CN201129934Y - Atomizing and falling film combined type condensing device for coal or biomass thermal decomposition liquefying - Google Patents
Atomizing and falling film combined type condensing device for coal or biomass thermal decomposition liquefying Download PDFInfo
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- CN201129934Y CN201129934Y CNU2007201819487U CN200720181948U CN201129934Y CN 201129934 Y CN201129934 Y CN 201129934Y CN U2007201819487 U CNU2007201819487 U CN U2007201819487U CN 200720181948 U CN200720181948 U CN 200720181948U CN 201129934 Y CN201129934 Y CN 201129934Y
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- condenser
- spraying
- combined type
- liquid film
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Abstract
The utility model relates to a spraying and falling film combined type condensing device which is used in coal and biomass pyrolysis liquefaction. Three parts of an upper part, a middle part and a lower part are divided in a cylindrical condenser, wherein the upper part is a spraying condenser section, spraying nozzles are evenly arranged on the top, the middle part is a falling film condenser section and is provided with a multitubular indirect heat exchanger, the lower part is a liquid storage section, and the device also comprises a liquid transfer pump, a cooling tower, a corresponding pipeline and the like. Experiments show that the spraying and falling film combined type condensing device and matching components can well satisfy the cooling demands of biomass pyrolysis liquefaction devices whose oil production ability is 50-800 kg/h, when straw is taken as pyrolysis raw material, the productivity of liquid product is more than or equal to 50%, when sawdust is taken as the pyrolysis raw material, the productivity of liquid product is more than or equal to 60%, the calorific value of biological oil is 16-18MJ/kg, the viscosity is 40-120 mm <2>/s, and the specific gravity is 1.1-1.2.
Description
Technical field
The utility model relates to the condensation process device that is used for 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.
The utility model content
The utility model 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 utility model adopts spraying and falling liquid film combined type condensation mode that 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 utlity model has characteristics such as apparatus structure is simple, handling safety is reliable, condensation is with low cost.
Description of drawings
Fig. 1 is the utility model structural representation,
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 utility model 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 |
|---|---|---|---|
| CNU2007201819487U CN201129934Y (en) | 2007-11-14 | 2007-11-14 | Atomizing and falling film combined type condensing device for coal or biomass thermal decomposition liquefying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201819487U CN201129934Y (en) | 2007-11-14 | 2007-11-14 | Atomizing and falling film combined type condensing device for coal or biomass thermal decomposition liquefying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201129934Y true CN201129934Y (en) | 2008-10-08 |
Family
ID=40017791
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201819487U Expired - Lifetime CN201129934Y (en) | 2007-11-14 | 2007-11-14 | Atomizing and falling film combined type condensing device for coal or biomass thermal decomposition liquefying |
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| CN (1) | CN201129934Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100529630C (en) * | 2007-11-14 | 2009-08-19 | 中国科学技术大学 | Spraying and falling film compound condensation apparatus for coal or biomass pyrolytic liquefaction |
| CN109531874A (en) * | 2018-08-25 | 2019-03-29 | 李双全 | The method for being handled with biological method and being separated impurity in the waste mulching film of farmland |
| CN113072970A (en) * | 2021-04-16 | 2021-07-06 | 中国科学技术大学 | System and method for preparing bio-oil by pyrolysis coupling fractional condensation |
-
2007
- 2007-11-14 CN CNU2007201819487U patent/CN201129934Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100529630C (en) * | 2007-11-14 | 2009-08-19 | 中国科学技术大学 | Spraying and falling film compound condensation apparatus for coal or biomass pyrolytic liquefaction |
| CN109531874A (en) * | 2018-08-25 | 2019-03-29 | 李双全 | The method for being handled with biological method and being separated impurity in the waste mulching film of farmland |
| CN109531874B (en) * | 2018-08-25 | 2020-12-08 | 李双全 | Method for treating and separating impurities in waste farmland mulching films by biological method |
| CN113072970A (en) * | 2021-04-16 | 2021-07-06 | 中国科学技术大学 | System and method for preparing bio-oil by pyrolysis coupling fractional condensation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071114 |
|
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071114 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |