CN208414347U - A kind of purification of solid waste pyrolysis gas and the system of utilizing - Google Patents
A kind of purification of solid waste pyrolysis gas and the system of utilizing Download PDFInfo
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- CN208414347U CN208414347U CN201820344251.5U CN201820344251U CN208414347U CN 208414347 U CN208414347 U CN 208414347U CN 201820344251 U CN201820344251 U CN 201820344251U CN 208414347 U CN208414347 U CN 208414347U
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- pyrolysis gas
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Abstract
The utility model discloses a kind of purifications of solid waste pyrolysis gas and the system of utilizing, including high-temperature filter, scrubbing tower, high-temperature flue gas pipeline, heat exchanger, steam-water separator, pyrolysis gas booster fan, burner, boiler, gas-monitoring analyzer, valve, desorption tube, pyrolysis feed channel, fire arrester, rapid cut-off valve, fire protection pipeline, wherein high-temperature filter, heat exchanger form pipeline all the way and the parallel arrangement of scrubbing tower pipeline.The system can be according to different pyrolysis materials, select different purification processes, the calorific value of the fuel gas and tar that make full use of pyrolysis to generate, obtain certain economic benefit, simultaneously convert harmful substance to the flue gas of complete oxidation, solve the problems, such as the toxic heavy metal contaminations such as " dioxin " and mercury, lead, cadmium, can large-scale industrial application in field for the treatment of of solid waste.
Description
Technical field
The utility model belongs to Solid Waste Treatment technical field, and in particular to a kind of purification of solid waste pyrolysis gas and benefit
Use system.
Background technique
Pyrolysismethod is added under anaerobic or anoxia condition to it using the thermal instability of organic matter in solid waste
Thermal distillation, make organic matter generate cracking, various new gases, liquid and solid are formed after condensing, therefrom extract fuel oil, can
The process of combustion gas.The pyrolysis gas that pyrolysis generates is a kind of fuel gas.Contain from the pyrolysis gas generated in pyrolysis plant (pyrolysis oven)
There are many component, especially dust, tar, hydrogen sulfide etc..Pyrolysis gas is used for fuel in use, in combustion, if not into
The effective dedusting of row, tar removing, hydrogen sulfide cause air pollution while being easy blocking combustion gas, generate harm to human body, and
And cause pyrolysis feed channel, pyrolysis gas relevant device and burner corrosion and damage.
For example, a kind of solid waste pyrolysis of CN106594748A and combustion system, it is characterised in that pyrolysis air purifying apparatus
Pyrolysis gas blower is first connected, then is pyrolyzed after air valve by connection and is connected with the pyrolysis air burner of boiler；The boiler is set
Have two-stage off-gas recovery using mouth: the first order is connected before the economizer of the primary outlet of boiler is arranged in the first pyrolysis air-introduced machine；
The second level is arranged after economizer to be connected with the second pyrolysis air-introduced machine；First pyrolysis air-introduced machine by first pyrolysis control valve after with
Main control valve is pyrolyzed to be connected；Second pyrolysis air-introduced machine is connected after the second pyrolysis control valve with pyrolysis main control valve.
CN106367118A discloses a kind of organic solid waste pyrolysis gasification furnace and steam generating system.Organic solid waste pyrolysis
Gasification furnace includes long tubular furnace body, and heat exchanger, the side wall of long tubular furnace body and the side wall of heat exchanger are provided in long tubular furnace body
Between be spaced apart form fuel gas layer, the roof of long tubular furnace body is offered for organic solid waste material to be added into heat exchanger cylinder
Feed opening is provided with sealing cover body able to turn on or off at feed opening, and the fuel gas conduit of connection fuel gas layer is provided on long tubular furnace body.
The two pieces prior art haves the shortcomings that aforementioned.Therefore, it is necessary to while making full use of pyrolysis gas, to heat
It vents one's spleen and is purified, burning processing can be carried out after purification, can use energy in this way, obtains certain economic benefit, simultaneously
Convert harmful substance to the flue gas of complete oxidation.
Summary of the invention
Technical problem to be solved in the utility model is to select different purification works according to different pyrolysis materials
Skill, the fuel gas for making full use of pyrolysis to generate, obtains certain economic benefit, while converting complete oxidation for harmful substance
Flue gas.
In order to solve the above-mentioned technical problem, the utility model devise a kind of purification of solid waste pyrolysis gas with using being
System, including high-temperature filter 10, scrubbing tower, high-temperature flue gas pipeline 2, heat exchanger 6, steam-water separator 14, pyrolysis gas booster fan
15, burner 20, boiler 21, gas-monitoring analyzer 13, the 4th valve 8 of the first 4/ second valve of valve, 5/ third valve 7/,
It is pyrolyzed feed channel 17, fire arrester 18, rapid cut-off valve 19, pyrolysis oven 1；
Wherein, form two-way pipeline after being drawn by pyrolysis oven 1: high-temperature filter 10, heat exchanger 6 form pipeline all the way；With
Scrubbing tower pipeline, two-way pipeline parallel arrangement, is switched over by 4/ second valve 5 of the first valve；The high-temperature flue gas pipe
The slave boiler 21 in road 2 is drawn, and enters the heat exchanger 6 before high-temperature filter 10 by the 4th valve 8 all the way, and another way passes through third
Valve 7 is directly entered high-temperature filter 10；Pipeline after high-temperature filter 10 and scrubbing tower merges, and is provided with gas on pipeline
Monitoring analyzer 13, the merging pipeline are sequentially arranged steam-water separator 14, pyrolysis gas booster fan 15, desorption tube 16, pyrolysis again
Feed channel 17, fire arrester 18, rapid cut-off valve 19, burner 20, boiler 21.
One of preferred scheme can be one for the solid waste pyrolysis gas purification and the system of utilizing, scrubbing tower
Can be it is multiple, either washing, alkali cleaning, pickling are also possible to oil wash；It is preferred that by the first scrubbing tower 11 and the second scrubbing tower
12 are composed in series scrubbing tower pipeline.
One of preferred scheme is the purification of solid waste pyrolysis gas and the system of utilizing, and is further provided with desorption tube
16, wherein the setting of the first desorption tube is exported in pyrolysis oven 1；With the first desorption tube pyrolysis gas fan outlet.
One of preferred scheme is the solid waste pyrolysis gas purification and the system of utilizing, the high-temperature filter 10
Fire protection pipeline 3 is provided with 1 outlet conduit of pyrolysis oven.
One of preferred scheme is pressurized wind for the solid waste pyrolysis gas purification and the system of utilizing, the pyrolysis gas
Machine 15 is either one or more；It is preferred that composing in parallel by more than two pyrolysis gas booster fans.
One of preferred scheme is the solid waste pyrolysis gas purification and utilizes system, on the high-temperature filter 10
It is provided with venting of dust explosion piece 9.
One of preferred scheme is adopted for the solid waste pyrolysis gas purification and the system of utilizing, the high-temperature filter 10
With metal film high-temperature filter.
The another object of the utility model is to provide a kind of aforesaid solid waste pyrolysis gas purification and is made with using system
With method, comprising:
In system operation, before pyrolysis gas enters high-temperature filter 10, the flue gas that combustion chamber 21 generates is introduced into high temperature
Filter 10 is preheated, and after tower body is preheating to certain temperature (specific preferable temperature be 300-400 DEG C), closes flue gas the
Three valves 7 and the first valve 4 open the 4th valve 8 and the second valve 5, enter high temperature filtration by the flue gas that heat exchanger 6 exchanges heat
After 10 dedusting of device, successively enters burner 20 after steam-water separator 14 carries out steam-water separation, pyrolysis gas blower 15 is pressurized and fire
It burns.
The application method can effectively be pyrolyzed the higher solid waste of organic matter (such as waste plastics), since tar content is higher
(200mg/m3), this method makes full use of the tar calorific value of waste plastics and reduces the processing workload of tar, realizes pyrolysis
The purification and utilization of gas.
Or include:
In system operation, using washing this purification style of oil wash, the second valve of flue gas 5, third valve 7 and the are closed
Four valves 8, open the first valve 4, and pyrolysis gas is collected most grease, then steam-water separator by washing and oil wash
14, by after the drop collection of carrying, enter burner 20 after the pressurization of pyrolysis gas blower and burn.
The application method can be efficiently applied to that pyrolysis moisture content is higher (concrete content be 50% or more), and organic matter is lower
When solid waste (such as greasy filth) of (concrete content is 10% or less), since moisture content content is higher, greasy filth can be sufficiently recycled
In oil, realize the purification and utilization of pyrolysis gas.
The utility model has the following beneficial effects: compared with the existing technology
According to different pyrolysis materials, different purification processes can be selected, make full use of pyrolysis generate fuel gas and
The calorific value of tar obtains certain economic benefit, while converting harmful substance to the flue gas of complete oxidation, can solve " two evils
The toxic heavy metal contaminations problem such as English " and mercury, lead, cadmium, can large-scale industrial application in Solid Waste Treatment and boiler combustion.
Detailed description of the invention
Fig. 1 is that solid waste pyrolysis gas purifies and utilizes the system composition block diagram.
Wherein, pyrolysis oven 1, high-temperature flue gas pipeline 2, fire protection pipeline 3,5/ third valve 7/ of the first 4/ second valve of valve
Four valves 8, heat exchanger 6, venting of dust explosion piece 9, high-temperature filter 10, scrubbing tower 11/12, gas-monitoring analyzer 13, steam-water separator
14, pyrolysis gas booster fan 15, desorption tube 16, pyrolysis feed channel 17, fire arrester 18, rapid cut-off valve 19, burner 20, boiler
21。
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
It is that solid waste pyrolysis gas purifies and utilizes the system composition block diagram referring to Fig.1.
A kind of purification of solid waste pyrolysis gas and the system of utilizing, including high-temperature filter 10, scrubbing tower, high-temperature flue gas pipeline
2, heat exchanger 6, steam-water separator 14, pyrolysis gas booster fan 15, burner 20, boiler 21, gas-monitoring analyzer 13,
The 4th valve 8 of one 4/ second valve of valve, 5/ third valve 7/, pyrolysis feed channel 17, fire arrester 18, rapid cut-off valve 19, pyrolysis
Furnace 1；
Wherein, form two-way pipeline after being drawn by pyrolysis oven 1: high-temperature filter 10, heat exchanger 6 form pipeline all the way；With
Scrubbing tower pipeline, two-way pipeline parallel arrangement, is switched over by 4/ second valve 5 of the first valve；The high-temperature flue gas pipe
The slave boiler 21 in road 2 is drawn, and enters the heat exchanger 6 before high-temperature filter 10 by the 4th valve 8 all the way, and another way passes through third
Valve 7 is directly entered high-temperature filter 10；Pipeline after high-temperature filter 10 and scrubbing tower merges, and is provided with gas on pipeline
Monitoring analyzer 13, the merging pipeline are sequentially arranged steam-water separator 14, pyrolysis gas booster fan 15, desorption tube 16, pyrolysis again
Feed channel 17, fire arrester 18, rapid cut-off valve 19, burner 20, boiler 21.
Embodiment 2
On the basis of embodiment 1, scrubbing tower is either one or more, either washing, alkali cleaning, pickling
It is also possible to oil wash；It is preferred that being composed in series scrubbing tower pipeline by the first scrubbing tower 11 and the second scrubbing tower 12.
It is further provided with desorption tube 16, wherein the setting of the first desorption tube is exported in pyrolysis oven 1；It is pyrolyzed with the first desorption tube
Gas fan outlet.
The high-temperature filter 10 and 1 outlet conduit of pyrolysis oven is provided with fire protection pipeline 3.
The pyrolysis gas booster fan 15 is either one or more；It is preferred that being increased by more than two pyrolysis gas
Pressure fan composes in parallel.
Venting of dust explosion piece 9 is provided on the high-temperature filter 10.
The high-temperature filter 10 uses metal film high-temperature filter.
Embodiment 3
Using the system of embodiment 2, when being pyrolyzed the higher solid waste of organic matter (such as waste plastics), due to tar content compared with
Height, to make full use of the tar calorific value of waste plastics and reducing the processing workload of tar, at runtime, using metal film high-temp.
This purification style of filter, before pyrolysis gas enters high-temperature filter 10, the flue gas that combustion chamber 21 generates is introduced into high temperature mistake
Filter 10 is preheated, and after tower body is preheating to certain temperature, is closed flue gas third valve 7 and the first valve 4, is opened the 4th valve
Door 8 and the second valve 5, after the flue gas that heat exchanger 6 exchanges heat enters 10 dedusting of high-temperature filter, successively through steam-water separator 14
Enter the burning of burner 20 after carrying out steam-water separation, the pressurization of pyrolysis gas blower 15；This process realizes the purification and benefit of pyrolysis gas
With.
Embodiment 4
It is higher in pyrolysis moisture content using the system of embodiment 2, when the lower solid waste of organic matter (such as greasy filth), due to containing
Water rate content is higher, sufficiently to recycle the oil in greasy filth, at runtime, using washing this purification style of oil wash, closes
The second valve of flue gas 5, third valve 7 and the 4th valve 8 open the first valve 4, and pyrolysis gas is by washing and oil wash, big portion
The grease divided is collected, and then steam-water separator 14 enters burner after the pressurization of pyrolysis gas blower for after the drop collection of carrying
20 burnings；This process realizes the purification and utilization of pyrolysis gas.
Disclosed above is only some embodiments of the utility model, cannot limit the utility model certainly with this
Interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to this reality
The equivalent variations made by novel claim, still falls within the scope of the utility model.
Claims (8)
1. a kind of purification of solid waste pyrolysis gas and the system of utilizing, which is characterized in that including high-temperature filter (10), scrubbing tower,
High-temperature flue gas pipeline (2), heat exchanger (6), steam-water separator (14), pyrolysis gas booster fan (15), burner (20), boiler
(21), gas-monitoring analyzer (13), the first valve (4)/second valve (5)/third valve (7)/the 4th valve (8), pyrolysis
Feed channel (17), fire arrester (18), rapid cut-off valve (19), pyrolysis oven (1)；
Wherein, form two-way pipeline after being drawn by pyrolysis oven (1): high-temperature filter (10), heat exchanger (6) form pipeline all the way；
With scrubbing tower pipeline, two-way pipeline parallel arrangement is switched over by the first valve (4)/second valve (5)；The high temperature
The slave boiler (21) of flue (2) is drawn, and enters the heat exchanger before high-temperature filter (10) by the 4th valve (8) all the way
(6), another way is directly entered high-temperature filter (10) by third valve (7)；After high-temperature filter (10) and scrubbing tower
Pipeline merges, and is provided with gas-monitoring analyzer (13) on pipeline, the pipeline be sequentially arranged again after merging steam-water separator (14),
Pyrolysis gas booster fan (15), desorption tube (16), pyrolysis feed channel (17), fire arrester (18), rapid cut-off valve (19), burner
(20), boiler (21).
2. a kind of solid waste pyrolysis gas purification according to claim 1 and the system of utilizing, which is characterized in that scrubbing tower can
Be one be also possible to it is multiple, either washing, alkali cleaning, pickling are also possible to oil wash.
3. a kind of solid waste pyrolysis gas purification according to claim 1 and the system of utilizing, which is characterized in that washed by first
It washs tower (11) and the second scrubbing tower (12) is composed in series scrubbing tower pipeline.
4. a kind of solid waste pyrolysis gas purification according to claim 1 and the system of utilizing, which is characterized in that further set
Desorption tube (16) are equipped with, wherein the setting of the first desorption tube is exported in pyrolysis oven (1)；With the first desorption tube pyrolysis gas fan outlet.
5. a kind of solid waste pyrolysis gas purification according to claim 1 and the system of utilizing, which is characterized in that the height
Warm filter (10) and pyrolysis oven (1) outlet conduit are provided with fire protection pipeline (3).
6. a kind of solid waste pyrolysis gas purification according to claim 1 and the system of utilizing, which is characterized in that the heat
Booster fan (15) of venting one's spleen is either one or more；It is preferred that by parallel group of more than two pyrolysis gas booster fans
At.
7. a kind of solid waste pyrolysis gas purification according to claim 1 and the system of utilizing, which is characterized in that the high temperature
Venting of dust explosion piece (9) are provided on filter (10).
8. a kind of solid waste pyrolysis gas purification according to claim 1 and the system of utilizing, which is characterized in that the high temperature
Filter (10) uses metal film high-temperature filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820344251.5U CN208414347U (en) | 2018-03-14 | 2018-03-14 | A kind of purification of solid waste pyrolysis gas and the system of utilizing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820344251.5U CN208414347U (en) | 2018-03-14 | 2018-03-14 | A kind of purification of solid waste pyrolysis gas and the system of utilizing |
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| Publication Number | Publication Date |
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| CN208414347U true CN208414347U (en) | 2019-01-22 |
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ID=65120794
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| CN201820344251.5U Active CN208414347U (en) | 2018-03-14 | 2018-03-14 | A kind of purification of solid waste pyrolysis gas and the system of utilizing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384583A (en) * | 2018-03-14 | 2018-08-10 | 深圳市水务(集团)有限公司 | A kind of purification of solid waste pyrolysis gas and the system of utilizing |
-
2018
- 2018-03-14 CN CN201820344251.5U patent/CN208414347U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384583A (en) * | 2018-03-14 | 2018-08-10 | 深圳市水务(集团)有限公司 | A kind of purification of solid waste pyrolysis gas and the system of utilizing |
| CN108384583B (en) * | 2018-03-14 | 2024-04-02 | 深圳市水务(集团)有限公司 | System for purifying and utilizing pyrolysis gas of solid waste |
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