Desulfurized gypsum mixing device with pre-grinding function

By setting up a pre-grinding mechanism and a rotating mechanism in the desulfurization gypsum mixing device, the problem that existing devices cannot grind and crush larger gypsum is solved, and the full grinding and mixing of gypsum is achieved, and the efficiency of subsequent processing is improved.

CN222534760UActive Publication Date: 2025-02-28SHANXI DADI ENVIRONMENTAL RESOURCES CO LTD
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Patent Information

Application Number
CN202421261861.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-02-28
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

The existing desulfurization gypsum mixing devices cannot grind and crush larger desulfurization gypsum, resulting in insufficient sufficient time during stirring and insufficient contact with the substance, affecting subsequent processing.

Method used

A desulfurization gypsum mixing device equipped with pre-ground grinding is designed, including a grinding mechanism and a rotating mechanism. The grinding mechanism grinds the gypsum through components such as grinding boxes, rotary rods, grinding rollers and gears, and the rotating mechanism stirs and cleans the gypsum through components such as mixing rods, scrapers and cleaning rods.

Benefits of technology

Through pre-grinding, the diameter of the gypsum is smaller, which increases its contact area with the substance and mixing efficiency, prevents blockage of the cutting port and improves the overall processing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a desulfurized gypsum mixing device with a pre-grinding function, which comprises a mixing box which is a hollow cylindrical shell, and the surface of the mixing box is fixedly connected with a support frame; a discharging opening is fixedly connected to the bottom of the mixing box, a piston is embedded in the bottom of the discharging opening, a grinding mechanism is arranged in the mixing box, and the grinding mechanism comprises a grinding box fixedly connected to the surface of the mixing box. According to the desulfurized gypsum mixing device with the pre-grinding function, the grinding mechanism is arranged, gypsum is ground, the diameter of the gypsum is reduced, a second motor drives two grinding rollers to rotate through a first gear, the gypsum is ground, meanwhile, a second gear drives a rack to move downwards, the rack drives a rotating plate to move downwards, the angle of the rotating plate is changed, and the gypsum is ground. And the ground gypsum falls into the mixing box along the surface of the rotating plate, so that the throwing area of the gypsum is increased, the gypsum is mixed more quickly, and the mixing efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of desulfurized gypsum processing, in particular to a desulfurized gypsum mixing device provided with pre-grinding. Background Art

[0002] Gypsum is a monoclinic mineral and a hydrate whose main chemical component is calcium sulfate (CaSO4). Gypsum is a widely used industrial material and building material, and desulfurized gypsum is also called flue gas desulfurized gypsum, sulfur gypsum or FGD gypsum. The main component of desulfurized gypsum is the same as that of natural gypsum, but desulfurized gypsum is a by-product of the FGD process. The FGD process is a technology that uses lime-limestone to recover sulfur dioxide in the flue gas of coal or oil. In order to improve the economic efficiency of the use of desulfurized gypsum, it is necessary to add additives to it through a mixing device to stir it to obtain different products. However, the existing desulfurized gypsum mixing device cannot grind and crush larger desulfurized gypsum when in use, resulting in insufficient stirring of the desulfurized gypsum, and the desulfurized gypsum cannot fully contact with the material, affecting its subsequent processing. Utility Model Content

[0003] The purpose of the utility model is to provide a desulfurization gypsum mixing device with pre-grinding to solve the problem in the above-mentioned background technology that larger desulfurization gypsum cannot be ground and crushed, resulting in insufficient stirring of the desulfurization gypsum, inability to make the desulfurization gypsum fully contact with the material, and affecting the subsequent processing thereof.

[0004] To achieve the above object, the utility model provides the following technical solution: a pre-ground desulfurized gypsum mixing device, comprising a mixing box configured as a hollow cylindrical shell, and a support frame fixedly connected to the surface of the mixing box;

[0005] The bottom of the mixing box is fixedly connected with a discharge port, and a piston is embedded in the bottom of the discharge port, a grinding mechanism is arranged inside the mixing box, and the grinding mechanism comprises: a grinding box is fixedly connected to the surface of the mixing box, and a rotating rod is symmetrically rotatably installed inside the grinding box, and a grinding roller is fixedly connected to the surface of the rotating rod, the ends of the two rotating rods pass through the surface of the mixing box and are fixedly connected with gear one, the surface of the mixing box is connected with motor two, and the end of the output shaft of motor two is connected to the rotating rod on one side, and the other end of the rotating rod passes through the grinding box and is connected with gear two, a rotating plate is rotatably installed at the bottom of the grinding box, a rack is embedded in the surface of the grinding box and is slidably connected, and one end of the rack is connected to a spring, and the other end of the spring is connected to the surface of the grinding box, and the other end of the rack is inserted into the interior of the mixing box and connected to the rotating plate.

[0006] Preferably, a rotating mechanism is provided on the surface of the mixing box, and the rotating mechanism includes: a motor is installed on the surface of the mixing box, and a rotating shaft is rotatably installed inside the mixing box, and the end of the rotating shaft passes through the mixing box and is connected to the output shaft of the motor, a stirring rod is fixedly connected to the surface of the rotating shaft, and a scraper is fixedly connected to the end of the stirring rod, a connecting rod is fixedly connected to the bottom of the rotating shaft, and a cleaning rod is fixedly connected to the surface of the connecting rod.

[0007] By adopting the above technical solution, the rotating mechanism stirs the internal material, prevents gypsum from hanging on the wall, cleans the discharge port, and prevents the discharge port from being blocked.

[0008] Preferably, the inner bottom surface of the mixing box is arranged in a reverse pointed cone shape, and the feed outlet is arranged at the lowest end of the mixing box.

[0009] By adopting the above technical solution, the material can be moved downward along the inner wall of the mixing box to prevent the material from accumulating at the bottom.

[0010] Preferably, the rotating shaft is rotatably connected to the mixing box, and the end of the scraper is in contact with the inner wall of the mixing box, and the mixing box and the scraper are rotatably connected.

[0011] By adopting the above technical solution, the motor drives the rotating shaft to rotate, and the rotating shaft drives the scraper to rotate to clean the inner wall of the mixing box.

[0012] Preferably, the end of the cleaning rod is inserted into the interior of the feeding port, and the surface of the cleaning rod is in contact with the inner wall of the feeding port, and the feeding port and the cleaning rod are rotatably connected.

[0013] By adopting the above technical solution, the cleaning rod rotates inside the discharge port to clean the inner wall of the discharge port to prevent material blockage during discharge.

[0014] Preferably, the surfaces of the two grinding rollers are in contact with each other, and the grinding roller is in contact with the inner wall of the grinding box, and the grinding box and the grinding roller are rotatably connected, the bottom of the grinding box is arranged inside the mixing box, the surfaces of the two gears are in contact with each other, and the two gears are meshingly connected.

[0015] By adopting the above technical solution, the grinding roller rotates to grind the gypsum and crush the gypsum.

[0016] Preferably, the rack is arranged on the surface of gear two, and gear two is meshingly connected to the rack, and gear two is arranged to be designed with missing teeth, the rack is rotatably connected to the grinding box, and the rack is slidably connected to the mixing box, one end of the rotating plate is rotatably connected to the grinding box, and the other end of the rotating plate is connected to the rack.

[0017] By adopting the above technical solution, the second gear drives the rack to move on the surface of the grinding box when rotating.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the desulfurized gypsum mixing device provided with pre-grinding:

[0019] 1. A grinding mechanism is provided to grind the gypsum to reduce its diameter. Motor 2 drives two grinding rollers to rotate through gear 1 to grind the gypsum. At the same time, gear 2 drives the rack to move downward, and the rack drives the rotating plate to move downward, so that the angle of the rotating plate changes, so that the ground gypsum falls into the mixing box along the surface of the rotating plate, increasing the gypsum throwing area, making the gypsum mixed more quickly and improving the mixing efficiency.

[0020] 2. A rotating mechanism is provided to stir the gypsum and clean the discharge port to prevent the discharge port from being blocked. The rotating shaft drives the rotating shaft to rotate, and the rotating shaft drives the stirring rod to rotate to mix the materials. At the same time, the stirring rod drives the scraper to clean the inner wall of the mixing box to prevent the mixing box from hanging on the wall. At the same time, the cleaning rod rotates inside the discharge port to clean the discharge port, which is convenient for discharging of the mixing box. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a three-dimensional schematic diagram of the installation of the grinding roller structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional installation of the rotating shaft of the structure of the utility model;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the cleaning rod installation of the utility model;

[0025] Figure 5 This is a schematic diagram of the internal installation structure of the mixing box of the utility model;

[0026] Figure 6 This is a schematic diagram of the three-dimensional structure of the installation of the second gear of the utility model.

[0027] In the figure: 10, mixing box; 101, supporting frame;

[0028] 20. Feeding port; 201. Piston;

[0029] 30. Motor 1; 301. Rotating shaft; 302. Stirring rod; 303. Scraper; 304. Connecting rod; 305. Cleaning rod;

[0030] 40. Grinding box; 401. Rotating rod; 402. Grinding roller; 403. Gear 1; 404. Motor 2; 405. Gear 2; 406. Rack; 407. Spring; 408. Rotating plate. DETAILED DESCRIPTION

[0031] 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.

[0032] See also Figure 1-6 The utility model provides a technical solution: a desulfurized gypsum mixing device with pre-grinding, comprising a mixing box 10, a support frame 101, a feed port 20, a piston 201, a motor 1 30, a rotating shaft 301, a stirring rod 302, a scraper 303, a connecting rod 304, a cleaning rod 305, a grinding box 40, a rotating rod 401, a grinding roller 402, a gear 1 403, a motor 2 404, a gear 2 405, a rack 406, a spring 407 and a rotating plate 408;

[0033] The desulfurized gypsum mixing device is convenient for grinding gypsum, and the specific implementation method is as follows:

[0034] The mixing box 10 is configured as a hollow cylindrical shell, and a support frame 101 is fixedly connected to the surface of the mixing box 10; a feed port 20 is fixedly connected to the bottom of the mixing box 10, and a piston 201 is embedded in the bottom of the feed port 20; a grinding mechanism is provided inside the mixing box 10, and the grinding mechanism includes: a grinding box 40 is fixedly connected to the surface of the mixing box 10, and a rotating rod 401 is symmetrically installed inside the grinding box 40, and a grinding roller 40 is fixedly connected to the surface of the rotating rod 401 2. The ends of the two rotating rods 401 penetrate the surface of the mixing box 10 and are fixedly connected to a gear 1 403. The surface of the mixing box 10 is connected to a motor 2 404, and the end of the output shaft of the motor 2 404 is connected to the rotating rod 401 on one side, and the other end of the rotating rod 401 penetrates the grinding box 40 and is connected to a gear 2 405. A rotating plate 408 is rotatably installed at the bottom of the grinding box 40. A rack 406 is embedded in the surface of the grinding box 40 and is slidably connected, and one end of the rack 406 is connected to a spring 407. , and the other end of the spring 407 is connected to the surface of the grinding box 40, the other end of the rack 406 is inserted into the interior of the mixing box 10 and connected to the rotating plate 408, the inner bottom surface of the mixing box 10 is set to a reverse pointed cone, and the feed port 20 is set at the lowest end of the mixing box 10, the surfaces of the two grinding rollers 402 are in contact with each other, and the grinding rollers 402 are in contact with the inner wall of the grinding box 40, and the grinding box 40 and the grinding rollers 402 are rotatably connected, and the bottom of the grinding box 40 is set in the mixing box 1 0, the surfaces of the two gears 403 are in contact, and the two gears 403 are meshed and connected, the rack 406 is arranged on the surface of the gear 2 405, and the gear 2 405 is meshed and connected with the rack 406, and the gear 2 405 is arranged as a missing tooth design, the rack 406 is rotatably connected to the grinding box 40, and the rack 406 is slidably connected to the mixing box 10, one end of the rotating plate 408 is rotatably connected to the grinding box 40, and the other end of the rotating plate 408 is connected to the rack 406.

[0035] Pour gypsum into the grinding box 40, and the gypsum falls on the surface of the grinding roller 402. Start the motor 2 404, and the motor 2 404 drives the rotating rod 401 on one side to rotate, and the rotating rod 401 on this side drives the gear 1 403 on the surface to rotate. At this time, the gear 1 403 is meshed with the gear 1 403 on the surface of the rotating rod 401 on the other side. At this time, the two gears 1 403 rotate, and the gear 1 403 drives the two rotating rods 401 to rotate inside the grinding box 40 at the same time. The rotating rod 401 drives the grinding roller 402 on the surface to rotate inside the rotating grinding box 40, and the grinding roller 402 is used to rotate the surface The gypsum is ground and falls on the surface of the rotating plate 408. When the rotating rod 401 on one side drives the tooth block on the surface of the gear 2 405 to rotate to the surface of the rack 406, the gear 2 405 drives the rack 406 to move downward, so that the rack 406 moves downward on the surface of the grinding box 40. The end of the rack 406 drives one side of the rotating plate 408 to move downward, so that the other end of the rotating plate 408 rotates on the surface of the grinding box 40, and the rotating plate 408 tilts. At this time, the gypsum moves downward along the surface of the rotating plate 408, so that the gypsum is scattered inside the mixing box 10, which is convenient for mixing.

[0036] The desulfurized gypsum mixing device stirs and mixes the gypsum to prevent the feed port 20 from being blocked. The specific implementation method is as follows:

[0037] A rotating mechanism is provided on the surface of the mixing box 10, and the rotating mechanism includes: a motor 30 is installed on the surface of the mixing box 10, and a rotating shaft 301 is rotatably installed inside the mixing box 10, and the end of the rotating shaft 301 passes through the mixing box 10 and is connected to the output shaft of the motor 30, a stirring rod 302 is fixedly connected to the surface of the rotating shaft 301, and a scraper 303 is fixedly connected to the end of the stirring rod 302, a connecting rod 304 is fixedly connected to the bottom of the rotating shaft 301, and a cleaning rod 305 is fixedly connected to the surface of the connecting rod 304, the end of the cleaning rod 305 is inserted into the inside of the discharge port 20, and the surface of the cleaning rod 305 is fitted with the inner wall of the discharge port 20, and the discharge port 20 and the cleaning rod 305 are rotationally connected, the rotating shaft 301 and the mixing box 10 are rotationally connected, and the end of the scraper 303 is fitted with the inner wall of the mixing box 10, and the mixing box 10 and the scraper 303 are rotationally connected.

[0038] Start the motor 30, the motor 30 drives the rotating shaft 301 to rotate through the output shaft, the rotating shaft 301 drives the stirring rod 302 on the surface to rotate, the stirring rod 302 drives the scraper 303 to rotate, the stirring rod 302 stirs the gypsum inside and mixes the gypsum, and at the same time the scraper 303 cleans the inside of the mixing box 10 and scrapes off the material on the inner wall of the mixing box 10, the gypsum sticks to the inner wall of the mixing box 10, and at the same time the rotating shaft 301 drives the connecting rod 304 to rotate, the connecting rod 304 drives the cleaning rod 305 on the surface to rotate, so that the cleaning rod 305 rotates inside the discharge port 20 to clean the discharge port 20 to prevent material blockage, the piston 201 is taken out from the inside of the discharge port 20, the cleaning rod 305 rotates inside the discharge port 20, the material on the inner wall of the discharge port 20 is scraped off to prevent the inner wall of the discharge port 20 from sticking.

[0039] Working principle: When using the desulfurized gypsum mixing device with pre-grinding, a stirring rod 302, a scraper 303, a connecting rod 304 and a cleaning rod 305 are provided to stir and mix the gypsum to prevent the discharge port 20 from being blocked. A gear 405, a rack 406, a spring 407 and a rotating plate 408 are provided to facilitate the grinding of the gypsum and increase the overall practicality.

[0040] Although the 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 desulfurized gypsum mixing device with pre-grinding, comprising a mixing box (10) configured as a hollow cylindrical shell, and a support frame (101) is fixedly connected to the surface of the mixing box (10); Features: The bottom of the mixing box (10) is fixedly connected to a feeding port (20), and a piston (201) is embedded in the bottom of the feeding port (20), and a grinding mechanism is arranged inside the mixing box (10), and the grinding mechanism comprises: a grinding box (40) is fixedly connected to the surface of the mixing box (10), and a rotating rod (401) is symmetrically rotatably installed inside the grinding box (40), and a grinding roller (402) is fixedly connected to the surface of the rotating rod (401), and the ends of the two rotating rods (401) penetrate the surface of the mixing box (10) and are fixedly connected to a gear 1 (403), and the surface of the mixing box (10) is connected to a motor The second motor (404) is provided with a gear (405), and the output shaft end of the second motor (404) is connected to a rotating rod (401) on one side, and the other end of the rotating rod (401) passes through the grinding box (40) and is connected to a gear (405). A rotating plate (408) is rotatably installed at the bottom of the grinding box (40). A rack (406) is embedded in the surface of the grinding box (40) and is slidably connected thereto, and one end of the rack (406) is connected to a spring (407), and the other end of the spring (407) is connected to the surface of the grinding box (40), and the other end of the rack (406) is inserted into the interior of the mixing box (10) and is connected to the rotating plate (408).

2. A desulfurized gypsum mixing device with pre-grinding according to claim 1, characterized in that: The surface of the mixing box (10) is provided with a rotating mechanism, and the rotating mechanism comprises: a motor (30) is installed on the surface of the mixing box (10), and a rotating shaft (301) is rotatably installed inside the mixing box (10), and the end of the rotating shaft (301) passes through the mixing box (10) and is connected to the output shaft of the motor (30), a stirring rod (302) is fixedly connected to the surface of the rotating shaft (301), and a scraper (303) is fixedly connected to the end of the stirring rod (302), a connecting rod (304) is fixedly connected to the bottom of the rotating shaft (301), and a cleaning rod (305) is fixedly connected to the surface of the connecting rod (304).

3. A desulfurized gypsum mixing device with pre-grinding according to claim 1, characterized in that: The inner bottom surface of the mixing box (10) is arranged in a reverse pointed cone shape, and the feed opening (20) is arranged at the lowest end of the mixing box (10).

4. A desulfurized gypsum mixing device with pre-grinding according to claim 2, characterized in that: The rotating shaft (301) is rotatably connected to the mixing box (10), and the end of the scraper (303) is in contact with the inner wall of the mixing box (10), and the mixing box (10) and the scraper (303) are rotatably connected.

5. A desulfurized gypsum mixing device with pre-grinding according to claim 2, characterized in that: The end of the cleaning rod (305) is inserted into the interior of the feeding port (20), and the surface of the cleaning rod (305) is in contact with the inner wall of the feeding port (20), and the feeding port (20) and the cleaning rod (305) are rotatably connected.

6. A desulfurized gypsum mixing device with pre-grinding according to claim 1, characterized in that: The surfaces of the two grinding rollers (402) are in contact with each other, and the grinding roller (402) is in contact with the inner wall of the grinding box (40), and the grinding box (40) and the grinding roller (402) are rotatably connected, the bottom of the grinding box (40) is arranged inside the mixing box (10), and the surfaces of the two gears (403) are in contact with each other, and the two gears (403) are meshingly connected.

7. A desulfurized gypsum mixing device with pre-grinding according to claim 1, characterized in that: The rack (406) is arranged on the surface of gear 2 (405), and gear 2 (405) and the rack (406) are meshingly connected, and gear 2 (405) is designed to have missing teeth, the rack (406) and the grinding box (40) are rotationally connected, and the rack (406) and the mixing box (10) are slidingly connected, one end of the rotating plate (408) is rotationally connected to the grinding box (40), and the other end of the rotating plate (408) is connected to the rack (406).