CN201534108U

CN201534108U - Air chamber jigging machine

Info

Publication number: CN201534108U
Application number: CN2009200092756U
Authority: CN
Inventors: 姚昆亮; 姚劲
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-22
Filing date: 2009-03-22
Publication date: 2010-07-28
Anticipated expiration: 2019-03-22

Abstract

The utility model discloses an air chamber jigging machine, which comprises an air chamber formed by a sealed container with variable volume and shape. The air chamber is installed below a sieve plate and is connected with a compressed air source through an air inlet valve and is connected with atmosphere through an exhaust valve. The air chamber is made of waterproof materials. The coal dressing steps of the air chamber jigging machine comprise the following steps: (1) opening the air inlet valve and closing the exhaust valve; (2) injecting compressed air into the air chamber through the air inlet valve; (3) the air chamber being expanded and water level rising; (4) closing the air inlet valve and opening the exhaust valve; and (5) under the effect of water pressure, air in the air chamber being squeezed out and being exhausted to the atmosphere, the air chamber being squeezed to be flat and the water level dropping. The utility model has the advantages that the situation of water breakout is avoided, the air exhausted by the exhaust pipe does not carry coal slurry water, the equipment reliability is improved, the environmental pollution is reduced, even pulsation can be obtained along the width direction of the jigging machine and the goal of upsizing the jigging machine is reached.

Description

A kind of air chamber jigging machine

Affiliated technical field

The utility model relates to a kind of cleaning unit, especially relates to a kind of air chamber jigging machine.

Background technology

At present, the domestic and international coal separation jigging machine that uses, contained just like 196～226 pages of " mineral dressing " books that in October, 2002 second impression of publishing house of China Mining University is published, " 329～435 pages of contained air pulsating jigs of coal separation handbook one book of publishing in April, 1993 of Chinese coal industry publishing house and for example, all be to adopt the fixed air chamber, the coal separation jigging machine is divided into sieve side air chamber with air chamber at present, sieve is air chamber and compound air chamber down, they all are to utilize U-shaped pipe principle, Fig. 1 sieves side (side drum-type) air chamber jigging machine air and applies the pressure of pulsation in U-shaped pipe one side from U-shaped pipe one side (air chamber side), the ascending current that obtains pulsing at opposite side (jigging chamber side), ascending current passes sieve plate and agitates sieve, thereby make sieve plate agitate the material loosening on the sieve to make material, reach the purpose of sorting by density stratification.Fig. 2 batac jig is that air chamber is contained in the sieve plate bottom after the distortion of U-shaped pipe; Compound air chamber is both combinations.If the air chamber height is too little, cause the vertical Wave Height Distribution inequality of sieve plate, air pressure is excessive simultaneously, and the air air chamber of scurrying out destroys bed; If the air chamber height is too big, the loss of current static pressure also strengthens, and influences layered effect; When the air chamber evacuation time long, air chamber can be submerged even water is discharged, therefore common jigging machine common drawback is: must exist air to contact the interface that forms water and air with water, thereby the air of discharging through air bleeding valve inevitably has black water, cause the air-valve water spray, influence the action of valve, reduced the reliability of equipment, cause environment pollution simultaneously; Jigging chamber is agitated the current inequality, the coal separation weak effect.Air chamber is oversize at the jigging chamber width, and current earlier downwards, separately upwards unite two into one after air chamber is discharged at last again, and resistance to water-flow strengthens, and ascending current is had some setbacks; Air chamber is undersized at the jigging chamber width, the flow fluctuation insufficient height, more than two kinds of situations all also can influence layered effect.Common jigging machine air chamber shaped upper part is cusp configuration or pinnacle circular arc, sidewall is upright or circular arc, herringbone deflector mechanism must be established in the air chamber bottom, lambdoid both wings deflector will manufacture and design by streamlined, more smooth and easy in the time of just making herein converting motion direction of current, so the jigging chamber complex structure, design, manufacturing difficulty.

The utility model content

Technical problem to be solved in the utility model provides a kind of air chamber jigging machine cleaning unit and the method that empty G﹠W can be isolated, reach the air of discharging and do not carry black water through blast pipe, thereby make valve both be operated in clean environment, improve equipment dependability, reduce environmental pollution simultaneously again.

Second technical problem to be solved in the utility model provides a kind of air impulsive motion cleaning unit that jigging machine can be maximized.

For solving the problems of the technologies described above, the technical solution of the utility model is: air chamber jigging machine of the present utility model comprises: air chamber, intake valve, air bleeding valve, compressed air source, inlet channel, exhaust passage, described air chamber is installed under the sieve plate, constitute by the airtight container that can change volume and shape, link to each other with compressed air source by intake valve, link to each other with atmosphere by air bleeding valve.

Air chamber is made by material impervious to water; Material impervious to water adopts flexible material to make; Flexible material is made by rubber or plastics.The shape of air chamber can be the revolving body or the polyhedron of different shape.

Air chamber jigging machine coal separation step is as follows:

(1) INO, exhaust valve closure;

(2) compressed air source injects by intake valve and is installed under the sieve plate, in the air chamber that is made of the airtight container that can change volume and shape;

(3) air chamber expands, and water level rises;

(4) intake valve cuts out, and air bleeding valve is opened;

(5) under the pressure action of water, the air in the air chamber is extruded and enters atmosphere, and air chamber is squeezed flat, and water level descends.

Adopt jigging machine of the present utility model, air chamber is installed in the sieve plate bottom, substitute the air chamber of fixed volume with the air chamber of the airtight container formation that can change volume and shape.During inflation, INO, exhaust valve closure, air chamber squeezes the water around opening, and air chamber expands and causes water level to rise; During exhaust, intake valve cuts out, and air bleeding valve is opened, and the air under the pressure action of water in the air chamber is extruded and enters atmosphere, air chamber is squeezed flat, and this moment, air chamber took up space hardly, causes water level to descend, along with air chamber inflation and exhaust, form fluctuating flow, reach the purpose of washed coal.

Adopt jigging machine of the present utility model, do not have the disengagement surface, can avoid the air air chamber of scurrying out, cause the current magic flower, destroy the normal layering of jig bed; Can effectively avoid the phenomenon of metalling run out, reach the purpose of saving the water source and the energy.

Adopt jigging machine of the present utility model, take up space hardly after wherein said air chamber shrinks and can not influence sieve thing passage, the volume that air chamber designs in advance can be full of whole jigging chamber cross section, the section ratio of air chamber and jigging chamber can be near 1: 1 under the situation that does not increase device area, when satisfying jigging chamber and rise liquid level equally, liquid level difference is little, and needed blast is also little, thereby reaches the purpose of energy savings.

Adopt jigging machine of the present utility model, the fixed air chamber that no longer needs common jigging machine can change simple, the design, easy to manufacture of air chamber mechanism of the airtight container formation of volume and shape, and selection is extensive, low price, save material like this, reduce jigging machine design, manufacturing cost, the price of jigging machine reduces naturally, use cost also decreases, equipment fault greatly reduces, and therefore, can increase work efficiency again.

Adopt jigging machine of the present utility model and coal preparation method thereof, jigging machine whole height and band material gross weight, floor space are all significantly reduced than common jigging machine.

Adopt jigging machine of the present utility model, owing to adopted the air chamber jigging machine of the airtight container formation that can change volume and shape, air chamber supply position and direction, no longer be subjected to the restriction that common jigging machine air chamber must be above liquid level, it can be any direction, can make full use of the space, can and discharge a plurality of air chambers for large-scale jigging machine, simultaneously, the same distance air feed can guarantee the uniformity of flow fluctuation along the jigging machine width, can solve common jigging machine back broad ways this technical barrier of can't being pulsed uniformly that maximizes, thereby reach the purpose that jigging machine maximizes.

Description of drawings

Fig. 1 represents a kind of Baum jig structural representation

Fig. 2 represents a kind of batac jig structural representation

Structural representation when Fig. 3 represents a kind of jigging machine inflation that changes air chamber volume and shape

Structural representation when Fig. 4 represents a kind of jigging machine exhaust that changes air chamber volume and shape

Among the figure:

1, air chamber, 2. sieve plate, 3. waterline, 4. air water line of demarcation, 5, can change the air chamber surface of volume and shape

The specific embodiment

The utility model can provide the air pulsating jig of multiple pattern, and the air chamber jigging machine that constitutes in conjunction with the airtight container that can change volume and shape among the embodiment is done the further explanation of expansion:

Among Fig. 3,4, can change the air chamber jigging machine of the airtight container formation of volume and shape, it comprises common jig body and is installed in the air chamber 1 that can change volume and shape in the jigging chamber.The described air chamber that changes volume and shape is fluid-tight container, can make with the material of softness, also can make with rubber or plastics, be installed in below the sieve plate 2, stay a mouth to be connected, link to each other with compressed air source, link to each other with atmosphere by vent valve by intake valve with pipeline.The sieve plate top is a material bed for the treatment of sorting, and waterline 3 did not have bed.When the jigging machine exhaust valve closure, during INO, when compressed air entered air chamber 1, the water around expanding in water and force in air chamber surface 5 is upward through sieve plate made the bed on the sieve plate loose, and state is seen Fig. 3 after the air chamber air inlet; When intake valve cuts out, when air bleeding valve was opened, the gas in the air chamber was discharged from air bleeding valve under the compressing of water around, and air chamber surface 5 is crushed, and water level descends, and state is seen Fig. 4 after the air chamber exhaust, finishes a circulation this moment.Repeat above action by control inlet and outlet valve, just form the periodically pulsing current, thereby make the material that enters jigging machine, realize the purpose of sorting by density stratification.

The utility model discloses a kind of jigging machine that changes air chamber volume and shape; though more than enumerated less embodiment; but for those of ordinary skill in the art; some remodeling that the utility model is done, improvement, replacement etc.; perhaps above-mentioned embodiment is done any combination and is changed, and all drops within the protection domain of the present utility model.

Claims

1. air chamber jigging machine, comprise: air chamber, intake valve, air bleeding valve, compressed air source, inlet channel, exhaust passage, it is characterized in that described air chamber is installed under the sieve plate, constitute by the airtight container that can change volume and shape, link to each other with compressed air source by intake valve, link to each other with atmosphere by air bleeding valve.

2. the described air chamber jigging machine of claim 1 is characterized in that described air chamber made by impermeable material.

3. the described air chamber jigging machine of claim 2 is characterized in that described impermeable material adopts flexible material to make.

4. the described air chamber jigging machine of claim 3 is characterized in that described flexible material adopts rubber or plastics to make.

5. the described air chamber jigging machine of claim 1, the shape that it is characterized in that described air chamber can be the revolving body of different shape.

6. the described air chamber jigging machine of claim 1, the shape that it is characterized in that described air chamber can be the polyhedron of different shape.