CN217437972U

CN217437972U - Buried rural domestic sewage ecological rapid-infiltration purification device

Info

Publication number: CN217437972U
Application number: CN202220052881.1U
Authority: CN
Inventors: 孙甲玉; 李妮; 李晓晨; 王琪; 徐丽梅
Original assignee: Shandong Agricultural University
Current assignee: Shandong Agricultural University
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-09-16
Anticipated expiration: 2032-01-11

Abstract

The utility model relates to a bury ecological purifier that oozes soon of rural domestic sewage, including cell body, setting up the first casing in the cell body and set up the second casing in first casing, be provided with the filter screen in the second casing, it has the biofilm carrier to fill between second casing and the first casing, is provided with the filter material packing layer between first casing and the cell body lateral wall, is equipped with the hole of permeating water on the lateral wall of cell body lateral wall, first casing and the lateral wall of second casing respectively. The utility model discloses a second casing that sets up can play the regulating action undulant to the water yield as the sedimentation tank of intaking to interception, the precipitation through the hand-basket get rid of debris and suspended solid, the hole of permeating water can make sewage evenly distributed, increases reaction area of contact, and sewage is through the capillary migration of filler, multiplicable reaction time, and the contact of full play packing layer filter material is condensed, is held back, effect such as deposit, nitrogen, phosphorus and organic matter in a series of biochemical reaction degradation domestic sewage.

Description

Buried rural domestic sewage ecological rapid-infiltration purification device

Technical Field

The utility model relates to a sewage treatment technical field especially involves a bury rural domestic sewage ecology and ooze purifier soon.

Background

The ecological fast infiltration purifier is one small unpowered domestic sewage treating apparatus for treating dispersed domestic sewage and similar domestic sewage. The toilet revolution is completed in partial areas, rural sewage is classified from the source, and the method is suitable for treating rural domestic sewage in a simple treatment mode by aiming at the characteristics that the source and the components of the rural domestic sewage are single, organic matters, nitrogen and phosphorus are used as main pollutants, toxic substances are not contained generally, and the overall biochemical property is good. However, the existing treatment process generally has the defects of complex flow, high capital construction cost, large occupied area, need of special personnel for later maintenance and the like, and is not suitable for being widely popularized and used in rural areas where farmers live dispersedly.

Disclosure of Invention

The utility model discloses to prior art's deficiency, provide a bury formula rural domestic sewage ecology and ooze purifier soon, purification process is simple effective, the capital construction expense is supported, area is little, and the later stage need not maintain, has solved china and has changed the purification standard-reaching treatment of lavatory peasant household to the simple domestic sewage of composition, satisfies and impels rural domestic sewage to administer, mends whole rural human residence environment short slab for the demand of the beautiful rural village that is suitable for of construction.

The utility model discloses a through following technical scheme realizes, provide a bury formula rural domestic sewage ecology and ooze purifier soon, including cell body, setting up the first casing in the cell body and set up the second casing in first casing, be provided with the filter screen in the second casing, it has the biofilm carrier to fill between second casing and the first casing, is provided with the filter material packing layer between first casing and the cell body lateral wall, is equipped with the hole of permeating water on the lateral wall of cell body lateral wall, first casing and the lateral wall of second casing respectively.

The second shell, the first shell and the tank body adopt nested structures, the structure is simple, the manufacture is convenient, when the device is used, domestic sewage is led into the second shell, the second shell is used as a water inlet sedimentation tank, the regulation effect on water quantity fluctuation can be achieved, impurities and suspended matters are intercepted and removed through the filter screen, and primary purification is achieved; the sewage after the first-stage purification enters the biological filler through the water permeable holes on the second shell, and the sewage is diffused outwards by utilizing the capillary action of the biological filler, and meanwhile, the second-stage biological purification is completed; the sewage after the second-stage purification enters the filter material packing layer through the water permeable holes of the first shell, and the water body is diffused by utilizing the capillary action of the filter material packing layer, so that the three-stage purification of the sewage is completed, and the sewage treatment is realized.

As optimization, the bottom of the groove body is provided with an impermeable layer, and the first shell and the second shell are both arranged above the impermeable layer. According to the optimization scheme, the impermeable layer is arranged, so that sewage is prevented from permeating downwards, and the pollution to underground water is avoided.

As optimization, biological filler is filled between the bottom plate of the second shell and the bottom plate of the first shell, water permeable holes are also formed in the bottom plate of the first shell and the bottom plate of the second shell, and a filter material filler layer is also arranged between the bottom plate of the second shell and the bottom of the tank body. The setting of this optimization scheme makes sewage still the downward diffusion when controlling the diffusion, has increased reaction area of contact, has improved sewage treatment efficiency.

As optimization, an anti-corrosion gauze is arranged between the water permeable holes and the filler. This optimization scheme is through setting up anticorrosive gauze, prevents effectively that the filler from blockking up the hole of permeating water.

Preferably, the filler of the filter material filler layer comprises one or more of ceramsite, volcanic rock, activated carbon, quartz sand and soil, and the particle size of the filler is reduced from inside to outside in sequence. The filler of the optimized scheme has low use cost, good dirt intercepting effect and convenient microorganism attachment.

As optimization, the filter screen is a lifting basket, a movable top cover is arranged at the top of the second shell, and a water inlet pipe is arranged on the movable top cover in a penetrating mode. This optimization scheme is through setting up movable top cap, can avoid domestic sewage's smell to pollute the surrounding environment, has also made things convenient for the clearance to the hand-basket, sets up the filter screen into the hand-basket, conveniently takes out.

As optimization, a water quality observation well extending vertically is arranged in the filter material packing layer, and water permeable holes are formed in the side wall of the water quality observation well. Through the arrangement of the optimization scheme, the treated water body enters the water quality observation well, and the water quality is conveniently observed.

As optimization, the cross sections of the groove body, the first shell and the second shell are all circular, and the groove body, the first shell and the second shell are coaxially arranged. The setting of this optimization scheme makes the horizontal treatment length of sewage more even, has improved the treatment effect to sewage.

The utility model has the advantages that: through the second casing that sets up as the sedimentation tank of intaking, can play the regulating action undulant to the water yield, and the interception through the hand-basket, debris and suspended solid are got rid of to the precipitation, the hole of permeating water can make sewage evenly distributed, increase reaction area of contact, sewage is through the capillary action migration of filler, multiplicable reaction time, the contact of full play packing layer filter material is coagulated, hold back, effect such as deposit, can automatic adhesion functional microorganism on the operation back filler through a period, nitrogen in the degradation domestic sewage through a series of biochemical reaction, phosphorus and organic matter.

Drawings

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

fig. 2 is a top view of the present invention;

shown in the figure:

1. the water quality monitoring device comprises a water inlet pipe, 2, a second shell, 3, a filter screen, 4, a movable top cover, 5, biological fillers, 6, a filter material filler layer, 7, a water quality observation well and 8 and an impermeable layer.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

As shown in fig. 1 and 2, a buried rural domestic sewage ecological rapid infiltration purification device comprises a tank body, a first shell arranged in the tank body and a second shell 2 arranged in the first shell, wherein the cross sections of the tank body, the first shell and the second shell are circular, the tank body, the first shell and the second shell are coaxially arranged, the first shell and the second shell are both cylindrical and are provided with a bottom plate, and the tank body of the embodiment is a buried structure formed by digging pits arranged under the ground. Of course, the tank body can be set as an external shell according to the requirement, the whole device is placed into the water storage container, and the treated sewage enters the water storage container for storage.

Be provided with filter screen 3 in the second casing, for convenient clearance, the filter screen of this embodiment is the detachable hand-basket, and the lateral wall of hand-basket and the inner wall laminating of second casing, the bottom sprag of hand-basket are on the bottom plate of second casing. But the top of second casing is equipped with the activity top cap 4 of switch, wears to establish inlet tube 1 on the activity top cap 4, and domestic sewage gets through to the hand-basket in by the inlet tube, gets rid of debris and suspended solid through interception, precipitation to the clearance is taken out to the hand-basket to the convenience is regularly.

The second casing of this embodiment is as the sedimentation tank that intakes, it has biofilm carrier 5 to fill between second casing and the first casing, is provided with filter material packing layer 6 between first casing and the cell body lateral wall, and the sedimentation tank that intakes forms one-level filter unit with the hand-basket, and biofilm carrier 5 forms the ecological purification unit of second grade, and filter material packing layer 6 forms tertiary intensive processing unit, and intake sedimentation tank, the ecological purification unit of second grade and the mutual nested constitution of tertiary intensive processing unit are removable, make things convenient for the filler to tedge and regenerate. The filler of the filler material layer of the filter material comprises one or more of ceramsite, volcanic rock, activated carbon, quartz sand and soil, the particle size of the filler is sequentially reduced from inside to outside, and the filler is formed by combining according to particle grading. The side wall of the tank body, the side wall of the first shell and the side wall of the second shell are respectively and uniformly provided with a water permeable hole, an anti-corrosion gauze is arranged between the water permeable hole and the filler, the water permeable hole is effectively prevented from being blocked by the filler, the water inlet sedimentation tank and the second-stage ecological purification unit are communicated through holes in the second shell, and the second-stage ecological purification unit and the third-stage strengthening treatment unit are communicated through holes in the first shell. Through evenly set up the hole of permeating water on each grade processing unit lateral wall, make sewage evenly distributed, increase reaction area of contact.

The bottom of the tank body is provided with an impermeable layer 8, and the first shell and the second shell are both arranged above the impermeable layer to avoid downward permeation of sewage and ensure that underground water is not polluted by sewage.

In order to improve the purification treatment efficiency, biological filler is also filled between the bottom plate of the second shell and the bottom plate of the first shell, permeable holes are also uniformly formed in the bottom plate of the first shell and the bottom plate of the second shell, and a filter material filling layer is also arranged between the bottom plate of the second shell and the bottom of the tank body.

Specifically, the secondary ecological purification unit is filled with biological filler, the biological filler layer is made of high-quality ethylene-propylene copolymer material, and is not degraded after being soaked in wastewater for a long time, does not have toxic action on microorganisms, has a high specific surface area, can be attached with more organisms in a unit volume, and can achieve a good treatment effect even if the hydraulic retention time is short. The filler is of a hollow structure, anaerobic bacteria grow in the filler, and denitrification can be performed to remove nitrogen; aerobic bacteria grow outside to remove organic matters, and nitrification and denitrification processes exist simultaneously in the whole treatment process.

The ceramsite filter material has round and uniform particles, rough surface, multiple micropores, developed internal pores and large specific surface area, so that the biological bacteria has strong attachment capacity, rapid propagation and high film forming efficiency, and the ammonia nitrogen removal effect under the low-temperature and low-turbidity conditions reaches the domestic advanced level; the pile-up specific gravity is light, the intensity is large, so the back washing energy consumption is low, and the head loss is small; the dirt intercepting capability is strong; stable chemical performance, strong acid and alkali resistance and long service life.

The volcanic rock has the advantages of multiple pores, light weight, high strength, sound absorption, fire prevention, acid and alkali resistance, corrosion resistance, no pollution, no radioactivity and the like, and is an ideal natural green, environment-friendly and energy-saving raw material. The volcanic rock is in a shape of non-sharp particles, has small resistance to water flow, is not easy to block, and has uniform water distribution and gas distribution; the surface is rough, the honeycomb is porous, the surface has positive charges, the biofilm formation speed is high, the microbial biofilm is not easy to fall off when the honeycomb is repeatedly washed, the honeycomb is an optimal growth environment for the zoogloea, and the mass transfer process of oxygen, nutrient substances and waste generated by metabolism in the microbial metabolism process is facilitated; the mechanical strength is high, the practice proves that the filter material can resist the hydraulic shearing action with different strengths, and the service life is far longer than that of other filter materials; the density is moderate, the material is easy to suspend and not run out during back washing, and the energy can be saved and the consumption can be reduced; the volcanic biological filter material is corrosion resistant, has inertia, and does not participate in biochemical reaction of a biological membrane in the environment.

The porous structure of the activated carbon provides a large amount of surface area, so that the purpose of absorbing and enriching impurities can be easily achieved, and a large amount of molecules on the wall of the activated carbon hole can generate strong attraction, so that the purpose of absorbing impurities in a medium into the hole is achieved. The activated carbon contains not only carbon but also a small amount of oxygen and hydrogen in the form of chemically bonded, functional groups such as carboxyl groups, hydroxyl groups, phenols, lactones, quinones, ethers, etc. on the surface thereof, and these oxides or complexes contained on the surface can chemically react with the adsorbed substance to be bonded to the adsorbed substance and accumulated on the surface of the activated carbon. The adsorption of activated carbon is a result of a combination of the two adsorption processes.

When the quartz sand is used as a filter filler, the filter material has the advantages of small filter resistance, large specific surface area, strong acid and alkali resistance, good pollution resistance and the like, and when impurity particles are larger than gaps of the quartz sand or larger than gaps among deposited suspended particles, the particles are intercepted; on the other hand, the surface of the quartz sand is negatively charged, particles with positive charges can be adsorbed to form a film with positive charges, and colloids with negative charges can be adsorbed by the film and gathered on the surface of the sand grains.

Be equipped with in the filter material packing layer along vertical extension's quality of water observation well 7, quality of water observation well 7 is equipped with the hole of permeating water on the lateral wall of quality of water observation well along vertical extension to the bottom barrier from the cell body top, and quality of water observation well top is equipped with but the switch top cap, and the lateral wall is equipped with a plurality of holes of permeating water, and the water of having handled can get into observation well, realizes that quality of water observes in real time.

The utility model discloses a sedimentation tank of intaking that sets up can play the regulating action undulant to the water yield, and through the interception, debris and suspended solid are got rid of to the precipitation, the hole of permeating water can make sewage evenly distributed, increase reaction area of contact, the contact of full play packing layer filter material is condensed, hold back, effect such as sediment, after a period of operation, the filter material surface can form the one deck naturally and be by good oxygen bacterium, the stable biomembrane that constitutes such as facultative bacteria and anaerobe, by the organic matter of intercepting, nitrogen, pollutant such as phosphorus is by the quick degradation of the high concentration microorganism that is attached to the surface of packing, remaining pollutant gets into tertiary purification unit and back in the soil on every side, can be utilized by the microorganism that is attached to on packing, thereby obtain further improvement quality of water.

When the device is used, domestic sewage enters the water inlet sedimentation tank, the basket is arranged in the water inlet sedimentation tank, impurities and suspended matters are removed through interception and sedimentation, then the sewage is conveyed to the second-stage ecological purification unit through the water permeable holes at the periphery of the water inlet sedimentation tank, moves to the left, right and below through the capillary action of the packing layers at all levels, is conveyed to the third-stage strengthening treatment unit through the water permeable holes at the periphery of the second-stage ecological purification unit, and moves to the left, right and below through the capillary action of the packing layers at all levels, so that sewage treatment is realized.

Of course, the above description is not limited to the above examples, and the technical features of the present invention that are not described in the present application can be implemented by or using the prior art, which is not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims

1. The utility model provides a bury rural domestic sewage ecology of formula and ooze purifier soon which characterized in that: the biological filter comprises a tank body, a first shell arranged in the tank body and a second shell (2) arranged in the first shell, wherein a filter screen (3) is arranged in the second shell, biological filler (5) is filled between the second shell and the first shell, a filter material filler layer (6) is arranged between the first shell and the side wall of the tank body, and water permeable holes are respectively formed in the side wall of the tank body, the side wall of the first shell and the side wall of the second shell.

2. The ecological quick-seepage purification device of buried rural domestic sewage according to claim 1, characterized in that: the bottom of the groove body is provided with an impermeable layer (8), and the first shell and the second shell are both arranged above the impermeable layer.

3. The buried rural domestic sewage ecological rapid infiltration purification device according to claim 2, characterized in that: biological filler is filled between the bottom plate of the second shell and the bottom plate of the first shell, water permeable holes are also formed in the bottom plate of the first shell and the bottom plate of the second shell, and a filter material filler layer is also arranged between the bottom plate of the second shell and the bottom of the tank body.

4. The ecological quick-seepage purification device of buried rural domestic sewage according to claim 3, characterized in that: an anti-corrosion gauze is arranged between the water permeable holes and the filler.

5. The ecological quick-seepage purification device of buried rural domestic sewage according to claim 1, characterized in that: the filter screen is the hand-basket, and the top of second casing is equipped with movable top cap (4), wears to establish inlet tube (1) on movable top cap (4).

6. The ecological quick-seepage purification device of buried rural domestic sewage according to claim 1, characterized in that: a water quality observation well (7) extending vertically is arranged in the filter material packing layer, and a water permeable hole is arranged on the side wall of the water quality observation well.

7. The ecological quick-seepage purification device of buried rural domestic sewage according to claim 1, characterized in that: the cross sections of the groove body, the first shell and the second shell are circular, and the groove body, the first shell and the second shell are coaxially arranged.