CN108905599A - Interior circulating biological desulfurization reactor and method - Google Patents

Interior circulating biological desulfurization reactor and method Download PDF

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CN108905599A
CN108905599A CN201811025464.2A CN201811025464A CN108905599A CN 108905599 A CN108905599 A CN 108905599A CN 201811025464 A CN201811025464 A CN 201811025464A CN 108905599 A CN108905599 A CN 108905599A
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wall
cylindrical outer
mud
mouth
inner cylinder
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CN108905599B (en
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郑平
李文骥
许冬冬
康达
曾卓
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Zhejiang University ZJU
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/84—Biological processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/52—Hydrogen sulfide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/96—Regeneration, reactivation or recycling of reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/05—Biogas
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Sustainable Development (AREA)
  • Treatment Of Sludge (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses a kind of interior circulating biological desulfurization reactor and methods.Reactor body is cylindrical outer wall, is divided into Ji Liuqu, inhalant region and circular response area from bottom to top, and settling zone is located at cylindrical outer wall top peripheral.Ji Liuqu is equipped with sulphur discharging pipeline, spiral mouth, mud-collecting slot and annular inclined plate；Inhalant region is equipped with water inlet pipe, aeration head, gas-guide tube and gag lever post；Circular response area is equipped with inner cylinder and horn mouth；Settling zone is equipped with precipitating inclined-plane, mud flushing tube, charge for remittance mouth, inclined plate and outlet pipe.Sulfide oxidation is separated with elemental sulfur and is combined together by the present invention, and apparatus structure is compact, and occupied area is smaller；By having the optimum organization of bell-mouthed inner cylinder, the high-efficiency internal circulation of reaction solution can be realized using gas stripping and Venturi effect；By setting inclined plate, charge for remittance mouth and mud flushing tube, it can be achieved that muddy water efficiently separate and the recycling of elemental sulfur.

Description

Interior circulating biological desulfurization reactor and method
Technical field
The present invention relates to a kind of biological desulphurization reactor more particularly to a kind of interior circulating biological desulfurization reactor and methods.
Background technique
A large amount of organic wastes can be generated during industrial and agricultural production and urban life, handling by anaerobic fermentation can produce Raw a large amount of biogas, and biogas is a kind of high-grade clean energy resource.Main component CH is removed in biogas4、CO2Except, also contain and comes from Protein degradation matter and other sulfur-containing compounds and the H generated2S, concentration range be usually 500ppmv (0.05%)~ 20000ppmv (2%).H2S not only can generate threat to human health, can also corrosion concrete and steel frame construction.At the same time, The H being mixed in biogas2S can generate oxysulfide by burning, be an important factor for forming acid rain, seriously to pollute environment.Therefore, Biogas desulfurization is imperative.
Currently, biogas desulfurization mainly includes three kinds of methods：Dry desulfurization, wet desulphurization and biological desulphurization.Biological desulphurization skill Art relies on the advantages such as its cost of investment is low, process flow is simple and convenient to operate to be widely used in actual production.Separate type is raw Object sulfur removal technology separates bioreactor and elemental sulfur separator, and desulfuration efficiency is high, annual operating and maintenance cost is low, the degree of automation It is high, easy to operate, and biogas does not mix directly with air, operational safety.But under high-load condition, sulfide and oxygen are in life Reaction cannot be come into full contact in object reactor, cause sulfide conversion ratio to decline, and need to separately set elemental sulfur separator, cost compared with Height, occupied area increase.For this purpose, the present invention designs a kind of interior circulating biological desulfurization reactor, band is rationally disposed by reaction zone There is bell-mouthed inner cylinder, realizes interior circulation using gas stripping and Venturi effect, improve the removal efficiency of sulfide；It is logical Settling zone setting multilayer incline-plate is crossed, efficiently separating for mud mixture is realized using sloping plate deposition and shallow layer precipitating, enhances function The withholding ability of energy bacterium；Annular inclined plate is set by Ji Liuqu, is precipitated using inclined plate barrier and gravity, returning for elemental sulfur is promoted It receives and utilizes.The structure of reactor is compact, and sulfide high conversion rate, elemental sulfur recovering effect is good, has popularization and application foreground.
Summary of the invention
Present invention aim to address problems of the prior art, and it is anti-to provide a kind of efficient interior circulating biological desulfurization Answer device.Specific technical solution of the present invention is as follows：
A kind of interior circulating biological desulfurization reactor, the reactor body are cylindrical outer wall, and cylindrical outer wall is from bottom to top Successively by Ji Liuqu, inhalant region, circular response district's groups at settling zone is located at cylindrical outer wall top peripheral；
Bottom-up to set gradually sulphur discharging pipeline, spiral mouth and mud-collecting slot in the area Ji Liu, annular inclined plate is set to collection It the inner top of mud groove and is tilted down towards center, for realizing the separation and discharge of elemental sulfur and sludge；Sulphur discharging pipeline is set to spiral shell The center of mouth is revolved, spiral mouth is set to the bottom of mud-collecting slot, the central axes weight of the central axes and mud-collecting slot of sulphur discharging pipeline and spiral mouth It closes；Mud-collecting slot is 1 hemisphere, and hemisphere diameter is identical as the barrel diameter of cylindrical outer wall；
Bottom-up to set gradually water inlet pipe and aeration head in the inhalant region, water inlet pipe is connect with peristaltic pump；Water inlet Pipe protrudes into cylindrical outer wall central axes across cylindrical outer wall side wall, and tail end is vertically upward at central axes；Aeration head with from anti- The gas-guide tube connection under stretching at the top of device is answered, is hung on cylindrical outer wall central axes, and be located at the surface of water inlet pipe tail end；It exposes It is circumferential between gas head and cylindrical outer wall side wall that several gag lever posts are angularly set；
In the circular response area, several are set from bottom to top with bell-mouthed inner cylinder, circular response area by Cylindrical outer wall is divided into inside and outside two regions by inner cylinder, for circulation in reaction solution；Several have bell-mouthed inner circle Cylinder is vertically installed in from bottom to top on cylindrical outer wall central axes, and the horn mouth of upper inner cylinder is protruded on the top of the next inner cylinder In and between the two have gap, be used to form part in circulation；There are certain between the top and liquid level of the top inner cylinder Distance；Several sample taps are respectively provided on inner circle drum outer wall and cylindrical outer wall；Head space room, cylinder is arranged in circular response area top Gas gathering mask slot is arranged in shape outer wall top outer, and the gas gathering mask for being equipped with air inlet pipe and exhaust pipe is placed in gas gathering mask slot；
In the settling zone, setting precipitates inclined-plane, mud flushing tube, charge for remittance mouth, inclined plate and outlet pipe, settling zone from bottom to top It is connected to by the opening on cylindrical outer wall wall with circular response area；Charge for remittance mouth is set to the inner wall of cylindrical outer wall, and rushes mud Pipe upper end is connected for the part water in circular response area to be imported mud flushing tube, and mud flushing tube lower end is close to the upper end on precipitating inclined-plane, punching Mud pipe is used to wash away the sludge on precipitating inclined-plane and returns it to circular response area；Several pieces of inclined plates are provided with above mud flushing tube, For reinforced deposition efficiency；Outlet pipe is set on settling zone side wall, and central axes are equal with liquid level, is drained for reactor.
As a kind of preferred implementation, the diameter of the cylindrical outer wall and the ratio of total height are 1：10~15, The ratio between Ji Liuqu, inhalant region, circular response area and volume of settling zone are 1：1~2：10~15：4~8, it removes in cylindrical outer wall Ji Liuqu (I) outside diametrically under it is identical.
As a kind of preferred implementation, spiral mouth diameter is the 1/3~1/2 of mud-collecting slot diameter；Annular inclined plate and level The inclination angle in face is 45 °~55 °, and the diameter of annular inclined plate central circular hole is the 1/3~1/2 of mud-collecting slot diameter.
As a kind of preferred implementation, the gag lever post totally 3~4, circumference in equal parts setting, inner end and aeration head Distance be 1~2mm, aeration head diameter be 20~40mm, gag lever post vertical height be less than aeration head, and in the level of aeration head Axis is overlapped.
As a kind of preferred implementation, 3 are set altogether with bell-mouthed inner cylinder, diameter is 30~50mm, inner cylinder Diameter is greater than 10~20mm of aeration head diameter；Angle is 45 °~55 ° between horn mouth side wall and plumb line, and vertical height is interior The 1/3~1/2 of cylinder heights；1/4~1/2 that bell-mouthed distance is horn mouth vertical height is protruded on aeration head top；It is most upper The inner cylinder top of side is apart from 30~50mm of liquid level.
As a kind of preferred implementation, precipitating angle between inclined-plane and plumb line is preferably 50 °~55 °.
As a kind of preferred implementation, inclined plate quantity is preferably 5~8 pieces, and inclined plate is parallel with mud flushing tube, with vertical wire clamp Angle is 55 °~60 °, and mud flushing tube end and the oblique distance between the surface of precipitating are 5~10mm.
As a kind of preferred implementation, the radial width of charge for remittance mouth is preferably the 1/6~1/4 of cylindrical outer wall diameter.
As a kind of preferred implementation, the sample tap on inner circle drum outer wall and cylindrical outer wall is located at identical height.
It is another object of the present invention to provide a kind of method of interior circulating biological desulfurization using the reactor, Steps are as follows：
Hydrogen sulfide absorption liquid is pumped into reactor inhalant region by water inlet pipe using peristaltic pump；By aeration head provide air from Across the area cylindrical outer wall Nei Ge on down, and the reaction solution in inner cylinder is driven to move upwards, inner cylinder and cylindrical outer wall Between reaction solution move downward, generate in circulation；At inner cylinder horn mouth, using Venturi effect, partially move downward Reaction solution can reenter inner cylinder, generate circulation in part；Tail gas escapes into reactor top empty room in liquid level, by gas gathering mask Exhaust pipe discharge；Constantly monitoring reactant species and content and reacting liquid pH value, adjust aeration quantity, and reactor is generated with list Desulfurization product based on matter sulphur, elemental sulfur enter Ji Liuqu, accelerate precipitating under the action of annular inclined plate, are collected in mud-collecting slot It is interior, reactor is periodically discharged by sulphur discharging pipeline；The reaction solution partially moved downward in circular response area is converged through charge for remittance mouth, by rushing mud Pipe promotes sludge to return to circular response area along precipitating bevel direction outflow；Pass through inclined plate reinforcement sludge sedimentation effect in settling zone After mud-water separation, purified water is discharged by outlet pipe in rate.
The present invention has the advantage that compared with prior art：(1) sulfide bioconversion is separated with elemental sulfur and is melted It is integrated, apparatus structure is compact, and occupied area is small；(2) inside and outside cylinder is set, to be aerated the gas provided as power, in realization Circulation, and circulation in part is realized in horn mouth using Venturi effect；(3) sloping plate deposition is applied into settling zone sum aggregate sulphur Area improves mud-water separation and simple substance sulphur recovery efficiency；(4) settling zone lower part sets charge for remittance mouth and mud flushing tube, improves sludge and returns Return effect.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of the structure of interior circulating biological desulfurization reactor；
Fig. 2 is inhalant region top view；
Fig. 3 is flow direction schematic diagram in circular response area；
Fig. 4 is the schematic perspective view of charge for remittance mouth and mud flushing tube in settling zone；
Fig. 5 is the schematic perspective view of settling zone middle swash plate；
In figure：The area Ji Liu I, inhalant region II, circular response area III, settling zone IV；Sulphur discharging pipeline 1, spiral mouth 2, mud-collecting slot 3, Annular inclined plate 4, aeration head 5, gas-guide tube 6, horn mouth 7, inner cylinder 8, water inlet pipe 9, peristaltic pump 10, gag lever post 11, water check valve 12, Sample tap 13, precipitating inclined-plane 14, mud flushing tube 15, charge for remittance mouth 16, inclined plate 17, outlet pipe 18, gas gathering mask 19, air inlet pipe 20, exhaust Pipe 21, gas gathering mask slot 22, head space room 23.
Specific embodiment
Below with reference to specific the drawings and specific embodiments, the present invention will be further described.If between each preferred embodiment There is no specified otherwise or conflict, any combination can be carried out.
As shown in Fig. 1~5, a kind of interior circulating biological desulfurization reactor, the reactor body is cylindrical outer wall, cylinder-shaped Outer wall is in turn divided into the area Ji Liu I, inhalant region II, circular response area III from bottom to top, and settling zone IV is located in cylindrical outer wall Portion periphery.
Bottom-up to set gradually sulphur discharging pipeline 1, spiral mouth 2 and mud-collecting slot 3 in the area Ji Liu I, annular inclined plate 4 is set to collection It the inner top of mud groove 3 and is tilted down towards center, for realizing the separation and discharge of elemental sulfur and sludge；Sulphur discharging pipeline 1 is set to The center of spiral mouth 2, spiral mouth 2 are set to the bottom of mud-collecting slot 3, with the screw thread for assembly.Sulphur discharging pipeline 1 and spiral mouth 2 Central axes be overlapped with the central axes of mud-collecting slot 3.Mud-collecting slot 3 is 1 hemisphere, the cylinder of hemisphere diameter and cylindrical outer wall Diameter is identical.
Bottom-up to set gradually water inlet pipe 9 and aeration head 5 in inhalant region II, water inlet pipe 9 is connect with peristaltic pump 10；Into Water pipe 9 passes through cylindrical outer wall side wall, protrudes into cylindrical outer wall central axes, tail end vertically upward, passes through wriggling at central axes The power of pump 10 is intake upwards.Aeration head 5 with from reactor head stretch under gas-guide tube 6 connect, hang in cylindrical outer wall On axis, and it is located at the surface of 9 tail end of water inlet pipe.Gas-guide tube 6 connects air inlet pipe 20, supplies into aeration head 5.Such as Fig. 2 institute Show, it is circumferential between aeration head 5 and cylindrical outer wall side wall that several gag lever posts 11 are angularly set, so that aeration head 5 only can be It is swung in the region that gag lever post 11 surrounds, biggish offset will not be generated.
In circular response area Ш, be arranged from bottom to top several have horn mouth 7 inner cylinders 8, circular response area Ш by Cylindrical outer wall is divided into inside and outside two regions by inner cylinder 8, for circulation in reaction solution.As shown in figure 3, several have loudspeaker The inner cylinder 8 of mouth 7 is vertically installed in from bottom to top on cylindrical outer wall central axes, and the top of underlying inner cylinder 8 is stretched In the horn mouth 7 for entering the inner cylinder 8 being located above, and there is gap between the two, when water flow high speed is passed through out of inner cylinder 8 When, it can be because circulation in part be consequently formed by inside the water flow sucking inner cylinder 8 outside inner cylinder 8 in Venturi effect.It is most upper There are certain distances between the top and liquid level of square inner cylinder 8, do not stretch out liquid level.On 8 outer wall of inner cylinder and cylindrical outer wall Several sample taps 13 with water check valve 12 are set, detection can be acquired to the water sample of different location by sample tap 13, be Parameter adjustment provides basis.Sample tap 13 on 8 outer wall of inner cylinder and cylindrical outer wall can be located at identical height.Circulation is anti- Answer the area top Ш that head space room 23 is set, gas gathering mask slot 19 is arranged in cylindrical outer wall top outer, is equipped with air inlet pipe 20 and exhaust The gas gathering mask 22 of pipe 21 is placed in gas gathering mask slot 19, can realize sealing by modes such as water seals.
In settling zone IV, setting precipitates inclined-plane 14, mud flushing tube 15, charge for remittance mouth 16, inclined plate 17 and outlet pipe 18 from bottom to top, IV bottom of settling zone is connected to by the opening in cylindrical outer wall with circular response area Ш.As shown in figure 4, charge for remittance mouth 16 is set to The inner wall of cylindrical outer wall, and be connected with 15 upper end of mud flushing tube, circulating downwards in water flow makes to incite somebody to action by charge for remittance mouth 16 The part water in circular response area III imports mud flushing tube 15.15 lower end of mud flushing tube is heavy for washing away close to the upper end on precipitating inclined-plane 14 Sludge on shallow lake inclined-plane 14 simultaneously returns it to circular response area Ш.As shown in figure 5, being provided with several pieces of inclined plates above mud flushing tube 15 17, it is used for reinforced deposition efficiency, outlet pipe 18 is set on IV side wall of settling zone, and central axes are equal with the liquid level in reactor, It is drained for reactor.
In reactor of the invention, the design parameter of each component can choose as follows：
The diameter of cylindrical outer wall and the ratio of total height are 1：The area 10~15, Ji Liu I, inhalant region II, circular response area The ratio between volume of Ш and settling zone IV is 1：1~2：10~15：Outside the area 4~8, cylindrical outer wall Zhong Chujiliu I diametrically under It is identical.2 diameter of spiral mouth is the 1/3~1/2 of 3 diameter of mud-collecting slot；The inclination angle of annular inclined plate 4 and horizontal plane is 45 °~55 °, ring The diameter of 4 central circular hole of shape inclined plate is the 1/3~1/2 of 3 diameter of mud-collecting slot.Gag lever post 11 can be arranged 3~4 according to the actual situation A (in Fig. 2 be 4), circumference in equal parts setting, inner end are 1~2mm with aeration head 5 at a distance from, 5 diameter of aeration head for 20~ 40mm, 11 vertical height of gag lever post is less than aeration head 5, and is overlapped with the horizontal median axis of aeration head 5.With in horn mouth 7 Cylinder 8 sets 3 altogether, and diameter is 30~50mm, and 8 diameter of inner cylinder is greater than 5 10~20mm of diameter of aeration head；7 side wall of horn mouth with Angle is 45 °~55 ° between plumb line, and vertical height is the 1/3~1/2 of 8 height of inner cylinder；Loudspeaker are protruded on 5 top of aeration head The distance of mouth 7 is the 1/4~1/2 of 7 vertical height of horn mouth；8 top of inner cylinder of the top is apart from 30~50mm of liquid level.
In addition, parameter can be further using following preferred in other embodiments：Precipitate angle between inclined-plane 14 and plumb line Preferably 50 °~55 °；17 quantity of inclined plate is preferably 5~8 pieces, and inclined plate 17 is parallel with mud flushing tube 15, is 55 ° with plumb line angle ~60 °, distance is 5~10mm between 15 end of mud flushing tube and precipitating inclined-plane 14；The radial width of charge for remittance mouth 16 is preferably cylinder-shaped outer The 1/6~1/4 of wall diameter.
Based on above-mentioned apparatus, the present invention also provides a kind of methods of interior circulating biological desulfurization, and its step are as follows：
Hydrogen sulfide absorption liquid is pumped into reactor inhalant region II by water inlet pipe 9 using peristaltic pump 10；It is provided by aeration head 5 Air passes through the area cylindrical outer wall Nei Ge from bottom to top, and the reaction solution in inner cylinder 8 is driven to move upwards, inner cylinder 8 and circle Reaction solution between cylindrical outer wall moves downward, and generates interior circulation；At inner cylinder horn mouth 7, Venturi effect, part are utilized The reaction solution moved downward can reenter inner cylinder 8, generate circulation in part；Tail gas escapes into reactor top empty room in liquid level 23, it is discharged by the exhaust pipe 21 on gas gathering mask 22；Water check valve 12 is opened in timing, acquires water sample, monitoring reaction by sample tap 13 Species and content and reacting liquid pH value adjust aeration quantity, reactor are made to generate the desulfurization product based on elemental sulfur, simple substance Sulphur enters the area Ji Liu I, accelerates precipitating under the action of annular inclined plate 4, is collected in mud-collecting slot 3, is periodically discharged instead by sulphur discharging pipeline 1 Answer device；The reaction solution partially moved downward in circular response area Ш is converged through charge for remittance mouth 16, by mud flushing tube 15 along precipitating inclined-plane The outflow of 14 directions, promotes sludge to return to circular response area Ш；Pass through 17 reinforcement sludge settling efficiency of inclined plate, muddy water in settling zone IV After separation, purified water is discharged by outlet pipe 18.

Claims (10)

1. a kind of interior circulating biological desulfurization reactor, it is characterised in that：Reactor body is cylindrical outer wall, cylindrical outer wall from Lower to be successively made of upwards Ji Liuqu (I), inhalant region (II), circular response area (III), settling zone (IV) is located at cylindrical outer wall Top peripheral；
It is bottom-up to set gradually sulphur discharging pipeline (1), spiral mouth (2) and mud-collecting slot (3), annular inclined plate in the Ji Liuqu (I) (4) it is set to the inner top of mud-collecting slot (3) and is tilted down towards center, for realizing the separation and discharge of elemental sulfur and sludge； Sulphur discharging pipeline (1) is set to the center of spiral mouth (2), and spiral mouth (2) is set to the bottom of mud-collecting slot (3), sulphur discharging pipeline (1) and spiral The central axes of mouth (2) are overlapped with the central axes of mud-collecting slot (3)；Mud-collecting slot (3) is 1 hemisphere, hemisphere diameter and cylindrical shape The barrel diameter of outer wall is identical；
It is bottom-up to set gradually water inlet pipe (9) and aeration head (5), water inlet pipe (9) and peristaltic pump in the inhalant region (II) (10) it connects；Water inlet pipe (9) passes through cylindrical outer wall side wall, protrudes into cylindrical outer wall central axes, tail end is vertical at central axes Upwards；Aeration head (5) with from reactor head stretch under gas-guide tube (6) connect, hang on cylindrical outer wall central axes, and position In the surface of water inlet pipe (9) tail end；It is circumferential between aeration head (5) and cylindrical outer wall side wall that several gag lever posts are angularly set (11)；
In the circular response area (Ш), several inner cylinders (8) for having horn mouth (7) are set from bottom to top, circulation is anti- Answer area (Ш) that cylindrical outer wall is divided into inside and outside two regions by inner cylinder (8), for circulation in reaction solution；Several have The inner cylinder (8) of horn mouth (7) is vertically installed in from bottom to top on cylindrical outer wall central axes, the top of the next inner cylinder (8) It protrudes into the horn mouth (7) of upper inner cylinder (8) and between the two with gap, is used to form circulation in part；In the top There are certain distances between the top and liquid level of cylinder (8)；Several are respectively provided on inner cylinder (8) outer wall and cylindrical outer wall to take Sample mouth (13)；Head space room (23) are arranged in the circular response area top (Ш), and gas gathering mask slot (19) are arranged in cylindrical outer wall top outer, The gas gathering mask (22) for being equipped with air inlet pipe (20) and exhaust pipe (21) is placed in gas gathering mask slot (19)；
In the settling zone (IV), setting precipitates inclined-plane (14), mud flushing tube (15), charge for remittance mouth (16), inclined plate from bottom to top (17) it is connected to by the opening in cylindrical outer wall with circular response area (Ш) with outlet pipe (18), settling zone (IV)；Charge for remittance mouth (16) it is set to the inner wall of cylindrical outer wall, is connected with mud flushing tube (15) upper end for leading the part water of circular response area (III) Enter mud flushing tube (15), mud flushing tube (15) lower end is close to the upper end of precipitating inclined-plane (14), and mud flushing tube (15) is for washing away precipitating inclined-plane (14) sludge on simultaneously returns it to circular response area (Ш)；Several pieces of inclined plates (17) are provided with above mud flushing tube (15), are used for Reinforced deposition efficiency；Outlet pipe (18) is set on settling zone (IV) side wall, and central axes are equal with liquid level, is arranged for reactor Water.
2. interior circulating biological desulfurization reactor according to claim 1, it is characterised in that：The cylindrical outer wall it is straight The ratio of diameter and total height is 1：10~15, Ji Liuqu (I), inhalant region (II), circular response area (Ш) and settling zone (IV) The ratio between volume is 1：1~2：10~15：The area 4~8, cylindrical outer wall Zhong Chujiliu (I) outside diametrically under it is identical.
3. interior circulating biological desulfurization reactor according to claim 1, it is characterised in that：Spiral mouth (2) diameter is collection mud The 1/3~1/2 of slot (3) diameter；The inclination angle of annular inclined plate (4) and horizontal plane is 45 °~55 °, annular inclined plate (4) central circular hole Diameter is the 1/3~1/2 of mud-collecting slot (3) diameter.
4. interior circulating biological desulfurization reactor according to claim 1, it is characterised in that：The gag lever post (11) totally 3~4 A, circumference in equal parts setting, inner end is 1~2mm at a distance from aeration head (5), and aeration head (5) diameter is 20~40mm, limit Bar (11) vertical height is less than aeration head (5), and is overlapped with the horizontal median axis of aeration head (5).
5. interior circulating biological desulfurization reactor according to claim 1, it is characterised in that：Inner circle with horn mouth (7) Cylinder (8) sets 3 altogether, and diameter is 30~50mm, and inner cylinder (8) diameter is greater than aeration head (5) 10~20mm of diameter；Horn mouth (7) Angle is 45 °~55 ° between side wall and plumb line, and vertical height is the 1/3~1/2 of inner cylinder (8) height；Aeration head (5) top The distance that horn mouth (7) is protruded at end is the 1/4~1/2 of horn mouth (7) vertical height；Inner cylinder (8) top distance of the top 30~50mm of liquid level.
6. interior circulating biological desulfurization reactor according to claim 1, it is characterised in that：Precipitate inclined-plane (14) and plumb line Between angle be preferably 50 °~55 °.
7. interior circulating biological desulfurization reactor according to claim 1, it is characterised in that：Inclined plate (17) quantity is preferably 5 ~8 pieces, inclined plate (17) is parallel with mud flushing tube (15), is 55 °~60 ° with plumb line angle, mud flushing tube (15) end and precipitating inclined-plane (14) distance is 5~10mm between.
8. interior circulating biological desulfurization reactor according to claim 1, it is characterised in that：The radial width of charge for remittance mouth (16) Preferably the 1/6~1/4 of cylindrical outer wall diameter.
9. interior circulating biological desulfurization reactor according to claim 1, it is characterised in that：Inner cylinder (8) outer wall and cylinder Sample tap (13) on shape outer wall is located at identical height.
10. a kind of interior circulating biological sulfur method using reactor as described in claim 1, its step are as follows：
Hydrogen sulfide absorption liquid is pumped into reactor inhalant region (II) by water inlet pipe (9) using peristaltic pump (10)；It is mentioned by aeration head (5) The air of confession passes through the area cylindrical outer wall Nei Ge from bottom to top, and the reaction solution in inner cylinder (8) is driven to move upwards, inner cylinder (8) reaction solution between cylindrical outer wall moves downward, and generates interior circulation；At inner cylinder horn mouth (7), venturi is utilized Effect, the reaction solution partially moved downward can reenter inner cylinder (8), generate circulation in part；Tail gas escapes into instead in liquid level Device head space room (23) is answered, is discharged by the exhaust pipe (21) on gas gathering mask (22)；Constantly monitoring reactant species and content and anti- Liquid pH value is answered, aeration quantity is adjusted, reactor generates the desulfurization product based on elemental sulfur, and elemental sulfur enters Ji Liuqu (I), in ring Accelerate precipitating under the action of shape inclined plate (4), be collected in mud-collecting slot (3), reactor is periodically discharged by sulphur discharging pipeline (1)；Circulation is anti- The reaction solution that part moves downward in area (Ш) is answered to converge through charge for remittance mouth (16), by mud flushing tube (15) along precipitating inclined-plane (14) side To outflow, sludge is promoted to return to circular response area (Ш)；Pass through inclined plate (17) reinforcement sludge settling efficiency, mud in settling zone (IV) After water separation, purified water is discharged by outlet pipe (18).
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111410371A (en) * 2020-04-16 2020-07-14 浙江大学 Oxygen-limited internal circulation biological desulfurization reactor and method
CN111410372A (en) * 2020-04-16 2020-07-14 浙江大学 Biological desulfurization reactor and method for synchronously realizing generation and recovery of elemental sulfur

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101700463A (en) * 2008-02-19 2010-05-05 孙伟杰 Method for desulfurating and denitrating and recovering sulfur resource in closed cycle way
CN201778014U (en) * 2010-08-10 2011-03-30 浙江大学 Integrated safe biological methane desulfurization zone
CN102476893A (en) * 2010-11-30 2012-05-30 中国科学院过程工程研究所 Biological desulphurization processing reactor, biological desulphurization processing system, and processing method
CN203683220U (en) * 2013-12-19 2014-07-02 浙江大学 Molysite self-circulating desulfurization anaerobic reactor
CN207684971U (en) * 2017-12-17 2018-08-03 武汉水博环保科技有限公司 Aerobic inner circulation bio-separation reactor
CN108423822A (en) * 2018-04-27 2018-08-21 浙江大学 High-efficiency internal circulation anaerobic biological reactor and its method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101700463A (en) * 2008-02-19 2010-05-05 孙伟杰 Method for desulfurating and denitrating and recovering sulfur resource in closed cycle way
CN201778014U (en) * 2010-08-10 2011-03-30 浙江大学 Integrated safe biological methane desulfurization zone
CN102476893A (en) * 2010-11-30 2012-05-30 中国科学院过程工程研究所 Biological desulphurization processing reactor, biological desulphurization processing system, and processing method
CN203683220U (en) * 2013-12-19 2014-07-02 浙江大学 Molysite self-circulating desulfurization anaerobic reactor
CN207684971U (en) * 2017-12-17 2018-08-03 武汉水博环保科技有限公司 Aerobic inner circulation bio-separation reactor
CN108423822A (en) * 2018-04-27 2018-08-21 浙江大学 High-efficiency internal circulation anaerobic biological reactor and its method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111410371A (en) * 2020-04-16 2020-07-14 浙江大学 Oxygen-limited internal circulation biological desulfurization reactor and method
CN111410372A (en) * 2020-04-16 2020-07-14 浙江大学 Biological desulfurization reactor and method for synchronously realizing generation and recovery of elemental sulfur
CN111410371B (en) * 2020-04-16 2021-06-01 浙江大学 Oxygen-limited internal circulation biological desulfurization reactor and method
CN111410372B (en) * 2020-04-16 2023-06-30 浙江大学 Biological desulfurization reactor and method for synchronously realizing generation and recovery of elemental sulfur

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