CN102226229B - Preheating dehydrogenating device for steam drum annular gap - Google Patents
Preheating dehydrogenating device for steam drum annular gap Download PDFInfo
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- CN102226229B CN102226229B CN2011101366257A CN201110136625A CN102226229B CN 102226229 B CN102226229 B CN 102226229B CN 2011101366257 A CN2011101366257 A CN 2011101366257A CN 201110136625 A CN201110136625 A CN 201110136625A CN 102226229 B CN102226229 B CN 102226229B
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- heat preservation
- preservation mechanism
- arc
- circumferential weld
- dehydrogenation unit
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Abstract
The invention discloses a preheating dehydrogenating device for a steam drum annular gap, which comprises a left part and a right part, wherein the left part and the right part comprise respectively a supporting mechanism and an insulating mechanism disposed on the supporting mechanism; the insulating mechanism is semi-annular; the insulating mechanisms of the left and the right parts are detachably combined together to form an annular shape with a gap left at the combining part; the insulating mechanism has a concave cross section with an open end facing inward to form a high-temperature airflow inner channel; the lower bottom of the insulating mechanism is an opening segment with an opening; at least one set of fire heads is disposed on the supporting mechanism, and is disposed correspondingly below the opening segment of the insulating mechanism. The invention adopts annular insulation and a mode of heating by multiple fire heads at the lower part; when heating, high-temperature airflow passes through the inner channel of the insulating mechanism, and the annular gap of a cylinder joint is heated; when the temperature is insufficient, more fire heads are disposed at the lower part; when the temperature is too high, fire heads at the lower part are reduced; therefore the production requirements are met.
Description
Technical field
The present invention relates to a kind of drum product circumferential weld preheating dehydrogenation unit of the 13MnNiMo54 of being applied to material.
Background technology
At present, prior art all adopts process furnace that drum product circumferential weld is carried out the preheating hydrogen that disappears, and it is main insufficiently to be: 300,000 drum courses, 7～9 joints, be tile production, and the hydrogen stove number that disappears is many, and energy consumption is big, and lehre takies greatly, is unfavorable for tissue production; Lifting times is many, and potential safety hazard is big.
Summary of the invention
Goal of the invention of the present invention is, in order to overcome above-mentioned technical problem, provides a kind of easy to use, energy-conservation, can effectively reduce lifting times, shortens the production cycle greatly, significantly improves the drum circumferential weld preheating dehydrogenation unit of effect.
Technical scheme of the present invention is achieved in that a kind of drum circumferential weld preheating dehydrogenation unit; It is characterized in that: form by left and right two portions; Said left and right two portions comprise supporting mechanism respectively and are arranged on the heat preservation mechanism on the supporting mechanism; Said heat preservation mechanism is semi-annular shape, about the heat preservation mechanism of part be stitched together removably and form ring-type and certain interval is left in its junction, said heat preservation mechanism cross section is concave character type; Its opening end forms road in the high temperature gas flow to the inside; The bottom, lower section of said heat preservation mechanism is for there being the open section of opening, and said supporting mechanism is provided with at least one group of duration and degree of heating, and said duration and degree of heating correspondence is arranged on the below of heat preservation mechanism open section.
Drum circumferential weld preheating dehydrogenation unit of the present invention, its said heat preservation mechanism is made up of ectonexine metal level therebetween thermal insulation layer.
Drum circumferential weld preheating dehydrogenation unit of the present invention, it is provided with the arc that is complementary with the heat preservation mechanism shape between said supporting mechanism and heat preservation mechanism, and said arc has covered the part of heat preservation mechanism outside imperforation section.
Drum circumferential weld preheating dehydrogenation unit of the present invention, it is provided with strap bolt in the arc upper end of left half web plate is provided with the web plate that cooperates with said bolt in the arc upper end of right half.
Drum circumferential weld preheating dehydrogenation unit of the present invention; The bearing that its said supporting mechanism comprises base plate, liftable bracing frame and is connected the bracing frame upper end; Said bearing is connected with arc; Support frame as described above is provided with at least one and supports horizontal stripe, and said duration and degree of heating is arranged on and supports on the horizontal stripe.
Drum circumferential weld preheating dehydrogenation unit of the present invention, it is provided with universal wheel in said base plate lower end.
Drum circumferential weld preheating dehydrogenation unit of the present invention, its said arc is provided with hanger.
The present invention adopts the ring-type insulation, the mode of the many duration and degree of heating heating in bottom, and when heating, high temperature gas flow is through the interior road of heat preservation mechanism; The shell ring circumferential weld is heated, when temperature is not enough, set up duration and degree of heating in the bottom; When temperature is too high, reduce the bottom duration and degree of heating, make it the accords with production requirement; Whole device adopts symmetrical two portions to form, and easy to use, the supporting mechanism base plate is provided with universal wheel, is convenient to move.The present invention energy-conservationly can improve effect again, has effectively reduced the number of times of lifting, has shortened the production cycle greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is an A-A sectional view among Fig. 1.
Fig. 3 is a B-B sectional view among Fig. 1.
Fig. 4 is a C-C sectional view among Fig. 1.
Fig. 5 be among Fig. 1 P to synoptic diagram.
Fig. 6 is the structural representation of heat preservation mechanism among the present invention.
Fig. 7 is the vertical view of Fig. 6.
Fig. 8 is the structural representation of supporting mechanism among the present invention.
Fig. 9 is a D-D sectional view among Fig. 8.
Mark among the figure: 1a is a left half, and 1b is a right half, and 2 is supporting mechanism, and 3 is heat preservation mechanism, and 4 is road in the high temperature gas flow; 5 is opening, and 6 is duration and degree of heating, and 7a is the inner layer metal layer, and 7b is an outer layer metal layer, and 8 is thermal insulation layer; 9 is arc, and 10 is bolt, and 11a, 11b are web plate, and 12 is base plate, and 13 is bracing frame; 14 is bearing, and 15 for supporting horizontal stripe, and 16 is universal wheel, and 17 is hanger.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done detailed explanation.
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, a kind of drum circumferential weld preheating dehydrogenation unit is made up of symmetric left and right two portions 1a, 1b; Said left and right two portions 1a, 1b comprise supporting mechanism 2 respectively and be arranged on the heat preservation mechanism 3 on the supporting mechanism 2, and said heat preservation mechanism 3 is semi-annular shape, about the heat preservation mechanism 3 of part be stitched together removably and form ring-type and certain interval is left in its junction; Shown in Fig. 2 and 3; Said heat preservation mechanism 3 cross sections are concave character type, and its opening end forms road 4 in the high temperature gas flow to the inside, like Fig. 4, shown in 6 and 7; The bottom, lower section of said heat preservation mechanism 3 is for there being the open section of opening 5; Said supporting mechanism 2 is provided with two groups of duration and degree of heatings 6, and said two groups of duration and degree of heating 6 correspondences are arranged on the below of heat preservation mechanism 3 open sections, and the position discharging of said duration and degree of heating matches with the heat preservation mechanism lower curved.Wherein, said heat preservation mechanism 3 is made up of ectonexine metal level 7a, 7b therebetween thermal insulation layer 8, and said ectonexine metal level and intermediary thermal insulation layer connect as one through some bolts; Between said supporting mechanism 2 and heat preservation mechanism 3, be provided with the arc 9 that is complementary with heat preservation mechanism 3 shapes; Said arc 9 has covered the part of heat preservation mechanism 3 outside imperforation sections; Said arc and heat preservation mechanism link together through bolt, and said arc 9 is provided with hanger 17.As shown in Figure 5; Be provided with the web plate 11a of strap bolt 10 in arc 9 upper ends of left half; Arc 9 upper ends at right half are provided with the web plate 11b that cooperates with said bolt 10; Web plate through left and right sides two portions upper end can be realized the connection that left and right sides two portions are detachable, can also regulate the gap length of two portions heat preservation mechanism junction, the left and right sides simultaneously according to practical situation.
Shown in Fig. 8 and 9; Said supporting mechanism 2 comprises base plate 12, liftable bracing frame 13 and the bearing 14 that is connected bracing frame 13 upper ends; Said bearing 3 is connected with arc 9, and support frame as described above 13 is provided with two and supports horizontal stripe 15, and said duration and degree of heating 6 is arranged on and supports on the horizontal stripe 15; Be provided with universal wheel 16 in said base plate 12 lower ends, be convenient to move.
When heating, high temperature gas flow heats the shell ring circumferential weld through road in the heat preservation mechanism, when temperature is not enough, sets up duration and degree of heating in the bottom, when temperature is too high, reduces the bottom duration and degree of heating, makes it the accords with production requirement.This device also can be set up hot spot in inside, road in high temperature gas flow, improve Heating temperature, satisfies product requirement.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. drum circumferential weld preheating dehydrogenation unit; It is characterized in that: (1a, 1b) forms by left and right two portions; Said left and right two portions (1a, 1b) comprise supporting mechanism (2) respectively and are arranged on the heat preservation mechanism (3) on the supporting mechanism (2); Said heat preservation mechanism (3) is semi-annular shape, about the heat preservation mechanism (3) of part be stitched together removably and form ring-type and certain interval is left in its junction, said heat preservation mechanism (3) cross section is concave character type; Its opening end forms road (4) in the high temperature gas flow to the inside; The bottom, lower section of said heat preservation mechanism (3) is for there being the open section of opening (5), and said supporting mechanism (2) is provided with at least one group of duration and degree of heating (6), and said duration and degree of heating (6) correspondence is arranged on the below of heat preservation mechanism (3) open section.
2. drum circumferential weld preheating dehydrogenation unit according to claim 1, it is characterized in that: said heat preservation mechanism (3) is made up of ectonexine metal level (7a, 7b) therebetween thermal insulation layer (8).
3. drum circumferential weld preheating dehydrogenation unit according to claim 1 and 2; It is characterized in that: between said supporting mechanism (2) and heat preservation mechanism (3), be provided with the arc (9) that is complementary with heat preservation mechanism (3) shape, said arc (9) has covered the part of heat preservation mechanism (3) outside imperforation section.
4. drum circumferential weld preheating dehydrogenation unit according to claim 3; It is characterized in that: be provided with the web plate (11a) of strap bolt (10) in arc (9) upper end of left half, be provided with the web plate (11b) that cooperates with said bolt (10) in arc (9) upper end of right half.
5. drum circumferential weld preheating dehydrogenation unit according to claim 3; It is characterized in that: the bearing (14) that said supporting mechanism (2) comprises base plate (12), liftable bracing frame (13) and is connected bracing frame (13) upper end; Said bearing (14) is connected with arc (9); Support frame as described above (13) is provided with at least one and supports horizontal stripe (15), and said duration and degree of heating (6) is arranged on and supports on the horizontal stripe (15).
6. drum circumferential weld preheating dehydrogenation unit according to claim 5 is characterized in that: be provided with universal wheel (16) in said base plate (12) lower end.
7. drum circumferential weld preheating dehydrogenation unit according to claim 5, it is characterized in that: said arc (9) is provided with hanger (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101366257A CN102226229B (en) | 2011-05-25 | 2011-05-25 | Preheating dehydrogenating device for steam drum annular gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101366257A CN102226229B (en) | 2011-05-25 | 2011-05-25 | Preheating dehydrogenating device for steam drum annular gap |
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| Publication Number | Publication Date |
|---|---|
| CN102226229A CN102226229A (en) | 2011-10-26 |
| CN102226229B true CN102226229B (en) | 2012-11-14 |
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| CN2011101366257A Active CN102226229B (en) | 2011-05-25 | 2011-05-25 | Preheating dehydrogenating device for steam drum annular gap |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106583973A (en) * | 2016-12-15 | 2017-04-26 | 中国水利水电第十二工程局有限公司 | Heating device and method for heating steel pipe circular seams by using heating device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201517119U (en) * | 2009-08-24 | 2010-06-30 | 中国第一重型机械股份公司 | Horizontal different temperature heat treatment furnace |
| CN202107734U (en) * | 2011-05-25 | 2012-01-11 | 华西能源工业股份有限公司 | Preheating dehydrogenating device for steam drum annular gap |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50137345A (en) * | 1974-04-22 | 1975-10-31 |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201517119U (en) * | 2009-08-24 | 2010-06-30 | 中国第一重型机械股份公司 | Horizontal different temperature heat treatment furnace |
| CN202107734U (en) * | 2011-05-25 | 2012-01-11 | 华西能源工业股份有限公司 | Preheating dehydrogenating device for steam drum annular gap |
Non-Patent Citations (2)
| Title |
|---|
| JP特开昭50-137345A 1975.10.31 |
| 田红等.锅炉汽包捲制筒节的制造工艺研究.《锅炉技术》.2007,第38卷(第6期),62-64. * |
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| CN102226229A (en) | 2011-10-26 |
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