Reaction kettle for recovering heat energy

By combining the design of inner and outer heat-conducting cylinders and scraper stirring rods, the problem of poor surface cleaning of heat-absorbing tubes is solved, achieving efficient recovery and utilization of heat energy, and improving the cleaning effect and energy saving of the reactor.

CN224025036UActive Publication Date: 2026-03-24WUXI ZHONGYUE PETROCHEM EQUIP
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The heat absorption tubes in the existing reactor have a tubular arc-shaped structure, which results in poor cleaning effect of the cleaning plate on the surface of the heat absorption tubes and low heat recovery efficiency.

Method used

It adopts an internal and external heat-conducting cylinder structure, combined with a scraper and stirring rod design. The internal and external stirring rods are driven by a motor to rotate, thereby cleaning the inner wall of the vessel and the surface of the heat-conducting cylinder, and recovering heat energy through the circulation of heat-conducting liquid.

Benefits of technology

This improved the surface cleaning effect of the heat absorption tube, enabling efficient heat recovery and utilization, and saving energy.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224025036U_ABST
    Figure CN224025036U_ABST
Patent Text Reader

Abstract

The reaction kettle comprises a kettle body and a heating box, the top of the kettle body is provided with a feeding port, the bottom end of the kettle body is connected with a discharging valve through a flange, the outer wall of the top of the heating box is fixedly connected with a heat conduction liquid box, and a heat energy recycling assembly is arranged in the kettle body. The heat energy recovery assembly comprises an inner heat conduction cylinder and an outer heat conduction cylinder, and the outer heat conduction cylinder is sleeved on the outer side of the inner heat conduction cylinder. The inner heat conduction pipe is arranged between the inner heat conduction cylinder and the outer heat conduction cylinder, so that raw materials are prevented from being adhered to the inner heat conduction pipe, and the first scraping plate, the third scraping plate and the second scraping plate are driven by the connecting frame to scrape on the inner wall of the kettle body, the outer wall of the outer heat conduction cylinder and the inner wall of the inner heat conduction cylinder; therefore, chemical raw materials attached to the inner wall of the kettle body, the outer wall of the outer heat conduction cylinder and the inner wall of the inner heat conduction cylinder are scraped off, and the cleaning effect is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to reaction kettle technical field especially relates to a reaction kettle of recycling heat energy. BACKGROUND

[0002] At present, when the reaction kettle is used to prepare water reducing agent, polymerization and neutralization reaction need to be carried out in the reaction kettle, the reaction kettle needs to be heated during polymerization, and the temperature needs to be kept stable during neutralization reaction, but the heat is continuously released during neutralization reaction, so the neutralization reaction kettle needs to be cooled, which causes a lot of heat waste, so a heat energy recovery structure is needed to recover the heat energy in the kettle body, and the heat energy can be used to preheat water or other liquids, thereby saving energy.

[0003] Among them, through the retrieval, the patent number for CN222267144U of China, disclosed a kind of chemical production reaction kettle with heat energy recovery structure, above-mentioned patent with clean plate rotatable structure scheme realizes the function of heat absorption pipe surface cleaning, but since heat absorption pipe is arc structure of tubular shape, leading to the cleaning effect of clean plate to heat absorption pipe surface is poor, therefore, for the progress of industry technology, better realize the cleaning function of heat absorption pipe surface, improve core technology competitiveness, the present application proposes a new implementation scheme different from the heat energy recovery structure and application mode in the reaction kettle in prior art. UTILITARIAN CONTENT

[0004] The utility model aims at solving the problem that the cleaning effect of clean plate to heat absorption pipe surface is poor due to the arc structure of tubular shape of heat absorption pipe in the use process of existing reaction kettle, and proposes a reaction kettle of recycling heat energy.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of reaction kettle of recycling heat energy, including kettle body and heating box, the top of kettle body is equipped with feed inlet, the bottom end of kettle body is connected with discharge valve by flange, the top outer wall of heating box is fixedly connected with heat conduction liquid tank, heat energy recovery assembly is equipped in kettle body, the heat energy recovery assembly includes inner heat conduction cylinder and outer heat conduction cylinder, outer heat conduction cylinder is sleeved on the outside of inner heat conduction cylinder, the top between outer heat conduction cylinder and inner heat conduction cylinder is fixedly connected with multiple connecting rods, the top of connecting rod is fixedly connected with the top inner wall of kettle body, the top of kettle body is rotatably inserted with rotating rod, the outer wall of rotating rod is fixedly connected with multiple inner stirring rods, and the inner stirring rod is located in inner heat conduction cylinder, the outer wall of rotating rod is fixedly connected with connecting frame, the top of connecting frame is fixedly connected with first scraper, second scraper and third scraper, the inner wall of kettle body is contacted with first scraper, the inner wall of inner heat conduction cylinder is contacted with second scraper, and the outer wall of outer heat conduction cylinder is contacted with third scraper.

[0007] Further, the heat-conducting liquid tank is provided with a heat insulation pad between the heat-conducting liquid tank and the heating tank.

[0008] Further, the top of the connecting frame is fixedly connected with a plurality of movable rods, and the outer wall of the movable rod is fixedly connected with a plurality of outer stirring rods, and the outer stirring rod is located between the outer heat-conducting cylinder and the kettle body.

[0009] Further, the top outer wall of the kettle body is fixedly connected with a mounting frame, the top of the mounting frame is fixedly connected with a motor, and the output end of the motor is fixedly connected with the top end of the rotating rod.

[0010] Further, the kettle body is provided with an installation cavity in the wall thickness, and a heating pipe is installed in the installation cavity.

[0011] Further, the top outer wall of the heat-conducting liquid tank is fixedly connected with a pump body, the liquid inlet end of the pump body is sealingly inserted with a liquid inlet pipe, the other end of the liquid inlet pipe is inserted with the heat-conducting liquid tank, the liquid outlet end of the pump body is sealingly inserted with a liquid outlet pipe, and the other end of the liquid outlet pipe is connected with one end of the inner heat-conducting pipe.

[0012] Further, the other end of the inner heat-conducting pipe is sealingly connected with a liquid passing pipe, the other end of the liquid passing pipe is sealingly sleeved with an outer heat-conducting pipe located in the heating tank, the other end of the outer heat-conducting pipe is sealingly inserted with a connecting pipe, and the other end of the connecting pipe is sealingly inserted with one side of the heat-conducting liquid tank.

[0013] Further, the top outer wall of the heating tank is fixedly connected with a heat preservation block, the other end of the heat preservation block is fixedly connected with the top outer wall of the kettle body, and the heat preservation block is wrapped outside the liquid outlet pipe, the liquid inlet pipe, the liquid passing pipe and the connecting pipe.

[0014] The beneficial effects of the present application are as follows:

[0015] 1. The inner heat-conducting pipe is arranged between the inner heat-conducting cylinder and the outer heat-conducting cylinder to avoid the raw materials adhering to the inner heat-conducting pipe, and the first scraper, the third scraper and the second scraper are driven by the connecting frame to scrape on the inner wall of the kettle body, the outer wall of the outer heat-conducting cylinder and the inner wall of the inner heat-conducting cylinder, so as to scrape down the chemical raw materials adhering to the inner wall of the kettle body, the outer wall of the outer heat-conducting cylinder and the inner wall of the inner heat-conducting cylinder, thereby improving the cleaning effect.

[0016] 2. The rotating rod is rotated under the driving of the motor, thereby driving the inner stirring rod to rotate, and further stirring and mixing the chemical raw materials in the inner heat-conducting cylinder, and under the connecting effect of the connecting frame, the outer stirring rod is driven to rotate, thereby stirring and mixing the chemical raw materials between the kettle body and the outer heat-conducting cylinder, so as to facilitate the reaction of the chemical raw materials.

[0017] 3. The heat energy recovery reaction kettle comprises a kettle body, a heating tank, an inner heat conduction pipe, an outer heat conduction pipe, a connecting rod, a rotating rod, a connecting frame, an inner stirring rod, a first scraper, a second scraper, a third scraper, a movable rod, an outer stirring rod, a motor, a mounting cavity, a heating pipe, a pump body, a liquid outlet pipe, a liquid inlet pipe, a liquid passing pipe, a connecting pipe and a heat conduction liquid tank. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A perspective structural schematic view of the reaction kettle for recycling heat energy is provided in the utility model.

[0019] Figure 2 A main view structural schematic view of the reaction kettle for recycling heat energy is provided in the utility model.

[0020] Figure 3 A kettle body internal section view structural schematic view of the reaction kettle for recycling heat energy is provided in the utility model.

[0021] Figure 4 A heat energy recovery assembly partial section view structural schematic view of the reaction kettle for recycling heat energy is provided in the utility model.

[0022] Figure 5 A partial section view structural schematic view of the reaction kettle for recycling heat energy is provided in the utility model.

[0023] In the drawing: 1, kettle body; 2, heating tank; 3, heat conduction liquid tank; 4, heat energy recovery assembly; 401, inner heat conduction cylinder; 402, outer heat conduction cylinder; 403, inner heat conduction pipe; 404, connecting rod; 5, rotating rod; 6, connecting frame; 7, inner stirring rod; 8, first scraper; 9, second scraper; 10, third scraper; 11, movable rod; 12, outer stirring rod; 13, motor; 14, mounting cavity; 15, heating pipe; 16, pump body; 17, liquid outlet pipe; 18, liquid inlet pipe; 19, liquid passing pipe; 20, outer heat conduction pipe; 21, connecting pipe; 22, heat preservation block. DETAILED DESCRIPTION

[0024] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Referring to Figures 1-5 A reaction kettle for recycling heat energy comprises a kettle body 1 and a heating tank 2. The kettle body 1 is provided with a feeding port at the top, and a discharging valve is connected to the bottom end of the kettle body 1 through a flange.

[0026] The kettle body 1 is provided with a heat energy recovery assembly 4, the heat energy recovery assembly 4 comprises an inner heat conduction cylinder 401 and an outer heat conduction cylinder 402, the outer heat conduction cylinder 402 is sleeved outside the inner heat conduction cylinder 401, an inner heat conduction pipe 403 is arranged between the inner heat conduction cylinder 401 and the outer heat conduction cylinder 402, the outer heat conduction cylinder 402 and the inner heat conduction cylinder 401 are connected through bolts, and a plurality of connecting rods 404 are fixed on the top of the outer heat conduction cylinder 402 through bolts, and the top end of the connecting rod 404 is fixedly connected with the inner wall of the top of the kettle body 1, so that the heat energy recovery assembly 4 is suspendedly arranged;

[0027] The top of the kettle body 1 is rotatably connected with a rotating rod 5, a plurality of inner stirring rods 7 are welded on the outer wall of the rotating rod 5, the top outer wall of the kettle body 1 is fixedly connected with a mounting frame through bolts, the top of the mounting frame is fixedly connected with a motor 13 through bolts, the output end of the motor 13 is fixedly connected with the top end of the rotating rod 5, and the wall of the kettle body 1 is provided with an installation cavity 14, and a heating pipe 15 is installed in the installation cavity 14, the heating pipe 15 is connected with a power supply, and the chemical raw materials in the kettle body 1 are heated by the heating pipe 15;

[0028] The rotating rod 5 is rotated under the drive of the motor 13, so as to drive the inner stirring rod 7 to rotate, and then the chemical raw materials in the inner heat conduction cylinder 401 are stirred and mixed, the inner stirring rod 7 is located in the inner heat conduction cylinder 401, the outer wall of the rotating rod 5 is welded with a connecting frame 6, the top of the connecting frame 6 is fixedly connected with a first scraper 8, a second scraper 9 and a third scraper 10 through bolts, the first scraper 8 is in contact with the inner wall of the kettle body 1, the second scraper 9 is in contact with the inner wall of the inner heat conduction cylinder 401, and the third scraper 10 is in contact with the outer wall of the outer heat conduction cylinder 402, under the drive of the connecting frame 6, the first scraper 8, the third scraper 10 and the second scraper 9 are scraped on the inner wall of the kettle body 1, the outer wall of the outer heat conduction cylinder 402 and the inner wall of the inner heat conduction cylinder 401, so as to scrape down the chemical raw materials adhered on the inner wall of the kettle body 1, the outer wall of the outer heat conduction cylinder 402 and the inner wall of the inner heat conduction cylinder 401.

[0029] A plurality of movable rods 11 are welded on the top of the connecting frame 6, a plurality of outer stirring rods 12 are welded on the outer wall of the movable rod 11, the outer stirring rod 12 is located between the outer heat conduction cylinder 402 and the kettle body 1, and the outer stirring rod 12 is driven to rotate under the connection of the connecting frame 6, so as to stir and mix the chemical raw materials between the kettle body 1 and the outer heat conduction cylinder 402, so as to facilitate the reaction of the chemical raw materials;

[0030] The top outer wall of the heating box 2 is fixedly connected with a heat conduction liquid tank 3 through bolts, and the heating box 2 and the heat conduction liquid tank 3 are provided with heat insulation pads, and the one side of the heating box 2 and the one side of the heat conduction liquid tank 3 are sealingly connected with a feeding pipe and a discharging pipe;

[0031] As Figure 5As shown, the top outer wall of the heat-conducting liquid tank 3 is bolted with a pump body 16, the liquid inlet end of the pump body 16 is sealingly inserted with a liquid inlet pipe 18, the other end of the liquid inlet pipe 18 is inserted with the heat-conducting liquid tank 3, the liquid outlet end of the pump body 16 is sealingly inserted with a liquid outlet pipe 17, the other end of the liquid outlet pipe 17 is connected with one end of the inner heat-conducting pipe 403, under the action of the pump body 16, the heat-conducting liquid is sucked into the liquid inlet pipe 18, and then is input into the inner heat-conducting pipe 403 through the liquid outlet pipe 17, the heat generated in the raw material reaction process is transferred to the heat-conducting liquid in the inner heat-conducting pipe 403 and is absorbed by the heat-conducting liquid, the other end of the inner heat-conducting pipe 403 is sealingly clamped with a liquid passing pipe 19, the other end of the liquid passing pipe 19 is sealingly sleeved with an outer heat-conducting pipe 20 located in the heating tank 2, the heat-conducting liquid after being heated is input into the outer heat-conducting pipe 20 through the liquid passing pipe 19, then the temperature of the heat-conducting liquid in the outer heat-conducting pipe 20 is transferred to the water or liquid to be heated in the heating tank 2, so as to heat the water in the heating tank 2, the other end of the outer heat-conducting pipe 20 is sealingly inserted with a connecting pipe 21, the other end of the connecting pipe 21 is sealingly inserted with the heat-conducting liquid tank 3 on one side, and the heat-conducting liquid in the outer heat-conducting pipe 20 is cooled at the same time, the cooled heat-conducting liquid is input into the heat-conducting liquid tank 3 through the connecting pipe 21 for collection, so as to realize the recycling of heat.

[0032] The top outer wall of the heating tank 2 is bolted with a heat preservation block 22, the other end of the heat preservation block 22 is in contact with the top of the kettle body 1, and the heat preservation block 22 is wrapped outside the liquid outlet pipe 17, the liquid inlet pipe 18, the liquid passing pipe 19 and the connecting pipe 21, so as to heat preservation of the liquid outlet pipe 17, the liquid inlet pipe 18, the liquid passing pipe 19 and the connecting pipe 21.

[0033] The working principle of the embodiment is as follows: in use, the heating pipe 15 is connected with the power supply, first, the chemical raw materials are put into the kettle body 1 through the feeding port, at the same time, the chemical raw materials in the kettle body 1 are heated by the heating pipe 15, and the motor 13 is started, under the driving of the motor 13, the rotating rod 5 is rotated to drive the inner stirring rod 7 to rotate, and then the chemical raw materials in the inner heat-conducting cylinder 401 are stirred and mixed, at the same time, the outer stirring rod 12 is rotated under the connection of the connecting frame 6, so as to stir and mix the chemical raw materials between the kettle body 1 and the outer heat-conducting cylinder 402, so as to facilitate the reaction of the chemical raw materials, at the same time, the connecting frame 6 drives the first scraper 8, the second scraper 9 and the third scraper 10 to rotate, so that the first scraper 8, the third scraper 10 and the second scraper 9 scrape on the inner wall of the kettle body 1, the outer wall of the outer heat-conducting cylinder 402 and the inner wall of the inner heat-conducting cylinder 401, so as to scrape down the chemical raw materials adhered to the inner wall of the kettle body 1, the outer wall of the outer heat-conducting cylinder 402 and the inner wall of the inner heat-conducting cylinder 401.

[0034] When the raw materials in the kettle body 1 are reacted, the pump body 16 is started, and the heat-conducting liquid is sucked into the liquid inlet pipe 18 under the action of the pump body 16, and then is input into the inner heat-conducting pipe 403 through the liquid outlet pipe 17, the heat of the raw materials is transferred to the heat-conducting liquid in the inner heat-conducting pipe 403 to heat, the heated heat-conducting liquid is input into the outer heat-conducting pipe 20 through the liquid passage 19, then the temperature of the heat-conducting liquid in the outer heat-conducting pipe 20 is transferred to the water or other liquid to be added in the heating tank 2, so as to heat the water in the heating tank 2, and the heat-conducting liquid in the outer heat-conducting pipe 20 is cooled, the cooled heat-conducting liquid is input into the heat-conducting liquid tank 3 through the connecting pipe 21 to collect, so as to realize the heat recovery, the water or other liquid in the heating tank 2 is circulated through the discharge pipe, after the circulation is completed, the heat preservation block 22 can be removed, the upper cover of the reaction kettle is taken off, and the internal part is manually cleaned.

[0035] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A reactor for recovering heat energy, comprising a reactor body (1) and a heating chamber (2), wherein the top of the reactor body (1) is provided with a feed inlet, and the bottom end of the reactor body (1) is connected to a discharge valve via a flange, characterized in that, A heat transfer liquid tank (3) is fixedly connected to the top outer wall of the heating box (2). A heat recovery assembly (4) is provided inside the vessel body (1). The heat recovery assembly (4) includes an inner heat transfer cylinder (401) and an outer heat transfer cylinder (402). The outer heat transfer cylinder (402) is sleeved on the outside of the inner heat transfer cylinder (401). A plurality of connecting rods (404) are fixedly connected to the top of the outer heat transfer cylinder (402) and the inner heat transfer cylinder (401). The top of the connecting rods (404) is fixedly connected to the top inner wall of the vessel body (1). The top of the vessel body (1) rotates. A rotating rod (5) is inserted, and multiple inner stirring rods (7) are fixedly connected to the outer wall of the rotating rod (5). The inner stirring rods (7) are located inside the inner heat-conducting cylinder (401). A connecting frame (6) is fixedly connected to the outer wall of the rotating rod (5). A first scraper (8), a second scraper (9), and a third scraper (10) are fixedly connected to the top of the connecting frame (6). The first scraper (8) contacts the inner wall of the vessel body (1), the second scraper (9) contacts the inner wall of the inner heat-conducting cylinder (401), and the third scraper (10) contacts the outer wall of the outer heat-conducting cylinder (402).

2. The heat recovery reactor according to claim 1, characterized in that, A heat insulation pad is provided between the heat transfer fluid tank (3) and the heating tank (2).

3. The heat recovery reactor according to claim 1, characterized in that, The top of the connecting frame (6) is fixedly connected to a plurality of movable rods (11), and the outer wall of the movable rods (11) is fixedly connected to a plurality of external stirring rods (12). The external stirring rods (12) are located between the external heat-conducting cylinder (402) and the vessel body (1).

4. The heat recovery reactor according to claim 1, characterized in that, The top outer wall of the vessel body (1) is fixedly connected to a mounting frame, and the top of the mounting frame is fixedly connected to a motor (13). The output end of the motor (13) is fixedly connected to the top of the rotating rod (5).

5. The heat recovery reactor according to claim 1, characterized in that, The vessel body (1) has an installation cavity (14) inside its wall, and a heating tube (15) is installed inside the installation cavity (14).

6. The heat recovery reactor according to claim 1, characterized in that, A pump body (16) is fixedly connected to the top outer wall of the heat transfer liquid tank (3). An inlet pipe (18) is sealed and inserted into the inlet end of the pump body (16). The other end of the inlet pipe (18) is inserted into the heat transfer liquid tank (3). An outlet pipe (17) is sealed and inserted into the outlet end of the pump body (16). The other end of the outlet pipe (17) is connected to one end of the inner heat transfer pipe (403).

7. The heat recovery reactor according to claim 6, characterized in that, The other end of the inner heat pipe (403) is sealed and clamped with a liquid passage pipe (19), and the other end of the liquid passage pipe (19) is sealed and sleeved with an outer heat pipe (20) located inside the heating box (2). The other end of the outer heat pipe (20) is sealed and inserted with a connecting pipe (21), and the other end of the connecting pipe (21) is sealed and inserted with one side of the heat transfer liquid box (3).

8. The heat recovery reactor according to claim 1, characterized in that, The top outer wall of the heating box (2) is fixedly connected to a heat insulation block (22), and the other end of the heat insulation block (22) is fixedly connected to the top outer wall of the vessel body (1). The heat insulation block (22) is wrapped around the outside of the liquid outlet pipe (17), the liquid inlet pipe (18), the liquid passage pipe (19) and the connecting pipe (21).

Citation Information

Patent Citations

  • Chemical production reaction kettle with heat energy recovery structure

    CN222267144U