CN108187602B

CN108187602B - Mixing process system for cycloaddition reaction of 1,3 butadiene and butadiene anhydride

Info

Publication number: CN108187602B
Application number: CN201810057766.1A
Authority: CN
Inventors: 刘毅; 张锐; 丁克富; 何碧成
Original assignee: Zinc Shield Chemical Wuxi Co Ltd
Current assignee: Zinc shield chemical Wuxi Co., Ltd.
Priority date: 2018-01-22
Filing date: 2018-01-22
Publication date: 2020-02-14
Anticipated expiration: 2038-01-22
Also published as: CN108187602A

Abstract

The invention discloses a mixing process system for cycloaddition reaction of 1, 3-butadiene and maleic anhydride, which comprises a liquid mixing disc, a first motor box, a protective disc, a distribution box, an insertion groove, a first rotating gear ring, a mixing box, a first gear, a second rotating gear ring, a second motor box, an accumulator box, a liquid filling seal cover, a mixing bin, a second gear, a clamping tooth, a clamping block, a hanging block, a swinging column and a third gear. The invention has the beneficial effects that: the blending box can drive and mix the storehouse and carry out clockwise rotation in step, guarantees that the device is higher to chemical reaction liquid mixing efficiency, and the mixing reaction is faster between the reaction liquid, has guaranteed the flexibility of using. The device has high automation degree, does not need manual operation and control during working, saves time and labor when in use, is inserted into the insertion groove at the upper end of the second motor box through the protection disc with a hollow cylindrical structure, and separates and blocks the liquid mixing disc by utilizing the side wall of the protection disc, so that the liquid mixing disc has more uniform speed and is not easy to topple over when rotating; the device is convenient to operate, and all components are flexibly connected.

Description

Mixing process system for cycloaddition reaction of 1,3 butadiene and butadiene anhydride

Technical Field

The invention belongs to the field of chemical production equipment, and particularly relates to a mixing process system for cycloaddition reaction of 1,3 butadiene and butyl maleic anhydride.

Background

Chemical reaction liquid is indispensable in chemical plants, chemical reaction liquid is various, chemical products are generally prepared by mixing various chemical reaction liquid, a mixing device is very important chemical equipment, and the mixing device is mainly used for filling various chemical reaction liquid and enabling various chemical reaction liquid to be fully mixed and reacted in the mixing device so as to prepare the products.

But current a mixing arrangement for chemical reaction liquid still has certain defect when using, and current a mixing arrangement for chemical reaction liquid has to chemical reaction liquid mixing efficiency low, and chemical reaction liquid combines reaction rate slow in mixing arrangement, and mixing arrangement degree of automation is low, needs the manual work to control during the use, wastes time and energy, and the operation is inconvenient, the poor shortcoming of security.

Disclosure of Invention

In order to make up the defects of the prior art, the mixing process system for the cycloaddition reaction of 1,3 butadiene and butadiene maleic anhydride provided by the invention can realize the sufficient mixing of 1,3 butadiene and butadiene maleic anhydride, and can effectively improve the mixing efficiency of the cycloaddition reaction, thereby greatly shortening the reaction time.

In order to solve the technical problems, the invention adopts the technical scheme that: a mixing process system for cycloaddition reaction of 1,3 butadiene and maleic anhydride comprises a liquid mixing disc, a first motor box, a protection disc and a distribution box, wherein the protection disc is embedded above the first motor box, the distribution box is arranged at the bottom of the first motor box, and a first rotating gear ring is embedded above the middle part of the first motor box; a mixing box is arranged above the liquid mixing disc, the bottom of the mixing box is rotatably connected with a first gear, a storage box is arranged at the bottom of the liquid mixing disc, a second motor box is electrically connected above the storage box, and a second rotating gear ring is arranged above the second motor box; a liquid filling sealing cover convenient for filling chemical reaction liquid is arranged at the top of the mixing box, and a mixing bin is arranged in the mixing box; a second gear is arranged in the middle of the bottom of the second rotating gear ring, a plurality of clamping teeth are arranged on the inner wall of the second rotating gear ring at equal intervals, and the second rotating gear ring is matched with the first gear; clamping blocks are arranged below two ends of the liquid containing sealing cover, and hanging blocks are arranged at two ends of the joint of the mixing bin and the liquid containing sealing cover; a swing connecting column is arranged below the middle of the electric storage box, and one end of the swing connecting column is sleeved with a third gear; the distribution box is electrically connected with the first motor box, a motor in the first motor box is in rotary connection with the swing column through a first rotary gear ring, a motor in the second motor box is in rotary connection with a second rotary gear ring through a second gear, and the second rotary gear ring is in rotary connection with the mixing box through the first gear; the swing post is of a cylindrical structure and the corner of the swing post is 120 degrees.

Preferably, two vertical partition plates and a top plate positioned at the tops of the partition plates are arranged inside the mixing box, the mixing box is divided into three chambers by the two partition plates, the mixing chamber is positioned between the two partition plates, the left side and the right side of the mixing chamber are used as raw material storage chambers, the two raw material storage chambers are respectively used for storing butadiene and maleic anhydride, a feed inlet is formed in the top plate, a valve is arranged on the feed inlet, a discharge port is formed in the bottom of the mixing box, a valve is arranged on the discharge port, and the discharge port is communicated with the mixing chamber; the two clapboards are respectively provided with a one-way valve which is opened under the action of gravity and is used for ensuring the one-way circulation of the raw materials in the raw material storage chamber to the mixing bin. The volume of the raw material storage chamber is smaller than that of the mixing bin. According to the technical scheme, automatic filling is realized by changing the stress direction of the one-way valve in the rotating process of the mixing box, the use of electric products is reduced, the production cost is reduced, and the accident rate is reduced; through setting up three bins and utilizing the change of atress to realize the interval formula of raw materials and adding, be favorable to the intensive mixing and the reaction of raw materials, improved the efficiency of cycloaddition reaction.

Preferably, be equipped with the multilayer baffle in the mixing bin, the baffle is fixed between two baffles, is equipped with the through-hole on the baffle, and the baffle is used for reducing rocking of synthetic product, improves the problem regulation of this device.

Preferably, a liquid storage plate is arranged below the one-way valve, is positioned in the raw material storage chamber and is arranged obliquely upwards; the bottom of the raw material storage chamber is provided with a feeding plate, the feeding plate is connected with the bottom of the raw material storage chamber through a feeding spring, the feeding plate slides up and down along the inner wall of the raw material storage chamber, and the feeding plate is made of an iron material; the top edge of protection plate is equipped with the electro-magnet, and the electro-magnet is used for adsorbing the delivery sheet, under the circumstances of compounding case pivoted, realizes the up-and-down motion of delivery sheet through the cooperation of electro-magnet and pay-off spring to the realization will react in the raw materials sends into the storage space that stock solution board and baffle formed. This technical scheme can add the raw materials that is located the blending box bottom to in mixing the storehouse to avoid the surplus of raw materials.

Preferably, a heater is arranged in the mixing bin and used for providing heat for the cycloaddition reaction.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention pours chemical reaction liquid into a mixing bin in a liquid mixing disc by opening a liquid filling seal cover at the top of the liquid mixing disc, the liquid mixing disc is inserted into a first rotating gear ring through a third gear at the bottom, a swing post with an included angle of 120 degrees is connected above the third gear, so that the liquid mixing disc is in an inclined state when in work, a motor in a first motor box drives the third gear to rotate clockwise through the first rotating gear ring, thereby driving the liquid mixing disc to rotate continuously at a constant speed in an easily inclined state, a storage box at the bottom of the liquid mixing disc supplies power to a motor in a second motor box while the liquid mixing disc rotates, the mixing box is inserted into a second rotating gear ring through the first gear at the bottom, the motor in the second motor box drives the second gear ring to rotate anticlockwise through the second gear, the second gear ring drives the mixing box to rotate anticlockwise, so that the mixing box rotates anticlockwise, the blending box can drive and mix the storehouse and carry out clockwise rotation in step, guarantees that the device is higher to chemical reaction liquid mixing efficiency, and the mixing reaction is faster between the reaction liquid, has guaranteed the flexibility of using.

2. The device has high automation degree, does not need manual operation and control during working, saves time and labor when in use, is inserted into the insertion groove at the upper end of the second motor box through the protection disc with a hollow cylindrical structure, and separates the liquid mixing disc by using the side wall of the protection disc, so that the liquid mixing disc has more uniform speed and is not easy to topple over when rotating, and the use safety is ensured; the device is convenient to operate, and all components are flexibly connected.

3. According to the invention, the electromagnet and the feeding spring are matched to realize the up-and-down movement of the feeding plate, so that reaction raw materials are fed into the storage space formed by the liquid storage plate and the partition plate, and the residual raw materials are avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the mounting of the mixing plate and the first motor according to the present invention;

FIG. 3 is an exploded view of the mixing plate of the present invention;

FIG. 4 is a cross-sectional view of a mixing box according to the present invention;

FIG. 5 is a front view of a second rotating ring gear of the present invention;

FIG. 6 is a top view of a second rotating ring gear of the present invention;

FIG. 7 is an enlarged view of the detail of area A in FIG. 2 according to the present invention;

fig. 8 is a schematic view showing the installation of the accumulator case of the present invention.

In the figure: 1. a liquid mixing tray; 2. a first motor case; 3. a protection disk; 4. a distribution box; 5. inserting the slots; 6. a first rotating ring gear; 7. a mixing box; 8. a first gear; 9. a second rotating ring gear; 10. a second motor case; 11. an accumulator case; 12. filling liquid and sealing; 13. a mixing bin; 14. a second gear; 15. clamping teeth; 16. a clamping block; 17. hanging the block; 18. swinging the connecting column; 19. a third gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 8, the mixing process system for the cycloaddition reaction of 1,3 butadiene and maleic anhydride comprises a liquid mixing disc 1, a first motor box 2, a protection disc 3 and a distribution box 4, wherein the protection disc 3 is embedded above the first motor box 2, and the side wall of the protection disc 3 is used for blocking the liquid mixing disc 1, so that the speed is more uniform and the liquid mixing disc is not easy to topple during rotation, and the use safety is ensured. The distribution box 4 is arranged at the bottom of the first motor box 2, a first rotating gear ring 6 is embedded above the middle part of the first motor box 2, and the first rotating gear ring 6 of the motor in the first motor box 2 drives the third gear 19 to rotate clockwise, so that the liquid mixing disc 1 is driven to rotate constantly at a constant speed in an easily inclined state; mix the liquid dish 1 top and be provided with

mixing box

7, and 7 bottoms of mixing box are rotated and are connected with first gear 8, mix 1 bottom of liquid dish and be provided with accumulator box 11, and electric connection has second motor case 10 above accumulator box 11, second rotating ring gear 9 is installed to second motor case 10 top, the motor in the second motor case 10 drives the anticlockwise rotation of second rotating ring gear 9 through second gear 8, then second rotating ring gear 9 drives 7 anticlockwise rotations of mixing box, make and mix liquid dish 7 when the clockwise rotation of tilting, mixing box 7 can drive and mix storehouse 13 and carry out synchronous clockwise rotation, guarantee that the device is higher to chemical reaction liquid mixing efficiency. Install the dress liquid closing cap 12 that makes things convenient for dress chemical reaction liquid at mixing box 7 top, through the dress liquid closing cap 12 of opening mixing dish 1 top, people pour chemical reaction liquid into mixing storehouse 13 in mixing dish 1, and mixing box 7 is inside to be provided with and to mix storehouse 13, through mixing chemical reaction liquid in mixing storehouse 13 and carry out mixing reaction. Install second gear 14 in the middle of second rotating ring gear 9 bottom, and the equidistant a plurality of joint tooth 15 that is provided with of second rotating ring gear 9 inner wall, and second rotating ring gear 9 and first gear 8 phase-match, the motor in second motor case 10 passes through second gear 8 and drives the anticlockwise rotation of second rotating ring gear 9, then second rotating ring gear 9 drives mixing box 7 anticlockwise rotation, make mixing bowl 7 when the clockwise rotation of tilting, mixing box 7 can drive mixing bunker 13 and carry out synchronous clockwise rotation, guarantee that the device is higher to chemical reaction liquid mixing efficiency. The clamp blocks 16 are arranged below the two ends of the liquid containing seal cover 12, the two ends of the joint of the mixing bin 13 and the liquid containing seal cover 12 are provided with hanging blocks 17, and after liquid is thrown into the mixing bin 13, the liquid containing seal cover 12 is hung on the clamp blocks 16 through the hanging blocks 17, so that the sealing performance of the mixing bin 13 by the liquid containing seal cover 12 is stronger, and liquid leakage is avoided. The middle lower part of the storage battery box 11 is provided with a swing connection column 18, the swing connection column 18 with an included angle of 120 degrees enables the liquid mixing disc 1 to be in an inclined state during working, reaction liquid mixing efficiency is guaranteed to be higher, a third gear 19 is sleeved at one end of the swing connection column 18, a first rotating gear ring 6 of a motor in the first motor box 2 drives the third gear 19 to rotate clockwise, and therefore the liquid mixing disc 1 is driven to rotate constantly at a constant speed in an overall easily inclined state. Block terminal 4 is electric connection with first motor case 2, and the motor in first motor case 2 through first rotating ring gear 6 and swing post 18, and the motor in second motor case 10 through second gear 14 and second rotating ring gear 9, and second rotating ring gear 9 all is rotation connection with mixing box 7 through first gear 8. The swing post 18 is a cylindrical structure and the corners of the swing post 18 are 120 degrees.

As an embodiment of the invention, two vertical partition plates 71 and a top plate 72 positioned at the top of the partition plate 71 are arranged inside the mixing box 7, the mixing box 7 is divided into three chambers by the two partition plates 71, the mixing chamber 13 is positioned between the two partition plates 71, the left side and the right side of the mixing chamber 13 are raw material storage chambers 73, the two raw material storage chambers 73 are respectively used for storing 1,3 butadiene and maleic anhydride, a feed inlet 721 is arranged on the top plate 72, a valve is arranged on the feed inlet 721, a discharge outlet 722 is arranged at the bottom of the mixing box 7, a valve is arranged on the discharge outlet 722, and the discharge outlet 722 is communicated with the mixing chamber 13; the two partition plates 71 are respectively provided with a one-way valve 74, the one-way valves 74 are opened under the action of gravity, and the one-way valves 74 are used for ensuring the one-way circulation of the raw materials in the raw material storage chamber 73 to the mixing bin 13. The volume of the material storage chamber 73 is smaller than the volume of the mixing chamber 13. According to the technical scheme, automatic filling is realized by changing the stress direction of the one-way valve in the rotating process of the mixing box 7, the use of electric products is reduced, the production cost is reduced, and the accident rate is reduced; through setting up three bins and utilizing the change of atress to realize the interval formula of raw materials and adding, be favorable to the intensive mixing and the reaction of raw materials, improved the efficiency of cycloaddition reaction.

In an embodiment of the present invention, a plurality of baffle plates 131 are disposed in the mixing chamber 13, the baffle plates 131 are fixed between the two partition plates 71, through holes are disposed on the baffle plates 131, and the baffle plates 131 are used for reducing the shaking of the synthesized product, thereby improving the problem specification of the apparatus.

As an embodiment of the present invention, a liquid storage plate 731 is disposed below the check valve 74, and the liquid storage plate 731 is disposed in the raw material storage chamber 73 and is arranged obliquely upward; a feeding plate 732 is arranged at the bottom of the raw material storage chamber 73, a feeding spring 733 is connected between the feeding plate 732 and the bottom of the raw material storage chamber 73, the feeding plate 732 slides up and down along the inner wall of the raw material storage chamber 73, and the feeding plate 732 is made of an iron material; an electromagnet is arranged at the top edge of the protective disc 3 and used for adsorbing the feeding plate 732, and under the condition that the mixing box 7 rotates, the electromagnet is matched with the feeding spring 733 to realize the up-and-down movement of the feeding plate 732, so that reaction raw materials are fed into a storage space formed by the liquid storage plate 731 and the partition plate 71. The technical scheme can add the raw materials at the bottom of the mixing box 7 into the mixing bin 13, and when the raw material storage chamber 73 is positioned above, the reaction liquid in the liquid storage plate 731 enters the mixing bin 13 through the one-way valve 74, so that the raw materials are prevented from remaining.

In one embodiment of the present invention, a heater is disposed in the mixing chamber 13, and the heater is used for providing heat for the cycloaddition reaction.

When the invention is used, firstly, by opening the liquid-containing sealing cover 12 at the top of the liquid-mixing disc 1, people pour chemical reaction liquid into the mixing bin 13 in the liquid-mixing disc 1, the liquid-mixing disc 1 is inserted into the first rotating gear ring 6 through the third gear 19 at the bottom, the swing post 18 with an included angle of 120 degrees is connected above the third gear 19, so that the liquid-mixing disc 1 is in an inclined state when in work, the first rotating gear ring 6 of the motor in the first motor box 2 drives the third gear 19 to rotate clockwise, thereby driving the whole liquid-mixing disc 1 to rotate at a constant speed in an easily inclined state, while the liquid-mixing disc 1 rotates, the electric storage box 11 at the bottom of the liquid-mixing disc 1 supplies electricity to the motor in the second motor box 10, the material-mixing box 7 is inserted into the second rotating gear ring 9 through the first gear 8 at the bottom, the motor in the second motor box 10 drives the second rotating gear ring 9 to rotate anticlockwise through the second gear 8, the second rotating gear ring 9 drives the mixing box 7 to rotate anticlockwise, so that the mixing box 7 can drive the mixing bin 13 to synchronously rotate clockwise while the mixing disc 7 rotates clockwise in a tilting mode, the mixing efficiency of the device for chemical reaction liquid is higher, and the use flexibility is ensured. In the cartridge groove 5 of second motor case 10 upper end was pegged graft through hollow cylindrical structure's protection dish 3, utilized the lateral wall of protection dish 3 to separate the fender to mixing liquid dish 1, speed was more even and be difficult for empting when making its rotation, had guaranteed the security of using.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a 1,3 butadiene and butadiene maleic anhydride cycloaddition reaction are with mixed process system, includes liquid mixing dish (1), first motor case (2), protection dish (3) and block terminal (4), its characterized in that: the protective disc (3) is embedded above the first motor box (2), the distribution box (4) is arranged at the bottom of the first motor box (2), and the first rotating gear ring (6) is embedded above the middle part of the first motor box (2); a mixing box (7) is arranged above the liquid mixing disc (1), the bottom of the mixing box (7) is rotatably connected with a first gear (8), a storage box (11) is arranged at the bottom of the liquid mixing disc (1), a second motor box (10) is electrically connected above the storage box (11), and a second rotating gear ring (9) is arranged above the second motor box (10); a liquid filling sealing cover (12) convenient for filling chemical reaction liquid is arranged at the top of the mixing box (7), and a mixing bin (13) is arranged in the mixing box (7); a second gear (14) is arranged in the middle of the bottom of the second rotating gear ring (9), a plurality of clamping teeth (15) are arranged on the inner wall of the second rotating gear ring (9) at equal intervals, and the second rotating gear ring (9) is matched with the first gear (8); clamping blocks (16) are arranged below two ends of the liquid containing sealing cover (12), and hanging blocks (17) are arranged at two ends of the joint of the mixing bin (13) and the liquid containing sealing cover (12); a swing connection column (18) is arranged below the middle part of the storage battery box (11), and one end of the swing connection column (18) is sleeved with a third gear (19); the distribution box (4) is electrically connected with the first motor box (2), a motor in the first motor box (2) is connected with the swing column (18) through a first rotating gear ring (6), a motor in the second motor box (10) is connected with a second rotating gear ring (9) through a second gear (14), and the second rotating gear ring (9) is in rotating connection with the mixing box (7) through a first gear (8); the swing connecting column (18) is of a cylindrical structure, and the corner of the swing connecting column (18) is 120 degrees;

the mixing box is characterized in that two vertical partition plates (71) and a top plate (72) located at the tops of the partition plates (71) are arranged inside the mixing box (7), the mixing box (7) is divided into three chambers by the two partition plates (71), the mixing chamber (13) is located between the two partition plates (71), raw material storage chambers (73) are arranged on the left side and the right side of the mixing chamber (13), the two raw material storage chambers (73) are respectively used for storing 1,3 butadiene and maleic anhydride, a feed inlet (721) is formed in the top plate (72), a valve is arranged on the feed inlet (721), a discharge port (722) is formed in the bottom of the mixing box (7), a valve is arranged on the discharge port (722), and the discharge port (722) is communicated with the mixing chamber (13); the two clapboards (71) are respectively provided with a one-way valve (74), the one-way valves (74) are opened under the action of gravity, and the one-way valves (74) are used for ensuring the one-way circulation of the raw materials in the raw material storage chamber (73) to the mixing bin (13).

2. The hybrid process system for the cycloaddition reaction of 1,3 butadiene and butadiene anhydride according to claim 1, wherein: be equipped with multilayer baffle (131) in mixing storehouse (13), baffle (131) are fixed between two baffles (71), are equipped with the through-hole on baffle (131), and baffle (131) are used for reducing rocking of synthetic product.

3. The hybrid process system for the cycloaddition reaction of 1,3 butadiene and butadiene anhydride according to claim 1, wherein: a liquid storage plate (731) is arranged below the one-way valve (74), and the liquid storage plate (731) is positioned in the raw material storage chamber (73) and is arranged obliquely upwards; a feeding plate (732) is arranged at the bottom of the raw material storage chamber (73), the feeding plate (732) is connected with the bottom of the raw material storage chamber (73) through a feeding spring (733), the feeding plate (732) slides up and down along the inner wall of the raw material storage chamber (73), and the feeding plate (732) is made of an iron material; the edge of the top of the protection disc (3) is provided with an electromagnet, the electromagnet is used for adsorbing the feeding plate (732), and under the condition that the mixing box (7) rotates, the electromagnet is matched with the feeding spring (733) to realize the up-and-down motion of the feeding plate (732), so that reaction raw materials are fed into a storage space formed by the liquid storage plate (731) and the partition plate (71).

4. The hybrid process system for the cycloaddition reaction of 1,3 butadiene and butadiene anhydride according to claim 1, wherein: and a heater is arranged in the mixing bin (13) and is used for providing heat for the cycloaddition reaction.