CN214438119U - Synthetic vacuum dehydration cauldron of using of TTA - Google Patents

Abstract

The utility model provides a synthetic vacuum dehydration cauldron of using of TTA belongs to new material processing technology field. The vacuum dehydration kettle for TTA synthesis comprises a kettle body, a heating mechanism and a stirring mechanism. Heating mechanism includes cavity heat pipe and heat-conducting sleeve, cavity heat pipe fixed mounting be in the internal portion of cauldron, just cavity heat pipe internally mounted has the heating member, heat-conducting sleeve rotates to cup joint cavity heat pipe surface, heat-conducting sleeve surface interval installs the heat-conducting plate, rabbling mechanism includes driving motor and axostylus axostyle. The utility model discloses a heating member, cavity heat pipe, heat-conducting sleeve pipe and heat-conducting plate cooperation can heat the internal material of cauldron, do benefit to the material and dewater, in addition, rotate through driving motor drive axostylus axostyle, can make the stirring vane on axostylus axostyle surface and the heat-conducting plate on heat-conducting sleeve pipe surface rotate, can stir the material, improve the effect of material dehydration.

Description

Synthetic vacuum dehydration cauldron of using of TTA

Technical Field

The utility model belongs to the technical field of the new material processing. In particular to a vacuum dehydration kettle for synthesizing TTA.

Background

In the production of The Tolytriazole (TTA), crude o-toluenediamine, water and sodium nitrite are pressurized and heated to 5.4MPa-5.7MPa and 270-280 ℃ in a medium-pressure synthesis kettle, the temperature and pressure are kept for 3 hours, then the materials are pressed to a decoloring kettle, the decoloration is carried out by active carbon, the filtered clear liquid enters an acidification washing kettle for acid dropping and the temperature is kept between 60 ℃ and 70 ℃, the clear liquid stands for 0.5 hour when the PH value is between 3.8 and 4.3, a shunt valve is used for water diversion, the materials are placed into a dehydration kettle for vacuum dehydration, then the materials in the dehydration kettle are sucked into a rectifying kettle for rectification by the negative pressure of a vacuum pump of a rectifying tower, and The Tolytriazole (TTA) is produced.

In the dehydration process of the vacuum dehydration kettle, jacket steam is subjected to temperature control heating, the control temperature is 140 ℃, and meanwhile, materials are fully stirred, so that the uniformity and the thoroughness of dehydration can be ensured. However, the existing vacuum dehydration kettle adopts single jacket steam for heating, is provided with a simple stirring rod, has poor stirring and heating uniformity, and has incomplete dehydration effect because the material close to the center of the stirring rod is not easy to run to the kettle wall; and the conventional stirring rod has no function of stirring up and down, and is one of the adverse factors for uniform dehydration progress.

Based on the above problems in the background art, research and development personnel have proposed a vacuum dehydration kettle for TTA synthesis.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a synthetic vacuum dehydration cauldron of using of TTA aims at improving the inconvenient material that heats, stirs of traditional dehydration cauldron, the poor problem of material dehydration effect.

The utility model discloses a realize like this:

the utility model provides a synthetic vacuum dehydration cauldron of using of TTA, including the cauldron body, heating mechanism and rabbling mechanism.

Heating mechanism includes cavity heat pipe and heat-conducting sleeve, cavity heat pipe fixed mounting be in the internal portion of cauldron, just cavity heat pipe internally mounted has the heating member, the heat-conducting sleeve rotates to cup joint cavity heat pipe surface, heat-conducting sleeve surface interval installs the heat-conducting plate, rabbling mechanism includes driving motor and axostylus axostyle, driving motor fixes the surface of cauldron body, the axostylus axostyle rotates to be installed the cauldron is internal, just driving motor's output shaft with the heat-conducting sleeve all with the axostylus axostyle transmission is connected, axostylus axostyle surface mounting has stirring vane.

The utility model discloses an in the embodiment, the internal portion of cauldron is provided with presss from both sides the cover, it has steam to advance pipe and steam outlet pipe to press from both sides the cover intercommunication, just steam advance the pipe shaft with steam outlet pipe shaft all is provided with the steam valve.

The utility model discloses an in one embodiment, cauldron body top intercommunication has the inlet pipe, cauldron body bottom intercommunication has the discharging pipe, just inlet pipe tip spiro union has the pipe to seal, the valve is installed to discharging pipe shaft.

The utility model discloses an in an embodiment, the both ends of cavity heat pipe all extend to the external portion of cauldron, just cavity heat pipe one end is sealed, the other end fretwork of cavity heat pipe, the inside slidable mounting of cavity heat pipe has the bracket, add the heat-insulating material and be heating resistor silk, just add the heat-insulating material with bracket fixed connection.

The utility model discloses an in an embodiment, the fretwork side spiro union of cavity heat pipe has the plug, just plug one side is rotated and is installed the connecting block, the connecting block with through haulage rope fixed connection between the bracket.

The utility model discloses an in one embodiment, the bracket includes heat-conducting ring and connecting rod, the heat-conducting ring is provided with a plurality ofly, adjacent two the heat-conducting ring passes through connecting rod fixed connection, it fixes to add the heat-insulating material inside the heat-conducting ring.

The utility model discloses an in one embodiment, the coating of heat conduction ring surface has heat conduction silicone grease layer, just heat conduction ring surface mounting has elasticity heat conduction piece, one side of elasticity heat conduction piece with the laminating of cavity heat pipe inner wall.

The utility model discloses an in an embodiment, the surface interval of cavity heat pipe installs the heat conduction and glues the piece, just one side of heat conduction gluey piece is being pasted heat conduction sleeve pipe inner wall.

The utility model discloses an in one embodiment, stirring vane sets up to the heliciform, just stirring vane follows the length direction interval of axle is provided with two at least.

In an embodiment of the present invention, the shaft rod and the heat conducting sleeve are connected to a gear through a key, and the gear is engaged with the gear, and the shaft rod and the heat conducting sleeve are vertically disposed.

The utility model has the advantages that: the vacuum dehydration kettle for TTA synthesis is obtained by the design, when in use, the hollow heat conducting pipe is heated by the heating element besides the steam to the jacket, and the heat conducting sleeve and the heat conducting plate are further heated, so that the materials in the kettle body can be heated in an auxiliary manner, and the uniform dehydration of the materials is facilitated, in addition, the driving motor is started, the shaft lever can be driven to rotate, the shaft lever can drive the stirring blade and the heat conducting sleeve, the stirring blade can carry out conventional vertical stirring on the materials, the uniform heating and dehydration of the materials are facilitated, the heat conducting plate on the surface of the heat conducting sleeve can carry out transverse stirring on the materials, the materials are mixed in the kettle except the vertical rotation, and are transversely stirred, the uniformity of material mixing is improved, meanwhile, the influence of the local overheating of the heat conducting sleeve and the heat conducting plate on the performance of the materials is also prevented, and through the arrangement, can carry out more thorough heating to the material of puddler central authorities, can also produce fabulous effect to the stirring of whole material and the homogeneity of being heated, install additional and reform transform portably, with low costs, be worth promoting.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a vacuum dehydration kettle for synthesis of TTA provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of a heating mechanism according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of a hollow heat conduction pipe according to an embodiment of the present invention;

fig. 4 is a schematic structural view of an agitating mechanism provided by the embodiment of the present invention.

In the figure: 100-kettle body; 110-jacket; 120-a steam inlet pipe; 130-a steam outlet pipe; 140-a steam valve; 150-feed pipe; 160-a discharge pipe; 200-a heating mechanism; 210-a hollow heat conducting tube; 211-pipe blocking; 212-connecting block; 213-heat conducting glue block; 220-heat conducting sleeve; 230-a heating element; 240-heat conducting plate; 250-a bracket; 251-a thermally conductive ring; 252-a connecting rod; 253-elastic heat-conducting block; 300-a stirring mechanism; 310-a drive motor; 320-shaft rod; 321-a gear; 330-stirring blade.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-4, the present invention provides a vacuum dehydration kettle for TTA synthesis, which comprises a kettle body 100, a heating mechanism 200 and a stirring mechanism 300.

Wherein, heating mechanism 200 sets up in the cauldron body 100, and heating mechanism 200 can heat the inside material of the cauldron body 100, does benefit to the dehydration of material, and rabbling mechanism 300 can stir the material, does benefit to the dehydration of material.

Referring to fig. 1, a jacket 110 is arranged inside a kettle body 100, the jacket 110 is communicated with a steam inlet pipe 120 and a steam outlet pipe 130, steam valves 140 are arranged on the pipe bodies of the steam inlet pipe 120 and the steam outlet pipe 130, the flow rate inside the steam inlet pipe 120 or the steam outlet pipe 130 can be controlled by opening and closing the steam valves 140, the flow rate of the steam inlet pipe 120 and the flow rate of the steam outlet pipe 130 are controlled, steam can be conveyed into the jacket 110 through the steam inlet pipe 120, and the steam in the jacket 110 can be discharged through the steam outlet pipe 130; the top intercommunication of the cauldron body 100 has the inlet pipe 150, cauldron body 100 bottom intercommunication has discharging pipe 160, and the spiro union of inlet pipe 150 tip has the pipe seal, the valve is installed to discharging pipe 160 pipe shaft, material accessible inlet pipe 150 enters into the cauldron body 100 in, and the spiro union makes things convenient for the dismouting in the pipe seal of inlet pipe 150, open the valve, the interior material accessible discharging pipe 160 of the cauldron body 100 discharges, can understand, this cauldron body 100 surface can set up vacuum tube, do benefit to the inside evacuation processing that carries out of the cauldron body 100.

Referring to fig. 1-3, the heating mechanism 200 includes a hollow heat pipe 210 and a heat pipe 220, the hollow heat pipe 210 is fixedly installed inside the kettle 100, a heating element 230 is installed inside the hollow heat pipe 210, the heat pipe 220 is rotatably sleeved on the surface of the hollow heat pipe 210, heat conducting plates 240 are installed on the surface of the heat pipe 220 at intervals, in specific implementation, the hollow heat pipe 210, the heat pipe 220 and the heat conducting plates 240 may be made of metal materials with good heat conducting properties such as copper and aluminum, the heating element 230 can heat the hollow heat pipe 210, and heat energy can be transferred to the surfaces of the heat pipe 220 and the heat conducting plates 240, so as to heat materials in the kettle 100, which is beneficial for dewatering the materials, and the hollow heat pipe 210 and the heat pipe 220 are connected through a bearing.

In this embodiment, both ends of the hollow heat pipe 210 extend to the outside of the kettle 100, one end of the hollow heat pipe 210 is closed, the other end of the hollow heat pipe 210 is hollowed, the bracket 250 is slidably mounted inside the hollow heat pipe 210, the heating element 230 is a resistance wire, the heating element 230 is fixedly connected with the bracket 250, the heating element 230 is fixed by the bracket 250, the bracket 250 is drawn out from the hollowed side of the hollow heat pipe 210, and the heating element 230 can be removed, so that the heating element 230 can be more conveniently disassembled and assembled, and the replacement of the heating element 230 is facilitated; further, a pipe plug 211 is screwed on the hollowed side of the hollow heat conducting pipe 210, a connecting block 212 is rotatably mounted on one side of the pipe plug 211, the connecting block 212 is fixedly connected with the bracket 250 through a hauling rope, a bearing is arranged at the joint of the connecting block 212 and the pipe plug 211, the pipe plug 211 can plug the hollowed side of the hollow heat conducting pipe 210, and the pipe plug 211 screwed on the hollow heat conducting pipe 210 is convenient to disassemble and assemble, after the pipe plug 211 is disassembled from the surface of the hollow heat conducting pipe 210, the pipe plug 211 is moved, so that the connecting block 212 and the hauling rope hauling bracket 250 can be moved, and the bracket 250 and the heating member 230 can be moved out of the hollow heat conducting pipe 210 conveniently;

it should be noted that the bracket 250 includes a plurality of heat-conducting rings 251 and connecting rods 252, the heat-conducting rings 251 are provided, two adjacent heat-conducting rings 251 are fixedly connected through the connecting rods 252, the heating element 230 is fixed inside the heat-conducting rings 251, the heat-conducting rings 251 can be made of metal materials with good heat-conducting property such as copper and aluminum, and the arrangement of the heat-conducting rings 251 is beneficial to the installation of the heating element 230; the surface of the heat conduction ring 251 is coated with a heat conduction silicone grease layer, the surface of the heat conduction ring 251 is provided with an elastic heat conduction block 253, one side of the elastic heat conduction block 253 is attached to the inner wall of the hollow heat conduction pipe 210, and the arrangement of the heat conduction silicone grease layer and the elastic heat conduction block 253 is beneficial to heating the hollow heat conduction pipe 210 by the heating element 230; the heat conducting rubber blocks 213 are installed on the surface of the hollow heat conducting pipe 210 at intervals, one side of each heat conducting rubber block 213 is attached to the inner wall of the heat conducting sleeve 220, the heat conducting rubber blocks 213 are additionally arranged, heat transfer between the hollow heat conducting pipe 210 and the heat conducting sleeve 220 is facilitated, and the elastic heat conducting blocks 253 and the heat conducting rubber blocks 213 are made of silica gel heat conducting blocks.

Referring to fig. 1 and 4, the stirring mechanism 300 includes a driving motor 310 and a shaft rod 320, the driving motor 310 is fixed on the surface of the kettle body 100, the shaft rod 320 is rotatably installed in the kettle body 100, an output shaft of the driving motor 310 and the heat conducting sleeve 220 are both in transmission connection with the shaft rod 320, a stirring blade 330 is installed on the surface of the shaft rod 320, in specific implementation, the driving motor 310 is started, the driving motor 310 can drive the shaft rod 320 to rotate, the shaft rod 320 can drive the stirring blade 330 and the heat conducting sleeve 220, the stirring blade 330 can stir the material, which is beneficial for the material to be dehydrated, and the heat conducting plate 240 on the surface of the heat conducting sleeve 220 can also stir the material, so as to improve the material dehydration effect.

In this embodiment, the stirring blades 330 are arranged in a spiral shape, at least two stirring blades 330 are arranged at intervals along the length direction of the shaft 320, and the arrangement of the stirring blades 330 is beneficial to stirring the materials; the shaft 320 and the heat conducting sleeve 220 are in key connection with the gear 321, the gear 321 is in meshing transmission, the shaft 320 and the heat conducting sleeve 220 are vertically arranged, and the gear 321 is arranged to facilitate transmission connection between the shaft 320 and the heat conducting sleeve 220.

Specifically, the working principle of the vacuum dehydration kettle for TTA synthesis is as follows: during the use, carry the material in to the cauldron body 100 through inlet pipe 150, advance pipe 120 through steam and carry steam to pressing from both sides in the cover 110, heat the material in the cauldron body 100, make the material dewater, start heating member 230, heating member 230 can heat hollow heat pipe 210, heat energy can transmit to heat-conducting sleeve 220 and heat-conducting plate 240 surface, thereby heat the material in the cauldron body 100, do benefit to the material and dewater, furthermore, start driving motor 310, driving motor 310 can drive axostylus axostyle 320 and rotate, axostylus axostyle 320 can drive stirring vane 330 and heat-conducting sleeve 220, stirring vane 330 can stir the material, do benefit to the material and dewater, and heat-conducting plate 240 on heat-conducting sleeve 220 surface also can stir the material, improve the effect of material dehydration.

It should be noted that the specific model specifications of the heating element 230 and the driving motor 310 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so detailed description is omitted.

The power supply of the heating member 230 and the driving motor 310 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A vacuum dehydration kettle for TTA synthesis is characterized by comprising

A kettle body (100);

the heating mechanism (200) comprises a hollow heat conduction pipe (210) and a heat conduction sleeve (220), the hollow heat conduction pipe (210) is fixedly installed inside the kettle body (100), a heating element (230) is installed inside the hollow heat conduction pipe (210), the heat conduction sleeve (220) is rotatably sleeved on the surface of the hollow heat conduction pipe (210), and the heat conduction plates (240) are installed on the surface of the heat conduction sleeve (220) at intervals;

the stirring mechanism (300) comprises a driving motor (310) and a shaft rod (320), the driving motor (310) is fixed on the surface of the kettle body (100), the shaft rod (320) is rotatably installed in the kettle body (100), an output shaft of the driving motor (310) and the heat conducting sleeve (220) are in transmission connection with the shaft rod (320), and stirring blades (330) are installed on the surface of the shaft rod (320).

2. The vacuum dehydration kettle for TTA synthesis according to claim 1, wherein a jacket (110) is arranged inside the kettle body (100), the jacket (110) is communicated with a steam inlet pipe (120) and a steam outlet pipe (130), and both the pipe body of the steam inlet pipe (120) and the pipe body of the steam outlet pipe (130) are provided with steam valves (140).

3. The vacuum dehydration kettle for TTA synthesis according to claim 1, wherein the top of the kettle body (100) is connected with a feeding pipe (150), the bottom of the kettle body (100) is connected with a discharging pipe (160), a pipe seal is screwed on the end of the feeding pipe (150), and a valve is installed on the pipe body of the discharging pipe (160).

4. The vacuum dehydration kettle for TTA synthesis as recited in claim 1, wherein both ends of said hollow heat pipe (210) extend to the outside of said kettle body (100), and one end of said hollow heat pipe (210) is closed, and the other end of said hollow heat pipe (210) is hollowed out, a bracket (250) is slidably mounted inside said hollow heat pipe (210), said heating element (230) is a resistance wire, and said heating element (230) is fixedly connected to said bracket (250).

5. The vacuum dehydration kettle for TTA synthesis according to claim 4, wherein a pipe plug (211) is screwed on the hollowed side of the hollow heat conducting pipe (210), a connection block (212) is rotatably installed on one side of the pipe plug (211), and the connection block (212) is fixedly connected with the bracket (250) through a traction rope.

6. The vacuum dehydration kettle for TTA synthesis according to claim 4, wherein said bracket (250) comprises a plurality of heat conduction rings (251) and a plurality of connecting rods (252), said heat conduction rings (251) are provided, two adjacent heat conduction rings (251) are fixedly connected by said connecting rods (252), and said heating element (230) is fixed inside said heat conduction rings (251).

7. The vacuum dehydration kettle for TTA synthesis according to claim 6, wherein the surface of said heat conduction ring (251) is coated with a heat conduction silicone layer, and the surface of said heat conduction ring (251) is installed with an elastic heat conduction block (253), and one side of said elastic heat conduction block (253) is attached to the inner wall of said hollow heat conduction pipe (210).

8. The vacuum dehydration kettle for TTA synthesis according to claim 1, wherein the surface of the hollow heat conduction pipe (210) is installed with heat conduction glue blocks (213) at intervals, and one side of the heat conduction glue blocks (213) is attached to the inner wall of the heat conduction sleeve (220).

9. The vacuum dehydration kettle for TTA synthesis according to claim 1, wherein said stirring blade (330) is disposed in a spiral shape, and at least two stirring blades (330) are disposed along the length direction of said shaft (320) at intervals.

10. The vacuum dehydration kettle for TTA synthesis according to claim 1, wherein said shaft (320) and said heat conduction sleeve (220) are both keyed with gears (321), and said gears (321) are in mesh transmission, and said shaft (320) and said heat conduction sleeve (220) are vertically arranged.

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