CN208648875U - Internal-circulation anaerobic reactor - Google Patents
Internal-circulation anaerobic reactor Download PDFInfo
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- CN208648875U CN208648875U CN201821318888.3U CN201821318888U CN208648875U CN 208648875 U CN208648875 U CN 208648875U CN 201821318888 U CN201821318888 U CN 201821318888U CN 208648875 U CN208648875 U CN 208648875U
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Abstract
The utility model discloses a kind of internal-circulation anaerobic reactors, including tank body, the tank interior is successively provided with water distributor from bottom to top, circulation pipe and cabinet, the effluent pipe mouth of the circulation pipe extends to outside tank body and is connected with the water inlet pipe outside tank body, the cabinet is located at the top of tank interior, the central axis of the cabinet and the central axis of tank body coincide, the top of the cabinet and the top inner wall Joint of tank body, gas chamber is formed between the inner wall of the tank body and the outer wall of cabinet, the lower section of the cabinet and the top of water distributor are reaction zone, it is divided into three-phase separation area and settling zone from bottom to top in the cabinet.The utility model water distribution is uniform, and sludge loss is few, and effluent quality is high, and energy consumption is small.
Description
Technical field
The utility model relates to environmental technology field more particularly to a kind of internal-circulation anaerobic reactors.
Background technique
Anaerobic bio-treated is the effect using anaerobe, it is not necessary that organic matter is converted in the case where providing oxygen
It is a kind of wastewater processing technology of low cost for natural pond gas and water and a small amount of cellular material.Wherein, the main component of biogas is
Methane and carbon dioxide is a kind of recyclable energy.Therefore, the technique that is effectively treated of high concentrated organic wastewater is anaerobic organism
Processing.
Currently, the device of anaerobic bio-treated mainly has: up-flow anaerobic sludge blanket (UASB), granular sludge expansion bed
(EGSB), internal-circulation anaerobic reactor (IC), composite anaerobic fluidized bed (UBF) etc..Wherein, UASB reactor is a kind of application
Extremely wide anaerobic reactor has the advantage that (1) organic loading height, can reach 10kgCOD/m3D or so, processing
Effect is good, and the removal rate of COD can reach 80% or more；(2) hydraulic detention time is short, and pool capacity is small, saves floor occupying area；(3) nothing
Mixing plant is needed, is reduced investment outlay and energy consumption；(4) no setting is required in reactor filler, improves the capacity utilization of reactor, keeps away
Exempt from blockage problem and reduces cost of investment etc..
But the existing generally existing some shortcomings of UASB anaerobic reactor:
(1) water distribution is uneven, is easy to happen " short stream " phenomenon；
(2) gas, solid, liquid three phase separation effect are poor, and sludge is easy to be lost, and water outlet is muddy；
(3) need to be arranged outer circulation to enable the mud mixture in reactor to fluidize, energy consumption is larger.
To solve the above-mentioned problems, Chinese utility model patent CN105819567A discloses a kind of self-circulating anaerobic reaction
Device, including tank body, water distributor, sewage backflow pipe, biogas guiding device, the isolation composition such as inner cylinder and three phase separator, the patent
Interior circulation can be automatically formed using the castering action of biogas, increase the upflow velocity of main reaction region, make main reaction region has
Machine object and anaerobic organism contact area increase, and improve Anaerobic Treatment efficiency, save energy consumption, and still, the pair of the reactor is anti-
The portable sludge of a small amount of biogas for answering area to generate rises to settling zone, so that water outlet is easy to run mud, causes water outlet muddy, and should
The water distributor of reactor bottom is arranged in a mutually vertical manner, so that regional flow pressure and flow velocity far from water dispenser nozzle are smaller, is led
Cause water distribution uneven, and water dispenser nozzle is easy to happen blocking.
Currently, lacking a kind of be discharged does not run the uniform internal-circulation anaerobic reactor of mud, water distribution.
Utility model content
In view of the above drawbacks of the prior art, the technical purpose of the utility model be to provide a kind of water outlet do not run mud,
The uniform internal-circulation anaerobic reactor of water distribution.
To realize the above-mentioned technical purpose, the utility model provides following technical solution: following in one kind of the utility model
Ring anaerobic reactor, including tank body, the tank interior is successively provided with water distributor, circulation pipe and cabinet from bottom to top, described
The effluent pipe mouth of circulation pipe extends to outside the tank body and is connected with the water inlet pipe outside the tank body, and the cabinet is located at
The top of the tank interior, the central axis of the cabinet and the central axis of the tank body coincide, the top of the cabinet with
The top inner wall Joint of the tank body forms gas chamber, the cabinet between the inner wall of the tank body and the outer wall of the cabinet
Lower section and the water distributor top between region be reaction zone, be divided into the cabinet from bottom to top three-phase separation area and
Settling zone.
Further, three phase separator and effluent weir, the three phase separator both ends and case are additionally provided in the cabinet
The side wall Joint of body, and connection is provided with passway, is provided with gas collection below the gas gathering mask of the three phase separator
Two inclined-planes of chamber, bottom surface and gas gathering mask where air collecting chamber form collection chamber, and collection chamber is connected with gas chamber by passway, and three
Effluent weir is provided with above phase separator.
Further, cover board, the cover board of the top of the box and the tank are provided at the top of the tank body and cabinet
The cover board at the top of body coincides, and biogas pipe is provided on cover board, and biogas pipe is connected with gas chamber.
Further, sample tap is provided in the exterior side wall of the tank body, the bottom of the tank body is provided with spoil disposal
Mouthful.
Further, the water distributor is the water distribution pipe of two-way U-shaped or circular loop parallel to each other, the water distributor
Water distributing pore is evenly distributed on road, the intake of the circulation pipe of the tank interior is located at the higher position of reaction zone.
Further, the bottom of the cabinet is provided with bracket, and the cabinet is by four identical square spacer plates and one
Bottom plate composition, the side wall are made of the intersection connection of four divider uprights, the inner wall of the outer wall of the cabinet and the tank body it
Between distance be 100-800mm, the gas chamber is connected with the biogas pipe at top.
Further, the shape of the cabinet is square, and the shape of the tank body is cylindrical body, the three phase separation
Device is inverted V-shape structure, is made of the gas gathering mask of inverted V-shape with section for the air collecting chamber of triangle, air collecting chamber is located at gas gathering mask
Inside, the bottom surface where air collecting chamber and gas gathering mask form collection chamber between two inclined-planes.
Further, the three phase separator is set as three layers, and gas gathering mask, which is parallel to each other, to be interspersed, same layer it is adjacent
Overcurrent seam is respectively formed between two neighboring gas gathering mask between two gas gathering masks and between adjacent two layers.
Further, the shape of the effluent weir be triangular structure, the effluent weir be located at three phase separator just on
Side, the side of the effluent weir is provided with baffle, forms effluent trough between baffle and effluent weir.
Further, the height of the baffle be lower than effluent weir height, effluent trough along its length with the side wall of cabinet
In parallel, effluent trough is connected with outlet pipe.
The utility model has the beneficial effects that
The water distribution of the utility model bottom is uniform, and sludge loss is few, and effluent quality is good, and energy consumption is small；Gas-liquid-solid three-phase separation
Effect is good, that is, is discharged and does not run mud, and effluent quality is good.
It has the advantages that
(1) by setting annular (or rectangular) structure of two-way parallel to each other for water distributor, and reasonably it is disposed with cloth
The mouth of a river, water distribution is uniform, and cloth water area is big, avoids generation " short stream "；Meanwhile there are flange port on the pipeline of water-distributing device,
When water distribution mouth blocks, air purge or washing can be carried out, the water distribution mouth of blocking is washed open, to solve water distribution mouth blocking
The problem of.
(2) compared with existing outer circulation mode, by the circulation in reaction zone is arranged, reactor itself is made full use of to produce
Raw biogas makes system generate certain fluid effect, so that the power consumption of internal circulation pump greatly reduces, or even negative in system
When lotus is higher, the biogas for only relying on reactor itself generation can make system be able to fluidize and generate higher upper up-flow completely
Speed saves power consumption without opening circulating pump.
(3) by being arranged three phase separator in cabinet, and the biogas after three phase separator is separated imports outside cabinet
In gas chamber between portion and tank interior, biogas bubble is avoided to rise to the settling zone on three phase separator top, and then from avoiding
The biogas of rising carries sludge secretly, ensure that water outlet is not lost without mud and system sludge.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model internal-circulation anaerobic reactor；
Fig. 2 is the left view of the utility model internal-circulation anaerobic reactor；
Fig. 3 is the A-A sectional view of the utility model internal-circulation anaerobic reactor；
Wherein, 1 tank body, 101 reaction zones, 102 three-phase separation areas, 103 settling zones, 104 gas chambers, 105 collection chambers, 106 go out
Sink, 2 water distributors, 3 circulation pipes, 4 cabinets, 5 three phase separators, 6 effluent weirs, 8 cover boards, 9 passways, 10 biogas pipes, 11 water inlets
Pipe, 12 biogas pipes, 13 sample taps, 14 mud discharging mouths, 15 outlet pipes.
Specific embodiment
Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of internal-circulation anaerobic reactor of the utility model, including tank body 1, in the tank body 1
Portion is successively provided with water distributor 2, circulation pipe 3 and cabinet 4 from bottom to top, and the effluent pipe mouth of the circulation pipe 3 extends to outside tank body 1
Portion and the (not shown) that is connected with the water inlet pipe 11 outside tank body 1, the cabinet 4 is located at the top inside tank body 1, described
The central axis of cabinet 4 and the central axis of tank body 1 coincide, the top of the cabinet 4 and the top inner wall Joint of tank body 1, institute
Formation gas chamber 104 between the inner wall of tank body 1 and the outer wall of cabinet 4 is stated, the lower section of cabinet 4, the top of water distributor 2 are reaction zone
101, it is divided into three-phase separation area 102 and settling zone 103 from bottom to top in cabinet 4.
Three phase separator 5 and effluent weir 6, the both ends of three phase separator 5 and the side wall phase of cabinet 4 are additionally provided in cabinet 4
It is affixed, and connection is provided with passway 9, and air collecting chamber, air collecting chamber place are provided with below the gas gathering mask of three phase separator 5
Bottom surface and two inclined-planes of gas gathering mask form collection chamber 105, collection chamber 105 and gas chamber 104 pass through passway 9 and are connected, three-phase
The top of separator 5 is provided with effluent weir 6.
The top of tank body 1 and cabinet 4 is provided with cover board 8, the cover board and the cover board phase at the top of tank body 1 at 4 top of cabinet
It is overlapped, and is provided with biogas pipe 12 on cover board 8, biogas pipe 12 is connected with gas chamber 104, and the biogas in gas chamber 104 passes through biogas
Pipe 10 is discharged and carries out resource utilization.
It is provided with sample tap 13 in the exterior side wall of tank body 1, convenient for sampling observation or carries out water quality detection, the bottom of tank body 1
Portion is provided with mud discharging mouth 14, is convenient for regular spoil disposal.
Water distributor 2 is the water distribution pipe of two-way U-shaped or circular loop parallel to each other, is uniformly distributed on the water distribution pipe
There is water distributing pore, water distributor 2 is the pipeline of annular (or rectangular) structure of two-way parallel to each other, is reasonably arranged on water distributor 2
One arrangement mouth of a river (not shown), meanwhile, there are flange ports on water distribution pipe；When operation, waste water is pumped into instead by intake pump
It answers in device, and is mixed with the flow liquid that is recycled back to from reactor upper return, water distribution uniformity is then carried out by water distributor 2,
Generation " short stream " is avoided, when water distribution mouth blocks, air purge or washing can be carried out by valve flanges mouth, by blocking
Water distribution mouth is washed open, to solve the problems, such as water distribution mouth blocking.
It is reaction zone 101 above the lower section of cabinet 4 and water distributor 2, waste water and is recycled back to flow liquid through 2 water distribution uniformity of water distributor
Afterwards, the sludge with reaction zone 101 is sufficiently mixed, and is then risen rapidly, and upflow velocity can reach 3-10m/h, in rising
In the process, the most organic in waste water, which is oxidized, is decomposed into small-molecule substance, is eventually converted into biogas (methane CH4, two
Carbonoxide CO2, hydrogen sulfide H2S etc.), the volumetric loading of whole system can reach 3-10kg/m3·d。
The intake of circulation pipe 3 inside tank body 1 is located at the higher position of reaction zone 101, is conducive in this way by reaction zone
The mixed liquor on 101 tops is back to bottom, that is, the biogas for making full use of system itself to generate improves the upflow velocity of mixed liquor, from
And make system that there is preferable fluid effect.
The bottom of cabinet 4 is provided with bracket, and cabinet 4 is made of four identical square spacer plates and a bottom plate, the side
Wall is made of four divider upright intersection connections, and the distance between outer wall and the inner wall of tank body 1 of cabinet 4 are 100-800mm, institute
Gas chamber 104 is stated to be connected with the biogas pipe 12 at top.
The shape of cabinet 4 is square, and the shape of the tank body 1 is cylindrical body, and the three phase separator 5 is inverted V-shape
Structure is made of the gas gathering mask of inverted V-shape with section for the air collecting chamber of triangle, and air collecting chamber is located inside gas gathering mask, air collecting chamber
Collection chamber 105 is formed between two inclined-plane of bottom surface and gas gathering mask at place.
Three phase separator 5 is set as three layers, and gas gathering mask, which is parallel to each other, to be interspersed, the two neighboring gas gathering mask of same layer it
Between and adjacent two layers between two neighboring gas gathering mask between form overcurrent seam, be conducive to solid and when liquid passed through stream peak
It is separated.
When operation, by controlling the water inlet of anaerobic reactor bottom and the upflow velocity of phegma, make the adjacent of same layer
The upflow velocity of mixed liquor in the vertical direction is 1-2m/h in overcurrent seam between two gas gathering masks, and adjacent two layers is adjacent
Mixed liquor is less than the former along the vertical direction upper along the upflow velocity of bevel direction in overcurrent seam between two gas gathering mask inclined-planes
Up-flow speed when the biogas that reaction zone 101 generates is by the inclined-plane of air collecting chamber and gas gathering mask, can be good at separating and enter gas collection
Room 105 avoids biogas bubble from rising to the settling zone 103 on upper layer.
Biogas in collection chamber 105 enters gas chamber 104 by passway, by 10 row of biogas pipe after gas chamber 104 collects
Out.After the separation of three phase separator 5, partial sludge is back to anti-due to the effect of gas gathering mask and air collecting chamber for liquid and sludge
The bottom of device is answered, a small amount of sludge and liquid continue to be raised slowly to settling zone 103, and due to gravity, sludge is in settling zone
103 are precipitated, and finally return that the bottom of reactor, and liquid continues to rise to effluent weir 6.
The effluent weir 6 is located at the surface of three phase separator 5, and the shape of effluent weir 6 is triangular structure, effluent weir 6
Side be provided with baffle, effluent trough 106 is formed between baffle and effluent weir 6, the height of baffle is lower than 6 height of effluent weir, out
Sink 106 is parallel with the side wall of cabinet 4 along its length, and effluent trough 106 is connected with outlet pipe 13, and treated waste water is through going out
12 discharge system of water pipe.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of internal-circulation anaerobic reactor, including tank body (1), it is characterised in that: inside the tank body (1) successively from bottom to top
Be provided with water distributor (2), circulation pipe (3) and cabinet (4), the effluent pipe mouth of the circulation pipe (3) extend to outside tank body and with
Water inlet pipe (2) outside tank body is connected, and the cabinet (4) is located at the internal top of tank body (1), the center of the cabinet (4)
Axis and the central axis of tank body (1) coincide, the top of the cabinet (4) and the top inner wall Joint of the tank body (1), described
Gas chamber is formed between the inner wall of tank body (1) and the outer wall of cabinet (4), the lower section of the cabinet (4) and the top of water distributor (2) are
Reaction zone (101), the cabinet (4) is interior to be divided into three-phase separation area (102) and settling zone (103) from bottom to top.
2. internal-circulation anaerobic reactor according to claim 1, it is characterised in that: be additionally provided with three in the cabinet (4)
Phase separator (5) and effluent weir (6), the both ends of the three phase separator (5) and the side wall Joint of cabinet (4), and be connected
Place is provided with passway (9), is provided with air collecting chamber, the bottom where air collecting chamber below the gas gathering mask of the three phase separator (5)
Face and two inclined-planes of gas gathering mask form collection chamber (105), and collection chamber (105) is connected with gas chamber (104) by passway, three-phase
Effluent weir (6) are provided with above separator (5).
3. internal-circulation anaerobic reactor according to claim 1, it is characterised in that: the top of the tank body (1) and cabinet (4)
Portion is provided with cover board (8), and the cover board of cover board and the top of tank body (1) at the top of the cabinet (4) coincides, and cover board (8)
On be provided with biogas pipe (12), biogas pipe (12) is connected with gas chamber (104).
4. internal-circulation anaerobic reactor according to claim 1, it is characterised in that: in the exterior side wall of the tank body (1)
It is provided with sample tap (13), the bottom of tank body (1) is provided with mud discharging mouth (14).
5. internal-circulation anaerobic reactor according to claim 1, it is characterised in that: the water distributor (2) is parallel to each other
Two-way U-shaped or circular loop water distribution pipe, water distributing pore is evenly distributed on the water distribution pipe, the tank body (1) is internal
The intake of circulation pipe (3) be located at the higher position of reaction zone (101).
6. internal-circulation anaerobic reactor according to claim 2, it is characterised in that: the bottom of the cabinet (4) is provided with
Bracket, the distance between outer wall and the inner wall of tank body (1) of the cabinet are 100-800mm, the gas chamber (104) and top
Biogas pipe (12) is connected.
7. internal-circulation anaerobic reactor according to claim 2, it is characterised in that: the shape of the cabinet (4) is pros
Body, the shape of the tank body (1) are cylindrical body, and the three phase separator (5) is inverted V-shape structure, by the gas gathering mask of inverted V-shape
With the air collecting chamber composition that section is triangle, air collecting chamber is located inside gas gathering mask, and the bottom surface where air collecting chamber and gas gathering mask two are oblique
Collection chamber is formed between face.
8. internal-circulation anaerobic reactor according to claim 7, it is characterised in that: the three phase separator (5) is set as
Three layers, gas gathering mask, which is parallel to each other, to be interspersed, adjacent between the two neighboring gas gathering mask of same layer and between adjacent two layers
Overcurrent seam is formed between two gas gathering masks.
9. internal-circulation anaerobic reactor according to claim 1, it is characterised in that: the shape of the effluent weir (6) is three
Angular structure, the effluent weir (6) are located at the surface of three phase separator (5), and the side of the effluent weir (6) is provided with gear
Effluent trough (106) are formed between plate, baffle and effluent weir (6).
10. internal-circulation anaerobic reactor according to claim 9, it is characterised in that: the height of the baffle is lower than water outlet
Weir (6) height, effluent trough (106) is parallel with the side wall of cabinet (4) along its length, effluent trough (106) and outlet pipe (13) phase
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821318888.3U CN208648875U (en) | 2018-08-16 | 2018-08-16 | Internal-circulation anaerobic reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821318888.3U CN208648875U (en) | 2018-08-16 | 2018-08-16 | Internal-circulation anaerobic reactor |
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| CN208648875U true CN208648875U (en) | 2019-03-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108892239A (en) * | 2018-08-16 | 2018-11-27 | 上海泓济环保科技股份有限公司 | Internal-circulation anaerobic reactor |
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2018
- 2018-08-16 CN CN201821318888.3U patent/CN208648875U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108892239A (en) * | 2018-08-16 | 2018-11-27 | 上海泓济环保科技股份有限公司 | Internal-circulation anaerobic reactor |
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