CN215137051U

CN215137051U - Static crystallization separator

Info

Publication number: CN215137051U
Application number: CN202121547665.6U
Authority: CN
Inventors: 祁咏梅; 李善柱; 刘勇; 沈困知; 李昌德
Original assignee: Shenyang Photosensitive Chemical Research Institute Co ltd
Current assignee: Shenyang Photosensitive Chemical Research Institute Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-14
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a static crystallization separator includes the box and installs the bottom in the box below, be provided with raw material liquid import takeover, cold medium matter export takeover, cold medium matter import takeover, mounting panel and mounting hole on the box, be equipped with out liquid takeover on the bottom, the fixed broach-like fixed plate that is provided with two symmetries and sets up of box inside wall, two the board pipe that the common a plurality of parallel equidistance of fixedly connected with of fixed plate set up, it is a plurality of the board pipe all exports takeover and cold medium matter to advance to take over with cold medium matter respectively through the manifold and is connected, the box internal fixation is provided with a plurality of slide bars, slide bar lateral wall sliding connection has the scraper blade that is used for striking off the crystallization of board pipe surface. The utility model discloses a set up the corrugated board pipe, improve the heat exchange efficiency between board pipe and the raw materials liquid, utilize the scraper blade in time to clear away the crystal on board pipe surface, guarantee the heat transfer effect of board pipe to improve the effect of crystal separation.

Description

Static crystallization separator

Technical Field

The utility model relates to a purification separation technical field is made in the chemical production, especially relates to a static crystallization separator.

Background

Static crystallization is an important purification, separation and concentration technology, and a solute is supersaturated due to the reduction of the solubility after the hot saturated solution is cooled, so that the solute is precipitated in the form of crystals, and the method has the characteristics of high efficiency and low energy consumption, and is widely applied to the refining and purification of chemical intermediates, medical intermediates and biochemical products.

In the prior art, a static crystallization separator is a container with a plurality of cooling fin plates or tube bundles inside, a cooling medium circulates in the fin plates or the tube bundles, a raw material liquid is a saturated solution in a high-temperature state and flows outside the fin plates or the tube bundles, and the saturated solution is gathered on the surfaces of the fin plates or the tube bundles along with the passing of the cooling medium, but as the crystallized product is coated on the surfaces of the fin plates or the tube bundles more and more, the heat conduction efficiency of the fin plates or the tube bundles is reduced, the crystallization separation effect is greatly reduced, and the waste of resources is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the coating of crystallization products leads to poor heat transfer effect on the surface of heat exchange equipment in the prior art, and providing a static crystallization separator.

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

a static crystallization separator comprises a box body and a bottom cover arranged below the box body, wherein a raw material liquid inlet connecting pipe, a cold medium outlet connecting pipe, a cold medium inlet connecting pipe, a mounting plate and a mounting hole are arranged on the box body, a liquid outlet connecting pipe is arranged on the bottom cover, two comb-shaped fixing plates which are symmetrically arranged are fixedly arranged on the inner side wall of the box body, two fixing plates are fixedly connected with a plurality of plate pipes which are arranged in parallel and equidistant, the plate pipes are respectively connected with the cold medium outlet connecting pipe and the cold medium inlet connecting pipe through a collecting pipe, a plurality of sliding rods are fixedly arranged in the box body, the outer side wall of each sliding rod is slidably connected with a scraper used for scraping crystals on the surface of the plate pipe, a motor is fixedly arranged on the mounting plate, an output shaft which is connected with the inner side wall of the mounting hole in a sealing and rotating manner is fixedly arranged at the output end of the motor, and the output shaft is connected with a reciprocating mechanism used for driving the scraper to move, the box body is connected with the bottom cover through a sealing mechanism, the bottom cover is connected with a fastening mechanism used for fixing the position of the box body and the position of the bottom cover, and a screen plate is movably connected in the bottom cover.

Preferably, the refrigerant medium outlet connection pipe is located at a high position, and the refrigerant medium inlet connection pipe is located at a low position.

Preferably, a plurality of openings are arranged on the scraper, and the inner side wall of each opening is abutted to the outer side wall of the plate pipe.

Preferably, the plate tubes are arranged in a corrugated shape, and the plate tubes are provided with a passage for flowing a refrigerant medium, and the raw material liquid flows in gaps among the plurality of plate tubes.

Preferably, the reciprocating mechanism comprises a bidirectional screw rotatably connected with the inner side wall of the box body, the bidirectional screw is fixedly connected with the end part of the output shaft and is coaxial with the output shaft, and the outer side wall of the bidirectional screw is slidably connected with a screw nut fixedly connected with the scraper.

Preferably, sealing mechanism is including setting up the annular in the bottom half, be equipped with sealed the pad in the annular, bottom top fixed be provided with can block into the protruding that makes equipment sealed in the annular.

Preferably, the fastening mechanism comprises a plurality of fastening blocks fixedly arranged on the outer side wall of the box body, a plurality of fixing blocks are fixedly arranged on the outer side wall of the bottom cover, a screw rod is rotatably connected onto the fixing blocks, the screw rod is clamped with the fastening blocks when rotating upwards, and the outer side wall of the screw rod is in threaded connection with fastening nuts.

Preferably, the inner side wall of the bottom cover is provided with two opposite clamping grooves, and the side wall of the screen plate is provided with sliding columns in sliding connection with the clamping grooves.

Preferably, the net plate is arranged in a zigzag shape, and pull rods are fixedly arranged at both ends of the net plate.

Preferably, the bottom of the bottom cover is obliquely arranged, and the liquid outlet connecting pipe is located at a low position.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses a motor, output shaft, two-way lead screw, screw nut and scraper blade cooperation are used, and the easy cladding of crystallisate leads to the problem that heat transfer effect reduces at heat transfer plate pipe or tube bank surface when having solved among the prior art crystallization separation, has avoided a large amount of accumulations of crystallisate for the heat is difficult to obtain the purification at the solute that the transmission leads to in the solution between tube sheet and solution, and then this equipment has improved purification effect, convenient to use.

2. The utility model discloses a set up the otter board of broken line form, when the discharge mother liquor, the crystal body falls into the otter board and is filtered, collects, and the crystal body can keep the filterable unobstructed of otter board in the millet bottom department gathering of broken line when the otter board of broken line form filters, compares in dull and stereotyped otter board mutually, and filter area is bigger, and it is better to prevent stifled performance.

Drawings

FIG. 1 is a partial cross-sectional view of a static crystallization separator according to the present invention;

FIG. 2 is a schematic diagram of an appearance structure of a static crystallization separator according to the present invention;

FIG. 3 is a front cross-sectional view of a static crystallization separator according to the present invention;

FIG. 4 is a right side cross-sectional view of a static crystallization separator in accordance with the present invention;

FIG. 5 is a schematic view of a structure of a mesh plate.

In the figure: 1. a box body; 2. a bottom cover; 3. a raw material liquid inlet connecting pipe; 4. a refrigerant medium outlet connecting pipe; 5. a refrigerant medium inlet connecting pipe; 6. a fixing plate; 7. a plate pipe; 8. a slide bar; 9. a squeegee; 10. a motor; 11. a manifold; 12. a screen plate; 13. a bidirectional lead screw; 14. a lead screw nut; 15. a ring groove; 16. a protrusion; 17. a clamping block; 18. a screw; 19. a card slot; 20. a traveler; 21. a pull rod; 22. and (4) a liquid outlet connecting pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a static crystallization separator comprises a box body 1 and a bottom cover 2 installed below the box body 1, wherein a crystallization product is taken out by opening the bottom cover 2 after crystallization separation is completed, and the box body 1 is provided with a raw material liquid inlet connecting pipe 3, a cold medium outlet connecting pipe 4, a cold medium inlet connecting pipe 5, a mounting plate and a mounting hole.

Wherein, refrigerant medium outlet nozzle 4 is located the high level, and refrigerant medium inlet nozzle 5 is located the low level, and refrigerant medium gets into from the below, and the top flows out, and reciprocating cycle improves the dwell time of refrigerant medium in plate pipe 7 to the at utmost, is favorable to refrigerant medium to irritate whole plate pipe 7, increases the efficiency of heat exchange.

Be equipped with on the bottom 2 and go out liquid takeover 22, the fixed broach form fixed plate 6 that is provided with two symmetries and sets up of 1 inside wall of box, the broach form cardboard of fixed plate 6 is the equidistance setting, guarantee that the distance of board pipe 7 installation equals, it is even to guarantee the raw materials liquid of 1 inside flows of box heat transfer, the board pipe 7 that the common fixedly connected with of two fixed plates 6 a plurality of parallel equidistance set up, a plurality of board pipes 7 all through collecting tube 11 respectively with cold medium matter export takeover 4 and cold medium matter import takeover 5 are connected.

Wherein, the board pipe 7 is the corrugate setting, and is the passageway that refrigerant medium flows in the board pipe 7, and the clearance of raw materials liquid between a plurality of board pipes 7 flows, and corrugated board pipe 7 can maximize the area of contact of improvement board pipe 7 and raw materials liquid, and then improves heat transfer effect, improves crystallization efficiency.

1 internal fixation of box is provided with a plurality of

slide bars

8, and 8 lateral walls sliding connection of slide bar have and are used for the scraper blade 9 that scrapes off the crystallization of 7 surfaces of sheet tube, after 7 surfaces of sheet tube have gathered a large amount of crystallization, the crystallization product can obstruct sheet tube 7 and former feed liquid and carry out the heat transfer this moment, through scraper blade 9 in the removal in 7 clearances of sheet tube, scrapes the crystal body, is favorable to the heat transfer of sheet tube 7 and former feed liquid.

Wherein, be equipped with a plurality of openings on scraper blade 9, the opening inside wall offsets with the board pipe 7 lateral wall, and scraper blade 9 makes the crystal on board pipe 7 surface scrape off through the relative slip of opening and board pipe 7.

The mounting plate is fixedly provided with a motor 10, the output end of the motor 10 is fixedly provided with an output shaft which is connected with the inner side wall of the mounting hole in a sealing and rotating manner, and the output shaft is connected with a reciprocating mechanism which is used for driving the scraper 9 to move.

The reciprocating mechanism comprises a bidirectional screw 13 rotatably connected with the inner side wall of the box body 1, the bidirectional screw 13 is fixedly connected with the end part of the output shaft and is coaxial with the output shaft, the outer side wall of the bidirectional screw 13 is slidably connected with a screw nut 14 fixedly connected with the scraper 9, the motor 10 drives the bidirectional screw 13 to rotate, and the screw nut 14 drives the scraper 9 to move back and forth along the bidirectional screw 13.

The box body 1 is connected with the bottom cover 2 through a sealing mechanism.

The sealing mechanism comprises a ring groove 15 arranged at the bottom of the box body 1, a sealing gasket is arranged in the ring groove 15, a protrusion 16 which can be clamped into the ring groove 15 to seal the equipment is fixedly arranged at the top of the bottom cover 2, and the protrusion 16 is clamped into the ring groove 15 to improve the airtightness of the equipment.

The bottom cover 2 is connected with a fastening mechanism for fixing the positions of the box body 1 and the bottom cover 2.

Wherein, fastening device includes a plurality of fixed fixture blocks 17 that set up the 1 lateral wall of box, and 2 lateral walls of bottom are fixed to be provided with a plurality of fixed blocks, rotate on the fixed block and are connected with screw rod 18, then with fixture block 17 block when screw rod 18 upwards rotates, 18 lateral wall threaded connection of screw rod has fastening nut, with

bottom

2 and 1 bottom block of box, rotate screw rod 18 and make its card block in the opening of fixture block 17, twist and rotate fastening nut and fix bottom 2.

A screen plate 12 is movably connected in the bottom cover 2.

Wherein, the inside wall of bottom 2 is equipped with two liang of relative draw-in grooves 19, and otter board 12 lateral wall is equipped with draw-in groove 19 sliding connection's traveller 20, through the cooperation of draw-in groove 19 and traveller 20, makes the installation dismantle otter board 12 more convenient, is favorable to the collection of the crystalline substance and the dismantlement washing after otter board 12 uses.

Wherein, the screen plate 12 is arranged in a zigzag shape, the two ends of the screen plate 12 are both fixedly provided with pull rods 21, the scraper 9 scrapes off crystal mixed mother liquor, when the mother liquor is discharged and the crystal is collected, the crystal is left on the screen plate 12, through the zigzag arrangement, the filtering area is larger, and the crystal is accumulated at the valley bottom position of the screen plate 12 when being filtered, thereby ensuring the smoothness of the screen plate 12 and avoiding blockage.

Wherein, the bottom of bottom cover 2 sets up for the slope, goes out liquid takeover 22 and is located the low level, and when collecting the mother liquor, because the action of gravity, the slope of mother liquor along bottom cover 2 bottom flows to being located the liquid takeover 22 of low level.

The utility model discloses specific theory of operation as follows:

when the raw material liquid is crystallized and separated, the raw material liquid inlet connecting pipe 3 is opened, the molten raw material liquid or the supersaturated raw material liquid is poured into the box body 1, the liquid in the box body 1 submerges the plate pipe 7, the cold medium is introduced into the plate pipe 7, the temperature of the surface of the plate pipe 7 is reduced to exchange heat with the supersaturated solution in the box body 1, the temperature of the solution around the plate pipe 7 is reduced due to the low surface temperature of the plate pipe 7, solute in the solution is expressed and formed into crystals in the plate pipe 7, when part of the crystals are accumulated, the heat transfer effect of the plate pipe 7 is poor, the motor 10 is started, the motor 10 drives the bidirectional screw 13 to rotate, the screw nut 14 further drives the scraper 9 to move back and forth, the crystals on the surface of the plate pipe 7 are scraped off, the plate pipe 7 continuously reduces the temperature of the surrounding solution, the raw material liquid is always in the supersaturated state and generates crystals, when the crystals are generated in the raw material liquid little or are not generated in the crystals, and opening the liquid outlet connecting pipe 22 in time to discharge the mother liquid to prevent the mother liquid from dissolving the crystal again, filtering the crystal mixed with the mother liquid through the screen plate 12, retaining the crystal on the surface of the screen plate 12, screwing the fastening nut to open the bottom cover 2, and taking out the screen plate 12 by pulling the pull rod 21 to obtain a final product.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A static crystallization separator comprises a box body (1) and a bottom cover (2) arranged below the box body (1), wherein a raw material liquid inlet connecting pipe (3), a cold medium outlet connecting pipe (4), a cold medium inlet connecting pipe (5), a mounting plate and a mounting hole are arranged on the box body (1), a liquid outlet connecting pipe (22) is arranged on the bottom cover (2), the static crystallization separator is characterized in that two symmetrically arranged comb-shaped fixing plates (6) are fixedly arranged on the inner side wall of the box body (1), the two fixing plates (6) are fixedly connected with a plurality of plate pipes (7) which are arranged in parallel and equidistantly, the plurality of plate pipes (7) are respectively connected with the cold medium outlet connecting pipe (4) and the cold medium inlet connecting pipe (5) through a collecting pipe (11), a plurality of slide rods (8) are fixedly arranged in the box body (1), the outer side wall of each slide rod (8) is slidably connected with a scraper (9) for scraping and crystallizing the surface of each plate pipe (7), the fixed motor (10) that is provided with on the mounting panel, the fixed output shaft that is connected with the sealed rotation of mounting hole inner wall that is provided with of output of motor (10), output shaft is connected with the reciprocating mechanism who is used for driving scraper blade (9) and removes, box (1) is connected through sealing mechanism with bottom (2), be connected with the fastening device who is used for fixed box (1) and bottom (2) position on bottom (2), swing joint has otter board (12) in bottom (2).

2. A static crystallization separator as claimed in claim 1, characterized in that the refrigerant medium outlet connection (4) is in the upper position and the refrigerant medium inlet connection (5) is in the lower position.

3. A separator according to claim 1, wherein the scraper (9) is provided with a plurality of openings, the inner side walls of which abut against the outer side walls of the plate tubes (7).

4. A static crystallization separator according to claim 1, characterized in that the plate tubes (7) are arranged in a corrugated shape, and the plate tubes (7) are provided with passages for the flow of a refrigerant medium, and the raw material liquid flows in the gaps between the plurality of plate tubes (7).

5. The static crystallization separator as claimed in claim 1, wherein the reciprocating mechanism comprises a bidirectional screw (13) rotatably connected with the inner side wall of the box body (1), the bidirectional screw (13) is fixedly connected with the end part of the output shaft and is coaxially arranged with the output shaft, and the outer side wall of the bidirectional screw (13) is slidably connected with a screw nut (14) fixedly connected with the scraper (9).

6. A static crystallization separator as claimed in claim 1, wherein the sealing mechanism comprises a ring groove (15) arranged at the bottom of the tank (1), a sealing gasket is arranged in the ring groove (15), and a protrusion (16) which can be snapped into the ring groove (15) to seal the equipment is fixedly arranged at the top of the bottom cover (2).

7. The static crystallization separator as claimed in claim 1, wherein the fastening mechanism comprises a plurality of fastening blocks (17) fixedly arranged on the outer side wall of the box body (1), a plurality of fastening blocks are fixedly arranged on the outer side wall of the bottom cover (2), a screw (18) is rotatably connected to the fastening blocks, the screw (18) is fastened to the fastening blocks (17) when rotating upwards, and a fastening nut is threadedly connected to the outer side wall of the screw (18).

8. A static crystallization separator as claimed in claim 1, wherein the inner side wall of the bottom cover (2) is provided with two opposite slots (19), and the side wall of the mesh plate (12) is provided with slide columns (20) slidably connected with the slots (19).

9. The static crystallization separator as claimed in claim 1, wherein the mesh plate (12) is arranged in a zigzag shape, and the pull rod (21) is fixedly arranged at both ends of the mesh plate (12).

10. A static crystal separator as claimed in claim 1, characterized in that the bottom of said bottom cover (2) is inclined and said tapping pipe (22) is in a lower position.