Plasticizer phosphate synthesis temperature control structure

By using components such as a stirring mechanism and a baffle plate in the phosphate ester synthesis process, the problem of large temperature difference inside the reactor was solved, and the stirring efficiency was improved.

CN223732756UActive Publication Date: 2025-12-30NANJING ZHENXING CHEM IND AUXILIARIES CO LTD
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Patent Information

Application Number
CN202520008459.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-12-30
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

In existing phosphate ester synthesis processes, the temperature difference between different areas within the reactor is significant, resulting in low stirring efficiency.

Method used

A temperature control structure for the synthesis of plasticizer phosphate esters is adopted, including a stirring mechanism, a lifting component, a rotating component, and a temperature control tube. Through the cooperation of multiple stirring plates and guide plates, the uniformity of the temperature inside the reactor is achieved.

Benefits of technology

It effectively eliminates temperature differences in different areas of the reactor cavity, improving the efficiency of raw material stirring and synthesis.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plasticizer phosphate synthesis temperature control structure, and relates to the technical field of phosphate synthesis, the plasticizer phosphate synthesis temperature control structure comprises a reaction kettle and a top plate, the top end of the top plate is provided with a motor, the output end of the motor is fixedly connected with a transmission rod, the transmission rod penetrates through the top plate to the inside of the reaction kettle, and the transmission rod is rotatably connected with the top plate. A plurality of guide plates are arranged on the outer side of the transmission rod in the circumferential direction at equal intervals, a plurality of stirring plates are vertically and fixedly connected to the outer walls of the guide plates at equal intervals, the stirring plates are fixedly connected with the transmission rod, and a stirring mechanism used for enabling raw materials to be in an overall constant-temperature state is arranged on the transmission rod. According to the reaction kettle, due to the arrangement of the stirring mechanism, raw materials can be secondarily stirred, the temperature in the inner cavity of the reaction kettle is basically consistent through stirring, the situation that the temperature difference between different areas in the inner cavity of the reaction kettle is too large is effectively avoided, and therefore the stirring synthesis efficiency of the raw materials can be further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of phosphate ester synthesis, and specifically relates to a plasticizer phosphate ester synthesis temperature control structure. BACKGROUND

[0002] Plasticizer, also known as plasticizing agent, is an important industrial aid for increasing the plasticity and softness of high molecular materials, which mainly plays a role through external plasticization or internal plasticization. Phosphate ester is a multifunctional plasticizer with good compatibility and flame retardant performance.

[0003] The existing phosphate ester is usually synthesized by stirring in a reaction kettle and then transported to subsequent equipment for subsequent processing operation. During the stirring process of the raw material of the phosphate ester, the temperature needs to be controlled by a temperature control pipe to maintain the required temperature for the synthesis of the raw material. However, during the stirring process, the distance between different regions in the reaction kettle and the temperature control pipe is not the same, resulting in inconsistent heating of the raw material in different regions. Therefore, the temperature difference between different regions in the reaction kettle is large within a certain period of time. In order to avoid the case that the temperature difference between different regions in the inner cavity of the reaction kettle is too large and further improve the efficiency of the stirring and synthesis of the raw material, based on this, the present application provides a plasticizer phosphate ester synthesis temperature control structure, which can eliminate the disadvantages of the existing device. SUMMARY

[0004] The utility model discloses a plasticizer phosphate ester synthesis temperature control structure, which can solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A plasticizer phosphate ester synthesis temperature control structure, comprising a reaction kettle, a top plate installed at the top end of the reaction kettle, a motor installed at the top end of the top plate, a transmission rod fixedly connected to the output end of the motor, the transmission rod penetrating through the top plate to the inside of the reaction kettle, the transmission rod being rotatably connected to the top plate, a plurality of guide plates being circumferentially and equidistantly arranged on the outer side of the transmission rod, a plurality of stirring plates being vertically and equidistantly fixedly connected to the outer wall of each guide plate, and each stirring plate being fixedly connected to the transmission rod, and a stirring mechanism for maintaining the raw material in a whole constant temperature state being arranged on the transmission rod.

[0007] On the basis of the above-mentioned technical scheme, the utility model also provides the following optional technical schemes:

[0008] In an optional scheme, the stirring mechanism comprises:

[0009] A transmission assembly arranged on the transmission rod;

[0010] The transmission assembly comprises a gear fixed on the outer wall of the transmission rod, the gear is located in the interior of the top plate, the outer wall of the gear is symmetrically connected with two tooth rings, and the top plate is rotationally connected with the two tooth rings through the ball bearings.

[0011] The top plate is provided with a lifting assembly.

[0012] In an alternative, the lifting assembly comprises two lifting slide rods symmetrically arranged at the top end of the top plate, both the two lifting slide rods penetrate the top plate to the interior of the reaction kettle, both the two lifting slide rods are slidingly connected with the top plate, and both the two tooth rings are slidingly sleeved on the outer walls of the two lifting slide rods.

[0013] The lifting slide rod is provided with a guide assembly.

[0014] In an alternative, the guide assembly comprises two guide sliding grooves symmetrically arranged on the outer wall of the lifting slide rod, the two ends of the two guide sliding grooves are penetrated to each other, the inner wall of the tooth ring is integrally formed with a guide sliding block, the guide sliding block is matched with the inner walls of the two guide sliding grooves, and the guide sliding block is slidingly connected with the two guide sliding grooves.

[0015] The reaction kettle is provided with a connecting assembly.

[0016] In an alternative, the connecting assembly comprises a lifting ring arranged in the interior of the reaction kettle, the lifting ring is located outside the plurality of guide plates, the lifting ring is located at the bottom end of the two lifting slide rods, the lifting ring is fixedly connected with the two lifting slide rods, the bottom end of the lifting ring is fixedly connected with a limiting ring, and the vertical cross section of the limiting ring is in the shape of T.

[0017] The reaction kettle is provided with a rotating assembly.

[0018] In an alternative, the rotating assembly comprises two transmission rotating rings vertically arranged in the interior of the reaction kettle, one transmission rotating ring is slidingly sleeved on the outer wall of the limiting ring, a plurality of guide plates are equidistantly arranged between the two transmission rotating rings in the circumferential direction, and the plurality of guide plates are fixedly connected with the two transmission rotating rings.

[0019] The transmission rotating ring is provided with a sliding assembly.

[0020] In an alternative, the sliding assembly comprises a plurality of sliding sleeve blocks equidistantly fixedly connected on the inner wall of the transmission rotating ring, and the plurality of sliding sleeve blocks are slidingly sleeved on the outer walls of the plurality of guide plates.

[0021] In an alternative: the reaction kettle is provided with a temperature control tube, the temperature control tube is electrically connected with an external controller through wires, the bottom end of the reaction kettle is fixedly connected with a discharge port fixedly connected with a pipeline, the outer wall of the reaction kettle is fixedly connected with a feeding port fixedly connected with a pipeline, the inner cavities of the feeding port and the discharge port are mutually through with the inner cavity of the reaction kettle, and the interiors of the feeding port and the discharge port are provided with electric valves, and the electric valves are electrically connected with the external controller.

[0022] Compared with the prior art, the utility model has the beneficial effects as follows:

[0023] The utility model discloses a stirring mechanism can secondary stirring to raw material, and through the stirring makes the temperature in the inner chamber of reaction kettle basically identical, effectively avoids the situation that the temperature difference between different areas in the inner chamber of reaction kettle is too big, thereby can further improve the efficiency of raw material stirring synthesis. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the structural schematic diagram of the utility model.

[0025] Figure 2 It is the internal structure schematic diagram of the reaction kettle of the utility model.

[0026] Figure 3 It is the structure schematic diagram of the stirring mechanism of the utility model.

[0027] Figure 4 It is the structure schematic diagram of the utility model's Figure 3 The partial close -up structure schematic diagram of A in the utility model.

[0028] BRIEF DESCRIPTION OF DRAWINGS 1, reaction kettle;201, gear ring;202, guide chute;203, lifting slide bar;204, gear;205, lifting ring;206, transmission swivel ring;207, sliding sleeve block;208, limit ring;209, deflector;2010, guide slider;3, temperature control tube;4, top plate;5, motor;6, transmission rod;7, stirring plate;8, guide plate. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following is combined with the drawings and example, and the utility model is further detailed.

[0030] In one embodiment, as Figures 1-4As shown, a plasticizer phosphate ester synthesis temperature control structure includes a reaction kettle 1, a top plate 4 is installed at the top end of the reaction kettle 1, a motor 5 is installed at the top end of the top plate 4, a transmission rod 6 is fixedly connected to the output end of the motor 5, the transmission rod 6 penetrates through the top plate 4 to the inside of the reaction kettle 1, the transmission rod 6 is rotatably connected with the top plate 4, a plurality of guide plates 8 are circumferentially and equidistantly arranged on the outer side of the transmission rod 6, a plurality of stirring plates 7 are vertically and equidistantly fixedly connected to the outer walls of the plurality of guide plates 8, the plurality of stirring plates 7 are fixedly connected with the transmission rod 6, a temperature control pipe 3 is installed on the reaction kettle 1 and electrically connected with an external controller through wires, a discharge port fixedly connected with a pipeline is fixedly connected to the bottom end of the reaction kettle 1, a feeding port fixedly connected with a pipeline is fixedly connected to the outer wall of the reaction kettle 1, the inner cavities of the feeding port and the discharge port are mutually penetrated with the inner cavity of the reaction kettle 1, electric valves are installed in the interiors of the feeding port and the discharge port, the electric valves are electrically connected with the external controller, and a stirring mechanism for keeping the raw materials in a whole constant temperature state is arranged on the transmission rod 6.

[0031] The stirring mechanism comprises a transmission assembly arranged on the transmission rod 6.

[0032] The transmission assembly comprises a gear 204 fixed on the outer wall of the transmission rod 6, the gear 204 is located in the interior of the top plate 4, two tooth rings 201 are symmetrically and meshingly connected to the outer wall of the gear 204, and the top plate 4 is rotatably connected with the two tooth rings 201 through balls.

[0033] The top plate 4 is provided with a lifting assembly.

[0034] In use, the electric valve in the interior of the feeding port is opened by the external controller to enable the pipeline to deliver the raw materials into the inner cavity of the reaction kettle 1, when the delivery of the raw materials is completed, the electric valve is closed by the external controller, the temperature control pipe 3 is started to heat the raw materials, and the motor 5 is started to drive the transmission rod 6 to rotate, at this time, the plurality of guide plates 8 stir the raw materials under the driving of the plurality of stirring plates 7 and the transmission rod 6.

[0035] In this process, the stirring mechanism effectively improves the stirring efficiency of the raw materials, and the temperature in the inner cavity of the reaction kettle 1 is basically consistent through stirring, so that the case that the temperature difference between different regions in the inner cavity of the reaction kettle 1 is too large is effectively avoided, thereby further improving the efficiency of the raw material stirring synthesis.

[0036] After the stirring is completed, the electric valve in the interior of the discharge port is started by the external controller, so that the synthesized raw materials can be delivered to subsequent equipment for subsequent processing operation.

[0037] In one embodiment, as Figures 1-4As shown, the lifting assembly comprises two lifting slide rods 203 symmetrically arranged at the top end of the top plate 4, both of which penetrate the top plate 4 to the inside of the reaction kettle 1 and are in sliding connection with the top plate 4, and two tooth rings 201 are respectively slidably sleeved on the outer walls of the two lifting slide rods 203;

[0038] The lifting slide rod 203 is provided with a guide assembly;

[0039] The guide assembly comprises two guide sliding grooves 202 symmetrically arranged on the outer wall of the lifting slide rod 203, the two ends of the two guide sliding grooves 202 are mutually penetrated, the inner wall of the tooth ring 201 is integrally formed with a guide sliding block 2010, the guide sliding block 2010 is in close contact with the inner walls of the two guide sliding grooves 202, and the guide sliding block 2010 is in sliding connection with the two guide sliding grooves 202. Through the cooperation of the lifting assembly and the guide assembly, the two lifting slide rods 203 can reciprocate along the inner wall of the top plate 4;

[0040] The reaction kettle 1 is provided with a connecting assembly;

[0041] In one embodiment, as shown in the figure, Figures 2-3 The connecting assembly comprises a lifting ring 205 arranged in the inside of the reaction kettle 1, the lifting ring 205 is located outside the plurality of guide plates 8, the lifting ring 205 is located at the bottom end of the two lifting slide rods 203, the lifting ring 205 is in fixed connection with the two lifting slide rods 203, the bottom end of the lifting ring 205 is in fixed connection with a limiting ring 208, and the vertical cross-section of the limiting ring 208 is in T-shaped appearance;

[0042] The reaction kettle 1 is provided with a rotating assembly;

[0043] The rotating assembly comprises two transmission rotating rings 206 vertically arranged in the inside of the reaction kettle 1, one transmission rotating ring 206 is slidably sleeved on the outer wall of the limiting ring 208, a plurality of guide plates 209 are equidistantly arranged between the two transmission rotating rings 206 in the circumferential direction, and the plurality of guide plates 209 are in fixed connection with the two transmission rotating rings 206;

[0044] The transmission rotating ring 206 is provided with a sliding assembly;

[0045] The sliding assembly comprises a plurality of sliding sleeve blocks 207 equidistantly fixedly connected on the inner wall of the transmission rotating ring 206, and the plurality of sliding sleeve blocks 207 are respectively slidably sleeved on the outer walls of the plurality of guide plates 8. Through the cooperation of the connecting assembly, the rotating assembly and the sliding assembly, the plurality of guide plates 209 can secondary stir the raw materials while reciprocating in the inner cavity of the reaction kettle 1, so as to make the temperature in the inner cavity of the reaction kettle 1 basically consistent and effectively avoid the case of excessive temperature difference.

[0046] The above embodiment discloses a temperature control structure for synthesizing plasticizer phosphate, wherein when in use, the electric valve inside the feeding port is opened by the external controller, so that the pipeline can deliver the raw materials into the inner cavity of the reaction kettle 1; when the delivery of the raw materials is completed, the electric valve is closed by the external controller, and the temperature control tube 3 is started to heat the raw materials, and the motor 5 drives the transmission rod 6 to rotate, and the plurality of guide plates 8 are driven by the plurality of stirring plates 7 to stir the raw materials;

[0047] In this process, the two transmission rotating rings 206 drive the plurality of guide plates 209 to rotate by the plurality of sliding sleeve blocks 207 driven by the plurality of guide plates 8; at this time, one transmission rotating ring 206 slides along the outer wall of the limiting ring 208, so that the plurality of guide plates 209 can be used for secondary stirring, which effectively improves the stirring efficiency of the raw materials, and the temperature in a certain area in the inner cavity of the reaction kettle 1 is uniform through stirring;

[0048] Meanwhile, the gear 204 drives the two tooth rings 201 to rotate synchronously by meshing under the driving of the transmission rod 6; at this time, the guide sliding block 2010 extrudes the inner wall of one guide sliding groove 202 under the driving of the tooth ring 201; at this time, the two lifting sliding rods 203 slide upward along the inner wall of the top plate 4 under the extrusion of the guide sliding block 2010 through the guide sliding groove 202; the limiting ring 208 drives one transmission rotating ring 206 to rise synchronously under the driving of the two lifting sliding rods 203 through the lifting ring 205; at this time, the other transmission rotating ring 206 moves synchronously under the driving of one transmission rotating ring 206 through the plurality of guide plates 209; when the guide sliding block 2010 contacts the inner wall of the other guide sliding groove 202, the lifting sliding rod 203 descends along the inner wall of the top plate 4 at this time, so that the lifting ring 205 reciprocatingly displaces under the driving of the two lifting sliding rods 203, so that the temperature in the inner cavity of the reaction kettle 1 is basically uniform, thereby effectively avoiding the case that the temperature difference between different areas in the inner cavity of the reaction kettle 1 is too large, so that the efficiency of the raw material stirring synthesis can be further improved;

[0049] When the stirring is completed, the electric valve inside the discharging port is started by the external controller, so that the synthesized raw materials can be delivered to the subsequent equipment for subsequent processing operation.

[0050] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A temperature-controlled structure for the synthesis of plasticizer phosphate esters, comprising a reaction vessel (1), a top plate (4) installed at the top of the reaction vessel (1), a motor (5) installed at the top of the top plate (4), a transmission rod (6) fixedly connected to the output end of the motor (5), the transmission rod (6) penetrating the top plate (4) to the interior of the reaction vessel (1), the transmission rod (6) being rotatably connected to the top plate (4), a plurality of guide plates (8) being equidistantly arranged on the outer circumference of the transmission rod (6), a plurality of stirring plates (7) being vertically and equidistantly fixedly connected to the outer walls of the plurality of guide plates (8), and the plurality of stirring plates (7) being fixedly connected to the transmission rod (6), characterized in that, The transmission rod (6) is provided with a stirring mechanism for keeping the raw materials in a whole constant temperature state.

2. The temperature control structure for plasticizer phosphate synthesis according to claim 1, wherein The stirring mechanism comprises a transmission assembly arranged on the transmission rod (6); The transmission assembly comprises a gear (204) fixed on the outer wall of the transmission rod (6), the gear (204) is located in the inside of the top plate (4), the outer wall of the gear (204) is symmetrically connected with two tooth rings (201), and the top plate (4) is rotatably connected with the two tooth rings (201) through balls. The top plate (4) is provided with a lifting assembly.

3. The temperature control structure for plasticizer phosphate synthesis according to claim 2, wherein The lifting assembly comprises two lifting slide rods (203) symmetrically arranged at the top end of the top plate (4), both of the two lifting slide rods (203) penetrate the top plate (4) to the inside of the reaction kettle (1), both of the two lifting slide rods (203) are slidably connected with the top plate (4), and both of the two tooth rings (201) are slidably sleeved on the outer walls of the two lifting slide rods (203). The lifting slide rod (203) is provided with a guide assembly.

4. The temperature control structure for plasticizer phosphate synthesis according to claim 3, wherein The guide assembly comprises two guide sliding grooves (202) symmetrically arranged on the outer wall of the lifting slide rod (203), the two ends of the two guide sliding grooves (202) are penetrated to each other, the inner wall of the tooth ring (201) is integrally formed with a guide sliding block (2010), the guide sliding block (2010) is matched with the inner walls of the two guide sliding grooves (202), and the guide sliding block (2010) is slidably connected with the two guide sliding grooves (202). The reaction kettle (1) is provided with a connecting assembly.

5. The temperature control structure for plasticizer phosphate synthesis according to claim 4, wherein The connecting assembly comprises a lifting ring (205) arranged in the inside of the reaction kettle (1), the lifting ring (205) is located outside the plurality of guide plates (8), the lifting ring (205) is located at the bottom end of the two lifting slide rods (203), the lifting ring (205) is fixedly connected with the two lifting slide rods (203), the bottom end of the lifting ring (205) is fixedly connected with a limiting ring (208), and the vertical cross-section of the limiting ring (208) is in the shape of T. The reaction kettle (1) is provided with a rotating assembly.

6. The temperature control structure for plasticizer phosphate synthesis according to claim 5, wherein The rotating assembly comprises two transmission rotating rings (206) vertically arranged in the inside of the reaction kettle (1), one of the two transmission rotating rings (206) is slidably sleeved on the outer wall of the limiting ring (208), a plurality of guide plates (209) are equidistantly arranged between the two transmission rotating rings (206) in the circumferential direction, and the plurality of guide plates (209) are fixedly connected with the two transmission rotating rings (206). The transmission rotating ring (206) is provided with a sliding assembly.

7. The temperature control structure for plasticizer phosphate synthesis according to claim 6, wherein The sliding assembly comprises a plurality of sliding sleeve blocks (207) equidistantly fixedly connected on the inner wall of the transmission rotating ring (206), and the plurality of sliding sleeve blocks (207) are slidably sleeved on the outer walls of the plurality of guide plates (8).

8. The temperature control structure for plasticizer phosphate synthesis according to claim 1, wherein The reaction kettle (1) is provided with a temperature control pipe (3), the temperature control pipe (3) is electrically connected with external controller through wire, the bottom end of the reaction kettle (1) is fixedly connected with a discharge port fixedly connected with pipeline, the outer wall of the reaction kettle (1) is fixedly connected with a feeding port fixedly connected with pipeline, the inner cavities of the feeding port and the discharge port are mutually through with the inner cavity of the reaction kettle (1), and the inside of the feeding port and the discharge port is provided with an electric valve, and the electric valve is electrically connected with external controller.