WO2023236590A1 - Système de tuyauterie d'hydroxyde de calcium à nettoyage sur place et son procédé d'utilisation - Google Patents

Système de tuyauterie d'hydroxyde de calcium à nettoyage sur place et son procédé d'utilisation Download PDF

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Publication number
WO2023236590A1
WO2023236590A1 PCT/CN2023/078161 CN2023078161W WO2023236590A1 WO 2023236590 A1 WO2023236590 A1 WO 2023236590A1 CN 2023078161 W CN2023078161 W CN 2023078161W WO 2023236590 A1 WO2023236590 A1 WO 2023236590A1
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WIPO (PCT)
Prior art keywords
pipe
valve
pipeline
ball valve
milk
Prior art date
Application number
PCT/CN2023/078161
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English (en)
Chinese (zh)
Inventor
王大伟
许立宇
王俊生
刘志宏
陈林
冯诗钦
Original Assignee
华能(福建漳州)能源有限责任公司
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Application filed by 华能(福建漳州)能源有限责任公司 filed Critical 华能(福建漳州)能源有限责任公司
Priority to JP2023531032A priority Critical patent/JP2024524789A/ja
Publication of WO2023236590A1 publication Critical patent/WO2023236590A1/fr

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Classifications

    • 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
    • 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/005—Valves
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations

Definitions

  • the invention relates to the technical field of pipeline cleaning, and in particular to a milk-of-lime pipeline system capable of online cleaning and a method of using the same.
  • the clarifier uses lime milk and polymerized ferric sulfate for clarification treatment.
  • the transportation method is: passing the aqueous solution containing milk of lime through the pipeline conveyor into the clarification tank; however, since the main component of the milk of lime solution is calcium hydroxide, calcium hydroxide is adhesive and easily adheres to the inside of the pipeline. Over time, the milk of lime will The increase in the thickness of the adhesion will easily cause the diameter of the pipeline to become smaller. In the long run, it will cause the pipeline to become clogged, resulting in a decline in equipment processing, and in severe cases, it cannot operate. At the same time, because the milk of lime solution is alkaline, the milk of lime adheres to the pipeline. , will also affect the stability of the dosing system, causing the pH adjustment to fail to meet the requirements, resulting in poor hardness removal during water treatment, affecting water quality.
  • the present invention provides a lime milk pipeline system that can be cleaned online and a method of using the same.
  • the discharge end of the first milk of lime discharging assembly is connected to the first pipe by providing a second pipe, and a first electronic control valve, the first ball valve and the first stop valve;
  • the second pipeline is connected to the first pipeline by providing a third bifurcated pipeline, and the converging end of the third bifurcated pipeline is connected to the pipe between the first electronically controlled valve and the first ball valve on the second pipeline.
  • the branch end of the third bifurcated pipe is connected to the pipe between the fourth stop valve and the seventh ball valve on the first pipe, and the pipes on both sides of the branch end of the third bifurcated pipe are equipped with self-contained pipes that are far away from the second pipe.
  • the eighth ball valve, the first feeding pump, the sixth stop valve and the ninth ball valve are arranged in sequence.
  • the third pipeline is connected to the first pipeline by providing a fourth bifurcated pipeline, and the converging end of the fourth bifurcated pipeline is connected to the pipe between the second electronically controlled valve and the second ball valve on the third pipe.
  • the branch end of the fourth bifurcated pipe is connected to the pipe between the fifth stop valve and the seventh ball valve on the first pipe, and the pipes on both sides of the branch end of the fourth bifurcated pipe are equipped with self-contained pipes that are far away from the third pipe.
  • the tenth ball valve, the second feeding pump, the seventh stop valve and the eleventh ball valve are arranged in sequence.
  • a twelfth ball valve is also provided on the first pipeline, and the twelfth ball valve is arranged on the first pipeline at the connection position between the second bifurcation pipe and the first pipe and at the connection position between the third bifurcation pipe and the first pipe. on the pipeline between.
  • the discharge end of the first milk of lime discharge component and the third bifurcated pipe are also connected to the external tap water pump main pipe through pipeline connections.
  • the discharge end of the first milk of lime discharge component An eighth stop valve is provided on the pipeline connected to the external tap water pump main pipe.
  • a first manual butterfly valve and a first manual butterfly valve are arranged on the pipeline connected to the external tap water pump main pipe from the direction close to the third bifurcated pipeline. Electric butterfly valve.
  • the discharge end of the second milk of lime discharge component and the fourth bifurcated pipe are also connected to the external tap water pump main pipe through pipeline connections.
  • the discharge end of the second milk of lime discharge component A ninth stop valve is provided on the pipeline connected to the external tap water pump main pipe.
  • a second manual butterfly valve and a third manual butterfly valve are arranged on the pipeline connected to the external tap water pump main pipe from the direction close to the fourth bifurcated pipeline. Two electric butterfly valves.
  • the second communication port of the first clarifier is connected to the external dosing room through a pipeline connection
  • the third communication port of the first clarification tank is connected to the external water outlet through a pipeline connection.
  • the fourth communication port of the first clarifier is connected to the main pipe of the external running water pump and the external sludge pump respectively through pipeline connections.
  • the fourth communication port of the first clarifier is connected to the main pipe of the external running water pump.
  • There is a tenth stop valve, and a fourteenth ball valve and a third electronic control valve are arranged in sequence from the direction away from the first clarifier on the pipeline connecting the fourth communication port of the first clarifier and the external sludge pump.
  • the second communication port of the second clarification tank is connected to the external dosing room through a pipeline connection
  • the third communication port of the second clarification tank is connected to the external water outlet channel through a pipeline connection.
  • the fourth communication port of the second clarifier is connected to the main pipe of the external running water pump and the external sludge pump respectively through pipeline connections.
  • the fourth communication port of the second clarifier is connected to the main pipe of the external running water pump.
  • There is a twelfth stop valve, and a fifteenth ball valve and a fourth electric control valve are arranged in sequence from the direction away from the second clarifier on the pipeline connecting the fourth communication port of the second clarifier and the external sludge pump.
  • the present invention provides a method of using a milk-of-lime pipeline system that can be cleaned online, including the following steps:
  • the valves are all in a normally open state, the first electronic control valve, the second electronic control valve, the first electric butterfly valve, the second electric butterfly valve, the third electric control valve, the third electric butterfly valve, the fourth electric control valve and the fourth electric butterfly valve.
  • the opening and closing states are changed according to actual needs.
  • the first ball valve, the first stop valve, the second ball valve, the second stop valve, the third ball valve, the third stop valve, the fourth ball valve, the fifth ball valve, the sixth ball valve and the third All seven ball valves are normally closed;
  • the medicine pump to start working, and the medicine pump will spray the medicine liquid in the dosing and cleaning box.
  • the pH value of the medicinal liquid in the dosing and cleaning box is measured. If the pH value of the medicinal liquid drops, add the medicinal liquid.
  • the blockage is in the form of blockage at the pump ports of the first feeding pump and the second feeding pump, close the first electric control valve, the second electric control valve, the fourth stop valve, the fifth stop valve, the first electric butterfly valve and The second electric butterfly valve opens the first ball valve, the second ball valve, the third ball valve, the third stop valve, the fourth ball valve and the fifth ball valve, and at the same time controls the chemical pump to start working, and the chemical pump will add medicine to clean the liquid in the tank.
  • the pH value of the medicinal liquid in the dosing and cleaning box is measured. If the pH value of the medicinal liquid drops, add the medicinal liquid.
  • the pH value of the medicinal solution If the pH value of the medicinal solution is stable, stop the circulation of the medicinal solution and soak it. After soaking for a certain period of time, open the first electric butterfly valve, the second electric butterfly valve and the sixth ball valve, and use the water from the external tap water pump main pipe to purify the lime milk.
  • the pipeline system is flushed, and the flushed liquid flows out into an external collection tank.
  • the pipeline can be cleaned without cutting the pipeline. It only needs to control the opening and closing of the corresponding valve and then use the dosing pump to clean the pipeline.
  • the liquid in the dosing and cleaning box is injected into the milk of lime pipeline, and the milk of lime pipeline can be cleaned online.
  • the first clarifier and the second clarifier can be separated from the ones that need to be cleaned due to the closing of the corresponding valves.
  • the lime milk pipeline is separated, so that there is no need to shut down the operation of the first clarifier and the second clarifier during the cleaning process to shorten the operation time.
  • it has the advantages of simple maintenance process, short cleaning cycle, It has the advantages of short operation time and guaranteed water supply.
  • the present invention separates the milk-of-lime pipeline system into two pipeline systems with the same function by providing a seventh ball valve, so that when one of the pipeline systems fails, the other pipeline system can be connected by opening the seventh ball valve.
  • the pipeline system is connected to improve the overall risk resistance of the lime milk pipeline system.
  • the other pipeline system can be operated by running the other pipeline system. system to ensure the stability of the overall water supply system and avoid water supply interruptions as much as possible.
  • the present invention provides a method for using a milk of lime pipeline system that can be cleaned online.
  • online cleaning of the milk of lime pipeline can be achieved without affecting the work of the first clarifier and the second clarifier.
  • the cleaning effect is ensured by adjusting the pH value, soaking in chemical solution and other methods to reduce the amount of lime milk adhering to the pipeline as much as possible.
  • Figure 1 is a schematic structural diagram of the present invention.
  • Embodiment 1 Please refer to Figure 1.
  • This embodiment provides a milk of lime pipeline system that can be cleaned online, including a first clarifier 1, a second clarifier 2, a first milk of lime discharge assembly 3 and a second milk of lime.
  • the discharge assembly 4, the first clarifier 1 and the second clarifier 2 are used to remove suspended solids and colloids from the incoming liquid.
  • the first lime milk discharge assembly 3 and the second lime milk discharge assembly 4 are used to Produce a milk of lime solution;
  • the first communication port of the first clarification tank 1 and the first communication port of the second clarification tank 2 are connected together by providing a first pipe 5;
  • the discharge end of the first milk of lime discharging assembly 3 is connected with the first pipe 5 by providing a second pipe 6 so that the milk of lime solution produced by the first milk of lime discharging assembly 3 can pass through the first pipe 5 and
  • the second pipeline 6 enters the first clarification tank 1 and the second clarification tank 2.
  • a first electronically controlled valve 7 and a first ball valve 8 are arranged on the pipeline of the second pipeline 6 in a direction away from the first lime milk discharging assembly 3. and the first stop valve 9;
  • the discharge end of the second milk of lime discharging assembly 4 is connected with the first pipe 5 by providing a third pipe 10 so that the milk of lime solution produced by the second milk of lime discharging assembly 4 can pass through the first pipe 5 and
  • the third pipeline 10 enters the first clarifier 1 and the second clarifier 2.
  • the third pipeline 10 is provided with a second electronically controlled valve 11 and a second ball valve 12 in sequence from the direction away from the second lime milk discharging assembly 4. and the second stop valve 13;
  • the milk of lime piping system also includes a dosing and cleaning box 14, in which an acidic liquid that can react with the milk of lime is added; the first communication port of the dosing and cleaning box 14 is provided with a first bifurcation.
  • the pipeline 15 is connected with the second pipeline 6 and the third pipeline 10 respectively, and the branch end of the first bifurcated pipeline 15 is connected with the second pipeline 6 and the third pipeline 10 so that the chemical liquid in the chemical dosing cleaning tank 14 can
  • the first bifurcated pipe 15 flows into the second pipe 6 and the third pipe 10, thereby cleaning the pipes flowing through it.
  • the branch end of the first bifurcated pipe 15 is connected to the second pipe 6 and the third pipe.
  • the positions on 10 are respectively between the first ball valve 8 and the first stop valve 9 and between the second ball valve 12 and the second stop valve 13, so that the first ball valve 8 and the first stop valve 9 can connect the chemical dosing cleaning box 14 and
  • the first pipeline 5 and the first milk of lime discharging assembly 3 are isolated, so that the second ball valve 12 and the second stop valve 13 can isolate the dosing cleaning box 14 from the first pipeline 5 and the first milk of lime discharging assembly 4 , to facilitate the subsequent cleaning work;
  • a third ball valve 16, a chemical pump 17, a third stop valve 18 and a fourth ball valve 19 are arranged in sequence on the confluence end of the first bifurcated pipe 15 from the direction away from the chemical dosing cleaning box 14;
  • the second communication port of the chemical dosing and cleaning box 14 is connected with the first pipe 5 by providing a second bifurcated pipe 20, so that the chemical dosing and cleaning box 14 is connected with the first pipe 5 through the second bifurcated pipe 20, so that During the subsequent cleaning work, one side of the branch end pipe of the second bifurcated pipe 20 is connected to the pipe on the side of the first pipe 5 close to the first clarifier 1, and the other side of the branch end pipe is connected to the first pipe. 5. On the pipeline close to the 2nd side of the second clarifier, so that all pipelines can be cleaned as much as possible during the subsequent cleaning of the pipelines. Both ends of the pipelines on both sides of the split end of the second bifurcated pipeline 20 are provided with There is a fifth ball valve 21. The arrangement of the fifth ball valve 21 can isolate the dosing cleaning box 14 from the first pipeline 5, and can also isolate the pipelines on both sides of the branch end of the second bifurcated pipeline 20 to facilitate subsequent cleaning work. progress;
  • the third communication port of the dosing and cleaning box 14 is connected to the external collection pool 22 through a pipeline connection to facilitate subsequent collection of waste liquid.
  • the third communication port of the dosing and cleaning box 14 is connected to the external collection pool 22.
  • the pipeline is provided with a sixth ball valve 23;
  • the first pipeline 5 is also provided with a fourth stop valve 24 , a fifth stop valve 25 and a seventh ball valve 26 .
  • the fourth stop valve 24 is located close to the first clarifier 1 , and the fourth stop valve 24 is located in the first pipeline 5 The position above is closer to the first clarification tank 1 than the connection position of the second branch pipe 20 and the first pipe 5 close to the first clarification tank 1 side, so that when the fourth stop valve 24 is closed, the The first communication port of the first clarifier 1 is isolated from the external pipeline to facilitate subsequent cleaning work.
  • the fifth stop valve 25 is disposed close to the second clarifier 2 , and the fifth stop valve 25 is provided on the first pipe 5 The position is closer to the second clarification tank 2 than the connection position of the second branch pipe 20 and the first pipe 5 close to the second clarification tank 2 side, so that when the fifth stop valve 25 is closed, the third The first communication port of the second clarifier 2 is isolated from the external pipeline to facilitate subsequent cleaning work.
  • the seventh ball valve 26 is located at the position where the second pipe 6 is connected to the first pipe 5 and the third pipe 10 is connected to the third pipe.
  • the lime milk pipeline system can be divided into two pipeline systems with the same function. Not only can one of the pipelines When the system fails, another set of pipeline system is connected by opening the seventh ball valve 26 to improve the overall risk resistance of the milk-of-lime pipeline system and facilitate subsequent cleaning work.
  • the third pipeline 10 is connected to the first pipeline 5 by providing a fourth bifurcated pipeline 32, so that the second electronically controlled valve 11 can isolate the second lime milk discharging assembly 4 from the external pipeline.
  • the converging end of the fourth bifurcated pipe 32 is connected to the pipeline between the second electronically controlled valve 11 and the second ball valve 12 on the third pipe 10, and the branching end of the fourth bifurcated pipe 32 is connected to On the pipeline between the fifth stop valve 25 and the seventh ball valve 26 on the first pipeline 5, tenth valves are arranged sequentially from the direction away from the third pipeline 10 on both sides of the branch end of the fourth bifurcated pipeline 32.
  • the first pipe 5 is also provided with a twelfth ball valve 37 and a thirteenth ball valve 38.
  • the twelfth ball valve 37 is provided on the first pipe 5 at the connection position between the second branch pipe 20 and the first pipe 5 and the third branch.
  • the twelfth ball valve 37 can isolate the first clarification tank 1 and the first lime milk discharging assembly 3 to increase the risk resistance of the overall system.
  • the discharge end of the first milk of lime discharging component 3 and the third bifurcated pipe 27 are also connected to the external tap water pump main pipe 45 through pipe connections to serve as the first milk of lime discharging component.
  • 3 generates lime milk solution to provide enough water and facilitate subsequent flushing operations;
  • an eighth stop valve 39 is provided on the pipeline connecting the discharge end of the first lime milk discharging component 3 and the external tap water pump main pipe 45, and the third
  • the first manual butterfly valve 40 and the first electric butterfly valve 41 are disposed in sequence on the pipeline connecting the bifurcated pipe 27 and the external tap water pump main pipe 45 from the direction close to the third bifurcated pipe 27 .
  • the discharge end of the second milk of lime discharging assembly 4 and the fourth bifurcated pipe 32 are also connected to the external tap water pump main pipe 45 through pipe connections, so that the second milk of lime discharging assembly 4
  • the lime milk solution is generated to provide enough water and facilitate subsequent flushing operations.
  • a ninth stop valve 42 is provided on the pipeline connecting the discharge end of the second lime milk discharging assembly 4 and the external tap water pump main pipe 45.
  • a second manual butterfly valve 43 and a second electric butterfly valve 44 are disposed in sequence on the pipeline connecting the fork pipe 32 and the external tap water pump main pipe 45 from the direction close to the fourth bifurcated pipe 32 .
  • a tenth stop valve 49 is provided on the pipeline connecting the fourth communication port of the first clarifier 1 to the external tap water pump main pipe 45, and the fourth communication port of the first clarifier 1 is connected to the external mud discharge
  • the pipeline connected to the pump 46 is provided with a fourteenth ball valve 50 and a third electronically controlled valve 51 in order from the direction away from the first clarifier 1.
  • the fourth communication port of the first clarifier 1 is connected to the external tap water pump main pipe 45.
  • the pipelines connected to the fourth communication port of the first clarifier 1 and the external sludge pump 46 are also connected together by setting a fourth pipe 52.
  • the fourth pipe 52 is provided for subsequent use of the first clarifier.
  • the fourth communication port of 1 When the fourth communication port of 1 is connected to the external mud pump 46 for cleaning, it can balance the water pressure and prevent pipeline rupture due to changes in water pressure in the pipeline caused by pipeline blockage.
  • the fourth pipeline 52 is provided with a third electric butterfly valve 53 and an eleventh stop valve 54.
  • the second communication port of the second clarification tank 2 is connected with the external dosing room 47 through a pipeline connection, so that the external dosing room 47 can add the required flocculant into the second clarification tank 2
  • the third communication port of the second clarifier 2 is connected with the external outlet channel 48 through a pipeline connection, so that the second clarifier 2 can discharge the treated water
  • the fourth communication port of the second clarifier 2 passes through
  • the pipelines are connected to the external running water pump main pipe 45 and the external sludge discharge pump 46 respectively, so that the second clarifier 2 can discharge sewage and the water flow from the external running water pump main pipe 45 can be connected to its fourth flow port.
  • the butterfly valve 44, the third electric control valve 51, the third electric butterfly valve 53, the fourth electric control valve 57 and the fourth electric butterfly valve 59 change their opening and closing states according to actual needs. If necessary, the first clarifier 1 and the second clarifier When the lime milk solution produced by the first milk of lime discharging assembly 3 and the second milk of lime discharging assembly 4 is added to the pool 2, the first electric control valve 7 and the second electric control valve 11 are opened to cooperate with the first feeding pump 29 and the second feeding pump 34 work to transport the milk of lime solution.
  • the third electronically controlled butterfly valve and the fourth electronically controlled butterfly valve Open, balance water pressure; first ball valve 8, first stop valve 9, second ball valve 12, second stop valve 13, third ball valve 16, third stop valve 18, fourth ball valve 19, fifth ball valve 21,
  • the sixth ball valve 23 and the seventh ball valve 26 are both in a normally closed state; at the same time, during operation, one of the two pipeline systems separated by the seventh ball valve 26 should be in operation, while the other pipeline system is not. Operates as a backup piping system.
  • the blockage form of the milk of lime pipeline system is determined based on the phenomenon of blockage; for ease of understanding, in this embodiment, it is assumed that the blocked pipeline system is the pipeline with the first clarifier 1
  • the system that is, the pipeline system with the first clarifier 1 is operated; the specific judgment method is: monitor the pH value of the incoming water in real time when the first clarifier 1 is operating. If the pH value is found to drop, check the first lime milk on site Whether the internal liquid level of the material component 3 has dropped; if the internal liquid level has dropped, it means that the running pipeline system is not blocked, and the user needs to check whether the first clarifier 1 is caused by an internal mechanical failure of the first clarifier 1.
  • the pH value drops; if the internal liquid level does not drop, it means that the running pipeline system is blocked. Then the seventh ball valve 26 is opened, and the two sets of pipeline systems separated by the seventh ball valve 26 are connected, and the operation with the second pipeline system is started at the same time. The pipeline system of the clarifier 2 is then put into dosing while monitoring the pH value of the first clarifier 1. If the change in pH value increases, it means that the second feeding pump 34 can produce the lime milk from the second lime milk discharge assembly 4. It is easy to transport the liquid in the first clarifier 1, and it can be determined that the blockage is in the pump port position of the first feed pump 29.
  • the chemical liquid in the chemical cleaning box 14 is pumped into the pipeline system with the first clarifier 1, and circulates in the pipeline system.
  • the added chemical liquid can react with the attached lime milk because it is acidic, so as to remove the attached liquid.
  • the milk of lime in the milk of lime pipeline system is removed, and the pH value of the medicinal liquid in the dosing cleaning box 14 is measured in real time. If the pH value of the medicinal liquid drops, the medicinal liquid is replenished to stabilize the medicinal liquid in the dosing cleaning tank 14 pH value, if the pH value of the medicinal solution is stable, stop the circulation of the medicinal solution and perform soaking.
  • the soaking time is 24 hours; the specific soaking time can be determined according to the actual length of the milk of lime pipeline; by Open the first electric butterfly valve 41, the second electric butterfly valve 44 and the sixth ball valve 23, and use the water from the external tap water pump main pipe 45 to flush the lime milk pipeline system.
  • the flushed liquid flows back into the dosing cleaning tank 14 and then flows out. Collect in the external collection tank 22; at this time, the adhesion amount of lime milk in the treated lime milk pipeline system will be greatly reduced;
  • the chemical pump 17 order the chemical pump 17 to drive the chemical liquid in the chemical dosing cleaning box 14 into the pipeline system, and circulate it in the pipeline system. Since the added chemical liquid is acidic, it can react with the attached lime milk to remove the attached lime milk. The milk of lime in the milk of lime pipeline system is removed, and the pH value of the medicinal liquid in the dosing cleaning box 14 is measured in real time. If the pH value of the medicinal liquid drops, the medicinal liquid is replenished to stabilize the medicinal liquid in the dosing cleaning tank 14 pH value, if the pH value of the medicinal solution is stable, stop the circulation of the medicinal solution and perform soaking. The soaking time is 24 hours.
  • the first electric butterfly valve 41, the second electric butterfly valve 44 and the sixth ball valve 23 are opened, with the help of external tap water.
  • the water from the pump main pipe 45 flushes the milk of lime pipeline system, and the flushed liquid flows back into the dosing cleaning tank 14 and then flows out to the external collection pool 22 for collection; at this time, the treated milk of lime pipeline system The amount of lime milk adhesion will be greatly reduced.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

La présente invention se rapporte au domaine technique du nettoyage de tuyauteries. L'invention concerne un système de tuyauterie d'hydroxyde de calcium à nettoyage sur place et son procédé d'utilisation. Le système de tuyauterie d'hydroxyde de calcium à nettoyage sur place comprend un premier réservoir de clarification, un second réservoir de clarification, un premier ensemble d'évacuation d'hydroxyde de calcium et un second ensemble d'évacuation d'hydroxyde de calcium, le premier réservoir de clarification étant en communication avec le second réservoir de clarification au moyen d'un premier tuyau ; le premier ensemble d'évacuation d'hydroxyde de calcium étant en communication avec le premier tuyau au moyen d'un deuxième tuyau ; et le second ensemble d'évacuation d'hydroxyde de calcium étant en communication avec le premier tuyau au moyen d'un troisième tuyau. Le système de tuyauterie comprend en outre un réservoir d'agent de nettoyage et d'alimentation, qui est en communication avec le deuxième tuyau et le troisième tuyau au moyen d'un premier tuyau bifurqué, et qui est en outre en communication avec le premier tuyau au moyen d'un second tuyau bifurqué. Selon la présente invention, le processus d'entretien du système de tuyauterie est simple, la période de nettoyage est courte, la mise en service est rapide et l'approvisionnement en eau est assuré.
PCT/CN2023/078161 2022-06-06 2023-02-24 Système de tuyauterie d'hydroxyde de calcium à nettoyage sur place et son procédé d'utilisation WO2023236590A1 (fr)

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JP2023531032A JP2024524789A (ja) 2022-06-06 2023-02-24 オンラインで洗浄できる石灰乳配管システム及びその使用方法

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CN202210628153.5 2022-06-06
CN202210628153.5A CN114956285B (zh) 2022-06-06 2022-06-06 一种能够在线清洗的石灰乳管道系统及其使用方法

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Publication number Priority date Publication date Assignee Title
CN114956285B (zh) * 2022-06-06 2023-06-09 华能(福建漳州)能源有限责任公司 一种能够在线清洗的石灰乳管道系统及其使用方法
CN115365238B (zh) * 2022-09-09 2023-10-27 无锡振云环保科技有限公司 一种石灰乳液投加管道清洗工艺

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