CN202747867U - Full serially-connected plate shell type heat exchanger - Google Patents
Full serially-connected plate shell type heat exchanger Download PDFInfo
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- CN202747867U CN202747867U CN 201220337977 CN201220337977U CN202747867U CN 202747867 U CN202747867 U CN 202747867U CN 201220337977 CN201220337977 CN 201220337977 CN 201220337977 U CN201220337977 U CN 201220337977U CN 202747867 U CN202747867 U CN 202747867U
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Abstract
The utility model discloses a full serially-connected plate shell type heat exchanger with which the structural hot stress is reduced to the lowest degree by adopting a processing mode of graded barrels. The heat exchanger mainly and structurally comprises an upper end socket, a lower end socket, a grade-three barrel, a grade-two barrel, a grade-one barrel, a skirt base, plate beams, fluid distributors and the like, wherein the heat exchange of cold and thermal mediums is accomplished inside the plate beam; a shell composed of the barrels, the end sockets and connecting tubes serves as a main bearing element; the plate beam is installed inside the barrels; and the barrels of different grades are fixedly linked together by using bolts through equipment flanges in a serial connection manner. Channels which are composed of the fluid distributors and are used for stabilizing a first fluid pressure head are installed among the barrels of different grades; second fluid channels are communicated through bypass connecting pipes of the barrels of different grades; and the fluid distributors are composed of upper and lower baffle plates, drainage pipes, expansion rings and the like. By utilizing the heat exchanger, technical problems of multiple conventional simple serially-connected plate shell type heat exchangers, such as severe pressure drop loss, equipment cost increase, land source waste, disadvantages in energy conservation and emission reduction and the like are solved.
Description
Technical field
The utility model belongs to shell-and-plate heat exchanger technical field.
Background technology
The shell-and-plate heat exchanger is present advanced heat exchanger in the world, has withstand voltage height, advantage that heat exchange efficiency is high.Along with the development of equipment to maximization, heat exchanger plate bundle thermal expansion amount at high temperature also increases thereupon, causes the plate weak part phenomenon that being torn appears in bending, weld cracking even plate to occur.Study carefully it and vertically arrange along cylindrical shell because of, plate bundle, because the size of plate bundle is long, at high temperature the dilatancy amount of generation is very large vertically.Because structure is limit, the two ends of plate bundle can only be weldingly fixed in the cylindrical shell in manufacture process, and the two ends of this model bundle just are subjected to fixed constraint, thereby can produce great thermal stress, thereby cause the shell-and-plate heat exchanger to lose efficacy.Above-mentioned is the structure bottleneck problem that the restraining plate shell-type exchangers maximizes, thereby traditional shell-and-plate heat exchanger is difficult to large scale development.In order to improve the exchange capability of heat of lamella heat exchanger, many platens shell-type exchangers is carried out simple connect in series, do like this and as if can improve its transducing power, but because droop loss is more outstanding, equipment is run well to increase many compression pumps at equipment, thereby not only increased the cost of equipment, also be unfavorable for simultaneously economizing the land resource, more be unfavorable for energy-saving and emission-reduction.Especially old device is being carried out in the transformation process, the problems referred to above are especially aobvious outstanding.
Summary of the invention
The purpose of this utility model provides a kind of full series board shell-type exchangers, carry out simple connect in series to solve traditional many platens shell-type exchangers, existing droop loss is more outstanding, not only increased the cost of equipment, also be unfavorable for simultaneously economizing the land resource, more be unfavorable for the technical problems such as energy-saving and emission-reduction.
The utility model adopts technical scheme as follows in order to realize the foregoing invention purpose:
A kind of full series board shell-type exchangers comprises pressure restraining element that the upper and lower end socket by cylindrical shell, cylindrical shell two ends forms, is installed in plate bundle in the cylindrical shell, is installed in the adapter of two kinds of fluid entry and exit on cylindrical shell and the end socket; The upper/lower terminal of plate bundle is respectively the entry and exit of first fluid, and both sides are respectively the passage of second fluid; It is characterized in that described full series board shell-type exchangers adopts some grades of cylindrical shell arranged in series, cylindrical shells at different levels are by vessel flange bolt fixed connection; The passage of the stable first fluid pressure head that is comprised of fluid distributor is installed between the cylindrical shells at different levels; The second fluid passage is taken over by the bypass of cylindrical shells at different levels and is communicated with.
Described fluid distributor is made of upper and lower baffle plate, drainage tube and expansion loop; Drainage tube is welded between the upper and lower baffle plate, adopts spiral distribution; Expansion loop is welded on the circumferential lateral surface between the upper and lower baffle plate; Be built-in with the filler of regime flow, pressure-acting in the space that upper and lower baffle plate, drainage tube, expansion loop consist of.
Described filler adopts plastic material.
Described first fluid is thermal medium, adopt directly to advance directly, namely the first fluid entry and exit at plate bundle two ends are corresponding with the adapter on the upper and lower end socket respectively, and second fluid is cold medium, adopt side to advance side and go out, namely the entry and exit of second fluid are corresponding with the adapter of cylindrical shell side respectively.
Cylindrical shell in minimum one-level is provided with the skirt that supports whole weight of equipment, and skirt is made of skirt cone, stiffening ring, cover plate, lower margin ring, reinforcement gusset; The internal diameter of stiffening ring equates that with the external diameter of cylindrical shell stiffening ring is welded on the cylindrical shell; The top of skirt cone is welded on the bottom of stiffening ring, and the bottom of skirt cone adopts the mode of overlap joint to be welded on the lower margin ring; Cover plate, reinforcement gusset are welded on the skirt cone.
The upper and lower parts of described cylindrical shells at different levels, each arranges two bypasses adapters that are used for the second fluid circulation, forms two bypasses and takes over passages, described two bypasses are taken over passage and are distributed in relative bearing.
Described cylindrical shells at different levels upper and lower parts, each arranges that a bypass that is used for the second fluid circulation takes over, and forms a bypass and takes over passage, upper and lower two adapters of this bypass adapter passage are same azimuth distribution, or azimuth distribution in opposite directions.
Described cylindrical shell takes secondary to arrange or the above layout of two-stage.
The beneficial effect that the utility model is obtained:
The comparison that the full series board shell-type exchangers of the utility model is connected with many conventional panels shell-type exchangers: take the full series board shell-type exchangers of syllogic of the present utility model as example, finish same heat exchange amount, the conventional panels shell-type exchangers series connection of same inner diameter then needs three, here for for the purpose of more convenient, the internal diameter of setting two kinds of heat exchangers is all 2000mm, cylindrical shell thickness is all 32mm, full series board shell-type exchangers equipment height overall 24m, separate unit conventional panels shell-type exchangers equipment height overall 8m, single end socket weighs 2.17 tons, single fluid distributor weighs 0.74 ton, the specification of skirt and end socket is the same, and table 1 is the comparable situation of two kinds of heat exchangers, and as seen: the full series board shell-type exchangers of the utility model floor space is little, lightweight, save raw material.
The full series board shell-type exchangers of the utility model is owing to adopt the segmented plate bundle, thereby reduced the thermal stress on the plate bundle, guaranteed at high temperature reliability of operation of plate bundle.Greatly improve so that the shell-and-plate heat exchanger adapts to the ability of high temperature, the contour parameter Operating Condition of high pressure, can realize the maximization of shell-and-plate heat exchanger.Solved well simultaneously the impact of place limited space on device for modifying.End socket, cylindrical shell, flange, adapter are metal manufacturing of the same race, and it is reliable to be easy to welding and weldquality, and the element plate of composing plate bundle is owing to be thin metalwork manufacturing, thereby lightweight, compact conformation, and the saving raw material, production cost is low, remarkable in economical benefits.
Description of drawings
Fig. 1 is that full series board shell-type exchangers of the present utility model is always schemed.
Fig. 2 is full series board shell-type exchangers upper seal head structure figure of the present utility model.
Fig. 3 is the interface chart of heat exchanger upper cover of the present utility model and cylindrical shell.
Fig. 4 is heat exchanger III level tube structure figure of the present utility model.
Fig. 5 is heat exchanger II level tube structure figure of the present utility model.
Fig. 6 is heat exchanger I level tube structure figure of the present utility model.
Fig. 7 is heat exchanger plate binding composition of the present utility model.
Fig. 8 is heat exchanger fluid structure of distributor figure of the present utility model.
Fig. 9 is full series board shell-type exchangers partial sectional view of the present utility model.
Figure 10 is that another shell-and-plate heat exchanger embodiment of the present utility model always schemes.
Accompanying drawing number:
1 upper cover, 1001 thermal medium entrances, 101 pipe connecting flanges
2 III level cylindrical shells, 1002 thermal mediums export 102 fusing head connection tubes
The cold medium inlet of 3 II level cylindrical shells, 2001 I levels 103 vessel flanges
The cold media outlet 202 III level barrel connecting pipes of 5 I level cylindrical shells, 2003 I levels
The cold medium inlet of 6 low heads, 2004 II levels 203 III level barrel connecting pipe flanges
The cold medium inlet of 7 screw rods, 2005 II levels 301 vessel flanges
The cold media outlet 302 II level barrel connecting pipe flanges of 8 nuts, 2006 II levels
The cold media outlet 303 II level barrel connecting pipes of 9 plate bundles, 2007 II levels
The cold medium inlet of 10 fluid distributors, 2008 III levels 401 stiffening rings
11 cylindrical shells connect takes over the cold medium inlet of 2009 III levels 402 cover plates
The cold media outlet 403 lower margin rings of 13 expansion loops, 2010 III levels
14 drainage tubes, 15 lower baffle plates, 16 baffle plates
12 vessel flanges are strengthened gusset to 10001 thermal medium access roades 404
23 vessel flanges are to 10002 thermal medium exit passageways, 901 plates
35 vessel flanges are to 20001 cold medium inlet passage 902 baffle plates
56 vessel flanges are to 20002 cold media outlet passage 903 deflection plates
The specific embodiment
Consult Fig. 1~Fig. 9, a kind of full series board shell-type exchangers, hot and cold medium adopts counter-flow arrangement.Thermal medium directly advances directly, cold side medium advances side and goes out.A kind of full series board shell-type exchangers that the utility model is related comprises the parts such as end socket, cylindrical shell, skirt, plate bundle, fluid distributor, thermal medium entrance, thermal medium outlet, cold medium inlet, cold and hot media outlet.
Described full series board shell-type exchangers is made of upper cover 1, low head 6, III level cylindrical shell 2, II level cylindrical shell 3, I level cylindrical shell 5, skirt 4, plate bundle 9, fluid distributor 10 etc.
III level cylindrical shell 2 is made of cylindrical shell, upper and lower vessel flange 201, III level barrel connecting pipe 202, III level barrel connecting pipe flange 203 etc.Be provided with the cold media outlet 2010 of III level on the top of cylindrical shell, be provided with the cold medium inlet 2008 of III level, the cold medium inlet 2009 of III level in the bottom of cylindrical shell; Cylindrical shell and upper and lower vessel flange 201 weld together by welding manner; Same cold medium entry and exit by III level barrel connecting pipe 202, III level barrel connecting pipe flange 203 by welding manner and barrel soldering together.
II level cylindrical shell 3 is made of cylindrical shell, upper and lower vessel flange 301, II level barrel connecting pipe 303, II level barrel connecting pipe flange 302 etc.Be provided with the cold media outlet 2006 of II level, the cold media outlet 2007 of II level on the top of cylindrical shell, be provided with the cold medium inlet 2004 of II level, the cold medium inlet 2005 of II level in the bottom of cylindrical shell; Cylindrical shell and upper and lower vessel flange 301 weld together by welding manner; Same cold medium entry and exit by II level barrel connecting pipe 303, II level barrel connecting pipe flange 302 by welding manner and barrel soldering together.
The principle of compositionality of I level cylindrical shell is same as III level cylindrical shell substantially, and unique difference is that I level cylindrical shell is provided with the skirt 4 that supports whole weight of equipment.I level cylindrical shell is provided with the cold medium inlet 2001 of I level, the cold media outlet 2002 of I level, the cold media outlet 2003 of I level.Weld together by welding manner between all parts.
Cold medium entry and exit on the cylindrical shell are corresponding with the cold medium entry and exit passage on the plate bundle 9 respectively.The cold media outlet 2002 of I level connects adapter 11 by cylindrical shell respectively with the cold medium inlet 2004 of II level, the cold media outlet 2006 of II level and the cold medium inlet 2008 of III level, the cold media outlet 2003 of I level and the cold medium inlet 2005 of II level, the cold media outlet 2007 of II level and the cold medium inlet 2009 of III level and links to each other.Cold like this medium enters heat exchanger by the cold medium inlet of I level, carries out the heat exchange reaction with thermal medium in the plate bundle of cylindrical shells at different levels, then by the cold media outlet outflow heat exchanger of III level.The full series board shell-type exchangers of above-mentioned formation.
The manufacture process of the manufacture process of example 2 and example 1 is basic identical.Difference is that one group of cold medium entry and exit is only arranged on the cylindrical shell of this routine example 2, and as shown in figure 10, cold medium can only one-way flow.
The comparison that the full series board shell-type exchangers of table 1 the utility model and the heat exchange of many conventional panels shell-types are simply connected
Claims (8)
1. full series board shell-type exchangers comprises pressure restraining element that the upper and lower end socket by cylindrical shell, cylindrical shell two ends forms, is installed in plate bundle in the cylindrical shell, is installed in the adapter of two kinds of fluid entry and exit on cylindrical shell and the end socket; The upper/lower terminal of plate bundle is respectively the entry and exit of first fluid, and both sides are respectively the passage of second fluid; It is characterized in that described full series board shell-type exchangers adopts some grades of cylindrical shell arranged in series, cylindrical shells at different levels are by vessel flange bolt fixed connection; The passage of the stable first fluid pressure head that is comprised of fluid distributor is installed between the cylindrical shells at different levels; The second fluid passage is taken over by the bypass of cylindrical shells at different levels and is communicated with.
2. a kind of full series board shell-type exchangers according to claim 1 is characterized in that described fluid distributor is made of upper and lower baffle plate, drainage tube and expansion loop; Drainage tube is welded between the upper and lower baffle plate, adopts spiral distribution; Expansion loop is welded on the circumferential lateral surface between the upper and lower baffle plate; Be built-in with the filler of regime flow, pressure-acting in the space that upper and lower baffle plate, drainage tube, expansion loop consist of.
3. a kind of full series board shell-type exchangers according to claim 2 is characterized in that, described filler adopts plastic material.
4. a kind of full series board shell-type exchangers according to claim 1, it is characterized in that, described first fluid is thermal medium, adopt directly to advance directly, the first fluid entry and exit that are plate bundle two ends are corresponding with the adapter on the upper and lower end socket respectively, second fluid is cold medium, adopts side to advance side and goes out, and namely the entry and exit of second fluid are corresponding with the adapter of cylindrical shell side respectively.
5. a kind of full series board shell-type exchangers according to claim 1 is characterized in that, is provided with the skirt that supports whole weight of equipment at the cylindrical shell of minimum one-level, skirt by skirt cone, stiffening ring, cover plate, lower margin ring, strengthen gusset and consist of; The internal diameter of stiffening ring equates that with the external diameter of cylindrical shell stiffening ring is welded on the cylindrical shell; The top of skirt cone is welded on the bottom of stiffening ring, and the bottom of skirt cone adopts the mode of overlap joint to be welded on the lower margin ring; Cover plate, reinforcement gusset are welded on the skirt cone.
6. a kind of full series board shell-type exchangers according to claim 1, it is characterized in that, the upper and lower parts of described cylindrical shells at different levels, each arranges two bypasses adapters that are used for the second fluid circulation, form two bypasses and take over passage, described two bypasses are taken over passage and are distributed in relative bearing.
7. a kind of full series board shell-type exchangers according to claim 1, it is characterized in that, described cylindrical shells at different levels upper and lower parts, each arranges a bypass adapter that is used for the second fluid circulation, form a bypass and take over passage, upper and lower two adapters that passage is taken in this bypass are same azimuth distribution, or azimuth distribution in opposite directions.
8. a kind of full series board shell-type exchangers according to claim 1 is characterized in that, described cylindrical shell takes secondary to arrange or the above layout of two-stage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220337977 CN202747867U (en) | 2012-07-13 | 2012-07-13 | Full serially-connected plate shell type heat exchanger |
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CN 201220337977 CN202747867U (en) | 2012-07-13 | 2012-07-13 | Full serially-connected plate shell type heat exchanger |
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CN 201220337977 Withdrawn - After Issue CN202747867U (en) | 2012-07-13 | 2012-07-13 | Full serially-connected plate shell type heat exchanger |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102721304A (en) * | 2012-07-13 | 2012-10-10 | 甘肃蓝科石化高新装备股份有限公司 | Full-serial plate shell heat exchanger |
CN103148721A (en) * | 2013-03-14 | 2013-06-12 | 江苏昊隆换热器有限公司 | Double-layer plate type heat exchanger |
CN107429978A (en) * | 2015-03-18 | 2017-12-01 | 美尔森法国Py有限公司 | Block formula heat exchanger, using block formula heat exchanger method and belong to the heat exchange mass of the exchanger |
CN110081744A (en) * | 2019-05-13 | 2019-08-02 | 李永堂 | Shell-and-plate high flow rate stepped heat exchange system |
-
2012
- 2012-07-13 CN CN 201220337977 patent/CN202747867U/en not_active Withdrawn - After Issue
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102721304A (en) * | 2012-07-13 | 2012-10-10 | 甘肃蓝科石化高新装备股份有限公司 | Full-serial plate shell heat exchanger |
CN102721304B (en) * | 2012-07-13 | 2013-11-27 | 甘肃蓝科石化高新装备股份有限公司 | Full-serial plate shell heat exchanger |
CN103148721A (en) * | 2013-03-14 | 2013-06-12 | 江苏昊隆换热器有限公司 | Double-layer plate type heat exchanger |
CN107429978A (en) * | 2015-03-18 | 2017-12-01 | 美尔森法国Py有限公司 | Block formula heat exchanger, using block formula heat exchanger method and belong to the heat exchange mass of the exchanger |
CN110081744A (en) * | 2019-05-13 | 2019-08-02 | 李永堂 | Shell-and-plate high flow rate stepped heat exchange system |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20131127 |
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RGAV | Abandon patent right to avoid regrant |