CN201867091U - Rectangular all-welded tube and shell type heater for heating network - Google Patents
Rectangular all-welded tube and shell type heater for heating network Download PDFInfo
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- CN201867091U CN201867091U CN201020604258XU CN201020604258U CN201867091U CN 201867091 U CN201867091 U CN 201867091U CN 201020604258X U CN201020604258X U CN 201020604258XU CN 201020604258 U CN201020604258 U CN 201020604258U CN 201867091 U CN201867091 U CN 201867091U
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Abstract
The utility model provides a rectangular all-welded tube and shell type heater for a heating network, which comprises a front end header, a rear end header, a drainage header and a steam inlet header. The front end header and a first rectangular tube plate are welded together, the rear end header and a second rectangular tube plate are welded together, the steam inlet header is welded to the upper end faces of the first rectangular tube plate and the second rectangular tube plate respectively, the drainage header is welded to the lower end faces of the first rectangular tube plate and the second rectangular tube plate respectively, one lateral end face of the first rectangular tube plate and one lateral end face of the second rectangular tube plate are respectively welded to a first rectangular plate shell, the other lateral sides of the first rectangular tube plate and the second rectangular tube plate are respectively welded to a second rectangular plate shell, the first rectangular tube plate and the second rectangular tube plate are provided with a plurality of through holes, the through holes are in longitudinal and transverse arrangement in rectangular distribution, waveform heat exchange tubes are mounted in the through holes, spacing of each two through hole is at least equal to the outer diameter of wave crest of one waveform heat exchange tube, and all of the front end header, the rear end header, the steam inlet header and the drainage header are semicircular tubular shells. The rectangular all-welded tube and shell type heater overcomes drawbacks of poor heat transfer effect and large occupied space of a shell and tube heater for a heating network, complicated structure, high manufacturing difficulty, inconvenience in maintenance and the like of an all-welded plate type heater for a heating network.
Description
Technical field
The utility model relates to heat exchanger, is the full welded pipe shell-type of a kind of rectangle heat exchangers for district heating.
Background technology
The carbonated drink heat exchangers for district heating that is applied to city heat supply at present mainly contains: shell-and-tube heat exchangers for district heating and full welded plate formula heat exchangers for district heating two big classes.Wherein: the shell-and-tube heat exchangers for district heating is subjected to structural limitations, steam flow rate is higher at the steam inlet place, side knock to tube bank is bigger, heat exchanger tube often is damaged at tube sheet and tube bank support plate place, need increase diameter of the housing in order to reduce the flow velocity that steam enters tube bank, steam is to enter tube bank along the tube bank periphery to carry out condensation heat transfer, in order to make steam can effectively enter tube bank, also need arrange that the passage that steam is set is to alleviate the inadequate problem of tube bank heart portion's heat exchange at the heat exchanger tube of tube sheet, so but the stringing area (diameter) of its tube sheet also needs to strengthen, so its structural volume is bigger, but its maintenance is comparatively convenient, uses comparatively general at present.And full welded plate formula heat exchanger, steam is to enter plate Shu Jinhang condensation heat transfer uniformly along plate Shu Bianyuan, heat exchange is evenly abundant, and compact conformation, but its inconvenient maintenance, the water quality requirement height of recirculated water, impurity stops up very difficult maintenances of clean-up such as plate in damage or fouling and the water in case the generation plate leaks, and equipment will be scrapped, and its running resistance is big, complex structure, drawback such as manufacture difficulty is big.Also restricting the promotion and application of full welded plate formula heat exchanger.For this reason, those skilled in the art were devoted to design a kind of new type heat exchanger that can avoid the deficiency of above-mentioned two class heat exchangers existence in recent years, but to ending at present, new breakthrough were not arranged as yet.
The utility model content
The purpose of this utility model provides the full welded pipe shell-type of a kind of rectangle heat exchangers for district heating, and it is poor to make it solve shell-and-tube heat exchangers for district heating heat-transfer effect, and the occupation of land space is big, full welded plate formula heat exchangers for district heating complex structure, and manufacture difficulty is big, the drawback of inconvenient maintenance etc.
The utility model for achieving the above object, be achieved through the following technical solutions: the full welded pipe shell-type of rectangle heat exchangers for district heating, comprise the front end bobbin carriage, the rear end bobbin carriage, hydrophobic collection case and admission collection case, front end bobbin carriage and the welding of the first rectangle tube sheet, rear end bobbin carriage and the welding of the second rectangle tube sheet, admission collection case welds with the first rectangle tube sheet and the second rectangular slab upper surface respectively, hydrophobic collection case welds with the first rectangle tube sheet and the second rectangle tube sheet lower surface respectively, weld with the first rectangular slab shell respectively one side end face of the first rectangle tube sheet and the second rectangle tube sheet, weld with the second rectangular slab shell respectively the another side of the first rectangle tube sheet and the second rectangle tube sheet, offer several through holes respectively on the first rectangle tube sheet and the second rectangle tube sheet, the through hole vertical and horizontal are arranged rectangular distribution, the waveform heat exchanger tube is installed in the through hole, the spacing of through hole is at least the crest external diameter of waveform heat exchanger tube, front end bobbin carriage, the rear end bobbin carriage, admission collection case and hydrophobic collection case are the semi-cylindrical shaped housing.The rectangular distribution of waveform heat exchanger tube of installing on the first rectangle tube sheet and the second rectangle tube sheet, between the waveform heat exchanger tube that the first rectangle tube sheet and the second rectangle tube sheet are transversely installed, support bar is installed, weld with lacing wire respectively at the support bar two ends, and weld with the first rectangular slab shell and the second rectangular slab shell respectively at the two ends of lacing wire.The rectangular distribution of waveform heat exchanger tube of installing on the first rectangle tube sheet and the second rectangle tube sheet, the cross section of the waveform heat exchanger tube of distributed rectangular is a rectangle, its minor face is along tube bank admission direction, support mutually along the crest external diameter by the waveform heat exchanger tube between the waveform heat exchanger tube of minor face arrangement, long limit through-hole spacing is greater than the minor face through-hole spacing, between the waveform heat exchanger tube of installing on the first rectangle tube sheet and the second rectangle tube sheet long side direction, support bar is installed, weld with lacing wire respectively at the support bar two ends, and weld with the first rectangular slab shell and the second rectangular slab shell respectively at the two ends of lacing wire.Support bar is band steel or round steel, and its thickness or diameter are that the first rectangle tube sheet is grown the crest external diameter that the through-hole spacing of offering on the limit deducts the waveform heat exchanger tube.The crest external diameter of waveform heat exchanger tube is than the big 2-6 millimeter of parent tube external diameter.
Advantage of the present utility model is: adopt the waveform heat exchanger tube to strengthen the heat exchange effect, and alleviated the thermal expansion difference stress of shell side effectively; The rectangular cloth form of tubes of heat exchanger tube makes between heat exchanger tube and supports mutually, makes the arrangement of heat exchanger tube make full use of the space to greatest extent, makes the admission cross section big and even, under the situation in identical heat exchange space, increased the quantity of heat exchanger tube, heat exchange area is increased, Magnification has improved about 30%; Semi-cylindrical shaped admission collection case can make the space of admission collection case strengthen significantly, has avoided the direct impact of steam exchange heat pipe in the prior art fully; The heat exchanger tube structural designs such as cloth form of tubes and support bar that are rectangle, under the situation in identical heat exchange space, making full use of to greatest extent under the situation in space further to make heat exchanger area significantly increase than known technology, and avoid the vibration of equipment, reduce the damage of heat exchanger tube, and can adopt the heat exchanger tube thick than thin-walled, under the identical life-span, manufacturing cost is reduced; Saved a large amount of support components that use in the conventional tube shell-type heat exchangers for district heating, and made the simple installation of heat exchanger tube, manufacturing cost is significantly reduced, saved manufacturing cost about 50% than conventional tube shell-type heat exchangers for district heating, and for ease of maintenaince; The very convenient hydrophobic control of hydrophobic collection case of large space no longer needs to establish in addition drain trap; Each semicylindrical bobbin carriage and collection box-shaped formula can conveniently be provided with manhole, are easy to equipment safeguarded etc.
Description of drawings
The specific embodiment
The contrast accompanying drawing is described further the utility model.
The full welded pipe shell-type of rectangle of the present utility model heat exchangers for district heating, comprise front end bobbin carriage 1, rear end bobbin carriage 2, hydrophobic collection case 5 and admission collection case 4, front end bobbin carriage 1 and 6 welding of the first rectangle tube sheet, rear end bobbin carriage 2 and 3 welding of the second rectangle tube sheet, admission collection case 4 welds with the first rectangle tube sheet 6 and second rectangular slab, 3 upper surfaces respectively, hydrophobic collection case 5 welds with the first rectangle tube sheet 6 and the second rectangle tube sheet, 3 lower surfaces respectively, weld with the first rectangular slab shell 10 respectively one side end face of the first rectangle tube sheet 6 and the second rectangle tube sheet 3, weld with the second rectangular slab shell 14 respectively the another side of the first rectangle tube sheet 6 and the second rectangle tube sheet 3, these structures make the rectangular structure of the heat exchanging part of heater, offer several through holes 15 respectively on the first rectangle tube sheet 6 and the second rectangle tube sheet 3, through hole 15 vertical and horizontal are arranged rectangular distribution, waveform heat exchanger tube 7 is installed in the through hole 15, the spacing of through hole 15 is at least the crest external diameter of waveform heat exchanger tube 7, front end bobbin carriage 1, rear end bobbin carriage 2, admission collection case 4 and hydrophobic collection case 5 are the semi-cylindrical shaped housing.
The utility model for the support strength that further increases by 7 of waveform heat exchanger tubes, increase the bulk strength of heater and further reduce that heater vibrates in running etc., the scheme that provides is: the waveform heat exchanger tube 7 rectangular distributions of installing on the first rectangle tube sheet 6 and the second rectangle tube sheet 3, support bar 8 is installed between the waveform heat exchanger tube 7 that the first rectangle tube sheet 6 and the second rectangle tube sheet 3 are transversely installed, weld with lacing wire 9 respectively at support bar 8 two ends, and weld with the first rectangular slab shell 10 and the second rectangular slab shell 14 respectively at the two ends of lacing wire 9.
The utility model further scheme is: the waveform heat exchanger tube 7 rectangular distributions of installing on the first rectangle tube sheet 6 and the second rectangle tube sheet 3, the cross section of the waveform heat exchanger tube 7 of distributed rectangular is a rectangle, its minor face is along tube bank admission direction, support mutually along the crest external diameter by waveform heat exchanger tube 7 between the waveform heat exchanger tube 7 of minor face arrangement, long limit through-hole spacing is greater than the minor face through-hole spacing, support bar 8 is installed between the waveform heat exchanger tube of installing on the first rectangle tube sheet 6 and the second rectangle tube sheet, 3 long side directions 7, weld with lacing wire 9 respectively at support bar 8 two ends, and weld with the first rectangular slab shell 10 and the second rectangular slab shell 14 respectively at the two ends of lacing wire 9.
The technical solution of the utility model is that the cloth tubular construction of heater is made rectangle.This rectangle is a square or rectangular.When heat exchanger tube 7 is square profile, each pipe all is in contact with one another support by the crest of waveform heat exchanger tube in vertical plane and in the horizontal plane, when doing rectangularity, be generally limited to rectangular minor face and be positioned at the admission direction, when having realized square stringing advantage, further strengthened the support strength of heat exchanger tube, and increased the bulk strength of heater, further reduced the vibration of heater in running, can make the relative attenuate of wall thickness of heat exchanger tube etc.
The utility model is reaching under the situation of maximum heat exchange area in order to make heat exchanger tube, improves the mutual support of heat exchanger tube, and the further scheme of proposition is: the crest external diameter of waveform heat exchanger tube 7 is than the big 2-6 millimeter of parent tube external diameter.
Form tube side in the front end bobbin carriage 1 of the full welded pipe shell-type of rectangle described in the utility model heat exchangers for district heating, rear end bobbin carriage 2, the first rectangle tube sheet 6, the second rectangle tube sheet 3, the waveform heat exchanger tube 7, bear the pressure and temp of heat supply network recirculated water side.The first rectangle tube sheet 6, the second rectangle tube sheet 3, waveform heat exchanger tube are 7 outer, shell sides are formed in lacing wire 9, the first rectangular slab shell 10, the second rectangular slab shell 14, admission collection case 4, hydrophobic collection case 5, bear heat supply network steam pressure and temp then.The utility model is illustrated as horizontal double-tube journey heater, and the utility model also can be made horizontal monotube journey, vertical single tube journey or vertical two-tube-pass.Front end bobbin carriage 1 among the figure is provided with a water inlet and a delivery port, heat supply network recirculated water is entered by the water inlet of front end bobbin carriage 1, flow through behind waveform heat exchanger tube 7 and the rear end bobbin carriage 2, flow out the heating of finishing recirculated water through waveform heat exchanger tube 7 and by the delivery port of front end bobbin carriage 1 again; Steam through the waveform heat exchanger tube 7 heat exchange cooling of condensing, flows out the heat utilization of finishing steam by hydrophobic collection case 5 by admission collection case 4 again, and air intake quantity can be provided with one or more according to the size of throttle flow in the admission collection case 4.
11 is delivery ports among the figure, and L is the long limit of the first rectangle tube sheet 6, and H is the minor face of the first rectangle tube sheet 6.
Claims (5)
1. the full welded pipe shell-type of rectangle heat exchangers for district heating, comprise front end bobbin carriage (1), rear end bobbin carriage (2), hydrophobic collection case (5) and admission collection case (4), it is characterized in that: front end bobbin carriage (1) and the welding of the first rectangle tube sheet (6), rear end bobbin carriage (2) and the welding of the second rectangle tube sheet (3), admission collection case (4) welds with the first rectangle tube sheet (6) and second rectangular slab (3) upper surface respectively, hydrophobic collection case (5) welds with the first rectangle tube sheet (6) and second rectangle tube sheet (3) lower surface respectively, weld with the first rectangular slab shell (10) respectively one side end face of the first rectangle tube sheet (6) and the second rectangle tube sheet (3), weld with the second rectangular slab shell (14) respectively the another side of the first rectangle tube sheet (6) and the second rectangle tube sheet (3), offer several through holes (15) respectively on the first rectangle tube sheet (6) and the second rectangle tube sheet (3), through hole (15) vertical and horizontal are arranged rectangular distribution, waveform heat exchanger tube (7) is installed in the through hole (15), the spacing of through hole (15) is at least the crest external diameter of waveform heat exchanger tube (7), front end bobbin carriage (1), rear end bobbin carriage (2), admission collection case (4) and hydrophobic collection case (5) are the semi-cylindrical shaped housing.
2. the full welded pipe shell-type of rectangle according to claim 1 heat exchangers for district heating, it is characterized in that: the first rectangle tube sheet (6) and the second rectangle tube sheet (3) are gone up the rectangular distribution of waveform heat exchanger tube (7) of installing, between the waveform heat exchanger tube (7) that the first rectangle tube sheet (6) and the second rectangle tube sheet (3) are transversely installed, support bar (8) is installed, weld with lacing wire (9) respectively at support bar (8) two ends, and weld with the first rectangular slab shell (10) and the second rectangular slab shell (14) respectively at the two ends of lacing wire (9).
3. the full welded pipe shell-type of rectangle according to claim 1 heat exchangers for district heating, it is characterized in that: the first rectangle tube sheet (6) and the second rectangle tube sheet (3) are gone up the rectangular distribution of waveform heat exchanger tube (7) of installing, the cross section of the waveform heat exchanger tube (7) of distributed rectangular is a rectangle, its minor face is along tube bank admission direction, support mutually along the crest external diameter by waveform heat exchanger tube (7) between the waveform heat exchanger tube (7) of minor face arrangement, long limit through-hole spacing is greater than the minor face through-hole spacing, between the waveform heat exchanger tube of installing on the first rectangle tube sheet (6) and second rectangle tube sheet (3) long side direction (7), support bar (8) is installed, weld with lacing wire (9) respectively at support bar (8) two ends, and weld with the first rectangular slab shell (10) and the second rectangular slab shell (14) respectively at the two ends of lacing wire (9).
4. the full welded pipe shell-type of rectangle according to claim 2 heat exchangers for district heating, it is characterized in that: support bar (8) is band steel or round steel, and its thickness or diameter are that the first rectangle tube sheet (6) is grown the crest external diameter that the through-hole spacing of offering on the limit deducts waveform heat exchanger tube (7).
5. the full welded pipe shell-type of rectangle according to claim 1 and 2 heat exchangers for district heating is characterized in that: the crest external diameter of waveform heat exchanger tube (7) is than the big 2-6 millimeter of parent tube external diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020604258XU CN201867091U (en) | 2010-11-12 | 2010-11-12 | Rectangular all-welded tube and shell type heater for heating network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020604258XU CN201867091U (en) | 2010-11-12 | 2010-11-12 | Rectangular all-welded tube and shell type heater for heating network |
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| Publication Number | Publication Date |
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| CN201867091U true CN201867091U (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020604258XU Expired - Lifetime CN201867091U (en) | 2010-11-12 | 2010-11-12 | Rectangular all-welded tube and shell type heater for heating network |
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|---|---|
| CN (1) | CN201867091U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012180A (en) * | 2010-11-12 | 2011-04-13 | 山东北辰压力容器有限公司 | Rectangular all-welded tubular heat supply network heater |
| CN102322755A (en) * | 2011-08-31 | 2012-01-18 | 山东北辰压力容器有限公司 | Efficient rectangular pipe casing type heating network heater |
| CN102581435A (en) * | 2012-03-19 | 2012-07-18 | 东方电气集团东方锅炉股份有限公司 | Welding process for low-alloy steel pipe sheet in subcooling zone of high-pressure heater |
| CN103148730A (en) * | 2013-03-29 | 2013-06-12 | 四川川润动力设备有限公司 | Two-flow tube header structure of wound-tube-type heat exchanger |
-
2010
- 2010-11-12 CN CN201020604258XU patent/CN201867091U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012180A (en) * | 2010-11-12 | 2011-04-13 | 山东北辰压力容器有限公司 | Rectangular all-welded tubular heat supply network heater |
| CN102012180B (en) * | 2010-11-12 | 2012-09-05 | 山东北辰机电设备股份有限公司 | Rectangular all-welded tubular heat supply network heater |
| CN102322755A (en) * | 2011-08-31 | 2012-01-18 | 山东北辰压力容器有限公司 | Efficient rectangular pipe casing type heating network heater |
| CN102581435A (en) * | 2012-03-19 | 2012-07-18 | 东方电气集团东方锅炉股份有限公司 | Welding process for low-alloy steel pipe sheet in subcooling zone of high-pressure heater |
| CN102581435B (en) * | 2012-03-19 | 2013-12-25 | 东方电气集团东方锅炉股份有限公司 | Welding process for low-alloy steel pipe sheet in subcooling zone of high-pressure heater |
| CN103148730A (en) * | 2013-03-29 | 2013-06-12 | 四川川润动力设备有限公司 | Two-flow tube header structure of wound-tube-type heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG BEICHEN ELECTROMECHANICAL EQUIPMENT CO., Free format text: FORMER NAME: SHANDONG BEICHEN PRESSURE VESSEL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 250305 No. 1299, University Road, Changqing Economic Development Zone, Ji'nan, Shandong Patentee after: Shandong Beichen Electromechanical Device Co., Ltd. Address before: 250305 No. 1299, University Road, Changqing Economic Development Zone, Ji'nan, Shandong Patentee before: Shandong Beichen Pressure Vessel Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110615 Effective date of abandoning: 20120905 |