CN203190851U - Horizontal type coil pipe warm water circulation large flow natural gas recuperator - Google Patents
Horizontal type coil pipe warm water circulation large flow natural gas recuperator Download PDFInfo
- Publication number
- CN203190851U CN203190851U CN 201320197638 CN201320197638U CN203190851U CN 203190851 U CN203190851 U CN 203190851U CN 201320197638 CN201320197638 CN 201320197638 CN 201320197638 U CN201320197638 U CN 201320197638U CN 203190851 U CN203190851 U CN 203190851U
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- Prior art keywords
- natural gas
- cylindrical shell
- heat exchanging
- warm water
- heat exchange
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Abstract
The utility model provides a horizontal type coil pipe warm water circulation large flow natural gas recuperator which comprises a barrel body. Sealing heads are arranged at the two ends of the barrel body which is in a horizontal type. Heat exchanging coil pipes are arranged in the barrel body. A circulation water inlet pipe is arranged at one end of the barrel body. A circulation water outlet pipe is arranged at the other end of the barrel body. A liquid natural gas inlet pipe is arranged beside the circulation water outlet pipe. A liquid natural gas distributor is arranged below the liquid natural gas inlet pipe and is connected with one ends of the heat exchanging coil pipes. The other ends of the heat exchanging coil pipes are connected with a gas state natural gas distributor which is connected with a gas state natural gas outlet pipe. The horizontal type coil pipe warm water circulation large flow natural gas recuperator has the advantages that the heat exchanging coil pipes are connected in parallel, pipe pass medium pressure drop is lowered, air resistance is avoided, medium flow in the heat exchanging coil pipes is the same, heat transmission efficiency is improved, through a horizontal type structure, cold fluid and hot fluid form countercurrent flow heat exchanging, a flow guiding barrel is arranged in the barrel body, circulation water flow speed is improved, heat exchanging efficiency is strengthened, heat exchanging area is reduced, and equipment cost is lowered.
Description
Technical field
The utility model belongs to the heat exchange equipment technical field, especially relates to a kind of horizontal coiled-tube warm water big flow natural gas recuperator that circulates.
Background technology
In existing technology, natural gas is extensive use of as a kind of clean energy resource, but most of area is far away apart from air feed point, pipeline gas is difficult to arrive, natural gas can be carried out cooling fluid by gas-liquid volume ratio 625:1 in the source of the gas place of production and change into liquified natural gas-LNG, utilize low-temperature tanker to be transported to and use the gas point, utilize gasifier to gasify and reduce pressure to add and enter rear tracheae net after smelly, be applicable to industry and civilian users, the liquified natural gas gasifier is generally the gasification of air temperature type form, energy savings, but that environment temperature is lower than 0 ℃ of air-heating type gasifier is inoperative, and this just needs to adopt the gasifier of forced heat-exchanging.
Have following difficult point to solve in the design of this equipment: 1, cold and hot medium excessive temperature differentials, nearly 250 ℃, device structure will consider that heat exchanger tube expands with heat and contract with cold significantly, considers the low temperature resistant and requirement for anticorrosion of material simultaneously.2, liquified natural gas acutely gasification in heat exchanger tube from liquid state-gas-liquid coexistence-gaseous state instantaneous conversion, is considered gas flow during the project organization form, prevent air-resistance phenomenon.3, adopt the coil pipe parallel way, need consider to make the interior rate-of flow of every coil pipe to equate during structural design.4, the recirculated water flow velocity is low excessively in the cylindrical shell, should consider to increase flow velocity during structural design, improves heat exchange efficiency.
Summary of the invention
Problem to be solved in the utility model provides a kind of horizontal coiled-tube warm water big flow natural gas recuperator that circulates, and especially is suitable for the circulating natural gas gasifying device of coil pipe warm water of applying working condition.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of horizontal coiled-tube warm water big flow natural gas recuperator that circulates, comprise cylindrical shell, described cylindrical shell two ends are provided with end socket, described cylindrical shell is horizontal, be provided with heat exchange coil in the described cylindrical shell, described cylindrical shell one end is provided with the recirculated water inlet tube, the described cylindrical shell other end is provided with the circulating water outlet pipe, described circulating water outlet pipe next door is provided with the liquified natural gas inlet tube, be provided with the liquified natural gas distributor below the described liquified natural gas inlet tube, described liquified natural gas distributor is connected with described heat exchange coil one end, and the described heat exchange coil other end is connected with described gaseous natural gas distributor, and described gaseous natural gas distributor is connected with described gaseous natural gas outlet, top, described cylindrical shell middle part is provided with the on-condensible gas drain, and below, described cylindrical shell middle part is provided with drain.
Further, be provided with saddle support below the described cylindrical shell.
Further, heat exchange coil is more than two and parallel connection in the described cylindrical shell, reduces the every heat exchange coil number of turns and heat exchange coil length.
Further, liquid natural distributor and gaseous state Distribution of Natural device adopt the forging material, and heat exchange coil adopts 304 stainless steels, and is not only low temperature resistant but also anticorrosion.
Further, in the described cylindrical shell guide shell is set.
Further, be equipped with thermometer on the described end socket.
Advantage and the good effect that the utlity model has are: 304 stainless steel disc tubular constructions of retractable are not influenced by expanding with heat and contract with cold of the big medium of the temperature difference, and are not only low temperature resistant but also anticorrosion; Heat exchange coil adopts many parallel forms, reduces the length of the coil pipe number of turns and every heat exchanger tube, reduces the pressure drop of tube side medium, avoids producing vapour lock; The liquified natural gas inlet tube is connected with the heat exchange coil import by the liquified natural gas distributor, and the interior rate-of flow of every heat exchange coil is equated, improves heat transfer efficiency; Horizontal type structure, cold fluid and hot fluid forms countercurrent flow, and guide shell is set in the cylindrical shell, reduces the mobile cross-sectional area of recirculated water, improves the recirculated water flow velocity, strengthens heat exchange efficiency, reduces heat exchange area, reduces equipment cost.Device structure is simple, arranges compactness, and the vaporization ability of natural gas can reach 100～5000NM3/h.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure:
1, saddle support 2, cylindrical shell 3, end socket
4, thermometer 5, circulating water outlet pipe 6, liquified natural gas inlet tube
7, liquified natural gas distributor 8, heat exchange coil 9, guide shell
10, on-condensible gas drain 11, gaseous natural gas outlet 12, recirculated water inlet tube
13, drain 14, gaseous natural gas distributor
The specific embodiment
As shown in Figure 1, a kind of horizontal coiled-tube warm water of the utility model big flow natural gas recuperator that circulates, comprise cylindrical shell 2, described cylindrical shell 2 two ends are provided with end socket 3, described cylindrical shell 2 is horizontal, be provided with heat exchange coil 8 in the described cylindrical shell 2, described cylindrical shell 2 one ends are provided with recirculated water inlet tube 12, described cylindrical shell 2 other ends are provided with circulating water outlet pipe 5, described circulating water outlet pipe 5 next doors are provided with liquified natural gas inlet tube 6, be provided with liquified natural gas distributor 7 below the described liquified natural gas inlet tube 6, described liquified natural gas distributor 7 is connected with described heat exchange coil 8 one ends, described heat exchange coil 8 other ends are connected with described gaseous natural gas distributor 14, described gaseous natural gas distributor 14 is connected with described gaseous natural gas outlet 11, top, described cylindrical shell 2 middle parts is provided with on-condensible gas drain 10, and below, described cylindrical shell 2 middle parts is provided with drain 13.Described cylindrical shell 2 belows are provided with saddle support 1.Heat exchange coil 8 is more than two and parallel connection in the described cylindrical shell 2, reduces every heat exchange coil 8 number of turns and heat exchange coil 8 length.Liquid natural distributor and gaseous state Distribution of Natural device 14 adopt the forging material, and heat exchange coil 8 adopts 304 stainless steels, and is not only low temperature resistant but also anticorrosion.In the described cylindrical shell 2 guide shell 9 is set.Be equipped with thermometer 4 on the described end socket 3.
Adopt the circulating structure of horizontal coiled-tube warm water, liquified natural gas inlet tube 6 is connected with heat exchange coil 8 entrance points by liquified natural gas distributor 7, heat exchange coil 8 outlets are connected with gaseous natural gas outlet 11 by figure's Distribution of Natural device, and heat exchange coil 8 is by the angle steel fixed support; Heat exchange coil 8 adopts three parallel waies, arranges compactness, reduces the heat exchanger tube number of turns and every heat exchanger tube length, reduces medium pressure drop in the pipe, prevents air-resistance phenomenon; The distributor material is forging, and heat exchange coil 8 materials are 304 stainless steels, and are not only low temperature resistant but also anticorrosion.
Right-hand member end socket 3 lower ends are provided with circulating water intake, and cylindrical shell 2 upper left quarters are provided with circulating water outlet, and cold and hot medium forms countercurrent flow, improve heat exchange efficiency.
Guide shell 9 is set in the cylindrical shell 2, reduces the cross-sectional flow area of recirculated water, increase the recirculated water flow velocity, strengthen the heat exchange effect, reduce heat exchange area, reduce equipment cost.
Two ends end socket 3 is provided with recirculated water out temperature meter 4, is convenient to operating personnel and intuitively observes, record
The circulating natural gas gasifying device of this coil pipe warm water, operation principle: liquified natural gas enters liquified natural gas distributor 7 from the liquified natural gas entrance, enter the heat exchange coil 8 of three parallel connections after dividing equally by distributor, finish gasification and overheated by heat exchange coil 8 and circulation warm water countercurrent flow, gaseous natural gas enters gaseous natural gas distributor 14 along airflow direction, finally enters the rear pipe network from gaseous natural gas outlet output.
Structure as shown in Figure 1, the circulating natural gas gasifying device of coil pipe warm water mainly supports whole equipment by saddle support 1, cylindrical shell 2 is welded on the saddle support 1, cylindrical shell two ends, 2 left and right sides and ellipsoidal head 3 welding, natural gas turnover pipe is connected with heat exchange coil 8 by distributor, is connected with outside ductwork by flange.
Right-hand member end socket 3 belows are provided with circulating water intake, and cylindrical shell 2 left upper ends are provided with circulating water outlet, and cold fluid and hot fluid forms countercurrent flow.
Two ends end socket 3 is provided with recirculated water out temperature meter 4.
The horizontal coiled-tube warm water big flow natural gas recuperator that circulates, this heat exchanger be after the pluses and minuses of having summed up coil heat exchanger in conjunction with actual applying working condition, carry out improved a kind of coil arrangement heat exchanger that is applicable to cryogenic media.This new construction designs, makes and puts into operation, and has obtained good effect.
More than an embodiment of the present utility model is had been described in detail, but described content only is preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the present utility model.
Claims (5)
1. a horizontal coiled-tube warm water big flow natural gas recuperator that circulates, it is characterized in that: comprise cylindrical shell, described cylindrical shell two ends are provided with end socket, described cylindrical shell is horizontal, be provided with heat exchange coil in the described cylindrical shell, described cylindrical shell one end is provided with the recirculated water inlet tube, the described cylindrical shell other end is provided with the circulating water outlet pipe, described circulating water outlet pipe next door is provided with the liquified natural gas inlet tube, be provided with the liquified natural gas distributor below the described liquified natural gas inlet tube, described liquified natural gas distributor is connected with described heat exchange coil one end, the described heat exchange coil other end is connected with described gaseous natural gas distributor, described gaseous natural gas distributor is connected with described gaseous natural gas outlet, and top, described cylindrical shell middle part is provided with the on-condensible gas drain, and below, described cylindrical shell middle part is provided with drain.
2. a kind of horizontal coiled-tube warm water according to claim 1 big flow natural gas recuperator that circulates, it is characterized in that: described cylindrical shell below is provided with saddle support.
3. a kind of horizontal coiled-tube warm water according to claim 1 big flow natural gas recuperator that circulates is characterized in that: heat exchange coil is more than two and in parallel in the described cylindrical shell.
4. a kind of horizontal coiled-tube warm water according to claim 1 big flow natural gas recuperator that circulates, it is characterized in that: liquid natural distributor and gaseous state Distribution of Natural device adopt the forging material, and heat exchange coil adopts 304 stainless steels.
5. a kind of horizontal coiled-tube warm water according to claim 1 big flow natural gas recuperator that circulates is characterized in that: in the described cylindrical shell guide shell is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320197638 CN203190851U (en) | 2013-04-18 | 2013-04-18 | Horizontal type coil pipe warm water circulation large flow natural gas recuperator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320197638 CN203190851U (en) | 2013-04-18 | 2013-04-18 | Horizontal type coil pipe warm water circulation large flow natural gas recuperator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203190851U true CN203190851U (en) | 2013-09-11 |
Family
ID=49107704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320197638 Expired - Fee Related CN203190851U (en) | 2013-04-18 | 2013-04-18 | Horizontal type coil pipe warm water circulation large flow natural gas recuperator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203190851U (en) |
-
2013
- 2013-04-18 CN CN 201320197638 patent/CN203190851U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151222 Address after: 300384 Tianjin City Huayuan Industrial Zone (outer ring) Haitai development two Road No. 3 Building No. 5 Room 101 layer -1 Patentee after: TIANJIN DINGCHEN ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: 301700 Tianjin city Wuqing District Development Zone Fuyuan Road No. 18 511-32 (central office) Patentee before: TIANJIN OLIVE ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20170418 |