CN103877851A - Sewage treatment plant deodorizing device with pH buffer function - Google Patents

Sewage treatment plant deodorizing device with pH buffer function Download PDF

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Publication number
CN103877851A
CN103877851A CN201410148728.9A CN201410148728A CN103877851A CN 103877851 A CN103877851 A CN 103877851A CN 201410148728 A CN201410148728 A CN 201410148728A CN 103877851 A CN103877851 A CN 103877851A
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China
Prior art keywords
sewage treatment
deodorizing
treatment plant
odor removal
cushioning effect
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Pending
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CN201410148728.9A
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Chinese (zh)
Inventor
姜涛
苏晓明
王雪
邵晓
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QINGDAO YINHE ENVIRONMENTAL PROTECTION CO Ltd
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QINGDAO YINHE ENVIRONMENTAL PROTECTION CO Ltd
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Priority to CN201410148728.9A priority Critical patent/CN103877851A/en
Publication of CN103877851A publication Critical patent/CN103877851A/en
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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

Abstract

The invention discloses a sewage treatment plant deodorizing device with a pH buffer function. The sewage treatment plant deodorizing device comprises a deodorizing tower and a supporting grating which is arranged in the deodorizing tower, wherein the side wall of the deodorizing tower is provided with an air inlet which is arranged below the supporting grating, the top end of the deodorizing tower is provided with an air outlet, oyster shell filler is stacked above the supporting grating, the oyster shell filler is mixed with a deodorizing and sterilizing agent, and a spraying device is arranged above the oyster shell filler. In the deodorizing device, the oyster shell filler is not only a carrier of the deodorizing and sterilizing agent in a biological filter tank, but also used as a pH buffer agent for stabilizing the pH range in the biological filter tank, so that the activity of the microorganism can be maintained, the harm of the acid substances on the biological filter tank can be reduced, and the odor gas can be high-efficiently and stably eliminated.

Description

A kind of sewage treatment plant's odor removal with pH cushioning effect
Technical field
The present invention relates to technical field of waste gas treatment, relate in particular to a kind of sewage treatment plant's odor removal of the pH of having cushioning effect.
Background technology
Foul gas not only causes and has a strong impact on ecological environment, and health is had to great harm, and [Dan is known from experience makes nervous centralis produce obstacle, pathology, causes chronic disease, acute disease.At present, various foul gas processing methods mainly, by the effect of physics, chemistry, biology, change the structure of matter of foul gas, thereby eliminate stench.Conventional foul gas processing method has combustion method, oxidizing process, absorption process, absorption method, neutralisation and bioanalysis etc.
Biofilter is the one of biological odor removal method, and main deodorizing principle is, by special cultivation microorganism on biologic packing material in biofilter, waste odour-gas molecule is carried out to decomposition and inversion, thereby reaches the object of deodorizing.Biofilter, because its cost is lower, convenient operation, is widely used in the easily place of generation foul smell such as garbage transfer station, sewage treatment plant.
The topmost part in biofilter is filler, and the filler of biofilter is mainly divided into organic and inorganic two large classes at present.Inorganic filler mainly contains sand, carbonate, various inorganic glass materials, zeolites, pottery, active carbon etc.; Organic filler mostly is soil, compost, wood fragments bits, bark, leaf, polypropylene pellets, plastic hoop etc.Foul gas in biological treatment process, chlorinated organics and H 2s can produce the acidic materials such as hydrochloric acid, sulfuric acid, organic substance decomposing can produce carbon dioxide, and these acidic materials and carbon dioxide all can cause the pH in biofilter to decline, and not only affect the biochemical action of microorganism, also can corrode packed bed, shorten the life-span of biofilter.
Visible, traditional organic filler is easily subject to the corrosion of acidic materials in the processing procedure of foul gas, thereby causes the lost of life of biofilter, affects the effect of foul smell processing; Although traditional inorganic filler to a certain extent can be corrosion-resistant, the organic substance that cannot provide microorganism to need, and do not there is pH buffering and regulatory function.
Therefore, how providing a kind of sewage treatment plant's odor removal of the pH of having cushioning effect, and reduce the infringement of acidic materials to biofilter, is the current technical issues that need to address of those skilled in the art.
Summary of the invention
In view of this, the invention provides a kind of sewage treatment plant's odor removal of the pH of having cushioning effect, the infringement for reducing acidic materials to biofilter, and there is pH cushioning effect.
In order to address the above problem, the invention provides a kind of sewage treatment plant's odor removal of the pH of having cushioning effect, comprise deodorizing tower and the supportive grid that is arranged at described deodorizing tower inside, the sidewall of described deodorizing tower is provided with the air inlet that is positioned at described supportive grid below, the top of described deodorizing tower is provided with gas outlet, the top of described supportive grid is stacked with shuck filling, in described shuck filling, is mixed with deodorizing microorganism, and the top of described shuck filling is provided with spray equipment.
Preferably, the below of described supportive grid is provided with the distribution device in gas-fluid being communicated with described air inlet, and described distribution device in gas-fluid is provided with multiple fumaroles that are uniformly distributed in described supportive grid below.
Preferably, described supportive grid top is equipped with woven wire, and described woven wire top is stacked with described shuck filling.
Preferably, the bottom of described deodorizing tower is provided with spray pond, and the sidewall of described deodorizing tower is provided with the discharge outlet communicating with described spray pond.
Preferably, described spray equipment is communicated with described spray pond by water pump.
Preferably, the top of described spray equipment is provided with demister.
Preferably, described air inlet is connected with the blower fan that is arranged at described deodorizing tower outside by pipeline, and described air inlet and described gas outlet are equipped with valve.
Preferably, described spray equipment is provided with multiple hole for water sprayings that are uniformly distributed in described shuck filling top.
Preferably, described shuck filling process rinsing and solarization dry-cure before mixing with described deodorizing microorganism.
Sewage treatment plant's odor removal with pH cushioning effect provided by the invention, comprise deodorizing tower and the supportive grid that is arranged at deodorizing tower inside, the sidewall of deodorizing tower is provided with the air inlet that is positioned at supportive grid below, the top of deodorizing tower is provided with gas outlet, the top of supportive grid is stacked with shuck filling, in shuck filling, be mixed with deodorizing microorganism, the top of shuck filling is provided with spray equipment.The course of work of the odor removal of this programme is as follows: foul smell enters deodorizing tower inside through air inlet, and foul smell is flowed through and is mixed with the shuck filling of deodorizing microorganism, goes down except the H in foul smell in the effect of microorganism 2s and NH 3deng odorant, reach the object of deodorization, the gas after deodorizing is through the discharge of the gas outlet on deodorizing tower top.Spray equipment, for water being sprayed to the surface of shuck filling, can be removed gas componant soluble in water in foul smell on the one hand, can ensure on the other hand the water content of filler, keeps the biologically active of microorganism.
The shuck filling using in odor removal of the present invention, can take from oyster bed or marine products garbage reclamation station etc., and its specific area is large, voidage is high, is applicable to microbial growth.Owing to containing abundant calcium carbonate in oyster shell, can be under the condition of weak acid, stripping Ca gradually 2+, by the H in conjunction with in water +and the OH that dissociates -, the effect that can serve as pH buffer, keeps pH in biofilter to fluctuate in stability range.Meanwhile, oyster shell is mainly made up of the organic matter such as mineral matter and proteoglycan, has certain biologically active, and has abundant natural porous surface, is suitable for very much the carrier as deodorizing microorganism in biofilter, processes foul gas.Compared with existing deodorizing filler, shuck filling is with low cost, wide material sources, and processing is simple, and has the advantages that to regulate pH in biofilter, can be widely used in the exhaust-gas treatment of composting plant, destructor plant, sewage treatment plant.
Visible, in odor removal provided by the invention, shuck filling is not only the carrier of deodorizing microorganism in biofilter, simultaneously as pH buffer, pH scope in stabilate filter tank, keep the activity of microorganism, reduce the infringement of acidic materials for biofilter, thereby realize foul gas by efficiently, stably remove.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of sewage treatment plant's odor removal with pH cushioning effect that Fig. 1 provides for specific embodiment of the invention scheme;
In Fig. 1:
Deodorizing tower-1, spray equipment-2, shuck filling-3, blower fan-4, air intake valve-5, air inlet-6, distribution device in gas-fluid-7, spray pond-8, water discharging valve-9, water pump-10, supportive grid-11, gas outlet-12, demister-13.
Detailed description of the invention
Core of the present invention is to provide a kind of sewage treatment plant's odor removal of the pH of having cushioning effect, the infringement for reducing acidic materials to biofilter, and there is pH cushioning effect.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, the structural representation of sewage treatment plant's odor removal with pH cushioning effect that Fig. 1 provides for specific embodiment of the invention scheme.
In a kind of specific embodiment, the invention provides a kind of sewage treatment plant's odor removal of the pH of having cushioning effect, comprise deodorizing tower 1 and the supportive grid 11 that is arranged at deodorizing tower 1 inside; The sidewall of deodorizing tower 1 is provided with air inlet 6, and air inlet 6 is positioned at the below of supportive grid 11, is the entrance that pending foul smell enters deodorizing tower 1; The top of deodorizing tower 1 is provided with gas outlet 12, for gas after treatment is discharged; The top of supportive grid 11 is stacked with shuck filling 3, in shuck filling 3, is mixed with deodorizing microorganism, and the top of shuck filling 3 is provided with spray equipment 2.
Concrete, the deodorizing microorganism in this programme is deodorizing microorganism of the prior art well known to those skilled in the art, the present invention is not specifically limited, so locate to repeat no more.
The course of work of the odor removal of this programme is as follows: foul smell enters deodorizing tower 1 inside through air inlet 6, and foul smell is flowed through and is mixed with the shuck filling 3 of deodorizing microorganism, goes down except the H in foul smell in the effect of microorganism 2s and NH 3deng odorant, reach the object of deodorization, the gas after deodorizing discharges through the gas outlet 12 on deodorizing tower 1 top.Spray equipment 2, for water being sprayed to the surface of shuck filling 3, can be removed gas componant soluble in water in foul smell on the one hand, can ensure on the other hand the water content of filler, keeps the biologically active of microorganism.
It should be noted that, this programme adopts the filler of oyster shell as biofilter.Owing to containing abundant calcium carbonate in oyster shell, can be under the condition of weak acid, stripping Ca gradually 2+, by the H in conjunction with in water +and the OH that dissociates -, the effect that can serve as pH buffer, keeps pH in biofilter to fluctuate in stability range.Simultaneously oyster shell is mainly made up of the organic matter such as mineral matter and proteoglycan, has certain biologically active, and has abundant natural porous surface, is suitable for very much in biofilter, as biomembranous carrier, processing foul gas.
The shuck filling 3 using in odor removal of the present invention, can take from oyster bed or marine products garbage reclamation station etc., and its specific area is large, voidage is high, is applicable to microbial growth.Compared with existing deodorizing filler, shuck filling 3 with low cost, wide material sources, processing is simple, and has the advantages that to regulate pH in biofilter, can be widely used in the exhaust-gas treatment of composting plant, destructor plant, sewage treatment plant.Preferably, the shuck filling 3 in this programme through rinsing and solarization dry-cure, to remove the impurity accumulating in oyster shell, thereby was more conducive to the cultivation of deodorizing microorganism before mixing with deodorizing microorganism.
Preferably, supportive grid 11 tops are equipped with woven wire, and woven wire top is stacked with shuck filling 3.Concrete, can select mesh to be less than the woven wire of oyster shell size, so arrange, can prevent that shuck filling 3 from blasting in process and being scattered out by the space of supportive grid 11 at foul smell.
Concrete, in this programme, in deodorizing tower 1, being also provided with distribution device in gas-fluid 7, distribution device in gas-fluid 7 is positioned at the below of supportive grid 11 and is communicated with air inlet 6, for the foul smell that blasts deodorizing tower 1 is further disperseed.Preferably, distribution device in gas-fluid 7 is provided with multiple fumaroles, and multiple fumaroles are uniformly distributed in the below of supportive grid 11, so just can further make foul smell be sprayed on equably shuck filling 3, thereby improves the efficiency of processing foul smell.
Preferably, air inlet 6 is connected with the blower fan 4 that is arranged at deodorizing tower 1 outside by pipeline, air inlet 6 is provided with air intake valve 5, and gas outlet 12 is also provided with valve, arranges that valve can conveniently be controlled gas communication and convenient operation is keeped in repair etc. in the inside of deodorizing tower 1.
Concrete, the bottom of deodorizing tower 1 is provided with spray pond 8, and spray pond 8 sprays and the water of the shuck filling 3 of flowing through for depositing by spray equipment 2, and the sidewall of deodorizing tower 1 is provided with the discharge outlet communicating with spray pond 8.If the ponding in deodorizing tower 1 bottom spray pond 8 is too much, open the water discharging valve 9 at discharge outlet place, unnecessary sewage is discharged.
It should be noted that, just the water spraying due to spray equipment 2 is through repeatedly not continuing to use after circulated sprinkling, so, for saving water resource, the water that this programme preferably sprays spray equipment 2 carries out several and recycles, until water quality is discharged deodorizing tower 1 after defective again.Concrete, the spray equipment 2 in this programme is communicated with spray pond 8 by water pump 10, thereby realizes recycling of water.
Preferably, spray equipment 2 is provided with multiple hole for water sprayings that are uniformly distributed in shuck filling 3 tops.In deodorisation process, by water pump 10, the water in spray pond 8 is evenly sprayed to the surface of shuck filling 3 by the spray equipment 2 at deodorizing tower 1 top, can remove gas componant soluble in water in foul smell on the one hand, the moisture content of additional fillers on the other hand, keeps the biologically active of microorganism.
Gas rises to the top of deodorizing tower 1 after processing through shuck filling 3, because the top of deodorizing tower 1 is provided with spray equipment 2, so, when gas may occur water smoke or foam etc. in the process of discharge deodorizing tower 1, preferably, in this programme, above spray equipment 2, be also provided with demister 13, for the steam of gas is eliminated, thereby discharge dry gas.Demister 13 in this programme can adopt demister well known to those skilled in the art, is not specifically limited herein.
In odor removal provided by the invention, shuck filling 3 is not only the carrier of deodorizing microorganism in biofilter, simultaneously as pH buffer, pH scope in stabilate filter tank, keep the activity of microorganism, reduce acidic materials for the infringement of biofilter, thereby realize foul gas by efficiently, stably remove.This programme has following beneficial effect: 1, can regulate voluntarily the pH in biofilter, thereby strengthen the deodorizing capability of microorganism; 2, extend the life-span of biofilter, reduced cost; 3, automaticity is high, can ensure unmanned continuous and steady operation; 4, power consumption is little, noiselessness.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (9)

1. one kind has sewage treatment plant's odor removal of pH cushioning effect, comprise deodorizing tower (1) and be arranged at the inner supportive grid (11) of described deodorizing tower (1), the sidewall of described deodorizing tower (1) is provided with the air inlet (6) that is positioned at described supportive grid (11) below, the top of described deodorizing tower (1) is provided with gas outlet (12), it is characterized in that, the top of described supportive grid (11) is stacked with shuck filling (3), described shuck filling is mixed with deodorizing microorganism in (3), and the top of described shuck filling (3) is provided with spray equipment (2).
2. sewage treatment plant's odor removal with pH cushioning effect according to claim 1, it is characterized in that, the below of described supportive grid (11) is provided with the distribution device in gas-fluid (7) being communicated with described air inlet (6), and described distribution device in gas-fluid (7) is provided with multiple fumaroles that are uniformly distributed in described supportive grid (11) below.
3. sewage treatment plant's odor removal with pH cushioning effect according to claim 1, is characterized in that, described supportive grid (11) top is equipped with woven wire, and described woven wire top is stacked with described shuck filling (3).
4. sewage treatment plant's odor removal with pH cushioning effect according to claim 1, it is characterized in that, the bottom of described deodorizing tower (1) is provided with spray pond (8), and the sidewall of described deodorizing tower (1) is provided with the discharge outlet communicating with described spray pond (8).
5. sewage treatment plant's odor removal with pH cushioning effect according to claim 4, is characterized in that, described spray equipment (2) is communicated with described spray pond (8) by water pump (10).
6. sewage treatment plant's odor removal with pH cushioning effect according to claim 1, is characterized in that, the top of described spray equipment (2) is provided with demister (13).
7. sewage treatment plant's odor removal with pH cushioning effect according to claim 1, it is characterized in that, described air inlet (6) is connected with and is arranged at the outside blower fan (4) of described deodorizing tower (1) by pipeline, and described air inlet (6) and described gas outlet (12) are equipped with valve.
8. sewage treatment plant's odor removal with pH cushioning effect according to claim 1, is characterized in that, described spray equipment (2) is provided with multiple hole for water sprayings that are uniformly distributed in described shuck filling (3) top.
9. according to the sewage treatment plant's odor removal with pH cushioning effect described in claim 1 to 8 any one, it is characterized in that, described shuck filling (3) is process rinsing and solarization dry-cure before mixing with described deodorizing microorganism.
CN201410148728.9A 2014-04-14 2014-04-14 Sewage treatment plant deodorizing device with pH buffer function Pending CN103877851A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106000081A (en) * 2016-06-30 2016-10-12 河海大学 Waste gas purification apparatus and method for printing and dyeing wastewater treatment station
CN107185395A (en) * 2017-07-07 2017-09-22 西原环保工程(上海)有限公司 The method of its deodorization of odor removal and application
CN107758872A (en) * 2017-11-17 2018-03-06 大连诚高科技股份有限公司 Sewage cell system with deodorizing effect
CN113457430A (en) * 2021-07-30 2021-10-01 武汉宝捷能环境工程技术有限公司 Anti-hardening and anti-acid-etching fluffy type biological deodorization composite filler

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59199018A (en) * 1983-04-27 1984-11-12 Fuso:Kk Deodorizing method
CN202844876U (en) * 2012-08-23 2013-04-03 江苏碧程环保设备有限公司 Novel high-efficiency biological deodorization purifier
CN202962240U (en) * 2012-11-29 2013-06-05 江苏三强环境工程有限公司 Novel biological deodorization system
CN103657395A (en) * 2012-09-19 2014-03-26 财团法人交大思源基金会 System and method for reducing hydrogen sulfide in gas

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59199018A (en) * 1983-04-27 1984-11-12 Fuso:Kk Deodorizing method
CN202844876U (en) * 2012-08-23 2013-04-03 江苏碧程环保设备有限公司 Novel high-efficiency biological deodorization purifier
CN103657395A (en) * 2012-09-19 2014-03-26 财团法人交大思源基金会 System and method for reducing hydrogen sulfide in gas
CN202962240U (en) * 2012-11-29 2013-06-05 江苏三强环境工程有限公司 Novel biological deodorization system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106000081A (en) * 2016-06-30 2016-10-12 河海大学 Waste gas purification apparatus and method for printing and dyeing wastewater treatment station
CN107185395A (en) * 2017-07-07 2017-09-22 西原环保工程(上海)有限公司 The method of its deodorization of odor removal and application
CN107758872A (en) * 2017-11-17 2018-03-06 大连诚高科技股份有限公司 Sewage cell system with deodorizing effect
CN113457430A (en) * 2021-07-30 2021-10-01 武汉宝捷能环境工程技术有限公司 Anti-hardening and anti-acid-etching fluffy type biological deodorization composite filler

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Application publication date: 20140625