CN102967161A - HC1 gas indirect heater - Google Patents
HC1 gas indirect heater Download PDFInfo
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- CN102967161A CN102967161A CN201210533601XA CN201210533601A CN102967161A CN 102967161 A CN102967161 A CN 102967161A CN 201210533601X A CN201210533601X A CN 201210533601XA CN 201210533601 A CN201210533601 A CN 201210533601A CN 102967161 A CN102967161 A CN 102967161A
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Abstract
The invention relates to an HC1 gas indirect heater. The technical scheme adopted by the invention is as follows: the HC1 gas indirect heater is characterized in that pipe boxes, cylinder sections, a cylinder body and pipe plates form an integrated structure; and the cylinder sections and the pipe boxes are sequentially arranged at two ends of the cylinder body respectively, and are welded together by the pipe plates. The cylinder body is as follows: a lining cylinder is arranged in a casing I; a plurality of barrier discs are fixed with the lining cylinder, and intervals thereof are determined by distance bars; the barrier discs are provided with a plurality of baffling rods; the baffling rods on every two adjacent barrier discs are perpendicular to each other; a plurality of heat exchange pipes, arranged along the axial direction of the cylinder body, are inserted among the baffling rods; the two ends of the heat exchange pipes are fixed with the pipe plates after extending outside the lining cylinder; and the heat exchange pipes are communicated with the pipe boxes on two ends. The HC1 gas indirect heater disclosed by the invention can realize effective utilization of natural gas so as to save electric energy, optimizes a structural design, adopts a surfacing structure, reduces cost and improves working efficiency.
Description
Technical field
The invention relates to a kind of heater, relate in particular to a kind of in the magnesium metal production process, the equipment that HCl gas is heated.
Background technology
High temperature HCl gas is the critical materials of producing the magnesium metal product, in electrically heated mode HCl gas to be heated in the past, the shortcomings such as there is highly energy-consuming in it, heating is uneven, efficient is low, firing equipment service life is short, fragile have seriously restricted the development of world's magnesium industry.
Summary of the invention
In order to address the above problem, the purpose of the invention provides a kind of simple in structure, the HCl combustion gas indirect heater of homogeneous heating, broken traditional Electric heating, utilize abundant natural gas resource that HCl gas is heated, saved electric energy, reduced production cost.
The technical scheme that the invention is adopted is: HCl combustion gas indirect heater, and bobbin carriage, shell ring, cylindrical shell and tube sheet are integrally formed structure; The cylindrical shell two ends set gradually respectively shell ring and bobbin carriage, and bobbin carriage is in the same place by Tube-sheet Welding with shell ring.
Described cylindrical shell is: lining places in the housing I, and some barrier dishes and lining are fixed, and by spacing bar spacing; The barrier dish is provided with some rod baffle, and the rod baffle on two whenever adjacent barrier dishes is mutually vertical, is interspersed between the rod baffle to the some heat exchanger tubes that arrange along drum shaft, and the heat exchanger tube two ends are fixed with tube sheet after stretching out lining, and heat exchanger tube communicates with the bobbin carriage at two ends.
Above-mentioned HCl combustion gas indirect heater, described barrier dish has four kinds of barrier dish A, barrier dish B, barrier dish C and barrier dish D, pressing successively the sequential loop of barrier dish A, barrier dish B, barrier dish C and barrier dish D in lining arranges, rod baffle on four kinds of barrier dishes is mutually vertical and staggered, make whole barrier dish consist of the aperture plate shape, heat exchanger tube is interspersed between the rod baffle.
Above-mentioned HCl combustion gas indirect heater, described bobbin carriage is: pipe nipple I two ends are adpting flange I and flanging conical shell respectively, flanging conical shell and Tube-sheet Welding.
Above-mentioned HCl combustion gas indirect heater, the semiapex angle α of described flanging conical shell is 14-16 °.
Above-mentioned HCl combustion gas indirect heater, described shell ring is: the two ends of half-wave expansion joint are connecting short section II and housing II respectively, pipe nipple II and Tube-sheet Welding, the housing II is provided with takes over and blow-off pipe, and flange II is connected with adapter.
Above-mentioned HCl combustion gas indirect heater, gusset is connected with the housing II with adapter.
The key technical indexes such as the table 1 of the invention.
Table 1 HCl combustion gas indirect heater the key technical indexes
| ? | Shell side | Tube side |
| Operating pressure MPa | 0.121 | 0.0725 |
| Design pressure MPa | 0.2 | 0.2/-0.05 |
| Operating temperature ℃ | 65~365 | 495~235 |
| Design temperature ℃ | 400 | 500 |
| Medium | HCl | Flue gas |
| Dielectric property | Poison and endanger | -- |
| Corrosion allowance mm | 0 | 0 |
| Hydraulic test pressure MPa | 0.25 | 0.343 |
| Gas-tight test pressure MPa | -- | -- |
| AB class weld joint efficiency | 1.0 | 1.0 |
The beneficial effect of the invention is:
1. in order to guarantee to require to reduce the tube side Pressure Drop, improve the efficiency of heating surface, flange I directly is connected with tube sheet through the flanging conical shell with pipe nipple I, and making the tube side gas path is straight line, has reduced resistance, has increased flowability; Flanging conical shell semiapex angle α is 15 °, has enlarged the equipment sectional area by it, when guaranteeing heat exchange area, has reduced device length, has also guaranteed the requirement of shell side circulation area simultaneously.
2. in order to guarantee to require to reduce shell-side pressure drop, to the design of being bold in innovation of the version of deflection plate, the barrier project organization of uniqueness is adopted in the invention; In order to optimize the barrier structure, some barrier dishes are set, some rod baffle are set on the barrier dish, thereby effectively alleviate weight of equipment, reduce manufacturing cost, alleviate machine utilization.Adopt the barrier dish of four kinds of specifications, cycle arrangement successively, the rod baffle on four kinds of barrier dishes, mutual vertical interlaced, forms crisscross so that whole barrier dish formation aperture plate shape, heat exchanger tube is interspersed between the rod baffle, makes HCl gas sinuous flow in cylindrical shell, reaches the purpose of homogeneous heating.
3. in order to make this heat transmission equipment not only save manufacturing cost but also satisfy intensity and requirement for anticorrosion, flange II adopts 16MnIII built-up welding N06600 structure.Because HCl gas feed opening diameter is larger, medium exchange heat pipe directly washes away seriously corroded.Equipment adopts the external flow guiding cylinder design, not only guarantees heat transfer effect but also can exchange the effect that heat pipe plays protection.
The performance geographical resource advantage that the invention is suited measures to local conditions, broken traditional Electric heating, utilize abundant natural gas resource that HCl gas is heated, saved electric energy, reduced production cost, reduced the production energy resource consumption, extension device service life, it is more even that material is heated, and will greatly improve production efficiency and the quality of device.
Description of drawings
Fig. 1 is the structural representation of the invention.
Fig. 2 is the whole structure figure of the some barrier dishes of the invention.
Fig. 3 is the simplified schematic diagram of the invention barrier dish A.
Fig. 4 is the simplified schematic diagram of the invention barrier dish B.
Fig. 5 is the simplified schematic diagram of the invention barrier dish C.
Fig. 6 is the simplified schematic diagram of the invention barrier dish D.
The specific embodiment
As shown in Figure 1, HCl combustion gas indirect heater, bobbin carriage (10), shell ring (20), cylindrical shell (30) and tube sheet (40) are integrally formed structure; Cylindrical shell (30) two ends set gradually respectively shell ring (20) and bobbin carriage (10), and bobbin carriage (10) and shell ring (20) weld together by tube sheet (40).
Described bobbin carriage (10) is: pipe nipple I(12) adpting flange I(11 is distinguished at two ends) and flanging conical shell (13), flanging conical shell (13) and tube sheet (40) welding.The semiapex angle α of flanging conical shell (13) is 15 °.
Described shell ring (20) is: the two ends of half-wave expansion joint (23) are connecting short section II(22 respectively) and housing II (24), pipe nipple II(22) with tube sheet (40) welding, housing II (24) is provided with adapter (25) and blow-off pipe (27), flange II(26) be connected with adapter (25).Shell ring (20) lower end is provided with saddle (28).Gusset (29) is connected 24 with adapter (25) with the housing II) be connected.
Described cylindrical shell (30) is: lining (31) places in the housing I (32), and some barrier dishes (33) are fixing with lining (31), and by spacing bar (35) spacing; Barrier dish (33) is provided with some rod baffle (34), and the rod baffle (34) on whenever adjacent two barrier dishes (33) is mutually vertical.
Such as Fig. 3-shown in Figure 6, in this equipment, barrier dish (33) adopts barrier dish A(33-a), barrier dish B(33-b), barrier dish C(33-c) and barrier dish D(33-d) four kinds of specifications.Press successively the sequential loop of barrier dish A, barrier dish B, barrier dish C and barrier dish D and arrange in lining, the rod baffle on four kinds of barrier dishes is mutually vertical and staggered, makes whole barrier dish consist of the aperture plate shape.See among Fig. 3-Fig. 6 the position relationship with rod baffle on the different barrier dishes of the positional representation of 16 identical heat exchanger tubes for details.Rod baffle (34-c) on rod baffle (34-a) on the barrier dish A and the barrier dish C is parallel to each other and is staggered; Rod baffle (34-b) on the barrier dish B and the rod baffle (34-d) on the barrier dish D are parallel to each other and are staggered, rod baffle (34-a) and rod baffle B(34-b) mutually vertical, the rod baffle that consists of on the barrier dish like this is crisscross, as shown in Figure 2, is network structure so that barrier is checked and regulated body.The some heat exchanger tubes (36) that axially arrange along cylindrical shell (30) are interspersed between the rod baffle (34), and heat exchanger tube (36) two ends are stretched out behind the lining (31) and tube sheet (40) is fixed, and heat exchanger tube (36) communicates with the bobbin carriage (10) at two ends.
Above-mentioned HCl combustion gas indirect heater: flange I, pipe nipple I and flanging conical shell adopt the S30408 material; The N06600 material is adopted in tube sheet, heat exchanger tube, rod baffle, spacing bar, lining, pipe nipple II, half-wave expansion joint, housing I, housing II, adapter; Flange II adopts 16MnIII built-up welding N06600 material.
The operation principle of the invention is:The high-temperature flue gas that combustion of natural gas produces, arrives in the bobbin carriage of the other end behind the process heat exchanger tube, and then flows out through piping in the bobbin carriage of equipment one end by Flows; HCl gas enters shell ring from adapter one end of equipment shell ring, and then enters in the cylindrical shell, is subjected to heat exchanger tube and barrier to affect the generation sinuous flow when flowing in cylindrical shell, and then the interface from the shell ring other end flows out; HCl gas by above process shell side by the flue gas of tube side to the temperature that requires.Smoke inlet and HCl entrance are separately positioned on the two ends of heater.
Claims (6)
1.HCl the combustion gas indirect heater is characterized in that: bobbin carriage (10), shell ring (20), cylindrical shell (30) and tube sheet (40) are integrally formed structure; Cylindrical shell (30) two ends set gradually respectively shell ring (20) and bobbin carriage (10), and bobbin carriage (10) and shell ring (20) weld together by tube sheet (40);
Described cylindrical shell (30) is: lining (31) places in the housing I (32), and some barrier dishes (33) are fixing with lining (31), and by spacing bar (35) spacing; Barrier dish (33) is provided with some rod baffle (34), rod baffle (34) on whenever adjacent two barrier dishes (33) is mutually vertical, the some heat exchanger tubes (36) that axially arrange along cylindrical shell (30) are interspersed between the rod baffle (34), heat exchanger tube (36) two ends are stretched out behind the lining (31) and tube sheet (40) is fixed, and heat exchanger tube (36) communicates with the bobbin carriage (10) at two ends.
2. according to HCl combustion gas indirect heater claimed in claim 1, it is characterized in that: described barrier dish (33) has barrier dish A(33-a), barrier dish B(33-b), barrier dish C(33-c) and barrier dish D(33-d) four kinds, pressing successively the sequential loop of barrier dish A, barrier dish B, barrier dish C and barrier dish D in lining arranges, rod baffle on four kinds of barrier dishes is mutually vertical and staggered, make whole barrier dish consist of the aperture plate shape, heat exchanger tube (36) is interspersed between the rod baffle (34).
3. according to claim 1 or 2 described HCl combustion gas indirect heaters, it is characterized in that: described bobbin carriage (10) is: pipe nipple I(12) adpting flange I(11 is distinguished at two ends) and flanging conical shell (13), flanging conical shell (13) and tube sheet (40) welding.
4. according to HCl combustion gas indirect heater claimed in claim 3, it is characterized in that: the semiapex angle α of described flanging conical shell (13) is 14-16 °.
5. according to claim 1 or 2 described HCl combustion gas indirect heaters, it is characterized in that: described shell ring (20) is: the two ends of half-wave expansion joint (23) are connecting short section II(22 respectively) and housing II (24), pipe nipple II(22) with tube sheet (40) welding, housing II (24) is provided with adapter (25) and blow-off pipe (27), flange II(26) be connected with adapter (25).
6. according to HCl combustion gas indirect heater claimed in claim 5, it is characterized in that: gusset (29) is connected 24 with adapter (25) with the housing II) be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210533601XA CN102967161A (en) | 2012-12-12 | 2012-12-12 | HC1 gas indirect heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210533601XA CN102967161A (en) | 2012-12-12 | 2012-12-12 | HC1 gas indirect heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102967161A true CN102967161A (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210533601XA Pending CN102967161A (en) | 2012-12-12 | 2012-12-12 | HC1 gas indirect heater |
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| CN (1) | CN102967161A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300160A (en) * | 2015-11-27 | 2016-02-03 | 武汉理工大学 | Novel baffle-rod longitudinal-flow shell-and-tube heat exchanger |
| CN108088284A (en) * | 2017-12-04 | 2018-05-29 | 唐山三友集团兴达化纤有限公司 | A kind of zirconium heat exchange of heat pipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201034442Y (en) * | 2007-03-09 | 2008-03-12 | 胡杰 | Bobbin carriage type heat exchanger provided with fixed flow guiding shelf |
| CN201764858U (en) * | 2010-07-30 | 2011-03-16 | 山东北辰压力容器有限公司 | External guide baffle rod closed circulating water heat exchanger |
| CN201867119U (en) * | 2010-08-17 | 2011-06-15 | 中国石油大学(华东) | Heat exchanger with helical flow baffle |
| CN201867093U (en) * | 2010-08-17 | 2011-06-15 | 中国石油大学(华东) | Variable-pitch double helical baffle heat exchanger |
| CN202083253U (en) * | 2011-05-12 | 2011-12-21 | 湖南飞洋机电科技有限公司 | Gas-liquid heat exchanger |
| CN202973975U (en) * | 2012-12-12 | 2013-06-05 | 沈阳东方钛业股份有限公司 | Hydrochloric acid (HCI) combustion gas indirect heater |
-
2012
- 2012-12-12 CN CN201210533601XA patent/CN102967161A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201034442Y (en) * | 2007-03-09 | 2008-03-12 | 胡杰 | Bobbin carriage type heat exchanger provided with fixed flow guiding shelf |
| CN201764858U (en) * | 2010-07-30 | 2011-03-16 | 山东北辰压力容器有限公司 | External guide baffle rod closed circulating water heat exchanger |
| CN201867119U (en) * | 2010-08-17 | 2011-06-15 | 中国石油大学(华东) | Heat exchanger with helical flow baffle |
| CN201867093U (en) * | 2010-08-17 | 2011-06-15 | 中国石油大学(华东) | Variable-pitch double helical baffle heat exchanger |
| CN202083253U (en) * | 2011-05-12 | 2011-12-21 | 湖南飞洋机电科技有限公司 | Gas-liquid heat exchanger |
| CN202973975U (en) * | 2012-12-12 | 2013-06-05 | 沈阳东方钛业股份有限公司 | Hydrochloric acid (HCI) combustion gas indirect heater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300160A (en) * | 2015-11-27 | 2016-02-03 | 武汉理工大学 | Novel baffle-rod longitudinal-flow shell-and-tube heat exchanger |
| CN105300160B (en) * | 2015-11-27 | 2018-01-12 | 武汉理工大学 | A kind of new rod baffle indulges flow tube shell type heat exchanger |
| CN108088284A (en) * | 2017-12-04 | 2018-05-29 | 唐山三友集团兴达化纤有限公司 | A kind of zirconium heat exchange of heat pipe |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 110000 Liaoning Province, Shenyang Hunnan New District Nanping Road No. 2 Applicant after: Shenyang Orient Titanium Industry Co., Ltd. Address before: 110000 Liaoning Province, Shenyang Hunnan New District Nanping Road No. 2 Applicant before: Shenyang Orient Titanium Industry Co., Ltd. |
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| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130313 |