CN220745467U

CN220745467U - Inorganic salt removing system in polyether-ether-ketone production process

Info

Publication number: CN220745467U
Application number: CN202322268679.XU
Authority: CN
Inventors: 任进军; 李雪健
Original assignee: Anhui Zhuoren New Material Technology Co ltd
Current assignee: Anhui Zhuoren New Material Technology Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-04-09
Anticipated expiration: 2033-08-23

Abstract

The utility model discloses an inorganic salt removing system in a polyether-ether-ketone production process, which comprises a pure water extractor and a filtrate evaporator, wherein the pure water extractor is communicated with the filtrate evaporator, the pure water extractor comprises a main tank body, a transferring bin, a filtrate discharging assembly and a discharging regulation and control assembly, a partition plate is vertically arranged in the main tank body, two partition plates are vertically arranged on two sides of the partition plate, a partition cover plate is horizontally arranged at the upper end of the partition plate, a filtrate discharging opening and a discharging opening are formed in the partition cover plate, the filtrate discharging assembly and the discharging regulation and control assembly are respectively arranged at the filtrate discharging opening and the discharging opening, the transferring bin comprises a bottom plate, surrounding filter plates and a top cover plate, the upper end and the lower end of the surrounding filter plates are respectively connected with the top cover plate and the bottom plate, a movable guide rail is arranged at the lower part of the bottom plate, a movable sealing plate is arranged between the movable guide rails in a clamping way, a transfer assembly is arranged on the top plate of the pure water extractor, and the transfer assembly is connected with the transferring bin.

Description

Inorganic salt removing system in polyether-ether-ketone production process

Technical Field

The utility model relates to the technical field of polyether-ether-ketone production, in particular to an inorganic salt removal system in a polyether-ether-ketone production process.

Background

The polyether-ether-ketone is a special engineering resin with excellent performances of high temperature resistance, self lubrication, easy processing, high mechanical strength and the like, and can be manufactured and processed into various mechanical parts such as automobile gears, oil screens and gear shifting starting discs; aircraft engine components, automatic washing machine wheels, medical equipment components, and the like.

The polyether-ether-ketone is prepared by nucleophilic substitution method, and is prepared by taking difluorobenzophenone, hydroquinone and sodium carbonate as raw materials and diphenyl sulfone as solvent.

In the production process of polyether-ether-ketone, the press filter cake of the synthetic crude product material from which diphenyl sulfone is removed is transferred to a pure water refining kettle, and inorganic salt mixed in the crude product can be removed completely after eight to twelve times of pure water dissolution and cleaning. In the process of dissolving and cleaning the crude product, after the crude product is dissolved in pure water for extraction each time, a batch of new pure water can be filled for next extraction after the water is drained completely, so that the inorganic salt removal efficiency in the production process of the polyether-ether-ketone is lower.

Disclosure of Invention

In order to solve the problems mentioned in the background art, the utility model provides an inorganic salt removing system in a polyether-ether-ketone production process.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the inorganic salt removing system in the polyether-ether-ketone production process comprises a pure water extractor and a filtrate evaporator, wherein the pure water extractor is communicated with the filtrate evaporator, the pure water extractor comprises a main tank body, a transfer bin, a filtrate discharging component and a discharging regulation component, a partition plate is vertically arranged in the main tank body, two partition plates are vertically arranged on two sides of the partition plate, a partition cover plate is horizontally arranged at the upper end of the partition plate, a filtrate discharging port and a discharging port are formed in the partition cover plate, and the filtrate discharging component and the discharging regulation component are respectively arranged at the filtrate discharging port and the discharging port;

the transfer bin comprises a bottom plate, surrounding filter plates and a top cover plate, wherein the upper end and the lower end of the surrounding filter plates are respectively connected with the top cover plate and the bottom plate, a movable guide rail is arranged at the lower part of the bottom plate, a movable sealing plate is arranged between the movable guide rails in a clamping manner, a transfer assembly is arranged on the top plate of the pure water extractor, and the transfer assembly is connected with the transfer bin.

Preferably, the height of the isolation plate is smaller than the internal height of the main tank body, the length of the bottom plate is smaller than the top cover plate, and the surrounding filter plates are arranged around the outer edge of the top cover plate.

Preferably, the transfer assembly comprises a motor, a rotating arm and a telescopic rod, wherein the rotating arm is respectively connected with a rotating shaft of the motor and the upper end of the telescopic rod, the lower end of the telescopic rod is fixedly connected with a top cover plate, the telescopic rod can perform telescopic movement, and the telescopic rod can retract to lift the transfer bin to a position, higher than the top end of the isolation plate, of the bottom plate.

Preferably, the filtrate discharging assembly is arranged outside the filtrate discharging opening, the filtrate discharging assembly comprises a control motor and a rotary sealing cover, the control motor is arranged outside the filtrate discharging opening, the rotary sealing cover can be driven by the control motor to axially rotate, the rotary sealing cover can cover and seal the filtrate discharging opening, the rotary sealing cover is provided with an opposite opening, and the rotary sealing cover can be rotatably adjusted to enable the opposite opening to be correspondingly communicated with the filtrate discharging opening.

Preferably, the discharging regulation and control assembly comprises a sealing plate, a driven ruler strip and a driving gear, wherein the sealing plate can be horizontally arranged in the discharging hole and can completely shield the discharging hole for sealing, the side edge of the discharging hole is provided with a storage groove, the sealing plate can be horizontally moved and placed in the storage groove, the driven ruler strip is arranged on one side, facing the storage groove, of the sealing plate, and the driving gear is arranged in the storage groove and meshed with the driven ruler strip.

Preferably, the lower plate surface of the movable sealing plate is provided with a butt joint groove, the upper surface of the sealing plate is provided with a butt joint clamping block, and the butt joint clamping block can be inserted into the butt joint groove.

Compared with the prior art, the utility model has the beneficial effects that:

when the material in the transfer bin is subjected to pure water extraction on one side of the isolation plate, the other side of the transfer bin can be subjected to pre-water injection through the liquid inlet pipe, after the material in the transfer bin is subjected to extraction and washing on one side of the isolation plate, the transfer component can directly lift the transfer bin and transfer the material to one side of the pre-water injection to directly start new primary extraction and washing, when the transfer bin is subjected to washing and extraction on the other side of the isolation plate, the washing liquid on the original side can be discharged and re-injected, liquid drainage and water injection of the main tank body are synchronously carried out with the material washing and extraction, and the inorganic salt removal efficiency in the polyether-ether-ketone production process is greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of an inorganic salt removal system in a polyetheretherketone production process according to the present utility model;

FIG. 2 is a front sectional view of the pure water extractor according to the present utility model;

FIG. 3 is a side cross-sectional view of the transfer chamber and divider plate of the present utility model taken along line B-B;

fig. 4 is an enlarged schematic view at a in fig. 2.

In the figure: 1. a pure water extractor; 101. discharging filtrate into a cavity; 102. a discharge cavity; 11. a main tank body; 12. a transfer bin; 1201. a feed inlet; 1202. a butt joint groove; 121. a bottom plate; 122. a surrounding filter plate; 123. a top cover plate; 124. a moving guide rail; 125. moving a sealing plate; 13. a filtrate discharge assembly; 1301. an opposite port; 131. controlling a motor; 132. rotating the cover; 14. a discharge control assembly; 141. a closing plate; 142. a driven ruler strip; 143. a drive gear; 144. butting clamping blocks; 15. a partition plate; 16. a dividing plate; 17. a separation cover plate; 1701. a filtrate discharge port; 1702. a discharge port; 1703. a storage groove; 18. a heater; 19. stirring paddles; 2. a filtrate evaporator; 3. a filtrate discharge pipe; 4. a discharge pipe; 5. a transfer assembly; 51. a motor; 52. a rotating arm; 53. a telescopic rod; 6. a feed cannula; 7. a liquid inlet pipe.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. 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, an inorganic salt removing system in a polyetheretherketone production process comprises a pure water extractor 1 and a filtrate evaporator 2, wherein the pure water extractor 1 is communicated with the filtrate evaporator 2, and filtrate extracted by the pure water extractor 1 can be injected into the filtrate evaporator 2 for evaporation to obtain extracted inorganic salt for recovery.

The pure water extractor 1 comprises a main tank 11, a transferring bin 12, a filtrate discharging assembly 13 and a discharging regulation and control assembly 14, wherein the transferring bin 12 is arranged in the main tank 11.

The isolation plate 15 is vertically arranged in the main tank 11, the height of the isolation plate 15 is smaller than the internal height of the main tank 11, and the isolation plate 15 divides the internal space of the main tank 11 into two parts. The two spaces of the inside of the main tank 11, which are divided into two by the partition plate 15, are respectively communicated with the filtrate discharge pipe 3 and the discharge pipe 4, two partition plates 16 are vertically arranged on two sides of the partition plate 15, the partition plates 16 divide the space on two sides of the partition plate 15 into a filtrate discharge cavity 101 and a discharge cavity 102, wherein the filtrate discharge pipe 3 is only communicated with the filtrate discharge cavity 101, and the discharge pipe 4 is only communicated with the discharge cavity 102.

The upper end of the partition plate 16 is horizontally provided with a partition cover plate 17, the partition cover plate 17 is provided with a filtrate discharge port 1701 and a discharge port 1702, the filtrate discharge port 1701 is only communicated with the filtrate discharge cavity 101, and the discharge port 1702 is only communicated with the discharge cavity 102.

The transfer bin 12 comprises a bottom plate 121, a peripheral filter plate 122 and a top cover plate 123, wherein the top end and the bottom end of the peripheral filter plate 122 are respectively connected with the top cover plate 123 and the bottom plate 121, the peripheral filter plate 122 is spliced and surrounded end to end, and a cavity capable of temporarily storing materials is formed between the top cover plate 123 and the bottom plate 121. A feed inlet 1201 is formed above the top cover 123 to allow the material to be injected into the transfer bin 12, and the surrounding filter plates 122 can block the solid material from passing through and allow pure water to flow into the transfer bin 12 to extract inorganic salts mixed with the material in the transfer bin 12.

The bottom plate 121 has a length less than the top cover plate 123 and the surrounding filter plates 122 are disposed around the outer edges of the top cover plate 123 such that a gap is created between the bottom plate 121 and one of the surrounding filter plates 122 through which washed material can flow out of the transfer chamber 12. The lower part of the bottom plate 121 is provided with a movable guide rail 124, a movable sealing plate 125 is clamped between the movable guide rails 124, and the movable sealing plate 125 can move along the movable guide rail 124 to fill up the gap between the bottom plate 121 and the surrounding filter plates 122, thereby preventing materials from leaking from the transfer bin 12.

The utility model provides a pure water extractor 1 roof installs transfer subassembly 5, transfer subassembly 5 includes motor 51, rocking arm 52 and telescopic link 53, the pivot of motor 51 and the upper end of telescopic link 53 are connected respectively to rocking arm 52, motor 51 drives rocking arm 52 and carries out axial rotation, telescopic link 53 lower extreme and lamina tecti 123 fixed connection, and telescopic link 53 can carry out telescopic motion to drive and shift storehouse 12 and reciprocate, telescopic link 53 shrink can be with shift storehouse 12 and be higher than the bottom plate 121 and be higher than division board 15 top, there is transfer subassembly 5 accessible telescopic link 53 flexible and motor 51 to drive rocking arm 52 rotation, will shift storehouse 12 from one side of division board 15 to the opposite side.

The top plate of the pure water extractor 1 is provided with a feeding insertion pipe 6, when the transfer bin 12 is positioned at one side of the isolation plate 15, the feeding insertion pipe 6 is positioned right above the feeding hole 1201, the telescopic rod 53 can drive the transfer bin 12 to ascend so that the feeding insertion pipe 6 is inserted into the transfer bin 12, the upper end of the feeding insertion pipe 6 is communicated to the outside of the pure water extractor 1, and a material to be taken out of inorganic salt can be sent into the transfer bin 12 from the outside through the feeding insertion pipe 6 for subsequent extraction and washing.

Preferably, a one-way seal is provided in the inlet 1201, and the one-way seal can seal the inlet 1201 when the feeding cannula 6 is separated from the inlet 1201, so as to prevent the material in the transfer bin 12 from being scattered from the inlet 1201 when extraction washing is performed.

The upper part of the separation cover plate 17 is provided with a heater 18 and a stirring paddle 19, the outer wall of the main tank body 11 is provided with two liquid inlet pipes 7, the liquid inlet pipes 7 are communicated with the main tank body 11 and the filtrate evaporator 2, and pure water supplied from the outside or distilled by the filtrate evaporator 2 can be injected into two sides of the isolation plate 15 through the liquid inlet pipes 7. After the transfer bin 12 is placed on one side of the isolation plate 15 and the material to be extracted is injected, the liquid inlet pipe 7 arranged on the same side of the transfer bin 12 injects the extracted pure water into the main tank 11 until the water level is over the transfer bin 12 and does not overflow to the other side of the isolation plate 15, and then the pure water is heated and stirred by the heater 18 and the stirring paddle 19 respectively, so that the material is stirred and extracted at 90 ℃ and the inorganic salt mixed with the material is fully dissolved in the pure water.

The filtrate discharging assembly 13 is installed outside the filtrate discharging port 1701, the filtrate discharging assembly 13 comprises a control motor 131 and a rotary sealing cover 132, the control motor 131 is installed outside the filtrate discharging port 1701, the rotary sealing cover 132 can be driven by the control motor 131 to axially rotate, the rotary sealing cover 132 is tightly attached to the separation cover plate 17 and can cover and seal the filtrate discharging port 1701, the rotary sealing cover 132 is provided with an opposite opening 1301, the rotary sealing cover 132 can be rotatably adjusted to enable the opposite opening 1301 to be correspondingly communicated with the filtrate discharging port 1701, so that washing liquid on one side of the separation plate 15 is discharged to the lower part of the separation cover plate 17, and finally the washing liquid is discharged out of the main tank 11 through the filtrate discharging pipe 3.

The discharging regulation and control assembly 14 is arranged inside the discharging hole 1702, the discharging regulation and control assembly 14 comprises a sealing plate 141, a driven ruler strip 142 and a driving gear 143, the sealing plate 141 is horizontally arranged inside the discharging hole 1702, the sealing plate 141 can completely cover and seal the discharging hole 1702, a containing groove 1703 is arranged on the side edge of the discharging hole 1702, the sealing plate 141 can be horizontally moved and placed into the containing groove 1703, the driven ruler strip 142 is arranged on one side, facing the containing groove 1703, of the sealing plate 141, the driving gear 143 is arranged in the containing groove 1703 and meshed with the driven ruler strip 142, and the driving gear 143 can be driven to axially rotate so as to drive the driven ruler strip 142 and the sealing plate 141 to horizontally move, so that the opening and the closing of the discharging hole 1702 are controlled.

The lower plate surface of the movable sealing plate 125 is provided with a docking slot 1202, the upper surface of the sealing plate 141 is provided with a docking fixture block 144, and the docking fixture block 144 protrudes upwards from the discharge hole 1702, so that the docking fixture block 144 can be inserted into the docking slot 1202 when the transfer bin 12 is placed on the separation cover plate 17. When the transfer bin 12 is placed on the separation cover 17, the bottom plate 121 and the storage slot 1703 are disposed on the same side, so that when the driving gear 143 drives the sealing plate 141 to move, the docking fixture block 144 inserted into the docking slot 1202 can drive the movable sealing plate 125 to move, thereby enabling the discharge port 1702 and the lower portion of the transfer bin 12 to be opened and closed simultaneously.

When the material in the transferring bin 12 is subjected to pure water extraction on one side of the isolating plate 15, the other side of the transferring bin 12 can be subjected to pre-water injection by the liquid inlet pipe 7, after the material in the transferring bin 12 is subjected to extraction and washing on one side of the isolating plate 15, the transferring assembly 5 can directly lift the transferring bin 12 and transfer the material to one side of the pre-water injection to directly start new extraction and washing, and when the transferring bin 12 is subjected to washing and extraction on the other side of the isolating plate 15, the washing liquid on the original side can be discharged and re-injected with water. Therefore, the liquid discharge and water injection of the main tank 11 are synchronously carried out with the washing and extraction of the materials, and the removal efficiency of inorganic salts of the materials is greatly improved.

The extract after the material washing is discharged into the filtrate discharging cavity 101 through the filtrate discharging port 1701 and finally discharged out of the main tank 11 through the filtrate discharging pipe 3; after the material is washed eight to twelve times and completely cleaned, the material can be discharged into the discharge cavity 102 together with the extraction liquid through the discharge hole 1702, and finally discharged out of the main tank 11 through the discharge pipe 4.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the connection may be mechanical connection, direct connection or indirect connection through an intermediate medium, and may be internal connection of two elements or interaction relationship of two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting a mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an inorganic salt gets rid of system in polyether-ether-ketone production technology, includes pure water extractor (1) and filtrate evaporator (2), pure water extractor (1) are linked together its characterized in that with filtrate evaporator (2):

the pure water extractor (1) comprises a main tank body (11), a transfer bin (12), a filtrate discharging assembly (13) and a discharging regulation and control assembly (14), wherein a separation plate (15) is vertically arranged in the main tank body (11), two separation plates (16) are vertically arranged on two sides of the separation plate (15), a separation cover plate (17) is horizontally arranged at the upper end of the separation plate (16), a filtrate discharging opening (1701) and a discharging opening (1702) are formed in the separation cover plate (17), and the filtrate discharging assembly (13) and the discharging regulation and control assembly (14) are respectively arranged at the filtrate discharging opening (1701) and the discharging opening (1702);

the transfer bin (12) comprises a bottom plate (121), surrounding filter plates (122) and a top cover plate (123), the top cover plate (123) and the bottom plate (121) are respectively connected to the upper end and the lower end of the surrounding filter plates (122), a movable guide rail (124) is arranged at the lower part of the bottom plate (121), a movable sealing plate (125) is arranged between the movable guide rails (124) in a clamping manner, a transfer assembly (5) is arranged on the top plate of the pure water extractor (1), and the transfer assembly (5) is connected with the transfer bin (12).

2. The system for removing inorganic salt in a polyetheretherketone production process according to claim 1, wherein: the height of the isolation plate (15) is smaller than the internal height of the main tank body (11), the length of the bottom plate (121) is smaller than that of the top cover plate (123), and the surrounding filter plates (122) are arranged around the outer edge of the top cover plate (123).

3. The system for removing inorganic salt in a polyetheretherketone production process according to claim 1, wherein: the transfer subassembly (5) includes motor (51), rocking arm (52) and telescopic link (53), the upper end of motor (51) pivot and telescopic link (53) is connected respectively to rocking arm (52), telescopic link (53) lower extreme and lamina tecti (123) fixed connection, telescopic link (53) can carry out telescopic motion, telescopic link (53) shrink can be with transferring storehouse (12) and lifting to bottom plate (121) are higher than division board (15) top.

4. The system for removing inorganic salt in a polyetheretherketone production process according to claim 1, wherein: the utility model discloses a filter liquor drainage assembly, including filtrate drainage port (1701), filtrate drainage assembly (13) are installed outside filtrate drainage port (1701), filtrate drainage assembly (13) are including control motor (131) and rotatory closing cap (132), control motor (131) are installed in filtrate drainage port (1701) outside, rotatory closing cap (132) can be driven by control motor (131) and carry out axial rotation, rotatory closing cap (132) can cover shutoff with filtrate drainage port (1701), rotatory closing cap (132) have to switch on mouth (1301), rotatory closing cap (132) rotatable adjustment makes to switch on mouth (1301) and filtrate drainage port (1701) correspond and link up.

5. The system for removing inorganic salt in a polyetheretherketone production process according to claim 1, wherein: the material discharging regulation and control assembly (14) comprises a sealing plate (141), a driven ruler strip (142) and a driving gear (143), wherein the sealing plate (141) can be horizontally arranged in a material discharging hole (1702) and can completely cover the material discharging hole (1702) for sealing, a containing groove (1703) is formed in the side edge of the material discharging hole (1702), the sealing plate (141) can be horizontally moved and placed in the containing groove (1703), the driven ruler strip (142) is arranged on one side, facing the containing groove (1703), of the sealing plate (141), and the driving gear (143) is arranged in the containing groove (1703) and meshed with the driven ruler strip (142).

6. The system for removing inorganic salt in the production process of polyether-ether-ketone as claimed in claim 5, wherein the system comprises the following components: the butt joint groove (1202) has been seted up to face under removal shrouding (125), closure board (141) upper surface is provided with butt joint fixture block (144), butt joint fixture block (144) can insert in butt joint groove (1202).