CN109174428B - Jigging method for secondary regulation and control of pulsating water flow and jigger for implementing method - Google Patents
Jigging method for secondary regulation and control of pulsating water flow and jigger for implementing method Download PDFInfo
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- CN109174428B CN109174428B CN201811025079.8A CN201811025079A CN109174428B CN 109174428 B CN109174428 B CN 109174428B CN 201811025079 A CN201811025079 A CN 201811025079A CN 109174428 B CN109174428 B CN 109174428B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/02—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation
- B03B5/10—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation on jigs
- B03B5/12—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation on jigs using pulses generated mechanically in fluid
- B03B5/18—Moving-sieve jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/02—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation
- B03B5/10—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation on jigs
- B03B5/24—Constructional details of jigs, e.g. pulse control devices
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to a jigging method for secondarily regulating pulsating water flow and a jigger for realizing the method, which comprises the existing jigging and washing method and the existing jigger, wherein the jigging method comprises the following steps: secondary regulation and control are carried out on pulsating water flow between the air chamber and the sieve plate, so that the pulsating water flow passing through the bed layer is in the optimal working state for specific requirements; the jigger is additionally provided with the damping device and the steady flow area which can adjust and control parameters of pulsating water flow under the sieve plate of the existing jigger, so that targeted and individual and accurate adjustment of each section of a bed layer and a multi-section jigger is realized, the layering effect can be optimal, the sieve penetration loss is reduced, and the problems of large sieve penetration loss and the like which are puzzled in the industry for many years are solved.
Description
Technical Field
The invention relates to the field of separation devices, in particular to a jigging and washing method for secondarily regulating and controlling pulse water flow under a sieve and a jigging machine for realizing the method.
Background
The existing jiggers at home and abroad for many years, such as German Badk series, original Soviet's OM series, Japanese NU series, China X series, SKT series, YT series and the like, all use pulsating water flow generated by an air chamber to directly drive a material bed layer to move through a sieve plate, and have no any stabilizing and adjusting means or measure for the pulsating water flow in the middle. In use, under the condition that material beds are changeable, beds with different properties cannot work in the optimal state required by the beds; especially, when the jigging area is too large, the problems of unbalance of a local area, short circuit of a local bed layer, pipe flow of the bed layer, difficult control of operation, unsolvable through-sieve loss and the like can be caused; especially in a multi-section jigger, because the thicknesses, material structures, particle size ratios and weights of upper bed layers of different sections are different, the sizes or the heights of air intake are adjusted to adapt to different requirements by adjusting the air intake or the frequency or adopting different air pressures, and as a result, the problems can not be solved comprehensively; although the comprehensive effect of the jigger is ensured in use, the efficiency of each section cannot be comprehensively considered, so that the jigger and each section cannot reach the optimal state.
As for the jigger in the prior art, reference may be made to the contents recorded in "beneficiation science" compiled by xie guangyuan, published by china mining university press, the theory and practice of jigging coal, compiled by coal industry press, the jigging sorting mechanism and the research of expert knowledge base, compiled by kueli, published by china mining university press, and the authorization publications of chinese patents ZL021463018 and ZL 021568855.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a jigging washing method and a jigging machine for realizing the washing method, wherein the jigging machine can ensure that all areas of material beds on a sieve plate of the jigging machine and beds of each separation section can achieve a better separation state by secondarily regulating and controlling pulse water flow under the sieve, so that the phenomena of bed bubbling, short circuit, pipe flow and the like are reduced, the separation effect is improved, the recovery rate is improved, and the through-sieve loss is reduced.
The invention relates to a jigging method for secondarily regulating and controlling pulsating water flow, which comprises a washing method of the existing jigging machine, wherein the washing method comprises the following steps of: in the washing and selecting process, pulsating water flow is secondarily regulated and controlled between the air chamber and the sieve plate, and the pulsating water flow is rectified and stabilized in the whole area in the ascending or descending process, so that the pulsating water flow passing through the bed layer is in the best working state according to specific requirements, the best layering effect on the bed layer and each section of the multi-section jigger can be achieved, and the sieve-passing loss is reduced.
The invention relates to a jigging method for secondarily regulating and controlling pulsating water flow, which comprises the following steps: the damping parameters used on different sections in the multi-section jigger are different, the first section is the smallest, the second section is 1-4 times of the first section, the third section is 1-3 times of the second section, and each independent section can be individually and accurately adjusted according to actual production requirements, so that the screening effect of each section can reach the optimal state.
The invention relates to a jigging method for secondarily regulating and controlling pulsating water flow, which comprises the following steps: the damping device can be used only in partial sections for the material property requirement in the multi-section jigger.
The invention relates to a jigger for secondarily regulating pulsating water flow, which comprises the existing jigger, wherein: the damping device capable of adjusting pulsating water flow is additionally arranged below a sieve plate of the existing jigger, the jigger body is integrally heightened to a corresponding height, the area of the damping device is equal to that of the sieve plate, the damping device is the simplest damping plate with required damping quantity and required parameters obtained through overcurrent analysis simulation calculation, the damping device is arranged on the jigger body by a method for installing the sieve plate, the damping device is parallel to the sieve plate and is arranged below the sieve plate, and a full-area right cubic flow stabilizing chamber is formed between the damping device for pulsating water flow and the sieve plate.
The invention relates to a jigger for secondarily regulating and controlling pulsating water flow, which comprises the following components in part by weight: the under-screen damping device of the jigger is composed of two identical sieve plates, the two sieve plates are arranged in an up-and-down overlapping mode in a face-to-face mode and are parallel to the sieve plates of the jigger, one sieve plate is fixedly installed on a box body of the jigger, the other sieve plate is movably installed and is connected with a driving device, the movably installed sieve plates and the fixedly installed sieve plates can slide in a reciprocating mode in a plane after being installed, and the sliding adjusting range is smaller than the sieve aperture of the sieve plates.
The invention relates to a jigger for secondarily regulating and controlling pulsating water flow, which comprises the following components in part by weight: the under-screen damping device of the jigger consists of two sieve plates, the openings of the two sieve plates are staggered and parallel to the sieve plates of the jigger, one sieve plate is fixedly arranged, the other sieve plate is movably arranged and is connected with a driving device, the movably arranged sieve plate and the fixedly arranged sieve plate can vertically reciprocate, and the movement adjusting range is slightly smaller than the distance between the two plates.
The invention relates to a jigger for secondarily regulating and controlling pulsating water flow, which comprises the following components in part by weight: the under-sieve damping device of the jigger consists of a movably-installed sieve plate and aggregate, wherein the movably-installed sieve plate is parallel to the jigger sieve plate and is connected with a driving device, the movably-installed sieve plate can vertically reciprocate with the sieve plate, and the movement adjusting range is 100-500 mm. The particle size of the aggregate is larger than that of the sieve pores of the movable sieve plate, the aggregate is uniformly arranged above the movable sieve plate, and a certain gap is reserved between the aggregate and the sieve plate of the jigger.
The invention relates to a jigger for secondarily regulating and controlling pulsating water flow, which comprises the following components in part by weight: jigging machine undersize damping device comprises a sieve and an adjusting plate, the adjusting plate be equipped with sieve mesh equal quantity, the same conical body in center, the installation from top to bottom of two boards, the conical body is between two boards, and the clearance is a bit greater than conical body height, with the jigging machine sieve is parallel, its a fixed mounting, another movable mounting, one of them is connected with adjusting device, the movable mounting sieve can with fixed mounting sieve can perpendicular reciprocating motion, motion control range less than or equal to conical body height.
The invention relates to a jigger for secondarily regulating and controlling pulsating water flow, which comprises the following components in part by weight: the damping devices used on different sections in the multi-section jigger have different structures, and each independent section is of the most appropriate structure according to actual production requirements, so that the screening effect of each section can reach a better state.
The invention relates to a jigger for secondarily regulating and controlling pulsating water flow, which comprises an intelligent control system and is characterized in that: the jigger realizes intelligent adjustment and intelligent production of the damping device according to the real-time monitoring of the bed layer state in the production.
Drawings
FIG. 1 is a schematic structural diagram of a single-stage jig according to the present invention;
FIG. 2 is a schematic structural diagram of a three-stage jig according to the present invention;
in the figure:
1- -body; 2- -upper trough body; 3- -sieve plate; 4- -bed layer; 5-undersize damping device; 6- -fixed sieve plate; 7- -movable sieve plate; 8- -a drive device; 9-concentrate discharge port; 10- -discharge chute; 11- -a discharge wheel; 12-tailing discharge; 13- -air chamber; 14- -first section body; 15- -second section of the body; 16- -third body section; 17-first stage undersize damping means; 18-a second stage undersize damping device; 19- -third stage undersize damping device; 20-three jigger bodies.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
The first embodiment is as follows:
the jigging method for secondarily regulating and controlling the pulsating water flow comprises a washing and selecting method of the existing jigging machine, wherein the washing and selecting method comprises the following steps of: in the washing process, pulsating water flow is secondarily regulated and controlled between the air chamber 13 and the sieve plate 3, and the pulsating water flow is rectified and stabilized in the whole area in the ascending or descending process, so that the pulsating water flow passing through the bed layer is in the best working state according to specific requirements, the best layering effect on the bed layer and each section of the multi-section jigger can be achieved, and the sieve transmission loss is reduced.
Example two:
the invention relates to a jigging method for secondarily regulating pulsating water flow, which comprises the existing multistage jigging and washing method, wherein the jigging method comprises the following steps: the damping parameters used on different sections in the multi-section jigger are different, the first section is the smallest, the second section is 1-4 times of the first section, the third section is 1-3 times of the second section, and each independent section can be individually and accurately adjusted according to actual production requirements, so that the screening effect of each section can reach the optimal state.
Based on the same principle and method, the invention can also simplify the structure aiming at different requirements of material properties in the multi-section jigger, can only use the damping device in the required section, does not use other unnecessary sections, can also achieve the aims of improving the washing effect and reducing the through sieve and also achieve the aim of the invention.
Example three:
as shown in fig. 1, the present invention takes a jigger for single-stage coal separation by secondary regulation and control of pulsating water flow as an example, and includes the existing jigger, wherein: the under-sieve damping device 5 capable of adjusting the parameters of pulsating water flow is additionally arranged below the sieve plate 3, the jig machine body 1 is integrally heightened to have a corresponding height, the under-sieve damping device 5 is equal to the sieve plate 3 in size in area and is fixedly arranged on the jig machine body 1 by a method for installing the sieve plate in the same way, the under-sieve damping device 5 is parallel to the sieve plate 3 and is 50-500 mm away from the sieve plate below the sieve plate 3, and a full-area upright square body flow stabilization chamber is formed between the under-sieve damping device 5 and the sieve plate 3 and between the under-sieve damping device 5 and the jig machine body 1.
When the method works, firstly, a bed layer 4 is prepared and laid, water is filled, a system is started, and wind and water parameters are adjusted; after the normal operation is carried out, in a jigging air inlet period, pulsating water flow generated by the air chamber 13 enters the flow stabilizing chamber through the undersize damping device 5, and the pulsating water flow qualified in pressure and volume regulation pushes the bed layer 4 to move upwards through the sieve plate 3, so that the stability of the bed layer is ensured; when entering a jigging exhaust period, the air chamber 13 exhausts and generates negative pressure, pulsating water flows back, water in the bed layer 4 flows back through the sieve plate 3 and enters the flow stabilizing chamber, and flows through rectification of the undersize damping device 5, the pulsating water flows back to the air chamber 13, the stability of the bed layer is ensured, and the phenomena of short circuit, pipe flow and the like are effectively avoided. The raw coal added from the upper tank body 2 completes the pulse jigging layering in the bed layer 4. Part of fine particles in the sorted lower heavy product are discharged from a tailing discharge port 12 through a sieve plate 3 and an undersize damping device 5; the sorted heavy products on the lower-layer sieve move forwards under the action of wind and water, and are discharged from a tailing discharge port 12 after passing through a tailing discharge channel 10 and a discharge wheel 11; the sorted upper layer light products move forward under the action of wind and water and are discharged through a concentrate discharge opening 9. Thereby completing the separation of raw coal and realizing the jigging and coal washing of the jigging machine for single-section coal separation by secondary regulation and control of pulse water flow under the screen.
Example four:
referring to fig. 2, the coal preparation jigger of the present invention, which is capable of secondarily regulating pulsating water flow and regulating three-stage undersize pulsating water flow, includes the existing three jiggers, and the shape, structure, materials used, functions, and methods of use of each stage (the first stage body 14, the second stage body 15, and the third stage body 16) of the jigger body 20 are as described in example 1. The difference is that in which: the undersize damping devices (the first undersize damping device 17; the second undersize damping device 18; the third undersize damping device 19) used on different sections of the three-section jigger have different damping parameters, the first section is the smallest, the second section is 1-4 times of the first section, the third section is 1-3 times of the second section, and each independent section can be adjusted according to actual production requirements, so that the screening penetrating effect of each section can reach the best state.
The working steps, method, principle and the like of the working of the embodiment are as described in the embodiment 1, except that each section can simultaneously achieve the best state according to the bed material requirement. Thereby better finishing the separation work of the raw coal and realizing the jigging and coal washing of the jigging machine for three-section coal separation which carries out secondary regulation and control on the pulse water flow under the screen.
Based on the same principle and method, the damping device with the structure and the function as shown in fig. 2 can be used on different sections of the multi-section jigger with different structures, and the most appropriate structure is adopted on each independent section according to the actual production requirement, so that the screen penetrating effect of each section can reach a better state, and the aim of the invention can also be achieved.
Based on the same principle and method, the invention can also realize the structure and the function as shown in figure 1 on a two-section or multi-section jigger, and the aim of the invention can also be achieved.
Example five:
based on the same principle and method, the structure and the function as shown in the figures 1 and 2 can be realized on the intelligent jigger for secondarily regulating and controlling the pulse water flow under the sieve in the invention, the intelligent jigger comprises an intelligent control system, and the intelligent regulation and the intelligent production of the damping device are realized by the jigger according to the real-time monitoring of the bed layer state in the production.
Example six:
the jigger for secondarily regulating and controlling the undersize pulsating water flow comprises the existing jigger, wherein an undersize damping device 5 of the jigger consists of two identical sieve plates 3, each sieve plate 3 consists of a sieve sheet, a reinforcing frame and a driving device 8, sieve holes in the sieve sheets can be round or in other shapes, the pore diameter of each sieve hole is 20mm to 100mm, the sieve sheets are made of carbon steel, stainless steel or other materials, the thickness of each sieve hole is 3-10mm, and the reinforcing frame is made of conventional structures, sizes and materials and is fixedly connected with the sieve sheets by a conventional method; the two sieve plates 3 are arranged in an up-down overlapped mode in a face-to-face mode, the gap is 1mm-50mm, the two sieve plates are parallel to the sieve plates of the jigger, one sieve plate is fixedly installed on a box body of the jigger by a conventional method, the other sieve plate (a plurality of sieve plates can be installed in a slide way when needed) in a movable mode, the movable sieve plate 7 is connected with a driving device 8, the driving device 8 is a conventional device and can be driven manually or electrically, hydraulically, pneumatically or in other modes, the movable sieve plate 7 and the fixed sieve plate 6 can slide in a plane reciprocating mode after being installed, and the sliding adjusting range is smaller than the sieve aperture of the sieve plates. After the device is installed, the damping is minimum when the sieve pores of the two sieve plates 3 are vertically and fully aligned, the damping is maximum when the sieve pores of the two sieve plates 3 are vertically and fully staggered, and the minimum aperture after the staggering of the upper sieve plate and the lower sieve plate in the adjusting process is 2-3 times of the aperture of the main sieve plate of the jigger. In the working process, the damping of the damping device 5 is adjusted by the driving device 8 according to the requirement of large or small bed looseness, so that the aim of the invention is achieved.
Example seven:
the jigger for secondarily regulating and controlling the undersize pulsating water flow mainly comprises the six embodiments, and is different in that the sieve holes of the two sieve plates 3 are staggered up and down, the movable sieve plate 7 is movably arranged in a slide way, the moving direction is vertical to the fixed sieve plate 6, the gap between the two sieve plates is 20-90 mm, the movable sieve plate 7 is connected with a driving device 8, the driving device is a conventional device and can be driven manually or electrically, hydraulically, pneumatically or otherwise, and the vertical moving range of the movable sieve plate 7 and the fixed sieve plate 6 is 50-300 mm. After the device is installed, the damping is minimum when the gap between the two sieve plates is maximum, the damping is maximum when the gap is minimum, and the damping can be adjusted by adjusting the distance between the upper sieve plate and the lower sieve plate in use. During working, the damping of the damping device is adjusted by the driving device according to the requirement of large or small bed looseness, so that the aim of the invention is achieved.
Example eight:
the jigger for secondarily regulating and controlling the undersize pulsating water flow mainly has the structure, parameters, materials, arrangement and using method as the seventh embodiment, and is different in that the undersize damping device 5 of the jigger consists of a movable sieve plate and loose aggregate or proper filler or an available dense device, the movable sieve plate 7 is parallel to the jigger sieve plate and is connected with a driving device, the movable sieve plate and the sieve plate can vertically reciprocate, and the movement regulating range is 50-500 mm. The aggregate material is stone or synthetic material or other materials, the particle size is larger than the sieve pores of the movable sieve plate, the aggregates are uniformly arranged above the movable sieve plate and can be checked and limited if necessary, and a gap of 50mm-200mm is reserved between the aggregates and the sieve plate of the jigger. The driving device is a conventional device and can be driven manually or electrically, hydraulically, pneumatically or by other means, and the vertical movement range of the movably-installed sieve plate and the sieve plate of the jigger is 50-500 mm. When the aggregate is dynamically used, the aggregate can pulsate under the action of pulsating water, when the activity is small, the compactness is high, the damping is high, when the activity is large, the compactness is low, the damping is low, and the damping can be adjusted by adjusting the distance between the upper sieve plate and the lower sieve plate in work. During working, the damping of the damping device is adjusted to be small or large by the driving device according to the requirement of large or small bed looseness, so that the same purpose is achieved.
Example nine:
the jigger for secondarily regulating and controlling the undersize pulsating water flow is mainly as in the seventh embodiment, except that circular holes are formed in one sieve plate, conical bodies are correspondingly changed into holes in the other sieve plate, the holes are concentrically arranged up and down, the damping is regulated by the depth of the conical bodies inserted into the circular holes, the gaps between the conical bodies are slightly larger than the height of the conical bodies, the movably-mounted sieve plate is connected with a driving device, the driving device is a conventional device and can be driven manually or electrically, hydraulically, pneumatically or by other means, and the vertical movement range of the movably-mounted sieve plate and the fixedly-mounted sieve plate is 50-100 mm. After the device is installed, the damping is maximum when the conical bodies of the two sieve plates are inserted into the sieve holes at the maximum depth, the damping is minimum when the conical bodies are inserted into the sieve holes at the minimum depth, and the damping can be adjusted by adjusting the distance between the upper sieve plate and the lower sieve plate in use. During working, the damping of the damping device is adjusted to be small or large by the driving device according to the requirement of large or small bed looseness, so that the same purpose is achieved.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications, improvements and combinations of the technical solutions of the present invention by those skilled in the art should fall within the protection scope of the present invention defined by the claims.
Claims (8)
1. The utility model provides a jigger to pulsating flow secondary regulation and control, includes organism, sieve, drive arrangement, air chamber and intelligence control system, its characterized in that: the damping device capable of adjusting pulsating water flow is additionally arranged below a sieve plate of the jigger, the jigger body is integrally heightened to a corresponding height, the area of the damping device is equal to that of the sieve plate, the damping device is a damping plate with required damping quantity and required parameters obtained through overcurrent analysis simulation calculation, the damping device is arranged on the jigger body by a method for installing the sieve plate, the damping device is parallel to the sieve plate and is arranged below the sieve plate, and a full-area right cubic flow stabilizing chamber is formed between the damping device for pulsating water flow and the sieve plate.
2. The jigger for secondarily regulating pulsating water flow according to claim 1, wherein: the under-screen damping device of the jigger is composed of two identical sieve plates, the two sieve plates are arranged in an up-and-down overlapping mode in a face-to-face mode and are parallel to the sieve plates of the jigger, one sieve plate is fixedly installed on a box body of the jigger, the other sieve plate is movably installed and is connected with a driving device, the movably installed sieve plate and the fixedly installed sieve plate can slide in a reciprocating mode in a plane after being installed, and the sliding adjusting range is smaller than the sieve aperture of the sieve plates.
3. The jigger for secondarily regulating pulsating water flow according to claim 1, wherein: the under-screen damping device of the jigger consists of two sieve plates, the openings of the two sieve plates are staggered and parallel to the sieve plates of the jigger, one sieve plate is fixedly arranged, the other sieve plate is movably arranged and is connected with a driving device, the movably arranged sieve plate and the fixedly arranged sieve plate can vertically reciprocate, and the movement adjusting range is slightly smaller than the distance between the two plates.
4. The jigger for secondarily regulating pulsating water flow according to claim 1, wherein: the under-sieve damping device of the jigger consists of a movably-installed sieve plate and aggregate, wherein the movably-installed sieve plate is parallel to the jigger sieve plate and is connected with a driving device, the movably-installed sieve plate and the sieve plate can vertically reciprocate, the movement adjusting range is 100-500 mm, the particle size of the aggregate is larger than that of sieve holes of the movable sieve plate, and the aggregate is uniformly arranged above the movable sieve plate and is spaced from the jigger sieve plate by a certain gap.
5. The jigger for secondarily regulating pulsating water flow according to claim 1, wherein: the damping device under the sieve of the jigger is composed of a sieve plate and an adjusting plate, wherein the adjusting plate is provided with conical bodies which have the same number with sieve holes of the sieve plate and the same center, the two plates are arranged up and down, the conical bodies are arranged between the two plates, the gap is slightly larger than the height of the conical bodies and is parallel to the sieve plate of the jigger, one of the conical bodies is fixedly arranged, the other conical body is movably arranged, one of the conical bodies is connected with an adjustable device, the movably arranged sieve plate and the fixedly arranged sieve plate can vertically reciprocate, and the movement adjusting range is smaller than or equal to the height of the conical bodies.
6. The jigger for secondarily regulating pulsating water flow according to claim 1, wherein: the jigger realizes intelligent adjustment and intelligent production of the damping device through an intelligent control system according to real-time monitoring of the bed layer state in production.
7. The jigging method using the jigger secondarily regulating pulsating water flow as claimed in any one of claims 1 to 6, wherein: in the washing and selecting process, pulsating water flow is secondarily regulated and controlled between the air chamber and the sieve plate, the pulsating water flow is rectified and stabilized in the whole area in the ascending or descending process, and the layering effect of the pulsating water flow passing through the bed layer on the bed layer in the optimal working state and each section of the multi-section jigger can be optimal.
8. The jigging method for secondarily regulating and controlling pulsating water flow according to claim 7, wherein: the multi-segment jigger only uses the damping devices in partial segments according to the material property requirements, and the damping parameters are the same or different.
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| CN201811025079.8A CN109174428B (en) | 2018-09-04 | 2018-09-04 | Jigging method for secondary regulation and control of pulsating water flow and jigger for implementing method |
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| CN201811025079.8A CN109174428B (en) | 2018-09-04 | 2018-09-04 | Jigging method for secondary regulation and control of pulsating water flow and jigger for implementing method |
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| CN109174428B true CN109174428B (en) | 2021-07-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2019294C1 (en) * | 1991-07-02 | 1994-09-15 | Басс Константин Маркович | Jigging machine |
| CN2251439Y (en) * | 1996-04-02 | 1997-04-09 | 王宏 | Jig organ with sieve side air chamber |
| JPH10262826A (en) * | 1997-03-25 | 1998-10-06 | Sanyo Electric Co Ltd | Electric pot |
| CN100387354C (en) * | 2006-04-04 | 2008-05-14 | 唐山易通科技开发有限公司 | Apparatus and method for wash separating coal by jump separation |
| CN101185912A (en) * | 2007-12-12 | 2008-05-28 | 唐山易通科技开发有限公司 | Torbanite washbox, coal separation system and coal separation method thereof |
| CN201855732U (en) * | 2010-08-30 | 2011-06-08 | 山东鑫佳选煤设备有限公司 | Sieve-side multi-wind-chamber reverse-plate type jigger |
| CN104668083B (en) * | 2015-03-06 | 2017-04-26 | 韦竟旖 | Coaxial reverse gravity bilateral dynamic compound concentrator |
| CN206082806U (en) * | 2016-08-31 | 2017-04-12 | 四川海山宇光建设工程集团有限公司 | Jigging machine current stabilizer |
| CN108393188A (en) * | 2018-03-01 | 2018-08-14 | 芜湖市海联机械设备有限公司 | A kind of trapezoidal washbox |
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Effective date of registration: 20210902 Address after: Room 3-3-1406-1, Zhongguancun energy and security science and Technology Park, building 3, No.16 Qinghua East Road, Haidian District, Beijing 100083 Patentee after: JINYITONG SCI.&TECH. BEIJING Co.,Ltd. Address before: 301800 Baodi Economic Development Zone, Baodi District, Tianjin (formerly Tianbao Industrial Park) Patentee before: JINYITONG (TIANJIN) INTELLIGENT EQUIPMENT Co.,Ltd. |