CN103586197A - High-frequency linear slurry vibrating screen and coal slurry treatment process utilizing same - Google Patents
High-frequency linear slurry vibrating screen and coal slurry treatment process utilizing same Download PDFInfo
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- CN103586197A CN103586197A CN201310511258.3A CN201310511258A CN103586197A CN 103586197 A CN103586197 A CN 103586197A CN 201310511258 A CN201310511258 A CN 201310511258A CN 103586197 A CN103586197 A CN 103586197A
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Abstract
The invention discloses a high-frequency linear slurry vibrating screen and a coal slurry treatment process utilizing the same. The high-frequency linear slurry vibrating screen comprises a left side plate, a right side plate and an excitation beam, the excitation beam is transversely disposed between the left side plate and the right side plate and comprises a double-extension-shaft motor, a left transmission system and a right transmission system, the left transmission system and the right transmission system are arranged on two sides of the double-extension-shaft motor, the left transmission system comprises a left box and a left transmission shaft arranged in the left box, the left end and the right end of the left box are fixedly connected with the left side plate and the double-extension-shaft motor respectively, and the left transmission shaft is coaxially connected with a left extension shaft of the double-extension-shaft motor. A vibrating motor is coaxial with the excitation beam, so that the vibrating screen can be ensured to only linearly vibrate in the lateral and vertical directions instead of twisting around a vertical shaft, and service life of the vibrating screen is prolonged by more than 15%.
Description
Technical field
The invention belongs to vibration screening machinery field, be specifically related to a kind of mud high frequency linear vibratory sieve and utilize its coal slime treatment process.
Background technology
High frequency shale shaker is the capital equipment of screening detailed catalogue sticky material, as to the recovery of coal slime, mine tailing and material, de-liquid, dewatering operation capital equipment, is widely used in the industries such as coal, oil, chemical industry, food, building materials.Conventional high frequency shale shaker mainly contains two kinds of structures: the first is that compass screen surface top is horizontal two excitation beam of vibrations, the two ends of every excitation beam of vibration connect respectively a vibrator or vibrating motor, as shown in Figure 1, its shortcoming is: the vibrator at same excitation beam of vibration two ends or the vibration frequency of vibrating motor and Oscillation Amplitude can not keep synchronous completely, make screen frame in upper and lower, porpoise, also have the twisting around vertical axes, screen frame easily damages, service life low (about 2～2.5 years).The second is that compass screen surface top is horizontal two excitation beam of vibrations, one end of every excitation beam of vibration connects a vibrator or vibrating motor, as shown in Figure 2, its shortcoming is: for keeping the balance of whole high frequency shale shaker, two kinds of conventional design are: (1) fixes vibrator or vibrating motor on the ground, by belt, drive excitation beam of vibration, vibratory sieve takes up room greatly; (2), at the other end assembling balancing weight of every excitation beam of vibration, increased the complete machine weight of load and the vibratory sieve of vibrator or vibrating motor.
For making up above-mentioned deficiency, Chinese invention patent CN103272763A discloses a kind of double amplitude supporting high frequency linear vibratory sieve, mainly by screen frame, compass screen surface, vibrator and vibration damping support device, formed, screen frame is by biside plate, discharge gate, screen bracket, rear plate washer, walking beam and crossbeam, through hooked riveting with lock rivet together; Walking beam is arranged on the sieve box side plate of compass screen surface top, two vibrators or vibrating motor are arranged on the level at walking beam middle part and do on plate with vertical vibrator, the axial line of two vibrators or vibrating motor is vertical with side plate, and vibration force action line is by the center of gravity of screen box.The present invention has that vibration frequency is high, oscillation intensity and the feature such as material screening production capacity is large.
Chinese utility model patent CN203030509U discloses a kind of vibratory sieve, include the sieve nest at bottom mounted sieve, this sieve nest is located on four groups of vertical isolation springs through being arranged on four bearings of sieve nest both sides, on the top of sieve nest, be provided with an excitation beam of vibration that crosses this sieve nest, a pair of vibrator is installed on described excitation beam of vibration, each vibrator has a pair of and stretches spindle motor, in the two axial ends of double extension shaft motor, one eccentric block is installed respectively.The utility model can make electrodeless adjustment in the scope of design of vibratory sieve treating capacity from 0 to 100% in non-stop-machine situation, and what guarantee to produce carries out continuously.
Chinese utility model patent CN200984555Y discloses a kind of straight-line oscillation high-frequency screen, comprise exciting device and screen frame, screen frame is established by elastic device is outstanding, two ends and the screen frame of exciting device are fixed together, and two vibrating motors are arranged on the side position of exciting device and drive exciting device with mutually perpendicular position.The utility model compact conformation, long service life; The large I of amplitude directly regulates, and easy to operate, treating capacity is large, and operating efficiency is high.
Above-mentioned patent is all arranged on vibrator or vibrating motor the middle part of excitation beam of vibration, and every high frequency shale shaker only configures the vertically disposed vibrator of two-phase or vibrating motor, number of motors reduces, and reduces costs, dwindle installing space, and vibratory sieve no longer twists around vertical axes.But the vibratory sieve of said structure still has following shortcoming: it is very difficult by the center of gravity of screen box that (1) is adjusted to its vibration force action line by the displacement of two vibrators or vibrating motor position, weighting block and weight; (2) because of the axis of vibrator or vibrating motor not with the dead in line of excitation beam of vibration, so the vibration force of vibrator or vibrating motor except making screen frame straight-line oscillation, also makes screen frame rotate around excitation beam of vibration axis, if amount of spin is excessive, can accelerate the damage of screen frame, shorten the service life of vibratory sieve.
Summary of the invention
The object of the invention be to provide a kind of only have before and after, upper and lower straight-line oscillation, the mud high frequency linear vibratory sieve of long service life and utilize its coal slime treatment process.
For achieving the above object, the technical solution used in the present invention is: a kind of mud high frequency linear vibratory sieve, comprise left plate, right plate, be horizontally placed on a described left side, excitation beam of vibration between right plate, described excitation beam of vibration comprises double extension shaft motor, described excitation beam of vibration also comprises Left Drive system and the right legacy system of being located at described double extension shaft motor both sides, described Left Drive system comprises left box body and is located at the Left Drive axle in this left box body, a left side for described left box body, right-hand member is fixedly connected with double extension shaft motor with left plate respectively, described Left Drive axle is coaxially connected with the left projecting shaft of double extension shaft motor,
Described right transmission system comprises right case and be located at the right power transmission shaft in this right case, and the left and right end of described right case is fixedly connected with right plate with double extension shaft motor respectively, and described right power transmission shaft is coaxially connected with the right projecting shaft of double extension shaft motor.
Above-mentioned mud high frequency linear vibratory sieve also comprises that screen bracket, screen cloth and complex root be located at the crossbeam between described left and right side plate, and described left plate, right plate and crossbeam are provided with described screen cloth is pressed solidly to the hold down gag on described screen bracket.
In technique scheme, be provided with two described excitation beam of vibrations between described left and right side plate, described left and right transmission system is symmetrical with respect to described double extension shaft motor.
In technique scheme, described Left Drive system also comprises two eccentric wheels that are sheathed on Left Drive axle left end.
In technique scheme, the right-hand member of the Left Drive axle of described Left Drive system is coaxially connected with the left projecting shaft of described double extension shaft motor by plum blossom star shaft coupling.
In technique scheme, the left box body of described Left Drive system is connected and is formed by left avertence heart wheel casing and left middle housing left and right, the first member plate of described left avertence heart wheel casing is provided with clutch shaft bearing seat, the first member plate of described left middle housing is provided with the second bearing block, and Left Drive axle is supported on described clutch shaft bearing seat and the second bearing block by two bearings.
In technique scheme, described double extension shaft motor comprises motor housing, is located at stator, rotor in this motor housing, and the left projecting shaft and the right projecting shaft that are fixed on two ends of rotor.
Further technical scheme, eccentric at least one of them adjustable-angle described in two.
In technique scheme, on described clutch shaft bearing seat, be fixed with clutch shaft bearing lid, on described the second bearing block, be fixed with the second bearing cap, between described Left Drive axle and described clutch shaft bearing lid and described the second bearing cap, be equipped with O RunddichtringO.
In technique scheme, between the first member plate of described Left Drive axle and described left avertence heart wheel casing and described the second bearing block, be equipped with O RunddichtringO.
The present invention also provides a kind of coal slime treatment process that utilizes above-mentioned mud high frequency linear vibratory sieve, comprises the steps:
(1) raw coal washing: raw coal is divided into middle coal and cleaned coal black water through jigging machine choosing;
(2) coal slime is concentrated: the cleaned coal black water in step (1) becomes the one-level cleaned coal coal slime into concentration >=50% with concentrate cyclone secondary concentration through thickener;
(3) high frequency linear bolting: step (2) gained cleaned coal coal slime through feed box equably full duration feed the screen cloth of high frequency linear vibratory sieve, be separated into the upper cleaned coal of sieve and the lower coal slime of sieve;
(4) dehydration, storage: on described sieve, cleaned coal is delivered to cleaned coal feed bin after dewatering, being dried;
(5) enter a concentration adjustment: under described sieve, coal slime dewatering stirs into the secondary cleaned coal coal slime into concentration >=50%;
(6) repeating step (3)～(5) N-1 time, to the solid contents of N level cleaned coal coal slime be 10～20%;
(7) dehydration: described N level cleaned coal coal slime is sent into after filter press dehydration, and cleaned coal is sent into cleaned coal feed bin, and water circulation is used, and completes coal slime processing procedure one time.
Wherein, in described step (3) and described step (6), repeatedly the order number of the screen cloth of high frequency linear vibratory sieve used successively becomes greatly during repeating step (3), and the grid of screen cloth is more and more closeer.
Preferably, in described step (7), filter press used is plate and frame filter press, and high frequency linear vibratory sieve and plate and frame filter press are combined use, can all reclaim the dry coal in coal slime, the water closed cycle in coal slime.
Because technique scheme is used, the present invention compared with prior art has following advantages:
1. vibrating motor of the present invention is coaxial with excitation beam of vibration, can guarantee only straight-line oscillation on front and back, above-below direction of vibratory sieve, and not around the twisting of vertical pivot, extends more than 50% the service life of vibratory sieve.
2. every excitation beam of vibration of the present invention is driven by a vibrating motor, drives the vibratory sieve of an excitation beam of vibration with respect to 2 traditional motors, and its number of motors reduces, cost, electric energy saving 50%.
3. the part such as motor stator of the present invention, rotor, power transmission shaft, eccentric wheel is not all exposed to outside, can not be subject to the impact of black water, and each driving member can be worked in dry, dustless environment, safe and reliable, long service life.
Accompanying drawing explanation
Fig. 1 is the partial structurtes schematic diagram of existing the first high frequency shale shaker in background technology of the present invention;
Fig. 2 is the partial structurtes schematic diagram of existing the second high frequency shale shaker in background technology of the present invention;
Fig. 3 is the structural representation of excitation beam of vibration in the embodiment of the present invention one;
Fig. 4 is the structural representation of double extension shaft motor in embodiment mono-;
Fig. 5 is the structural representation of motor housing in embodiment mono-;
Fig. 6 is the structural representation of Left Drive axle in embodiment mono-;
Fig. 7 is the structural representation of left middle housing in embodiment mono-;
Fig. 8 is the structural representation of left avertence heart wheel casing in embodiment mono-;
Fig. 9 is the structural representation of variable eccentric in embodiment mono-;
Figure 10 is the structural representation of clutch shaft bearing lid in embodiment mono-;
Figure 11 is the structural representation of the second bearing cap in embodiment mono-;
Figure 12 is the structural representation of plum blossom star shaft coupling in embodiment mono-;
Figure 13 is the partial structurtes schematic diagram of the embodiment of the present invention one;
Figure 14 is the structure enlarged drawing of hold down gag in embodiment mono-;
Figure 15 utilizes the embodiment of the present invention one to process the process chart of coal slime.
Wherein: 1, double extension shaft motor; 10, motor housing; 11, left projecting shaft; 12, right projecting shaft; 2, Left Drive system; 20, Left Drive axle; 21, left avertence heart wheel casing; 22, left middle housing; 23, clutch shaft bearing seat; 24, the second bearing block; 25, clutch shaft bearing lid; 26, the second bearing cap; 3, right transmission system; 30, right power transmission shaft; 4, left plate; 5, right plate; 6, eccentric wheel; 7, plum blossom star shaft coupling; 8, screen cloth; 9, crossbeam; 100, hold down gag.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment mono-: shown in Figure 13, a kind of mud high frequency linear vibratory sieve, two excitation beam of vibrations, screen bracket, screen cloth 8 and the complex root that comprise left plate 4, right plate 5, be horizontally placed between left side plate are located at the crossbeam 9 between left and right side plate, and described left plate 4, right plate 5 and crossbeam 9 are provided with described screen cloth 8 is pressed solidly to the hold down gag 100 (structure is shown in Figure 14) on described screen bracket.
As shown in Figure 3, described excitation beam of vibration comprises double extension shaft motor 1, is located at Left Drive system 2 and the right legacy system 3 of described double extension shaft motor 1 both sides, described double extension shaft motor 1 comprises motor housing 10, be located at stator, rotor in this motor housing 10, and the left projecting shaft 11 and the right projecting shaft 12 that are fixed on two ends of rotor, see Fig. 4 and Fig. 5.
Described Left Drive system comprises left box body and is located at the Left Drive axle 20 (structure is as Fig. 6) in this left box body, the left and right end of described left box body is fixedly connected with double extension shaft motor 1 with left plate 4 respectively, and described Left Drive axle 20 is coaxially connected with the left projecting shaft 11 of double extension shaft motor 1.
Described right transmission system 3 comprises right case and be located at the right power transmission shaft 30 in this right case, and the left and right end of described right case is fixedly connected with right plate 5 with two secondary spindle motors 1 respectively, and described right power transmission shaft 30 is coaxially connected with the right projecting shaft 12 of double extension shaft motor 1.
In the present embodiment, described Left Drive system 2 and right transmission system 3 are symmetrical with respect to described double extension shaft motor 1, take Left Drive system 2 below as example, and its structure is further described.
As shown in Figure 3, described left box body is connected and is formed by left avertence heart wheel casing 21 (structure is as Fig. 8) and left middle housing 22 (structure is as Fig. 7) left and right, the left end of described left avertence heart wheel casing 21 is fixedly connected with described left plate 4, the right-hand member of described left middle housing 22 is fixedly connected with the left end of described motor housing 10, and the right-hand member of described Left Drive axle 20 is coaxially connected with the left projecting shaft 11 of double extension shaft motor 1 by plum blossom star shaft coupling 7 (structure is as Figure 12).
The first member plate of described left avertence heart wheel casing 21 is provided with clutch shaft bearing seat 23, and the first member plate of described left middle housing 22 is provided with the second bearing block 24, and Left Drive axle is supported on described clutch shaft bearing seat 23 and the second bearing block 24 by two radial roller bearings.
On described clutch shaft bearing seat 23, be fixed with clutch shaft bearing lid 25 (structure is as Figure 10), be fixed with the second bearing cap 26 (structure is as Figure 11) on described the second bearing block 24, described clutch shaft bearing seat 23 is identical with the second bearing block 24 structures, and size is different.
Between described Left Drive axle 20 and described clutch shaft bearing lid 25 and described the second bearing cap 26, be equipped with O RunddichtringO.
Between the first member plate of described Left Drive axle 20 and described left avertence heart wheel casing 21 and described the second bearing block 24, be equipped with O RunddichtringO.
The left end of described Left Drive axle 20 is arranged with two eccentric wheels 6, one of them adjustable-angle, as shown in Figure 9.Centrifugal force when high frequency linear vibratory sieve utilizes eccentric wheel rotation, realizes the straight-line oscillation on front and back, above-below direction.
The right transmission system 3 of the present embodiment one is with Left Drive system 2 with respect to double extension shaft motor 1 symmetry, and its detailed structure repeats no more.
Vibrating motor of the present invention is coaxial with excitation beam of vibration, can guarantee only straight-line oscillation on front and back, above-below direction of vibratory sieve, and not around the twisting of vertical pivot, extends more than 50% the service life of vibratory sieve.
As shown in figure 15, the embodiment of the present invention one also provides a kind of coal slime treatment process that utilizes above-mentioned mud high frequency linear vibratory sieve, comprises the steps:
(1) raw coal washing: raw coal is divided into middle coal and cleaned coal black water through jigging machine choosing;
(2) coal slime is concentrated: the cleaned coal black water in step (1) becomes the one-level cleaned coal coal slime into concentration >=50% with concentrate cyclone secondary concentration through thickener;
(3) high frequency linear bolting: step (2) gained cleaned coal coal slime through feed box equably full duration feed the screen cloth of high frequency linear vibratory sieve, be separated into the upper cleaned coal of sieve and the lower coal slime of sieve;
(4) dehydration, storage: on described sieve, cleaned coal is delivered to cleaned coal feed bin after dewatering, being dried;
(5) enter a concentration adjustment: under described sieve, coal slime dewatering stirs into the secondary cleaned coal coal slime into concentration >=50%;
(6) repeating step (3)～(5) N-1 time, to the solid contents of N level cleaned coal coal slime be 10～20%;
N in this step can determine according to the relevant parameter of day output and high frequency linear vibratory sieve;
Wherein, in described step (3) and described step (6), repeatedly the order number of the screen cloth of high frequency linear vibratory sieve used successively becomes greatly during repeating step (3), and the cleaned coal granularity of sieving out successively reduces, and the grid of screen cloth is more and more closeer.
(7) dehydration: described N level cleaned coal coal slime is sent into after plate and frame filter press dehydration, and cleaned coal is sent into cleaned coal feed bin, and water circulation is used, and completes coal slime processing procedure one time.
High frequency linear vibratory sieve and plate and frame filter press are combined use, can all reclaim the dry coal in coal slime, the water closed cycle in coal slime.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvement or replacement, these improvement or replacement also should be considered as protection scope of the present invention.
Claims (10)
1. a mud high frequency linear vibratory sieve, comprise left plate (4), right plate (5), be horizontally placed on a described left side, right plate (4, 5) excitation beam of vibration between, described excitation beam of vibration comprises double extension shaft motor (1), it is characterized in that: described excitation beam of vibration also comprises Left Drive system (2) and the right legacy system (3) of being located at described double extension shaft motor (1) both sides, described Left Drive system (2) comprises left box body and is located at the Left Drive axle (20) in this left box body, a left side for described left box body, right-hand member is fixedly connected with double extension shaft motor (1) with left plate (4) respectively, described Left Drive axle (20) is coaxially connected with the left projecting shaft (11) of double extension shaft motor (1),
Described right transmission system (3) comprises right case and is located at the right power transmission shaft (30) in this right case, the left and right end of described right case is fixedly connected with right plate (5) with double extension shaft motor (1) respectively, and described right power transmission shaft (30) is coaxially connected with the right projecting shaft (12) of double extension shaft motor (1).
2. mud high frequency linear vibratory sieve according to claim 1, it is characterized in that: also comprise that screen bracket, screen cloth (8) and complex root be located at the crossbeam (9) between left and right side plate, described left plate, right plate and crossbeam (9) are provided with described screen cloth (8) is pressed solidly to the hold down gag (100) on described screen bracket.
3. mud high frequency linear vibratory sieve according to claim 1, it is characterized in that: described left and right side plate (4,5) between, be provided with two described excitation beam of vibrations, described left and right transmission system (2,3) is symmetrical with respect to described double extension shaft motor (1).
4. according to the mud high frequency linear vibratory sieve described in claim 1 or 3, it is characterized in that: described Left Drive system (2) also comprises two eccentric wheels (6) that are sheathed on Left Drive axle (20) left end, and at least one of them adjustable-angle of eccentric wheel (6) described in two.
5. according to the mud high frequency linear vibratory sieve described in claim 1 or 3, it is characterized in that: the right-hand member of the Left Drive axle of described Left Drive system (2) is coaxially connected with the left projecting shaft of described double extension shaft motor (1) by plum blossom star shaft coupling (7).
6. according to the mud high frequency linear vibratory sieve described in claim 1 or 3, it is characterized in that: the left box body of described Left Drive system (2) is connected and is formed by left avertence heart wheel casing (21) and left middle housing (22) left and right, the first member plate of described left avertence heart wheel casing (21) is provided with clutch shaft bearing seat (23), the first member plate of described left middle housing (22) is provided with the second bearing block (24), and Left Drive axle (20) is supported on described clutch shaft bearing seat (23) and the second bearing block (24) by two bearings.
7. according to the mud high frequency linear vibratory sieve described in claim 1 or 3, it is characterized in that: described double extension shaft motor (1) comprises motor housing (10), be located at stator, rotor in this motor housing (10), and the left projecting shaft (11) and the right projecting shaft (12) that are fixed on two ends of rotor.
8. mud high frequency linear vibratory sieve according to claim 6, it is characterized in that: on described clutch shaft bearing seat (23), be fixed with clutch shaft bearing lid (25), on described the second bearing block (24), be fixed with the second bearing cap (26), between described Left Drive axle (20) and described clutch shaft bearing lid (25) and described the second bearing cap (26), be equipped with O RunddichtringO.
9. a coal slime treatment process that utilizes the mud high frequency linear vibratory sieve described in claim 1～8, is characterized in that: comprise the steps:
(1) raw coal washing: raw coal is divided into middle coal and cleaned coal black water through jigging machine choosing;
(2) coal slime is concentrated: the cleaned coal black water in step (1) becomes the one-level cleaned coal coal slime into concentration >=50% with concentrate cyclone secondary concentration through thickener;
(3) high frequency linear bolting: step (2) gained cleaned coal coal slime through feed box equably full duration feed the screen cloth of high frequency linear vibratory sieve, be separated into the upper cleaned coal of sieve and the lower coal slime of sieve;
(4) dehydration, storage: on described sieve, cleaned coal is delivered to cleaned coal feed bin after dewatering, being dried;
(5) enter a concentration adjustment: under described sieve, coal slime dewatering stirs into the secondary cleaned coal coal slime into concentration >=50%;
(6) repeating step (3)～(5) N-1 time, to the solid contents of N level cleaned coal coal slime be 10～20%;
(7) dehydration: described N level cleaned coal coal slime is sent into after filter press dehydration, and cleaned coal is sent into cleaned coal feed bin, and water circulation is used, and completes coal slime processing procedure one time.
10. coal slime treatment process as claimed in claim 9, is characterized in that: in described step (3) and described step (6), repeatedly the order number of the screen cloth of high frequency linear vibratory sieve used successively becomes large during repeating step (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310511258.3A CN103586197B (en) | 2013-10-25 | 2013-10-25 | The coal slime processing method of mud high frequency linear vibratory sieve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310511258.3A CN103586197B (en) | 2013-10-25 | 2013-10-25 | The coal slime processing method of mud high frequency linear vibratory sieve |
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| CN103586197B CN103586197B (en) | 2016-05-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803663A (en) * | 2021-03-03 | 2021-05-14 | 郑州轻工业大学 | Explosion-proof heavy vibration motor |
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| CN2780358Y (en) * | 2005-03-25 | 2006-05-17 | 潘德岐 | Particular tracing oscillating screen |
| CN1883812A (en) * | 2006-07-08 | 2006-12-27 | 枣庄矿业(集团)有限责任公司 | Raw coal sorting process |
| CN102114467A (en) * | 2010-12-14 | 2011-07-06 | 河南太行振动机械股份有限公司 | Double-shaft motor vibration exciter |
| CN203030509U (en) * | 2013-01-14 | 2013-07-03 | 秦皇岛优格玛工业技术有限公司 | Vibrating sieve |
| CN203526056U (en) * | 2013-10-25 | 2014-04-09 | 南通石油化工机械制造厂有限公司 | Vibration excitation beam of mud high-frequency linear vibrating screen |
| CN203526055U (en) * | 2013-10-25 | 2014-04-09 | 南通石油化工机械制造厂有限公司 | Mud high-frequency linear vibrating screen |
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2013
- 2013-10-25 CN CN201310511258.3A patent/CN103586197B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2780358Y (en) * | 2005-03-25 | 2006-05-17 | 潘德岐 | Particular tracing oscillating screen |
| CN1883812A (en) * | 2006-07-08 | 2006-12-27 | 枣庄矿业(集团)有限责任公司 | Raw coal sorting process |
| CN102114467A (en) * | 2010-12-14 | 2011-07-06 | 河南太行振动机械股份有限公司 | Double-shaft motor vibration exciter |
| CN203030509U (en) * | 2013-01-14 | 2013-07-03 | 秦皇岛优格玛工业技术有限公司 | Vibrating sieve |
| CN203526056U (en) * | 2013-10-25 | 2014-04-09 | 南通石油化工机械制造厂有限公司 | Vibration excitation beam of mud high-frequency linear vibrating screen |
| CN203526055U (en) * | 2013-10-25 | 2014-04-09 | 南通石油化工机械制造厂有限公司 | Mud high-frequency linear vibrating screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112803663A (en) * | 2021-03-03 | 2021-05-14 | 郑州轻工业大学 | Explosion-proof heavy vibration motor |
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