CN204299925U - For the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin in a kind of butyl acrylate production - Google Patents
For the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin in a kind of butyl acrylate production Download PDFInfo
- Publication number
- CN204299925U CN204299925U CN201420728865.5U CN201420728865U CN204299925U CN 204299925 U CN204299925 U CN 204299925U CN 201420728865 U CN201420728865 U CN 201420728865U CN 204299925 U CN204299925 U CN 204299925U
- Authority
- CN
- China
- Prior art keywords
- pump
- surge tank
- wastewater disposal
- disposal basin
- pipeline opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 239000011521 glass Substances 0.000 claims abstract description 8
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 11
- 230000037452 priming Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses the submerged centrifugal pump for reload buffer tank before the water pump of wastewater disposal basin in the production of a kind of butyl acrylate, comprise pump case, the impeller be located in pump case, pump shaft and the suction line be located at outside pump case and export pipeline, surge tank is connected and installed with before the pump of pump case, the bottom sides of surge tank is provided with the first pipeline opening and second pipe mouth, first pipeline opening connects the suction line of pump case, and second pipe mouth is used for the emptying of surge tank; Described surge tank top-side is provided with the 3rd, the 3rd and the 5th pipeline opening, and the 3rd pipeline opening is connected with the pipeline of wastewater disposal basin, and the 4th pipeline opening is connected with water supply pipe, and the 5th pipeline opening is provided with flange and is connected with atmospheric pressure; Be provided with glass visor in the 3rd described pipeline opening, in surge tank, be provided with vertical filter screen.This submerged centrifugal pump solves the problem due to the polymer blocking inlet tube gaily decorated basket in waste water and cavitation in prior art.
Description
Technical field
The utility model relates to a kind of technical field of submerged centrifugal pump, particularly relates to the submerged centrifugal pump for reload buffer tank before the water pump of wastewater disposal basin in the production of a kind of butyl acrylate.
Background technology
Centrifugal pump a kind ofly carries liquid and improve the machine of fluid pressure, as a kind of convey materials rotating machinery, the Chemical Manufacture that centrifugal pump is stronger to continuity has particularly important.But due to the various different character of chemical raw material, common centrifugal pump can there will be various problem in chemical process, in order to adapt to chemical industry production requirement, needs to transform centrifugal pump.Why centrifugal pump can be seen water off is effect due to centrifugal force.Centrifugal pump is before work, and the pump housing and the necessary tank full water of water inlet pipe, when impeller quick rotation, blade impels water fast rotational, and the water be rotating flies under the influence of centrifugal force from impeller, and after the water in pump is dished out, the core of impeller forms vacuum area.The water at water source has been pressed onto in water inlet pipe by the oral siphon gaily decorated basket bottom wastewater disposal basin under the effect of atmospheric pressure or hydraulic pressure.Such circulation endlessly, just can realize continuous pumpage.But the material be easily polymerized containing acrylic acid or butyl acrylate etc. in the waste water produced in the process that butyl acrylate is produced, make in wastewater disposal basin, often have gelatinous high polymer to block the gaily decorated basket, hinder the water inlet of centrifugal pump, and the gaily decorated basket at inlet tube place cleaning trouble.Secondly, because the position of centrifugal pump is higher than wastewater disposal basin, when carrying out pump priming before turn on pump, water can be filled to centrifugal pump and inlet tube simultaneously, but because the gaily decorated basket is by polymer blocking, the effect of non-return has declined mistake, and inlet tube is difficult to fill, and therefore centrifugal pump easily produces cavitation.The destruction of cavitation to centrifugal pump is huge, on safe operation and generation in the service life impact greatly of centrifugal pump; Meanwhile, cavitation makes the power conversion between impeller and fluid suffer serious interference, and pump performance is declined, and liquid stream can be made time serious to interrupt working.
Summary of the invention
The purpose of this utility model is the shortcoming in order to overcome above-mentioned prior art, for the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin in providing a kind of butyl acrylate to produce, this submerged centrifugal pump solves the problem due to the polymer blocking inlet tube gaily decorated basket in waste water and cavitation in prior art.
The utility model solves the technical scheme that its technical problem adopts: a kind of butyl acrylate produce in for the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin, comprise pump case, the impeller be located in pump case, pump shaft and the suction line be located at outside pump case and export pipeline, surge tank is connected and installed with before the pump of pump case, the bottom sides of surge tank is provided with the first pipeline opening and second pipe mouth, first pipeline opening connects the suction line of pump case, and second pipe mouth is used for the emptying of surge tank; Described surge tank top-side is provided with the 3rd, the 3rd and the 5th pipeline opening, and the 3rd pipeline opening is connected with the pipeline of wastewater disposal basin, and the 4th pipeline opening is connected with water supply pipe, and the 5th pipeline opening is provided with flange and is connected with atmospheric pressure; Be provided with glass visor in the 3rd described pipeline opening, in surge tank, be provided with vertical filter screen.One is installed additional for storing the surge tank of liquid before the pump of this liquid level centrifugal pump, running water enters in surge tank, running water enters into submerged centrifugal pump from the bottom of surge tank and carries out pump priming, there are flowing out when seeing from the glass visor of the 3rd pipeline opening be connected with wastewater disposal basin, prove that submerged centrifugal pump and surge tank are filled, can carry out cushioning and filtering at surge tank before the waste water of wastewater disposal basin enters into pump, even if draw up in the waste water come containing portion gas or polymer, liquid level centrifugal pump also can normally work, effectively solve the cavitation of liquid level centrifugal pump generation and the gaily decorated basket obstructing problem at the bottom of wastewater disposal basin.
Further, the top of described surge tank is higher than the top of pump case.
Further, the waterwater entrance that described vertical filter screen height is arranged lower than surge tank top, the top of vertical filter screen is the open architecture entered for waste water, the wire netting that the bottom of vertical filter screen and side are provided with for filtering engages sealing, and the top of vertical filter screen is provided with for the convenient handle proposing and clear up.
Further, the surge tank volume below the waterwater entrance setting position of surge tank is 5 times that connect piping volume bottom waterwater entrance to wastewater disposal basin.
Further, described second pipe is connected with the inlet duct of waste water, and second pipe and waste pipe are in same vertical line.
Further, described surge tank top is provided with top cover, and top cover carries out sealing by pad and screw and surge tank and installs.
In sum, submerged centrifugal pump of the present utility model is equipped with surge tank before pump intake piping, this surge tank can store running water, and because surge tank is higher than the height of submerged centrifugal pump, when can observe from the glass visor of the waterwater entrance of surge tank there are flowing out time just illustrate that surge tank and submerged centrifugal pump are filled, and the volume due to surge tank equals 5 times of waste pipe volume, waste water needs before entering submerged centrifugal pump to cushion through surge tank, even if draw up in the waste water come containing gas, also can be separated in surge tank, gas escapes into the top of surge tank, the bottom that water stays surge tank is extracted out by submerged centrifugal pump.Can effectively solve like this due to waterwater entrance pipeline contain gas and turn on pump before the not enough and cavitation erosion problem that causes of pump priming.Secondly, surge tank is built with vertical filter screen, and the check-valves of the porch of waste pipe bottom wastewater disposal basin or the gaily decorated basket are removed, and the gelatinous polymer in waste water can be pumped in surge tank and carry out Separation of Solid and Liquid, and can not block waste pipe.
Accompanying drawing explanation
Fig. 1 is the structural representation for the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin during the butyl acrylate of the utility model embodiment 1 is produced.
Detailed description of the invention
Embodiment 1
For the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin in a kind of butyl acrylate production described by the present embodiment 1, as shown in Figure 1, comprise pump case 1, the impeller be located in pump case, pump shaft and the suction line be located at outside pump case and export pipeline, surge tank 2 is connected and installed with before the pump of pump case, the bottom sides of surge tank is provided with the first pipeline opening 3 and second pipe mouth 4, first pipeline opening connects the suction line of pump case, and second pipe mouth is used for the emptying of surge tank; Described surge tank top-side is provided with the 3rd pipeline opening 5, the 4th pipeline opening 6 and the 5th pipeline opening the 7, three pipeline opening and is connected with the pipeline of wastewater disposal basin, and the 4th pipeline opening is connected with water supply pipe, and the 5th pipeline opening is provided with flange and is connected with atmospheric pressure; Be provided with glass visor 14 in the 3rd described pipeline opening, in surge tank, be provided with vertical filter screen 8.One is installed additional for storing the surge tank of liquid before the pump of this liquid level centrifugal pump, running water enters in surge tank, running water enters into submerged centrifugal pump from the bottom of surge tank and carries out pump priming, there are flowing out when seeing from the glass visor of the 3rd pipeline opening be connected with wastewater disposal basin, prove that submerged centrifugal pump and surge tank are filled, can carry out cushioning and filtering at surge tank before the waste water of wastewater disposal basin enters into pump, even if draw up in the waste water come containing portion gas or polymer, liquid level centrifugal pump also can normally work, effectively solve the cavitation of liquid level centrifugal pump generation and the gaily decorated basket obstructing problem at the bottom of wastewater disposal basin.
The top of this surge tank is higher than the top of pump case.The waterwater entrance that vertical filter screen height is arranged lower than surge tank top, the top of vertical filter screen is the open architecture entered for waste water, the wire netting 9 that the bottom of vertical filter screen and side are provided with for filtering engages sealing, and the top of vertical filter screen is provided with for the convenient handle 10 proposing and clear up.Surge tank volume below the waterwater entrance setting position of surge tank is 5 times of the piping volume bottom connection waterwater entrance to wastewater disposal basin.Second pipe is connected with the inlet duct of waste water, and second pipe and waste pipe are in same vertical line.Surge tank top is provided with top cover 11, and top cover carries out sealing by pad 12 and screw 13 with surge tank and installs.
Second pipe mouth and the 3rd pipeline opening are closed, running water enters into surge tank from the 4th pipeline opening, when can observe from the glass visor of the 3rd pipeline opening current process time just illustrate that surge tank and submerged centrifugal pump are filled, close the 4th pipeline opening, open submerged centrifugal pump, open the outlet valve of submerged centrifugal pump, water in surge tank is extracted out surge tank by submerged centrifugal pump, along with the loss of the water in surge tank, surge tank and will negative pressure state be in the pipeline of wastewater disposal basin, waste water in wastewater disposal basin will upwards be pressed by waste pipe by atmospheric pressure, continue to be extracted out by submerged centrifugal pump until waste water is pressed into after in surge tank, such waste water just can continuously be drawn out of.If draw up containing gas in the waste water come, also can be separated in surge tank, gas escapes into the top of surge tank, and the bottom that water stays surge tank is extracted out by submerged centrifugal pump.Simultaneously, the solids such as the polymer in waste water also can be partially withdrawn from wastewater disposal basin, because waste pipe is larger, pipeline can not be blocked, and can be filtered in the vertical filter screen in surge tank, when the waste water in wastewater disposal basin is extracted complete, submerged centrifugal pump can be closed, open second pipe mouth and the 5th pipeline opening of surge tank, water in surge tank will flow back into the wastewater disposal basin of low level in the surge tank of a high position, now can unclamp the coping screw of surge tank, take top cover apart, the vertical filter screen in surge tank is taken out cleaning.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to structure of the present utility model.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.
Claims (6)
1. a butyl acrylate produce in for the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin, comprise pump case, the impeller be located in pump case, pump shaft and the suction line be located at outside pump case and export pipeline, it is characterized in that, surge tank is connected and installed with before the pump of pump case, the bottom sides of surge tank is provided with the first pipeline opening and second pipe mouth, first pipeline opening connects the suction line of pump case, and second pipe mouth is used for the emptying of surge tank; Described surge tank top-side is provided with the 3rd, the 3rd and the 5th pipeline opening, and the 3rd pipeline opening is connected with the pipeline of wastewater disposal basin, and the 4th pipeline opening is connected with water supply pipe, and the 5th pipeline opening is provided with flange and is connected with atmospheric pressure; Be provided with glass visor in the 3rd described pipeline opening, in surge tank, be provided with vertical filter screen.
2. a kind of butyl acrylate according to claim 1 produce in for the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin, it is characterized in that, the top of described surge tank is higher than the top of pump case.
3. a kind of butyl acrylate according to claim 1 produce in for the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin, it is characterized in that, the waterwater entrance that described vertical filter screen height is arranged lower than surge tank top, the top of vertical filter screen is the open architecture entered for waste water, the wire netting that the bottom of vertical filter screen and side are provided with for filtering engages sealing, and the top of vertical filter screen is provided with for the convenient handle proposing and clear up.
4. a kind of butyl acrylate according to claim 1 produce in for the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin, it is characterized in that, the surge tank volume below the waterwater entrance setting position of surge tank is 5 times of the piping volume bottom connection waterwater entrance to wastewater disposal basin.
5. a kind of butyl acrylate according to claim 1 produce in for the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin, it is characterized in that, described second pipe is connected with the inlet duct of waste water, and second pipe and waste pipe are in same vertical line.
6. a kind of butyl acrylate according to claim 1 produce in for the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin, it is characterized in that, described surge tank top is provided with top cover, and top cover carries out sealing by pad and screw and surge tank and installs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420728865.5U CN204299925U (en) | 2014-11-28 | 2014-11-28 | For the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin in a kind of butyl acrylate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420728865.5U CN204299925U (en) | 2014-11-28 | 2014-11-28 | For the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin in a kind of butyl acrylate production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204299925U true CN204299925U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420728865.5U Expired - Fee Related CN204299925U (en) | 2014-11-28 | 2014-11-28 | For the submerged centrifugal pump of reload buffer tank before the water pump of wastewater disposal basin in a kind of butyl acrylate production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204299925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564770A (en) * | 2014-11-28 | 2015-04-29 | 江门谦信化工发展有限公司 | Submersible centrifugal pump for adding buffer tank in front of water pump of waste disposal basin in butyl acrylate production |
-
2014
- 2014-11-28 CN CN201420728865.5U patent/CN204299925U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564770A (en) * | 2014-11-28 | 2015-04-29 | 江门谦信化工发展有限公司 | Submersible centrifugal pump for adding buffer tank in front of water pump of waste disposal basin in butyl acrylate production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |