Self-cleaning stirred heat exchange reaction kettle

Abstract

The utility model discloses a self -cleaning agitated heat exchange reation kettle belongs to the field of reaction kettle, including the reaction kettle body, first motor, second motor, arc scraping wall device, annular cleaning device and heat exchange layer, first motor realizes the stirring of the reaction liquid in the reaction kettle body through the drive stirring mechanism, second motor can drive arc scraping wall device operation, realizes the cleaning of the reaction kettle body inner wall, annular cleaning device can effectively flush the reaction kettle body inner wall through the import of washing liquid, and the heat exchange layer evenly covers around the reaction kettle body, and the heat exchange of reaction liquid in the reaction kettle body is realized through the flow of heat exchange liquid. The utility model discloses in combination arc scraping wall device to the reaction kettle inner wall residue and annular cleaning device to the reaction kettle inner wall flush processing, can effectively clean the reaction kettle inner wall, need not help external force to realize better cleaning effect.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of reaction kettle, concretely relates to a self-cleaning stirring type heat exchange reaction kettle. BACKGROUND

[0002] As a kind of pressure vessel, reaction kettle is suitable for petroleum, chemical industry, rubber, pesticide, dye, medicine and food and other fields. With the industrialization development, reaction kettle becomes one of the popular research directions.

[0003] The heat exchange of reaction kettle usually adopts coil heat exchange in kettle body, in some chemical operation engineering, a large amount of heat exchange is needed to meet demand, and the existing enhanced heat exchange mode is to increase stirring and increase heat exchange area, but, due to the limitation of reaction kettle inner wall surface, the laying of heat exchange tube and stirring mechanism is difficult to effectively arrange, thereby affecting heat exchange effect.

[0004] The cleaning of traditional reaction kettle is very inconvenient, usually needs to open reaction kettle or add cleaning mechanism, cleans from outside to inside, often needs to consume a large amount of time, greatly reduces the working efficiency of reaction kettle, and also reduces its service life.

[0005] Therefore, a self-cleaning stirring type heat exchange reaction kettle is proposed, which can remove the unreacted residues in the reaction kettle while having good uniform heat exchange, and becomes a problem to be solved at present. UTILITY MODEL CONTENT

[0006] In order to solve the problems proposed in the above background art, the purpose of the utility model is to propose a self-cleaning stirring type heat exchange reaction kettle, which can effectively clean the inner wall of reaction kettle without external force to achieve good cleaning effect.

[0007] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0008] A self-cleaning stirring type heat exchange reaction kettle, comprising a reaction kettle body, a first motor, a second motor, a circular arc scraping wall device, an annular cleaning device and a heat exchange layer; the first motor drives the stirring mechanism to realize the stirring of reaction liquid in the reaction kettle body; the second motor can drive the circular arc scraping wall device to run, to realize the cleaning of the inner wall of the reaction kettle body; the annular cleaning device can effectively flush the inner wall of the reaction kettle body by introducing washing liquid; the heat exchange layer is uniformly coated around the reaction kettle body, and the heat exchange of reaction liquid in the reaction kettle body is realized by the flow of heat exchange liquid.

[0009] Further, the reaction kettle body comprises a support section, a feed inlet and a discharge outlet; the support section is arranged at the top end of the reaction kettle body; the feed inlet is arranged on the upper side of the reaction kettle body; and the discharge outlet is arranged at the bottom end of the reaction kettle body. Further, the reaction kettle body comprises a support section, a feed inlet and a discharge outlet; the support section is arranged at the top end of the reaction kettle body; the feed inlet is arranged on the upper side of the reaction kettle body; and the discharge outlet is arranged at the bottom end of the reaction kettle body.

[0010] Further, the output end of the first motor is provided with a paddle stirring shaft, and a paddle stirring blade is fixedly arranged at the end of the paddle stirring shaft.

[0011] Further, the output end of the second motor is fixedly connected with a rotary telescopic rod, and a supporting rod is arranged at the end of the rotary telescopic rod.

[0012] Further, circular arc wall scraping devices are arranged at the horizontal two ends of the supporting rod respectively, and the circular arc wall scraping devices are close to the inner wall of the reaction kettle body.

[0013] Further, the annular cleaning device is fixedly arranged at the top of the reaction kettle body, and the annular cleaning device is communicated with the outside of the reaction kettle body through a washing pipe.

[0014] Further, a plurality of groups of flow guide holes are arranged in the annular cleaning device at equal intervals, and a washing liquid outlet is arranged at the end of the flow guide hole.

[0015] Further, the heat exchange layer is uniformly coated on the outer surface of the reaction kettle body, and a heat exchange liquid inlet and a heat exchange liquid outlet are arranged at the two ends of the heat exchange layer respectively.

[0016] Compared with the prior art, the beneficial effects of the present application are as follows:

[0017] (1) The circular arc wall scraping device is combined to scrape and process the residues on the inner wall of the reaction kettle, and the annular cleaning device is combined to flush the inner wall of the reaction kettle, so that the inner wall of the reaction kettle can be effectively cleaned, and good cleaning effect can be achieved without the aid of external force.

[0018] (2) The limiting device is arranged on the paddle stirring shaft, which can effectively prevent the supporting rod and the circular arc wall scraping device from contacting the paddle stirring blade when they are extended, avoids the damage of the paddle stirring blade, and greatly improves the safety.

[0019] (3) The heat exchange layer uniformly coated on the outer surface of the reaction kettle body is used to exchange heat of the reaction kettle, which is beneficial to uniform heat exchange of the reaction liquid and improves the heat exchange efficiency. DRAWINGS

[0020] Fig. 1 is a schematic diagram of the overall structure of the present application;

[0021] Fig. 2 is a partial enlarged view of the inlet of the reaction kettle of the present application;

[0022] Fig. 3 is a schematic diagram of the internal structure of the present application.

[0023] The figure marks are: 1, first motor; 2, washing pipe; 3, washing pipe; 4, support section; 5, feed inlet; 6, arc-shaped wall scraping device; 7, heat exchange liquid inlet; 8, heat exchange layer; 9, discharge port; 10, paddle stirring blade; 11, limiting device; 12, paddle stirring shaft; 13, heat exchange liquid outlet; 14, support rod; 15, rotary telescopic rod; 16, annular cleaning device; 17, mounting table; 18, second motor; 1601, flow guide hole; 1602, washing liquid outlet. DETAILED DESCRIPTION

[0024] The utility model is further illustrated below in combination with specific embodiments, and the embodiments are implemented on the premise of the technical scheme of the utility model, and it should be understood that the embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model.

[0025] Please refer to the accompanying drawings Figs. 1-3 A self-cleaning stirring heat exchange reaction kettle comprises a reaction kettle body, a first motor 1, a second motor 18, an arc-shaped wall scraping device 6, an annular cleaning device 16 and a heat exchange layer 8. The first motor 1 drives the stirring mechanism to stir the reaction liquid in the reaction kettle body. The second motor 18 drives the arc-shaped wall scraping device 6 to clean the inner wall of the reaction kettle body. The annular cleaning device 16 can effectively flush the inner wall of the reaction kettle body by introducing washing liquid. The heat exchange layer 8 uniformly covers the reaction kettle body and exchanges heat with the reaction liquid in the reaction kettle body through the flow of heat exchange liquid.

[0026] The reaction kettle body comprises a support section 4, a feed inlet 5 and a discharge port 9. The support section 4 is arranged at the top end of the reaction kettle body, and a circular through hole is arranged at the center of the support section 4. The diameter of the circular through hole is greater than the diameter of the rotary telescopic rod 15 and the paddle stirring shaft 12. The feed inlet 5 is arranged on the upper side of the reaction kettle body, and the feed inlet 5 can be used to add materials to the reaction kettle body. The discharge port 9 is arranged at the bottom end of the reaction kettle body and is used to discharge the reaction liquid in the reaction kettle body.

[0027] The first motor 1 is arranged on the mounting table 17 at the top end of the reaction kettle body. The output end of the first motor 1 is provided with the paddle stirring shaft 12. The paddle stirring shaft 12 is fixedly provided with the paddle stirring blade 10 at the tail end. The first motor 1 controls the rotation of the paddle stirring shaft 12, thereby driving the rotation of the paddle stirring blade 10, so as to stir the reaction liquid in the reaction kettle body.

[0028] The second motor 18 is arranged on the mounting table 17 at the top end of the reaction kettle body and is located at the right side of the first motor 1, and the output end of the second motor 18 is fixedly connected with the rotary telescopic rod 15, the end of the rotary telescopic rod 15 is provided with the supporting rod 14, and the horizontal two ends of the supporting rod 14 are respectively provided with the arc-shaped wall scraping device 6 which is tightly attached to the inner wall of the reaction kettle body and realizes scraping of the residues on the inner wall of the reaction kettle under the driving of the second motor 18.

[0029] The annular cleaning device 16 is fixedly arranged at the top of the reaction kettle body and is located below the supporting section 4, the annular cleaning device 16 is communicated with the outside of the reaction kettle body through the washing pipe 3, a plurality of groups of flow guide holes 1601 are arranged in the annular cleaning device 16 at equal intervals, and the end of each group of flow guide holes 1601 is provided with a washing liquid outlet 1602; when the washing liquid enters the annular cleaning device 16 from the washing pipe 3, the washing liquid is rapidly diffused around and enters the washing liquid outlet 1602 through the flow guide holes 1601 under the joint action of pressure and gravity, and is uniformly sprayed on the inner wall of the reaction kettle body through the washing liquid outlet 1602, so that the inner wall of the reaction kettle body is cleaned.

[0030] The heat exchange layer 8 uniformly covers the outer surface of the reaction kettle body, and the two ends of the heat exchange layer 8 are respectively provided with the heat exchange liquid inlet 7 and the heat exchange liquid outlet 13; the heat exchange liquid enters the heat exchange layer 8 through the heat exchange liquid inlet 7 and is discharged from the heat exchange layer 8 through the heat exchange liquid outlet 13, so that the reaction liquid in the reaction kettle body is rapidly and uniformly heat-exchanged.

[0031] As an example of the utility model, the limiting device 11 is fixedly arranged on the paddle stirring shaft 12, and the height of the limiting device 11 is not lower than the horizontal height of the paddle stirring blade 10; the limiting device can prevent the rotary telescopic rod 15 from extending downward to contact the paddle stirring blade 10, thereby playing a protection role.

[0032] As an example of the utility model, the rotary telescopic rod 15 can be composed of a plurality of telescopic single rods, and the telescopic length between the single rods can be controlled through infrared remote control, so that the residues on the inner wall of the reaction kettle body at different heights can be cleaned.

[0033] The working principle of the utility model is as follows: during normal operation, the heat exchange liquid is continuously injected into the heat exchange layer 8 through the heat exchange liquid inlet 7, and when the heat exchange liquid overflows from the heat exchange liquid outlet 13, the first motor 1 is started, the power is transmitted to the paddle stirring shaft 12 through the output end of the first motor 1, so that the paddle stirring shaft 12 can rotate, and the rotating paddle stirring shaft 12 can drive the paddle stirring blade 10 at the end to rotate. At this time, the raw materials are slowly introduced into the reaction kettle body through the feeding port 5, and the reaction is carried out under the conditions of heat exchange and stirring until the reaction is completed, the motor 1 is turned off, the stirring is stopped, and the discharge port 9 is opened, so that the reaction liquid is discharged from the reaction kettle body through the discharge port 9.

[0034] With the reaction liquid discharging from the reaction kettle body, the injection of the heat exchange liquid is stopped, and after the residual heat exchange liquid in the heat exchange layer 8 is completely discharged, the washing liquid is injected from the washing pipe opening 2. The washing liquid enters the annular cleaning device 16 from the washing pipe 3, rapidly spreads around, fills the entire annular cleaning device, and under the joint action of pressure and gravity, enters the washing liquid outlet 1602 through the flow guide hole 1601, is uniformly sprayed onto the inner wall of the reaction kettle body from the washing liquid outlet 1602, and realizes the washing of the inner wall of the reaction kettle body. At this time, the second motor 18 is started, power is transmitted to the rotary telescopic rod 15 through the output end of the second motor 18, the rotary telescopic rod 15 drives the circular arc-shaped wall scraping device 6 to rotate tightly against the inner wall of the reaction kettle body through the supporting rod 14, and then the residual raw material residues on the inner wall of the reaction kettle body are scraped off. The scraped raw material residues fall into the bottom of the reaction kettle body under the washing of the washing liquid, are discharged from the discharge port 9, and realize the self-cleaning process of the reaction kettle.

[0035] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A self-cleaning stirred tank heat exchanger reactor characterized by, The utility model relates to a reaction kettle body, first motor (1), second motor (18), arc scraping device (6), annular cleaning device (16) and heat exchange layer (8), first motor (1) realizes the stirring of reaction liquid in reaction kettle body through the drive stirring mechanism, second motor (18) can drive arc scraping device (6) to run and realize the cleaning of the inner wall of reaction kettle body, annular cleaning device (16) can effectively flush the inner wall of reaction kettle body through the import of washing liquid, and heat exchange layer (8) is evenly coated around reaction kettle body and realizes the heat exchange of reaction liquid in reaction kettle body through the flow of heat exchange liquid.

2. The self-cleaning agitated heat exchange reaction kettle according to claim 1, characterized in that, The reaction kettle body includes a support section (4), a feed inlet (5), and a discharge outlet (9); the support section (4) is arranged at the top end of the reaction kettle body; the feed inlet (5) is arranged on the upper side of the reaction kettle body; and the discharge outlet (9) is arranged at the bottom end of the reaction kettle body.

3. The self-cleaning agitated heat exchange reaction kettle according to claim 1, characterized in that, The output end of the first motor (1) is provided with a paddle stirring shaft (12), and the paddle stirring shaft (12) is fixedly provided with a paddle stirring blade (10) at the end.

4. The self-cleaning agitated heat exchange reaction kettle according to claim 1, characterized in that, The output end of the second motor (18) is fixedly connected with a rotary telescopic rod (15), and the rotary telescopic rod (15) is provided with a support rod (14) at the end.

5. The self-cleaning agitated heat exchange reaction kettle according to claim 4, characterized in that, The horizontal ends of the support rod (14) are respectively provided with arc scraping devices (6), and the arc scraping devices (6) are in close contact with the inner wall of the reaction kettle body.

6. The self-cleaning agitated heat exchange reaction kettle according to claim 1, characterized in that, The annular cleaning device (16) is fixedly arranged at the top of the reaction kettle body, and the annular cleaning device (16) is in communication with the outside of the reaction kettle body through a washing pipe (3).

7. The self-cleaning agitated heat exchange reaction kettle according to claim 6, characterized in that, The annular cleaning device (16) is provided with a plurality of groups of flow guide holes (1601) at equal intervals, and the flow guide holes (1601) are provided with washing liquid outlets (1602) at the ends.

8. The self-cleaning agitated heat exchange reaction kettle according to claim 1, characterized in that, The heat exchange layer (8) is evenly coated on the outer surface of the reaction kettle body, and the heat exchange layer (8) is respectively provided with a heat exchange liquid inlet (7) and a heat exchange liquid outlet (13) at the two ends.

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