CN211004913U - Small-size domestic sewage treatment equipment - Google Patents
Small-size domestic sewage treatment equipment Download PDFInfo
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- CN211004913U CN211004913U CN201921874355.8U CN201921874355U CN211004913U CN 211004913 U CN211004913 U CN 211004913U CN 201921874355 U CN201921874355 U CN 201921874355U CN 211004913 U CN211004913 U CN 211004913U
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Abstract
The utility model discloses a small-sized domestic sewage treatment device, which comprises an inner barrel, a middle barrel and a shell which are arranged from inside to outside in sequence; the inner cylinder is fixedly connected to the top of the shell and is communicated with the outer side of the shell; a flocculation settling area is formed between the inner side of the middle barrel and the outer side of the inner barrel, and an overflow weir plate is fixedly connected to the side wall of the flocculation settling area; form between the shell inboard and the middle bucket outside between the sewage treatment interval, fixedly connected with holds carrier net on the interval lateral wall of sewage treatment, sewage treatment material has been placed to the top that holds carrier net, fixedly connected with drainage tube on the carrier net, the upper end of drainage tube with be located the interval intercommunication of flocculating settling of overflow weir plate top, the lower extreme is located the below of carrier net, the utility model discloses the organic matter and the insoluble phosphate that contain in the removal sewage that can be better have reached better effect of purifying waste water.
Description
Technical Field
The utility model relates to a sewage treatment device technical field specifically is a small-size domestic sewage treatment device.
Background
Domestic sewage is wastewater discharged in daily life of residents, mainly comes from residential buildings and public buildings, such as houses, institutions, schools, hospitals, shops, public places, industrial enterprise toilets and the like, pollutants contained in the domestic sewage are mainly organic matters (such as protein, carbohydrate, fat, urea, ammonia nitrogen and the like), the organic matters existing in the domestic sewage are extremely unstable and are easy to decay to generate stink, and the domestic sewage needs to be treated before being discharged.
However, the existing small-sized domestic sewage treatment equipment generally adopts various methods such as an activated sludge method, an artificial wetland method, an MBR membrane method and the like, and the equipment has the defects of high energy consumption, long retention time, large floor area, unstable effluent quality and the like, so that the sewage at a plurality of dispersive sewage discharge points cannot be effectively treated at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a small-size domestic sewage treatment device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a small-sized domestic sewage treatment device comprises an inner barrel, an intermediate barrel and a shell which are arranged in sequence from inside to outside;
the inner cylinder is fixedly connected to the top of the shell and is communicated with the outer side of the shell;
a flocculation settling area is formed between the inner side of the middle barrel and the outer side of the inner barrel, and an overflow weir plate is fixedly connected to the side wall of the flocculation settling area;
the sewage treatment device is characterized in that a sewage treatment area is formed between the inner side of the shell and the outer side of the middle barrel, a bearing net is fixedly connected onto the side wall of the sewage treatment area, sewage treatment materials are placed above the bearing net, a drainage tube is fixedly connected onto the bearing net, the upper end of the drainage tube is communicated with a flocculation settling area above the overflow weir plate, and the lower end of the drainage tube is located below the bearing net.
As a further aspect of the present invention: the inlet opening that is used for fixed inner tube is seted up on the top of shell, and the top fixed connection of the inner tube of being convenient for that sets up of inlet opening is on the top of shell, and the inboard of the inner tube of being convenient for simultaneously communicates with the outside of shell.
As a further aspect of the present invention: the inner barrel is provided with a water baffle below, the water baffle is fixedly connected to the bottom end of the inner barrel through a connecting rod, and when sewage enters the inner barrel from the upper port of the inner barrel, the water baffle is arranged to prevent the sewage from having large impact force on the bottom of the inner side of the middle barrel due to the action of gravity.
As a further aspect of the present invention: the overflow weir plate is of an annular structure, an annular gap is formed between the inner side of the overflow weir plate and the outer side of the inner barrel, the outer side wall of the overflow weir plate is fixedly connected to the inner side wall of the middle barrel, and the combination of the overflow weir plate and the annular gap achieves the effect of uniform water distribution.
As a further aspect of the present invention: the bearing net is provided with meshes, the sewage treatment material is granular, the diameter value of the sewage treatment material is larger than that of the meshes, and when the sewage treatment material is placed on the upper surface of the bearing net, the granular sewage treatment material is prevented from falling below the bearing net;
the bearing net is of an annular structure, the inner side wall of the bearing net is fixedly connected to the outer side wall of the middle barrel, and the outer side wall of the bearing net is fixedly connected to the inner side wall of the shell;
set up the circular port that is used for drainage tube fixed connection on the carrier net, the setting of circular port is convenient for drainage tube fixed connection on the carrier net.
As a further aspect of the present invention: be located seted up the intercommunicating pore on the middle bucket lateral wall of overflow weir plate top, the upper end fixed connection of drainage tube is on the lateral wall of intercommunicating pore, and the setting of intercommunicating pore is convenient for drainage tube and the interval intercommunication of flocculating settling to be convenient for through the sewage of flocculating settling interval process drainage tube flow to the sewage treatment interval below.
As a further aspect of the present invention: the top end of the shell is provided with a through hole, and the through hole is convenient for the sewage treatment material to be placed on the upper surface of the bearing net;
the lateral wall of shell is last to communicate there is the outlet pipe, the outlet pipe is located the below of overflow weir plate, the flocculation and sedimentation of being convenient for is formed the difference in height between the interval and the sewage treatment interval, and the sewage of being convenient for all flows from bottom to top in the interval and the sewage treatment interval of flocculation and sedimentation.
As a further aspect of the present invention: the lower extreme of middle bucket and shell is the toper form, the lower extreme of middle bucket and shell all communicates has row material pipe, is located all install the butterfly valve on arranging the material pipe in the shell outside, when containing mud in sewage, when sewage through the flocculation settlement interval with sewage treatment interval time mud can subside in the bottom between flocculation settlement interval and sewage treatment interval through the mode of natural sedimentation, when needs will subside the mud discharge of interval bottom with sewage treatment interval in the flocculation settlement, the staff opens the mud that the butterfly valve can realize subsiding and arranges the outside to the shell from arranging the material pipe.
As a further aspect of the present invention: the sewage treatment material comprises the following components in percentage by weight:
as a further aspect of the present invention: the preparation method of the sewage treatment material comprises the following steps:
respectively processing boron-iron-containing ring silicate, aluminum silicate potassium salt, hydrous magnesium silicate clay and weakly alkaline clay into powder;
uniformly mixing powders of boron-iron-containing ring silicate, aluminum silicate potassium salt, hydrous magnesium silicate clay and weakly alkaline clay to form a powder sewage treatment material;
adding the powder sewage treatment material into a solvent, mixing and stirring, and then processing by a ball forming machine to form a spherical object;
and sintering the spherical objects into granular sewage treatment materials in a kiln sintering furnace at the temperature of 900-1000 ℃.
Compared with the prior art, the beneficial effects of the utility model are that
Firstly, a flocculation settling area is formed between the inner side of the middle barrel and the outer side of the inner barrel, and an overflow weir plate is fixedly connected to the side wall of the flocculation settling area; sewage will subside the bottom at the flocculation and sedimentation interval through the silt that contains in the natural mode of subsiding in the flocculation and sedimentation interval with sewage, sewage is even through the overflow weir plate and lie in and flow to its top, and the setting up of overflow weir plate realizes that the water evenly distributed after the intermediate bucket deposits passes through the drain flow to the sewage treatment interval.
Secondly, a sewage treatment area is formed between the inner side of the shell and the outer side of the middle barrel; when the sewage is in the sewage treatment zone, the sediment contained in the sewage is settled at the bottom of the sewage treatment zone in a natural settling mode.
Thirdly, a bearing net is fixedly connected to the side wall of the sewage treatment area, and a sewage treatment material is placed above the bearing net; under the action of pressure difference formed by the change of sewage water pressure, temperature and the like, the sewage treatment material spontaneously forms micro-current on the surface of the material, under the action of the micro-current, the electrolysis action of the sewage treated by the sewage treatment material and the pretreatment unit is realized to generate hydroxyl ions, under the action of the electro-adsorption, ion exchange and strong-oxidizing hydroxyl ions generated in the electrolysis action of water, ammonia nitrogen is oxidized into salt substances in the form of nitrate and nitrite through micro-electrochemical reaction paths of adsorption, ion exchange, oxidation reduction and the like, the salt substances are reduced into nitrogen to escape from a water body and are gradually removed under the action of the sewage treatment material serving as an electron supply body, and the removal of phosphorus in the sewage is also a comprehensive action of multiple micro-electrochemical reactions of electro-adsorption, chemical adsorption and the like, so that the phosphorus in the sewage is difficultly converted into phosphate, and is thus removed from the body of water during the settling process.
And fourthly, a drainage tube is fixedly connected to the bearing net, the upper end of the drainage tube is communicated with a flocculation settling area above the overflow weir plate, the lower end of the drainage tube is positioned below the bearing net, and the drainage tube is arranged to facilitate the sewage positioned in a sewage treatment area to flow from bottom to top, so that the sewage can better react with the sewage, and organic matters and insoluble phosphate contained in the sewage can be better removed.
The utility model discloses the organic matter and the insoluble phosphate that contain in the removal sewage that can be better have reached better effect of purifying waste water.
Drawings
FIG. 1 is a schematic view showing an external structure of a small-sized domestic sewage treatment apparatus;
FIG. 2 is a schematic view showing an internal structure of a small-sized domestic sewage treatment apparatus;
FIG. 3 is a schematic view showing the connection of the inner part of the inner cylinder and the middle cylinder of the small-sized domestic sewage treatment apparatus;
FIG. 4 is a schematic view showing the inner connection of the top surface of the outer shell and the middle barrel in a small-sized domestic sewage treatment apparatus;
in the figure: 1. an inner barrel; 2. a middle barrel; 3. a housing; 4. a flocculation settling zone; 5. an overflow weir plate; 6. a sewage treatment interval; 7. a carrying net; 8. a drainage tube; 9. a water inlet hole; 10. a water baffle; 11. a connecting rod; 12. an annular void; 13. a circular hole; 14. a sewage treatment material; 15. a communicating hole; 16. a through hole; 17. a water outlet pipe; 18. a discharge pipe; 19. a butterfly valve; 20. and (4) meshes.
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.
Please refer to FIGS. 1-4
Example one
A small-sized domestic sewage treatment device comprises an inner barrel 1, an intermediate barrel 2 and a shell 3 which are arranged from inside to outside in sequence;
the inner cylinder 1 is fixedly connected to the top of the shell 3 and is communicated with the outer side of the shell 3;
a flocculation settling area 4 is formed between the inner side of the middle barrel 2 and the outer side of the inner barrel 1, and an overflow weir plate 5 is fixedly connected to the side wall of the flocculation settling area 4;
between 3 inboards of shell and the middle bucket 2 outside form sewage treatment interval 6, fixedly connected with holds carrier net 7 on the lateral wall of sewage treatment interval 6, and sewage treatment material 14 has been placed to the top of holding carrier net 7, and fixedly connected with drainage tube 8 on the carrier net 7, the upper end of drainage tube 8 with be located the interval 4 intercommunications of flocculation and sedimentation of overflow weir plate 5 top, the lower extreme is located the below of holding carrier net 7.
The inlet opening 9 that is used for fixed inner tube 1 is seted up on the top of shell 3, and the top fixed connection of the setting of inlet opening 9 inner tube 1 of being convenient for is on the top of shell 3, and the inboard of the inner tube 1 of being convenient for simultaneously communicates with the outside of shell 3.
Be provided with breakwater 10 under inner tube 1, breakwater 10 passes through connecting rod 11 fixed connection in the bottom of inner tube 1, and when sewage got into in the inner tube 1 from the upper port of inner tube 1, breakwater 10's setting prevented that sewage from realizing having great impact force to 2 inboard bottoms of middle bucket because of the effect of gravity.
The overflow weir plate 5 is of an annular structure, an annular gap 12 is formed between the inner side of the overflow weir plate 5 and the outer side of the inner barrel 1, the outer side wall of the overflow weir plate 5 is fixedly connected to the inner side wall of the middle barrel 2, and the combination of the overflow weir plate 5 and the annular gap 12 achieves the effect of uniform water distribution.
The bearing net 7 is provided with meshes 20, the sewage treatment material 14 is granular, the diameter value of the sewage treatment material 14 is larger than that of the meshes 20, and when the sewage treatment material 14 is placed on the upper surface of the bearing net 7, the granular sewage treatment material 14 is prevented from falling below the bearing net 7;
the bearing net 7 is of an annular structure, the inner side wall of the bearing net 7 is fixedly connected to the outer side wall of the middle barrel 2, and the outer side wall of the bearing net 7 is fixedly connected to the inner side wall of the shell 3;
set up the circular port 13 that is used for drainage tube 8 fixed connection on the bearing net 7, the setting of circular port 13 is convenient for drainage tube 8 fixed connection on bearing net 7.
The communicating hole 15 is formed in the side wall of the middle barrel 2 above the overflow weir plate 5, the upper end of the drainage tube 8 is fixedly connected to the side wall of the communicating hole 15, the drainage tube 8 is convenient to communicate with the flocculation settling area 4 due to the arrangement of the communicating hole 15, and therefore sewage flowing through the flocculation settling area 4 flows to the lower side of the sewage treatment area 6 through the drainage tube 8.
The top end of the shell 3 is provided with a through hole 16, and the arrangement of the through hole 16 is convenient for the sewage treatment material 14 to be placed on the upper surface of the bearing net 7;
the lateral wall of shell 3 is last the intercommunication to have outlet pipe 17, and outlet pipe 17 is located the below of overflow weir plate 5, is convenient for form the difference in height between the interval 4 of flocculating setting and the interval 6 of sewage treatment, and the sewage of being convenient for all flows from bottom to top in the interval 4 of flocculating setting and the interval 6 of sewage treatment.
The butterfly valve 19 is also called a flap valve, and is a regulating valve with a simple structure, and the finger closing member of the butterfly valve 19 is a disc and rotates around a valve shaft to achieve opening and closing.
The sewage treatment material 14 comprises the following components in percentage by weight:
the preparation method of the sewage treatment material 14 comprises the following steps:
respectively processing boron-iron-containing ring silicate, aluminum silicate potassium salt, hydrous magnesium silicate clay and weakly alkaline clay into powder;
uniformly mixing powders of boron-iron-containing ring silicate, aluminum silicate potassium salt, hydrous magnesium silicate clay and weakly alkaline clay to form a powder sewage treatment material;
adding the powder sewage treatment material into a solvent, mixing and stirring the mixture, and then processing the mixture by a ball forming machine to form a spherical object;
the pellets are sintered into granular sewage treatment material 14 in a kiln sintering furnace at a temperature of 900 ℃.
The utility model discloses when using, when the staff pours into sewage top-down into inner tube 1 in, sewage top-down flows downwards in inner tube 1, because the breakwater 10 that inner tube 1 below set up, when sewage got into inner tube 1 from the last port of inner tube 1 in, the setting of breakwater 10 prevented that sewage from having great impact force to 2 inboard bottoms of middle bucket because the effect of gravity is realized, sewage subsides the bottom of interval 4 in the flocculation and sedimentation through the mode that naturally subsides that contains in the sewage in the interval 4 of flocculation and sedimentation.
Then the sewage flows from bottom to top in the flocculation settling zone 4, flows to the lower part of the sewage treatment zone 6 through the overflow weir plate 5 and the drainage pipe 8, flows from bottom to top in the sewage treatment zone 6, and is treated by the sewage treatment material 14 in the process of flowing from bottom to top in the sewage treatment zone 6.
When the sewage treatment material 14 acts with sewage, a micro-current spontaneous mode is formed on the surface of the sewage treatment material 14 under the action of a pressure difference formed by the change of the water pressure and the temperature of the sewage, the electrolysis action of the sewage treated by the sewage treatment material 14 and the pretreatment unit is realized under the action of the micro-current to generate hydroxyl ions, ammonia nitrogen is oxidized into salt substances in the forms of nitrate and nitrite under the action of the electro-adsorption, ion exchange and the hydroxyl ions with strong oxidizing property generated in the electrolysis action of water through micro-electrochemical reaction paths of adsorption, ion exchange, oxidation reduction and the like of the sewage treatment material 14 serving as an electron supply body, the salt substances are reduced into nitrogen to escape from a water body and are gradually removed under the action of the sewage treatment material 14 serving as an electron supply body, and the removal of phosphorus in the sewage is also under the comprehensive action of multiple micro-electrochemical reactions of electro-adsorption, chemical adsorption and the like, the phosphorus in the sewage is converted into insoluble phosphate through accumulation, and the phosphate is removed in the water body in the precipitation process.
The sewage treated by the sewage treatment section 6 flows to the outer side of the shell 3 through the water outlet pipe 17; when sludge settled below the sewage treatment section 6 and the flocculation settling section 4 needs to be discharged, the operator opens the butterfly valve 19, and the sludge is discharged from the discharge pipe 18 to the outside of the housing 3 due to the gravity of the sludge.
Example two
A small-sized domestic sewage treatment device comprises an inner barrel 1, an intermediate barrel 2 and a shell 3 which are arranged from inside to outside in sequence;
the inner cylinder 1 is fixedly connected to the top of the shell 3 and is communicated with the outer side of the shell 3;
a flocculation settling area 4 is formed between the inner side of the middle barrel 2 and the outer side of the inner barrel 1, and an overflow weir plate 5 is fixedly connected to the side wall of the flocculation settling area 4;
between 3 inboards of shell and the middle bucket 2 outside form sewage treatment interval 6, fixedly connected with holds carrier net 7 on the lateral wall of sewage treatment interval 6, and sewage treatment material 14 has been placed to the top of holding carrier net 7, and fixedly connected with drainage tube 8 on the carrier net 7, the upper end of drainage tube 8 with be located the interval 4 intercommunications of flocculation and sedimentation of overflow weir plate 5 top, the lower extreme is located the below of holding carrier net 7.
The inlet opening 9 that is used for fixed inner tube 1 is seted up on the top of shell 3, and the top fixed connection of the setting of inlet opening 9 inner tube 1 of being convenient for is on the top of shell 3, and the inboard of the inner tube 1 of being convenient for simultaneously communicates with the outside of shell 3.
Be provided with breakwater 10 under inner tube 1, breakwater 10 passes through connecting rod 11 fixed connection in the bottom of inner tube 1, and when sewage got into in the inner tube 1 from the upper port of inner tube 1, breakwater 10's setting prevented that sewage from realizing having great impact force to 2 inboard bottoms of middle bucket because of the effect of gravity.
The overflow weir plate 5 is of an annular structure, an annular gap 12 is formed between the inner side of the overflow weir plate 5 and the outer side of the inner cylinder 1, and the combination of the overflow weir plate 5 and the annular gap 12 achieves the effect of uniform water distribution.
The bearing net 7 is provided with meshes 20, the sewage treatment material 14 is granular, the diameter value of the sewage treatment material 14 is larger than that of the meshes 20, and when the sewage treatment material 14 is placed on the upper surface of the bearing net 7, the granular sewage treatment material 14 is prevented from falling below the bearing net 7;
the bearing net 7 is of an annular structure, the inner side wall of the bearing net 7 is fixedly connected to the outer side wall of the middle barrel 2, and the outer side wall of the bearing net 7 is fixedly connected to the inner side wall of the shell 3;
set up the circular port 13 that is used for drainage tube 8 fixed connection on the bearing net 7, the setting of circular port 13 is convenient for drainage tube 8 fixed connection on bearing net 7.
The communicating hole 15 is formed in the side wall of the middle barrel 2 above the overflow weir plate 5, the upper end of the drainage tube 8 is fixedly connected to the side wall of the communicating hole 15, the drainage tube 8 is convenient to communicate with the flocculation settling area 4 due to the arrangement of the communicating hole 15, and therefore sewage flowing through the flocculation settling area 4 flows to the lower side of the sewage treatment area 6 through the drainage tube 8.
The top end of the shell 3 is provided with a through hole 16, and the arrangement of the through hole 16 is convenient for the sewage treatment material 14 to be placed on the upper surface of the bearing net 7;
the lateral wall of shell 3 is last the intercommunication to have outlet pipe 17, and outlet pipe 17 is located the below of overflow weir plate 5, is convenient for form the difference in height between the interval 4 of flocculating setting and the interval 6 of sewage treatment, and the sewage of being convenient for all flows from bottom to top in the interval 4 of flocculating setting and the interval 6 of sewage treatment.
The butterfly valve 19 is also called a flap valve, and is a regulating valve with a simple structure, and the finger closing member of the butterfly valve 19 is a disc and rotates around a valve shaft to achieve opening and closing.
The sewage treatment material 14 comprises the following components in percentage by weight:
the preparation method of the sewage treatment material 14 comprises the following steps:
respectively processing boron-iron-containing ring silicate, aluminum silicate potassium salt, hydrous magnesium silicate clay and weakly alkaline clay into powder;
uniformly mixing powders of boron-iron-containing ring silicate, aluminum silicate potassium salt, hydrous magnesium silicate clay and weakly alkaline clay to form a powder sewage treatment material;
adding the powder sewage treatment material into a solvent, mixing and stirring the mixture, and then processing the mixture by a ball forming machine to form a spherical object;
the pellets are sintered into granular sewage treatment material 14 in a kiln sintering furnace at a temperature of 1000 c.
The utility model discloses when using, when the staff pours into sewage top-down into inner tube 1 in, sewage top-down flows downwards in inner tube 1, because the breakwater 10 that inner tube 1 below set up, when sewage got into inner tube 1 from the last port of inner tube 1 in, the setting of breakwater 10 prevented that sewage from having great impact force to 2 inboard bottoms of middle bucket because the effect of gravity is realized, sewage subsides the bottom of interval 4 in the flocculation and sedimentation through the mode that naturally subsides that contains in the sewage in the interval 4 of flocculation and sedimentation.
Then the sewage flows from bottom to top in the flocculation settling zone 4, flows to the lower part of the sewage treatment zone 6 through the overflow weir plate 5 and the drainage pipe 8, flows from bottom to top in the sewage treatment zone 6, and is treated by the sewage treatment material 14 in the process of flowing from bottom to top in the sewage treatment zone 6.
When the sewage treatment material 14 acts with sewage, a micro-current spontaneous mode is formed on the surface of the sewage treatment material 14 under the action of a pressure difference formed by the change of the water pressure and the temperature of the sewage, the electrolysis action of the sewage treated by the sewage treatment material 14 and the pretreatment unit is realized under the action of the micro-current to generate hydroxyl ions, ammonia nitrogen is oxidized into salt substances in the forms of nitrate and nitrite under the action of the electro-adsorption, ion exchange and the hydroxyl ions with strong oxidizing property generated in the electrolysis action of water through micro-electrochemical reaction paths of adsorption, ion exchange, oxidation reduction and the like of the sewage treatment material 14 serving as an electron supply body, the salt substances are reduced into nitrogen to escape from a water body and are gradually removed under the action of the sewage treatment material 14 serving as an electron supply body, and the removal of phosphorus in the sewage is also under the comprehensive action of multiple micro-electrochemical reactions of electro-adsorption, chemical adsorption and the like, the phosphorus in the sewage is converted into insoluble phosphate through accumulation, and the phosphate is removed in the water body in the precipitation process.
The sewage treated by the sewage treatment section 6 flows to the outer side of the shell 3 through the water outlet pipe 17; when sludge settled below the sewage treatment section 6 and the flocculation settling section 4 needs to be discharged, the operator opens the butterfly valve 19, and the sludge is discharged from the discharge pipe 18 to the outside of the housing 3 due to the gravity of the sludge.
"fixedly connected" as described in the present invention means that two parts connected to each other are fixed together, typically by welding; "rotationally coupled" means that two components are coupled together and capable of relative motion.
Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (8)
1. The utility model provides a small-size sewage treatment device which characterized in that: comprises an inner barrel (1), an intermediate barrel (2) and a shell (3) which are arranged from inside to outside in sequence;
the inner cylinder (1) is fixedly connected to the top of the shell (3) and is communicated with the outer side of the shell (3);
a flocculation settling area (4) is formed between the inner side of the middle barrel (2) and the outer side of the inner barrel (1), and an overflow weir plate (5) is fixedly connected to the side wall of the flocculation settling area (4);
between shell (3) inboard and middle bucket (2) the outside form sewage treatment interval (6), fixedly connected with holds carrier net (7) on the lateral wall of sewage treatment interval (6), sewage treatment material (14) have been placed to the top of holding carrier net (7), fixedly connected with drainage tube (8) on holding carrier net (7), the upper end of drainage tube (8) with be located the interval (4) intercommunication is subsided in the flocculation of overflow weir plate (5) top, the lower extreme is located the below of holding carrier net (7).
2. The small-sized domestic sewage treatment equipment according to claim 1, wherein the top end of the housing (3) is provided with a water inlet hole (9) for fixing the inner cylinder (1).
3. The small-sized domestic sewage treatment equipment according to claim 1, wherein a water baffle (10) is arranged right below the inner cylinder (1), and the water baffle (10) is fixedly connected to the bottom end of the inner cylinder (1) through a connecting rod (11).
4. The small-sized domestic sewage treatment equipment according to claim 1, wherein the overflow weir plate (5) is of an annular structure, an annular gap (12) is formed between the inner side of the overflow weir plate (5) and the outer side of the inner barrel (1), and the outer side wall of the overflow weir plate (5) is fixedly connected with the inner side wall of the intermediate barrel (2).
5. The small-sized domestic sewage treatment equipment according to claim 1, wherein said carrying net (7) is provided with meshes (20), said sewage treatment material (14) is granular, and the diameter value of said sewage treatment material (14) is larger than that of said meshes (20);
the bearing net (7) is of an annular structure, the inner side wall of the bearing net (7) is fixedly connected to the outer side wall of the middle barrel (2), and the outer side wall of the bearing net (7) is fixedly connected to the inner side wall of the shell (3);
the bearing net (7) is provided with a circular hole (13) for fixedly connecting the drainage tube (8).
6. The small-sized domestic sewage treatment equipment according to claim 1, wherein the sidewall of the middle barrel (2) above the overflow weir plate (5) is provided with a communication hole (15), and the upper end of the draft tube (8) is fixedly connected to the sidewall of the communication hole (15).
7. The small-sized domestic sewage treatment equipment according to claim 1, wherein the top end of said housing (3) is provided with a through hole (16);
the side wall of the shell (3) is communicated with a water outlet pipe (17), and the water outlet pipe (17) is positioned below the overflow weir plate (5).
8. The small-sized domestic sewage treatment equipment according to claim 1, wherein the lower ends of the intermediate barrel (2) and the housing (3) are both in a conical shape, the lower ends of the intermediate barrel (2) and the housing (3) are both communicated with a discharge pipe (18), and butterfly valves (19) are mounted on the discharge pipes (18) positioned outside the housing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921874355.8U CN211004913U (en) | 2019-11-01 | 2019-11-01 | Small-size domestic sewage treatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921874355.8U CN211004913U (en) | 2019-11-01 | 2019-11-01 | Small-size domestic sewage treatment equipment |
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| CN211004913U true CN211004913U (en) | 2020-07-14 |
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| CN201921874355.8U Active CN211004913U (en) | 2019-11-01 | 2019-11-01 | Small-size domestic sewage treatment equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110683690A (en) * | 2019-11-01 | 2020-01-14 | 安徽绿金生态环境科技有限公司 | Small-size domestic sewage treatment equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110683690A (en) * | 2019-11-01 | 2020-01-14 | 安徽绿金生态环境科技有限公司 | Small-size domestic sewage treatment equipment |
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