CN203680586U - Device for utilizing cold energy of liquefied natural gas (LNG) satellite station - Google Patents
Device for utilizing cold energy of liquefied natural gas (LNG) satellite station Download PDFInfo
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- CN203680586U CN203680586U CN201420052304.8U CN201420052304U CN203680586U CN 203680586 U CN203680586 U CN 203680586U CN 201420052304 U CN201420052304 U CN 201420052304U CN 203680586 U CN203680586 U CN 203680586U
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- refrigerant
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The utility model discloses a device for utilizing cold-energy of a liquefied natural gas (LNG) satellite station and belongs to the technical field of oil-gas storage and transportation and transportation engineering. The device is characterized in that waste rubber is frozen by utilizing cold energy of LNG till reaching the vitrification temperature of the rubber and then is crushed at low temperature, so that the refined processing of the waste rubber can be met. In the process, the cold energy is transferred by a refrigerant, air is used as a deep-cooling processing medium, coarse rubber particles and crushing-assistant coal are mixed before deep-cooling processing, the refrigerant and the crushing-assistant coal are recycled, and thus the whole process is realized. The device disclosed by the utility model has the advantages that the operation is simple, the control is convenient, the automation degree is high, the cold energy of the LNG satellite station is utilized, the refined processing of the waste rubber is realized, and the requirement on particle size is met under the premise of no damage to the properties of the rubber.
Description
Technical field
The invention belongs to oil gas and store and Transportation Engineering technical field, be specifically related to a kind of device of realizing the cold energy use of liquefied natural gas satellite station.
Background technology
LNG is cooled to-162 DEG C by natural gas to form under normal pressure, solve that natural gas is subject to the constraint of pipe network and the natural gas problems used such as the region resident that cannot arrive and industry with this, LNG is by tool carrier such as boats and ships, tank car to specifying in the stations such as receiving station, satellite station, and both having can be user through relative programs such as gasifications provides and use gas.But LNG will discharge a large amount of cold energy (about 230kwh/t) in gasification in station, domestic most of receiving station, satellite station are not used to this part cold energy, but are directly discharged in the Nature with air or seawater.If this part cold energy is recycled, can play energy-saving consumption-reducing, and the effect of protection of the environment.
China is rubber country of consumption the biggest in the world, meanwhile, also becomes waste old producing country the biggest in the world, therefore, is accompanied by the production of waste old, and the high efficiency of waste old is pulverized and recycled just becomes a thing followed difficult problem.Waste old pulverizing method is divided into: normal temperature pulverizing, low-temperature grinding, wet pulverizing etc.Because normal temperature pulverizing refers under normal temperature state, by mechanical shearing, waste old is ground into the little micelle of 20～40 object by the effect such as push, mill, its granular size can not meet some technological requirement, and some industrial use, and has reduced the physical property of micelle in production process.
The operation principle of low-temperature grinding is to complete pulverizing under the making of the technical process such as, Lowtemperaturepulverizer pulverizing freezing in medium precooling, refrigerating chamber, because waste old is chilled to vitrification point (70～-90 DEG C) in refrigerating chamber, waste old is easy to meet its meticulous requirement under the pulverizing of Lowtemperaturepulverizer.But adopt the method pulverizing waste rubber of low-temperature grinding will increase substantially production cost completely, therefore, for meeting technological requirement, reduce production costs simultaneously, can adopt method normal, that low-temperature grinding combines to carry out production operation.
Summary of the invention
The object of this invention is to provide a kind of device of realizing the cold energy use of liquefied natural gas satellite station.Solve liquefied natural gas satellite station cold energy waste problem, and overcome the shortcoming of normal temperature pulverizing, the independent explained hereafter rubber powder of low-temperature grinding, realized the saving energy, improved the object of the quality of production.
Technical solution of the present invention is as follows: it is characterized in that:
Comprise following three large systems: coolant circulating system, air dielectric system, rubber deep cooling crush system.Coolant circulating system: this system is using cold energy of liquefied natural gas in LNG satellite station as low-temperature receiver, with the heat exchange in LNG heat exchanger of normal temperature refrigerant, refrigerant after heat exchange is stored in coolant storage tank about-130 DEG C greatly, when use, propose to be transported in refrigerant heat exchanger and air heat-exchange by refrigerant pump, at this moment, still the refrigerant with some high temperature position cold energy is processing material precooling in forecooler, and the refrigerant of getting back to after normal temperature is sent in normal temperature coolant storage tank, treats that normal temperature refrigerant pumps to recycle.Successively LNG heat exchanger, coolant storage tank, refrigerant pump, refrigerant heat exchanger, forecooler, normal temperature coolant storage tank, normal temperature refrigerant pump are connected into loop by hot insulated line.Air dielectric system: in this system, air enters after by compressor boost in refrigerant heat exchanger with refrigerant heat exchange to-110 DEG C of left and right, cold air enters freezer, in freezer, to thick micelle and help the mixture of fine coal freezing, used air is discharged in atmosphere.In this system, successively compressor, refrigerant heat exchanger, freezer are connected by pipeline, wherein refrigerant heat exchanger, freezer connect by hot insulated line.Rubber low-temperature grinding system: thick micelle mixes in blender with helping fine coal, be transported to the heat exchange of normal temperature heat exchanger by pump, the thick micelle of precooling and help pulverized coal mixture to enter in freezer to be cooled to-90 DEG C of left and right in forecooler afterwards, the processing material that reaches vitrification point is sent in Lowtemperaturepulverizer to be pulverized, rubber powder after pulverizing passes through screening machine successively, normal temperature heat exchanger, after helping fine coal separator, machine, the substandard product filtering out through screening machine is again sent back in Lowtemperaturepulverizer and is pulverized by loop, the fine coal that helps that completes rubber pulverizing technical process recycles after helping fine coal separator to separate.In this system, by pipeline, blender, pump, normal temperature heat exchanger, freezer, Lowtemperaturepulverizer, screening machine are connected, then screening machine is connected to successively normal temperature heat exchanger, helps on fine coal separator.
The equipment that described device comprises has LNG heat exchanger, coolant storage tank, refrigerant pump, refrigerant heat exchanger, forecooler, normal temperature coolant storage tank, normal temperature refrigerant pump, freezer, compressor, Lowtemperaturepulverizer, screening machine, normal temperature heat exchanger, helps fine coal separator, blender, pump.
A kind of device of realizing the cold energy use of liquefied natural gas satellite station as above:
The present invention is in conjunction with China's current Gas Industry chain development trend and China's rubber industry art method, invent the device of realizing the cold energy use of liquefied natural gas satellite station, this device effectively utilizes the most of cold energy originally abandoning, liquefied natural gas satellite station is used with the cold energy of fluctuation drawback, not only realize the efficient utilization of the energy, and solved the cold pollution that gasification seawater or air cause the Nature.This device also combines that waste old is normal, the pluses and minuses of two kinds of breaking methods of low temperature, has solved the large and higher drawback of low-temperature grinding expense of normal temperature pulverized particles, realizes the processing that becomes more meticulous of waste old.
Brief description of the drawings
Fig. 1 is a kind of device schematic diagram of realizing the cold energy use of liquefied natural gas satellite station of the present invention.
Detailed description of the invention
Below in conjunction with drawings and the embodiments, this patent is described in further detail:
Patent of the present invention is specifically related to a kind of device of realizing the cold energy use of liquefied natural gas satellite station, and device comprises following three large systems: coolant circulating system, air dielectric system, rubber deep cooling crush system.
(1) coolant circulating system: this system is using cold energy of liquefied natural gas in LNG satellite station as low-temperature receiver, with the heat exchange in LNG heat exchanger (1) of normal temperature refrigerant, refrigerant after heat exchange is stored in coolant storage tank (2) about-130 DEG C greatly, when use, propose to be transported in refrigerant heat exchanger (4) and air heat-exchange by refrigerant pump (3), at this moment, still the refrigerant with some high temperature position cold energy is the precooling of processing material in forecooler (5), the refrigerant of getting back to after normal temperature is sent in normal temperature coolant storage tank (6), treats that normal temperature refrigerant pump (7) pumps to recycle.Successively LNG heat exchanger, coolant storage tank, refrigerant pump, refrigerant heat exchanger, forecooler, normal temperature coolant storage tank, normal temperature refrigerant pump are connected into loop by hot insulated line.
(2) air dielectric system: in this system, air enters after by compressor (9) supercharging in refrigerant heat exchanger (4) with refrigerant heat exchange to-110 DEG C of left and right, cold air enters freezer (8), in freezer, to thick micelle and help the mixture of fine coal freezing, used air is discharged in atmosphere.In this system, successively compressor, refrigerant heat exchanger, freezer are connected by pipeline, wherein refrigerant heat exchanger, freezer connect by hot insulated line.
(3) rubber deep cooling crush system: thick micelle mixes in blender (14) with helping fine coal, be transported to normal temperature heat exchanger (12) heat exchange by pump (15), the thick micelle of precooling and help pulverized coal mixture to enter to be cooled to-90 DEG C of left and right in freezer (8) in forecooler (5) afterwards, the processing material that reaches vitrification point is sent in Lowtemperaturepulverizer (10) to be pulverized, rubber powder after pulverizing passes through screening machine (11) with this, normal temperature heat exchanger (12), after helping fine coal separator (13), machine, the substandard product filtering out through screening machine (11) is again sent back in Lowtemperaturepulverizer (10) and is pulverized by loop, the fine coal that helps that completes rubber pulverizing technical process recycles after helping fine coal separator (13) to separate.In this system, by pipeline, blender, pump, normal temperature heat exchanger, freezer, Lowtemperaturepulverizer, screening machine are connected, then screening machine is connected to successively normal temperature heat exchanger, helps on fine coal separator.
The equipment that described device comprises has LNG heat exchanger (1), coolant storage tank (2), refrigerant pump (3), refrigerant heat exchanger (4), forecooler (5), normal temperature coolant storage tank (6), normal temperature refrigerant pump (7), freezer (8), compressor (9), Lowtemperaturepulverizer (10), screening machine (11), normal temperature heat exchanger (12), helps fine coal separator (13), blender (14), pump (15).
Described Lowtemperaturepulverizer (10) is low temperature dry pan.
Device annexation feature is: LNG heat exchanger (1) is connected with LNG satellite station storage tank LNG outlet, natural gas line out respectively, also be connected on coolant storage tank (2) by refrigerant hot insulated line simultaneously, coolant storage tank (2) is connected with refrigerant pump (3), receive again on refrigerant heat exchanger (4), outlet line is being connected on forecooler (5) afterwards, successively normal temperature coolant storage tank (6), warm refrigerant pump (7) are connected by pipeline, take back LNG heat exchanger (1).
Air line is access to refrigerant heat exchanger (4) after being connected to compressor (9), and cold-air vent hot insulated line is connected to freezer (8).
Thick micelle, help fine coal pipeline to be connected to blender (14), be connected to pump (15) from blender (14), be connected on normal temperature heat exchanger (12) by pump (15), connect forecooler (5), freezer (8), Lowtemperaturepulverizer (10), screening machine (11) by hot insulated line successively afterwards, screening machine (11) is also connected with Lowtemperaturepulverizer (10) by return line, be also connected on normal temperature heat exchanger (12), be connected with helping fine coal separator (13) afterwards, help fine coal separator (13) to be also connected with blender (14).
According to described device, LNG cold energy use rate is calculated by 60%, and LNG per ton can prepare-115 DEG C of about 2.56t of cold air, produces fine glue powder 0.73t left and right.For air demand 10 × 10 every day
4nm
3satellite station, annual LNG amount of vaporization is about 2 × 10
4t, can produce 1.46 × 10 as calculated
4t fine glue powder, approximately can process 1,000,000 junked tires every year.Therefore, the cold energy of LNG satellite station is pulverized for waste old, not only can be saved the energy, increase the economic benefit of LNG satellite station, and can greatly reduce the production cost of fine glue powder, and promote recycling of rubber sources, meet the needs of building a conservation-minded society.
Claims (3)
1. a device of realizing the cold energy use of liquefied natural gas satellite station, is characterized in that: comprise following three large systems: coolant circulating system, air dielectric system, rubber low-temperature grinding system;
(1) coolant circulating system: this system is using cold energy of liquefied natural gas in LNG satellite station as low-temperature receiver, with the heat exchange in LNG heat exchanger (1) of normal temperature refrigerant, refrigerant after heat exchange is stored in coolant storage tank (2) about-130 DEG C greatly, when use, propose to be transported in refrigerant heat exchanger (4) and air heat-exchange by refrigerant pump (3), at this moment, still the refrigerant with some high temperature position cold energy is the precooling of processing material in forecooler (5), the refrigerant of getting back to after normal temperature is sent in normal temperature coolant storage tank (6), treating that normal temperature refrigerant pump (7) pumps recycles, by hot insulated line successively by LNG heat exchanger, coolant storage tank, refrigerant pump, refrigerant heat exchanger, forecooler, normal temperature coolant storage tank, normal temperature refrigerant pump connects into loop,
(2) air dielectric system: in this system, air enters after by compressor (9) supercharging in refrigerant heat exchanger (4) with refrigerant heat exchange to-110 DEG C of left and right, cold air enters freezer (8), in freezer to thick micelle and help the mixture of fine coal freezing, used air is discharged in atmosphere, in this system, successively compressor, refrigerant heat exchanger, freezer are connected by pipeline, wherein refrigerant heat exchanger, freezer connect by hot insulated line.
(3) rubber low-temperature grinding system: thick micelle mixes in blender (14) with helping fine coal, be transported to heat exchange in normal temperature heat exchanger (12) by pump (15), the thick micelle of precooling and help pulverized coal mixture to enter to be cooled to-90 DEG C of left and right in freezer (8) in forecooler (5) afterwards, the processing material that reaches vitrification point is sent in Lowtemperaturepulverizer (10) to be pulverized, rubber powder after pulverizing is successively by screening machine (11), normal temperature heat exchanger (12), after helping fine coal separator (13), machine, the substandard product filtering out through screening machine (11) is again sent back in Lowtemperaturepulverizer (10) and is pulverized by loop, the fine coal that helps that completes rubber pulverizing technical process recycles after helping fine coal separator (13) to separate, in this system by pipeline by blender, pump, normal temperature heat exchanger, freezer, Lowtemperaturepulverizer, screening machine connects, then screening machine is connected to normal temperature heat exchanger successively, help on fine coal separator.
2. a kind of device of realizing the cold energy use of liquefied natural gas satellite station as claimed in claim 1, it is characterized in that, the equipment that described device comprises has LNG heat exchanger (1), coolant storage tank (2), refrigerant pump (3), refrigerant heat exchanger (4), forecooler (5), normal temperature coolant storage tank (6), normal temperature refrigerant pump (7), freezer (8), compressor (9), Lowtemperaturepulverizer (10), screening machine (11), normal temperature heat exchanger (12), helps fine coal separator (13), blender (14), pump (15).
3. a kind of device of realizing the cold energy use of liquefied natural gas satellite station as claimed in claim 1, is characterized in that, described Lowtemperaturepulverizer (10) is low temperature dry pan.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420052304.8U CN203680586U (en) | 2014-01-24 | 2014-01-24 | Device for utilizing cold energy of liquefied natural gas (LNG) satellite station |
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| CN201420052304.8U CN203680586U (en) | 2014-01-24 | 2014-01-24 | Device for utilizing cold energy of liquefied natural gas (LNG) satellite station |
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| CN201420052304.8U Expired - Fee Related CN203680586U (en) | 2014-01-24 | 2014-01-24 | Device for utilizing cold energy of liquefied natural gas (LNG) satellite station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817821A (en) * | 2014-01-24 | 2014-05-28 | 辽宁石油化工大学 | Method and device for realizing cold energy utilization of liquefied natural gas satellite stations |
| CN110345386A (en) * | 2019-07-19 | 2019-10-18 | 中冶焦耐(大连)工程技术有限公司 | A kind of LNG pipeline pre-cooling technique of self-circulation type |
-
2014
- 2014-01-24 CN CN201420052304.8U patent/CN203680586U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817821A (en) * | 2014-01-24 | 2014-05-28 | 辽宁石油化工大学 | Method and device for realizing cold energy utilization of liquefied natural gas satellite stations |
| CN110345386A (en) * | 2019-07-19 | 2019-10-18 | 中冶焦耐(大连)工程技术有限公司 | A kind of LNG pipeline pre-cooling technique of self-circulation type |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20150124 |
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| EXPY | Termination of patent right or utility model |