CN217173529U - Rural single household sewage treatment unit - Google Patents
Rural single household sewage treatment unit Download PDFInfo
- Publication number
- CN217173529U CN217173529U CN202221229594.XU CN202221229594U CN217173529U CN 217173529 U CN217173529 U CN 217173529U CN 202221229594 U CN202221229594 U CN 202221229594U CN 217173529 U CN217173529 U CN 217173529U
- Authority
- CN
- China
- Prior art keywords
- sludge
- zone
- area
- biochemical
- partition plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The utility model provides a rural single household domestic sewage treatment device. The device comprises: the device comprises a shell with an accommodating space and a plurality of partition plates for dividing the accommodating space into 6 functional areas including an acidification area, a sludge adsorption area, a biochemical first area, a biochemical second area, a sludge settling area and a clear water area, wherein the acidification area is communicated with a main water inlet, the clear water area is communicated with a main water outlet, the sludge adsorption area is communicated with a first sludge outlet, and the sludge settling area is communicated with a second sludge outlet; domestic sewage enters from the main water inlet, sequentially enters the acidification area, the sludge adsorption area, the first biochemical area, the second biochemical area and the sludge sedimentation area to be treated to obtain clear water and sludge, clear water flows into the clear water area and is discharged through the main water outlet, part of sludge is discharged through the first sludge outlet in the sludge adsorption area, and part of sludge is discharged through the second sludge outlet in the sludge sedimentation area. The utility model provides a sewage treatment plant need not to set up fixed sludge collecting device, and has advantages such as area is little, sewage treatment is effectual.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to rural single family sewage treatment unit.
Background
Rural domestic sewage generally consists of toilet sewage, washing sewage, kitchen sewage, bathing sewage and sewage generated by raising poultry and livestock, and has the characteristic of higher COD (chemical oxygen demand), N (nitrogen) and P (phosphorus) contents.
At present, the treatment process of rural single-family domestic sewage mostly adopts an activated sludge method, biochemical excess sludge is inevitably generated, and at present, two sludge discharge modes of the biochemical excess sludge are provided, wherein one mode is continuous small-flow sludge discharge, and the other mode is high-frequency intermittent sludge discharge. Continuous small-flow sludge discharge or high-frequency intermittent sludge discharge needs to be provided with a fixed sludge collecting device, so that the cost of the sewage treatment system is increased, and the occupied area of the sewage treatment system is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a domestic sewage treatment device that area is little, sewage treatment is effectual and need not to set up fixed sludge collecting device to solve the problem that provides in the background art.
In order to achieve the above purpose, the utility model provides a rural single household sewage treatment unit, include:
the device comprises a shell, a water inlet pipe, a water outlet pipe, a first mud outlet and a second mud outlet, wherein the shell is provided with an accommodating space and comprises a main water inlet, a main water outlet, a first mud outlet and a second mud outlet which are communicated with the outside;
the accommodating space is divided into an acidification area, a sludge adsorption area, a biochemical first area, a biochemical second area, a sludge sedimentation area and a clear water area by the partition plates, the acidification area is communicated with the main water inlet, the clear water area is communicated with the main water outlet, the sludge adsorption area is communicated with the first sludge outlet, and the sludge sedimentation area is communicated with the second sludge outlet; the acidification zone is communicated with the sludge adsorption zone, the sludge adsorption zone is respectively communicated with the biochemical first zone and the sludge sedimentation zone, the biochemical first zone is communicated with the biochemical second zone, the biochemical second zone is communicated with the sludge sedimentation zone, and the sludge sedimentation zone is communicated with the clear water zone;
domestic sewage enters from the total water inlet, and sequentially enters the acidification area, the sludge adsorption area, the biochemical first area, the biochemical second area and the sludge sedimentation area to be treated to obtain clear water and sludge, the clear water flows into the clear water area and is discharged through the total water outlet, part of the sludge is discharged from the sludge adsorption area through the first sludge outlet, and part of the sludge is discharged from the sludge sedimentation area through the second sludge outlet.
In a specific embodiment, the sewage treatment device further includes a fan and an aerator pipe, two ends of the aerator pipe are respectively communicated with the fan and the biochemical zone, an air outlet end of the aerator pipe is located at the bottom of the biochemical zone, sewage is subjected to anoxic biochemical treatment in the biochemical zone, aerobic biochemical treatment is performed in the biochemical zone, and a mixed liquid obtained through the aerobic biochemical treatment in the biochemical zone is returned to the biochemical zone through a first return pipe.
In a specific embodiment, the sewage treatment device further comprises a second return pipe, wherein an inlet end of the second return pipe is communicated with the sludge settling zone, and an outlet end of the second return pipe is communicated with the sludge adsorption zone, and a part of the sludge treated by the sludge settling zone returns to the sludge adsorption zone for adsorbing and settling suspended particles and colloids.
In a specific embodiment, the water flow direction of the acidification zone and the biochemical zone adopts a mode of going in and going out from the bottom, the water flow direction of the sludge adsorption zone and the clear water zone adopts a mode of going in and going out from the top, the water flow direction of the biochemical zone adopts a mode of going in and going out from the top, and the water flow direction of the sludge sedimentation zone adopts a mode of going in and going out from the middle.
In a specific embodiment, the housing includes a top plate and a bottom plate disposed opposite to each other, and a first sidewall and a second sidewall connected to the top plate and the bottom plate at two ends, respectively, and the first sidewall and the second sidewall are disposed in parallel and spaced apart from each other.
In a specific embodiment, the acidification zone is located in the middle area of the housing space, and the partition plates include a first partition plate, a second partition plate, a third partition plate and a fourth partition plate which enclose the acidification zone, a fifth partition plate which is used for separating the biochemical first zone from the biochemical second zone, and a sixth partition plate which is used for separating the sludge adsorption zone from the biochemical first zone, wherein:
the first partition plate and the third partition plate are arranged opposite to the top plate, the first partition plate is arranged close to the bottom plate, the third partition plate is clamped between the first partition plate and the top plate, two ends of the first partition plate are respectively connected with the second partition plate and the second side wall, and two ends of the third partition plate are respectively connected with the second partition plate and the fourth partition plate;
the second partition plate and the fourth partition plate are arranged opposite to the first side wall, the second partition plate is arranged close to the first side wall, the fourth partition plate is clamped between the second partition plate and the second side wall, and two ends of the fourth partition plate are respectively connected with the first partition plate and the top plate;
two ends of the fifth clapboard are respectively connected with the first side wall and the second clapboard;
and two ends of the sixth clapboard are respectively connected with the first clapboard and the bottom plate.
In a specific embodiment, the sludge adsorption area and the biochemical first area are located below the accommodating space, wherein the sludge adsorption area is enclosed by the bottom plate, the second side wall, the first partition plate and the sixth partition plate, and the biochemical first area is enclosed by the bottom plate, the sixth partition plate, the first partition plate, the second partition plate, the fifth partition plate and the first side wall.
In a specific embodiment, the biochemical second region is located above the biochemical first region, and the biochemical second region is surrounded by the fifth partition, the second partition, the third partition, the fourth partition, the top plate and the first side wall.
In a specific embodiment, the sludge settling zone and the clean water zone are located above the sludge adsorption zone, and the sludge settling zone and the clean water zone are separated from the sludge adsorption zone by the first partition plate, wherein the sludge settling zone and the clean water zone are enclosed by the first partition plate, the second side wall, the top plate and the fourth partition plate, and the clean water zone is located on a side below the sludge settling zone away from the acidification zone.
In a specific embodiment, the total water inlet is provided in the sludge settling zone and is communicated with the acidification zone through a total water inlet pipe, the total water outlet is provided in the clear water zone, the first sludge outlet is provided in the sludge adsorption zone, and the second sludge outlet is provided in the sludge settling zone.
The beneficial effects of the utility model include at least:
the utility model provides a rural single household sewage treatment device separates the housing with the accommodating space into an acidification zone, a sludge adsorption zone, a biochemical first zone, a biochemical second zone, a sludge sedimentation zone and a clear water zone through the baffle, domestic sewage enters from the total water inlet, and sequentially enters the acidification zone, the sludge adsorption zone, the biochemical first zone, the biochemical second zone and the sludge sedimentation zone for treatment to obtain clear water and sludge, clear water flows into the clear water zone and is discharged through the total water outlet, partial sludge is discharged through the first sludge outlet in the sludge adsorption zone, and partial sludge is discharged through the second sludge outlet in the sludge sedimentation zone; thus, the domestic sewage is sequentially treated by acidification (hydrolysis and acidification of suspended organic matters and macromolecular organic matters which are difficult to be biologically acidified into soluble organic matters and small molecular substances which are easy to be biologically decomposed), adsorption (adsorption and sedimentation of suspended particles and colloid), anoxic biochemistry (denitrification), aerobic biochemistry (denitrification and dephosphorization) and sedimentation (sludge-water separation) in each functional area to obtain clean clear water, on one hand, the quality of the clear water obtained by the process treatment is good, on the other hand, the sewage treatment device integrates the functional areas into a whole, has the advantages of small floor area and convenient installation and use, is very suitable for rural single-family installation, simultaneously, the sludge adsorption area and the sludge sedimentation area can both store sludge, the sludge storage space is large, the sludge retention time can be greatly prolonged, namely the sludge clearing period is prolonged, and therefore, a fixed sludge collection device is not required, and (5) temporarily collecting the sludge during sludge cleaning.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
FIG. 1 is a schematic structural view of a rural single-family domestic sewage treatment device provided by an embodiment of the present invention;
fig. 2 is a schematic layout diagram of each functional area of the rural single-family domestic sewage treatment device provided by an embodiment of the utility model.
Description of reference numerals:
| |
100 | |
10 | |
11 |
| |
12 | The first sludge outlet | 13 | A |
14 |
| |
15 | Base plate | 16 | |
17 |
| |
18 | |
20 | |
21 |
| |
22 | |
23 | |
24 |
| |
25 | |
26 | |
31 |
| |
32 | Biochemical |
33 | Biochemical two- |
34 |
| |
35 | |
36 | |
40 |
| |
50 | |
60 | Main |
70 |
Detailed Description
Embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be defined and covered by the claims in a variety of different embodiments.
Referring to fig. 1 and 2, the present invention provides a rural domestic sewage treatment apparatus 100 for single household, comprising:
the device comprises a shell 10, wherein the shell 10 is provided with a containing space and comprises a main water inlet 11, a main water outlet 12, a first sludge outlet 13 and a second sludge outlet 14 which are communicated with the outside;
the accommodating space is divided into an acidification area 31, a sludge adsorption area 32, a biochemical first area 33, a biochemical second area 34, a sludge settling area 35 and a clear water area 36 by the partition plates 20, the acidification area 31 is communicated with the main water inlet 11, the clear water area 36 is communicated with the main water outlet 12, the sludge adsorption area 32 is communicated with the first sludge outlet 13, and the sludge settling area 35 is communicated with the second sludge outlet 14; wherein, the acidification zone 31 is communicated with the sludge adsorption zone 32, the sludge adsorption zone 32 is respectively communicated with the biochemical first zone 33 and the sludge precipitation zone 35, the biochemical first zone 33 is communicated with the biochemical second zone 34, the biochemical second zone 34 is communicated with the sludge precipitation zone 35, and the sludge precipitation zone 35 is communicated with the clean water zone 36;
domestic sewage enters from the main water inlet 11 and sequentially enters the acidification zone 31, the sludge adsorption zone 32, the biochemical first zone 33, the biochemical second zone 34 and the sludge sedimentation zone 35 to be treated to obtain clear water and sludge, the clear water flows into the clear water zone 36 and is discharged through the main water outlet 12, part of the sludge is discharged through the first sludge outlet in the sludge adsorption zone 32, and part of the sludge is discharged through the second sludge outlet 14 in the sludge sedimentation zone 35.
The utility model provides a rural single household sewage treatment device 100 will have accommodating space's casing 10 through baffle 20 and separate for acidizing district 31, sludge adsorption district 32, biochemical one district 33, biochemical two districts 34, sludge settling zone 35 and clear water district 36, domestic sewage certainly total water inlet 11 gets into, gets into in proper order acidizing district 31, sludge adsorption district 32 biochemical one district 33, biochemical two districts 34 and sludge settling zone 35 handle, obtain clear water and mud, and the clear water flows into clear water district 36 passes through total delivery port 12 and discharges, and partial mud is in sludge adsorption district 32 discharges through first mud outlet, and partial mud is in sludge settling zone 35 discharges through second mud outlet 14; thus, the domestic sewage is sequentially treated by acidification (hydrolysis and acidification of suspended organic matters and macromolecular organic matters which are difficult to be biologically acidified into soluble organic matters and micromolecular substances which are easy to be biologically decomposed), adsorption (adsorption and sedimentation of suspended particles and colloid), anoxic biochemistry (denitrification), aerobic biochemistry (denitrification and dephosphorization) and sedimentation (mud-water separation) in each functional area to obtain clean clear water, on one hand, the quality of the clear water obtained by the process treatment is good, on the other hand, the sewage treatment device integrates the functional areas into a whole, has the advantages of small occupied area and convenient installation and use, is very suitable for rural single-family installation, simultaneously, the sludge adsorption area and the sludge settling area can store sludge, the sludge storage space is large, the sludge retention time can be greatly prolonged, namely, the sludge clearing period is prolonged, and therefore, a fixed sludge collection device is not needed, and (5) temporarily collecting the sludge during sludge cleaning.
In this embodiment, the housing 10 is a square housing, in other embodiments, it may be a housing with other shapes such as a cylindrical housing, or a housing with an irregular shape, as long as it has an accommodating space, and the accommodating space can be divided into the above-mentioned 6 functional areas by the partition 20.
In this embodiment, the housing 10 is made of metal to prolong the service life of the sewage treatment apparatus 100, and in other embodiments, the housing may be made of plastic, wood, or other materials.
The inlet of the acidification zone 31 is communicated with the main water inlet 11, the sewage source is a septic tank, and the outlet of the acidification zone 31 is communicated with the first inlet of the sludge adsorption zone 32; in the acidification zone, suspended organic matters and macromolecular organic matters which are difficult to acidify in the domestic sewage are hydrolyzed and acidified into soluble organic matters and micromolecular substances which are easy to biologically acidify, and the efficiency of subsequent biochemical reaction is improved.
A first inlet of the sludge adsorption zone 32 is communicated with an outlet of the acidification zone 31, a second inlet of the sludge adsorption zone 32 is communicated with a first outlet of the sludge sedimentation zone 35, an outlet of the sludge adsorption zone 32 is communicated with a first inlet of the biochemical first zone 33, and sludge in the sludge adsorption zone 32 is discharged through the first sludge outlet 13; the sewage obtained by the acidification treatment in the acidification zone 31 enters the sludge adsorption zone 32, the high-concentration backflow sludge in the sludge precipitation zone 35 is used as an adsorbent to adsorb and settle suspended particulate matters and colloids in the sewage in the sludge adsorption zone 32, macromolecular organic matters in the sludge adsorption part can be continuously decomposed into organic matters to enter water and enter a subsequent functional zone to be used as nutrient substances of biochemical reaction, inorganic matter particles, inorganic phosphorus salts and colloid substances adsorbed by the sludge can settle with the backflow sludge, and the removal rate of total particulate matters and total phosphorus is improved.
A first inlet of the first biochemical area 33 is communicated with an outlet of the sludge adsorption area 32, a second inlet of the first biochemical area 33 is communicated with a first outlet of the second biochemical area 34, and an outlet of the first biochemical area 33 is communicated with an inlet of the second biochemical area 34; the sewage obtained by the adsorption treatment in the sludge adsorption area 32 enters the biochemical first area 33, and forms an anoxic environment through the mixed liquid from the biochemical second area 34 to culture denitrifying bacteria so as to achieve the aim of denitrification.
The inlet of the biochemical second area 34 is communicated with the outlet of the biochemical first area 33, the first outlet of the biochemical second area 34 is communicated with the second inlet of the biochemical first area 33, and the second outlet of the biochemical second area 34 is communicated with the inlet of the sludge settling area 35; the sewage obtained by the anoxic oxidation biochemical treatment in the biochemical first area 33 enters the biochemical second area 34, aerobic biochemical treatment is carried out in the biochemical second area 34, nitrifying bacteria and phosphorus accumulating bacteria are cultured, ammonium nitrogen can be converted into nitrate nitrogen, and the phosphorus accumulating bacteria can absorb a large amount of phosphorus, thereby playing a key role in nitrogen and phosphorus removal.
The inlet of the sludge settling zone 35 is communicated with the second outlet of the biochemical second zone 34, the first outlet of the sludge settling zone 35 is communicated with the first inlet of the sludge adsorption zone 32, and the second outlet of the sludge settling zone 35 is communicated with the inlet of the clear water zone 36; the sewage obtained by the aerobic biochemical treatment in the biochemical zone 34 enters the sludge settling zone 35 to be subjected to mud-water separation by a natural settling principle, the sludge is discharged through the second sludge outlet 14, and the clear water enters the clear water zone 36.
The inlet of the clean water area 36 is provided with a water inlet weir, the water in the clean water area 36 is discharged outside through the main water outlet 12, and the water inlet weir is arranged in the inlet of the clean water area to increase the width of the water inlet of the clean water area, reduce the flow velocity of the inlet water, reduce the flow fluctuation and improve the water quality.
Further, the sewage treatment device 100 further includes a fan and an aeration pipe 50 having two ends respectively communicated with the fan and the second biochemical region 34, an air outlet end of the aeration pipe 60 is located at the bottom of the second biochemical region 34, the sewage is subjected to anoxic biochemical treatment in the first biochemical region 33, aerobic biochemical treatment is performed in the second biochemical region 34, and a mixed liquid obtained by the aerobic biochemical treatment in the second biochemical region 34 flows back to the first biochemical region 33 through the first return pipe 40.
The first biochemical area 33 returns the mixed liquid from the second biochemical area 34 to the first biochemical area 33 to form an anoxic environment, so as to culture denitrifying bacteria and achieve the aim of denitrification.
It should be added that, besides the function of the fan to provide oxygen gasification for the bacteria reacted in the biochemical second area 34 through the aeration pipe 50, the power of the return flow of the mixed liquid in the biochemical second area 34 back to the biochemical first area 33 also comes from the fan, and the air stripping mode is adopted.
Further, the sewage treatment device 100 further comprises a second return pipe 60 having an inlet end communicated with the sludge settling zone 35 and an outlet end communicated with the sludge adsorption zone 32, wherein the sludge part treated by the sludge settling zone 35 returns to the sludge adsorption zone 32 for adsorbing and settling suspended particles and colloids.
Through setting up second back flow 60, on the one hand, the warp the high concentration backward flow mud that mud sedimentation district 35 sedimentation separation obtained returns mud adsorption district 32 subsides suspended particles and colloid with the absorption, on the other hand for mud sedimentation district 35 with mud adsorption district 32 homoenergetic storage mud, the dwell time that can prolong mud greatly improves the clear mud cycle promptly, therefore no longer need set up fixed sludge collection device, carry out interim collection during clear mud can.
In the present embodiment, the outlet of the second return pipe 60 is arranged near the inlet of the sludge adsorption zone 32, and the sludge flowing out of the second return pipe 60 directly contacts and adsorbs the sludge at the inlet of the sludge adsorption zone 32.
It should be added that the power of the return sludge comes from the fan, and the air stripping mode is adopted.
Furthermore, the water flow direction of the acidification zone 31 and the biochemical zone 34 adopts a downward-in and upward-out mode, the water flow direction of the sludge adsorption zone 32 and the clear water zone 36 adopts an upward-in and upward-out mode, the water flow direction of the biochemical zone 33 adopts an upward-in and downward-out mode, and the water flow direction of the sludge sedimentation zone 35 adopts a middle-in and downward-out mode.
The water flow direction of the acidification zone 31 adopts a mode of going in and going out from the bottom, so that the total water inlet is arranged in the sludge precipitation zone and communicated with the acidification zone through a total water inlet pipe, the total water inlet pipe extends into the bottom of the acidification zone, and the sewage treated by acidification in the acidification zone overflows from the top of the acidification zone and flows into the top of the sludge adsorption zone through a water pipe. Therefore, the sludge in the acidification zone can be brought into the sludge adsorption zone by the water flow which can go in and out from the lower part and can rise up and down, so that the sludge deposition in the acidification zone is avoided, and the sludge adsorption efficiency of the sludge adsorption zone is also improved.
The water flow direction of the sludge adsorption area 32 adopts an upward-out mode, so that it can be understood that the water inlet pipe of the sludge adsorption area 32 overflows into the top of the sludge adsorption area 32, and the water flows out from the top of the sludge adsorption area 32.
Sludge adsorption is a fast process, the reaction time is about 15 minutes to 30 minutes, and the sludge adsorption area 32 adopts an upward-inlet and upward-outlet water inlet and outlet mode to reduce the retention time of a waterway, so that the disturbance of medium flow to a lower sludge storage layer can be reduced. It should be added that the power for discharging the sludge in the sludge adsorption zone 32 is also from the fan, and the air stripping mode is adopted.
The water flow direction of the biochemical first area 33 adopts a mode of up-in and down-out, and it can be understood that the water inlet pipe of the biochemical first area 33 is connected to the top of the biochemical first area 33, and the water outlet pipe of the biochemical first area 33 is connected to the bottom of the biochemical first area 33. Thus, the water flow direction from the upper part to the lower part of the biochemical first area 33 can prolong the medium flow path and increase the biochemical reaction time; the bottom effluent can bring the sludge of the living reaction in the first biochemical area 33 into the second biochemical area 34 and then flow into the sludge settling area 35.
The water flow direction of the biochemical second area 34 adopts a downward-in and upward-out mode, and it can be understood that the water inlet pipe of the biochemical second area 34 is connected to the bottom of the biochemical second area 34, and the water outlet pipe overflows from the top of the biochemical second area 34. Thus, the biochemical region 34 adopts a flow path which can prolong the medium flow by the downward-in and upward-out, increases the biochemical reaction time, and leads the bottom biochemical sludge to the top of the functional region through water flow and aerated airflow to overflow to the sludge settling region 35.
The water flow direction of the sludge settling zone 35 adopts a mode of feeding in from the middle part and discharging out from the bottom part, so that the water inlet pipe of the sludge settling zone 35 is arranged in the middle part of the sludge settling zone, and the discharged sludge is discharged from the bottom connecting pipe of the sludge settling zone 35; in this embodiment, a water distribution pipe is provided for water inlet in the middle of the sludge settling area 35 to slow down the flow velocity of the water outlet end, reduce the disturbance to the sludge storage area in the sludge settling area, and improve the quality of the outlet water.
It should be added that the power for discharging the sludge in the sludge settling zone 35 is also from the fan, and the air stripping mode is adopted.
The water flow direction of the clean water area 36 adopts an upward-outlet mode, and it can be understood that the inlet water of the clean water area 36 enters through the water inlet weir arranged at the upper end, and the outlet water overflows and flows out of the device. Like this, the district of intaking sets up into the weir, increases the water inlet width in clean water basin, reduces the inflow velocity of flow, reduces rivers and gasps, improves out water quality of water.
It should be added that, during normal operation, the external air supply fan is used for aeration of the biochemical second area 34, mixed liquid return of the biochemical second area 34 and sludge return of the sludge adsorption area 32; when sludge needs to be discharged outwards, the 3 paths of air supply need to be suspended, and the biochemical reaction effect is not influenced by the short-time air supply suspension.
Further, the housing 10 includes a top plate 15 and a bottom plate 16 disposed opposite to each other, and a first side wall 17 and a second side wall 18 connected at two ends to the top plate 15 and the bottom plate 16, respectively, wherein the first side wall 17 and the second side wall 18 are disposed in parallel and spaced apart from each other.
In this embodiment, the housing 10 is a rectangular parallelepiped or square housing, the top plate 15 is the upper plate shown in fig. 1, the bottom plate 16 is the lower plate shown in fig. 1, the first side wall 17 is the left side wall shown in fig. 1, and the second side wall 18 is the right side wall shown in fig. 1.
Further, the acidification zone 31 is located in the middle area of the housing space, and the partition 20 includes a first partition 21, a second partition 22, a third partition 23, and a fourth partition 24 enclosing the acidification zone 21, a fifth partition 25 for separating the first biochemical zone 33 and the second biochemical zone 34, and a sixth partition 26 for separating the sludge adsorption zone 32 and the first biochemical zone 33, wherein:
the first partition plate 21 and the third partition plate 23 are both arranged opposite to the top plate 15, the first partition plate 21 is arranged adjacent to the bottom plate 16, the third partition plate 23 is clamped between the first partition plate 21 and the top plate 15, two ends of the first partition plate 21 are respectively connected with the second partition plate 22 and the second side wall 18, and two ends of the third partition plate 23 are respectively connected with the second partition plate 22 and the fourth partition plate 24;
the second partition plate 22 and the fourth partition plate 24 are both arranged opposite to the first side wall 17, the second partition plate 22 is arranged adjacent to the first side wall 17, the fourth partition plate 24 is clamped between the second partition plate 22 and the second side wall 18, and two ends of the fourth partition plate 24 are respectively connected with the first partition plate 21 and the top plate 15;
both ends of the fifth partition plate 25 are connected with the first side wall 17 and the second partition plate 22, respectively;
both ends of the sixth partition 26 are connected to the first partition 17 and the bottom plate 16, respectively.
In this embodiment, the fifth partition 25 is spaced parallel to the top plate 15, and the sixth partition 26 is spaced parallel to the first side wall 17.
Further, the sludge adsorption area 32 and the first biochemical area 33 are located below the accommodating space, wherein the sludge adsorption area 32 is enclosed by the bottom plate 16, the second side wall 18, the first partition plate 21 and the sixth partition plate 26, and the first biochemical area 33 is enclosed by the bottom plate 16, the sixth partition plate 26, the first partition plate 21, the second partition plate 22, the fifth partition plate 25 and the first side wall 17.
Further, the biochemical second region 34 is located above the biochemical first region 33, and the biochemical second region 34 is enclosed by the fifth partition plate 25, the second partition plate 22, the third partition plate 23, the fourth partition plate 24, the top plate 15, and the first side wall 17.
Further, the sludge settling zone 35 and the clean water zone 36 are located above the sludge adsorption zone 32, the sludge settling zone 35 and the clean water zone 36 are separated from the sludge adsorption zone 32 by the first partition plate 21, wherein the sludge settling zone 35 and the clean water zone 36 are enclosed by the first partition plate 21, the second side wall 18, the top plate 15 and the fourth partition plate 24, and the clean water zone 36 is located on a side below the sludge settling zone 35 away from the acidification zone 30.
In this embodiment, the reason that the acidification zone 31 is located in the middle area of the accommodating space, the sludge adsorption zone 32 and the first biochemical zone 33 are located in the lower area, the second biochemical zone 34 and the sludge settling zone 35 are located in the upper area and are respectively located on two sides of the acidification zone 31, and the cleaning zone 36 is located in the lower right corner of the sludge settling zone 35, and 6 large functional zones including the acidification zone 31, the sludge adsorption zone 32, the first biochemical zone 33, the second biochemical zone 34, the sludge settling zone 35 and the clean water zone 36 are distributed in such a way is that the water inlet pipe and the water outlet pipe are conveniently arranged in each functional zone, and the water flow direction setting of each functional zone is satisfied.
Further, the total water inlet 11 is provided in the sludge settling zone 35 and is communicated with the acidification zone 31 through a total water inlet pipe 70, the total water outlet 12 is provided in the clear water zone 36, the first sludge outlet 13 is provided in the sludge adsorption zone 32, and the second sludge outlet 14 is provided in the sludge settling zone 35.
The utility model discloses in, sewage gets into acidizing area 21 through total inlet tube 70, and begin to carry out the technology processing, can obtain the mud that will discharge in sludge adsorption district 32 and sludge settling zone 35 homoenergetic, and the clear water discharges through total outlet pipe 12, it sets up rationally to intake and go out water, it is big to set up two sludge storage areas and can provide bigger mud storage space, the dwell time that can prolong mud greatly improves the clear mud cycle promptly, therefore no longer need set up fixed mud collection device, it can to carry out interim collection during clear mud.
It should be noted that the device may further include a main water outlet pipe installed at the main water outlet 12, and mud outlet pipes installed at the first mud outlet 13 and the second mud outlet 14, and it is more convenient to drain water through the main water outlet pipe and to drain mud through the mud outlet pipes.
The utility model provides a process flow that sewage treatment plant 100 handles sewage is as follows: domestic sewage enters the acidification zone 31 through the main water inlet pipe 70, the sewage enters the sludge adsorption zone 32 after being subjected to acidification treatment in the acidification zone 31, the sewage is adsorbed and settled through sludge returned by the sludge sedimentation zone 35 in the sludge adsorption zone 32 to obtain sludge and sewage, the sludge is discharged through a first sludge outlet, the sewage is introduced into the biochemical first zone 33 for anoxic biochemical treatment, and then is introduced into the biochemical second zone for aerobic biochemical treatment, and then is introduced into the sludge sedimentation zone 35 for sludge-water separation, finally clear water enters the clear water zone, the sludge is discharged through the sludge sedimentation zone, namely the domestic sewage is subjected to acidification, adsorption, anoxic biochemical treatment, aerobic biochemical treatment and sedimentation treatment to obtain clear water and sludge, the clear water is directly discharged, and the sludge is stored in the sludge adsorption zone and the sludge sedimentation zone and is periodically discharged.
The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions and replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. A rural single household sewage treatment device is characterized by comprising:
the device comprises a shell, a water inlet pipe, a water outlet pipe, a first mud outlet and a second mud outlet, wherein the shell is provided with an accommodating space and comprises a main water inlet, a main water outlet, a first mud outlet and a second mud outlet which are communicated with the outside;
the accommodating space is divided into an acidification area, a sludge adsorption area, a biochemical first area, a biochemical second area, a sludge sedimentation area and a clear water area by the partition plates, the acidification area is communicated with the main water inlet, the clear water area is communicated with the main water outlet, the sludge adsorption area is communicated with the first sludge outlet, and the sludge sedimentation area is communicated with the second sludge outlet; the acidification zone is communicated with the sludge adsorption zone, the sludge adsorption zone is respectively communicated with the biochemical first zone and the sludge sedimentation zone, the biochemical first zone is communicated with the biochemical second zone, the biochemical second zone is communicated with the sludge sedimentation zone, and the sludge sedimentation zone is communicated with the clear water zone;
domestic sewage enters from the total water inlet, and sequentially enters the acidification area, the sludge adsorption area, the biochemical first area, the biochemical second area and the sludge sedimentation area to be treated to obtain clear water and sludge, the clear water flows into the clear water area and is discharged through the total water outlet, part of the sludge is discharged from the sludge adsorption area through the first sludge outlet, and part of the sludge is discharged from the sludge sedimentation area through the second sludge outlet.
2. The rural single-family domestic sewage treatment device according to claim 1, further comprising a fan and an aerator pipe, wherein two ends of the aerator pipe are respectively communicated with the fan and the biochemical zone II, an air outlet end of the aerator pipe is positioned at the bottom of the biochemical zone II, sewage is subjected to anoxic treatment in the biochemical zone I, aerobic treatment is performed in the biochemical zone II, and a mixed solution obtained by the aerobic treatment in the biochemical zone II flows back to the biochemical zone I through the first return pipe.
3. The rural single-family domestic sewage treatment device according to claim 1, further comprising a second return pipe having an inlet end communicated with the sludge settling zone and an outlet end communicated with the sludge adsorption zone, wherein the sludge part treated by the sludge settling zone returns to the sludge adsorption zone for adsorbing and settling suspended particles and colloids.
4. The rural single-family domestic sewage treatment device according to any one of claims 1 to 3, wherein the water flow direction of the acidification zone and the biochemical zone adopts a mode of downward inlet and upward outlet, the water flow direction of the sludge adsorption zone and the clear water zone adopts a mode of upward inlet and upward outlet, the water flow direction of the biochemical zone adopts a mode of upward inlet and downward outlet, and the water flow direction of the sludge sedimentation zone adopts a mode of middle portion downward inlet and downward outlet.
5. The rural single-family domestic sewage treatment device according to claim 1, wherein the housing comprises a top plate and a bottom plate which are oppositely arranged, and a first side wall and a second side wall which are respectively connected with the top plate and the bottom plate at two ends, and the first side wall and the second side wall are arranged in parallel and spaced.
6. The rural single-family domestic sewage treatment device according to claim 5, wherein the acidification zone is located in the middle area of the housing space, and the partition plates comprise a first partition plate, a second partition plate, a third partition plate and a fourth partition plate which enclose the acidification zone, a fifth partition plate which is used for separating the biochemical first zone from the biochemical second zone, and a sixth partition plate which is used for separating the sludge adsorption zone from the biochemical first zone, wherein:
the first partition plate and the third partition plate are arranged opposite to the top plate, the first partition plate is arranged close to the bottom plate, the third partition plate is clamped between the first partition plate and the top plate, two ends of the first partition plate are respectively connected with the second partition plate and the second side wall, and two ends of the third partition plate are respectively connected with the second partition plate and the fourth partition plate;
the second partition plate and the fourth partition plate are arranged opposite to the first side wall, the second partition plate is arranged close to the first side wall, the fourth partition plate is clamped between the second partition plate and the second side wall, and two ends of the fourth partition plate are respectively connected with the first partition plate and the top plate;
two ends of the fifth clapboard are respectively connected with the first side wall and the second clapboard;
and two ends of the sixth clapboard are respectively connected with the first clapboard and the bottom plate.
7. The rural single-family domestic sewage treatment device according to claim 6, wherein the sludge adsorption area and the first biochemical area are located below the accommodating space, wherein the sludge adsorption area is enclosed by the bottom plate, the second side wall, the first partition plate and the sixth partition plate, and the first biochemical area is enclosed by the bottom plate, the sixth partition plate, the first partition plate, the second partition plate, the fifth partition plate and the first side wall.
8. The rural area single household sewage treatment device according to claim 7, wherein the biochemical second area is located above the biochemical first area, and the biochemical second area is enclosed by the fifth partition plate, the second partition plate, the third partition plate, the fourth partition plate, the top plate and the first side wall.
9. The rural single-family domestic sewage treatment device according to claim 8, wherein the sludge settling zone and the clean water zone are located above the sludge adsorption zone, and are separated from the sludge adsorption zone by the first partition plate, wherein the sludge settling zone and the clean water zone are enclosed by the first partition plate, the second side wall, the top plate and the fourth partition plate, and the clean water zone is located on the side below the sludge settling zone away from the acidification zone.
10. The rural single-family domestic sewage treatment device according to claim 1, wherein the total water inlet is opened in the sludge settling zone and is communicated with the acidification zone through a total water inlet pipe, the total water outlet is opened in the clear water zone, the first sludge outlet is opened in the sludge adsorption zone, and the second sludge outlet is opened in the sludge settling zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221229594.XU CN217173529U (en) | 2022-05-23 | 2022-05-23 | Rural single household sewage treatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221229594.XU CN217173529U (en) | 2022-05-23 | 2022-05-23 | Rural single household sewage treatment unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217173529U true CN217173529U (en) | 2022-08-12 |
Family
ID=82713380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221229594.XU Active CN217173529U (en) | 2022-05-23 | 2022-05-23 | Rural single household sewage treatment unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217173529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115745318A (en) * | 2022-12-07 | 2023-03-07 | 中原环保股份有限公司 | Kitchen waste water treatment method based on adsorption coupling anaerobic ammonia oxidation |
-
2022
- 2022-05-23 CN CN202221229594.XU patent/CN217173529U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115745318A (en) * | 2022-12-07 | 2023-03-07 | 中原环保股份有限公司 | Kitchen waste water treatment method based on adsorption coupling anaerobic ammonia oxidation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101323494A (en) | Carwash circulating water processing system | |
| CN108178438A (en) | A kind of rural domestic sewage treatment system and purification method | |
| CN217173529U (en) | Rural single household sewage treatment unit | |
| CN209835892U (en) | Domestic sewage purification device | |
| CN209835881U (en) | Distributed household type integrated sewage treatment device suitable for rural areas | |
| CN109354336A (en) | The optimum organization system of town domestic sewage processing | |
| CN213865815U (en) | Integrated domestic sewage treatment equipment | |
| CN101885553A (en) | Fixed reproductive microorganism sewage purifying and treating method and device | |
| CN114656104B (en) | Energy-saving self-circulation A3O-MBBR sewage treatment device and method thereof | |
| CN209940749U (en) | Optimized combined system for urban domestic sewage treatment | |
| CN209835891U (en) | Domestic sewage purification device | |
| CN210394072U (en) | Intelligent integrated treatment equipment for domestic sewage in expressway service area | |
| CN211198933U (en) | Reactor for removing high ammonia nitrogen breeding wastewater | |
| CN208361986U (en) | Nitrogen and phosphorus removal bio purifies sewage treatment efficient backflow system | |
| CN112744915A (en) | Mechanical scrubbing membrane biological reaction system and method | |
| CN113292195A (en) | AnOnSewage treatment equipment | |
| CN109354335A (en) | The optimum organization technique of town domestic sewage processing | |
| CN220926516U (en) | Integrated automatic control air supply distributed MABR treatment equipment | |
| CN220317559U (en) | Integrated high-efficiency micro-power sewage treatment device | |
| CN219279635U (en) | Advanced nitrification biological fluidized bed wastewater treatment device | |
| CN213112950U (en) | Integrated treatment device for urban domestic sewage | |
| CN218435287U (en) | Sewage treatment equipment combining horizontal pipe sedimentation integrated system and efficient filtration | |
| CN219079261U (en) | Domestic sewage purifying treatment tank device | |
| KR100223543B1 (en) | Wastewater treatment device and method by multi anaerobic and aerobic method using yakurut empty bottle | |
| CN218931876U (en) | Sewage purification device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |