CN220610384U

CN220610384U - Automatic control feeding reaction kettle for preparing 4,4' -diamino dicyclohexylmethane

Info

Publication number: CN220610384U
Application number: CN202322228494.6U
Authority: CN
Inventors: 吴明泽; 马春生; 张启龙; 陈丹茜
Original assignee: Tongchuang Chemical Shandong Co ltd
Current assignee: Tongchuang Chemical Shandong Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-03-19
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses an automatic control feeding reaction kettle for preparing 4,4' -diamino dicyclohexylmethane, which comprises a kettle body, wherein the top of the kettle body is connected with a kettle cover through a bolt, the top of the kettle cover is riveted with a motor seat, the top of the motor seat is connected with a servo motor through a bolt, a rotating shaft of the servo motor penetrates through the motor seat and is fixedly connected with a rotating rod, the bottom end of the rotating rod penetrates through the kettle cover and is fixedly connected with a stirring rod, both sides of the top of the kettle cover are respectively riveted with a feeding mechanism, the bottom of the left side of an inner cavity of the kettle body is riveted with a first support plate, the top of the first support plate is connected with a chemical sensor through a bolt, and the top of the left side of the inner cavity of the kettle body is riveted with a flushing mechanism. According to the utility model, through the cooperation of the feeding mechanism, the first support plate and the chemical sensor, the automatic control feeding function is provided, chemical components can be detected, the feeding amount can be automatically controlled, and the reaction effect is improved.

Description

Automatic control feeding reaction kettle for preparing 4,4' -diamino dicyclohexylmethane

Technical Field

The utility model relates to the technical field of reaction kettles, in particular to an automatic control feeding reaction kettle for preparing 4,4' -diamino dicyclohexyl methane.

Background

The 4,4' -diamino dicyclohexylmethane is mainly used for preparing alicyclic dicyclohexylmethane diisocyanate (H12 MDI), has excellent optical performance and weather resistance, and can be used in the fields of damping materials, optical materials, coatings, engineering plastics, adhesives and the like.

The preparation of 4,4' -diamino dicyclohexylmethane is mainly carried out by catalyzing 4,4' -diamino diphenylmethane, and the 4,4' -diamino dicyclohexylmethane has three stereoisomers with different thermodynamic properties of trans, cis, trans and cis, the composition of the isomers determines the properties and the application of the product, wherein the trans-trans isomer is the most stable in thermodynamics, and the synthesis of the trans-trans isomer can be effectively promoted by reasonably controlling the feeding of reactants. In addition, the automatic control of reactant feeding can greatly reduce the preparation difficulty and labor cost.

At present, a plurality of reaction kettles are available for the preparation, but most reaction kettles are mainly focused on improving the stirring efficiency of materials in the reaction kettles at present, and the effective synthesis of products is realized through full stirring. The utility model patent of the patent application publication number CN215389220U discloses a chemical reaction kettle, which has the technical scheme that: including the cauldron body, the cylinder inner wall of the cauldron body has the fixed plate through the fix with screw, the bottom outer wall middle part and the top outer wall middle part of fixed plate all rotate and are connected with the driving gear, the top outer wall both sides and the bottom outer wall both sides of fixed plate rotate and are connected with the second driven gear, the top outer wall both sides and the bottom outer wall both sides of fixed plate rotate and connect first driven gear, the top outer wall both sides and the bottom outer wall both sides of fixed plate rotate and are connected with the third driven gear. The chemical reaction kettle has the beneficial effects that: the driving gear is rotated, so that the first driven gear, the second driven gear and the third driven gear rotate, namely, the stirring plates of the first driven gear and the third driven gear are opposite in direction, and the stirring mode can enable stirring to be more sufficient, so that the reaction rate is accelerated.

However, the device still has some defects in actual use, and obviously does not have an automatic feeding control function, so that automatic feeding cannot be performed according to the content of liquid components in the kettle body, subsequent reaction effects are affected, meanwhile, the device does not have a cleaning function, the surface of the sensor cannot be washed, and materials are easily adhered to the surface of the sensor, so that subsequent monitoring effects are affected.

Therefore, it is necessary to invent an automatic control feed reaction kettle for preparing 4,4' -diaminodicyclohexylmethane to solve the above problems.

Disclosure of Invention

The utility model aims to provide an automatic control feeding reaction kettle for preparing 4,4' -diamino dicyclohexylmethane, which has the advantages of automatic control feeding and flushing function, and solves the problems that the prior reaction kettle cannot automatically control the feeding amount and has no flushing function in the use process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automatic control feeding reation kettle for preparing 4,4 '-diamino dicyclohexylmethane, includes the cauldron body, there is the cauldron lid at the top of the cauldron body through bolted connection, the top of the cauldron lid is riveted with the motor cabinet, there is servo motor at the top of motor cabinet through bolted connection, servo motor's pivot runs through the motor cabinet and fixedly connected with bull stick, the bottom of bull stick runs through the cauldron lid and fixedly connected with puddler, the both sides at cauldron lid top all rivet feed mechanism, the riveting of the left bottom of the internal chamber of cauldron has first extension board, there is chemical sensor at the top of first extension board through bolted connection, the riveting of the left top of internal chamber of cauldron has flushing mechanism, the left side of the cauldron body has the mounting panel through bolted connection, there is the water pump the left side of mounting panel through bolted connection, the outlet pipe intercommunication of water pump has the delivery pipe, the bottom of feed mechanism front side is through bolted connection controller.

Preferably, the feeding mechanism comprises a fixed rod, the bottom and the kettle cover of fixed rod are riveted, the top of fixed rod is riveted with the box, the top intercommunication of box has the inlet pipe, the inner chamber fixedly connected with baffle of box, the bottom intercommunication of baffle has the conveyer pipe, the bottom of conveyer pipe runs through the box and communicates there is the flowmeter, the bottom intercommunication of flowmeter has the motorised valve, the bottom and the kettle cover of motorised valve are linked together, the front side of box is inlayed and is installed the liquid level window, the output and the one-way electricity of motorised valve of controller are connected, the controller is connected with the two-way electricity of flowmeter.

Preferably, the flushing mechanism comprises a second support plate, the left side of the second support plate is riveted with the inner wall of the kettle body, a protection cylinder is riveted at the bottom of the second support plate, an electric push rod is connected to the top of an inner cavity of the protection cylinder through a bolt, an output end of the electric push rod penetrates through the protection cylinder and is fixedly connected with a movable plate, a flushing pipe is riveted at the left side of the movable plate, a telescopic pipe is communicated with the left side of the top of the flushing pipe, the right end of the water supply pipe penetrates through the inner cavity of the kettle body and is communicated with the flushing pipe, the flushing pipe is located at the top of the chemical sensor, and the output end of the controller is electrically connected with the electric push rod in a unidirectional mode.

Preferably, the four corners of the bottom of the kettle body are riveted with supporting legs, and the bottoms of the supporting legs are riveted with supporting plates.

Preferably, a water inlet pipe of the water pump is communicated with a water suction pipe, and the output end of the controller is respectively and unidirectionally electrically connected with the water pump and the servo motor.

Preferably, the bottom of the kettle body is communicated with a discharge valve, and the output end of the controller is electrically connected with the discharge valve in a one-way.

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

1. according to the utility model, through the cooperation of the feeding mechanism, the first support plate and the chemical sensor, the automatic control feeding function is provided, chemical components can be detected, the feeding amount can be automatically controlled, and the reaction effect is improved.

2. The utility model has the flushing function through the cooperation of the flushing mechanism, the water pump and the water supply pipe, can flush the surface of the sensor, and avoids the adhesion of materials on the surface of the sensor, thereby improving the subsequent detection effect.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a schematic perspective cross-sectional view of the structure of the present utility model;

fig. 3 is a schematic perspective sectional view of a partial structure of the present utility model.

In the figure: 1. a kettle body; 2. a kettle cover; 3. a motor base; 4. a servo motor; 5. a rotating rod; 6. a stirring rod; 7. a feed mechanism; 8. a first support plate; 9. a chemical sensor; 10. a flushing mechanism; 11. a mounting plate; 12. a water pump; 13. a water supply pipe; 14. a controller; 15. a fixed rod; 16. a case; 17. a feed pipe; 18. a partition plate; 19. a delivery tube; 20. a flow meter; 21. an electric valve; 22. a second support plate; 23. a protective cylinder; 24. an electric push rod; 25. a movable plate; 26. a flushing pipe; 27. a telescopic tube; 28. a water pumping pipe; 29. a discharge valve.

Detailed Description

Referring to fig. 1-3, an automatic control feeding reaction kettle for preparing 4,4' -diamino dicyclohexyl methane comprises a kettle body 1, a kettle cover 2 is connected to the top of the kettle body 1 through bolts, a motor base 3 is riveted to the top of the kettle cover 2, a servo motor 4 is connected to the top of the motor base 3 through bolts, a rotating shaft of the servo motor 4 penetrates through the motor base 3 and is fixedly connected with a rotating rod 5, the bottom end of the rotating rod 5 penetrates through the kettle cover 2 and is fixedly connected with a stirring rod 6, two sides of the top of the kettle cover 2 are riveted with a feeding mechanism 7, a first support plate 8 is riveted to the bottom of the left side of an inner cavity of the kettle body 1, a chemical sensor 9 is riveted to the top of the first support plate 8 through bolts, a flushing mechanism 10 is riveted to the top of the left side of the inner cavity of the kettle body 1, a mounting plate 11 is connected to the left side of the mounting plate 11 through bolts, a water pump 12 is connected to the left side of the mounting plate through bolts, a water outlet pipe of the water pump 12 is communicated with a water supply pipe 13, and the bottom of the front side of the feeding mechanism 7 is connected with a controller 14 through bolts.

The feed mechanism 7 includes dead lever 15, the bottom and the kettle cover 2 riveting of dead lever 15, the top riveting of dead lever 15 has box 16, the top intercommunication of box 16 has inlet pipe 17, the inner chamber fixedly connected with baffle 18 of box 16, the bottom intercommunication of baffle 18 has conveyer pipe 19, the bottom of conveyer pipe 19 runs through box 16 and communicates there is flowmeter 20, the bottom intercommunication of flowmeter 20 has motorised valve 21, the bottom and the kettle cover 2 of motorised valve 21 are linked together, the front side of box 16 is inlayed and is installed the liquid level window, the output and the motorised valve 21 one-way electricity of controller 14 are connected, controller 14 and flowmeter 20 two-way electricity are connected, through setting up flowmeter 20, can detect liquid flow, the user's of facilitating the use is mastered the flow value.

The flushing mechanism 10 comprises a second support plate 22, the left side of the second support plate 22 is riveted with the inner wall of the kettle body 1, a protection cylinder 23 is riveted at the bottom of the second support plate 22, an electric push rod 24 is connected to the top of the inner cavity of the protection cylinder 23 through bolts, the output end of the electric push rod 24 penetrates through the protection cylinder 23 and is fixedly connected with a movable plate 25, a flushing pipe 26 is riveted at the left side of the movable plate 25, a telescopic pipe 27 is communicated with the left side of the top of the flushing pipe 26, the right end of a water supply pipe 13 penetrates through the inner cavity of the kettle body 1 and is communicated with the flushing pipe 26, the flushing pipe 26 is positioned at the top of the chemical sensor 9, the output end of the controller 14 is electrically connected with the electric push rod 24 in a one-way mode, and the flushing pipe 26 can move up and down through the arrangement of the electric push rod 24, so that the subsequent cleaning effect is improved.

The four corners of the bottom of the kettle body 1 are all riveted with supporting legs, the bottom of the supporting legs is riveted with a supporting plate, and the kettle body 1 can be stably supported by arranging the supporting legs, so that the kettle body is not easy to shake.

The inlet tube intercommunication of water pump 12 has water suction pipe 28, and the output of controller 14 is connected with water pump 12 and servo motor 4 unidirectional electricity respectively, through setting up water suction pipe 28, can extract the aqueous humor to make things convenient for subsequent flushing work.

The bottom intercommunication of the cauldron body 1 has discharge valve 29, and the output and the one-way electricity of discharge valve 29 of controller 14 are connected, through setting up discharge valve 29, can discharge the material after the reaction, have solved the unable problem of discharging out the cauldron body 1 of material.

When the chemical tank is used, chemical raw materials are conveyed to the inner cavity of the tank body 16 through the feeding pipe 17, the electric valve 21 is controlled by the controller 14 to be opened, raw materials are conveyed to the inner cavity of the tank body 1 through the conveying pipe 19, the servo motor 4 controls the servo motor 4 to operate, the servo motor 4 drives the rotary rod 5 and the stirring rod 6 to rotate, the stirring rod 6 carries out mixed reaction on the raw materials, the chemical sensor 9 detects components, when the components reach the preset threshold value of the controller 14, the electric valve 21 is controlled by the controller 14 to be closed at the moment, then the discharging valve 29 is controlled by the controller 14 to be opened, the reacted raw liquid is discharged by the discharging valve 29, when the surface of the chemical sensor 9 is required to be cleaned, the water pump 12 is controlled by the controller 14 to operate, an external water pipe is communicated with the water suction pipe 28, the water pump 12 pumps the external clear water through the water suction pipe 28, the clear water is conveyed to the flushing pipe 26 under the action of the water pipe 13 and the telescopic pipe 27, the electric push rod 24 is controlled by the controller 14 to be elongated, the output end of the electric push rod 24 drives the flushing pipe 26 to move downwards, and the flushing pipe 26 carries out water liquid on the surface of the chemical sensor 9, and finally the water is discharged to the tank body 1 through the discharging valve 29.

To sum up: this can automatic control feed valve reation kettle that opens and shuts through feeding mechanism 7, first extension board 8, chemical sensor 9, washing mechanism 10, water pump 12 and delivery pipe 13's cooperation, has solved current reation kettle in the use, can't carry out automatic control to the feed amount, does not have the problem of washing function simultaneously.

Claims

1. An automatic control feeding reaction kettle for preparing 4,4' -diamino dicyclohexylmethane, which comprises a kettle body (1), and is characterized in that: the utility model provides a kettle cover, including kettle cover (2), motor cabinet (3) and fixedly connected with bull stick (5) are run through in the pivot of servo motor (4), kettle cover (2) and fixedly connected with puddler (6) are run through to the bottom of bull stick (5), all rivet feed mechanism (7) in both sides at kettle cover (2) top, first extension board (8) are riveted to the bottom of kettle body (1) inner chamber left side, there is chemical sensor (9) at the top of first extension board (8) through bolted connection, the top of kettle body (1) inner chamber left side is riveted there is washing mechanism (10), the left side of kettle body (1) is through bolted connection there is mounting panel (11), the left side of mounting panel (11) is through bolted connection there is water pump (12), the outlet pipe intercommunication of water pump (12) has delivery pipe (13), the bottom of feed mechanism (7) is through bolted connection ware (14).

2. An automatically controlled feed reaction kettle for producing 4,4' -diaminodicyclohexylmethane according to claim 1, wherein: feed mechanism (7) are including dead lever (15), the bottom and the cauldron lid (2) riveting of dead lever (15), the top riveting of dead lever (15) has box (16), the top intercommunication of box (16) has inlet pipe (17), the inner chamber fixedly connected with baffle (18) of box (16), the bottom intercommunication of baffle (18) has conveyer pipe (19), the bottom of conveyer pipe (19) runs through box (16) and communicates there is flowmeter (20), the bottom intercommunication of flowmeter (20) has motorised valve (21), the bottom and the cauldron lid (2) of motorised valve (21) are linked together, the front side of box (16) is inlayed and is installed the liquid level window, the output and the motorised valve (21) of controller (14) are unilaterally electrically connected, controller (14) are connected with flowmeter (20) two-way electricity.

3. An automatically controlled feed reaction kettle for producing 4,4' -diaminodicyclohexylmethane according to claim 1, wherein: the flushing mechanism (10) comprises a second support plate (22), the left side of the second support plate (22) is riveted with the inner wall of the kettle body (1), a protection cylinder (23) is riveted at the bottom of the second support plate (22), an electric push rod (24) is connected to the top of an inner cavity of the protection cylinder (23) through a bolt, an output end of the electric push rod (24) penetrates through the protection cylinder (23) and is fixedly connected with a movable plate (25), a flushing pipe (26) is riveted at the left side of the movable plate (25), a telescopic pipe (27) is communicated with the left side of the top of the flushing pipe (26), the right end of the water supply pipe (13) penetrates through the inner cavity of the kettle body (1) and is communicated with the flushing pipe (26), the flushing pipe (26) is located at the top of the chemical sensor (9), and the output end of the controller (14) is electrically connected with the electric push rod (24) in a one-way.

4. An automatically controlled feed reaction kettle for producing 4,4' -diaminodicyclohexylmethane according to claim 1, wherein: support legs are riveted at four corners of the bottom of the kettle body (1), and support plates are riveted at the bottoms of the support legs.

5. An automatically controlled feed reaction kettle for producing 4,4' -diaminodicyclohexylmethane according to claim 1, wherein: the water inlet pipe of the water pump (12) is communicated with a water suction pipe (28), and the output end of the controller (14) is respectively and unidirectionally electrically connected with the water pump (12) and the servo motor (4).

6. An automatically controlled feed reaction kettle for producing 4,4' -diaminodicyclohexylmethane according to claim 1, wherein: the bottom of the kettle body (1) is communicated with a discharge valve (29), and the output end of the controller (14) is electrically connected with the discharge valve (29) in a one-way.