CN203479086U - Water bath type heat exchanger recycling cold energy - Google Patents
Water bath type heat exchanger recycling cold energy Download PDFInfo
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- CN203479086U CN203479086U CN201320296638.5U CN201320296638U CN203479086U CN 203479086 U CN203479086 U CN 203479086U CN 201320296638 U CN201320296638 U CN 201320296638U CN 203479086 U CN203479086 U CN 203479086U
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- tube bundle
- water
- heat exchanger
- shaped heat
- tank body
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Abstract
The utility model provides a water bath type heat exchanger recycling cold energy. The heat exchanger comprises a water pot body (5), a gas phase U-shaped heat exchange tube bundle (3) and a liquid phase U-shaped heat exchange tube bundle (4), wherein the water pot body (5) is provided with a water inlet (1) and a water outlet (2), the gas phase U-shaped heat exchange tube bundle (3) and the liquid phase U-shaped heat exchange tube bundle (4) are parallelly arranged in the pot, and the heat exchange tube bundles are supported by supporting legs; and interfaces of the gas phase U-shaped heat exchange tube bundle (3) and the liquid phase U-shaped heat exchange tube bundle (4) are connected with a channel of an outer side of the pot body (5) and are connected with an external pipeline through a flange interface on the channel. Water bath flowing in the pot body is used to take the cold energy of liquefied natural gas or low-temperature natural gas to be provided to other external objects that need the cold energy. The water bath type heat exchanger recycling cold energy mainly solves the problem that an existing air temperature type gasifier and water bath type recuperator cannot recycle cold energy.
Description
Technical field
The utility model designs the chemical industry equipment that a kind of energy reclaims, the water-bath type heat exchanger of especially a kind of recovery liquefied natural gas (LNG) gasification cold and cryogenic natural gas re-heat cold.
Background technology
Along with developing rapidly of China's liquefied natural gas (LNG) industry, the application of liquefied natural gas (LNG) in industry, the people's livelihood is more and more extensive.Liquefied natural gas (LNG) has plurality of advantages on transportation stores, but liquefied natural gas (LNG) must be gas at normal temperature from cryogenic liquid gasification before incoming terminal user.Current middle-size and small-size LNG Vaporizing Station has been widely used in cities and towns air feed, and two kinds of air temperature type or water bath type gasifiers are conventionally selected in this field, class station on gasification liquefied natural gas (LNG) equipment.Air temperature type liquified natural gas (LNG) gasifier is to utilize environment temperature and Air Flow to provide energy for liquefied natural gas (LNG) gasifies, the cold that liquefied natural gas (LNG) discharges is carried away in environment by air, though have no way of utilizing these colds also not need other energy consumption investments.Conventional water-bath type liquefied natural gas (LNG) gasifier is to utilize hot water to provide energy for liquefied natural gas (LNG) gasifies, the cold that liquefied natural gas (LNG) gasification discharges need to consume the heat energy being formed by electric energy or other energy conversions, needs certain investment ability to realize the target of liquefied natural gas (LNG) gasification.The utility model belongs to a kind of of water bath type gasifier.Compare with traditional water bath formula gasifier, when meeting and providing heat for liquefied natural gas (LNG) gasification, also can realize the recycling of liquefied natural gas (LNG) cold energy, belong to energy saving and environment friendly equipment.
Summary of the invention
The purpose of this utility model is to utilize water-bath that the cold absorption of liquefied natural gas or cryogenic natural gas is offered to outside other needs the object of cold.The utility model emphasis has solved the problem that existing liquefied natural gas (LNG) gasifier can not reclaim cold, has proposed a multiduty water-bath type heat exchanger.
The technical solution of the utility model is as follows:
Reclaim a water-bath type heat exchanger for liquefied natural gas gasifying cold, comprise that equipment body is water pot tank body 5, the U-shaped heat-exchanging tube bundle 3 of gas phase and the U-shaped heat-exchanging tube bundle 4 of liquid phase; On water pot tank body 5, be provided with water inlet 1 and delivery port 2; The U-shaped heat-exchanging tube bundle 3 of gas phase and the U-shaped heat-exchanging tube bundle 4 of liquid phase are set in parallel in tank, higher than the position of delivery port 2, by supporting leg, are supported; The interface of the U-shaped heat-exchanging tube bundle 3 of gas phase and the U-shaped heat-exchanging tube bundle 4 of liquid phase is connected with the bobbin carriage in tank body 5 outsides, by the flange-interface on bobbin carriage, connects external pipe.
In described water pot tank body 5, static mixer 7 is set.The thermometer mouth 9 of measuring water temperature is set in water pot tank body 5 bottoms.
On water pot tank body 5 tops, voltage stabilizing mouth 6 is set, connecting pipe valve maintains tank internal pressure.
Water pot tank body 5 is provided with drain 11, liquid level gauge mouth 12, manhole 13 and cat ladder.
The U-shaped tube bank quantity of gas phase be set to a set of or a set of more than.
The U-shaped tube bank quantity of liquid phase be set to a set of or a set of more than.
When the U-shaped heat-exchanging tube bundle 3 of gas phase or U-shaped heat-exchanging tube bundle 4 length of liquid phase are in 5m, water pot tank body form is selected vertical or horizontal.
When the U-shaped heat-exchanging tube bundle 3 of gas phase or the U-shaped heat-exchanging tube bundle of liquid phase 4 tube bank length are when 5m is above, water pot tank body form is horizontal
Water in water pot tank body 5 is that the medium of heat energy is provided for liquefied natural gas (LNG), by external equipment, realizes flowing of water.
Summer environment temperature is higher, and for realizing cold recovery, before liquefied natural gas (LNG) enters traditional air-heating type gasifier, extension liquefied natural gas (LNG) enters the U-shaped heat-exchanging tube bundle 4 of liquid phase of the present utility model.Natural gas after gasification heats up leaves the U-shaped heat-exchanging tube bundle 4 of liquid phase and delivers to conveyance conduit.Absorb the water of cold as air conditioning cooling water, also can be used as recirculated cooling water, thereby reach the object of energy-conserving and environment-protective.
Winter, traditional air-heating type gasifier may not be by liquefied natural gas (LNG) re-heat to temperature required under bad weather because environment temperature is low.In this case, traditional mode is to set up water-bath type recuperator in air-heating type gasifier outlet, utilizes electric energy heated water bath re-heat cryogenic natural gas.The utility model can replace traditional water-bath type recuperator.Cryogenic natural gas by the U-shaped tube bank 3 of gas phase of the present utility model by hot water re-heat.Hot water in water pot tank body 5 can draw self-circulating water backwater in the situation of having ready conditions, and has both reclaimed cold, has reduced again the load of circulating water equipment.In the time of can not utilizing hot water, can utilize other heating agent is water heating in tank through the U-shaped tube bank 4 of liquid phase.
Accompanying drawing explanation
Fig. 1: water-bath type heat exchanger front view.
Fig. 2: water-bath type heat exchanger top view.
Wherein: 1. water inlet, 2. delivery port, 3. gas phase U-shaped tube bank, 4. liquid phase U-shaped tube bank, 5. water pot tank body, 6. voltage stabilizing mouth, 7. static mixer, 8. overfall, 9. thermometer mouth, 10. tube bundle support, 11. drains, 12. liquid level gauge mouths, 13. manholes, the U-shaped tube bank interface of 14. liquid phase, the 15. end socket bobbin carriages that dock with the U-shaped tube bank of liquid phase, the U-shaped tube bank interface of 16. gas phase, the 17. end socket bobbin carriages that dock with the U-shaped tube bank of gas phase, the U-shaped tube bank fixed tube sheet of 18. liquid phase, the U-shaped tube bank fixed tube sheet of 19. gas phase, 20. take over mouth, and 21 take over mouth
Embodiment
Below in conjunction with accompanying drawing and example, the present invention is further described.
Equipment body is a water pot tank body 5, and water inlet 1 and delivery port 2 lay respectively at the upper and lower of tank wall.The U-shaped heat-exchanging tube bundle 3 of a set of gas phase parallel with the U-shaped heat-exchanging tube bundle 4 of a set of liquid phase go deep in tank being supported on the position a little more than delivery port 2 by tube bundle support 10.The tank body 5 sidepiece design U-shaped tube bank interface 14 of liquid phase and the U-shaped tube bank interfaces 16 of gas phase.U-shaped tube bank interface 14 ends of liquid phase arrange the U-shaped tube bank fixed tube sheet 18 of liquid phase, and liquid phase U-shaped tube bank 4 is arranged on the U-shaped tube bank fixed tube sheet 18 of liquid phase.The flange of the U-shaped tube bank fixed tube sheet 18 of liquid phase docks fixing with the flange of end socket bobbin carriage 15, arrange and take over mouthful 20 connection natural gas lines on bobbin carriage.U-shaped tube bank interface 16 ends of gas phase arrange the U-shaped tube bank fixed tube sheet 19 of gas phase, and gas phase U-shaped tube bank 3 is arranged on the U-shaped tube bank fixed tube sheet 19 of gas phase.The flange of the U-shaped tube bank fixed tube sheet 19 of gas phase docks fixing with the flange of end socket bobbin carriage 17, arrange and take over mouthful 21 connection natural gas lines on bobbin carriage.
The said equipment is to have considered all conditions, as required, according to the equipment of any combination of claim, can realize the utility model.
The utility model in the winter time with have different usings method summer, specifically describe as follows:
Winter
Because liquefied natural gas (LNG) possibly cannot be warming up to predetermined temperature after air-heating type gasifier, therefore the cryogenic natural gas that leaves air-heating type gasifier is caused to the U-shaped tube bank 3 of gas phase, is transported to downstream line after heating up by the U-shaped tube bank 3 of gas phase and the interior mobile water heat exchange of water pot tank body 5.Water in tank draws the recirculated water backwater from field, station, absorbs after cold is lowered the temperature and gets back to recirculated water return main, thereby reduce circulating water machine utilization in tank.
Summer
In the field, station that has central air-conditioning, liquefied natural gas (LNG) pipeline before entering air-heating type gasifier is drawn one LNG and is entered the U-shaped tube bank 4 of liquid phase.LNG when the U-shaped tube bank 4 of liquid phase with the interior mobile water heat exchange of water pot tank body 5, after gasification heats up and deliver to downstream line from air-heating type gasifier exit gas converges.The water absorbing after cold is used as central air-conditioner cooling water.In the field, station that has recirculated cooling water, the water absorbing after cold also can be used for supplementing of circulation cooling water, thereby plays the effect of energy-conserving and environment-protective.
Effect of the present invention is: it is a set of that the utility model has been manufactured use at present.Empirical tests the utility model can guarantee the air conditioning cooling water of this field, station in summer; Bad weather can guarantee that re-heat natural gas reaches the defeated requirement of pipe in the winter time.
Claims (8)
1. reclaim a water-bath type heat exchanger for cold, this heat exchanger comprises water pot tank body (5), the U-shaped heat-exchanging tube bundle of gas phase (3) and the U-shaped heat-exchanging tube bundle of liquid phase (4); It is characterized in that being provided with on water pot tank body (5) water inlet (1) and delivery port (2); The U-shaped heat-exchanging tube bundle of gas phase (3) and the U-shaped heat-exchanging tube bundle of liquid phase (4) are set in parallel in tank, and heat-exchanging tube bundle is supported by supporting leg; The interface of the U-shaped heat-exchanging tube bundle of gas phase (3) and the U-shaped heat-exchanging tube bundle of liquid phase (4) is connected with the bobbin carriage in tank body (5) outside, by the flange-interface on bobbin carriage, connects external pipe.
2. heat exchanger as claimed in claim 1, is characterized in that arranging static mixer (7) in water pot tank body (5).
3. heat exchanger as claimed in claim 1, is characterized in that arranging in water pot tank body (5) bottom the thermometer mouth (9) of measuring water temperature.
4. heat exchanger as claimed in claim 1, is characterized in that, at water pot tank body (5) top, voltage stabilizing mouth (6) is set, and voltage stabilizing mouth (6) is connected with pipeline valve, to maintain tank internal pressure.
5. heat exchanger as claimed in claim 1, is characterized in that water pot tank body (5) is provided with drain (11), liquid level gauge mouth (12), manhole (13), overfall (8) and cat ladder.
6. heat exchanger as claimed in claim 1, it is characterized in that the U-shaped tube bank quantity of gas phase be set to a set of or a set of more than.
7. heat exchanger as claimed in claim 1, is characterized in that water pot tank body form is selected vertical or horizontal when the U-shaped heat-exchanging tube bundle of gas phase (3) or the U-shaped heat-exchanging tube bundle of liquid phase (4) length are not more than 5m.
8. heat exchanger as claimed in claim 1, is characterized in that water pot tank body form is horizontal when the U-shaped heat-exchanging tube bundle of gas phase (3) or the U-shaped heat-exchanging tube bundle of liquid phase (4) tube bank length are greater than 5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320296638.5U CN203479086U (en) | 2013-05-27 | 2013-05-27 | Water bath type heat exchanger recycling cold energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320296638.5U CN203479086U (en) | 2013-05-27 | 2013-05-27 | Water bath type heat exchanger recycling cold energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479086U true CN203479086U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320296638.5U Expired - Lifetime CN203479086U (en) | 2013-05-27 | 2013-05-27 | Water bath type heat exchanger recycling cold energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203479086U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402651A (en) * | 2016-11-25 | 2017-02-15 | 江苏德邦工程有限公司 | Novel liquefied natural gas cold energy recovery equipment and recovery method |
| CN113217812A (en) * | 2021-06-24 | 2021-08-06 | 港华投资有限公司 | Technology and system for restraining cold fog and saving energy for LNG (liquefied Natural gas) gasification station |
-
2013
- 2013-05-27 CN CN201320296638.5U patent/CN203479086U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402651A (en) * | 2016-11-25 | 2017-02-15 | 江苏德邦工程有限公司 | Novel liquefied natural gas cold energy recovery equipment and recovery method |
| CN113217812A (en) * | 2021-06-24 | 2021-08-06 | 港华投资有限公司 | Technology and system for restraining cold fog and saving energy for LNG (liquefied Natural gas) gasification station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TIANJIN ZENITH PETROLEUM AND NATURAL GAS ENGINEERI Free format text: FORMER NAME: TIANJIN ZENITH ENGINEERING + CONSULTATION CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Rong Yuan Road 300384 Tianjin city Nankai District Huayuan Industrial Park No. 1 Tian Hotel Room 507 building A Patentee after: TIANJIN ZENITH OIL&GAS ENGINEERING Co.,Ltd. Address before: Rong Yuan Road 300384 Tianjin city Nankai District Huayuan Industrial Park No. 1 Tian Hotel Room 507 building A Patentee before: TIANJIN ZENITH ENGINEERING & CONSULTATION CO.,LTD. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 301800 Tianjin District of Baodi City Industrial Zone No. 2 Fuyilu plastic products Patentee after: TIANJIN ZENITH OIL&GAS ENGINEERING Co.,Ltd. Address before: Rong Yuan Road 300384 Tianjin city Nankai District Huayuan Industrial Park No. 1 Tian Hotel Room 507 building A Patentee before: TIANJIN ZENITH OIL&GAS ENGINEERING Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |