CN116617702B

CN116617702B - Crystallization filter

Info

Publication number: CN116617702B
Application number: CN202310909025.2A
Authority: CN
Inventors: 罗俊峰; 杜万青; 周士珂; 薛树会; 刘文耀; 任建海
Original assignee: QILU SYNVA PHARMACEUTICAL CO Ltd
Current assignee: QILU SYNVA PHARMACEUTICAL CO Ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2023-09-15
Anticipated expiration: 2043-07-24
Also published as: CN116617702A

Abstract

The application relates to a crystallization filter, which comprises a tank body, a screw nut mechanism, a driving motor and two rebound pieces, wherein one end of a screw rod extends into the tank body, the other end of the screw rod is in transmission connection with an output shaft of the driving motor, two ends of a plurality of guides are respectively in sliding connection with a first nut and a second nut, the two rebound pieces are arranged in the tank body in a mirror symmetry mode, the middle of the two rebound pieces is respectively connected with the first nut and the second nut, and the centers of the corresponding rebound pieces are respectively driven by the first nut and the second nut to move along the axis of the screw rod so as to convert the rebound pieces into a spiral line state from a planar spiral state. In order to avoid the occurrence of larger grains and to block the discharge opening of the tank body, the middle part of each rebound member moves up and down along with the rotation of the screw rod, so that the distance between the adjacent parts of each rebound member is changed, and the grains which are attached to the rebound member and have larger sizes are crushed, so that the grains with smaller sizes are obtained.

Description

Crystallization filter

Technical Field

The application belongs to the technical field of crystallization filter devices, and particularly relates to a crystallization filter.

Background

The crystallization filter is a device combining crystallization and filtration functions for crystallizing and filtering a liquid during a reaction. It generally consists of a crystallization chamber which generally uses a temperature difference to change the solubility of the solution, thereby allowing the solution to precipitate crystals, and a filter for separating the crystals from the crystallized solution.

In the prior art, the crystallization filter usually needs to be cleaned after a period of use, so as to avoid crystals adhering to the crystallization column, and the cleaning work is not only troublesome, but also can influence the subsequent use. In addition, when the crystal block is too large, it also has some influence on the use. Therefore, it is very important to select an appropriate crystal grain size.

For example, the application patent with publication number CN115571942B discloses an intelligent wastewater treatment device for producing silica gel cat litter, the device makes a first linkage plate in linkage circular motion to reciprocate through a fourth linkage block, so that the first linkage plate breaks and loosens crystals attached to the inner wall of a heating cylinder, and then makes the first linkage plate switch to be attached to the inner wall of the heating cylinder to move through a first telescopic cylinder in linkage with a first circular ring to scrape the loosened crystals into the first cylinder.

However, the waste water is also attached to auxiliary devices such as the fourth pipeline and the fifth pipeline in the crystallization process, and as the crystallization times are increased, too many crystals are attached to the fourth pipeline and the fifth pipeline, so that the use of the fourth pipeline and the fifth pipeline is affected, and even the machine needs to be disassembled for cleaning in severe cases, so that the efficiency of waste water crystallization is reduced.

Disclosure of Invention

The application provides a crystallization filter, which aims to solve the technical problem that the existing crystallization filter cannot clean crystals on a crystallization column, so that crystallization efficiency is affected.

In order to solve the problems, the crystallization filter provided by the application adopts the following technical scheme:

a crystallization filter comprising a tank, wherein further comprising: the screw nut mechanism, with this screw nut mechanism transmission connection's driving motor and be two resilience pieces of heliciform, every the inside all circulation of resilience piece has the coolant liquid, screw nut mechanism includes:

one end of the lead screw extends into the tank body and extends along the depth direction of the tank body, the other end of the lead screw is in transmission connection with an output shaft of the driving motor, and the two ends of the lead screw are respectively provided with a first threaded part and a second threaded part with opposite rotation directions;

a first nut having a first internal thread in accordance with the rotation direction of the first screw portion to be screw-engaged with one end of the screw to slide along one end of the screw, and a second nut having a second internal thread in accordance with the rotation direction of the second screw portion to be screw-engaged with the other end of the screw to slide along the other end of the screw;

the axes of the guide rods are parallel to the axis of the screw rod and are arranged in the tank body along the circumferential direction of the screw rod, and two ends of the guide rods are respectively connected with the first nut and the second nut in a sliding manner;

the two rebound pieces are arranged inside the tank body in a mirror symmetry mode, the middle of the two rebound pieces is connected with the first nut and the second nut respectively, and the centers of the corresponding rebound pieces are driven to move along the axis of the screw rod through the first nut and the second nut respectively so as to convert the rebound pieces into a spiral line state from a plane spiral state.

The crystallization filter, wherein, the inside of jar body still is provided with bearing structure, bearing structure include be used for with the middle rotation of lead screw is connected main part board and set up a plurality of backup pads in this main part board outside, a plurality of backup pads respectively along the radial direction of lead screw extend to with the outside edge connection of two resilience pieces.

The crystallization filter, wherein, each the resilience piece is provided with the fin that is used for connecting two between the adjacent part, each the fin includes: the first fish scale plate monomer and the second fish scale plate monomer are respectively used for rotationally connecting the adjacent parts of the rebound piece, and the first fish scale plate monomer is also rotationally connected with the second fish scale plate monomer.

The crystallization filter is characterized in that the vertical sections of the first and second fish scale monomers are' respectively, and the ends of the first and second fish scale monomers are respectively hinged, so that the fish scale with a rhombic vertical section is formed.

The crystallization filter comprises a tank body, wherein the inner wall of the tank body is provided with a liquid inlet and a liquid outlet corresponding to the outer side of each rebound member respectively, a liquid inlet pipe is arranged on the liquid inlet in a sealing mode, a liquid outlet pipe is arranged on the liquid outlet in a sliding sealing mode, the liquid inlet pipe is further connected with one end of each rebound member, and the liquid outlet pipe is further connected with the other end of each rebound member.

The crystallization filter is characterized in that a liquid outlet is further formed in the bottom of the tank body, a solid-liquid separator in an inverted cone shape is further arranged in the tank body, filtering holes are uniformly distributed in the outer side wall of the solid-liquid separator, the solid-liquid separator is buckled on the liquid outlet, and the parts, corresponding to the two sides of the solid-liquid separator, of the bottom of the tank body are respectively provided with the liquid outlet.

The crystallization filter is characterized in that the top of the tank body is also provided with a liquid injection port.

The crystallization filter, wherein, the inside of the jar body still is provided with and is used for the installation mounting structure of lead screw, mounting structure includes mounting panel and setting up in this mounting panel lateral wall and follow a plurality of installation bars that lead screw radial direction extends, mounting structure's centre with the bottom of lead screw rotates to be connected.

The crystallization filter is characterized in that the mounting plate is provided with a mounting hole, and a shaft sleeve is arranged in the mounting hole and is further in rotary sealing connection with the bottom end of the screw rod.

The beneficial effects are that: the solution is poured into the tank body and then contacts with the two rebound pieces, cooling liquid is circulated in each rebound piece, so that the solution is easy to separate out rapidly, a discharge hole of the tank body is blocked to avoid larger grains, the two rebound pieces which are arranged in the tank body in a mirror image mode are all arranged in a spiral shape, the middle of each rebound piece moves up and down along with the rotation of a screw rod, the distance between adjacent parts of each rebound piece is changed, grains which are attached to the rebound piece and have larger sizes are crushed, and grains with smaller sizes are obtained.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, embodiments of the application are illustrated by way of example and not by way of limitation, and like reference numerals refer to similar or corresponding parts and in which:

FIG. 1 is a view showing the overall construction of a crystallization filter according to the present application;

FIG. 2 is a front view of the device shown in FIG. 1;

FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;

FIG. 4 is a view showing the resilient member of FIG. 3 with the fish scale removed;

FIG. 5 is a block diagram of a rebound member;

FIG. 6 is a top view of the resilient member of FIG. 5;

FIG. 7 is a block diagram of the rebound member in a retracted state;

FIG. 8 is a view of the resilient member of FIG. 5 with the addition of a louver;

FIG. 9 is a bottom view of FIG. 8;

FIG. 10 is an enlarged view of FIG. 3 at A;

FIG. 11 is an enlarged view at B in FIG. 3;

FIG. 12 is an enlarged view at C in FIG. 3;

FIG. 13 is a schematic diagram of the connection of a first blade unit and a second blade unit.

Reference numerals illustrate:

1. a tank body; 11. a liquid inlet; 12. a liquid outlet; 13. a liquid inlet pipe; 14. a liquid outlet pipe; 15. a liquid outlet; 16. a discharge port; 17. a liquid injection port; 2. a screw nut mechanism; 21. a screw rod; 221. a first nut; 222. a second nut; 23. a guide rod; 3. a driving motor; 4. a rebound member; 41. an inner end; 42. an outer end; 43. a gap; 5. a support structure; 51. a main body plate; 52. a support plate; 6. a fish scale plate; 61. a first fish scale monomer; 62. a second fish scale monomer; 7. a mounting structure; 71. a mounting plate; 72. a mounting bar; 8. a solid-liquid separator; 81. a filter hole; 9. and (3) a bracket.

Detailed Description

The following description of the embodiments of the present application will be made more complete and clear to those skilled in the art by reference to the figures of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The basic principle of the application is that after the solution is poured into the tank body 1, the solution is contacted with two rebound pieces 4, and cooling liquid circulates in each rebound piece 4, so that the solution is easy to separate out rapidly, in order to avoid blocking the discharge opening 16 of the tank body 1 due to the occurrence of larger crystal grains, the two rebound pieces 4 arranged in the tank body 1 in a mirror image manner are all arranged in a spiral shape, and the middle part of each rebound piece 4 moves up and down along with the rotation of a screw rod 21, so that the interval between the adjacent parts of each rebound piece 4 is changed, and therefore, the adhered crystal grains with larger sizes on the rebound pieces 4 are crushed, on one hand, the cleaning of crystals on a crystallization column is realized, and the crystal grains with more consistent sizes are obtained.

Having described the basic principles of the present application, various non-limiting embodiments of the application are described in detail below. Any number of elements in the figures are for illustration and not limitation, and any naming is used for distinction only and not for any limiting sense.

The principles and spirit of the present application are explained in detail below with reference to several representative embodiments thereof.

Referring to fig. 1 and 2, the crystallization filter provided by the application comprises a tank body 1, wherein the tank body 1 is vertically arranged and supported by a bracket 9, a liquid injection port 17 is arranged at the top of the tank body 1, a liquid discharge port 15 and two liquid discharge ports 16 are respectively arranged at the top of the tank body, after the solution injected into the tank body 1 is crystallized and filtered, crystals are discharged and collected through the two liquid discharge ports 16, and the crystallized solution is discharged out of the tank body 1 through the liquid discharge port 15.

Further, as a preferred embodiment, referring to fig. 3, the solid-liquid separator 8 is fastened at a position facing the liquid drain port 15 in the tank 1, the solid-liquid separator 8 is in an inverted cone shape, and filtering holes 81 are uniformly distributed on the inner side wall of the solid-liquid separator 8, after the solution is injected into the tank 1, the crystallized crystals fall on the solid-liquid separator 8 along with the solution, the solution is discharged through the filtering holes 81 on the solid-liquid separator 8, and the crystals are discharged through the two discharge holes.

Considering that the sizes of precipitated crystals are different, the discharge outlet 16 of the tank body 1 is easily blocked by the oversized crystal grains, the two specially arranged rebound members 4 can crush the oversized crystal grains, crush the larger crystal grains into smaller crystal grains, and facilitate the precipitated crystal grains to be smoothly discharged from the two discharge outlets 16.

Specifically, referring to fig. 4 to 9, the process of extruding the larger-sized grains by the two rebound members 4 is as follows, the driving motor 3 installed at the top of the can 1 is in driving connection with the screw 21 of the screw nut mechanism 2 extending into the inside of the can 1, and further the screw 21 is driven to rotate by the driving motor 3, both ends of the screw 21 are provided with the first screw thread portion and the second screw thread portion, and the rotation direction of the external screw thread on the first screw thread portion is opposite to that on the second screw thread portion.

In order to drive the two rebound members 4 to move through the screw rod 21, a first nut 221 which is matched with the external screw thread in the screwing direction is arranged on the first screw thread part, a second nut 222 which is matched with the external screw thread in the screwing direction is arranged on the second screw thread part, the inner end 41 of one rebound member 4 is arranged on the outer side wall of the first nut 221, and the inner end 41 of the other rebound member 4 is arranged on the outer side wall of the second nut 222. Taking the spiral line state shown in fig. 3, 4, 5, 6 and 8 as an example, when the screw rod 21 rotates, the first nut 221 and the second nut 222 move towards each other along the axial direction of the screw rod 21, and then the middle of the corresponding rebound member 4 is driven to move towards the middle of the screw rod 21 by the first nut 221 or the second nut 222 respectively, finally the two rebound members 4 are converted into the planar spiral line state shown in fig. 7 from the spiral line state, and in the process, the gap 43 between the adjacent parts of each rebound member 4 is gradually reduced, so that grains attached to each rebound member 4 are crushed, and the larger-size grains are crushed into smaller-size grains.

Further, as a preferred embodiment, guide rods 23 parallel to the axis of the screw 21 are provided around the screw 21, the four guide rods 23 are arranged at equal intervals along the axial direction of the screw 21, both ends of each guide rod 23 respectively pass through mounting holes on the end surfaces of the first nut 221 and the second nut 222, and when the first nut 221 and the second nut 222 move along the screw 21, the first nut 221 and the second nut 222 slide along the four guide rods 23, thereby providing a guide function for the first nut 221 and the second nut 222 through the four guide rods 23.

Still further, the inside bottom of jar body 1 still is provided with the mounting structure 7 that is used for installing lead screw 21 bottom, and mounting structure 7 includes mounting panel 71 and four installation bars 72, and mounting panel 71 wholly is circular, and the centre at mounting panel 71 top is opened porosely, has placed the axle sleeve in the downthehole, and the bottom of lead screw 21 then installs inside the axle sleeve, and then the bottom and the axle sleeve rotation of lead screw 21 are connected. The four mounting bars 72 are arranged at equal angles along the circumferential direction of the mounting plate 71, each mounting bar 72 is connected with the outer side wall of the mounting plate 71 in a radial shape, and one end of each mounting bar 72, which is far away from the mounting plate 71, is fixedly connected with the inner side wall of the tank body 1, so that the position of the mounting structure 7 is fixed.

Further, as a preferred embodiment, in order to keep the edge of the two rebound members 4 fixed, and further avoid rebound of the rebound members 4, a supporting structure 5 may be further disposed inside the tank 1 and between the two rebound members 4, the supporting structure 5 includes a main body plate 51 and four supporting plates 52, the main body plate 51 is integrally circular, an opening is provided at the center of the top surface of the main body plate 51, a shaft sleeve is mounted inside the opening, and the top end of the screw 21 passes through the opening, so that the middle of the screw 21 is rotationally connected with the shaft sleeve. Four backup pads 52 are equiangular and are the transmission form and install on the lateral wall of main part board 51 along the circumferencial direction of main part board 51, and the one end that main part board 51 was kept away from to each backup pad 52 then with jar body 1's inside wall fixed connection, and the outer end 42 of two rebound pieces 4 then respectively fixed the setting on the upper and lower face of each backup pad 52, and when the centre of each rebound piece 4 was along with the rotation of lead screw 21 and the time, because the outer end 42 of rebound piece 4 was fixed by four backup pads 52 to avoid rebound piece 4 to take place to rebound from top to bottom.

In some possible embodiments, the fin 6 is disposed between the adjacent parts of each rebound member 4, and the adjacent parts of each rebound member 4 are connected through the fin 6, so that the solution is prevented from being dispersed in the adjacent parts of the rebound members 4 due to excessive impact after being poured into the tank 1, uniformity of the size of the gap 43 between the adjacent parts of each rebound member 4 can be ensured, so that precipitated crystals can be extruded more uniformly, and crystal grains with more uniform sizes can be finally obtained.

Specifically, referring to fig. 8 and 13, each of the louver 6 may include a first louver monomer 61 and a second louver monomer 62, the first louver monomer 61 and the second louver monomer 62 are connected by a hinge shaft, the first louver monomer 61 and the second louver monomer 62 are further connected to corresponding adjacent portions of the resilient member 4, and the first louver monomer 61 and the second louver monomer 62 are disposed at an angle therebetween, thereby forming the louver 6 having a ">" vertical section.

In order to inject cooling liquid into each rebound member 4, four through holes for inserting two liquid inlet pipes 13 and two liquid outlet pipes 14 can be formed in the side wall of the tank body 1, and sealing rings are arranged in each through hole so as to realize sealing fit between each liquid inlet pipe 13 and each liquid outlet pipe 14 and the side wall of the tank body 1, so that the solution in the tank body 1 is prevented from leaking out from the through holes.

Referring to fig. 10 and 11, two liquid inlet pipes 13 are respectively connected with liquid inlet openings 11 of two rebound members 4 in a sealing manner, two liquid outlet pipes 14 are respectively connected with liquid outlet openings 12 of two rebound members 4 in a sealing manner, and then cooling liquid is injected into the corresponding rebound members 4 through the liquid inlet pipes 13, and the cooling liquid is discharged through the corresponding liquid outlet pipes 14, so that the cooling of the solution in the tank body 1 is realized, and the rapid precipitation of crystals in the solution is accelerated.

Further, as a preferred embodiment, referring to fig. 12, the tank 1 is further provided with a solid-liquid separator 8, the solid-liquid separator 8 is in a rounded cone shape, the solid-liquid separator 8 is fastened on the liquid outlet 12 at the bottom of the tank 1, the side wall of the solid-liquid separator 8 is uniformly provided with filtering holes 81, the separated crystals and solution are separated by the solid-liquid separator 8, the separated crystals are discharged through two discharge ports 16 at two sides of the solid-liquid separator 8, and the rest solution is discharged through the liquid outlet 12 through the filtering holes 81 on the solid-liquid separator 8.

The working process of the application is as follows: the cooling liquid is injected into the rebound parts 4 through the liquid inlet pipe 13, the driving motor 3 is started, the two rebound parts 4 are driven to move through the lead screw 21, solution is injected into the tank 1 through the liquid inlet 11 at the top of the tank 1, the solution is rapidly cooled after flowing through the two rebound parts 4, then crystals in the solution are rapidly separated out, the separated crystals are attached to the two rebound parts 4, the grains on the two rebound parts 4 are extruded into grains with smaller size in the reciprocating motion process, the final crystals are discharged through the two discharge ports 16, and the solution is discharged through the liquid outlet 15.

From the foregoing description of the present specification, it will be further understood by those skilled in the art that terms such as "upper", "lower", "front", "rear", "left", "right", "width", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate an azimuth or a positional relationship, are based on the azimuth or the positional relationship shown in the drawings of the present specification, are for convenience only in explaining aspects of the present application and simplifying the description, and do not explicitly or implicitly refer to devices or elements having to have the specific azimuth, be constructed and operate in the specific azimuth, and thus the azimuth or positional relationship terms described above should not be interpreted or construed as limitations of aspects of the present application.

In addition, in the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless specifically defined otherwise.

Claims

1. A crystallization filter, includes a jar body, its characterized in that still includes: the screw nut mechanism, with this screw nut mechanism transmission connection's driving motor and be two resilience pieces of heliciform, every the inside all circulation of resilience piece has the coolant liquid, screw nut mechanism includes:

2. The crystallization filter according to claim 1, wherein the inside of the tank is further provided with a supporting structure comprising a main body plate for being rotatably connected with the middle of the screw shaft and a plurality of supporting plates provided at the outer side of the main body plate, the plurality of supporting plates respectively extending in the radial direction of the screw shaft to be connected with the outer side edges of the two rebound members.

3. A crystallization filter according to claim 2, wherein adjacent portions of each of the resilient members are provided with a louver therebetween for connecting the same, each of the louvers comprising: the first fish scale plate monomer and the second fish scale plate monomer are respectively used for rotationally connecting the adjacent parts of the rebound piece, and the first fish scale plate monomer is also rotationally connected with the second fish scale plate monomer.

4. A crystallization filter according to claim 3, wherein each of the first and second fin elements has a ">" vertical cross section, and the ends of the first and second fin elements are hinged to each other to form the fin having a diamond-shaped vertical cross section.

5. The crystallization filter according to claim 1, wherein the inner wall of the tank body is provided with a liquid inlet and a liquid outlet corresponding to the outer side of each rebound member, the liquid inlet is provided with a liquid inlet pipe in a sealing manner, the liquid outlet is provided with a liquid outlet pipe in a sliding sealing manner, the liquid inlet pipe is further connected with one end of the corresponding rebound member, and the liquid outlet pipe is further connected with the other end of the rebound member.

6. The crystallization filter according to claim 1, wherein a liquid outlet is further formed in the bottom of the tank body, a solid-liquid separator in an inverted cone shape is further arranged in the tank body, filtering holes are uniformly distributed in the outer side wall of the solid-liquid separator, the solid-liquid separator is buckled on the liquid outlet, and discharge outlets are respectively formed in the bottom of the tank body corresponding to the two sides of the solid-liquid separator.

7. The crystallization filter according to claim 6, wherein the top of the tank is further provided with a liquid filling port.

8. The crystallization filter according to claim 1, wherein the tank body is further provided with a mounting structure for mounting the screw, the mounting structure comprises a mounting plate and a plurality of mounting bars arranged on the outer side wall of the mounting plate and extending along the radial direction of the screw, and the middle of the mounting structure is rotatably connected with the bottom of the screw.

9. The crystallization filter according to claim 8, wherein the mounting plate is provided with a mounting hole, and a shaft sleeve is arranged in the mounting hole and is further in rotary sealing connection with the bottom end of the screw rod.