Waste heat recovery device of resin reaction kettle

Abstract

The utility model discloses a waste heat recovery device of a resin reaction kettle, which comprises a reaction kettle, a first heat preservation cylinder is clamped on the outer surface of the lower end of the reaction kettle, the outer surface of the first heat preservation cylinder is fixedly connected with a first support annular plate seat, and support legs are fixed on the surface of the lower end of the first support annular plate seat. A second heat preservation barrel is clamped to the outer surface of the upper end of the reaction kettle, a second supporting annular plate seat is fixedly connected to the outer surface of the lower end of the second heat preservation barrel, a hydraulic cylinder is fixedly connected to the outer surface of the second supporting annular plate seat, and the end face of a pushing rod of the hydraulic cylinder is fixedly connected to the surface of a first supporting annular plate seat; a split combined structure is adopted, the first heat preservation barrel and the second heat preservation barrel wrap the outer surface of the reaction kettle in a butt joint mode, heat preservation can be achieved, water flow can be guided in to recycle residual heat of the reaction kettle, heat exchange is convenient, the heat preservation barrels can be separated and detached, and cleaning, assembling and disassembling are convenient.

Description

Technical Field

[0001] The utility model relates to the field of waste heat recovery devices for resin reactors, and more specifically, to a waste heat recovery device for resin reactors. Background Art

[0002] Resin usually refers to an organic polymer that softens or melts when heated, tends to flow under external force when softened, is solid, semi-solid, or sometimes liquid at room temperature. In a broad sense, any polymer compound that can be used as a raw material for plastic products is called a resin.

[0003] Nowadays, in order to improve the heating uniformity of the resin reactor, heating blocks are generally set around the reactor to heat the reactor body. However, during and after the heating reaction, the reactor body will emit a large amount of heat energy to the outside, which is wasted in the processing process and difficult to recycle.

[0004] In the prior art, for example, the authorization announcement number CN218901796U discloses a waste heat recovery device for a resin reactor, comprising: an inner shell, an outer shell, a hopper and a discharge pipe, wherein the outer shell is arranged outside the inner shell, a discharge pipe is installed at the lower end of the inner shell, and the other end of the discharge pipe extends out of the outer shell, the inner shell and the outer shell are provided with a hopper, and an electric heating layer is installed on the inner wall of the inner shell. The utility model can recover and store heat emitted from the inner shell through a phase change energy storage material, and release heat to keep the inner shell at a constant temperature when the inner shell is cooled; when the resin is discharged, the heat absorbed by the discharge pipe is transferred to the phase change energy storage material, which can further improve the waste heat recovery;

[0005] In the above-mentioned patent, an insulation shell structure is provided, wherein the insulation shell and the reactor are integrated into one structure. During use, the scale on the inner wall cannot be cleaned, and the construction and installation are inconvenient, and the overall waste heat recovery structure is inconvenient to maintain. Utility Model Content

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a waste heat recovery device for a resin reactor, which adopts a split and combined structure. The first insulation cylinder and the second insulation cylinder are wrapped and docked on the outer surface of the reactor to keep it warm, and water can be introduced to recycle the residual heat of the reactor. The heat exchange is convenient, the insulation cylinder can be separated and disassembled, and it is easy to clean and assemble and disassemble.

[0007] To solve the above problems, the utility model adopts the following technical solutions.

[0008] A waste heat recovery device for a resin reactor comprises a reactor, wherein a first heat-insulating cylinder is clamped on the outer surface of the lower end of the reactor, a first supporting annular plate seat is fixedly connected to the outer surface of the first heat-insulating cylinder, a supporting leg is fixedly provided on the lower end surface of the first supporting annular plate seat, a second heat-insulating cylinder is clamped on the outer surface of the upper end of the reactor, a second supporting annular plate seat is fixedly connected to the outer surface of the lower end of the second heat-insulating cylinder, a hydraulic cylinder is fixedly provided on the outer surface of the second supporting annular plate seat, a propulsion rod end face of the hydraulic rod is fixedly provided on the surface of the first supporting annular plate seat, and a supporting leg is fixedly provided on the lower end of the reactor. A discharge port is arranged, and an annular concave ring is arranged on the outer surface of the discharge port, and an inward-turned convex mouth is arranged on the bottom of the first heat-insulating cylinder, and the inward-turned convex mouth is buckled on the inner surface of the annular concave ring. The first heat-insulating cylinder and the second heat-insulating cylinder docking interface adopts a concave-convex mouth matching, and the inner surface of the concave-convex mouth of the first heat-insulating cylinder and the second heat-insulating cylinder is covered with a rubber layer. A split-merged structure is adopted, and the first heat-insulating cylinder and the second heat-insulating cylinder are wrapped and docked on the outer surface of the reactor to keep warm, and water flow can be introduced to recycle the residual heat of the reactor, and the heat exchange is convenient, the heat-insulating cylinder can be separated and disassembled, and it is convenient to clean and assemble and disassemble.

[0009] Furthermore, the hydraulic cylinders are distributed on the upper surfaces of both sides of the second supporting annular plate seat, and the end faces of the propulsion rods of the hydraulic cylinders are fixed to the upper surface of the first supporting annular plate seat by bolts, which is firmly fixed and easy to install.

[0010] Furthermore, a water inlet is provided on the upper end surface of the second heat-insulating cylinder, and the water inlet is distributed outside the outer end of the second heat-insulating cylinder to facilitate the introduction of cold water.

[0011] Furthermore, a water outlet is provided on the lower end surface of the first heat-insulating cylinder, and the water outlet is provided on the outer side of the lower end of the first heat-insulating cylinder to facilitate the discharge of hot water after heat exchange for utilization.

[0012] Furthermore, a feed port is arranged at the upper end of the reactor, and the inner surface of the second heat-insulating cylinder is sleeved on the outer surface of the feed port to facilitate sleeve positioning.

[0013] Furthermore, the first heat-insulating cylinder and the second heat-insulating cylinder are made of stainless steel cylinders, and the outer ends thereof are covered with heat-insulating coatings.

[0014] Furthermore, the support legs are welded and fixed to the lower surface of the first support annular plate seat, and the support legs are distributed around the lower surface of the first support annular plate seat.

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] (1) A split and combined structure is adopted, where the first heat-insulating cylinder and the second heat-insulating cylinder are wrapped and docked on the outer surface of the reactor to keep the heat, and water flow can be introduced to recycle the residual heat of the reactor. The heat exchange is convenient, and the heat-insulating cylinder can be separated and disassembled, which is convenient for cleaning and assembly and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a cross-sectional view of the overall structure of the utility model;

[0019] Figure 3 It is an enlarged view of point A of the utility model;

[0020] Figure 4 It is an enlarged view of point B of the present utility model.

[0021] Description of the numbers in the figure:

[0022] 1 reaction kettle, 2 first heat-insulating cylinder, 3 first supporting annular plate seat, 30 supporting legs, 4 second heat-insulating cylinder, 5 second supporting annular plate seat, 6 hydraulic cylinder, 100 discharge port, 101 ring concave ring, 20 inward protrusion, 40 water inlet pipe port, 7 water outlet pipe port, 102 feed port. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] See also Figure 1-4A waste heat recovery device for a resin reactor comprises a reactor 1, a first heat-insulating cylinder 2 is clamped on the outer surface of the lower end of the reactor 1, a first supporting annular plate seat 3 is fixedly connected to the outer surface of the first heat-insulating cylinder 2, a supporting leg 30 is fixed to the lower end surface of the first supporting annular plate seat 3, a second heat-insulating cylinder 4 is clamped on the outer surface of the upper end of the reactor 1, a second supporting annular plate seat 5 is fixedly connected to the outer surface of the lower end of the second heat-insulating cylinder 4, a hydraulic cylinder 6 is fixedly connected to the outer surface of the second supporting annular plate seat 5, a push rod end face of the hydraulic rod 6 is fixedly connected to the surface of the first supporting annular plate seat 3, a discharge port 100 is arranged at the lower end of the reactor 1, and the discharge port 100 is fixed to the lower end of the reactor 1. The outer surface of 00 is provided with an annular concave ring 101, and the bottom of the first heat-insulating cylinder 2 is provided with an inverted protrusion 20, which is buckled on the inner surface of the annular concave ring 101. The first heat-insulating cylinder 2 and the second heat-insulating cylinder 4 are matched with each other by concave-convex mouths. The inner surface of the concave-convex mouths of the first heat-insulating cylinder 2 and the second heat-insulating cylinder 4 is covered with a rubber layer (using a high-temperature resistant rubber layer). A split-and-merged structure is adopted. The first heat-insulating cylinder 2 and the second heat-insulating cylinder 4 are wrapped and docked on the outer surface of the reactor 1, which can be insulated, and water flow can be introduced to recycle the residual heat of the reactor 1. The heat exchange is convenient, the heat-insulating cylinder can be separated and disassembled, and it is convenient to clean and assemble and disassemble.

[0026] The hydraulic cylinder 6 is distributed on the upper surfaces of both sides of the second supporting annular plate seat 5, and the end surface of the propulsion rod of the hydraulic cylinder 6 is fixed to the upper surface of the first supporting annular plate seat 3 by bolts 60, so that the hydraulic cylinder 6 can be fixedly installed by bolts 60, and the installation is convenient;

[0027] The upper end surface of the second heat-insulating cylinder 4 is provided with a water inlet port 40, which is arranged outside the outer end of the second heat-insulating cylinder 4 to facilitate the introduction of cold water;

[0028] The lower end surface of the first heat-insulating cylinder 2 is provided with a water outlet 7, which is arranged outside the lower end of the first heat-insulating cylinder 2 to facilitate the outlet of hot water;

[0029] A feed inlet 102 is provided at the upper end of the reactor 1, and the inner surface of the second heat-insulating cylinder 4 is sleeved on the outer surface of the feed inlet 102 to facilitate sleeve positioning support;

[0030] The first heat-insulating cylinder 2 and the second heat-insulating cylinder 4 are made of stainless steel cylinders, and the outer ends thereof are covered with heat-insulating coatings to facilitate heat preservation and prevent the stainless steel from rusting;

[0031] The support legs 30 are welded and fixed to the lower surface of the first support annular plate seat 3, and the support legs 30 are distributed around the lower surface of the first support annular plate seat 3, so that the support is placed stably;

[0032] When it is used, a hydraulic cylinder 6 is fixedly connected through the outer surface of the second supporting annular plate seat 5, and the push rod end face of the hydraulic rod 6 is fixedly connected to the surface of the first supporting annular plate seat 3. The first heat-insulating cylinder 2 and the second heat-insulating cylinder 4 can be tightened and merged by the hydraulic cylinder 6 and docked and fixed. The lower end of the reactor 1 is provided with a discharge port 100, and the outer surface of the discharge port 100 is provided with a ring concave ring 101. The bottom of the first heat-insulating cylinder 2 is provided with an inverted protrusion 20. After tightening and merging, the inverted protrusion 20 is buckled on the inner surface of the ring concave ring 101 to block the seal and prevent surface leakage. The first heat-insulating cylinder 2 and the second heat-insulating cylinder 4 docking interface adopts a concave-convex mouth matching. The inner surface of the concave-convex mouth of the first heat-insulating cylinder 2 and the second heat-insulating cylinder 4 is covered with a rubber layer. After being clamped with each other, a blocking mouth seal is formed, and the seal can be squeezed and sealed with each other.

[0033] The upper end surface of the second heat-insulating cylinder 4 is provided with a water inlet 40, which is arranged outside the outer end of the second heat-insulating cylinder 4 to facilitate the introduction of cold water; the high-temperature waste heat generated by the reactor 1 can be used to heat the water flow and recover the waste heat;

[0034] When cleaning, drain the water flow, remove the bolts 60, lift the first insulation cylinder 4, and clean the inner walls of the two insulation cylinders. It is easy to clean and maintain. The insulation heat exchange mechanism and the reactor 1 adopt an assembled structure, which is easy to install, disassemble and maintain.

[0035] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A waste heat recovery device for a resin reactor, comprising a reactor (1), characterized in that: The first heat-insulating cylinder (2) is clamped on the outer surface of the lower end of the reaction kettle (1); the first heat-insulating cylinder (2) is fixedly connected to the outer surface of the first heat-insulating cylinder (2); the lower end surface of the first support annular plate seat (3) is fixed with a support leg (30); the second heat-insulating cylinder (4) is clamped on the outer surface of the upper end of the reaction kettle (1); the second heat-insulating cylinder (4) is fixedly connected to the outer surface of the lower end of the second heat-insulating cylinder (4); the second support annular plate seat (5) is fixedly connected to the outer surface of the second support annular plate seat (5); the hydraulic cylinder (6) is fixedly connected to the outer surface of the second support annular plate seat (5); the propulsion rod of the hydraulic cylinder (6) The end face is fixedly connected to the surface of the first supporting annular plate seat (3); a discharge port (100) is arranged at the lower end of the reaction kettle (1); an outer surface of the discharge port (100) is provided with an annular concave ring (101); an inward-turned protrusion (20) is arranged at the bottom of the first heat-insulating cylinder (2); the inward-turned protrusion (20) is buckled on the inner surface of the annular concave ring (101); the first heat-insulating cylinder (2) and the second heat-insulating cylinder (4) are connected at the interface by a concave-convex mouth, and the inner surface of the concave-convex mouth of the first heat-insulating cylinder (2) and the second heat-insulating cylinder (4) is covered with a rubber layer.

2. The waste heat recovery device for a resin reactor according to claim 1, characterized in that: The hydraulic cylinders (6) are distributed on the upper surfaces of both sides of the second supporting annular plate seat (5), and the end surfaces of the propulsion rods of the hydraulic cylinders (6) are fixed to the upper surface of the first supporting annular plate seat (3) by bolts (60).

3. The waste heat recovery device for a resin reactor according to claim 1, characterized in that: The upper end surface of the second heat-insulating cylinder (4) is provided with a water inlet pipe opening (40), and the water inlet pipe opening (40) is distributed outside the outer end of the second heat-insulating cylinder (4).

4. The waste heat recovery device for a resin reactor according to claim 1, characterized in that: The lower end surface of the first heat-insulating cylinder (2) is provided with a water outlet pipe (7), and the water outlet pipe (7) is arranged outside the lower end of the first heat-insulating cylinder (2).

5. The waste heat recovery device for a resin reactor according to claim 1, characterized in that: A feed inlet (102) is provided at the upper end of the reaction kettle (1), and the inner surface of the second heat-insulating cylinder (4) is sleeved on the outer surface of the feed inlet (102).

6. The waste heat recovery device for a resin reactor according to claim 1, characterized in that: The first heat-insulating cylinder (2) and the second heat-insulating cylinder (4) are made of stainless steel, and the outer ends thereof are covered with heat-insulating paint.

7. The waste heat recovery device for a resin reactor according to claim 1, characterized in that: The support legs (30) are welded and fixed to the lower surface of the first support annular plate seat (3), and the support legs (30) are distributed around the lower surface of the first support annular plate seat (3).

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