CN208525914U - A kind of fixed bed filtering purification device - Google Patents

A kind of fixed bed filtering purification device Download PDF

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Publication number
CN208525914U
CN208525914U CN201820855868.3U CN201820855868U CN208525914U CN 208525914 U CN208525914 U CN 208525914U CN 201820855868 U CN201820855868 U CN 201820855868U CN 208525914 U CN208525914 U CN 208525914U
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China
Prior art keywords
water
pipe
tank
fixed bed
filtrate
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CN201820855868.3U
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Chinese (zh)
Inventor
朱洪
吕英杰
周航
马洪玺
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Shanghai Lanke Petrochemical Engineering & Technology Co Ltd
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Shanghai Lanke Petrochemical Engineering & Technology Co Ltd
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Abstract

The utility model discloses a kind of fixed bed filtering purification devices, for removing the suspended matter in fluid, including tank body, the intracorporal filter bed of tank, the ingress pipe for being passed through fluid into tank body are set, filter bed includes filtrate, the fixed bed filtering purification device further includes washing unit and air purge unit, washing unit includes backwash water pipe and the one end for being set to backwash water pipe and is located at intracorporal first water distributor of tank, air purge unit includes snorkel, and snorkel is used to be passed through gas into the tank body so that filtrate generates fluidisation.The utility model is fluidized filtrate and suspended matter by backwash gas, and a small amount of backwash water is only needed just to can be carried out abundant thorough backwash and regeneration, and has filtrate loss small, filtration flux is big, the features such as filtering accuracy is high, installs and is easy to maintain, has good practicability and market prospects.

Description

A kind of fixed bed filtering purification device
Technical field
The utility model relates to a kind of filtering and purifyings of suspended matter in removal fluid such as water, can especially carry out The fixed bed filtering purification device of backwash and regeneration.
Background technique
It is one of the main means of suspended matter in water removal by filter element filtering in water treatment field.Though candle filter Right filtering accuracy is high, but has the disadvantage in that the porosity of (1) filter core is small, and filtration flux is low, and processing water is smaller;(2) it hangs Floating object enters filter core internal gutter and filter core is easily caused to block, and with using the time to increase, the decline of filter core flux needs clear outside device It washes;(3) filter core is at high cost, and cost of water treatment is higher.Sand filter is the filter for belonging to fixed bed form, and advantage is using stone Sand, sea sand, river sand etc. are used as filter medium, and not only filtration flux is big, but also filter medium is low in cost, can solve filter core The above problem existing for filter.But there is also following problems for sand filter.(1) suspended particulate substance passes through micro- inside filter bed layer Fine pore is trapped, and work principle of filter belongs to in-depth filtration, and filtrate is not easy to clean up, with the extension of time, filtrate conglomeration, leads to Water decline, effluent quality are deteriorated, and are finally stopped work, it is necessary to replace filtrate;(2) big flow water is generally used to recoil when backwash It washes, washing time is long, and water consumption is big, and filtrate can partially run with backwash water and damage.
Utility model content
The purpose of this utility model is to provide a kind of improved fixed bed filtering purification devices.
To realize that aforementioned purpose of utility model, the technical solution adopted in the utility model are as follows:
A kind of fixed bed filtering purification device, for removing the suspended matter in fluid, including tank body, setting are intracorporal in tank Filter bed, the ingress pipe for being passed through fluid into tank body, filter bed include filtrate, and the fixed bed filtering purification device is also Including washing unit and air purge unit, washing unit includes backwash water pipe and the one end for being set to backwash water pipe and is located in tank body The first water distributor, air purge unit includes snorkel, and snorkel is used to be passed through gas into the tank body so that filtrate produces Raw fluidisation.
A preferred aspect according to the present utility model, the backwash water pipe are located at the lower part of tank body, and ingress pipe is located at tank The top of body is provided with purification outlet pipe in the lower part of tank body, and purification outlet pipe is respectively set with backwash water pipe and the two is connected to, Alternatively, purification outlet pipe and backwash water pipe are the same pipe.
One according to the present utility model specific and preferred aspect, first water distributor includes horizontally arranged Multiple first water flow distribution pipes and the first water distribution head being arranged in each first water flow distribution pipe.Preferably, the first water flow is distributed Pipe and/or the first water distribution head are embedded in filtrate.
Another specific and preferred aspect, the air purge unit according to the present utility model further include be set to snorkel one It holds and is located at the intracorporal air-flow distributor of tank.
Preferably, air-flow distributor includes horizontally arranged multiple distribution of air flow pipes and is arranged on each distribution of air flow pipe Jet thrust, it is further preferred that the distribution of air flow pipe and/or jet thrust are embedded in the filtrate.
Preferably, the fixed bed filtering purification device further includes being connected to set on tank body top and with one end of ingress pipe The second water distributor.
Further, second water distributor includes multiple the second horizontally arranged water flow distribution pipes and is arranged each The second water distribution head in second water flow distribution pipe.Preferably, second water distribution head is located at the over top of filter bed.
It is further preferred that distance from top of second water distribution head apart from filter bed is 5~500mm, fixed bed filtering Purification device further includes the sewage pipe being connected to the second water distributor.So set, can then make the sewage generated when washing It is inversely flowed into sewage pipe from the second water distribution head and the second water flow distribution pipe, and then tank body is discharged, while sewerage, due to the The blocking of two water distribution heads, filtrate will not be pulled away.
One according to the present utility model specific and preferred aspect, the filter bed include the essence set gradually from top to bottom Filtering layer, transition zone and supporting layer, wherein the partial size of the filtrate of composition filter bed of essence, transition zone and supporting layer is sequentially increased.
Preferably, tank body position where the air purge unit is correspondingly arranged at filter bed of essence, washing unit are correspondingly arranged at support Tank body position where layer.It is further preferred that air-flow distributor is embedded in filter bed of essence, and the filter bed of essence on air-flow distributor top is high Degree is 50~300mm.
Preferably, it is respectively arranged with hand hole and/or manhole at the top of the tank body and/or bottom, facilitates installation and dimension Shield.
According to the utility model, the fluid can refer to gas or liquid, preferably liquid, more preferably water.
Due to the implementation of above technical scheme, the utility model has the advantage that compared with prior art
The utility model is provided with washing unit and air purge unit simultaneously, and wherein air purge unit is by filtrate and flow of suspension Change, a small amount of backwash water is only needed just to can be carried out abundant thorough backwash and regeneration.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments recorded in the utility model, for those of ordinary skill in the art, is not making the creative labor Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the fixed bed filtering purification device of embodiment;
Wherein: 1, tank body;2, ingress pipe;3, outlet pipe is purified;4, backwash water pipe;5, snorkel;6, sewage pipe;7, second Water distributor;8, gas distributor;9, filter bed;10, the first water distributor;11,12, hand hole.
Specific embodiment
The technical solution of the utility model will be clearly and completely described below, it is clear that described embodiment is The utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without making creative work belongs to the utility model protection Range.
It should be noted that each technical characteristic of embodiment described above can be combined arbitrarily, to make description letter Clean, combination not all possible to each technical characteristic in above-described embodiment is all described, as long as however, these technologies are special Contradiction is not present in the combination of sign, all should be considered as described in this specification.
As shown in Figure 1, the present embodiment provides a kind of fixed bed filtering purification devices comprising tank body 1, for being passed through to net Change ingress pipe 2, purification outlet pipe 3, backwash water pipe 4, snorkel 5, sewage pipe 6, the air-flow distributor 8, the first water flow point of fluid The components such as orchestration 10, the second water distributor 7, manhole 11,12.
Tank body 1 is tube structure, and upper cover has a hand hole 11, and lower head also has a hand hole 12 (according to tank body size Hand hole is replaced by manhole), it is respectively equipped with the first water distributor 10, air-flow distributor 8 and second from bottom to up inside tank body 1 Water distributor 7.Filled with the filter bed 9 being made of filtrate in tank body 1, the medium of filtrate can be quartz sand, river sand, sea One of sand, haydite, anthracite, active carbon, diatomite, manganese sand, iron sand, zeolite are a variety of, and filtrate is multi-layer granularity distribution, It is divided into filter bed of essence, transition zone and supporting layer from top to bottom, wherein the media particle size of filter bed of essence is less than the medium grain of transition zone Diameter, the latter are less than the media particle size of supporting layer.Filter bed of essence media particle size can be 0.2-0.5mm, and filter bed of essence thickness can be 50 ~200mm, transition zone media particle size can be 0.3~2mm, and transition region thickness can be 50~200mm, supporting layer media particle size It can be 1~5mm, supporting layer thickness can be 50~500mm, or impurity particle of less demanding to filtering accuracy in filter bed of essence It is larger when being easier to filtering, the adjustment filtrate number of plies and each layer granularity can also be reduced.
Ingress pipe 2 be arranged on 1 top of tank body, ingress pipe 2 is connected with the second water distributor 7, the second water distributor 7 by The second water distribution head composition in the second water flow distribution pipe and distribution pipe of plurality of rows, the second water distribution of the second water distributor 7 Head is apart from 5~500mm of filtrate top interface.The setting of outlet pipe 3 is purified in 1 lower part of tank body, purifies outlet pipe 3 and the first water flow point Orchestration 10 is connected, and the first water distributor 10 is by first in the first water flow distribution pipe and the first water flow distribution pipe of plurality of rows Water distribution head composition, the first water distributor 10 are buried in filtrate supporting layer.The setting of backwash water pipe 4 is same in purification outlet pipe 3 It is connected on root canal road with purification outlet pipe 3.Snorkel 5 is arranged among tank body 1, and snorkel 5 is connected with air-flow distributor 8, gas Fluidic distributor 8 is made of the jet thrust on the pipeline and pipeline of plurality of rows, and air-flow distributor 8 is embedded in filter bed of essence, and air-flow The refined filtration layer height on 8 top of distributor is 50~300mm.
Filtering when, such as water of the fluid containing suspended matter pass sequentially through ingress pipe 2 and the second water distributor 7 uniformly into Enter filtrate, suspended matter is trapped in filter bed of essence, is discharged by the first water distributor 10 from purification through the purified water of filter material Pipe 3 flows out.
When carrying out cleaning and regeneration, backwash gas passes sequentially through snorkel 5 and air-flow distributor 8 uniformly enters filtrate, makes The suspended matter and filter medium being trapped in filter bed of essence generate vigorous fluidisation, and suspended matter is in suspended state under fluidization, together When backwash water pass sequentially through backwash water pipe 4 and the first water distributor 10 uniformly enters filtrate, back flush filtrate, backwash water Suspended matter is carried by the second water distributor 7, and be discharged from sewage pipe 6, to achieve the purpose that purify filtrate.And second Under the interception function of second water distribution head of water distributor 7, filter medium can not be avoided by the second water distribution head in backwash process The loss of filter medium.
The utility model is fluidized filtrate and suspended matter by backwash gas, only needs a small amount of backwash water just to can be carried out sufficiently thorough The backwash and regeneration at bottom, and have filtrate loss small, filtration flux is big, and filtering accuracy is high, the features such as installing and is easy to maintain, has Good practicability and market prospects.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of fixed bed filtering purification device, for removing the suspended matter in fluid, including tank body, it is arranged in the tank body Filter bed, the ingress pipe for being passed through fluid into the tank body, the filter bed includes filtrate, it is characterised in that: described Fixed bed filtering purification device further include washing unit and air purge unit, the washing unit includes backwash water pipe and be set to One end of the backwash water pipe and be located at intracorporal first water distributor of the tank, the air purge unit includes snorkel, institute The snorkel stated is used to be passed through gas into the tank body so that filtrate generates fluidisation.
2. fixed bed filtering purification device according to claim 1, it is characterised in that: the backwash water pipe is located at described The lower part of tank body, the ingress pipe are located at the top of the tank body, and the lower part of the tank body is provided with purification water outlet Pipe, the purification outlet pipe is respectively set with the backwash water pipe and the two is connected to, alternatively, the purification outlet pipe with it is described instead Wash water pipe is the same pipe.
3. fixed bed filtering purification device according to claim 1, it is characterised in that: the first water distributor packet The first water distribution head for including horizontally arranged multiple first water flow distribution pipes and being arranged in each first water flow distribution pipe, described the One water flow distribution pipe and/or the first water distribution head are embedded in the filtrate.
4. fixed bed filtering purification device according to claim 1, it is characterised in that: the air purge unit further includes setting In the snorkel one end and be located at the intracorporal air-flow distributor of the tank.
5. fixed bed filtering purification device according to claim 4, it is characterised in that: the air-flow distributor includes level Multiple distribution of air flow pipes of arrangement and the jet thrust being arranged on each distribution of air flow pipe, the distribution of air flow pipe and/or jet Head is embedded in the filtrate.
6. fixed bed filtering purification device according to claim 1, it is characterised in that: the fixed bed filtering purifies dress Setting further includes the second water distributor for being set to the tank body top and being connected to one end of the ingress pipe.
7. fixed bed filtering purification device according to claim 6, it is characterised in that: second water distributor includes Multiple the second horizontally arranged water flow distribution pipes and the second water distribution head being arranged in each second water flow distribution pipe, second cloth Head is located at the over top of the filter bed.
8. fixed bed filtering purification device according to claim 7, it is characterised in that: second water distribution head is apart from institute The distance from top for the filter bed stated is 5~500mm, and the fixed bed filtering purification device further includes and second water flow point The sewage pipe of orchestration connection.
9. according to claim 1 to fixed bed filtering purification device described in any one of 8 claims, it is characterised in that: institute Stating filter bed includes the filter bed of essence, transition zone and supporting layer set gradually from top to bottom, wherein forming the filter bed of essence, transition zone It is sequentially increased with the partial size of the filtrate of supporting layer.
10. fixed bed filtering purification device according to claim 9, it is characterised in that: the air purge unit correspondence is set Tank body position where tank body position and the washing unit are correspondingly arranged at the supporting layer where the filter bed of essence.
CN201820855868.3U 2018-06-04 2018-06-04 A kind of fixed bed filtering purification device Active CN208525914U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820855868.3U CN208525914U (en) 2018-06-04 2018-06-04 A kind of fixed bed filtering purification device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820855868.3U CN208525914U (en) 2018-06-04 2018-06-04 A kind of fixed bed filtering purification device

Publications (1)

Publication Number Publication Date
CN208525914U true CN208525914U (en) 2019-02-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820855868.3U Active CN208525914U (en) 2018-06-04 2018-06-04 A kind of fixed bed filtering purification device

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112225303A (en) * 2020-09-15 2021-01-15 浙江联池水务设备股份有限公司 Device for regulating PH of drinking water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112225303A (en) * 2020-09-15 2021-01-15 浙江联池水务设备股份有限公司 Device for regulating PH of drinking water

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