CN2585857Y - Sewage treatment plant - Google Patents

Sewage treatment plant Download PDF

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Publication number
CN2585857Y
CN2585857Y CN 02293280 CN02293280U CN2585857Y CN 2585857 Y CN2585857 Y CN 2585857Y CN 02293280 CN02293280 CN 02293280 CN 02293280 U CN02293280 U CN 02293280U CN 2585857 Y CN2585857 Y CN 2585857Y
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CN
China
Prior art keywords
filter
layer
water
tank
biological
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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.)
Expired - Fee Related
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CN 02293280
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Chinese (zh)
Inventor
汪高社
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汪高社
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Priority to CN 02293280 priority Critical patent/CN2585857Y/en
Application granted granted Critical
Publication of CN2585857Y publication Critical patent/CN2585857Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a sewage treatment device which is composed of an anaerobic digestion tank, a biological filtering tank and an aerobic digestion tank, wherein the biological filtering tank passes through a material filtering layer from bottom to top, a water inlet and a water outlet of each filtering tank are arranged above the material filtering layer, and a vent hole is arranged above the material filtering layer. Thus, a hollow cavity at the upper part of the biological filtering tank is rich in oxygen, and is suitable for the growth of various microorganisms, such as anaerobic bacteria, aerobic bacteria, facultative anaerobic bacteria, etc., and the sewage treatment device has good treatment effect of organic substances in sewage. A water blocking bank is additionally arranged in the aerobic digestion tank, so the utility model can increase oxygen dissolving volume, enhance oxygen dissolving effect, and nicely remove the organic substances.

Description

A kind of waste disposal plant
Technical field
The utility model relates to a kind of waste disposal plant that is used for the domestic organic sewage disposal.
Background technology
Chinese patent ZL00220184.4 discloses a kind of waste disposal plant, form by anaerobic digester, anaerobic biofilter and aerobic ditch, anaerobic biofilter is in series by a plurality of filter tanks, filter material layer is equipped with at the middle part in each filter tank, the intake-outlet in each filter tank is located at the top of filter material layer, the water inlet pipe that communicates with the filter material layer below is housed on the water-in, will be incorporated into the filter material layer below, form the upper reaches water outlet from the sewage of anaerobic digester or upper level biological filter; The height of filter tanks at different levels water outlet reduces successively; Arranged transversely water guide weir in the oxidation ditch to increase the time of flow, reacts fully; Aerobic ditch top is provided with wind turning pipe and air inlet well.The advantage of this sewage device is not need power to send water, and treatment capacity is bigger; Shortcoming is that the ammonia nitrogen treatment effect is bad, and sewage has tangible foul smell flavor after treatment.
Summary of the invention
At the problem that said apparatus exists, the utility model provides a kind of waste disposal plant, and is good to the ammonia nitrogen treatment effect, can remove stink effectively.
The utility model is achieved in that it is made up of anaerobic digester, biological filter and aerobic oxidation pond, the biological filter is in series by a plurality of filter tanks, filter material layer is equipped with at the middle part in each filter tank, the intake-outlet in each filter tank is located at the top of filter material layer, the water inlet pipe that communicates with the filter material layer below is housed on the water-in, to be incorporated into the filter material layer below from the sewage of anaerobic digester or upper level biological filter, form the upper reaches water outlet; The filter material layer top of biological filter has ventilating pit, by vapor pipe and environmental communication.Because the upper cavity of biological filter communicates with outside atmosphere, thereby is rich in oxygen, the filter material layer top in filter tank helps the aerobe growth and forms the aerobe filtrating area; The sewage in first step filter tank comes from anaerobic digester, and the anaerobe filtrating area is formed at the filter material layer bottom; And the sewage in the inflow next stage filter tank is owing to be dissolved with a part of oxygen on top, previous stage filter tank, make that the bottom and the top of filter material layer in filter tank, the second stage is the aerobic layer, and the middle part forms layer of oxygen deficient, aerobic bacteria both can grow, the growth that is suitable for amphimicrobion and Anaerobic Bacteria is arranged again, be particularly suitable for the growth of denitrifying bacterium quasi-microorganism, can remove ammonia nitrogen and phosphorus in the sewage preferably, effectively remove stink.
Described aerobic oxidation pond is provided with horizontal weir in being, in order to improve the dissolved oxygen effect, remove organism better, remove peculiar smell, on the breach of the flowing water that weir is used for, be provided with water-blocking bank, current are flow through from water-blocking bank, the height of each water-blocking bank reduces successively along water (flow) direction, form water drop between the weir before and after making, current form turbulent flow when water-blocking bank flows through, can increase the dissolved oxygen in the water better; All the time store certain water storage but also make between each weir of oxidation pond, can prevent because cutout causes the death of microorganism in the oxidation pond.
Because biological filter of the present utility model is fit to multiple microorganism growth such as anaerobism, aerobic and facultative anaerobic bacteria, ammonia nitrogen in the sewage and organism treatment effect are good, in aerobic ditch, set up water-blocking bank and can increase dissolved oxygen amount, improve the dissolved oxygen effect, remove phosphorus and organism better, can remove stink preferably.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the cross-sectional view of anaerobic digester and biological filter.
Fig. 3 is along A-A line sectional view among Fig. 1.
Embodiment
By shown in Figure 1, the utility model is made up of a plurality of anaerobic digesters [2], a plurality of biological filter [4] and aerobic oxidation pond [5], present embodiment adopts two anaerobic digesters to connect successively with two biological filters, sewage such as life flow into inspection chamber [7] by pump well [1] after anaerobic digester [2], biological filter [4] and aerobic oxidation pond [5] are handled, discharged by inspection chamber [7] at last.There is filter material layer [13] at the middle part in each filter tank [4], filtrate is selected the porous zeolite particle through cleanup acid treatment for use, as shown in Figure 2, the intake-outlet in each filter tank is located at the top of filter material layer [13], the water inlet pipe that communicates with the filter material layer below is housed on the water-in, this water inlet pipe is made up of transverse tube [8] and vertical tube [10], vertical tube [10] is positioned at [4] center, filter tank and passes filter material layer [13] to the bottom, filter tank, vertical tube [10] is both ends open up and down, transverse tube [8] one ends communicate with water-in, the other end links to each other with vertical tube [10] sidewall, to be incorporated into filter material layer [13] below from the sewage of anaerobic digester [2] or upper level biological filter [4], sewage passes filter material layer from bottom to top and forms the upper reaches water outlet; Vertical tube top opening, available residual sea water pump stretch into the bottom, filter tank by vertical tube and carry out periodic blow down; The water-in in second filter tank is the water outlet in last filter tank, and the height of its water outlet is lower than the water outlet in last filter tank, and has rising pipe [12] to communicate with aerobic oxidation pond [5]; The sidewall of the filter material layer top of first step biological filter has venting hole [9], by vapor pipe [3] and environmental communication.Top one side in filter tank, the second stage has the ventilation hole [11] that communicates with first step filter tank, and opposite side has the ventilation hole [11] that communicates with the aerobic oxidation pond.
Be provided with horizontal weir [6] in the aerobic oxidation pond [5], make current in oxidation pond, be " it " word and flow through, to prolong oxidization time, the filler that is used for biofilm is evenly arranged in the bottom, filler is also selected zeolite for use, is convenient to the attached growth of microorganisms breeding, and top cover [16] is arranged at top.In order to improve the dissolved oxygen effect, remove organism better, remove peculiar smell, on the breach of the flowing water that weir [6] is used for, be provided with water-blocking bank [15], as shown in Figure 3, current are flow through from water-blocking bank [15] form the drop effect, the height of each water-blocking bank [15] reduces successively along water (flow) direction, forms water drop between the weir before and after making, when current form turbulent flow when water-blocking bank flows through, can improve the dissolution rate of oxygen, increase the dissolved oxygen in the water better, improve the effect of aerobic oxidation.Oxidation pond [5] is provided with the air inlet well, and air enters oxidation pond by the air inlet well, communicate with top, filter tank by the ventilation hole [11] on filter tank [4] again, after venting hole [8] discharge by vapor pipe [3].Because the upper cavity of biological filter communicates with outside atmosphere, thereby is rich in oxygen, the filter material layer top in filter tank helps the aerobe growth and forms the aerobe filtrating area; The sewage in first step filter tank comes from anaerobic digester, and the anaerobe filtrating area is formed at the filter material layer bottom; And the sewage in the inflow next stage filter tank is owing to be dissolved with a part of oxygen on top, previous stage filter tank, make that the bottom and the top of filter material layer in filter tank, the second stage is the aerobic layer, and the middle part forms layer of oxygen deficient, both helped the growth of aerobic bacteria, the growth that is suitable for amphimicrobion and Anaerobic Bacteria is arranged again, be particularly suitable for the growth of denitrifying bacterium quasi-microorganism, can remove materials such as ammonia nitrogen in the sewage and phosphorus preferably, effectively remove stink.And make the filler of filter tank filtrate and aerobic ditch, both adsorbable H with zeolite 2Organism such as S are convenient to the apposition growth of bacterium again, are convenient to form microbial film, more help organic bio-oxidation, can remove stink better.
Have the venting hole [14] that communicates between the top of between two anaerobic digester top and second anaerobic digester and first biological filter, so that the biogas such as methane in the digester are discharged from vapor pipe.

Claims (5)

1, a kind of waste disposal plant, form by anaerobic digester [2], biological filter [4] and aerobic digestion tank [5], the biological filter is in series by a plurality of filter tanks, filter material layer [13] is equipped with at the middle part in each filter tank, the intake-outlet in each filter tank is located at the top of filter material layer, and the water inlet pipe [8,10] that communicates with the filter material layer below is housed on the water-in; Filter material layer [13] top that it is characterized in that biological filter [4] has ventilating pit [9], by vapor pipe [3] and environmental communication.
2, waste disposal plant according to claim 1 is characterized in that the filtrate of described filter material layer is selected zeolite for use.
3, waste disposal plant according to claim 1, it is characterized in that being provided with in the described aerobic digestion tank [5] the horizontal weir [6] that the guiding current are it " word " shape trend, the filler that is used for biofilm is evenly arranged in the bottom, be provided with the water-blocking bank [15] of flooding on the breach of the flowing water that weir is used for, the height of each water-blocking bank reduces successively along water (flow) direction.
4, waste disposal plant according to claim 3 is characterized in that described filler selects zeolite for use.
5, according to claim 1 or 2 or 3 or 4 described waste disposal plants, the sidewall that it is characterized in that the filter material layer top of first step biological filter has venting hole [9], by vapor pipe [3] and environmental communication, the top of adjacent biological filter has the ventilation hole [11] that communicates, and top, last step biological filter has the ventilation hole [11] that communicates with aerobic digestion tank.
CN 02293280 2002-12-17 2002-12-17 Sewage treatment plant Expired - Fee Related CN2585857Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02293280 CN2585857Y (en) 2002-12-17 2002-12-17 Sewage treatment plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 02293280 CN2585857Y (en) 2002-12-17 2002-12-17 Sewage treatment plant

Publications (1)

Publication Number Publication Date
CN2585857Y true CN2585857Y (en) 2003-11-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 02293280 Expired - Fee Related CN2585857Y (en) 2002-12-17 2002-12-17 Sewage treatment plant

Country Status (1)

Country Link
CN (1) CN2585857Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102020401A (en) * 2010-12-23 2011-04-20 成都大学 An anti-impact load livestock farm sewage treatment device and treatment method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102020401A (en) * 2010-12-23 2011-04-20 成都大学 An anti-impact load livestock farm sewage treatment device and treatment method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee