CN211780184U - Cold energy air separation waste heat used for air-temperature type and water bath type gasifier heat source system - Google Patents
Cold energy air separation waste heat used for air-temperature type and water bath type gasifier heat source system Download PDFInfo
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- CN211780184U CN211780184U CN202020183442.5U CN202020183442U CN211780184U CN 211780184 U CN211780184 U CN 211780184U CN 202020183442 U CN202020183442 U CN 202020183442U CN 211780184 U CN211780184 U CN 211780184U
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Abstract
The utility model relates to a natural gas technology field, and disclose the empty waste heat of cold energy is used for empty warm formula and water bath formula vaporizer heat source system, including LNG storage system, hot water system, defogging system, empty warm formula vaporizer (including gasification section and heating segment), cold energy air separation system, water bath formula vaporizer/double heater and high-pressure natural gas outward transportation pipeline, LNG is the storage state of natural gas, utilizes the waste heat that cold energy air separation system's air compressor machine and compressor produced to heat hot water circulation system's low temperature return water, and then is used for defogging and heating gasification, realizes system waste heat utilization, utilizes low temperature return water to air compressor machine and compressor cooling simultaneously, has practiced thrift current gasification, defogging and air compressor machine and compressor cooling's energy consumption, combines cold energy air separation system and liquefied natural gas gasification technology organic.
Description
Technical Field
The utility model relates to a natural gas technical field specifically is empty waste heat that divides of cold energy is used for empty warm formula and water bath formula gasifier heat source system.
Background
Liquefied Natural Gas (LNG), the main component of which is methane, is known as the cleanest fossil energy on earth. The liquefied natural gas is colorless, tasteless, nontoxic and noncorrosive, the volume of the liquefied natural gas is about 1/625 of the volume of the same amount of gaseous natural gas, and the mass of the liquefied natural gas is only about 45 percent of the same volume of water.
The manufacturing process comprises purifying natural gas produced in a gas field, liquefying at a series of ultralow temperatures, and transporting by a liquefied natural gas carrier. After the liquefied natural gas is combusted, the pollution to the air is very small, and the heat emitted by the liquefied natural gas is large, so the liquefied natural gas is a high-quality energy source.
The energy consumption of the existing gasification process system in the demisting and gasification processes is large.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the deficiency of the prior art, the utility model provides a cold energy space division waste heat is used for empty warm formula and water bath formula gasifier heat source system.
(II) technical scheme
The utility model provides a following technical scheme: the cold energy air separation waste heat is used for an air-temperature type and water bath type gasifier heat source system, which comprises an LNG storage system, a hot water system, a demisting system, an air-temperature type gasifier (comprising a gasification section and a heating section), a cold energy air separation system, a water bath type gasifier/reheater and a high-pressure Natural Gas external transmission pipeline, wherein the LNG is in a Natural Gas storage state, Liquefied Natural Gas (LNG) is the most clean fossil energy on the earth, the main component of the LNG is methane, the LNG is generally known as the most clean fossil energy on the earth, the output end of the LNG is connected with the input end of the air-temperature type gasifier gasification section, the output end of the air-temperature type gasifier gasification section is connected with the input end of the air-temperature type gasification heating section, the output end of the air-temperature type gasifier gasification section is also connected with the input end of the water bath type gasifier/reheater, the output end of the air-temperature type gasifier heating section is connected with the input, the output end of the water bath type gasifier/reheater is connected with the input end of the high-pressure natural gas external transmission pipeline. The hot water system comprises a waste heat utilization heating water system of the cold energy air separation system, a liquefied natural gas air temperature type gasification demisting system, a liquefied natural gas water bath type gasification system and a hot water utilization system consisting of a low-temperature natural gas reheating system, the output end of the cold energy air separation system waste heat utilization system is connected with the input ends of the demisting system and the water bath type gasifier/reheating device through the hot water system, and the output ends of the demisting system and the water bath type gasifier/reheating device are connected with the input end of the cold energy air separation system waste heat utilization system through the hot water system.
Preferably, the output end of the hot water system is connected with the input end of the water bath type gasifier/reheater, and the output end of the water bath type gasifier/reheater is connected with the input end of the hot water system.
Preferably, the output end of the hot water system is connected with the input end of the defogging hot water circulating system, and the output end of the defogging hot water circulating system is connected with the input end of the hot water system.
Preferably, waste heat generated by an air compressor and an air compressor of a cold energy air separation system is utilized to heat low-temperature return water of a hot water circulation system, the air compressor and the air compressor can be cooled while system waste heat is utilized, hot water in the hot water system is circularly sent to a demisting device to demist a gasification section of a segmented air-temperature gasifier, the ambient temperature around the gasification section can be increased, the gasification capacity is increased, the total gasification capacity of the gasification section of the air-temperature gasifier is usually twice of that of a heating section due to switching, two gasification devices are combined, firstly, necessary gasification amount is ensured in a combined mode when the capacity of the heating section of the segmented air-temperature gasifier is insufficient, and meanwhile, energy consumption is controlled as much as possible; secondly, when temporary peak regulation is needed, the gasification amount of the segmented air-temperature gasifier is increased in a short time, and the low-temperature natural gas which exceeds the heating capacity of the heating section at the back is heated to the natural gas which meets the output condition through the heat supplementing function of the water bath type gasification/heat supplementing dual-purpose gasifier.
(III) advantageous effects
Compared with the prior art, the utility model provides a cold energy divides empty waste heat to be used for empty warm formula and water bath formula gasifier heat source system possesses following beneficial effect:
1. the waste heat is utilized for demisting of the air temperature type gasifier and a heat source system of the water bath type gasifier, the waste heat generated by an air compressor and an air compressor of the cold energy air separation system is utilized to heat low-temperature return water of a hot water circulation system, the waste heat utilization of the system is realized, the problem that the existing gasification process system needs energy consumption heating is avoided, the cold energy air separation system needs energy consumption cooling, the two systems are mutually independent to cause the condition of energy waste, the comprehensive utilization of energy is realized, and the purpose of energy conservation is achieved.
2. The waste heat is used for demisting the air-heated gasifier and a water bath type gasifier heat source system, hot water in a hot water system is circularly sent to a demisting device to demist a gasification section of a segmented air-heated gasifier, the ambient temperature around the gasification section can be improved, the gasification capacity is increased, the total gasification capacity of the gasification section of the air-heated gasifier is usually twice of that of a heating section due to switching, and the two gasification devices are combined to achieve two purposes, so that firstly, necessary gasification amount is ensured in a combined mode when the capacity of the heating section of the segmented air-heated gasifier is insufficient, and meanwhile, energy consumption is controlled as much as possible; secondly, when temporary peak regulation is needed, the gasification amount of the segmented air-temperature gasifier is increased in a short time, and the low-temperature natural gas which exceeds the heating capacity of the heating section at the back is heated to the natural gas which meets the output condition through the heat supplementing function of the water bath type gasification/heat supplementing dual-purpose gasifier.
Drawings
Fig. 1 is a schematic view of the structural system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the cold energy air separation waste heat is used for the heat source system of the air-temperature type and water-bath type gasifier, which includes an LNG storage system, a hot water system, a defogging system, an air-temperature type gasifier (including a gasification section and a heating section), a cold energy air separation system, a water-bath type gasifier/reheater, and a high-pressure Natural Gas external transmission pipeline, where the LNG is a storage state of Natural Gas, and Liquefied Natural Gas (LNG), which is the cleanest fossil energy on the earth and mainly contains methane, an output end of the LNG storage system is connected to an input end of the gasification section of the air-temperature type gasifier, an output end of the gasification section of the air-temperature type gasifier is connected to an input end of the air-temperature type gasification heating section, an output end of the gasification section of the air-temperature type gasifier is also connected to an input end of the water-bath type gasifier/reheater, an output end of the water-bath type gasifier/reheater is connected to an input end of the high, the output of air temperature formula vaporizer heating section connects the input of high-pressure natural gas defeated pipeline outward, hot water system includes the hot water utilization system that cold energy air separation system's waste heat utilization system and liquefied natural gas air temperature formula gasification's defogging system, liquefied natural gas water bath formula gasification system, low-temperature natural gas reheat system constitute, and the output of cold energy air separation system waste heat utilization system passes through hot water system and is connected with defogging system and the input of water bath formula vaporizer/reheat ware, and defogging system and water bath formula vaporizer/reheat ware's output passes through hot water system and is connected with cold energy air separation system waste heat utilization system's input. The output end of the LNG storage system is connected with the input end of the water bath type gasifier, waste heat generated by an air compressor and an air compressor of the cold energy air separation system is utilized to heat low-temperature return water of a hot water circulation system, meanwhile, the low-temperature return water is utilized to cool the air compressor and the air compressor, the waste heat of the system is utilized, hot water in the hot water system is circularly sent to a demisting device to demist a gasification section of the segmented air-temperature type gasifier, meanwhile, the ambient temperature around the gasification section can be improved, the gasification capacity is increased, the total gasification capacity of the gasification section of the air-temperature type gasifier is usually twice of that of a heating section due to switching, the two gasification devices are combined, firstly, necessary gasification amount is ensured in a combined mode when the capacity of the heating section of the segmented air-temperature type gasifier is insufficient; secondly, when temporary peak regulation is needed, the gasification amount of the segmented air-temperature gasifier is increased in a short time, and the low-temperature natural gas which exceeds the heating capacity of the heating section at the back is heated to the natural gas which meets the output condition through the heat supplementing function of the water bath type gasification/heat supplementing dual-purpose gasifier.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Empty waste heat of cold energy is used for empty warm formula and water bath formula vaporizer heat source system, including LNG storage system, hot-water heating system, defogging system, including the empty warm formula vaporizer of gasification section and heating section, cold energy air separation system, water bath formula vaporizer/double heater and high-pressure natural gas outward transport pipeline, its characterized in that: the output end of the LNG storage system is connected with the input end of the gasification section of the air-temperature type gasifier, the output end of the gasification section of the air-temperature type gasifier is connected with the input end of the air-temperature type gasification heating section, and the output end of the gasification section of the air-temperature type gasifier is also connected with the input end of the water bath type gasifier/reheater;
the output end of the heating section of the air-temperature gasifier is connected with the input end of the high-pressure natural gas external conveying pipeline, and the output end of the water-bath gasifier/reheater is connected with the input end of the high-pressure natural gas external conveying pipeline;
the hot water system comprises a waste heat utilization heating water system of the cold energy air separation system, a liquefied natural gas air temperature type gasification demisting system, a liquefied natural gas water bath type gasification system and a hot water utilization system consisting of a low-temperature natural gas reheating system, the output end of the cold energy air separation system waste heat utilization system is connected with the input ends of the demisting system and the water bath type gasifier/reheating device through the hot water system, and the output ends of the demisting system and the water bath type gasifier/reheating device are connected with the input end of the cold energy air separation system waste heat utilization system through the hot water system.
2. The cold energy air separation waste heat energy and water bath type gasifier heat source system according to claim 1, characterized in that: the LNG is a storage state of natural gas.
3. The cold energy air separation waste heat energy and water bath type gasifier heat source system according to claim 1, characterized in that: and the output end of the cold energy air separation system is connected with the input end of the hot water system.
4. The cold energy air separation waste heat energy and water bath type gasifier heat source system according to claim 1, characterized in that: and the output end of the demisting system is connected with the input end of the hot water system.
5. The cold energy air separation waste heat energy and water bath type gasifier heat source system according to claim 1, characterized in that: the output end of the water bath type gasifier/reheater is connected with the input end of the hot water system.
6. The cold energy air separation waste heat energy and water bath type gasifier heat source system according to claim 1, characterized in that: the output end of the LNG storage system is connected with the input end of the water bath type gasifier.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020183442.5U CN211780184U (en) | 2020-02-19 | 2020-02-19 | Cold energy air separation waste heat used for air-temperature type and water bath type gasifier heat source system |
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| CN202020183442.5U CN211780184U (en) | 2020-02-19 | 2020-02-19 | Cold energy air separation waste heat used for air-temperature type and water bath type gasifier heat source system |
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