CN101162127A - Spraying and falling film compound condensation apparatus for coal or biomass pyrolytic liquefaction - Google Patents
Spraying and falling film compound condensation apparatus for coal or biomass pyrolytic liquefaction Download PDFInfo
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- CN101162127A CN101162127A CNA2007101620779A CN200710162077A CN101162127A CN 101162127 A CN101162127 A CN 101162127A CN A2007101620779 A CNA2007101620779 A CN A2007101620779A CN 200710162077 A CN200710162077 A CN 200710162077A CN 101162127 A CN101162127 A CN 101162127A
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Abstract
The invention relates to a spraying and falling film composite condensing unit used for coal or biomass pyrogenation liquification. A cylindrical condenser is divided into an upper part, a central part and a lower part, wherein the upper part is a spraying condensing section, the top of which is equally distributed with spraying nozzles; the central part is a falling film condensing section which is provided with a tube type indirect heat exchanger; the lower part is a liquid storage section. The condensing unit also comprises a fluid delivery pump, a cooling tower and corresponding pipelines and so on. Experiments show that, the spraying and falling film composite condensing unit and the self-contained complete component can meet the condensing requirement of the biomass pyrogenation liquification equipment, with the oil production capacity being 50-800 kg/h oil-producing, the liquid yield being greater than or equal to fifty percent when utilizing straw as the pyrogenation material, the liquid yield being greater than or equal to sixty percent when utilizing wood dust as the pyrogenation material, calorific values of the biological oil being all 16-18MJ/kg, the viscosity being 40-120mm<2>/s and the proportion being 1.1-1.2.
Description
Technical field
The present invention relates to be used for the condensation process device behind coal, living beings and other thermal decomposition of organic wastes.
Background technology
For the pyrolysis liquefaction of coal, living beings and other organic wastes, generally all require its condenser system to carry out rapid condensation, to improve the yield and the quality of product liquid to the high temperature pyrolysis steam.It mainly is made of the condensing unit of existing pyrolysis liquefaction equipment a plurality of cooling vessel series connection, and the high temperature pyrolysis steam obtains condensation by the wall cooling.But facts have proved that there is the slow and halfway shortcoming of condensation of cooling velocity in this condensing unit, and the high temperature pyrolysis steam then is easy to take place second pyrolysis as if not obtaining condensation rapidly, and and then influences the yield and the quality of product liquid.
Summary of the invention
The present invention aims to provide a kind of thoroughly spraying that is used for coal or biomass pyrolysis liquefaction and falling liquid film combined type condensation device of condensation coal, living beings and other organic waste high temperature pyrolysis steams can realized rapidly.
Concrete structural design scheme is as follows:
Be used for the spraying and the falling liquid film combined type condensation device of coal or biomass pyrolysis liquefaction, comprise the cylindrical tube shape condenser, be divided into upper, middle, and lower part in the condenser, top is the spray congealing section, the top uniform atomizer; The middle part is the falling liquid film condensation segment, is provided with the shell and tube indirect heat exchanger; The bottom is the liquid storage section;
Spray congealing section top one side of condenser is provided with the pyrolysis steam mouth of pipe, and the bottom opposite side is provided with the not condensible gas mouth of pipe, and the top is provided with the inlet that links to each other with atomizer,
Falling liquid film condensation segment top one side of condenser is a coolant outlet, coolant outlet the cooling tower top by cross current, the bottom opposite side is provided with the cooling water inlet, and the delivery port that cross current water pump is passed through in the cooling water inlet, and the water inlet of water pump is communicated with the delivery port of cooling tower;
Liquid storage pars infrasegmentalis one side of condenser is provided with condensate port, and condensate port is being communicated with the import of liquid delivery pump, and the outlet of liquid delivery pump is being communicated with the inlet of condenser overhead by oil pipe, and its bottom is provided with the product liquid outlet.
Described condenser diameter 0.8-2.0 rice, height 2.5-5.0 rice; Condenser internal spraying condensation segment height is a 0.8-1.5 rice, and middle part falling liquid film condensation segment height is a 0.8-2.0 rice, and bottom liquid storage section highly is a 0.8-1.5 rice.
Totally 7 at described atomizer, 1 atomizer is located at the condenser overhead center, and around 6 atomizers were distributed in addition, the nozzle diameter of atomizer was 0.6mm.
Tubulation number in the described shell and tube indirect heat exchanger is the 400-800 root, and caliber is 25mm.
Described liquid delivery pump is a self-priming centrifugal oil pump, and model is the CYZ-A type.
Described cooling tower is circular reverse-flow, and model is DBNL
3-200.
The present invention adopt the spraying with falling liquid film combined type condensation mode the high temperature pyrolysis steam is carried out rapid condensation: at first with pyrolysis oil as condensate liquid, make it directly to be sprayed onto after the atomizing during elevated temperature heat vents one's spleen, trickle condensing droplet directly contacts with pyrolysis gas, thereby the rapid cooling of pyrolysis gas has suppressed the generation of polymerization and polycondensation reaction; And then the heat that adopts the falling liquid film cooling that condensation is produced sees through the be condensed cooling water of pipe opposite side of liquid film and takes condenser out of, allows simultaneously lower boiling component at the liquid film gas-liquid interface condensation takes place further in the pyrolysis gas.Therefore, spraying and falling liquid film composite condensation can significantly improve the yield and the quality of pyrolysis liquid.When being raw material with living beings, the productive rate of pyrolysis liquid 〉=50%, calorific value 16～18MJ/kg, viscosity 40～120mm
2/ s, proportion 1.1～1.2.
The present invention has characteristics such as apparatus structure is simple, handling safety is reliable, condensation is with low cost.
Description of drawings
Fig. 1 is a structural representation of the present invention,
Fig. 2 is the A-A cutaway view of Fig. 1,
Fig. 3 is the B-B cutaway view of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described by embodiment.
Embodiment 1:
Be that spraying and falling liquid film combined type condensation device in the biomass pyrolysis liquefaction equipment of 500kg/h is example with the oil productive capacity, its condenser 1 diameter is 1.5m, highly is 4.5m that its inside is divided into upper, middle, and lower part, sees Fig. 1:
Top is the spray congealing section, high 1.5 meters, medium position apart from top 150mm place is equipped with 7 atomizers 2,1 atomizer is located at the condenser overhead center, around 6 atomizers are distributed in addition, sees Fig. 2, nozzle diameter 0.6mm, be used for the pyrolysis liquid mist is changed into trickle drop, venting one's spleen with the elevated temperature heat that enters from condenser sidewall porch (apart from top 300mm) directly contacts, and makes it to cool off rapidly and obtain condensation;
The middle part is the falling liquid film condensation segment, high 1.8 meters, the heat exchanger tube that the shell and tube indirect heat exchanger 3 of interior dress is 25mm by 600 diameters is formed, and sees Fig. 3, be used for taking the heat that the falling liquid film condensation produces out of condenser, allow simultaneously lower boiling component at the liquid film gas-liquid interface condensation takes place further in the pyrolysis gas;
The bottom is the liquid storage section, and high 1.2 meters, liquid level is controlled to be 1.0-1.1 rice.
Spray congealing section top one side of condenser is provided with the pyrolysis steam mouth of pipe 4, and the bottom opposite side is provided with the not condensible gas mouth of pipe 5, and the top is provided with the inlet 6 that links to each other with atomizer,
Falling liquid film condensation segment top one side of condenser is a coolant outlet 7, coolant outlet 7 cooling tower 8 tops by cross current, the bottom opposite side is provided with cooling water inlet 9, and the delivery port that cross current water pump 10 is passed through in cooling water inlet 9, and the water inlet of water pump 10 is communicated with the delivery port of cooling tower 8;
Liquid storage pars infrasegmentalis one side of condenser is provided with condensate port 11, and condensate port 11 is being communicated with the import of liquid delivery pump 12, and the outlet of liquid delivery pump 12 is being communicated with the inlet 6 of condenser overhead by oil pipe, and its bottom is provided with product liquid outlet 13.
Liquid delivery pump is a self-priming centrifugal oil pump, and model is the CYZ-A type.Cooling tower is circular reverse-flow, and model is DBNL
3-200.
Spraying with the course of work of falling liquid film combined type condensation device is: 1. the high temperature pyrolysis steam enters condenser top by the top pyrolysis steam mouth of pipe 4; 2. on condenser top, adopt the spraying type of cooling to make the high temperature pyrolysis steam obtain condensation rapidly; 3. at condenser middle part, the heat that adopts the falling liquid film type of cooling that condensation is produced sees through the be condensed cooling water of pipe opposite side of liquid film and takes condenser out of, allows the low boiling component in the pyrolysis gas at the liquid film gas-liquid interface condensation take place further simultaneously; 4. in the condenser bottom, the pyrolysis liquid that condensation obtains is pumped into the atomizer on condenser top, and unnecessary pyrolysis liquid is drawn condenser.
Experiment shows, it is that the condensation of biomass pyrolysis liquefaction equipment of 500kg/h is required that this spraying falling liquid film composite condenser and matching component thereof can satisfy oil productive capacity well, and the productive rate of product liquid 〉=50% when being pyrolysis feed with the stalk, productive rate 〉=60% of product liquid when being pyrolysis feed with the wood chip, the calorific value of bio oil is 16～18MJ/kg, viscosity 40～120mm
2/ s, proportion 1.1～1.2.
Embodiment 2:
Be that spraying and falling liquid film combined type condensation device in the biomass pyrolysis liquefaction equipment of 50kg/h is example with the oil productive capacity, its condenser diameter is 0.8 meter, highly is 2.5 meters; Condenser internal spraying condensation segment height is 0.8 meter, and middle part falling liquid film condensation segment height is 0.8 meter, and bottom liquid storage section altitude range is 0.8 meter.
The heat exchanger tube that the shell and tube indirect heat exchanger of interior dress is 25mm by 400 diameters is formed,
Other structure is with embodiment 1.
Embodiment 3:
Be that spraying and falling liquid film combined type condensation device in the biomass pyrolysis liquefaction equipment of 800kg/h is example with the oil productive capacity, 2.0 meters of its condenser diameters, 5.0 meters of height; Condenser internal spraying condensation segment height is 1.5 meters, and middle part falling liquid film condensation segment height is 2.0 meters, and bottom liquid storage section highly is 1.5 meters.
The heat exchanger tube that the shell and tube indirect heat exchanger of interior dress is 25mm by 800 diameters is formed,
Other structure is with embodiment 1.
Claims (6)
1. be used for the spraying and the falling liquid film combined type condensation device of coal or biomass pyrolysis liquefaction, it is characterized in that: comprise the cylindrical tube shape condenser, be divided into upper, middle, and lower part in the condenser, top is the spray congealing section, the top uniform atomizer; The middle part is the falling liquid film condensation segment, is provided with the shell and tube indirect heat exchanger; The bottom is the liquid storage section;
Spray congealing section top one side of condenser is provided with the pyrolysis steam mouth of pipe, and the bottom opposite side is provided with the not condensible gas mouth of pipe, and the top is provided with the inlet that links to each other with atomizer,
Falling liquid film condensation segment top one side of condenser is a coolant outlet, coolant outlet the cooling tower top by cross current, the bottom opposite side is provided with the cooling water inlet, and the delivery port that cross current water pump is passed through in the cooling water inlet, and the water inlet of water pump is communicated with the delivery port of cooling tower;
Liquid storage pars infrasegmentalis one side of condenser is provided with condensate port, and condensate port is being communicated with the import of liquid delivery pump, and the outlet of liquid delivery pump is being communicated with the inlet of condenser overhead by oil pipe, and its bottom is provided with the product liquid outlet.
2. spraying and the falling liquid film combined type condensation device that is used for coal or biomass pyrolysis liquefaction according to claim 1 is characterized in that: described condenser diameter 0.8-2.0 rice, height 2.5-5.0 rice; Condenser internal spraying condensation segment height is a 0.8-1.5 rice, and middle part falling liquid film condensation segment height is a 0.8-2.0 rice, and bottom liquid storage section highly is a 0.8-1.5 rice.
3. spraying and the falling liquid film combined type condensation device that is used for coal or biomass pyrolysis liquefaction according to claim 1, it is characterized in that: totally 7 at described atomizer, 1 atomizer is located at the condenser overhead center, around 6 atomizers were distributed in addition, the nozzle diameter of atomizer was 0.6mm.
4. spraying and the falling liquid film combined type condensation device that is used for coal or biomass pyrolysis liquefaction according to claim 1, it is characterized in that: the tubulation number in the described shell and tube indirect heat exchanger is the 400-800 root, caliber is 25mm.
5. spraying and the falling liquid film combined type condensation device that is used for coal or biomass pyrolysis liquefaction according to claim 1, it is characterized in that: described liquid delivery pump is a self-priming centrifugal oil pump, model is the CYZ-A type.
6. spraying and the falling liquid film combined type condensation device that is used for coal or biomass pyrolysis liquefaction according to claim 1 is characterized in that: described cooling tower is for circular reverse-flow, and model is DBNL
3-200.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101620779A CN100529630C (en) | 2007-11-14 | 2007-11-14 | Spraying and falling film compound condensation apparatus for coal or biomass pyrolytic liquefaction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101620779A CN100529630C (en) | 2007-11-14 | 2007-11-14 | Spraying and falling film compound condensation apparatus for coal or biomass pyrolytic liquefaction |
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|---|---|
| CN101162127A true CN101162127A (en) | 2008-04-16 |
| CN100529630C CN100529630C (en) | 2009-08-19 |
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|---|---|---|---|
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212376A (en) * | 2011-04-19 | 2011-10-12 | 山东理工大学 | Laminar flow condenser for thermal decomposition and liquidation of biomass |
| CN102225244A (en) * | 2011-05-13 | 2011-10-26 | 安徽禾盛生物能源有限公司 | Grading type condensing device for coal/biomass pyrolysis equipment |
| CN104736957A (en) * | 2012-09-20 | 2015-06-24 | 亿吉埃冷却系统有限公司 | Hybrid condenser |
| CN105043127A (en) * | 2015-07-22 | 2015-11-11 | 佛山市真空泵厂有限公司 | Condensation device and vacuum condensation system with same |
| CN109289225A (en) * | 2018-09-12 | 2019-02-01 | 中科钢研节能科技有限公司 | A kind of device and method of condensing recovery pyrolysis gas and application |
| CN110906754A (en) * | 2019-12-17 | 2020-03-24 | 东莞市基富真空设备有限公司 | Steam cooler |
| CN111624011A (en) * | 2020-05-29 | 2020-09-04 | 浙江大学 | Spray coupling falling film cooling experiment system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2450497C2 (en) * | 1974-10-24 | 1985-09-12 | Babcock Textilmaschinen GmbH, 2105 Seevetal | Device for cleaning and heat recovery from the exhaust air in heat treatment and drying systems |
| CN2084186U (en) * | 1990-10-22 | 1991-09-04 | 上海江湾化工机械厂 | Vapouring type condensing cooler |
| FI106223B (en) * | 1996-06-07 | 2000-12-15 | Valmet Corp | Heat exchanger |
| IL134196A (en) * | 2000-01-24 | 2003-06-24 | Agam Energy Systems Ltd | System for dehumidification of air in an enclosure |
| US6574980B1 (en) * | 2000-09-22 | 2003-06-10 | Baltimore Aircoil Company, Inc. | Circuiting arrangement for a closed circuit cooling tower |
| CN201129934Y (en) * | 2007-11-14 | 2008-10-08 | 中国科学技术大学 | Atomizing and falling film combined type condensing device for coal or biomass thermal decomposition liquefying |
-
2007
- 2007-11-14 CN CNB2007101620779A patent/CN100529630C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212376A (en) * | 2011-04-19 | 2011-10-12 | 山东理工大学 | Laminar flow condenser for thermal decomposition and liquidation of biomass |
| CN102212376B (en) * | 2011-04-19 | 2013-04-10 | 山东理工大学 | Laminar flow condenser for thermal decomposition and liquidation of biomass |
| CN102225244A (en) * | 2011-05-13 | 2011-10-26 | 安徽禾盛生物能源有限公司 | Grading type condensing device for coal/biomass pyrolysis equipment |
| CN104736957A (en) * | 2012-09-20 | 2015-06-24 | 亿吉埃冷却系统有限公司 | Hybrid condenser |
| CN105043127A (en) * | 2015-07-22 | 2015-11-11 | 佛山市真空泵厂有限公司 | Condensation device and vacuum condensation system with same |
| CN105043127B (en) * | 2015-07-22 | 2017-10-03 | 佛山市真空泵厂有限公司 | A kind of condensing unit and the vacuum condensing system with the condensing unit |
| CN109289225A (en) * | 2018-09-12 | 2019-02-01 | 中科钢研节能科技有限公司 | A kind of device and method of condensing recovery pyrolysis gas and application |
| CN109289225B (en) * | 2018-09-12 | 2021-02-19 | 国宏中晶集团有限公司 | Device and method for condensing and recycling pyrolysis gas and application |
| CN110906754A (en) * | 2019-12-17 | 2020-03-24 | 东莞市基富真空设备有限公司 | Steam cooler |
| CN111624011A (en) * | 2020-05-29 | 2020-09-04 | 浙江大学 | Spray coupling falling film cooling experiment system |
| CN111624011B (en) * | 2020-05-29 | 2021-02-26 | 浙江大学 | Spray coupling falling film cooling experiment system |
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|---|---|
| CN100529630C (en) | 2009-08-19 |
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