CN209702391U - A kind of water distribution distribution device for deep bed denitrification filter pool - Google Patents

Abstract

The utility model discloses a kind of water distribution distribution devices for deep bed denitrification filter pool, including filter tank and filter block, the top of filter tank side offers water inlet, one end of water inlet is fixedly installed with the first valve, the bottom end of filter tank side offers recoil discharge outlet, one end of recoil discharge outlet is fixedly installed with the second valve, one end fixation of the filter tank other side offers air inlet, one end of air inlet is fixedly installed with air inlet pipe, one end of air inlet pipe is fixedly connected with the air taking port of roots blower, the side of air inlet pipe, which is run through, is connected with exhaust pipe, one end of exhaust pipe is fixedly installed with third valve, a kind of water distribution distribution device for deep bed denitrification filter pool of the utility model, backwashing water distribution can be completed at the same time by filter block, gas and water flow pass through from level-one distribution cavity and second level compensated cavity respectively, accomplish water and air distributing more evenly, no There are water and air distributing blind areas, and atmospheric pressure is uniform, and backwash resistance is smaller.

Description

A kind of water distribution distribution device for deep bed denitrification filter pool

Technical field

It is the utility model relates to a kind of water distribution distribution device, in particular to a kind of to match water cloth for deep bed denitrification filter pool Device of air belongs to technical field of sewage.

Background technique

Deep bed denitrification filter pool is one of the important option of domestic and international sewage treatment plant's advanced treatment process, in water process In the process, filtering ponds are used to handle suspended matter in water, and traditional filtering ponds are typically all quartz sand filter tank, and filtering accuracy is low, Water distribution distribution device resistance in filtering and recoil is big, and is unevenly distributed, and causes recoil water consumption big, recoil is not thorough.

Utility model content

The purpose of this utility model is to provide a kind of water distribution distribution devices for deep bed denitrification filter pool, on solving State that the traditional filtering ponds filtering accuracy proposed in background technique is low, and water distribution distribution device resistance in filtering and recoil is big, and And the problem of being unevenly distributed.

To achieve the above object, the utility model provides the following technical solutions: a kind of matching for deep bed denitrification filter pool Water cloth device of air, including filter tank and filter block, the top of the filter tank side offer water inlet, and one end of the water inlet is fixed First valve is installed, the bottom end of the filter tank side offers recoil discharge outlet, the fixed peace in one end of the recoil discharge outlet Equipped with the second valve, one end fixation of the filter tank other side offers air inlet, and one end of the air inlet is fixedly installed with Air inlet pipe, one end of the air inlet pipe are fixedly connected with the air taking port of roots blower, and the side of the air inlet pipe, which is run through, to be connected with Exhaust pipe, one end of the exhaust pipe are fixedly installed with third valve, and the other end of the filter tank other side offers water outlet, One end of the water outlet is fixedly installed with outlet pipe, and one end of the outlet pipe is fixedly installed with the 4th valve, the water outlet The side of pipe is fixed and is connected through backflushing water intake pipe, one end of the backflushing water intake pipe and the feed water inlet of backwash pump is connected with It connects, the bottom end in the filter tank is uniformly equipped with several filter blocks, and the top of several filter blocks is fixedly installed with gravel bed, described The top of gravel bed is fixedly installed with filter material layer.

As a kind of optimal technical scheme of the utility model, the side of the roots blower offers gas outlet, described One end of gas outlet is fixedly installed with exhaust-valve.

As a kind of optimal technical scheme of the utility model, the top of several filter blocks offers return flume.

As a kind of optimal technical scheme of the utility model, the inside of several filter blocks is fixedly installed with triangle Filter block inside division is respectively that several level-one distribution cavities and several second levels compensate by partition, several described triangle partitions Chamber.

As a kind of optimal technical scheme of the utility model, the filter material layer is made of fibrous material.

As a kind of optimal technical scheme of the utility model, the side in the filter tank is fixedly installed with roots blower respectively Switch and backwashing water switch pump, the roots blower and backwash pump pass through roots blower switch and backwash pump respectively Switch is electrically connected with the power supply.

Compared with prior art, the utility model has the beneficial effects that the utility model one kind is used for deep bed denitrification filter The water distribution distribution device in pond can be completed at the same time backwashing water distribution by filter block, gas and water flow respectively from level-one distribution cavity and Second level compensated cavity passes through, and accomplishes water and air distributing more evenly, and water and air distributing blind area is not present, and atmospheric pressure is uniform, backwashes resistance It is smaller, filter block can be made to carry compensation function by return flume, improve the water distribution gas distribution performance of filter back washing, reduce The water consumption of recoil can provide backwash air-flow by roots blower for filter, can be filter by backwash pump Pond provides the backwashing water of filtrate and nitrogen discharges train backlash wash water, and filter material layer is fibrous material, fibrous material filter effect It is good, can the effective suspended matter crossed in drainage, improve filtering accuracy.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the utility model filter tank section；

Fig. 3 is the structural schematic diagram of the utility model filter block.

In figure: 1, filter tank；2, water inlet；3, the first valve；4, recoil discharge outlet；5, the second valve；6, outlet pipe；7, Four valves；8, backflushing water intake pipe；9, backwash pump；10, air inlet pipe；11, exhaust pipe；12, third valve；13, roots blower； 14, filter material layer；15, gravel bed；16, filter block；17, return flume；18, triangle partition.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of water distribution distribution device for deep bed denitrification filter pool, including Filter tank 1 and filter block 16, the top of 1 side of filter tank offer water inlet 2, and one end of water inlet 2 is fixedly installed with the first valve 3, The bottom end of 1 side of filter tank offers recoil discharge outlet 4, and one end of recoil discharge outlet 4 is fixedly installed with the second valve 5, and filter tank 1 is another One end fixation of side offers air inlet, and one end of air inlet is fixedly installed with air inlet pipe 10, one end of air inlet pipe 10 and sieve The air taking port of thatch blower 13 is fixedly connected, and through exhaust pipe 11 is connected with, one end of exhaust pipe 11 is fixed for the side of air inlet pipe 10 Third valve 12 is installed, the other end of 1 other side of filter tank offers water outlet, and one end of water outlet is fixedly installed with outlet pipe 6, one end of outlet pipe 6 is fixedly installed with the 4th valve 7, the side of outlet pipe 6 through backflushing water intake pipe 8 is connected with, recoil into One end of water pipe 8 is fixedly connected with the feed water inlet of backwash pump 9, and the bottom end in filter tank 1 is uniformly equipped with several filter blocks 16, if The top of dry filter block 16 is fixedly installed with gravel bed 15, and the top of gravel bed 15 is fixedly installed with filter material layer 14.

Preferably, the side of roots blower 13 offers gas outlet, and one end of gas outlet is fixedly installed with exhaust-valve, passes through Roots blower 13 can provide backwash air-flow for 1 filtrate of filter tank.

Preferably, the top of several filter blocks 16 offers return flume 17, can make filter block 16 by return flume 17 Included compensation function, improves the water distribution gas distribution performance of the backwash of filter tank 1.

Preferably, the inside of several filter blocks 16 is fixedly installed with triangle partition 18, several triangle partitions 18 difference It is several level-one distribution cavities and several second level compensated cavities by 16 inside division of filter block, gas and water flow are distributed from level-one respectively Chamber and second level compensated cavity pass through, and accomplish water and air distributing more evenly, and water and air distributing blind area is not present.

Preferably, filter material layer 14 is made of fibrous material, and fibrous material filter effect is good.

Preferably, the side in filter tank 1 is fixedly installed with roots blower switch and backwashing water switch pump, roots blower respectively 13 and backwash pump 9 respectively by roots blower switch and backwashing water switch pump be electrically connected with the power supply, facilitate work people Member's operation.

When specifically used, a kind of water distribution distribution device for deep bed denitrification filter pool of the utility model, filter sewage knot Shu Hou opens the first valve 3 and the 4th valve 7, after liquid level reduces in filter tank 1, closes the 4th valve 7, opens the second valve 5, other gases in exhaust-valve emptying roots blower 13 are opened, close exhaust-valve after the emptying of other gases, roots blower is opened and opens It closes, gas is sent into inside filter block 16 by air inlet pipe 10 and carries out air recoil by roots blower 13, after air recoil, opens anti- Water is sent into inside filter block 16 by flush water pump switch, backwash pump 9 by backflushing water intake pipe 8, the gas that roots blower 13 is sent into The water being sent into backwash pump 9 simultaneously recoils to filter tank 1, after the completion of backwash, opens exhaust-valve, closes roots blower Switch opens third valve 12, the residual air in filter tank 1 is discharged from exhaust pipe 11, opens the 4th valve 7, backwash waste is by anti- The discharge of discharge outlet 4 is rushed, after the completion of discharge, closes the 4th valve 7, the first valve 3 and backwashing water switch pump.

In the description of the present invention, it should be understood that the orientation or positional relationship of instruction is based on shown in attached drawing Orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as practical new to this The limitation of type.

In the present invention unless specifically defined or limited otherwise, for example, it may be being fixedly connected, be also possible to It is detachably connected, or integral；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements, unless otherwise clear Restriction can understand above-mentioned term in the utility model as the case may be for the ordinary skill in the art In concrete meaning.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of water distribution distribution device for deep bed denitrification filter pool, including filter tank (1) and filter block (16), which is characterized in that The top of filter tank (1) side offers water inlet (2), and one end of the water inlet (2) is fixedly installed with the first valve (3), the bottom end of filter tank (1) side offers recoil discharge outlet (4), and one end of recoil discharge outlet (4) is fixedly mounted Have the second valve (5), one end of filter tank (1) other side is fixed to offer air inlet, the fixed peace in one end of the air inlet Equipped with air inlet pipe (10), one end of the air inlet pipe (10) is fixedly connected with the air taking port of roots blower (13), the air inlet pipe (10) through being connected with exhaust pipe (11), one end of the exhaust pipe (11) is fixedly installed with third valve (12), institute for side The other end for stating filter tank (1) other side offers water outlet, and one end of the water outlet is fixedly installed with outlet pipe (6), described One end of outlet pipe (6) is fixedly installed with the 4th valve (7), and the side of the outlet pipe (6), which is run through, is connected with backflushing water intake pipe (8), one end of the backflushing water intake pipe (8) is fixedly connected with the feed water inlet of backwash pump (9), the bottom end of the filter tank (1) Several filter blocks (16) are uniformly installed, the top of several filter blocks (16) is fixedly installed with gravel bed (15), the gravel bed (15) top is fixedly installed with filter material layer (14).

2. a kind of water distribution distribution device for deep bed denitrification filter pool according to claim 1, it is characterised in that: described The side of roots blower (13) offers gas outlet, and one end of the gas outlet is fixedly installed with exhaust-valve.

3. a kind of water distribution distribution device for deep bed denitrification filter pool according to claim 1, it is characterised in that: several The top of a filter block (16) offers return flume (17).

4. a kind of water distribution distribution device for deep bed denitrification filter pool according to claim 1, it is characterised in that: several The inside of a filter block (16) is fixedly installed with triangle partition (18), several described triangle partitions (18) are respectively by filter block (16) inside division is several level-one distribution cavities and several second level compensated cavities.

5. a kind of water distribution distribution device for deep bed denitrification filter pool according to claim 1, it is characterised in that: described Filter material layer (14) is made of fibrous material.

6. a kind of water distribution distribution device for deep bed denitrification filter pool according to claim 1, it is characterised in that: described The side in filter tank (1) be fixedly installed with respectively roots blower switch and backwashing water switch pump, the roots blower (13) and instead Flush water pump (9) is electrically connected with the power supply by roots blower switch and backwashing water switch pump respectively.