Low metamorphic coal screening device

By designing a rotatable support frame and screen structure, the problem of fixed and unreplaceable screens in existing low-rank coal screening devices has been solved, enabling flexible screening and convenient discharge, and improving the screening effect and equipment adaptability of low-rank coal.

CN223669665UActive Publication Date: 2025-12-16NINGXIA BAOFENG ENERGY GROUP CO LTD
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Patent Information

Application Number
CN202520239127.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2025-12-16
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

The existing screen assemblies of low-rank coal screening devices can only perform a single or fixed screening function and cannot be replaced according to the size of the low-rank coal, which limits the diversified screening needs and affects the effective utilization and quality improvement of low-rank coal.

Method used

A low-rank coal screening device was designed, including a support frame one and a support frame two, which are rotatably distributed on the top of the collection frame via a rotating shaft. Combined with screens one and two of different mesh sizes, the screens can be disassembled, replaced, and adjusted, improving the adaptability and ease of operation of the equipment.

Benefits of technology

It enables flexible screening based on the size of low-rank coal, improving the adaptability and ease of operation of the equipment, and enhancing screening efficiency and discharge convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low metamorphic coal screening device which comprises a feeding component, a screening component and a discharging component. The feeding component comprises a supporting frame, a feeding bin, a bottom plate and a collecting frame. The screening component comprises vertical plates, a first supporting frame, rotating shafts, a second supporting frame, a first screen, a second screen, positioning rods, positioning holes and limiting discs, the top of the bottom plate is symmetrically connected with a set of vertical plates, the first supporting frame and the second supporting frame are connected to the upper portions and the lower portions of the vertical plates, and one side of the outer surface of each vertical plate is connected with the corresponding rotating shaft; one end of the first supporting frame and one end of the second supporting frame are rotationally connected between the two rotating shafts, and the first screen is detachably connected to the inner wall of the first supporting frame. The problems that when the device is actually used, a screen assembly can only achieve a single or fixed screening function, a screen is difficult to replace according to the size of low-metamorphic coal, diversified screening requirements cannot be met, and effective utilization and quality improvement of the low-metamorphic coal are limited are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coal screening equipment technical field, especially a kind of low metamorphic coal screening device. BACKGROUND

[0002] Low metamorphic coal refers to relatively low degree of metamorphism coal resources, applicable to the density difference of raw coal and gangue in coal is relatively large, the sorting effect of lump coal is better, can effectively improve the purity and calorific value of low metamorphic coal.

[0003] According to the search, the disclosed as CN220004850U, a kind of fine coal screening device, it is related to mining equipment technical field, specifically a kind of fine coal screening device, including feed hopper and screen assembly, the lower portion of feed hopper is installed with feed channel, feed channel is fixedly installed with guide plate on the inner wall close to screen assembly, the lower portion of feed channel is installed with rotatable runner assembly, runner assembly includes shaft and blade, feed channel is installed with blocking cylinder on the outer side close to runner assembly, the end of blocking cylinder piston rod is installed with blocking round shaft, screen assembly includes screen frame. Through the cooperation setting of feed channel, runner assembly, blocking cylinder and blocking round shaft, the fine coal screening device has the effect that the discharging speed is conveniently controlled and is not easy to block, through the setting of screen assembly, the fine coal screening device has the effect that screening effect is good and screening efficiency is high.

[0004] But the above-mentioned device in actual use, screen assembly often can only realize single or fixed screening function, it is difficult to replace screen according to the size of low metamorphic coal, cannot satisfy the diversified screening demand, limit the effective use and quality improvement of low metamorphic coal, therefore need to provide a kind of low metamorphic coal screening device, can be adjusted and used according to the size of low metamorphic coal to support frame one and support frame two, improve the adaptability and operation convenience of equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of low metamorphic coal screening device, to solve the above-mentioned background art proposed, the above-mentioned device in actual use, screen assembly often can only realize single or fixed screening function, it is difficult to replace screen according to the size of low metamorphic coal, cannot satisfy the diversified screening demand, limit the effective use and quality improvement of low metamorphic coal problem.

[0006] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0007] The utility model is a kind of low metamorphic coal screening device, including:

[0008] Feeding component, the feeding component includes support frame, feed bin, bottom plate and collection frame;

[0009] The utility model provides a screening component, screening component includes vertical board, support frame one, rotating shaft, support frame two, screen cloth one, screen cloth two, positioning rod, positioning hole and limit disc, the top of bottom plate is connected with a group of vertical board symmetry, support frame one and support frame two link between a plurality of vertical boards up and down, the outside surface of vertical board one side is connected with rotating shaft, and the one end of support frame one and support frame two is rotationally connected between two rotating shafts, and screen cloth one is detachably connected on the inner wall of support frame one, and screen cloth two is detachably connected on the inner wall of support frame two.

[0010] Further, the inside of the vertical plate, the two sides of the support frame one and the support frame two are provided with positioning holes, the positioning rods are inserted into the inside of the positioning holes, and the limit discs are connected to one side of the outer surface of the positioning rods.

[0011] Further, it further includes a fixing component, the fixing component includes a horizontal plate, a threaded hole, an internal threaded ring, a threaded rod and a handle, the horizontal plate is connected between the outer ends of the two vertical plates, the internal threaded ring is connected to the middle part of one end of the outer surface of the side plate, the threaded rod is connected to the middle part of the internal threaded ring, and the handle is rotationally connected to the outer end of the threaded rod.

[0012] Further, the outer surfaces of the support frame one and the support frame two are provided with threaded holes, and one end of the threaded rod is connected to the inside of the threaded hole in a threaded manner.

[0013] Further, the feeding bin is connected between the upper surfaces of the two support frames, the bottom plate is connected to the lower surfaces between the two feeding bins, and the collecting frame is connected to the top of the bottom plate.

[0014] Further, it further includes a discharging component, the discharging component includes a baffle, a handle, a top plate, a slot, a sliding groove, an insertion block and a sliding block, one end of the outer surface of the collecting frame is connected through the baffle, the handle is connected to the middle part of one end of the outer surface of the baffle, and the baffle is blocked on one side of the outer surface of the collecting frame.

[0015] Further, one end of the inner surface of the collecting frame is provided with the slot, the insertion block is connected to the middle part of the other end of the baffle, and the insertion block is inserted into the inside of the slot.

[0016] Further, the top plate is connected to one end of the top of the collecting frame and is provided with the sliding groove in the inside, one end of the top of the baffle is connected with the sliding block, and the sliding block is movably connected to the inside of the sliding groove.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] The utility model discloses, through being equipped with support frame one, support frame two, rotating shaft, screen cloth one and screen cloth two respectively on the top of collection frame, the size of screen cloth one and screen cloth two net is different, can selectively use support frame one and support frame two, and support frame one or support frame two can be distributed on the top of collection frame through rotating shaft rotation, and low metamorphic coal is transferred to the bottom through feed bin, and is screened using screen cloth one and screen cloth two respectively, when not needing using support frame one or support frame two, again through rotating shaft rotation, support frame one or support frame two is unfolded, so can adjust and use support frame one and support frame two according to the size of low metamorphic coal, improve the adaptability and operating convenience of equipment.

[0019] Based on the above beneficial effects, by providing a baffle, an insert block and a sliding block on one side of the collection frame, the screened low metamorphic coal is uniformly transferred inside the collection frame. When collection is needed, the handle is held, the sliding block is moved inside the sliding groove, the baffle is pulled out, the insert block is separated from the insertion slot, the baffle is separated from one side of the collection frame, and the low metamorphic coal inside is transferred to the outside in an inclined manner, improving the convenience of discharging. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can also be obtained by those skilled in the art without creative labor.

[0021] Figure 1 It is the whole schematic view of the screening device of the utility model;

[0022] Figure 2 It is the unfolded schematic view of support frame one and support frame two of the utility model;

[0023] Figure 3 It is the schematic view of the collection frame of the utility model;

[0024] Figure 4 It is the schematic view of the bottom of the collection frame of the utility model.

[0025] In the drawings, the component list represented by each sign is as follows:

[0026] 100, support frame; 101, feed bin; 102, bottom plate; 103, collection frame;

[0027] 200, vertical plate; 201, support frame one; 202, rotating shaft; 203, support frame two; 204, screen cloth one; 205, screen cloth two; 206, positioning rod; 207, positioning hole; 208, limiting disc;

[0028] 300, transverse plate; 301, threaded hole; 302, internally threaded ring; 303, threaded rod; 304, handle;

[0029] 400, baffle; 401, handle; 402, top plate; 403, slot; 404, sliding groove; 405, insertion block; 406, sliding block. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0031] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0032] In order to make the purposes, technical solutions and advantages of the present application more clear, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0033] Please refer to Figure 1 , Figure 2 As shown in the drawings, the present embodiment is a low metamorphic coal screening device, which comprises:

[0034] The feeding component comprises a support frame 100, a feeding bin 101, a bottom plate 102 and a collection frame 103.

[0035] The screening component comprises vertical plates 200, support frames one 201, rotating shafts 202, support frames two 203, screen meshes one 204, screen meshes two 205, positioning rods 206, positioning holes 207 and limiting discs 208, the top of the bottom plate 102 is symmetrically connected with a group of vertical plates 200, the support frames one 201 and the support frames two 203 are connected between the upper and lower parts of the vertical plates 200, one side of the outer surface of each vertical plate 200 is connected with a rotating shaft 202, one end of each of the support frames one 201 and the support frames two 203 is rotatably connected between two rotating shafts 202, the screen mesh one 204 is detachably connected to the inner wall of the support frame one 201, and the screen mesh two 205 is detachably connected to the inner wall of the support frame two 203.

[0036] The screen mesh one 204 and the screen mesh two 205 are different in size, and the support frame one 201 and the support frame two 203 can be selectively used, the support frame one 201 or the support frame two 203 can be distributed on the top of the collection frame 103 by rotating the rotating shaft 202, the low metamorphic coal is transferred to the bottom through the feeding bin 101, and the screening is performed by using the screen mesh one 204 and the screen mesh two 205 respectively.

[0037] The inside of the vertical plate 200, both sides of the support frame one 201 and the support frame two 203 are provided with positioning holes 207, the positioning rods 206 are inserted and connected in the inside of the positioning holes 207, and the limiting discs 208 are connected on one side of the outer surface of the positioning rods 206;

[0038] When the support frame one 201 or the support frame two 203 is rotated and unfolded, the positioning rods 206 are inserted into the inside of the positioning holes 207, so as to position the unfolded support frame one 201 or the support frame two 203.

[0039] Further comprising a fixing component, the fixing component comprises a horizontal plate 300, a threaded hole 301, an internal threaded ring 302, a threaded rod 303 and a handle 304, the horizontal plate 300 is connected between the outer ends of the two vertical plates 200, the internal threaded ring 302 is connected to the middle part of one end of the outer surface of the side plate, the threaded rod 303 is connected to the middle part of the internal threaded ring 302, and the handle 304 is rotationally connected to the outer end of the threaded rod 303;

[0040] The outer surfaces of the support frame one 201 and the support frame two 203 are provided with the threaded holes 301, and one end of the threaded rod 303 is threadedly connected in the inside of the threaded hole 301;

[0041] The threaded rod 303 is rotated, so that the threaded rod 303 is fixed in the inside of the threaded hole 301, and the support frame one 201 or the support frame two 203 distributed on the top of the collecting frame 103 after rotation is positioned.

[0042] The feeding bin 101 is connected between the upper surfaces of the two support frames 100, the bottom plate 102 is connected to the lower surfaces between the two feeding bins 101, and the collecting frame 103 is connected to the top of the bottom plate 102;

[0043] The crushed low metamorphic coal is transmitted to the inside of the feeding bin 101 and is transmitted to the bottom by the feeding bin 101.

[0044] The working principle is that first, the mesh size of the first screen 204 and the second screen 205 is different, and the support frame one 201 and the support frame two 203 can be selectively used, the support frame one 201 or the support frame two 203 can be distributed on the top of the collection frame 103 through the rotating shaft 202, then the threaded rod 303 is fixed in the threaded hole 301, the support frame one 201 or the support frame two 203 distributed on the top of the collection frame 103 after rotation is positioned, the low metamorphic coal is transmitted to the bottom through the feeding bin 101, and the first screen 204 and the second screen 205 are used for screening respectively, when the support frame one 201 or the support frame two 203 is not used, the support frame one 201 or the support frame two 203 is unfolded again through the rotating shaft 202, the positioning rod 206 is inserted into the positioning hole 207, and the unfolded support frame one 201 or the support frame two 203 is positioned, so that the support frame one 201 and the support frame two 203 can be adjusted and used according to the size of the low metamorphic coal, and the adaptability and operation convenience of the equipment are improved.

[0045] Please refer to Figure 1 、 Figure 3 、 Figure 4 It is shown that the embodiment is based on the above-mentioned embodiment, and further includes a discharging component, the discharging component includes a baffle 400, a handle 401, a top plate 402, a slot 403, a sliding groove 404, an insertion block 405 and a sliding block 406, one end of the outer surface of the collection frame 103 penetrates and is connected with the baffle 400, the handle 401 is connected to the middle part of one end of the outer surface of the baffle 400, and the baffle 400 blocks one side of the outer surface of the collection frame 103.

[0046] When collection is needed, the handle 401 is held, the baffle 400 is pulled out, the baffle 400 is separated from one side of the collection frame 103, and the low metamorphic coal in the inside is transmitted to the outside in an inclined manner, so that the convenience of discharging is improved.

[0047] One end of the inner surface of the collection frame 103 is provided with the slot 403, the insertion block 405 is connected to the middle part of the other end of the baffle 400, and the insertion block 405 is inserted into the inside of the slot 403.

[0048] When the baffle 400 is pulled out, the sliding block 406 moves in the inside of the sliding groove 404.

[0049] The top plate 402 is connected to one end of the top of the collection frame 103 and is provided with the sliding groove 404 in the inside, one end of the top of the baffle 400 is connected with the sliding block 406, and the sliding block 406 is movably connected to the inside of the sliding groove 404.

[0050] The position of the baffle 400 after pushing in is fixed by inserting the insertion block 405 into the inside of the slot 403.

[0051] Working principle, first after screening low metamorphic coal will be uniformly transmitted in the inside of collecting frame 103, when needing to collect, hold handle 401, through the inside activity of sliding block 406 in sliding groove 404, draw out baffle 400, make that plug block 405 is separated from insertion groove 403, baffle 400 is separated from the one side of collecting frame 103, and the inside low metamorphic coal will pass through the way of transmission to the outside, the convenience of lifting discharge, finally hold handle 401 hand 304, push baffle 400, make that plug block 405 is inserted in the inside of insertion groove 403, the position of baffle 400 after pushing is fixed.

[0052] In the description of the present application, it should be further pointed out that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0053] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A low metamorphic coal screening device, characterized by, Include: The feeding component includes a support frame (100), a feeding bin (101), a bottom plate (102) and a collection frame (103); The screening component includes a vertical plate (200), a support frame one (201), a rotating shaft (202), a support frame two (203), a screen one (204), a screen two (205), a positioning rod (206), a positioning hole (207) and a limiting disc (208), the top of the bottom plate (102) is symmetrically connected with a group of vertical plates (200), the support frame one (201) and the support frame two (203) are connected between the upper and lower parts of the vertical plates (200), one side of the outer surface of the vertical plate (200) is connected with the rotating shaft (202), one end of the support frame one (201) and the support frame two (203) is rotatably connected between the two rotating shafts (202), the screen one (204) is detachably connected to the inner wall of the support frame one (201), and the screen two (205) is detachably connected to the inner wall of the support frame two (203).

2. A low metamorphic coal screening device according to claim 1, characterized in that, The inside of the vertical plate (200), the two sides of the support frame one (201) and the support frame two (203) are provided with positioning holes (207), the positioning rod (206) is inserted into the inside of the positioning hole (207), and the limiting disc (208) is connected to one side of the outer surface of the positioning rod (206).

3. A low metamorphic coal screening device according to claim 1, characterized in that, It also includes a fixing component, which includes a horizontal plate (300), a threaded hole (301), an internal threaded ring (302), a threaded rod (303) and a handle (304), the horizontal plate (300) is connected between the outer ends of the two vertical plates (200), the internal threaded ring (302) is connected to the middle of one end of the outer surface of the side plate, the threaded rod (303) is connected to the middle of the internal threaded ring (302), and the handle (304) is rotatably connected to the outer end of the threaded rod (303).

4. A low metamorphic coal screening device according to claim 3, wherein The outer surfaces of the support frame one (201) and the support frame two (203) are provided with threaded holes (301), and one end of the threaded rod (303) is threadedly connected in the inside of the threaded hole (301).

5. A low metamorphic coal screening device according to claim 1, wherein The feeding bin (101) is connected between the upper surfaces of the two support frames (100), the bottom plate (102) is connected to the lower surface between the two feeding bins (101), and the collection frame (103) is connected to the top of the bottom plate (102).

6. A low metamorphic coal screening device according to claim 1, wherein, It also includes a discharging component, which includes a baffle (400), a handle (401), a top plate (402), a slot (403), a sliding groove (404), an insertion block (405) and a sliding block (406), one end of the outer surface of the collection frame (103) penetrates through the baffle (400), the handle (401) is connected to the middle of one end of the outer surface of the baffle (400), and the baffle (400) blocks one side of the outer surface of the collection frame (103).

7. A low metamorphic coal screening device according to claim 6, wherein One end of the inner surface of the collection frame (103) is provided with a slot (403), the insertion block (405) is connected to the middle of the other end of the baffle (400), and the insertion block (405) is inserted into the inside of the slot (403).

8. A low metamorphic coal screening device according to claim 6, wherein The top plate (402) is connected at one end of the top of the collecting frame (103) and has a chute (404) inside, and one end of the top of the baffle (400) is connected with a sliding block (406) which is movably connected inside the chute (404).

Citation Information

Patent Citations

  • Foam clean coal screening device

    CN220004850U