CN218980504U

CN218980504U - Crystallization device for preparing octanoyl hydroxamic acid

Info

Publication number: CN218980504U
Application number: CN202223254763.8U
Authority: CN
Inventors: 秦莉锦; 袁永瑞; 刘昌健
Original assignee: Heze New Oriental Daily Chemical Technology Co ltd
Current assignee: Heze New Oriental Daily Chemical Technology Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-09
Anticipated expiration: 2032-12-02

Abstract

The application relates to a crystallization device for preparing octanoyl hydroxamic acid, including the crystallization kettle, be equipped with two division boards in the crystallization kettle, the division board separates into feed liquor chamber, crystallization chamber and play liquid chamber from last to lower with crystallization kettle is inside, a plurality of cooling tubes of fixedly connected with in the crystallization kettle, cooling tube upper end and feed liquor chamber intercommunication, lower extreme and play liquid chamber intercommunication, the coolant inlet has been seted up to the feed liquor chamber, the coolant outlet has been seted up to play liquid chamber, feed inlet and discharge gate have been seted up to the crystallization chamber. The cooling liquid enters the liquid inlet cavity through the cooling liquid inlet, and the cooling liquid in the liquid inlet cavity is introduced into the liquid outlet cavity through a plurality of cooling pipes and then is discharged through the cooling liquid outlet. The material to be crystallized enters the crystallization cavity from the feed inlet, the material in the crystallization cavity is subjected to heat exchange with the cooling liquid through the cooling pipe so as to be cooled and crystallized, and the material precipitated after crystallization is discharged from the discharge outlet. The application has the effect of enhancing the cooling effect of the material and improving the crystallization efficiency of the material.

Description

Crystallization device for preparing octanoyl hydroxamic acid

Technical Field

The present application relates to the field of crystallization technology equipment, and in particular to a crystallization device for preparing octanoyl hydroxamic acid.

Background

The crystallization kettle is crystallization equipment which needs chilled water or chilled water to be rapidly cooled in an interlayer after liquid mixing reaction, and is mixing reaction equipment in the processes of liquid mixing, heating, cooling, stirring and the like in the industries of chemical industry, pharmacy, food and the like. Crystallization in the preparation of octanoyl hydroxamic acid is typically carried out using a crystallization kettle.

The related art can refer to the chinese patent publication No. CN213313441U and discloses a crystallization kettle, including crystallization kettle and agitating unit, the top of crystallization kettle is equipped with the feed inlet, and the bottom is connected with vertical discharging pipe, and the lower extreme of vertical discharging pipe is equipped with the end cap, and the lateral part is connected with the slope discharging pipe, is provided with the valve on the slope discharging pipe. The side wall of the crystallization kettle is internally provided with a jacket, and the outer side of the crystallization kettle is provided with a circulating cooling liquid inlet and a circulating cooling liquid outlet. The stirring device comprises a stirring shaft, a stirrer, a helical blade and a scraping plate, the lower end of the stirring shaft is rotationally connected with the plug, the upper end of the stirring shaft penetrates out of the crystallization kettle and is connected with the driver, the stirrer, the helical blade and the scraping plate are sequentially arranged on the stirring shaft from top to bottom, the stirrer is arranged in the crystallization kettle, the helical blade and the scraping plate are arranged in the vertical discharging pipe, and the scraping plate is positioned at the same height with the inlet end of the inclined discharging pipe.

Aiming at the related technology, cooling liquid is introduced into the jacket through the cooling liquid inlet and then is discharged through the cooling liquid outlet, the crystallization kettle is cooled to promote material crystallization, most of the materials are far away from the jacket, the overall cooling effect is poor, and the crystallization efficiency is low.

Disclosure of Invention

In order to enhance the cooling effect of materials and improve the crystallization efficiency of the materials, the application provides a crystallization device for preparing octanoyl hydroxamic acid.

The application provides a crystallization device for preparing octanoyl hydroxamic acid, which adopts the following technical scheme:

the utility model provides a crystallization device for preparing octanoyl hydroxamic acid, includes the crystallization kettle, be equipped with two division boards in the crystallization kettle, the division board separates into feed liquor chamber, crystallization chamber and play liquid chamber from last to lower with crystallization kettle inside, fixedly connected with a plurality of cooling tubes in the crystallization kettle, cooling tube upper end and feed liquor chamber intercommunication, lower extreme and play liquid chamber intercommunication, the coolant liquid entry has been seted up to the feed liquor chamber, the coolant liquid export has been seted up to play liquid chamber, feed inlet and discharge gate have been seted up to the crystallization chamber.

Through adopting above-mentioned technical scheme, coolant liquid gets into the feed liquor chamber through the coolant liquid entry, and the coolant liquid in the feed liquor chamber lets in the play liquid chamber through a plurality of cooling tubes, and rethread coolant liquid export discharges. The material to be crystallized enters the crystallization cavity from the feed inlet, the material in the crystallization cavity is subjected to heat exchange with the cooling liquid through the cooling pipe so as to be cooled and crystallized, and the crystallized material is discharged from the discharge outlet. The cooling effect of the material is enhanced, and the crystallization efficiency of the material is improved.

Optionally, sliding connection has the spoiler in the crystallization chamber, crystallization kettle top fixedly connected with support, be equipped with the cylinder on the support, the vertical decurrent setting of cylinder telescopic shaft, feed liquor intracavity fixedly connected with connecting pipe, connecting pipe upper end and crystallization kettle outer wall intercommunication, lower extreme and crystallization chamber intercommunication, sliding connection has the connecting rod in the connecting pipe, connecting rod one end and cylinder telescopic shaft fixed connection, the other end and spoiler fixed connection.

By adopting the technical scheme, the telescopic shaft of the air cylinder stretches repeatedly, so that the connecting rod drives the spoiler to reciprocate in the crystallization cavity, and the flow of materials in the crystallization cavity is promoted. On the one hand, the caking of materials is prevented, on the other hand, the materials can be more uniformly mixed, and the crystallization efficiency of the materials is improved.

Optionally, a plurality of trompils have been seted up on the spoiler, the unnecessary cooling tube's of quantity of trompil quantity, the trompil includes the hole first just to with the cooling tube one by one and staggers the hole second that sets up with the cooling tube, cooling tube sliding connection just in hole first and hole first inner wall and cooling tube outer wall butt.

By adopting the technical scheme, the cooling water circularly flows in the cooling pipe, so that the temperature of the cooling pipe is always lower, a large amount of solid precipitated by crystallization can be adhered to the outer wall of the cooling pipe, and the discharge is not facilitated. The inner wall of the first hole is abutted with the outer wall of the cooling pipe, and the first hole scrapes off crystalline solids on the outer wall of the cooling pipe in the reciprocating sliding process of the liquid inlet cavity of the spoiler. And the second hole is used for enabling the crystallized solid to pass through the spoiler and reach the discharge hole. Improves the crystallization efficiency of materials

Optionally, a plurality of propellers are rotatably connected to the spoiler, and the propellers are uniformly distributed among the openings.

By adopting the technical scheme, along with the reciprocating sliding of the spoiler in the crystallization cavity, the propeller can rotate along with the reciprocating sliding, and the spoiler effect is also achieved. The materials are more uniformly mixed, and the crystallization efficiency of the materials is improved.

Optionally, the shape and the size of the spoiler are matched with those of the cross section of the crystallization cavity, and the spoiler is abutted with the inner wall of the crystallization cavity.

By adopting the technical scheme, in the crystallization process, the solid separated out by partial crystallization can be adsorbed on the side wall of the crystallization cavity, and is difficult to drop and discharge. The spoiler is abutted against the inner wall of the crystallization cavity, and along with the reciprocating sliding of the spoiler in the crystallization cavity, the solids on the side wall of the crystallization cavity can be scraped off and discharged.

Optionally, feed liquor intracavity fixedly connected with driving tube, driving tube upper end and crystallization kettle outer wall intercommunication, lower extreme and crystallization chamber intercommunication, the discharge gate is located crystallization chamber bottom and is being the middle part, fixedly connected with discharging pipe in the liquid outlet chamber, discharging pipe upper end intercommunication discharge gate, lower extreme and crystallization kettle outer wall intercommunication, driving tube aligns from top to bottom with the discharging pipe, fixedly connected with rotation motor on the support, rotation motor output shaft sets up vertically downwards and fixedly connected with transfer line, the transfer line wears to locate in the driving tube, rotation motor one end is kept away from to the transfer line is located the discharging pipe, rotation motor one end fixedly connected with helical blade is kept away from to the transfer line.

By adopting the technical scheme, the solid precipitated by crystallization has poor fluidity, and often blocks a discharge hole, thereby affecting the normal operation of the crystallization kettle. The output shaft of the rotating motor drives the transmission rod to rotate, and the spiral blades on the transmission rod break up solids blocked at the discharge hole. Effectively avoids the condition that the solid blocks the discharge port and ensures the normal operation of the crystallization kettle.

Optionally, an insulating layer is laid on the outer wall of the crystallization kettle.

By adopting the technical scheme, the liquid crystallization needs to provide a low-temperature environment, and the heat preservation layer is made of heat preservation materials and has good heat insulation performance. Can effectively prevent heat exchange inside and outside the crystallization kettle, save the consumption of cooling water and improve the crystallization efficiency of materials.

Optionally, a manhole is formed on the outer wall of the crystallization kettle.

Through adopting above-mentioned technical scheme, the crystallization kettle needs periodic cleaning and maintenance after long-term use, and the manhole can help the staff to get into inside the crystallization kettle soon, need not to disassemble the crystallization kettle, has saved the manual work.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cooling liquid enters the liquid inlet cavity through the cooling liquid inlet, the cooling liquid in the liquid inlet cavity is introduced into the liquid outlet cavity through a plurality of cooling pipes, and then discharged through the cooling liquid outlet, the material to be crystallized enters the crystallization cavity from the feed inlet, and the material in the crystallization cavity is subjected to heat exchange with the cooling liquid through the cooling pipes so as to be cooled and crystallized, and the crystallized material is discharged from the discharge outlet, so that the cooling effect of the material is enhanced, and the crystallization efficiency of the material is improved;

2. the telescopic shaft of the air cylinder stretches repeatedly, so that the connecting rod drives the spoiler to reciprocate in the crystallization cavity, the material flowing in the crystallization cavity is promoted, on one hand, the material is prevented from caking, on the other hand, the materials can be mixed more uniformly, and the crystallization efficiency of the materials is improved;

3. the output shaft of the rotating motor drives the transmission rod to rotate, and the spiral blades on the transmission rod break up solids blocked at the discharge port, so that the condition that the solids block the discharge port is effectively avoided, and the normal operation of the crystallization kettle is ensured.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the embodiment.

Fig. 2 is a schematic view showing an internal structure of the spoiler in the embodiment.

Reference numerals illustrate: 1. a crystallization kettle; 11. a partition plate; 12. a liquid inlet cavity; 121. a cooling liquid inlet; 122. a connecting pipe; 123. a transmission tube; 13. a crystallization chamber; 131. a feed inlet; 132. a discharge port; 14. a liquid outlet cavity; 141. a cooling liquid outlet; 142. a discharge pipe; 2. a cooling tube; 3. a spoiler; 31. opening holes; 311. a first hole; 312. a second hole; 32. a propeller; 4. a bracket; 41. a cylinder; 411. a connecting rod; 42. a rotating motor; 421. a transmission rod; 4211. a helical blade; 5. a heat preservation layer; 6. and (5) a manhole.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a crystallization device for preparing octanoyl hydroxamic acid.

Referring to fig. 1 and 2, a crystallization apparatus for preparing octanoyl hydroxamic acid comprises a crystallization kettle 1, wherein two partition plates 11 are arranged in the crystallization kettle 1, and the partition plates 11 are horizontally arranged and fixedly connected with the inner wall of the crystallization kettle 1. The separation plate 11 divides the inside of the crystallization kettle 1 into a liquid inlet cavity 12, a crystallization cavity 13 and a liquid outlet cavity 14, wherein the liquid inlet cavity 12 is positioned at the uppermost part, and the liquid outlet cavity 14 is positioned at the lowermost part.

Referring to fig. 1 and 2, a cooling liquid inlet 121 for cooling liquid to enter is formed in the side wall of the liquid inlet cavity 12, a cooling liquid outlet 141 is formed in the side wall of the liquid outlet cavity 14, a feed inlet 131 is formed in the side wall of the crystallization cavity 13, and a discharge outlet 132 is formed in the middle of the bottom end of the crystallization cavity 13. A discharging pipe 142 is fixedly connected in the liquid outlet cavity 14, one end of the discharging pipe 142 is communicated with the liquid inlet cavity 12, and the other end is communicated with the outer wall of the crystallization kettle 1.

Referring to fig. 1 and 2, the top end of the crystallization kettle 1 is fixedly connected with a bracket 4, the bracket 4 is fixedly connected with a rotating motor 42, an output shaft of the rotating motor 42 is vertically downwards arranged, and the output shaft of the rotating motor 42 is opposite to the central part of the liquid inlet cavity 12. Two cylinders 41 are fixedly connected to the support 4, and telescopic shafts of the cylinders 41 are vertically arranged downwards.

Referring to fig. 1 and 2, a transmission pipe 123 is arranged in the middle of the liquid inlet cavity 12, one end of the transmission pipe 123 is communicated with the crystallization cavity 13, the other end of the transmission pipe 123 is communicated with the outer wall of the crystallization kettle 1, and the transmission pipe 123 is aligned with the position of the rotating electric output shaft up and down. The output shaft of the rotary motor 42 is fixedly connected with a transmission rod 421, the transmission rod 421 is vertically arranged, and one end, far away from the rotary motor 42, of the transmission rod 421 extends into the discharging pipe 142. The size of the cross section of the transmission rod 421 is matched with that of the transmission pipe 123. The end of the transmission rod 421 away from the rotary motor 42 is fixedly connected with a helical blade 4211 for cleaning solids accumulated in the discharge pipe 142.

Referring to fig. 1 and 2, a plurality of cooling pipes 2 are fixedly connected in the crystallization chamber 13, and the cooling pipes 2 are vertically arranged. One end of the cooling pipe 2 is communicated with the liquid inlet cavity 12, and the other end is communicated with the liquid outlet cavity 14. For heat exchange of the cooling liquid with the solution.

Referring to fig. 1 and 2, two connecting pipes 122 are fixedly connected in the liquid inlet cavity 12, one end of each connecting pipe 122 is communicated with the crystallization cavity 13, and the other end is communicated with the outer wall of the crystallization kettle 1. The two connecting pipes 122 are aligned up and down with the two cylinders 41. The telescopic shaft of the air cylinder 41 is fixedly connected with a connecting rod 411, and one end, far away from the air cylinder 41, of the connecting rod 411 stretches into the crystallization cavity 13 and is fixedly connected with a spoiler 3.

Referring to fig. 1 and 2, the spoiler 3 is vertically slidably connected in the crystallization cavity 13, and a plurality of openings 31 are formed in the spoiler 3, and the number of the openings 31 is greater than that of the cooling pipes 2. The opening 31 comprises a first hole 311 which is opposite to the cooling pipes 2 one by one and a second hole 312 which is staggered with the cooling pipes 2, the cooling pipes 2 are connected in the first hole 311 in a sliding manner, and the inner wall of the first hole 311 is abutted with the outer wall of the cooling pipes 2. The spoiler 3 is rotatably connected with a plurality of propellers 32, and the propellers 32 are uniformly distributed on the upper side and the lower side of the spoiler 3.

Referring to fig. 1 and 2, an insulation layer 5 is laid on the surface of the crystallization kettle 1, and the insulation layer 5 is made of an insulation material. Manhole 6 for overhauling is arranged on the side wall of crystallization kettle 1. The bottom end of the crystallization kettle 1 is fixedly connected with a foundation frame for supporting the crystallization kettle 1.

The implementation principle of the crystallization device for preparing octanoyl hydroxamic acid in the embodiment of the application is as follows: the solution is introduced into the crystallization chamber 13 through the feed inlet 131, the cooling liquid enters the liquid inlet chamber 12 through the cooling liquid inlet 121 and is introduced into the cold extraction pipe, and finally, the cooling liquid enters the liquid outlet chamber 14 and is discharged through the cooling liquid outlet 141. The low-temperature cooling liquid exchanges heat with the solution through the cooling pipe 2, the temperature of the solution is reduced, and crystals are separated out after the solubility of the solute is reduced. The electric connecting rod 411 of the air cylinder 41 drives the spoiler 3 to reciprocate up and down, so that materials are mixed more uniformly, and the cooling pipe 2 and the attached solids in the crystallization cavity 13 are scraped. The cooling effect of the material is enhanced, and the crystallization efficiency of the material is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The crystallization device for preparing octanoyl hydroxamic acid comprises a crystallization kettle (1), and is characterized in that: be equipped with two division boards (11) in crystallization kettle (1), division board (11) are inside to separate into feed liquor chamber (12), crystallization chamber (13) and play liquid chamber (14) from last to lower with crystallization kettle (1), fixedly connected with a plurality of cooling tubes (2) in crystallization kettle (1), cooling tube (2) upper end and feed liquor chamber (12) intercommunication, lower extreme and play liquid chamber (14) intercommunication, cooling liquid inlet (121) have been seted up in feed liquor chamber (12), cooling liquid outlet (141) have been seted up in play liquid chamber (14), feed inlet (131) and discharge gate (132) have been seted up in crystallization chamber (13).

2. The crystallization apparatus for producing octanoyl hydroxamic acid according to claim 1, characterized in that: the utility model discloses a crystallization kettle, crystallization kettle (1) top fixedly connected with support (4), be equipped with cylinder (41) on support (4), the vertical decurrent setting of cylinder (41) telescopic shaft, fixedly connected with connecting pipe (122) in feed liquor chamber (12), connecting pipe (122) upper end and crystallization kettle (1) outer wall intercommunication, lower extreme and crystallization chamber (13) intercommunication, sliding connection has connecting rod (411) in connecting pipe (122), connecting rod (411) one end and cylinder (41) telescopic shaft fixed connection, the other end and spoiler (3) fixed connection.

3. The crystallization apparatus for producing octanoyl hydroxamic acid according to claim 2, characterized in that: a plurality of holes (31) are formed in the spoiler (3), the number of the holes (31) is larger than that of the cooling pipes (2), the holes (31) comprise holes one (311) which are opposite to the cooling pipes (2) one by one and holes two (312) which are staggered with the cooling pipes (2), and the cooling pipes (2) are connected in the holes one (311) in a sliding mode and the inner walls of the holes one (311) are abutted to the outer walls of the cooling pipes (2).

4. The crystallization apparatus for producing octanoyl hydroxamic acid according to claim 2, characterized in that: the spoiler (3) is rotatably connected with a plurality of propellers (32), and the propellers (32) are uniformly distributed among the holes (31).

5. The crystallization apparatus for producing octanoyl hydroxamic acid according to claim 2, characterized in that: the shape and the size of the spoiler (3) are matched with those of the cross section of the crystallization cavity (13), and the spoiler (3) is abutted with the inner wall of the crystallization cavity (13).

6. The crystallization apparatus for producing octanoyl hydroxamic acid according to claim 1, characterized in that: fixedly connected with transfer line (123) in feed liquor chamber (12), transfer line (123) upper end and crystallization kettle (1) outer wall intercommunication, lower extreme and crystallization chamber (13) intercommunication, discharge gate (132) are located crystallization chamber (13) bottom and are being the middle part, fixedly connected with discharging pipe (142) in play liquid chamber (14), discharging pipe (142) upper end intercommunication discharge gate (132), lower extreme and crystallization kettle (1) outer wall intercommunication, transfer line (123) are aligned from top to bottom with discharging pipe (142), fixedly connected with rotation motor (42) on support (4), rotation motor (42) output shaft is vertical downwards to be set up and fixedly connected with transfer line (421), in rotation motor (123) are worn to locate by transfer line (421), rotation motor (42) one end is kept away from to transfer line (421), rotation motor (42) one end fixedly connected with helical blade (4211) are kept away from to transfer line (421).

7. The crystallization apparatus for producing octanoyl hydroxamic acid according to claim 1, characterized in that: an insulating layer (5) is arranged on the outer wall of the crystallization kettle (1).

8. The crystallization apparatus for producing octanoyl hydroxamic acid according to claim 1, characterized in that: and a manhole (6) is formed in the outer wall of the crystallization kettle (1).