CN103292303A - System and method for recycling latent heat of water steam in tail gas of Slapple activating furnace - Google Patents
System and method for recycling latent heat of water steam in tail gas of Slapple activating furnace Download PDFInfo
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- CN103292303A CN103292303A CN201210048201XA CN201210048201A CN103292303A CN 103292303 A CN103292303 A CN 103292303A CN 201210048201X A CN201210048201X A CN 201210048201XA CN 201210048201 A CN201210048201 A CN 201210048201A CN 103292303 A CN103292303 A CN 103292303A
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Abstract
The invention provides a system and a method for recycling latent heat of water steam in tail gas of a Slapple activating furnace. The Slapple activating furnace (1) is connected with a flue (2), and a heat pipe exchanger (3) is arranged in the flue (2); a steam-water mixed heater (6) is connected with the flue (2), air distribution channels (7) are arranged at the bottom of the inside of the steam-water mixed heater (6), a cold water atomizing nozzle (16) is arranged at the upper part of the steam-water mixed heater (6), and the top of the steam-water mixed heater (6) is connected with a water replenishing device (17); a second water level automatic controller (8) is arranged between the water replenishing device (17) and the steam-water mixed heater (6); the side surface of the steam-water mixed heater (6) is connected with a cooling section of the heat pipe exchanger (3) sequentially through a filter (5) and water pumps (15), and the cooling section of the heat pipe exchanger (3) is connected with a flash tower (14); a first water level automatic controller (4) is arranged between the water pumps (15) and the flash tower (14); and a hot water atomizing nozzle (13) is arranged inside the flash tower, an injection pump (10) is mounted at the upper part of the flash tower, and a pressure automatic controller (11) is mounted on the injection pump. The system has the characteristics of high utilization rate of waste heat and high automation degree, the system reliability is high, and the operation and the maintenance are simple and convenient.
Description
Technical field
The present invention relates to contain in the tail gas UTILIZATION OF VESIDUAL HEAT IN of low-grade water vapour, especially relate to heat recovery and the tail gas clean-up field of vapour latent heat in the Slapple activating furnace tail gas.
Background technology
Utilizing Stepple furnace to produce in the active carbon process, coal at high temperature reacts, and produces gas, liquid and solid product.Comprise water vapour, CO in the tail by the Slapple activating furnace discharge
2, CO, N
2, O
2, SO
2And dust.Wherein calorific value is at 400Kcal/Nm
3About low-concentration combustible gas and solid combustible waste heat, adopt special installation can carry out afterburning, burn and utilize.In addition, the volume share of water vapour generally about 50%, contains a large amount of latent heat in the tail gas, but contains dust, SO in the tail gas
2, and steam temperature is lower, so the water vapour waste heat is difficult to utilize.The method of water vapour UTILIZATION OF VESIDUAL HEAT IN is to adopt steam jet pump that tail gas is directly introduced Slapple activating furnace at present.This method is all brought certain influence to thermal balance, material balance and the priming reaction of activation furnace system, and final tail gas still directly enters atmosphere, can not fully reclaim tail gas sensible heat and vapour latent heat, has caused energy waste.
Summary of the invention
For overcoming the deficiency of prior art, take full advantage of latent heat and the tail gas sensible heat of water vapour in the Stepple furnace tail gas, creatively with equipment such as flash column, jet pump, steam-water injections, apply to the low-grade using waste heat from tail gas of Slapple activating furnace and utilize, realized that vapour latent heat is fully recycled in the Stepple furnace tail gas.System does not influence activating process, and realizes the purpose of tail gas clean-up.
The technical solution used in the present invention is: vapour latent heat recovery system in a kind of Slapple activating furnace tail gas comprises heat exchange of heat pipe, water level autocontrol, filter, steam-water injection, air distribution road, jet pump, pressure automatic control, hot water atomized nozzle, flash column, water pump, heat exchange of heat pipe, cold water atomizer, hutch water device etc.Arrange heat exchange of heat pipe in the flue, steam-water injection links to each other with flue, the steam-water injection inner bottom part is arranged the air distribution road, top layout cold water atomizer, the cold water atomizer connects hutch water device, second water level autocontrol is arranged between hutch water device and steam-water injection, between steam-water injection and heat exchange of heat pipe cooling section filter is arranged, water pump, heat exchange of heat pipe top connects flash column, and flash column links to each other with water pump by first water level autocontrol, connects steam-water injection at the bottom of the flash column, jet pump is installed on flash column top, and jet pump has pressure automatic control.
The invention has the beneficial effects as follows: come out from activation furnace, the low temperature exhaust gas of containing water vapor 50%, behind the preliminary absorption portion sensible heat of heat exchange of heat pipe, enter steam-water injection from the steam-water injection bottom, carry out caloic friendship heat with the atomized water of steam-water injection top spray, vapour latent heat is fully absorbed, and further absorb the tail gas sensible heat, tail gas is through atomizing spray, dust and SO
2Enter atmosphere after being purified.The moisturizing that the water that the temperature that steam-water injection top atomized water comes out from the flash column bottom reduces and hutch water device are supplied with, hutch water device is supplied with the rate of water make-up of steam-water injection and is regulated by second water level autocontrol, after atomized water and the exchange of tail gas caloic absorb vapour latent heat and tail gas sensible heat, the steam of condensation passes through filter in tail gas, water pump enters heat exchange of heat pipe, the flow that enters heat exchange of heat pipe is regulated by first water level autocontrol, in heat exchange of heat pipe, further be heated as 100 ℃ of hot water, 100 ℃ of hot water enter flash column, the flash column internal pressure is controlled at 0.8bar by jet pump, 100 ℃ of overheated hot water enter flash distillation behind the flash column, the steam that flashes off is drawn by jet pump, the high-grade water vapour that generates can return the Activated Carbon Production line, also can be used for steam turbine, the draining after temperature reduces in the flash column is circulation again after water pump returns the steam-water injection top.By the enforcement of these technology, under the condition that guarantees process for preparing activated carbon, realized that low-grade steam is fully recycled in the tail gas, reduced disposal of pollutants, system reliability height, simple and convenient operation and maintenance simultaneously again.
Description of drawings
Accompanying drawing is vapour latent heat heat recovery system schematic in the Slapple activating furnace tail gas.
Among the figure: 1, Slapple activating furnace, 2, flue, 3, heat exchange of heat pipe, 4, first water level autocontrol, 5, filter, 6, steam-water injection, 7, air distribution road, 8, second water level autocontrol, 9, output steam, 10, jet pump, 11, pressure automatic control, 12, steam, 13, hot water atomized nozzle, 14, flash column, 15, water pump, 16, cold water atomizer, 17, hutch water device.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
In the tail gas flue 2 of Slapple activating furnace 1 heat exchange of heat pipe 3 is installed, tail gas is after heat exchange of heat pipe 3 heat exchange, enter steam-water injection 6 from the bottom, and carry out the caloic exchange with the atomized water that sprays from top inside, discharge latent heat after water vapour in the tail gas and the atomized water heat exchange and generate condensed water, after caloic is handed over heat, only contain N in the tail gas
2, CO
2Etc. insoluble gas, enter atmosphere from steam-water injection 6 tops, arrange in steam-water injection 6 bottoms and filter and blowdown, dust and the acidic materials of sedimentation are filtered and remove.Atomized water is from the normal-temperature water of hutch water device 17 and the draining of flash column 14 bottoms.Rate of water make-up is regulated automatically by water level autocontrol 8.After atomized water and the exchange of tail gas caloic, further heat through the cooling section that filter 5 flows into heat exchange of heat pipe 3 with condensed water, enter the hot water atomized nozzle 13 at flash column 14 tops at 100 ℃ of hot water of this generation, the flash chamber internal pressure is being lower than under the atmospheric pressure by jet pump 10 controls, 0.8bar about, 100 ℃ of superheated waters spray into flash column 14 and carry out flash distillation after the atomizer atomizing, the steam that flash distillation obtains is through jet pump 10 injections, the working fluid of jet pump is from Boiler Steam, and the water vapour that obtains enters Activated Carbon Production line, steam turbine power generation etc.Hot water working medium self temperature reduces, and the draining that this part temperature reduces enters steam-water injection 6, and final and moisturizing is heated to 100 ℃ again, sends into flash distillation in the flash column.The flash distillation rate can obtain according to quality, energy conservation relation.
The results showed, adopt this bootstrap system after, vapour latent heat is fully recycled in the tail gas, finally enters airborne tail gas and obtains cleaning, the exhaust emissions requirement that is up to state standards.The turned back to Activated Carbon Production line of the steam that generates also may be used on steam turbine power generation etc.Energy-saving and emission-reduction have been realized.
The above-mentioned specific embodiment is used for the present invention that explains, rather than limits the invention, and in the protection domain of spirit of the present invention and claim, any modification and change to the present invention makes all fall into protection scope of the present invention.
Claims (6)
1. vapour latent heat recovery system in the Slapple activating furnace tail gas, it is characterized in that comprising: Slapple activating furnace (1), flue (2), heat exchange of heat pipe (3), first water level autocontrol (4), filter (5), steam-water injection (6), air distribution road (7), second water level autocontrol (8), jet pump (10), pressure automatic control (11), hot water atomized nozzle (13), flash column (14), water pump (15), cold water atomizer (16), hutch water device (17), described Slapple activating furnace (1) links to each other with flue (2), arrange heat exchange of heat pipe (3) in the flue (2), described steam-water injection (6) links to each other with flue (2), steam-water injection (6) links to each other with hutch water device (17) by second water level autocontrol (8), steam-water injection (6) inner bottom part is arranged air distribution road (7), top cold water atomizer (16) links to each other with hutch water device (17), lower side is passed through filter (5) successively, water pump (15) is connected with the cooling section of heat exchange of heat pipe (3), between water pump (15) and the flash column (14) first water level autocontrol (4) is arranged, the cooling section of heat exchange of heat pipe (3) connects flash column (14) internal hot-water atomizer (13), jet pump (10), setting pressure automatic control (11) on the jet pump are installed in flash column top; Described heat exchange of heat pipe (3) absorbs tail gas part sensible heat, steam-water injection (6) fully absorbs vapour latent heat and the tail gas sensible heat in the tail gas, flash column (14) internal pressure is controlled by jet pump (10), superheated water gasifies in flash column (14), come out to utilize through jet pump (10) injection, tail gas removes dust through steam-water injection (6).
2. vapour latent heat recovery system in a kind of Slapple activating furnace tail gas according to claim 1 is characterized in that: flash column (14) internal upper part is arranged the hot water atomized nozzle (13) of array distribution, and discharge outlet is arranged at the bottom.
3. vapour latent heat recovery system in a kind of Slapple activating furnace tail gas according to claim 1, it is characterized in that: vapour latent heat absorbs by the atomized water of steam-water injection (6) top spray in the tail gas, air distribution road (7) is installed in steam-water injection (6) bottom, and cold water atomizer (16) is arranged on top.
4. vapour latent heat recovery system in a kind of Slapple activating furnace tail gas according to claim 1 is characterized in that: steam-water injection (6) bottom is installed filtering and draining device and is also carried out preservative treatment.
5. vapour latent heat recovery system in a kind of Slapple activating furnace tail gas according to claim 1 is characterized in that: hot water atomized nozzle (13) is arranged in the flash column (14), internal pressure by jet pump (10) control at 0.8bar.
6. vapour latent heat recovery method in the tail gas that utilizes one of claim 1-4, it is characterized in that: the tail gas of water vapour volume content 50%, earlier through heat exchange of heat pipe (3) heat exchange, enter steam-water injection again from steam-water injection (6) bottom and carry out caloic friendship heat, remain insoluble gas and enter atmosphere; From the water after temperature reduces after the normal-temperature water of hutch water device (17), flash column (14) flash distillation, in steam-water injection (6), carry out the caloic exchange with tail gas, the steam of back condensation in tail gas passes through filter (5) successively, water pump (15) enters heat exchange of heat pipe (3) heating, 100 ℃ of hot water that generate, enter the flash column that internal pressure is 0.8bar (14), the steam of flash distillation is supplied with the Activated Carbon Production line through jet pump (10) injection, and the water that temperature reduces after the flash distillation enters steam-water injection (6) repetitive cycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210048201.XA CN103292303B (en) | 2012-02-29 | 2012-02-29 | System for recycling latent heat of water steam in tail gas of Slapple activating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210048201.XA CN103292303B (en) | 2012-02-29 | 2012-02-29 | System for recycling latent heat of water steam in tail gas of Slapple activating furnace |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310586296.5A Division CN103629652B (en) | 2012-02-29 | 2012-02-29 | Method for recycling steam latent heat in SLEP activating furnace off-gas |
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| CN103292303A true CN103292303A (en) | 2013-09-11 |
| CN103292303B CN103292303B (en) | 2014-02-12 |
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| CN201210048201.XA Expired - Fee Related CN103292303B (en) | 2012-02-29 | 2012-02-29 | System for recycling latent heat of water steam in tail gas of Slapple activating furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991869A (en) * | 2014-05-05 | 2014-08-20 | 贵州黎平奥捷炭素有限公司 | Phosphoric acid activated carbon activating furnace waste-heat utilization and tail-gas absorption device |
| CN104061560A (en) * | 2014-07-02 | 2014-09-24 | 南通星辰合成材料有限公司 | Method for utilizing the waste heat of steam condensed water of biphenol A device |
| CN105797414A (en) * | 2016-03-21 | 2016-07-27 | 兰州节能环保工程有限责任公司 | Industrial waste heat recycling method and device |
| CN105967256A (en) * | 2016-06-02 | 2016-09-28 | 陈建军 | Atomization and permeation type sewage evaporator |
| CN107954425A (en) * | 2017-11-29 | 2018-04-24 | 西安航天华威化工生物工程有限公司 | Slapple activating furnace energy conserving system and its operation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2723835Y (en) * | 2004-06-11 | 2005-09-07 | 南京天诺节能环保设备有限公司 | Waste heat recovery device for organic heat carvier furnace tail gas with steam generator |
| CN101619848A (en) * | 2008-06-30 | 2010-01-06 | 上海梅山钢铁股份有限公司 | System and method for recovering waste heat of coke-oven crude gas |
| CN201672676U (en) * | 2010-04-26 | 2010-12-15 | 扬州晨光特种设备有限公司 | Gas boiler flue-gas vaporization latent heat recycling device |
| CN101498437B (en) * | 2009-03-03 | 2011-07-06 | 石狮市亿祥染整有限公司 | Residual heat reclaiming apparatus for boiler vent gas |
-
2012
- 2012-02-29 CN CN201210048201.XA patent/CN103292303B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2723835Y (en) * | 2004-06-11 | 2005-09-07 | 南京天诺节能环保设备有限公司 | Waste heat recovery device for organic heat carvier furnace tail gas with steam generator |
| CN101619848A (en) * | 2008-06-30 | 2010-01-06 | 上海梅山钢铁股份有限公司 | System and method for recovering waste heat of coke-oven crude gas |
| CN101619848B (en) * | 2008-06-30 | 2010-12-01 | 上海梅山钢铁股份有限公司 | System and method for recovering waste heat of coke-oven crude gas |
| CN101498437B (en) * | 2009-03-03 | 2011-07-06 | 石狮市亿祥染整有限公司 | Residual heat reclaiming apparatus for boiler vent gas |
| CN201672676U (en) * | 2010-04-26 | 2010-12-15 | 扬州晨光特种设备有限公司 | Gas boiler flue-gas vaporization latent heat recycling device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991869A (en) * | 2014-05-05 | 2014-08-20 | 贵州黎平奥捷炭素有限公司 | Phosphoric acid activated carbon activating furnace waste-heat utilization and tail-gas absorption device |
| CN103991869B (en) * | 2014-05-05 | 2016-08-24 | 贵州黎平奥捷炭素有限公司 | A kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN and tail gas absorption equipment |
| CN104061560A (en) * | 2014-07-02 | 2014-09-24 | 南通星辰合成材料有限公司 | Method for utilizing the waste heat of steam condensed water of biphenol A device |
| CN105797414A (en) * | 2016-03-21 | 2016-07-27 | 兰州节能环保工程有限责任公司 | Industrial waste heat recycling method and device |
| CN105967256A (en) * | 2016-06-02 | 2016-09-28 | 陈建军 | Atomization and permeation type sewage evaporator |
| CN107954425A (en) * | 2017-11-29 | 2018-04-24 | 西安航天华威化工生物工程有限公司 | Slapple activating furnace energy conserving system and its operation method |
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| CN103292303B (en) | 2014-02-12 |
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| CB03 | Change of inventor or designer information |
Inventor after: Liu Hantao Inventor after: Liu Huiling Inventor after: Tong Zhihui Inventor after: Li Guiliang Inventor after: Su Tiexiong Inventor after: Ma Liqiang Inventor after: Qin Qingfeng Inventor after: Dong Xiaorui Inventor before: Liu Hantao Inventor before: Tong Zhihui Inventor before: Li Guiliang Inventor before: Su Tiexiong Inventor before: Ma Liqiang Inventor before: Qin Qingfeng Inventor before: Dong Xiaorui |
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Free format text: CORRECT: INVENTOR; FROM: LIU HANTAO TONG ZHIHUI LI GUILIANG SU TIEXIONG MA LIQIANG QIN QINGFENG DONG XIAORUI TO: LIU HANTAO LIU HUILING TONG ZHIHUI LI GUILIANG SU TIEXIONG MA LIQIANG QIN QINGFENG DONG XIAORUI |
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