CN109974016A - Trash repository deodoration system and method - Google Patents
Trash repository deodoration system and method Download PDFInfo
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- CN109974016A CN109974016A CN201910299988.9A CN201910299988A CN109974016A CN 109974016 A CN109974016 A CN 109974016A CN 201910299988 A CN201910299988 A CN 201910299988A CN 109974016 A CN109974016 A CN 109974016A
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- Prior art keywords
- foul smell
- deodorization
- preheating
- air
- gas
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000007789 gas Substances 0.000 claims abstract description 126
- 238000002485 combustion reaction Methods 0.000 claims abstract description 102
- 238000004332 deodorization Methods 0.000 claims abstract description 82
- 239000000567 combustion gas Substances 0.000 claims abstract description 30
- 239000000446 fuel Substances 0.000 claims abstract description 24
- 239000002737 fuel gas Substances 0.000 claims abstract description 9
- 238000011084 recovery Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 4
- 238000000746 purification Methods 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 9
- 239000002351 wastewater Substances 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 description 40
- 231100000719 pollutant Toxicity 0.000 description 40
- 239000003205 fragrance Substances 0.000 description 31
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 18
- 230000001877 deodorizing effect Effects 0.000 description 11
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 9
- 229910021529 ammonia Inorganic materials 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 9
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 9
- 239000012855 volatile organic compound Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 8
- HRKQOINLCJTGBK-UHFFFAOYSA-N dihydroxidosulfur Chemical compound OSO HRKQOINLCJTGBK-UHFFFAOYSA-N 0.000 description 8
- 238000002156 mixing Methods 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 230000005802 health problem Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 238000011953 bioanalysis Methods 0.000 description 3
- 238000002306 biochemical method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010057249 Phagocytosis Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000008782 phagocytosis Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
- F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Treating Waste Gases (AREA)
- Incineration Of Waste (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a kind of trash repository deodoration system and method, which includes: trash repository, has air-exhausting duct and multiple Dump gates, and air-exhausting duct is disposed with multiple air inlets close to Dump gate on air-exhausting duct；Blower, blower are connected with the air-exhausting duct of trash repository；Flame combustion furnace, flame combustion furnace include: foul smell preheating chamber, and foul smell preheating chamber is with offgas outlet after high-temperature tail gas entrance, the outlet of preheating foul smell and deodorization after foul smell entrance, deodorization；Burner, burner have fuel inlet, fuel gas inlet and combustion gas are helped to export；Combustion chamber is disposed with baffle in combustion chamber, and there is high-temperature tail gas after preheating foul smell entrance and deodorization to export, and the combustion gas outlet of burner is located at the preheating foul smell entrance of combustion chamber.The system can make the purification efficiency of foul smell in trash repository reach 99% or more, after gained deodorization tail gas can direct emission, and do not generate other waste water, exhaust gas or waste residue during entire Odor control, system is applied widely not by natural conditions and environmental restrictions.
Description
Technical field
The invention belongs to rubbish exhaust-gas treatment fields, specifically, the present invention relates to trash repository deodoration system and methods.
Background technique
House refuse generates foul gas in trash repository stockpiling fermentation treatments, main component be ammonia, hydrogen sulfide,
Thio-alcohol and volatile organic compounds.Foul gas threshold concentration is lower, influences production and operation personnel health, sets to production
It is standby to cause certain corrosion.If foul gas escapes, the production of periphery enterprises and institutions and residential area resident living are caused to perplex,
Cause serious human health damage and eco-environmental impact.
Foul gas processing method when domestic garbage treatment plant incinerator blowing out includes absorption method, absorption process, bioanalysis
Deng.
Absorption method generallys use active carbon as adsorbent material.The active carbon newly loaded is higher to odor purification efficiency, but
As the foul smell amount of activated carbon adsorption tends to be saturated, adsorption efficiency reduces very fast.Average cleanup efficiency of the active carbon to foul smell
Typically less than 80%.Active carbon is regenerated or is replaced after reaching saturation, is unable to continuous processing pernicious gas, and uncomfortable
Close the exhaust gas of processing high temperature, high humidity, Gao Hanchen.Because of up to 40 kinds or more of chemical component contained in foul smell, absorption process needs are set
The reaction unit of two-stage or more is set, that is, needs consumption acids, aqueous slkali to handle alkaline foul smell and acid foul smell respectively, and treated
Waste liquid complex chemical composition need to be sent into waste water disposal facility disposition, if liquid waste processing is improper to will cause secondary pollution.Usually absorb
Method is to the purification efficiency of foul smell 90% or so.Bioanalysis relies on bacterium " phagocytosis " foul smell.Biochemical method installation area
Greatly, compared with absorption method, when handling same volume foul smell, the volume of Biochemical method device is 12~15 times of absorption method, and
Foul smell and biological bacteria time of contact could preferably purify foul smell up to 40~60 seconds during processing, and foul gas absorbs speed
Degree is slow, purification efficiency is low, its usual purification efficiency is between absorption method and absorption process.And severe cold area, cold district and
The winter of part hot-summer and cold-winter area cannot provide suitable survival temperature because outside air temperature is low for bacterium, and bacterial reproduction is slow
Even there is mortality, leads to Biochemical method failure of apparatus.Therefore the use of bioanalysis by natural conditions and uses ground
Domain limitation.
Therefore, the technology of existing processing refuse odor is further improved.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of trash repository deodoration system and method.The system may make the purification efficiency of foul smell in trash repository to reach
To 99% or more, and the odorant pollutant discharge value after processing after resulting deodorization in tail gas meets national standard " odorant pollutant row
Put standard " the emission standard for odor pollutants value of (GB14554-93) and the requirement of factory's circle standard value second level, while at entire foul smell
Other waste water, exhaust gas or waste residue are not generated during reason, and the system is in use by natural conditions and environmental restrictions,
It is applied widely.
In one aspect of the invention, the invention proposes a kind of trash repository deodoration systems, according to an embodiment of the invention,
The system includes:
Trash repository, the trash repository have air-exhausting duct and multiple Dump gates, the air-exhausting duct close to the Dump gate, and
Multiple air inlets are disposed on the air-exhausting duct；
Blower, the blower are connected with the air-exhausting duct of the trash repository；
Flame combustion furnace, the flame combustion furnace include:
Foul smell preheating chamber, the foul smell preheating chamber have high-temperature tail gas entrance, the outlet of preheating foul smell after foul smell entrance, deodorization
With offgas outlet after deodorization, the foul smell entrance is connected with the blower；
Burner, the burner have fuel inlet, fuel gas inlet and combustion gas are helped to export；
Combustion chamber is disposed with baffle in the combustion chamber, there is high-temperature tail gas after preheating foul smell entrance and deodorization to export, institute
The combustion gas outlet for stating burner is located at the preheating foul smell entrance of the combustion chamber, the preheating foul smell entrance
It is connected with preheating foul smell outlet, high-temperature tail gas outlet is connected with high-temperature tail gas entrance after the deodorization after the deodorization.
Trash repository deodoration system according to an embodiment of the present invention, by setting up air-exhausting duct in trash repository, and by air-exhausting duct
It is set near Dump gate, and arranges multiple air inlets on air-exhausting duct, can in time arrange the foul gas in trash repository as a result,
Trash repository out, the appearance for avoiding the occurrence of foul gas leakage pollution environment, endangering staff's health problem；By using blower
It is connected with the air-exhausting duct in trash repository, can be realized the foul smell in trash repository continuously by negative pressure in air-blower control trash repository
Discharge, while the foul smell amount in flame combustion furnace can be entered by air-blower control；It is pre- by the way that foul smell is arranged in flame combustion furnace
Hot cell can be preheated before foul smell is burnt using high-temperature tail gas after the resulting deodorization in combustion chamber, and burner is reduced
Energy consumption, while realizing primary utilization to high-temperature tail gas heat after deodorization；In burner, fuel and quilt after combustion gas mixing is helped
It lights, burning gas flame is injected into combustion chamber, and preheating foul smell is mixed with high-temp combustion gas, ammonia, hydrogen sulfide in preheating foul smell,
The odorant pollutants such as thio-alcohol and volatile organic compounds are sufficiently burned, and realize the purpose of deodorization；By in the combustion chamber
Baffle is set, the turbulence intensity of burning indoor air flow can be increased, increases foul smell in the residence time of combustion chamber, and then guarantee foul smell
In odorant pollutant can full combustion be totally in the combustion chamber.Pass through above system as a result, the purification effect of foul smell in trash repository
Rate can reach 99% or more, and the odorant pollutant discharge value after processing after resulting deodorization in tail gas meets national standard " stench dirt
Contaminate object discharge standard " the emission standard for odor pollutants value and the requirement of factory's circle standard value second level of (GB14554-93), and meanwhile it is entire
Other waste water, exhaust gas or waste residue are not generated during Odor control, and the system is not in use by natural conditions and ring
Border limitation, it is applied widely.
In addition, trash repository deodoration system according to the above embodiment of the present invention can also have following additional technology special
Sign:
In some embodiments of the invention, above-mentioned trash repository deodoration system further comprises: tail gas heat quantity recyclable device,
The tail gas heat quantity recyclable device have deodorization after gas inlet and cooling offgas outlet, after the deodorization gas inlet with it is described
Offgas outlet is connected after deodorization.Thus, it can be achieved that secondary use to high-temperature tail gas heat after deodorization.
In some embodiments of the invention, the quantity of the air inlet is consistent with the quantity of the Dump gate.As a result, may be used
Foul smell in trash repository is further avoided to reveal.
In some embodiments of the invention, the air inlet is in the surface of the Dump gate.It can further keep away as a result,
Exempt from foul smell in trash repository to reveal.
In some embodiments of the invention, the blower is that variable ratio frequency changer adjusts blower.Frequency conversion realization pair can be passed through as a result,
The output of trash repository foul smell and conveying capacity to flame combustion furnace foul smell.
In some embodiments of the invention, there is baffle described in muti-piece in the combustion chamber.It can further increase as a result,
The turbulence intensity of burning indoor air flow, improves the deodorizing rate of foul smell.
In another aspect of the invention, trash repository is carried out according to above-mentioned trash repository deodoration system the invention proposes a kind of
The method of deodorization, according to an embodiment of the invention, this method comprises:
The foul smell in the trash repository is discharged by the air inlet and aspiration channel；
Pass through the discharge rate of foul smell in trash repository described in the air-blower control and the air output of blower；
High-temperature tail gas carries out after the foul smell is supplied the foul smell preheating chamber and deodorization to the flame combustion furnace
Heat exchange by fuel and helps fuel gas supply to the burner to burn to obtain tail gas after preheating foul smell and deodorization, so as to
Combustion gas is obtained, the preheating foul smell is sent by air inlet to the combustion chamber and combustion gas mixed firinor fuel burning, so as to
High-temperature tail gas after to deodorization, and high-temperature tail gas after the deodorization is sent to the foul smell preheating chamber.
Trash repository deodorizing methods according to an embodiment of the present invention, by setting up air-exhausting duct in trash repository, and by air-exhausting duct
It is set near Dump gate, and arranges multiple air inlets on air-exhausting duct, can in time arrange the foul gas in trash repository as a result,
Trash repository out, the appearance for avoiding the occurrence of foul gas leakage pollution environment, endangering staff's health problem；By using blower
It is connected with the air-exhausting duct in trash repository, can be realized the foul smell in trash repository continuously by negative pressure in air-blower control trash repository
Discharge, while the foul smell amount in flame combustion furnace can be entered by air-blower control；It is pre- by the way that foul smell is arranged in flame combustion furnace
Hot cell can be preheated before foul smell is burnt using high-temperature tail gas after the resulting deodorization in combustion chamber, and burner is reduced
Energy consumption, while realizing primary utilization to high-temperature tail gas heat after deodorization；In burner, fuel and quilt after combustion gas mixing is helped
It lights, burning gas flame is injected into combustion chamber, and preheating foul smell is mixed with high-temp combustion gas, ammonia, hydrogen sulfide in preheating foul smell,
The odorant pollutants such as thio-alcohol and volatile organic compounds are sufficiently burned, and realize the purpose of deodorization；By in the combustion chamber
Baffle is set, the turbulence intensity of burning indoor air flow can be increased, increases foul smell in the residence time of combustion chamber, and then guarantee foul smell
In odorant pollutant can full combustion be totally in the combustion chamber.Pass through the above method as a result, the purification effect of foul smell in trash repository
Rate can reach 99% or more, and the odorant pollutant discharge value after processing after resulting deodorization in tail gas meets national standard " stench dirt
Contaminate object discharge standard " the emission standard for odor pollutants value and the requirement of factory's circle standard value second level of (GB14554-93), and meanwhile it is entire
Other waste water, exhaust gas or waste residue are not generated during Odor control, and this method is not in use by natural conditions and ring
Border limitation, it is applied widely.
In addition, trash repository deodorizing methods according to the above embodiment of the present invention can also have following additional technology special
Sign:
In some embodiments of the invention, above-mentioned trash repository deodorizing methods further comprises: by tail gas after the deodorization
Heat recovery is carried out, so as to tail gas after being cooled down.Thus, it can be achieved that secondary use to high-temperature tail gas heat after deodorization.
In some embodiments of the invention, the temperature of the preheating foul smell is 250-300 degrees Celsius.Hereby it is achieved that
Preheating to trash repository foul smell reduces the energy consumption of burner, while realizing the primary utilization to high-temperature tail gas heat after deodorization.
In some embodiments of the invention, the temperature of the combustion chamber is 760-820 degrees Celsius.It as a result, can be by foul smell
In odorant pollutant burning totally.
In some embodiments of the invention, the preheating foul smell is not less than 0.5s in the time that the combustion chamber is resident.
It can be further ensured that the odorant pollutant in foul smell burns totally as a result,.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of trash repository deodoration system according to an embodiment of the invention；
Fig. 2 is the structural schematic diagram of flame combustion furnace according to an embodiment of the invention；
Fig. 3 is the trash repository deodoration system structural schematic diagram of further embodiment according to the present invention；
Fig. 4 is trash repository deodorizing methods flow diagram according to an embodiment of the invention；
Fig. 5 is the trash repository deodorizing methods flow diagram of further embodiment according to the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In one aspect of the invention, the invention proposes a kind of trash repository deodoration systems, according to an embodiment of the invention,
With reference to Fig. 1, which includes: trash repository 100, blower 200 and flame combustion furnace 300.
According to an embodiment of the invention, trash repository 100 has air-exhausting duct 110 and multiple Dump gates 120, air-exhausting duct 110 is leaned on
Nearly Dump gate 120, and multiple air inlets 111 are disposed on air-exhausting duct 110, and being suitable for will be smelly in trash repository by air inlet
Trash repository is discharged through air-exhausting duct in gas.Inventors have found that being set to discharging by setting up air-exhausting duct in trash repository, and by air-exhausting duct
Near door, and multiple air inlets are arranged on air-exhausting duct, trash repository can be discharged in the foul gas in trash repository in time as a result,
The appearance for avoiding the occurrence of foul gas leakage pollution environment, endangering staff's health problem.By using above-mentioned trash repository
Exhaust system, may make can be reduced to the 1/3~1/4 of conventional method suction air volume from trash repository suction air volume, and still can guarantee
Trash repository foul smell does not escape.
According to one embodiment of present invention, the quantity of quantity with Dump gate 120 of air inlet 111 is consistent, it is preferred that inhales
Air port 111 is in the surface of Dump gate 120.The foul smell in trash repository can be discharged in time by air inlet as a result, avoid rubbish
Foul smell is leaked out by Dump gate in storehouse, while can reduce system cost.
According to an embodiment of the invention, blower 200 is connected with the air-exhausting duct 110 of trash repository 100, and it is suitable for control output rubbish
The foul smell amount in rubbish storehouse.Inventors have found that being connected by using blower with the air-exhausting duct in trash repository, air-blower control rubbish can be passed through
Negative pressure in storehouse, the foul smell in trash repository is continuously discharged for realization, while can be entered in flame combustion furnace by air-blower control
Foul smell amount.
According to one embodiment of present invention, blower 200 is that variable ratio frequency changer adjusts blower.Number is opened in strict control Dump gate
Amount and time, and stop under the premise of external exhaust gas is discharged into trash repository, it can be in 30000m from the suction air volume of trash repository3/ h~
20000m3It is adjusted between/h.The foul smell of the exhaust air rate and feeding flame combustion room that can be more convenient in control trash repository as a result,
Amount.
According to an embodiment of the invention, flame combustion furnace 300 includes: foul smell preheating chamber 310, burner 320 with reference to Fig. 2
With combustion chamber 330.Specifically, it should be noted that the concrete shape of flame combustion furnace is not particularly restricted, such as can be
It is cylinder-shaped or rectangular.
According to one embodiment of present invention, there is foul smell preheating chamber 310 high-temperature tail gas after foul smell entrance 311, deodorization to enter
Offgas outlet 314 after mouth 312, preheating foul smell outlet 313 and deodorization, foul smell entrance 311 is connected with blower 200, and is suitable for smelly
High-temperature tail gas preheats after gas deodorization, to obtain tail gas after preheating foul smell and deodorization.Specifically, foul smell preheating is used and is changed indirectly
The mode of heat.Inventors have found that by flame combustion furnace be arranged foul smell preheating chamber, can before foul smell is burnt,
It is preheated using high-temperature tail gas after the resulting deodorization in combustion chamber, reduces the energy consumption of burner, while realizing to high temperature after deodorization
The primary utilization of tail gas heat quantity.
A specific embodiment according to the present invention, the temperature for preheating foul smell is 250-300 degrees Celsius.Hereby it is achieved that
The recycling of high-temperature tail gas heat after deodorization, can significantly reduce the energy consumption of subsequent combustion device, while subsequent combustion room can be improved
The interior odor removal efficient to foul smell.
Still another embodiment in accordance with the present invention, burner 320 have fuel inlet 321, help fuel gas inlet 322 and burning
Gas outlet 323, and be suitable for for fuel and combustion-supporting gas being mixed and burned, to obtain combustion gas.Specifically, in burner, fuel
With help combustion gas mixing after be ignited, burning gas flame be injected into combustion chamber.Fuel can be liquid fuel or fuel gas, it is combustion-supporting
Gas can be air.
According to still another embodiment of the invention, it is disposed with baffle 331 in combustion chamber 330, there is preheating foul smell entrance 332
With high-temperature tail gas outlet 333 after deodorization, the combustion gas outlet 323 of burner 320 is located at the preheating foul smell entrance of combustion chamber 330
Near 332, preheats foul smell entrance 332 and be connected with preheating foul smell outlet 313, high-temperature tail gas outlet 333 and height after deodorization after deodorization
Warm gas inlet 312 is connected, and is suitable for preheat foul smell and combustion gas mixed firinor fuel burning, to obtain high-temperature tail gas after deodorization.Tool
Body, preheating foul smell can enter combustion chamber from combustion gas, that is, flame surrounding, i.e., in cross-sectional direction, preheat foul smell entrance ring around
Combustion gas outlet setting.Inventors have found that preheating ammonia, the hydrogen sulfide, sulphur in foul smell after preheating foul smell is mixed with high-temp combustion gas
The odorant pollutants such as alcohols and volatile organic compounds are sufficiently burned, and realize the purpose of deodorization；By setting in the combustion chamber
Baffle is set, the turbulence intensity of burning indoor air flow can be increased, increases foul smell in the residence time of combustion chamber, and then guarantee in foul smell
Odorant pollutant can full combustion be totally in the combustion chamber.Odorant pollutant discharge value is full in high-temperature tail gas after resulting deodorization
The emission standard for odor pollutants value and factory's circle standard value second level of sufficient national standard " emission standard for odor pollutants " (GB14554-93)
It is required that can direct emission.
A specific embodiment according to the present invention, combustion chamber 330 is interior to have muti-piece baffle 331.Can further it increase as a result,
Add the turbulence intensity of burning indoor air flow, extends odorant pollutant in foul smell and further increase combustion in the residence time of combustion chamber
Room is burnt to the deodorizing effect of foul smell.
Another specific embodiment according to the present invention, the temperature of combustion chamber are 760-820 degrees Celsius.Inventors have found that
The odorant pollutant preheated in foul smell is mainly ammonia, hydrogen sulfide, thio-alcohol and volatile organic compounds etc., in above-mentioned temperature model
In enclosing, above-mentioned odorant pollutant can be sufficiently burned substantially.If temperature is too low, odorant pollutant burning is not thorough, and is influenced
The deodorizing effect of combustion chamber；And if temperature is excessively high, it will cause the wastes of fuel, while excessively high temperature can cause combustion chamber
Heat loss reduces the economy of the system.
Another specific embodiment according to the present invention, preheating foul smell are not less than 0.5s in the time that combustion chamber is resident.By
This, it is ensured that the odorant pollutant in preheating foul smell is burned totally.
Trash repository deodoration system according to an embodiment of the present invention, by setting up air-exhausting duct in trash repository, and by air-exhausting duct
It is set near Dump gate, and arranges multiple air inlets on air-exhausting duct, can in time arrange the foul gas in trash repository as a result,
Trash repository out, the appearance for avoiding the occurrence of foul gas leakage pollution environment, endangering staff's health problem；By using blower
It is connected with the air-exhausting duct in trash repository, can be realized the foul smell in trash repository continuously by negative pressure in air-blower control trash repository
Discharge, while the foul smell amount in flame combustion furnace can be entered by air-blower control；It is pre- by the way that foul smell is arranged in flame combustion furnace
Hot cell can be preheated before foul smell is burnt using high-temperature tail gas after the resulting deodorization in combustion chamber, and burner is reduced
Energy consumption, while realizing primary utilization to high-temperature tail gas heat after deodorization；In burner, fuel and quilt after combustion gas mixing is helped
It lights, burning gas flame is injected into combustion chamber, and preheating foul smell is mixed with high-temp combustion gas, ammonia, hydrogen sulfide in preheating foul smell,
The odorant pollutants such as thio-alcohol and volatile organic compounds are sufficiently burned, and realize the purpose of deodorization；By in the combustion chamber
Baffle is set, the turbulence intensity of burning indoor air flow can be increased, increases foul smell in the residence time of combustion chamber, and then guarantee foul smell
In odorant pollutant can full combustion be totally in the combustion chamber.Pass through above system as a result, the purification effect of foul smell in trash repository
Rate can reach 99% or more, and the odorant pollutant discharge value after processing after resulting deodorization in tail gas meets national standard " stench dirt
Contaminate object discharge standard " the emission standard for odor pollutants value and the requirement of factory's circle standard value second level of (GB14554-93), and meanwhile it is entire
Other waste water, exhaust gas or waste residue are not generated during Odor control, and the system is not in use by natural conditions and ring
Border limitation, it is applied widely.
According to an embodiment of the invention, above-mentioned trash repository deodoration system further comprises with reference to Fig. 3: tail gas heat quantity recycling
Device 400.
According to an embodiment of the invention, tail gas heat quantity recyclable device 400 has gas inlet 401 and cooling tail gas after deodorization
Outlet 402, gas inlet 401 is connected with offgas outlet 314 after deodorization after deodorization, and is suitable for carrying out heat to tail gas after deodorization returning
It receives, to obtain cooling tail gas.Specifically, can be indirect heat exchange mode in tail gas heat quantity recyclable device.Such as it can be used for
Other media are heated, can use the water that air-water heat exchanger produces certain temperature, for heating or being used as domestic hot-water etc.；It can
It is used to heat to produce certain temperature hot wind using gas-to-gas heat exchanger, or for the preheating of other gases.Inventors have found that
By carrying out heat recovery to tail gas after deodorization, it can be achieved that secondary recovery to high-temperature tail gas heat after deodorization, is further promoted
The economy of system.
In another aspect of the invention, trash repository is carried out according to above-mentioned trash repository deodoration system the invention proposes a kind of
The method of deodorization, according to an embodiment of the invention, with reference to Fig. 4, this method comprises:
S100: the foul smell in trash repository is discharged by air inlet and aspiration channel
In the step, the foul smell in trash repository is discharged by air inlet and aspiration channel.Inventors have found that by rubbish
Air-exhausting duct is set up in storehouse, and air-exhausting duct is set near Dump gate, and arranges multiple air inlets on air-exhausting duct, as a result, may be used
Trash repository is discharged in the foul gas in trash repository in time, foul gas leakage pollution environment is avoided the occurrence of, endangers staff
The appearance of health problem.
S200: pass through the discharge rate of foul smell in air-blower control trash repository and the air output of blower
In the step, pass through the discharge rate of foul smell in air-blower control trash repository and the air output of blower.It is unloaded in strict control
Bin gate is opened quantity and time, and is stopped under the premise of external exhaust gas is discharged into trash repository, can be from the suction air volume of trash repository
30000m3/ h~20000m3It is adjusted between/h.Inventors have found that by using blower and the air-exhausting duct phase in trash repository
Even, it can realize and the foul smell in trash repository is continuously discharged, while blower control can be passed through by negative pressure in air-blower control trash repository
System enters the foul smell amount in flame combustion furnace.
S300: foul smell is supplied to flame combustion furnace, successively preheated, burning and heat exchange processing
Foul smell is supplied to the foul smell preheating chamber in flame combustion furnace and is exchanged heat with high-temperature tail gas after deodorization, to obtain
Tail gas after preheating foul smell and deodorization by fuel and helps fuel gas supply to burner to burn, to obtain combustion gas, will preheat
Foul smell is sent by air inlet to combustion chamber and combustion gas mixed firinor fuel burning, to obtain high-temperature tail gas after deodorization, and will be high after deodorization
Warm tail gas is sent to foul smell preheating chamber.Specifically, foul smell preheating is by the way of indirect heat exchange.Inventors have found that by heating power
Foul smell preheating chamber is set in combustion furnace, high-temperature tail gas after the resulting deodorization in combustion chamber can be utilized before foul smell is burnt
It is preheated, reduces the energy consumption of burner, while realizing the primary utilization to high-temperature tail gas heat after deodorization.In burner,
Fuel with help combustion gas mixing after be ignited, burning gas flame be injected into combustion chamber.Fuel can be liquid fuel or fuel gas,
Combustion-supporting gas can be air.Preheating foul smell can enter combustion chamber, preheating foul smell and high-temp combustion gas from combustion gas, that is, flame surrounding
After mixing, preheats the odorant pollutants such as ammonia, hydrogen sulfide, thio-alcohol and the volatile organic compounds in foul smell and is sufficiently burned,
Realize the purpose of deodorization；By the way that baffle is arranged in the combustion chamber, the turbulence intensity of burning indoor air flow can be increased, increase foul smell and exist
The residence time of combustion chamber, and then guarantee that the odorant pollutant in foul smell can full combustion be totally in the combustion chamber.It is resulting to remove
Odorant pollutant discharge value meets the stench of national standard " emission standard for odor pollutants " (GB14554-93) in high-temperature tail gas after smelly
Pollutant emission standard value and the requirement of factory's circle standard value second level, can direct emission.
According to one embodiment of present invention, the temperature for preheating foul smell is 250-300 degrees Celsius.Hereby it is achieved that deodorization
The recycling of high-temperature tail gas heat afterwards, can significantly reduce the energy consumption of subsequent combustion device, at the same can be improved it is right in subsequent combustion room
The odor removal efficient of foul smell.
Still another embodiment in accordance with the present invention, the temperature of combustion chamber are 760-820 degrees Celsius.Inventors have found that preheating
Odorant pollutant in foul smell is mainly ammonia, hydrogen sulfide, thio-alcohol and volatile organic compounds etc., in above-mentioned temperature range
Interior, above-mentioned odorant pollutant can be sufficiently burned substantially.If temperature is too low, odorant pollutant burning is not thorough, and influences to fire
Burn the deodorizing effect of room；And if temperature is excessively high, it will cause the wastes of fuel, while excessively high temperature can cause heat to combustion chamber
Loss, reduces the economy of this method.
According to still another embodiment of the invention, preheating foul smell is not less than 0.5s in the time that combustion chamber is resident.As a result, may be used
Guarantee that the odorant pollutant in preheating foul smell is burned totally.
Trash repository deodorizing methods according to an embodiment of the present invention, by setting up air-exhausting duct in trash repository, and by air-exhausting duct
It is set near Dump gate, and arranges multiple air inlets on air-exhausting duct, can in time arrange the foul gas in trash repository as a result,
Trash repository out, the appearance for avoiding the occurrence of foul gas leakage pollution environment, endangering staff's health problem；By using blower
It is connected with the air-exhausting duct in trash repository, can be realized the foul smell in trash repository continuously by negative pressure in air-blower control trash repository
Discharge, while the foul smell amount in flame combustion furnace can be entered by air-blower control；It is pre- by the way that foul smell is arranged in flame combustion furnace
Hot cell can be preheated before foul smell is burnt using high-temperature tail gas after the resulting deodorization in combustion chamber, and burner is reduced
Energy consumption, while realizing primary utilization to high-temperature tail gas heat after deodorization；In burner, fuel and quilt after combustion gas mixing is helped
It lights, burning gas flame is injected into combustion chamber, and preheating foul smell is mixed with high-temp combustion gas, ammonia, hydrogen sulfide in preheating foul smell,
The odorant pollutants such as thio-alcohol and volatile organic compounds are sufficiently burned, and realize the purpose of deodorization；By in the combustion chamber
Baffle is set, the turbulence intensity of burning indoor air flow can be increased, increases foul smell in the residence time of combustion chamber, and then guarantee foul smell
In odorant pollutant can full combustion be totally in the combustion chamber.Pass through the above method as a result, the purification effect of foul smell in trash repository
Rate can reach 99% or more, and the odorant pollutant discharge value after processing after resulting deodorization in tail gas meets national standard " stench dirt
Contaminate object discharge standard " the emission standard for odor pollutants value and the requirement of factory's circle standard value second level of (GB14554-93), and meanwhile it is entire
Other waste water, exhaust gas or waste residue are not generated during Odor control, and this method is not in use by natural conditions and ring
Border limitation, it is applied widely.
According to an embodiment of the invention, the deodorizing methods of above-mentioned trash repository further comprises with reference to Fig. 5:
S400: tail gas after deodorization is subjected to heat recovery
In the step, tail gas after deodorization is subjected to heat recovery, so as to tail gas after being cooled down.Specifically, tail gas heat quantity
It can be indirect heat exchange mode in recyclable device.Such as can be used for heating other media, it can use air-water heat exchanger and produce
The water of certain temperature, for heating or being used as domestic hot-water etc.；It can use gas-to-gas heat exchanger and produce certain temperature hot wind and be used for
Heating, or for the preheating of other gases.Inventors have found that by carrying out heat recovery, it can be achieved that right to tail gas after deodorization
The secondary recovery of high-temperature tail gas heat after deodorization, the economy of further lifting system.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of trash repository deodoration system characterized by comprising
Trash repository, the trash repository have air-exhausting duct and multiple Dump gates, and the air-exhausting duct is close to the Dump gate, and described
Multiple air inlets are disposed on air-exhausting duct；
Blower, the blower are connected with the air-exhausting duct of the trash repository；
Flame combustion furnace, the flame combustion furnace include:
Foul smell preheating chamber, the foul smell preheating chamber is with high-temperature tail gas entrance, the outlet of preheating foul smell after foul smell entrance, deodorization and removes
Offgas outlet after smelly, the foul smell entrance are connected with the blower；
Burner, the burner have fuel inlet, fuel gas inlet and combustion gas are helped to export；
Combustion chamber is disposed with baffle in the combustion chamber, there is high-temperature tail gas after preheating foul smell entrance and deodorization to export, the combustion
The combustion gas outlet of burner is located at the preheating foul smell entrance of the combustion chamber, the preheating foul smell entrance and institute
It states the outlet of preheating foul smell to be connected, high-temperature tail gas outlet is connected with high-temperature tail gas entrance after the deodorization after the deodorization.
2. system according to claim 1, which is characterized in that further comprise:
Tail gas heat quantity recyclable device, the tail gas heat quantity recyclable device have gas inlet and cooling offgas outlet after deodorization, institute
Gas inlet is connected with offgas outlet after the deodorization after stating deodorization.
3. system according to claim 1 or 2, which is characterized in that the number of the quantity of the air inlet and the Dump gate
Amount is consistent.
4. system according to claim 3, which is characterized in that the air inlet is in the surface of the Dump gate.
5. system according to claim 1, which is characterized in that the blower is that variable ratio frequency changer adjusts blower.
6. system according to claim 1, which is characterized in that have baffle described in muti-piece in the combustion chamber.
7. a kind of method that system according to claim 1 to 6 carries out trash repository deodorization, which is characterized in that packet
It includes:
The foul smell in the trash repository is discharged by the air inlet and aspiration channel；
Pass through the discharge rate of foul smell in trash repository described in the air-blower control and the air output of blower；
The foul smell is supplied the foul smell preheating chamber to the flame combustion furnace to exchange heat with high-temperature tail gas after deodorization,
To obtain tail gas after preheating foul smell and deodorization, by fuel and fuel gas supply to the burner is helped to burn, to obtain
Combustion gas send the preheating foul smell to the combustion chamber and combustion gas mixed firinor fuel burning, to be removed by air inlet
High-temperature tail gas after smelly, and high-temperature tail gas after the deodorization is sent to the foul smell preheating chamber.
8. the method according to the description of claim 7 is characterized in that further comprising:
Tail gas after the deodorization is subjected to heat recovery, so as to tail gas after being cooled down.
9. the method according to the description of claim 7 is characterized in that the temperature of the preheating foul smell is 250-300 degrees Celsius.
10. the method according to the description of claim 7 is characterized in that the temperature of the combustion chamber is 760-820 degrees Celsius；
Optional, the preheating foul smell is not less than 0.5s in the time that the combustion chamber is resident.
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| CN201910299988.9A CN109974016B (en) | 2019-04-15 | 2019-04-15 | Refuse bin deodorizing system and method |
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| CN109974016B (en) | 2024-01-05 |
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