CN212102494U - Domestic sewage purification filtration system - Google Patents
Domestic sewage purification filtration system Download PDFInfo
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- CN212102494U CN212102494U CN202020617007.9U CN202020617007U CN212102494U CN 212102494 U CN212102494 U CN 212102494U CN 202020617007 U CN202020617007 U CN 202020617007U CN 212102494 U CN212102494 U CN 212102494U
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Abstract
The utility model provides a domestic sewage purification and filtration system, which comprises a solid-liquid separation device, a sedimentation tank and a MSL filtration system; the top of the sedimentation tank is communicated with a liquid outlet of the solid-liquid separation device; the MSL filtering system is communicated with the sedimentation tank; the MSL filtering system comprises a plurality of filtering units which are connected in series; each filtering unit comprises a cylinder and a multistage soil filtering layer filled in the cylinder. The purification and filtration system of the utility model can carry out the dry-wet separation pretreatment on the domestic sewage, the solid impurities separated by the solid-liquid separation device can be treated by bagging, and the separated liquid impurities can enter the sedimentation tank to further precipitate the solid residues; the MSL filtering system can further filter the precipitated domestic sewage, and the domestic sewage can effectively remove pollutants such as COD (chemical oxygen demand), NH3-N and the like in the water and reduce the turbidity of the sewage after being filtered by a plurality of filtering units connected in series; the domestic sewage treated by the purifying and filtering system can be reused.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to domestic sewage purifies filtration system.
Background
Sewage, generally refers to effluent water from life and production that is contaminated to some extent. The sewage mainly comprises domestic sewage, industrial wastewater and initial rainwater, wherein the using amount of the domestic sewage accounts for a large proportion. Domestic sewage in cities and towns can be concentrated in a sewage treatment plant for centralized treatment, but domestic sewage generated by families in rural areas and areas without sewage treatment plants is mostly disposable water, so that waste of water resources is caused. The existing sewage treatment equipment has large volume and high price, is not suitable for being installed in rural areas and areas without sewage treatment plants, and is not suitable for being installed in families.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a domestic sewage purification filtration system, this purification filtration system is applicable to the domestic sewage treatment in rural area and the family that does not have the sewage treatment plant area, realizes that domestic sewage purification filtration treatment back resource recycles, improves ecological environment, solves the problem of domestic sewage treatment low cost, low input, high benefit, is fit for promoting.
The utility model discloses a following technical scheme realizes:
a domestic sewage purification and filtration system comprises a solid-liquid separation device, wherein the solid-liquid separation device is used for carrying out dry-wet separation pretreatment on domestic sewage;
the top of the sedimentation tank is communicated with a liquid outlet of the solid-liquid separation device, and the sedimentation tank can sediment solid residues;
the system also comprises an MSL filtering system, and the MSL filtering system is communicated with the sedimentation tank; the MSL filtration system is a multi-stage soil infiltration system, and the MSL filtration system utilizes modified soil to treat sewage, so that pollutants such as COD, NH3-N, TN, TP and fecal coliform bacteria in the water can be effectively removed, and the turbidity of the sewage is reduced; the MSL filtering system comprises a plurality of filtering units, the filtering units are connected in series, and each filtering unit comprises a cylinder and a multi-stage soil filtering layer filled in the cylinder; specifically, two ends of the cylinder are provided with filter screens, and the multi-stage soil filter layer is arranged between the two filter screens;
the multistage soil filtering layer is composed of a gravel water passing layer, a soil mixing layer, a zeolite water passing layer, a soil mixing layer and a gravel water passing layer from top to bottom; the filtering layer structure can obviously improve the filtering effect.
The filter units are further limited to be arranged in parallel and vertically, a communicating vessel is arranged between every two adjacent filter units, two interfaces of the communicating vessel are detachably connected with the cylinders of the two filter units respectively, and the filter units can be cleaned or replaced conveniently by detaching the communicating vessels at corresponding positions, so that the filter effect is ensured; this structure enables sewage from down up, from the last filtration that down flows many times in a plurality of filter unit, can show improvement filter effect.
Further limiting, each soil mixing layer is prepared by mixing soil, scrap iron and rice husk carbon, and the soil: scrap iron: the proportion of the rice husk carbon is 8: 1: 1.
further limiting, the device also comprises a PLC controller and an electric valve; two ends of the plurality of filtering units connected in series are respectively connected with a first electric valve and a second electric valve; the solid-liquid separation device, the first electric valve and the second electric valve are electrically connected with the PLC; the PLC can control the solid-liquid separation device to operate and can respectively control the opening and closing of the first electric valve and the second electric valve.
Further limiting, a water outlet is formed in the side wall of the sedimentation tank, and the water outlet is communicated with the first electric valve through a pipeline, so that the MSL filtering system is connected with the sedimentation tank.
Further limiting, the distance between the water outlet and the bottom of the sedimentation tank is 10cm, so that solid residues can be conveniently precipitated in the sedimentation tank.
Further limiting, the device also comprises an ultraviolet overflowing device, wherein the ultraviolet overflowing device is communicated with the second electric valve through a pipeline and is electrically connected with the PLC; the ultraviolet overflowing device can kill residual bacteria in water by using ultraviolet rays and can sterilize the water flowing out of the MSL filtering system, so that the quality of the discharged water is further improved.
Further limiting, the solid-liquid separation device, the sedimentation tank, the MSL filtering system and the ultraviolet overflowing device are arranged from high to low, and the structure can ensure that water flows automatically downwards in the sewage treatment process; it should be noted that the high-low position refers to the absolute height of the installation.
It should be noted here that the solid-liquid separation device, the PLC controller, the first electrically operated valve, the second electrically operated valve, and the ultraviolet overflowing device are all prior art devices, and specific structures and specific models thereof are not repeated herein, and a specific product model cannot be used as a limitation to the present application.
According to the above technical scheme, the utility model provides a pair of domestic sewage purifies filtration system, beneficial effect lies in: the purifying and filtering system can carry out dry-wet separation pretreatment on the domestic sewage, solid impurities separated by the solid-liquid separation device can be treated by bagging, and liquid impurities separated by the solid-liquid separation device can enter a sedimentation tank to further precipitate solid residues; the MSL filtering system can further filter the precipitated domestic sewage; after the domestic sewage is filtered by a plurality of filtering units connected in series, pollutants such as COD, NH3-N, TN, TP, fecal coliform bacteria and the like in the water can be effectively removed, and the turbidity of the sewage is reduced; the domestic sewage treated by the purifying and filtering system can be recycled, the pollution of the domestic sewage to the ecological environment can be avoided, the problems of low cost, low investment and high benefit of the domestic sewage treatment can be solved, and the purifying and filtering system is suitable for popularization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a front view of the present invention.
Fig. 2 is a schematic structural diagram of the MSL filtration system of the present invention.
Fig. 3 is a half sectional view of a partial structure at I in fig. 2.
In the drawings: the method comprises the following steps of 1-solid-liquid separation device, 2-sedimentation tank, 21-water outlet, 3-MSL filtration system, 31-filtration unit, 32-cylinder, 33-gravel water passing layer, 34-soil mixing layer, 35-zeolite water passing layer, 4-communicating vessel, 5-first electric valve, 6-second electric valve, 7-ultraviolet current passing device and 8-PLC controller.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "high", "low", "left", "right", and the like, are used in the orientation or positional relationship indicated in the drawings, which are for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, a domestic sewage purification and filtration system comprises a solid-liquid separation device 1, a sedimentation tank 2, an MSL filtration system 3, a PLC controller 8, an electric valve and an ultraviolet flow passing device 7;
the solid-liquid separation device 1 is used for carrying out dry-wet separation pretreatment on domestic sewage;
the top of the sedimentation tank 2 is communicated with a liquid outlet of the solid-liquid separation device 1, and the sedimentation tank 2 can sediment solid residues;
the MSL filtering system 3 comprises six filtering units 31, wherein the six filtering units 31 are arranged in parallel and vertically, and the six filtering units 31 are connected in series; each filtering unit 31 comprises a cylinder 32 and a multi-stage soil filtering layer filled in the cylinder 32; specifically, two ends of the cylinder 32 are provided with filter screens, and the multi-stage soil filter layer is arranged between the two filter screens; the multistage soil filtering layers are arranged from top to bottom to form a gravel water passing layer 33, a soil mixing layer 34, a zeolite water passing layer 35, a soil mixing layer 34 and a gravel water passing layer 33; the filtering layer structure can obviously improve the filtering effect;
two ends of the six serially connected filtering units 31 are respectively connected with a first electric valve 5 and a second electric valve 6; specifically, the communicating vessels 4 are arranged between two adjacent filtering units 31, two ports of the communicating vessels 4 are detachably connected with the cylinder bodies 32 of the two filtering units 31 respectively, and the filtering units 31 can be cleaned or replaced conveniently by detaching the communicating vessels 4 at corresponding positions, so that the filtering effect is ensured; specifically, the communicating vessel 4 is U-shaped, from left to right, the top end of the cylinder 32 of the first filter unit 31 is connected with the top end of the cylinder 32 of the second filter unit 31 through the communicating vessel 4, the bottom end of the cylinder 32 of the second filter unit 31 is connected with the bottom end of the cylinder 32 of the third filter unit 31 through the communicating vessel 4, the top end of the cylinder 32 of the third filter unit 31 is connected with the top end of the cylinder 32 of the fourth filter unit 31 through the communicating vessel 4, the bottom end of the cylinder 32 of the fourth filter unit 31 is connected with the bottom end of the cylinder 32 of the fifth filter unit 31 through the communicating vessel 4, and the top end of the cylinder 32 of the fifth filter unit 31 is connected with the top end of the cylinder 32 of the sixth filter unit 31 through the communicating vessel; the first electric valve 5 is communicated with the bottom end of the first filtering unit 31 through a pipeline, and the second electric valve is communicated with the bottom end of the sixth filtering unit 31 through a pipeline;
a water outlet 21 is formed in the side wall of the sedimentation tank 2, and the water outlet 21 is communicated with the first electric valve 5 through a pipeline; the ultraviolet overflowing device 7 is communicated with the second electric valve 6 through a pipeline;
the solid-liquid separation device 1, the sedimentation tank 2, the filtering unit 31 of the MSL filtering system 3 and the ultraviolet overflowing device 7 are arranged from high to low, and the structure can ensure that water flows downwards automatically in the sewage treatment process;
the solid-liquid separation device 1, the first electric valve 5, the second electric valve 6 and the ultraviolet overflowing device 7 are all electrically connected with a PLC (programmable logic controller) 8.
In this embodiment, each soil mixing layer 34 is made of soil, iron filings, and rice husk charcoal, and the soil: scrap iron: the proportion of the rice husk carbon is 8: 1: 1.
in this embodiment, the distance between the water outlet 21 and the bottom of the sedimentation tank 2 is 10cm, so that the sedimentation tank 2 can conveniently sediment solid residues.
The working principle of the embodiment is as follows: when the purification and filtration system is used for treating domestic sewage, the PLC 8 is used for controlling the solid-liquid separation device 1 to operate and controlling the first electric valve 5, the second electric valve 6 and the ultraviolet overflowing device 7 to be kept closed; domestic sewage is firstly put into a solid-liquid separation device 1 for dry-wet separation pretreatment; solid impurities separated by the solid-liquid separation device 1 are collected by a bag at a solid outlet of the solid-liquid separation device 1, and liquid impurities separated by the solid-liquid separation device 1 enter a sedimentation tank 2 from a liquid outlet; after the solid-liquid separation treatment of the domestic sewage is finished, the solid-liquid separation device 1 is controlled to stop by the PLC 8; the domestic sewage is further precipitated with solid residue in the sedimentation tank 2; after the domestic sewage is precipitated, the PLC 8 controls the first electric valve 5 to be opened, and the domestic sewage enters the MSL filtering system 3 from the water outlet 21 of the sedimentation tank 2; under the action of pressure difference, the domestic sewage flows from bottom to top and from top to bottom in the six filtering units 31 and is filtered; after the first electric valve 5 is opened and spaced for a period, the PLC 8 controls the second electric valve 6 and the ultraviolet overflowing device 7 to be opened, so that the domestic sewage can be in full reaction contact with the MSL filtering system 3; specifically, a timer can be used for manual timing and control, or a start time interval between the first electrically operated valve 5 and the second electrically operated valve 6 is set through the PLC controller 8 (the time interval control of the PLC controller 8 is realized obviously in the prior art through the prior art, and the detailed structural principle thereof is not described in detail in the present application); after the domestic sewage flowing out of the sedimentation tank 2 flows and is filtered for a plurality of times from bottom to top and from top to bottom through the six filtering units 31 which are connected in series, the filtering effect can be obviously improved; the sewage filtered by the MSL filtering system 3 enters an ultraviolet overflowing device 7, and the ultraviolet overflowing device 7 can sterilize the water flowing out of the MSL filtering system 3, so that the water quality of the effluent is further improved. After the domestic sewage is subjected to dry-wet separation pretreatment, further precipitation in the sedimentation tank 2, further filtration in the MSL filtration system 3 and further sterilization in the ultraviolet overflowing device 7, pollutants such as COD, NH3-N, TN, TP, fecal coliform bacteria and the like in the water can be effectively removed, the turbidity of the sewage is reduced, and the domestic sewage treated by the purification filtration system can be recycled.
Claims (8)
1. The utility model provides a domestic sewage purifies filtration system which characterized in that:
the device comprises a solid-liquid separation device (1), wherein the solid-liquid separation device (1) is used for carrying out dry-wet separation pretreatment on domestic sewage;
the device also comprises a sedimentation tank (2), wherein the top of the sedimentation tank (2) is communicated with a liquid outlet of the solid-liquid separation device (1);
the system also comprises an MSL filtering system (3), wherein the MSL filtering system (3) is communicated with the sedimentation tank (2); the MSL filtering system (3) comprises a plurality of filtering units (31), and the filtering units (31) are connected in series; each filtering unit (31) comprises a cylinder body (32) and a multi-stage soil filtering layer filled in the cylinder body (32);
the multistage soil filtering layer comprises a gravel water passing layer (33), a soil mixing layer (34), a zeolite water passing layer (35), a soil mixing layer (34) and a gravel water passing layer (33) from top to bottom.
2. The domestic sewage purification and filtration system of claim 1, wherein: a plurality of filter unit (31) are parallel and vertical, all are equipped with linker (4) between two adjacent filter unit (31), and two interfaces of linker (4) are connected with the barrel (32) detachable of two filter unit (31) respectively.
3. The domestic sewage purification and filtration system according to claim 1 or 2, wherein: each soil mixing layer (34) is prepared by mixing soil, scrap iron and rice husk charcoal, and the soil: scrap iron: the proportion of the rice husk carbon is 8: 1: 1.
4. the domestic sewage purification and filtration system according to claim 1 or 2, wherein: the device also comprises a PLC (programmable logic controller) and an electric valve; two ends of the plurality of filtering units (31) which are connected in series are respectively connected with a first electric valve (5) and a second electric valve (6); the solid-liquid separation device (1), the first electric valve (5) and the second electric valve (6) are all electrically connected with the PLC (8).
5. The domestic sewage purification and filtration system of claim 4, wherein: the side wall of the sedimentation tank (2) is provided with a water outlet (21), and the water outlet (21) is communicated with the first electric valve (5) through a pipeline.
6. The domestic sewage purification and filtration system of claim 5, wherein: the distance between the water outlet (21) and the bottom of the sedimentation tank (2) is 10 cm.
7. The domestic sewage purification and filtration system of claim 4, wherein: the ultraviolet lamp is characterized by further comprising an ultraviolet overflowing device (7), wherein the ultraviolet overflowing device (7) is communicated with the second electric valve (6) through a pipeline, and the ultraviolet overflowing device (7) is electrically connected with the PLC (8).
8. The domestic sewage purification and filtration system of claim 7, wherein: the solid-liquid separation device (1), the sedimentation tank (2), the MSL filtering system (3) and the ultraviolet overflowing device (7) are arranged from high to low.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020617007.9U CN212102494U (en) | 2020-04-22 | 2020-04-22 | Domestic sewage purification filtration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020617007.9U CN212102494U (en) | 2020-04-22 | 2020-04-22 | Domestic sewage purification filtration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212102494U true CN212102494U (en) | 2020-12-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020617007.9U Active CN212102494U (en) | 2020-04-22 | 2020-04-22 | Domestic sewage purification filtration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212102494U (en) |
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2020
- 2020-04-22 CN CN202020617007.9U patent/CN212102494U/en active Active
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