying speed of the slurry and improve the working efficiency of the system.
The pH adjusting agent in the pH adjusting agent device 21 is.
The first monitoring device 22 is embedded with a first central processing unit 221, the central processing unit 221 is connected with the first wireless communicator 23, the first PH detector 24 is fixedly installed on the inner wall of the PH adjusting pool 2, and the first PH detector 24 is electrically connected with the first central processing unit 221.
One end of the sedimentation tank 3 is connected with a dosing device 31, the medicament in the dosing device 31 is coagulant and anti-coagulant, and the coagulant and the anti-coagulant are released to the sedimentation tank 3 in sequence.
The clarifying and filtering tank 4 is connected with the neutralizing tank 5, and a high-pressure pump 41 is arranged at the connecting position.
The neutralizer in the neutralizer device 51 is.
The second monitoring device 52 is embedded with a second cpu 521, the second cpu 521 is electrically connected to the second wireless communicator 52, the second PH detector 54 is fixedly mounted on the inner wall of the neutralization tank 5, and the second PH detector 54 is electrically connected to the second cpu 521.
The first monitoring device 22 and the second detecting device 52 are in signal connection with the supervisory system 9 through the ZigBee technology, and a wireless communicator and a central processing unit for receiving/sending data are installed inside the supervisory system 9.
The sewage storage tank 1 is connected with the PH adjusting tank 2 through a pipeline 10, a flowmeter is arranged inside the pipeline 10, and a valve 101 is fixedly arranged on the pipeline 10. All the tank bodies in the system are connected through pipelines 10, and a flowmeter and a valve 101 are installed in each pipeline.
The clarification filter tank 4 is provided with two stages.
The working principle of the invention is as follows: thermal power plant sewage passes through the pipeline and gets into sewage storage pond, and the sewage in the sewage storage pond gets into the PH adjustment pond after, lets in the PH adjustment pond and carries out the PH value adjustment, and the circulating water after carrying out the PH adjustment gets into the sedimentation tank, adds coagulant, coagulant aid after successively, produces the circulating water after deposiing and filters in the clarification filtering ponds, and the circulating water after the filtration gets into the neutralization pond and flow into the water purification circulation pond after neutralizing, and mud after the clarification filtering ponds filtration lets in the dehydration dryer after the concentration pond is concentrated and carries out dehydration drying process, and the mud cake loading after the stoving is carried away.
After the technical scheme is adopted, the invention has the beneficial effects that: its reasonable in design can realize the reuse of steam power plant sewage, and effectual water economy resource avoids extravagant, avoids environmental pollution, and is efficient, effectual, perfects the purifying process of sewage, and based on zigBee technique, the staff of being convenient for knows sewage before the purification and the real-time information after the purification, and the management of being convenient for is worth extensive popularization.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a sewage purification cyclic utilization system of steam power plant which characterized in that: it comprises a sewage storage tank (1), a PH adjusting tank (2), a PH regulator device (21), a first monitoring device (22), a sedimentation tank (3), a clarification filtration tank (4), a neutralization tank (5), a neutralizer device (51), a second monitoring device (52), a purified water circulation tank (6), a concentration tank (7) and a dehydration dryer (8), wherein the sewage storage tank (1) is communicated with the PH adjusting tank (2), one end of the PH adjusting tank (21) is fixedly connected with the PH regulator device (21), the first monitoring device (22) is fixedly arranged in the PH adjusting tank (2), the PH adjusting tank (2) is connected with the sedimentation tank (3), the sedimentation tank (3) is communicated with the clarification filtration tank (4), one end of the clarification filtration tank (4) is connected with the neutralization tank (5), the neutralization tank (5) is fixedly connected with the neutralizer device (51) in a rotary mode, the second monitoring device (52) is arranged in the neutralization tank (5), the neutralization tank (5) is connected with the purified water circulating tank (6), the other end of the clarification filtering tank (4) is communicated with the concentration tank (7), and the concentration tank (7) is fixedly connected with the dehydration dryer (8).
2. The thermal power plant sewage purification and recycling system of claim 1, wherein: the PH regulator in the PH regulator device (21) is.
3. The thermal power plant sewage purification and recycling system of claim 1, wherein: the first monitoring device (22) is internally embedded with a first central processing unit (221), the central processing unit (221) is connected with the first wireless communicator (23), the first PH value detector (24) is fixedly arranged on the inner wall of the PH adjusting pool (2), and the first PH value detector (24) is connected with the first central processing unit (221).
4. The thermal power plant sewage purification and recycling system of claim 1, wherein: one end of the sedimentation tank (3) is connected with a dosing device (31), and the medicament in the dosing device (31) is coagulant or coagulant aid.
5. The thermal power plant sewage purification and recycling system of claim 1, wherein: and a high-pressure pump (41) is arranged at the joint of the clarification filtering tank (4) and the neutralization tank (5).
6. The thermal power plant sewage purification and recycling system of claim 1, wherein: the neutralizer in the neutralizer device (51) is as follows.
7. The thermal power plant sewage purification and recycling system of claim 1, wherein: the second monitoring device (52) is internally embedded with a second central processing unit (521), the second central processing unit (521) is connected with a second wireless communicator (53), a second PH value detector (54) is fixedly arranged on the inner wall of the neutralization pond (5), and the second PH value detector (54) is electrically connected with the second central processing unit (521).
8. The thermal power plant sewage purification and recycling system of claim 1, wherein: the first monitoring device (22) and the second detecting device (52) are in signal connection with the supervisory system (9) through ZigBee, and a wireless communicator and a central processing unit for receiving/sending data are arranged in the supervisory system (9).
9. The thermal power plant sewage purification and recycling system of claim 1, wherein: the sewage storage tank (1) is connected with the PH adjusting tank (2) through a pipeline (10), a flowmeter is arranged inside the pipeline (10), and a valve (101) is fixedly arranged on the pipeline (10).
10. The thermal power plant sewage purification and recycling system of claim 1, wherein: the clarifying and filtering tank (4) is provided with one stage or two stages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911374588.6A CN111099769A (en) | 2019-12-27 | 2019-12-27 | Sewage purification cyclic utilization system of steam power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911374588.6A CN111099769A (en) | 2019-12-27 | 2019-12-27 | Sewage purification cyclic utilization system of steam power plant |
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| CN111099769A true CN111099769A (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911374588.6A Pending CN111099769A (en) | 2019-12-27 | 2019-12-27 | Sewage purification cyclic utilization system of steam power plant |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59147694A (en) * | 1983-02-15 | 1984-08-24 | Mitsubishi Heavy Ind Ltd | Treatment of waste water from stack gas desulfurization |
| CN203474554U (en) * | 2013-07-26 | 2014-03-12 | 袁峰 | Wet flue gas desulfurized waste water treatment device |
| CN205586647U (en) * | 2016-03-16 | 2016-09-21 | 龚大秀 | Purification treatment and monitoring system that sewage cycle utilized based on ZIGBEE network |
| CN108046478A (en) * | 2018-01-15 | 2018-05-18 | 华电莱州发电有限公司 | A kind of power plant desulfurization wastewater treatment system and technique |
-
2019
- 2019-12-27 CN CN201911374588.6A patent/CN111099769A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59147694A (en) * | 1983-02-15 | 1984-08-24 | Mitsubishi Heavy Ind Ltd | Treatment of waste water from stack gas desulfurization |
| CN203474554U (en) * | 2013-07-26 | 2014-03-12 | 袁峰 | Wet flue gas desulfurized waste water treatment device |
| CN205586647U (en) * | 2016-03-16 | 2016-09-21 | 龚大秀 | Purification treatment and monitoring system that sewage cycle utilized based on ZIGBEE network |
| CN108046478A (en) * | 2018-01-15 | 2018-05-18 | 华电莱州发电有限公司 | A kind of power plant desulfurization wastewater treatment system and technique |
Non-Patent Citations (1)
| Title |
|---|
| 王淑勤等: "《电厂化学技术》", 31 March 2007, 中国电力出版社 * |
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Application publication date: 20200505 |