Sodium carbonate preparation equipment with tail gas treatment function

By introducing a stirring rod and a material change assembly into the soda ash preparation equipment, the problem of slow reaction caused by acidic substance accumulation is solved, and the exhaust gas treatment efficiency is improved.

CN223213835UActive Publication Date: 2025-08-12JIANGSU DEBANG XINGHUA CHEM IND CO LTD
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Patent Information

Application Number
CN202422476369.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-08-12
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

During purification of existing soda ash preparation equipment, acidic substances accumulate in the filter plate, resulting in slow acid-base neutralization reaction, and insufficient reaction of some acidic substances, affecting the exhaust gas treatment efficiency.

Method used

A soda ash preparation equipment including uniform components and material replacement components is designed. The acidic substances in the purification box are stirred through a motor-driven agitator rod to promote the full reaction between the exhaust gas and the material, and the material replacement components are conveniently replaced, thereby improving the processing efficiency.

Benefits of technology

The acid-base neutralization reaction speed is accelerated, ensuring that the alkaline residues in the exhaust gas are in full contact with the acidic substances, and improving the efficiency of exhaust gas treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses sodium carbonate preparation equipment with a tail gas treatment function, which comprises a main body assembly, a tail gas treatment device and a tail gas treatment device, and is characterized in that the main body assembly comprises a fixed frame and a top plate; the homogenizing assembly comprises a motor, a rotating shaft, a driving wheel, a supporting plate, a driven wheel, a rotating rod and a stirring rod; the motor is fixed to the middle of the top of the top plate, the output end of the motor extends into the fixing frame, the rotating shaft is connected to the output end of the motor, the driving wheel is connected to the lowermost end of the rotating shaft through a screw, the supporting plate is welded to the middle of the lower surface of the top plate, the rotating rod is rotationally connected to the lower end of the supporting plate, the driven wheel is connected to the rotating rod through a screw, and the stirring rod is fixed to one end of the rotating rod. And the driving wheel is meshed with the driven wheel. The utility model relates to a soda ash preparation device, and aims to solve the problems that the existing soda ash preparation device reacts with acidic substances in a filter plate to remove residual alkaline substances during purification, but the acidic substances are accumulated in the filter plate, so that the acid-base neutralization reaction is slow, part of acidic substances are not fully reacted, and the tail gas treatment efficiency is influenced.
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Description

Technical Field

[0001] The utility model relates to the technical field of soda ash preparation, in particular to soda ash preparation equipment with tail gas treatment function. Background Art

[0002] Soda ash is an inorganic compound, chemically known as sodium carbonate. It typically appears as a white, odorless powder or granules and is readily soluble in water and glycerin. Soda ash is primarily used in a variety of industries, including glass manufacturing, chemicals, light industry, papermaking, textiles, and alumina production.

[0003] A Chinese patent application, publication number CN 219209037 U, describes a heavy soda ash production device. The device comprises a motor, feed pipe, stirring rod, reactor, cooling jacket, auxiliary pipe, heat exchanger, cooling pipe, connecting pipe, discharge port, stirring blades, support rods, support plates, adsorption tubes, purification chamber, fan, air pump, circulation pump, circulation pipe, auxiliary plate, filter plate, retaining frame, and nozzle. The retaining sleeve and support plate facilitate installation and removal of the cooling jacket from the reactor bottom. The cooling pipe and auxiliary plate conform to the reactor, enhancing the overall cooling effect of the cooling jacket and accelerating heat dissipation within the reactor. The stirring blade accelerates stirring, aiding the dissolution of solid sodium carbonate and subsequent crystal precipitation. The circulation pipe connects the auxiliary pipe and circulation pump, ensuring the heat exchange efficiency of the heat exchanger and improving the equipment's production efficiency. The adsorption tube and air pump guide the movement of exhaust gas. The nozzle and filter plate gradually treat the exhaust gas to reduce residual soda ash. The fan accelerates the discharge of the treated exhaust gas.

[0004] However, it still has the following disadvantages in actual use:

[0005] Existing soda ash preparation equipment reacts with acidic substances in the filter plate during purification to remove residual alkaline substances. However, the acidic substances accumulate in the filter plate, making the acid-base neutralization reaction slow, and some acidic substances do not react fully, affecting the exhaust gas treatment efficiency. Utility Model Content

[0006] The purpose of the utility model is to provide a soda ash preparation device with exhaust gas treatment function to solve the problem raised in the above background technology that the existing soda ash preparation device reacts with the acidic substances in the filter plate during purification to remove the residual alkaline substances, but the acidic substances accumulate in the filter plate, making the acid-base neutralization reaction slow, and some acidic substances do not react fully, affecting the exhaust gas treatment efficiency.

[0007] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0008] The utility model is a soda ash preparation device with tail gas treatment function, comprising:

[0009] A main body assembly, comprising a reaction tank, an air inlet pipe, a purification box, a cover plate, a through hole, a fixing frame and a top plate;

[0010] The purification box is placed on the top side of the reaction tank, one end of the air inlet pipe extends into the interior of the reaction tank, and the other end is welded to the side of the lower end of the purification box. The cover plate is fixed to the top of the purification box, a through hole is opened on the cover plate, and the fixing frame is inserted into the through hole and the purification box, and the top plate is welded to the top of the fixing frame.

[0011] A uniform component, comprising a motor, a rotating shaft, a driving wheel, a supporting plate, a driven wheel, a rotating rod and a stirring rod;

[0012] The motor is fixed in the middle of the top of the top plate, and the output end extends into the fixed frame, the rotating shaft is connected to the output end of the motor by screws, the driving wheel is connected to the lower end of the rotating shaft by screws, the support plate is welded to the middle of the lower surface of the top plate, the rotating rod is rotatably connected to the lower end of the support plate, the driven wheel is connected to the rotating rod by screws, and the stirring rod is fixed to the end of the rotating rod away from the support plate;

[0013] The driving wheel is meshed with the driven wheel.

[0014] Furthermore, the main body assembly further includes an air outlet pipe and an air pump;

[0015] The air outlet pipe is connected to a side of the purification box away from the air inlet pipe, and the air pump is fixed to an end of the air outlet pipe located outside the purification box.

[0016] Furthermore, the main body assembly further includes a limit plate and a baffle;

[0017] The baffle is welded to the middle of the bottom surface of the purification box, and the limit plates are welded to both sides of the interior of the purification box and are located between the baffle and the air inlet pipe.

[0018] Furthermore, the main body assembly also includes a filter screen and a sealing ring;

[0019] The filter screen is fixed on both sides of the fixing frame, and the sealing ring is attached to the lower surface of the top plate.

[0020] Furthermore, it also includes a material replacement component;

[0021] The material replacement assembly includes a filling tube and a support column;

[0022] The filling pipe is welded to the side of the upper end of the top plate, the upper end of the support column is welded to the four corners of the lower surface of the purification box, and the lower end is fixed to the top of the reaction tank by bolts.

[0023] Furthermore, the material changing assembly further comprises a first sealing door and a small door;

[0024] The first sealing door is hinged at the lower end of the purification box and is located directly below the limiting plate. The small door is hinged at the lower end of the fixing frame.

[0025] Compared with the prior art, the advantages of the present invention are:

[0026] 1. The utility model has a uniform component. When the exhaust gas enters the purification box through the intake pipe, the exhaust gas reacts with the acidic substance in the fixed frame. At this time, the motor starts, driving the rotating shaft to rotate. The rotation of the rotating shaft drives the driving wheel to rotate, and then drives the driven wheel engaged with the lower end of the support plate to rotate. The rotation of the driven wheel drives the stirring rod on the rotating rod to rotate, stirring the acidic substance in the fixed frame. This setting can promote the contact between the alkaline residual substances in the exhaust gas and the acidic substance, thereby accelerating the reaction.

[0027] 2. The utility model has a material replacement component. When the acidic substance reacts and the material needs to be replaced, the first sealing door and the small door can be opened in sequence to release the neutralized substance in the fixed frame. The small door and the first sealing door can be closed, the stuffing tube can be opened, and the acidic substance can be added to the fixed frame through the stuffing tube. This arrangement facilitates the replacement of the acidic substance in the fixed frame and further improves the exhaust gas treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0030] Figure 2 This is the internal structure diagram of the purification box of the present utility model;

[0031] Figure 3 This is a schematic diagram of the uniform component position of the present utility model;

[0032] Figure 4 This is a schematic diagram of the uniform component structure of the utility model.

[0033] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0034] 10. Reactor; 11. Purification box; 12. Inlet pipe; 13. Outlet pipe; 14. Air pump; 15. Limit plate; 16. Baffle; 17. Cover plate; 170. Through hole; 18. Fixing frame; 180. Filter screen; 181. Top plate; 182. Sealing ring; 20. Motor; 21. Rotating shaft; 22. Driving wheel; 23. Support plate; 24. Driven wheel; 25. Rotating rod; 26. Stirring rod; 30. Filling tube; 31. First sealing door; 32. Small door; 33. Support column. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0036] In the following description, many specific details are set forth to facilitate 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 may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0037] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0038] See also Figure 1-4 As shown, this embodiment is a soda ash preparation device with tail gas treatment function, comprising:

[0039] The main body assembly includes a reaction tank 10, an air inlet pipe 12, a purification box 11, a cover plate 17, a through hole 170, a fixing frame 18 and a top plate 181;

[0040] The purification box 11 is placed on the top side of the reaction tank 10. One end of the air inlet pipe 12 extends into the interior of the reaction tank 10, and the other end is welded to the side of the lower end of the purification box 11. The cover plate 17 is fixed to the top of the purification box 11. The through hole 170 is opened in the cover plate 17. The fixing frame 18 is inserted into the through hole 170 and the purification box 11. The top plate 181 is welded to the top of the fixing frame 18.

[0041] The interior of the reaction tank 10 is used for reaction and refining soda ash. The air inlet pipe 12 is used to input the exhaust gas generated in the reaction tank 10 into the purification box 11. The purification box 11 is used to purify the alkaline substances in the exhaust gas. The cover plate 17 is used to close the purification box 11. The through hole 170 facilitates the installation of the fixing frame 18. The fixing frame 18 plays a supporting role. The top plate 181 plays a sealing and limiting role. The top plate 181 is wider than the through hole 170. After the fixing frame 18 is inserted into the purification box 11, the top plate 181 is attached to the upper surface of the cover plate 17.

[0042] The uniform component includes a motor 20, a rotating shaft 21, a driving wheel 22, a support plate 23, a driven wheel 24, a rotating rod 25 and a stirring rod 26;

[0043] The motor 20 is fixed in the middle of the top of the top plate 181, and the output end extends into the fixed frame 18. The rotating shaft 21 is connected to the output end of the motor 20 by screws. The driving wheel 22 is connected to the lower end of the rotating shaft 21 by screws. The support plate 23 is welded to the middle of the lower surface of the top plate 181. The rotating rod 25 is rotatably connected to the lower end of the support plate 23. The driven wheel 24 is connected to the rotating rod 25 by screws. The stirring rod 26 is fixed to the end of the rotating rod 25 away from the support plate 23;

[0044] The driving wheel 22 is meshed with the driven wheel 24;

[0045] The motor 20 provides the power source, the rotating shaft 21 can control the driving wheel 22 to rotate, the driving wheel 22 outputs the power, the driven wheel 24 receives the power and controls the rotation of the rotating rod 25, the support plate 23 plays a supporting role, and the stirring rod 26 has the function of stirring and mixing;

[0046] The main assembly also includes an air outlet pipe 13 and an air pump 14;

[0047] The air outlet pipe 13 is connected to a side of the purification box 11 away from the air inlet pipe 12, and the air pump 14 is fixed to an end of the air outlet pipe 13 located outside the purification box 11;

[0048] The air pump 14 can control the flow direction of the gas in the purification box 11, and the gas outlet pipe 13 is used to discharge the gas;

[0049] The main assembly also includes a limit plate 15 and a baffle 16;

[0050] The baffle 16 is welded to the middle of the bottom surface of the purification box 11, and the limit plates 15 are welded to both sides of the inside of the purification box 11 and are located between the baffle 16 and the air inlet pipe 12;

[0051] The limit plate 15 plays a limiting role, the baffle 16 plays a separating role, and the two sides of the baffle 16 respectively have filtering and spraying functions;

[0052] The main assembly also includes a filter 180 and a sealing ring 182;

[0053] The filter screen 180 is fixed on both sides of the fixed frame 18, and the sealing ring 182 is attached to the lower surface of the top plate 181;

[0054] The filter screen 180 facilitates gas circulation, and the sealing ring 182 plays a sealing role.

[0055] Working principle:

[0056] Add raw materials into the reaction tank 10, and after a series of operations such as stirring, a solution mixed with soda ash particles is obtained, and tail gas containing residual alkaline substances is generated;

[0057] The exhaust gas enters the purification box 11 through the air inlet pipe 12, first reacts with the acidic substances in the fixed frame 18, and then passes through the other side of the baffle 16 to reduce the concentration;

[0058] While the reaction tank 10 is working, the motor 20 is started, driving the rotating shaft 21 to rotate. The rotation of the rotating shaft 21 drives the driving wheel 22 to rotate, which in turn drives the driven wheel 24 meshed with the lower end of the support plate 23 to rotate. The driven wheel 24 rotates, driving the stirring rod 26 on the rotating rod 25 to rotate, stirring the acidic substance in the fixed frame 18;

[0059] During the stirring process, the tail gas entering the purification box 11 is fully mixed with the acidic substances.

[0060] This step can promote the contact between the alkaline residual substances in the tail gas and the acidic substances, thereby accelerating the reaction.

[0061] See also Figure 1-4 This embodiment is based on the above embodiment 1 and further includes:

[0062] The material changing assembly includes a filling pipe 30 and a support column 33;

[0063] The filling pipe 30 is welded to the upper side of the top plate 181, the upper end of the support column 33 is welded to the four corners of the lower surface of the purification box 11, and the lower end is fixed to the top of the reaction tank 10 by bolts;

[0064] The filling pipe 30 is used to add raw materials to the fixed frame 18, and the support column 33 plays a supporting role, so that there is a certain gap between the purification box 11 and the reaction tank 10, which is conducive to the opening and closing of the first sealing door 31 and the small door 32;

[0065] The refueling assembly further includes a first sealing door 31 and a small door 32;

[0066] The first sealing door 31 is hinged at the lower end of the purification box 11 and is located directly below the limit plate 15. The small door 32 is hinged at the lower end of the fixed frame 18.

[0067] The first sealing door 31 and the small door 32 play a sealing role.

[0068] Working principle:

[0069] When the acidic substance in the fixed frame 18 has finished reacting, the material needs to be replaced;

[0070] The first sealing door 31 and the small door 32 can be opened in sequence to release the neutralized substance in the fixed frame 18, and then the small door 32 and the first sealing door 31 can be closed;

[0071] The filling tube 30 is opened, and the acidic substance is added into the fixing frame 18 through the filling tube 30 . After the addition is completed, the filling tube 30 is closed.

[0072] This step facilitates the replacement of the acidic substance in the fixing frame 18 and further improves the exhaust gas treatment efficiency.

[0073] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0074] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A soda ash preparation device with tail gas treatment function, characterized in that: include: A main body assembly, the main body assembly comprising a reaction tank (10), an air inlet pipe (12), a purification box (11), a cover plate (17), a through hole (170), a fixing frame (18) and a top plate (181); The purification box (11) is placed on the top side of the reaction tank (10), one end of the air inlet pipe (12) extends into the interior of the reaction tank (10), and the other end is welded to the side of the lower end of the purification box (11), the cover plate (17) is fixed to the top of the purification box (11), the through hole (170) is opened on the cover plate (17), the fixing frame (18) is inserted into the through hole (170) and the purification box (11), and the top plate (181) is welded to the top of the fixing frame (18); A uniform component, the uniform component comprising a motor (20), a rotating shaft (21), a driving wheel (22), a supporting plate (23), a driven wheel (24), a rotating rod (25) and a stirring rod (26); The motor (20) is fixed in the middle of the top of the top plate (181), and the output end extends into the fixed frame (18); the rotating shaft (21) is connected to the output end of the motor (20) by screws; the driving wheel (22) is connected to the lower end of the rotating shaft (21) by screws; the support plate (23) is welded to the middle of the lower surface of the top plate (181); the rotating rod (25) is rotatably connected to the lower end of the support plate (23); the driven wheel (24) is connected to the rotating rod (25) by screws; and the stirring rod (26) is fixed to the end of the rotating rod (25) away from the support plate (23); The driving wheel (22) is meshed with the driven wheel (24).

2. The soda ash production equipment with tail gas treatment function according to claim 1, characterized in that: The main body assembly further includes an air outlet pipe (13) and an air pump (14); The air outlet pipe (13) is connected to a side of the purification box (11) away from the air inlet pipe (12), and the air pump (14) is fixed to one end of the air outlet pipe (13) located outside the purification box (11).

3. The soda ash production equipment with tail gas treatment function according to claim 1, characterized in that: The main body assembly further includes a limiting plate (15) and a baffle (16); The baffle (16) is welded to the middle of the bottom surface of the purification box (11), and the limiting plates (15) are welded to both sides of the inside of the purification box (11) and are located between the baffle (16) and the air inlet pipe (12).

4. The soda ash production equipment with tail gas treatment function according to claim 1, characterized in that: The main body assembly further includes a filter screen (180) and a sealing ring (182); The filter screen (180) is fixed on both sides of the fixed frame (18), and the sealing ring (182) is attached to the lower surface of the top plate (181).

5. The soda ash production equipment with tail gas treatment function according to claim 1, characterized in that: Also included are refueling components; The material changing assembly includes a filling pipe (30) and a support column (33); The filler pipe (30) is welded to the upper side of the top plate (181), the upper end of the support column (33) is welded to the four corners of the lower surface of the purification box (11), and the lower end is fixed to the top of the reaction tank (10) by bolts.

6. The soda ash production equipment with tail gas treatment function according to claim 1, characterized in that: The material changing assembly further comprises a first sealing door (31) and a small door (32); The first sealing door (31) is hinged at the lower end of the purification box (11) and is located directly below the limiting plate (15), and the small door (32) is hinged at the lower end of the fixed frame (18).

Citation Information

Patent Citations

  • Heavy soda ash preparation equipment

    CN219209037U