CN219984684U

CN219984684U - Hydration kettle

Info

Publication number: CN219984684U
Application number: CN202321648549.2U
Authority: CN
Inventors: 袁峥辉; 余亮; 肖杰; 任罕敏; 马骏
Original assignee: Hubei Xinyong Biological Environmental Protection Technology Co ltd
Current assignee: Hubei Xinyong Biological Environmental Protection Technology Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-11-10
Anticipated expiration: 2033-06-27

Abstract

The utility model relates to the technical field of reaction kettles, in particular to a hydration kettle, a countershaft is coaxially and rotatably arranged in a stirring shaft, the stirring shaft is in transmission connection with a first driving module, the countershaft is in transmission connection with a second driving module, two scraping plates are arranged in the kettle body around the stirring shaft, and the two scraping plates are in transmission connection with the countershaft through a transmission mechanism; the scraper blade is arc tile slice, and the scraper blade is parallel to cauldron body axis setting, and scraper blade one side is provided with the hypotenuse towards cauldron body bottom. According to the utility model, the two telescopic scraping plates are arranged on the stirring shaft, so that the scraping plates can serve as stirring blades when the stirring shaft stirs, and when materials in the kettle body are discharged, the scraping plates are in contact with the inner wall of the kettle body and do circular motion along with the stirring shaft, so that the materials on the inner wall of the kettle body can be scraped and flow into the bottom of the kettle body under the guiding action of the bevel edge, and the material residues in the kettle body are greatly reduced.

Description

Hydration kettle

Technical Field

The utility model relates to the technical field of reaction kettles, in particular to a hydration kettle.

Background

In the production process of acrylamide, a hydration kettle is required to be used for synthesizing materials. The preparation method comprises the specific steps of putting an aqueous solution of an acrylamide raw material into a hydration kettle, sequentially adding various additives such as sodium carbonate, ammonia water, sodium nitrite and potassium persulfate, closing the hydration kettle, stirring for a period of time to fully mix the materials, waiting for a period of time to enable the materials and the additives to generate hydration reaction to generate colloid, opening the kettle body, taking out the colloid, granulating, drying and crushing to obtain an acrylamide finished product. When the existing hydration kettle takes out the colloidal materials after the reaction is finished, the materials can adhere to the inner wall of the kettle body due to the fact that the colloid has certain viscosity, the discharging effect of the materials in the kettle body is not ideal due to the fact that the materials in the kettle body are discharged only by means of gravity, and excessive residues of the materials in the kettle body are caused.

Disclosure of Invention

The utility model aims to solve the defect that too much material residue in a kettle body is caused by the fact that the material in the kettle body is discharged only by means of gravity in the prior art.

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

the design of the hydration kettle comprises a kettle body and a cover body, wherein a stirring shaft coaxially arranged with the kettle body is rotatably arranged on the cover body, the stirring shaft is of a hollow design, a countershaft is coaxially and rotatably arranged in the stirring shaft, the stirring shaft is in transmission connection with a first driving module, the countershaft is in transmission connection with a second driving module, two scraping plates are arranged in the kettle body around the stirring shaft and are in transmission connection with the countershaft through a transmission mechanism, so that the two scraping plates can be synchronously driven to do reciprocating motion relative to the stirring shaft when the countershaft rotates, and the scraping plates can be in contact with the inner wall of the kettle body in the reciprocating motion process;

the scraper blade is arc tile slice, the scraper blade sets up in parallel to the cauldron body axis, scraper blade one side is provided with the hypotenuse towards cauldron body bottom.

Preferably, the first driving module comprises a first gear, a ring gear and a motor, the ring gear is coaxially and fixedly arranged on the stirring shaft, the first gear meshed with the ring gear is arranged on one side of the ring gear, and an output shaft of the motor is coaxially and fixedly connected with the first gear.

Preferably, the second driving module comprises a second gear, a first rack and a pushing mechanism, wherein the top end of the auxiliary shaft extends out of the stirring shaft upwards, and then is coaxially and fixedly provided with a second gear, one side of the second gear is provided with a first rack meshed with the second gear, the first rack is connected to the pushing mechanism, and the pushing mechanism is used for driving the first rack to do linear reciprocating motion.

Preferably, the pushing mechanism comprises a screw rod, a movable block and a limiting rod, wherein the screw rod is arranged on the movable block in a threaded manner in a penetrating manner, the limiting rod is arranged in a penetrating manner, the screw rod and the limiting rod are both parallel to the first rack, two ends of the screw rod are respectively and rotatably connected with a fixing seat, two ends of the limiting rod are fixedly connected to the corresponding fixing seats, and the fixing seats are fixedly connected to the stirring shaft.

Preferably, a plurality of annular sealing rings are coaxially and fixedly arranged on the auxiliary shaft in the stirring shaft.

Preferably, an anti-sticking coating is arranged on the inner wall of the kettle body.

The hydration kettle provided by the utility model has the beneficial effects that: through be provided with two telescopic scrapers on the (mixing) shaft for the scraper blade can act as stirring vane when the (mixing) shaft stirs, when discharging the internal material of cauldron, the scraper blade contacts with the internal wall of cauldron, and follows the (mixing) shaft and do circular motion, can scrape the material on the internal wall of cauldron, and flows into the cauldron bottom under the direction effect of hypotenuse, thereby makes the internal material of cauldron remain and significantly reduces.

Drawings

FIG. 1 is a schematic diagram of a hydration kettle according to the present utility model;

FIG. 2 is a schematic diagram showing the internal structure of a hydration kettle according to the present utility model;

FIG. 3 is a schematic diagram of the internal structure of a hydration kettle according to the present utility model;

fig. 4 is a schematic diagram of the positions of a first driving module, a second driving module and a transmission mechanism of the hydration kettle;

fig. 5 is a schematic diagram of a top view structure of a scraper of a hydration kettle according to the present utility model;

FIG. 6 is a schematic diagram of a front view of a scraper of a hydration kettle according to the present utility model;

fig. 7 is a schematic diagram of a transmission mechanism of a hydration kettle according to the present utility model.

In the figure: 1. a kettle body; 2. a cover body; 3. an additive input pipe; 4. a material input pipe; 5. a stirring shaft; 6. a secondary shaft; 7. a transmission gear; 8. a second rack; 9. a guide rod; 10. a scraper; 11. connecting sleeves; 12. a first driving module; 13. a second driving module; 131. two gears; 132. a first rack; 133. a pushing mechanism; 14. and a discharging pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-7, a hydration kettle comprises a kettle body 1 and a cover body 2, wherein the kettle body 1 and the cover body 2 are detachably connected through bolts and nuts, a material input pipe 4 and an additive input pipe 3 are arranged on the cover body 2, a heating device is arranged on the kettle body 1 and used for heating materials in the kettle body 1, a discharging pipe 14 communicated with the inside is arranged at the bottom of the kettle body 1, and a valve is arranged on the discharging pipe 14. The stirring shaft 5 which is coaxially arranged with the kettle body 1 is rotatably arranged on the cover body 2, the stirring shaft 5 is hollow, the auxiliary shaft 6 is coaxially and rotatably arranged in the stirring shaft 5, the stirring shaft 5 is in transmission connection with the first driving module 12, the auxiliary shaft 6 is in transmission connection with the second driving module 13, two scraping plates 10 are arranged in the kettle body 1 around the stirring shaft 5, and the two scraping plates 10 are in transmission connection with the auxiliary shaft 6 through a transmission mechanism, so that the two scraping plates 10 can be synchronously driven to do reciprocating motion relative to the stirring shaft 5 when the auxiliary shaft 6 rotates, and the scraping plates 10 can be in contact with the inner wall of the kettle body 1 in the reciprocating motion process; the transmission mechanism comprises a transmission gear 7 and a second rack 8, wherein the bottom end of the auxiliary shaft 6 extends upwards out of the stirring shaft 5, the transmission gear 7 is coaxially and fixedly arranged at the rear of the auxiliary shaft 6, racks meshed with the transmission gear 7 are respectively arranged at two sides of the transmission gear 7, the racks are arranged in one-to-one correspondence with the scrapers 10, the corresponding racks are fixedly connected with the scrapers 10, a guide rod 9 parallel to the racks is fixedly connected to each scraper 10, a connecting sleeve 11 is sleeved on each guide rod 9, and each connecting sleeve 11 is fixedly connected with the stirring shaft 5. When the transmission mechanism is used, the auxiliary shaft 6 is driven by the second driving module 13 to drive the transmission gear 7 to rotate, the rotating transmission gear 7 synchronously drives the two second racks 8 to do reciprocating motion, and the second racks 8 drive the corresponding scraping plates 10 to do reciprocating motion. A plurality of annular sealing rings are coaxially and fixedly arranged on a countershaft 6 in the stirring shaft 5. The annular sealing ring is used for sealing a gap between the stirring shaft 5 and the auxiliary shaft 6 so as to prevent materials from entering the stirring shaft 5 through the gap. An anti-sticking coating is arranged on the inner wall of the kettle body 1.

The scraping plate 10 is in an arc tile shape, the scraping plate 10 is parallel to the central axis of the kettle body 1, and one side of the scraping plate 10 is provided with a bevel edge facing the bottom of the kettle body 1.

The first driving module 12 comprises a first gear, a ring gear and a motor, the ring gear is coaxially and fixedly arranged on the stirring shaft 5, the first gear meshed with the ring gear is arranged on one side of the ring gear, and an output shaft of the motor is coaxially and fixedly connected with the first gear. The motor is fixedly connected to the kettle body 1 or the cover body 2, and the motor drives the stirring shaft 5 in a gear transmission mode.

The second driving module 13 comprises a second gear 131, a first rack 132 and a pushing mechanism 133, wherein the top end of the auxiliary shaft 6 extends out of the stirring shaft 5 upwards, and then is coaxially and fixedly provided with the second gear 131, one side of the second gear 131 is provided with a first rack 132 meshed with the second gear 131, the first rack 132 is connected to the pushing mechanism 133, and the pushing mechanism 133 is used for driving the first rack 132 to do linear reciprocating motion.

When the stirring device is used, after the stirring of materials is completed and the hydration reaction of the materials is waited, an operator opens a valve of the discharging pipe 14, most of the materials in the kettle body 1 are discharged from the discharging pipe 14 under the action of gravity, but some materials still remain on the inner wall of the kettle body 1, at the moment, the operator operates the second driving module 13, the second driving module 13 drives the auxiliary shaft 6 in the stirring shaft 5 to drive the two scraping plates 10 to move outwards through the transmission mechanism synchronously until the scraping plates 10 are in contact with the inner wall of the kettle body 1, and then the first driving module 12 is started, so that the stirring shaft 5 drives the auxiliary shaft 6 and the scraping plates 10 thereof to do circular motion.

Example 2

Referring to fig. 7, as another preferred embodiment of the present utility model, the difference from embodiment 1 is that the pushing mechanism 133 includes a screw, a movable block, and a limiting rod, the movable block is threaded through and provided with the screw, the limiting rod is disposed parallel to the first rack 132, two ends of the screw are respectively rotatably connected with a fixing seat, two ends of the limiting rod are fixedly connected with the corresponding fixing seats, and the fixing seats are fixedly connected with the stirring shaft 5. The screw rod can be connected with a motor in a transmission manner or driven manually, when the screw rod rotates, the movable block on the screw rod is driven to reciprocate along the screw rod, and the movable block drives the first rack 132 to reciprocate, so the pushing mechanism 133 is arranged in a manner of being driven by the screw rod, because the auxiliary shaft 6 needs to synchronously rotate along with the stirring shaft 5, the auxiliary shaft 6 is prevented from autorotation in the rotating process, and the movable block can be kept in a locking state in the rotating process in a screw rod driving manner.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a hydration kettle, includes the cauldron body (1), lid (2), its characterized in that, install (5) on lid (2), (5) are hollow design, coaxial rotatable installs countershaft (6) in (5) stirring shaft, (5) transmission is connected with first drive module (12), countershaft (6) transmission is connected with second drive module (13), encircle (5) stirring shaft is provided with two scraper blades (10) in the cauldron body (1), two scraper blades (10) are all connected with countershaft (6) transmission through drive mechanism, so that can synchronous drive two scraper blades (10) do reciprocating motion for (5) when countershaft (6) rotate, just scraper blade (10) do reciprocating motion's in-process can be with the inner wall contact of cauldron body (1);

the scraping plate (10) is in an arc tile shape, the scraping plate (10) is parallel to the central axis of the kettle body (1), and one side of the scraping plate (10) is provided with a bevel edge facing the bottom of the kettle body (1).

2. The hydration kettle according to claim 1, wherein the first driving module (12) comprises a first gear, a ring gear and a motor, the ring gear is coaxially and fixedly arranged on the stirring shaft (5), the first gear meshed with the ring gear is arranged on one side of the ring gear, and an output shaft of the motor is coaxially and fixedly connected with the first gear.

3. The hydration kettle according to claim 1, wherein the second driving module (13) comprises a second gear (131), a first rack (132) and a pushing mechanism (133), the second gear (131) is coaxially and fixedly arranged at the rear end of the auxiliary shaft (6) extending upwards out of the stirring shaft (5), a first rack (132) meshed with the second gear (131) is arranged at one side of the second gear (131), the first rack (132) is connected to the pushing mechanism (133), and the pushing mechanism (133) is used for driving the first rack (132) to do linear reciprocating motion.

4. A hydration kettle according to claim 3, wherein said pushing mechanism (133) comprises a screw, a movable block and a limit rod, said movable block is threaded through a screw and is provided with a limit rod, said screw and said limit rod are parallel to said first rack (132), two ends of said screw are respectively rotatably connected with a fixing base, two ends of said limit rod are fixedly connected with corresponding fixing bases, and said fixing bases are fixedly connected with said stirring shaft (5).

5. The hydration kettle according to claim 1, characterized in that a plurality of annular sealing rings are coaxially and fixedly arranged on a countershaft (6) in the stirring shaft (5).

6. Hydration kettle according to claim 1, characterised in that the kettle body (1) is provided with an anti-sticking coating on its inner wall.