CN211836599U - Coal dressing circulating water purification device - Google Patents

Abstract

The utility model relates to a coal dressing circulating water purification device, which comprises a circulating water tank arranged between two tailing concentrated water tanks, a stainless steel bar seam screen arranged above the circulating water tank and a cleaning device arranged above the stainless steel bar seam screen, wherein the stainless steel bar seam screen is fixed above the circulating water tank, the two tailing concentrated water tanks respectively guide tailing water to the upper parts of the left end and the right end of the stainless steel bar seam screen through water channels, the upper end of the stainless steel bar seam screen is high, the lower end of the stainless steel bar seam screen is low in inclination, the cleaning device comprises a head electric roller, a tail roller, a conveying truss and a conveying belt with a scraping plate on the surface, the conveying truss is fixed on the edge of the circulating water tank, the conveying belt is connected between the head electric roller and the tail roller in an annular mode, the scraping plate corresponds to the screen surface of the lower end of the stainless steel bar slit screen, one end of the stainless steel bar slit screen is provided with the chute, and the chute corresponds to the discharge end of the conveying belt. The utility model discloses can stop the condition that takes off the sprinkler bead jam of medium sieve mesh and magnet separator, guarantee the normal clear of production.

Description

A kind of coal preparation circulating water purification device

technical field

The utility model belongs to the technical field of water purification devices, in particular to a coal preparation circulating water purification device.

Background technique

In the production of heavy medium coal preparation, due to more or less a certain amount of impurities in the circulating water, it is easy to block the medium removal screen and the water spray head of the magnetic separator, which makes the medium removal effect worse. Large losses, high ash content of clean coal, and increased number of unplanned shutdowns in production seriously affect the normal production. Therefore, there is an urgent need for a coal preparation circulating water purification device to purify the coal preparation circulating water, save water resources, and not block the separation screen and the water spray head of the magnetic separator, so as to ensure the normal production.

Utility model content

In order to solve the above technical problems, the utility model provides a coal preparation circulating water purification device, including a circulating water pool arranged between two tailings concentration pools, a stainless steel slit screen arranged above the circulating pool, and a stainless steel bar The cleaning device above the slot screen, the stainless steel slot screen is fixed above the circulating water pool through the screen frame, and the two tailings concentration pools respectively lead the tailings water to the top of the left and right ends of the stainless steel slot screen through the water channel. The upper end of the screen is high and the lower end is low incline. The cleaning device includes a head electric drum, a tail drum, a conveying truss and a conveyor belt with a scraper on the surface. The head electric drum and the tail drum are respectively connected to the two ends of the conveying truss. , the conveying truss is fixed on the edge of the circulating pool through the bracket, the conveyor belt is annularly connected between the head electric drum and the tail drum, the scraper corresponds to the screen surface of the lower end of the stainless steel slit screen, the One end of the stainless steel slot screen is provided with a chute, and the chute corresponds to the discharge end of the conveyor belt.

Preferably, the scraper is a V-shaped scraper, and the opening direction of the V-shaped scraper is consistent with the scraping direction, which is beneficial to improve the cleaning efficiency of the screen surface.

Preferably, the thickness of the screen surface of the stainless steel slot screen is 2.5mm, the width of the screen slot is 0.5mm, and the screen slot is inclined along the upper end of the stainless steel slot screen to the lower end, so as to facilitate the collection of impurities on the screen surface to the lower end, It is convenient for the cleaning device to clean up the impurities in time to ensure the purification efficiency. At the same time, the width of the screen gap is set to 0.5mm, which can ensure that the particle size of the impurities in the filtered circulating water is less than 1mm, so as not to block the separation screen holes and the water spray head of the magnetic separator. To ensure the normal operation of production.

Preferably, the upper and lower ends of the stainless steel slotted screen are respectively provided with baffles that are inclined upward and outward, so that the stainless steel slotted screen forms a trapezoidal screen with a large upper opening and a small lower opening. The tailings water is diverted and filtered, and at the same time, it is beneficial to prevent impurities from directly entering the circulating water pool below without being filtered.

The utility model also includes other components that can make the coal preparation circulating water purification device normally used, all of which are conventional technical means in the field. In addition, the devices or components not limited in the present invention all adopt conventional technical means in the field.

The utility model can easily filter the impurities in the tailings water by arranging the stainless steel slit screen inclinedly arranged above the circulating water pool, and with the cooperation of the cleaning device, the screen can be easily cleaned by the conveyor belt and the scraper on the conveyor belt. The impurities on the screen are cleaned up, so as to ensure the purification effect of the coal preparation circulating water. The impurities on the screen are collected by the chute through the cleaning device and then processed in a centralized manner, which is conducive to the comprehensive utilization of resources.

The beneficial effect of the utility model is that the structure is simple, the manufacture is convenient, the impurities exceeding 1mm in the circulating water can be filtered out effectively, the blocking of the sieve holes and the spray head of the magnetic separator can be prevented, and the labor intensity of the device maintenance can be reduced. The effect of de-intermediation is obviously improved, the normal production is ensured, and the production efficiency is improved.

Description of drawings

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

Figure 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic view of the cross-sectional structure along the line A-A in FIG. 1 .

Detailed ways

The present utility model will be clearly described below with reference to the accompanying drawings and specific embodiments in the embodiments of the present utility model, and the description here is only used to explain the present utility model, but is not intended to limit the present utility model. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., shall be included in the protection of the present invention. within the range.

Example

As shown in Figures 1-2, the utility model provides a coal preparation circulating water purification device, including a circulating water pool 2 arranged between two tailings concentration pools 1, and a stainless steel slit screen arranged above the circulating water pool 2. 3 and the cleaning device 4 arranged above the stainless steel slit screen, the stainless steel slit screen 3 is fixed on the top of the circulating water tank 2 through the screen frame 3-1, and the two tailings concentration pools 1 respectively lead the tailings water through the water channel 5. To the top of the left and right ends of the stainless steel slot screen 3, the upper end of the stainless steel slot screen 3 is high and the lower end is low inclined, and the cleaning device 4 includes a head electric drum 4-1, a tail drum 4-2, a conveying truss ( (not shown in the figure) and a conveyor belt 4-4 with a scraper 4-3 on the surface, the head electric drum 4-1 and the tail drum 4-2 are respectively connected to both ends of the conveying truss, and the conveying truss passes through The bracket is fixed on the pool edge of the circulating water pool 2, the conveyor belt 4-4 is annularly connected between the head electric drum 4-1 and the tail drum 4-2, the scraper 4-3 is connected to the lower end of the stainless steel slit screen 3 Corresponding to the screen surface of the stainless steel slit screen 3, a chute 3-2 is provided at one end of the stainless steel slit screen 3, and the chute 3-2 corresponds to the discharge end of the conveyor belt 4-4. The scraper 4-3 is a V-shaped scraper, and the opening direction of the V-shaped scraper is consistent with the scraping direction, which is beneficial to improve the cleaning efficiency of the screen surface. The thickness of the screen surface of the stainless steel slit screen 3 is 2.5mm, and the width of the screen slit is 0.5mm. The cleaning device 4 cleans the impurities in time to ensure the purification efficiency. At the same time, the width of the screen gap is set to 0.5mm, which can ensure that the particle size of the impurities in the filtered circulating water is less than 1mm, so as not to block the separation screen holes and the water spray head of the magnetic separator. To ensure the normal operation of production. The upper and lower ends of the stainless steel slit screen 3 are respectively provided with baffles 3-3 that are upward and outwardly inclined, so that the stainless steel slit screen 3 forms a trapezoidal screen with a large upper opening and a small lower opening. 3-3 It is convenient to conduct diversion and filtration of tailings water, and at the same time, it is beneficial to prevent impurities from directly entering the circulating water pool 2 below without being filtered.

The utility model can easily filter the impurities in the tailing water by arranging the stainless steel slit screen 3 inclinedly arranged above the circulating water pool 2, and with the cooperation of the cleaning device 4, it can easily pass through the conveyor belts 4-4 and the conveyor belt 4. The scraper 4-3 on the -4 cleans the impurities on the screen, so as to ensure the purification effect of the coal preparation circulating water. Conducive to the comprehensive utilization of resources.

Embodiments of the present invention have been described above, and the foregoing description is exemplary, not exhaustive, and not limiting of the disclosed embodiments. Numerous modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (4)

1. A coal dressing circulating water purifier which characterized in that: including establishing the circulation pond between two tailing concentrated ponds, establishing the stainless steel strip slit sieve in circulation pond top and establishing the cleaning device in stainless steel strip slit sieve top, the stainless steel strip slit sieve passes through the bank of screens to be fixed in circulation pond top, and two tailing concentrated ponds lead the top at two ends about the stainless steel strip slit sieve through the ditch respectively with the tailing water, the high, the low slope setting of lower extreme in stainless steel strip slit sieve upper end, cleaning device include head electric drum, afterbody cylinder, carry the conveyer belt that truss and surface were equipped with the scraper blade, head electric drum and afterbody cylinder are connected respectively at the both ends of carrying the truss, carry the truss to pass through the support to be fixed on the pool edge in circulation pond, conveyer belt annular connection is between head electric drum and afterbody cylinder, the scraper blade is corresponding with the screen cloth face of stainless steel strip slit sieve lower extreme, one end of the stainless steel bar slot screen is provided with a chute, and the chute corresponds to the discharge end of the conveyor belt.

2. The coal preparation circulating water purification device according to claim 1, characterized in that: the scraper blade is V-arrangement scraper blade, and the opening direction of V-arrangement scraper blade is unanimous with the scraper material direction.

3. The coal dressing circulating water purification device of claim 2, characterized in that: the screen surface thickness of stainless steel strip slotted screen is 2.5mm, and the screen slot width is 0.5mm, the screen slot is along the upper end of stainless steel strip slotted screen to the lower extreme slope.

4. The coal dressing circulating water purification device of claim 3, characterized in that: the stainless steel strip slotted screen is characterized in that the upper end edge and the lower end edge of the stainless steel strip slotted screen are respectively provided with a baffle plate which inclines upwards and outwards, so that the stainless steel strip slotted screen forms a trapezoidal screen with a large upper opening and a small lower opening.

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