CN207667413U - Eliminating malodours from gases device based on microorganism - Google Patents

Eliminating malodours from gases device based on microorganism Download PDF

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Publication number
CN207667413U
CN207667413U CN201721272549.1U CN201721272549U CN207667413U CN 207667413 U CN207667413 U CN 207667413U CN 201721272549 U CN201721272549 U CN 201721272549U CN 207667413 U CN207667413 U CN 207667413U
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absorption tower
level
overflow
microorganism
tower
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CN201721272549.1U
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王海波
高全超
孙斌斌
樊博
邹纯洁
韩丽辉
武冰磊
樊扬扬
康新乐
孙俊莉
牛凤虎
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Zhongxia Xujie Construction Technology Co ltd
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Hebei Xu Jie Environmental Engineering Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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Abstract

The eliminating malodours from gases device based on microorganism of the utility model includes controller, and sequentially connected first grade absorption tower, two-level absorption tower and chimney, it is provided with odorous gas import, level-one gas outlet and overflow port on first grade absorption tower, secondary inlet mouth, two level gas outlet and leakage fluid dram and treatment fluid supply port are provided on two-level absorption tower;Overflow port is connected to Sewage Disposal, treatment fluid supply port is connected to the aerobic system qualified discharge waste water tank of Sewage Disposal, and two-level absorption tower is connected to first grade absorption tower by overflow pipe, and it is respectively arranged with PH sensor on the overflow port and overflow pipe, it is additionally provided with electric control valve in the treatment fluid supply port, the PH sensor and the electric control valve are all connected to the controller.The pollution of odorous gas can be thoroughly eliminated using the technical solution of the utility model, and while deodorizing process carries out, provide nutriment for microorganism, it can be achieved that processing simple to odorous gas, efficient, continuous.

Description

Eliminating malodours from gases device based on microorganism
Technical field
The utility model is related to eliminating malodours from gases technical field more particularly to a kind of eliminating malodours from gases devices based on microorganism.
Background technology
Durings industrial and agricultural production, sewage disposal, garbage disposal and compost etc., odorant loss is had, to surrounding Environment pollutes.Odorant pollutant refers to that all stimulation olfactory organs cause people unhappy and the gas of damage living environment Substance, it stimulates olfactory cell by osmophore, and general concentration is relatively low, complicated component, and monitoring difficulty is big, administers difficult.It dislikes Sordes matter has been recognized by countries in the world as a kind of typical environmental hazard, many developed countries as a kind of public hazards into Row research, and prevention is implemented in special legislation.Foul odour in odorant pollutant is from ammonia, hydrogen sulfide, volatile organic compounds (VOC) etc. substances, these stink substances can reach the pollution for thoroughly eliminating stink by utilization, the conversion of microorganism, but conventional Biological odor removal method need to supplement necessary nutrient for microorganism in operation operating clearance, to maintain the activity of microorganism, It is not only cumbersome, but also microbial activity is will have a direct impact on, and then influence deodorizing effect.
Utility model content
To solve the deficiencies in the prior art, the utility model provides a kind of eliminating malodours from gases dress based on microorganism It sets, using the qualified discharge waste water of sewage disposal aerobic system and the collective effect of microorganism, thoroughly to eliminate odorous gas Pollution, and it is conducive to the activity of maintenance microorganism in deodorizing process process, realization is simple to odorous gas, efficient, continuously handles.
To achieve the above object, the eliminating malodours from gases device based on microorganism of the utility model comprising controller, and Sequentially connected first grade absorption tower, two-level absorption tower and chimney are both provided in the first grade absorption tower and two-level absorption tower Three layers of filler and circulated sprinkling mechanism, be respectively arranged on the first grade absorption tower odorous gas import, level-one gas outlet and Overflow port, is respectively arranged with secondary inlet mouth, two level gas outlet and leakage fluid dram on the two-level absorption tower and treatment fluid is mended Fill mouth;The overflow port is connected to Sewage Disposal, and the aerobic system that the treatment fluid supply port is connected to Sewage Disposal reaches Mark waste discharge tank, and the two-level absorption tower is connected to first grade absorption tower by overflow pipe, and in the overflow port and Be respectively arranged with PH sensor on overflow pipe, electric control valve be additionally provided in the treatment fluid supply port, the PH sensor and The electric control valve is all connected to the controller.
As the restriction to above-mentioned technical proposal, the circulated sprinkling mechanism in the first grade absorption tower and two-level absorption tower is equal It is included in one layer of spray being arranged at tower top.
As the restriction to above-mentioned technical proposal, the overflow height of the overflow port and overflow pipe is not less than 1000mm.
As the restriction to above-mentioned technical proposal, the overflow port be connected to Sewage Disposal hydrolysis acidification processing pond or Denitrification processing pond.
The deodorization device of the utility model provides for method of eliminating malodours from gases and is more convenient to operate, is filled conducive to the processing of control Set, keep processing procedure continuous, efficiently, to be stablized, effective treatment effect, for produce provide it is convenient.
Meanwhile the utility model also provides the method for eliminating malodours from gases based on above-mentioned apparatus, this method is will be pending Odorous gas absorbed, bio-conversion processes, it is described absorb, bio-conversion processes include by odorous gas via three layers of micro- life Object filler is inversely contacted with the absorbing liquid of circulated sprinkling, absorbed, bioconversion the step of;The absorbing liquid uses sewage Handle the qualified discharge waste water of aerobic system.
This method of eliminating malodours from gases carries out cycle spray using the qualified discharge waste water of sewage disposal aerobic system as absorbing liquid Leaching, forms liquid film at microbe stuffing layer, on the one hand absorbs the stink substance in gas, and pass through the profit of packing layer microorganism With transformation, stink is thoroughly eliminated;On the other hand it is the life of microorganism using qualified discharge waste water as the nutrient solution of microorganism Long breeding provides required nutriment, maintains the activity of microbe stuffing layer.Using the method for eliminating malodours from gases of the utility model, While deodorizing process carries out, the activity of packing layer microorganism can be maintained well, realized simple to odorous gas, high Effect, continuous processing, compared to conventional microbiological deodorizing method, not only treatment effect is excellent, stablizes, but also can save lye Operation of the use and running clearance of absorbing liquid to microorganism Additional nutrient solution, operation is convenient, of low cost, has significant Economic benefit.
As the restriction to above-mentioned technical proposal, this approach includes the following steps:
A, first order absorption, bio-conversion processes:Pending odorous gas is passed through first grade absorption tower, via three layers of micro- life Object filler is inversely contacted with the first order absorption liquid of circulated sprinkling, carries out first order absorption, bio-conversion processes, first order absorption hydrorrhea Stream discharge;
B, two level absorption, bio-conversion processes:It will be passed through two via escaping gas after first order absorption, bio-conversion processes Grade absorption tower is inversely contacted via three layers of microbe stuffing with the two level absorbing liquid of circulated sprinkling, carries out two level absorption, biology Exhaust emissions after conversion processing, two level absorbing liquid overflow enter first grade absorption tower;
The two level absorbing liquid be sewage disposal aerobic system qualified discharge waste water in two-level absorption tower circulated sprinkling, The liquid that odorous gas obtains is absorbed, the qualified discharge waste water by adding sewage disposal aerobic system controls two level absorbing liquid PH value is 5-7;The first order absorption liquid is that the two level absorbing liquid in overflow to first grade absorption tower recycles spray in first grade absorption tower Leaching absorbs the liquid that odorous gas obtains, and the pH value of control first order absorption liquid is 3-6;Sewage disposal in the two-level absorption tower The additional amount of the qualified discharge waste water of aerobic system is controlled via the first order absorption liquid pH value of overflow.
The method of eliminating malodours from gases of the utility model is absorbed, bio-conversion processes step by the way that two-stage is arranged, and control two The pH value of grade absorbing liquid, realizes good, the continuous operation of processing operation, obtains optimal deodorizing effect, the gas that makes that treated Reach direct emission standard, and effectively reduces operating cost.In processing procedure, the pH value of two-stage absorbing liquid is to be mutually related, Regulate and control the additional amount of the qualified discharge waste water of sewage disposal aerobic system by the first order absorption liquid pH value of overflow, control two level is inhaled The pH value of liquid is received, and then controls the pH value of first order absorption liquid.
As the restriction to above-mentioned technical proposal, one layer of spray is respectively provided in the absorption of step a, b, bio-conversion processes Leaching.
As the restriction to above-mentioned technical proposal, first order absorption liquid in step a, b, two level absorbing liquid overflow position All have 1000mm depth liquid.
As the restriction to above-mentioned technical proposal, gas liquid ratio is equal in first grade absorption tower, two-level absorption tower in step a, b For (50-100):1.
As the restriction to above-mentioned technical proposal, gas void tower in first grade absorption tower, two-level absorption tower in step a, b Flow velocity is 0.3-0.8m/s.
Further limit two-stage absorption in deodorizing method, the spray number of plies of bio-conversion processes, absorbing liquid overflow position The parameters such as liquid depth, the gas liquid ratio of spray-absorption, empty tower gas velocity make the operation of deodorizing method run more efficient, to stink gas The absorption treatment effect of body is more excellent.
In conclusion using the technical solution of the utility model, the method for eliminating malodours from gases based on microorganism of acquisition utilizes The qualified discharge waste water of sewage disposal aerobic system and the collective effect of microorganism can thoroughly eliminate the pollution of odorous gas, And while deodorizing process carries out, nutriment is provided for microorganism, maintains the activity of packing layer microorganism, is realized to stink Gas is simple, efficiently, continuously handles.Meanwhile deodorization device provided by the utility model, more conducively odorous gas deodorization is grasped Operation, the control of work, it is convenient to be provided for production.
Description of the drawings
Below in conjunction with the accompanying drawings and specific implementation mode is made further to be described in detail to the utility model:
Fig. 1 is the structural schematic diagram of the eliminating malodours from gases device based on microorganism of the utility model embodiment;
Fig. 2 is the structural schematic diagram of the two-level absorption tower of the utility model embodiment;
Specific implementation mode
Embodiment one
The present embodiment is related to the processing of the eliminating malodours from gases based on microorganism.
As shown in fig. 1, the eliminating malodours from gases device based on microorganism of the present embodiment includes controller not shown in the figure, And sequentially connected first grade absorption tower 1, two-level absorption tower 2 and chimney 3, it is all provided in first grade absorption tower 1 and two-level absorption tower 2 It is equipped with three layers of filler and circulated sprinkling mechanism, odorous gas import 4, level-one gas outlet are respectively arranged on first grade absorption tower 2 14 and overflow port 5, secondary inlet mouth 15, two level gas outlet 16 and leakage fluid dram 8 and place are respectively arranged on two-level absorption tower 2 Manage liquid supply port 7, level-one gas outlet 14 is connected by pipeline with secondary inlet mouth 15, two level gas outlet 16 by pipeline connection extremely At chimney 3.
Wherein, overflow port 5 is connected to Sewage Disposal, and treatment fluid supply port 7 is connected to the aerobic system of Sewage Disposal Qualified discharge waste water tank, and two-level absorption tower 2 is connected to first grade absorption tower 1 by overflow pipe 6, and in overflow port 5 and overflow It is respectively arranged with PH sensor 11 and PH sensor 12 in flow tube 6, electric control valve 13 is additionally provided in treatment fluid supply port 7, two A PH sensor and electric control valve 13 are all connected to controller.
In the present embodiment, the circulated sprinkling mechanism in first grade absorption tower 1 and two-level absorption tower 2, which is included at tower top, to be arranged One layer spray.On concrete structure, a kind of example arrangement of the two-level absorption tower 2 of the present embodiment is as shown in Figure 2, in two level Top in absorption tower 2 is provided with spaced apart three layers of packing layer 18 up and down, one layer of spray tube in circulated sprinkling mechanism 19 i.e. positioned at the top of the packing layer 18 of top layer, and the two level spray that spray tube 19 is connected to positioned at 2 bottom of two-level absorption tower follows On ring pump 10, in the inlet communication to two-level absorption tower 2 of two level Sprayer Circulation pump 10.
Secondary inlet mouth 15 above-mentioned is connected in two-level absorption tower 2, and positioned at the lower section of three layers of packing layer 18, and two level goes out Gas port 16 is located at the top of two-level absorption tower 2, and leakage fluid dram 8 is located at the bottom of two-level absorption tower 2, and treatment fluid supply port 7 is then and row Liquid mouth 8 is located at the same side, and the top in leakage fluid dram 8, and treatment fluid supply port 7 is specifically connected to the hydrolysis of Sewage Disposal Acidification pond or denitrification processing pond.In the present embodiment, two level tower is also equipped with close to its bottom on two-level absorption tower 2 Overflow port 17, overflow pipe 6 are connected on two level tower overflow port 17.In addition, corresponding to three layers of packing layer on two-level absorption tower 2 18 are also respectively provided with access hole 20.
In the present embodiment, the structure of first grade absorption tower 1 is roughly the same with the structure of two-level absorption tower 2 shown in Fig. 2, different Place, which is only that on first grade absorption tower 1, is not provided with leakage fluid dram, and the overflow port 5 on first grade absorption tower 1 is by being communicated in first order absorption Tower 1 and in erect shape arrangement open tubular shape at, and be used for 1 circulated sprinkling of first grade absorption tower then be level-one Sprayer Circulation pump 9. Furthermore, it is necessary to explanation, the overflow height of overflow port 5 and overflow pipe 6 is not less than 1000mm in the present embodiment, this namely one Bottom all has the liquid depth not less than 1000mm in grade absorption tower 1 and two-level absorption tower 2.
The odorous gas, including ammonia, hydrogen sulfide, volatile organic compounds (VOC) etc. collected to production in above-mentioned apparatus carries out Deodorizing process, operation are as follows:
A, first order absorption, bio-conversion processes:Odorous gas pending in gas collection pipeline is passed through first order absorption Tower bottom, the first order absorption liquid in the reservoir of bottom of tower is input to spray port circulated sprinkling by the circulating pump being arranged outside tower, three Layer microbe stuffing layer is respectively formed on liquid film, and odorous gas uplink is passed through three layers of packing layer, inversely connect with first order absorption liquid successively It touches, is escaped from top of tower after the bio-conversion processes of the absorption of first order absorption liquid and packing layer microorganism;In processing procedure, It is added in first order absorption liquid by overflow pipe from the two level absorbing liquid of two-level absorption tower overflow, maintains first order absorption liquid pH value For 3-6, first order absorption to odorous gas, bio-conversion processes are completed;It is operated for convenience of the circulated sprinkling of first order absorption liquid, storage First order absorption liquid has 1000mm depth, overflow discharge to Sewage Disposal hydrolysis acidification section or denitrification section in liquid bath;
B, two level absorption, bio-conversion processes:The tail gas escaped from first grade absorption tower is passed through two-level absorption tower, bottom of tower storage Two level absorbing liquid in liquid bath is input to spray port circulated sprinkling by the circulating pump being arranged outside tower, in three layers of microbe stuffing layer It is respectively formed on liquid film, tail gas uplink is passed through three layers of packing layer, inversely contacted with two level absorbing liquid, by two level absorbing liquid successively It is escaped from top of tower after the bio-conversion processes of absorption and packing layer microorganism, direct emission;In processing procedure, constantly to liquid storage The qualified discharge waste water of two level absorbing liquid supplement sewage disposal aerobic system in slot, it is 5-7 to maintain the pH of two level absorbing liquid, complete The two level absorption of pairs of odorous gas, bio-conversion processes;It is operated for convenience of the circulated sprinkling of two level absorbing liquid, two in reservoir There is grade absorbing liquid 1000mm depth, overflow to enter first grade absorption tower;
The two level absorbing liquid be sewage disposal aerobic system qualified discharge waste water in two-level absorption tower circulated sprinkling, The liquid that odorous gas obtains is absorbed, the first order absorption liquid is that the two level absorbing liquid in overflow to first grade absorption tower is inhaled in level-one It receives circulated sprinkling in tower, absorb the liquid that odorous gas obtains;
The additional amount of the qualified discharge waste water of sewage disposal aerobic system is inhaled by the level-one of overflow in the two-level absorption tower The control of liquid pH value is received, is overflow by what the pH monitors being arranged at the overflow pipe between first grade absorption tower and overflow mechanism detected The additional amount of the first order absorption liquid pH value control qualified discharge waste water of stream, when the first order absorption liquid pH value of overflow less than 3 or is higher than 6, the additional amount of qualified discharge waste water is increased or decreased, regulates and controls the pH value of two level absorbing liquid, and then regulate and control the pH of first order absorption liquid Value;
It is equal to control gas liquid ratio in first grade absorption tower, two-level absorption tower for the deodorizing effect for obtaining best for deodorizing process process For (50-100):1, gas void tower flow velocity is 0.3-0.8m/s.
The above method can be to emission intensity concentration≤500mg/m3, emission concentration of hydrogen sulfide≤4000mg/m3, VOC emission concentration ≤1000mg/m3Odorous gas handled.
Odorous gas is absorbed via above-mentioned deodorizing method, after bio-conversion processes, and escaping gas is through 25m chimney stacks Discharge, emission intensity rate≤14kg/h, hydrogen sulfide emission rate≤0.9kg/h, methyl mercaptan rate of discharge≤0.12kg/h, first sulphur Ether rate of discharge≤0.9kg/h, dimethyl disulfide rate of discharge≤1.2kg/h, carbon disulfide rate of discharge≤4.2kg/h, three Methylamine rate of discharge≤1.5kg/h, methanol emissions rate≤8.6kg/h, meets GB16297-1996《Atmosphere pollution synthesis row Put standard》And GB14554-93《Emission standard for odor pollutants》It is required that it is directly discharged to air, the first order absorption liquid row of spilling It puts to Sewage Disposal hydrolysis acidification section or denitrification section, is further processed.
Embodiment two
The present embodiment is related to influence of the control condition parameter to deodorization result in the deodorizing method of the utility model.
Use the deodorizing method of embodiment one to odorous gas (exhausted air quantity 40000m3/ h, a concentration of 400mg/ of emission intensity m3, emission concentration of hydrogen sulfide 3500mg/m3, a concentration of 500mg/m of methanol emissions3) handled, conditional parameter and deodorization knot Fruit is as shown in the table:
By upper table result as it can be seen that in the deodorizing method of the utility model, first order absorption liquid pH value, two level absorbing liquid pH value It controls, the control of the conditional parameters such as gas liquid ratio, gas void tower flow velocity in absorption tower is conducive to obtain more preferably deodorizing effect.Its In control for two level absorbing liquid pH value, the pH the high more is conducive to the absorption of odorous gas, but need to be inhaled to two level when pH is more than 7 It receives supplement alkali in liquid to obtain, increases treatment cost, when pH is more than 9 growths that can also influence microorganism in absorption tower, shadow instead Ring treatment effect.
In conclusion the method for eliminating malodours from gases based on microorganism of the utility model, using in sewage disposal aerobic system Waste water up to standard this waste and microorganism collective effect, can thoroughly eliminate the pollution of odorous gas, and at deodorization While reason carries out, the activity of packing layer microorganism is maintained well, realizes processing simple to odorous gas, efficient, continuous, Compared to conventional microbiological deodorizing method, not only treatment effect is excellent, stablizes, and can save the use of lye absorbing liquid with And operation of the running clearance to microorganism Additional nutrient solution, operation is convenient, of low cost, has significant economic benefit.

Claims (1)

1. a kind of eliminating malodours from gases device based on microorganism, it is characterised in that:It is inhaled including controller and sequentially connected level-one Receive tower, two-level absorption tower and chimney, in be both provided in the first grade absorption tower and two-level absorption tower three layers of microbe stuffing and Circulated sprinkling mechanism is respectively arranged with odorous gas import, level-one gas outlet and overflow port, in institute on the first grade absorption tower It states and is respectively arranged with secondary inlet mouth, two level gas outlet and leakage fluid dram and treatment fluid supply port on two-level absorption tower;
The overflow port is connected to Sewage Disposal, and the aerobic system that the treatment fluid supply port is connected to Sewage Disposal is up to standard Waste discharge tank, and the two-level absorption tower is connected to first grade absorption tower by overflow pipe, and in the overflow port and overflow It is respectively arranged with PH sensor in flow tube, electric control valve, the PH sensor and institute are additionally provided in the treatment fluid supply port It states electric control valve and is all connected to the controller;
Circulated sprinkling mechanism in the first grade absorption tower and two-level absorption tower is included in one layer of spray being arranged at tower top, institute The overflow height for stating overflow port and overflow pipe is not less than 1000mm, and the overflow port is connected at the hydrolysis acidification of Sewage Disposal Manage pond or denitrification processing pond;The height of the chimney is 25m.
CN201721272549.1U 2017-09-27 2017-09-27 Eliminating malodours from gases device based on microorganism Active CN207667413U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114768487A (en) * 2022-05-07 2022-07-22 江苏凯美酷碳科技有限公司 Circulating system for recycling solvent, performing gas-liquid separation and recycling wastewater and operating method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114768487A (en) * 2022-05-07 2022-07-22 江苏凯美酷碳科技有限公司 Circulating system for recycling solvent, performing gas-liquid separation and recycling wastewater and operating method thereof
CN114768487B (en) * 2022-05-07 2023-11-21 江苏凯美酷碳科技有限公司 Circulating system for solvent recovery gas-liquid separation and wastewater reuse and operation method thereof

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Address after: Room 706, Block B, White Commercial Plaza, No. 105 Huai'an East Road, Yuhua District, Shijiazhuang City, Hebei Province, 055550

Patentee after: Zhongxia Xujie Construction Technology Co.,Ltd.

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