CN114956285A - Lime milk pipeline system capable of being cleaned on line and use method thereof - Google Patents
Lime milk pipeline system capable of being cleaned on line and use method thereof Download PDFInfo
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- CN114956285A CN114956285A CN202210628153.5A CN202210628153A CN114956285A CN 114956285 A CN114956285 A CN 114956285A CN 202210628153 A CN202210628153 A CN 202210628153A CN 114956285 A CN114956285 A CN 114956285A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/005—Valves
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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 use 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 and the second clarification tank are communicated together through a first pipeline, the first lime milk discharging component is communicated together with the first pipeline through a second pipeline, the second lime milk discharging component is communicated together with the first pipeline through a third pipeline, the pipeline system further comprises a dosing cleaning box, the dosing cleaning box is respectively communicated together with the second pipeline and the third pipeline through a first branch pipeline, and the dosing cleaning box is also communicated together with the first pipeline through a second branch pipeline; the invention has the characteristics of simple maintenance process, short cleaning period, short commissioning time and water supply guarantee.
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 advanced treatment system in a thermal power plant, a clarification tank adopts a dosing mode of lime milk and polymeric ferric sulfate for clarification treatment. The conveying mode is as follows: conveying the water solution containing lime milk into a clarifying pool through a pipeline; however, 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 lime milk adhesion thickness is increased, the drift diameter of the pipeline is easy to decrease, the pipeline can be blocked for a long time, equipment treatment is reduced, and the lime milk cannot run seriously.
Among the prior art, the method of solving lime breast pipeline jam is mostly cutting the pipeline, the mediation is cleared up to the pipeline section by section, the mediation is welded with the pipeline again after the mediation finishes, and the lime breast pipeline is longer, lead to its maintenance process comparatively troublesome, and the clearance cycle is longer, influence the equipment operation, can cause the influence to water supply system, and simultaneously, lime medicine system generally is used for the recycled water source, add to mechanical stirring clarification tank with higher speed, if the lime system stops overhauing, after the maintenance, mechanical stirring clarification tank with higher speed is put into operation again the cycle longer, to the thermal power plant altogether in the north, the water supply is great, easily cause the water supply to break off.
Disclosure of Invention
In view of the above, the invention provides a lime milk pipeline system capable of being cleaned on line and a use 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 component and a second lime milk discharging component, 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 assembly 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 a pipeline of the second pipeline from the direction far away from the first lime milk discharging assembly;
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 a pipeline of the third pipeline from the direction far away from the second lime milk discharging assembly;
the pipeline system also comprises a dosing cleaning box, a first communication port of the dosing cleaning box is respectively communicated with a second pipeline and a third pipeline through a first branch pipeline, a flow dividing end of the first branch pipeline is communicated with the second pipeline and the third pipeline, and a third ball valve, a medicine pump, a third stop valve and a fourth ball valve are sequentially arranged on a pipeline at a confluence end of the first branch pipeline from the direction far away from the dosing cleaning box;
a second communication port of the dosing cleaning box is communicated with the first pipeline through a second branched pipeline, a branch end pipeline on one side of the second branched pipeline is connected to a pipeline of the first pipeline close to the first clarification tank side, a branch end pipeline on the other side of the second branched pipeline is connected to a pipeline of the first pipeline close to the second clarification tank side, and fifth ball valves are arranged at two end parts of pipelines on two sides of a branch end of the second branched pipeline;
a third communication port of the dosing cleaning box is communicated with the external collecting tank in a pipeline connection mode, and a sixth ball valve is arranged on a pipeline for communicating the third communication port of the dosing cleaning box with the external collecting tank;
still be equipped with the fourth stop valve on the first pipeline, fifth stop valve and seventh ball valve, first clarification tank setting is pressed close to the fourth stop valve, and the position that the fourth stop valve was located on the first pipeline is compared the second branch pipeline and is pressed close to the hookup location of the pipeline of first clarification tank side with first pipeline and more press close to first clarification tank, second clarification tank setting is pressed close to the fifth stop valve, and the position that the fifth stop valve was located on the first pipeline is compared the second branch pipeline and is pressed close to the hookup location of the pipeline of second clarification tank side with first pipeline and more press close to the second clarification tank, the seventh ball valve is located the second pipeline and is connect on the pipeline of first pipeline between the position on the first pipeline with the third pipeline.
Furthermore, the second pipeline is connected with the first pipeline through a third branched pipeline, the confluence end of the third branched pipeline is connected to a pipeline between the first electric control valve and the first ball valve on the second pipeline, the diversion end of the third branched 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 diversion end of the third branched 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 the direction away from the second pipeline.
Furthermore, the third pipeline is connected with the first pipeline through a fourth branched pipeline, the confluence end of the fourth branched 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 branched pipeline is connected to a pipeline between the fifth stop valve and the seventh ball valve on the first pipeline, and a tenth ball valve, a second material conveying pump, a seventh stop valve and an eleventh ball valve which are sequentially arranged in the direction away from the third pipeline are arranged on pipelines on two sides of the diversion end of the fourth branched pipeline.
Furthermore, a twelfth ball valve is further arranged on the first pipeline, and the twelfth ball valve is arranged on a pipeline between the connecting position of the second branched pipeline and the first pipeline and the connecting position of the third branched pipeline and the first pipeline on the first pipeline.
Furthermore, a thirteenth ball valve is further arranged on the first pipeline, and the thirteenth ball valve is arranged on a pipeline between the connecting position of the second branched pipeline and the first pipeline and the connecting position of the fourth branched pipeline and the first pipeline on the first pipeline.
Furthermore, the discharge end of the first lime milk discharging assembly and the third branch pipeline are communicated with an external tap water pump main pipe in a pipeline connection mode, an eighth stop valve is arranged on a pipeline through which the discharge end of the first lime milk discharging assembly and the external tap water pump main pipe are communicated, and a first manual butterfly valve and a first electric butterfly valve are sequentially arranged on a pipeline through which the third branch pipeline and the external tap water pump main pipe are communicated in a direction close to the third branch pipeline.
Furthermore, the discharge end of the second lime milk discharging assembly and the fourth branch pipeline are communicated with an external tap water pump main pipe in a pipeline connection mode, a ninth stop valve is arranged on a pipeline communicated with the external tap water pump main pipe at the discharge end of the second lime milk discharging assembly, and a second manual butterfly valve and a second electric butterfly valve are sequentially arranged on the pipeline communicated with the external tap water pump main pipe in a direction close to the fourth branch pipeline.
Furthermore, a second communication port of the first clarification tank is communicated with an external dosing room in a pipeline connection mode, a third communication port of the first clarification tank is communicated with an external water outlet channel in a pipeline connection mode, a fourth communication port of the first clarification tank is respectively communicated with an external tap water pump main pipe and an external sludge discharge pump in a pipeline connection mode, a tenth stop valve is arranged on a pipeline for communicating the fourth communication port of the first clarification tank with the external tap water pump main pipe, a fourteenth ball valve and a third electric control valve are sequentially arranged on a pipeline for communicating the fourth communication port of the first clarification tank with the external sludge discharge pump in a direction far away from the first clarification tank, a pipeline for communicating the fourth communication port of the first clarification tank with the external tap water pump main pipe is communicated with a pipeline for communicating the fourth communication port of the first clarification tank with the external sludge discharge pump through a fourth pipeline, and a third electric butterfly valve and an eleventh stop valve are arranged on the fourth pipeline.
Furthermore, a second communication port of the second clarification tank is communicated with an external dosing room in a pipeline connection mode, a third communication port of the second clarification tank is communicated with an external water outlet channel in a pipeline connection mode, a fourth communication port of the second clarification tank is respectively communicated with an external tap water pump main pipe and an external sludge discharge pump in a pipeline connection mode, a twelfth stop valve is arranged on a pipeline for communicating the fourth communication port of the second clarification tank with the external tap water pump main pipe, a fifteenth ball valve and a fourth electric control valve are sequentially arranged on a pipeline for communicating the fourth communication port of the second clarification tank with the external sludge discharge pump in a direction far away from the second clarification tank, a pipeline for communicating the fourth communication port of the second clarification tank with the external tap water pump main pipe is communicated with a pipeline for communicating the fourth communication port of the second clarification tank with the external sludge discharge pump through a fifth pipeline, 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 based on online cleaning, which comprises the following steps:
when the lime milk pipeline system operates, the lime milk pipeline system comprises a first electric control valve, a second electric control valve, a first electric butterfly valve, a second electric butterfly valve, a third electric control valve, a third electric butterfly valve, a fourth electric control valve, a fourth electric butterfly valve, a first ball valve, a first stop valve, a second ball valve, a second stop valve, a third ball valve, a third stop valve, a fourth ball valve and a fifth ball valve, all valves outside the sixth ball valve and the seventh ball valve are in normally open states, the first electric control valve, the second electric 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 change opening and closing states according to actual requirements, and 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 normally closed states;
when the lime milk pipeline system is blocked, judging the blocking form of the lime milk pipeline system according to the phenomenon generated by blocking;
if the blockage form is the lime milk blockage of the pipeline, closing the first electric control valve, the second electric control valve, the fourth stop valve, the fifth stop valve, the first electric butterfly valve, the second electric butterfly valve, the ninth ball valve and the eleventh ball valve, opening the first stop valve, the second stop valve, the third ball valve, the third stop valve, the fourth ball valve and the fifth ball valve, simultaneously controlling the medicine pump to start working, driving the medicine liquid in the medicine-adding cleaning box into the lime milk pipeline system by the medicine pump, circulating in the lime milk pipeline system, simultaneously measuring the pH value of the medicine liquid in the medicine-adding cleaning box, supplementing the medicine liquid if the pH value of the medicine liquid is reduced, stopping the circulation of the medicine liquid if the pH value of the medicine liquid is stable, soaking, and flushing the lime milk pipeline system by means of water from a main pipe of an external tap water pump by opening the first electric butterfly valve, the second electric butterfly valve and the sixth ball valve after soaking for a certain time, the washed liquid flows out to an external collection pool;
if the blockage form is that the pump port positions of the first material conveying pump and the second material conveying pump are blocked, closing 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, opening the first ball valve, the second ball valve, the third stop valve, the fourth ball valve and the fifth ball valve, simultaneously controlling the medicine pump to start working, pumping the medicine liquid in the medicine adding cleaning box into the lime milk pipeline system by the medicine pump, circulating in the lime milk pipeline system, simultaneously measuring the pH value of the medicine liquid in the medicine adding cleaning box, supplementing the medicine liquid if the pH value of the medicine liquid is reduced, stopping the circulation of the medicine liquid if the pH value of the medicine liquid is stable, soaking, and flushing the lime milk pipeline system by means of water from a main pipe of an external water pump by opening the first electric butterfly valve, the second electric butterfly valve and the sixth ball valve after soaking for a certain time, the flushed liquid flows out into an external collection tank.
Compared with the prior art, the invention has the advantages that:
1. according to the lime milk pipeline cleaning device, the dosing cleaning box is additionally arranged, the matched pipeline and the valve are arranged, so that when the lime milk pipeline is blocked, the pipeline can be cleaned without cutting the pipeline, the lime milk pipeline can be cleaned on line only by injecting the liquid medicine in the dosing cleaning box into the lime milk pipeline through the dosing pump after controlling the opening and closing of the corresponding valve, meanwhile, in the cleaning process, the first clarification tank and the second clarification tank can be separated from the lime milk pipeline to be cleaned due to the closing of the corresponding valves, so that the operation of the first clarification tank and the second clarification tank can be not required to be shut down in the cleaning process, the operation time is shortened, and compared with the prior art, the lime milk pipeline cleaning device has the advantages of being simple in maintenance process, short in cleaning period, short in operation time and capable of ensuring water supply.
2. The lime milk pipeline system is divided into two sets of pipeline systems with the same function by the seventh ball valve, so that when one set of pipeline system breaks down, the seventh ball valve is opened to connect the other set of pipeline system, so that the integral wind risk resistance of the lime milk pipeline system is improved, and in the subsequent cleaning work, when one set of pipeline system stops cleaning work, the other set of pipeline system can be operated, so that the stability of the integral water supply system is ensured, and the water supply interruption is avoided as much as possible.
3. The invention provides a method for using a lime milk pipeline system capable of being cleaned on line, which can realize the on-line cleaning of the lime milk pipeline, does not influence the work of a first clarification tank and a second clarification tank, ensures the cleaning effect by adjusting the pH value, soaking in liquid medicine and other methods, and reduces the adhesion amount of the lime milk in the pipeline as much as possible.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. a first clarification tank; 2. a second clarification tank; 3. a first lime milk discharging component; 4. a second lime milk discharging component; 5. a first conduit; 6. a second conduit; 7. a first electrically controlled valve; 8. a first ball valve; 9. a first shut-off valve; 10. a third pipeline; 11. a second electrically controlled valve; 12. a second ball valve; 13. a second stop valve; 14. adding a medicine to clean the 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 stop valve; 25. a fifth stop valve; 26. a seventh ball valve; 27. a third bifurcated conduit; 28. an eighth ball valve; 29. a first delivery pump; 30. a sixth stop valve; 31. a ninth ball valve; 32. a fourth bifurcated conduit; 33. a tenth ball valve; 34. a second delivery pump; 35. a seventh stop valve; 36. an eleventh ball valve; 37. a twelfth ball valve; 38. a thirteenth ball valve; 39. an eighth stop valve; 40. a first manual butterfly valve; 41. a first electric butterfly valve; 42. a ninth cut-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 dredge pump; 47. an external dosing chamber; 48. an outer water outlet channel; 49. a tenth stop valve; 50. a fourteenth ball valve; 51. a third electrically controlled valve; 52. a fourth pipe; 53. a third electric butterfly valve; 54. an eleventh stop valve; 55. a twelfth cut-off valve; 56. a fifteenth ball valve; 57. a fourth electrically controlled valve; 58. a fifth pipeline; 59. a fourth electric butterfly valve; 60. a thirteenth stop valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present 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, where the first clarifier 1 and the second clarifier 2 are used to remove suspended matters and colloids from an incoming liquid, and the first lime milk discharging component 3 and the second lime milk discharging component 4 are used to generate a lime milk solution;
the first communication port of the first clarification tank 1 is communicated with the first communication port of the second clarification tank 2 through a first pipeline 5;
the discharge end of the first lime milk discharging component 3 is communicated with the first pipeline 5 through the 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 component 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 component 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 component 4;
the lime milk pipeline system also comprises a dosing cleaning box 14, and acidic liquid medicine capable of reacting with the lime milk is added into the dosing cleaning box 14; the first communication port of the dosing cleaning box 14 is respectively communicated with the second pipeline 6 and the third pipeline 10 through the arrangement of the first branch pipeline 15, the shunting end of the first branch pipeline 15 is communicated with the second pipeline 6 and the third pipeline 10, so that liquid medicine in the dosing cleaning box 14 can flow into the second pipeline 6 and the third pipeline 10 through the first branch pipeline 15, and cleaning work is carried out on the pipeline flowing through, meanwhile, the shunting end of the first branch pipeline 15 is respectively connected with the first ball valve 8, the first stop valve 9, the second ball valve 12 and the second stop valve 13 at the positions on the second pipeline 6 and the third pipeline 10, so that the first ball valve 8 and the first stop valve 9 can isolate the dosing cleaning box 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 cleaning box 14 from the first pipeline 5 and the first lime milk discharging assembly 4, so as to facilitate the subsequent cleaning work; a third ball valve 16, a medicine pump 17, a third stop valve 18 and a fourth ball valve 19 are sequentially arranged on the pipeline at the confluence end of the first branch pipeline 15 from the direction far away from the medicine adding cleaning tank 14;
the second communicating port of the medicine adding cleaning box 14 is communicated with the first pipeline 5 through a second branch pipeline 20, so that the medicine adding and cleaning tank 14 is communicated with the first pipeline 5 through the second branch pipeline 20 to facilitate the subsequent cleaning work, one side of the branch pipeline of the second branch pipeline 20 is connected with the pipeline of the first pipeline 5 close to the first clarification tank 1 side, the other side of the branch pipeline is connected with the pipeline of the first pipeline 5 close to the second clarification tank 2 side, so that all pipelines can be cleaned as much as possible in the subsequent pipeline cleaning process, the two end parts of the pipelines at the two sides of the branching end of the second branch pipeline 20 are respectively provided with 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 two side pipelines of the branch end of the second branch pipeline 20, so as to facilitate the subsequent cleaning work;
a third communication port of the dosing cleaning box 14 is communicated with the external collecting tank 22 in a pipeline connection mode so as to facilitate subsequent waste liquid collection, 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 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 clarification tank 1, the fourth stop valve 24 is arranged on the first pipeline 5 and is closer to the first clarification tank 1 than the connecting position of the second branch pipeline 20 and the pipeline of the first pipeline 5 close to the first clarification tank 1, so that when the fourth stop valve 24 is closed, the first communicating port of the first clarification tank 1 can be isolated from the external pipeline, so that the subsequent cleaning work can be carried out, the fifth stop valve 25 is arranged close to the second clarification tank 2, the fifth stop valve 25 is arranged on the first pipeline 5 and is closer to the second clarification tank 2 than the connecting position of the second branch pipeline 20 and the pipeline of the first pipeline 5 close to the second clarification tank 2, so that when the fifth stop valve 25 is closed, the first communicating port of the second clarification tank 2 can be isolated from the external pipeline, so that the subsequent cleaning work can be carried out, 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 of separation, the lime milk pipeline system can be separated into two sets of pipeline systems with the same function, not only can one set of pipeline system be accessed by opening the seventh ball valve 26 when the other set of pipeline system breaks down so as to improve the integral wind risk resistance of the lime milk pipeline system, but also the subsequent cleaning work can be carried out conveniently.
In this embodiment, the second pipeline 6 is connected with the first pipeline 5 by arranging a third branch pipeline 27, the confluence end of the third branch pipeline 27 is connected to a 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 an external pipeline, so as to facilitate the subsequent cleaning operation, the diversion end of the third branch pipeline 27 is connected to a pipeline between the fourth stop valve 24 and the seventh ball valve 26 on the first pipeline 5, and the pipelines on both sides of the diversion end of the third branch pipeline 27 are respectively provided with an eighth ball valve 28, a first feed 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 aforementioned setting, can guarantee by the lime milk solution that first lime milk ejection of compact subassembly 3 produced can be more quick get into in first depositing reservoir 1 and the second depositing reservoir 2.
In this embodiment, the third pipeline 10 is connected with the first pipeline 5 by arranging a fourth branch pipeline 32, so that the second electric control valve 11 can isolate the second lime milk discharging component 4 from an external pipeline, so as to facilitate the subsequent cleaning operation, the confluence end of the fourth branch pipeline 32 is connected to a pipeline between the second electric control valve 11 and the second ball valve 12 on the third pipeline 10, the diversion end of the fourth branch pipeline 32 is connected to a pipeline between the fifth stop valve 25 and the seventh ball valve 26 on the first pipeline 5, and a tenth ball valve 33, a second feed pump 34, a seventh stop valve 35 and an eleventh ball valve 36 which are sequentially arranged from the direction far away from the third pipeline 10 are arranged on the pipelines on both sides of the diversion end of the fourth branch pipeline 32; through aforementioned setting, can guarantee by the lime milk solution that second lime milk ejection of compact subassembly 4 produced can be more quick get into in first depositing reservoir 1 and the second depositing reservoir 2.
Still be equipped with twelfth ball valve 37 and thirteenth ball valve 38 on the first pipeline 5, twelfth ball valve 37 is located on the pipeline between second bifurcation pipeline 20 and first pipeline 5 hookup location and third bifurcation pipeline 27 and the first pipeline 5 hookup location on the first pipeline 5 for twelfth ball valve 37 can keep apart first clarifier 1 and first lime breast ejection of compact subassembly 3, in order to increase the anti-risk ability of whole system, thirteenth ball valve 38 is located on the pipeline between second bifurcation pipeline 20 and first pipeline 5 hookup location and fourth bifurcation pipeline 32 and first pipeline 5 hookup location on the first pipeline 5, make thirteenth ball valve 38 can keep apart second clarifier 2 and second lime breast ejection of compact subassembly 4, in order to increase the anti-risk ability of whole system.
In this embodiment, the discharge end of the first lime milk discharging assembly 3 and the third branch pipe 27 are further communicated with an external tap water pump main pipe 45 in a pipe connection manner, so as to provide sufficient water for the first lime milk discharging assembly 3 to generate a lime milk solution and facilitate subsequent washing operation; an eighth stop valve 39 is arranged on a pipeline communicated with an 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 through the third branch pipeline 27 from the direction close to the third branch pipeline 27.
In this implementation, still communicate together through pipe connection's mode and outside running water pump female pipe 45 on the discharge end of second lime breast ejection of compact subassembly 4 and the fourth bifurcated pipeline 32, for the second lime breast ejection of compact subassembly 4 produces the going on of lime breast solution provides sufficient water and the follow-up operation of washing of being convenient for, be equipped with ninth stop valve 42 on the pipeline of discharge end of second lime breast ejection of compact subassembly 4 and outside running water pump female pipe 45 intercommunication, be equipped with the manual butterfly valve 43 of second and the electronic butterfly valve 44 of second from pressing close to fourth bifurcated pipeline 32 direction in proper order on the pipeline of fourth bifurcated pipeline 32 and outside running water pump female pipe 45 intercommunication.
In this embodiment, the second communication port of the first clarification tank 1 is communicated with the external dosing room 47 in a pipeline connection manner, so that the external dosing room 47 can add a required flocculant into the first clarification tank 1, the third communication port of the first clarification tank 1 is communicated with the external water outlet channel 48 in a pipeline connection manner, so that the first clarification tank 1 discharges treated water, and 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 dredge pump 46 in a pipeline connection manner, so that the first clarification tank 1 discharges sewage and a pipeline connected to the fourth flow port of the first clarification tank is cleaned by water flow from the external tap water pump main pipe 45; a tenth stop valve 49 is arranged on a pipeline of the first clarification tank 1, the fourth communication port of which is communicated with the external tap water pump main pipe 45, is sequentially provided with a fourteenth ball valve 50 and a third electric control valve 51 from the direction far away from the first clarification tank 1, the pipeline of the first clarification tank 1, the fourth communication port of which is communicated with the external tap water pump main pipe 45, is also communicated with the pipeline of the first clarification tank 1, the fourth communication port of which is communicated with the external mud pump 46, through a fourth pipeline 52, and the fourth pipeline 52 is used for cleaning the pipeline of the first clarification tank 1, the fourth communication port of which is communicated with the external mud pump 46, the third electric butterfly valve 53 and the eleventh stop valve 54 are arranged on the fourth pipeline 52, and the third electric butterfly valve 53 and the eleventh stop valve 54 are arranged on the fourth pipeline 52.
In this embodiment, the second communication port of the second clarification tank 2 is communicated with the external dosing room 47 in a pipeline connection manner, so that the external dosing room 47 can add a required flocculant into the second clarification tank 2, the third communication port of the second clarification tank 2 is communicated with the external water outlet channel 48 in a pipeline connection manner, so that the second clarification tank 2 discharges treated water, and 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 dredge pump 46 in a pipeline connection manner, so that the second clarification tank 2 discharges sewage and a pipeline connected to the fourth flow port of the second clarification tank is cleaned by water flow from the external tap water pump main pipe 45; a twelfth stop valve 55 is arranged on a pipeline of the fourth communication port of the second clarification tank 2 communicated with the external tap water pump main pipe 45, a fifteenth ball valve 56 and a fourth electric control valve 57 are sequentially arranged on a pipeline of the fourth communication port of the second clarification tank 2 communicated with the external dredge pump 46 from the direction far away from the second clarification tank 2, a fifth pipeline 58 is arranged between the pipeline of the fourth communication port of the second clarification tank 2 communicated with the external tap water pump main pipe 45 and the pipeline of the fourth communication port of the second clarification tank 2 communicated with the external dredge pump 46, and the fifth pipeline 58 is used for cleaning the pipeline of the fourth communication port of the second clarification tank 2 communicated with the external dredge pump 46 in the subsequent period, the hydraulic balance valve has the function of balancing water pressure, prevents the occurrence of the situations of pipeline breakage and the like caused by the change of water pressure in the pipeline due to pipeline blockage, and is provided with a fourth electric butterfly valve 59 and a thirteenth stop valve 60 on the fifth pipeline 58.
Example 2; referring to fig. 1, the present embodiment provides a method for using a lime milk pipeline system capable of being cleaned online on the basis of embodiment 1, including the following steps:
when the lime milk piping system of embodiment 1 is operated, all the 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 control 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 the normally open state, and 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 and the fourth electric butterfly valve 59 are changed in the open/closed state according to actual requirements, for example, when the lime milk solution generated by the first lime milk discharging assembly 3 and the second lime milk discharging assembly 4 is added into the first clarifying tank 1 and the second clarifying tank 2, the first electric control valve 7 and the second electric control valve 11 are opened, lime milk solution is conveyed by matching with the first material conveying pump 29 and the second material conveying pump 34, if the water content of the lime milk solution generated by the first lime milk discharging component 3 and the second lime milk discharging component 4 is insufficient, the first electric butterfly valve 41 and the second electric butterfly valve 44 are opened, the lime milk solution is supplemented by matching with the water from the external tap water pump main pipe 45, if the first clarification tank 1 and the second clarification tank 2 need to discharge sewage, the third electric control valve 51 and the fourth electric control valve 57 are opened, and the third electric control valve and the fourth electric control valve are opened by matching with sewage discharge, if the sewage discharge pipeline connected with the fourth communication port of the first clarification tank 1 and the second clarification tank 2 needs to be cleaned, the third electric control valve and the fourth electric control butterfly valve are opened to balance water pressure; 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 divided 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 generated by blocking; for the sake of easy understanding, in the present embodiment, it is assumed that the pipe system in which the clogging occurs is a pipe system with the first clarifier 1, that is, the pipe system with the first clarifier 1 is operated; the specific judgment method is as follows: monitoring the pH value of inlet water in real time when the first clarification tank 1 runs, and if the pH value is reduced, checking whether the liquid level in the first lime milk discharging component 3 is reduced on site; if the internal liquid level is lowered, it indicates that the running pipeline system is not blocked, and a user needs to check whether the pH value of the first clarification tank 1 is lowered due to mechanical failure and the like in the first clarification tank 1; if the internal liquid level does not drop, the running pipeline system is blocked, then the seventh ball valve 26 is opened, the two sets of pipeline systems separated by the seventh ball valve 26 are communicated, simultaneously starting and operating a pipeline system with a second clarification tank 2, then adding chemicals and simultaneously monitoring the pH value of the first clarification tank 1, if the change of the pH value is increased, the second material-transporting pump 34 can easily transport the lime milk produced by the second lime milk discharging component 4 into the first clarifier 1, the blockage form is judged to be that the pump port position of the first material conveying pump 29 is 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, the material level in the second lime milk discharging component 4 is not reduced, it can be determined that the clogging is in the form of lime milk clogging in the pipe system with the first clarifier 1;
if the lime milk is blocked in the pipeline, closing the first electric control valve 7, the fourth stop valve 24, the first electric butterfly valve 41 and the ninth ball valve 31, isolating the pipeline in the pipeline system with the first clarification tank 1 from the first clarification tank 1, the first lime milk discharging component 3, the first delivery pump 29, the external tap water pump mother pipe 45 and the external dredge pump 46, then opening 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 the pipeline of the corresponding diversion end in the second branch pipeline 20 communicated with the first pipeline 5, simultaneously controlling the medicine pump 17 to start working, enabling the medicine pump 17 to pump the medicine liquid in the medicine adding cleaning tank 14 into the pipeline system with the first clarification tank 1 and circulate in the pipeline system, enabling the added medicine liquid to react with the attached lime milk due to acidity so as to remove the lime milk attached to the lime milk in the pipeline system, the pH value of the liquid medicine in the medicine-adding cleaning box 14 is measured in real time, if the pH value of the liquid medicine is reduced, the liquid medicine is supplemented, the pH value of the liquid medicine in the medicine-adding cleaning box 14 is stabilized, if the pH value of the liquid medicine is stabilized, the liquid medicine circulation is stopped, soaking is carried out, and after soaking for a certain time, in the embodiment, the soaking time is 24 hours; the specific soaking time can be determined according to the length of the actual lime milk pipeline; the lime milk pipeline system is washed by water from an external tap water pump main pipe 45 by opening a first electric butterfly valve 41, a second electric butterfly valve 44 and a sixth ball valve 23, and the washed liquid flows back into the dosing and washing tank 14 and then flows out to an external collection tank 22 for collection; at the moment, the adhesion amount of the lime milk in the treated lime milk pipeline system can be greatly reduced;
if the blockage is the blockage at the position of the pump opening of the first feed pump 29, 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 component 3, the first feed pump 29, the external tap water pump main pipe 45 and the external sludge discharge 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 pipeline at the corresponding shunt end in the second branch pipeline 20 communicated with the first pipeline 5 are opened, the medicine pump 17 is controlled to start to work, the medicine liquid in the medicine adding cleaning tank 14 is pumped into the pipeline system by the medicine pump 17 and circulates in the pipeline system, the added medicine liquid can react with the attached lime milk due to acidity to remove the lime milk attached in the pipeline system, the pH value of the liquid medicine in the medicine-adding cleaning box 14 is measured in real time, if the pH value of the liquid medicine is reduced, the liquid medicine is supplemented, the pH value of the liquid medicine in the medicine-adding cleaning box 14 is stabilized, if the pH value of the liquid medicine is stabilized, the liquid medicine circulation is stopped, the liquid medicine is soaked for 24 hours, after the soaking is finished, the lime milk pipeline system is washed by opening a first electric butterfly valve 41, a second electric butterfly valve 44 and a sixth ball valve 23 through the main pipe 45 of an external tap water pump, and the washed liquid flows back into the medicine-adding cleaning box 14 and then flows out to an external collection pool 22 to be collected; at this time, the adhesion amount of the lime milk in the treated lime milk pipeline system can be 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 by the method, and the second clarification tank 2 and the second lime milk discharging component 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 otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate agent, and may be used for communicating the inside of two elements or interacting relation of two elements, unless otherwise specifically defined, and the specific meaning of the terms in the present invention can be understood by those skilled in the art according to specific situations.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the present invention as claimed.
Claims (10)
1. The utility model provides a lime milk pipe-line system that can online cleaning, includes first clarifier (1), second clarifier (2), first lime milk ejection of compact subassembly (3) and second lime milk ejection of compact subassembly (4), its characterized in that: the first communication port of the first clarification tank (1) is communicated with the first communication port of the second clarification tank (2) through a first pipeline (5);
the discharge end of the first lime milk discharge assembly (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 discharge assembly (3);
the discharge end of the second lime milk discharging assembly (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 assembly (4);
the pipeline system further comprises a dosing cleaning box (14), a first communication port of the dosing cleaning box (14) is respectively communicated with a second pipeline (6) and a third pipeline (10) through a first branched pipeline (15), a shunting end of the first branched pipeline (15) is communicated with the second pipeline (6) and the third pipeline (10), and 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 of a confluence end of the first branched pipeline (15) from the direction far away from the dosing cleaning box (14);
a second communication port of the medicine adding cleaning box (14) is communicated with the first pipeline (5) through a second branched pipeline (20), one side of the second branched pipeline (20) is connected to a pipeline of the first pipeline (5) close to the first clarification tank (1), the other side of the second branched pipeline is connected to a pipeline of the first pipeline (5) close to the second clarification tank (2), and the two end parts of the pipelines at the two sides of the branched end of the second branched pipeline (20) are respectively provided with a fifth ball valve (21);
a third communication port of the dosing cleaning box (14) is communicated with the external collecting tank (22) in 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 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 clarification tank (1), and the fourth stop valve (24) is arranged on the first pipeline (5) and is closer to the first clarification tank (1) than the connecting position of the second branch 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), and the position that fifth stop valve (25) was located on first pipeline (5) is closer to second clarification tank (2) than second bifurcation pipeline (20) and the connected position of pipeline that first pipeline (5) were close to second clarification tank (2) side, and seventh ball valve (26) are located second pipeline (6) and connect on the pipeline of first pipeline (5) between the position on first pipeline (5) and third pipeline (10) connect on first pipeline (5).
2. Lime milk piping system according to claim 1, where: the second pipeline (6) is connected with the first pipeline (5) through a third branched pipeline (27), the confluence end of the third branched pipeline (27) is connected to a pipeline between the first electric control valve (7) and the first ball valve (8) on the second pipeline (6), the shunt end of the third branched pipeline (27) is connected to a pipeline between the fourth stop valve (24) and the seventh ball valve (26) on the first pipeline (5), and the pipelines on two sides of the shunt end of the third branched 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 along the direction away from the second pipeline (6).
3. Lime milk piping system according to claim 1, where: the third pipeline (10) is connected with the first pipeline (5) through a fourth branched pipeline (32), the confluence end of the fourth branched pipeline (32) is connected to a pipeline between a second electric control valve (11) and a second ball valve (12) on the third pipeline (10), the diversion end of the fourth branched pipeline (32) is connected to a pipeline between a fifth stop valve (25) and a seventh ball valve (26) on the first pipeline (5), and pipelines on two sides of the diversion end of the fourth branched pipeline (32) are respectively provided with a tenth ball valve (33), a second material conveying pump (34), a seventh stop valve (35) and an eleventh ball valve (36) which are sequentially arranged in the direction away from the third pipeline (10).
4. The lime milk piping system capable of online cleaning according to claim 2, characterized in that: and a twelfth ball valve (37) is further arranged on the first pipeline (5), and the twelfth ball valve (37) is arranged on a pipeline between the connecting position of the second branched pipeline (20) and the first pipeline (5) on the first pipeline (5) and the connecting position of the third branched pipeline (27) and the first pipeline (5).
5. A milk of lime piping system that can be cleaned on-line according to claim 3, characterized in that: the first pipeline (5) is further provided with a thirteenth ball valve (38), and the thirteenth ball valve (38) is arranged on a pipeline between the connecting position of the second branched pipeline (20) and the first pipeline (5) on the first pipeline (5) and the connecting position of the fourth branched pipeline (32) and the first pipeline (5).
6. The lime milk piping system capable of online cleaning according to claim 1, characterized in that: still communicate together through pipe connection's mode and the female pipe of outside running water pump (45) on the discharge end of first lime breast ejection of compact subassembly (3) and third branching pipeline (27), be equipped with eighth stop valve (39) on the discharge end of first lime breast ejection of compact subassembly (3) and the pipeline of the female pipe of outside running water pump (45) intercommunication, third branching pipeline (27) and the pipeline of the female pipe of outside running water pump (45) intercommunication are equipped with first manual butterfly valve (40) and first electric butterfly valve (41) from pressing close to third branching pipeline (27) direction in proper order.
7. Lime milk piping system according to claim 1, where: the discharging end of the second lime milk discharging assembly (4) and the fourth branched pipeline (32) are communicated with an external tap water pump main pipe (45) in a pipeline connection mode, a ninth stop valve (42) is arranged on a pipeline through which the discharging end of the second lime milk discharging assembly (4) is communicated with the external tap water pump main pipe (45), and a second manual butterfly valve (43) and a second electric butterfly valve (44) are sequentially arranged on a pipeline through which the fourth branched pipeline (32) is communicated with the external tap water pump main pipe (45) in a direction close to the fourth branched pipeline (32).
8. Lime milk piping system according to claim 1, where: the second communication port of the first clarification tank (1) is communicated with an external dosing room (47) in a pipeline connection mode, the third communication port of the first clarification tank (1) is communicated with an external water outlet channel (48) in a pipeline connection mode, the fourth communication port of the first clarification tank (1) is communicated with an external tap water pump main pipe (45) and an external sludge discharge pump (46) in a pipeline connection mode, a tenth stop valve (49) is arranged on a pipeline communicated with the external tap water pump main pipe (45) through the fourth communication port of the first clarification tank (1), a fourteenth ball valve (50) and a third electric control valve (51) are sequentially arranged on the pipeline communicated with the external sludge discharge pump (46) from the direction far away from the first clarification tank (1), a pipeline communicated with the external tap water pump main pipe (45) of the first clarification tank (1) is communicated with the external sludge discharge pump (1), and a pipeline communicated with the external sludge discharge pump (1) of the first clarification tank (1) (46) The communicated pipelines are also communicated together through a fourth pipeline (52), and a third electric butterfly valve (53) and an eleventh stop valve (54) are arranged on the fourth pipeline (52).
9. Lime milk piping system according to claim 1, where: the second communicating port of the second clarification tank (2) is communicated with an external dosing room (47) in a pipeline connection mode, the third communicating port of the second clarification tank (2) is communicated with an external water outlet channel (48) in a pipeline connection mode, the fourth communicating port of the second clarification tank (2) is communicated with an external tap water pump main pipe (45) and an external sludge discharge pump (46) in a pipeline connection mode, a twelfth stop valve (55) is arranged on a pipeline communicated with the external tap water pump main pipe (45) of the fourth communicating port of the second clarification tank (2), a fifteenth ball valve (56) and a fourth electric control valve (57) are sequentially arranged on the pipeline communicated with the external sludge discharge pump (46) from the direction far away from the second clarification tank (2), a pipeline communicated with the external tap water pump main pipe (45) of the fourth communicating port of the second clarification tank (2) is communicated with the external tap water pump main pipe (45), and a fourth communicating port of the second clarification tank (2) and the external sludge discharge pump main pipe (45) are communicated with the external clarification tank The pipelines communicated with the pump (46) are also communicated together through a fifth pipeline (58), and a fourth electric butterfly valve (59) and a thirteenth stop valve (60) are arranged on the fifth pipeline (58).
10. Use method of the lime milk pipeline system capable of being cleaned on line based on any one of claims 1 to 9, characterized by comprising the following steps:
when the lime milk pipeline system operates, all the valves except a first electric control valve (7), a second electric control valve (11), a first electric butterfly valve (41), a second electric butterfly valve (44), a third electric control valve (51), a third electric butterfly valve (53), a fourth electric control valve (57), a fourth electric butterfly valve (59), a first ball valve (8), a first stop valve (9), a second ball valve (12), a second stop valve (13), a third ball valve (16), a third stop valve (18), a fourth ball valve (19), a fifth ball valve (21), a sixth ball valve (23) and a seventh ball valve (26) are in a normally open state, and 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 changed in an opening and closing state according to actual requirements, 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;
when the lime milk pipeline system is blocked, judging the blocking form of the lime milk pipeline system according to the phenomenon generated by blocking;
if the lime milk is blocked in the pipeline, 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 a first stop valve (9), a 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), simultaneously controlling a medicine pump (17) to start working, driving the medicine liquid in a medicine-adding cleaning box (14) into the lime milk pipeline system by the medicine pump (17), circulating in the lime milk pipeline system, measuring the pH value of the medicine liquid in the medicine-adding cleaning box (14), supplementing the medicine liquid if the pH value of the medicine liquid in the medicine-adding cleaning box is reduced, stopping the circulation of the medicine liquid if the pH value of the medicine liquid is stable, soaking for a certain time, flushing the lime milk pipeline system by opening a first electric butterfly valve (41), a second electric butterfly valve (44) and a sixth ball valve (23) through water coming from an external tap water pump main pipe (45), and enabling the flushed liquid to flow out to an external collecting tank (22);
if the blockage form is that the pump port positions of a first material conveying pump (29) and a second material conveying pump (34) are blocked, 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) and a second electric butterfly valve (44), opening a first ball valve (8), a second ball valve (12), a third ball valve (16), a third stop valve (18), a fourth ball valve (19) and a fifth ball valve (21), simultaneously controlling a medicine pump (17) to start working, pumping the medicine liquid in a medicine adding cleaning box (14) into a lime milk pipeline system by the medicine pump (17), circulating in the lime milk pipeline system, simultaneously measuring the pH value of the medicine liquid in the cleaning medicine adding box (14), supplementing the medicine liquid if the pH value of the medicine liquid is reduced, stopping the circulation of the medicine liquid and soaking if the pH value of the medicine liquid is stable, after soaking for a certain time, the lime milk pipeline system is washed by opening the first electric butterfly valve (41), the second electric butterfly valve (44) and the sixth ball valve (23) and water coming from a main pipe (45) of an external tap water pump, and the washed liquid flows out to an external collecting tank (22).
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 |
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| Publication Number | Publication Date |
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| CN114956285A true CN114956285A (en) | 2022-08-30 |
| CN114956285B CN114956285B (en) | 2023-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 |
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| Country | Link |
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| CN (1) | CN114956285B (en) |
| WO (1) | WO2023236590A1 (en) |
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| CN115365238A (en) * | 2022-09-09 | 2022-11-22 | 无锡振云环保科技有限公司 | Cleaning process for lime emulsion feeding pipeline |
| WO2023236590A1 (en) * | 2022-06-06 | 2023-12-14 | 华能(福建漳州)能源有限责任公司 | Clean-in-place calcium hydroxide pipe system, and method for using same |
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| 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 |
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| KR102258357B1 (en) * | 2021-04-01 | 2021-05-28 | 창녕군시설관리공단 | Liquid slaked lime supply pump and pipe cleaning device for incineration facilities |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114956285B (en) | 2023-06-09 |
| WO2023236590A1 (en) | 2023-12-14 |
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