CN104402108A

CN104402108A - Bricked slow biological filter for rocky desert area and using method of bricked slow biological filter

Info

Publication number: CN104402108A
Application number: CN201410730901.6A
Authority: CN
Inventors: 熊康宁; 朱林阁; 高璟钰; 李晓娜
Original assignee: Guizhou Education University
Current assignee: Guizhou Education University
Priority date: 2014-12-05
Filing date: 2014-12-05
Publication date: 2015-03-11
Anticipated expiration: 2034-12-05
Also published as: CN104402108B

Abstract

The invention provides a bricked slow biological filter for a rocky desert area. The bricked slow biological filter comprises a filter body, a partition plate and a filter layer, wherein the partition plate is transversely arranged in the filter body; water filtering holes are formed in the partition plate; the filter layer is arranged on the partition plate; a water outlet pipe penetrating through the filter body is arranged on the sidewall of the filter body below the partition plate; a water inlet pipe is led into the filter body above the partition plate; the sidewall of the filter body is constructed by bricks, and is 220 to 250mm thick; the filter layer comprises a pebble supporting layer, a ceramsite layer, a coir mat layer, a mixed layer and a quartz sand layer, which are sequentially arranged from bottom to top; the mixed layer is formed by mixing and filling quartz sand and shell activated carbon. According to the bricked slow biological filter, the problem that the quality of water in a Karst rocky desert area is poorer and the conventional water purification technology is inapplicable to the Karst rocky desert area due to the influence of factors such as the geographical environment is solved; the bricked slow biological filter belongs to the field of water purification of Karst rocky desert areas.

Description

A kind of brick type bio-slow sand filtration for Rocky Desertification Region and using method thereof

Technical field

The present invention relates to a kind of slow filter, belong to field of water quality purification.

Background technology

The Problems In The Security of Water Resources of Rocky Desertification Region has become the Important Problems of current social common concern, also becomes urgent need to solve the problem.The hygienic standard of national tap water is not all met at the drinking-water quality of most of residents in rural area, Rocky Desertification Region, especially Karst Area of Guizhou is located in subtropics, it is Karst Area in flakes the biggest in the world, karstification is strong, Hydrologic Structure is complicated, the feature difficult point of Rocky Desertification Region water correction is combined research with Biology Slow Filtering Techniques, has expanded the theoretical basis of Biology Slow Filtering Techniques, building and running also there is important directive significance for bio-slow sand filtration.

Slow filter, compared with other water technologies, normally can work under without mechanical power and chemical agent condition.But the research of China to Biology Slow Filtering Techniques is less, the research of especially southwestern Rocky Desertification Region to Biology Slow Filtering Techniques is almost blank.Research Rocky Desertification Region distributing Biology Slow Filtering Techniques can fill up the blank of this respect, and the water security technical study for Rocky Desertification Region provides good theoretical foundation and experience instructs.

It is simple that Biology Slow Filtering Techniques has management, and stable and reliable operation, the feature that water producing cost is low, is of great practical significance and exemplary role to the drinking-water quality improving Karst Rocky Desertification Region.

Summary of the invention

The object of the invention is to: solve Karst Rocky Desertification Region water quality poor, and due to the impact of the factors such as geographical environment, current water purification technology is in greying areas such as karsts and inapplicable problem.

The solution of the present invention is as follows: a kind of brick type bio-slow sand filtration for Rocky Desertification Region, comprise pond body, dividing plate and filtering layer, dividing plate is horizontally installed in the body of pond, and dividing plate offers treatment hole, filtering layer is arranged on dividing plate, below dividing plate pond body sidewall on offer the rising pipe of through pond body, introduce in pond body above dividing plate and have water inlet pipe, the sidewall of pond body is that brick is built by laying bricks or stones and formed, wall thickness is 220-250mm, filtering layer comprises the cobble supporting layer set gradually from top to bottom, haydite layer, palm fibre bed course, mixolimnion and quartz sand layer, described mixolimnion is that quartz sand forms with active fruit shell carbon mixing filling.

Preferably, the surrounding of described dividing plate is embedded in the body of pond or is integral type structure with pond body, and the thickness of dividing plate is 80-120mm, setting like this, under the condition ensureing dividing plate stability, additionally arranges supporting structure without the need to the lower end at dividing plate, simplify one-piece construction, cost-saving.

Preferably, the thickness of described cobble supporting layer is 80-120mm, and the cobble being 30-50mm by diameter forms.

Preferably, the thickness of described haydite layer is 80-120mm, and the haydite being 10-20mm by diameter forms.

Preferably, described brown cushion thickness is 25-35mm.

Preferably, the thickness of described mixolimnion is 450-550mm, and the active fruit shell carbon being 1-3mm by 20-40 object quartz sand and particle diameter mixes by 3:1.

Preferably, the thickness of described quartz sand layer is 350-450mm, is filled form by 20-40 object quartz sand.

Preferably, the water inlet pipe in the body of pond is provided with float(ing)valve, the exit end of water inlet pipe is provided with shower nozzle.

Preferably, pond body sidewall offers the overflow weir of through pond body sidewall apart from 8-12cm place, body upper end, pond.

Preferably, the sidewall bottom the body of pond also offers the blow-down pipe of through pond body, blow-down pipe is provided with valve.

Compared with prior art, major advantage is without the need to using the purification that can realize water quality when mechanical power or chemical agent in the present invention; Simultaneously, structure is comparatively simple, material requested is mostly comparatively general in karst region, as brick, quartz sand, palm fibre pad, cobble etc. all can be gathered materials on the spot, is convenient to build, management is simple, stable and reliable operation, water producing cost is low, and each family can build a described slow filter very easily, for having inconvenient traffic, and the resident of the Rocky Desertification Region such as karst of comparatively disperseing of residential pattern is very practical; Structure of filtering layer adopts cobble, haydite, palm fibre pad, active fruit shell carbon and quartz sand to combine; greatly optimize decontamination effect improving; ensure water quality safety; meanwhile, mixolimnion adopts active fruit shell carbon to mix with quartz sand and fills, and adds the contact area of every gac and water body; make the adsorption effect of gac better; use less gac also can reach good purifying water effect, decrease the usage quantity of active fruit shell carbon, thus reduce costs.

Accompanying drawing explanation

Fig. 1 is that master of the present invention looks cross-sectional view.

Embodiment

For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail,

Composition graphs 1, brick type bio-slow sand filtration described in the present embodiment, comprise pond body 1, dividing plate 2 and filtering layer 3, dividing plate 2 is horizontally installed in pond body 1, the surrounding of dividing plate 2 to be embedded in pond body 1 or to be integral type structure with pond body 1, the thickness of dividing plate 2 is 100mm, dividing plate 2 offers treatment hole 201, filtering layer 3 is arranged on dividing plate 2, below dividing plate 2 pond body 1 sidewall on offer the rising pipe 101 of through pond body 1, introduce in pond body 1 above dividing plate 2 and have water inlet pipe 6, water inlet pipe 6 in pond body 1 is provided with float(ing)valve 7, realize the automatic control of flooding quantity, prevent pond body 1 top overflow, the exit end of water inlet pipe 6 is provided with shower nozzle 8, prevent current excessive, the water purification biostrome that body 1 top, pond is formed is damaged in punching, pond body 1 sidewall offers the overflow weir 9 of through pond body 1 sidewall apart from 10cm place, body 1 upper end, pond, prevent overflow, sidewall bottom pond body 1 also offers the blow-down pipe 10 of through pond body 1, blow-down pipe 10 is provided with valve 11, be convenient to clear up the clear water zone bottom pond body 1.

The sidewall of pond body 1 is that brick is built by laying bricks or stones and formed, brick is lower relative to costs such as cement, wall thickness is 240mm, filtering layer 3 comprises the cobble supporting layer 301, haydite layer 302, brown bed course 303, mixolimnion 304 and the quartz sand layer 305 that set gradually from top to bottom, the thickness of cobble supporting layer 301 is 100mm, and the cobble being 30-50mm by diameter forms; The thickness of haydite layer 302 is 100mm, and the haydite being 10-20mm by diameter forms; Palm fibre bed course 303 thickness is 30mm; The thickness of mixolimnion 304 is 450-550mm, and the active fruit shell carbon being 1-3mm by 20-40 object quartz sand and particle diameter mixes by 3:1; The thickness of quartz sand layer 305 is 400mm, is filled form by 20-40 object quartz sand.

Claims

1. the brick type bio-slow sand filtration for Rocky Desertification Region, comprise pond body (1), dividing plate (2) and filtering layer (3), dividing plate (2) is horizontally installed in pond body (1), and dividing plate (2) offers treatment hole (201), filtering layer (3) is arranged on dividing plate (2), the sidewall of dividing plate (2) pond body, below (1) offers the rising pipe (101) in through pond body (1), introduce in the pond body (1) of dividing plate (2) top and have water inlet pipe (6), it is characterized in that: the sidewall of pond body (1) is that fragment of brick is built by laying bricks or stones and formed, wall thickness is 220-250mm, filtering layer (3) comprises the cobble supporting layer (301) set gradually from top to bottom, haydite layer (302), palm fibre bed course (303), mixolimnion (304) and quartz sand layer (305), described mixolimnion (304) forms with active fruit shell carbon mixing filling for quartz sand.

2. a kind of brick type bio-slow sand filtration for Rocky Desertification Region according to claim 1, is characterized in that: the surrounding of described dividing plate (2) is embedded in pond body (1) or is integral type structure with pond body (1), and the thickness of dividing plate (2) is 80-120mm.

3. a kind of brick type bio-slow sand filtration for Rocky Desertification Region according to claim 1, is characterized in that: the thickness of described cobble supporting layer (301) is 80-120mm, and the cobble being 30-50mm by diameter forms.

4. a kind of brick type bio-slow sand filtration for Rocky Desertification Region according to claim 1, is characterized in that: the thickness of described haydite layer (302) is 80-120mm, and the haydite being 10-20mm by diameter forms.

5. a kind of brick type bio-slow sand filtration for Rocky Desertification Region according to claim 1, is characterized in that: described brown bed course (303) thickness is 25-35mm.

6. a kind of brick type bio-slow sand filtration for Rocky Desertification Region according to claim 1, it is characterized in that: the thickness of described mixolimnion (304) is 450-550mm, and the active fruit shell carbon being 1-3mm by 20-40 object quartz sand and particle diameter mixes by 3:1.

7. a kind of brick type bio-slow sand filtration for Rocky Desertification Region according to claim 1, is characterized in that: the thickness of described quartz sand layer (305) is 350-450mm, is filled form by 20-40 object quartz sand.

8. a kind of brick type bio-slow sand filtration for Rocky Desertification Region according to claim 1, it is characterized in that: the water inlet pipe (6) in pond body (1) is provided with float(ing)valve (7), the exit end of water inlet pipe (6) is provided with shower nozzle (8).

9. a kind of brick type bio-slow sand filtration for Rocky Desertification Region according to claim 1, is characterized in that: the overflow weir (9) pond body (1) sidewall offering through pond body (1) sidewall apart from 8-12cm place, body (1) upper end, pond.

10. a kind of brick type bio-slow sand filtration for Rocky Desertification Region according to claim 1, is characterized in that: the blow-down pipe (10) sidewall of pond body (1) bottom also offering through pond body (1), blow-down pipe (10) is provided with valve (11).