CN211561976U

CN211561976U - Integrated sand filtering system

Info

Publication number: CN211561976U
Application number: CN202020063468.6U
Authority: CN
Inventors: 杨三妹; 施丽华; 肖培; 康晴怡
Original assignee: Hunan Qili Construction Engineering Co ltd
Current assignee: Hunan Qili Construction Engineering Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-25
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses an integration sand filtration system, including box and inlet tube, the inside of box is provided with the graded sand, and the inside of graded sand runs through aeration fan branch and manages, the apron is installed to the top of box, the back flow is installed to one side of box, and the mid-mounting of back flow has the valve, the discharge pipe is installed to the below of back flow, the inlet tube is located the opposite side of box. The rural sewage treatment land area of the sand filtration system is short, if the sewage treatment land area is more obvious in mountainous areas, the equipment is high in filtration efficiency and small in occupied area, and the rural sewage treatment is realized, particularly, the rural areas in remote locations, such as a steel concrete structure tank body is adopted, the commercial-mixed transportation distance is long, the single project demand is small, and the unit cost is high; if manual mixing is adopted, the speed is low, the quality control is difficult, the system is in a carbon steel corrosion prevention mode, the production is completely finished in a factory, only the hoisting pipeline connection is needed on the site, the filter sand is filled, the construction period is short, and the construction is simple.

Description

Integrated sand filtering system

Technical Field

The utility model relates to a sewage treatment technical field specifically is integration sand filtration system.

Background

The national environmental protection department puts the rural domestic sewage treatment into the key task of ' twelve five ' planning for national environmental protection ', and the ' thirteen five ' environmental protection planning of part provinces and cities requires the filling and completion, upgrading and modification and pipe network improvement of the construction of urban sewage treatment facilities, so that the stable operation and standard discharge of the sewage treatment facilities are realized. The urban sewage treatment facilities of important water areas such as important water source areas, urban lakes, landscape water systems, water environment sensitive areas and the like fully reach the first-grade A discharge standard before the end of 2017. The sewage interception and collection of the urban-rural area, the old urban area and the urban-rural joint part are strengthened, the existing combined drainage system needs to accelerate the implementation of rain and sewage diversion reconstruction and is difficult to reconstruct, and measures such as interception, regulation, storage, treatment and the like need to be taken. The construction of new urban areas strictly implements rain and sewage diversion, and the matched pipe network is designed, constructed and put into operation synchronously. By the end of 2017, the sewage treatment rate of cities and towns above counties reaches more than 95%, and by 2020, all counties (cities) and major towns of the whole province have sewage collection and treatment capacity.

At present, the construction of sewage treatment projects of villages and towns faces a plurality of problems, namely, the problem of land occupation is firstly, the villages and the towns develop rapidly in recent years, but many situations are lack of planning, the usable area is small, or the towns are not regular enough, so how to efficiently utilize the effective area of the projects is beneficial to popularizing the construction of the sewage treatment projects of the villages and the towns, and the other problems are that the construction period of civil engineering is long, the sewage treatment projects of the villages and the towns are different in general treatment capacity, the construction scale is large or small, but the civil engineering projects and the projects which are smaller need the same maintenance time, and the time is not proportional to. Therefore, how to improve the efficiency of small-scale sewage treatment project construction is also an important factor for promoting the popularization of sewage projects in villages and towns and rural areas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integration sand filtration system to solve the occupation of land problem that present villages and towns sewage treatment project construction that provides faces in the above-mentioned background art, and civil engineering construction cycle is long, no matter the size of construction scale, need same maintenance time simultaneously, disproportionate problem on time and scale.

In order to achieve the above object, the utility model provides a following technical scheme: integration sand filtration system, including box and inlet tube, the inside of box is provided with the gradation sand, and the inside of gradation sand runs through there is aeration fan branch to be managed, the apron is installed to the top of box, the back flow is installed to one side of box, and the mid-mounting of back flow has the valve, the discharge pipe is installed to the below of back flow, the inlet tube is located the opposite side of box.

Preferably, the tank body is communicated with the water inlet pipe, the tank body is communicated with the return pipe, and the return pipe is communicated with the valve.

Preferably, the box body is wrapped outside the graded sand, and the box body is communicated with the branch pipes of the aeration fan.

Preferably, the box body is connected with the cover plate, and the cover plate is perpendicular to the vertical central line of the box body.

Preferably, the box body is communicated with the discharge pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the integrated sand filtration system is a finished product, is assembled in a factory and directly transported to a field for installation, and the number of the systems is adjusted in parallel according to the sewage quantity, so that the integrated sand filtration system is simple to install and operate, is suitable for sewage treatment of various medium and small-scale cities and towns, and is suitable for sewage treatment of various rural scales;

1. the area of the sewage treatment land in the villages and towns is short, if the sewage treatment land is more obvious in mountainous areas, the filtering efficiency is high and the occupied area is saved by using the equipment;

2. the sewage treatment of villages and towns, especially the rural villages and towns in remote locations, if a steel concrete structure pool body is adopted, the commercial mixed transportation distance is long, the demand of a single project is small, and the unit cost is high; if manual mixing is adopted, the speed is slow, the quality control is difficult, the system is in a carbon steel corrosion prevention mode, the manufacture is completely finished in a factory, only the pipeline connection needs to be hoisted on site, the filter sand is filled, the construction period is short, and the construction is simple;

3. the system adopts full-automatic control, and is convenient to operate.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic diagram of the external structure of the present invention.

In the figure: 1. a box body; 2. a water inlet pipe; 3. a discharge pipe; 4. grading sand; 5. a cover plate; 6. branching and branching the aeration fan; 7. a return pipe; 8. and (4) a valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an integrated sand filtration system comprises a box body 1 and a water inlet pipe 2, graded sand 4 is arranged inside the box body 1, a branch pipe 6 of an aeration fan penetrates through the interior of the graded sand 4, the box body 1 is wrapped outside the graded sand 4, the box body 1 is communicated with the branch pipe 6 of the aeration fan, daily backwashing is carried out through air washing, backwashing air is provided by the branch pipe 6 of the aeration fan of a biochemical system, under the strong stirring of the air, sewage is driven to stir the sand together, the sand rolls and rubs, and impurities on the surface of the sand and between the sand fall off and flow back to a front-end regulating tank from a return pipe 7 along with the sewage;

the apron 5 is installed to the top of box 1, be connected between box 1 and the apron 5, and the vertical central line of apron 5 perpendicular to box 1, back flow 7 is installed to one side of box 1, and the mid-mounting of back flow 7 has valve 8, be linked together between box 1 and the inlet tube 2, and be linked together between box 1 and the back flow 7, and be linked together between back flow 7 and the valve 8, the supernatant passes through inlet tube 2 and gets into box 1, get rid of to follow-up technology section from discharge pipe 3 through the liquid level difference is flowing automatically, discharge pipe 3 is installed to the below of back flow 7, be linked together between box 1 and the discharge pipe 3, inlet tube 2 is located the opposite side of box 1.

The working principle is as follows: when the sand filtration system is used, firstly, supernatant enters a box body 1 through a water inlet pipe 2 and is automatically discharged to a subsequent process section from a discharge pipe 3 through liquid level difference, and graded sand 4 with a certain thickness is installed in the box body 1 and is an interception filtration place;

secondly, the cover plate 5 is the whole upper top surface of the box body 1 and is provided with a large opening, so that the graded sand 4 can be conveniently cleaned manually, then, daily backwashing is carried out through air washing, backwashing air is provided by utilizing a branch pipe 6 of an aeration fan of a biochemical system, sewage is driven to stir the sand together under the strong stirring of the air, the sand is stirred and rolled, friction is carried out, and impurities on the surface of the sand and between the sand fall off and flow back to a front end regulating tank from a return pipe 7 along with the sewage;

and finally, the position of the return pipe 7 is higher than the water inlet pipe 2 by a certain height, the return pipe 7 is provided with a valve 8, the valve is opened during backwashing and closed during non-backwashing, the system can run fully automatically, the control device can be integrated in a control cabinet of the whole system, and the practicability is high.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Integration sand filtration system includes box (1) and inlet tube (2), its characterized in that: the utility model discloses a sand-water separator, including box (1), the inside of box (1) is provided with graded sand (4), and the inside of graded sand (4) is run through and is had aeration fan branch to be managed (6), apron (5) are installed to the top of box (1), back flow (7) are installed to one side of box (1), and the mid-mounting of back flow (7) has valve (8), discharge pipe (3) are installed to the below of back flow (7), inlet tube (2) are located the opposite side of box (1).

2. The integrated sand filtration system of claim 1 wherein: the water inlet pipe (2) is communicated with the tank body (1), the return pipe (7) is communicated with the tank body (1), and the valve (8) is communicated with the return pipe (7).

3. The integrated sand filtration system of claim 1 wherein: the box body (1) is wrapped outside the graded sand (4), and the box body (1) is communicated with the branch pipes (6) of the aeration fan.

4. The integrated sand filtration system of claim 1 wherein: the box body (1) is connected with the cover plate (5), and the cover plate (5) is perpendicular to the vertical central line of the box body (1).

5. The integrated sand filtration system of claim 1 wherein: the box body (1) is communicated with the discharge pipe (3).