Efficient mixing reaction device for continuous production of naphthalene sulfonate dispersing agent

Abstract

The utility model discloses an efficient mixing reaction device for continuous production of a naphthalene sulfonate dispersing agent, which comprises a main body unit, the main body unit comprises a bottom plate, a reaction kettle and a cylinder are arranged at the upper end of the bottom plate, the reaction kettle is fixedly connected with a discharge bin, and a first connecting cover is arranged on the discharge bin. Harmful acid gas generated in the sulfonation reaction process is introduced into the rectangular box through the gas inlet nozzle and the first connecting pipe, particle impurities in the harmful acid gas are filtered by the filter plate, the harmful acid gas can be primarily adsorbed and purified by the activated carbon plate, and the primarily treated gas enters the gas outlet pipe through the second connecting pipe, so that the harmful acid gas is purified. Gas is introduced into the cylinder from the gas outlet holes in the gas outlet pipe and is in contact with the alkaline solution in the cylinder, the alkaline solution further purifies the gas, and the treated gas is discharged from the circular pipe, so that harmful acidic gas is prevented from being directly discharged into the air to be absorbed by a human body, and meanwhile, pollution to the environment is avoided.

Description

Technical Field

[0001] This utility model relates to the field of chemical production equipment technology, and in particular to a high-efficiency mixing reaction device for continuous production of naphthalene sulfonate dispersant. Background Technology

[0002] Naphthalene sulfonate dispersants are important industrial additives widely used in coatings, inks, plastics, rubber and other industries, playing a vital role in improving material dispersibility and enhancing product performance.

[0003] In the production process of naphthalene sulfonate dispersants, the sulfonation step involves the reaction of naphthalene with concentrated sulfuric acid. This reaction may release harmful acidic gases such as sulfur dioxide and sulfur trioxide. If these gases are released directly into the environment without treatment, they will not only seriously pollute the surrounding air, but also pose a direct threat to health if inhaled by the human body. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] Therefore, the purpose of this utility model is to provide a high-efficiency mixing reaction device for the continuous production of naphthalene sulfonate dispersants. It aims to solve the problem that "in the production process of naphthalene sulfonate dispersants, the sulfonation step involves the reaction of naphthalene with concentrated sulfuric acid. This reaction may release harmful acidic gases such as sulfur dioxide and sulfur trioxide. If these gases are directly emitted into the environment without treatment, they will not only seriously pollute the surrounding air, but also pose a direct threat to health if inhaled by the human body."

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0007] A high-efficiency mixing reaction apparatus for continuous production of naphthalene sulfonate dispersant, comprising:

[0008] The main unit includes a base plate, a reaction vessel and a cylinder are provided on the upper end of the base plate, a discharge hopper is fixedly connected to the reaction vessel, a first connecting cover is provided on the discharge hopper, an alkaline solution is provided in the cylinder, and a circular tube is fixedly connected to the upper end face of the cylinder.

[0009] The purification unit includes a rectangular box and an exhaust pipe disposed in a cylinder. A first connecting pipe is fixedly inserted through the upper end face of the rectangular box. The end of the first connecting pipe opposite to the rectangular box passes through the upper end face of the reactor and is fixedly connected to an air inlet. A filter plate and an activated carbon plate are disposed in the rectangular box. A second connecting pipe is fixedly inserted through the lower end face of the rectangular box. The end of the second connecting pipe opposite to the rectangular box passes through the upper end face of the reactor. A rotating structure is provided on both the second connecting pipe and the exhaust pipe. The exhaust pipe is provided with multiple exhaust holes.

[0010] As a preferred embodiment of the efficient mixing reaction device for continuous production of naphthalene sulfonate dispersant according to the present invention, the device further includes a mixing unit, which includes a servo motor. The servo motor is fixedly installed on the upper end face of the reaction vessel. The output end of the servo motor passes through the upper end face of the reaction vessel and is fixedly connected to a vertical rod. Multiple connecting blocks are fixedly connected to the vertical rod. Multiple connecting rods are symmetrically fixedly connected to the connecting blocks. Each connecting rod is fixedly connected to a stirring plate.

[0011] As a preferred embodiment of the efficient mixing reaction device for continuous production of naphthalene sulfonate dispersant according to the present invention, the rotating structure includes a fixed plate fixedly connected to the inner wall of a cylinder and a reduction motor fixedly mounted on the fixed plate. The output end of the reduction motor is fixedly connected to a rotating rod, the rotating rod is fixedly connected to a first gear, the first gear is meshed with a second gear, the second gear is fixedly connected to a rotating connecting member, the lower end of the rotating connecting member is fixedly connected to an outlet pipe, and the upper end of the rotating structure is rotatably connected to a second connecting pipe.

[0012] As a preferred embodiment of the efficient mixing reaction device for continuous production of naphthalene sulfonate dispersant according to the present invention, the rectangular box has an opening on its side wall, the filter plate and the activated carbon plate pass through the opening and are fixedly connected to a mounting plate, the mounting plate is mounted on the rectangular box by four symmetrically arranged mounting bolts, the mounting plate is fixedly connected to a handle, and two L-shaped plates are symmetrically fixedly connected to the side wall of the rectangular box, both of which are fixedly connected to the upper end face of the cylinder.

[0013] As a preferred embodiment of the high-efficiency mixing reaction device for continuous production of naphthalene sulfonate dispersant according to the present invention, wherein: a feed pipe is fixedly connected to the upper end face of the reaction vessel, and a second connecting cover is provided on the feed pipe.

[0014] As a preferred embodiment of the efficient mixing reaction device for continuous production of naphthalene sulfonate dispersant according to the present invention, the reaction vessel is fixedly connected to a first annular plate, a first support leg is fixedly connected to the first annular plate, the lower ends of the plurality of first support legs are fixedly connected to the upper end surface of the bottom plate, the cylinder is fixedly connected to a second annular plate, a plurality of second support legs are fixedly connected to the second annular plate, the lower ends of the plurality of second support legs are fixedly connected to the upper end surface of the bottom plate, and a drain pipe is provided on the reaction vessel.

[0015] The beneficial effects of this utility model are:

[0016] 1. The harmful acidic gas generated during the sulfonation reaction is introduced into the rectangular box through the inlet and the first connecting pipe. The filter plate filters out particulate impurities in the harmful acidic gas, and the activated carbon plate can perform preliminary adsorption and purification of the harmful acidic gas. The gas after preliminary treatment enters the outlet pipe through the second connecting pipe. The gas is introduced into the cylinder through the outlet hole on the outlet pipe. When it comes into contact with the alkaline solution in the cylinder, the alkaline solution further purifies the gas. The treated gas is discharged from the cylinder, which avoids the harmful acidic gas from being directly emitted into the air and absorbed by the human body, and at the same time avoids pollution to the environment.

[0017] 2. By starting the geared motor, the output end of the geared motor drives the first gear to rotate through the rotating rod. The first gear drives the rotating connecting part and the gas outlet pipe to rotate through the second gear, which can stir the alkaline solution, improve the contact between the harmful acidic gas and the alkaline solution, and improve the purification effect of the harmful acidic gas. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0019] Figure 1 This is a schematic diagram of the overall structure of a high-efficiency mixing reaction device for continuous production of naphthalene sulfonate dispersant proposed in this utility model;

[0020] Figure 2 This is a schematic diagram of the filter plate and activated carbon plate in a high-efficiency mixing reaction device for continuous production of naphthalene sulfonate dispersant proposed in this utility model;

[0021] Figure 3 This is a cross-sectional schematic diagram of the reaction vessel and cylinder in a high-efficiency mixing reaction device for continuous production of naphthalene sulfonate dispersant proposed in this utility model.

[0022] In the diagram: 100, main body unit; 101, base plate; 102, reactor; 103, cylinder; 104, discharge bin; 105, first connecting cover; 106, feed pipe; 107, second connecting cover; 108, circular tube; 109, first annular plate; 110, first support leg; 111, second annular plate; 112, second support leg;

[0023] 200. Purification unit; 201. Rectangular box; 202. First connecting pipe; 203. Filter plate; 204. Activated carbon plate; 205. Second connecting pipe; 206. Air outlet pipe; 207. Rotating structure; 207a. Gear motor; 207b. Rotating rod; 207c. First gear; 207d. Second gear; 207e. Rotating connector; 208. Mounting plate; 208-1. Mounting bolt; 208-2. Handle; 209. L-shaped plate;

[0024] 300. Mixing unit; 301. Servo motor; 302. Vertical rod; 303. Connecting block; 304. Connecting rod; 305. Stirring plate. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0028] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0029] Reference Figure 1-3 This utility model provides a high-efficiency mixing reaction device for continuous production of naphthalene sulfonate dispersant, comprising:

[0030] The main unit 100 includes a base plate 101. A reaction vessel 102 and a cylinder 103 are provided on the upper end of the base plate 101. A discharge bin 104 is fixedly connected to the reaction vessel 102. A first connecting cover 105 is provided on the discharge bin 104. An alkaline solution is provided in the cylinder 103. A circular tube 108 is fixedly connected to the upper end face of the cylinder 103.

[0031] The purification unit 200 includes a rectangular box 201 and an exhaust pipe 206 disposed in a cylinder 103. A first connecting pipe 202 is fixedly inserted through the upper end face of the rectangular box 201. The end of the first connecting pipe 202 facing away from the rectangular box 201 passes through the upper end face of the reactor 102 and is fixedly connected to an air inlet. A filter plate 203 and an activated carbon plate 204 are disposed in the rectangular box 201. A second connecting pipe 205 is fixedly inserted through the lower end face of the rectangular box 201. The end of the second connecting pipe 205 facing away from the rectangular box 201 passes through the upper end face of the reactor 102. A rotating structure 207 is jointly disposed on the second connecting pipe 205 and the exhaust pipe 206. Multiple exhaust ports are disposed on the exhaust pipe 206. Harmful acidic gases generated during the sulfonation reaction are introduced into the rectangular box 201 through the inlet and the first connecting pipe 202. The filter plate 203 filters particulate impurities in the harmful acidic gases, and the activated carbon plate 204 can perform preliminary adsorption and purification of the harmful acidic gases. The gas after preliminary treatment enters the outlet pipe 206 through the second connecting pipe 205. The gas is introduced into the cylinder 103 through the outlet hole on the outlet pipe 206 and comes into contact with the alkaline solution in the cylinder 103. The alkaline solution further purifies the gas. The treated gas is discharged from the circular pipe 108, which avoids the harmful acidic gases from being directly emitted into the air and absorbed by the human body, and at the same time avoids pollution to the environment.

[0032] The system also includes a mixing unit 300, which includes a servo motor 301. The servo motor 301 is fixedly installed on the upper end face of the reactor 102. The output end of the servo motor 301 passes through the upper end face of the reactor 102 and is fixedly connected to a vertical rod 302. Multiple connecting blocks 303 are fixedly connected to the vertical rod 302. Multiple connecting rods 304 are symmetrically fixedly connected to the connecting blocks 303. Each connecting rod 304 is fixedly connected to a stirring plate 305. The output end of the servo motor 301 drives the vertical rod 302 to rotate. The vertical rod 302 drives the stirring plate 305 to rotate through the connecting blocks 303 and the connecting rods 304. The stirring plate 305 fully mixes the raw materials and sulfonating agent to produce a sulfonation reaction.

[0033] Furthermore, the rotating structure 207 includes a fixed plate fixedly connected to the inner wall of the cylinder 103 and a reduction motor 207a fixedly mounted on the fixed plate. The output end of the reduction motor 207a is fixedly connected to a rotating rod 207b, the rotating rod 207b is fixedly connected to a first gear 207c, the first gear 207c is meshed with a second gear 207d, the second gear 207d is fixedly connected to a rotating connector 207e, the lower end of the rotating connector 207e is fixedly connected to the exhaust pipe 206, and the upper end of the rotating structure 207 is rotatably connected to a second connecting pipe 205. The output end of the reduction motor 207a drives the first gear 207c to rotate through the rotating rod 207b, and the first gear 207c drives the rotating connector 207e and the exhaust pipe 206 to rotate through the second gear 207d. This can stir the alkaline solution, increase the contact between the harmful acidic gas and the alkaline solution, and improve the purification effect of the harmful acidic gas.

[0034] Furthermore, an opening is provided on the side wall of the rectangular box 201. The filter plate 203 and the activated carbon plate 204 pass through the opening and are fixedly connected to the mounting plate 208. The mounting plate 208 is installed on the rectangular box 201 by four symmetrically arranged mounting bolts 208-1. A handle 208-2 is fixedly connected to the mounting plate 208. Two L-shaped plates 209 are symmetrically fixedly connected to the side wall of the rectangular box 201. Both L-shaped plates 209 are fixedly connected to the upper end face of the cylinder 103. The mounting bolts 208-1 can be removed, and the mounting plate 208, filter plate 203 and activated carbon plate 204 can be taken out through the handle 208-2.

[0035] Furthermore, a feed pipe 106 is fixedly connected to the upper end face of the reactor 102, and a second connecting cover 107 is provided on the feed pipe 106. When the second connecting cover 107 is removed, the raw materials and sulfonating agent are added to the reactor 102 from the feed pipe 106.

[0036] Furthermore, the reactor 102 is fixedly connected to a first annular plate 109, and a first support leg 110 is fixedly connected to the first annular plate 109. The lower ends of the multiple first support legs 110 are all fixedly connected to the upper end surface of the base plate 101. The cylinder 103 is fixedly connected to a second annular plate 111, and a multiple second support legs 112 are fixedly connected to the second annular plate 111. The lower ends of the multiple second support legs 112 are all fixedly connected to the upper end surface of the base plate 101. The reactor 102 is provided with a drain pipe, and the treated liquid is discharged from the drain pipe.

[0037] During use, the second connecting cover 107 is removed, and the raw materials and sulfonating agent are added to the reaction vessel 102 through the feed pipe 106. The servo motor 301 is started, and the output end of the servo motor 301 drives the vertical rod 302 to rotate. The vertical rod 302 drives the stirring plate 305 to rotate through the connecting block 303 and the connecting rod 304. The stirring plate 305 fully mixes the raw materials and sulfonating agent to produce a sulfonation reaction. The first connecting cover 105 is removed, and the reaction product is discharged from the discharge hopper 104. The harmful acidic gas generated during the sulfonation reaction is introduced into the rectangular box 201 through the air inlet and the first connecting pipe 202. The filter plate 203 filters particulate impurities in the harmful acidic gas, and the activated carbon plate 204 can perform preliminary adsorption and purification of the harmful acidic gas. The gas after preliminary treatment... The gas enters the outlet pipe 206 through the second connecting pipe 205. The gas is then introduced into the cylinder 103 through the outlet hole on the outlet pipe 206. At the point where the gas comes into contact with the alkaline solution in the cylinder 103, the alkaline solution further purifies the gas. The treated gas is then discharged from the cylinder 108, preventing harmful acidic gases from being directly released into the air and absorbed by the human body, and avoiding environmental pollution. The geared motor 207a is started. The output end of the geared motor 207a drives the first gear 207c to rotate through the rotating rod 207b. The first gear 207c drives the rotating connecting piece 207e and the outlet pipe 206 to rotate through the second gear 207d, thereby agitating the alkaline solution, increasing the contact between the harmful acidic gas and the alkaline solution, and improving the purification effect of the harmful acidic gas.

[0038] It is worth noting that the entire device is controlled by a controller. Since the controller is a common device and belongs to existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A high-efficiency mixing and reaction apparatus for continuous production of naphthalene sulfonate dispersant, characterized in that: include: The main unit (100) includes a base plate (101), a reaction vessel (102) and a cylinder (103) are provided at the upper end of the base plate (101), the reaction vessel (102) is fixedly connected to a discharge bin (104), a first connecting cover (105) is provided on the discharge bin (104), an alkaline solution is provided in the cylinder (103), and a circular tube (108) is fixedly connected to the upper end face of the cylinder (103). The purification unit (200) includes a rectangular box (201) and an exhaust pipe (206) disposed in a cylinder (103). A first connecting pipe (202) is fixedly inserted through the upper end face of the rectangular box (201). The end of the first connecting pipe (202) facing away from the rectangular box (201) passes through the upper end face of the reactor (102) and is fixedly connected to the air inlet. A filter plate (203) and an activated carbon plate (204) are disposed in the rectangular box (201). A second connecting pipe (205) is fixedly inserted through the lower end face of the rectangular box (201). The end of the second connecting pipe (205) facing away from the rectangular box (201) passes through the upper end face of the reactor (102). A rotating structure (207) is jointly disposed on the second connecting pipe (205) and the exhaust pipe (206). A plurality of exhaust holes are disposed on the exhaust pipe (206).

2. The high-efficiency mixing and reaction apparatus for continuous production of naphthalene sulfonate dispersant according to claim 1, characterized in that: It also includes a mixing unit (300), which includes a servo motor (301). The servo motor (301) is fixedly installed on the upper end face of the reactor (102). The output end of the servo motor (301) passes through the upper end face of the reactor (102) and is fixedly connected to a vertical rod (302). Multiple connecting blocks (303) are fixedly connected to the vertical rod (302). Multiple connecting rods (304) are symmetrically fixedly connected to the connecting blocks (303). Each connecting rod (304) is fixedly connected to a stirring plate (305).

3. The high-efficiency mixing and reaction apparatus for continuous production of naphthalene sulfonate dispersant according to claim 1, characterized in that: The rotating structure (207) includes a fixed plate fixedly connected to the inner wall of the cylinder (103) and a reduction motor (207a) fixedly mounted on the fixed plate. The output end of the reduction motor (207a) is fixedly connected to a rotating rod (207b). The rotating rod (207b) is fixedly connected to a first gear (207c). The first gear (207c) meshes with a second gear (207d). The second gear (207d) is fixedly connected to a rotating connector (207e). The lower end of the rotating connector (207e) is fixedly connected to the air outlet pipe (206). The upper end of the rotating structure (207) is rotatably connected to the second connecting pipe (205).

4. The high-efficiency mixing and reaction apparatus for continuous production of naphthalene sulfonate dispersant according to claim 1, characterized in that: The rectangular box (201) has an opening on its side wall. The filter plate (203) and the activated carbon plate (204) pass through the opening and are fixedly connected to the mounting plate (208). The mounting plate (208) is installed on the rectangular box (201) by four symmetrically arranged mounting bolts (208-1). A handle (208-2) is fixedly connected to the mounting plate (208). Two L-shaped plates (209) are symmetrically fixedly connected to the side wall of the rectangular box (201). Both L-shaped plates (209) are fixedly connected to the upper end face of the cylinder (103).

5. The high-efficiency mixing and reaction apparatus for continuous production of naphthalene sulfonate dispersant according to claim 1, characterized in that: The upper end face of the reactor (102) is fixedly connected to a feed pipe (106), and a second connecting cover (107) is provided on the feed pipe (106).

6. The high-efficiency mixing and reaction apparatus for continuous production of naphthalene sulfonate dispersant according to claim 1, characterized in that: The reactor (102) is fixedly connected to a first annular plate (109), and a first support leg (110) is fixedly connected to the first annular plate (109). The lower ends of the plurality of first support legs (110) are fixedly connected to the upper end surface of the base plate (101). The cylinder (103) is fixedly connected to a second annular plate (111), and a plurality of second support legs (112) are fixedly connected to the second annular plate (111). The lower ends of the plurality of second support legs (112) are fixedly connected to the upper end surface of the base plate (101). The reactor (102) is provided with a drain pipe.

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