A kind of reaction equipment for preparing acrylic acid polymer

Abstract

The utility model discloses a reaction device for preparing acrylic acid polymer, and relates to the technical field of reaction devices. The reaction device for preparing acrylic acid polymer comprises a reaction tank, an external cooling device, which is arranged on the reaction tank, and a stirring cooling device, which is arranged on the reaction tank. The stirring cooling device comprises two connecting pipes, which are respectively rotatably connected to the upper and lower surfaces of the reaction tank, and the opposite ends of the two connecting pipes are both rotatably penetrated into the interior of the reaction tank. By arranging the stirring cooling device, the acrylic acid polymer raw material can be cooled during stirring, and by arranging the external cooling device, the outer surface of the reaction tank can be cooled. By adopting a method of cooling both inside and outside, compared with a device adopting only one cooling method, the interior of the reaction tank and the acrylic acid polymer raw material can be cooled quickly, thereby improving the quality of the acrylic acid polymer product.

Description

Technical Field

[0001] The utility model relates to the technical field of reaction equipment, in particular to a reaction equipment for preparing acrylic acid polymer. Background Art

[0002] The utility model discloses a reaction device for acrylic acid polymers with the publication number CN215028845U, and the utility model discloses a reaction device for acrylic acid polymers: comprising a reactor, wherein a feed port is fixed on the top of the reactor. The utility model arranges a stirring device inside the reactor, starts a motor to drive a rotating rod to rotate, arranges stirring blades and auxiliary blades on the surface of the rotating rod and arranges them at equal intervals, fully stirs the materials in the reactor, makes the stirring more uniform, and improves the reaction production efficiency. A cooling device is arranged on one side of the reactor, and a coolant is injected into a storage box, and the coolant is pumped out by a water pump and input into the cavity through a conveying pipe, and the heat generated by the reaction inside the reactor is absorbed, and the heat is discharged from the discharge pipe and cooled and recovered in the storage box through a condenser, so as to realize a cooling cycle, effectively improve the cooling effect of the reaction production, improve the reaction quality, and save water resources.

[0003] However, in the above-mentioned acrylic polymer reaction device, although the stirring mechanism in the above-mentioned device can stir uniformly, the range of stirring the materials inside the reactor by the stirring mechanism is small, and the above-mentioned device only uses one cooling device to cool the reactor. Although the surface of the reactor can be cooled, the temperature of the internal raw materials is not easy to transfer, so that the cooling efficiency is relatively slow. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a reaction device for preparing acrylic acid polymer, which can solve the problem that although the stirring mechanism in the above device can stir uniformly, the stirring range of the stirring mechanism for materials inside the reactor is small, and the above device only uses one cooling device to cool the reactor. Although the surface of the reactor can be cooled, the temperature of the internal raw materials is not easy to transfer, so that the cooling efficiency is relatively slow.

[0006] (II) Technical solution

[0007] To achieve the above object, the utility model provides the following technical solution: a reaction device for preparing acrylic acid polymer, comprising a reaction tank and an external cooling device, wherein the external cooling device is arranged on the reaction tank;

[0008] A stirring and cooling device, which is arranged on the reaction tank and comprises two connecting pipes, which are rotatably connected to the upper and lower surfaces of the reaction tank respectively;

[0009] The opposite ends of the two connecting pipes are rotated to penetrate into the interior of the reaction tank, and the opposite surfaces of the two connecting pipes are fixedly connected with an H-shaped pipe rack, and the H-shaped pipe rack is communicated with the two connecting pipes;

[0010] The front and rear surfaces of the H-shaped tube rack are fixedly connected with arc-shaped stirring racks, and the arcs of the two arc-shaped stirring racks are in contact with the inner wall of the reaction tank;

[0011] Among them, a connecting plate is fixedly sleeved on the outer wall of the upper connecting pipe, and the H-shaped pipe rack and the two arc-shaped stirring racks are fixedly connected to the connecting plate.

[0012] Preferably, the stirring and cooling device further comprises two connecting sleeves, which are respectively rotatably sleeved on the opposite ends of the two connecting pipes, and the opposite surfaces of the two connecting sleeves are fixedly connected with L-shaped fixing plates, and the two L-shaped fixing plates are fixedly connected to the reaction tank;

[0013] Wherein, a motor is fixedly connected to the upper surface of the reaction tank, a first bevel gear is fixedly connected to the output end of the motor, and a second bevel gear is arranged on the right side of the first bevel gear;

[0014] The second bevel gear is fixedly sleeved on the outer wall of the upper connecting pipe, and the second bevel gear is meshed with the first bevel gear.

[0015] Preferably, the external cooling device comprises a heat-conducting sleeve and an annular tube rack, the annular tube rack is fixedly sleeved on the outer wall of the reaction tank, the heat-conducting sleeve is fixedly sleeved on the outer wall of the reaction tank, and the annular tube rack is located inside the heat-conducting sleeve;

[0016] The front and rear surfaces of the heat-conducting sleeve are both fixedly connected with support plates, the upper surfaces of the two support plates are respectively fixedly connected with a first refrigeration box and a second refrigeration box, and the second refrigeration box is located at the rear side of the first refrigeration box.

[0017] Preferably, the external cooling device further comprises a first water pump, the first water pump is fixedly connected to the left side of the first refrigeration box, the input end of the first water pump is communicated with the interior of the first refrigeration box, the output end of the first water pump is fixedly connected to a second water pipe, the end of the second water pipe away from the first water pump penetrates into the interior of the heat-conducting sleeve and is fixedly connected to the annular pipe rack;

[0018] The second water delivery pipe is connected to the annular pipe rack, the upper surface of the first refrigeration box is fixedly connected to the second water pump, the input end of the second water pump is fixedly connected to a water suction hose, and the water suction hose penetrates into the interior of the first refrigeration box;

[0019] Among them, the output end of the second water pump is fixedly connected to the third water pipe, the end of the third water pipe away from the second water pump is fixedly connected to the connecting sleeve located on the upper side, the third water pipe is communicated with the connecting pipe located on the upper side and the connecting sleeve located on the upper side, and the upper surface of the first refrigeration box is fixedly connected to the water inlet pipe communicated with it.

[0020] Preferably, the external cooling device further comprises a third water pump, the third water pump is fixedly connected to the right side of the second refrigeration box, and the input end of the third water pump is communicated with the interior of the second refrigeration box;

[0021] The output end of the third water pump is fixedly connected to a fourth water pipe, an end of the fourth water pipe away from the third water pump penetrates into the interior of the first refrigeration box, and the rear surface of the second refrigeration box is fixedly connected to the first water pipe communicating therewith;

[0022] Wherein, one end of the first water pipe away from the second refrigeration box is fixedly connected to the lower connecting sleeve, and the first water pipe is in communication with the lower connecting sleeve and the lower connecting pipe;

[0023] Among them, the right side of the second refrigeration box is fixedly connected with a fifth water pipe communicating with it, and the end of the fifth water pipe away from the second refrigeration box passes through the interior of the heat conduction sleeve and is fixedly connected to the annular pipe rack, and the fifth water pipe communicates with the annular pipe rack.

[0024] Preferably, the upper surface of the reaction tank is fixedly connected to two feeding pipes communicating therewith, and both feeding pipes are provided with switch valves;

[0025] Among them, the lower surface of the reaction tank is fixedly connected with a discharge pipe communicated with it, and a solenoid valve is arranged on the discharge pipe. The lower surfaces of the two support plates are fixedly connected with support legs.

[0026] (III) Beneficial effects

[0027] Compared with the prior art, the beneficial effects of the utility model are:

[0028] (1) The acrylic acid polymer preparation reaction equipment can cool down the acrylic acid polymer raw material during stirring by arranging a stirring and cooling device, and can cool down the outer surface of the reaction tank by arranging an external cooling device. By adopting a method of cooling down both the inside and the outside, compared with a device that only adopts one cooling method, the inside of the reaction tank and the acrylic acid polymer raw material can be cooled quickly, thereby improving the quality of the acrylic acid polymer product.

[0029] (2) The acrylic acid polymer preparation reaction equipment can stir the acrylic acid polymer raw material in a larger area inside the reaction tank by arranging two arc-shaped stirring racks and an H-shaped pipe rack, and the increase in the stirring area can effectively improve the uniformity of the stirring of the raw material, and at the same time, the raw materials can react quickly and fully, thereby improving the efficiency of acrylic acid polymerization preparation. During the stirring reaction of the raw material, the arcs of the two arc-shaped stirring racks are used to scrape the acrylic acid polymer raw material remaining on the inner wall of the reaction tank, thereby preventing the raw material from solidifying on the inner wall and being troublesome, time-consuming and labor-intensive to clean up later, thereby improving the practicality of the acrylic acid polymer reaction equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0031] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0032] Figure 2 It is a right side schematic diagram of the utility model as a whole;

[0033] Figure 3 This is a schematic diagram of the connection between the annular pipe rack and the reaction tank of the utility model;

[0034] Figure 4 This is a schematic diagram of the H-shaped pipe rack and the arc-shaped stirring rack of the utility model;

[0035] Figure 5 This is a schematic diagram of the connection between the second water delivery pipe and the annular pipe rack of the utility model.

[0036] Figure numerals: 1, support leg; 2, heat-conducting sleeve; 3, first water pipe; 4, L-shaped fixing plate; 5, second water pipe; 6, first water pump; 7, first refrigeration box; 8, second water pump; 9, arc-shaped stirring frame; 10, third water pipe; 11, connecting sleeve; 12, feed pipe; 13, reaction tank; 14, motor; 15, second refrigeration box; 16, support plate; 17, first bevel gear; 18, connecting pipe; 19, fourth water pipe; 20, discharge pipe; 21, third water pump; 22, fifth water pipe; 23, second bevel gear; 24, annular pipe rack; 25, H-shaped pipe rack; 26, connecting plate. DETAILED DESCRIPTION

[0037] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0038] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0040] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0041] See also Figure 1-5 , the utility model provides a technical solution: a reaction device for preparing acrylic acid polymer comprises a reaction tank 13, an external cooling device, and the external cooling device is arranged on the reaction tank 13;

[0042] A stirring and cooling device, which is disposed on the reaction tank 13 and includes two connecting pipes 18, which are rotatably connected to the upper and lower surfaces of the reaction tank 13 respectively;

[0043] The opposite ends of the two connecting pipes 18 are rotated to penetrate into the interior of the reaction tank 13, and the opposite surfaces of the two connecting pipes 18 are fixedly connected with an H-shaped pipe rack 25, and the H-shaped pipe rack 25 is communicated with the two connecting pipes 18;

[0044] The front and rear surfaces of the H-shaped tube rack 25 are fixedly connected with arc-shaped stirring racks 9, and the arcs of the two arc-shaped stirring racks 9 are in contact with the inner wall of the reaction tank 13;

[0045] A connecting plate 26 is fixedly sleeved on the outer wall of the upper connecting pipe 18 , and the H-shaped pipe rack 25 and the two arc-shaped stirring racks 9 are fixedly connected to the connecting plate 26 .

[0046] Furthermore, the stirring and cooling device further comprises two connecting sleeves 11, which are respectively rotatably sleeved on the opposite ends of the two connecting pipes 18, and the opposite surfaces of the two connecting sleeves 11 are fixedly connected with L-shaped fixing plates 4, and the two L-shaped fixing plates 4 are fixedly connected to the reaction tank 13;

[0047] The upper surface of the reaction tank 13 is fixedly connected with a motor 14, the output end of the motor 14 is fixedly connected with a first bevel gear 17, and a second bevel gear 23 is arranged on the right side of the first bevel gear 17;

[0048] The second bevel gear 23 is fixedly sleeved on the outer wall of the upper connecting pipe 18 , and the second bevel gear 23 is meshed with the first bevel gear 17 .

[0049] Furthermore, the external cooling device includes a heat-conducting sleeve 2 and an annular tube rack 24, the annular tube rack 24 is fixedly sleeved on the outer wall of the reaction tank 13, the heat-conducting sleeve 2 is fixedly sleeved on the outer wall of the reaction tank 13, and the annular tube rack 24 is located inside the heat-conducting sleeve 2;

[0050] The front and rear surfaces of the heat-conducting sleeve 2 are fixedly connected with support plates 16 , and the upper surfaces of the two support plates 16 are respectively fixedly connected with the first refrigeration box 7 and the second refrigeration box 15 . The second refrigeration box 15 is located at the rear side of the first refrigeration box 7 .

[0051] Further, the external cooling device also includes a first water pump 6, which is fixedly connected to the left side of the first refrigeration box 7, the input end of the first water pump 6 is connected to the interior of the first refrigeration box 7, and the output end of the first water pump 6 is fixedly connected to a second water pipe 5, and the end of the second water pipe 5 away from the first water pump 6 penetrates into the interior of the heat-conducting sleeve 2 and is fixedly connected to the annular pipe rack 24;

[0052] The second water delivery pipe 5 is connected to the annular pipe rack 24, the upper surface of the first refrigeration box 7 is fixedly connected to the second water pump 8, the input end of the second water pump 8 is fixedly connected to a water suction hose, and the water suction hose penetrates into the interior of the first refrigeration box 7;

[0053] Among them, the output end of the second water pump 8 is fixedly connected to the third water pipe 10, and the end of the third water pipe 10 away from the second water pump 8 is fixedly connected to the connecting sleeve 11 located on the upper side. The third water pipe 10 is communicated with the connecting pipe 18 located on the upper side and the connecting sleeve 11 located on the upper side, and the upper surface of the first refrigeration box 7 is fixedly connected with a water inlet pipe communicated therewith.

[0054] Furthermore, the external cooling device further includes a third water pump 21, which is fixedly connected to the right side of the second refrigeration box 15, and an input end of the third water pump 21 is communicated with the interior of the second refrigeration box 15;

[0055] The output end of the third water pump 21 is fixedly connected to the fourth water pipe 19, and the end of the fourth water pipe 19 away from the third water pump 21 penetrates into the first refrigeration box 7, and the rear surface of the second refrigeration box 15 is fixedly connected to the first water pipe 3 communicating therewith;

[0056] Among them, one end of the first water pipe 3 away from the second refrigeration box 15 is fixedly connected to the lower connecting sleeve 11, and the first water pipe 3 is communicated with the lower connecting sleeve 11 and the lower connecting pipe 18;

[0057] Among them, the right side of the second refrigeration box 15 is fixedly connected with a fifth water pipe 22 which is in communication with it. The end of the fifth water pipe 22 away from the second refrigeration box 15 passes through the interior of the heat conductive sleeve 2 and is fixedly connected to the annular pipe rack 24. The fifth water pipe 22 is in communication with the annular pipe rack 24.

[0058] Furthermore, the upper surface of the reaction tank 13 is fixedly connected to two feeding pipes 12 communicating therewith, and both feeding pipes 12 are provided with switch valves;

[0059] The lower surface of the reaction tank 13 is fixedly connected with a discharge pipe 20 which is in communication therewith, and a solenoid valve is arranged on the discharge pipe 20 . The lower surfaces of the two support plates 16 are fixedly connected with support legs 1 .

[0060] Furthermore, when the acrylic acid polymer is reacted, the acrylic acid polymer is first put into the reaction tank 13 through the two feeding pipes 12, and then the motor 14 is started. The motor 14 drives the second bevel gear 23 to rotate through the first bevel gear 17, and the second bevel gear 23 drives the connecting pipe 18 to rotate. The connecting pipe 18 drives the H-shaped pipe rack 25 and the two arc-shaped stirring racks 9 to rotate through the connecting plate 26. The two arc-shaped stirring racks 9 and the H-shaped pipe rack 25 will stir the acrylic acid polymer raw material during rotation. By setting the two arc-shaped stirring racks 9 and The H-shaped pipe rack 25 can stir the acrylic polymer raw material in a larger area inside the reaction tank 13, and the increase in the stirring area can effectively improve the uniformity of the stirring of the raw materials, and at the same time enable the raw materials to react quickly and fully, thereby improving the efficiency of acrylic acid polymerization preparation. During the stirring reaction of the raw materials, the arc parts of the two arc-shaped stirring racks 9 scrape the acrylic polymer raw material remaining on the inner wall of the reaction tank 13 to prevent the raw material from solidifying on the inner wall and causing troublesome, time-consuming and labor-intensive cleaning later, thereby improving the practicality of the acrylic polymer reaction setting.

[0061] Furthermore, when the inside of the reaction tank 13 begins to heat up, the second water pump 8 and the first water pump 6 are started simultaneously. The second water pump 8 delivers cooling water to the inside of the H-shaped pipe rack 25 through the water suction hose, the third water pipe 10 and the connecting sleeve 11, and the acrylic polymer raw material is cooled during stirring. The first water pump 6 delivers cooling water to the inside of the annular pipe rack 24 through the second water pipe 5, and the outer surface of the reaction tank 13 is cooled. By providing a stirring and cooling device, the acrylic polymer raw material can be cooled during stirring. By providing an external cooling device, the outer surface of the reaction tank 13 can be cooled. By adopting a method of cooling both inside and outside, compared with a device that only adopts one cooling method, the inside of the reaction tank 13 and the acrylic polymer raw material can be cooled quickly, thereby improving the quality of the acrylic polymer product.

[0062] Working principle: When reacting the acrylic acid polymer, first put the acrylic acid polymer into the interior of the reaction tank 13 through the two feeding pipes 12, and then start the motor 14. The motor 14 drives the second bevel gear 23 to rotate through the first bevel gear 17, and the second bevel gear 23 drives the connecting pipe 18 to rotate. The connecting pipe 18 drives the H-shaped pipe rack 25 and the two arc-shaped stirring racks 9 to rotate through the connecting plate 26. The two arc-shaped stirring racks 9 and the H-shaped pipe rack 25 will stir the acrylic acid polymer raw materials during rotation.

[0063] Furthermore, when the inside of the reaction tank 13 begins to heat up, the second water pump 8 and the first water pump 6 are started simultaneously. The second water pump 8 delivers cooling water to the inside of the H-shaped pipe rack 25 through the water suction hose, the third water pipe 10 and the connecting sleeve 11, and the acrylic polymer raw material is cooled during stirring. The first water pump 6 delivers cooling water to the inside of the annular pipe rack 24 through the second water pipe 5, and the outer surface of the reaction tank 13 is cooled.

[0064] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A reaction device for preparing acrylic acid polymer, characterized in that: include: Reaction tank (13); An external cooling device, the external cooling device is arranged on the reaction tank (13); A stirring and cooling device, the stirring and cooling device is arranged on the reaction tank (13), and the stirring and cooling device comprises two connecting pipes (18), and the two connecting pipes (18) are rotatably connected to the upper and lower surfaces of the reaction tank (13) respectively; The opposite ends of the two connecting pipes (18) are rotated to penetrate into the interior of the reaction tank (13), and the opposite surfaces of the two connecting pipes (18) are fixedly connected with an H-shaped pipe rack (25), and the H-shaped pipe rack (25) is communicated with the two connecting pipes (18); The front and rear surfaces of the H-shaped tube rack (25) are fixedly connected with arc-shaped stirring racks (9), and the arcs of the two arc-shaped stirring racks (9) are in contact with the inner wall of the reaction tank (13); A connecting plate (26) is fixedly sleeved on the outer wall of the upper connecting pipe (18), and the H-shaped pipe rack (25) and the two arc-shaped stirring racks (9) are fixedly connected to the connecting plate (26).

2. The acrylic acid polymer preparation reaction equipment according to claim 1, characterized in that: The stirring and cooling device further comprises two connecting sleeves (11), the two connecting sleeves (11) are respectively rotatably sleeved on the opposite ends of the two connecting pipes (18), the opposite surfaces of the two connecting sleeves (11) are both fixedly connected to an L-shaped fixing plate (4), and the two L-shaped fixing plates (4) are both fixedly connected to the reaction tank (13); The upper surface of the reaction tank (13) is fixedly connected to a motor (14), an output end of the motor (14) is fixedly connected to a first bevel gear (17), and a second bevel gear (23) is arranged on the right side of the first bevel gear (17); The second bevel gear (23) is fixedly sleeved on the outer wall of the upper connecting pipe (18), and the second bevel gear (23) is meshed with the first bevel gear (17).

3. The reaction device for preparing acrylic acid polymer according to claim 1, characterized in that: The external cooling device comprises a heat-conducting sleeve (2) and an annular tube rack (24), wherein the annular tube rack (24) is fixedly sleeved on the outer wall of the reaction tank (13), the heat-conducting sleeve (2) is fixedly sleeved on the outer wall of the reaction tank (13), and the annular tube rack (24) is located inside the heat-conducting sleeve (2); The front and rear surfaces of the heat-conducting sleeve (2) are both fixedly connected to support plates (16), the upper surfaces of the two support plates (16) are respectively fixedly connected to a first refrigeration box (7) and a second refrigeration box (15), and the second refrigeration box (15) is located at the rear side of the first refrigeration box (7).

4. The reaction equipment for preparing acrylic acid polymer according to claim 3, characterized in that: The external cooling device further comprises a first water pump (6), the first water pump (6) being fixedly connected to the left side of the first refrigeration box (7), the input end of the first water pump (6) being in communication with the interior of the first refrigeration box (7), the output end of the first water pump (6) being fixedly connected to a second water pipe (5), the end of the second water pipe (5) away from the first water pump (6) passing through the interior of the heat-conducting sleeve (2) and being fixedly connected to the annular pipe rack (24); The second water delivery pipe (5) is in communication with the annular pipe rack (24); the upper surface of the first refrigeration box (7) is fixedly connected to a second water pump (8); the input end of the second water pump (8) is fixedly connected to a water suction hose, and the water suction hose penetrates into the interior of the first refrigeration box (7); The output end of the second water pump (8) is fixedly connected to a third water pipe (10), one end of the third water pipe (10) away from the second water pump (8) is fixedly connected to a connecting sleeve (11) located on the upper side, the third water pipe (10) is in communication with a connecting pipe (18) located on the upper side and a connecting sleeve (11) located on the upper side, and the upper surface of the first refrigeration box (7) is fixedly connected to a water inlet pipe in communication therewith.

5. The reaction equipment for preparing acrylic acid polymer according to claim 3, characterized in that: The external cooling device further comprises a third water pump (21), the third water pump (21) being fixedly connected to the right side of the second refrigeration box (15), and an input end of the third water pump (21) being communicated with the interior of the second refrigeration box (15); The output end of the third water pump (21) is fixedly connected to a fourth water pipe (19), an end of the fourth water pipe (19) away from the third water pump (21) penetrates into the interior of the first refrigeration box (7), and the rear surface of the second refrigeration box (15) is fixedly connected to a first water pipe (3) communicating therewith; Wherein, one end of the first water pipe (3) away from the second refrigeration box (15) is fixedly connected to the lower connecting sleeve (11), and the first water pipe (3) is in communication with the lower connecting sleeve (11) and the lower connecting pipe (18); The right side of the second refrigeration box (15) is fixedly connected to a fifth water pipe (22) in communication with the second refrigeration box. One end of the fifth water pipe (22) away from the second refrigeration box (15) penetrates into the interior of the heat-conducting sleeve (2) and is fixedly connected to the annular pipe rack (24). The fifth water pipe (22) is in communication with the annular pipe rack (24).

6. The reaction equipment for preparing acrylic acid polymer according to claim 1, characterized in that: The upper surface of the reaction tank (13) is fixedly connected to two feeding pipes (12) communicating therewith, and both feeding pipes (12) are provided with switch valves; The lower surface of the reaction tank (13) is fixedly connected to a discharge pipe (20) which is in communication therewith, and a solenoid valve is arranged on the discharge pipe (20). The lower surfaces of the two support plates (16) are fixedly connected to support legs (1).

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