CN215712053U - Anti-washing unit of denitrification deep bed filtering pond filter material - Google Patents

Abstract

The utility model discloses a filter material backwashing device of a denitrification deep bed filter tank, which comprises a tank body, a water suction pump and a flushing mechanism, wherein a filter layer is fixedly connected between the left side and the right side of the inner wall of the tank body, a moving mechanism is arranged in the tank body and positioned above the filter layer, the moving mechanism comprises a motor box, a fixed plate and a baffle plate assembly, the top of the inner wall of the motor box is fixedly connected with a driving motor, and the output end of the driving motor penetrates through the motor box and extends to the lower part of the motor box. According to the anti-washing device for the filter material in the denitrification deep bed filter tank, after the anti-washing is finished, the driving motor is started to drive the gear to rotate, the gear is meshed with the two rack rails for transmission, the rack rails are fixed, the gear is in a non-fixed state, the gear can move in the rails, the motor box is driven to move, the L-shaped plate drives the baffle to move, the foam on the water surface is pushed to the sewage outlet, and the filter material is prevented from being polluted again.

Description

Anti-washing unit of denitrification deep bed filtering pond filter material

Technical Field

The utility model relates to the technical field of backwashing devices, in particular to a backwashing device for a filter material in a denitrification deep bed filter.

Background

The denitrification deep-bed filter is used for removing suspended matters and nitrates in water treatment, and is a single-layer homogeneous filter material or a multi-layer filter material filter, wherein the filter material is natural quartz sand, the multi-layer filter material is anthracite, quartz sand, garnet and the like, the grain diameters of the filter materials are arranged in a small-upper-lower-large order, and suspended solids in water are allowed to penetrate to a deeper position of a filter bed by the structure of the deep-bed filter, so that the sewage interception capability of the filter is improved.

The surface of water of the existing filter tank can generate a large amount of foams during backwashing, the foams cannot be discharged along with flowing water, the foams can be continuously remained on the surface of a filter material to pollute the filter material and influence the backwashing effect, so that the next filtering is slightly influenced, and in addition, the area of a backwashing spray head is not large enough and the backwashing effect is not good enough.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a filter material backwashing device for a denitrification deep bed filter tank, which solves the problems that foam generated by backwashing cannot be discharged and the backwashing effect is poor.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a denitrification deep bed filtering material back flush device includes cell body, suction pump, washes the mechanism, fixedly connected with filter layer between the left side of cell body inner wall and the right side, the inside moving mechanism that sets up of cell body, moving mechanism is located the filter layer top, moving mechanism includes motor case, fixed plate, baffle subassembly, the top fixedly connected with driving motor of motor incasement wall, the driving motor output runs through the motor case and extends to its below, driving motor output end fixedly connected with gear, the front and the back fixed connection of fixed plate and cell body inner wall, the driving motor output passes through spout and fixed plate sliding connection, fixed plate top fixed connection's rack and pinion, gear and rack and pinion rail meshing transmission.

Preferably, the baffle assembly comprises two L-shaped plates, two position sensors are arranged on two sides of each L-shaped plate, the two L-shaped plates are fixedly connected with the left side and the right side of the motor box respectively, and the other ends of the L-shaped plates are fixedly connected with the baffle through fixing bolts.

Preferably, the flushing mechanism is located below the filter layer.

Preferably, wash the mechanism and include two protection boxes, two the protection box all is through front and the back fixed connection of dead lever and cell body inner wall, two all through fixed cover fixedly connected with distributive pipe between the left side of protection box inner wall and the right side, two the distributive pipe top all communicates there is the sprinkler bead, the sprinkler bead runs through the protection box and extends to its top, two the distributive pipe passes through communicating pipe intercommunication.

Preferably, the suction pump sets up in the cell body outside, the suction pump delivery port passes through bolt fixedly connected with inlet tube, the inlet tube runs through to the cell body inside, inlet tube and communicating pipe intercommunication.

Preferably, the back of the tank body is communicated with an air pipe, the air pipe penetrates into the tank body, one end, located outside the tank body, of the air pipe is provided with a switch valve, and the front and the back of the tank body are provided with a sewage discharge outlet.

Advantageous effects

The utility model provides a filter material backwashing device of a denitrification deep bed filter. Compared with the prior art, the method has the following beneficial effects:

(1) the filtering material back-flushing device of the denitrification deep bed filter is positioned above the filtering layer through a moving mechanism, the moving mechanism comprises a motor box, a fixed plate and a baffle plate assembly, the top of the inner wall of the motor box is fixedly connected with a driving motor, the output end of the driving motor penetrates through the motor box and extends to the lower part of the motor box, the output end of the driving motor is fixedly connected with a gear, the fixed plate is fixedly connected with the front and the back of the inner wall of the filter body, the output end of the driving motor is connected with the fixed plate in a sliding way through a sliding groove, a rack rail is fixedly connected with the top of the fixed plate, the gear is in meshing transmission with the two rack rails, after the back flushing is finished, the driving motor is started to drive the gear to rotate, the rack rail is fixed, the gear is in a non-fixed state and moves in the gear rail, so that the motor box is driven to move, and the baffle plate is driven to move through an L-shaped plate, the foam generated on the water surface after the backwashing is pushed to the drain outlet and is discharged from the drain outlet, so that the problems that the foam generated after the backwashing is difficult to discharge and the filter material is polluted again are solved, and the backwashing effect is improved.

(2) This anti-washing unit of deep bed filtering material in denitrification, include two protection boxes through washing the mechanism, two protection boxes all are through front and the back fixed connection of dead lever with the cell body inner wall, all through fixed cover fixedly connected with distributive pipe between the left side of two protection box inner walls and the right side, two distributive pipe tops all communicate there is the sprinkler bead, the sprinkler bead runs through protection box and extends to its top, two distributive pipes pass through communicating pipe intercommunication, the suction pump inserts outside clear water, send the clear water into in the distributive pipe through the inlet tube after the start-up, and spout the clear water through the shower nozzle, thereby back flush the filter material, adopt two distributive pipe settings, can be more comprehensive wash the filter material, the effect of back flush has been promoted.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of a knot of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1 pool body, 2 water pumps, 3 flushing mechanisms, 31 protection boxes, 32 water distribution pipes, 33 water spray heads, 34 communicating pipes, 4 filter layers, 5 moving mechanisms, 51 motor boxes, 52 fixing plates, 53 baffle assemblies, 531L-shaped plates, 532 position sensors, 533 baffles, 54 driving motors, 55 gears, 56 rack rails, 6 water inlet pipes, 7 air pipes, 8 switch valves and 9 sewage outlets.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a denitrification deep bed filter material back flush device includes cell body 1, suction pump 2, wash mechanism 3, fixedly connected with filter layer 4 between the left side of cell body 1 inner wall and the right side, 1 inside moving mechanism 5 that sets up of cell body, moving mechanism 5 is located filter layer 4 top, moving mechanism 5 includes motor case 51, fixed plate 52, baffle subassembly 53, the top fixedly connected with driving motor 54 of motor case 51 inner wall, driving motor 54 output runs through motor case 51 and extends to its below, driving motor 54 output end fixedly connected with gear 55, the front and the back fixed connection of fixed plate 52 and cell body 1 inner wall, driving motor 54 output passes through spout and fixed plate 52 sliding connection, fixed plate 52 top fixedly connected with rack rail 56, gear 55 and rack rail 56 meshing transmission.

The baffle plate assembly 53 comprises two L-shaped plates 531, position sensors 532 are arranged on two sides of the two L-shaped plates 531, the two L-shaped plates 531 are fixedly connected with the left side and the right side of the motor box 51 respectively, and baffles 533 are fixedly connected to the other ends of the two L-shaped plates 531 through fixing bolts.

Flushing mechanism 3 is located filter layer 4 below, and flushing mechanism 3 includes two protection boxes 31, and two protection boxes 31 all are through the front and the back fixed connection of dead lever with 1 inner wall of cell body, all through fixed cover fixedly connected with distributive pipe 32 between the left side of two protection box 31 inner walls and the right side, and two distributive pipe tops all communicate there is sprinkler bead 33, and sprinkler bead 33 runs through protection box 31 and extends to its top, and two distributive pipes 32 communicate through communicating pipe 34.

The suction pump 2 sets up in the cell body outside, and 2 delivery ports of suction pump pass through bolt fixedly connected with inlet tube 6, and inlet tube 6 runs through to cell body 1 inside, inlet tube 6 and 34 intercommunications communicating pipe, and 1 back intercommunication of cell body has trachea 7, and trachea 7 runs through to cell body 1 inside, and trachea 7 is located 1 outside one end of cell body and is provided with ooff valve 8, and drain 9 has been seted up with the back to the cell body openly.

When the filter material washing machine is used, the water suction pump 2 is connected with an external water source, the water suction pump 2 is started, the external water source is sucked in by the water suction pump 2 and is sent into the communicating pipe 34 through the water inlet pipe 6, water flows to the two water distribution pipes 32 after entering the communicating pipe 34 and is sprayed out through the water spray head 33, the water enters from the bottom of the filter layer 4 to wash filter materials, the water flows enter the top of the filter layer 4, the air pipe 7 is connected with an external air pump, the switch valve 8 is opened, air enters the tank body and washes the filter materials through the filter layer 4, as a large amount of pollutants are attached to the surface of the filter materials, some pollutants are washed off and dissolved in the water, some pollutants are left in the generated foam after being washed off and are retained, after the back washing is finished, the driving motor 54 is started, the driving motor 54 rotates to drive the gear 55 to rotate, the gear 55 is meshed with the rack rail 56, and the rack rail is in a fixed state, and gear 55 is in the non-fixed state, and then gear 55 can move in the track that rack track 56 formed, and gear 55 removes and drives motor case 51 and removes to drive baffle 533 through L shaped plate 531 and remove, push the foam on water surface to drain 9, and discharge from drain 9, position sensor 532 on L shaped plate 531 responds to the position of L shaped plate 531, sends out the signal when L shaped plate 531 is close to cell body 1 inner wall, makes driving motor 54 reverse, thereby moves to opposite direction.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a denitrification deep bed filtering material back flush unit, includes cell body (1), suction pump (2), washes mechanism (3), fixedly connected with filter layer (4), its characterized in that between the left side of cell body (1) inner wall and the right side: a moving mechanism (5) is arranged in the tank body (1);

moving mechanism (5) are located filter layer (4) top, moving mechanism (5) are including motor case (51), fixed plate (52), baffle subassembly (53), the top fixedly connected with driving motor (54) of motor case (51) inner wall, driving motor (54) output runs through motor case (51) and extends to its below, driving motor (54) output end fixedly connected with gear (55), the front and the back fixed connection of fixed plate (52) and cell body (1) inner wall, driving motor (54) output passes through spout and fixed plate (52) sliding connection, fixed plate (52) top fixedly connected with rack rail (56), gear (55) and rack rail (56) meshing transmission.

2. The filter material backwashing device of the denitrification deep bed filter tank of claim 1, which is characterized in that: baffle subassembly (53) include two L shaped plates (531), two L shaped plate (531) both sides are provided with position sensor (532), two L shaped plates (531) respectively with motor case (51) left and right sides fixed connection, two L shaped plate (531) other end all is through fixing bolt fixedly connected with baffle (533).

3. The filter material backwashing device of the denitrification deep bed filter tank of claim 1, which is characterized in that: the flushing mechanism (3) is positioned below the filter layer (4).

4. The filter material backwashing device of the denitrification deep bed filter tank of claim 1, which is characterized in that: wash mechanism (3) including two protection box (31), two protection box (31) all through front and the back fixed connection of dead lever with cell body (1) inner wall, two all through fixed cover fixedly connected with distributive pipe (32), two between the left side of protection box (31) inner wall and the right side distributive pipe top all communicates there is sprinkler bead (33), sprinkler bead (33) run through protection box (31) and extend to its top, two distributive pipe (32) are through communicating pipe (34) intercommunication.

5. The filter material backwashing device of the denitrification deep bed filter tank of claim 1, which is characterized in that: suction pump (2) set up in the cell body outside, suction pump (2) delivery port passes through bolt fixedly connected with inlet tube (6), inlet tube (6) run through to cell body (1) inside, inlet tube (6) and communicating pipe (34) intercommunication.

6. The filter material backwashing device of the denitrification deep bed filter tank of claim 1, which is characterized in that: cell body (1) back intercommunication has trachea (7), trachea (7) run through to inside cell body (1), trachea (7) are located the outside one end of cell body (1) and are provided with ooff valve (8), drain (9) have been seted up with the back to the cell body openly.

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