CN210906168U

CN210906168U - Inner coil heating reaction kettle

Info

Publication number: CN210906168U
Application number: CN201921771309.5U
Authority: CN
Inventors: 孙国连; 王西求
Original assignee: Hangzhou Jameson New Material Technology Co ltd
Current assignee: Guotai Xinke Industrial Technology (Yixing) Co., Ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-07-03
Anticipated expiration: 2029-10-21

Abstract

The utility model relates to an inner coil heating reaction kettle, which belongs to the field of chemical production equipment, comprising a reaction kettle body, the inner side wall of the reaction kettle body is provided with an inner coil, the lower end surface of the reaction kettle body is provided with a stirring motor, an output shaft of the stirring motor is coaxially connected with a stirring shaft which runs through the setting of the reaction kettle body, the outer peripheral surface of the stirring shaft is provided with a holding tank, the inner side of the holding tank is hinged with a first rotating rod, one end of the first rotating rod, which is far away from the holding tank, is hinged with a fixed frame, the fixed frame is internally provided with a cleaning sponge, one end of the fixed frame, which is far away from the first rotating rod, is hinged with a second rotating rod, one end of the second rotating rod, which is far away from the fixed frame, is hinged with the inner side of the holding tank, the inner sliding block, the inner coil pipe is convenient to clean.

Description

Inner coil heating reaction kettle

Technical Field

The utility model belongs to the technical field of chemical production equipment and specifically relates to an interior coil pipe heating reation kettle is related to.

Background

In the chemical production process, a reaction kettle is commonly used as a reaction vessel for completing the technological processes of vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like. And the reaction kettle is a comprehensive reaction container, and the structural function and the configuration accessories of the reaction kettle can be designed according to reaction conditions. The temperature, the product concentration and other important parameters in the reaction process are strictly regulated and controlled.

In the chemical production process, the reaction kettle usually adopts an inner coil heating mode to improve the heating efficiency of the reaction kettle. The reactants are easy to stick to the wall in the reaction process of the reaction kettle, particularly, urea needs to be added in the later stage of the polycondensation reaction of the resin, because the content of sulfate in the urea is high, the urea is equivalent to adding a curing agent to promote the resin to be quickly crosslinked into a net structure, and if the treatment is not timely, the resin can be cured on the outer peripheral surface of the inner coil pipe of the reaction kettle, so that the heat transfer efficiency of the inner coil pipe is influenced.

However, the inner coil is arranged in a manner that the semicircular pipeline is fixed on the inner side wall of the reaction kettle in a serpentine winding manner, so that the outer peripheral surface of the inner coil and the side wall of the reaction kettle form a fluctuant reaction contact surface, a washing dead angle is formed, and the cleaning of the outer peripheral surface of the inner coil is not facilitated.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an interior coil pipe heating reation kettle has the advantage of being convenient for wash the interior coil pipe outer peripheral face.

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

an inner coil heating reaction kettle comprises a reaction kettle body, wherein the upper end face of the reaction kettle body is communicated with a solid feeding pipe, the inner side wall of the reaction kettle body is provided with an inner coil which is coiled into the inner side wall of the reaction kettle body in a snake shape, the side wall of the reaction kettle is communicated with a steam injection pipe and a steam discharge pipe which are communicated with the inner coil, the lower end face of the reaction kettle body is provided with a stirring motor, an output shaft of the stirring motor is coaxially connected with a stirring shaft which is arranged through the reaction kettle body, the outer peripheral surface of the stirring shaft is provided with a holding tank along the axial direction of the stirring shaft, the inner side of the holding tank is hinged with a first rotating rod, one end of the first rotating rod, which is far away from the holding tank, is hinged with a fixing frame which is parallel to the stirring shaft, a cleaning sponge is arranged in the fixing frame, one end of the, sliding connection has the slider in the holding tank, the articulated connecting rod of slider, the one end that the slider was kept away from to the connecting rod is articulated with the head rod outer peripheral face, the (mixing) shaft sets up the outside one end outer peripheral face at reation kettle body and is provided with the hoist mechanism who is connected and orders about the slider and reciprocate with the slider.

By adopting the technical scheme, the first connecting rod, the second connecting rod, the fixed frame and the stirring shaft form a parallelogram connecting rod structure, are hinged with the first connecting rod and the sliding block through the connecting rods, and realize the upward or downward movement of the sliding block through the lifting mechanism, so that the cleaning sponge in the fixed frame is driven to move close to or far away from the inner coil pipe, the cleaning sponge is moved to abut against the inner side wall of the reaction kettle body and the outer peripheral surface of the inner coil pipe or is contained and contained in the containing groove, and the cleaning sponge is favorably and flexibly used and contained; simultaneously based on the characteristic of clean sponge deformation for clean sponge and interior coil pipe outer peripheral face large tracts of land contact, and through agitator motor's drive, make clean sponge rotate around the (mixing) shaft and erase the attachment on the interior coil pipe outer peripheral face, and clean sponge has adsorption efficiency, thereby be convenient for clear away the adhesion thing of reation kettle body inside wall and interior coil pipe outer peripheral face, be favorable to reducing the influence of adhesion thing to interior coil pipe heat transfer efficiency.

The utility model discloses further set up to: (mixing) shaft sets up and opens the opening that has the holding tank intercommunication at the outside outer peripheral face of reation kettle body upper end, hoist mechanism is including being close to the promotion motor that the opening set up, with promote motor output shaft coaxial coupling's reel, rotate with two lateral walls that the holding tank is just right and be connected and be close to the guide cylinder and the both ends that the opening set up respectively with reel outer peripheral face and slider up end fixed connection's stay cord, the stay cord with the outer global butt of guide cylinder.

Through adopting above-mentioned technical scheme, rotate at the holding tank inside wall and connect the guide cylinder, through the guide effect of guide cylinder, promote the motor and realized the drive to slider displacement from top to bottom to realize the motor to the normal drive of parallelogram link structure.

The utility model discloses further set up to: stirring shaft outer peripheral face is provided with stirring vane along the (mixing) shaft axis direction, stirring vane branch puts holding tank both sides and sets up.

Through adopting above-mentioned technical scheme for stirring vane does not interfere the normal rotation of first bull stick, second bull stick and the normal of clean sponge is accomodate, makes stirring operation and washing operation noninterfere simultaneously, is favorable to the reaction sequence to go on normally and the effective clearance of adhesion thing.

The utility model discloses further set up to: the (mixing) shaft is close to holding tank open-ended one side sliding connection has the baffle, the (mixing) shaft outer peripheral face is opened there is the sliding tray who communicates with the (mixing) shaft up end along (mixing) shaft axis direction, the sliding tray communicates with each other with the holding tank, the recess that has and the (mixing) shaft up end intercommunication is opened respectively to two lateral walls that the sliding tray is parallel with holding tank length direction along (mixing) shaft axis direction, the baffle both sides are provided with the sand grip respectively, the sand grip with recess sliding connection.

Through adopting above-mentioned technical scheme for the baffle slides to holding tank opening part and seals and close the mouth setting, carries out the material reaction when reation kettle, accomodates in the holding tank with crossing clean sponge, and through the setting of baffle, and then keep apart at the clean sponge and the reaction material of holding tank, thereby reduce the condition that clean sponge adsorbs reaction material and influence the formation of reaction product, also reduce the probability that clean sponge pollutes reaction material simultaneously, be favorable to the normal clear of chemical reaction in the reation kettle.

The utility model discloses further set up to: be provided with the stopper that is located the top of first bull stick in the holding tank, work as when first bull stick changes to with the level, first bull stick is close to one side and stopper lower terminal surface butt of stopper.

Through adopting above-mentioned technical scheme, set up the stopper above first bull stick. When the inner coil pipe is scrubbed by the cleaning sponge, the limiting block provides pretightening force for the first connecting rod, and the situation that the first connecting rod turns upwards is favorably reduced.

The utility model discloses further set up to: waterproof strips are respectively arranged on two sides of the baffle plate, which are provided with the raised lines.

Through adopting above-mentioned technical scheme for waterproof strip carries out the separation to liquid reactant, thereby has reduced the condition in the liquid reactant infiltration holding tank, because the liquid reactant of clean sponge a large amount of absorption makes clean sponge surface adsorption capacity reduce, thereby through the setting of waterproof strip, is favorable to reducing the influence of liquid reactant to the clean ability of clean sponge.

The utility model discloses further set up to: a plurality of inlet tubes are communicated with the upper end face of the reaction kettle body, and one ends of the inlet tubes arranged in the reaction kettle body are respectively communicated with the nozzles arranged on the inner coil pipes.

Through adopting above-mentioned technical scheme for the adhesion thing on the interior coil pipe of shower nozzle is washd, and combines the spin friction's of clean sponge washing mode, is favorable to improving cleaning performance and cleaning efficiency.

The utility model discloses further set up to: the cleaning sponge is bonded with the inner side wall of the fixing frame.

Through adopting above-mentioned technical scheme for clean sponge is fixed with fixed frame, and through increasing the bonding area of clean sponge and fixed frame lateral wall and improve the firm in connection nature of clean sponge and fixed frame, is favorable to reducing the condition that clean sponge is scrubbing the process and is breaking away from with fixed frame.

The utility model discloses further set up to: the upper end surface of the baffle is provided with a handle.

Through adopting above-mentioned technical scheme, and then provide the application of force point for the roll-off of baffle, be favorable to taking out of baffle.

To sum up, the utility model discloses following beneficial effect has:

1. the first rotating rod, the fixed frame, the second rotating rod and the stirring shaft are sequentially hinged in an ending mode to form a parallelogram connecting rod structure, so that the first rotating rod and the second rotating rod synchronously swing, meanwhile, two ends of the connecting rod are hinged with the sliding block and the first connecting rod respectively, the sliding block is driven by the lifting mechanism to move along the length direction of the accommodating groove and enable the cleaning sponge to abut against the outer peripheral surface of the inner coil pipe, and the cleaning sponge is driven by the motor to rotationally scrub the outer peripheral surface of the inner coil pipe, so that the adhered matters on the inner side wall of the reaction kettle body and the outer peripheral surface of the inner coil pipe are conveniently cleaned, and the influence of the adhered matters on;

2. through the sliding connection of baffle and (mixing) shaft for the baffle seals the holding tank setting, and then keeps apart at the clean sponge and the reaction material of holding tank, reduces the condition that clean sponge influences the reaction process in the reation kettle, also reduces the probability that clean sponge pollutes reaction material simultaneously, is favorable to the normal clear of chemical reaction in the reation kettle.

Drawings

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

FIG. 2 is a sectional view of the reaction vessel body of the present invention;

FIG. 3 is a broken view of the stirring shaft of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic view showing the connection relationship between the baffle and the stirring shaft of the present invention;

FIG. 6 is a partial enlarged view of FIG. 5 at B;

fig. 7 is a schematic diagram of the present invention for embodying a lifting mechanism.

Reference numerals: 1. a reaction kettle body; 11. a solids feed tube; 111. sealing the cover; 12. a water inlet pipe; 121. a spray head; 13. a discharge pipe; 131. a discharge valve; 14. a liquid feed conduit; 15. a support leg; 16. an inner coil pipe; 161. a steam injection pipe; 162. a steam discharge pipe; 2. a stirring motor; 3. a stirring shaft; 31. accommodating grooves; 311. a first rotating lever; 312. a connecting rod; 313. a fixing frame; 3131. cleaning the sponge; 314. a second rotating rod; 32. a limiting block; 33. a chute; 34. a port; 35. a sliding groove; 351. a groove; 36. a stirring blade; 4. a baffle plate; 41. a handle; 42. a convex strip; 43. a waterproof strip; 5. a slider; 51. a slide bar; 6. a lifting mechanism; 61. a hoisting motor; 62. pulling a rope; 63. a reel; 64. and a guide cylinder.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 and fig. 2, an inner coil heating reaction kettle comprises a reaction kettle body 1, wherein a solid feeding pipe 11 is communicated with the upper end surface of the reaction kettle body 1, and a sealing cover 111 is installed at one end, far away from the reaction kettle body 1, of the solid feeding pipe 11. The lower end surface of the reaction kettle body 1 is communicated with a liquid feeding pipe 14 and a discharging pipe 13, and the peripheral surface of the discharging pipe 13 is provided with a discharging valve 131. The middle of the lower end face of the reaction kettle body 1 is provided with a stirring motor 2, an output shaft of the stirring motor 2 is coaxially connected with a stirring shaft 3 which sequentially penetrates through the lower end face of the reaction kettle body 1 and the upper end face of the reaction kettle body 1, and the stirring shaft 3 is rotatably connected with the upper end face of the reaction kettle body 1 and the lower end face of the reaction kettle body 1. Four support legs 15 are fixed on the lower end surface of the reaction kettle body 1. The inside wall of reaction kettle body 1 is fixed with inner coil 16 coiled in a snake shape around the inside wall of reaction kettle body 1, and the side wall of reaction kettle body 1 is communicated with a steam injection pipe 161 and a steam discharge pipe 162 communicated with inner coil 16. The upper end face of the reaction kettle body 1 is communicated with two water inlet pipes 12, and one ends of the water inlet pipes 12 arranged in the reaction kettle body 1 are respectively communicated with spray heads 121 arranged towards the inner coil pipes 16.

As shown in fig. 3 and 4, the outer circumferential surface of the stirring shaft 3 is provided with an accommodating groove 31 along the axial direction of the stirring shaft 3, the inner side of the accommodating groove 31 is hinged with a first rotating rod 311, one end of the first rotating rod 311 away from the accommodating groove 31 is hinged with a fixed frame 313 parallel to the stirring shaft 3, and the fixed frame 313 is a frame body with an opening facing the inner side wall of the reaction kettle body 1 (shown in fig. 2). A cleaning sponge 3131 is installed in the fixing frame 313, and the cleaning sponge 3131 is adhered to the inner side wall of the fixing frame 313. One end of the fixed frame 313 far away from the first rotating rod 311 is hinged with a second rotating rod 314 parallel to the first rotating rod 311 and located below the first rotating rod 311, and one end of the second rotating rod 314 far away from the fixed frame 313 is hinged with the inner wall of the accommodating groove 31. The slide block 5 is installed in the accommodating groove 31, and the slide block 5 is a weight with a certain weight and can automatically move downwards under the self gravity of the weight. The two side walls of the accommodating groove 31 parallel to the axis of the stirring shaft 3 are respectively provided with a sliding groove 33 along the length direction of the accommodating groove 31, the two sides opposite to the sliding blocks 5 are respectively fixed with a sliding strip 51, and the sliding strips 51 are connected with the sliding grooves 33 in a sliding manner. The upper end face of the sliding block 5 is hinged with a connecting rod 312, and one end of the connecting rod 312, which is far away from the sliding block 5, is hinged with the peripheral face of the first connecting rod 312. A stopper 32 located above the first rotating rod 311 is fixed in the receiving groove 31, and when the first rotating rod 311 rotates to be horizontal, one side of the first rotating rod 311 close to the stopper 32 abuts against the lower end face of the stopper 32. Stirring vanes 36 (shown in fig. 2) are installed on the outer circumferential surface of the stirring shaft 3 along the axial direction of the stirring shaft 3, the stirring vanes 36 (shown in fig. 2) are respectively arranged at two sides of the accommodating groove 31, and the stirring vanes 36 (shown in fig. 2) rotate coaxially with the stirring shaft 3.

As shown in fig. 5 and 6, the baffle 4 is slidably connected to the side of the stirring shaft 3 close to the opening of the receiving groove 31. Baffle 4 deviates from one side of holding tank 31 and is the arc face form, and baffle 4 upper end passes through the bolt fastening with (mixing) shaft 3 upper end. The handle 41 is arranged on the upper end surface of the baffle plate 4. The peripheral face of (mixing) shaft 3 is opened along (mixing) shaft 3 axial direction and is opened the sliding tray 35 that has and (mixing) shaft 3 up end intercommunication, and sliding tray 35 communicates with each other with holding tank 31, and two lateral walls that sliding tray 35 and holding tank 31 length direction are parallel are opened respectively along (mixing) shaft 3 axial direction and are had the recess 351 with (mixing) shaft 3 up end intercommunication, and baffle 4 both sides are fixed with sand grip 42 respectively, sand grip 42 and recess 351 sliding connection. Waterproof strips 43 are respectively bonded on two sides of the convex strip 42 fixed on the baffle 4.

As shown in fig. 2 and 7, the outer peripheral surface of the stirring shaft 3 disposed outside the upper end of the reaction vessel body 1 is provided with a through hole 34 communicated with the accommodating groove 31, and the outer peripheral surface of the stirring shaft 3 disposed outside the upper end of the reaction vessel body 1 is provided with a lifting mechanism 6 connected with the slider 5 (shown in fig. 4) and driving the slider 5 (shown in fig. 4) to move up and down. The lifting mechanism 6 comprises a lifting motor 61 arranged close to the through hole 34, a winding drum 63 coaxially connected with an output shaft of the lifting motor 61, a guide cylinder 64 rotationally connected with two side walls opposite to the accommodating groove 31 and arranged close to the through hole 34, and a pull rope 62 with two ends fixedly connected with the outer peripheral surface of the winding drum 63 and the upper end surface of the sliding block 5 (shown in fig. 4) respectively, wherein the pull rope 62 is a steel wire rope. The draw cord 62 is disposed through the through hole 34 in contact with the outer peripheral surface of the guide cylinder 64.

The working conditions and principles of the embodiment are as follows:

when cleaning inner coil pipe 16, at first pulling handle 41 takes out baffle 4, start lifting motor 61 afterwards and drive slider 5 and shift up to drive first bull stick 311 through connecting rod 312 and rotate towards keeping away from holding tank 31 direction, until first bull stick 311 is the level setting, lifting motor 61 stall. Meanwhile, the cleaning sponge 3131 abuts against the inner coil 16. And then starting the stirring motor 2 to drive the cleaning sponge 3131 to rotationally scrub the inner coil 16, meanwhile, injecting water into the water inlet pipe 12, and spraying the water to the inner coil 16 through the spray head 121, so as to combine with the rotational friction cleaning mode of the cleaning sponge 3131 to perform adhesion on the inner side wall of the reaction kettle body 1 and the outer peripheral surface of the inner coil 16, which is beneficial to improving the cleaning effect and the cleaning efficiency, and simultaneously reducing the influence of the adhesion on the heat transfer efficiency of the inner coil 16. In the cleaning process, the sewage is discharged out of the reaction kettle body 1 through the discharge pipe 13.

When stirring reaction material in the reation kettle, lift motor 61 overturns to drive reel 63 release stay cord 62, under the self gravity of slider 5, order about first bull stick 311, second bull stick 314 and clean sponge 3131 and accomodate into holding tank 31 in, then slide in baffle 4 along recess 351 length direction, and seal holding tank 31 opening. And it is fixed with (mixing) shaft 3 with baffle 4 through the bolt, start agitator motor 2 at last and order about stirring vane 36 and stir reaction material to reduce the condition that clean sponge 3131 adsorbs reaction material, and reduce the pollution of clean sponge 3131 to reaction material, be favorable to the normal clear of chemical reaction in the reation kettle.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an inner coil pipe heating reation kettle, includes reation kettle body (1), reation kettle body (1) up end intercommunication has solid inlet pipe (11), reation kettle body (1) inside wall is provided with snakelike inner coil pipe (16) of coiling reation kettle body (1) inside wall, reation kettle body (1) lateral wall intercommunication have with steam injection pipe (161) and steam discharge pipe (162), characterized by of inner coil pipe (16) intercommunication: the stirring device is characterized in that a stirring motor (2) is arranged on the lower end face of the reaction kettle body (1), an output shaft of the stirring motor (2) is coaxially connected with a stirring shaft (3) which penetrates through the reaction kettle body (1), an accommodating groove (31) is formed in the outer peripheral face of the stirring shaft (3) along the axis direction of the stirring shaft (3), a first rotating rod (311) is hinged to the inner side of the accommodating groove (31), a fixed frame (313) parallel to the stirring shaft (3) is hinged to one end, away from the accommodating groove (31), of the first rotating rod (311) is hinged to one end of the first rotating rod (313), a cleaning sponge (3131) is arranged in the fixed frame (313), a second rotating rod (314) parallel to the first rotating rod (311) is hinged to one end, away from the fixed frame (313), of the second rotating rod (314) is hinged to the inner side of the accommodating groove (31), and a, slider (5) articulated connecting rod (312), the one end that slider (5) were kept away from in connecting rod (312) is articulated with head rod (312) outer peripheral face, (mixing) shaft (3) set up and are provided with hoist mechanism (6) of being connected and driving about slider (5) and reciprocating at the outside one end outer peripheral face of reation kettle body (1).

2. The internal coil heating reactor of claim 1, wherein: (mixing) shaft (3) set up and open at reation kettle body (1) upper end outside outer peripheral face have with holding tank (31) intercommunication through (34), hoist mechanism (6) are including being close to hoist motor (61) that through (34) set up, with hoist motor (61) output shaft coaxial coupling's reel (63), vertical fixation are just close to holding tank (31) diapire guide cylinder (64) and both ends that through (34) set up respectively with reel (63) outer peripheral face and slider (5) up end fixed connection's stay cord (62), stay cord (62) with guide cylinder (64) outer peripheral face butt.

3. The internal coil heating reactor of claim 1, wherein: stirring shaft (3) outer peripheral face is provided with stirring vane (36) along (mixing) shaft (3) axis direction, stirring vane (36) branch is put holding tank (31) both sides and is set up.

4. The internal coil heating reactor of claim 1, wherein: (mixing) shaft (3) are close to holding tank (31) open-ended one side sliding connection has baffle (4), sliding tray (35) that have and (mixing) shaft (3) up end intercommunication are opened along (mixing) shaft (3) axis direction to (mixing) shaft (3) outer peripheral face, sliding tray (35) communicate with each other with holding tank (31), sliding tray (35) and two lateral walls that holding tank (31) length direction is parallel are opened respectively along (mixing) shaft (3) axis direction have with recess (351) of (mixing) shaft (3) up end intercommunication, baffle (4) both sides are provided with sand grip (42) respectively, sand grip (42) with recess (351) sliding connection.

5. The internal coil heating reactor of claim 1, wherein: a limiting block (32) located above the first rotating rod (311) is arranged in the accommodating groove (31), and when the first rotating rod (311) rotates to be horizontal, one side, close to the limiting block (32), of the first rotating rod (311) is abutted to the lower end face of the limiting block (32).

6. The internal coil heating reactor as set forth in claim 4, wherein: waterproof strips (43) are respectively arranged on two sides of the baffle (4) provided with the convex strips (42).

7. The internal coil heating reactor of claim 1, wherein: a plurality of water inlet pipes (12) are communicated with the upper end face of the reaction kettle body (1), and one ends of the water inlet pipes (12) arranged in the reaction kettle are respectively communicated with nozzles (121) arranged towards the inner coil pipe (16).

8. The internal coil heating reactor of claim 1, wherein: the cleaning sponge (3131) is bonded with the inner side wall of the fixing frame (313).

9. The internal coil heating reactor as set forth in claim 4, wherein: the upper end face of the baffle (4) is provided with a handle (41).