CN214319357U - Device for separating PVC resin entrained in mother liquor water - Google Patents
Device for separating PVC resin entrained in mother liquor water Download PDFInfo
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- CN214319357U CN214319357U CN202022434290.4U CN202022434290U CN214319357U CN 214319357 U CN214319357 U CN 214319357U CN 202022434290 U CN202022434290 U CN 202022434290U CN 214319357 U CN214319357 U CN 214319357U
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Abstract
The utility model relates to a centrifugal drying workshop section aftertreatment technical field in polyvinyl chloride production is a device of PVC resin secretly in separation mother liquor aquatic, and it includes roller filter, delivery pump and thick liquids collecting vat, and feed liquor end intercommunication at roller filter has the mother liquor water pipe, has out the resin pipeline at roller filter's discharge end and the feed end intercommunication of thick liquids collecting vat, and lower part liquid outlet intercommunication at roller filter has the drain pipe. The utility model has reasonable and compact structure and convenient use, after the roller filter filters the resin in the mother liquor, the solid content of the mother liquor obtained by filtering is below 0.01 percent, thereby effectively solving the problem of larger solid content of the centrifugal mother liquor, simultaneously enabling the resin to be repeatedly utilized, avoiding the workload of manual material digging and loading, lightening the labor intensity of workers, and also solving the current situation that the cleaned accumulated material is difficult to stack and is inconvenient for on-site environmental management; and the utility model discloses the running cost of equipment is lower.
Description
Technical Field
The utility model relates to a centrifugal drying workshop section aftertreatment technical field in the polyvinyl chloride production is a device of smuggleing PVC resin secretly in separation mother liquor aquatic.
Background
In a centrifugal drying section in the existing polyvinyl chloride production process, after solid-liquid separation of slurry by a centrifuge in a drying process, subsequent drying treatment is carried out on a solid phase, and a liquid phase (centrifugal mother liquor) is conveyed to a centrifugal mother liquor pool. When the centrifuge is used for solid-liquid phase separation, 100% separation cannot be achieved, the solid content of mother liquor is 0.04-0.06% (mass percentage), so that trace resin is brought into the mother liquor, the mother liquor is delivered out after three-stage sedimentation is carried out in the mother liquor pool, a workshop is required to clean accumulated materials (namely, the resin carried in the mother liquor) in the mother liquor pool every year, a large amount of manpower and material resources are consumed, the labor intensity of workers is high, and meanwhile, the problem of stacking of the cleaned accumulated materials is also a big problem and is not beneficial to field environment management. The mother liquor pool needs to be cleaned once every year, about 50t of waste materials are cleaned, construction machinery cost is added, and the production cost consumed by the whole pool is about 15.25 ten thousand yuan per year.
Disclosure of Invention
The utility model provides a device of PVC resin is smugglied secretly in separation mother liquor aquatic has overcome above-mentioned prior art not enough, and it can effectively solve the resin back that current settlement separation mother liquor water smuggled secretly, clears up the resin and need consume the problem of a large amount of manpowers and material resources.
The technical scheme of the utility model is realized through following measure: the utility model provides a device of PVC resin is smugglied secretly in separation mother liquor aquatic, includes roller filter, delivery pump and thick liquids collecting vat, and the feed liquor end intercommunication at roller filter has the mother liquor water pipe, and the feed end intercommunication at roller filter's discharge end and thick liquids collecting vat has out the resin pipeline, and the lower part liquid outlet intercommunication at roller filter has the drain pipe, and the thick liquids end that advances of delivery pump communicates through advancing the thick liquids pipe with the thick liquids collecting vat, and the play thick liquids end intercommunication of delivery pump has out the thick liquids pipe.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the slurry outlet pipe is fixedly communicated with a three-way valve, and a third port of the three-way valve is communicated with a first slurry inlet end of the slurry collecting tank through a first slurry standby pipe.
The slurry outlet pipe extends out of the slurry outlet end of the slurry collecting tank, a connecting pipe is communicated between the slurry outlet pipe between the three-way valve and the slurry outlet end of the slurry collecting tank and the mother liquid water pipe, the slurry outlet pipe between the connecting pipe and the slurry outlet end of the slurry collecting tank is communicated with the second slurry inlet end of the slurry collecting tank through a second slurry standby pipe, and valves are fixedly mounted on the connecting pipe and the second slurry standby pipe.
A valve and a pressure monitoring instrument are fixedly arranged on the slurry outlet pipe between the second slurry standby pipe and the slurry outlet end of the slurry collecting tank; and a liquid level monitoring instrument is arranged on the slurry collecting tank.
The right end flushing port of the drum filter is fixedly communicated with a flushing pipe, the water inlet end of the flushing pipe is fixedly communicated with at least one flushing water branch pipe, each flushing water branch pipe is fixedly communicated with a flushing water shunt pipe, and valves are fixedly mounted on the flushing pipe and the flushing water shunt pipes respectively.
The mesh number of the filter screens in the roller filter is 200 meshes; the power input end of the roller filter is connected with a driving mechanism.
The driving mechanism adopts a motor.
The utility model has reasonable and compact structure and convenient use, after the roller filter filters the resin in the mother liquor, the solid content of the mother liquor obtained by filtering is below 0.01 percent, thereby effectively solving the problem of larger solid content of the centrifugal mother liquor, simultaneously enabling the resin to be repeatedly utilized, avoiding the workload of manual material digging and loading, lightening the labor intensity of workers, and also solving the current situation that the cleaned accumulated material is difficult to stack and is inconvenient for on-site environmental management; and the utility model discloses the running cost of equipment is lower.
Drawings
FIG. 1 is a schematic process flow diagram of the preferred embodiment of the present invention.
The codes in the figures are respectively: 1 is drum filter, 2 is the delivery pump, 3 is the thick liquids collecting vat, 4 is the mother liquor water pipe, 5 is for going out the resin pipe, 6 is the drain pipe, 7 is for advancing the thick liquids pipe, 8 is for going out the thick liquids pipe, 9 is the three-way valve, 10 is first thick liquids stand-by pipe, 11 is the play thick liquids end of thick liquids collecting vat, 12 is the connecting pipe, 13 is second thick liquids stand-by pipe, 14 is the valve, 15 is the pressure monitoring instrument, 16 is the liquid level monitoring instrument, 17 is the flushing pipe, 18 is the sparge water branch pipe, 19 is the sparge water shunt tubes, 20 is the motor, 21 is the filter screen.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in the attached drawing 1, the device for separating PVC resin entrained in the mother liquor water comprises a roller filter 1, a conveying pump 2 and a slurry collecting tank 3, a mother liquor water pipe 4 is communicated with a liquid inlet end of the roller filter 1, a resin outlet pipe 5 is communicated with a material inlet end of the slurry collecting tank 3 at a material outlet end of the roller filter 1, a liquid outlet pipe 6 is communicated with a lower liquid outlet of the roller filter 1, a slurry inlet end of the conveying pump 2 is communicated with the slurry collecting tank 3 through a slurry inlet pipe 7, and a slurry outlet end of the conveying pump 2 is communicated with a slurry outlet pipe 8.
After the mother liquor is filtered by the roller filter 1, the solid content of the mother liquor obtained by filtering is below 0.01% (mass percent), so that the problem of large solid content of the centrifugal mother liquor is effectively solved, and meanwhile, the collected resin is sent to a mixing tank in a centrifugal drying section by using the delivery pump 2 for recycling, so that the workload of manual material digging and loading is avoided, the labor intensity of workers is reduced, and the current situation that the cleaned accumulated material is difficult to stack and is inconvenient for field environment management is also solved; and the utility model discloses the running cost of equipment is lower, and the cost of equipment operation one year is 7200 yuan, compares in prior art, and the manufacturing cost of saving is about 15 ten thousand yuan/year, and the return on investment rate is higher.
The device for separating the PVC resin entrained in the mother liquor water can be further optimized or/and improved according to actual needs:
as shown in fig. 1, a three-way valve 9 is fixedly communicated with the slurry outlet pipe 8, and a third port of the three-way valve 9 is communicated with a first slurry inlet end of the slurry collecting tank 3 through a first slurry standby pipe 10.
According to actual working conditions, slurry in the slurry outlet pipe 8 can flow back to the slurry collecting tank 3 through the first slurry standby pipe 10.
As shown in fig. 1, the slurry outlet pipe 8 extends from the slurry outlet end 11 of the slurry collecting tank 3, a connecting pipe 12 is communicated between the slurry outlet pipe 8 between the three-way valve 9 and the slurry outlet end 11 of the slurry collecting tank and the mother liquor water pipe 4, the slurry outlet pipe 8 between the connecting pipe 12 and the slurry outlet end 11 of the slurry collecting tank 3 is communicated with the second slurry inlet end of the slurry collecting tank 3 through a second slurry standby pipe 13, and valves 14 are fixedly mounted on the connecting pipe 12 and the second slurry standby pipe 13.
The slurry in the slurry outlet pipe 8 can enter the mother liquor water pipe 4 through the connecting pipe 12 to be filtered by the roller filter 1 again.
According to actual working conditions, the slurry in the slurry outlet pipe 8 can flow back to the slurry collecting tank 3 through the second slurry standby pipe 13.
As shown in fig. 1, a valve 14 and a pressure monitoring instrument 15 are fixedly mounted on the slurry outlet pipe 8 between the second slurry standby pipe 13 and the slurry outlet end 11 of the slurry collecting tank 3; a liquid level monitoring instrument 16 is provided on the slurry collection tank 3.
The pressure monitoring instrument 15 can adopt a pressure gauge or a pressure sensor which is commonly known in the prior art; the liquid level monitoring instrument 16 may be a liquid level meter commonly used in the art.
As shown in the attached figure 1, a flushing pipe 17 is fixedly communicated with a right end flushing port of the drum filter 1, at least one flushing water branch pipe 18 is fixedly communicated with a water inlet end of the flushing pipe 17, a flushing water shunt pipe 19 is respectively and fixedly communicated with each flushing water branch pipe 18, and valves 14 are respectively and fixedly arranged on the flushing pipe 17 and the flushing water shunt pipe 19.
After the roller filter 1 works for a period of time, the filter screen 21 is partially blocked, and washing water is fed through the washing pipe 17 to wash the filter screen 21 so as to ensure that the roller filter 1 runs for a long period. In the event of excessive pressure or flow of the flushing water, this can be diverted via the flushing water diverter 19.
According to the requirement, the mesh number of the filter screen 21 in the roller filter 1 is 200 meshes; the power input end of the roller filter 1 is connected with a driving mechanism.
When the mesh number of the filter screen 21 is less than 200 meshes, the requirements of filtering and collecting the resin cannot be met.
The driving mechanism employs a motor 20 as necessary.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
The utility model discloses best embodiment's use:
mother liquor water (carrying part of resin) after solid-liquid separation of a centrifuge of a drying section is collected to a mother liquor water pipe 4, a motor 20 is started to drive a roller filter 1 to work, the mother liquor water automatically flows into the roller filter 1 through the mother liquor water pipe 4 to be filtered and separated, solid phase (resin) after filtering and separation enters a slurry collecting tank 3 through a resin outlet pipe 5, liquid phase (mother liquor water without the resin) after filtering and separation is discharged out of the roller filter 1 through a liquid outlet pipe 6, slurry (containing the resin) in the slurry collecting tank 3 is pumped by a delivery pump 2 and then is sent to a slurry mixing tank of the drying section through a slurry outlet pipe 8 for centrifugal drying.
Claims (10)
1. The utility model provides a device of PVC resin is smugglied secretly in separation mother liquor aquatic, its characterized in that includes roller filter, delivery pump and thick liquids collecting vat, and the feed liquor end intercommunication at roller filter has the mother liquor water pipe, and the discharge end at roller filter and the feed end intercommunication of thick liquids collecting vat have a resin pipeline, and the lower part liquid outlet intercommunication at roller filter has the drain pipe, and the thick liquids end that advances of delivery pump communicates through advancing thick liquids pipe with the thick liquids collecting vat, and the play thick liquids end intercommunication of delivery pump has out thick liquids pipe.
2. The device for separating the PVC resin entrained in the mother liquor water as claimed in claim 1, wherein a three-way valve is fixedly communicated with the slurry outlet pipe, and a third port of the three-way valve is communicated with the first slurry inlet end of the slurry collecting tank through a first slurry standby pipe.
3. The device for separating the PVC resin entrained in the mother liquor water as claimed in claim 1 or 2, wherein the slurry outlet pipe extends out from the slurry outlet end of the slurry collecting tank, a connecting pipe is communicated between the slurry outlet pipe between the three-way valve and the slurry outlet end of the slurry collecting tank and the mother liquor water pipe, the slurry outlet pipe between the connecting pipe and the slurry outlet end of the slurry collecting tank is communicated with the second slurry inlet end of the slurry collecting tank through a second slurry standby pipe, and valves are fixedly mounted on the connecting pipe and the second slurry standby pipe.
4. The device for separating the PVC resin entrained in the mother liquor water as claimed in claim 3, wherein a valve and a pressure monitoring instrument are fixedly arranged on the slurry outlet pipe between the second slurry standby pipe and the slurry outlet end of the slurry collecting tank; or/and a liquid level monitoring instrument is arranged on the slurry collecting tank.
5. The apparatus for separating PVC resin entrained in mother liquor as claimed in claim 1, 2 or 4, wherein the right end flushing port of the drum filter is fixedly communicated with a flushing pipe, the water inlet end of the flushing pipe is fixedly communicated with at least one flushing water branch pipe, a flushing water shunt pipe is respectively and fixedly communicated with each flushing water branch pipe, and valves are respectively and fixedly arranged on the flushing pipe and the flushing water shunt pipe.
6. The apparatus for separating PVC resin entrained in mother liquor as claimed in claim 3, wherein the right end flushing port of the drum filter is fixedly communicated with a flushing pipe, the water inlet end of the flushing pipe is fixedly communicated with at least one flushing water branch pipe, a flushing water shunt pipe is respectively and fixedly communicated with each flushing water branch pipe, and valves are respectively and fixedly arranged on the flushing pipe and the flushing water shunt pipe.
7. The device for separating the PVC resin entrained in the mother liquor water as claimed in claim 1, 2, 4 or 6, wherein the mesh number of the filter screen in the drum filter is 200 meshes; or/and the power input end of the roller filter is connected with a driving mechanism.
8. The device for separating the PVC resin entrained in the mother liquor water as claimed in claim 3, wherein the mesh number of the filter screen in the drum filter is 200 meshes; or/and the power input end of the roller filter is connected with a driving mechanism.
9. The device for separating the PVC resin entrained in the mother liquor water as claimed in claim 5, wherein the mesh number of the filter screen in the drum filter is 200 meshes; or/and the power input end of the roller filter is connected with a driving mechanism.
10. The device for separating the PVC resin entrained in the mother liquor water as claimed in claim 1, 2, 4, 6, 8 or 9, is characterized in that the driving mechanism adopts a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022434290.4U CN214319357U (en) | 2020-10-28 | 2020-10-28 | Device for separating PVC resin entrained in mother liquor water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022434290.4U CN214319357U (en) | 2020-10-28 | 2020-10-28 | Device for separating PVC resin entrained in mother liquor water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214319357U true CN214319357U (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022434290.4U Active CN214319357U (en) | 2020-10-28 | 2020-10-28 | Device for separating PVC resin entrained in mother liquor water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214319357U (en) |
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2020
- 2020-10-28 CN CN202022434290.4U patent/CN214319357U/en active Active
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