CN103712220B - Waste incineration smoke waste heat utilization system - Google Patents
Waste incineration smoke waste heat utilization system Download PDFInfo
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- CN103712220B CN103712220B CN201310730200.8A CN201310730200A CN103712220B CN 103712220 B CN103712220 B CN 103712220B CN 201310730200 A CN201310730200 A CN 201310730200A CN 103712220 B CN103712220 B CN 103712220B
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- evaporation tube
- evaporation
- thermic load
- load output
- flue gas
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Abstract
The invention discloses a waste incineration smoke waste heat utilization system which comprises a waste incinerator 1 and a heat recovery heat exchanger 6. The heat recovery heat exchanger 6 is divided into a heat evaporation area and a gas input and output area, the gas input and output area is provided with a waste incineration smoke inlet 2 and a smoke outlet 7, the path allowing the waste incineration smoke inlet 2 to be communicated to the heat evaporation area is provided with a smoke conversion valve 3 and an input smoke closing valve 5 in sequence, the path allowing the heat evaporation area to be communicated to the smoke outlet 7 is provided with an output smoke closing valve, an evaporation pipe is arranged in the heat evaporation area, the steam outlet end of the evaporation pipe is connected with a heat load output utilization device 16, and a cold water outlet of the heat load output utilization device 16 is communicated to the water inlet end of the evaporation pipe. The problem that when a sludge dewatering component is shut down, a heating component is also shut down is solved, the safety performance is high, and steam distribution is precise.
Description
Technical field
The present invention relates to waste incineration smoke waste heat utilization system and processing method, belong to environmental protection sludge disposal technology neck
Domain.
Background technology
The moisture content of the mud that the sedimentation method produce is more than 80%, with pressure filter and inclining using center filter-pressing process recently
Up to 66.7, chamber pressure filter can make the moisture content of mud reach 40% to the moisture content of parser, but this dewatering type needs elder generation
Add dewaterer.If not being initially charged dewaterer, biological sludge can not be dehydrated under high pressure.Because filter cloth can be contaminated thing quickly and block up
Fill in and water can not be allowed to pass through, therefore, after deduction dehydrant, it is 66.7%-75%'s that the dehydration of chamber pressure filter is only capable of obtaining moisture content
Mud, the addition of conditioner is 0.1-0.3 times of dewatered sludge, moisture content when mud is dehydrated in a heated condition, after dehydration
Up to 50%-60%, and filtration pre-treatment that need not be extra, from the point of view of power consumption, unique shortcoming of this technique is costly, because
For this, conditioning technique needs to consume energy, and gained filtrate is more containing Organic substance, and its biological treatment stage needs oxygenation to consume energy, existing
There is the part needing to produce steam in technology to unite two into one with heat generating components, its objective is to reduce production cost, but this kind of method
Be applied to mud dehydration by evaporation when, be difficult and control quantity of steam, when sludge dewatering component failure, need to stop heating
Part, and it is unable to request stop when general heat generating components is opened, therefore add it would be desirable to be independently arranged to solve this problem
Heat produces the part of steam and heat generating components and the linkage of sludge dewatering part produce.
Content of the invention
It is an object of the invention to provide waste incineration smoke waste heat utilization system and processing method, solve sludge dewatering portion
It is not necessary that the problem also shut down of heat generating components when part is shut down.
The purpose of the present invention is achieved through the following technical solutions: waste incineration smoke waste heat utilization system, including rubbish
Rubbish incinerator and heat recovery heat exchanger, heat recovery heat exchanger is divided into thermal evaporation region and enters region of giving vent to anger, and enters to give vent to anger
Region is provided with flue gas of refuse burning entrance and exhanst gas outlet, and flue gas of refuse burning entrance is communicated on the path in thermal evaporation region
Also it is disposed with flue gas switching valve and enters flue gas shutoff valve, thermal evaporation regional connectivity to the path of exhanst gas outlet is additionally provided with
Smoke QI GUAN valve closing, is provided with evaporation tube in thermal evaporation region, the steam output end of evaporation tube is connected with thermic load output and utilizes device,
Thermic load output is communicated to the water inlet end of evaporation tube using the cold water delivery outlet of device.
The processing method of said structure is: thermic load output is generally sludge dewatering part using device.By waste incineration
High-temperature flue gas produced by stove, and high-temperature flue gas enter into heat recovery internal heat exchanger, Jing Guoyan from flue gas of refuse burning entrance
Gas switching valve and enter into thermal evaporation region after entering flue gas shutoff valve, carries out to the water in evaporation tube heating and makes its internal water
It is changed into vapor.Its internal water vapour is transported to thermic load output and utilizes device by evaporation tube, is thermic load output using dress
Put heating, and the water after cooling is input to the water inlet end of evaporation tube.When thermic load output is shut down using plant failure, only need
Open flue gas switching valve and close into flue gas shutoff valve so that high-temperature flue gas turn to, cause incinerator not need to shut down
And work on.Therefore whole system is independently arranged due to the external of heat recovery heat exchanger, and is maintained independent fortune
Turn.It is not necessary that heat generating components is also shut down when solving the problems, such as that sludge dewatering part is shut down.
Preferably, thermic load output be communicated to using device be additionally provided with the path of evaporation tube steam output end 2 in parallel
Three-way valve, the input of 2 three-way valve is all connected to the steam output end of evaporation tube, and the outfan a of 2 three-way valve is all connected to heat and bears
Lotus output utilizes device, and the outfan b of 2 three-way valve is all connected to the water inlet end of evaporation tube.2 three-way valve in parallel are formed joins
Send the form of steam, but when quantity of steam is big, by three-way valve, the steam of part can be directly inputted to the water inlet end of evaporation tube,
And to the water heating in evaporation tube.Thermic load output is avoided to cause equipment fault using equipment overheat.In general, can adopt
Above-mentioned work can be completed with a three-way valve, but in order to be accurately controlled the distribution of quantity of steam, just arranged side by side using 2 three-way valve
Combination.
Preferably, load output is heat conditioning sludge treatment equipment or generating equipment or preheater or air-conditioning using device
Device.
Preferably, in order to pressurize to cooling water, drive the circulation of evaporation tube, also include nitrogen device, pressure stability
Device, circulating pump, effusion meter, circulating pump be connected on the water inlet end of evaporation tube and thermic load output using device cold water delivery outlet it
Between, effusion meter is connected between the water inlet end of evaporation tube and circulating pump, the outfan of manostat and the input of circulating pump
Connect, the input of manostat is connected with the outfan of circulating pump, and nitrogen device is connected with manostat.
2 three-way valve structure many valves control groups in parallel, the input of 2 three-way valve in parallel is the input of many valves control group
End, the steam output end of evaporation tube pass sequentially through relief valve, temperature controller, after high temperature shutoff with the input of many valves control group even
Connect.In order to ensure safety, the steam output end of evaporation tube is passed sequentially through relief valve, temperature controller, is controlled with many valves after high temperature shutoff
The input of group connects, temperature controller detect temperature too high when, open high temperature shutoff and relief valve, unload some high temperature
Steam.
Preferably, evaporation tube becomes z font to arrange.
Preferably, thermic load output is connected with thermic load o controller using device, and flue gas switching valve closes with entering flue gas
Be provided with gas approach thermometer between valve closing, also include electrical control cabinet, electrical control cabinet simultaneously with thermic load output control
Device, temperature controller, high temperature shutoff, effusion meter, nitrogen device, gas approach thermometer connect.Thermic load o controller, temperature
After degree controller, high temperature shutoff, effusion meter, nitrogen device, gas approach thermometer are all connected with electrical control cabinet, by electric-controlled
Cabinet processed carries out feedback control manipulation.
Load output is hollow cavity using device, and hollow cavity outer wall is provided with the steam channel of hollow.Hollow cavity
The mud of interior setting flowing, is passed through steam in steam channel so that hollow cavity is heated, the mud in heating hollow cavity.
It is not necessary that heat generating components is also shut down when the present invention can solve the problems, such as that sludge dewatering part is shut down, security performance
Height, steam distribution is accurately.
Brief description
Fig. 1 is the structural representation of the present invention.
Entitled corresponding to reference in accompanying drawing: 1, incinerator, 2, flue gas of refuse burning entrance, 3, flue gas turns
To valve, 4, gas approach thermometer, 5, enter flue gas shutoff valve, 6, heat recovery heat exchanger, 7, exhanst gas outlet, 8, control electricity
Cable, 9, relief valve, 10, temperature controller, 11, electrical control cabinet, 12, high temperature shutoff, 13, three ventilating controllers, 14, three-way valve,
15th, thermic load o controller, 16, thermic load output utilize device, 17, nitrogen device, 18, manostat, 19, circulation
Pump, 20, effusion meter.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention do not limit
In this.
Embodiment:
As shown in figure 1,
Waste incineration smoke waste heat utilization system, including incinerator 1 and heat recovery heat exchanger 6, heat recovery
Heat exchanger 6 is divided into thermal evaporation region and enter region of giving vent to anger, and enters that region of giving vent to anger is provided with flue gas of refuse burning entrance 2 and flue gas goes out
Mouth 7, flue gas of refuse burning entrance 2 is communicated on the path in thermal evaporation region and is also disposed with flue gas switching valve 3 and enters flue gas
Shutoff valve 5, thermal evaporation regional connectivity to the path of exhanst gas outlet 7 is additionally provided with smoke QI GUAN valve closing, and thermal evaporation sets in region
It is equipped with evaporation tube, the steam output end of evaporation tube is connected with thermic load output and utilizes device 16, and thermic load output is cold using device 16
Water output is communicated to the water inlet end of evaporation tube.
The processing method of said structure is: thermic load output is generally sludge dewatering part using device 16.Burnt by rubbish
Burn stove 1 and produce high-temperature flue gas, high-temperature flue gas enter into inside heat recovery heat exchanger 6 from flue gas of refuse burning entrance 2, warp
Cross flue gas switching valve 3 and enter into thermal evaporation region after entering flue gas shutoff valve 5, heating is carried out to the water in evaporation tube and makes in it
The water in portion is changed into vapor.Its internal water vapour is transported to thermic load output and utilizes device 16 by evaporation tube, is that thermic load is defeated
Go out and heated using device 16, and the water after cooling is input to the water inlet end of evaporation tube.When thermic load output is using device 16 event
It is only necessary to opening flue gas switching valve 3 and closing into flue gas shutoff valve 5 so that high-temperature flue gas turn to when barrier is shut down, rubbish is caused to burn
Burning stove 1 does not need to shut down and works on.Therefore whole system is independently arranged due to the external of heat recovery heat exchanger 6, and
It is maintained independent operating.It is not necessary that heat generating components is also shut down when solving the problems, such as that sludge dewatering part is shut down.
Preferably, thermic load output is communicated on the path of evaporation tube steam output end using device 16 and is additionally provided with 2 parallel connections
The input of 14,2 three-way valve 14 of three-way valve be all connected to the steam output end of evaporation tube, the outfan a of 2 three-way valve 14 all connects
It is connected to the water inlet end that thermic load output is all connected to evaporation tube using the outfan b of 16,2 three-way valve 14 of device.2 in parallel
Three-way valve 14 forms the form of dispensing steam, but when quantity of steam is big, can be directly inputted the steam of part by three-way valve 14
To the water inlet end of evaporation tube, and to the water heating in evaporation tube.Avoid thermic load output overheated and cause equipment using device 16
Fault.In general, above-mentioned work can be completed using a three-way valve 14, but in order to be accurately controlled dividing of quantity of steam
Join, just adopt 2 three-way valve 14 parallel combinations.
Preferably, load output is heat conditioning sludge treatment equipment or generating equipment or preheater or air-conditioning using device 16
Device.
Preferably, in order to pressurize to cooling water, drive the circulation of evaporation tube, also include nitrogen device 17, pressure steady
Determine device 18, circulating pump 19, effusion meter 20, circulating pump 19 is connected on the water inlet end of evaporation tube and thermic load output utilizes device 16
Between cold water delivery outlet, effusion meter 20 is connected between the water inlet end of evaporation tube and circulating pump 19, the output of manostat 18
End is connected with the input of circulating pump 19, and the input of manostat 18 is connected with the outfan of circulating pump 19, nitrogen device
17 are connected with manostat 18.
2 three-way valve 14 structure many valves control groups in parallel, the input of 2 three-way valve 14 in parallel is many valves control group
Input, the steam output end of evaporation tube pass sequentially through relief valve 9, temperature controller 10, after high temperature shutoff 12 with many valves control group
Input connects.In order to ensure safety, the steam output end of evaporation tube passes sequentially through relief valve 9, temperature controller 10, high temperature shutoff 12
Be connected with the input of many valves control group afterwards, temperature controller 10 detect temperature too high when, open high temperature shutoff 12 and safety
Valve 9, unloads some high-temperature steams.
Preferably, evaporation tube becomes z font to arrange.
Preferably, thermic load output is connected with thermic load o controller 15 using device 16, flue gas switching valve 3 and enter cigarette
It is provided with gas approach thermometer 4 between QI GUAN valve closing 5, also includes electrical control cabinet 11, electrical control cabinet 11 is born with heat simultaneously
Lotus o controller 15, temperature controller 10, high temperature shutoff 12, effusion meter 20, nitrogen device 17, gas approach thermometer 4 are even
Connect.Thermic load o controller 15, temperature controller 10, high temperature shutoff 12, effusion meter 20, nitrogen device 17, gas approach temperature
After degree meter 4 is all connected with electrical control cabinet 11, feedback control manipulation is carried out by electrical control cabinet 11.
Load output is hollow cavity using device 16, and hollow cavity outer wall is provided with the steam channel of hollow.Middle cavity
The mud of internal setting flowing, is passed through steam in steam channel so that hollow cavity is heated, the mud in heating hollow cavity.
As described above, the present invention then can be realized well.
Claims (5)
1. waste incineration smoke waste heat utilization system it is characterised in that: include incinerator (1) and heat recovery heat exchanger
(6), heat recovery heat exchanger (6) is divided into thermal evaporation region and enters region of giving vent to anger, and enters region of giving vent to anger and is provided with waste incineration cigarette
Gas entrance (2) and exhanst gas outlet (7), flue gas of refuse burning entrance (2) is communicated to and also sets gradually on the path in thermal evaporation region
There is flue gas switching valve (3) and enter flue gas shutoff valve (5), the path of thermal evaporation regional connectivity to exhanst gas outlet (7) is additionally provided with
Smoke QI GUAN valve closing, is provided with evaporation tube in thermal evaporation region, the steam output end of evaporation tube is connected with thermic load output and utilizes device
(16), thermic load output is communicated to the water inlet end of evaporation tube using the cold water delivery outlet of device (16)；Load output utilizes device
(16) it is hollow cavity, hollow cavity outer wall is provided with the steam channel of hollow；Also include nitrogen device (17), manostat
(18), circulating pump (19), effusion meter (20), circulating pump (19) is connected on the water inlet end of evaporation tube and thermic load output utilizes device
(16), between cold water delivery outlet, effusion meter (20) is connected between the water inlet end of evaporation tube and circulating pump (19), pressure stability
The outfan of device (18) is connected with the input of circulating pump (19), and the input of manostat (18) is defeated with circulating pump (19)
Go out end to connect, nitrogen device (17) is connected with manostat (18)；Load output is at heat conditioning mud using device (16)
Reason device or generating equipment or preheater or air-conditioner.
2. waste incineration smoke waste heat utilization system according to claim 1 it is characterised in that: thermic load output using dress
Put (16) and be communicated on the path of evaporation tube steam output end and be additionally provided with 2 three-way valve in parallel (14), 2 three-way valve (14) defeated
Enter the steam output end that end is all connected to evaporation tube, the outfan a of 2 three-way valve (14) is all connected to thermic load output and utilizes device
(16), the outfan b of 2 three-way valve (14) is all connected to the water inlet end of evaporation tube.
3. waste incineration smoke waste heat utilization system according to claim 1 it is characterised in that: 2 three-way valve in parallel
(14) structure many valves control group, the input of 2 three-way valve in parallel (14) is the input of many valves control group, evaporation tube go out vapour
End passes sequentially through relief valve (9), temperature controller (10), high temperature shutoff (12) are connected with the input of many valves control group afterwards.
4. the waste incineration smoke waste heat utilization system according to any one in claim 1-3 it is characterised in that: evaporation
Pipe becomes z font to arrange.
5. waste incineration smoke waste heat utilization system according to claim 3 it is characterised in that: thermic load output using dress
Put (16) and be connected with thermic load o controller (15), flue gas switching valve (3) and enter and be provided with flue gas between flue gas shutoff valve (5)
Inlet temperature meter (4), also includes electrical control cabinet (11), electrical control cabinet (11) simultaneously with thermic load o controller (15),
Temperature controller (10), high temperature shutoff (12), effusion meter (20), nitrogen device (17), gas approach thermometer (4) connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310730200.8A CN103712220B (en) | 2013-12-26 | 2013-12-26 | Waste incineration smoke waste heat utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310730200.8A CN103712220B (en) | 2013-12-26 | 2013-12-26 | Waste incineration smoke waste heat utilization system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103712220A CN103712220A (en) | 2014-04-09 |
| CN103712220B true CN103712220B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310730200.8A Active CN103712220B (en) | 2013-12-26 | 2013-12-26 | Waste incineration smoke waste heat utilization system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003002912A1 (en) * | 2001-06-29 | 2003-01-09 | Seghers Keppel Technology Group Nv | Flue gas purification device for an incinerator |
| CN101430094A (en) * | 2008-12-03 | 2009-05-13 | 中国科学院工程热物理研究所 | Wet sludge incineration processing method with condensing type drying |
| CN201289089Y (en) * | 2008-10-29 | 2009-08-12 | 中国科学院工程热物理研究所 | Wet sludge drying, incinerating and treating device |
| CN101688667A (en) * | 2007-05-18 | 2010-03-31 | 汉桑·桑热格克 | Process and plant for incinerating waste with preheating of the latter |
| JP4542190B1 (en) * | 2009-03-11 | 2010-09-08 | 月島環境エンジニアリング株式会社 | Waste combustion power generation method and combustion equipment therefor |
| CN102216686A (en) * | 2008-11-21 | 2011-10-12 | 艾森曼股份公司 | Method for operating a system for producing bioethanol |
| CN203615345U (en) * | 2013-12-26 | 2014-05-28 | 四川四通欧美环境工程有限公司 | Waste incineration flue gas waste heat using system |
-
2013
- 2013-12-26 CN CN201310730200.8A patent/CN103712220B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003002912A1 (en) * | 2001-06-29 | 2003-01-09 | Seghers Keppel Technology Group Nv | Flue gas purification device for an incinerator |
| CN101688667A (en) * | 2007-05-18 | 2010-03-31 | 汉桑·桑热格克 | Process and plant for incinerating waste with preheating of the latter |
| CN201289089Y (en) * | 2008-10-29 | 2009-08-12 | 中国科学院工程热物理研究所 | Wet sludge drying, incinerating and treating device |
| CN102216686A (en) * | 2008-11-21 | 2011-10-12 | 艾森曼股份公司 | Method for operating a system for producing bioethanol |
| CN101430094A (en) * | 2008-12-03 | 2009-05-13 | 中国科学院工程热物理研究所 | Wet sludge incineration processing method with condensing type drying |
| JP4542190B1 (en) * | 2009-03-11 | 2010-09-08 | 月島環境エンジニアリング株式会社 | Waste combustion power generation method and combustion equipment therefor |
| CN203615345U (en) * | 2013-12-26 | 2014-05-28 | 四川四通欧美环境工程有限公司 | Waste incineration flue gas waste heat using system |
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| CN103712220A (en) | 2014-04-09 |
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