CN217621320U - Cement slurry processing system applied to MJS construction method - Google Patents

Abstract

The embodiment of the application provides a cement slurry processing system applied to an MJS construction method, which comprises: the MJS device conveys cement paste pipelines; the mud stirring system is communicated with the cement slurry pipeline conveyed by the MJS device and is used for shearing and stirring the mud conveyed by the cement slurry pipeline conveyed by the MJS device; the dispensing system comprises a dispensing system output pipeline, a slurry stirring system output pipeline, a centrifugal separation system and a centrifugal separation system, wherein the dispensing system output pipeline is converged with the slurry stirring system output pipeline, and a mixture of slurry and a medicament is conveyed to the centrifugal separation system through a pipeline for centrifugal separation; high-pressure spray gun, high-pressure spray gun is connected with mud mixing system for carry out the moisturizing to the mud in the mud mixing system and dilute, adopt the technical scheme that provides in the embodiment of this application, be equipped with high-pressure spray gun on stirring the pond, spray clear water through high-pressure spray gun, reduce the concentration of cement mud, use the agitator to the mud stirring in stirring the pond, prevent that cement mud from deposiing in stirring the pond.

Description

Cement slurry processing system applied to MJS construction method

Technical Field

The application relates to the field of cement slurry processing equipment, in particular to a cement slurry processing system applied to an MJS construction method.

Background

The MJS construction method is based on the traditional high-pressure jet grouting process, adopts a unique porous pipe and a front end generating device, realizes the forced slurry discharge in the hole and the monitoring of the underground pressure, controls the underground pressure by adjusting the forced slurry discharge amount, greatly reduces the influence on the environment, and further ensures the pile forming diameter by reducing the underground pressure.

The cement slurry produced by the MJS construction method has large quantity, high concentration and high cement content, the solid-liquid separation is carried out on the cement slurry by adopting a centrifugal machine at present, the slurry is easy to solidify in the processing process, the pipeline and the centrifugal machine are blocked, the dosage of a medicament is large, and the water resource can not be recycled.

The above information disclosed in the background section is only for enhancement of understanding of the background of the present application and therefore it may contain information that does not form the prior art that is known to those of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a cement slurry treatment system applied to an MJS construction method, which is used for solving the problem that pipelines and centrifuges are blocked in the cement slurry treatment process, and meanwhile, a dosage system with adjustable dosage is configured, so that the curing of a medicament is more sufficient, the dosage of the medicament is saved, the separated liquid water is clearer, the liquid water separated by the centrifuges can be utilized to the greatest extent, and the water resource is saved.

According to a first aspect of embodiments of the present application, there is provided a cement slurry treatment system applied to an MJS method, including:

the MJS device conveys cement paste pipelines;

the mud stirring system is communicated with the cement slurry conveying pipeline of the MJS device and is used for shearing and stirring the mud conveyed by the cement slurry conveying pipeline of the MJS device; the dispensing system comprises a dispensing system output pipeline, a slurry stirring system output pipeline, a centrifugal separation system and a centrifugal separation system, wherein the dispensing system output pipeline is converged with the slurry stirring system output pipeline, and a mixture of slurry and a medicament is conveyed to the centrifugal separation system through a pipeline for centrifugal separation;

and the high-pressure spray gun is connected with the slurry stirring system and is used for supplementing water and diluting the slurry in the slurry stirring system.

As for the treatment system, the slurry stirring system comprises a stirring tank, a primary sedimentation tank and a secondary sedimentation tank which are provided with openings at the top ends and are sequentially communicated in series, and a first stirrer for stirring slurry is arranged in the stirring tank.

According to the treatment system, the stirring tank is internally provided with the slurry feeding pump, and the slurry feeding pump outputs the stirred slurry to the centrifuge system through the fourth pipeline D for centrifugal treatment.

According to the treatment system, the primary sedimentation tank is connected with the fifth pipeline E, and the fifth pipeline E is connected with the fourth pipeline D through the second three-way valve and then connected with one end of the sixth pipeline F.

The processing system comprises a first-stage curing bin, a second-stage curing bin, a finished product bin and a blanking device, wherein an opening in the bottom of the first-stage curing bin is communicated with the second-stage curing bin, an opening in the top of the second-stage curing bin is communicated with the finished product bin, the blanking device is arranged above the first-stage curing bin, and second stirrers are arranged in the first-stage curing bin, the second-stage curing bin and the finished product bin.

The handling system as described above, said downer comprising a transport motor and a downer funnel.

According to the treatment system, the bottom of the finished product bin is connected with the dosing pump, and the dosing pump is converged with the sixth pipeline F through the dosing pipeline K and then is connected with one end of the seventh pipeline G.

According to the treatment system, the sixth pipeline F is provided with the slurry flow meter, and the dosing pipeline K is sequentially provided with the dosing flow meter and the one-way valve.

The centrifuge system comprises a rotary drum motor, a core motor, a rotary drum lower cover, a slag outlet, a baffle, a centrifuge bracket, a rotary drum upper cover and a centrifuge water outlet.

In the processing system, the feed inlet of the centrifuge system is connected with one end of a ninth pipeline I, the other end of the ninth pipeline I is connected with one port of a first three-way valve, and the other two ports of the first three-way valve are respectively connected with the other end of a seventh pipeline G and one end of an eighth pipeline H.

In the treatment system, the water outlet of the centrifuge is connected with the water outlet pipeline J, and the water outlet pipeline J is connected with the purification pond system.

The treatment system comprises a primary purification tank and a secondary purification tank, wherein the upper end of the primary purification tank is connected with a water outlet pipeline J, the secondary purification tank is provided with a first water pump and a second water pump, the first water pump is connected with the other end of an eighth pipeline H, the second water pump is connected with one end of a third three-way valve through a first pipeline A, the other end of the third three-way valve is connected with one end of a third pipeline C, the other end of the third pipeline C is connected with a primary curing bin, and the last end of the third three-way valve is connected with a high-pressure spray gun through a second pipeline B.

Adopt the technical scheme that provides in the embodiment of this application, be equipped with high-pressure spray gun on the stirring pond, spray clear water through high-pressure spray gun, reduce the concentration of cement mud, use the agitator to stir mud in the stirring pond, prevent that cement mud from deposiing in the stirring pond, in addition, dispensing system has been increased, the ratio of medicament is controlled through the glassware down, make the medicament fully cure through one-level curing storehouse and second grade curing storehouse, control the supply of adding stuff pump and dosing pump according to mud flowmeter and adding the stuff flowmeter, thereby grasp suitable ratio, reduce the waste of medicament, after mud passes through centrifuge system centrifugation, further purify centrifuge's play water through one-level purification tank and second grade purification tank, reach the standard of reutilization, save the water resource, and simultaneously, in order to solve the problem of pipe blockage, adopt the purified water in the second grade purification tank to wash the centrifuge in mud conveyer pipe and the centrifuge system, the unobstructed of mud conveyer pipe has been guaranteed, and make mud conveyer pipe adopts transparent material, can be directly perceived the condition in the pipeline.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic flow diagram of a cement slurry treatment system provided by an embodiment of the present application;

fig. 2 is a schematic diagram of the centrifuge system of fig. 1.

In the figure: 1. a stirring tank; 2. a first-stage sedimentation tank; 3. a secondary sedimentation tank; 4. a first stirrer; 5. adding a slurry pump; 6, conveying a cement paste pipeline by using an MJS device; 7. a high pressure spray gun; 8. a first-stage curing bin; 9. a secondary curing bin; 10. a finished product bin; 11. a blanking device conveying motor; 12. a feeder hopper; 13. a second stirrer; 14. a drum motor; 15. a core motor; 16. a lower cover of the rotary drum; 17. a slag outlet; 18. a baffle plate; 19. a centrifuge support; 20. an upper cover of the rotary drum; 21. a water outlet of the centrifuge; 22. a primary purification tank; 23. a secondary purification tank; 24. a first water pump; 25. a second water pump; 26. a dosing pump; 27. adding a medicine flow meter; 28. a one-way valve; 29. a mud flow meter; 30. a first three-way valve; 31. a second three-way valve; 32. a third three-way valve; A. a first pipe; B. a second conduit; C. a third pipeline; D. a fourth conduit; E. a fifth pipeline; F. a sixth pipeline; G. a seventh pipe; H. an eighth conduit; I. a ninth conduit; J. a water outlet pipe; K. a medicine feeding pipeline.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Example 1

The embodiment of the application provides a cement slurry processing system applied to an MJS construction method, as shown in attached drawings 1 and 2, the cement slurry processing system comprises an MJS device cement slurry conveying pipeline 6, a high-pressure spray gun 7, a slurry stirring system, a dispensing system and a centrifuge system, wherein the slurry stirring system is communicated with the MJS device cement slurry conveying pipeline 6, the slurry stirring system is used for shearing and stirring slurry conveyed by the MJS device cement slurry conveying pipeline 6, an output pipeline of the dispensing system and an output pipeline of the slurry stirring system are converged, and a mixture of the slurry and a medicament is conveyed to the centrifuge system through a pipeline for centrifugal separation, and the high-pressure spray gun 7 is connected with the slurry stirring system and is used for supplementing water and diluting the slurry in the slurry stirring system.

In this embodiment, the mud mixing system includes top end opening and the stirring pond 1 of establishing ties the intercommunication in proper order, the one-level deposits 2, the second grade sedimentation tank, be equipped with the first agitator 4 that is used for stirring mud in the stirring pond 1, be equipped with in the stirring pond 1 and add the stuff pump 5, add the stuff pump 5 and export the mud that the stirring is good to the centrifuge system through fourth pipeline D and carry out centrifugal treatment, one-level sedimentation tank 2 is connected with fifth pipeline E, fifth pipeline E is connected with sixth pipeline F's one end after being connected through second three way valve 31 with fourth pipeline D.

In order to reduce the concentration of the cement slurry, in this embodiment, clean water is sprayed into the stirring tank 1 through the high-pressure spray gun 7 to prevent the concentration of the cement slurry from being too high, then the first stirrer 4 stirs the cement slurry mixed with the clean water in the stirring tank 1 to prevent the cement slurry from settling at the bottom of the stirring tank 1, and the cement slurry with a proper concentration is output to the centrifuge system through the fourth pipeline D for centrifugal treatment.

In this embodiment, in order to solve the problem of large dosage of chemicals used in cement slurry, a dispensing system is adopted, the dispensing system includes a first-stage curing bin 8, a second-stage curing bin 9, a finished product bin 10 and a feeder, an opening at the bottom of the first-stage curing bin 8 is communicated with the second-stage curing bin 9, an opening at the top end of the second-stage curing bin 9 is communicated with the finished product bin 10, the feeder is installed above the first-stage curing bin 8, the feeder includes a transmission motor 11 and a feeder funnel 12, second stirrers 13 are installed in the first-stage curing bin 8, the second-stage curing bin 9 and the finished product bin 10, a dosing pump 26 is connected to the bottom of the finished product bin 10, the dosing pump 26 is joined with a sixth pipeline F through a dosing pipeline K and then connected with one end of a seventh pipeline G, a slurry flow meter 29 is arranged on the sixth pipeline F, a dosing flow meter 27 and a one-way valve 28 are sequentially arranged on the dosing pipeline K, the method comprises the steps of putting a medicament into a feeder funnel 12, controlling the feeding amount of the medicament by a feeder conveying motor 11, controlling the proportion of water entering a primary curing pool 8 by a water pump 25, curing the medicament by a secondary curing bin 9, entering a finished product bin 10 after curing, pumping the cured medicament into a medicament feeding pipeline K by a medicament feeding pump 26, enabling the medicament in the medicament feeding pipeline K to enter a seventh pipeline G through a medicament feeding flowmeter 27 and a one-way valve 28 to be fully mixed with slurry, then entering a centrifuge system through a ninth pipeline I for centrifugal treatment, controlling the flow of the medicament output from the finished product bin 10 through the medicament feeding pump 26, preventing cement slurry from reversely entering the medicament feeding pipeline K by the one-way valve 28, simultaneously stirring by a second stirrer 13 to accelerate the curing of the medicament in the curing bin, and simultaneously, installing a slurry flowmeter 29 and a medicament feeding flowmeter 27 so as to better master the proportion dosage between the medicament and the slurry, the amount of monitoring mud that can be convenient and the amount of medicament to give the accurate ratio of user feedback mud and medicament, reduce the waste of medicament.

In this embodiment, carry out centrifugal treatment in seventh pipeline G and the ninth pipeline I after mixing mud and the medicament that will stir carries to the centrifuge system, after centrifugal treatment, solid-state material passes through slag notch 17 and discharges, the waste liquid discharges through outlet pipe J after centrifuge delivery port 21 discharges and carries out first purification in one-level purification tank 22, because in the use, the solid-state material of production is more, consequently, set up slag notch 17 into the detachable structure, for the operation such as convenient washing, all establish rotary drum lower cover 16 and separation blade 18 into the structure that conveniently opens or dismantle, make things convenient for the later stage to wash maintenance work after using a period.

In this embodiment, in order to perform secondary utilization on the waste liquid centrifugally treated in the centrifuge system and achieve the purpose of saving water resources, the waste liquid is purified by a purification tank system, the purification tank system comprises a primary purification tank 22 and a secondary purification tank 23, the upper end of the primary purification tank 22 is connected with a water outlet pipeline J, the secondary purification tank 23 is provided with a first water pump 24 and a second water pump 25, the first water pump 24 is connected with the other end of an eighth pipeline H, the second water pump 25 is connected with one port of a third three-way valve 32 through a first pipeline a, the other port of the third three-way valve 32 is connected with one end of a third pipeline C, the other end of the third pipeline C is connected with a primary curing bin 8, the last port of the third three-way valve 32 is connected with a high-pressure spray gun 7 through a second pipeline B, in this embodiment, the waste liquid purified by the primary purification tank 22 and the secondary purification tank 23 has two functions, the first function is to supply water during dilution treatment in the agitation tank 1 and dispense medicines in the dispensing system, and the purified water in the secondary purification tank 23 is extracted by the second water pump 25, and the third pipeline B and the third three-way valve 32 is opened respectively; the second function is to prevent the fourth pipeline D, the fifth pipeline E, the sixth pipeline F, the seventh pipeline G and the ninth pipeline I from being blocked, the evolved water in the secondary purification tank 23 is flushed with the fourth pipeline D, the fifth pipeline E, the sixth pipeline F, the seventh pipeline G and the ninth pipeline I, when in use, the purified water in the secondary purification tank 23 is pumped by the first water pump 24 and then enters the first three-way valve 30 through the eighth pipeline H, the control valve of the first three-way valve 30 is fully opened, on one hand, the purified water enters the centrifuge system along the ninth pipeline I for cleaning, on the other hand, the purified water enters the second three-way valve 31 along the seventh pipeline G and the sixth pipeline F, after the second three-way valve 31 is opened, the operation of washing is carried out in the one-level sedimentation tank 2 is entered into respectively through fifth pipeline E to the purifying water, and when wasing fourth pipeline D, it is the mud washing after the high pressure spray gun 7 dilutes, mud passes through fourth pipeline D, fifth pipeline E carries out the reutilization in flowing into one-level sedimentation tank 2, in order can be more directly perceived clear observe fourth pipeline D, fifth pipeline E, sixth pipeline F, jam condition among seventh pipeline G and the ninth pipeline I, above-mentioned pipeline adopts transparent material to make, conveniently look over the pipeline jam condition at any time, in the in-service use process, if the cement mud volume that MJS produced increases, one-level sedimentation tank 2 and second grade sedimentation tank 3 still can regard as redundant pond simultaneously.

In operation, as shown in fig. 1, the centrifuge system includes a drum motor 14, a core motor 15, a drum lower cover 16, a slag outlet 17, a baffle 18, a centrifuge bracket 19, a drum upper cover 20, and a centrifuge water outlet 21.

In the description of the present application and the embodiments thereof, it should be understood that the terms "top", "bottom", "height", and the like, are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present application.

In the present application and its embodiments, unless specifically stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral with; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application and its embodiments, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. The first feature being "under," "beneath," and "under" the second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the present application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (12)

1. A cement slurry treatment system applied to an MJS construction method, comprising:

the MJS device conveys a cement paste pipeline (6);

the mud stirring system is communicated with the cement paste conveying pipeline (6) of the MJS device, and is used for shearing and stirring mud conveyed by the cement paste conveying pipeline (6) of the MJS device; the dispensing system comprises a dispensing system output pipeline, a slurry stirring system output pipeline and a centrifugal system, wherein the dispensing system output pipeline and the slurry stirring system output pipeline are converged, and a mixture of slurry and a medicament is conveyed to the centrifugal system through a pipeline for centrifugal separation;

and the high-pressure spray gun (7) is connected with the slurry stirring system and is used for supplementing water and diluting the slurry in the slurry stirring system.

2. The cement slurry treatment system applied to the MJS construction method, as set forth in claim 1, wherein the slurry stirring system comprises a stirring tank (1), a primary sedimentation tank (2), and a secondary sedimentation tank, which are open at top ends and are sequentially connected in series, and a first stirrer (4) for stirring slurry is provided in the stirring tank (1).

3. The cement slurry treatment system applied to the MJS construction method as claimed in claim 2, wherein a slurry adding pump (5) is provided in the stirring tank (1), and the slurry added pump (5) outputs the stirred slurry to a centrifuge system through a fourth pipe D for centrifugal treatment.

4. The cement slurry treatment system applied to the MJS construction method as claimed in claim 3, wherein the primary sedimentation tank (2) is connected with a fifth pipe E, and the fifth pipe E and a fourth pipe D are connected with one end of a sixth pipe F after being connected through a second three-way valve (31).

5. The cement slurry treatment system applied to the MJS construction method, as set forth in claim 1, wherein the dispensing system comprises a first-stage curing bin (8), a second-stage curing bin (9), a finished product bin (10) and a feeder, wherein an opening at the bottom of the first-stage curing bin (8) is communicated with the second-stage curing bin (9), an opening at the top of the second-stage curing bin (9) is communicated with the finished product bin (10), the feeder is installed above the first-stage curing bin (8), and second stirrers (13) are installed in the first-stage curing bin (8), the second-stage curing bin (9) and the finished product bin (10).

6. The cement slurry treatment system applied to the MJS construction method as set forth in claim 5, wherein the feeder includes a conveyor motor (11) and a feeder hopper (12).

7. The cement slurry treatment system applied to the MJS construction method, as set forth in claim 6, wherein a chemical feeding pump (26) is connected to the bottom of the finishing silo (10), and the chemical feeding pump (26) is connected to one end of a seventh pipe G after being merged with a sixth pipe F through a chemical feeding pipe K.

8. The cement slurry treatment system applied to the MJS construction method as claimed in claim 7, wherein a slurry flow meter (29) is provided on the sixth pipeline F, and a chemical-adding flow meter (27) and a check valve (28) are provided in sequence on the chemical-adding pipeline K.

9. The cement slurry treatment system applied to the MJS construction method as claimed in claim 1, wherein the centrifuge system comprises a drum motor (14), a core motor (15), a drum lower cover (16), a slag hole (17), a baffle (18), a centrifuge bracket (19), a drum upper cover (20), and a centrifuge water outlet (21).

10. The cement slurry treatment system applied to the MJS construction method as set forth in claim 9, wherein a feed port of the centrifuge system is connected to one end of a ninth pipe I, the other end of the ninth pipe I is connected to one port of a first three-way valve (30), and the other two ports of the first three-way valve (30) are connected to the other end of a seventh pipe G and one end of an eighth pipe H, respectively.

11. The cement slurry treatment system applied to the MJS construction method as set forth in claim 10, wherein the centrifuge water outlet (21) is connected to a water outlet pipe J, which is connected to a purification pond system.

12. The cement slurry treatment system applied to the MJS construction method as recited in claim 11, wherein the purification pond system comprises a primary purification pond (22) and a secondary purification pond (23), the upper end of the primary purification pond (22) is connected with a water outlet pipeline J, the secondary purification pond (23) is provided with a first water pump (24) and a second water pump (25), the first water pump (24) is connected with the other end of an eighth pipeline H, the second water pump (25) is connected with one port of a third three-way valve (32) through a first pipeline, the other port of the third three-way valve (32) is connected with one end of a third pipeline, the other end of the third pipeline is connected with a primary curing bin (8), and the last port of the third three-way valve (32) is connected with a high-pressure spray gun (7) through a second pipeline.

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