CN114956285B - Lime milk pipeline system capable of being cleaned on line and application method thereof - Google Patents
Lime milk pipeline system capable of being cleaned on line and application method thereof Download PDFInfo
- Publication number
- CN114956285B CN114956285B CN202210628153.5A CN202210628153A CN114956285B CN 114956285 B CN114956285 B CN 114956285B CN 202210628153 A CN202210628153 A CN 202210628153A CN 114956285 B CN114956285 B CN 114956285B
- Authority
- CN
- China
- Prior art keywords
- pipeline
- valve
- ball valve
- communicated
- lime milk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
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
Landscapes
- 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)
Abstract
The invention relates to the technical field of pipeline cleaning and discloses a lime milk pipeline system capable of being cleaned on line and a using method thereof, wherein the lime milk pipeline system comprises a first clarification tank, a second clarification tank, a first lime milk discharging component and a second lime milk discharging component, the first clarification tank is communicated with the second clarification tank through a first pipeline, the first lime milk discharging component is communicated with the first pipeline through a second pipeline, the second lime milk discharging component is communicated with the first pipeline through a third pipeline, the pipeline system further comprises a dosing cleaning box, the dosing cleaning box is respectively communicated with the second pipeline and the third pipeline through a first bifurcation pipeline, and the dosing cleaning box is communicated with the first pipeline through a second bifurcation pipeline; the invention has the characteristics of simple maintenance process, short cleaning period, short operation time and ensured water supply.
Description
Technical Field
The invention relates to the technical field of pipeline cleaning, in particular to a lime milk pipeline system capable of being cleaned on line and a using method thereof.
Background
At present, in a water deep treatment system in a thermal power plant, a clarification tank adopts a lime milk and polymeric ferric sulfate dosing mode to carry out clarification treatment. The conveying mode is as follows: conveying an aqueous solution containing lime milk into a clarifier through a pipeline; however, as the main component of the lime milk solution is calcium hydroxide, the calcium hydroxide has adhesiveness and is easy to adhere to the inside of a pipeline, the time is long, the thickness of the lime milk adhesion is increased, the drift diameter of the pipeline is easy to be reduced, the pipeline is blocked for a long time, so that equipment treatment is reduced, and the equipment cannot run in serious condition.
In the prior art, most of the methods for solving the problem of lime milk pipeline blockage are to cut pipelines, clear and dredge the pipelines section by section, weld the pipelines after dredging, and the lime milk pipelines are longer, so that the overhaul process is more troublesome, the clearing period is longer, the operation of equipment is affected, the influence on a water supply system is caused, meanwhile, a lime dosing system is generally used for a reclaimed water source and is added to a mechanical acceleration stirring clarification tank, if the lime system stops overhauling, the mechanical acceleration stirring clarification tank is longer in operation period again after overhauling, and the water supply amount is larger for a northern co-thermal power plant, so that the water supply is easy to be interrupted.
Disclosure of Invention
In view of the above, the invention provides a lime milk pipeline system capable of being cleaned on line and a using method thereof.
In order to solve the technical problems, the technical scheme of the invention is as follows: in a first aspect, the invention provides a lime milk pipeline system capable of being cleaned on line, which comprises a first clarification tank, a second clarification tank, a first lime milk discharging assembly and a second lime milk discharging assembly, wherein a first communication port of the first clarification tank is communicated with a first communication port of the second clarification tank through a first pipeline;
the discharge end of the first lime milk discharging component is communicated with the first pipeline through a second pipeline, and a first electric control valve, a first ball valve and a first stop valve are sequentially arranged on the pipeline of the second pipeline from the direction far away from the first lime milk discharging component;
the discharge end of the second lime milk discharging assembly is communicated with the first pipeline through a third pipeline, and a second electric control valve, a second ball valve and a second stop valve are sequentially arranged on the pipeline of the third pipeline from the direction far away from the second lime milk discharging assembly;
the pipeline system further comprises a dosing cleaning box, a first communication port of the dosing cleaning box is communicated with the second pipeline and the third pipeline respectively through a first branch pipeline, a branch end of the first branch pipeline is communicated with the second pipeline and the third pipeline, and a third ball valve, a drug pump, a third stop valve and a fourth ball valve are sequentially arranged on a pipeline at a converging end of the first branch pipeline from the direction far away from the dosing cleaning box;
The second communication port of the dosing cleaning box is communicated with the first pipeline through a second branch pipeline, one side of the second branch pipeline is connected with the pipeline, close to the first clarification tank, of the first pipeline, the other side of the second branch pipeline is connected with the pipeline, close to the second clarification tank, of the first pipeline, and the two ends of the two side pipelines of the branch end of the second branch pipeline are respectively provided with a fifth ball valve;
the third communication port of the dosing cleaning box is communicated with the external collecting tank through a pipeline connection mode, and a sixth ball valve is arranged on a pipeline, communicated with the external collecting tank, of the third communication port of the dosing cleaning box;
the first pipeline is further provided with a fourth stop valve, a fifth stop valve and a seventh ball valve, the fourth stop valve is close to the first clarification tank, the fourth stop valve is arranged on the first pipeline and is close to the first clarification tank compared with the connection position of the second branch pipeline and the pipeline of the first pipeline close to the first clarification tank, the fifth stop valve is close to the second clarification tank, the fifth stop valve is arranged on the first pipeline and is close to the second clarification tank compared with the connection position of the second branch pipeline and the pipeline of the first pipeline close to the second clarification tank, and the seventh ball valve is arranged on the pipeline of the first pipeline between the position of the second pipeline connected to the first pipeline and the position of the third pipeline connected to the first pipeline.
Further, the second pipeline is connected with the first pipeline through the third branch pipeline, the converging end of the third branch pipeline is connected to a pipeline between the first electric control valve and the first ball valve on the second pipeline, the diverging end of the third branch pipeline is connected to a pipeline between the fourth stop valve and the seventh ball valve on the first pipeline, and the pipelines on two sides of the diverging end of the third branch pipeline are respectively provided with an eighth ball valve, a first material conveying pump, a sixth stop valve and a ninth ball valve which are sequentially arranged in a direction away from the second pipeline.
Further, the third pipeline is connected with the first pipeline through a fourth bifurcation pipeline, the confluence end of the fourth bifurcation pipeline is connected to a pipeline between the second electric control valve and the second ball valve on the third pipeline, the diversion end of the fourth bifurcation pipeline is connected to a pipeline between the fifth stop valve and the seventh ball valve on the first pipeline, and the pipelines on two sides of the diversion end of the fourth bifurcation pipeline are respectively provided with a tenth ball valve, a second material conveying pump, a seventh stop valve and an eleventh ball valve which are sequentially arranged in a direction away from the third pipeline.
Further, a twelfth ball valve is further arranged on the first pipeline, and the twelfth ball valve is arranged on a pipeline between the connection position of the second branch pipeline and the first pipeline and the connection position of the third branch pipeline and the first pipeline on the first pipeline.
Further, a thirteenth ball valve is further arranged on the first pipeline, and the thirteenth ball valve is arranged on a pipeline between the connection position of the second branch pipeline and the first pipeline and the connection position of the fourth branch pipeline and the first pipeline on the first pipeline.
Further, the discharge end of the first lime milk discharging component is communicated with the external tap water pump main pipe through a pipeline connection mode, an eighth stop valve is arranged on a pipeline communicated with the external tap water pump main pipe, and a first manual butterfly valve and a first electric butterfly valve are sequentially arranged on the pipeline communicated with the external tap water pump main pipe and close to the direction of the third bifurcation pipeline.
Further, the discharge end of the second lime milk discharging assembly is communicated with an external tap water pump main pipe together in a pipeline connection mode, a ninth stop valve is arranged on a pipeline communicated with the external tap water pump main pipe, and a second manual butterfly valve and a second electric butterfly valve are sequentially arranged on a pipeline communicated with the external tap water pump main pipe and close to the direction of the fourth forked pipeline.
Further, the second communication port of the first clarification tank is communicated with the external dosing chamber through a pipeline connection mode, the third communication port of the first clarification tank is communicated with the external water outlet channel through a pipeline connection mode, the fourth communication port of the first clarification tank is communicated with the external tap water pump main pipe and the external mud pump through a pipeline connection mode respectively, a tenth stop valve is arranged on a pipeline communicated with the external tap water pump main pipe, a fourteenth ball valve and a third electric control valve are sequentially arranged on a pipeline communicated with the external mud pump from the direction far away from the first clarification tank, and a fourth communication port of the first clarification tank is communicated with the pipeline communicated with the external tap water pump main pipe through a fourth pipeline.
Further, the second communication port of the second clarification tank is communicated with the external dosing chamber through a pipeline connection mode, the third communication port of the second clarification tank is communicated with the external water outlet channel through a pipeline connection mode, the fourth communication port of the second clarification tank is respectively communicated with the external tap water pump main pipe and the external mud pump through a pipeline connection mode, a twelfth stop valve is arranged on a pipeline communicated with the external tap water pump main pipe, a fifteenth ball valve and a fourth electric control valve are sequentially arranged on a pipeline communicated with the external mud pump from the direction far away from the second clarification tank, a fifth pipeline is further communicated with a pipeline communicated with the external tap water pump main pipe, and a fourth electric butterfly valve and a thirteenth stop valve are arranged on the fifth pipeline.
In a second aspect, the invention provides a method for using a lime milk pipeline system capable of being cleaned on line, comprising the following steps:
when the lime milk pipeline system operates, all valves except the first electric control valve, the second electric control valve, the first electric butterfly valve, the second electric butterfly valve, the third electric butterfly valve, the fourth electric butterfly valve, 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 seventh ball valve are in a normally open state, and the first electric control valve, the second electric butterfly valve, the first electric butterfly valve, the second electric butterfly valve, the third electric butterfly valve, the fourth electric butterfly valve and the fourth electric butterfly valve are in an open state according to actual demands;
when the lime milk pipeline system is blocked, judging the blocking form of the lime milk pipeline system according to the phenomenon of blocking;
If the blockage is in the form of pipeline lime milk blockage, closing a first electric control valve, a second electric control valve, a fourth stop valve, a fifth stop valve, a first electric butterfly valve, a second electric butterfly valve, a ninth ball valve and an eleventh ball valve, opening the first stop valve, the second stop valve, a third ball valve, a third stop valve, a fourth ball valve and a fifth ball valve, controlling a pharmaceutical pump to start working, driving liquid medicine in a dosing washing tank into a lime milk pipeline system by the pharmaceutical pump, circulating in the lime milk pipeline system, measuring the pH value of the liquid medicine in the dosing washing tank, supplementing the liquid medicine if the pH value of the liquid medicine is reduced, stopping the liquid medicine circulation if the pH value of the liquid medicine is stable, soaking, flushing the lime milk pipeline system by means of external tap water pump mother pipe water through opening the first electric butterfly valve, the second electric butterfly valve and the sixth ball valve after soaking for a certain time, and discharging the flushed liquid into an external collecting tank;
if the blocking mode is that the positions of pump openings of the first material conveying pump and the second material conveying pump are blocked, 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 are closed, the first ball valve, the second ball valve, the third stop valve, the fourth ball valve and the fifth ball valve are opened, the control pharmaceutical pump starts to work, the medicine pump pumps the medicine liquid in the medicine adding cleaning box into the lime milk pipeline system and circulates in the lime milk pipeline system, meanwhile, the pH value of the medicine liquid in the medicine adding cleaning box is measured, if the pH value of the medicine liquid is reduced, the medicine liquid is supplemented, if the pH value of the medicine liquid is stable, the medicine liquid circulation is stopped, the medicine liquid is soaked, after a certain period of time is soaked, the medicine liquid in the lime milk pipeline system is washed by opening the first electric butterfly valve, the second electric butterfly valve and the sixth ball valve, and the main pipe of an external tap water pump, and the washed liquid flows out into an external collecting tank.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the dosing washing tank is additionally arranged, and the matched pipeline and the valve are arranged, so that when the lime milk pipeline is blocked, the pipeline can be washed without cutting the pipeline, and the lime milk pipeline can be washed on line only by controlling the opening and closing of the corresponding valve and then injecting the liquid medicine in the dosing washing tank into the lime milk pipeline through the dosing pump.
2. According to the invention, the seventh ball valve is arranged to divide the lime milk pipeline system into two pipeline systems with the same functions, so that the seventh ball valve can be opened to connect one pipeline system to improve the overall risk resistance of the lime milk pipeline system when one pipeline system fails, and in the subsequent cleaning work, when one pipeline system stops cleaning work, the other pipeline system can be operated to ensure the stability of the overall water supply system, so that the condition of water supply interruption is avoided as much as possible.
3. The invention provides the use method of the lime milk pipeline system capable of being cleaned on line, the lime milk pipeline can be cleaned on line by using the method, the work of the first clarifying tank and the second clarifying tank is not influenced, and the cleaning effect is ensured by adjusting the pH value, soaking in liquid medicine and other methods, so that the attachment amount of lime milk in the pipeline is reduced as much as possible.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments 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 that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Reference numerals: 1. a first clarifier; 2. a second clarifier; 3. a first lime milk discharge assembly; 4. a second lime milk discharge assembly; 5. a first pipe; 6. a second pipe; 7. a first electrically controlled valve; 8. a first ball valve; 9. a first stop valve; 10. a third conduit; 11. a second electrically controlled valve; 12. a second ball valve; 13. a second shut-off valve; 14. a dosing cleaning box; 15. a first bifurcated conduit; 16. a third ball valve; 17. a drug pump; 18. a third stop valve; 19. a fourth ball valve; 20. a second bifurcated conduit; 21. a fifth ball valve; 22. an external collection tank; 23. a sixth ball valve; 24. a fourth shut-off valve; 25. a fifth shut-off valve; 26. a seventh ball valve; 27. a third bifurcated conduit; 28. an eighth ball valve; 29. a first feed pump; 30. a sixth shut-off valve; 31. a ninth ball valve; 32. a fourth bifurcated conduit; 33. a tenth ball valve; 34. a second feed pump; 35. a seventh stop valve; 36. an eleventh ball valve; 37. a twelfth ball valve; 38. a thirteenth ball valve; 39. an eighth shutoff valve; 40. a first manual butterfly valve; 41. a first electric butterfly valve; 42. a ninth shut-off valve; 43. a second manual butterfly valve; 44. a second electric butterfly valve; 45. an external tap water pump main pipe; 46. an external sludge pump; 47. an external dosing chamber; 48. an external water outlet channel; 49. a tenth shut-off valve; 50. a fourteenth ball valve; 51. a third electrically controlled valve; 52. a fourth conduit; 53. a third electric butterfly valve; 54. an eleventh stop valve; 55. a twelfth stop valve; 56. a fifteenth ball valve; 57. a fourth electrically controlled valve; 58. a fifth pipe; 59. a fourth electric butterfly valve; 60. thirteenth shut-off valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1: referring to fig. 1, the present embodiment provides a lime milk pipeline system capable of being cleaned online, which includes a first clarifier 1, a second clarifier 2, a first lime milk discharging component 3 and a second lime milk discharging component 4, wherein the first clarifier 1 and the second clarifier 2 are used for removing suspended matters and colloid from an entering liquid, and the first lime milk discharging component 3 and the second lime milk discharging component 4 are used for generating lime milk solution;
the first communication port of the first clarifier 1 is communicated with the first communication port of the second clarifier 2 through a first pipeline 5;
the discharging end of the first lime milk discharging component 3 is communicated with the first pipeline 5 through a second pipeline 6, so that lime milk solution generated by the first lime milk discharging component 3 can enter the first clarification tank 1 and the second clarification tank 2 through the first pipeline 5 and the second pipeline 6, and a first electric control valve 7, a first ball valve 8 and a first stop valve 9 are sequentially arranged on the pipeline of the second pipeline 6 from the direction far away from the first lime milk discharging component 3;
The discharge end of the second lime milk discharging assembly 4 is communicated with the first pipeline 5 through a third pipeline 10, so that lime milk solution generated by the second lime milk discharging assembly 4 can enter the first clarification tank 1 and the second clarification tank 2 through the first pipeline 5 and the third pipeline 10, and a second electric control valve 11, a second ball valve 12 and a second stop valve 13 are sequentially arranged on the pipeline of the third pipeline 10 from the direction far away from the second lime milk discharging assembly 4;
the lime milk pipeline system also comprises a dosing washing tank 14, wherein acidic liquid medicine which can react with lime milk is added into the dosing washing tank 14; the first communication port of the dosing and cleaning tank 14 is respectively communicated with the second pipeline 6 and the third pipeline 10 by arranging a first branch pipeline 15, the branch end of the first branch pipeline 15 is communicated with the second pipeline 6 and the third pipeline 10, so that the liquid medicine in the dosing and cleaning tank 14 can flow into the second pipeline 6 and the third pipeline 10 through the first branch pipeline 15, thereby cleaning the pipeline flowing through, and meanwhile, the branch end of the first branch pipeline 15 is connected between the first ball valve 8, the first stop valve 9 and between the second ball valve 12 and the second stop valve 13 at the positions on the second pipeline 6 and the third pipeline 10 respectively, so that the first ball valve 8 and the first stop valve 9 can isolate the dosing and cleaning tank 14 from the first pipeline 5 and the first lime milk discharging assembly 3, and the second ball valve 12 and the second stop valve 13 can isolate the dosing and cleaning tank 14 from the first pipeline 5 and the first lime milk discharging assembly 4, so that the subsequent cleaning work can be carried out; a third ball valve 16, a medicine pump 17, a third stop valve 18 and a fourth ball valve 19 are sequentially arranged on a pipeline at the converging end of the first bifurcation pipeline 15 from the direction away from the medicine adding cleaning box 14;
The second communication port of the dosing and cleaning tank 14 is communicated with the first pipeline 5 through the second branch pipeline 20, so that the dosing and cleaning tank 14 is communicated with the first pipeline 5 through the second branch pipeline 20, the follow-up cleaning operation is convenient, one side branch end pipeline of the second branch pipeline 20 is connected to the pipeline of the first pipeline 5, which is close to the first clarification tank 1 side, the other side branch end pipeline is connected to the pipeline of the first pipeline 5, which is close to the second clarification tank 2 side, so that all pipelines can be cleaned as much as possible in the follow-up cleaning process, the two ends of the two side pipelines of the branch end of the second branch pipeline 20 are respectively provided with a fifth ball valve 21, and the arrangement of the fifth ball valve 21 can isolate the dosing and cleaning tank 14 from the first pipeline 5, and also can isolate the two side pipelines of the branch end of the second branch pipeline 20, so that the follow-up cleaning operation is convenient;
the third communication port of the dosing and cleaning tank 14 is communicated with the external collecting tank 22 through a pipeline connection mode so as to facilitate the subsequent collection of waste liquid, and a sixth ball valve 23 is arranged on a pipeline for communicating the third communication port of the dosing and cleaning tank 14 with the external collecting tank 22;
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 arranged close to the first clarifier 1, the position of the fourth stop valve 24 on the first pipeline 5 is closer to the first clarifier 1 than the connection position of the second branch pipeline 20 and the pipeline of the first pipeline 5 close to the first clarifier 1 side, so that the fourth stop valve 24 can isolate the first communication port of the first clarifier 1 from an external pipeline when being closed so as to facilitate the subsequent cleaning operation, the fifth stop valve 25 is arranged close to the second clarifier 2, the position of the fifth stop valve 25 on the first pipeline 5 is closer to the second clarifier 2 than the connection position of the second branch pipeline 20 and the pipeline of the first pipeline 5 close to the second clarifier 2 side, so that when the fifth stop valve 25 is closed, the first communication port of the second clarification tank 2 can be isolated from an external pipeline, so that the subsequent cleaning operation can be performed, the seventh ball valve 26 is arranged on the pipeline of the first pipeline 5 between the position where the second pipeline 6 is connected to the first pipeline 5 and the position where the third pipeline 10 is connected to the first pipeline 5, so as to play a role in separation, and the lime milk pipeline system can be separated into two pipeline systems with the same function, so that when one pipeline system fails, the other pipeline system can be connected by opening the seventh ball valve 26, so that the overall risk resistance of the lime milk pipeline system is improved, and the subsequent cleaning operation can be performed conveniently.
In this embodiment, the second pipeline 6 is connected to the first pipeline 5 by setting a third bifurcation pipeline 27, the converging end of the third bifurcation pipeline 27 is connected to the pipeline between the first electric control valve 7 and the first ball valve 8 on the second pipeline 6, so that the first electric control valve 7 can isolate the first lime milk discharging component 3 from the external pipeline for the subsequent cleaning operation, the diverging end of the third bifurcation pipeline 27 is connected to the pipeline between the fourth stop valve 24 and the seventh ball valve 26 on the first pipeline 5, and the two side pipelines of the diverging end of the third bifurcation pipeline 27 are respectively provided with an eighth ball valve 28, a first material conveying pump 29, a sixth stop valve 30 and a ninth ball valve 31 which are sequentially arranged from the direction far away from the second pipeline 6; through the arrangement, the lime milk solution generated by the first lime milk discharging assembly 3 can be ensured to enter the first clarifying tank 1 and the second clarifying tank 2 more quickly.
In this embodiment, the third pipeline 10 is connected to the first pipeline 5 by setting the fourth bifurcation pipeline 32, so that the second electric control valve 11 can isolate the second lime milk discharging component 4 from the external pipeline, so as to facilitate the subsequent cleaning, the converging end of the fourth bifurcation pipeline 32 is connected to the pipeline between the second electric control valve 11 and the second ball valve 12 on the third pipeline 10, the diverging end of the fourth bifurcation pipeline 32 is connected to the pipeline between the fifth stop valve 25 and the seventh ball valve 26 on the first pipeline 5, and the tenth ball valve 33, the second delivery pump 34, the seventh stop valve 35 and the eleventh ball valve 36 which are sequentially set from the direction far away from the third pipeline 10 are respectively arranged on two side pipelines of the diverging end of the fourth bifurcation pipeline 32; through the arrangement, the lime milk solution generated by the second lime milk discharging assembly 4 can be ensured to enter the first clarifying tank 1 and the second clarifying tank 2 more quickly.
The first pipeline 5 is further provided with a twelfth ball valve 37 and a thirteenth ball valve 38, the twelfth ball valve 37 is arranged on a pipeline between the connection position of the second bifurcation pipeline 20 and the first pipeline 5 and the connection position of the third bifurcation pipeline 27 and the first pipeline 5 on the first pipeline 5, so that the twelfth ball valve 37 can isolate the first clarification tank 1 from the first lime milk discharging assembly 3 to increase the risk resistance of the whole system, and the thirteenth ball valve 38 is arranged on a pipeline between the connection position of the second bifurcation pipeline 20 and the first pipeline 5 and the connection position of the fourth bifurcation pipeline 32 and the first pipeline 5 on the first pipeline 5, so that the thirteenth ball valve 38 can isolate the second clarification tank 2 from the second lime milk discharging assembly 4 to increase the risk resistance of the whole system.
In this embodiment, the discharge end of the first lime milk discharging assembly 3 and the third bifurcation pipe 27 are further connected to the external tap water pump main pipe 45 by a pipe connection manner, so as to provide enough water for the lime milk solution generated by the first lime milk discharging assembly 3 and facilitate the subsequent flushing operation; an eighth stop valve 39 is arranged on a pipeline, which is communicated with the external tap water pump main pipe 45, of the discharge end of the first lime milk discharge assembly 3, and a first manual butterfly valve 40 and a first electric butterfly valve 41 are sequentially arranged on a pipeline, which is communicated with the external tap water pump main pipe 45, of the third bifurcation pipeline 27 in a direction close to the third bifurcation pipeline 27.
In this embodiment, the discharge end of the second lime milk discharging component 4 and the fourth bifurcation pipe 32 are further connected to the external tap water pump main pipe 45 through a pipe connection manner, so as to provide enough water for the lime milk solution produced by the second lime milk discharging component 4 and facilitate the subsequent flushing operation, a ninth stop valve 42 is disposed on a pipe connected between the discharge end of the second lime milk discharging component 4 and the external tap water pump main pipe 45, and a second manual butterfly valve 43 and a second electric butterfly valve 44 are sequentially disposed on a pipe connected between the fourth bifurcation pipe 32 and the external tap water pump main pipe 45 in a direction close to the fourth bifurcation pipe 32.
In this embodiment, the second communication port of the first clarifier 1 is connected to the external dosing chamber 47 through a pipe, so that the external dosing chamber 47 can add a required flocculant into the first clarifier 1, the third communication port of the first clarifier 1 is connected to the external water outlet channel 48 through a pipe, so that the treated water is discharged from the first clarifier 1, and the fourth communication port of the first clarifier 1 is connected to the external tap water pump main pipe 45 and the external mud pump 46 through a pipe, so that the first clarifier 1 can perform sewage discharge and the pipeline connected to the fourth flow port of the first clarifier is cleaned through water flow from the external tap water pump main pipe 45; a tenth stop valve 49 is arranged on a pipeline which is communicated with the main pipe 45 of the external tap water pump, a fourteenth ball valve 50 and a third electric control valve 51 are sequentially arranged on a pipeline which is communicated with the main pipe 45 of the external tap water pump from the direction far away from the first clarifier 1, the pipeline which is communicated with the main pipe 45 of the external tap water pump, the fourth pipeline 52 is communicated with the pipeline which is communicated with the main pipe 46 of the external tap water pump, the fourth pipeline 52 is used for playing a role of balancing water pressure when the pipeline which is communicated with the main pipe 46 of the external tap water pump is cleaned, the pipeline which is caused by the water pressure change in the pipeline is prevented from being broken, and the like, and a third electric butterfly valve 53 and an eleventh stop valve 54 are arranged on the fourth pipeline 52.
In this embodiment, the second communication port of the second clarifier 2 is connected to the external dosing chamber 47 through a pipe, so that the external dosing chamber 47 can add a required flocculant into the second clarifier 2, the third communication port of the second clarifier 2 is connected to the external water outlet channel 48 through a pipe, so that the treated water is discharged from the second clarifier 2, and the fourth communication port of the second clarifier 2 is connected to the external tap water pump main pipe 45 and the external mud pump 46 through a pipe, so that the second clarifier 2 can perform sewage discharge and the pipeline connected to the fourth flow port of the second clarifier is cleaned through water flow from the external tap water pump main pipe 45; a twelfth stop valve 55 is arranged on a pipeline which is communicated with the external tap water pump main pipe 45 through a fourth communication port of the second clarification tank 2, a fifteenth ball valve 56 and a fourth electric control valve 57 are sequentially arranged on a pipeline which is communicated with the external sludge pump 46 through the fourth communication port of the second clarification tank 2 from the direction far away from the second clarification tank 2, the pipeline which is communicated with the external tap water pump main pipe 45 through the fourth communication port of the second clarification tank 2 and the pipeline which is communicated with the external sludge pump 46 are communicated together through a fifth pipeline 58, the fifth pipeline 58 is used for playing a role of balancing water pressure when the pipeline which is communicated with the external sludge pump 46 through the fourth communication port of the second clarification tank 2 is cleaned, the pipeline which is caused by pipeline blockage is prevented from being broken, and the like, and the fifth pipeline 58 is provided with a fourth electric butterfly valve 59 and a thirteenth stop valve 60.
Example 2; referring to fig. 1, the application method of the lime milk pipeline system capable of being cleaned online is provided on the basis of embodiment 1, and includes the following steps:
in the lime milk piping system of embodiment 1, when the operation is performed, all valves except the first electric control valve 7, the second electric control valve 11, the first electric butterfly valve 41, the second electric butterfly valve 44, the third electric control valve 51, the third electric butterfly valve 53, the fourth electric butterfly valve 57, the fourth electric butterfly valve 59, the first ball valve 8, the first cut-off valve 9, the second ball valve 12, the second cut-off valve 13, the third ball valve 16, the third cut-off valve 18, the fourth ball valve 19, the fifth ball valve 21, the sixth ball valve 23 and the seventh ball valve 26 are in the normally open state, the first electric control valve 7, the second electric control valve 11, the first electric butterfly valve 41, the second electric 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 are subjected to the change of the open-close state according to the actual requirement, when the lime milk solution generated by the first lime milk discharging assembly 3 and the second lime milk discharging assembly 4 is required to be added into the first clarification tank 1 and the second clarification tank 2, the first electric control valve 7 and the second electric control valve 11 are opened, the first material conveying pump 29 and the second material conveying pump 34 are matched to work for conveying the lime milk solution, when the water content of the lime milk solution generated by the first lime milk discharging assembly 3 and the second lime milk discharging assembly 4 is insufficient, the first electric butterfly valve 41 and the second electric butterfly valve 44 are opened, the external tap water pump main pipe 45 is matched to supplement water for the lime milk solution, when the first clarification tank 1 and the second clarification tank 2 are required to be drained, the third electric control valve 51 and the fourth electric control valve 57 are opened, when the sewage is matched, and when a sewage pipeline connected to the fourth communication port of the first clarification tank 1 and the second clarification tank 2 is required to be cleaned, the third electric butterfly valve and the fourth electric butterfly valve are opened, and the water pressure is balanced; the first ball valve 8, the first stop valve 9, the second ball valve 12, the second stop valve 13, the third ball valve 16, the third stop valve 18, the fourth ball valve 19, the fifth ball valve 21, the sixth ball valve 23 and the seventh ball valve 26 are all in a normally closed state; meanwhile, during operation, one of the two pipe systems partitioned by the seventh ball valve 26 should be operated, and the other pipe system should not be operated as a spare pipe system.
When the lime milk pipeline system is blocked, judging the blocking form of the lime milk pipeline system according to the phenomenon of blocking; for ease of understanding, in this embodiment, it is assumed that the pipe system in which clogging occurs is a pipe system with the first clarifier 1, i.e., a pipe system with the first clarifier 1 is operated; the specific judgment mode is as follows: monitoring the pH value of the inlet water in real time when the first clarification tank 1 is operated, and if the pH value is found to be reduced, checking whether the liquid level in the first lime milk discharging assembly 3 is reduced or not on site; if the internal liquid level is reduced, the running pipeline system is not blocked, and a user needs to check whether the pH value of the first clarification tank 1 is reduced due to the conditions of internal mechanical failure and the like of the first clarification tank 1; if the internal liquid level does not drop, the running pipeline system is indicated to be blocked, then a seventh ball valve 26 is started, the two pipeline systems separated by the seventh ball valve 26 are communicated, meanwhile, the pipeline system with the second clarification tank 2 is started to run, then dosing is carried out, meanwhile, the pH value of the first clarification tank 1 is monitored, if the pH value change is increased, the second material conveying pump 34 is indicated to be capable of conveying lime milk generated by the second lime milk discharging assembly 4 into the first clarification tank 1 easily, namely, the position of a pump opening of the first material conveying pump 29 is indicated to be blocked, if the pH value of the first clarification tank 1 is still unchanged, meanwhile, the pressure in the second material conveying pump 34 is gradually increased, and the material level in the second lime milk discharging assembly 4 is not dropped, the blocking mode can be determined to be that the pipeline in the pipeline system with the first clarification tank 1 is blocked by lime milk;
If the blockage is in the form of blockage of pipeline lime milk, the first electric control valve 7, the fourth stop valve 24, the first electric butterfly valve 41 and the ninth ball valve 31 are closed, a pipeline in a pipeline system with the first clarification tank 1 is isolated from the first clarification tank 1, the first lime milk discharging assembly 3, the first material conveying pump 29, the external tap water pump main pipe 45 and the external mud pump 46, then the first stop valve 9, the third ball valve 16, the third stop valve 18, the fourth ball valve 19 and the fifth ball valve 21 on a corresponding split-end pipeline in the second split-end pipeline 20 communicated with the first pipeline 5 are opened, the medicine pump 17 is controlled to start working, the medicine pump 17 is enabled to pump the medicine liquid in the medicine adding washing tank 14 into the pipeline system with the first clarification tank 1, the added medicine liquid can react with the attached lime milk in the pipeline system due to acidity, the attached lime milk in the lime milk pipeline system is removed, the pH value in the medicine adding washing tank 14 is measured in real time, if the pH value in the medicine adding tank 14 is lowered, the medicine liquid is soaked in a certain time, and if the pH value is stabilized, the soaking time is reached, and the soaking time is reached, and the pH value is stabilized, if the soaking time is reached, and the pH value is reached, the soaking time is stable; the specific soaking time can be determined according to the length of the actual lime milk pipeline; by opening the first electric butterfly valve 41, the second electric butterfly valve 44 and the sixth ball valve 23, the lime milk pipeline system is flushed by water from the external tap water pump main pipe 45, and the flushed liquid flows back into the dosing and cleaning tank 14 and flows out into the external collecting tank 22 for collection; at this time, the adhesion amount of lime milk in the treated lime milk pipeline system is greatly reduced;
If the blocking mode is that the position of the pump opening of the first material conveying pump 29 is blocked, the first electric control valve 7, the fourth stop valve 24, the first electric butterfly valve 41 and the ninth ball valve 31 are closed, the pipeline in the pipeline system with the first clarification tank 1 is isolated from the first clarification tank 1, the first lime milk discharging assembly 3, the first material conveying pump 29, the external tap water pump main pipe 45 and the external mud pump 46, then the first ball valve 8, the third ball valve 16, the third stop valve 18, the fourth ball valve 19 and the fifth ball valve 21 on the corresponding split-end pipeline in the second split pipeline 20 communicated with the first pipeline 5 are opened, the medicine pump 17 is controlled to start working, the medicine pump 17 pumps the medicine liquid in the medicine adding washing tank 14 into the pipeline system, the liquid medicine is circulated in the pipeline system, the added liquid medicine can react with the attached lime milk due to acidity, so that the lime milk attached to the lime milk pipeline system is removed, the pH value of the liquid medicine in the dosing and cleaning box 14 is measured in real time, if the pH value of the liquid medicine is reduced, the liquid medicine is fed into the dosing and cleaning box 14, the pH value of the liquid medicine in the dosing and cleaning box 14 is stabilized, if the pH value of the liquid medicine is stabilized, the liquid medicine circulation is stopped, the soaking is carried out for 24 hours, after the soaking is finished, the lime milk pipeline system is flushed by opening the first electric butterfly valve 41, the second electric butterfly valve 44 and the sixth ball valve 23 through water in the master pipe 45 of an external tap water pump, and the flushed liquid flows back into the dosing and cleaning box 14 and then flows out into the external collecting tank 22 for collecting; at this time, the adhesion amount of lime milk in the treated lime milk pipeline system is greatly reduced.
Meanwhile, in the process of cleaning the pipeline system with the first clarification tank 1, the second electric control valve 11, the fifth stop valve 25, the second electric butterfly valve 44 and the eleventh ball valve 36 can be opened, and the second clarification tank 2 and the second lime milk discharging assembly 4 are controlled to operate, namely, the pipeline system with the second clarification tank 2 is started, so that the pipeline system replaces the pipeline system with the first clarification tank 1 to treat water, the stability of the whole water supply system is ensured, and the condition of water supply interruption is avoided as much as possible.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
The foregoing is only exemplary of the invention, and many other embodiments of the invention are possible, and all modifications and variations of the invention are intended to fall within the scope of the invention as defined by the appended claims.
Claims (10)
1. Lime milk pipe-line system that can online cleaning, including first clarifier (1), second clarifier (2), first lime milk discharging component (3) and second lime milk discharging component (4), its characterized in that: the first communication port of the first clarifying tank (1) is communicated with the first communication port of the second clarifying tank (2) through a first pipeline (5);
the discharging end of the first lime milk discharging component (3) is communicated with the first pipeline (5) through a second pipeline (6), and a first electric control valve (7), a first ball valve (8) and a first stop valve (9) are sequentially arranged on the pipeline of the second pipeline (6) from the direction far away from the first lime milk discharging component (3);
the discharge end of the second lime milk discharging component (4) is communicated with the first pipeline (5) through a third pipeline (10), and a second electric control valve (11), a second ball valve (12) and a second stop valve (13) are sequentially arranged on the pipeline of the third pipeline (10) from the direction far away from the second lime milk discharging component (4);
The pipeline system further comprises a dosing cleaning box (14), a first communication port of the dosing cleaning box (14) is communicated with the second pipeline (6) and the third pipeline (10) through a first branch pipeline (15), a split end of the first branch pipeline (15) is communicated with the second pipeline (6) and the third pipeline (10), and a third ball valve (16), a drug pump (17), a third stop valve (18) and a fourth ball valve (19) are sequentially arranged on a pipeline at the converging end of the first branch pipeline (15) from the direction far away from the dosing cleaning box (14);
the second communication port of the dosing cleaning box (14) is communicated with the first pipeline (5) through a second bifurcation pipeline (20), one side of the second bifurcation pipeline (20) is connected to a pipeline, close to the first clarification tank (1), of the first pipeline (5), the other side of the second bifurcation pipeline is connected to a pipeline, close to the second clarification tank (2), of the first pipeline (5), and the two ends of the two side pipelines of the bifurcation end of the second bifurcation pipeline (20) are respectively provided with a fifth ball valve (21);
the third communication port of the dosing cleaning box (14) is communicated with the external collecting tank (22) through a pipeline connection mode, and a sixth ball valve (23) is arranged on a pipeline for communicating the third communication port of the dosing cleaning box (14) with the external collecting tank (22);
The first pipeline (5) is further provided with a fourth stop valve (24), a fifth stop valve (25) and a seventh ball valve (26), the fourth stop valve (24) is arranged close to the first clarification tank (1), the position of the fourth stop valve (24) on the first pipeline (5) is closer to the first clarification tank (1) than the connection position of the second bifurcation pipeline (20) and the pipeline of the first pipeline (5) close to the first clarification tank (1), the fifth stop valve (25) is arranged close to the second clarification tank (2), the position of the fifth stop valve (25) on the first pipeline (5) is closer to the second clarification tank (2) than the connection position of the second bifurcation pipeline (20) and the pipeline of the first pipeline (5) close to the second clarification tank (2), and the seventh ball valve (26) is arranged on the pipeline (5) between the position of the second pipeline (6) connected to the first pipeline (5) and the position of the third pipeline (10) connected to the first pipeline (5).
2. A lime milk pipe system capable of being cleaned on line as claimed in claim 1, wherein: the second pipeline (6) is connected with the first pipeline (5) through setting up third bifurcation pipeline (27), the confluence end of third bifurcation pipeline (27) is connected on the pipeline between first automatically controlled valve (7) and first ball valve (8) on second pipeline (6), the reposition of redundant personnel end of third bifurcation pipeline (27) is connected on the pipeline between fourth stop valve (24) and seventh ball valve (26) on first pipeline (5), all be equipped with on the both sides pipeline of the reposition of redundant personnel end of third bifurcation pipeline (27) from keeping away from eighth ball valve (28), first delivery pump (29), sixth stop valve (30) and ninth ball valve (31) that second pipeline (6) direction set gradually.
3. A milk of lime pipe system capable of on-line cleaning according to claim 2, characterized in that: the third pipeline (10) is connected with the first pipeline (5) through setting up fourth bifurcation pipeline (32), the confluence end of fourth bifurcation pipeline (32) is connected on the pipeline between second automatically controlled valve (11) and second ball valve (12) on third pipeline (10), the reposition of redundant personnel end of fourth bifurcation pipeline (32) is connected on the pipeline between fifth stop valve (25) and seventh ball valve (26) on first pipeline (5), all be equipped with tenth ball valve (33), second delivery pump (34), seventh stop valve (35) and eleventh ball valve (36) that set gradually from keeping away from third pipeline (10) direction on the both sides pipeline of reposition of redundant personnel end of fourth bifurcation pipeline (32).
4. A milk of lime pipe system capable of on-line cleaning according to claim 2, characterized in that: the first pipeline (5) is also provided with a twelfth ball valve (37), and the twelfth ball valve (37) is arranged on a pipeline between the connection position of the second forked pipeline (20) and the first pipeline (5) and the connection position of the third forked pipeline (27) and the first pipeline (5) on the first pipeline (5).
5. A milk of lime pipe system capable of on-line cleaning according to claim 3, wherein: the first pipeline (5) is also provided with a thirteenth ball valve (38), and the thirteenth ball valve (38) is arranged on a pipeline between the connection position of the second forked pipeline (20) and the first pipeline (5) and the connection position of the fourth forked pipeline (32) and the first pipeline (5) on the first pipeline (5).
6. A milk of lime pipe system capable of on-line cleaning according to claim 3, wherein: the discharge end of the first lime milk discharging component (3) is communicated with an external tap water pump main pipe (45) through a pipeline connection mode, an eighth stop valve (39) is arranged on a pipeline communicated with the external tap water pump main pipe (45) at the discharge end of the first lime milk discharging component (3), and a first manual butterfly valve (40) and a first electric butterfly valve (41) are sequentially arranged on a pipeline communicated with the external tap water pump main pipe (45) and close to the direction of the third bifurcation pipeline (27).
7. A milk of lime pipe system that can be cleaned on line as claimed in claim 6, wherein: the discharging end of the second lime milk discharging component (4) is communicated with an external tap water pump main pipe (45) through a pipeline connection mode, a ninth stop valve (42) is arranged on a pipeline communicated with the external tap water pump main pipe (45) at the discharging end of the second lime milk discharging component (4), and a second manual butterfly valve (43) and a second electric butterfly valve (44) are sequentially arranged on a pipeline communicated with the external tap water pump main pipe (45) from a direction close to the fourth forked pipeline (32).
8. A milk of lime pipe system capable of on-line cleaning as claimed in claim 7, wherein: the second communication port of the first clarification tank (1) is communicated with the external dosing chamber (47) through a pipeline connection mode, the third communication port of the first clarification tank (1) is communicated with the external water outlet channel (48) through a pipeline connection mode, the fourth communication port of the first clarification tank (1) is respectively communicated with the external tap water pump main pipe (45) and the external mud pump (46) through a pipeline connection mode, a tenth stop valve (49) is arranged on a pipeline communicated with the external tap water pump main pipe (45), the fourth communication port of the first clarification tank (1) is communicated with the external mud pump (46), a fourteenth ball valve (50) and a third electric control valve (51) are sequentially arranged on a pipeline communicated with the external mud pump (46) from a direction far away from the first clarification tank (1), and an electric stop valve (52) is further arranged between the pipeline communicated with the fourth communication port of the first clarification tank (1) and the external mud pump main pipe (46) through a fourth pipeline (52), and the electric stop valve (52) is further arranged on the fourth pipeline communicated with the fourth pipeline (52).
9. A milk of lime pipe system capable of on-line cleaning as claimed in claim 8, wherein: the second communication port of the second clarification tank (2) is communicated with the external dosing chamber (47) through a pipeline connection mode, the third communication port of the second clarification tank (2) is communicated with the external water outlet channel (48) through a pipeline connection mode, the fourth communication port of the second clarification tank (2) is respectively communicated with the external tap water pump main pipe (45) and the external mud pump (46) through a pipeline connection mode, a twelfth stop valve (55) is arranged on a pipeline communicated with the external tap water pump main pipe (45) through the fourth communication port of the second clarification tank (2), a fifteenth ball valve (56) and a fourth electric control valve (57) are sequentially arranged on a pipeline communicated with the external mud pump (46) from the direction far away from the second clarification tank (2), a fifth butterfly valve (58) is further arranged on a pipeline (58) communicated with the fifth electric control valve (58) through a pipeline communicated with the external mud pump (46) through the fourth communication port of the second clarification tank (2).
10. A method of using a lime milk pipeline system that is capable of on-line cleaning based on claim 9, comprising the steps of:
when the lime milk pipeline system operates, all valves except the first electric control valve (7), the second electric control valve (11), the first electric butterfly valve (41), the second electric butterfly valve (44), the third electric control valve (51), the third electric butterfly valve (53), the fourth electric butterfly valve (57), the fourth electric butterfly valve (59), the first ball valve (8), the first stop valve (9), the second ball valve (12), the second stop valve (13), the third ball valve (16), the third stop valve (18), the fourth ball valve (19), the fifth ball valve (21), the sixth ball valve (23) and the seventh ball valve (26) are in a normally open state, and the first electric butterfly valve (7), the second electric butterfly valve (11), the first electric butterfly valve (41), the second electric butterfly valve (44), the third electric butterfly valve (51), the third electric butterfly valve (53), the fourth electric butterfly valve (57) and the fourth electric butterfly valve (59) are in a normally closed state according to actual requirements, and the first ball valve (8), the first stop valve (9), the second ball valve (12), the second ball valve (13), the third stop valve (16), the third ball valve (19) and the seventh ball valve (26) are in a normally closed state;
When the lime milk pipeline system is blocked, judging the blocking form of the lime milk pipeline system according to the phenomenon of blocking;
if the blockage is in the form of pipeline lime milk blockage, closing a first electric control valve (7), a second electric control valve (11), a fourth stop valve (24), a fifth stop valve (25), a first electric butterfly valve (41), a second electric butterfly valve (44), a ninth ball valve (31) and an eleventh ball valve (36), opening the first stop valve (9), the second stop valve (13), a third ball valve (16), a third stop valve (18), a fourth ball valve (19) and a fifth ball valve (21), controlling a pharmaceutical pump (17) to start to work, pumping liquid medicine in a dosing flushing tank (14) into the lime milk pipeline system by the pharmaceutical pump (17), circulating the liquid medicine in the lime milk pipeline system, measuring the pH value of the liquid medicine in the dosing flushing tank (14), supplementing the liquid medicine if the pH value of the liquid medicine is reduced, stopping the circulation of the liquid medicine if the pH value of the liquid medicine is stable, soaking for a certain time, flushing the mother liquor by opening the first electric butterfly valve (41), the second electric butterfly valve (44) and the sixth ball valve (23), flushing the mother liquor from the outside by means of the external butterfly valve (45) to an external flushing tank (22);
If the blocking forms are that the positions of pump openings of a first material conveying pump (29) and a second material conveying pump (34) are blocked, the first electric control valve (7), the second electric control valve (11), the fourth stop valve (24), the fifth stop valve (25), the first electric butterfly valve (41) and the second electric butterfly valve (44) are closed, the first ball valve (8), the second ball valve (12), the third ball valve (16), the third stop valve (18), the fourth ball valve (19) and the fifth ball valve (21) are opened, the pharmaceutical pump (17) is controlled to start to work, the pharmaceutical pump (17) pumps the liquid medicine in the chemical adding cleaning tank (14) into the lime milk pipeline system, and circulates in the lime milk pipeline system, meanwhile, the pH value of the liquid medicine in the chemical adding cleaning tank (14) is measured, if the pH value of the liquid medicine is reduced, the liquid medicine is supplemented, if the pH value of the liquid medicine is stable, the liquid medicine circulation is stopped, soaking is carried out for a certain time, and after the first electric ball valve (41), the second electric ball valve (44) and the sixth ball valve (23) are opened, the liquid medicine is flushed out, and the liquid medicine flows out from the outside through the butterfly valve (45) to the mother liquor flushing system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210628153.5A CN114956285B (en) | 2022-06-06 | 2022-06-06 | Lime milk pipeline system capable of being cleaned on line and application method thereof |
| PCT/CN2023/078161 WO2023236590A1 (en) | 2022-06-06 | 2023-02-24 | Clean-in-place calcium hydroxide pipe system, and method for using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210628153.5A CN114956285B (en) | 2022-06-06 | 2022-06-06 | Lime milk pipeline system capable of being cleaned on line and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114956285A CN114956285A (en) | 2022-08-30 |
| CN114956285B true CN114956285B (en) | 2023-06-09 |
Family
ID=82959154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210628153.5A Active CN114956285B (en) | 2022-06-06 | 2022-06-06 | Lime milk pipeline system capable of being cleaned on line and application method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114956285B (en) |
| WO (1) | WO2023236590A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114956285B (en) * | 2022-06-06 | 2023-06-09 | 华能(福建漳州)能源有限责任公司 | Lime milk pipeline system capable of being cleaned on line and application method thereof |
| CN115365238B (en) * | 2022-09-09 | 2023-10-27 | 无锡振云环保科技有限公司 | Lime emulsion feeding pipeline cleaning process |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3109919U (en) * | 2005-01-20 | 2005-06-02 | 株式会社日研 | Water supply device provided with cleaning means inside the pipe |
| US9650293B2 (en) * | 2010-03-05 | 2017-05-16 | Rdp Technologies, Inc. | Process and apparatus for slaking lime and dissolving scale |
| CN111503521A (en) * | 2020-03-24 | 2020-08-07 | 大唐林州热电有限责任公司 | Lime milk conveying system with cleaning device and cleaning method thereof |
| CN212080876U (en) * | 2020-03-24 | 2020-12-04 | 大唐林州热电有限责任公司 | Lime milk conveying system with cleaning device |
| CN214151490U (en) * | 2021-01-06 | 2021-09-07 | 山东莱钢永锋钢铁有限公司 | Intelligent control system of sewage treatment station |
| KR102258357B1 (en) * | 2021-04-01 | 2021-05-28 | 창녕군시설관리공단 | Liquid slaked lime supply pump and pipe cleaning device for incineration facilities |
| CN113245315A (en) * | 2021-04-08 | 2021-08-13 | 沈阳铝镁设计研究院有限公司 | Lime milk pipeline cleaning device and cleaning method |
| CN216046909U (en) * | 2021-06-28 | 2022-03-15 | 青海鸿鑫矿业有限公司 | Lime milk adding device for preventing pipeline from being blocked |
| CN215946956U (en) * | 2021-08-13 | 2022-03-04 | 赤峰中色锌业有限公司 | Lime milk adding system for pretreatment process of zinc smelting reclaimed water |
| CN114956285B (en) * | 2022-06-06 | 2023-06-09 | 华能(福建漳州)能源有限责任公司 | Lime milk pipeline system capable of being cleaned on line and application method thereof |
-
2022
- 2022-06-06 CN CN202210628153.5A patent/CN114956285B/en active Active
-
2023
- 2023-02-24 WO PCT/CN2023/078161 patent/WO2023236590A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023236590A1 (en) | 2023-12-14 |
| CN114956285A (en) | 2022-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114956285B (en) | Lime milk pipeline system capable of being cleaned on line and application method thereof | |
| JP5425523B2 (en) | Centrifuge | |
| CN113041844A (en) | Reverse osmosis automatic cleaning device and method | |
| US11746031B2 (en) | Water purification system | |
| CN107376456B (en) | Automatic control method for sewage treatment cloth filter | |
| CN112506239A (en) | Intelligent intercepting well safety control logic | |
| CN105036416B (en) | A kind of lime node reflux heavy metal waste water treatment system | |
| CN207286832U (en) | A kind of bottled water water production system | |
| CN216472548U (en) | Desulfurization waste water gypsum sludge treatment system | |
| CN210369289U (en) | Circulation system for dredging tunnel | |
| CN103486021B (en) | A kind of sea water pump self lubricating system and self-lubricating method | |
| CN111362377A (en) | Novel water purification process disinfectant and medicament adding system | |
| CN220867180U (en) | Sodium hypochlorite adding control system | |
| CN220182935U (en) | Online dosing system of MBR membrane system | |
| CN110743238A (en) | Sewage online detection self-cleaning pretreatment system and method | |
| CN213623423U (en) | Full-automatic PAM dosing system | |
| RU2797589C1 (en) | Vacuum plant for the collection and pumping of ship sewage | |
| CN207769565U (en) | A kind of plate membrane cleaning device | |
| CN218212156U (en) | Sand basin extraction type discharging device of automatic water quality monitoring station | |
| CN208561836U (en) | A kind of MBR process control system | |
| CN218331506U (en) | Boiler water quality monitoring medicine system | |
| CN211898709U (en) | Pharmaceutical machine water supply system for sewage treatment plant | |
| CN220012299U (en) | Ultrafiltration water tank device and reverse osmosis flushing pipeline system | |
| CN108423752B (en) | Rotational flow pool | |
| CN212672433U (en) | Valve component for treating leakage waste liquid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |