CN209317379U - A kind of municipal waste combustion flue gas purification system - Google Patents
A kind of municipal waste combustion flue gas purification system Download PDFInfo
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- CN209317379U CN209317379U CN201821882519.7U CN201821882519U CN209317379U CN 209317379 U CN209317379 U CN 209317379U CN 201821882519 U CN201821882519 U CN 201821882519U CN 209317379 U CN209317379 U CN 209317379U
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Abstract
The utility model belongs to domestic waste and utilizes related fields, and disclose a kind of municipal waste combustion flue gas purification system, the system includes flue gas purifying equipment and adsorbent reactivation equipment, in which: flue gas purifying equipment includes sequentially connected cooling device, spray flying dust decontamination device, spray Ca-base adsorbent desulfurizer, spray active carbon decontamination device, air-introduced machine and bag filter；Adsorbent reactivation equipment includes sequentially connected recyclable device, regenerating unit and spray treatment fluid decontamination device.The utility model can effectively remove the pollutant in flue gas by flue gas purifying equipment, and the flying dust wherein trapped in bag filter realizes the recycling of waste as the first step adsorbent while adsorbing pollutant；In addition, the utility model is additionally provided with catalyst regeneration equipment, desorption reaction occurs by heating the pollutant for making to inactivate on adsorbent, forms reproducing adsorbent, and be sent into spray flying dust decontamination device and reused, production cost can be effectively reduced.
Description
Technical field
The utility model belongs to domestic waste using related fields, more particularly, to a kind of domestic waste
Combustion product gases purification system.
Background technique
With the continuous quickening of urbanization process, the yield and accumulating amount of domestic waste increase year by year, seriously affect
The development in city and ecological environment.Therefore, how most important to domestic waste progress harmless treatment.
Currently, the processing mode of domestic waste is to fill, based on compost and burning.But the method for landfill takes up an area face
Product is big, and the toxic and harmful gas of generation be easy to cause secondary pollution, polluted underground water while breeding germ.Compost treatment at
This is higher, and product fertilizer efficiency is too low, and there are security risk, is not suitable for promoting and applying.Rubbish directly burn volume reduction decrement and
There is apparent advantage in terms of resource utilization, be most commonly seen trash processing way.
But a large amount of dust, sulfur-containing compound and heavy metal etc. can be generated during municipal waste combustion, these
Pollutant can cause greatly to pollute with flue gas emission into atmosphere to environment, it is therefore desirable to generate to during incineration firing
Flue gas purified.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of municipal waste combustion
Flue gas purification system, wherein being needed in conjunction with the feature and its adsorbent for generating a large amount of pernicious gases during incineration firing regenerated
Process characteristic accordingly devises flue gas purifying equipment and adsorbent reactivation equipment, can effectively solve the problems, such as that smoke pollution is serious,
It is also equipped with the effect of adsorbent reclaiming simultaneously, is therefore particularly suitable for the application of municipal waste combustion.
To achieve the above object, the utility model proposes a kind of municipal waste combustion flue gas purification systems, special
Sign is that the system includes flue gas purifying equipment and adsorbent reactivation equipment, in which:
The flue gas purifying equipment includes that sequentially connected cooling device, spray flying dust decontamination device, spray Ca-base adsorbent are de-
Sulphur device, spray active carbon decontamination device, air-introduced machine and bag filter, the flue gas that municipal waste combustion generates pass through first
Smoke inlet, which enters, removes the flue gas of macromolecule hydrocarbon substance to remove macromolecule hydrocarbon substance in the cooling device again successively
Into in the spray flying dust decontamination device, spray Ca-base adsorbent desulfurizer and spray active carbon decontamination device, in above-mentioned each dress
It sets and removes sulfide and heavy metal under the action of adsorbent, last flue gas enters the bag filter by the air-introduced machine
In to remove particulate matter, the clean flue gas generated after particulate matter removing is flowed out from exhanst gas outlet；
The adsorbent reactivation equipment include sequentially connected recyclable device, regenerating unit and spray treatment fluid decontamination device,
In the flue gas purifying equipment adsorbent absorption sulfide and heavy metal after inactivate and collected by the recyclable device, then by
It is sent into the regenerating unit and carries out desorption reaction generation reproducing adsorbent, the pollutant generated in desorption reaction is handled by the spray
Liquid decontamination device absorbs.
As it is further preferred that the spray flying dust decontamination device, the spray Ca-base adsorbent desulfurizer and the spray
Active carbon decontamination device is made of two chambers respectively, and flue gas enters from a chamber and flows out from another chamber, above-mentioned dress
The deflector tilted down is installed on the wall surface set, and bottom is provided with accumulator tank, the inactivation adsorbent is received
Collection.
As it is further preferred that the cooling device top is water-cooling wall, lower part is accumulator tank, for will be in flue gas
The macromolecule hydrocarbons such as tar are condensed into liquid and are recycled.
As it is further preferred that the particulate matter of bag filter absorption is flying dust in the spray flying dust decontamination device
Source.
As it is further preferred that the macromolecule hydrocarbon substance recycled in the cooling device carries out recycling benefit as the energy
With.
As it is further preferred that the regenerating unit includes carrier gas inlet, motor, conveyer belt, heating tape and adsorbent
Outlet, wherein the heating tape is wrapped in outside the conveyer belt, inactivation adsorbent enters in the regenerating unit, in the heating
Desorption reaction occurs under the action of band, the pollutant of generation enters in the spray treatment fluid decontamination device with carrier gas, and generation is again
Raw adsorbent is discharged under the drive of the motor and conveyer belt from the adsorbent outlet.
As it is further preferred that the heating temperature of the regenerating unit is preferably 200 DEG C~300 DEG C.
As it is further preferred that the preferred CaCO of slurries sprayed in the spray treatment fluid decontamination device3Solution, Ca (OH)2
Solution, NaOH solution or AlCl3Solution.
As it is further preferred that the carrier gas is preferably nitrogen, argon gas or air.
As it is further preferred that the reproducing adsorbent, which is added in the spray flying dust decontamination device, carries out repetition benefit
With.
In general, mainly have the above technical solutions conceived by the present invention are compared with the prior art, with
Under technological merit:
1. the utility model carries out the flue gas generated during municipal waste combustion by flue gas purifying equipment net
Change, the pollutants such as sulfide and the heavy metal in flue gas can be effectively removed, wherein the flying dust trapped in bag filter is made
For first step adsorbent, the recycling of waste can be realized while adsorbing pollutant；In addition, by adsorption effect preferably but at
This relatively high active carbon can not only reduce the content of pollutant in flue gas as final step adsorbent, and can
Production cost is effectively reduced；
2. in addition, the utility model is additionally provided with catalyst regeneration equipment, by 200 DEG C~300 DEG C at a temperature of plus
Heat makes to inactivate pollutant such as sulfide or heavy metal on adsorbent and desorption reaction occurs, to form reproducing adsorbent, and send
Enter to spray and be reused in flying dust decontamination device, the injected volume of the adsorbents such as active carbon can be further reduced, be effectively reduced
Production cost；
3. simultaneously, the utility model recycles the macromolecule hydrocarbons substances such as tar in flue gas, resource is realized
It makes full use of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the municipal waste combustion flue gas purification system of the utility model construction；
Fig. 2 is the work flow diagram of municipal waste combustion flue gas purification system provided by the utility model.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:
1: smoke inlet, 2: cooling device, 3: recyclable device, 4: spray flying dust decontamination device, 5: spray Ca-base adsorbent desulfurization
Device, 6: spray active carbon decontamination device, 7: air-introduced machine, 8: bag filter, 9: exhanst gas outlet, 10: spray treatment fluid decontamination device,
11: carrier gas inlet, 12: motor, 13: heating tape, 14: adsorbent outlet, 15: conveyer belt.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
As shown in Figure 1, the utility model proposes a kind of municipal waste combustion flue gas purification system, feature exists
In the system includes flue gas purifying equipment and adsorbent reactivation equipment, in which:
The flue gas purifying equipment includes sequentially connected cooling device 2, spray flying dust decontamination device 4, spray Ca-base adsorbent
Desulfurizer 5, spray active carbon decontamination device 6, air-introduced machine 7 and bag filter 8, the flue gas that municipal waste combustion generates are first
It first passes through smoke inlet 1 to enter in the cooling device 2 to remove macromolecule hydrocarbon substance, removes the cigarette of macromolecule hydrocarbon substance
Gas is sequentially entered again in the spray flying dust decontamination device 4, spray Ca-base adsorbent desulfurizer 5 and spray active carbon decontamination device 6, with
Removing sulfide and heavy metal under the action of adsorbent includes flying dust, Ca-base adsorbent and active carbon in above-mentioned each device, most
Flue gas is entered in the bag filter 8 by the air-introduced machine 7 to remove particulate matter, the cleaning generated after particulate matter removing afterwards
Flue gas is flowed out from exhanst gas outlet 9；
The adsorbent reactivation equipment includes sequentially connected recyclable device 3, regenerating unit and spray treatment fluid decontamination device
10, it inactivates and is collected by the recyclable device 3 after the adsorbent absorption sulfide and heavy metal in the flue gas purifying equipment, so
After be admitted to the regenerating unit and carry out desorption reaction and generate reproducing adsorbent, the pollutant generated in desorption reaction is by the spray
Treatment fluid decontamination device 10 absorbs.
Further, the spray flying dust decontamination device 4, the spray Ca-base adsorbent desulfurizer 5 and the spray active carbon are de-
Dirty device 6 is made of two chambers respectively, and flue gas enters from a chamber and flows out from another chamber, to guarantee that flue gas fills
Point with adsorbent haptoreaction, the deflector tilted down is installed on the wall surface of above-mentioned apparatus, and bottom is provided with recycling
Slot is collected inactivation adsorbent.
Further, 2 top of cooling device is water-cooling wall, lower part is accumulator tank, for tar in flue gas etc. is big
Molecular hydrocarbon is condensed into liquid and is recycled.
Further, the particulate matter that the bag filter 8 adsorbs is the source of flying dust in the spray flying dust decontamination device 4.
Further, the macromolecule hydrocarbons substances such as the tar recycled in the cooling device 2 are recycled as the energy.
Further, the regenerating unit includes that carrier gas inlet 11, motor 12, conveyer belt 15, heating tape 13 and adsorbent go out
Mouth 14, wherein the heating tape 13 is wrapped in outside the conveyer belt 15, the inactivation adsorbent passes through screw(-type) feeder and is sent into
In the regenerating unit, desorption reaction occurs under the action of heating tape 13, the pollutant of generation enters the spray with carrier gas
In treatment fluid decontamination device 10, the reproducing adsorbent of generation is under the drive of the motor 12 and conveyer belt 15 from the adsorbent
14 discharge of outlet.
Further, the heating temperature of the regenerating unit is preferably 200 DEG C~300 DEG C, and further preferably 250 DEG C.
Further, the preferred CaCO of slurries sprayed in the spray treatment fluid decontamination device 103Solution, Ca (OH)2Solution,
NaOH solution or AlCl3Solution.
Further, the carrier gas is preferably nitrogen, argon gas or air.
Further, the reproducing adsorbent is added in the spray flying dust decontamination device 4 and is reused.
The specific workflow of municipal waste combustion flue gas purification system provided by the utility model as shown in Fig. 2,
The flue gas that municipal waste combustion generates enters cooling device 2, the macromoleculars hydrocarbon such as tar in flue gas from the smoke inlet 1
Substance is collected after condensing on water-cooling wall by the accumulator tank of lower part；The flue gas for removing macromolecule hydrocarbon substance enters the spray and flies
In grey decontamination device 4, the flying dust in bag filter 8 will be after the sulfide and heavy metal adsorption in flue gas as adsorbent
Discharge；The flue gas of discharge enters in the spray Ca-base adsorbent desulfurizer 5, after sulfide therein is adsorbed by Ca-base adsorbent
Escape and enter in the spray active carbon decontamination device 6, active carbon as adsorbent by flue gas sulfide and heavy metal inhale
It is attached to discharge it；Flue gas enters the bag filter 8 to remove particulate matter under the action of air-introduced machine 7, finally generates
Clean flue gas is flowed out from exhanst gas outlet 9；
Absorption in above-mentioned spray flying dust decontamination device 4, spray Ca-base adsorbent desulfurizer 5 and spray active carbon decontamination device 6
Agent, which is inactivated after adsorbing sulfide and heavy metal and collected by the accumulator tank of bottom, to be entered in the recyclable device 3, is given by spiral
Material machine enters in regenerating unit, and desorption reaction occurs under the action of heating tape 13, the pollutant of generation with carrier gas into
Enter in the spray treatment fluid decontamination device 10, the reproducing adsorbent of generation is under the drive of the motor 12 and conveyer belt 15 from suction
Attached dose of 14 discharge of outlet, and be admitted in the spray flying dust decontamination device 4 and reused as adsorbent.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of municipal waste combustion flue gas purification system, which is characterized in that the system includes flue gas purifying equipment and suction
Attached dose of generating apparatus again, in which:
The flue gas purifying equipment includes sequentially connected cooling device (2), spray flying dust decontamination device (4), spray Ca-base adsorbent
Desulfurizer (5), spray active carbon decontamination device (6), air-introduced machine (7) and bag filter (8), municipal waste combustion generate
Flue gas pass through smoke inlet (1) first and enter to remove macromolecule hydrocarbon substance in the cooling device (2), remove macromolecular
The flue gas of hydrocarbons sequentially enters the spray flying dust decontamination device (4), spray Ca-base adsorbent desulfurizer (5) and spray activity again
In charcoal decontamination device (6), with removing sulfide and heavy metal, last flue gas pass through under the action of adsorbent in above-mentioned each device
The air-introduced machine (7) enters to remove particulate matter in the bag filter (8), the clean flue gas generated after particulate matter removing from
Exhanst gas outlet (9) outflow；
The adsorbent reactivation equipment includes sequentially connected recyclable device (3), regenerating unit and spray treatment fluid decontamination device
(10), it inactivates and is received by the recyclable device (3) after the adsorbent absorption sulfide and heavy metal in the flue gas purifying equipment
Collection is then fed to the regenerating unit and carries out desorption reaction generation reproducing adsorbent, the pollutant quilt generated in desorption reaction
The spray treatment fluid decontamination device (10) absorbs.
2. municipal waste combustion flue gas purification system as described in claim 1, which is characterized in that the spray flying dust decontamination
Device (4), the spray Ca-base adsorbent desulfurizer (5) and the spray active carbon decontamination device (6) are respectively by two chambers group
At flue gas enters from a chamber and flows out from another chamber, is equipped with the water conservancy diversion tilted down on the wall surface of above-mentioned apparatus
Plate, and bottom is provided with accumulator tank, inactivation adsorbent is collected.
3. municipal waste combustion flue gas purification system as claimed in claim 1 or 2, which is characterized in that the cooling dress
Set that top is water-cooling wall, lower part is accumulator tank, for recycling the macromolecule hydrocarbon material condensation in flue gas at liquid.
4. municipal waste combustion flue gas purification system as claimed in claim 3, which is characterized in that the bag filter
(8) particulate matter adsorbed is the source of flying dust in spray flying dust decontamination device (4).
5. municipal waste combustion flue gas purification system as claimed in claim 4, which is characterized in that the cooling device
(2) the macromolecule hydrocarbon substance recycled in is recycled as the energy.
6. municipal waste combustion flue gas purification system as claimed in claim 5, which is characterized in that the regenerating unit packet
Carrier gas inlet (11), motor (12), conveyer belt (15), heating tape (13) and adsorbent outlet (14) are included, wherein the heating tape
(13) it is external to be wrapped in the conveyer belt (15), inactivation adsorbent enters in the regenerating unit, the work in the heating tape (13)
Entered in the spray treatment fluid decontamination device (10) with the pollutant of lower generation desorption reaction, generation with carrier gas, the regeneration of generation
Adsorbent is discharged under the drive of the motor (12) and conveyer belt (15) from the adsorbent outlet (14).
7. municipal waste combustion flue gas purification system as claimed in claim 6, which is characterized in that the regenerating unit
Heating temperature is 200 DEG C~300 DEG C.
8. municipal waste combustion flue gas purification system as claimed in claim 7, which is characterized in that the spray treatment fluid is de-
The slurries sprayed in dirty device (10) are CaCO3Solution, Ca (OH)2Solution, NaOH solution or AlCl3Solution.
9. municipal waste combustion flue gas purification system as claimed in claim 8, which is characterized in that the carrier gas is nitrogen
Gas, argon gas or air.
10. municipal waste combustion flue gas purification system as claimed in claim 9, which is characterized in that the regenerative adsorption
Agent, which is added in the spray flying dust decontamination device (4), to be reused.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821882519.7U CN209317379U (en) | 2018-11-15 | 2018-11-15 | A kind of municipal waste combustion flue gas purification system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821882519.7U CN209317379U (en) | 2018-11-15 | 2018-11-15 | A kind of municipal waste combustion flue gas purification system |
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| CN209317379U true CN209317379U (en) | 2019-08-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621636A (en) * | 2018-11-15 | 2019-04-16 | 华中科技大学 | A kind of municipal waste combustion flue gas purification system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621636A (en) * | 2018-11-15 | 2019-04-16 | 华中科技大学 | A kind of municipal waste combustion flue gas purification system |
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