CN213434493U

CN213434493U - Polyacrylamide polymerization reaction kettle

Info

Publication number: CN213434493U
Application number: CN202021054583.3U
Authority: CN
Inventors: 吴雪峰; 杨端文
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-06-15
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a polyacrylamide polymerization reaction kettle, including base and reation kettle main part, one side lateral wall welding of base has the support frame, one side lateral wall that the base is close to the support frame is equipped with first hydraulic stem and second hydraulic stem about the support frame symmetry, the surface of reation kettle main part is equipped with the clamp cover, the bottom surface that presss from both sides the cover is equipped with the feed opening, press from both sides the cover and be close to one side of feed opening and seted up the comdenstion water export, the top fixedly connected with kettle cover of reation kettle main part. A polyacrylamide polymerization reation kettle, the reaction heat derivation with the polyreaction production that can be quick, avoid the cauldron in the temperature rise produce more insoluble substance influence product quality and reation kettle and the bursting of kettle cover interface, guarantee going on of polyreaction, simultaneously, guarantee each component intensive mixing, reduce the monomer quantity of unreacted, improve the quality of production efficiency and production product, bring better use prospect.

Description

Polyacrylamide polymerization reaction kettle

Technical Field

The utility model relates to a polymerization reaction cauldron field, in particular to polyacrylamide polymerization reaction cauldron.

Background

The polyacrylamide is produced by injecting acrylamide aqueous solution as raw material into a reaction kettle, carrying out polymerization reaction under the action of an initiator, cutting, granulating, drying and crushing polyacrylamide rubber blocks generated after the reaction is finished, and finally obtaining a polyacrylamide product. The key process is polymerization reaction, and mechanical temperature reduction, thermal degradation and crosslinking are required in the subsequent treatment process, so that the relative molecular mass and water solubility of polyacrylamide are ensured.

Generally, the reaction heat generated in the acrylamide polymerization reaction process reaches 82.8kJ/mol, high-temperature gas accumulates in the reaction kettle and rises to extrude a kettle cover, the reaction kettle is integrally sealed, so that the explosion of the reaction kettle is easily caused, the polymerization reaction is influenced, meanwhile, a large amount of reaction heat is not timely led out, insoluble substances are easily generated due to the rise of the temperature, the yield of polyacrylamide is influenced, in addition, a polyacrylamide rubber block is adhered to the wall of the polymerization kettle, the full contact of all components is influenced, more unreacted monomers are contained in the produced polyacrylamide, the reaction time is required to be prolonged to fully react the unreacted monomers, in addition, the quality of the polyacrylamide is easily influenced, and therefore, a certain influence is brought in the use process, and therefore, a polyacrylamide polymerization reaction kettle is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a polyacrylamide polymerization reaction kettle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a polyacrylamide polymerization reaction kettle, includes base and reation kettle main part, one side lateral wall welding of base has the support frame, one side lateral wall that the base is close to the support frame is equipped with first hydraulic stem and second hydraulic stem about the support frame symmetry, the surface of reation kettle main part is equipped with presss from both sides the cover, the bottom surface that presss from both sides the cover is equipped with the feed opening, it has seted up the comdenstion water export to press from both sides one side that the cover is close to the feed opening, the top fixedly connected with kettle cover of reation kettle main part, the top surface fixed mounting of kettle cover has agitator motor, one side that the top surface of kettle cover is close to agitator motor is equipped with the material loading mouth, reation kettle main part is equipped with the protecting against shock structure with kettle cover's junction, it.

As a further description of the above technical solution:

the equal fixed mounting of both sides inside wall on the horizontal direction is followed to the reation kettle main part has the air duct, two the one end that the air duct runs through the reation kettle main part is equipped with the air valve, agitator motor's drive end fixedly connected with main shaft, the skin weld of main shaft has stirring vane, the surface of main shaft just is located stirring vane's top welding has the balancing piece.

As a further description of the above technical solution:

the anti-impact structure comprises a bolt, a spring, vertical shafts, connecting rods and a sealing ring, the bolt is inserted into a joint of the kettle cover and the reaction kettle body, the spring is sleeved at the center of the outer surface of the bolt, the joint of the kettle cover and the reaction kettle body is symmetrically inserted with the two vertical shafts close to two sides of the bolt, and the connecting rods are welded at the bottom ends of the two vertical shafts.

As a further description of the above technical solution:

the sealing ring is encircled on the inner side wall of the top end of the reaction kettle main body, the reaction kettle main body is embedded with the kettle cover through the sealing ring, and the reaction kettle main body and the kettle cover are made by firing glass glaze.

As a further description of the above technical solution:

the one end that base was kept away from to first hydraulic stem and second hydraulic stem all with reation kettle main part fixed connection, and the flexible opposite direction of first hydraulic stem and second hydraulic stem.

As a further description of the above technical solution:

stirring vane's structure is frame, and stirring vane's both sides lateral wall along the horizontal direction all welds the doctor-bar, stirring vane passes through the main shaft and is connected with the agitator motor transmission.

As a further description of the above technical solution:

the reaction kettle body is symmetrically welded with lugs corresponding to the two support frames along the side walls of two sides in the horizontal direction, and the two support frames are sleeved with the two lugs.

The utility model discloses in: 1. the polyacrylamide polymerization reaction kettle is characterized in that an impact-resistant structure is arranged at the interface of a reaction kettle main body and a kettle cover, the interface is fixedly connected through a bolt, a spring is sleeved at the center of the bolt, when reaction heat generated by reaction inside the reaction kettle impacts the kettle cover upwards, the spring generates certain deformation, the interface structure has certain elasticity, certain impact force is further counteracted relatively, the interface is prevented from bursting, smooth proceeding of the reaction is facilitated, in addition, condensed water is led into the jacket, the reaction heat generated by the polymerization reaction can be rapidly led out, and the phenomenon that more insoluble substances are generated due to temperature rise in the kettle to influence the product quality is avoided;

2. this polyacrylamide polymerization reation kettle, first hydraulic stem sets up about the support frame symmetry with the second hydraulic stem, and the flexible opposite direction of first hydraulic stem and second hydraulic stem, the lug that support frame and reation kettle main part both sides set up cup joints mutually in addition, along with first hydraulic stem and second hydraulic stem stretch out and draw back in turn, promote the reation kettle level and carry out the swing of certain angle, cooperate stirring vane's stirring simultaneously, avoid temperature reduction in the cauldron to cause polyacrylamide to glue the piece and adhere on the polymeric kettle wall, be unfavorable for going on of polymerization, guarantee each component intensive mixing, reduce the quantity of unreacted monomer, improve the quality of production efficiency and production product, better for traditional mode.

Drawings

FIG. 1 is a left side view of a polyacrylamide polymerization reactor according to the present invention;

FIG. 2 is a schematic view of the overall structure of a polyacrylamide polymerization reactor according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

in the figure: 1. a base; 2. a support frame; 3. a first hydraulic lever; 4. a second hydraulic rod; 5. a reaction kettle main body; 6. a jacket; 7. a feeding port; 8. a condensed water outlet; 9. a kettle cover; 10. a stirring motor; 11. a feeding port; 12. an impact-resistant structure; 13. a condensed water inlet; 14. an air duct; 15. an air stop valve; 16. a main shaft; 17. a stirring blade; 18. a counterbalance; 19. a bolt; 20. a spring; 21. a vertical shaft; 22. a connecting rod; 23. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a polyacrylamide polymerization reaction kettle comprises a base 1 and a reaction kettle main body 5, wherein a support frame 2 is welded on one side wall of the base 1, a first hydraulic rod 3 and a second hydraulic rod 4 are symmetrically arranged on one side wall of the base 1 close to the support frame 2 about the support frame 2, a jacket 6 is arranged on the outer surface of the reaction kettle main body 5 to rapidly guide out reaction heat generated inside the reaction kettle main body 5, a discharge port 7 is arranged on the outer surface of the bottom of the jacket 6 for discharging polyacrylamide, a condensate water outlet 8 is arranged on one side of the jacket 6 close to the discharge port 7 to discharge condensate water inside the jacket 6, a kettle cover 9 is fixedly connected to the top end of the reaction kettle main body 5, a stirring motor 10 is fixedly arranged on the outer surface of the top of the kettle cover 9, a feeding port 11 is arranged on one side of the outer surface of the top of the kettle, the junction of reation kettle main part 5 and kettle cover 9 is equipped with protecting against shock structure 12, presss from both sides cover 6 and is equipped with comdenstion water inlet 13 along the ascending lateral wall in one side of horizontal direction, toward pressing from both sides the inside comdenstion water that lets in of cover 6.

The equal fixed mounting of both sides inside wall along the horizontal direction of reation kettle main part 5 has air duct 14, pour nitrogen gas into, oxygen among the evacuation material component, guarantee going on smoothly of polymerization, two air ducts 14 run through reation kettle main part 5's one end and be equipped with air-stopping valve 15, the gaseous volume of letting in of control, agitator motor 10's drive end fixedly connected with main shaft 16, the outer skin weld of main shaft 16 has stirring vane 17, the outer surface of main shaft 16 and the top welding that is located stirring vane 17 have balancing piece 18, stability when guaranteeing stirring vane 17 to stir.

The anti-impact structure 12 comprises a bolt 19, a spring 20, vertical shafts 21, a connecting rod 22 and a sealing ring 23, the bolt 19 is inserted into an interface between the kettle cover 9 and the reaction kettle main body 5, the interface between the kettle cover 9 and the reaction kettle main body 5 is fixed, the spring 20 is sleeved at the center of the outer surface of the bolt 19, the two vertical shafts 21 are symmetrically inserted into the interface between the kettle cover 9 and the reaction kettle main body 5 close to the two sides of the bolt 19, and the connecting rod 22 is welded at the bottom ends of the two vertical shafts 21.

The sealing ring 23 is encircled on the inner side wall of the top end of the reaction kettle main body 5, the reaction kettle main body 5 is embedded with the kettle cover 9 through the sealing ring 23, the reaction kettle main body 5 and the kettle cover 9 are both made of glass glaze through firing, and the adhesion amount of the polyacrylamide rubber block can be reduced.

Base 1 was all kept away from to first hydraulic stem 3 and second hydraulic stem 4 one end all with reation kettle main part 5 fixed connection, and first hydraulic stem 3 and second hydraulic stem 4's flexible opposite direction, start first hydraulic stem 3 and second hydraulic stem 4 simultaneously, the horizontal hunting that reation kettle main part 5 can be realized to first hydraulic stem 3 and second hydraulic stem 4's flexible in turn.

Stirring vane 17's structure is frame, and stirring vane 17's both sides lateral wall along the horizontal direction all welds the doctor-bar, solves the glutinous wall of material, improves the heat transfer, and stirring vane 17 passes through main shaft 16 and is connected with agitator motor 10 transmission.

The lateral wall symmetry of reation kettle main part 5 both sides along the horizontal direction has welded the lug corresponding with two support frames 2, and two support frames 2 cup joint with two lugs mutually for support frame 2 can with 5 normal running fit of reation kettle main part.

The working principle is as follows: the utility model relates to a polyacrylamide polymerization reaction kettle, each reaction monomer enters into the interior of a reaction kettle main body 5 through a feeding hole 11 on the upper surface of a kettle cover 9, a gas-stop valve 15 is closed after sufficient nitrogen is introduced into a gas-guide tube 14, air contained in each reaction monomer is emptied, then, a stirring motor 10 drives a main shaft 16 to rotate so as to enable a stirring blade 17 to rotate to enable each reaction monomer to be fully mixed, each reaction monomer is fully mixed to generate polymerization reaction, a large amount of reaction heat is released, high-temperature gas upwards impacts the kettle cover 9, because the interface between the kettle cover 9 and the reaction kettle main body 5 is fixed through a bolt 19 and two bolts 21, a spring 20 sleeved at the center of the bolt 19 is deformed by an impact force generated when the high-temperature gas impacts the kettle cover 9, a part of the impact force is offset, the interface is prevented from bursting, the smooth proceeding of the reaction is, so that condensed water is injected into the jacket 6, and then reaction heat in the reaction kettle main body 5 is rapidly led out, and simultaneously, the condensed water can be discharged from a condensed water outlet 8, thereby avoiding that the product quality is influenced by more insoluble substances generated by temperature rise in the kettle, in addition, the first hydraulic rod 3 and the second hydraulic rod 4 which are positioned on the side wall of one side of the base 1 are symmetrically arranged relative to the support frame 2, the extension directions of the first hydraulic rod 3 and the second hydraulic rod 4 are opposite, in addition, the support frame 2 is sleeved with lugs arranged on two sides of the reaction kettle main body 5, the reaction kettle main body 5 is pushed to horizontally swing at a certain angle along with the alternate extension of the first hydraulic rod 3 and the second hydraulic rod 4, and meanwhile, the stirring of the stirring blades 17 is matched, so that the full mixing of all components can be ensured, the number of unreacted monomers is reduced, the production efficiency and the quality of the produced products are improved, is beneficial to the polymerization reaction and is practical.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A polyacrylamide polymerization reaction kettle comprises a base (1) and a reaction kettle main body (5), and is characterized in that: the reaction kettle is characterized in that a support frame (2) is welded on one side wall of the base (1), a first hydraulic rod (3) and a second hydraulic rod (4) are symmetrically arranged on one side wall, close to the support frame (2), of the base (1), a jacket (6) is arranged on the outer surface of the reaction kettle main body (5), a discharging opening (7) is arranged on the outer surface of the bottom of the jacket (6), a condensate outlet (8) is formed in one side, close to the discharging opening (7), of the jacket (6), a kettle cover (9) is fixedly connected to the top end of the reaction kettle main body (5), a stirring motor (10) is fixedly installed on the outer surface of the top of the kettle cover (9), a feeding opening (11) is formed in one side, close to the stirring motor (10), of the outer surface of the top of the reaction kettle main body (5) and the connecting position of the kettle cover (9) is provided, and a condensed water inlet (13) is formed in the side wall of one side of the jacket (6) in the horizontal direction.

2. The polyacrylamide polymerization reactor as defined in claim 1, wherein: the equal fixed mounting of both sides inside wall along the horizontal direction in reation kettle main part (5) has air duct (14), two air duct (14) run through the one end of reation kettle main part (5) and are equipped with air stop valve (15), the drive end fixedly connected with main shaft (16) of agitator motor (10), the outer skin weld of main shaft (16) has stirring vane (17), the surface of main shaft (16) just is located the top welding of stirring vane (17) has balancing piece (18).

3. The polymerization reactor of polyacrylamide as defined in claim 2, wherein: protecting against shock structure (12) including bolt (19), spring (20), vertical scroll (21), connecting rod (22) and sealing washer (23), bolt (19) are inserted and are located the kneck of kettle cover (9) and reation kettle main part (5), the surface center department cover of bolt (19) is equipped with spring (20), the kneck of kettle cover (9) and reation kettle main part (5) is close to the bilateral symmetry of bolt (19) and is inserted and be equipped with two vertical scroll (21), two connecting rod (22) have been welded to the bottom of vertical scroll (21).

4. The polyacrylamide polymerization reactor as defined in claim 1, wherein: the sealing ring (23) is arranged on the inner side wall of the top end of the reaction kettle main body (5) in a surrounding mode, the reaction kettle main body (5) is embedded with the kettle cover (9) through the sealing ring (23), and the reaction kettle main body (5) and the kettle cover (9) are made by firing glass glaze.

5. The polyacrylamide polymerization reactor as defined in claim 1, wherein: the one end that base (1) was kept away from in first hydraulic stem (3) and second hydraulic stem (4) all with reation kettle main part (5) fixed connection, and the flexible opposite direction of first hydraulic stem (3) and second hydraulic stem (4).

6. The polymerization reactor of polyacrylamide as defined in claim 2, wherein: stirring vane (17)'s structure is frame, and stirring vane (17) all welds the doctor-bar along the both sides lateral wall of horizontal direction, stirring vane (17) are connected with agitator motor (10) transmission through main shaft (16).

7. The polyacrylamide polymerization reactor as defined in claim 1, wherein: the reaction kettle main body (5) is symmetrically welded with two lugs corresponding to the support frames (2) along the side walls of two sides in the horizontal direction, and the two support frames (2) are sleeved with the two lugs.