Limestone powder preparation device for desulfurization

By designing a limestone powder preparation device with components such as a crushing frame and a cyclone separator, the problems of low screening efficiency and limited particle size were solved, and the fine classification and efficient processing of limestone materials were achieved.

CN223901934UActive Publication Date: 2026-02-13SUZHOU TONA SUPERFINE POWDER CO LTD
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Patent Information

Application Number
CN202423181193.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-02-13
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing conventional screening devices have low screening efficiency and produce limestone particles with limited size, making it difficult to meet the requirements for fine screening.

Method used

A limestone powder preparation device was designed, comprising a crushing frame, a crushing mechanism, a preliminary filtration chamber, a cyclone separator, and a fine powder classifier. Through crushing, separation, and classification processes, the limestone material is finely processed.

Benefits of technology

It improves screening efficiency, enables fine classification and processing of limestone materials, and enhances processing precision and the practicality of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a limestone powder preparation device for desulfurization, and belongs to the technical field of limestone powder preparation, the limestone powder preparation device for desulfurization comprises a crushing frame, a crushing cavity and a preliminary filtering cavity are formed in the crushing frame, the crushing cavity communicates with the preliminary filtering cavity, a feeding port is formed in the bottom of the crushing frame, and a crushing mechanism is arranged in the crushing cavity; the crushing mechanism comprises a primary crushing mechanism and a grinding mechanism, a primary powder selecting mechanism is arranged in the primary filtering cavity, the primary powder selecting mechanism comprises a primary powder selecting machine, a coarse powder collecting mechanism is arranged at the bottom of the crushing frame, a coarse powder collecting box is arranged in the coarse powder collecting mechanism, and a secondary filtering box is arranged on one side of the crushing frame. By arranging the crushing frame, during use, limestone materials can be classified and treated more finely, the screening efficiency is high, the processing precision of the lime materials can be effectively improved, and the practicability of the device is improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of limestone powder preparation, in particular to a limestone powder preparation device for desulfurization. BACKGROUND

[0002] Lime or limestone desulfurization refers to a process that absorbs sulfur dioxide in flue gas by using lime or limestone slurry in an absorption tower to obtain a mixed solution of calcium sulfite and calcium sulfate, then sends the mixed solution to an oxidation tower, and then performs oxidation by introducing air, and finally obtains finished product calcium sulfate (gypsum) by centrifugal filtration and washing of the obtained calcium sulfate slurry.

[0003] The existing conventional screening device has low screening efficiency, and the limestone particle size that can be produced and prepared is limited, so it is difficult to meet the more refined needs. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the application provides a limestone powder preparation device for desulfurization, which overcomes the deficiencies of the prior art and aims to solve the problem of the low screening efficiency of the existing conventional screening device in the prior art, and the limited limestone particle size that can be produced and prepared, which is difficult to meet the more refined needs.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a limestone powder preparation device for desulfurization, comprising a crushing frame, a crushing cavity and a preliminary filtering cavity are formed in the inside of the crushing frame, the crushing cavity and the preliminary filtering cavity are in communication with each other, a feeding port is arranged at the bottom of the crushing frame, a crushing mechanism is arranged in the inside of the crushing cavity, the crushing mechanism comprises a preliminary crushing mechanism and a grinding mechanism, a secondary filtering cavity is arranged in the inside of the preliminary filtering cavity,

[0006] A primary powder selecting mechanism, the primary powder selecting mechanism comprises a preliminary powder selecting machine, a coarse powder collecting mechanism is arranged at the bottom of the crushing frame, a coarse powder collecting box is arranged in the inside of the coarse powder collecting mechanism, a secondary filtering box is arranged at one side of the crushing frame, a filtering box is formed in the inside of the secondary filtering box, a cyclone separator and a fine powder selecting machine are arranged in the inside of the filtering box, a fine powder collecting box is arranged at the bottom of the secondary filtering box, a conveying pipe is arranged at one side of the preliminary powder selecting machine, the other end of the conveying pipe is in communication with the cyclone separator, and a circulating fan is arranged in the inside of the preliminary powder selecting machine.

[0007] By adopting the technical scheme, when large limestone is sent into the inside of the crushing frame through the feeding port, the large limestone is first crushed into small pieces through the impact and shearing action of the crushing mechanism. Then, the small pieces are automatically adjusted into the inside of the preliminary powder selecting machine. The preliminary powder selecting machine can quickly distinguish the unqualified products with heavy weight according to the weight difference of the materials, and discharge the unqualified products into the inside of the coarse powder collecting box. The qualified small particles enter the inside of the cyclone separator through the conveying pipe, most of the dust is thrown to the cylinder wall and falls down for recycling, and the clean air enters the inside of the fine powder selecting machine together with the light materials to realize more detailed classification. Finally, the fine powder and the coarse powder fall into the respective corresponding finished product bins for subsequent processing or direct use, so that the classification and processing of the limestone materials can be more finely completed, the screening efficiency is higher, the processing precision of the limestone materials can be effectively improved, and the practicability of the device is improved.

[0008] As a preferred technical scheme of the present application, one side of the feeding port is provided with a driving motor, an output end of the driving motor is provided with a driving rod, and the outside of the driving rod is provided with a plurality of stirring rods.

[0009] By adopting the above technical scheme, the inside of the feeding port can be stirred when in use, preventing large limestone from being blocked in the inside of the feeding port. Meanwhile, the stirring rod also has a certain crushing effect, improving the stability of use.

[0010] As a preferred technical scheme of the present application, one side of the cyclone separator is provided with a separation pipe, one end of the separation pipe penetrates the secondary filtering box, and the outside of the secondary filtering box is provided with a collecting groove.

[0011] By adopting the above technical scheme, the dust and sundries in the limestone can be cleaned through the separation pipe when in use, and the collecting groove can collect the dust and sundries, making it more convenient to clean the dust.

[0012] As a preferred technical scheme of the present application, one side of the crushing frame is provided with a control panel, and the control panel is electrically connected between the crushing frame and the secondary filtering box.

[0013] By adopting the above technical scheme, the control panel can realize the control effect of each part of the device from the outside, improving the practicability of the device.

[0014] As a preferred technical scheme of the present application, the bottom of the secondary filtering box is provided with two groups of sliding plates, and the fine powder collecting box is located in the inside of the two groups of sliding plates.

[0015] By adopting the technical scheme, the fine powder collecting box can be pulled out and displaced from the inside of the sliding plate, which is convenient for the staff to collect the finished product.

[0016] As a preferred technical scheme of the present application, the inside of the sliding plate and the coarse powder collecting mechanism are both provided with a weight sensor.

[0017] By adopting the technical scheme, the coarse powder collecting box and the fine powder collecting box can be weighed, which is convenient for the staff to know the collection of lime powder.

[0018] As a preferred technical scheme of the present application, one side of the fine powder classifier is provided with a conveyor belt, and the other end of the conveyor belt is connected with the coarse powder collecting mechanism.

[0019] By adopting the technical scheme, the slightly coarse material in the inside of the fine powder classifier can enter the inside of the coarse powder collecting box, which is convenient for the collection of lime material.

[0020] As a preferred technical scheme of the present application, the top of the feeding port is provided with a feeding cover, and the top of the feeding cover is provided with a handle on one side of the coarse powder collecting box and the fine powder collecting box.

[0021] By adopting the technical scheme, the top of the feeding port can be shielded by the feeding cover, and the handle can be convenient for the staff to pull out the coarse powder collecting box and the fine powder collecting box.

[0022] By adopting the technical scheme, the top of the feeding port can be shielded by the feeding cover, and the handle can be convenient for the staff to pull out the coarse powder collecting box and the fine powder collecting box.

[0023] The present application has the following advantages:

[0024] 1. By providing the crushing frame, when the large lime stone is sent into the inside of the crushing frame through the feeding port, it is first crushed into small pieces by the impact and shearing action of the crushing mechanism. Then, the small pieces are automatically adjusted into the inside of the preliminary powder classifier, which can quickly distinguish the unqualified products according to the weight difference of the material and discharge them into the inside of the coarse powder collecting box, and the qualified small particles enter the inside of the cyclone separator through the conveying pipe, where most of the dust is thrown to the cylinder wall and falls down for recycling, and the clean air and light material

[0025] together enter the inside of the fine powder classifier for more detailed classification, finally, the fine powder and the coarse powder fall into the respective finished product bin for subsequent processing or direct use, which can more finely complete the classification and processing of the lime stone material, has high screening efficiency, can effectively improve the processing precision of the lime material, and improve the practicability of the device.

[0026] 2, by setting drive motor, in use, can be carried out on the internal lime material stirring, prevent large block of lime material blockage in the internal feed port, while the stirring rod also has a certain broken effect, improve the stability of use. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 is the overall structure of the present application schematic diagram;

[0028] Fig. 2 is the internal structure of the present application schematic diagram;

[0029] Fig. 3 is the internal structure of the present application schematic diagram of the feed port;

[0030] Fig. 4 is the coarse powder collection machine structure schematic diagram.

[0031] In the figure: 1, the crushing frame; 101, crushing cavity; 102, preliminary filter cavity; 104, observation window; 2, secondary filter box; 201, filter box; 204, conveying belt; 205, sliding plate; 206, fine powder collection box; 3, feed port; 301, feed cover; 302, drive motor; 303, drive rod; 304, stirring rod; 4, crushing mechanism; 401, preliminary crushing mechanism; 402, grinding mechanism; 5, primary powder selection mechanism; 501, preliminary powder selection machine; 502, conveying pipe; 503, circulating fan; 6, cyclone separator; 601, separation tube; 602, collection tank; 7, fine powder selection machine; 8, control panel; 801, weight sensor; 9, coarse powder collection mechanism; 901, coarse powder collection box. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0033] Referring to FIGS. 1-4, a limestone powder preparation device for desulfurization includes a crushing frame 1, a crushing cavity 101 and a preliminary filtering cavity 102 are arranged in the crushing frame 1, the crushing cavity 101 and the preliminary filtering cavity 102 are communicated with each other, a feeding port 3 is arranged at the bottom of the crushing frame 1, a crushing mechanism 4 is arranged in the crushing cavity 101, the crushing mechanism 4 includes a preliminary crushing mechanism 401 and a grinding mechanism 402, a first-stage powder selecting mechanism 5 is arranged in the preliminary filtering cavity 102, the first-stage powder selecting mechanism 5 includes a preliminary powder selecting machine 501, a coarse powder collecting mechanism 9 is arranged at the bottom of the crushing frame 1, a coarse powder collecting box 901 is arranged in the coarse powder collecting mechanism 9, a secondary filtering box 2 is arranged at one side of the crushing frame 1, a filtering box 201 is arranged in the secondary filtering box 2, a cyclone separator 6 and a fine powder selecting machine 7 are arranged in the filtering box 201, a fine powder collecting box 206 is arranged at the bottom of the secondary filtering box 2, a conveying pipe 502 is arranged at one side of the preliminary powder selecting machine 501, the other end of the conveying pipe 502 is communicated with the cyclone separator 6, and a circulating fan 503 is arranged in the preliminary powder selecting machine 501. A separation pipe 601 is arranged at one side of the cyclone separator 6, one end of the separation pipe 601 penetrates through the secondary filtering box 2, and a collecting groove 602 is arranged outside the secondary filtering box 2.

[0034] By arranging the crushing frame 1, when large limestone blocks are sent into the crushing frame 1 through the feeding port 3 during use, the large limestone blocks are crushed into small blocks through the impact and shearing action of the crushing mechanism 4.

[0035] After that, the small blocks are automatically adjusted into the preliminary powder selecting machine 501, the preliminary powder selecting machine 501 quickly distinguishes the unqualified products with heavy weight from the qualified small particles according to the weight difference of the materials, and the unqualified products are discharged into the coarse powder collecting box 901, the qualified small particles enter the cyclone separator 6 through the conveying pipe 502, most of the dust is thrown to the cylinder wall and falls down for recycling, the clean air and the light materials enter the fine powder selecting machine 7 for more detailed classification, finally, the fine powder and the coarse powder fall into the corresponding product bins respectively for subsequent processing or direct use, so that the classification and processing of the limestone materials can be more precise, the processing precision of the limestone materials can be effectively improved, and the practicability of the device can be improved. By arranging the separation pipe 601, the dust and impurities in the limestone materials can be cleaned through the separation pipe 601 during use, and the dust and impurities can be collected in the collecting groove 602, so that the dust cleaning is more convenient.

[0036] Referring to Figure 1, one side of the feed inlet 3 is provided with a driving motor 302, the output end of the driving motor 302 is provided with a driving rod 303, the outside of the driving rod 303 is provided with a plurality of stirring rods 304; one side of the crushing frame 1 is provided with a control panel 8, the control panel 8 is electrically connected between the crushing frame 1 and the secondary filtering box 2; the inside of the coarse powder collecting mechanism 9 and the sliding plate 205 is provided with a weight sensor 801; by setting the driving motor 302, the inside of the feed inlet 3 can be stirred when in use, preventing large lime material from being blocked in the inside of the feed inlet 3, and the stirring rod 304 also has a certain crushing effect, improving the stability of use; by setting the control panel 8, the effect of controlling each part of the device externally can be realized, improving the practicability of the device; by setting the weight sensor 801, the coarse powder collecting box 901 and the fine powder collecting box 206 can be weighed when in use, which can

[0037] convenient for the staff to know the collection of lime powder.

[0038] Referring to Figure 1, the bottom of the secondary filtering box 2 is provided with two groups of sliding plates 205, and the fine powder collecting box 206 is located inside the two groups of sliding plates 205; by setting the sliding plate 205, the fine powder collecting box 206 can be extracted and displaced from the inside of the sliding plate 205 when in use, which is more convenient for the staff to collect the finished product; one side of the fine powder selecting machine 7 is provided with a conveyor belt 204, and the other end of the conveyor belt 204 is in communication with the coarse powder collecting mechanism 9; by setting the conveyor belt 204, the slightly coarse material in the inside of the fine powder selecting machine 7 can enter the inside of the coarse powder collecting box 901 when in use, which is more convenient for the collection of lime material; the top of the feed inlet 3 is provided with a feed cover 301, and the top of the feed cover 301, one side of the coarse powder collecting box 901 and the fine powder collecting box 206 are provided with handles; by setting the feed cover 301, the top of the feed inlet 3 can be shielded, and the handles can facilitate the staff to extract the coarse powder collecting box 901 and the fine powder collecting box 206.

[0039] Working principle: by setting up the crushing frame 1, when using, when the large limestone is sent into the inside of the crushing frame 1 through the feed inlet 3, it is first crushed into small pieces by the impact and shearing action of the crushing mechanism 4. After that, these small pieces are automatically adjusted into the inside of the primary powder selecting machine 501, the primary powder selecting machine 501 can quickly distinguish the unqualified products according to the weight difference of the materials, and discharge them into the coarse powder collecting box 901, and the qualified small particles enter into the inside of the cyclone separator 6 through the conveying pipe 502, where most of the dust is thrown to the cylinder wall and falls down for recycling, and the clean air enters into the inside of the fine powder selecting machine 7 together with the light materials to realize more detailed classification, finally, the fine powder and the coarse powder fall into the corresponding product bins respectively for subsequent processing or direct use, which can more finely complete the classification and processing of the limestone materials, and the screening efficiency is high, which can effectively improve the processing precision of the limestone materials and the practicability of the device.

[0040] By setting the driving motor 302, the limestone materials in the inside of the feed inlet 3 can be stirred during use, preventing the large limestone materials from being blocked in the inside of the feed inlet 3, and the stirring rod 304 also has a certain crushing effect, improving the stability of use.

[0041] The dust and impurities in the limestone materials can be cleaned through the separation pipe 601 during use, the dust and impurities can be collected in the collecting groove 602, which is more convenient for dust cleaning, and the control panel 8 can realize the control effect of each part of the device outside, improving the practicability of the device.

[0042] At the same time, by setting the sliding plate 205, the fine powder collecting box 206 can be extracted and displaced from the inside of the sliding plate 205 during use, which is more convenient for workers to collect the finished products.

[0043] In addition, by setting the weight sensor 801, the coarse powder collecting box 901 and the fine powder collecting box 206 can be weighed during use, which can help workers to understand the collection of limestone powder; by setting the conveying belt 204, the slightly coarse materials in the inside of the fine powder selecting machine 7 can enter into the inside of the coarse powder collecting box 901, which is more convenient for the collection of limestone materials; by setting the feed cover 301, the top of the feed inlet 3 can be shielded, and the handle can be convenient for workers to extract the coarse powder collecting box 901 and the fine powder collecting box 206.

[0044] The above only describes the preferred embodiments of the present application and is not used to limit the present application,

[0045] Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features thereof can be replaced equivalently by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A limestone powder preparation device for desulfurization, comprising a pulverizing frame (1), characterized in that, The inside of the crushing frame (1) is provided with a crushing cavity (101) and a preliminary filtering cavity (102), the crushing cavity (101) and the preliminary filtering cavity (102) are communicated with each other, the bottom of the crushing frame (1) is provided with a feeding port (3), the inside of the crushing cavity (101) is provided with a crushing mechanism (4), the crushing mechanism (4) comprises a preliminary crushing mechanism (401) and a grinding mechanism (402), the inside of the preliminary filtering cavity (102) is provided with a first powder selecting mechanism (5), the first powder selecting mechanism (5) comprises a preliminary powder selecting machine (501), the bottom of the crushing frame (1) is provided with a coarse powder collecting mechanism (9), the inside of the coarse powder collecting mechanism (9) is provided with a coarse powder collecting box (901), one side of the crushing frame (1) is provided with a secondary filtering box (2), the inside of the secondary filtering box (2) is provided with a filtering box (201), the inside of the filtering box (201) is provided with a cyclone separator (6) and a fine powder selecting machine (7), the bottom of the secondary filtering box (2) is provided with a fine powder collecting box (206), one side of the preliminary powder selecting machine (501) is provided with a conveying pipe (502), the other end of the conveying pipe (502) is communicated with the cyclone separator (6), the inside of the preliminary powder selecting machine (501) is provided with a circulating fan (503).

2. The limestone powder preparation device for desulfurization according to claim 1, characterized by, One side of the feeding port (3) is provided with a driving motor (302), the output end of the driving motor (302) is provided with a driving rod (303), the outside of the driving rod (303) is provided with a plurality of stirring rods (304).

3. The limestone powder preparation device for desulfurization according to claim 1, characterized by, One side of the cyclone separator (6) is provided with a separation pipe (601), one end of the separation pipe (601) penetrates through the secondary filtering box (2), the outside of the secondary filtering box (2) is provided with a collecting groove (602).

4. The limestone powder preparation device for desulfurization according to claim 1, characterized by, One side of the crushing frame (1) is provided with a control panel (8), the control panel (8) is electrically connected between the crushing frame (1) and the secondary filtering box (2).

5. The limestone powder preparation device for desulfurization according to claim 1, characterized by, The bottom of the secondary filtering box (2) is provided with two groups of sliding plates (205), the fine powder collecting box (206) is located in the inside of the two groups of sliding plates (205).

6. The limestone powder preparation device for desulfurization according to claim 5, characterized by, The inside of the coarse powder collecting mechanism (9) and the sliding plate (205) is provided with a weight sensor (801).

7. The limestone powder preparation device for desulfurization according to claim 1, characterized by, One side of the fine powder selecting machine (7) is provided with a conveying belt (204), the other end of the conveying belt (204) is communicated with the coarse powder collecting mechanism (9).

8. The limestone powder preparation device for desulfurization according to claim 1, characterized by, The top of the feeding port (3) is provided with a feeding cover (301), the top of the feeding cover (301), one side of the coarse powder collecting box (901) and the fine powder collecting box (206) are provided with handles.