CN109231422A - A kind of filter block and filter block layer construction method - Google Patents
A kind of filter block and filter block layer construction method Download PDFInfo
- Publication number
- CN109231422A CN109231422A CN201811002426.5A CN201811002426A CN109231422A CN 109231422 A CN109231422 A CN 109231422A CN 201811002426 A CN201811002426 A CN 201811002426A CN 109231422 A CN109231422 A CN 109231422A
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- Prior art keywords
- filter block
- filter
- shell
- concrete
- construction method
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of filter blocks, including filter block shell and concrete；Filter block shell is internally provided with cavity, and a side of filter block shell is provided with mortise, and the other side is provided with tenon；Concrete Filled is in the cavity.A kind of construction method of filter block layer, including survey gradient step, graticule step, be laid with step, survey flat step, fastening steps, pour step, screed step, unbundlings step, forming step and curing step.Present invention reduces the cost of filter block during transportation, reduce transport front and back the great filter block of monolithic weight is carried, time for putting and manpower；Meanwhile the construction of filter block layer is completed at the scene, outsourcing filter block is compared, economic cost is lower.
Description
Technical field
The present invention relates to sewage treatment fields, and in particular to a kind of filter block and filter block layer construction method.
Background technique
The air distribution and water distribution system of biofilter has at present: filter plate filter, ceramic filter tiles, T-type filter block and HDPE filter block
Deng.There is certain dead angle as air distribution and water distribution system in filter plate filter, after adding up operation a period of time, filtrate holds in operation
Blocking easy to harden.Ceramic filter tiles can only water distribution be unable to distribution, it is low to the backwash overall efficiency of biofilter.HDPE and T-type filter block
The effect of biofilter air distribution and water distribution can be realized very well, but HDPE filter block involves great expense, cost of investment is high, and limiting it makes
With.Since T-type filter block is using the mode of plastic shell+Concrete Filled combination forming, so its price is with respect to HDPE
Filter block is cheap many, and air distribution and water distribution effect is also ensured, therefore T-type filter block application is wider.
In order to ensure the air distribution and water distribution effect of filter block, the weight of monolithic filter block be there are certain requirements, and mortise and tenon is used between filter block
The fixed weight for increasing filter block entirety avoids filter block in backwash process from overturning.
As described above, there are technological deficiencies below for existing T-type filter block layer or HDPE filter block layer:
1, since the filler inside filter block is commonly concrete, the weight of monolithic filter block is very big, transportational process
At high cost, transport front and back also need to carry filter block, put, transport is quite inconvenient；
2, the filter block price of outsourcing is higher, and economic cost is higher.
Summary of the invention
In order to overcome the deficiencies of the prior art, it is an object of the present invention to provide a kind of filter blocks, can be used for filter block layer
It is laid with, improves the effect of filter tank air distribution and water distribution, the second object of the present invention is to provide a kind of construction method of filter block layer, can
The construction of filter block layer is completed at the scene.
The following technical solution is employed to realize: a kind of filter block of characterized by comprising filter block shell and coagulation by the present invention
Soil；Filter block shell is internally provided with cavity, and a side of filter block shell is provided with mortise, and the other side of filter block shell is provided with tenon
Head, tenon is for the mortise tenon connection with another filter block shell；Concrete Filled is in the cavities.
Use the filter block layer construction method of the filter block, comprising: be laid with step, multiple filter block shells are laid in rectangular
The bottom of pond in filter tank is closed between the filter block shell of adjacent column by the mutual tenon of mortise and tenon of side, between the filter block shell of adjacent row
Closely offset；Step is poured, concrete is uniformly cast in the cavity of filter block shell；Screed step, by the upper surface of concrete
Leveling, flushes it with the upper surface of filter block shell；Forming step places filter block at least 24 hours, forms to concrete coagulation.
Further, before being laid with step, further includes: survey gradient step, carry out slope measuring, bottom of pond to the bottom of pond in filter tank
The gradient no more than 0.5%.
Further, it is surveying gradient step and is being laid between step, further includes: graticule step is measured on the pool wall in filter tank
Out and indicate horizontal auxiliary line, horizontal auxiliary line size with a distance from bottom of pond is equal to the height size of filter block.
Further, it is being laid with step and is pouring between step, further includes: surveying flat step, water is carried out to each filter block shell
Pingdu measurement, any point of the upper surface of filter block shell and the error of horizontal auxiliary line must not exceed ± 5mm.
Further, it is surveying flat step and is pouring between step, further includes: fastening steps, the filter that will be laid with steel wire
Brick layer tightens, so that filter block shell is less likely to occur to loosen in pouring step.
Further, between screed step and forming step, further includes: unbundlings step will prick after completing screed step
The steel wire of tight filter block shell is unlocked.
Further, after the moulding step, further includes: curing step carries out concrete after concrete coagulation molding
Water spray or soaked maintenance, the water temperature and the concrete surface temperature difference for controlling water spray are less than 15 DEG C.
Compared with the prior art, the beneficial effects of the present invention are: a kind of filter block is provided, the effect of filter tank air distribution and water distribution is improved
Fruit；A kind of construction method of filter block layer is provided, the laying of filter block layer can be completed at the scene and is poured, individually to filter block before construction
Shell and concrete are transported, and the cost of filter block during transportation is reduced, and reduce transport front and back to monolithic weight
The time and manpower that great filter block carried, is put；Meanwhile the construction of filter block layer is completed at the scene, compare outsourcing filter
Brick, economic cost are lower.(beneficial effect for filling into filter block theme)
Detailed description of the invention
Fig. 1 is the left view of filter block；
Fig. 2 is the top view of filter block；
Fig. 3 is the front view of filter block；
Fig. 4 is the top view of filter block layer；
Fig. 5 is the step schematic diagram of the construction method of filter block layer.
In figure: 10, filter block；11, filter block shell；12, cavity；13, concrete；14, mortise；15, tenon.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
- Fig. 3 refering to fig. 1, the present invention provides a kind of filter blocks 10 to play for being laid in filter block layer in biofilter
The effect of air distribution and water distribution.This filter block 10 includes filter block shell 11 and concrete 13, and wherein filter block shell 11 is internally provided with sky
Chamber 12, concrete 13 are filled in cavity 12；It is provided with mortise 14 on one side of filter block shell 11, is arranged on another side
There is tenon 15.Tenon 15 is for 14 tenon connection of mortise with another filter block shell 11, to realize the connection between filter block 10.
Refering to Fig. 5, the present invention also provides a kind of construction methods of filter block layer, include: step are laid with, by filter block shell 11
It is laid in the bottom of pond in filter tank in rectangular, is closed between the filter block shell 11 of adjacent column by mortise 14 and the mutual tenon of tenon 15, with
The single laying of filter block layer is formed, is closely offseted between the filter block shell 11 of adjacent row, the whole of filter block layer can be completed and be laid with, filter
The structure of brick layer sees Fig. 4；Step is poured, concrete 13 is uniformly cast in the cavity 12 of filter block shell 11, to realize filter
Filling inside brick shell 11；The upper surface of concrete 13 is flattened, flushes it with the upper surface of filter block shell 11 by screed step；
Forming step places filter block 10 at least 24 hours, condenses and forms to concrete 13.
Construction method in this way can complete the laying of filter block layer at the scene and pour, individually to filter block before construction
Shell 11 and concrete 13 are transported, and the cost in transportational process is reduced, and reduce transport front and back to monolithic weight pole
The time and manpower that big filter block carried, is put；Meanwhile the construction of filter block layer is completed at the scene, outsourcing filter block has been compared,
Economic cost is lower.
Refering to Fig. 4, in the present embodiment, relative to filter tank, the first lateral connection of filter block shell 11 is single filter block 10, then by
Multiple rows of filter block 10 is longitudinal to be laid with, to complete the laying of filter block layer.The quantity that filter block 10 is respectively adopted on horizontal and vertical is indefinite,
Depending on the specific size in filter tank.
As another embodiment, the whole of filter block layer is laid with the laying for only needing row's filter block 10.Specifically, because of filter
The length scale of brick 10 can depending on filter tank physical length and customize, the length scale of filter block shell 11 can be designed as filter tank
Length scale, then several pieces of 10 lateral connections of filter block can be realized and be covered with to filter tank bottom of pond at single filter block 10.Due to
The quantity of filter block 10 only has a row, thus in such an embodiment the connection and laying of filter block shell 11, concrete 13 pour
It is more convenient time saving.
Refering to Fig. 5, as a preferred embodiment, further including surveying gradient step before being laid with step, with measurement work
Have the measurement for carrying out the gradient to the bottom of pond in filter tank, and guarantees the gradient of bottom of pond no more than 0.5%.The gradient within this range
Can guarantee the flatness of filter block layer, at the same backwashed in filter tank process when, can guarantee that the effect of water distribution is more uniform.
As a preferred embodiment, the invention also includes graticule steps surveying gradient step and being laid between step
Suddenly, horizontal auxiliary line is measured and indicated on the pool wall in filter tank, and horizontal auxiliary line size with a distance from bottom of pond is equal to filter block 10
Height size guarantees the smooth of filter block 10 so that filter block 10 can be compared with horizontal auxiliary line in the laying work below
Degree.
As a preferred embodiment, step and poured between step being laid with, the invention also includes surveying flat step,
Horizontal degree measurement is carried out to each filter block shell 11, any point of the upper surface of filter block shell 11 and the error of horizontal auxiliary line must not surpass
Cross ± 5mm.In this way, guarantee the flatness of filter block layer surface, to make the uniform in effect of air distribution and water distribution, recoil
It is not easy to occur rinsing dead angle when washing.
As a preferred embodiment, surveying flat step and pouring between step, the invention also includes fastening steps,
The filter block shell 11 laid is tightened with steel wire, or filter block layer is fixed with other fasteners that can play equal same-actions.
Due to the lighter in weight of filter block shell 11, fastening steps can make filter block shell 11 will not be because of concrete 13 in pouring step
Topple over and fill and loosen, influence the arrangement of filter block layer.
As a preferred embodiment, between screed step and forming step, the invention also includes unbundlings step,
After the surface to concrete 13 flattens, the steel wire for tightening filter block shell 11 is unlocked, or other are played into the tight of equal same-actions
Firmware is unlocked.Since after the filling of concrete 13, the weight of filter block 10 is larger, therefore do not need not allowing by extraneous fastening yet
Easily occur to loosen, be also less likely to occur to overturn during the backwash process.
As a preferred embodiment, after the conformation step, the invention also includes curing steps, in concrete 13
After condensation molding, water spray is carried out to concrete 13 or soaked maintenance is handled, controls the water temperature and 13 surface temperature of concrete of water spray
Difference can play the role of preventing moisture evaporation, reduce the dry contraction of 13 structure of concrete less than 15 DEG C.In addition, in addition to water spray
Maintenance can also use other maintenance methods such as brushing curing agent and stickup plastic film.
Particularly, to the explanation of the summarizing property of sequencing of the present embodiment course of work: gradient step is surveyed, first with survey
Amount tool carries out the measurement of the gradient to the bottom of pond in filter tank, and guarantees the gradient of bottom of pond no more than 0.5%；Graticule step is being filtered
Horizontal auxiliary line is measured and indicated on the pool wall in pond, and the height that horizontal auxiliary line size with a distance from bottom of pond is equal to filter block 10 is big
It is small；It is laid with step, filter block shell 11 is laid in the bottom of pond in filter tank, passes through mortise 14 and the mutual tenon of tenon 15 between filter block shell 11
It closes, to form the single laying of filter block layer, then the filter block 10 of several rows is closely laid on the end direction of filter block 10；It surveys flat
Step carries out horizontal degree measurement, any point of the upper surface of filter block shell 11 and the error of horizontal auxiliary line to each filter block shell 11
It must not exceed ± 5mm；Fastening steps are tightened the filter block shell 11 laid with steel wire；Step is poured, concrete 13 is uniformly poured
It builds in the cavity 12 of filter block shell 11；The upper surface of concrete 13 is flattened, makes the upper surface of itself and filter block shell 11 by screed step
It flushes；Unbundlings step unlocks the steel wire for tightening filter block shell 11 after the surface to concrete 13 flattens；Forming step,
Filter block 10 is placed at least 24 hours, condenses and forms to concrete 13；Curing step, after the condensation molding of concrete 13, to mixed
Solidifying soil 13 carries out water spray or soaked maintenance processing, and the water temperature for controlling water spray and 13 surface temperature difference of concrete are less than 15 DEG C.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (8)
1. a kind of filter block characterized by comprising filter block shell and concrete；The filter block shell is internally provided with cavity, described
One side of filter block shell is provided with mortise, and the other side of the filter block shell is provided with tenon, and the tenon is used for and another filter
The mortise tenon connection of brick shell；The Concrete Filled is in the cavity.
2. using the filter block layer construction method of the filter block characterized by comprising
It is laid with step, is in the rectangular bottom of pond for being laid on filter tank by multiple filter block shells, passes through between the filter block shell of adjacent column
The mutual tenon of the mortise and tenon of side closes, and closely offsets between the filter block shell of adjacent row；
Step is poured, concrete is uniformly cast in the cavity of the filter block shell；
The upper surface of the concrete is flattened, flushes it with the upper surface of the filter block shell by screed step；
Forming step forms the filter block room temperature at least 24 hours to the concrete coagulation.
3. the construction method of filter block layer as claimed in claim 2, which is characterized in that before the laying step, further includes: survey
Gradient step carries out slope measuring to the bottom of pond in the filter tank, and the gradient of the bottom of pond is no more than 0.5%.
4. the construction method of filter block layer as claimed in claim 3, which is characterized in that in the survey gradient step and the laying
Between step, further includes: graticule step measures on the pool wall in the filter tank and indicate horizontal auxiliary line, the horizontal auxiliary
Line size with a distance from bottom of pond is equal to the height size of the filter block.
5. the construction method of filter block layer as claimed in claim 4, which is characterized in that in the laying step and described pour step
Between rapid, further includes: survey flat step, carry out horizontal degree measurement to each filter block shell, the upper surface of the filter block shell is appointed
A little it must not exceed ± 5mm with the error of the horizontal auxiliary line.
6. the construction method of filter block layer as claimed in claim 5, which is characterized in that survey flat step described and described pour step
Between rapid, further includes: fastening steps are tightened the filter block layer laid with steel wire, for pouring institute in step described
Filter block shell is stated to be less likely to occur to loosen.
7. the construction method of filter block layer as claimed in claim 6, which is characterized in that walked in the screed step and the molding
Between rapid, further includes: unbundlings step unlocks the steel wire for tightening the filter block shell after completing screed step.
8. the construction method of filter block layer as claimed in claim 2, which is characterized in that after the forming step, further includes: support
Protect step, after concrete coagulation molding, water spray or soaked maintenance carried out to the concrete, control the water temperature of water spray with
The concrete surface temperature difference is less than 15 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811002426.5A CN109231422A (en) | 2018-08-30 | 2018-08-30 | A kind of filter block and filter block layer construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811002426.5A CN109231422A (en) | 2018-08-30 | 2018-08-30 | A kind of filter block and filter block layer construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109231422A true CN109231422A (en) | 2019-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811002426.5A Pending CN109231422A (en) | 2018-08-30 | 2018-08-30 | A kind of filter block and filter block layer construction method |
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| Country | Link |
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| CN (1) | CN109231422A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4923606A (en) * | 1988-02-26 | 1990-05-08 | Tetra Technologies | Plastic-jacketed filter underdrain block |
| WO1991011244A1 (en) * | 1990-01-31 | 1991-08-08 | Tetra Technologies, Inc. | Plastic-jacketed filter underdrain block |
| CN203582583U (en) * | 2013-11-12 | 2014-05-07 | 台州中昌水处理设备有限公司 | Filter brick for denitrifying deep bed filter |
| CN205603314U (en) * | 2016-04-27 | 2016-09-28 | 上海奥德水处理科技有限公司 | A filter block that is used for filtering pond water distribution gas distribution system |
| CN106277367A (en) * | 2016-10-14 | 2017-01-04 | 浙江德安科技股份有限公司 | A kind of deep bed denitrification bio-filter |
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2018
- 2018-08-30 CN CN201811002426.5A patent/CN109231422A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4923606A (en) * | 1988-02-26 | 1990-05-08 | Tetra Technologies | Plastic-jacketed filter underdrain block |
| WO1991011244A1 (en) * | 1990-01-31 | 1991-08-08 | Tetra Technologies, Inc. | Plastic-jacketed filter underdrain block |
| CN203582583U (en) * | 2013-11-12 | 2014-05-07 | 台州中昌水处理设备有限公司 | Filter brick for denitrifying deep bed filter |
| CN205603314U (en) * | 2016-04-27 | 2016-09-28 | 上海奥德水处理科技有限公司 | A filter block that is used for filtering pond water distribution gas distribution system |
| CN106277367A (en) * | 2016-10-14 | 2017-01-04 | 浙江德安科技股份有限公司 | A kind of deep bed denitrification bio-filter |
Non-Patent Citations (3)
| Title |
|---|
| 中铁电气化局集团有限公司编: "《接触网工程（普速）施工作业操作手册》", 31 December 2014, 中国铁道出版社 * |
| 侯永生 等: "《水泥混凝土施工技术问答》", 28 February 2014, 中国铁道出版社 * |
| 孙久军 等: "V型滤池滤砖施工中的质量控制", 《中国给水排水》 * |
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Application publication date: 20190118 |
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