CN210220537U - Large-scale tertiary dewatering device of raw coal - Google Patents
Large-scale tertiary dewatering device of raw coal Download PDFInfo
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- CN210220537U CN210220537U CN201921548601.0U CN201921548601U CN210220537U CN 210220537 U CN210220537 U CN 210220537U CN 201921548601 U CN201921548601 U CN 201921548601U CN 210220537 U CN210220537 U CN 210220537U
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Abstract
The utility model discloses a large-scale raw coal three-stage dehydration device, which belongs to the technical field of coal mine equipment and is arranged on an underground support, and comprises a screening machine main body, a damping support element and a motor, wherein the screening machine main body comprises side plates, a bottom plate, a cross beam, a sieve plate, a vibration exciter, a first coupling, a transmission shaft and a support end beam, the two side plates are symmetrically arranged in a face-to-face manner, the bottom plate and the sieve plate are connected between the bottoms of the two side plates, and the cross beam is connected between the middle parts of the two; the vibration exciters are symmetrically arranged at the upper parts of the two side plates, the two paired vibration exciters are connected with the transmission shaft through the first coupler, the input ends of the vibration exciters are connected to the output end of the motor, and the motor is arranged on the bracket through the motor support; the supporting end beams outside the side plates of the screen body are connected to the shock-absorbing supporting elements; the discharge end of the screen machine main body is higher than the feed end. The utility model discloses tertiary dewatering device of large-scale raw coal, structural strength is big, and the handling capacity is big, and the treatment effeciency is high, and the raw coal dehydration rate is high.
Description
Technical Field
The utility model relates to a coal mine equipment technical field especially relates to a tertiary dewatering device of large-scale raw coal.
Background
With the continuous development of social economy and science and technology, mine resources are still important pillars for the development of modern social economy and science and technology. The water-coal separation mainly aims at a dewatering system process of main coal flow water burst of a million tons of mines, all raw coals are subjected to stepped three-stage dewatering on a main conveying belt according to particle sizes in the main coal flow, primary dewatering mainly aims at filtering water of the raw coals above 20mm, and open water in lump coals is basically removed after the water is filtered. The dehydrated lump coal is also conveyed into the original conveying belt to be pulled away, then the raw coal with the granularity of less than 20mm to more than 1mm enters a secondary dehydration system to be dehydrated, and the dehydrated lump coal enters the original conveying belt to be pulled away. And (3) carrying out three-stage dehydration on the coarse slime with the granularity of more than 0.18mm and less than 1 mm. After dehydration, the leather is still pulled away along the original belt. All raw coal with the diameter of more than 0.18mm enters the original system after three-stage continuous dehydration, and the open water cannot be seen from the basic raw coal. The water with the diameter less than 0.18mm enters a water sump for uniform filter pressing recovery or enters a sedimentation tank for treatment.
In order to complete three-stage dehydration, a dehydration device needs to be designed according to the granularity, the water content, the treatment capacity and the like of raw coal, and the three-stage dehydration screening device in the prior art has the problems of small structural strength, small treatment capacity, incomplete dehydration and the like.
Therefore, it is necessary to develop a new large-scale three-stage raw coal dehydration device in view of the above disadvantages.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tertiary dewatering device of large-scale raw coal, structural strength is big, and the handling capacity is big, and the treatment effeciency is high, and the raw coal dehydration rate is high.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a large-scale tertiary dewatering device of raw coal, set up on the support in the pit, including screen (ing) machine main part, shock attenuation support element and motor, screen (ing) machine main part includes curb plate, bottom plate, crossbeam, sieve, vibration exciter, first shaft coupling, transmission shaft and support end beam, two the curb plate sets up face to face symmetry, bottom plate and sieve are connected between the bottom of two the curb plates, the crossbeam is connected between the middle part of two the curb plates, form the frame main part of screen (ing) machine main part; the vibration exciters are symmetrically arranged at the upper parts of the two side plates, the two paired vibration exciters are connected with the transmission shaft through the first coupler, the input ends of the vibration exciters are connected to the output end of the motor, and the motor is arranged on the bracket through a motor support; the outer sides of the side plates of the screen frame main body are symmetrically provided with four supporting end beams, the supporting end beams are connected to the shock absorption supporting elements, and the shock absorption supporting elements are arranged on the bracket; the left low right high slope setting of screen (ing) machine main part, the discharge end of screen (ing) machine main part is higher than the feed end.
Further, the inboard of curb plate is provided with interior stiffening plate, the outside of curb plate is provided with a plurality of strengthening ribs, be provided with outer stiffening plate between the strengthening rib.
Further, the damping support element specifically adopts a rubber spring, the support end beam is connected to the top of the rubber spring through a hoop, and the bottom of the rubber spring is connected to the support.
Further, an input shaft of the vibration exciter is connected to an output shaft of the motor through a second coupling, and the second coupling specifically adopts a mode of butting a tire type coupling or a belt flange. The motor specifically adopts the level four motor.
Further, the sieve plate specifically adopts stainless steel welding sieve plate or polyurethane sieve plate, the sieve mesh of sieve plate adopts strip seam, rectangular hole or square hole.
Further, the sieve plate is a single-layer sieve, a double-layer sieve or a three-layer sieve.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model relates to a large-scale tertiary dewatering device of raw coal, the frame main part that forms through curb plate, bottom plate, crossbeam and the sieve that high strength corrosion-resistant bolt interconnect, structural strength is big, can bear the weight of coal slime greatly, has improved treatment effeciency; through the arrangement of the vibration exciter and the motor, the motor drives the vibration exciter to vibrate at high frequency to promote the dehydration of the coal slime with smaller granularity, so that the dehydration efficiency and quality are improved; the screening machine main body 1 is obliquely arranged in a manner that the left part is lower than the right part and the right part is higher than the right part, and the discharge end 112 of the screening machine main body 1 is higher than the feed end 113, so that materials are conveyed to the high part from the right part under the action of the exciting force of the vibration exciter 107, the dryness of screened materials is favorably improved, and the dehydration quality is improved; the vibration of the vibration exciter is prevented from being transmitted to the support through the support end beam arranged on the vibration-absorbing support element, and the safety of the equipment is improved.
In addition, through the setting of interior stiffening plate, strengthening rib and outer stiffening plate, be favorable to further increasing the structural strength of frame main part has increased the bearing capacity of screen frame main part. Through the setting of rubber spring, can effectively reduce the vibration transmission of vibration exciter to the support on, avoided equipment on every side to receive the influence. Through the arrangement of the flexible tire type coupler or the butted belt flange, the vibration of the vibration exciter can not be transmitted back to the motor, the service life of the motor is shortened, the precision requirement of the installation coaxiality is reduced during installation, and the quick installation is ensured, so that the maintenance and the overhaul are convenient. The four-stage motor is adopted to increase the rotating speed and the vibration frequency, thereby being beneficial to improving the dehydration effect. The stainless steel welded sieve plate or the polyurethane sieve plate is adopted, so that the sieve plate is convenient to contact with a water environment for a long time and is corrosion-resistant; a slotted sieve plate is adopted during dehydration, medium removal and desliming, and a long rectangular hole or a square hole is used during classification; a single-layer sieve, a double-layer sieve or a three-layer sieve is selected according to the specific conditions of the coal slime to be treated, so that a better dewatering effect can be achieved.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic view of the three-stage dehydration device for large raw coal of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from the direction A;
description of reference numerals: 1. a screen main body; 101. a side plate; 102. a base plate; 103. a cross beam; 104. a sieve plate; 105. an inner stiffening plate; 106. reinforcing ribs; 107. a vibration exciter; 108. a first coupling; 109. a drive shaft; 110. supporting the end beam; 111. an outer stiffening plate; 112. a discharge end; 113. a feeding end; 2. a shock absorbing support element; 3. a motor; 4. a motor support; 5. a support; 6. hooping; 7. a second coupling.
Detailed Description
The core of the utility model is to provide a large-scale tertiary dewatering device of raw coal, structural strength is big, and the handling capacity is big, and the treatment effeciency is high, and the raw coal dehydration rate is high.
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Description of the drawings in the following detailed description, the upper, lower, left and right descriptions are for illustrative purposes only and should not be construed as limiting the invention.
The utility model discloses an in a specific embodiment, as shown in fig. 1 ~ 2, a tertiary dewatering device of large-scale raw coal, set up on support 5 in the pit, including screen (ing) machine main part 1, shock attenuation support element 2 and motor 3, screen (ing) machine main part 1 includes curb plate 101, bottom plate 102, crossbeam 103, sieve 104, vibration exciter 107, first shaft coupling 108, transmission shaft 109 and support end roof beam 110, two curb plate 101 that have middle part closed angle shape set up face to face symmetry, bottom plate 102 and sieve 104 are connected between the bottom of two curb plates 101, crossbeam 103 bolted connection is between two curb plate 101 middle parts, forms the frame main part of screen (ing) machine main part 1. The plurality of vibration exciters 107 are symmetrically arranged on the upper portions of the two side plates 101, the two paired vibration exciters 107 are connected with a transmission shaft 109 through a first coupling 108, the input end of each vibration exciter 107 is connected to the output end of the corresponding motor 3, and the corresponding motor 3 is arranged on the corresponding support 5 through the corresponding motor support 4. Four supporting end beams 110 are symmetrically arranged on the outer side of the side plate 101 of the screen machine main body 1, the supporting end beams 110 are installed on the shock absorption supporting elements 2, and the shock absorption supporting elements 2 are installed on the bracket 5; the screen main body 1 is obliquely arranged in a left-low-right high mode, and the discharge end 112 of the screen main body 1 is higher than the feed end 113.
The frame main body formed by the side plates 101, the bottom plate 102, the cross beams 103 and the sieve plates 104 which are mutually connected through the high-strength corrosion-resistant bolts has high structural strength, can bear heavy weight of coal slime, and improves the treatment efficiency; through the arrangement of the vibration exciter 107 and the motor 3, the motor 3 drives the eccentric block in the vibration exciter 107 to rotate at a high speed, so that the high-frequency vibration of the device of the utility model promotes the dehydration of the coal slime with smaller granularity, and the dehydration efficiency and quality are improved; the screening machine main body 1 is obliquely arranged in a manner that the left part is lower than the right part and the right part is higher than the right part, and the discharge end 112 of the screening machine main body 1 is higher than the feed end 113, so that materials are conveyed to the high part from the right part under the action of the exciting force of the vibration exciter 107, the dryness of screened materials is favorably improved, and the dehydration quality is improved; by mounting the support end beam 110 to the shock-absorbing support element 2, the transmission of the vibration exciter 107 to the bracket 5 is avoided, improving the safety of the apparatus.
In a specific embodiment of the present invention, as shown in fig. 1 and 2, the inner side of the side plate 101 is welded or bolted with an inner reinforcing plate 105, the outer side of the side plate 101 is welded with a plurality of vertical reinforcing ribs 106, and an outer reinforcing plate 111 is welded between the reinforcing ribs 106. Through the arrangement of the inner reinforcing plate 105, the reinforcing ribs 106 and the outer reinforcing plate 111, the structural strength of the frame main body is further increased, and the bearing capacity of the screen frame main body 1 is increased.
In a specific embodiment of the present invention, as shown in fig. 1 and 2, the damping support element 2 is specifically a rubber spring, the support end beam 110 is connected to the top of the rubber spring through the hoop 6, and the bottom of the rubber spring is connected to the bracket 5. Through the setting of rubber spring, can effectively reduce vibration transmission to support 5 of vibration exciter 107 on, avoided surrounding equipment to receive the influence. Obviously, adopt the elastic element of other forms, for example pressure spring supporting legs, or plastic block etc. can all reach similar technological effect, above-mentioned deformation mode all falls into the utility model discloses an among the scope.
In a specific embodiment of the present invention, as shown in fig. 2, an input shaft of the vibration exciter 107 is connected to an output shaft of the motor 3 through a second coupling 7, and the second coupling 7 specifically adopts a tire type coupling or a belt flange butt joint mode. The motor 3 is a four-stage motor. Through the arrangement of the flexible tire type coupler or the butted belt flange, the vibration of the vibration exciter 107 can be prevented from being transmitted back to the motor 3, the service life of the motor 3 is prolonged, the precision requirement of the installation coaxiality is reduced during installation, and the quick installation is ensured to be convenient to maintain and repair. The common vibrating screen in the prior art mostly adopts six-level motor with low rotating speed, adopts four-level motor to increase the rotating speed in the embodiment, improves the vibration frequency, and is favorable for improving the dehydration effect.
In a specific embodiment of the present invention, as shown in fig. 2, the sieve plate 104 specifically adopts a stainless steel welded sieve plate or a polyurethane sieve plate, and the sieve pores of the sieve plate 104 adopt a slit, a rectangular hole or a square hole. Further, the screen plate 104 is specifically a single-layer screen, a double-layer screen or a triple-layer screen.
The stainless steel welded sieve plate or the polyurethane sieve plate is adopted, so that the sieve plate is convenient to contact with a water environment for a long time and is corrosion-resistant; a slotted sieve plate is adopted during dehydration, medium removal and desliming, and a long rectangular hole or a square hole is used during classification; a single-layer sieve, a double-layer sieve or a three-layer sieve is selected according to the specific conditions of the coal slime to be treated, so that a better dewatering effect can be achieved.
According to the three-stage dewatering device for the large raw coal, the action direction of the exciting force generated by the motor 3 driving the vibration exciter 107 forms a fixed included angle with the horizontal direction according to the self-synchronizing principle, the two motors 3 synchronously rotate in opposite directions or move in opposite directions, the component forces of the centrifugal force generated at each moment along the vibration direction are always superposed, and the component forces in the normal directions are always counteracted with each other, so that the single exciting force along the vibration direction is formed, and the sieving machine main body 1 is in reciprocating linear motion. The amplitude is adjusted by adjusting the mutual included angle of the counterweight main eccentric block and the counterweight auxiliary eccentric block in the vibration exciter 107.
According to the large-scale raw coal three-stage dehydration device, the frame main body is formed by the side plates 101, the bottom plate 102, the cross beam 103 and the sieve plate 104 which are mutually connected through the high-strength corrosion-resistant bolts, the structural strength is high, the weight of coal slime can be borne, and the treatment efficiency is improved; through the arrangement of the vibration exciter 107 and the motor 3, the motor 3 drives the vibration exciter 107 to vibrate at high frequency to promote the dehydration of the coal slime with smaller granularity, so that the dehydration efficiency and quality are improved; the screening machine main body 1 is obliquely arranged in a manner that the left part is lower than the right part and the right part is higher than the right part, and the discharge end 112 of the screening machine main body 1 is higher than the feed end 113, so that materials are conveyed to the high part from the right part under the action of the exciting force of the vibration exciter 107, the dryness of screened materials is favorably improved, and the dehydration quality is improved; by mounting the support end beam 110 to the shock-absorbing support element 2, the transmission of the vibration exciter 107 to the bracket 5 is avoided, improving the safety of the apparatus. In addition, the arrangement of the inner reinforcing plate 105, the reinforcing ribs 106 and the outer reinforcing plate 111 is beneficial to further increasing the structural strength of the frame body, and the bearing capacity of the screen frame body 1 is increased. Through the setting of rubber spring, can effectively reduce vibration transmission to support 5 of vibration exciter 107 on, avoided surrounding equipment to receive the influence. Through the arrangement of the flexible tire type coupler or the butted belt flange, the vibration of the vibration exciter 107 can be prevented from being transmitted back to the motor 3, the service life of the motor 3 is prolonged, the precision requirement of the installation coaxiality is reduced during installation, and the quick installation is ensured to be convenient to maintain and repair. The stainless steel welded sieve plate or the polyurethane sieve plate is adopted, so that the sieve plate is convenient to contact with a water environment for a long time and is corrosion-resistant; a slotted sieve plate is adopted during dehydration, medium removal and desliming, and a long rectangular hole or a square hole is used during classification; a single-layer sieve, a double-layer sieve or a three-layer sieve is selected according to the specific conditions of the coal slime to be treated, so that a better dewatering effect can be achieved.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (6)
1. The utility model provides a three level dewatering device of large-scale raw coal, sets up on support (5) in the pit, its characterized in that: the vibration-damping support device comprises a screening machine main body (1), a vibration-damping support element (2) and a motor (3), wherein the screening machine main body (1) comprises side plates (101), a bottom plate (102), a cross beam (103), a screening plate (104), a vibration exciter (107), a first coupler (108), a transmission shaft (109) and a support end beam (110), the two side plates (101) are symmetrically arranged in a face-to-face mode, the bottom plate (102) and the screening plate (104) are connected between the bottoms of the two side plates (101), and the cross beam (103) is connected between the middle parts of the two side plates (101) to form a frame main body of the screening machine main body (1); the plurality of vibration exciters (107) are symmetrically arranged at the upper parts of the two side plates (101), the two paired vibration exciters (107) are connected through the first coupling (108) and the transmission shaft (109), the input ends of the vibration exciters (107) are connected to the output end of the motor (3), and the motor (3) is arranged on the bracket (5) through the motor support (4); the outer side of a side plate (101) of the screening machine main body (1) is symmetrically provided with four supporting end beams (110), the supporting end beams (110) are connected to the shock absorption supporting element (2), and the shock absorption supporting element (2) is arranged on the bracket (5); the left side of the screen (1) is low, the right side of the screen is high, the screen is inclined, and the discharge end (112) of the screen (1) is higher than the feed end (113).
2. The three-stage large-sized raw coal dewatering device according to claim 1, characterized in that: the inner side of the side plate (101) is provided with an inner reinforcing plate (105), the outer side of the side plate (101) is provided with a plurality of reinforcing ribs (106), and an outer reinforcing plate (111) is arranged between the reinforcing ribs (106).
3. The three-stage large-sized raw coal dewatering device according to claim 1, characterized in that: the damping support element (2) is a rubber spring, the support end beam (110) is connected to the top of the rubber spring through a hoop (6), and the bottom of the rubber spring is connected to the support (5).
4. The three-stage large-sized raw coal dewatering device according to claim 1, characterized in that: the input shaft of the vibration exciter (107) is connected to the output shaft of the motor (3) through a second coupler (7), the second coupler (7) is in a mode of specifically adopting a tire type coupler or a belt flange butt joint, and the motor (3) is specifically adopting a four-stage motor.
5. The three-stage large-sized raw coal dewatering device according to claim 1, characterized in that: the sieve plate (104) specifically adopts a stainless steel welding sieve plate or a polyurethane sieve plate, and the sieve pores of the sieve plate (104) adopt strip seams, long rectangular holes or square holes.
6. The three-stage large-sized raw coal dewatering device according to claim 5, characterized in that: the sieve plate (104) is a single-layer sieve, a double-layer sieve or a three-layer sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921548601.0U CN210220537U (en) | 2019-09-18 | 2019-09-18 | Large-scale tertiary dewatering device of raw coal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921548601.0U CN210220537U (en) | 2019-09-18 | 2019-09-18 | Large-scale tertiary dewatering device of raw coal |
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| CN210220537U true CN210220537U (en) | 2020-03-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672752A (en) * | 2020-04-26 | 2020-09-18 | 湖南湘德夏工机械设备制造有限公司 | Double-shaft dewatering screen and method for sand washing boat |
| CN115072957A (en) * | 2022-05-19 | 2022-09-20 | 华南机械制造有限公司 | Heavy high-frequency dewatering screen |
-
2019
- 2019-09-18 CN CN201921548601.0U patent/CN210220537U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672752A (en) * | 2020-04-26 | 2020-09-18 | 湖南湘德夏工机械设备制造有限公司 | Double-shaft dewatering screen and method for sand washing boat |
| CN115072957A (en) * | 2022-05-19 | 2022-09-20 | 华南机械制造有限公司 | Heavy high-frequency dewatering screen |
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Effective date of registration: 20201125 Address after: 453500 south side of Wanxiang road and east side of Jinsheng street, Yuanyang County industrial agglomeration zone, Xinxiang City, Henan Province Patentee after: HENAN HAIGUANG LANJUN MINE TECHNOLOGY Co.,Ltd. Address before: 453500 south side of Wanxiang road and east side of Jinsheng street, Yuanyang County industrial agglomeration zone, Xinxiang City, Henan Province Patentee before: HENAN HAIGUANG LANJUN MINE TECHNOLOGY Co.,Ltd. Patentee before: Tian Cuihai |