CN214991008U - A circulating filter device for sewage treatment and its sewage treatment system - Google Patents

Abstract

The utility model discloses a circulating filtering device for sewage treatment and a sewage treatment system thereof, comprising a box body filled with filtering materials, a water distribution pipe for discharging sewage into the filtering materials, and a collecting device for collecting the filtered sewage. The water pipe and the liquid storage tank located on the outside of the box body are provided with a pumping mechanism and a water return mechanism between the inner cavity and the water distribution pipe and the water collection respectively. The water pipe discharges the sewage to the filtering material, and the water collecting pipe is used to collect the filtered sewage, and a water quality detector is installed in the liquid storage tank. The filter material is discharged and collected, and the sewage is filtered repeatedly, and the sewage will not be discharged into the soil until the quality of the sewage is qualified. There is no need to add multiple sets of filter mechanisms to ensure effective filtration. At the same time, it also effectively reduces the cost of use. .

Description

Circulating filter device for sewage treatment and sewage treatment system thereof

Technical Field

The utility model relates to a domestic sewage treatment technical field especially relates to a circulating filtration device for sewage treatment and sewage treatment system thereof.

Background

In the prior art, rural domestic sewage looks like 'wastewater', and is actually 'rich water'. The main components of the fertilizer are nitrogen, phosphorus and other organic matters, and the fertilizer has fewer toxic and harmful substances. The substances are discharged into rivers and lakes to easily cause water eutrophication, but are nutrient substances for farmlands, and water and fertilizer can be saved by fully utilizing the nutrient substances. At present, rural sewage treatment facilities built in various places basically compare with the discharge standard of cities, effluent is designed according to a first-level A or a first-level B, and excessive treatment is actually caused. Considering that rural areas are wide, vegetation is rich, natural purification capacity is high, and agricultural production has objective needs for nitrogen and phosphorus, rural sewage treatment adopts a more flexible and diversified mode than cities. The existing rural toilet transformation technology is developed from the perspective of environmental sanitation, basically, the rural toilet is not transformed into a technical route considering the whole of the rural toilet, the development of the matching technology is incomplete, and the subsequent management and maintenance difficulty is increased. For example, the three-grid septic tanks widely used in various regions at present are mostly used for flushing toilets in areas without pipe networks, the excrement in the third grid of the three-grid septic tanks needs to be cleaned regularly, and the volume of the three-grid septic tanks is 1.5m in the rural areas³The integral septic tank has the advantages that the liquid manure exceeds the lower edge of the manure passing pipe, so that the water quality of the three-grid septic tank is the same, and the harmless function of the three-grid septic tank is disabled.

Patent document CN110981098A discloses an intelligent treatment system for sewage in medical places and an operation method thereof, including green plants, soil and a water collecting pipeline buried in the soil in advance, one end of the water collecting pipeline is provided with a reservoir, the inside of a first-stage sedimentation tank is provided with a pathogen filtering block, the inside of a second-stage sedimentation tank is provided with a micro-particle filtering block, the inside of a third-stage sedimentation tank is provided with a microorganism adsorbing block, the pathogen filtering block, the micro-particle filtering block and the microorganism adsorbing block, and the pathogen filtering block and the micro-particle filtering block are sequentially located at the bottom stages of the first-stage sedimentation tank, the second-stage sedimentation tank and the third-stage sedimentation tank. However, the improvement of the filtering device is aimed at, but the recycling of the filtering device is not involved, and the addition of the sedimentation tank and each filtering structure cannot ensure that the advantage of wide rural fields is fully utilized, so that the use cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a circulating filter device for sewage treatment and sewage treatment system thereof, with the problem that exists among the solution prior art, it utilizes the water-locator towards filtering material blowdown, utilize the collector pipe to collect the sewage after filtering, and install water quality detector in the liquid storage tank, when the sewage that water quality detector detected is unqualified, then continuously utilize the water-locator and the collector pipe to discharge and collect sewage in filtering material department, carry out multiple cycle filtration to sewage, just can discharge into soil after the quality of water of sewage is qualified, utilize same filtering material to carry out multiple use to sewage, need not to increase again and set up multiunit filtering mechanism, reach the biggest value of utilizing, when guaranteeing effective filtration, still effectual use cost that has reduced.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a circulating filter device for sewage treatment, including the packing have the box of filtering the material, be used for towards the water distributor of the income sewage of filtering the material, be used for collecting the collector pipe of filtering back sewage, be located the liquid storage pot outside the box, the water distributor with the collector pipe all with the inner chamber of liquid storage pot is linked together, the inner chamber respectively with the water distributor with be equipped with pumping mechanism and return water mechanism between the catchment, be equipped with the water quality testing ware that is used for detecting its inside quality of water in the inner chamber, just the inner chamber intercommunication have with the qualified water discharge valve that the water quality testing ware electricity is connected.

Preferably, the qualified water discharge valve is communicated with a drain pipe, and the drain pipe is positioned below the liquid storage tank and communicated with a soil layer on the ground surface.

Preferably, the drain pipe extends along the horizontal direction, and the drain pipe is provided with a plurality of drain holes along the extending direction.

Preferably, the water distribution pipe comprises a plurality of branch pipes extending along the horizontal direction, each branch pipe is located at the top end of the filter material, and a plurality of water outlet holes are uniformly distributed in the water distribution pipe along the extending direction.

Preferably, the bottom end of the filtering material is provided with a water collecting area, and the water collecting pipe is arranged in the water collecting area.

Preferably, the filtering material is sand material for filtering sewage, and the water distribution pipe is correspondingly arranged at the upper structure of the sand material and is embedded in the sand material.

Preferably, the water collecting area is filled with stones supported at the bottom of the sand.

Still provide a sewage treatment system, include circulating and filtering device reaches the septic tank to sewage primary filtration, the septic tank intercommunication set up user's drainage pipe with between the liquid storage pot, just the septic tank with be equipped with between the liquid storage pot and be used for with the rivers suction after the primary filtration the mechanism of drawing water in the liquid storage pot, be equipped with in the inner chamber of liquid storage pot with the water level detection device that the mechanism electricity is connected draws water.

Preferably, the septic tank comprises a plurality of compartments for intercepting sludge and scum, the compartments are communicated side by side along the horizontal direction, liquid outlets are communicated between adjacent compartments, and the liquid outlets are opposite to the middle position of the sewage body in each compartment.

Preferably, the liquid storage tank is the compartment at the outlet end of the septic tank, and a filtering device for intercepting sludge and residues is arranged at an inlet of the compartment at the outlet end of the septic tank.

The utility model discloses for prior art gain following technological effect:

firstly, the sewage treatment device comprises a box body filled with filtering materials, a water distribution pipe for discharging sewage towards the filtering materials, a water collecting pipe for collecting the filtered sewage, and a liquid storage tank positioned outside the box body, wherein the water distribution pipe and the water collecting pipe are communicated with an inner cavity of the liquid storage tank, a water pumping mechanism and a water returning mechanism are respectively arranged between the inner cavity and the water distribution pipe and the water collecting pipe, a water quality detector for detecting the water quality inside the inner cavity is arranged in the inner cavity, the water distribution pipe is used for discharging the sewage towards the filtering materials, the water collecting pipe is used for collecting the filtered sewage, a water quality detector is arranged in the liquid storage tank, when the sewage detected by the water quality detector is unqualified, the water distribution pipe and the water collecting pipe are continuously used for discharging and collecting the sewage at the filtering materials, the sewage is subjected to multiple circulating filtration until the water quality of the sewage is qualified, and the sewage is repeatedly used by the same filtering material, the filter mechanism does not need to be additionally provided with a plurality of groups of filter mechanisms, the maximum utilization value is achieved, and the use cost is effectively reduced while effective filtration is ensured.

Second, qualified water bleeder valve intercommunication has the drain pipe, and the drain pipe is located the liquid storage pot below to be linked together with the soil horizon on earth's surface, utilize the soil horizon to carry out secondary treatment to exhaust sewage, after sewage permeates natural soil system, through the absorption of soil, diffusion effect, and the microbiological treatment purifies, harmful bacterium and virus in the natural removal sewage have guaranteed the treatment effect to sewage.

Third, the drain pipe extends along the horizontal direction and sets up, and a plurality of wash port has been seted up along its extending direction to the drain pipe for can evenly flow outward along the extending direction of drain pipe when sewage discharges, and then can be even soak soil, avoid rivers to concentrate in the same position department of soil, lead to sewage can not be by the abundant purification filtration of soil will directly discharge into the groundwater.

Fourthly, the water distributor includes that a plurality of extends the branch pipe that sets up along the horizontal direction, each branch pipe is located the top position department that filters the material, and the water distributor has a plurality of apopore along its extending direction equipartition, when filtering the material and discharging into sewage, sewage can follow the even seepage flow of water distributor to filtering the material, avoid sewage to flow into the position department that filters the material too concentrated, lead to sewage can not the single by the abundant filtration of filtering the material, and then inevitable need increase filtration cycle many times, lead to the energy consumption to increase.

Fifthly, including circulating filter equipment and to the preliminary filterable septic tank of sewage, septic tank intercommunication sets up between user drainage pipe and liquid storage pot, and be equipped with between septic tank and the liquid storage pot and be used for the mechanism that draws water in the liquid storage pot with the rivers suction after the primary filtration, be equipped with the water level detection device who is connected with the mechanism electricity that draws water in the inner chamber of liquid storage pot, utilize the water level detection device in the liquid storage pot, make the sewage stock in the liquid storage pot keep in a stable within range, and then form the water supply mode to filtering material timing ration, make filtering material can not deposit too much sewage in the short time, influence its purification treatment ability, and inevitable needs increase filtration cycle many times, lead to the energy consumption to increase.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

figure 2 is a schematic diagram of the structure of the septic tank of the utility model;

wherein, 1-septic tank, 2-liquid storage tank, 3-water pumping mechanism, 4-water returning mechanism, 5-water distributing pipe, 6-water collecting pipe, 7-box, 8-sand material, 9-stone material, 10-water discharging pipe, 11-desilting opening, 12-compartment, 13-filtering device and 14-liquid outlet.

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.

The utility model is used for overcome above-mentioned prior art's defect, the utility model provides a circulating filtration device and sewage treatment system for sewage treatment, with the problem that exists among the solution prior art, it utilizes the water-distribution pipe towards filtering material blowdown, utilize the collector pipe to collect the sewage after filtering, and install water quality detector in the liquid storage tank, when the sewage that water quality detector detected is unqualified, then continuously utilize the water-distribution pipe and the collector pipe to discharge and collect sewage in filtering material department, carry out manifold cycles to sewage and filter, just can discharge into soil after the quality of water of sewage is qualified, utilize same filtering material to carry out multiple use to sewage, need not to increase again and set up multiunit filter mechanism, reach the biggest value of utilizing, when guaranteeing effective filtration, still effectual use cost that has reduced.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1-2, a circulating filter device 13 for sewage treatment is provided, which comprises a tank 7 filled with filtering materials, a water distribution pipe 5 for discharging sewage towards the filtering materials, a water collection pipe 6 for collecting the filtered sewage, and a liquid storage tank 2 located outside the tank 7, wherein the tank 7 has a height of 50-90cm, is placed on the ground or buried in the soil, the filtering materials can be unsaturated soil or sand 8, and the like, the water distribution pipe 5 and the water collection pipe 6 are communicated with the inner cavity of the liquid storage tank 2, so that the sewage can be discharged into the filtering materials, and the water flow is collected after the filtering is completed; a water pumping mechanism 3 and a water returning mechanism 4 are respectively arranged between the inner cavity of the liquid storage tank 2 and the water distribution pipe 5 and the water collection, a water quality detector for detecting the water quality inside the inner cavity is arranged in the inner cavity, the water distribution pipe 5 is used for discharging sewage towards the filtering material, the water collection pipe 6 is used for collecting the filtered sewage, the preferred arrangement position of the tank body 7 is higher than that of the liquid storage tank 2, so that the collected sewage can flow back to the liquid storage tank 2 along the water collection pipe 6, the water quality detector is arranged in the liquid storage tank 2, when the sewage detected by the water quality detector is unqualified, the water distribution pipe 5 and the water collection pipe 6 are continuously used for discharging and collecting the sewage at the filtering material, the sewage is subjected to multiple circulating filtration for many times, the sewage is discharged into soil until the water quality of the sewage is qualified, the sewage is subjected to multiple times of utilization by using the same filtering material without additionally arranging a plurality of filtering mechanisms, and the maximum utilization value is reached, when guaranteeing effective filtration, still effectual use cost that has reduced, and the inner chamber intercommunication has the qualified water discharge valve of being connected with the water quality detector electricity. Can solve septic tank 1 in addition and draw a difficult problem clearly, realize exempting from clearly drawing, the utility model discloses a box 7 designs, does not receive the restriction of soil layer thickness, carries out the loop filter and uses, need not to require very high to soil layer thickness.

For further utilization soil to handle sewage, qualified water outlet valve intercommunication has drain pipe 10, and drain pipe 10 is located liquid storage pot 2 below to be linked together with the soil horizon on earth's surface, utilize the soil horizon to carry out secondary treatment to discharged sewage, after sewage permeates natural soil system, through the absorption of soil, diffusion effect to and the microbiological treatment purifies, harmful bacterium and virus in the natural removal sewage have guaranteed the treatment effect to sewage.

Further, drain pipe 10 extends along the horizontal direction and sets up, and a plurality of wash port has been seted up along its extending direction to drain pipe 10 for can evenly flow outward along the extending direction of drain pipe 10 during sewage discharges, and then can be even soak soil, avoid rivers to concentrate on the same position department of soil, lead to sewage can not be by the abundant purification filtration of soil will directly discharge into the groundwater.

As a preferred embodiment of the present invention, the water distribution pipe 5 includes a plurality of branch pipes extending along the horizontal direction, each branch pipe is located at the top position of the filtering material, and when the water distribution pipe 5 is uniformly distributed with a plurality of water outlet holes along the extending direction and discharges sewage toward the filtering material, the sewage can uniformly seep into the filtering material along the water distribution pipe 5, so as to avoid the position where the sewage flows into the filtering material from being too concentrated, which leads to the sewage not being filtered by the filtering material sufficiently at a time, and further inevitably needs to increase a plurality of filtering cycles, which leads to the increase of energy consumption; preferably, the aperture of the water outlet hole is 3-6mm, so that the circulation path and the flow speed of sewage are reduced, the seepage filtering effect of filtering materials on the sewage is ensured, the over-speed of water flow is avoided, the sewage can not be filtered timely and then directly flows back to the water collecting pipe 6, the circulation frequency still needs to be increased, and the energy consumption is increased.

Wherein, for guaranteeing the water-collecting effect, the bottom of filtering the material is equipped with the water-collecting zone, collector pipe 6 sets up in the water-collecting zone, the water-collecting zone can adopt building stones 9 to constitute, the clearance is great between building stones 9, can enough support the filtering material in its top, can guarantee again that sewage gathers between the clearance, be convenient for the sewage after filtering gets into and collects in collector pipe 6, the bottom of filtering the material can also be equipped with to be filled has building stones 9 and is used for collecting the recess of filtering back sewage, collector pipe 6 extends and sets up in the recess, adopt the recess can effectually concentrate the sewage after filtering, be convenient for follow-up the collection processing to sewage.

Furthermore, the filtering material is sand 8 for filtering and treating sewage, in order to ensure the sewage treatment effect of the sand, the size and thickness of the sand 8 is 0.25-0.75mm, the water distribution pipes 5 are correspondingly arranged at the upper structure of the sand 8 and are embedded into the sand 8, the diameter of each water distribution pipe 5 is 2.5-5.0cm, the distance between every two water distribution pipes 5 is 0.3-1.2m, and the gradient of the ground for placing the box 7 is less than 10%. The box body 7 is made of concrete, and seepage prevention is well performed inside the box body while sand 8 is filled in the box body. The sewage is pumped above the sand material 8 and is discharged into the bottom water collecting area after being filtered and purified by the sand material 8.

Also provides a sewage treatment system, which comprises a circulating filter device 13 and a septic tank 1 for primarily filtering sewage, wherein the septic tank 1 is communicated between a user drain pipe 10 and a liquid storage tank 2, domestic sewage enters the septic tank 1 from a house or a toilet through the drain pipe 10, the septic tank 1 is a sealed container which is buried underground and is watertight and is usually made of concrete, glass fiber reinforced plastic or polyethylene, a water pumping mechanism for pumping primarily filtered water flow into the liquid storage tank 2 is arranged between the septic tank 1 and the liquid storage tank 2, a water level detection device electrically connected with the water pumping mechanism is arranged in an inner cavity of the liquid storage tank 2, and the water level detection device in the liquid storage tank 2 is utilized to keep the sewage stock in the liquid storage tank 2 in a stable range so as to form a water supply mode for regularly and quantitatively filtering materials, so that the filtering materials cannot accumulate excessive sewage in a short time, affecting the purification treatment capacity and inevitably needing to increase multiple filtration cycles, resulting in increased energy consumption. And for guaranteeing to filter the material timing and quantitative water supply, the timing water pump is installed to liquid storage pot 2 the inside, and the timing water pump can be regularly quantitative supply filter material sewage, filters the material timing and quantitative sewage, has further guaranteed to prolong the purifying time of filter material, avoids the sewage siltation in filtering the material, can not fully purify sewage.

Wherein, septic tank 1 includes a plurality of compartment 12 that is used for holding back mud and dross, and sewage stays for enough long time in compartment 12 for the solid sinks to the bottom and forms mud, and each compartment 12 communicates side by side along the horizontal direction, and the intercommunication has liquid outlet 14 between the adjacent compartment 12, and liquid outlet 14 is just to the middle part position of the interior sewage body of each compartment 12, and grease floats to the top of sewage body with the form of dross, and then keeps mud and dross in compartment 12, prevents that it from leaving septic tank 1 and getting into in the liquid storage pot 2.

For reducing holistic structure setting, reduce the cost of manufacture, liquid storage pot 2 is the compartment 12 of septic tank 1 exit end, and then directly will time the water pump, suction pump and water level detector directly set up in the compartment 12 of septic tank 1 exit end, utilize the compartment 12 of front end to deposit mud, filter the dross so, the sewage of discharging into septic tank 1 exit end compartment 12 is direct through the feed pipe in discharging into the burette, and then the setting of liquid storage pot 2 and connecting pipe has been reduced, use cost has been reduced. Furthermore, the entrance of the compartment 12 at the outlet end of the septic tank 1 is provided with a filtering device 13 for intercepting sludge and residues, the filtering device 13 adopts a filter screen or other filtering mechanisms and the like to ensure the cleanliness of sewage flowing into the compartment 12 at the outlet end of the septic tank 1, and the top end of the septic tank 1 is provided with a dredging port 11.

The adaptability that carries out according to actual demand all is in the protection scope of the utility model.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (10)

1. A circulating filtration device for sewage treatment, characterized in that it comprises a box filled with filter material, a water distribution pipe for discharging sewage into the filter material, and a water collection pipe for collecting filtered sewage , a liquid storage tank located on the outside of the box body, the water distribution pipe and the water collection pipe are both communicated with the inner cavity of the liquid storage tank, and the inner cavity is respectively connected with the water distribution pipe and the water collection pipe. A water pump mechanism and a water return mechanism are arranged between, the inner cavity is provided with a water quality detector for detecting the internal water quality, and the inner cavity is connected with a qualified water discharge valve electrically connected with the water quality detector. 2 . The circulating filtering device for sewage treatment according to claim 1 , wherein the qualified water discharge valve is communicated with a drain pipe, and the drain pipe is located under the liquid storage tank and is connected to the soil on the ground surface. 3 . Layers are connected. 3 . The circulating filtering device for sewage treatment according to claim 2 , wherein the drainage pipe extends in a horizontal direction, and the drainage pipe is provided with a plurality of drainage holes along the extending direction. 4 . 4. The circulating filter device for sewage treatment according to claim 1 or 2, wherein the water distribution pipe comprises a plurality of branch pipes extending in a horizontal direction, and each branch pipe is located at the top of the filter material position, and the water distribution pipe is evenly distributed with several water outlet holes along its extending direction. 5 . The circulating filtering device for sewage treatment according to claim 4 , wherein the bottom end of the filtering material is provided with a water collecting area, and the water collecting pipe is arranged in the water collecting area. 6 . 6 . The circulating filtering device for sewage treatment according to claim 5 , wherein the filtering material is sand material for filtering and treating sewage, and the water distribution pipe is correspondingly arranged at the upper structure of the sand material. 7 . , and buried in the sand. 7 . The circulating filtering device for sewage treatment according to claim 6 , wherein the water collecting area is filled with stones supported on the bottom of the sand. 8 . 8. A sewage treatment system applying the circulating filtering device for sewage treatment according to any one of claims 1-7, characterized in that, comprising the circulating filtering device and a septic tank for primary filtering of sewage, The septic tank is communicated and arranged between the user drainage pipeline and the liquid storage tank, and between the septic tank and the liquid storage tank is provided for drawing the primary filtered water flow into the liquid storage tank A water level detection device electrically connected to the water pumping mechanism is arranged in the inner cavity of the liquid storage tank. 9 . The sewage treatment system according to claim 8 , wherein the septic tank comprises a plurality of compartments for retaining sludge and scum, and each of the compartments communicates side by side along a horizontal direction, adjacent to each other. 10 . A liquid outlet is communicated between the compartments, and the liquid outlet is facing the middle position of the sewage body in each of the compartments. 10 . The sewage treatment system according to claim 9 , wherein the liquid storage tank is the compartment at the outlet end of the septic tank, and the inlet of the compartment at the outlet end of the septic tank is located at the entrance of the compartment. 11 . There is a filter unit for retaining sludge and residues.

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