CN208626711U - A kind of active sand filter - Google Patents

Abstract

The utility model relates to a kind of active sand filters, belong to environmental protection equipment, separator, sewage-treatment plant including tank body and its inside, sewage inlet is arranged in the top of tank body, backwash water out is arranged in the top of tank body, it is made of the cylinder on top and the cone structure of bottom, the sewage-treatment plant is located at the lower part of tank body, and the sewage-treatment plant includes water distributor, sand arranging device from top to bottom；Separator is located at the top of tank body；Air induction hose is set between sand extraction tube, fixing pipe, the upper end of air induction hose passes through separator, the lower end of air induction hose and the collection chamber air inlet of collection chamber connect, collection chamber is hollow structure, internal screw thread up and down is arranged in the inside of collection chamber, strainer, the threaded connection of collection chamber and sand extraction tube are set between upper and lower internal screw thread.Sand-washing device is the interior outward corrugated tube with dovetail groove or more interlaced arrangement, and dovetail groove is washed-out sand channel.Compressed air can be concentrated on effectively inside sand extraction tube, avoid the waste of air.

Description

A kind of active sand filter

Technical field

The utility model belongs to environmental protection equipment, advanced treatment of wastewater field, and in particular to a kind of active sand filter.

Background technique

Water is the valuable source of human survival and development, in water resource today that there is a serious shortage in the supply, is produced, the depth of sanitary sewage Degree processing is particularly important.Continuous active sand filter is a kind of environmental protection equipment.Active sand filter is by corresponding construction Filter tank body, filter assemblies, sand-washing device, inlet and outlet pipe lines, air lift pipe, filtrate effluent pipeline and washed-out sand water outlet pipe etc. Composition.Using flexible connection between self-filtering unit and corresponding pipeline, the compressed air control that compressed air system provides passes through The air hose of PU material is connect with filter top.Self-filtering unit includes inlet and outlet pipes, water distributor, sand-washing device, washed-out sand The elevator pump of water outlet pipe and air.Inlet and outlet pipes, washed-out sand water outlet pipe are all located at the top of filter element.Active sand filter It is the continuous filter cleaned automatically for collecting the functions such as coagulation, clarification, filtering, without shutting down backwash, without providing volume Outer backwashing pump.It is simply to be described to active sand filter above, activity sand filter has the following problems at present.

1. active sand filter compressed air can not be concentrated effective for mentioning sand, energy waste is caused.

2. mentioning, sand pump system resistance is big, and energy consumption is big.

201010548042.0 active sand filter of patent, a kind of 201621206685.6 active sand filters, air inlet pipe It is directly entered in sand extraction tube and carries out air lift, be easy that sand is made to enter air inlet pipe, cause to block.

Utility model content

For above-mentioned problems of the prior art, a purpose of the utility model is to provide a kind of active sand filtering Device.

In order to solve the above technical problems, the technical solution of the utility model are as follows:

A kind of active sand filter, including tank body and its inside separator, sewage-treatment plant, sand-washing device, into Device of air, tank body are made of the cylinder on top and the cone structure of bottom, and sewage inlet, wastewater influent is arranged in the top of tank body Mouthful downside backwash water out is set, the sewage-treatment plant is located at the lower part of tank body, the sewage-treatment plant include by Water distributor, the sand arranging device of top to bottm；Separator is located at the top of tank body；By mentioning between separator and sewage-treatment plant Sandpipe, fixing pipe connection, sand extraction tube are located at the inside of fixing pipe, and sand extraction tube, fixing pipe pass through water distributor, sand arranging device, fixing pipe Outside setting water inlet casing, the top of water distributor and water inlet casing connection, sewage inlet and water inlet casing pass through plumbing for waste water Road connection, the bottom of separator connect with backwash water out by blow-off line, separator include drum from outside to inside, Washed-out sand mouth is arranged in keg, the bottom below keg, and washed-out sand mouth connects sand-washing device, and sand-washing device is fixed on by fixed structure Determine the outside of pipe.

Inlet duct is made of air inlet pipe and collection chamber, and air inlet pipe is between sand extraction tube, fixing pipe, the upper end of air inlet pipe Across separator, the lower end of air inlet pipe is connect with collection chamber air inlet, and collection chamber is hollow structure, and collection chamber is divided into inner wall And internal screw thread up and down is arranged between inner and outer wall, on inner wall, is arranged between upper and lower internal screw thread for outer wall, collection chamber air inlet Strainer, collection chamber are connect with sand extraction tube by upper and lower internal screw thread.

Preferably, the drum, keg are the open structure in top, and keg side wall is provided with square hole；Between drum, keg Annular region is gathering ground, and sewage draining exit is arranged in the bottom of gathering ground, and sewage draining exit is connect with backwash water out by blow-off line.

It is further preferred that splashproof casing is arranged above the keg, splash guard, the side is arranged in the top of splashproof casing Flashboard is set on hole.

Enter the suspended matter of Disengagement zone by sand extraction tube and sewage passes through flashboard and enters gathering ground.

Preferably, the fixed structure includes anchor ear and bolt, and sand-washing device is washed by dividing the sand-washing device of valvular structure to form Sand device is corresponding with washed-out sand mouth.

It is further preferred that the sand-washing device is the interior outward corrugated tube with dovetail groove or more interlaced arrangement, dovetail groove is Washed-out sand channel.

The outer trough of the bellows of sand-washing device is matched with interior wave crest, is formed washed-out sand space, is improved washed-out sand effect.

Preferably, the sand extraction tube is divided into upper section sand extraction tube and lower section sand extraction tube, upper section sand extraction tube and lower section sand extraction tube with External screw thread, the internal screw thread up and down of the collection chamber external screw thread with upper section sand extraction tube and lower section sand extraction tube respectively is arranged in collection chamber junction It connects, sand extraction tube air inlet, the position of the sand extraction tube air inlet and collection chamber strainer is set at the external screw thread of upper section sand extraction tube Corresponding, the aperture of the collection chamber strainer is less than filter sand partial size, and lip is arranged in collection chamber and being vertically connected at mouth for sand extraction tube Sealing.

It is further preferred that the quantity of the sand extraction tube air inlet is 6-8.

It can prevent filter sand from entering sand extraction tube.

Preferably, uniformly distributed eight division boxs on the water distributor.

Preferably, the sand arranging device is cone.

Preferably, skew T is arranged in junction between the wastewater influent pipeline and water inlet casing.

Preferably, it is connected between the water distributor and water inlet casing by collet ring.

Preferably, water purification water outlet is arranged in tank body top, and water purification water outlet is connect with overflow weir.

Preferably, the corner angle of the cone is 56-62 °；Further preferred corner angle is 58 °.

The corner angle of the cone can effectively assemble dirty sand.

Preferably, cone base is equipped with drain, and drain is equipped with ball valve.

The effect of drain is cleaning mixed and disorderly substances in pipe, draining.

The utility model has the beneficial effects that

1) collection chamber is equipped with strainer, and the aperture of strainer is less than the aperture of filtrate, filter sand is made to cannot be introduced into collection chamber, collection chamber It with sand extraction tube using being threadedly coupled, is vertically connected at mouth using rubber lip rubber seal, enables compressed air effective It concentrates on inside sand extraction tube, the waste of the air avoided.Reduce the runing time of air compressor, to effectively save The energy；

2) the outer trough of the bellows of sand-washing device is matched with interior wave crest, forms washed-out sand space, makes dirty sand and the rising of decline Water purification contact well, improve washed-out sand effect.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.

Fig. 1 is active sand filter structure chart；

Fig. 2 is collection chamber sectional view；

Fig. 3 is collection chamber top view；

Fig. 4 is sand-washing device structure chart；

Fig. 5 is sand extraction tube structure chart；

Wherein:

1, support, 2, cone, 3, cylinder, 4, skew T, 5, plumbing for waste water road, 6, backwash water out, 7, sewage inlet 8, Drum, 9, keg, 10, splashproof casing, 11, splash guard, 12, air inlet pipe, 13, sand-washing device, 14, overflow weir, 15, water purification water outlet Mouthful, 16, fixing pipe, 17, water inlet casing, 18, collet ring, 19, water distributor, 20, sand arranging device, 21, collection chamber, 22, sand extraction tube, 23, net ball valve, 24, collection chamber air inlet, 25, lip seal, 26, sand extraction tube air inlet, 27, collection chamber strainer, 28, upper section are put Sand extraction tube, 29, washed-out sand channel, 30, fixed structure.

Specific embodiment

It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.

Below with reference to embodiment, the present invention will be further described

Embodiment 1

A kind of active sand filter, including tank body and its inside separator, sewage-treatment plant, sand-washing device, Inlet duct, for tank body by the cylinder 3 on top and 2 structure composition of cone of bottom, sewage inlet 7 is arranged in the top of tank body, dirty Backwash water out 6 is arranged in the downside of water water inlet 7, and the sewage-treatment plant is located at the lower part of tank body, the sewage treatment dress It sets including water distributor 19, sand arranging device 20 from top to bottom；Separator is located at the top of tank body；Separator and sewage treatment dress It is connected between setting by sand extraction tube 22, fixing pipe 16, sand extraction tube 22 is located at the inside of fixing pipe 16, and sand extraction tube, fixing pipe pass through Water distributor 19, sand arranging device 20, the outside setting water inlet casing 17 of fixing pipe 16, the top of water distributor 19 and water inlet casing 17 connect It connects, sewage inlet 7 is connect with water inlet casing 17 by plumbing for waste water road 5, and the bottom of separator and backwash water out 6 pass through blowdown Pipeline connection, separator include drum 8 and keg 9 from outside to inside, and washed-out sand mouth is arranged in the bottom of keg 8, and sand-washing device is logical Cross the outside that fixed structure 30 is fixed on fixing pipe.

Support 1 is arranged in the lower section of cone 2.

Inlet duct is made of air inlet pipe 12 and collection chamber 21, air inlet pipe 12 between sand extraction tube 22, fixing pipe 16, into The upper end of tracheae 12 passes through separator, and the lower end of air inlet pipe 12 is connect with the collection chamber air inlet 24 of collection chamber 21, collection chamber 21 be hollow structure, and collection chamber is divided into inner and outer wall, and collection chamber air inlet is arranged on inner wall between inner and outer wall Upper and lower internal screw thread, collection chamber strainer 27 is arranged between upper and lower internal screw thread, and collection chamber 21 is connect with the internal screw thread up and down of sand extraction tube 22.

Preferably, the drum 8, keg 9 are the open structure in top, and bottom setting is open, and keg side wall is provided with square hole； Annular region between drum 8, keg 9 is gathering ground, and sewage draining exit, sewage draining exit and backwash water out 6 is arranged in the bottom of gathering ground It is connected by blow-off line.

It is further preferred that splashproof casing 10 is arranged above the keg 8, splash guard is arranged in the top of splashproof casing 10 11, flashboard is set on the square hole of keg side wall.

Preferably, the fixed structure 30 includes anchor ear and bolt, and sand-washing device is by dividing 13 groups of sand-washing device of valvular structure At sand-washing device 13 is corresponding with washed-out sand mouth.

It is further preferred that the sand-washing device 13 is the interior outward corrugated tube with dovetail groove or more interlaced arrangement, dovetail groove For washed-out sand channel 29.

Preferably, the sand extraction tube 22 divides for upper section sand extraction tube 28 and lower section sand extraction tube, and upper section sand extraction tube 28 and lower section mention Sandpipe and 21 junction of collection chamber are arranged external screw thread, the internal screw thread up and down of 21 inner wall of collection chamber respectively with upper section sand extraction tube 28 and under The external screw thread of section sand extraction tube connects, and sand extraction tube air inlet 26, the sand extraction tube air inlet are arranged at the external screw thread of upper section sand extraction tube 28 Hole 26 is corresponding with the position of collection chamber strainer 27, and the aperture of the collection chamber strainer 27 is less than filter sand partial size, collection chamber 21 with Sand extraction tube 22 is vertically connected with setting lip seal 25 at mouth.

It is further preferred that the quantity of sand extraction tube air inlet 26 is 6-8.

Preferably, uniformly distributed eight division boxs on the water distributor 19.

Preferably, the sand arranging device 20 is cone.

Preferably, the plumbing for waste water road 5 and water inlet casing 17 between junction be arranged skew T, respectively with plumbing for waste water road 5 It is connect with water inlet casing 17, fixing pipe 16.

Preferably, it is connected between water distributor 19 and water inlet casing 17 by collet ring 18.

Preferably, water purification water outlet 15 is arranged in tank body top, and water purification water outlet 15 is connect with overflow weir 14.

Preferably, the corner angle of the frustum is 56-62 °；Further preferred corner angle is 58 °.

2 angle of cone can effectively assemble dirty sand.

Preferably, 2 bottom of cone is equipped with drain, and drain is equipped with ball valve 23.

The effect of drain is cleaning mixed and disorderly substances in pipe, draining.

Preferably, water inlet line is water supply hose, and blow-off line is blowdown hose, and air inlet pipe is air induction hose.

The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.

Claims (10)

1. a kind of active sand filter, it is characterised in that: including tank body and its internal separator, sewage-treatment plant, wash Sand device, inlet duct, tank body are made of the cylinder on top and the cone structure of bottom, and wastewater influent is arranged in the top of tank body Mouthful, backwash water out is arranged in the downside of sewage inlet, and the sewage-treatment plant is located at the lower part of tank body, the sewage treatment Device includes water distributor, sand arranging device from top to bottom；Separator is located at the top of tank body；Separator and sewage-treatment plant Between connected by sand extraction tube, fixing pipe, sand extraction tube is located at the inside of fixing pipe, and sand extraction tube, fixing pipe are across water distributor, cloth sand Device, the outside setting water inlet casing of fixing pipe, the top of water distributor and water inlet casing connection, sewage inlet and water inlet casing are logical Cross the connection of plumbing for waste water road, the bottom of separator connect with backwash water out by blow-off line, separator include by outside to Washed-out sand mouth is arranged in interior drum, keg, the bottom below keg, and washed-out sand mouth connects sand-washing device, and sand-washing device passes through fixed knot Structure is fixed on the outside of fixing pipe；

Inlet duct is made of air inlet pipe and collection chamber, and between sand extraction tube, fixing pipe, the upper end of air inlet pipe passes through air inlet pipe The lower end of separator, air inlet pipe is connect with collection chamber air inlet, and collection chamber is hollow structure, and collection chamber is divided into inner wall and outer Internal screw thread up and down is arranged between inner and outer wall, on inner wall, filter is arranged between upper and lower internal screw thread for wall, collection chamber air inlet Net, collection chamber are connect with sand extraction tube by upper and lower internal screw thread.

2. active sand filter according to claim 1, it is characterised in that: the drum, keg are the open knot in top Structure, keg side wall are provided with square hole；Annular region between drum, keg is gathering ground, and sewage draining exit, row is arranged in the bottom of gathering ground Dirty mouth is connect with backwash water out by blow-off line.

3. active sand filter according to claim 2, it is characterised in that: splashproof casing is arranged above the keg, prevents The top setting splash guard of casing is splashed, flashboard is set on the square hole.

4. active sand filter according to claim 1, it is characterised in that: the fixed structure includes anchor ear and bolt, For sand-washing device by dividing the sand-washing device of valvular structure to form, sand-washing device is corresponding with washed-out sand mouth.

5. active sand filter according to claim 4, it is characterised in that: the sand-washing device be with dovetail groove inside and outside Interlaced arrangement, dovetail groove are washed-out sand channel to bellows up and down.

6. active sand filter according to claim 1, it is characterised in that: the sand extraction tube is divided into upper section sand extraction tube under External screw thread, the internal screw thread up and down point of collection chamber is arranged in section sand extraction tube, upper section sand extraction tube and lower section sand extraction tube and collection chamber junction It is not connect with the external screw thread of upper section sand extraction tube and lower section sand extraction tube, sand extraction tube air inlet is set at the external screw thread of upper section sand extraction tube, The sand extraction tube air inlet is corresponding with the position of collection chamber strainer, and the aperture of the collection chamber strainer is less than filter sand partial size, collection Lip seal is arranged in gas chamber and being vertically connected at mouth for sand extraction tube.

7. active sand filter according to claim 6, it is characterised in that: the quantity of the sand extraction tube air inlet is 6-8 It is a.

8. active sand filter according to claim 1, it is characterised in that: uniformly distributed eight points of water fill on the water distributor It sets.

9. active sand filter according to claim 1, it is characterised in that: connect between the plumbing for waste water road and water inlet casing Place's setting skew T is connect, is connect respectively with plumbing for waste water road with water inlet casing, fixing pipe, passes through bottom between water distributor and water inlet casing Filler ring connection.

10. active sand filter according to claim 1, it is characterised in that: water purification water outlet is arranged in the tank body top, Water purification water outlet is connect with overflow weir；The cone base is equipped with drain, and drain is equipped with ball valve, the apex angle of the cone Angle is 56-62 °.