CN210088822U - H-shaped fin auxiliary economizer - Google Patents
H-shaped fin auxiliary economizer Download PDFInfo
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- CN210088822U CN210088822U CN201920629724.0U CN201920629724U CN210088822U CN 210088822 U CN210088822 U CN 210088822U CN 201920629724 U CN201920629724 U CN 201920629724U CN 210088822 U CN210088822 U CN 210088822U
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- pipe
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- 230000007246 mechanism Effects 0.000 claims description 15
- 238000005299 abrasion Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 230000008021 deposition Effects 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 5
- 238000010791 quenching Methods 0.000 abstract description 5
- 230000000171 quenching effect Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000571 coke Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000002956 ash Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000010883 coal ash Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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Abstract
An H-shaped fin auxiliary economizer relates to the technical field of a coke dry quenching water supply system; the auxiliary economizer body consists of a first coiled pipe and a second coiled pipe; the first coiled pipe consists of a first straight pipe group, a first bent pipe and a second bent pipe; a plurality of straight pipe groups I are arranged in parallel up and down; each group of the first straight pipe group consists of two first straight pipes which are arranged in parallel up and down; the left ends of two adjacent first straight pipes are connected through a first bent pipe; the right ends of two adjacent first straight pipes are connected through a second bent pipe; the second coiled pipe consists of a second straight pipe, a third bent pipe and a fourth bent pipe; the dust deposition probability is reduced, the operation heat exchange efficiency of the equipment is improved, and the service life is prolonged.
Description
Technical Field
The utility model relates to a dry quenching water supply system technical field, concretely relates to coal economizer is vice to H type fin.
Background
The dry quenching is the most advanced quenching technology in the steel industry at home and abroad at present and is a low-carbon economic project greatly popularized by China. In the iron and steel combined enterprise, the iron making system accounts for more than 50% of the total energy consumption, and the pollution is the most serious, so the iron making system is always the key point of energy conservation and environmental protection of the metallurgical enterprise, and in the iron making system, the largest energy conservation and environmental protection technical measure belongs to the dry quenching technology.
The traditional secondary economizer adopts a spiral fin design. The helical fin auxiliary economizer leads the flue gas to change the flowing direction to rotate due to the helical angle of the helical fins, so that coke powder particles are separated from the flue gas, and dust accumulation is easy to form; another reason is that the fins are not parallel to the airflow and the back surface is prone to dust deposition. And the reasons such as small arrangement distance cause the finned tube deposition to be more serious, and the deposition causes further reduction of heat efficiency and corrosion, and further accelerates equipment damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a simple structure, reasonable in design, convenient to use's the vice economizer of H type fin reduces deposition probability, improve equipment operation heat exchange efficiency, increase of service life.
In order to achieve the above object, the utility model adopts the following technical scheme: it comprises an auxiliary economizer body; the auxiliary economizer body consists of a first coiled pipe and a second coiled pipe; the first coiled pipe consists of a first straight pipe group, a first bent pipe and a second bent pipe; a plurality of straight pipe groups I are arranged in parallel up and down; each group of the first straight pipe group consists of two first straight pipes which are arranged in parallel up and down; the left ends of two adjacent first straight pipes are connected through a first bent pipe; the right ends of two adjacent first straight pipes are connected through a second bent pipe; the second coiled pipe consists of a second straight pipe, a third bent pipe and a fourth bent pipe; two second straight pipes are clamped between each first straight pipe group; the left ends of two adjacent second straight pipes are connected through a third bent pipe; the right ends of two adjacent second straight pipes are connected through a fourth bent pipe; a plurality of H-shaped fin mechanisms are sleeved on the outer walls of the first straight pipe and the second straight pipe;
the H-shaped fin mechanism consists of a first fin and a second fin; the first fin is arranged on the rear side of the second fin; the arc-shaped structures in the middle of the inner side surfaces of the first fin and the second fin are fixed on the outer walls of the first straight pipe and the second straight pipe; gaps are reserved between the upper portion and the lower portion of the inner side surfaces of the first fin and the second fin.
Furthermore, pipe clamps are fixed on the front parts of the left side and the right side of the auxiliary economizer body.
Further, the gap is 5mm-10 mm.
Furthermore, the first bent pipe, the second bent pipe, the third bent pipe and the fourth bent pipe are all provided with a wear-resistant tile.
Furthermore, the left end and the right end of the first straight pipe and the second straight pipe are both provided with a second anti-abrasion tile; the right side surface of the second abrasion-proof tile positioned on the left side is arranged on the left side of the adjacent H-shaped fin mechanism; the left side surface of the second abrasion-proof tile positioned on the right side is arranged on the right side of the adjacent H-shaped fin mechanism.
After the structure is adopted, the utility model discloses beneficial effect does: a vice economizer of H type fin, reduce deposition probability, improve equipment operation heat exchange efficiency, increase of service life, the practicality is stronger, the utility model has the advantages of simple structure sets up rationally, the cost of manufacture low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a structural view of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a sectional view taken along line D-D in fig. 2.
Fig. 4 is an enlarged view of the portion C in fig. 1.
Fig. 5 is an enlarged view of a portion B in fig. 1.
Description of reference numerals:
the auxiliary economizer comprises an auxiliary economizer body 1, a first coiled pipe 2, a first straight pipe 2-1, a first bent pipe 2-2, a second bent pipe 2-3, a second coiled pipe 3, a second straight pipe 3-1, a third bent pipe 3-2, a fourth bent pipe 3-3, an H-shaped fin mechanism 4, a first fin 4-1, a second fin 4-2, a gap 5, a pipe clamp 6, a first anti-wear tile 7 and a second anti-wear tile 8.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, the technical solution adopted by the present embodiment is: it comprises a sub-economizer body 1; the auxiliary economizer body 1 is composed of a first coiled pipe 2 and a second coiled pipe 3; the diameters of the first coiled pipe 2 and the second coiled pipe 3 are the same; the first coiled pipe 2 consists of a first straight pipe group, a first bent pipe 2-2 and a second bent pipe 2-3; the three groups of the first straight pipes 2-1 are arranged in parallel up and down; each group of the first straight pipe group consists of two first straight pipes 2-1 which are arranged in parallel up and down; the left ends of two adjacent first straight pipes 2-1 are fixedly connected through a first bent pipe 2-2 in a welding manner; the right ends of two adjacent first straight pipes 2-1 are fixedly connected through a second bent pipe 2-3 in a welding manner; the second coiled pipe 3 consists of a second straight pipe 3-1, a third bent pipe 3-2 and a fourth bent pipe 3-3; two second straight pipes 3-1 are clamped between each first straight pipe group; the left ends of two adjacent second straight pipes 3-1 are fixedly connected through a third bent pipe 3-2 in a welding manner; the right ends of two adjacent second straight pipes 3-1 are fixedly connected through a fourth bent pipe 3-3 in a welding manner; the outer walls of the first straight pipe 2-1 and the second straight pipe 3-1 are respectively sleeved with a plurality of H-shaped fin mechanisms 4;
the H-shaped fin mechanism 4 consists of a first fin 4-1 and a second fin 4-2; the first fin 4-1 and the second fin 4-2 are both made of Q235 material; the first fin 4-1 is arranged at the rear side of the second fin 4-2; arc-shaped structures in the middle of the inner side surfaces of the first fin 4-1 and the second fin 4-2 are welded and fixed on the outer walls of the first straight pipe 2-1 and the second straight pipe 3-1 through flash resistance welding; gaps 5 are reserved between the upper portion and the lower portion of the inner side surfaces of the first fin 4-1 and the second fin 4-2.
Furthermore, pipe clamps 6 are welded and fixed on the front parts of the left side and the right side of the auxiliary economizer body 1; the pipe clamp 6 is convenient for mounting the auxiliary economizer body 1; the pipe clamp 6 is made of Q235 material.
Further, the gap 5 is 10 mm.
Furthermore, a first anti-abrasion tile 7 is welded and fixed on the first bent pipe 2-2, the second bent pipe 2-3, the third bent pipe 3-2 and the fourth bent pipe 3-3; wear prevention tile 7 is Q235 wear prevention tile.
Furthermore, the left end and the right end of the first straight pipe 2-1 and the second straight pipe 3-1 are both provided with a second anti-abrasion tile 8; the second wear-resistant tile 8 is a Q235 wear-resistant tile; the right side surface of the second abrasion-proof tile 8 positioned on the left side is arranged on the left side of the adjacent H-shaped fin mechanism 4; the left side surface of the second abrasion-proof tile 8 on the right side is arranged on the right side of the adjacent H-shaped fin mechanism 4.
The working principle of the specific embodiment is as follows: the first fin 4-1 and the second fin 4-2 on the H-shaped fin mechanism 4 are welded with the first straight pipe 2-1 and the second straight pipe 3-1, the tensile strength of welding seams is high, and the heat conduction performance is good; because the first fin 4-1 and the second fin 4-2 are welded on two sides where dust is not easy to accumulate, airflow can smoothly flow between the gaps, the direction of smoke is parallel to the first fin 4-1 and the second fin 4-2, dust accumulation on the first fin 4-1 and the second fin 4-2 of the smoke sweeping pipe is easy to guide, and dust is not easy to accumulate; the first coiled pipe 2 and the second coiled pipe 3 are arranged in a row; the first coiled pipe 2 and the second coiled pipe 3 divide the circulating gas air flue into a plurality of small areas and have a flow equalizing effect on air flow. Under the same other conditions, compared with the spiral fin type coal economizer adopting staggered arrangement, the wear-resistant service life of the spiral fin type coal economizer is 3-4 times longer, and the service life is prolonged.
After adopting above-mentioned structure, this embodiment's beneficial effect does:
1. the outer sides of the first straight pipe 2-1 and the second straight pipe 3-1 are sleeved with a plurality of H-shaped fin mechanisms 4, the internal airflow is changed into vertical airflow from original spiral airflow, the leeward surface is reduced, impurities such as coal ash and the like in the airflow can be timely discharged, the ash deposition probability is greatly reduced, the problem of reduction of heat exchange efficiency caused by ash deposition on the heated surface is effectively avoided, and the heat transfer efficiency is high;
2. the air flow in the auxiliary economizer body 1 is smooth, so that impurities such as coal ash and the like are timely discharged, the ash deposition probability is greatly reduced, the operation heat exchange efficiency of equipment is improved, the probability that the equipment is corroded is reduced, the equipment is improved, and the environmental protection and economic benefits are very high.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. An H-shaped fin auxiliary economizer comprises an auxiliary economizer body (1); the method is characterized in that: the auxiliary economizer body (1) is composed of a first coiled pipe (2) and a second coiled pipe (3); the first coiled pipe (2) consists of a first straight pipe group, a first bent pipe (2-2) and a second bent pipe (2-3); a plurality of straight pipe groups I are arranged in parallel up and down; each group of the first straight pipe group consists of two first straight pipes (2-1) which are arranged in parallel up and down; the left ends of two adjacent first straight pipes (2-1) are connected through a first bent pipe (2-2); the right ends of two adjacent first straight pipes (2-1) are connected through a second bent pipe (2-3); the second coiled pipe (3) consists of a second straight pipe (3-1), a third bent pipe (3-2) and a fourth bent pipe (3-3); two second straight pipes (3-1) are clamped between each first straight pipe group; the left ends of two adjacent second straight pipes (3-1) are connected through a third bent pipe (3-2); the right ends of two adjacent second straight pipes (3-1) are connected through a fourth bent pipe (3-3); a plurality of H-shaped fin mechanisms (4) are sleeved on the outer walls of the first straight pipe (2-1) and the second straight pipe (3-1);
the H-shaped fin mechanism (4) is composed of a first fin (4-1) and a second fin (4-2); the first fin (4-1) is arranged at the rear side of the second fin (4-2); the arc-shaped structures in the middle of the inner side surfaces of the first fin (4-1) and the second fin (4-2) are fixed on the outer walls of the first straight pipe (2-1) and the second straight pipe (3-1); gaps (5) are reserved between the upper portion and the lower portion of the inner side surfaces of the first fin (4-1) and the second fin (4-2).
2. The H-shaped fin secondary economizer according to claim 1, wherein: the front parts of the left side and the right side of the auxiliary economizer body (1) are respectively fixed with a pipe clamp (6).
3. The H-shaped fin secondary economizer according to claim 1, wherein: the gap (5) is 5mm-10 mm.
4. The H-shaped fin secondary economizer according to claim 1, wherein: the first bent pipe (2-2), the second bent pipe (2-3), the third bent pipe (3-2) and the fourth bent pipe (3-3) are respectively provided with a first anti-abrasion tile (7).
5. The H-shaped fin secondary economizer according to claim 1, wherein: the left end and the right end of the first straight pipe (2-1) and the second straight pipe (3-1) are respectively provided with a second anti-abrasion tile (8); the right side surface of a second abrasion-proof tile (8) positioned on the left side is arranged on the left side of the adjacent H-shaped fin mechanism (4); the left side surface of the second abrasion-proof tile (8) positioned on the right side is arranged on the right side of the adjacent H-shaped fin mechanism (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920629724.0U CN210088822U (en) | 2019-05-06 | 2019-05-06 | H-shaped fin auxiliary economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920629724.0U CN210088822U (en) | 2019-05-06 | 2019-05-06 | H-shaped fin auxiliary economizer |
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| Publication Number | Publication Date |
|---|---|
| CN210088822U true CN210088822U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920629724.0U Active CN210088822U (en) | 2019-05-06 | 2019-05-06 | H-shaped fin auxiliary economizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787246A (en) * | 2021-10-15 | 2021-12-14 | 中国电建集团山东电力建设第一工程有限公司 | Method for welding anti-abrasion tile of heating surface coiled pipe and coiled pipe heat exchanger |
-
2019
- 2019-05-06 CN CN201920629724.0U patent/CN210088822U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787246A (en) * | 2021-10-15 | 2021-12-14 | 中国电建集团山东电力建设第一工程有限公司 | Method for welding anti-abrasion tile of heating surface coiled pipe and coiled pipe heat exchanger |
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