CN106567750A - Efficient waste heat utilization system for coal-to-liquids technology condensate - Google Patents
Efficient waste heat utilization system for coal-to-liquids technology condensate Download PDFInfo
- Publication number
- CN106567750A CN106567750A CN201510655482.9A CN201510655482A CN106567750A CN 106567750 A CN106567750 A CN 106567750A CN 201510655482 A CN201510655482 A CN 201510655482A CN 106567750 A CN106567750 A CN 106567750A
- Authority
- CN
- China
- Prior art keywords
- lime set
- steam
- flash
- waste heat
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002918 waste heat Substances 0.000 title claims abstract description 21
- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 title abstract description 10
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 50
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 50
- 239000004571 lime Substances 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 38
- 239000003245 coal Substances 0.000 claims description 20
- 238000007701 flash-distillation Methods 0.000 claims description 10
- 239000006200 vaporizer Substances 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 8
- 230000004087 circulation Effects 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 16
- 230000005611 electricity Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 5
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
An efficient waste heat utilization system for coal-to-liquids technology condensate comprises two stages of waste heat utilization systems. The first-stage waste heat utilization system is a flash heat recycling system and comprises a flash tank and a steam heat recycling device. High-temperature condensate is fed into an inlet of the flash tank. Saturated steam is flashed out and fed into the steam heat recycling device for other technologies. Low-temperature condensate of an outlet of the flash heat recycling system is fed into the second-stage waste heat utilization system. The second-stage waste heat utilization system is an organic Ranking cycle system (ORC) and comprises an evaporator, an expander, a generator, a working medium pump and a condenser. The low-temperature condensate of the outlet of the flash heat recycling system is fed into the evaporator of the second-stage waste heat utilization system and drives the generator of the ORC to generate electricity. The efficient waste heat utilization system for the coal-to-liquids technology condensate achieves conversion of the condensate cooling manner to an energy generation type from an energy consumption type, the comprehensive utilization efficiency of condensate energy is greatly improved, and the energy conservation and emission reduction effects are remarkable.
Description
Technical field
The present invention relates to coal liquifaction technical field, more particularly to a kind of coal liquifaction technique lime set waste heat effective utilization system.
Background technology
The higher technique lime set of temperature (typical temperature is 110 DEG C～130 DEG C) can be produced in coal liquifaction (coal liquefaction) technique,
These technique lime sets have to pass through and cool to uniform temperature (typical temperature be 50 DEG C～75 DEG C) and could enter technique lime set tank.
At present technique is to carry out cooling treatment (see accompanying drawing 1) using cooling by water tower mode, and the heat of technique lime set cooling release passes through
Cooling water is discharged in air.This mode is not only without the heat energy of effectively utilizes technique lime set, and cooling tower cyclic system
System also needs to consume extra electric energy, belongs to energy-dissipating type cooling.
In consideration of it, needing to design a kind of technique lime set bootstrap system, to solve the defect of said system scheme, coal is improved
The comprehensive utilization rate of energy source of oil-producing technique.
The content of the invention
The defect of the lime set type of cooling in solve existing coal liquifaction (coal liquefaction) technique, the present invention provides a kind of coal liquifaction work
Skill lime set waste heat effective utilization system, to improve the comprehensive utilization ratio of the energy.
The technical solution used in the present invention is：
A kind of coal liquifaction technique lime set waste heat effective utilization system, the system includes two-stage bootstrap system, more than the first order
Heat utilization system reclaims flash-off steam using flash distillation heat recovery system, and second level bootstrap system adopts organic Rankine bottoming cycle system
System (ORC circulations) is generated electricity.
First order bootstrap system is flash distillation heat recovery system, including flash tank, steam heat reclamation utilization apparatus, high temperature coagulates
Liquid (temperature is 110～130 DEG C) accesses flash tank entrance, and the saturated vapor for flashing off accesses steam heat reclamation utilization apparatus and supplies
Other techniques are used, and the low temperature lime set (temperature is 75 DEG C～100 DEG C) of flash distillation heat recovery system outlet enters second level waste heat profit
Use system.
Second level bootstrap system be organic rankine cycle system, including vaporizer, decompressor, electromotor, working medium pump and
Condenser, wherein vaporizer are connected with the condensate outlet of first order bootstrap system, and (temperature is 75 DEG C to absorb low temperature lime set
～100 DEG C) heat that produces in cooling procedure, make organic working medium in generating set be converted into gaseous state by liquid, gaseous working medium is pushed away
Dynamic decompressor acting produces electric energy；The weary gas of organic working medium is cooled to liquid refrigerant in condenser, under the driving of working medium pump, liquid
State working medium enters evaporator evaporation, completes circulation；In view of water shortage area is in coal liquifaction project, condenser heat extraction is adopted more
The direct evaporating-cooling mode more economized on water.
The invention has the beneficial effects as follows：A kind of coal liquifaction technique lime set waste heat effective utilization system, first by flash distillation recuperation of heat
System reclaims flash-off steam and uses for other techniques, then by ORC blood circulation further with from flash distillation heat recovery system
The low temperature lime set of discharge generates electricity again, realizes transformation of the lime set type of cooling by energy-dissipating type to production capacity type, lime set residual heat integrative profit
Greatly improved with efficiency, effects of energy saving and emission reduction substantially, is with a wide range of applications.
Description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
Fig. 1 is existing coal liquifaction technique lime set type of cooling schematic diagram.
Fig. 2 is a kind of coal liquifaction technique lime set waste heat effective utilization system schematic diagram of the invention.
Fig. 3 is a kind of coal liquifaction technique lime set waste heat effective utilization system schematic diagram of the invention of embodiment two.
Fig. 4 is a kind of coal liquifaction technique lime set waste heat effective utilization system schematic diagram of the invention of embodiment three.
In figure：1. vaporizer, 2. decompressor, 3. electromotor, 4. working medium pump, 5. condenser, 6. flash tank, 7. steam heat return
Receipts utilize device, 8. steam condenser, 9. steam jet heat pump, 10. cooling tower, 11. technique lime set interfaces.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is further described.
Embodiment one
Fig. 2 is referred to, present invention is disclosed a kind of coal liquifaction technique lime set waste heat effective utilization system, the system includes two-stage
Bootstrap system, first order bootstrap system reclaims flash-off steam, second level UTILIZATION OF VESIDUAL HEAT IN using flash distillation heat recovery system
System is generated electricity using organic rankine cycle system (ORC circulations).
First order bootstrap system is flash distillation heat recovery system, including flash tank 6, steam heat reclamation utilization apparatus 7 are high
Warm technique lime set (typical temperature is 110～130 DEG C) accesses the entrance of flash tank 6 by technique lime set interface 11, flashes off full
And steam, flash-off steam accesses steam heat reclamation utilization apparatus 7 and uses for other techniques from the top of flash tank 6, and flash distillation heat is returned
The low temperature lime set (temperature is 75 DEG C～100 DEG C) for receiving system outlet enters second level bootstrap system.
Second level bootstrap system is organic rankine cycle system, by vaporizer 1, decompressor 2, electromotor 3, working medium pump
4 and condenser 5 constitute, be sequentially connected by pipeline between each equipment.Wherein vaporizer 1 and first order bootstrap system
Outlet connection, for absorbing low temperature lime set (temperature be 75 DEG C～100 DEG C) cooling procedure in the heat that produces, after cooling
Lime set (typical temperature is 50 DEG C～75 DEG C) is linked into technique lime set tank；Condenser 5 adopts direct evaporating-cooling mode, uses
The working medium heat extraction in unit.When organic rankine cycle system works, vaporizer 1 absorbs the heat of lime set release, by system
Organic working medium is converted into gaseous state by liquid；High-pressure gaseous working medium promotes decompressor 2 to rotate, and produces with the work of electromotor 3 is driven
Raw electric energy；The low pressure working fluid discharged from decompressor 2 becomes liquid by the cooling of condenser 5, in the presence of working medium pump 4,
Liquid organic working medium enters vaporizer 1, completes circulation.
Embodiment two
Fig. 3 is referred to, embodiment two is with the difference of embodiment one, in the present embodiment, first order bootstrap system
Steam heat reclamation utilization apparatus are steam condenser 8, and high-temperature technology lime set (typical temperature is 110～130 DEG C) passes through technique
Lime set interface 11 accesses the entrance of flash tank 6, flashes off saturated vapor, and flash-off steam is from the top of flash tank 6 into steam condensation
Device 8 carries out condensation heat release, for the heating of technique cold medium, after the lime set after condensation heat release mixes with flash tank outlet lime set
(temperature is 75 DEG C～100 DEG C) enters second level bootstrap system.
Embodiment three
Fig. 4 is referred to, embodiment three is with the difference of embodiment one, in the present embodiment, first order bootstrap system steams
Vapour heat reclamation utilization apparatus are steam jet heat pump 9, and high-temperature technology lime set (typical temperature is 110～130 DEG C) passes through work
Skill lime set interface 11 accesses the entrance of flash tank 6, flashes off saturated vapor, and flash-off steam is from the top of flash tank 6 into steam spray
Formula heat pump 9 is penetrated, with High Temperature High Pressure steam is driven, form utilizable steam, the low temperature lime set (temperature of the outlet of flash tank 6
Spend for 75 DEG C～100 DEG C) enter second level bootstrap system.
Claims (3)
1. a kind of coal liquifaction technique lime set waste heat effective utilization system, is characterized in that：The system includes two-stage UTILIZATION OF VESIDUAL HEAT IN system
System；First order bootstrap system is flash distillation heat recovery system, including flash tank, steam heat reclamation utilization apparatus, high-temperature technology
Lime set (typical temperature is 110～130 DEG C) accesses flash tank entrance by technique lime set interface, and the saturated vapor for flashing off is accessed
Steam heat reclamation utilization apparatus are used for other techniques；Second level bootstrap system is that (ORC is followed organic rankine cycle system
Ring), including vaporizer, decompressor, electromotor, working medium pump and condenser, each equipment is sequentially connected one circulation of composition, flash distillation
The low temperature lime set (temperature is 75 DEG C～100 DEG C) of heat recovery system outlet accesses the vaporizer of second level bootstrap system, drives
The electrical power generators of ORC circulations.
2. a kind of coal liquifaction technique lime set waste heat effective utilization system according to claim 1, is characterized in that：Described
The steam heat reclamation utilization apparatus of one-level bootstrap system are steam condenser, and high-temperature technology lime set is connect by technique lime set interface
Enter flash tank entrance, flash off saturated vapor, flash-off steam carries out condensation heat release from flash drum overhead into steam condenser, use
In the heating of technique cold medium, condense (temperature is 75 DEG C～100 DEG C) after the lime set after heat release mixes with flash tank outlet lime set and enter
Enter second level bootstrap system.
3. a kind of coal liquifaction technique lime set waste heat effective utilization system according to claim 1, is characterized in that：Described first
The steam heat reclamation utilization apparatus of level bootstrap system are steam jet heat pump, and high-temperature technology lime set passes through technique lime set interface
Flash tank entrance is accessed, saturated vapor is flashed off, flash-off steam enters steam jet heat pump from flash drum overhead, it is high with high temperature
Pressure drives steam, forms utilizable steam, and the low temperature lime set (temperature is 75 DEG C～100 DEG C) of flash tank outlet is entered
Second level bootstrap system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510655482.9A CN106567750A (en) | 2015-10-13 | 2015-10-13 | Efficient waste heat utilization system for coal-to-liquids technology condensate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510655482.9A CN106567750A (en) | 2015-10-13 | 2015-10-13 | Efficient waste heat utilization system for coal-to-liquids technology condensate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106567750A true CN106567750A (en) | 2017-04-19 |
Family
ID=58506220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510655482.9A Pending CN106567750A (en) | 2015-10-13 | 2015-10-13 | Efficient waste heat utilization system for coal-to-liquids technology condensate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106567750A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143438A (en) * | 2022-05-31 | 2022-10-04 | 华能营口热电有限责任公司 | A system and method for generating electricity by recovering flue gas waste heat by flashing of desulfurization slurry |
| CN119746448A (en) * | 2025-02-20 | 2025-04-04 | 北京环都环保科技有限公司 | A recovery system and temperature position selection method for recovering dichloromethane using waste heat |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110167824A1 (en) * | 2008-07-17 | 2011-07-14 | Fluor Technologies Corporation | Configurations And Methods For Waste Heat Recovery And Ambient Air Vaporizers In LNG Regasification |
| CN102587884A (en) * | 2011-12-28 | 2012-07-18 | 新奥气化采煤有限公司 | Utilizing process for underground gasified gas condensate |
| CN103089356A (en) * | 2013-01-22 | 2013-05-08 | 中国科学院广州能源研究所 | Flash evaporation-double work medium combined power generation device |
| CN103123107A (en) * | 2013-03-06 | 2013-05-29 | 宁波金海德旗化工有限公司 | Device for recovering waste heat and supplying steam through multistage dilatation flashing |
| CN103453507A (en) * | 2013-09-03 | 2013-12-18 | 张家港市胜达钢绳有限公司 | Steam condensate recovery device and steam condensate recovery system |
| CN205349452U (en) * | 2015-10-13 | 2016-06-29 | 四川新玛能源科技有限公司 | System is utilized to coal system oil technology lime set waste heat high efficiency |
| US9574829B2 (en) * | 2009-12-11 | 2017-02-21 | Skc Co., Ltd. | System for recovering waste heat |
-
2015
- 2015-10-13 CN CN201510655482.9A patent/CN106567750A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110167824A1 (en) * | 2008-07-17 | 2011-07-14 | Fluor Technologies Corporation | Configurations And Methods For Waste Heat Recovery And Ambient Air Vaporizers In LNG Regasification |
| US9574829B2 (en) * | 2009-12-11 | 2017-02-21 | Skc Co., Ltd. | System for recovering waste heat |
| CN102587884A (en) * | 2011-12-28 | 2012-07-18 | 新奥气化采煤有限公司 | Utilizing process for underground gasified gas condensate |
| CN103089356A (en) * | 2013-01-22 | 2013-05-08 | 中国科学院广州能源研究所 | Flash evaporation-double work medium combined power generation device |
| CN103123107A (en) * | 2013-03-06 | 2013-05-29 | 宁波金海德旗化工有限公司 | Device for recovering waste heat and supplying steam through multistage dilatation flashing |
| CN103453507A (en) * | 2013-09-03 | 2013-12-18 | 张家港市胜达钢绳有限公司 | Steam condensate recovery device and steam condensate recovery system |
| CN205349452U (en) * | 2015-10-13 | 2016-06-29 | 四川新玛能源科技有限公司 | System is utilized to coal system oil technology lime set waste heat high efficiency |
Non-Patent Citations (1)
| Title |
|---|
| 张亮: "大型煤化工项目低品位热能利用研究", 《化肥设计》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143438A (en) * | 2022-05-31 | 2022-10-04 | 华能营口热电有限责任公司 | A system and method for generating electricity by recovering flue gas waste heat by flashing of desulfurization slurry |
| CN119746448A (en) * | 2025-02-20 | 2025-04-04 | 北京环都环保科技有限公司 | A recovery system and temperature position selection method for recovering dichloromethane using waste heat |
| CN119746448B (en) * | 2025-02-20 | 2025-06-06 | 北京环都环保科技有限公司 | A recovery system and temperature position selection method for recovering dichloromethane using waste heat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101696643B (en) | Low-temperature heat energy recovering apparatus of heat and electricity co-generation and recovering method thereof | |
| CN102022144B (en) | Thermal power generation system with function of exhaust steam recovery | |
| CN101929360B (en) | Medium-low temperature heat source generating set based on energy cascade utilization and thermal circulation method thereof | |
| CN104048450A (en) | Absorption type heat pump refrigeration and power combined supply method and device thereof | |
| CN201852360U (en) | Heat pump system for recycling cooling water waste heat of power plant | |
| CN202869079U (en) | A device for heating condensed water by recovering the waste heat of circulating cooling water in a power plant by means of a jet heat pump | |
| CN102733871A (en) | Low-temperature waste heat power generation system | |
| CN100554827C (en) | two-stage first class absorption heat pump | |
| CN110986418B (en) | An Absorption Circulation System Based on Heating and Boosting Technology | |
| CN110078904B (en) | Polyester esterification steam waste heat utilization method and device | |
| CN204098972U (en) | Adopt the low temperature water power generation system of extraction cycle technology | |
| CN100451487C (en) | Two-stage absorbing heat pump of first type | |
| CN205349452U (en) | System is utilized to coal system oil technology lime set waste heat high efficiency | |
| CN111608741A (en) | An ORC system for recovery and utilization of generator waste heat | |
| CN103983039A (en) | Waste heat ammonia absorption power generation refrigerator and liquid ammonia power generation device | |
| CN208887159U (en) | The system freezed using steam condensate waste heat | |
| CN106567750A (en) | Efficient waste heat utilization system for coal-to-liquids technology condensate | |
| CN110186220A (en) | The device of working medium jet type heat pump system and its working method of step waste heat recycling | |
| CN203257488U (en) | Water or liquid medium steam non-condensing cycle generation system | |
| CN103195517B (en) | Liquid medium steam non-condensing cycle generating system | |
| CN104006573B (en) | Combined type ammonia compression refrigeration technique and system | |
| CN110986425A (en) | A water vapor heat pump system with solar supplementary heat | |
| CN204267121U (en) | Adopt the low temperature water power generating equipment of preheating technology | |
| CN203347861U (en) | of cooling and power generating functions of ammonia medium | |
| CN203893481U (en) | Waste heat ammonia absorption power generation refrigerating machine and liquid ammonia power generation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 610031, room 116, 719 Star Road, Chengdu, Sichuan, Jinniu District Applicant after: Sichuan pioneer new energy technology Co., Ltd. Address before: 610031, room 116, 719 Star Road, Chengdu, Sichuan, Jinniu District Applicant before: SICHUAN XINMA ENERGY TECHNOLOGY CO., LTD. |
|
| CB02 | Change of applicant information | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170419 |
|
| WD01 | Invention patent application deemed withdrawn after publication |