CN220202680U

CN220202680U - Cement conveying system

Info

Publication number: CN220202680U
Application number: CN202321943382.2U
Authority: CN
Inventors: 姜保刚; 罗颖舟; 洪潮; 高伟; 华东; 于方; 叶顺波; 杨明春; 高家栋; 高永杰
Original assignee: Cccc Ocean Construction Development Co ltd; Cccc Water Conservancy And Hydropower Construction Co ltd; CCCC Shanghai Dredging Co Ltd.
Current assignee: Cccc Ocean Construction Development Co ltd; Cccc Water Conservancy And Hydropower Construction Co ltd; CCCC Shanghai Dredging Co Ltd.
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2023-12-19
Anticipated expiration: 2033-07-21

Abstract

The utility model discloses a cement conveying system, and relates to the technical field of cement conveying. This cement conveying system, through setting up first outlet, second outlet, slip casting pump and filter, foreign matter that the particle diameter exceeds standard gets into through the filter can effectively prevent, prevent the pipeline jam, single processor adopts 8 slip casting pumps to supply thick liquid respectively to 8 pipelines, it supplies the thick liquid mode to one, it is convenient for seek to supply thick liquid flow, pressure abnormality, troubleshoot, the construction finishes can go up the spouting mouth, lower spouting mouth washs simultaneously, avoid the pipeline to block up, butterfly valve upper portion pipeline should be as short as possible when the design, and then the grout deposits when avoiding the butterfly valve to close, connect the pipeline design transparent visual pipe of cabin export to the filter, be convenient for observe whether the pipeline is inside to make things convenient for follow-up repair, through setting up first speed reducer, the second speed reducer, the third speed reducer, semi-coupling and impeller shaft, can stir the mud of centering storage bin, avoid the mud to deposit.

Description

Cement conveying system

Technical Field

The utility model relates to the technical field of cement conveying, in particular to a cement conveying system.

Background

Nowadays, in DCM cement mixing pile construction, a cement slurry conveying system is a key ring in DCM ship construction process, the system is related to the stability of overall cement slurry conveying and further related to the construction quality of an overall pile foundation, but most DCM cement slurry conveying systems are used for conveying cement slurry to 4 drill bits of a single processor through 4 pipelines and 4 pump machines.

At present, the DCM cement slurry conveying system is a single processor which is conveyed only through 4 pipelines, the upper and lower guniting ports of each drill bit cannot be opened and closed separately, a filter screen structure and an inspection system are not arranged in the pipelines, the on-site maintenance and inspection are difficult, the repair time is long, and the filter screen is not arranged in the pipelines and is easy to cause pipeline blockage.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a cement conveying system, which solves the problems that the repairing time is long and the pipeline is easy to be blocked because no filter screen exists in the pipe.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the cement conveying system comprises a middle storage bin, wherein a bracket is fixedly arranged on the upper side of the middle storage bin, a first speed reducer, a second speed reducer and a third speed reducer are fixedly arranged on the upper side of the bracket, a half-coupling is fixedly arranged on each of the first speed reducer, the second speed reducer and the third speed reducer, an impeller shaft is fixedly arranged on each half-coupling, all the speed reducers drive the impeller shafts to operate through the transmission of the half-coupling so as to realize the stirring function, an evenly distributed impeller body is fixedly arranged on the outer side of each impeller shaft, a fixed pipe is arranged in the middle storage bin, evenly distributed first slurry outlets are fixedly arranged on the lower side of the middle storage bin, the first slurry outlets are designed into a three-way Y shape, a sewage draining outlet is arranged on the side surface of each first slurry outlet, the utility model provides a well storehouse lower part is provided with evenly distributed's second grout outlet, the second grout outlet is installed to the butt clamp pneumatic butterfly valve, and butt clamp pneumatic butterfly valve upper portion pipeline should be as short as possible when the design, first grout outlet and second grout outlet end fixed mounting have the slip casting pump, adopt 8 slip casting pumps, and the slip casting pump requires to get into in the pump impurity particle diameter and does not allow more than 5mm, the suction inlet fixed mounting of slip casting pump has the filter, connects the pipeline design of cabin export to pump filter for internal diameter 60mm, adopts transparent visual pipe simultaneously, slip casting pump opposite side fixed mounting has transfer line, transfer line tip is provided with the last spouting mouth, go up the spouting mouth downside and be provided with down spouting mouth, be provided with the flowmeter on the transfer line, be provided with pressure monitor on the transfer line.

Preferably, the rail is fixedly installed on the support, a ladder stand is fixedly installed outside the rail, the ladder stand is arranged outside the middle storage bin and can be used by field operators through the ladder stand so as to climb to the middle storage bin to check the situation, and the rail can be hand to ensure the safety of the operators.

Preferably, the second grout outlet comprises a first pipeline, the first pipeline is shortened as much as possible and is required to be flush with the bottom of the middle storage bin during welding, cement grout is prevented from being welded with the middle storage bin in the upper part of the butt-clamping pneumatic butterfly valve to the greatest extent, the end of the first pipeline is connected with a second pipeline, the butt-clamping pneumatic butterfly valve is arranged on the second pipeline, and the end of the second pipeline is connected with a third pipeline.

Preferably, the inner diameter of a pipeline at the pumping end of the grouting pump is 76mm, the inner diameter of a discharge pipeline is 49mm, the whole grouting pipe system is divided into a steel pipeline and a rubber pipeline, the hull part is the steel pipeline, and the part following the up-and-down movement of the treatment machine is the rubber pipeline in order to meet the lifting requirement of the treatment machine.

Preferably, the support frame is fixedly arranged on the lower side of the middle storage bin, six groups of support frames are arranged in total, the support frames respectively support the middle storage bin from the lower side of the middle storage bin to a certain extent from six directions, the whole middle storage bin is lifted upwards, a part of space is reserved, and the first pulp outlet and the second pulp outlet on the lower side of the middle storage bin are prevented from being blocked.

Preferably, go up the guniting mouth and be provided with 4, lower guniting mouth is provided with 4, adopts 8 slip casting pumps to supply thick liquid to 8 pipelines respectively, belongs to one-to-one and supplies thick liquid mode, and construction finishes can go up guniting mouth, lower guniting mouth and washs simultaneously, avoids the pipeline jam.

Preferably, 8 grouting pumps are arranged in total, and the 8 pipelines are respectively supplied with slurry. The single processor adopts 8 grouting pumps to respectively feed slurry to 8 pipelines, and belongs to a one-to-one slurry feeding mode.

Preferably, the clamp type pneumatic butterfly valve is arranged at the top position of the second pipeline. The upper pipeline of the butterfly valve should be as short as possible during design, so as to avoid cement slurry precipitation during closing of the butterfly valve.

Preferably, the pipelines from the first slurry outlet and the second slurry outlet to the filter adopt transparent visual pipes.

The utility model provides a cement delivery system. Compared with the prior art, the method has the following beneficial effects:

this cement conveying system through setting up first outlet, second outlet, slip casting pump and filter, can effectively prevent through the filter that the particle diameter exceeds standard foreign matter from getting into, prevents the pipeline jam, supplies thick liquid flow, pressure anomaly be convenient for seek, troubleshoot, and the construction finishes can go up the spouting mouth, wash simultaneously of spouting mouth down, avoids the pipeline jam.

Drawings

FIG. 1 is a schematic view of the structure of a middle cartridge of the present utility model;

FIG. 2 is a side view of a middle cartridge of the present utility model;

FIG. 3 is a cross-sectional view of a middle cartridge of the present utility model;

fig. 4 is a schematic diagram of a cement water pipe system according to the present utility model.

In the figure: 1. a middle storage bin; 2. a first speed reducer; 3. a second speed reducer; 4. a third speed reducer; 5. a bracket; 6. a fixed rod; 7. a first slurry outlet; 8. a second slurry outlet; 801. a first pipeline; 802. a second pipeline; 803. a third pipeline; 9. a butt-clamping pneumatic butterfly valve; 10. a support frame; 11. a sewage outlet; 12. a half coupling; 13. an impeller shaft; 14. railing; 15. climbing the ladder rack; 16. an impeller body; 17. a grouting pump; 18. a transfer line; 19. a spraying port is arranged; 20. a lower guniting port; 21. a filter; 22. a flow meter; 23. a pressure monitor.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: a cement conveying system comprises a middle storage bin 1, wherein a bracket 5 is fixedly arranged on the upper side of the middle storage bin 1, a first speed reducer 2, a second speed reducer 3 and a third speed reducer 4 are fixedly arranged on the upper side of the bracket 5, a half coupling 12 is fixedly arranged on each of the first speed reducer 2, the second speed reducer 3 and the third speed reducer 4, an impeller shaft 13 is fixedly arranged on the half coupling 12, an evenly distributed impeller body 16 is fixedly arranged on the outer side of the impeller shaft 13, the half coupling 12 and the impeller shaft 13 can rotate through the arrangement of the first speed reducer 2, the second speed reducer 3 and the third speed reducer 4, so that the impeller body 16 is driven to rotate, the impeller body 16 can stir slurry at the bottom of the middle storage bin 1 to avoid slurry precipitation, a fixing pipe 6 is arranged on the middle storage bin 1, a evenly distributed first slurry outlet 7 is fixedly arranged on the lower side of the middle storage bin 1, the first slurry outlet 7 is designed into a Y shape, the side surface of the first slurry outlet 7 is provided with a sewage outlet 11, the lower part of the middle storage bin 1 is provided with second slurry outlets 8 which are uniformly distributed, the second slurry outlets 8 are positioned at the left side and the right side of the lower part of the middle storage bin 1, four groups of the second slurry outlets are respectively arranged at the left side and the right side, the second slurry outlets 8 are provided with a butt-clamping pneumatic butterfly valve 9, in order to prevent cement slurry from depositing into a pipeline welded with a cabin at the upper part of the butterfly valve when the butterfly valve is closed to the greatest extent, the pipeline at the upper part of the butterfly valve is designed to be as short as possible, the tail ends of the first slurry outlet 7 and the second slurry outlet 8 are fixedly provided with a grouting pump 17, the suction inlet of the grouting pump 17 is fixedly provided with a filter 21 which effectively prevents foreign matters with exceeding particle sizes from entering, in order to effectively increase the flow velocity of the inlet pipeline of the grouting pump, and prevent cement slurry from depositing in the inlet pipeline, the pipeline design of first outlet 7 and second outlet 8 (connecting cabin export) to filter 21 is 60mm for the internal diameter, adopts transparent visual pipe simultaneously, is convenient for observe whether the pipeline is inside to deposit, and filter 21 can effectively prevent that the particle diameter from exceeding the foreign matter entering, prevents the pipeline jam, and grouting pump 17 opposite side fixed mounting has transfer line 18, and transfer line 18 tip is provided with the last guniting mouth 19, goes up the guniting mouth 19 downside and is provided with down guniting mouth 20, is provided with flowmeter 22 on the transfer line 18, is provided with pressure monitor 23 on the transfer line 18.

The rail 14 is fixedly mounted on the upper side of the bracket 5, the ladder stand 15 is fixedly mounted on the outer side of the rail 14, the ladder stand 15 is arranged on the outer side of the middle storage bin 1, the second slurry outlet 8 is designed into a three-way Y shape, the second slurry outlet 8 comprises a first pipeline 801, the first pipeline 801 is shortened as far as possible and is required to be flush with the bottom of the middle storage bin when being welded, cement slurry is prevented from being managed by welding the upper part of the butt-clamping pneumatic butterfly valve 9 and the middle storage bin 1 to the greatest extent, the tail end of the first pipeline 801 is connected with a second pipeline 802, the tail end of the second pipeline 802 is connected with a third pipeline 803, the inner diameter of a pipeline at the suction end of the grouting pump 17 is 76mm, the inner diameter of the discharge pipeline is 49mm, the bracket 10 is fixedly mounted on the lower side of the middle storage bin 1, six groups of the bracket 10 are arranged altogether, the upper slurry outlet 19 is provided with 4, the lower slurry outlet 20 is provided with 4 slurry conveying pipe systems, the steel pipeline and the rubber pipeline is arranged at the hull part, and the following up-down movement part of the processor is the rubber pipeline for meeting the lifting requirement of the processor.

During operation, after the cement paste is stirred, the cement paste is pumped into the conveying pipeline through the grouting pump 17 by the cement paste conveying system, the cement paste passes through the filter 21 of the system before the pumping pipeline and is filtered by a larger magazine, the slurry passes through the flowmeter 22 and the pressure monitor 23, the operator observes whether abnormal alarming occurs on the flowmeter 22 and the pressure monitor 23 at the operation desk, the operator continuously operates the grouting pump 17 after no abnormality is found, and then the cement paste is conveyed to the grouting port of the DCM ship processor through the slurry conveying pipeline 18, after the DCM ship is constructed, the operator converts the pumped cement paste into clear water, the pumped clear water through the grouting pump 17 ejects the cement paste in the conveying pipeline 18, and then residues of the cement paste are avoided, through setting the first grouting port 7, the second grouting port 8, the grouting pump 17 and the filter 21, foreign matters with the particle size exceeding standards can be effectively prevented from entering through the filter 21, the pipeline is prevented from blocking, the single-stage grouting pump is used for respectively supplying slurry to 8 pipelines in a one-to-one slurry supplying mode, the slurry supplying flow rate and the abnormal pressure is convenient for finding out and removing faults, the construction can be conveniently used for cleaning the butterfly valve, and the filter can be conveniently connected to the filter is prevented from being connected to the filter 21 when the filter is designed to the filter cabin when the filter is completely blocked, and the filter is designed to be convenient for cleaning the filter cabin and the filter is completely and the filter is convenient to be completely closed. According to the cement conveying system, the first speed reducer, the second speed reducer, the third speed reducer, the half coupling and the impeller shaft are arranged, so that the half coupling and the impeller shaft can rotate, the impeller body is driven to rotate, the impeller body can stir slurry at the bottom of the centering storage bin, and slurry precipitation is avoided.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims

1. A cement delivery system comprising a central storage bin (1), characterized in that: the utility model discloses a sewage pump, including well warehouse (1) upside fixed mounting has support (5), support (5) upside fixed mounting has first speed reducer (2), second speed reducer (3), third speed reducer (4), first speed reducer (2), second speed reducer (3) and third speed reducer (4) all fixed mounting have half shaft coupling (12), half shaft coupling (12) fixed mounting has impeller shaft (13), impeller shaft (13) outside fixed mounting has evenly distributed impeller body (16), well warehouse (1) are provided with fixed pipe (6), well warehouse (1) downside fixed mounting has evenly distributed first grout outlet (7), and first grout outlet (7) are tee bend "Y" font, first grout outlet (7) side is provided with opening (11), well warehouse (1) lower part is provided with evenly distributed's second grout outlet (8), second grout outlet (8) are installed to clamp formula (9), first grout outlet (7) and second grout outlet (17) are installed to the suction inlet (17), the utility model discloses a pipeline, including pipeline (18), pipeline (18) tip is provided with and spouts thick liquid mouth (19), go up the downside of spouting thick liquid mouth (19) and be provided with down spouting thick liquid mouth (20), be provided with flowmeter (22) on pipeline (18), be provided with pressure monitor (23) on pipeline (18).

2. A cement delivery system according to claim 1, wherein: the novel ladder rack is characterized in that a railing (14) is fixedly installed on the support (5), a ladder rack (15) is fixedly installed outside the railing (14), and the ladder rack (15) is arranged on the outer side of the middle storage bin (1).

3. A cement delivery system according to claim 1, wherein: the second slurry outlet (8) comprises a first pipeline (801), the tail end of the first pipeline (801) is connected with a second pipeline (802), the butt-clamping pneumatic butterfly valve (9) is arranged on the second pipeline (802), and the tail end of the second pipeline (802) is connected with a third pipeline (803).

4. A cement delivery system according to claim 1, wherein: the inner diameter of a pipeline at the suction end of the grouting pump (17) is 76mm, and the inner diameter of a pipeline at the discharge end is 49mm.

5. A cement delivery system according to claim 1, wherein: the lower side of the middle storage bin (1) is fixedly provided with a supporting frame (10), and the supporting frame (10) is provided with six groups in total.

6. A cement delivery system according to claim 1, wherein: the upper guniting ports (19) are 4, and the lower guniting ports (20) are 4.

7. A cement delivery system as claimed in claim 6, wherein: the grouting pump (17) is provided with 8 pipelines, and the 8 pipelines are respectively supplied with slurry.

8. A cement delivery system according to claim 3, wherein: the clamping type pneumatic butterfly valve (9) is arranged at the top position of the second pipeline (802).

9. A cement delivery system according to claim 1, wherein: the pipelines from the first slurry outlet (7) and the second slurry outlet (8) to the filter (21) adopt transparent visible pipes.