CN211170057U - Anti-washing unit of denitrification deep bed filtering pond filter material - Google Patents

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

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Publication number
CN211170057U
CN211170057U CN201921829970.7U CN201921829970U CN211170057U CN 211170057 U CN211170057 U CN 211170057U CN 201921829970 U CN201921829970 U CN 201921829970U CN 211170057 U CN211170057 U CN 211170057U
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Prior art keywords
filter
water
pipe
tank
backwashing
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CN201921829970.7U
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Chinese (zh)
Inventor
陈振
王朝建
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Chongqing Renyuan Environmental Protection Engineering Co ltd
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Chongqing Renyuan Environmental Protection Engineering Co ltd
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Abstract

The utility model discloses a denitrification deep bed filtering pond filter material back flush unit, including clean water basin, rose box and drinking-water pipe, the bottom overlap joint has in the clean water basin the rose box, there is the filter screen through the screw connection on the rose box, have through flange joint on the rose box lateral wall the drinking-water pipe. Has the advantages that: the utility model discloses a set up rose box and filter screen, can filter the water that high pressure water pump took to prevent that high pressure water pump from drawing water through the drinking-water pipe when drawing water with the impurity extraction of aquatic, can avoid high pressure nozzle to block up like this, make high pressure nozzle's maintenance cycle prolong greatly, and can guarantee the back flush effect of device.

Description

Anti-washing unit of denitrification deep bed filtering pond filter material
Technical Field
The utility model relates to a back flush unit technical field, concretely relates to back flush unit of denitrification deep bed filtering pond filter material.
Background
The denitrification deep bed filter tank belongs to a treatment process of a deep treatment filtration process in sewage treatment, and the treatment process is originated in the United states at the earliest in the 20 th century for 70 years, has centralized functions and flexible operation, can play the roles of intercepting SS (suspended solids) by physical filtration, removing TP (total phosphorus) by chemical micro-flocculation and removing TN (total nitrogen) by biological denitrification at the same time, can accumulate a large amount of magazines after the filter material in the filter tank is used for a long time, and is also called as filter tank flushing to remove impurities intercepted in the filter material layer, so that the filter tank recovers the filtration capacity in a short time, and the backwashing has a better effect of stripping suspended solids deposited on the surface of the filter material.
When the conventional denitrification deep bed filter material backwashing device uses high-speed water flow to backwash filter materials, a spray head is easily blocked by impurities in water pumped by a water pump, so that the backwashing efficiency and effect of the device are influenced, and the cleaning efficiency of the conventional denitrification deep bed filter material backwashing device for backwashing the filter materials is low, so that water resources are consumed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the anti-washing device for the filter material in the denitrification deep bed filter tank is provided, and the problems that when the filter material is back washed by high-speed water flow in the conventional anti-washing device for the filter material in the denitrification deep bed filter tank, a spray head is easily blocked by impurities in water pumped by a water pump, and the back washing efficiency and effect of the device are influenced are solved.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a denitrification deep bed filtering pond filter material back flush unit, including clean water basin, rose box and drinking-water pipe, the bottom overlap joint has in the clean water basin the rose box, there is the filter screen through the screw connection on the rose box, there is through flange joint on the rose box lateral wall the drinking-water pipe.
Further, clean water basin one side is provided with the filtering pond, drinking-water pipe one end is provided with high pressure water pump, be provided with the raceway on the high pressure water pump lateral wall, raceway one end is provided with the recoil case, recoil case lower extreme both sides are provided with the support frame, recoil case upper end is provided with the connecting pipe, the connecting pipe upper end is provided with high pressure nozzle, the high pressure nozzle top is provided with the filter material, the filter material top is provided with the horizontal pole, be provided with the slider on the horizontal pole, the slider upper end is provided with the handle frame, the welding has the connecting plate on the slider lateral wall, there is jet pipe through threaded connection on the connecting plate, the jet pipe upper end is provided with the gas hose, gas hose one end is provided.
Through adopting above-mentioned technical scheme, the filter screen is provided with the three-layer, the filter screen can be to getting into the water of rose box filters to prevent the high pressure water pump passes through draw water pipe draws water the impurity extraction of aquatic, can avoid like this the high pressure nozzle blocks up.
Further, the pumping pipe and the water delivery pipe are connected with the high-pressure water pump through flanges, and the water delivery pipe is connected with the clean water tank and the filter tank through flanges.
Furthermore, the water delivery pipe is connected with the backflushing tank through a flange, and the support frame is connected with the backflushing tank and the filter tank through bolts.
By adopting the technical scheme, when the high-pressure water pump works, the water pumping pipe and the filter box can pump the clean water in the clean water tank, and then the clean water is conveyed into the backwashing box through the water conveying pipe.
Furthermore, the connecting pipe is welded with the backflushing tank, and the high-pressure spray head is connected with the connecting pipe through threads.
By adopting the technical scheme, the water conveyed to the backwashing box by the high-pressure water pump through the water conveying pipe can be sprayed out through the connecting pipe and the high-pressure spray head, and the sprayed water has higher water pressure so as to backwash the filter material.
Furthermore, the cross rod is connected with the filter tank through a bolt, the sliding block is connected with the cross rod in a sliding mode, and the handle frame is connected with the sliding block through a key.
By adopting the technical scheme, the sliding block can slide on the cross rod through the handle frame, and the sliding block can rotate on the cross rod to a certain degree through the handle frame, so that the air injection pipe can move above the filter material, and the angle of the air injection pipe can be adjusted.
Further, the air delivery hose, the air ejector pipe and the air pump are connected through flanges.
By adopting the technical scheme, when the air pump works, external air can be extracted, and then the air is sprayed out through the air delivery hose and the air jet pipe after being pressurized so as to wash the surface of the filter material, so that the washing effect of the device is better, and the washing water quantity can be saved.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1. in order to solve the problem that when the filter material is backwashed by using high-speed water flow in the conventional denitrification deep bed filter tank filter material backwashing device, a spray head is easily blocked by impurities in water pumped by a water pump, and the backwashing efficiency and the backwashing effect of the device are influenced, the utility model can filter the water pumped by a high-pressure water pump by arranging a filter box and a filter screen, so as to prevent the high-pressure water pump from pumping the impurities in the water when pumping the water through a water pumping pipe, so that the blockage of the high-pressure spray head can be avoided, the maintenance period of the high-pressure spray head is greatly prolonged, and the backwashing effect of the device can be;
2. carry out the cleaning efficiency of back flush to the filter material for solving current anti-nitrification deep bed filtering pond filter material back flush device lower, comparatively consume the problem of water resource, the utility model discloses a set up horizontal pole, slider, handle frame, connecting plate, jet-propelled pipe, gas transmission hose and air pump, make device accessible high-pressure draught carry out the surface washing to the filter material, assist the back flush, can make the washing effect of device better, still can save the washing water yield.
Drawings
FIG. 1 is a schematic structural diagram of a filter material backwashing device of a denitrification deep bed filter tank of the present invention;
FIG. 2 is a schematic structural diagram of a filter box in the filter material backwashing device of the denitrification deep bed filter of the utility model;
FIG. 3 is a schematic view showing the connection relationship between the slide block, the handle frame, the connecting plate and the jet pipe in the filtering material back-flushing device of the denitrification deep bed filter.
The reference numerals are explained below:
1. a clean water tank; 2. a filter box; 3. a filter screen; 4. a water pumping pipe; 5. a filter chamber; 6. a high pressure water pump; 7. a water delivery pipe; 8. a recoil box; 9. a support frame; 10. a connecting pipe; 11. a high pressure spray head; 12. filtering the material; 13. a cross bar; 14. a slider; 15. a handle frame; 16. a connecting plate; 17. a gas ejector tube; 18. a gas hose; 19. an air pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, the filter material backwashing device for the denitrification deep bed filter tank in the embodiment comprises a clean water tank 1, a filter tank 2 and a water pumping pipe 4, wherein the filter tank 2 is lapped at the inner bottom end of the clean water tank 1, the filter tank 2 is connected with the filter screen 3 through a screw, the water pumping pipe 4 is connected on one side wall of the filter tank 2 through a flange, a filter tank 5 is arranged on one side of the clean water tank 1, one end of the water pumping pipe 4 is provided with a high pressure water pump 6, one side wall of the high pressure water pump 6 is provided with a water conveying pipe 7, one end of the water conveying pipe 7 is provided with a backwashing tank 8, two sides of the lower end of the backwashing tank 8 are provided with supporting frames 9, the upper end of the backwashing tank 8 is provided with a connecting pipe 10, the upper end of the connecting pipe 10 is provided with a high pressure nozzle 11, a filter material, a connecting plate 16 is welded on one side wall of the sliding block 14, an air injection pipe 17 is connected to the connecting plate 16 through threads, an air delivery hose 18 is arranged at the upper end of the air injection pipe 17, an air pump 19 is arranged at one end of the air delivery hose 18, three layers of filter screens 3 are arranged, the filter screens 3 can filter water entering the filter box 2 to prevent the high-pressure water pump 6 from pumping impurities in the water when pumping water through the water pumping pipe 4, so that the blockage of the high-pressure spray nozzle 11 can be avoided, the water pumping pipe 4 and the water delivery pipe 7 are both connected with the high-pressure water pump 6 through flanges, the water delivery pipe 7 is connected with the clean water tank 1 and the filter pool 5 through flanges, the water delivery pipe 7 is connected with the backwashing box 8 through flanges, the support frame 9 is connected with the backwashing box 8 and the filter pool 5 through bolts, the high-pressure water pump 6 can pump clear water in the clean water tank 1, the connecting pipe 10 is welded with the backflushing tank 8, the high-pressure spray nozzle 11 is connected with the connecting pipe 10 through a thread, the water which is conveyed to the backflushing tank 8 by the high-pressure water pump 6 through the water conveying pipe 7 can be sprayed out through the connecting pipe 10 and the high-pressure spray nozzle 11, the sprayed water has larger water pressure to carry out backflushing on the filter material 12, the cross rod 13 is connected with the filter tank 5 through a bolt, the slide block 14 is connected with the cross rod 13 in a sliding way, the handle frame 15 is connected with the slide block 14 through a key, the slide block 14 can slide on the cross rod 13 through the handle frame 15, the slide block 14 can rotate on the cross rod 13 to a certain degree through the handle frame 15, so that the air spraying pipe 17 can move above the filter material 12, the angle of the air spraying pipe 17 can be adjusted, the air conveying hose 18 is connected with the air spraying pipe 17 and the air pump 19 through flanges, the air pump 19 can extract outside air when in work, and, the surface of the filter material 12 is washed, so that the washing effect of the device is better, and the washing water quantity can be saved.
As shown in fig. 1-2, in the present embodiment, the filter screen 3 has three layers, and the filter screen 3 can filter the water entering the filter tank 2 to prevent the high pressure water pump 6 from pumping the water through the water pumping pipe 4, so as to prevent the high pressure nozzle 11 from being blocked, greatly prolong the maintenance period of the high pressure nozzle 11, and ensure the back washing effect of the device.
As shown in fig. 1-3, in this embodiment, when the air pump 19 works, external air can be drawn out, and then the air is ejected through the air delivery hose 18 and the air injection pipe 17 after being pressurized, the slider 14 can slide on the cross rod 13 through the handle frame 15, and the slider 14 can rotate on the cross rod 13 to a certain degree, so that the air injection pipe 17 can move above the filter material 12, and the angle of the air injection pipe 17 can be adjusted, so as to perform surface washing on the filter material 12, thereby improving the washing effect of the device, and saving the washing water amount.
The specific implementation process of this embodiment is as follows: the device uses an external power supply, the high-pressure water pump 6 can pump clean water in the clean water tank 1 through the water pumping pipe 4 and the filter box 2 when working, and then the clean water is conveyed into the backflushing box 8 through the water conveying pipe 7, the filter screen 3 can filter water entering the filter box 2 to prevent the high-pressure water pump 6 from pumping impurities in the water when pumping water through the water pumping pipe 4, so that the blockage of the high-pressure spray nozzle 11 can be avoided, the maintenance period of the high-pressure spray nozzle 11 is greatly prolonged, and the backflushing effect of the device can be ensured, the water conveyed to the backflushing box 8 by the high-pressure water pump 6 through the water conveying pipe 7 can be sprayed out through the connecting pipe 10 and the high-pressure spray nozzle 11, the sprayed water has higher water pressure to backflush the filter material 12 to remove the impurities trapped in the layer of the filter material 12, the air pump 19 can pump outside air when working, can make slider 14 can slide on horizontal pole 13 through handle frame 15, still can make slider 14 can carry out the rotation of certain degree on horizontal pole 13, can make jet-propelled pipe 17 can remove above filter material 12 like this, and still can make jet-propelled pipe 17's angle can be adjusted to carry out surface washing to filter material 12, can make the washing effect of device better, still can sparingly wash the water yield.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims (7)

1. The utility model provides a denitrification deep bed filtering pond filter material back flush unit which characterized in that: including clean water basin (1), rose box (2) and drinking-water pipe (4), the bottom overlap joint has in clean water basin (1) rose box (2), there is filter screen (3) through bolted connection on rose box (2), there is through flange joint on the lateral wall of rose box (2) drinking-water pipe (4).
2. The filter material backwashing device of the denitrification deep bed filter tank of claim 1, which is characterized in that: the water purifier is characterized in that a filter pool (5) is arranged on one side of the clean water pool (1), a high-pressure water pump (6) is arranged at one end of the water pumping pipe (4), a water delivery pipe (7) is arranged on one side wall of the high-pressure water pump (6), a backwashing tank (8) is arranged at one end of the water delivery pipe (7), support frames (9) are arranged on two sides of the lower end of the backwashing tank (8), a connecting pipe (10) is arranged at the upper end of the backwashing tank (8), a high-pressure spray nozzle (11) is arranged at the upper end of the connecting pipe (10), a filter material (12) is arranged above the high-pressure spray nozzle (11), a cross rod (13) is arranged above the filter material (12), a slide block (14) is arranged on the cross rod (13), a handle frame (15) is arranged at the upper end of the slide block (14), a, an air hose (18) is arranged at the upper end of the air injection pipe (17), and an air pump (19) is arranged at one end of the air hose (18).
3. The filter material backwashing device of the denitrification deep bed filter tank of claim 2, which is characterized in that: the water pumping pipe (4) and the water delivery pipe (7) are connected with the high-pressure water pump (6) through flanges, and the water delivery pipe (7) is connected with the clean water tank (1) and the filter tank (5) through flanges.
4. The filter material backwashing device of the denitrification deep bed filter tank of claim 2, which is characterized in that: the water delivery pipe (7) is connected with the backflushing tank (8) through a flange, and the support frame (9) is connected with the backflushing tank (8) and the filter pool (5) through bolts.
5. The filter material backwashing device of the denitrification deep bed filter tank of claim 2, which is characterized in that: the connecting pipe (10) is welded with the recoil box (8), and the high-pressure spray head (11) is connected with the connecting pipe (10) through threads.
6. The filter material backwashing device of the denitrification deep bed filter tank of claim 2, which is characterized in that: the cross rod (13) is connected with the filter chamber (5) through bolts, the sliding block (14) is connected with the cross rod (13) in a sliding mode, and the handle frame (15) is connected with the sliding block (14) through keys.
7. The filter material backwashing device of the denitrification deep bed filter tank of claim 2, which is characterized in that: the air delivery hose (18) is connected with the air injection pipe (17) and the air pump (19) through flanges.
CN201921829970.7U 2019-10-29 2019-10-29 Anti-washing unit of denitrification deep bed filtering pond filter material Active CN211170057U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921829970.7U CN211170057U (en) 2019-10-29 2019-10-29 Anti-washing unit of denitrification deep bed filtering pond filter material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921829970.7U CN211170057U (en) 2019-10-29 2019-10-29 Anti-washing unit of denitrification deep bed filtering pond filter material

Publications (1)

Publication Number Publication Date
CN211170057U true CN211170057U (en) 2020-08-04

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112023683A (en) * 2020-09-08 2020-12-04 南京大学环境规划设计研究院集团股份公司 Peculiar smell purifies with preventing stifled type biological filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112023683A (en) * 2020-09-08 2020-12-04 南京大学环境规划设计研究院集团股份公司 Peculiar smell purifies with preventing stifled type biological filter

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