CN105174472B - A kind of kitchen sewage processing unit - Google Patents

A kind of kitchen sewage processing unit Download PDF

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Publication number
CN105174472B
CN105174472B CN201510595521.0A CN201510595521A CN105174472B CN 105174472 B CN105174472 B CN 105174472B CN 201510595521 A CN201510595521 A CN 201510595521A CN 105174472 B CN105174472 B CN 105174472B
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China
Prior art keywords
sewage
collecting well
reaction tank
permeable
sewage collecting
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CN105174472A (en
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庞卓
孙铁军
胡炜
阚海明
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Beijing Academy of Agriculture and Forestry Sciences
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Beijing Academy of Agriculture and Forestry Sciences
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Abstract

The present invention relates to rural sewage treatment equipment technical field, more particularly to a kind of kitchen sewage processing unit.The device includes sewage collecting well and the reaction tank set around sewage collecting well, the bottom of the sewage collecting well and sewage collecting well side wall are water-tight structure, fine sand layer, geotextiles and gravel layer are sequentially provided with the reaction tank from top to bottom, fine sand layer kind is implanted with moisture-proof herbaceous plant, and the bottom of reaction tank and reaction tank side wall are water-tight structure;And sewage collecting well side wall is provided with the first permeable hole connected with gravel layer, reaction tank side wall and it is provided with the second permeable hole positioned at the position of fine sand layer, second permeable hole is higher than the first permeable hole, extend holdup time of the kitchen sewage in reaction tank, strengthen the absorption and assimilation effect of fine sand and the herbal root system of moisture-proof to dirty water pollutant, make as far as possible more sewage that denitrification occur, reduce the nitrate nitrogen content of sewage, realize to concentrate and be effectively located in reason kitchen sewage, mitigate pollution of the kitchen sewage to environment.

Description

A kind of kitchen sewage processing unit
Technical field
The present invention relates to rural sewage treatment equipment technical field, more particularly to a kind of kitchen sewage processing unit.
Background technology
Now with the construction of Rural Tourism Development, new rural village, while life in the countryside facilitates, the discharge of kitchen sewage Amount also increases sharply, processing and decomposition of traditional mode discharged everywhere to sewage it is less efficient and oily in kitchen sewage Dirty more, discharge for a long time can be such that greasy dirt accumulates on soil surface, prevent conversion, decomposition of the soil to sewage, destroy rural area and put down The ecological environment of weighing apparatus, and the infrastructure in rural area and sewage treatment facility again not as city it is perfect, can not be real in the short time The covering of existing blow-off line, sewage is focused on so as to difficult to realize, therefore kitchen sewage is treated as agriculture at this stage In village's development the problem of urgent need to resolve.
The content of the invention
(1) technical problems to be solved
It is an object of the invention to provide a kind of high efficiency kitchen sewage processing unit suitable for rural area, can concentrate effectively Ground handles rural area kitchen sewage, to solve the problems, such as kitchen sewage exhaust emission environment everywhere.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of kitchen sewage processing unit, including:
Sewage collecting well, the bottom of the sewage collecting well and sewage collecting well side wall are water-tight structure;
Reaction tank, the reaction tank are set around the sewage collecting well, are sequentially provided with from top to bottom in the reaction tank Fine sand layer, geotextiles and gravel layer, the interior kind of the fine sand layer are implanted with moisture-proof herbaceous plant, and the bottom of the reaction tank and reaction Pond side wall is water-tight structure;
The sewage collecting well side wall is provided with the first permeable hole for being connected with the gravel layer, in the reaction tank side wall and The second permeable hole is provided with positioned at the position of the fine sand layer.
Preferably, the outside of the reaction tank is also surrounded with rough sand and infiltrates pond, and the rough sand infiltrates pond by second Permeable hole connects with the fine sand layer, and the rough sand infiltrate the bottom in pond and rough sand to infiltrate pond side wall be permeable structure.
Preferably, the opening diameter of the sewage collecting well is less than the base diameter of the sewage collecting well.
Preferably, the bottom of the sewage collecting well side wall is provided with multiple first permeable holes, and multiple described first Permeable hole is distributed around the even circumferential of the sewage collecting well side wall;
The top of the reaction tank side wall is provided with multiple second permeable holes, and multiple second permeable holes are around described The even circumferential distribution of reaction tank side wall.
Preferably, it is provided with each first permeable hole and is used to connecting the of the sewage collecting well and the gravel layer One water-permeable pipe;It is provided with each second permeable hole and is used to connecting the fine sand layer and the rough sand infiltrates the second permeable of pond Pipe.
Preferably, it is equipped with screen pack in first water-permeable pipe and the second water-permeable pipe.
Preferably, the bottom of the sewage collecting well, the sewage collecting well side wall, the bottom of the reaction tank and described Reaction tank side wall is fluid-tight brick wall concrete structure.
Preferably, the rough sand infiltrates pond and infiltrates Chi Gai provided with rough sand.
Preferably, the sewage collecting well is provided with well lid.
(3) beneficial effect
The above-mentioned technical proposal of the present invention has the following advantages that:Kitchen sewage processing unit provided by the invention, including dirt Water collects well and the reaction tank set around sewage collecting well, and the bottom of the sewage collecting well and sewage collecting well side wall are Water-tight structure, fine sand layer, geotextiles and gravel layer are sequentially provided with the reaction tank from top to bottom, is planted in the fine sand layer There is moisture-proof herbaceous plant, and the bottom of the reaction tank and reaction tank side wall are water-tight structure;And the sewage collecting well Side wall is provided with provided with the first permeable hole connected with the gravel layer, the reaction tank side wall and positioned at the position of the fine sand layer Second permeable hole, the second permeable hole are higher than the first permeable hole, extend holdup time of the kitchen sewage in reaction tank, strengthen fine sand With absorption of the herbal root system of moisture-proof to dirty water pollutant and assimilation effect, make as far as possible more sewage that denitrification occur and make With the nitrate nitrogen content of reduction sewage, realizes that concentration is effectively located in reason kitchen sewage to greatest extent, mitigates kitchen sewage to soil The pollution of earth environment destroys.
Brief description of the drawings
Fig. 1 is kitchen sewage processing unit schematic top plan view of the embodiment of the present invention;
Fig. 2 is Fig. 1 A-A schematic cross-sectional views.
In figure:1:Sewage collecting well;11:Sewage collecting well side wall;2:Reaction tank;21:Fine sand layer;22:Gravel layer;23: Moisture-proof herbaceous plant;24:Reaction tank side wall;25:Geotextiles;3:First water-permeable pipe;4:Second water-permeable pipe;5:Rough sand infiltrates pond; 51:Rough sand infiltrates pond side wall;52:Rough sand infiltrates Chi Gai.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is The part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right The limitation of the present invention.
In addition, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or implying phase To importance.
As depicted in figs. 1 and 2, kitchen sewage processing unit provided in an embodiment of the present invention, including sewage collecting well 1 and ring The reaction tank 2 set around sewage collecting well 1, sewage collecting well 1 are directly directly to be discharged in the circle well of ground excavation, kitchen sewage Into sewage collecting well 1, wherein, the bottom of sewage collecting well 1 and sewage collecting well side wall 11 are water-tight structure, prevent dirt Water is directly penetrated into soil, is set the first permeable hole in sewage collecting well side wall 11, sewage is discharged into gravel by fixed route Rock layers 22;Fine sand layer 21, geotextiles 25 and gravel layer 22 are set gradually in reaction tank 2 from top to bottom, is wherein planted in fine sand layer 21 Moisture-proof herbaceous plant 23 is implanted with, for handling the kitchen sewage entered from sewage collecting well 1, and the bottom of reaction tank 2 and reaction Pond side wall 24 is water-tight structure, and sets the second permeable hole in reaction tank side wall 24 and positioned at the position of fine sand layer 21, Second permeable hole is higher than the first permeable hole, extends holdup time of the kitchen sewage in reaction tank 2, so as to strengthen the He of fine sand layer 21 Absorption and assimilation effect of the root system of moisture-proof herbaceous plant 23 to dirty water pollutant, make as far as possible more sewage that denitrification occur and make With the nitrate nitrogen content of reduction sewage, mitigates pollution of the kitchen sewage to soil environment and destroy, by reaction tank to greatest extent Kitchen sewage after processing is discharged into the soil in outside or other devices from the second permeable hole.
Wherein, geotextiles 25 are arranged between fine sand layer 21 and gravel layer 22, prevent fine sand to be flowed into gravel layer 22, and Passing through for kitchen sewage is not influenceed.
Preferably, moisture-proof herbaceous plant 23 is from local perennial indigenous plant kind.
In order to before sewage discharge to soil, further improve the effect to purify water, it is preferable that such as Fig. 1 and Fig. 2 It is shown, set rough sand to infiltrate pond 5 in wrapping around for reaction tank 2, it is rough sand that the rough sand, which infiltrates filler in pond 5, and its inner side is close to Reaction tank side wall 24, and connected by the second permeable hole with fine sand layer 21, rough sand infiltrates the bottom in pond 5 and rough sand infiltrates pond side wall 51 be permeable structure, and the rough sand that can be infiltrated rough sand in pond 5 separates with outside soil, and do not prevent water by being used for Kitchen sewage after rough sand is filtered is discharged to soil.
Preferably, rough sand infiltrate the bottom in pond 5 and rough sand to infiltrate pond side wall 51 be water permeable membrane or permeable brick wall structure.
In order to prevent people or thing from falling into sewage collecting well 1 by mistake, and reduce the vaporization loss amount of kitchen sewage, it is preferable that As shown in Fig. 2 the opening diameter of sewage collecting well 1 is less than the base diameter of the sewage collecting well 1.
In order to increase the discharge capacity of kitchen sewage, the treatment effeciency of kitchen sewage is improved, it is preferable that as shown in Fig. 2 sewage The bottom for collecting well side wall 11 is provided with multiple first permeable holes, and multiple first permeable holes are around the circumference of sewage collecting well side wall 11 It is uniformly distributed;Multiple second permeable holes are set on the top of reaction tank side wall 24, and multiple second permeable holes are around reaction tank side wall 24 even circumferential distribution.
In order to improve osmotic efficiency when kitchen sewage enters next region, it is preferable that as shown in Fig. 2 saturating first First water-permeable pipe 3 and the second water-permeable pipe 4 are set respectively in water hole and the second permeable hole, are directly discharged into kitchen sewage next The depths in region, facilitate the diffusion of water.For example, the first water-permeable pipe 3 passes through from the first permeable hole, directly go deep into the depth of gravel layer 22 Place, water spread to surrounding again from the depths of gravel layer, the osmotic efficiency of kitchen sewage are improved, so as to improve the place of kitchen sewage Manage efficiency.
In order to prevent filler from being flowed with kitchen sewage, and block the first water-permeable pipe 3 and the second water-permeable pipe 4, it is preferable that Screen pack (not shown) is respectively provided with the first water-permeable pipe 3 and the second water-permeable pipe 4, prevents filler from being flowed into kitchen sewage In first water-permeable pipe 3 and the second water-permeable pipe 4, prevent the first water-permeable pipe 3 and the second water-permeable pipe 4 from blocking.
Preferably, screen pack is mounted at the first water-permeable pipe 3 and the second water-permeable pipe 4, facilitates periodic cleaning and more Change.
In order to which the rough sand excessively loss or the raw sewerage that prevent rough sand from infiltrating in pond 5 flow directly into rough sand and infiltrate pond 5, it is preferable that as depicted in figs. 1 and 2, the openend that pond 5 is infiltrated in rough sand sets rough sand to infiltrate Chi Gai, prevents that rainwater or wind will Rough sand is taken away, and prevents raw sewerage from polluting or blocks rough sand, in use for some time, replaceable rough sand, to keep The filter efficiency of rough sand.
In order to further prevent people or thing from falling into sewage collecting well 1 by mistake, and the vaporization loss amount of kitchen sewage is reduced, and Prevent the smell of kitchen sewage from shedding, it is preferable that to be provided with well lid (not shown) on the sewage collecting well 1.
It should be noted that the size of reaction tank 2 and planting density, the first permeable hole and second of moisture-proof herbaceous plant 23 The quantity of permeable hole, set with specific reference to the size of sewage collecting well 1.
In the present embodiment, sewage collecting well 1 is that depth is 150-200cm, a diameter of 60-100cm in openend, base diameter For more than 120cm, and in the bottom of sewage collecting well side wall 11, four pieces the are set along the even circumferential of sewage collecting well side wall 11 One water-permeable pipe 3;On the top of reaction tank side wall 24, and along the even circumferential of reaction tank side wall 24, four second water-permeable pipes 4 are set, Wherein, the caliber of the first water-permeable pipe 3 and the second water-permeable pipe 4 is 8-12cm, and the first water-permeable pipe 3 arrives the bottom of sewage collecting well 1 Distance be 15-20cm, prevent mud from blocking the first water-permeable pipe, the second water-permeable pipe 4 to the distance of the upper surface of reaction tank 2 is 30- 50cm, when the water level of kitchen sewage is higher than the second water-permeable pipe 4, treated kitchen sewage can just enter thick from the second water-permeable pipe 4 Sand infiltrates pond 5.
In use, sewage collecting well 1 is arranged near kitchen, kitchen sewage is directly discharged into sewage collecting by sewage conduct In well 1, when the water level of kitchen sewage reaches the first water-permeable pipe 3, kitchen sewage will enter gravel layer by the first water-permeable pipe 3 22, kitchen sewage is by first filtering in gravel layer 22, and after water level is higher than geotextiles 25, a part of kitchen sewage can be by moisture-proof Property the flourishing Root Absorption of herbaceous plant 23, with the further raising of water level, moisture-proof herbaceous plant 23 absorbs the meal of processing Kitchen sewage quantity also can synchronously increase, and also constantly (anoxic zone maximum magnitude is saturating in reaction tank second for increase simultaneously for anoxic zone Water pipe is to the region between the first water-permeable pipe), before full water is not store in anoxic zone (before i.e. water level is not up to the second water-permeable pipe), Kitchen sewage will not discharge from reaction tank 2, enable kitchen sewage that denitrification to occur for a long time, reduce to greatest extent Nitrate nitrogen content in kitchen sewage.After water level is more than the second water-permeable pipe 4, treated kitchen sewage can be gradually discharged into Rough sand infiltrates pond 5, after being filtered by rough sand, is flowed into soil.It is processed as, it is possible to reduce 32-65% in kitchen sewage The phosphorus of nitrogen and 65-79%, and the heavy metal in kitchen sewage, cause of disease bacteria concentration are reduced, so as to lift water quality.
It should be noted that the rough sand that fine sand layer, gravel layer and rough sand are infiltrated in pond can be periodically or according to reality Situation is changed.
In summary, kitchen sewage processing unit provided by the invention, including sewage collecting well and circular sewage collecting well The reaction tank of setting, fine sand layer, geotextiles and gravel layer are set gradually from top to bottom in reaction tank, kind is implanted with resistance in fine sand layer The bottom of wet herbaceous plant, sewage collecting well side wall and sewage collecting well uses water-tight structure, prevents sewage from directly penetrating into Into soil, and the first permeable hole only is set in sewage collecting well side wall, sewage is discharged into gravel layer by fixed route;Reaction The bottom in pond and reaction tank side wall use water-tight structure, and only in reaction tank side wall and positioned at the position of the fine sand layer Second permeable hole is set, the kitchen sewage after processing can be discharged from the second permeable hole, the second permeable hole is permeable higher than first Hole, extend holdup time of the sewage in reaction tank, strengthen fine sand and the herbal root system of moisture-proof to dirty water pollutant Absorption and assimilation effect, make as far as possible more sewage that denitrification occur, reduce the nitrate nitrogen content of sewage to greatest extent, it is real Now concentrate and be effectively located in reason kitchen sewage, mitigate pollution of the kitchen sewage to soil environment and destroy.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that:It still may be used To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic; And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and Scope.

Claims (8)

  1. A kind of 1. kitchen sewage processing unit, it is characterised in that including:
    Sewage collecting well, the bottom of the sewage collecting well and sewage collecting well side wall are water-tight structure;
    Reaction tank, the reaction tank are set around the sewage collecting well, and fine sand is sequentially provided with from top to bottom in the reaction tank Layer, geotextiles and gravel layer, the interior kind of the fine sand layer are implanted with moisture-proof herbaceous plant, and the bottom of the reaction tank and reaction tank side Wall is water-tight structure;
    The sewage collecting well side wall is provided with the first permeable hole for being connected with the gravel layer, in the reaction tank side wall and is located at The position of the fine sand layer is provided with the second permeable hole;
    The outside of reaction tank is also surrounded with rough sand and infiltrates pond, and the rough sand infiltrates pond and passes through the second permeable hole and the fine sand Layer connection, and the rough sand infiltrate the bottom in pond and rough sand to infiltrate pond side wall be permeable structure.
  2. 2. kitchen sewage processing unit according to claim 1, it is characterised in that:The opening diameter of the sewage collecting well Less than the base diameter of the sewage collecting well.
  3. 3. kitchen sewage processing unit according to claim 1, it is characterised in that:The bottom of the sewage collecting well side wall Provided with multiple first permeable holes, and multiple first permeable holes are around the even circumferential point of the sewage collecting well side wall Cloth;
    The top of the reaction tank side wall is provided with multiple second permeable holes, and multiple second permeable holes are around the reaction The even circumferential distribution of pond side wall.
  4. 4. kitchen sewage processing unit according to claim 3, it is characterised in that:It is provided with each first permeable hole For connecting the first water-permeable pipe of the sewage collecting well and the gravel layer;It is provided with each second permeable hole and is used to connect Connect the fine sand layer and the rough sand infiltrates second water-permeable pipe in pond.
  5. 5. kitchen sewage processing unit according to claim 4, it is characterised in that:First water-permeable pipe and second permeable Screen pack is equipped with pipe.
  6. 6. kitchen sewage processing unit according to claim 1, it is characterised in that:The bottom of the sewage collecting well, institute It is fluid-tight brick wall concrete structure to state sewage collecting well side wall, the bottom of the reaction tank and the reaction tank side wall.
  7. 7. kitchen sewage processing unit according to claim 1, it is characterised in that:The rough sand infiltrates pond and is provided with rough sand Infiltrate Chi Gai.
  8. 8. according to the kitchen sewage processing unit described in claim any one of 1-7, it is characterised in that:On the sewage collecting well Provided with well lid.
CN201510595521.0A 2015-09-17 2015-09-17 A kind of kitchen sewage processing unit Active CN105174472B (en)

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Publication number Priority date Publication date Assignee Title
CN107082500B (en) * 2017-04-14 2020-01-17 安徽省华鑫铅业集团有限公司 Lead-containing reclaimed water self-purification recycling system without external discharge
CN109231485A (en) * 2018-09-30 2019-01-18 广东中林建筑园林工程有限公司 Domestic sewage processing system
CN109761377A (en) * 2019-03-27 2019-05-17 北京工业大学 A kind of back water well formula country sewage bleeds back processing device and method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204400707U (en) * 2015-01-26 2015-06-17 绿地环保科技股份有限公司 Small-sized peasant household formula artificial marsh sewage treatment system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29705686U1 (en) * 1997-03-29 1997-05-28 Boettcher Joachim Biological vertical-horizontal filter system for the purification of waste water
CN102233203A (en) * 2010-04-21 2011-11-09 3M新设资产公司 Fluid filter and filter element thereof
CN102887590A (en) * 2012-11-09 2013-01-23 四川四通欧美环境工程有限公司 Grading root zone sewage treatment ecological constructed wetland system
CN205088005U (en) * 2015-09-17 2016-03-16 北京市农林科学院 Meal kitchen sewage treatment plant

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204400707U (en) * 2015-01-26 2015-06-17 绿地环保科技股份有限公司 Small-sized peasant household formula artificial marsh sewage treatment system

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