CN218530111U - Accumulated pulp flushing device for distribution box of dehydrator - Google Patents

Abstract

The utility model discloses a slurry flushing device for a distribution box of a dehydrator, which comprises a cyclone group connected with a slurry distribution box, the slurry distribution box is arranged at the lower end of the cyclone, and a vacuum dehydration belt conveyor The front end plays the role of collecting, filtering, and distributing the gypsum slurry from the cyclone into the vacuum dehydration belt conveyor. The slurry distribution box includes a box, and the upper end of the box is provided with a gypsum slurry inlet. The gypsum slurry A gypsum slurry outlet is arranged below the inlet, a filter is arranged between the gypsum slurry inlet and the gypsum slurry outlet, and a filter cleaning mechanism is arranged in the middle of the box. The filter screen is cleaned by setting the driving assembly to rotate the cleaning parts to prevent the gypsum slurry from coagulating on the filter screen, causing the filter screen to be blocked and unable to filter the gypsum slurry.

Description

A slurry flushing device for the distribution box of a dehydrator

technical field

The utility model relates to the technical field of flue gas desulfurization, in particular to a slurry flushing device for a distribution box of a dehydrator.

Background technique

The gypsum slurry formed in the slurry tank of the absorption tower is transported to the gypsum hydrocyclone station through the discharge pump of the absorption tower. The gypsum hydrocyclone contains multiple gypsum hydrocyclones, and the gypsum slurry is separated from solid and liquid by centrifugal cyclone . The thinner part of the gypsum slurry enters the overflow, and the overflow is transported to the concentrator for concentration, while the thicker slurry flows away from the bottom. The gypsum in the underflow passes through the gypsum slurry distribution box and then directly enters the secondary dehydration system. The residual gypsum slurry in the gypsum slurry distribution box is easy to condense on the inner wall of the discharge pipeline and the filter screen, which will have a negative impact on the delivery efficiency of the gypsum slurry distribution box.

Utility model content

Aiming at the problems existing in the prior art, the utility model provides a slurry flushing device for the distribution box of the dehydrator, which cleans the filter screen by setting the drive assembly to rotate the cleaning part, prevents the gypsum slurry from coagulating on the filter screen, and improves the quality of the gypsum product .

The utility model is realized through the following technical solutions:

A slurry flushing device for a distribution box of a dehydrator, including a cyclone group, the outlet of which is connected to the slurry distribution box, and the outlet of the slurry distribution box is connected to a vacuum dehydration belt conveyor;

The slurry distribution box includes a box body, a screen, a height adjustment assembly, a drive assembly and a cleaning part; the screen is arranged inside the box for filtering the slurry entering the box, and the height adjustment assembly is arranged at the bottom of the box. At the top, the drive assembly is connected to the height adjustment assembly, one end of the cleaning piece is connected to the drive assembly, and the other end extends into the box, and the height adjustment assembly is used to control the distance between the cleaning piece and the screen.

Preferably, the height adjusting assembly includes an adjusting device and a lifting plate, the adjusting device is arranged on the top of the box, the lifting plate is connected to the adjusting end of the adjusting device, and the driving assembly is arranged on the top of the lifting plate.

Preferably, the drive assembly includes a connecting rod, one side of the connecting rod is fixedly connected with a motor bracket, the motor bracket is connected with the driving motor, the output shaft of the driving motor is connected with a lifting rod, and the lower end of the lifting rod passes through the lifting plate and the box body The top surface of the lifting rod extends into the inside of the box body, and the lower end of the lifting rod is fixedly connected with the cleaning part.

Preferably, the cleaning member includes a brush holder and a cleaning brush, the brush holder is fixedly connected to the lower end of the lifting rod, and the cleaning brush is fixedly connected to the bottom of the brush holder.

Preferably, a spraying device is provided in the box, and the spraying device is connected to a water source, and the spraying device is used for injecting water into the box.

Preferably, the spray device includes a spray nozzle, the spray nozzle is connected to a spray pipe, and the spray pipe is connected to the water storage tank through a water pump.

Preferably, the slurry distribution box is also connected with a dilution device, which includes a dilution tank, a dilution pipeline is connected to the bottom of the dilution tank, and the dilution pipeline is connected to the slurry distribution box.

Preferably, the cyclone group includes a plurality of cyclones, the cyclones are used for dehydration and crystal classification of the gypsum slurry, and the underflow of the cyclones flows to the slurry distribution box by gravity.

Preferably, the top of the box is provided with a gypsum slurry inlet, and the bottom of the box is provided with a gypsum slurry outlet.

Preferably, a deflector is provided in the box for guiding the gypsum slurry to the gypsum slurry outlet.

Compared with the prior art, the utility model has the following beneficial technical effects:

The utility model provides a slurry flushing device for the distribution box of a dehydrator, which includes a cyclone group, the outlet of which is connected to the slurry distribution box, the outlet of the slurry distribution box is connected to the vacuum dehydration belt conveyor, and a screen is arranged in the slurry distribution box And the cleaning part, the cleaning part is connected with the height adjustment device through the driving component, and the position of the cleaning part is controlled by the height adjustment device, so as to realize the cleaning of the screen and prevent the gypsum slurry from coagulating on the filter screen, causing the filter screen to be blocked and unable to filter the gypsum slurry.

Further, a dilution device is connected to the slurry distribution box. When the density of the gypsum slurry is too high, the dilution device supplies the dilution liquid to the slurry distribution box. After the gypsum slurry is diluted to a certain degree, the fluidity increases, so that the gypsum slurry can be discharged smoothly.

Further, a deflector is provided in the box to guide the gypsum slurry passing through the screen, so that it enters the outlet of the gypsum slurry to avoid accumulation in the box.

Description of drawings

Fig. 1 is a flow chart of a slurry washing device at the distribution tank of the dewatering machine of the present invention;

Fig. 2 is an overall structural diagram of the slurry distribution box of the slurry flushing device at the distribution tank of the dehydrator of the present invention;

Fig. 3 is a structural diagram of a dilution device of a slurry flushing device at the distribution tank of a dehydrator according to the present invention.

In the figure: 1. Cyclone group; 2. Slurry distribution box; 3. Filter cleaning mechanism; 4. Driving device; 5. Height adjustment component; 6. Cleaning parts; 7. Spray nozzle; 8. Spray pipe ;9, water inlet pipe; 10, water pump; 11, water storage tank; 12, dilution device; 13, dilution tank; 14, dilution pipeline; 21, box body; 22, gypsum slurry inlet; 23, gypsum slurry outlet; 24 , filter screen; 41, connecting rod; 42, motor bracket; 43, drive motor; 51, electric telescopic rod; 52, lifting plate; 53, lifting rod; 61, brush holder; 62, cleaning brush.

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings, which is an explanation of the utility model rather than a limitation.

Referring to Figures 1-3, a slurry flushing device for the distribution box of a dehydrator includes a cyclone group 1 connected to a slurry distribution box 2, and the slurry distribution box 2 is arranged at the lower end of the cyclone , The front end of the vacuum dehydration belt conveyor plays the role of collecting, filtering and distributing the gypsum slurry from the cyclone into the vacuum dehydration belt conveyor.

The slurry distribution box 2 includes a box body 21, a gypsum slurry inlet 22 is arranged at the upper end of the box body 21, a gypsum slurry outlet 23 is arranged below the gypsum slurry inlet 22, and a gypsum slurry outlet 23 is arranged between the gypsum slurry inlet 22 and the gypsum slurry outlet 23. There is a filter screen 24, and the middle part of the box body 21 is provided with a filter screen cleaning mechanism 3, through which the small particles such as fly ash and limestone impurities in the gypsum slurry are filtered to prevent fly ash, limestone impurities and other small particles from entering the vacuum dehydration Belt conveyors affect the quality of gypsum products.

The filter screen cleaning mechanism 3 includes a driving assembly, a height adjusting assembly and a cleaning part; Set the drive assembly to rotate the cleaning part to clean the filter screen to prevent the gypsum slurry from coagulating on the filter screen, causing the filter screen to be blocked and unable to filter the gypsum slurry. The height adjustment component is used to adjust the distance between the cleaning part and the filter screen to make the cleaning part Can be attached to the filter for cleaning.

The height adjustment assembly includes an adjustment device and a lifting plate 52, the adjustment device is arranged on the top of the box body, the lifting plate 52 is connected with the adjustment end of the adjustment device, the height of the lifting plate is controlled by the adjustment device, and the driving assembly is arranged on the top of the lifting plate, During the adjustment process, the lifting plate drives the drive assembly to move, thereby realizing the height adjustment of the cleaning parts. In this embodiment, the adjustment device is an electric telescopic rod 51 , which is vertically arranged on the top of the box body 21 , and the telescopic end of the electric telescopic rod 51 is connected with the lifting plate 52 .

Described driving assembly 4 comprises connecting rod 41, and connecting rod 41 is arranged on lifting plate, and one side of connecting rod 41 is fixedly connected with motor support 42, and motor support 42 is connected with driving motor 43, and the output end of driving motor 43 is arranged downwards , the output end of the driving motor 43 is connected with a lifting rod 53, and the lower end of the lifting rod 53 passes through the top surface of the lifting plate and the casing and stretches into the inside of the casing, and the lower end of the lifting rod 53 is fixedly connected with the cleaning part 6, during work , start the electric telescopic rod 51, the electric telescopic rod 51 drives the lifting plate 52 to descend and then drives the drive motor to descend, and the drive motor descends to drive the cleaning part 6 to descend, so that it fits on the filter screen, and the drive assembly 4 drives the cleaning part 6 to filter The net 24 is cleaned.

The cleaning part 6 comprises a hairbrush holder 61 and a cleaning brush 62, the hairbrush holder 61 is affixed to the lower end of the elevating rod, and the cleaning brush 62 is affixed to the bottom of the hairbrush holder 61.

Both sides of the inner wall of the slurry distribution box 2 are provided with spray nozzles 7, the spray nozzles 7 are connected with a spray pipe 8, one end of the spray pipe 8 is connected with a water inlet pipe, and the water inlet pipe is connected with a water pump, The water pump is connected with a water storage tank. During use, the water pump 10 is controlled to start working, so that the water in the water storage tank 11 reaches the spray pipe 8 through the water inlet pipe 9 and then sprays out through the spray nozzle 7, and the side wall, the filter screen and the gypsum slurry outlet in the slurry distribution box are sprayed. Wash and rinse.

The slurry distribution box 2 is also connected with a diluting device 12, the diluting device 12 includes a diluent tank 13, the bottom of the diluent tank 13 is connected with a diluent pipeline 14, and the diluent pipeline 14 is provided with a valve, so The diluent pipeline 14 is connected to the slurry distribution box 2.

The gypsum slurry outlet 23 includes an outlet arranged at the center of the bottom plate of the box body, and a plurality of outlets arranged at the edge of the bottom plate. A drain plate 25 is also arranged below the filter screen 24, and the upper end of the drain plate 25 is connected to the inner side wall of the box body. Fixed connection, the lower end of the drain plate 25 is inclined to the central direction of the casing, the drain plate 25 opening is downward, and the slurry through the filter screen 24 is guided to the central gypsum slurry outlet 23 by the drain plate.

The slurry distribution box 2 is made of carbon steel rubber-lined material, stainless steel or FRP and other corrosion-resistant materials, and a support seat is arranged under the box body, and the support seat is fixedly connected to the box body.

The cyclone group 1 includes a first cyclone and a second cyclone, and the gypsum slurry enters the cyclone through the inlets of the first cyclone and the second cyclone, and the cyclone dehydrates and dehydrates the gypsum slurry Crystal classification to achieve a certain degree of separation of gypsum slurry and impurities; the underflow of the first cyclone and the second cyclone flows to the slurry distribution box 2 by gravity.

The working principle of the slurry flushing device for the distribution box of the dewatering machine provided by the utility model will be described in detail below.

The first cyclone and the second cyclone perform primary dehydration and crystal classification on the gypsum slurry to achieve a certain degree of separation of the gypsum slurry and impurities; the bottom flow of the first cyclone and the second cyclone flows to Slurry distribution box 2, the slurry is filtered in the filter screen of the slurry distribution box 2, and the gypsum is filtered in the filter screen of the slurry distribution box 2 and then enters the vacuum dehydration belt conveyor to prevent small particles such as fly ash and limestone from entering the vacuum dehydration belt machine, which affects the quality of gypsum products. The filter screen is cleaned by setting the drive assembly to rotate the cleaning parts to prevent the gypsum slurry from coagulating on the filter screen, causing the filter screen to be blocked and unable to filter the gypsum slurry. When the density of the gypsum slurry in the slurry distribution box 2 is too high When it is high, open the valve of the dilution device 12 to supply the diluent to the slurry distribution box 2. When the gypsum slurry is diluted to a certain extent, the fluidity increases, and the gypsum slurry can be evenly discharged and the vacuum belt conveyor is covered.

The utility model discloses a slurry flushing device for a distribution box of a dehydrator, which comprises a cyclone group connected with a slurry distribution box, the slurry distribution box is arranged at the lower end of the cyclone, and a vacuum dehydration belt conveyor The front end plays the role of collecting, filtering, and distributing the gypsum slurry from the cyclone into the vacuum dehydration belt conveyor. The slurry distribution box includes a box, and the upper end of the box is provided with a gypsum slurry inlet. The gypsum slurry A gypsum slurry outlet is arranged below the inlet, a filter is arranged between the gypsum slurry inlet and the gypsum slurry outlet, and a filter cleaning mechanism is arranged in the middle of the box. The filter screen is cleaned by setting the driving assembly to rotate the cleaning parts to prevent the gypsum slurry from coagulating on the filter screen, causing the filter screen to be blocked and unable to filter the gypsum slurry.

The above content is only to illustrate the technical idea of the utility model, and cannot limit the protection scope of the utility model. Any changes made on the basis of the technical solution according to the technical idea proposed by the utility model all fall into the scope of the utility model. within the scope of protection of the claims.

Claims (10)

1. A slurry flushing device for the distribution box of a dehydrator, characterized in that it comprises a cyclone group (1), its outlet is connected to the slurry distribution box (2), and the outlet of the slurry distribution box (2) is connected to the vacuum dehydration belt conveyor ; The slurry distribution box (2) comprises a box body (21), a screen cloth (24), a height adjustment assembly, a driving assembly and a cleaning part; the screen cloth (24) is arranged inside the box body for controlling the The slurry is filtered, the height adjustment component is set on the top of the box, the drive component is connected to the height adjustment component, one end of the cleaning part is connected to the drive component, and the other end extends into the box, and the height adjustment component is used to control the cleaning part and the screen. Net distance. 2. A device for flushing sludge in the distribution box of a dewatering machine according to claim 1, wherein the height adjustment assembly includes an adjustment device and a lifting plate (52), the adjustment device is arranged on the top of the box body, and the height adjustment assembly includes a lifting plate (52). The plate (52) is connected with the adjusting end of the adjusting device, and the drive assembly is arranged on the top of the lifting plate. 3. A device for flushing sludge in the distribution box of a dehydrator according to claim 1, characterized in that the drive assembly (4) includes a connecting rod (41), and one side of the connecting rod (41) is fixedly connected with a motor Support (42), motor support (42) is connected with driving motor (43), and the output shaft of driving motor (43) is connected with elevating rod (53), and the lower end of elevating rod (53) passes through the top of elevating plate and box body The surface stretches into the inside of the casing, and the lower end of the elevating rod (53) is affixed to the cleaning part (6). 4. A device for flushing sludge in the distribution box of a dehydrator according to claim 3, characterized in that, the cleaning member (6) includes a brush fixing seat (61) and a cleaning brush (62), and the brush fixing seat (61) is affixed with the lower end of elevating rod, and cleaning brush (62) is affixed with the bottom of hairbrush holder (61). 5. A device for flushing sludge in the distribution box of a dehydrator according to claim 1 or 4, wherein a spray device is arranged in the box body, the spray device is connected to a water source, and the spray device is used for Fill the tank with water. 6. A kind of dewatering machine distribution box slurry flushing device according to claim 5, is characterized in that, described spray device comprises spray nozzle (7), and spray nozzle (7) is connected with spray pipe, sprays The shower pipe is connected with the water storage tank through the water pump. 7. A kind of dewatering machine distribution box slurry flushing device according to claim 1, characterized in that, the slurry distribution box (2) is also connected with a dilution device (12), which includes a diluent tank (13), A diluent pipeline (14) is connected to the bottom of the diluent tank (13), and the diluent pipeline (14) is connected to the slurry distribution box (2). 8. A kind of dewatering machine distribution box slurry flushing device according to claim 1, characterized in that, the cyclone group (1) comprises a plurality of cyclones, and the cyclones are used to dehydrate and dehydrate the gypsum slurry. Crystal classification, the underflow of the cyclone flows to the slurry distribution box (2) by gravity. 9. A device for flushing sludge in the distribution box of a dehydrator according to claim 1, characterized in that, the top of the box is provided with a gypsum slurry inlet (22), and the bottom of the box is provided with a gypsum slurry outlet (23) . 10 . The device for flushing the slurry in the distribution box of the dehydrator according to claim 9 , wherein a guide plate is arranged in the box to guide the gypsum slurry to the gypsum slurry outlet ( 23 ). 11 .

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