CN217248822U

CN217248822U - Polymerization experimental device for synthesizing PGA in laboratory

Info

Publication number: CN217248822U
Application number: CN202123378861.8U
Authority: CN
Inventors: 王读彬; 季学广; 刘强; 严弘伟; 戴国伟
Original assignee: Polytex Chemical Engineering Co ltd
Current assignee: Polytex Chemical Engineering Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-23
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a polymerization experimental apparatus for synthetic PGA in laboratory, receive jar, polymerization condenser, vacuum receiving jar, cold well, vacuum buffer tank and vacuum pump including polymeric kettle, fractionating tower, condenser. The utility model discloses a set up the polymeric kettle, the fractionating tower, a condenser, receive the jar, the polymerization condenser, the vacuum is received jar, the cold well, the vacuum buffer tank, the vacuum pump, the fixed block, locating component and control assembly's cooperation, the user is through right control block, the cooperation makes the locating lever leave the butt joint inslot portion between control block and the control assembly, later through aiming at the butt joint piece and the position between the butt joint groove, be connected air inlet and transmission pipe, make drain pan and seal shell closure together simultaneously, the butt joint piece gets into the butt joint inslot portion, later fix a position through locating component, vacuum buffer tank and the vacuum pump among the current polymerization experimental apparatus have been solved and have been connected the back through the transmission pipe, the problem of leakage takes place easily in the junction.

Description

Polymerization experimental device for synthesizing PGA in laboratory

Technical Field

The utility model belongs to the technical field of the polymerization experimental apparatus, especially, relate to a polymerization experimental apparatus for laboratory synthesis PGA.

Background

The polymerization experimental apparatus is an equipment for synthetic PGA in laboratory, be through the polymeric kettle, the fractionating column, the jar is received to water, the condenser, the jar is received in the vacuum, the cold well, the vacuum buffer tank, the vacuum pump, and the heat medium circulation system who forms a complete set with it constitutes, the polymeric kettle has elevating gear, convenient to detach, the jar is received to the condensation and is this device special design, it is convenient to have to get the material, be difficult for blockking up the pipeline, the characteristics of being convenient for observe, vacuum buffer tank among the polymerization experimental apparatus is connected the back with the vacuum pump through the transmission pipe, the junction takes place easily to leak, the problem that prior art exists is: after a vacuum buffer tank and a vacuum pump in the polymerization experimental device are connected through a transmission pipe, the joint is easy to leak.

SUMMERY OF THE UTILITY MODEL

The problem that exists to prior art, the utility model provides a polymerization experimental apparatus for synthetic PGA in laboratory possesses vacuum buffer tank and vacuum pump to polymerization experimental apparatus, carries out secondary seal's advantage to the junction, has solved vacuum buffer tank and vacuum pump among the current polymerization experimental apparatus and has connected the back through the transmission pipe, and the junction takes place the problem of leaking easily.

The utility model discloses a realize like this, a polymerization experimental apparatus for synthetic PGA of laboratory, including polymeric kettle, fractionating tower, condenser, receiving tank, polymerization condenser, vacuum receiving tank, cold-well, vacuum buffer tank and vacuum pump, fractionating tower and polymerization condenser all communicate with polymeric kettle's right side is fixed, fractionating tower's top and condenser's top are fixed to be communicated, the bottom of condenser and the top of receiving tank are fixed to be communicated, cold-well and vacuum buffer tank and the right side of receiving tank are fixed to be communicated, the left side of cold-well and vacuum receiving tank's right side are fixed to be communicated, the top of vacuum receiving tank and polymerization condenser's top are fixed to be communicated, the right side of vacuum buffer tank is fixed to be communicated with the air inlet, the right side of air inlet is fixed to be communicated with the transmission pipe, one side that the transmission pipe kept away from the air inlet is fixed to be communicated with the output of vacuum pump, the fixed surface of air inlet is connected with the drain pan, the equal fixedly connected with fixed block in top bottom of drain pan, the inside top and the bottom of fixed block all are provided with locating component, the left side of fixed block is provided with the control assembly, the fixed surface of transmission pipe is connected with the sealed shell, the equal fixedly connected with cooperation piece in top and the bottom of sealed shell, the left side fixedly connected with butt joint piece of cooperation piece, the constant head tank has all been seted up to butt joint piece's top and bottom, the right side of fixed block is seted up with the butt joint groove that the cooperation of butt joint piece was used.

As the utility model discloses it is preferred, locating component includes locating lever and spring, the locating lever is close to one side of spring and is connected with the fixed surface of spring, the spring is kept away from one side of locating lever and the inner wall fixed connection of fixed block, the locating lever is close to one side of butt joint piece and is run through to the inside of butt joint groove, and uses with the constant head tank cooperation, the left side fixedly connected with transmission piece of locating lever, the transmission piece is close to one side fixedly connected with linkage block to the butt joint piece, there is the connecting rod front side of linkage block through first pivot swing joint, one side that the linkage block was kept away from to the connecting rod has the connecting block through second pivot swing joint, the connecting block uses with the control assembly cooperation.

As the utility model discloses it is preferred, the control assembly includes control block and control lever, the right side of control block and the left side fixed connection of control lever, the right side of control lever runs through to the inside of fixed block, the top and the equal fixedly connected with movable block in bottom of control lever, the control lever uses with the connecting block cooperation.

As the utility model discloses it is preferred, the inside of spring is provided with the gag lever post, the inner wall fixed connection of one side and fixed block of butt joint piece is kept away from to the gag lever post, the locating lever is kept away from one side of butt joint piece and is seted up the spacing hole that uses with the gag lever post cooperation.

As the utility model discloses it is preferred, one side fixedly connected with orbit piece that the control lever was kept away from to the movable block, the orbit groove of using with the cooperation of orbit piece has been seted up to the inner wall of fixed block.

As the utility model discloses preferred, the inner wall fixedly connected with sealing washer of sealed shell.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the polymeric kettle, the fractionating tower, the condenser, receive the jar, the polymerization condenser, the vacuum is received jar, the cold well, the vacuum buffer tank, the vacuum pump, the fixed block, locating component and control assembly's cooperation, the user is through the control block right, the cooperation makes the locating lever leave the butt joint inslot portion between control block and the control assembly, later through aiming at butt joint piece and the position between the butt joint groove, be connected air inlet and transmission pipe, make drain pan and seal shell closure together simultaneously, the butt joint piece gets into the butt joint inslot portion, later fix a position through locating component, the vacuum buffer tank who has solved among the current polymerization experimental apparatus is connected the back through the transmission pipe with the vacuum pump, the problem of leakage takes place for the junction easily.

2. The utility model discloses a set up locating component, can be connected the air inlet with the transmission pipe through aiming at butt joint piece and the position of butt joint between the groove, make drain pan and sealed shell closed together simultaneously, the butt joint piece gets into the butt joint inslot portion, later fixes a position through locating component to the position of fixed drain pan and sealed shell.

3. The utility model discloses a set up control assembly, can be through control block right, the cooperation makes the locating lever leave the butt joint inslot portion between control block and the control assembly, the butt joint between drain pan and the seal shell of being convenient for.

4. The utility model discloses a set up gag lever post and spacing hole, can restrict the position of locating lever, the position takes place the skew when avoiding the locating lever to remove, avoids the spring to take place deformation simultaneously.

5. The utility model discloses a set up orbit piece and orbit groove, can restrict the position of movable block, it is more stable when making the movable block remove.

6. The utility model discloses a set up the sealing washer, can improve the leakproofness behind drain pan and the butt joint of seal shell.

Drawings

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

fig. 2 is a cross-sectional view of a front view of a bottom shell and a closure shell according to an embodiment of the present invention;

fig. 3 is a partial enlarged view of a portion a in fig. 2 according to an embodiment of the present invention.

In the figure: 1. a polymerization kettle; 2. a fractionating column; 3. a condenser; 4. a receiving tank; 5. a polymerization condenser; 6. a vacuum receiving tank; 7. cooling the well; 8. a vacuum buffer tank; 9. a vacuum pump; 10. an air inlet; 11. a conveying pipe; 12. a bottom case; 13. a fixed block; 14. a positioning assembly; 1401. positioning a rod; 1402. a spring; 1403. a transmission block; 1404. a linkage block; 1405. a connecting rod; 1406. connecting blocks; 15. a control component; 1501. a control block; 1502. a control lever; 1503. a movable block; 16. sealing the shell; 17. a matching block; 18. a butt joint block; 19. positioning a groove; 20. a butt joint groove; 21. a limiting rod; 22. a limiting hole; 23. a track block; 24. a track groove; 25. and (5) sealing rings.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to fig. 3, an experimental apparatus for polymerization for synthesizing PGA in a laboratory according to an embodiment of the present invention includes a polymerizer 1, a fractionating tower 2, a condenser 3, a receiving tank 4, a polymerizing condenser 5, a vacuum receiving tank 6, a cold well 7, a vacuum buffer tank 8 and a vacuum pump 9, wherein the fractionating tower 2 and the polymerizing condenser 5 are both fixedly communicated with the right side of the polymerizer 1, the top of the fractionating tower 2 is fixedly communicated with the top of the condenser 3, the bottom of the condenser 3 is fixedly communicated with the top of the receiving tank 4, the cold well 7 and the vacuum buffer tank 8 are fixedly communicated with the right side of the receiving tank 4, the left side of the cold well 7 is fixedly communicated with the right side of the vacuum receiving tank 6, the top of the vacuum receiving tank 6 is fixedly communicated with the top of the polymerizing condenser 5, the right side of the vacuum buffer tank 8 is fixedly communicated with an air inlet 10, the right side of the air inlet 10 is fixedly communicated with a transmission pipe 11, one side that air inlet 10 was kept away from to transmission pipe 11 and the fixed intercommunication of output of vacuum pump 9, the fixed surface of air inlet 10 is connected with drain pan 12, the equal fixedly connected with fixed block 13 in top bottom of drain pan 12, the inside top and the bottom of fixed block 13 all are provided with locating component 14, the left side of fixed block 13 is provided with control assembly 15, the fixed surface of transmission pipe 11 is connected with sealed shell 16, the top and the equal fixedly connected with cooperation piece 17 in bottom of sealed shell 16, the left side fixedly connected with butt joint piece 18 of cooperation piece 17, constant head tank 19 has all been seted up to butt joint piece 18's top and bottom, butt joint groove 20 with the cooperation use of butt joint piece 18 has been seted up on the right side of fixed block 13.

Referring to fig. 3, the positioning assembly 14 includes a positioning rod 1401 and a spring 1402, one side of the positioning rod 1401 close to the spring 1402 is fixedly connected to the surface of the spring 1402, one side of the spring 1402 far away from the positioning rod 1401 is fixedly connected to the inner wall of the fixing block 13, one side of the positioning rod 1401 close to the butt-joint block 18 penetrates through the inside of the butt-joint groove 20 and is used in cooperation with the positioning groove 19, a transmission block 1403 is fixedly connected to the left side of the positioning rod 1401, one side of the transmission block 1403 close to the butt-joint block 18 is fixedly connected with a linkage block 1404, the front side of the linkage block 1404 is movably connected with a connecting rod 1405 through a first rotating shaft, one side of the connecting rod 1405 far away from the linkage block 1404 is movably connected with a connecting block 1406 through a second rotating shaft, and the connecting block 1406 is used in cooperation with the control assembly 15.

Adopt above-mentioned scheme: by providing the positioning assembly 14, the air inlet 10 and the conveying pipe 11 can be connected by aligning the position between the docking block 18 and the docking groove 20, and the bottom shell 12 and the sealing shell 16 are closed together, the docking block 18 enters the docking groove 20, and then the positioning assembly 14 is used for positioning, so as to fix the positions of the bottom shell 12 and the sealing shell 16.

Referring to fig. 3, the control assembly 15 includes a control block 1501 and a control rod 1502, the right side of the control block 1501 is fixedly connected to the left side of the control rod 1502, the right side of the control rod 1502 penetrates into the inside of the fixed block 13, the top and bottom of the control rod 1502 are fixedly connected with movable blocks 1503, and the control rod 1502 is matched with the connecting block 1406 for use.

Adopt above-mentioned scheme: by arranging the control assembly 15, the positioning rod 1401 can leave the inside of the butting groove 20 through the right control block 1501, the control block 1501 and the control assembly 15 in a matching manner, so that the butting between the bottom shell 12 and the sealing shell 16 is facilitated.

Referring to fig. 3, a limiting rod 21 is disposed inside the spring 1402, one side of the limiting rod 21 away from the butt-joint block 18 is fixedly connected with the inner wall of the fixing block 13, and one side of the positioning rod 1401 away from the butt-joint block 18 is provided with a limiting hole 22 used in cooperation with the limiting rod 21.

Adopt above-mentioned scheme: by providing the stopper rod 21 and the stopper hole 22, the position of the positioning rod 1401 can be restricted, and the position of the positioning rod 1401 is prevented from being shifted when the positioning rod 1401 is moved, and the spring 1402 is prevented from being deformed.

Referring to fig. 3, a track block 23 is fixedly connected to a side of the movable block 1503 away from the control rod 1502, and a track groove 24 matched with the track block 23 is formed in an inner wall of the fixed block 13.

Adopt above-mentioned scheme: by providing the track block 23 and the track groove 24, the position of the movable block 1503 can be restricted, and the movement of the movable block 1503 can be stabilized.

Referring to fig. 2, a sealing ring 25 is fixedly attached to an inner wall of the sealing case 16.

Adopt above-mentioned scheme: by providing the gasket 25, the sealing property after the bottom case 12 and the seal case 16 are butted can be improved.

The utility model discloses a theory of operation:

when the air inlet device is used, a user drives the control rod 1502 to move rightwards through the rightward control block 1501, the control rod 1502 drives the connecting block 1406 to move rightwards, the connecting block 1406 drives the connecting rod 1405 to drive the linkage block 1404 to move towards one side far away from the butt joint block 18 through matching between the first rotating shaft and the second rotating shaft, the linkage block 1404 drives the transmission block 1403 to move towards one side far away from the butt joint block 18, the transmission block 1403 drives the positioning rod 1401 to leave the inside of the butt joint groove 20, then the air inlet 10 and the transmission pipe 11 are connected through aligning the positions between the butt joint block 18 and the butt joint groove 20, meanwhile, the bottom shell 12 and the sealing shell 16 are closed together, the butt joint block 18 enters the inside of the butt joint groove 20, then the control block 1501 is loosened, and the positioning rod 1401 is pushed into the positioning groove 19 through elastic force generated by the spring 1402, and the use of the user is facilitated.

In conclusion: the polymerization experimental device for synthesizing PGA in the laboratory is provided with a polymerization kettle 1, a fractionating tower 2, a condenser 3, a receiving tank 4, a polymerization condenser 5, a vacuum receiving tank 6, a cold well 7, a vacuum buffer tank 8, a vacuum pump 9, a fixed block 13, a positioning component 14 and a control component 15 which are matched, a user enables a positioning rod 1401 to leave the inside of a butt joint groove 20 through right control block 1501, matching between the control block 1501 and the control component 15, then enables a gas inlet 10 and a transmission pipe 11 to be connected through aligning the position between the butt joint block 18 and the butt joint groove 20, and enables a bottom shell 12 and a sealing shell 16 to be closed together, the butt joint block 18 enters the butt joint groove 20 and is then positioned through the positioning assembly 14, and the problem that leakage is prone to occurring at the joint after a vacuum buffer tank and a vacuum pump in the existing polymerization experimental device are connected through a transmission pipe is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A polymerization experimental device for laboratory synthesis of PGA, comprising a polymerization kettle (1), a fractionating tower (2), a condenser (3), a receiving tank (4), a polymerization condenser (5), a vacuum receiving tank (6), a cold well (7), a vacuum buffer tank (8) and a vacuum pump (9), and is characterized in that: the fractionating tower (2) and the polymerization condenser (5) are fixedly communicated with the right side of the polymerization kettle (1), the top of the fractionating tower (2) is fixedly communicated with the top of the condenser (3), the bottom of the condenser (3) is fixedly communicated with the top of the receiving tank (4), the cold well (7) and the vacuum buffer tank (8) are fixedly communicated with the right side of the receiving tank (4), the left side of the cold well (7) is fixedly communicated with the right side of the vacuum receiving tank (6), the top of the vacuum receiving tank (6) is fixedly communicated with the top of the polymerization condenser (5), the right side of the vacuum buffer tank (8) is fixedly communicated with an air inlet (10), the right side of the air inlet (10) is fixedly communicated with a transmission pipe (11), one side of the transmission pipe (11), which is far away from the air inlet (10), is fixedly communicated with the output end of the vacuum pump (9), and the surface of the air inlet (10) is fixedly connected with a bottom shell (12), the equal fixedly connected with fixed block (13) in top bottom of drain pan (12), the inside top and the bottom of fixed block (13) all are provided with locating component (14), the left side of fixed block (13) is provided with control assembly (15), the fixed surface of transmission pipe (11) is connected with sealed shell (16), the equal fixedly connected with cooperation piece (17) in top and bottom of sealed shell (16), the left side fixedly connected with butt joint piece (18) of cooperation piece (17), constant head tank (19) have all been seted up to the top and the bottom of butt joint piece (18), butt joint groove (20) that use with butt joint piece (18) cooperation are seted up on the right side of fixed block (13).

2. The polymerization assay device for laboratory synthesis of PGA according to claim 1, wherein: the positioning assembly (14) comprises a positioning rod (1401) and a spring (1402), one side of the positioning rod (1401) close to the spring (1402) is fixedly connected with the surface of the spring (1402), one side of the spring (1402) far away from the positioning rod (1401) is fixedly connected with the inner wall of the fixed block (13), one side of the positioning rod (1401) close to the butt joint block (18) penetrates into the butt joint groove (20), and is matched with the positioning groove (19) for use, the left side of the positioning rod (1401) is fixedly connected with a transmission block (1403), one side of the transmission block (1403) close to the butt joint block (18) is fixedly connected with a linkage block (1404), the front side of the linkage block (1404) is movably connected with a connecting rod (1405) through a first rotating shaft, one side of the connecting rod (1405) far away from the linkage block (1404) is movably connected with a connecting block (1406) through a second rotating shaft, and the connecting block (1406) is matched with the control component (15) for use.

3. A polymerization experimental apparatus for laboratory synthesis of PGA according to claim 2, wherein: the control assembly (15) comprises a control block (1501) and a control rod (1502), the right side of the control block (1501) is fixedly connected with the left side of the control rod (1502), the right side of the control rod (1502) penetrates through the inside of the fixing block (13), the top and the bottom of the control rod (1502) are fixedly connected with movable blocks (1503), and the control rod (1502) is matched with the connecting block (1406) for use.

4. A polymerization experimental apparatus for laboratory synthesis of PGA according to claim 2, wherein: a limiting rod (21) is arranged inside the spring (1402), one side, far away from the butt-joint block (18), of the limiting rod (21) is fixedly connected with the inner wall of the fixing block (13), and a limiting hole (22) matched with the limiting rod (21) for use is formed in one side, far away from the butt-joint block (18), of the positioning rod (1401).

5. A polymerization experimental apparatus for laboratory synthesis of PGA according to claim 3, wherein: one side of the movable block (1503) far away from the control rod (1502) is fixedly connected with a track block (23), and a track groove (24) matched with the track block (23) is formed in the inner wall of the fixed block (13).

6. The polymerization experimental apparatus for laboratory synthesis of PGA according to claim 1, wherein: and the inner wall of the sealing shell (16) is fixedly connected with a sealing ring (25).