CN210905043U - Novel polyamide-6 polymerization extraction device - Google Patents
Novel polyamide-6 polymerization extraction device Download PDFInfo
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- CN210905043U CN210905043U CN201920878501.8U CN201920878501U CN210905043U CN 210905043 U CN210905043 U CN 210905043U CN 201920878501 U CN201920878501 U CN 201920878501U CN 210905043 U CN210905043 U CN 210905043U
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Abstract
The utility model discloses a novel 6 polymerization extraction of polyamide fibre device, its structure is that the extraction basin center establishes the division board that falls into two parts with the extraction basin, the division board top is less than the top surface in the extraction basin, establish the manhole on the extraction basin lateral wall of division board both sides respectively, two recovery branch pipes are established at the extraction basin top, two recovery branch pipe one ends are less than the division board top and set up in the division board both sides, the recovery branch pipe other end is retrieved the person in charge through A three-way valve connection, retrieve and be responsible for and connect recovery system, it establishes solenoid valve and flowmeter to retrieve to be responsible for, establish heating coil respectively in the extraction basin. The utility model has the advantages that: simple structure retrieves the branch pipe input extraction water by both sides during normal work, when needs clear up the extraction basin, adjusts one side and retrieves the branch pipe and close for after closing the side interior evacuation, adjust and close this side outlet branch pipe, adjust the business turn over water of closing heating coil simultaneously, then open the manhole and clear up. The extraction water tank is cleaned without stopping.
Description
Technical Field
The utility model relates to a novel polyamide fibre 6 polymerization extraction device.
Background
The polyamide-6 polymerization extraction device is one of important polyamide-6 polymerization devices, comprises an extraction water tank, a conveying pump and the like, and is used for extracting extraction water from a recovery system through the extraction water tank and then conveying the extracted extraction water to a polymerization workshop through the conveying pump for subsequent production and use. The extraction water in the recovery system contains caprolactam, water, oligomer, dust and other impurities, wherein some impurities can be precipitated in the extraction water tank in the extraction process, if the extraction water tank is not stopped and cleaned, a large amount of impurities are deposited in the extraction water tank and cannot be discharged in time after a long time, so that a large amount of impurities are mixed in the finished product slices, and the product quality is influenced.
The prior polyamide-6 polymerization extraction device generally comprises an extraction water tank and a delivery pump, and the extraction water tank cannot be stopped and cleaned due to the requirement of continuous production; in the prior art, two sets of extraction water tanks are adopted for cleaning in turn, but the additional extraction water tanks in the structure can increase the occupied area, and the structure is complex and the investment cost is high; the prior art also adopts and sets up the lifter plate in an extraction basin middle part and come to carry out the setting of half side work half side clearance when needs clearance, however the structure is complicated, and the lifter plate breaks down easily or reveals, and the result of use is not good.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel polyamide fibre 6 polymerization extraction device, its purpose aims at overcoming the above-mentioned not enough that prior art exists, can realize not stopping under simple structure's the prerequisite and clear up the extraction basin.
The technical solution of the utility model is as follows: novel 6 polymerization extraction of polyamide fibre device, its structure includes the extraction basin, the division board that separates into two parts with the extraction basin is established at the extraction basin center, the division board top is less than extraction basin internal top face, establish the manhole on the extraction basin lateral wall of division board both sides respectively, two recovery branch pipes are established at the extraction basin top, two recovery branch pipe one end are less than the division board top and set up in the division board both sides, the recovery branch pipe other end is retrieved the person in charge through A three-way valve connection, retrieve and be responsible for and connect recovery system, it establishes solenoid valve and flowmeter to retrieve to be responsible for, establish heating coil respectively in the extraction basin of.
Preferably, the heating coil is respectively connected with the hot water branch pipe and the backheating water branch pipe, the hot water branch pipes on two sides are connected with the hot water main pipe through a B three-way valve, the backheating water main pipe is connected with the backheating water branch pipes on two sides through a C three-way valve, and the hot water main pipe and the backheating water main pipe are connected with the heater.
Preferably, the bottom of the extraction water tank on two sides of the partition plate is respectively connected with one end of a water outlet branch pipe, the other end of the water outlet branch pipe is connected with a water outlet main pipe through a D three-way valve, the water outlet main pipe is connected with a polymerization workshop, and a centrifugal pump is arranged on the water outlet main pipe.
The utility model has the advantages that: simple structure is effective, normal during operation, retrieve the branch pipe by both sides and input in the extraction water tank, when needs clear up the extraction water tank, accessible A three-way valve adjusts one side and retrieves the branch pipe and closes for close the interior evacuation back of side, adjust the D three-way valve and close this side outlet branch pipe, adjust the business turn over water that B three-way valve and C three-way valve closed heating coil simultaneously, then open the manhole and clear up, clear up carry on after finishing the opposite operation can. The extraction water tank is cleaned without stopping.
Drawings
FIG. 1 is a schematic structural diagram of the nylon-6 polymerization extraction device of the present invention.
In the figure, 1 is an extraction water tank, 2 is a partition plate, 3 is a manhole, 4 is a recovery system, 41 is a recovery main pipe, 42 is an a three-way valve, 43 is a recovery branch pipe, 44 is a solenoid valve, 45 is a flow meter, 5 is a heater, 51 is a hot water outlet main pipe, 52 is a return water main pipe, 53 is a B three-way valve, 54 is a hot water outlet branch pipe, 55 is a C three-way valve, 56 is a return water branch pipe, 57 is a heating coil, 61 is a water outlet branch pipe, 62 is a D three-way valve, 63 is a water outlet main pipe, 7 is a centrifugal pump, and 8 is a polymerization plant.
Detailed Description
The present invention will be described in further detail with reference to examples and embodiments.
As shown in fig. 1, novel polyamide-6 polymerization extraction device, the structure thereof includes extraction water tank 1, division board 2 separating extraction water tank 1 into two parts is established at extraction water tank 1 center, division board 2 top is less than extraction water tank 1 internal top surface, establish manhole 3 on the extraction water tank 1 lateral wall of division board 2 both sides respectively, two recovery branch pipes 43 are established at extraction water tank 1 top, two recovery branch pipe 43 one ends are less than division board 2 top and set up in division board 2 both sides, the recovery branch pipe 43 other end passes through A three-way valve 42 and connects recovery main pipe 41, recovery main pipe 41 connects recovery system 4, establish solenoid valve 44 and flowmeter 45 on the recovery main pipe 41, establish heating coil 57 in the extraction water tank 1 of division board 2 both sides respectively.
The heating coil 57 is respectively connected with the hot water outlet branch pipe 54 and the backheating water branch pipe 56, the hot water outlet branch pipes 54 on both sides are connected with the hot water main pipe 51 through the B three-way valve 53, the backheating water branch pipes 56 on both sides are connected with the backheating water main pipe 52 through the C three-way valve 55, and the hot water outlet main pipe 51 and the backheating water main pipe 52 are both connected with the heater 5.
The bottom parts of the extraction water tanks 1 on two sides of the partition plate 2 are respectively connected with one end of a water outlet branch pipe 61, the other end of the water outlet branch pipe 61 is connected with a water outlet main pipe 63 through a D three-way valve 62, the water outlet main pipe 63 is connected with a polymerization workshop 8, and a centrifugal pump 7 is arranged on the water outlet main pipe 63.
According to above structure, normal during operation, retrieve in the branch pipe 43 input extraction water to extraction basin 1 by both sides, when needs clear up extraction basin 1, accessible A three-way valve 42 adjusts one side and retrieves branch pipe 43 and closes, make and close the side after emptying, adjust D three-way valve 62 and close this side water outlet branch pipe 61, adjust B three-way valve 53 and C three-way valve 55 simultaneously and close heating coil 57's business turn over water, then open manhole 3 and clear up, it can to carry out opposite operation after the clearance finishes.
All the above components are prior art, and those skilled in the art can use any model and existing design that can implement their corresponding functions.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.
Claims (3)
1. Novel 6 polymerization extraction of polyamide fibre device, its characteristic includes extraction basin (1), division board (2) that become two parts with extraction basin (1) are established at extraction basin (1) center, division board (2) top is less than extraction basin (1) interior top surface, establish manhole (3) on extraction basin (1) lateral wall of division board (2) both sides respectively, two recovery branch pipes (43) are established at extraction basin (1) top, two recovery branch pipe (43) one end are less than division board (2) top and set up in division board (2) both sides, recovery branch pipe (43) other end is connected through A three-way valve (42) and is retrieved and is responsible for (41), retrieve and be responsible for (41) and connect recovery system (4), it establishes solenoid valve (44) and flowmeter (45) on being responsible for (41) to retrieve, establish heating coil (57) in extraction basin (1) of division board (2) both sides respectively.
2. The novel polyamide-6 polymerization extraction device as claimed in claim 1, wherein the heating coil (57) is connected to the hot water branch pipes (54) and the heat recovery water branch pipes (56), the hot water branch pipes (54) on both sides are connected to the hot water main pipe (51) through a three-way valve B (53), the heat recovery water branch pipes (56) on both sides are connected to the heat recovery water main pipe (52) through a three-way valve C (55), and the hot water main pipe (51) and the heat recovery water main pipe (52) are both connected to the heater (5).
3. A novel polyamide-6 polymerization extraction device as claimed in claim 1, characterized in that the bottoms of the extraction water tanks (1) on both sides of the partition plate (2) are respectively connected with one end of a water outlet branch pipe (61), the other end of the water outlet branch pipe (61) is connected with a water outlet main pipe (63) through a D three-way valve (62), the water outlet main pipe (63) is connected with a polymerization workshop (8), and a centrifugal pump (7) is arranged on the water outlet main pipe (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878501.8U CN210905043U (en) | 2019-06-12 | 2019-06-12 | Novel polyamide-6 polymerization extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878501.8U CN210905043U (en) | 2019-06-12 | 2019-06-12 | Novel polyamide-6 polymerization extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210905043U true CN210905043U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920878501.8U Active CN210905043U (en) | 2019-06-12 | 2019-06-12 | Novel polyamide-6 polymerization extraction device |
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| Country | Link |
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| CN (1) | CN210905043U (en) |
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2019
- 2019-06-12 CN CN201920878501.8U patent/CN210905043U/en active Active
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