CN212006821U - Square flue gas countercurrent heat exchange device - Google Patents
Square flue gas countercurrent heat exchange device Download PDFInfo
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- CN212006821U CN212006821U CN201922351054.3U CN201922351054U CN212006821U CN 212006821 U CN212006821 U CN 212006821U CN 201922351054 U CN201922351054 U CN 201922351054U CN 212006821 U CN212006821 U CN 212006821U
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Abstract
The utility model discloses a square flue gas countercurrent heat exchange device, which comprises a sleeve with a rectangular cross section, wherein the top surface of the sleeve is provided with a top plate, the centroid of the top plate is provided with an exhaust pipe with an upward opening, and the exhaust pipe is provided with a draught fan; a horizontally arranged spray pipe network and a plurality of vertically arranged wave plates are sequentially connected in the sleeve from top to bottom; a plurality of iron flue gas pipelines which are transversely arranged and penetrate through the wave plate; the left end of each flue gas pipeline is connected with a longitudinally arranged gas distribution bag, the right end of each flue gas pipeline is connected with a longitudinally arranged gas collection bag, and a plurality of support columns are vertically arranged at the bottoms of the sleeve and the metal inclined plate; a water tank is arranged on the ground right below the sleeve, and a flow control valve is arranged at the position, close to the gas collecting bag, of each flue gas pipeline; the air collecting bag is provided with a temperature measuring device. The utility model has the characteristics of the heat transfer efficient.
Description
Technical Field
The invention relates to the technical field of petrochemical equipment, in particular to a flue gas heat exchange device.
Background
The flue gas heat exchanger is a device which uses water as a circulating coolant, absorbs heat from a flue gas pipeline and discharges the heat to the outside so as to reduce the temperature of the flue gas.
The patent with publication number CN102658016A discloses a method for ammonia desulphurization of flue gas and by-production of high-purity ammonium bisulfite, which comprises combusting solid matter rich in sulfur to generate flue gas rich in high-concentration sulfur dioxide gas; the flue gas enters a cyclone separator for dust removal, the flue gas after dust removal enters a heat exchanger, the temperature is reduced to 60-70 ℃, and the process of accurately cooling the flue gas is difficult to realize by the conventional heat exchange device. Most of the existing cooling devices are of circular single-body structures with cross sections, the devices operate independently, and the actual operating power of each cooling device is within a certain range, so that the single-body structures are difficult to meet the requirements when a large amount of cooling is needed in a short time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flue gas heat exchange device to prior art's not enough.
The utility model adopts the technical proposal as follows.
A square flue gas countercurrent heat exchange device comprises a sleeve with a rectangular cross section, wherein a top plate is arranged on the top surface of the sleeve, an exhaust pipe with an upward opening is arranged on the centroid of the top plate, and a draught fan is arranged on the exhaust pipe; the cross section of the exhaust pipe gradually changes from a rectangle to a circle from the end connected with the top plate to the top end of the exhaust pipe;
a horizontally arranged spray pipe network and a plurality of vertically arranged wave plates are sequentially connected in the sleeve from top to bottom; a plurality of iron flue gas pipelines which are transversely arranged and penetrate through the wave plate; the left end of each flue gas pipeline is connected with a longitudinally arranged gas distribution bag, a main gas inlet is arranged on each gas distribution bag, and a main gas inlet pipe is arranged on each main gas inlet; the right end of each flue gas pipeline is connected with a longitudinally arranged gas collecting bag, a main gas outlet is arranged on each gas collecting bag, the main gas outlet is connected with a main gas outlet pipe, and an exhaust fan is arranged on each main gas outlet pipe.
A plurality of support columns are vertically arranged at the bottoms of the sleeve and the metal inclined plate; a water tank is arranged on the ground right below the sleeve.
The bottom end of the supporting column is arranged on the bottom surface of the water tank; the spraying pipe network is connected with the water tank through a water pump; a plurality of spray heads are arranged on the spray pipe network; the bottom surface of the sleeve is higher than the ground; flow control valves are arranged at the positions of the flue gas pipelines close to the gas collecting bags.
The air collecting bag is provided with a temperature measuring device.
The top end of the exhaust pipe is provided with a dust cover.
As a preferred technical scheme, the wave plate is an iron wave plate.
As preferred technical scheme, the bottom of sleeve is connected with prevents the sleeve that splashes, prevents that splash sleeve bottom surface is higher than ground.
As the preferred technical scheme, be equipped with a plurality of through-holes on the sleeve that prevents splashing.
As preferred technical scheme, the draught fan includes gear motor, driving motor, a plurality of fan blade, and the fan blade is installed on gear motor, and gear motor links to each other with driving motor through the transmission shaft that the level set up to.
As preferred technical scheme, the side of sleeve is equipped with the cat ladder of connecting roof and ground.
As preferred technical scheme, the rail is equipped with around the roof.
Preferably, the sleeve is made of iron.
As the preferred technical scheme, the support column is a reinforced concrete support column.
The utility model has the advantages that: the cross section of the flue gas heat exchanger is rectangular, when required, a plurality of flue gas heat exchangers can be arranged side by side, and the occupied area is smaller. Be equipped with the draught fan, can follow gas heater ware top convulsions, be equipped with branch gas pocket and metal flue gas pipeline and be close to and catchment the gas pocket position and be equipped with flow control valve, when single metal flue gas pipeline cooling does not reach the requirement, can be through the size of control flow control valve, the size that the control was admitted air, holistic cooling efficiency is better. The wave plate has played the effect of the fin of flue gas pipeline, and the wave plate makes the direct accurate water that sprays the pipe network blowout fall in the basin and form the water film between the wave plate. The cross section of the exhaust pipe from the end connected with the top plate to the top end of the exhaust pipe is gradually changed into a circle from a rectangle, the air flow can be gradually contracted from the square to the circle, and the air flow field is smooth and has no air flow vortex and dead angle.
Drawings
Fig. 1 is a top view of a preferred embodiment of the square flue gas counter-flow heat exchange device of the present invention.
Fig. 2 is a partially enlarged view of a portion G of fig. 1.
Fig. 3 is a partially enlarged view of a portion H of fig. 1.
FIG. 4 is a cross-sectional view A-A' of the square flue gas counter-flow heat exchange device of FIG. 1.
FIG. 5 is a cross-sectional view along B-B' of the square flue gas counter-flow heat exchange device of FIG. 1.
FIG. 6 is a cross-sectional view of the square flue gas counter-flow heat exchange device of FIG. 1 taken along C-C'.
FIG. 7 is a cross-sectional view along D-D' of the square flue gas counter-flow heat exchanger device shown in FIG. 6.
FIG. 8 is a cross-sectional view of the square flue gas counter-flow heat exchange device of FIG. 6 taken along E-E'.
FIG. 9 is a cross-sectional view along F-F' of the square flue gas counter-flow heat exchange device of FIG. 6.
Fig. 10 is a schematic structural diagram of a preferred embodiment of the square flue gas countercurrent heat exchange device of the present invention.
Wherein: a sleeve-1; a top plate-2; a draught fan-3; a spray pipe network-4; a wave plate-5; a flue gas duct-6; a gas distribution bag-7; total gas inlet-8; a total air inlet pipe-9; a gas collection bag-10; a total air outlet-11; a main gas outlet pipe-12; an exhaust fan-13; a support post-14; a water tank-15; a spray head-16; a flow control valve-17; a reduction motor-18; a drive motor-19; a fan blade-20; a transmission shaft-21; a ladder stand-22; a rail-23; temperature measuring means-24; anti-splash sleeve-25; a water pump-26; a dust cover-27; an exhaust pipe-28.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.
Example 1. As shown in fig. 1-9, a square flue gas countercurrent heat exchange device comprises a sleeve 1 with a rectangular cross section, a top plate 2 is arranged on the top surface of the sleeve 1, an exhaust pipe 28 with an upward opening is arranged on the centroid of the top plate 2, and an induced draft fan 3 is arranged on the exhaust pipe; the cross section of the exhaust pipe 28 gradually changes from a rectangle to a circle from the end connected with the top plate 2 to the top end of the exhaust pipe 28;
a horizontally arranged spraying pipe network 4 and a plurality of vertically arranged wave plates 5 are sequentially connected in the sleeve 1 from top to bottom; a plurality of iron flue gas pipelines 6 which are transversely arranged and penetrate through the corrugated plate 5; the left end of each flue gas pipeline 6 is connected with a longitudinally arranged gas distribution bag 7, a main gas inlet 8 is arranged on each gas distribution bag 7, and a main gas inlet pipe 9 is arranged on each main gas inlet 8; the right end of each flue gas pipeline 6 is connected with a longitudinally arranged gas collecting bag 10, a main gas outlet 11 is arranged on the gas collecting bag 10, the main gas outlet 11 is connected with a main gas outlet pipe 12, and an exhaust fan 13 is arranged on the main gas outlet pipe 12;
a plurality of supporting columns 14 are vertically arranged at the bottoms of the sleeve 1 and the metal inclined plate; a water tank 15 is arranged on the ground right below the sleeve 1;
the bottom end of the supporting column 14 is arranged on the bottom surface of the water tank 15; the spraying pipe network 4 is connected with the water tank 15 through a water pump 26; a plurality of spray heads 16 are arranged on the spray pipe network 4; the bottom surface of the sleeve 1 is higher than the ground; a flow control valve 17 is arranged at the position of each flue gas pipeline 6 close to the gas gathering bag 10;
the gas collecting bag 10 is provided with a temperature measuring device 24;
the top end of the exhaust pipe 28 is provided with a dust cover 27.
The wave plate 5 is an iron wave plate 5.
The draught fan 3 comprises a speed reducing motor 18, a driving motor 19 and a plurality of fan blades 20, the fan blades 20 are installed on the speed reducing motor 18, and the speed reducing motor 18 is connected with the driving motor 19 through a transmission shaft 21 which is horizontally arranged.
The side of the sleeve 1 is provided with a ladder 22 connecting the top plate 2 and the ground.
The periphery of the top plate 2 is provided with a fence 23.
The sleeve 1 is an iron sleeve 1.
The support columns 14 are reinforced concrete columns.
The cross section of the flue gas heat exchanger is rectangular, when required, a plurality of flue gas heat exchangers can be arranged side by side, and the occupied area is smaller. Be equipped with draught fan 3, can follow gas heat exchanger top convulsions, be equipped with branch gas bag 7 and metal flue gas pipeline 6 and be close to the gas bag 10 positions of converging and be equipped with flow control valve 17, when single metal flue gas pipeline 6 cools off and can not reach the requirement, can be through the size of controlling flow control valve 17, the size that the control was admitted air, holistic cooling efficiency is better. The wave plates 5 have the function of radiating fins of the flue gas pipeline 6, and the wave plates 5 enable water sprayed by the spraying pipe network 4 to directly fall into the water tank 15 and form water films among the wave plates 5. The cross section of the exhaust pipe from the end connected with the top plate 2 to the top end of the exhaust pipe is gradually changed into a circle from a rectangle, the airflow can be gradually contracted from the square to the circle, and the airflow field is smooth and has no airflow vortex and dead angles.
Example 2. As shown in fig. 10, the present embodiment is different from embodiment 1 in that: the bottom end of the sleeve is connected with an anti-splashing air duct 25, the bottom surface of the anti-splashing air duct 25 is higher than the ground, and a plurality of through holes are formed in the anti-splashing air duct 25.
The above-mentioned embodiments are only for understanding the present invention, and are not intended to limit the technical solutions of the present invention, and those skilled in the relevant art can make various changes or modifications based on the technical solutions described in the claims, and all equivalent changes or modifications should be covered by the scope of the claims of the present invention. The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (9)
1. The utility model provides a square flue gas is heat exchange device against current which characterized in that: the device comprises a sleeve (1) with a rectangular cross section, wherein a top plate (2) is arranged on the top surface of the sleeve (1), an exhaust pipe (28) with an upward opening is arranged on the centroid of the top plate (2), and an induced draft fan (3) is arranged on the exhaust pipe; the cross section of the exhaust pipe (28) gradually changes from a rectangle to a circle from the end connected with the top plate (2) to the top end of the exhaust pipe (28);
a horizontally arranged spraying pipe network (4) and a plurality of vertically arranged wave plates (5) are sequentially connected in the sleeve (1) from top to bottom; a plurality of iron flue gas pipelines (6) which are transversely arranged and penetrate through the corrugated plate (5); the left end of each flue gas pipeline (6) is connected with a longitudinally arranged gas distribution bag (7), a main gas inlet (8) is arranged on the gas distribution bag (7), and a main gas inlet pipe (9) is arranged on the main gas inlet (8); the right end of each flue gas pipeline (6) is connected with a longitudinally arranged gas gathering bag (10), a main gas outlet (11) is arranged on the gas gathering bag (10), the main gas outlet (11) is connected with a main gas outlet pipe (12), and an exhaust fan (13) is arranged on the main gas outlet pipe (12);
a plurality of supporting columns (14) are vertically arranged at the bottoms of the sleeve (1) and the metal inclined plate; a water tank (15) is arranged on the ground right below the sleeve (1);
the bottom end of the supporting column (14) is arranged on the bottom surface of the water tank (15); the spraying pipe network (4) is connected with the water tank (15) through a water pump (26); a plurality of spray heads (16) are arranged on the spraying pipe network (4); the bottom surface of the sleeve (1) is higher than the ground; flow control valves (17) are arranged at the positions, close to the gas collecting bags (10), of the flue gas pipelines (6);
the gas collecting bag (10) is provided with a temperature measuring device (24);
the top end of the exhaust pipe (28) is provided with a dust cover (27).
2. The square flue gas counter-flow heat exchange device of claim 1, wherein: the wave plate (5) is an iron wave plate (5).
3. The square flue gas counter-flow heat exchange device of claim 1, wherein: the bottom end of the sleeve (1) is connected with an anti-splash sleeve (25), and the bottom surface of the anti-splash sleeve (25) is higher than the ground.
4. The square flue gas counter-flow heat exchange device of claim 3, wherein: the splash-proof sleeve (25) is provided with a plurality of through holes.
5. The square flue gas counter-flow heat exchange device of claim 1, wherein: draught fan (3) include gear motor (18), driving motor (19), a plurality of fan blade (20), and fan blade (20) are installed on gear motor (18), and gear motor (18) link to each other with driving motor (19) through level to transmission shaft (21) that sets up.
6. The square flue gas counter-flow heat exchange device of claim 1, wherein: the side surface of the sleeve (1) is provided with a ladder (22) for connecting the top plate (2) and the ground.
7. The square flue gas counter-flow heat exchange device of claim 6, wherein: the periphery of the top plate (2) is provided with a fence (23).
8. The square flue gas counter-flow heat exchange device of claim 1, wherein: the sleeve (1) is an iron sleeve (1).
9. The square flue gas counter-flow heat exchange device of claim 1, wherein: the supporting columns (14) are reinforced concrete supporting columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922351054.3U CN212006821U (en) | 2019-12-25 | 2019-12-25 | Square flue gas countercurrent heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922351054.3U CN212006821U (en) | 2019-12-25 | 2019-12-25 | Square flue gas countercurrent heat exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212006821U true CN212006821U (en) | 2020-11-24 |
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ID=73409047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922351054.3U Active CN212006821U (en) | 2019-12-25 | 2019-12-25 | Square flue gas countercurrent heat exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212006821U (en) |
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2019
- 2019-12-25 CN CN201922351054.3U patent/CN212006821U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210312 Address after: 252800 Luzhuang village, Jiangdian Town, Gaotang County, Liaocheng City, Shandong Province Patentee after: Shuize Festival (Shandong) Environmental Protection Technology Co.,Ltd. Address before: 252800 Luzhuang village, Jiangdian Town, Gaotang County, Liaocheng City, Shandong Province Patentee before: SHANDONG TIANTAI STEEL-PLASTIC Co.,Ltd. |
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| TR01 | Transfer of patent right |