Sodium carboxymethyl cellulose etherification synthesis reaction kettle

Abstract

The utility model relates to the technical field of reaction kettles, and discloses a sodium carboxymethyl cellulose etherification synthesis reaction kettle which comprises a kettle body, four groups of supporting rods are welded on the lower surface of the kettle body, a mounting frame is fixedly sleeved on the outer surface of the kettle body, a heating pipe is inserted in the mounting frame, and a discharge pipe is fixedly inserted at the bottom of the kettle body. According to the sodium carboxymethyl cellulose etherification synthesis reaction kettle, by arranging the heating pipes, the heating function of the device is achieved, sodium carboxymethyl cellulose ether in the kettle body can be heated, mixing of the sodium carboxymethyl cellulose ether is facilitated, the number of the heating pipes of the device is twelve, and the heating pipes are arranged on the outer surface of the kettle body at equal intervals; the sodium carboxymethyl cellulose ether is heated uniformly, local high temperature or low temperature in the kettle body can be avoided, the moistening degree of cellulose in alkali liquor is kept consistent, and the projection efficiency of the sodium carboxymethyl cellulose ether is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of reaction kettles, in particular to a sodium carboxymethyl cellulose etherification synthesis reaction kettle. Background Art

[0002] During the production of sodium carboxymethyl cellulose, its cotton fiber and ethanol solution of sodium hydroxide are subjected to alkalization reaction in an organic alkali reactor. The broad understanding of the reactor is a container for physical or chemical reactions. The heating, evaporation, cooling and low-speed mixing functions required by the process are realized through the structural design and parameter configuration of the container. The reactor is widely used in petroleum, chemical industry, rubber, pesticides, dyes, medicine, and food. It is a pressure vessel used to complete the process of vulcanization, nitration, hydrogenation, hydrocarbonization, polymerization, condensation, etc. The existing sodium carboxymethyl cellulose etherification synthesis reactor has a simple structure, poor and uneven heating effect, and there is a situation of local high temperature or low temperature. The swelling degree of cellulose in the alkali solution is closely related to the treatment temperature, and the reaction efficiency is low. At the same time, the existing sodium carboxymethyl cellulose etherification synthesis reactor does not have a turning structure, which is prone to stratification, affecting the reaction effect. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a sodium carboxymethyl cellulose etherification synthesis reaction kettle, which solves the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sodium carboxymethyl cellulose etherification synthesis reactor, comprising a reactor body, four groups of support rods are welded to the lower surface of the reactor body, a mounting frame is fixedly sleeved on the outer surface of the reactor body, a heating pipe is inserted inside the mounting frame, a discharge pipe is fixedly inserted at the bottom of the reactor body, a feed pipe is fixedly inserted at the top of the reactor body, a support is welded on the top of the outer surface of the reactor body, a support plate is welded on the upper surface of the support, a motor is fastened to the left side of the support plate by bolts, an exhaust pipe is fixedly inserted on the top of the reactor body, a rotating rod is connected to the output end of the motor, two groups of fan-shaped frames are symmetrically welded on the bottom of the rotating rod, a scraper is welded on the upper surface of the fan-shaped frame, a fixing plate is welded on the upper surface of the scraper, a first fan blade is welded on the outer surface of the rotating rod, and a second fan blade is welded on the inner wall of the fan-shaped frame.

[0005] Preferably, a limiting circular plate is welded to the bottom end of the support rod, and the diameter of the limiting circular plate is twice the diameter of the support rod.

[0006] Preferably, an annular groove is provided on the outer surface of the kettle body, and the thickness of the annular groove is half of the wall thickness of the kettle body.

[0007] Preferably, valves are mounted on the outer surfaces of the discharge pipe and the feed pipe.

[0008] Preferably, a closing cover is sleeved on the outer end of the exhaust pipe, and the exhaust pipe is threadedly connected to the closing cover.

[0009] Preferably, the outer surface of the scraper is an arc-shaped surface, and the curvature of the outer side surface of the scraper is the same as the curvature of the inner wall of the kettle body.

[0010] Preferably, the first blade and the second blade are both inclined at forty-five degrees.

[0011] Preferably, the inclination directions of the second fan blades on the left and right sides are opposite.

[0012] Compared with the prior art, the utility model provides a sodium carboxymethyl cellulose etherification synthesis reactor, which has the following beneficial effects:

[0013] 1. The sodium carboxymethyl cellulose etherification synthesis reactor realizes the heating function of the device by setting the heating tube, which can heat the sodium carboxymethyl cellulose ether in the reactor body to facilitate the mixing of the sodium carboxymethyl cellulose ether. The number of heating tubes in the device is twelve groups, and they are equidistantly arranged on the outer surface of the reactor body, so that the heating effect of the sodium carboxymethyl cellulose ether is relatively uniform, which can avoid the occurrence of local high or low temperature in the reactor body, keep the degree of moistening of cellulose in the alkali solution relatively consistent, and improve the projection efficiency of the sodium carboxymethyl cellulose ether.

[0014] 2. The sodium carboxymethyl cellulose etherification synthesis reaction kettle can protect the heating tube through the provided installation frame, prevent the external structure from damaging the heating tube, and avoid heat leakage, thereby improving the protection effect of the heating tube. The provided support, support plate, motor, rotating rod and first fan blade realize the stirring function of the device, and the sodium carboxymethyl cellulose ether can be stirred to facilitate the reaction of the sodium carboxymethyl cellulose ether. The provided fan-shaped frame and second fan blade can turn the sodium carboxymethyl cellulose ether at the bottom of the kettle body to avoid the stratification of the materials inside the kettle body, which is convenient for the reaction of the sodium carboxymethyl cellulose ether. The provided scraper and fixed plate can scrape the sodium carboxymethyl cellulose ether sticking to the inner wall of the kettle body, which is convenient for the full reaction of the materials in the kettle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the installation frame of the utility model;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the kettle body of the utility model;

[0018] Figure 4 It is a schematic diagram of the fan-shaped frame structure of the utility model.

[0019] In the figure: 1. kettle body; 2. support rod; 3. mounting frame; 4. heating tube; 5. discharge pipe; 6. feed pipe; 7. support; 8. support plate; 9. motor; 10. exhaust pipe; 11. rotating rod; 12. fan frame; 13. scraper; 14. fixing plate; 15. first fan blade; 16. second fan blade. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides a technical solution: a sodium carboxymethyl cellulose etherification synthesis reactor, comprising a reactor body 1, four groups of support rods 2 are welded on the lower surface of the reactor body 1, and a mounting frame 3 is fixedly sleeved on the outer surface of the reactor body 1. The mounting frame 3 is provided to protect the heating tube 4, to prevent the external structure from damaging the heating tube 4, and to avoid heat leakage, thereby improving the protection effect of the heating tube 4. A heating tube 4 is inserted inside the mounting frame 3. The heating function of the device is realized by the heating tube 4, and the sodium carboxymethyl cellulose ether in the reactor body 1 can be heated to facilitate the mixing of the sodium carboxymethyl cellulose ether. The number of the heating tubes 4 of the device is twelve groups, and they are equidistantly arranged on the outer surface of the reactor body 1, so that the heating effect of the sodium carboxymethyl cellulose ether is relatively uniform, and the occurrence of local high temperature or low temperature in the reactor body 1 can be avoided, so that the degree of moistening of cellulose in alkali solution is kept relatively consistent, thereby improving the projection efficiency of the sodium carboxymethyl cellulose ether. A discharge pipe 5 is fixedly inserted at the bottom of the reactor body 1, and a feed pipe 6 is fixedly inserted at the top of the reactor body 1.

[0022] In order to improve the practicality of the device in the utility model, a limiting circular plate is welded at the bottom end of the support rod 2. The diameter of the limiting circular plate is twice the diameter of the support rod 2, which can increase the supporting area of ​​the support rod 2 and make the kettle body 1 more stably placed on the ground. A circular groove is provided on the outer surface of the kettle body 1. The thickness of the circular groove is half of the wall thickness of the kettle body 1. The heating tube 4 and the heat emitted can more easily penetrate into the kettle body 1. The outer surfaces of the discharge pipe 5 and the feed pipe 6 are both provided with valves, which can be closed when the discharge pipe 5 and the feed pipe 6 are not in use.

[0023] See also Figure 1-4A support 7 is welded on the top of the outer surface of the kettle body 1, a support plate 8 is welded on the upper surface of the support 7, a motor 9 is fastened to the left side of the support plate 8 by bolts, an exhaust pipe 10 is fixedly inserted on the top of the kettle body 1, a rotating rod 11 is connected to the output end of the motor 9, two sets of fan-shaped frames 12 are symmetrically welded on the bottom end of the rotating rod 11, a scraper 13 is welded on the upper surface of the fan-shaped frame 12, and a fixed plate 14 is welded on the upper surface of the scraper 13. The sodium carboxymethyl cellulose ether adhering to the inner wall of the kettle body 1 can be scraped off by the scraper 13 and the fixed plate 14, which is convenient for the kettle body 1. The material in the kettle body 1 is fully reacted, the outer surface of the rotating rod 11 is welded with a first fan blade 15, and the stirring function of the device is realized by the support 7, the support plate 8, the motor 9, the rotating rod 11 and the first fan blade 15, and the sodium carboxymethyl cellulose ether can be stirred to facilitate the reaction of the sodium carboxymethyl cellulose ether. The inner wall of the fan-shaped frame 12 is welded with a second fan blade 16. The sodium carboxymethyl cellulose ether at the bottom of the kettle body 1 can be turned over by the fan-shaped frame 12 and the second fan blade 16, so as to avoid the stratification of the material inside the kettle body 1 and facilitate the reaction of the sodium carboxymethyl cellulose ether.

[0024] In order to improve the stability of the operation of the device in the utility model, a closing cover is installed on the outer end of the exhaust pipe 10, and the exhaust pipe 10 is threadedly connected to the closing cover and can be closed when the exhaust pipe 10 is not in use. The outer surface of the scraper 13 is an arc-shaped surface, and the curvature of the outer side surface of the scraper 13 is the same as the curvature of the inner wall of the kettle body 1, which is convenient for the scraper 13 to rotate along the inner wall of the kettle body 1. The first fan blade 15 and the second fan blade 16 are both inclined at forty-five degrees, which is convenient for the first fan blade 15 and the second fan blade 16 to mix the sodium carboxymethyl cellulose ether. The inclination directions of the second fan blades 16 on the left and right sides are opposite, which increases the amount of sodium carboxymethyl cellulose ether participating in the mixing at the bottom of the kettle body 1.

[0025] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0026] When in use, sodium carboxymethyl cellulose ether is added into the kettle body 1 through the feed pipe 6, the heating tube 4 is started and energized, the heat emitted by the heating tube 4 contacts the sodium carboxymethyl cellulose ether through the kettle body 1, the motor 9 is started, the output end of the motor 9 drives the rotating rod 11 to rotate, the rotating rod 11 drives the fan-shaped frame 12 to rotate, the fan-shaped frame 12 drives the second fan blade 16 to rotate, thereby stirring the sodium carboxymethyl cellulose ether at the bottom, the rotating rod 11 also drives the first fan blade 15 to rotate, so that the first fan blade 15 and the second fan blade 16 stir the sodium carboxymethyl cellulose ether at the same time, the rotating rod 11 drives the fixed plate 14 to rotate, the fixed plate 14 and the fan-shaped frame 12 simultaneously drive the scraper 13 to rotate to scrape the inner wall of the kettle body 1, and the sodium carboxymethyl cellulose ether stuck on the inner wall of the kettle body 1 is scraped off, and when the sodium carboxymethyl cellulose ether is mixed, the valve on the discharge pipe 5 is unscrewed, and the sodium carboxymethyl cellulose ether falls out through the discharge pipe 5.

[0027] In summary, the sodium carboxymethyl cellulose etherification synthesis reactor realizes the heating function of the device by setting the heating tube 4, and can heat the sodium carboxymethyl cellulose ether in the reactor body 1, so as to facilitate the mixing of the sodium carboxymethyl cellulose ether. The number of the heating tubes 4 of the device is twelve groups, and they are equidistantly arranged on the outer surface of the reactor body 1, so that the heating effect of the sodium carboxymethyl cellulose ether is relatively uniform, and the occurrence of local high or low temperature in the reactor body 1 can be avoided, and the degree of moistening of cellulose in the alkali solution is kept relatively consistent, thereby improving the projection efficiency of the sodium carboxymethyl cellulose ether.

[0028] The sodium carboxymethyl cellulose etherification synthesis reaction kettle can protect the heating tube 4 through the provided installation frame 3, prevent the external structure from damaging the heating tube 4, and avoid heat leakage, thereby improving the protection effect of the heating tube 4. The provided support 7, support plate 8, motor 9, rotating rod 11 and first fan blade 15 realize the stirring function of the device, and the sodium carboxymethyl cellulose ether can be stirred to facilitate the reaction of the sodium carboxymethyl cellulose ether. The provided fan-shaped frame 12 and second fan blade 16 can turn over the sodium carboxymethyl cellulose ether at the bottom of the kettle body 1 to avoid the stratification of the materials inside the kettle body 1, which is convenient for the reaction of the sodium carboxymethyl cellulose ether. The provided scraper 13 and fixed plate 14 can scrape off the sodium carboxymethyl cellulose ether adhering to the inner wall of the kettle body 1, so as to facilitate the full reaction of the materials in the kettle body 1.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sodium carboxymethyl cellulose etherification synthesis reactor, comprising a reactor body (1), characterized in that: Four groups of support rods (2) are welded to the lower surface of the kettle body (1); a mounting frame (3) is fixedly sleeved on the outer surface of the kettle body (1); a heating pipe (4) is inserted into the interior of the mounting frame (3); a discharge pipe (5) is fixedly inserted into the bottom of the kettle body (1); a feed pipe (6) is fixedly inserted into the top of the kettle body (1); a support (7) is welded to the top of the outer surface of the kettle body (1); a support plate (8) is welded to the upper surface of the support plate (7); and the left side of the support plate (8) is fastened with bolts. A motor (9) is connected, an exhaust pipe (10) is fixedly inserted at the top of the kettle body (1), the output end of the motor (9) is connected to a rotating rod (11), two groups of fan-shaped frames (12) are symmetrically welded to the bottom end of the rotating rod (11), a scraper (13) is welded to the upper surface of the fan-shaped frame (12), a fixing plate (14) is welded to the upper surface of the scraper (13), a first fan blade (15) is welded to the outer surface of the rotating rod (11), and a second fan blade (16) is welded to the inner wall of the fan-shaped frame (12).

2. A sodium carboxymethyl cellulose etherification synthesis reactor according to claim 1, characterized in that: A limiting circular plate is welded to the bottom end of the support rod (2), and the diameter of the limiting circular plate is twice the diameter of the support rod (2).

3. A sodium carboxymethyl cellulose etherification synthesis reactor according to claim 1, characterized in that: The outer surface of the kettle body (1) is provided with an annular groove, and the thickness of the annular groove is half the wall thickness of the kettle body (1).

4. A sodium carboxymethyl cellulose etherification synthesis reactor according to claim 1, characterized in that: The outer surfaces of the discharge pipe (5) and the feed pipe (6) are both provided with valves.

5. A sodium carboxymethyl cellulose etherification synthesis reactor according to claim 1, characterized in that: The outer end of the exhaust pipe (10) is sleeved with a closing cover, and the exhaust pipe (10) is threadedly connected to the closing cover.

6. A sodium carboxymethyl cellulose etherification synthesis reactor according to claim 1, characterized in that: The outer surface of the scraper (13) is an arc-shaped surface, and the curvature of the outer side surface of the scraper (13) is the same as the curvature of the inner wall of the kettle body (1).

7. A sodium carboxymethyl cellulose etherification synthesis reactor according to claim 1, characterized in that: The first fan blade (15) and the second fan blade (16) are both inclined at forty-five degrees.

8. A sodium carboxymethyl cellulose etherification synthesis reactor according to claim 1, characterized in that: The second fan blades (16) located on the left and right sides are inclined in opposite directions.

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