CN214307400U - Air conditioning system utilizing waste heat of air separation production - Google Patents

Air conditioning system utilizing waste heat of air separation production Download PDF

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Publication number
CN214307400U
CN214307400U CN202120128920.7U CN202120128920U CN214307400U CN 214307400 U CN214307400 U CN 214307400U CN 202120128920 U CN202120128920 U CN 202120128920U CN 214307400 U CN214307400 U CN 214307400U
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cold
hot
inlet pipe
outlet pipe
water inlet
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CN202120128920.7U
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栾长珍
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Yichang Tiantian Electric Co ltd
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Individual
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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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62—Absorption based systems
    • Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration

Abstract

A cooling and heating air conditioning system utilizing waste heat produced by air separation comprises an air separation production system and a lithium bromide refrigerating unit, wherein a cold and hot shared water inlet pipe and a cold and hot shared water outlet pipe are arranged on the lithium bromide refrigerating unit, one end of the cold and hot shared water inlet pipe and one end of the cold and hot shared water outlet pipe are connected to the lithium bromide refrigerating unit, and the other end of the cold and hot shared water inlet pipe and the cold and hot shared water outlet pipe are connected to a radiator; the plate heat exchanger is connected with a hot water inlet pipe and a hot water heat exchange rear outlet pipe; the cold and hot shared water inlet pipe and the cold and hot shared water outlet pipe are respectively connected with a cold water heat exchange rear water inlet pipe and a first cold water outlet pipe; the precooling system is connected with a cold water heat exchange rear water inlet pipe and a second cold water outlet pipe, the second cold water outlet pipe is connected with the cold water outlet pipe, and the cold water heat exchange rear water inlet pipe is connected with the cold water heat exchange rear water inlet pipe. This is novel adopts above-mentioned structure, can regard as the energy source that the heating was enjoyed cool with the heat energy that produces in the production, and precooling air in the leading-in precooling system of unnecessary cold energy reaches the purpose of energy saving.

Description

Air conditioning system utilizing waste heat of air separation production
Technical Field
The utility model relates to a heat energy utilization field, specific is an utilize cold warm air conditioning system who divides production waste heat that divides.
Background
The air separation system is provided with operating equipment such as a compressor, a supercharger and the like, circulating water is required to be used for cooling the equipment and compressed gas, and the circulating water is heated by the equipment and the gas and then is required to be cooled by using electric energy consumed by a refrigerator so as to be reused. The molecular sieve purifier is an indispensable device in an air separation system and is used for removing carbon dioxide and water in air, after the molecular sieve purifier absorbs sufficient carbon dioxide and water, the molecular sieve purifier needs to be heated to separate and discharge the carbon dioxide and water, an electric heater is conventionally used to consume electricity to heat waste nitrogen, and the heated waste nitrogen enters the molecular sieve purifier to heat the molecular sieve to carry away the separated carbon dioxide and water.
In the air separation production, the plate heat exchanger can generate waste heat in the refrigeration process, and the waste heat is wasted. And a precooling system in the air separation production needs cold energy, and if the part of waste heat can be utilized as air conditioning energy for production and life, the energy utilization rate can be greatly improved.
Disclosure of Invention
The utility model aims to solve the technical problem that an utilize cold warm air conditioning system who divides production waste heat is provided, can regard as workshop, the energy source that the office building heating was enjoyed cool with the heat energy that produces in the production, and the leading-in precooling system precooling air of production in-process of unnecessary cold energy gets into next production process to reach the purpose of energy saving.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides an utilize cold warm air conditioning system of empty production waste heat that divides, includes empty production system and lithium bromide refrigerating unit that divides which characterized in that: the lithium bromide refrigerating unit is provided with a cold-hot shared water inlet pipe and a cold-hot shared water outlet pipe, one end of the cold-hot shared water inlet pipe and one end of the cold-hot shared water outlet pipe are connected to a coil pipe in a generator in the lithium bromide refrigerating unit, and the other end of the cold-hot shared water inlet pipe and the cold-hot shared water outlet pipe are connected to a radiator in a control room;
a hot water inlet pipe and a hot water heat exchange rear outlet pipe are connected to a plate heat exchanger in the air separation production system, the hot water inlet pipe is connected to a cold and hot shared inlet pipe, and the hot water heat exchange rear outlet pipe is connected to the cold and hot shared outlet pipe;
the cold and hot shared water inlet pipe and the cold and hot shared water outlet pipe are respectively connected with a cold water heat-exchange rear water inlet pipe and a first cold water outlet pipe, the cold water heat-exchange rear water inlet pipe is connected to the cold and hot shared water outlet pipe, and the first cold water outlet pipe is connected to the cold and hot shared water inlet pipe;
and a precooling system in the air separation production system is connected with a cold water heat exchange rear water inlet pipe and a second cold water outlet pipe, the second cold water outlet pipe is connected with a cold water outlet pipe, and the cold water heat exchange rear water inlet pipe is connected with a cold water second heat exchange rear water inlet pipe.
In the preferred scheme, a valve A1 and a valve A2 are respectively arranged on the hot water inlet pipe and the hot water outlet pipe after heat exchange;
a valve B1 is arranged on the cold and hot shared water inlet pipe between the connection position of the hot water inlet pipe and the cold and hot shared water inlet pipe and the lithium bromide refrigerating unit, and a valve B2 is arranged on the cold and hot shared water outlet pipe between the connection position of the hot water outlet pipe and the cold and hot shared water outlet pipe after heat exchange of hot water and the lithium bromide refrigerating unit;
a valve C1 is arranged on the cold and hot shared water inlet pipe between the connection position of the hot water inlet pipe and the cold and hot shared water inlet pipe and the control room, and a valve C2 is arranged on the cold and hot shared water outlet pipe between the connection position of the hot water outlet pipe and the cold and hot shared water outlet pipe and the control room after heat exchange;
a valve D1 and a valve D2 are respectively arranged on the water inlet pipe and the first cold water outlet pipe after the cold water exchanges heat;
and a valve E2 and a valve E1 are respectively arranged on the water inlet pipe and the second cold water outlet pipe after the cold water exchanges heat.
In the preferred scheme, still be equipped with many bypass pipelines on the cold and hot shared inlet tube of cold and hot sharing outlet pipe, many bypass pipelines are connected to respectively on the radiator in a plurality of different office buildings.
In the preferable scheme, a branch which penetrates through an absorber in the lithium bromide refrigerating unit is further arranged on the cold water heat exchange water inlet pipe, and the branch penetrates through the absorber in the lithium bromide refrigerating unit and then is connected with a second cold water outlet pipe.
The utility model provides a cold warm air conditioning system utilizing air separation production waste heat, through adopting the structure, in winter, the waste heat generated by the plate heat exchanger in the air separation production refrigeration process is directly led into an office building and a central control room, and the heating is realized through the radiator; in summer, the waste heat is converted into cold energy through a lithium bromide refrigeration system, the cold energy is introduced into an office building and a central control room through a cold water pipe for cooling, and the redundant cold energy is introduced into a precooling system in the air separation production system flow to precool air and enter the next air separation process, so that the purposes of energy conservation and emission reduction can be achieved.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the air separation production system comprises an air separation production system 1, a plate heat exchanger 101, a precooling system 102, a control room 2, an office building 3, a cold-hot shared water inlet pipe 4, a cold-hot shared water outlet pipe 5, a cold-water heat exchange rear water inlet pipe 6, a first cold-water outlet pipe 7, a lithium bromide refrigerating unit 8, a second cold-water outlet pipe 10, a hot-water inlet pipe 11 and a hot-water heat exchange rear water outlet pipe 12.
Detailed Description
As shown in fig. 1, a cooling and heating air conditioning system using waste heat produced by air separation comprises an air separation production system 1 and a lithium bromide refrigerating unit 8, wherein the lithium bromide refrigerating unit 8 is provided with a cold and hot shared water inlet pipe 4 and a cold and hot shared water outlet pipe 5, one end of the cold and hot shared water inlet pipe 4 and the cold and hot shared water outlet pipe 5 is connected to a coil pipe in a generator in the lithium bromide refrigerating unit 8, and the other end is connected to a radiator in a control room 2;
a hot water inlet pipe 11 and a hot water heat exchange rear outlet pipe 12 are connected to a plate heat exchanger 101 in the air separation production system 1, the hot water inlet pipe 11 is connected to a cold and hot common inlet pipe 4, and the hot water heat exchange rear outlet pipe 12 is connected to a cold and hot common outlet pipe 5;
the cold and hot shared water inlet pipe 4 and the cold and hot shared water outlet pipe 5 are also respectively connected with a cold water heat exchange rear water inlet pipe 6 and a first cold water outlet pipe 7, the cold water heat exchange rear water inlet pipe 6 is connected to the cold and hot shared water outlet pipe 5, and the first cold water outlet pipe 7 is connected to the cold and hot shared water inlet pipe 4;
the precooling system 102 in the air separation production system 1 is connected with a cold water heat exchange rear water inlet pipe 6 and a second cold water outlet pipe 10, the second cold water outlet pipe 10 is connected with a cold water outlet pipe 7, and the cold water heat exchange rear water inlet pipe 6 is connected with the cold water heat exchange rear water inlet pipe 6.
In the preferred scheme, a valve A1 and a valve A2 are respectively arranged on the hot water inlet pipe 11 and the hot water outlet pipe 12 after heat exchange;
a valve B1 is arranged on the cold-hot shared water inlet pipe 4 between the connecting position of the hot water inlet pipe 11 and the cold-hot shared water inlet pipe 4 and the lithium bromide refrigerating unit 8, and a valve B2 is arranged on the cold-hot shared water outlet pipe 5 between the connecting position of the hot water outlet pipe 12 and the cold-hot shared water outlet pipe 5 and the lithium bromide refrigerating unit 8 after heat exchange;
a valve C1 is arranged on the cold and hot shared water inlet pipe 4 between the connecting position of the hot water inlet pipe 11 and the cold and hot shared water inlet pipe 4 and the control room 2, and a valve C2 is arranged on the cold and hot shared water outlet pipe 5 between the connecting position of the hot water outlet pipe 12 and the cold and hot shared water outlet pipe 5 and the control room 2 after heat exchange;
after the heat exchange of the cold water, a valve D1 and a valve D2 are respectively arranged on the water inlet pipe 6 and the first cold water outlet pipe 7;
and a valve E2 and a valve E1 are respectively arranged on the water inlet pipe 6 and the second cold water outlet pipe 10 after the cold water exchanges heat.
In the preferred scheme, a plurality of bypass pipelines are further arranged on the cold and hot shared water inlet pipe 4 and the cold and hot shared water outlet pipe 5, and the plurality of bypass pipelines are respectively connected to radiators in a plurality of different office buildings 3.
In the preferable scheme, a branch passing through an absorber in the lithium bromide refrigerating unit 8 is further arranged on the cold water heat exchange water inlet pipe 6, and the branch passes through the absorber in the lithium bromide refrigerating unit 8 and then is connected with a second cold water outlet pipe 10.
The novel principle is as follows:
referring to fig. 1, the plate heat exchanger 101 generates waste heat during the cooling process, and when the waste heat needs to be utilized, the valves a1 and a2 are opened.
In winter, air conditioning needs a heat source, at the moment, the valves B1 and B2 are closed, the valves C1 and C2 are opened, the valves D1 and D2 are closed, heat energy is radiated and heated by a radiator in the control room 2 (or the office building 3) along the hot water inlet pipe 11 and the cold-hot shared inlet pipe 4, and cold energy generated after heat exchange flows back to the plate heat exchanger 101 through the cold-hot shared outlet pipe 5 and the hot water heat exchange outlet pipe 12
In summer, air conditioning needs a cold source, at the moment, the valves C1 and C2 are closed, the valves B1 and B2 are opened, waste heat is introduced into the lithium bromide refrigerating unit 8 through the hot water pipes 11 and 12 to perform heat exchange, cooling water is introduced into the control room 2 (or the office building 3) through the cold water heat exchange rear water inlet pipe 6, the first cold water outlet pipe 7, the cold and hot shared water inlet pipe 4 and the cold and hot shared water outlet pipe 5, the room is cooled through the radiator, and redundant cold energy is introduced into the precooling system 102 of the air separation production system 1 through the cold water heat exchange rear water inlet pipe 6 and the second cold water outlet pipe 10 to enter the next air separation process.

Claims (4)

1. The utility model provides an utilize cold warm air conditioning system of empty production waste heat that divides, includes empty production system (1) and lithium bromide refrigerating unit (8), its characterized in that: a cold and hot shared water inlet pipe (4) and a cold and hot shared water outlet pipe (5) are arranged on the lithium bromide refrigerating unit (8), one end of the cold and hot shared water inlet pipe (4) and one end of the cold and hot shared water outlet pipe (5) are connected to a coil pipe in a generator in the lithium bromide refrigerating unit (8), and the other end of the cold and hot shared water inlet pipe and the cold and hot shared water outlet pipe are connected to a radiator in the control room (2);
a hot water inlet pipe (11) and a hot water heat exchange rear outlet pipe (12) are connected to a plate heat exchanger (101) in the air separation production system (1), the hot water inlet pipe (11) is connected to a cold and hot shared inlet pipe (4), and the hot water heat exchange rear outlet pipe (12) is connected to a cold and hot shared outlet pipe (5);
the cold and hot shared water inlet pipe (4) and the cold and hot shared water outlet pipe (5) are respectively connected with a cold water heat exchange rear water inlet pipe (6) and a first cold water outlet pipe (7), the cold water heat exchange rear water inlet pipe (6) is connected to the cold and hot shared water outlet pipe (5), and the first cold water outlet pipe (7) is connected to the cold and hot shared water inlet pipe (4);
a precooling system (102) in the air separation production system (1) is connected with a cold water heat exchange rear water inlet pipe (6) and a second cold water outlet pipe (10), the second cold water outlet pipe (10) is connected with a cold water outlet pipe (7), and the cold water heat exchange rear water inlet pipe (6) is connected with the cold water heat exchange rear water inlet pipe (6).
2. A cooling and heating air conditioning system using waste heat generated by air separation according to claim 1, characterized in that: the hot water inlet pipe (11) and the hot water heat exchange rear outlet pipe (12) are respectively provided with a valve A1 and a valve A2;
a valve B1 is arranged on the cold and hot shared water inlet pipe (4) between the connecting position of the hot water inlet pipe (11) and the cold and hot shared water inlet pipe (4) and the lithium bromide refrigerating unit (8), and a valve B2 is arranged on the cold and hot shared water outlet pipe (5) between the connecting position of the hot water outlet pipe (12) and the cold and hot shared water outlet pipe (5) and the lithium bromide refrigerating unit (8) after heat exchange;
a valve C1 is arranged on the cold and hot shared water inlet pipe (4) between the connection position of the hot water inlet pipe (11) and the cold and hot shared water inlet pipe (4) and the control room (2), and a valve C2 is arranged on the cold and hot shared water outlet pipe (5) between the connection position of the hot water outlet pipe (12) and the cold and hot shared water outlet pipe (5) and the control room (2) after heat exchange;
a valve D1 and a valve D2 are respectively arranged on the cold water heat exchange inlet pipe (6) and the first cold water outlet pipe (7);
and a valve E2 and a valve E1 are respectively arranged on the water inlet pipe (6) and the second cold water outlet pipe (10) after the cold water exchanges heat.
3. A cooling and heating air conditioning system using waste heat generated by air separation according to claim 1, characterized in that: the cold and hot shared water inlet pipe (4) and the cold and hot shared water outlet pipe (5) are also provided with a plurality of bypass pipelines, and the plurality of bypass pipelines are respectively connected to radiators in a plurality of different office buildings (3).
4. A cooling and heating air conditioning system using waste heat generated by air separation according to claim 1, characterized in that: and a branch which penetrates through an inner absorber of the lithium bromide refrigerating unit (8) is also arranged on the cold water heat exchange water inlet pipe (6), and the branch penetrates through the inner absorber of the lithium bromide refrigerating unit (8) and then is connected with a second cold water outlet pipe (10).
CN202120128920.7U 2021-01-18 2021-01-18 Air conditioning system utilizing waste heat of air separation production Active CN214307400U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120128920.7U CN214307400U (en) 2021-01-18 2021-01-18 Air conditioning system utilizing waste heat of air separation production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120128920.7U CN214307400U (en) 2021-01-18 2021-01-18 Air conditioning system utilizing waste heat of air separation production

Publications (1)

Publication Number Publication Date
CN214307400U true CN214307400U (en) 2021-09-28

Family

ID=77825671

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120128920.7U Active CN214307400U (en) 2021-01-18 2021-01-18 Air conditioning system utilizing waste heat of air separation production

Country Status (1)

Country Link
CN (1) CN214307400U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20221028

Address after: 443002 # 74-5, Qiaohu Second Road, Xiling District, Yichang City, Hubei Province

Patentee after: Yichang Tiantian Electric Co.,Ltd.

Address before: 443002 No. 19-207, qiaohu 1st Road, Xiling District, Yichang City, Hubei Province

Patentee before: Luan Changzhen

TR01 Transfer of patent right