Heat exchange device for recovering reaction heat of 2-methylpyridine

Abstract

The utility model discloses a heat exchange device for 2-methylpyridine reaction heat recovery, and relates to the field of heat recovery. The semiconductor chilling plate heat preservation belt comprises a supporting belt and a heat preservation belt body, a plurality of semiconductor chilling plates are clamped and fixed to one side of the supporting belt body, the heat preservation belt body is clamped and fixed to the other side of the supporting belt body, a capillary heat exchange pipe is clamped and fixed in the heat preservation belt body, and a hook-and-loop fastener rough surface is clamped and fixed to one side of the heat preservation belt body. By arranging the supporting belt and the heat preservation belt, the problems that a heat exchange device for reaction heat recovery is large in size, the space utilization rate is reduced, and when the reaction kettle is used for processing raw materials, even if a heat preservation structure is used for carrying out heat preservation on a reaction kettle shell, part of heat is difficult to be prevented from being lost through the reaction kettle shell; and the recovery efficiency of reaction heat is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of heat recovery, in particular, relate to a 2-methyl pyridine reaction heat recovery's heat exchange device. BACKGROUND

[0002] 2-methyl pyridine, it is an organic compound, is colorless liquid, with water miscible, dissolve in most organic solvents, mainly used for the synthesis of chemical such as medicine, dye, rubber, also be used as solvent, experimental reagent, and in 2-methyl pyridine reaction synthesis process, a lot of heat is often generated, to avoid the waste of heat, usually will heat exchange device and reaction kettle be connected, the heat of 2-methyl pyridine reaction is recycled and reused, but it still has the following problems in actual use:

[0003] The utility model discloses a coal tar hydrogenation reaction heat recovery device discloses a kind of heat recovery device main body including heat exchange tank and collection tank fixed distribution up and down, the first spiral pipe and second spiral pipe that are distributed left and right and are interconnected are equipped in the heat exchange tank, cooling water is filled in the heat exchange tank, the heat exchange tank rear side is equipped with suction mechanism, the suction mechanism includes the box body fixed in heat exchange tank rear end, rear cover is fixed in the box body rear end, suction fan is fixed on the box body inner wall, stirring mechanism is equipped in the heat exchange tank, when heat generated by reaction kettle is heat exchanged, the reaction heat recovery device used usually is relatively large in size, occupies larger space, it is inconvenient for the space layout in production workshop;

[0004] When raw materials are exothermic in reaction kettle, even if the reaction kettle is sleeved with heat preservation structure to avoid heat loss directly, part of heat will be lost through reaction kettle shell, and the recovery efficiency of reaction heat is low. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of 2-methyl pyridine reaction heat recovery's heat exchange device, by support belt and heat preservation belt, it solves the heat recovery's heat exchange device volume larger, reduce space utilization, reaction kettle when raw materials are processed, even if through heat preservation structure to the reaction kettle shell is heat preservation, it is difficult to avoid part of heat loss through reaction kettle shell, reduce the recovery efficiency of reaction heat Problem.

[0006] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0007] The utility model discloses a kind of 2-methyl pyridine reaction heat recovery's heat exchange device, including support belt and heat preservation belt, the support belt one side is clamped and fixed with multiple semiconductor refrigeration piece, the support belt other side is clamped and fixed with heat preservation belt, the heat preservation belt is clamped and fixed with capillary heat exchange pipe in, the heat preservation belt one side is clamped and fixed with magic tape hair face.

[0008] When the synthesis of 2-methylpyridine is carried out in a reaction kettle, when the raw materials react and start to release heat, the surface of the reaction kettle can be cooled by the semiconductor refrigerating sheet, so that the reaction kettle and the raw materials are rapidly cooled, and at the same time, the heat is transferred outward, avoiding the loss of part of the heat through the reaction kettle shell when the reaction kettle is used to react and process the raw materials, thereby improving the heat exchange efficiency; when the reaction kettle needs to heat the raw materials, the heat loss to the environment can be avoided by the heat preservation belt, and when the heat exchange device is used for heat exchange, the cold water can be rapidly passed through the capillary heat exchange pipe, so that the heat can heat the cold water and the heat can be recycled and reused; when the heat exchange device is installed, the support belt and the heat preservation belt are attached and wound on the reaction kettle shell, and the hook surface of the magic tape is attached to the wool surface of the magic tape, so that the installation of the heat exchange device is completed, which is simple in structure, convenient in operation, does not occupy the space in the production workshop, and greatly improves the space utilization.

[0009] Further, the support belt is fixedly connected with a positioning suction cup on one side, and the support belt is fixedly connected with a hook surface of a magic tape on one end of the one side.

[0010] The positioning suction cup can further ensure that the support belt is stably attached to the reaction kettle main body shell, so that part of the heat is prevented from being lost through the gap between the support belt and the reaction kettle shell; when the reaction kettle main body is used for exothermic reaction, the heat of the raw materials is transferred to the reaction kettle shell, the reaction kettle shell and the raw materials can be cooled by the semiconductor refrigerating sheet, the temperature in the reaction kettle main body is maintained stable, and the heat transferred to the reaction kettle shell can be recycled by the heat exchange device, so that part of the heat is prevented from being lost through the reaction kettle shell, and the heat exchange efficiency is improved.

[0011] Further, the wool surface of the magic tape is located on the other side of the heat preservation belt relative to the support belt, and the hook surface of the magic tape is attached to one side of the wool surface of the magic tape.

[0012] When the heat exchange device is installed, the support belt and the heat preservation belt are attached and wound on the reaction kettle shell, and the hook surface of the magic tape is attached to the wool surface of the magic tape, so that the installation of the heat exchange device is completed, which is simple in structure, convenient in operation, does not occupy the space in the production workshop, and greatly improves the space utilization.

[0013] Further, a positioning groove is formed in one side of the heat preservation belt, the positioning groove is located on the other side of the heat preservation belt relative to the wool surface of the magic tape, and the capillary heat exchange pipe is connected to the inner side of the positioning groove.

[0014] When the reaction kettle is used to heat the raw materials, the heat preservation belt can be used for heat preservation of the reaction kettle, so that the heat loss to the environment is avoided.

[0015] Further, the capillary heat exchange pipe is penetrated by the water inlet pipe and the water outlet pipe at both ends respectively, the water inlet pipe is penetrated and connected to the bottom of the heat preservation zone, and the water outlet pipe is penetrated and connected to the top of the heat preservation zone.

[0016] When the reaction kettle is working, when the raw materials are heated, the cold water slowly passes through the capillary heat exchange pipe, so that the heat lost outside the reaction kettle shell can be recovered by the cold water, and when the exothermic reaction is carried out in the reaction kettle, the cold water quickly passes through the capillary heat exchange pipe, so that a large amount of heat lost outside can be recovered by the cold water, and the heat recovery efficiency is ensured.

[0017] The utility model has the advantages of the following beneficial effects:

[0018] The utility model discloses the support band and heat preservation zone setting, solved when the heat recovery device for reaction heat that uses in the heat exchange of the heat of reaction kettle, usually the volume is larger, occupies larger space, the problem of inconvenient space layout in production workshop, when installing the heat exchange device, the support band is adhered and is wound in the reaction kettle shell, and is adsorbed in the reaction kettle shell through the positioning suction cup and positions the support band, makes the magic paste hair surface adhere to the magic paste hook face suitable position, makes the heat exchange device whole close reaction kettle shell, completes the installation of heat exchange device, simple structure, convenient operation, and will not cause the occupation of space in production workshop, greatly improves the space utilization.

[0019] The utility model discloses the support band and heat preservation zone setting, solved when the heat recovery device for reaction heat that uses in the heat exchange of the heat of reaction kettle, usually the volume is larger, occupies larger space, the problem of inconvenient space layout in production workshop, when installing the heat exchange device, the support band is adhered and is wound in the reaction kettle shell, and is adsorbed in the reaction kettle shell through the positioning suction cup and positions the support band, makes the magic paste hair surface adhere to the magic paste hook face suitable position, makes the heat exchange device whole close reaction kettle shell, completes the installation of heat exchange device, simple structure, convenient operation, and will not cause the occupation of space in production workshop, greatly improves the space utilization. ACCURACY OF DRAWINGS

[0020] Figure 1 It is the structure effect drawing of the utility model;

[0021] Figure 2 It is the structure schematic view of the utility model;

[0022] Figure 3 It is the structure view of the support band of the utility model;

[0023] Figure 4 It is the structure view of the heat preservation zone of the utility model.

[0024] Reference signs:

[0025] 1, support belt; 101, semiconductor refrigeration piece; 102, positioning suction cup; 103, magic tape hook surface; 2, heat preservation belt; 201, magic tape wool surface; 202, capillary heat exchange pipe; 203, positioning groove; 204, drain pipe; 205, water inlet pipe. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0027] Please refer to Figures 1-4 The utility model discloses a heat exchange device for 2-methylpyridine reaction heat recovery, which comprises a support belt 1 and a heat preservation belt 2. A plurality of semiconductor refrigeration pieces 101 are fixedly connected to one side of the support belt 1. The heat preservation belt 2 is fixedly connected to the other side of the support belt 1. Capillary heat exchange pipes 202 are fixedly connected to the heat preservation belt 2. Magic tape wool surfaces 201 are fixedly connected to one side of the heat preservation belt 2.

[0028] When the heat exchange device is installed, the support belt 1 and the heat preservation belt 2 are attached and wound on the shell of a reaction kettle. The positioning suction cup 102 is adsorbed on the shell of the reaction kettle. The magic tape hook surface 103 is attached to the magic tape wool surface 201 at a suitable position. The support belt 1 can be tightly attached to the shell of the reaction kettle. When the synthesis of 2-methylpyridine is carried out in the reaction kettle, the heat preservation belt 2 can prevent the heat from flowing out of the shell of the reaction kettle when the raw materials are heated and stirred. The heat is recovered by slowly flowing cold water through the capillary heat exchange pipes 202. When the reaction is exothermic, the semiconductor refrigeration pieces 101 are started to exchange heat with the surface of the reaction kettle. The shell of the reaction kettle and the raw materials are rapidly cooled. At the same time, the heat is transferred outward. The cold water is rapidly passed through the capillary heat exchange pipes 202. The heat is used to heat the cold water. The heat is recovered and reused.

[0029] As shown in Figures 1-3 The positioning suction cup 102 and the magic tape hook surface 103 are located on one side of the semiconductor refrigeration pieces 101 of the support belt 1. The magic tape wool surface 201 is located on the other side of the heat preservation belt 2 relative to the support belt 1. The magic tape hook surface 103 is attached to one side of the magic tape wool surface 201.

[0030] When the heat exchange device is installed, the support belt 1 and the heat preservation belt 2 are attached and wound on the reactor shell, so that the positioning suction cup 102 is tightly attached and adsorbed on the reactor shell, and the magic hook surface 103 is attached to the magic wool surface 201 in a suitable position, so as to ensure that the support belt 1 is stably attached to the reactor shell and avoid the loss of part of the heat through the gap between the support belt 1 and the reactor shell. When the heat release reaction is carried out in the reactor main body, the heat of the raw material is transferred to the reactor shell, and the reactor shell and the raw material are cooled by the semiconductor refrigeration sheet 101, so as to maintain the temperature stability in the reactor main body, and at the same time, the heat transferred to the reactor shell is recycled through the heat exchange device.

[0031] As shown in Figure 1 , 2 , 4, the heat preservation belt 2 is provided with a positioning groove 203 on one side, the positioning groove 203 is located on the other side of the heat preservation belt 2 relative to the magic wool surface 201, the capillary heat exchange pipe 202 is clamped on the inner side of the positioning groove 203, and the capillary heat exchange pipe 202 is respectively penetrated by the water inlet pipe 205 and the drain pipe 204 at both ends, the water inlet pipe 205 is penetrated and inserted into the bottom of the heat preservation belt 2, and the drain pipe 204 is penetrated and inserted into the top of the heat preservation belt 2;

[0032] When the reactor heats the raw material, the heat preservation belt 2 avoids the loss of heat outward through the reactor shell, the cold water is slowly pumped into the capillary heat exchange pipe 202 through the water inlet pipe 205, part of the heat lost outward through the reactor shell is recycled, and the hot water is discharged through the drain pipe 204 and utilized, and when the reaction releases heat, the semiconductor refrigeration sheet 101 is opened to exchange heat with the surface of the reactor, so that the reactor shell and the raw material are quickly cooled, at the same time, the heat is transferred outward, the cold water is quickly passed through the capillary heat exchange pipe 202, the heat is heated to the cold water, and the heat is recycled and utilized.

[0033] The specific working principle of the utility model is: when installing the heat exchange device, the support belt 1 and the heat preservation belt 2 are adhered and wound on the reactor shell, the positioning suction cup 102 is tightly adsorbed on the reactor shell, the magic hook face 103 is adhered on the magic wool face 201 in the appropriate position, the support belt 1 is stably adhered on the reactor shell, part of heat is avoided from being lost through the gap between the support belt 1 and the reactor shell, the water inlet pipe 205 is connected with other devices and the water pump, the drain pipe 204 is connected with other devices needing heat supply, when synthesizing 2-methylpyridine in the reactor, when the raw materials are heated and stirred, the heat preservation belt 2 avoids the heat from being lost outward through the reactor shell, the cold water is slowly pumped into the capillary heat exchange pipe 202 through the water inlet pipe 205, part of heat lost outward through the reactor shell is recovered, and the hot water is discharged through the drain pipe 204, when the reaction releases heat, the heat of the raw materials is transferred to the reactor shell, the semiconductor refrigerating sheet 101 is opened to exchange heat, the cold water is quickly passed through the capillary heat exchange pipe 202, the heat of the reactor shell and the raw materials is converted to the cold water, the reactor and the raw materials are cooled, and the temperature in the main body of the reactor is maintained stable.

[0034] The above is only the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement of the technical scheme recorded in the foregoing embodiments, belongs to the protection scope of the utility model.

Claims

1. A heat exchange device for recovering reaction heat of 2-methylpyridine, comprising a support belt (1) and an insulation belt (2), characterized in that: The support belt (1) is fixed with a plurality of semiconductor refrigeration pieces (101) on one side, the support belt (1) is fixed with a heat preservation belt (2) on the other side, the heat preservation belt (2) is fixed with a capillary heat exchange pipe (202) on the inside, and the heat preservation belt (2) is fixed with a magic tape hair surface (201) on one side.

2. The heat exchange device for recovering heat of 2-methylpyridine reaction according to claim 1, characterized in that: The support belt (1) is fixed with a positioning suction disc (102) on one side, and the support belt (1) is fixed with a magic tape hook surface (103) on one end of one side, and the positioning suction disc (102) and the magic tape hook surface (103) are located on the side of the semiconductor refrigeration piece (101) of the support belt (1).

3. The heat exchange device for recovering heat of 2-methylpyridine reaction according to claim 2, characterized in that: The magic tape hook surface (103) is located on the other side of the heat preservation belt (2) relative to the support belt (1), and the magic tape hook surface (103) is attached to one side of the magic tape hook surface (201).

4. The heat exchanger for recovering heat of 2-methylpyridine reaction according to claim 1, characterized in that: The heat preservation belt (2) is provided with a positioning groove (203) on one side, the positioning groove (203) is located on the other side of the heat preservation belt (2) relative to the magic tape hook surface (201), and the capillary heat exchange pipe (202) is connected to the inside of the positioning groove (203).

5. The heat exchanger for recovering heat of 2-methylpyridine reaction according to claim 1, characterized in that: The capillary heat exchange pipe (202) is respectively connected with a water inlet pipe (205) and a drain pipe (204) at both ends, the water inlet pipe (205) is inserted into the bottom of the heat preservation belt (2), and the drain pipe (204) is inserted into the top of the heat preservation belt (2).

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