CN206391659U - A kind of anti-hardened continuous sand filtering device - Google Patents

A kind of anti-hardened continuous sand filtering device Download PDF

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Publication number
CN206391659U
CN206391659U CN201720025872.2U CN201720025872U CN206391659U CN 206391659 U CN206391659 U CN 206391659U CN 201720025872 U CN201720025872 U CN 201720025872U CN 206391659 U CN206391659 U CN 206391659U
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CN
China
Prior art keywords
sand
extraction tube
shell
feed pipe
washing device
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Application number
CN201720025872.2U
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Chinese (zh)
Inventor
戚恺
强红
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Shen Qin Water Treatment Technology (shanghai) Co Ltd
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Shen Qin Water Treatment Technology (shanghai) Co Ltd
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Priority to CN201720025872.2U priority Critical patent/CN206391659U/en
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Publication of CN206391659U publication Critical patent/CN206391659U/en
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Abstract

The utility model discloses a kind of anti-hardened continuous sand filtering device, including shell, it is arranged on the casting bed in the shell, it is located in the feed pipe in the casting bed, it is set in the husky device of cloth water cloth of the feed pipe bottom, it is located in the sand extraction tube in the feed pipe, it is arranged on the sand-washing device of the shell upper, and it is arranged on the outlet pipe of the shell upper, the feed pipe upper end is blocked and side wall is communicated to the water inlet pipe for stretching out the shell, the sand-washing device is arranged on the top of the feed pipe, the sand extraction tube lower end extends to the outer casing bottom as compressed air inlet, the sand extraction tube upper end stretches out the upper end of the feed pipe and extends to the top of the sand-washing device to be exported as sand, the sand-washing device is connected with the washed-out sand water discharge pipe for stretching out the shell, the pipeline section that the sand extraction tube is located above the sand-washing device is provided with opening and closing device.The continuous sand filtering device that the utility model is provided, it is possible to resolve the casting bed that continuous sand filtration occurs in operation blocks, it is hardened the problem of.

Description

A kind of anti-hardened continuous sand filtering device
Technical field
The utility model is related to technical field of sewage, more particularly to a kind of anti-hardened continuous sand filtering device.
Background technology
The continuous sand filtration of gas stripping type is that a kind of depth for being used to compare pure water quality that Europe is developed in the eighties in last century is net Hydrophone.Need not by sand filter it is out of service just can with cleaning sand bed.Water flows through water-distributing device and enters filter bottom, from lower and On flow through casting bed and filtered, the dirty sand of bottom takes in washer and cleaned under gas stripping, and suspension under washing etc. is with clear Wash water is discharged, and the sand of wash clean falls back to casting bed top.
Due to can continuously run so that stable effluent quality (reversely-washing sand filtration casting bed cleaning before and after change of water quality compared with Greatly), and relative to reversely-washing sand filtration, continuous sand filtration can adjust washed-out sand speed, and disposal ability is higher, thus is widely used In advanced treating.But continuous sand filtration is improper or when shutting down when meet with exceeded, the washed-out sand speed control into aqueous suspension, Easily cause casting bed to block and hardened, use aqueous suspension and increase, turbidity becomes big.Now need to carry out pickling or artificial founding, Need to change layer of sand when serious.The utility model is therefore.
Utility model content
In order to solve the problems of the prior art, the utility model purpose is to provide a kind of anti-hardened continuous sand filtration dress Put, solve the casting bed that continuous sand filtration occurs in operation block, it is hardened the problem of.
Based on above mentioned problem, the technical scheme that the utility model is provided is:
A kind of anti-hardened continuous sand filtering device, including shell, be arranged in the shell casting bed, be located in the sand Feed pipe in bed, the husky device of cloth water cloth for being set in the feed pipe bottom, the sand extraction tube being located in the feed pipe, set Put the sand-washing device in portion on the housing and be arranged on the outlet pipe of the shell upper, the feed pipe upper end closure and side Wall is communicated to the water inlet pipe for stretching out the shell, and the sand-washing device is arranged on the top of the feed pipe, the sand extraction tube lower end The outer casing bottom is extended to as compressed air inlet, the sand extraction tube upper end is stretched out the upper end of the feed pipe and extended to The top of the sand-washing device is exported as sand, and the sand-washing device is connected with the washed-out sand water discharge pipe for stretching out the shell, described to carry The pipeline section that sandpipe is located above the sand-washing device is provided with the opening and closing device for realizing the sand gate out switch.
In some embodiments wherein, the opening and closing device is detachably to set sand extraction tube upper end sand outlet Closure.
In some embodiments wherein, the sand extraction tube is provided with external screw thread, and the closure is provided with internal thread, described Closure is threadedly coupled with the sand extraction tube.
In some embodiments wherein, the opening and closing device is the plug for being arranged on the sand extraction tube upper end sand exit Son.
In some embodiments wherein, the plug is provided with external screw thread, and the sand extraction tube is provided with internal thread, the plug It is sub to be threadedly coupled with the sand extraction tube.
In some embodiments wherein, the opening and closing device is located on the sand-washing device to be arranged on the sand extraction tube Valve in square tube section.
Compared with prior art, the utility model has the advantages that:
1. using the technical solution of the utility model, it is located in sand extraction tube on the pipeline section above sand-washing device and opening and closing dress is set Put, when sand filtering device is normally run, open opening and closing device, compressed air drives sand grains and water to rise in sand extraction tube, realization pair The cleaning of dirty sand, when casting bed occurs blocking or be hardened, closes opening and closing device, increases compressed air tolerance, and compressed air is passed through Casting bed is flowed up, and compressed gas produces strong disturbance to casting bed, so as to remove hardened or block;
2. using the technical solution of the utility model, recoiled through compressed air, recoil time is short, it is only necessary to which more than ten seconds extremely The time of one minute is that can remove the hardened of casting bed or block, the effect for not influenceing sand filtration to run;
3. using the technical solution of the utility model, the problem of hardened casting bed or blocking can be effectively solved, water outlet is improved steady It is qualitative, extend the service life of filtrate;
4. the technical solution of the utility model is used, using the feeder of original continuous sand filtration, without extra increase gas System is washed, operating cost is reduced;
5. using the technical solution of the utility model, instead of artificial washed-out sand and founding of the casting bed when hardened, reduction is run into This.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, required in being described below to embodiment The accompanying drawing used is briefly described, and drawings in the following description are only some embodiments of the present utility model, for ability For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached Figure.
Fig. 1 is a kind of structural representation of anti-hardened continuous sand filtering device embodiment of the utility model;
Wherein:1st, shell;2nd, casting bed;3rd, feed pipe;4th, cloth water cloth sand device;5th, sand extraction tube;5-1, compressed air inlet; 5-2, sand outlet;6th, sand-washing device;7th, water inlet pipe;8th, washed-out sand water discharge pipe;9th, outlet pipe;10th, opening and closing device.
Embodiment
Such scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are to be used to illustrate The utility model and be not limited to limit scope of the present utility model.The implementation condition used in embodiment can be according to specific producer Condition do further adjustment, unreceipted implementation condition is usually the condition in normal experiment.
Referring to Fig. 1, be the utility model embodiment schematic diagram there is provided a kind of anti-hardened continuous sand filtering device, including Shell 1, the casting bed 2 being arranged in shell 1, the feed pipe 3 being located in casting bed 2, the cloth water cloth sand for being set in the bottom of feed pipe 3 Device 4, the sand extraction tube 5 being located in feed pipe 3, the sand-washing device 6 for being arranged on the top of shell 1 and it is arranged on going out for shell upper Water pipe 9, wherein casting bed 2 are filled in the top half of shell 1 between bottom, and the upper end of feed pipe 3 is blocked and side wall is communicated to and stretched Go out the water inlet pipe 3 of shell, the concrete structure of cloth water cloth sand device 4 is remembered in detail in Chinese patent application 201610277970.5 Carry, the utility model is repeated no more here.
Sand-washing device 6 is arranged on the top of feed pipe 3, and the lower end of sand extraction tube 5 extends to the bottom of shell 1 as compressed air inlet 5-1, the upper end of sand extraction tube 5, which stretches out the upper end of feed pipe 3 and extends to the top of sand-washing device 6 as sand, exports 5-2, and sand-washing device 6 is connected There is the washed-out sand water discharge pipe 8 for stretching out shell 1, hardened or blocking ask occur in order to solve continuous sand filtration casting bed 2 in the prior art Topic, is located at provided with the opening and closing device 10 for realizing sand outlet 5-2 switches on the pipeline section of the top of sand-washing device 6, for being opened and closed in sand extraction tube 5 Sand extraction tube 5, when sand filtering device is normally run, opens opening and closing device 10, compressed air drives sand grains and water on sand extraction tube 5 is interior Rise, realize the cleaning to dirty sand, when casting bed 2 occurs blocking or be hardened, close opening and closing device 10, increase compressed air tolerance, Compressed air is flowed up through casting bed 2, and compressed gas produces strong disturbance to casting bed 2, so as to remove hardened or block.
In preferred embodiment, opening and closing device 10 is the closure for being detachably arranged at the upper end of sand extraction tube 5, in sand extraction tube 5 outer walls are provided with external screw thread, and closure sets internal thread, and closure is threadedly coupled with sand extraction tube 5.
In other embodiments, opening and closing device 10 is to be arranged on sand extraction tube 5 to be located at the valve washed on the husky top pipeline section of device 6 Door, the opening and closing of sand extraction tube 5 is realized by being opened and closed valve.
In other embodiments, opening and closing device 10 can also be to be arranged on the plug at the upper end outlet of sand extraction tube 5, in order to The sealing for improving plug and sand extraction tube 5 coordinates, and the plug can be threadedly coupled with sand extraction tube 5.
Examples detailed above is only to illustrate technical concepts and features of the present utility model, and its object is to allow be familiar with technique Personnel can understand content of the present utility model and implement according to this, and protection domain of the present utility model can not be limited with this.It is all The equivalent transformation done according to the utility model Spirit Essence or modification, should all cover protection domain of the present utility model it It is interior.

Claims (6)

1. a kind of anti-hardened continuous sand filtering device, including shell (1), be arranged in the shell (1) casting bed (2), wear Feed pipe (3) in the casting bed (2), the husky device (4) of cloth water cloth for being set in the feed pipe (3) bottom, it is located in institute The sand extraction tube (5) in feed pipe (3) is stated, the sand-washing device (6) on the shell (1) top is arranged on and is arranged on the shell (1) The outlet pipe (9) on top, feed pipe (3) upper end is blocked and side wall is communicated to the water inlet pipe (7) for stretching out the shell (1), The sand-washing device (6) is arranged on the top of the feed pipe (3), and sand extraction tube (5) lower end extends to the shell (1) bottom As compressed air inlet (5-1), sand extraction tube (5) upper end stretches out the upper end of the feed pipe (3) and extends to described wash The top of sand device (6) is exported (5-2) as sand, and the sand-washing device (6) is connected with the washed-out sand water discharge pipe for stretching out the shell (1) (8), it is characterised in that:The pipeline section that the sand extraction tube (5) is located above the sand-washing device (6), which is provided with, realizes the sand outlet The opening and closing device (10) of (5-2) switch.
2. anti-hardened continuous sand filtering device according to claim 1, it is characterised in that:The opening and closing device (10) is can Dismounting sets the closure of sand extraction tube (5) upper end sand outlet (5-2).
3. anti-hardened continuous sand filtering device according to claim 2, it is characterised in that:The sand extraction tube (5) is provided with outer Screw thread, the closure is provided with internal thread, and the closure is threadedly coupled with the sand extraction tube (5).
4. anti-hardened continuous sand filtering device according to claim 1, it is characterised in that:The opening and closing device (10) is to set Put the plug that (5-2) place is exported in the sand extraction tube (5) upper end sand.
5. anti-hardened continuous sand filtering device according to claim 4, it is characterised in that:The plug is provided with external screw thread, The sand extraction tube (5) is provided with internal thread, and the plug is threadedly coupled with the sand extraction tube (5).
6. anti-hardened continuous sand filtering device according to claim 1, it is characterised in that:The opening and closing device (10) is to set Put and be located at the valve above the sand-washing device (6) on pipeline section in the sand extraction tube (5).
CN201720025872.2U 2017-01-10 2017-01-10 A kind of anti-hardened continuous sand filtering device Active CN206391659U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720025872.2U CN206391659U (en) 2017-01-10 2017-01-10 A kind of anti-hardened continuous sand filtering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720025872.2U CN206391659U (en) 2017-01-10 2017-01-10 A kind of anti-hardened continuous sand filtering device

Publications (1)

Publication Number Publication Date
CN206391659U true CN206391659U (en) 2017-08-11

Family

ID=59513257

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720025872.2U Active CN206391659U (en) 2017-01-10 2017-01-10 A kind of anti-hardened continuous sand filtering device

Country Status (1)

Country Link
CN (1) CN206391659U (en)

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