CN215636563U - Device for preventing slurry backup pump from deposition and blockage - Google Patents
Device for preventing slurry backup pump from deposition and blockage Download PDFInfo
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- CN215636563U CN215636563U CN202121973050.XU CN202121973050U CN215636563U CN 215636563 U CN215636563 U CN 215636563U CN 202121973050 U CN202121973050 U CN 202121973050U CN 215636563 U CN215636563 U CN 215636563U
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Abstract
The utility model discloses a device for preventing a slurry backup pump from being deposited and blocked, and belongs to the technical field of chemical fluid conveying. The device for preventing the deposition and blockage of the slurry standby pump comprises an online pump and the standby pump, wherein a first input unit and a first output unit are arranged on the online pump, a second input unit and a second output unit are arranged on the standby pump, a third conveying unit is connected between the first output unit and the second input unit, and a fourth conveying unit is arranged between the second output unit and the first input unit. The device for preventing the deposition and blockage of the slurry standby pump can greatly ensure that the fluid in the pipeline of the standby pump is fully circulated, and effectively prevents the deposition of the pipeline of the standby pump; in addition, this device that prevention mud stand-by pump deposit was blockked up moves the back, and the stand-by pump can start at any time, can effectively avoid when the proruption situation appearing arousing the parking accident because of pump priming exhaust time is long to take place.
Description
Technical Field
The utility model relates to the technical field of chemical fluid conveying, in particular to a device for preventing a slurry backup pump from being deposited and blocked.
Background
In the field of the existing chemical fluid conveying equipment, fluids with high viscosity such as slurry and the like generally need to be conveyed, and the conveying equipment mostly adopts a standby online use arrangement mode. The arrangement mode can effectively avoid the problem that the production system is shut down due to the fact that online equipment has problems, but the standby pump has the risk that the pipeline is blocked by fluid deposition due to long switching period, once the deposition blockage of the standby pump is not found, the standby pump cannot be started again, and the system is shut down in a short time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the backup pump blocks a pipeline due to the fact that the switching period is long, so that the device for preventing the backup pump from being blocked by deposition is provided, and the deposition of the backup pump pipeline is effectively prevented.
The utility model solves the problems and adopts the technical scheme that:
the utility model provides a device that prevention mud stand-by pump deposit was blockked up, includes online pump and stand-by pump, is equipped with first input unit and first output unit on the online pump, is equipped with second input unit and second output unit on the stand-by pump, is connected with the third between first output unit and the second input unit and carries the unit, is equipped with the fourth between second output unit and the first input unit and carries the unit.
Compared with the prior art, the utility model adopting the technical scheme has the outstanding characteristics that:
the utility model provides a device for preventing a slurry backup pump from being deposited and blocked, which is characterized in that a plurality of conveying pipelines and valves are arranged between an online pump and a backup pump, and a centrifugal pump outlet pipeline circulation mode is adopted, so that the device is different from a traditional direct material pressing mode, fluid in a backup pump pipeline can be greatly circulated, and the deposition of the backup pump pipeline is effectively prevented; in addition, materials in the standby pump need to be fully discharged when the standby pump is in a traditional mode, and the standby pump needs to be refilled for exhausting when the standby pump needs to be started in an emergency situation.
Preferably, the further technical scheme of the utility model is as follows:
the first input unit comprises a first input pipeline and a fifth valve arranged on the first input pipeline, one end of the first input pipeline is connected with the liquid storage tank, and the other end of the first input pipeline is connected with an inlet of the online pump.
The first output unit comprises a first output pipeline and a sixth valve arranged on the first output pipeline, one end of the first output pipeline is connected with an outlet of the on-line pump, and the other end of the first output pipeline is connected with the recovery tank.
The second input unit comprises a second input pipeline and a seventh valve arranged on the second input pipeline, one end of the second input pipeline is connected with the liquid storage tank, and the other end of the second input pipeline is connected with an inlet of the standby pump.
The second conveying unit comprises a second output pipeline and an eighth valve arranged on the second output pipeline, one end of the second output pipeline is connected with an outlet of the standby pump, and the other end of the second output pipeline is connected with the recovery tank after being connected with the first output pipeline in series.
The third conveying unit comprises a third conveying pipeline, a first valve and a second valve, wherein the first valve and the second valve are arranged on the third conveying pipeline, one end of the third conveying pipeline is connected with the first output pipeline, and the other end of the third conveying pipeline is connected with the second input pipeline.
The fourth conveying unit comprises a fourth conveying pipeline, a third valve and a fourth valve, wherein the third valve and the fourth valve are arranged on the fourth conveying pipeline, one end of the fourth conveying pipeline is connected with the second output pipeline, and the other end of the fourth conveying pipeline is connected with the first input pipeline.
Drawings
FIG. 1 is a schematic structural diagram of the device for preventing sediment blockage of the slurry backup pump.
Labeled as: 1. an online pump; 2. a backup pump 3, a first input pipeline; 4. a fifth valve; 5. a liquid storage tank; a first output duct; 7. a sixth valve; 8. a recovery tank; a second input conduit; 10. a seventh valve; 11. a second output conduit; 12. an eighth valve; 13 a third delivery conduit; 14. a first valve; 15 a second valve; 16. a fourth delivery conduit; a third valve; 18. and a fourth valve.
Detailed Description
The utility model will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the utility model.
FIG. 1 shows a schematic structural view of the device for preventing the sediment of a slurry backup pump from being blocked according to the utility model; a device for preventing deposition and blockage of a slurry backup pump is shown in figure 1 and comprises an online pump 1 and a backup pump 2, wherein the online pump 1 and the backup pump 2 are centrifugal pumps. The online pump 1 is provided with a first input unit and a first output unit, the standby pump 2 is provided with a second input unit and a second output unit, a third conveying unit is connected between the first output unit and the second input unit, and a fourth conveying unit is arranged between the second output unit and the first input unit.
Wherein: the first input unit comprises a first input pipeline 3 and a fifth valve 4 arranged on the first input pipeline 3, one end of the first input pipeline 3 is connected with the liquid storage tank 5, and the other end of the first input pipeline 3 is connected with an inlet of the online pump 1. The first output unit comprises a first output pipeline 6 and a sixth valve 7 arranged on the first output pipeline 6, one end of the first output pipeline 6 is connected with an outlet of the online pump 1, and the other end of the first output pipeline is connected with a recovery tank 8. The second input unit comprises a second input pipeline 9 and a seventh valve 10 arranged on the second input pipeline 9, one end of the second input pipeline is connected with the liquid storage tank 8, and the other end of the second input pipeline is connected with an inlet of the standby pump 2. The second conveying unit comprises a second output pipeline 11 and an eighth valve 12 arranged on the second output pipeline, one end of the second output pipeline 11 is connected with an outlet of the standby pump 2, and the other end of the second output pipeline is connected with the recovery tank 8. The second output pipeline 11 and the first output pipeline 6 are connected in series and then connected with the recovery tank 8.
The third delivery unit comprises a third delivery pipe 13, and a first valve 14 and a second valve 15 which are arranged on the third delivery pipe 13, wherein one end of the third delivery pipe 13 is connected with the first output pipe 6, and the other end is connected with the second input pipe 9. The first valve 14 is a shut-off valve.
The fourth conveying unit comprises a fourth conveying pipeline 16, and a third valve 17 and a fourth valve 18 which are arranged on the fourth conveying pipeline 16, wherein one end of the fourth conveying pipeline 16 is connected with the second output pipeline 11, and the other end of the fourth conveying pipeline is connected with the first input pipeline 3.
The use method of the device for preventing the sediment blockage of the slurry backup pump comprises the following steps:
s1, after the sixth valve 7 on the first output pipeline 6 is completely closed and the fifth valve 4 on the first input pipeline 3 is completely opened, the online pump 1 is started;
s2, after the linear pump 1 is normally started, slowly opening the sixth valve 7 on the first output pipeline 6;
s3, confirming that the seventh valve 10 on the second input pipe 9 and the eighth valve 12 on the second output pipe are completely closed;
s4, opening the first valve 14, the second valve 15 and the third valve 17 in sequence, and then slowly opening the fourth valve 18;
s5, the standby pump 2 can be normally standby after the operation of the on-line pump 1 is stable
In addition, the standby pump 2 can be started immediately if the operation of the online pump 1 is in trouble or reaches a normal switching period; the shortest distance between the serial points of the sixth valve 7 and the eighth valve 12 and the second output pipeline 11 and the first output pipeline 6 can effectively prevent the slurry deposition from being blocked.
The device for preventing the deposition blockage of the slurry standby pump adopts a centrifugal pump outlet pipeline circulation mode, is different from a traditional direct material pressing mode, can greatly enable fluid in the standby pump pipeline to fully circulate, and effectively prevents the deposition of the standby pump pipeline; in addition, materials in the standby pump need to be fully discharged when the standby pump is in a traditional mode, and the standby pump needs to be refilled for exhausting when the standby pump needs to be started in an emergency situation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (7)
1. The device for preventing the deposition and blockage of the slurry standby pump is characterized by comprising an online pump and a standby pump, wherein a first input unit and a first output unit are arranged on the online pump, a second input unit and a second output unit are arranged on the standby pump, a third conveying unit is connected between the first output unit and the second input unit, and a fourth conveying unit is arranged between the second output unit and the first input unit.
2. The apparatus of claim 1, wherein the first input unit comprises a first input pipe and a fifth valve disposed on the first input pipe, one end of the first input pipe is connected to the reservoir, and the other end of the first input pipe is connected to the inlet of the in-line pump.
3. The apparatus of claim 2, wherein the first output unit comprises a first output pipeline and a sixth valve disposed on the first output pipeline, one end of the first output pipeline is connected to the outlet of the on-line pump, and the other end of the first output pipeline is connected to the recovery tank.
4. The apparatus of claim 3, wherein the second input unit comprises a second input pipe and a seventh valve disposed on the second input pipe, one end of the second input pipe is connected to the inlet of the backup pump, and the other end of the second input pipe is connected to the reservoir.
5. The device for preventing the sediment blockage of the slurry backup pump according to claim 4, wherein the second conveying unit comprises a second output pipeline and an eighth valve arranged on the second output pipeline, one end of the second output pipeline is connected with an outlet of the backup pump, and the other end of the second output pipeline is connected with the recovery tank after being connected with the first output pipeline in series.
6. The device for preventing the sediment blockage of the slurry backup pump according to claim 5, wherein the third conveying unit comprises a third conveying pipeline and a first valve and a second valve which are arranged on the third conveying pipeline, one end of the third conveying pipeline is connected with the first output pipeline, and the other end of the third conveying pipeline is connected with the second input pipeline.
7. The device for preventing the sediment blockage of the slurry backup pump according to claim 6, wherein the fourth conveying unit comprises a fourth conveying pipeline, and a third valve and a fourth valve which are arranged on the fourth conveying pipeline, one end of the fourth conveying pipeline is connected with the second output pipeline, and the other end of the fourth conveying pipeline is connected with the first input pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121973050.XU CN215636563U (en) | 2021-08-22 | 2021-08-22 | Device for preventing slurry backup pump from deposition and blockage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121973050.XU CN215636563U (en) | 2021-08-22 | 2021-08-22 | Device for preventing slurry backup pump from deposition and blockage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215636563U true CN215636563U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121973050.XU Active CN215636563U (en) | 2021-08-22 | 2021-08-22 | Device for preventing slurry backup pump from deposition and blockage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215636563U (en) |
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2021
- 2021-08-22 CN CN202121973050.XU patent/CN215636563U/en active Active
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