CN105953525A - Novel nitrogen condensation type natural gas heat exchanger - Google Patents
Novel nitrogen condensation type natural gas heat exchanger Download PDFInfo
- Publication number
- CN105953525A CN105953525A CN201610474037.7A CN201610474037A CN105953525A CN 105953525 A CN105953525 A CN 105953525A CN 201610474037 A CN201610474037 A CN 201610474037A CN 105953525 A CN105953525 A CN 105953525A
- Authority
- CN
- China
- Prior art keywords
- natural gas
- heat exchange
- heat exchanger
- core body
- nitrogen
- 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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 78
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 39
- 239000003345 natural gas Substances 0.000 title claims abstract description 28
- 230000005494 condensation Effects 0.000 title abstract 5
- 238000009833 condensation Methods 0.000 title abstract 5
- 239000007789 gas Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 abstract description 6
- 238000009529 body temperature measurement Methods 0.000 abstract 4
- 238000007789 sealing Methods 0.000 abstract 3
- 239000007788 liquid Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J5/00—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants
- F25J5/002—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants for continuously recuperating cold, i.e. in a so-called recuperative heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0022—Hydrocarbons, e.g. natural gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0221—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using the cold stored in an external cryogenic component in an open refrigeration loop
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
- F25J1/0262—Details of the cold heat exchange system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J5/00—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/42—Nitrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2270/00—Refrigeration techniques used
- F25J2270/90—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration
- F25J2270/904—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration by liquid or gaseous cryogen in an open loop
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The invention belongs to the technical field of heat exchange and relates to a novel nitrogen condensation type natural gas heat exchanger. The novel nitrogen condensation type natural gas heat exchanger comprises a heat exchange core body. A natural gas inlet is formed in the axial end of the heat exchange core body and connected with a first sealing end in a sealed manner, a natural gas outlet is formed in the other axial end and connected with a third sealing end in a sealed manner, and a first temperature measurement opening is formed in the third sealing end. A nitrogen outlet is formed in the end, close to the natural gas inlet, of the heat exchange core body. A third temperature measurement opening is formed in the nitrogen outlet. The end, close to the natural gas outlet, of the heat exchange core body is provided with a nitrogen inlet. A second temperature measurement opening is formed in the nitrogen inlet. The novel nitrogen condensation type natural gas heat exchanger is simple and reasonable in structure and high in heat exchange efficiency; and due to the fact that the unique temperature measurement openings are designed on the novel nitrogen condensation type natural gas heat exchanger, the heat exchange process can be detected in real time, and the working condition of the heat exchanger can be known conveniently at any time.
Description
Technical field
The invention belongs to technical field of heat exchange, relate to a kind of Novel nitrogen condensed natural gas heat exchanger.
Background technology
At present, low temperature storing and transporting technology, if the low temperature storing and transporting technology of natural gas is because its storing low cost, the storing advantages such as safety is high, easy to operate, increasingly it is widely applied.Wherein, the liquefaction of natural gas is the important prerequisite realizing this technology.
Existing low-temperature heat exchange mainly uses conventional tube shell heat exchanger to carry out, and heat transfer effect is poor, and natural gas liquefaction effect is bad, causes the huge waste of the energy.Simultaneously because lack the temperature measuring equipment of necessity, cause being difficult to the liquefaction situation of natural gas inlet end Yu outlet side is carried out accurate perception.
Summary of the invention
The present invention is directed to the problems referred to above, it is provided that a kind of Novel nitrogen condensed natural gas heat exchanger, this Novel nitrogen condensed natural gas heat exchanger structure advantages of simple, heat exchange efficiency is high, and can heat exchanging process carry out implementing thermometric operation.
According to technical scheme: a kind of Novel nitrogen condensed natural gas heat exchanger, it is characterized in that: include heat exchange core body, the axial one end of described heat exchange core body is Imported gas, and it is tightly connected the first end socket at Imported gas, axially the other end is gas outlet, and it is tightly connected the 3rd end socket at gas outlet, the 3rd end socket arranges the first temperature-measuring port；On described heat exchange core body, nitrogen outlet is set near Imported gas one end, the 3rd temperature-measuring port is set at described nitrogen outlet, heat exchange core body arranges nitrogen inlet near gas outlet one end, the second temperature-measuring port is set at described nitrogen inlet.
As a further improvement on the present invention, described first end socket connects admission line, described admission line arranges the first valve and the first air filling gun.
As a further improvement on the present invention, described 3rd end socket connects outlet pipe, described outlet pipe arranges the second valve and the second air filling gun.
As a further improvement on the present invention, seat supports is passed through bottom described heat exchange core body.
The method have technical effect that: product structure advantages of simple of the present invention, heat exchange efficiency is high, owing to devising the temperature-measuring port of uniqueness on product, it is possible to heat exchanging process detects in real time, in order to grasp the working condition of heat exchanger at any time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is further described.
In Fig. 1, including first end socket the 1, second end socket 2, bearing 3, heat exchange core body 4, the 3rd end socket 5, label the 6, first air filling gun the 7, first valve the 8, second valve the 9, second air filling gun 10, nitrogen inlet 11, nitrogen outlet 12, the 3rd temperature-measuring port the 13, second temperature-measuring port the 14, first temperature-measuring port 15 etc..
As shown in Figure 1, the present invention is a kind of Novel nitrogen condensed natural gas heat exchanger, including heat exchange core body 4, described axial one end of heat exchange core body 4 is Imported gas, and it is tightly connected the first end socket 1 at Imported gas, axially the other end is gas outlet, and is tightly connected the 3rd end socket 5 at gas outlet, and the 3rd end socket 5 arranges the first temperature-measuring port 15；On described heat exchange core body 4, nitrogen outlet 12 is set near Imported gas one end, the 3rd temperature-measuring port 13 is set at described nitrogen outlet 12, heat exchange core body 4 arranges nitrogen inlet 11 near gas outlet one end, the second temperature-measuring port 14 is set at described nitrogen inlet 11.
Connect admission line on first end socket 1, described admission line arranges the first valve 8 and the first air filling gun 7.
Connect outlet pipe on 3rd end socket 5, described outlet pipe arranges the second valve 9 and the second air filling gun 10.
Supported, operationally, by bearing 3 is fixed on corresponding workbench by bearing 3 bottom heat exchange core body 4, it is achieved the installation location of product of the present invention.
Heat exchange core body 4 surface in product of the present invention is further fixed on label 6, and label 6 is for the manufacturer of record product, build date, product designation and relevant information.
First temperature-measuring port the 15, second temperature-measuring port 14 and the 3rd temperature-measuring port 13 three's structure in product of the present invention are identical, it is arranged at airflow orifice position, wherein the second temperature-measuring port 14 is arranged at nitrogen inlet 11,3rd temperature-measuring port 13 is arranged at nitrogen outlet 12, the energy variation of liquid nitrogen can be calculated by both temperature differences, first temperature-measuring port 15 is arranged at gas outlet simultaneously, for measuring the cooling effect of natural gas.
The work process of the present invention is as follows: product of the present invention is operationally, by bearing 3, heat exchange core body 4 is supported on workbench, natural gas to be liquefied is sent in heat exchange core body 4 by the first air filling gun 7, it is passed through liquid nitrogen in nitrogen inlet 11 simultaneously, the flow direction that liquid nitrogen enters after heat exchange core body 4 is contrary with the flow direction of natural gas, guarantee that natural gas has preferable cooling effect, flow out from gas outlet via the natural gas of cooling liquid.In operation process, according to working condition, at first temperature-measuring port the 15, second temperature-measuring port 14 and the 3rd temperature-measuring port 13, carry out thermometric operation at any time, in order to detect the operating mode of heat exchange core body 4 in real time.
Claims (4)
1. a Novel nitrogen condensed natural gas heat exchanger, it is characterized in that: include heat exchange core body (4), described heat exchange core body (4) axially one end is Imported gas, and it is tightly connected the first end socket (1) at Imported gas, axially the other end is gas outlet, and it is tightly connected the 3rd end socket (5) at gas outlet, the 3rd end socket (5) arranges the first temperature-measuring port (15)；Described heat exchange core body (4) is upper arranges nitrogen outlet (12) near Imported gas one end, described nitrogen outlet (12) place arranges the 3rd temperature-measuring port (13), heat exchange core body (4) is upper arranges nitrogen inlet (11) near gas outlet one end, and described nitrogen inlet (11) place arranges the second temperature-measuring port (14).
2. Novel nitrogen condensed natural gas heat exchanger as claimed in claim 1, it is characterised in that: connect admission line on described first end socket (1), described admission line arranges the first valve (8) and the first air filling gun (7).
3. Novel nitrogen condensed natural gas heat exchanger as claimed in claim 1, it is characterised in that: connect outlet pipe on described 3rd end socket (5), described outlet pipe arranges the second valve (9) and the second air filling gun (10).
4. Novel nitrogen condensed natural gas heat exchanger as claimed in claim 1, it is characterised in that: described heat exchange core body (4) bottom is supported by bearing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610474037.7A CN105953525A (en) | 2016-06-24 | 2016-06-24 | Novel nitrogen condensation type natural gas heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610474037.7A CN105953525A (en) | 2016-06-24 | 2016-06-24 | Novel nitrogen condensation type natural gas heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105953525A true CN105953525A (en) | 2016-09-21 |
Family
ID=56904967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610474037.7A Pending CN105953525A (en) | 2016-06-24 | 2016-06-24 | Novel nitrogen condensation type natural gas heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105953525A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023087042A1 (en) * | 2021-11-17 | 2023-05-25 | Avl List Gmbh | Device and method for generating slush lng |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202281456U (en) * | 2011-10-26 | 2012-06-20 | 唐加彬 | Liquefier for collecting carbon dioxide |
| CN102620582A (en) * | 2012-04-19 | 2012-08-01 | 刘猛 | Safety heat exchanger capable of monitoring leakage in real time |
| CN202630750U (en) * | 2012-05-29 | 2012-12-26 | 杭州加联净化设备有限公司 | After-cooler |
| CN102980425A (en) * | 2012-11-14 | 2013-03-20 | 无锡市豫达换热器有限公司 | Low-temperature heat exchanger |
| CN203479079U (en) * | 2013-08-31 | 2014-03-12 | 江苏省中瑞设备安装有限公司 | Condenser |
| CN104006701A (en) * | 2013-02-25 | 2014-08-27 | 泰州市瑞华化工设备制造有限公司 | Heat exchanger capable of being intelligently controlled |
| CN205226877U (en) * | 2015-11-26 | 2016-05-11 | 高超 | Gaseous recovery reliquefaction device of liquefied natural gas evaporation |
| CN205784227U (en) * | 2016-06-24 | 2016-12-07 | 无锡市豫达换热器有限公司 | Novel nitrogen condensed natural gas heat exchanger |
-
2016
- 2016-06-24 CN CN201610474037.7A patent/CN105953525A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202281456U (en) * | 2011-10-26 | 2012-06-20 | 唐加彬 | Liquefier for collecting carbon dioxide |
| CN102620582A (en) * | 2012-04-19 | 2012-08-01 | 刘猛 | Safety heat exchanger capable of monitoring leakage in real time |
| CN202630750U (en) * | 2012-05-29 | 2012-12-26 | 杭州加联净化设备有限公司 | After-cooler |
| CN102980425A (en) * | 2012-11-14 | 2013-03-20 | 无锡市豫达换热器有限公司 | Low-temperature heat exchanger |
| CN104006701A (en) * | 2013-02-25 | 2014-08-27 | 泰州市瑞华化工设备制造有限公司 | Heat exchanger capable of being intelligently controlled |
| CN203479079U (en) * | 2013-08-31 | 2014-03-12 | 江苏省中瑞设备安装有限公司 | Condenser |
| CN205226877U (en) * | 2015-11-26 | 2016-05-11 | 高超 | Gaseous recovery reliquefaction device of liquefied natural gas evaporation |
| CN205784227U (en) * | 2016-06-24 | 2016-12-07 | 无锡市豫达换热器有限公司 | Novel nitrogen condensed natural gas heat exchanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023087042A1 (en) * | 2021-11-17 | 2023-05-25 | Avl List Gmbh | Device and method for generating slush lng |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |