Co-built micro-ecological filter bed device for rural areas

Abstract

The utility model relates to the technical field of sewage treatment equipment, in particular to a co-construction micro-ecological filter bed device for rural areas, which comprises a regulating reservoir and a contact oxidation pond, a grating channel is arranged at the front end of the regulating reservoir, an artificial grating is mounted in the grating channel, the grating channel is communicated with the regulating reservoir, an equipment room is arranged at the front end of the contact oxidation pond, and the equipment room is communicated with the contact oxidation pond. A fan is mounted in the equipment room, the output end of the fan is connected with an air pipe, the air pipe is connected with an air stripping device through a regulating tank, the output end of the air stripping device is connected with a plurality of groups of aeration discs, the aeration discs are mounted in a contact oxidation pond, a contact oxidation pond water outlet pipe is mounted at the left end of the contact oxidation pond, and a water outlet pipe is mounted at the right end of the contact oxidation pond. Due to the integration of the adjusting tank, the biochemical system and the micro-ecological filter bed, the occupied area of the sewage station is reduced, the excavation work amount of civil construction is reduced, the development of construction procedures is facilitated, and the total construction time is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment equipment technical field, concretely is a kind of co-construction formula micro-ecological filter bed device for rural area. BACKGROUND

[0002] Rural sewage treatment has the following characteristics:

[0003] 1, small water quantity, discharge is dispersed, water quality is complex, and operation and maintenance are inconvenient;

[0004] 2, water quality and quantity vary greatly with region and time;

[0005] 3, lack of perfect sewage collection system, often rain sewage confluence, leakage is more;

[0006] 4, COD concentration is relatively low, nitrogen and phosphorus concentration is high, and influent concentration is not matched;

[0007] Non-rainy day, sewage quantity collected by sewage station is less, and pollutant concentration is high;Rainy day, sewage quantity collected is large, and pollutant concentration is low;

[0008] At present, although there are many kinds of integrated sewage treatment equipment in market, such as AO process, A2O process, SBR process, MBR membrane process and the like, although these processes can be used in rural domestic sewage, there are still the following problems from investment, operation and environmental friendliness and the like:

[0009] 1, need to set up adjusting pool separately, need multiple excavation, do civil engineering first, then equipment installation, overall construction period is long, and investment cost is high;

[0010] 2, sewage station occupies large area;

[0011] 3, these process equipment is used in large quantity, and operation cost is relatively high;

[0012] 4, if it is made into ground integrated equipment, it is not friendly to environment;

[0013] 5, biochemical system total nitrogen treatment effect is limited, and rural sewage is often unstable due to water quality and quantity, and total nitrogen effluent is prone to be substandard;

[0014] Therefore, we invent a kind to be built formula micro-ecological filter bed device for rural area. UTILITY MODEL CONTENT

[0015] The utility model aims at providing a kind to be built formula micro-ecological filter bed device for rural area, to solve the problems in the background art.

[0016] To achieve the above object, the utility model provides the following technical scheme:

[0017] The utility model provides a kind of co-construction formula micro-ecological filter bed device for rural, including adjustment pool and contact oxidation pool, the adjustment pool front end is equipped with grid channel, artificial grid is installed in the grid channel, the grid channel is communicated with adjustment pool, the contact oxidation pool front end is equipped with equipment room, fan is installed in the equipment room, the fan output end connects air pipe, the air pipe is connected with air-lift device passing through adjustment pool, the air-lift device output end connects aerator, the aerator is arranged as multiple groups, the aerator is installed in contact oxidation pool interior, contact oxidation pool water outlet pipe is installed in the left end of contact oxidation pool, micro-ecological filter bed is equipped in the left end of the adjustment pool top of contact oxidation pool water outlet pipe water outlet end below, micro-ecological filter bed is installed with equipment total water outlet pipe.

[0018] In a preferred embodiment of the utility model, the adjustment pool rear end is equipped with adjustment pool access hole, air-lift device is placed in the adjustment pool access hole.

[0019] In a preferred embodiment of the utility model, the micro-ecological filter bed includes gravel, filter material and melon seed piece, the gravel is provided with filter material at bottom, and the filter material is provided with melon seed piece at bottom.

[0020] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model.

[0021] 1) the integration of adjustment pool, biochemical system and micro-ecological filter bed reduces the land area of sewage station, reduces the engineering quantity of civil construction excavation, is favorable for construction procedure to carry out, and reduces total construction time;

[0022] 2) integrated adjustment pool and biochemical pool are convenient to transport; the time period of on-site installation construction is short;

[0023] 3) only containing fan in equipment, the control point of equipment is less, that is, the failure point is less, maintenance frequency is low, and operating cost is relatively lower;

[0024] 4) equipment volume is small, not limited by terrain environment, flexible and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0025] The above and / or additional aspects and advantages of the utility model will become obvious and easily understood from the description of embodiments in conjunction with the following drawings, wherein:

[0026] Fig. 1 It is a plan view in a kind of co-construction formula micro-ecological filter bed device for rural;

[0027] Fig. 2 It is a front view in a kind of co-construction formula micro-ecological filter bed device for rural.

[0028] In the figure: 1 - grid channel; 2 - artificial grid; 3 - regulating pool access hole; 4 - contact oxidation pool; 5 - equipment room; 6 - micro-ecological filter bed; 7 - gravel; 8 - filter material; 9 - melon seed piece; 10 - regulating pool; 11 - air pipe; 12 - aeration disc; 13 - fan; 14 - gas lifting device; 15 - contact oxidation pool effluent pipe; 16 - total equipment effluent pipe. DETAILED DESCRIPTION

[0029] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0030] Please refer to Figs. 1-2 A co-construction type micro-ecological filter bed device for rural areas, comprising a regulating pool 10 and a contact oxidation pool 4, the front end of the regulating pool 10 is provided with a grid channel 1, the inside of the grid channel 1 is provided with an artificial grid 2, and the artificial grid 2 is used for filtering large suspended solids.

[0031] The grid channel 1 is communicated with the regulating pool 10, the front end of the contact oxidation pool 4 is provided with an equipment room 5, the inside of the equipment room 5 is provided with a fan 13, the output end of the fan 13 is connected with an air pipe 11, the air pipe 11 is connected with a gas lifting device 14 through the regulating pool 10, and the gas lifting device 14 is a gas lifting pump; the output end of the gas lifting device 14 is connected with an aeration disc 12, the fan 13 blows air into the gas lifting device 14 through the air pipe 11, and the air flow rate in the air pipe drives water in the regulating pool 10 to enter the contact oxidation pool 4; the lifting pump and the control cabinet of the regulating pool are omitted; the failure points are reduced; the aeration disc 12 is provided in multiple groups, the aeration disc 12 is installed in the inside of the contact oxidation pool 4, the aeration disc 12 removes pollutants such as COD, BOD and ammonia nitrogen in the water body, a contact oxidation pool effluent pipe 15 is installed at the left end of the contact oxidation pool 4, a micro-ecological filter bed 6 is arranged below the water outlet end of the contact oxidation pool effluent pipe 15, the micro-ecological filter bed 6 is arranged at the top of the regulating pool 10, and a total equipment effluent pipe 16 is installed at the left end of the micro-ecological filter bed 6.

[0032] The rear end of the regulating pool 10 is provided with a regulating pool access hole 3, and the gas lifting device 14 is placed in the inside of the regulating pool access hole 3.

[0033] The micro-ecological filter bed 6 comprises gravel 7, filter material 8 and melon seed pieces 9, the gravel 7 is provided with the filter material 8 at the bottom, the filter material 8 is provided with the melon seed pieces 9 at the bottom, and the filter material 8 is activated zeolite.

[0034] The working principle of the utility model is as follows:

[0035] 1) rural domestic sewage into the grid channel 1, through the artificial grid 2 in the grid channel, to remove large suspended solids in the sewage, and then into the adjusting tank 10;

[0036] 2) the sewage into the adjusting tank homogenization even amount; fan 13 through the air pipe 11, air into the air-lift device 14, through the air flow rate in the air pipe, drive the adjusting tank 10 water into the contact oxidation tank 4; the lifting pump and control cabinet of the adjusting tank are saved; the failure point is reduced;

[0037] 3) the gas produced by the fan 13 passes through the aeration plate 12, and the contact oxidation tank 4 is subjected to aerobic aeration, and the pollutants such as COD, BOD, ammonia nitrogen in the water body are removed;

[0038] 4) the sewage produced by the contact oxidation tank 4 is treated by aeration, and the gravity flow passes through the outlet pipe 15 into the micro-ecological filter bed 6; the micro-ecological filter bed 6 is composed of plants planted at the top, melon seed pieces 9, gravel 7 and filter material 8, and the special filter material 8 can further enhance the efficiency of the micro-ecological filter bed in removing total nitrogen;

[0039] 5) the water treated by the micro-ecological filter bed 6 is finally discharged to the natural water body through the total outlet 16 of the equipment.

[0040] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A co-constructed micro-ecological filter bed device for rural areas, characterized in that: The utility model relates to a sewage treatment device, including the adjusting pool (10) and the contact oxidation pool (4), the adjusting pool (10) front is equipped with the grid ditch (1), the inside installation of artificial grid (2) of grid ditch (1) is communicated with adjusting pool (10), the contact oxidation pool (4) front is equipped with equipment room (5), the inside installation of fan (13) of equipment room (5), the output of fan (13) is connected air pipe (11), air pipe (11) passes through adjusting pool (10) and connects air lift device (14), the output of air lift device (14) is connected aeration disc (12), aeration disc (12) is provided with multiple groups, aeration disc (12) is installed in contact oxidation pool (4) inside, contact oxidation pool (4) left end is installed with contact oxidation pool outlet pipe (15), contact oxidation pool outlet pipe (15) water outlet end below is equipped with microecological filter bed (6), microecological filter bed (6) is set up in the top of adjusting pool (10), microecological filter bed (6) left end is installed with equipment total outlet pipe (16).

2. The co-constructed micro-ecological filter bed device for rural areas according to claim 1, characterized in that, The adjusting pool (10) rear end is equipped with adjusting pool access hole (3), the inside of adjusting pool access hole (3) places air lift device (14).

3. The co-constructed micro-ecological filter bed device for rural areas according to claim 1, characterized in that, The microecological filter bed (6) includes gravel (7), filter material (8) and melon seed piece (9), the bottom of gravel (7) is equipped with filter material (8), the bottom of filter material (8) is equipped with melon seed piece (9).

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