Polymerization reaction kettle for high-solid-content water reducing agent

Abstract

The utility model relates to the technical field of reaction kettle equipment, in particular to a high-solid-content water reducing agent polymerization reaction kettle. The high-solid-content water reducing agent polymerization reaction kettle comprises a kettle body, a heating assembly and a cooling assembly, a containing groove is formed in the inner circumference of the kettle body, a heat conduction ring is fixed in the containing groove, an annular groove is formed between the heat conduction ring and the containing groove, the heating assembly comprises an electromagnetic heating pipe, the electromagnetic heating pipe is fixed in the annular groove, and the electromagnetic heating pipe abuts against the heat conduction ring; the cooling assembly comprises a plurality of cooling water pipes, the cooling water pipes can be fixed in the kettle body, and gaps are formed between the cooling water pipes and the heat conduction rings. According to the reaction kettle provided by the invention, the reaction temperature in the reaction kettle can be quickly regulated and controlled, the reaction kettle adapts to quick change of process conditions, and the product quality is kept.

Description

TECHNICAL FIELD

[0001] The utility model relates to reaction kettle equipment technical field especially relates to a kind of high solid content water-reducing agent polymerization reactor. BACKGROUND

[0002] Polycarboxylic acid water-reducing agent is a kind of water-reducing agent variety with good comprehensive performance, due to its superior performance, it is more and more used in various key projects, but sometimes due to the construction site is far away, leading to increasing transportation cost, so development high concentration or solid polycarboxylic acid product is the primary condition for reducing transportation cost and promoting polycarboxylic acid water-reducing agent widely used in each place.

[0003] In order to avoid the viscosity of water-reducing agent polymerization process too large to cause chain segment rearrangement obstruction, affect product performance, the temperature of synthesis can be appropriately increased, when synthesizing high solid content product, polymerization temperature can be set in the range of 30-50 ℃, so the environmental temperature in polymerization reactor is an important influencing factor for the generation of water-reducing agent.

[0004] The current reaction kettle is usually provided with a cooling water circulation system or an electric heater inside separately to complete temperature adjustment, however, the prior art still has deficiencies in realizing rapid temperature regulation, and the separately provided cooling water circulation system or electric heater is difficult to achieve rapid temperature regulation within a period of time, the system reaction is slow, cannot timely adapt to the change of process conditions, and affects product quality. UTILITARY MODEL CONTENT

[0005] Based on the above status, the main purpose of the utility model is to provide a kind of high solid content water-reducing agent polymerization reactor, to solve the problem that the separately provided cooling water circulation system or electric heater is difficult to achieve rapid temperature regulation within a period of time, the system reaction is slow, cannot timely adapt to the change of process conditions, and affects product quality.

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0007] A kind of high solid content water-reducing agent polymerization reactor, including kettle body, heating component and cooling component;

[0008] The inner periphery of the kettle body is provided with a containing groove, a heat-conducting ring is fixed in the containing groove, and an annular groove is formed between the heat-conducting ring and the containing groove, the heating component includes an electromagnetic heating pipe, the electromagnetic heating pipe is fixed in the annular groove, and the electromagnetic heating pipe abuts against the heat-conducting ring.

[0009] The cooling component includes a cooling water pipe, and a plurality of cooling water pipes can be fixed in the kettle body, and a gap is provided between the cooling water pipe and the heat-conducting ring.

[0010] Preferably, the temperature measuring assembly further comprises two temperature measuring probes, which are fixed to the upper end of the kettle body and arranged along the radial direction of the kettle body.

[0011] Preferably, the cooling assembly further comprises an upper collecting pipe and a lower collecting pipe, the upper collecting pipe is fixed to the upper end of the kettle body, the lower collecting pipe is fixed to the inside of the kettle body, the upper and lower ends of each cooling water pipe are connected to the upper collecting pipe and the lower collecting pipe respectively, the upper collecting pipe is fixed with a first pipe body, the lower collecting pipe is fixed with a second pipe body, and the second pipe body extends out of the kettle body.

[0012] Preferably, the kettle body comprises a cylinder body and a cover body.

[0013] The upper end of the cylinder body is open, and the cylinder body and the cover body are detachably connected.

[0014] Preferably, the cover body is provided with a through slot, which can communicate with the annular groove.

[0015] Preferably, a limiting ring is further fixed in the cylinder body, and the outer periphery of the limiting ring can abut against the inner periphery of the heat conducting ring.

[0016] Preferably, the stirring assembly further comprises a stirring rod rotatably connected to the kettle body, and a plurality of stirring blades fixed to the stirring rod, wherein the stirring blades are located below the temperature measuring probes.

[0017] Preferably, the upper end of the kettle body is fixed with two drive cylinders arranged vertically, and the lower side of each drive cylinder is fixed with a push ring, and the axis of the push ring is vertically arranged.

[0018] Preferably, the upper end of the kettle body is fixed with two drive cylinders arranged vertically, and the lower side of each drive cylinder is fixed with a push ring, and the axis of the push ring is vertically arranged.

[0019] In summary, the present application has at least one of the following beneficial technical effects.

[0020] The reaction kettle in the present application adopts the structure of the heating assembly and the cooling assembly working together, adopts the efficient electromagnetic heating cooperating with the heat conducting ring to realize the heating function alone, quickly heats the reaction in the kettle body, adopts the cooling water pipe to realize the cooling function alone in the kettle body, quickly heats the reaction in the kettle body, when heating, only the electromagnetic heating pipe can be used for heating, when cooling, the power of the electromagnetic heating pipe can be reduced on one hand, and low-temperature cooling water can be introduced on the other hand, so that the temperature is quickly reduced, the reaction temperature in the reaction kettle of the present application can be quickly controlled, the rapid change of the process condition can be adapted, and the quality of the product can be maintained. Moreover, the heating assembly and the cooling assembly in the present application do not substantially occupy the internal reaction space of the reaction kettle, the installation position is reasonable, and the space utilization is reasonable. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is a structure schematic view of the high solid content water reducing agent polymerization reactor of the utility model.

[0022] Fig. 2 It is a sectional view of the high solid content water reducing agent polymerization reactor of the utility model.

[0023] Mark explanation:

[0024] 1, kettle body;11, feed pipe;12, discharge pipe;13, cylinder body;131, limit ring;14, cover body;141, through slot;15, containing groove;151, heat conducting ring;152, annular groove;16, drive cylinder;161, push ring;2, heating assembly;21, electromagnetic heating tube;3, cooling assembly;31, cooling water pipe;32, upper concentration pipe;321, first pipe body;33, lower concentration pipe;331, second pipe body;4, temperature measuring assembly;41, temperature measuring probe;5, stirring assembly;51, stirring rod;52, stirring blade;53, drive motor. Specific implementation

[0025] The application is further described in detail below in combination with all the drawings and specific embodiments.

[0026] Reference Figs. 1-2 The utility model provides a kind of high solid content water reducing agent polymerization reactor, including kettle body 1, heating assembly 2, cooling assembly 3, temperature measuring assembly 4 and stirring assembly 5.Kettle body 1 is vertically fixed, and heating assembly 2, cooling assembly 3, temperature measuring assembly 4 and stirring assembly 5 are all set in kettle body 1.Heating assembly 2 component is used to adjust the reaction temperature in kettle body 1, cooling assembly 3 is used to reduce the temperature in kettle body 1, temperature measuring assembly 4 is used for staff to be able to quickly detect the reaction temperature in kettle body 1, and stirring assembly 5 is used to stir raw materials to generate water reducing agent.

[0027] The upper end and lower end of kettle body 1 are respectively fixed with feed pipe 11 and discharge pipe 12 communicated with the inside of kettle body 1, to facilitate feeding and discharging, it needs to be explained that feed pipe 11 and discharge pipe 12 can be all provided with flow valve for controlling material flow, this is prior art, and the present application will not be shown and described again.

[0028] As an embodiment, kettle body 1 includes cylinder body 13 and cover body 14 with upper end open, feed pipe 11 is fixed to cover body 14, and cylinder body 13 and cover body 14 are detachably connected, to be able to replace the components in kettle body 1.

[0029] The stirring assembly 5 comprises a stirring rod 51 rotatably connected in the kettle body 1, a plurality of stirring blades 52 are fixed on the stirring rod 51, a driving motor 53 is fixed at the upper end of the kettle body 1, the output shaft of the driving motor 53 is arranged downward, and the output shaft of the driving motor 53 extends into the kettle body 1 and is fixed with the stirring rod 51, and the driving motor 53 can drive the stirring rod 51 to rotate to stir the materials in the kettle body 1.

[0030] A containing groove 15 is formed in the inner periphery of the kettle body 1, a heat conducting ring 151 is fixed in the containing groove 15, an annular groove 152 is formed between the outer side of the heat conducting ring 151 and the side wall of the containing groove 15, and the heating assembly 2 is arranged in the annular groove 152. The heating assembly 2 comprises an electromagnetic heating pipe 21, which is spirally arranged and fixed in the annular groove 152, and the inner periphery of the electromagnetic heating pipe 21 abuts against the outer periphery of the heat conducting ring 151. A through groove 141 is formed in the upper end of the kettle body 1 and communicates with the annular groove 152, and the electromagnetic heating pipe 21 can be electrified from outside through the annular groove 152. After being electrified, the electromagnetic heating pipe 21 can be quickly heated, and the heat can be quickly transferred to the inside of the kettle body 1 through the heat conducting ring 151, so that the reaction temperature can be quickly raised. Specifically, the containing groove 15 is formed in the cylinder body 13, so the heat conducting ring 151 and the electromagnetic heating pipe 21 are fixed in the inside of the cylinder body 13, and the through groove 141 is arranged on the cover body 14, so that the electromagnetic heating pipe 21 can be cleaned by disassembling the cover body 14. It should be noted that the electromagnetic heating pipe 21 can be fixed by using a common pipe holding structure, but is not limited thereto, as long as the spiral tank body can be fixed in the annular groove 152. This is a prior art, and will not be described here. Further, the heat conducting ring 151 can be made of a copper sheet, an aluminum sheet or other ring-shaped sheet material with good heat conductivity.

[0031] As an embodiment, a limiting ring 131 is further fixed in the cylinder body 13, the outer periphery of the limiting ring 131 abuts against the inner periphery of the heat conducting ring 151, so that the heat conducting ring 151 can be stably arranged in the kettle body 1, and the heat conducting ring 151 can be stably installed.

[0032] The cooling assembly 3 comprises cooling water pipes 31, an upper collecting pipe 32 and a lower collecting pipe 33. The cooling water pipes 31 are arranged in plurality, and the plurality of cooling water pipes 31 are vertically arranged and uniformly arranged along the circumferential direction of the cylinder body 13. Each cooling water pipe 31 has a gap with the heat conducting ring 151. The upper collecting pipe 32 is an annular pipe fixed at the upper end of the kettle body 1. The upper end of each cooling water pipe 31 extends to the upper end of the kettle body 1 and is fixed and communicated with the upper collecting pipe 32. The upper end of the upper collecting pipe 32 is fixed with a first pipe body 321. After water is introduced into the first pipe body 321, the water can enter the cooling water pipes through the upper collecting pipe 32.

[0033] The lower collecting pipe 33 is fixed inside the kettle body 1, the lower collecting pipe 33 is an annular pipe, the lower ends of each cooling water pipe are fixed and communicated with the lower collecting pipe 33, the lower end of the lower collecting pipe 33 is fixed with the second pipe body 331, the second pipe body 331 extends to the lower end of the kettle body 1. The first pipe body 321 and the second pipe body 331 can be communicated with the external cooling water circulation system, and the cooling water pipe can be filled with cold water, so that the kettle body 1 can be rapidly cooled.

[0034] The temperature adjusting assembly in the existing reaction kettle adopts a separate cooling water circulation system or an electric heater. If the cooling water circulation system is used, when the temperature is lowered, the low-temperature coolant can be used to rapidly lower the temperature in the kettle body 1, but it is difficult to rapidly increase the temperature when the temperature is increased. Similarly, the electric heating system can rapidly increase the power when the temperature is increased, but the temperature lowering effect brought by the power reduction is too poor when the temperature is lowered. The above-mentioned heating system is used alone, and the temperature increasing and decreasing speed is too slow within a certain time, and the temperature of the reaction kettle is also constantly changing with the stirring and reaction of the material, so the existing temperature adjusting system is too slow and cannot timely adapt to the process change. The reaction kettle in the application adopts the structure that the heating assembly 2 and the cooling assembly 3 work together, adopts the high-efficiency electromagnetic heating cooperating with the heat-conducting ring 151 to separately realize the heating function, rapidly heats the reaction in the kettle body 1, and adopts the cooling water pipe to separately realize the cooling function in the kettle body 1. When heating, the electromagnetic heating pipe 21 can be used for heating, when cooling, the power of the electromagnetic heating pipe 21 can be reduced, and low-temperature cooling water can be introduced, so that the temperature can be rapidly lowered, the reaction temperature in the reaction kettle can be rapidly adjusted, the rapid change of the process condition can be used, and the product quality can be maintained. Moreover, the heating assembly 2 and the cooling assembly 3 in the application do not substantially occupy the internal reaction space of the reaction kettle, the installation position is reasonable, and the space utilization is reasonable.

[0035] The temperature measuring assembly 4 comprises two temperature measuring probes 41 fixed at the upper position of the kettle body 1. Specifically, the temperature measuring probes 41 are fixed below the cover body 14, the two temperature measuring probes 41 are arranged along the radial direction of the kettle body 1, one is arranged at the inner side of the cylinder body 13, and the other is arranged at the outer side of the cylinder body 13, so that the temperature of multiple reaction positions in the reaction kettle can be measured.

[0036] As an embodiment, the stirring blades 52 are all located on the lower side of the temperature measuring probe 41, avoiding the interference of the temperature measuring probe 41 with the stirring blades 52. Further, the upper side of the kettle body 1 is fixed with two driving cylinders 16, the driving cylinders 16 are vertically arranged, the telescopic rods of the driving cylinders 16 extend into the cylinder body 13 and are fixed with a pushing ring 161, the axis of the pushing ring 161 is vertically arranged, the pushing ring 161 is an arc-shaped plate, and the setting position of the pushing ring 161 avoids the position of the temperature measuring probe 41. The movement of the driving cylinder 16 can drive the pushing ring 161 to move downward, avoiding the difficulty of the stirring blades 52 in the position to uniformly stir the materials, and improving the stirring efficiency.

[0037] The implementation principle of the utility model is: the reaction kettle in the application adopts the structure of heating assembly 2 and cooling assembly 3 working together, adopts the electromagnetic heating pipe 21 with fast heating speed to cooperate with the heat conducting ring 151 to realize the heating function alone, carries out fast heating to the reaction in the kettle body 1, adopts the cooling water pipe to realize the cooling function alone in the kettle body 1, carries out fast heating to the reaction in the kettle body 1, when heating, can only heat through the electromagnetic heating pipe 21, when cooling, can reduce the power of the electromagnetic heating pipe 21 on the one hand, and on the other hand, low-temperature cooling water is inputted, so that the temperature is rapidly reduced, the reaction temperature in the reaction kettle of the application can be rapidly regulated, the rapid change of process conditions can be adapted, and the quality of products can be maintained. And the heating assembly 2 and the cooling assembly 3 in the application do not substantially occupy the internal reaction space of the reaction kettle, the installation position is reasonable, and the space utilization is reasonable.

[0038] The above are preferred embodiments of the application, not limit the protection scope of the application, therefore: all equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A high solid content water reducing agent polymerization reactor, characterized in that, It includes a kettle body (1), a heating assembly (2) and a cooling assembly (3); The inner periphery of the kettle body (1) is provided with a containing groove (15), a heat conducting ring (151) is fixed in the containing groove (15), an annular groove (152) is formed between the heat conducting ring (151) and the containing groove (15), the heating assembly (2) comprises an electromagnetic heating pipe (21), the electromagnetic heating pipe (21) is fixed in the annular groove (152), and the electromagnetic heating pipe (21) abuts against the heat conducting ring (151). The cooling assembly (3) comprises cooling water pipes (31), a plurality of cooling water pipes (31) can be fixed in the kettle body (1), and gaps are arranged between the cooling water pipes (31) and the heat conducting ring (151).

2. The high solid content water reducing agent polymerization reactor of claim 1, wherein, It also comprises a temperature measuring assembly (4), the temperature measuring assembly (4) comprises two temperature measuring probes (41), the two temperature measuring probes (41) are fixed at upper end positions in the kettle body (1), and the two temperature measuring probes (41) are arranged along the radial direction of the kettle body (1).

3. The high solid content water reducing agent polymerization reactor of claim 1, wherein, The cooling assembly (3) further comprises an upper concentrating pipe (32) and a lower concentrating pipe (33), the upper concentrating pipe (32) is fixed to the upper end of the kettle body (1), the lower concentrating pipe (33) is fixed to the inside of the kettle body (1), the upper and lower ends of each cooling water pipe (31) are connected with the upper concentrating pipe (32) and the lower concentrating pipe (33) respectively, a first pipe body (321) is fixed to the upper concentrating pipe (32), a second pipe body (331) is fixed to the lower side of the lower concentrating pipe (33), and the second pipe body (331) extends out of the kettle body (1).

4. The high solid content water reducing agent polymerization reactor of claim 1, wherein, The kettle body (1) comprises a cylinder body (13) and a cover body (14); The upper end of the cylinder body (13) is provided with an opening, and the cylinder body (13) and the cover body (14) are detachably connected.

5. The high solid content water reducing agent polymerization reactor of claim 4, wherein, The cover body (14) is provided with a through groove (141), and the through groove (141) can communicate with the annular groove (152).

6. The high solid content water reducing agent polymerization reactor of claim 4, wherein, The cylinder body (13) is further fixed with a limiting ring (131), and the outer periphery of the limiting ring (131) can abut against the inner periphery of the heat conducting ring (151).

7. The high solid content water reducing agent polymerization reactor of claim 2, wherein, It also comprises a stirring assembly (5); The stirring assembly (5) comprises a stirring rod (51) rotatably connected in the kettle body (1), a plurality of stirring blades (52) are fixed to the stirring rod (51), and the stirring blades (52) are located on the lower side of the temperature measuring probes (41).

8. The high solid content water reducing agent polymerization reactor of claim 7, wherein, The upper end of the kettle body (1) is fixed with two drive cylinders (16), the two drive cylinders (16) are vertically arranged, and the lower side of the two drive cylinders (16) is fixed with a push ring (161), and the axis of the push ring (161) is vertically arranged.

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