CN212378553U - Device for cooling flue gas rich in high-concentration sulfur dioxide - Google Patents
Device for cooling flue gas rich in high-concentration sulfur dioxide Download PDFInfo
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- CN212378553U CN212378553U CN201922351055.8U CN201922351055U CN212378553U CN 212378553 U CN212378553 U CN 212378553U CN 201922351055 U CN201922351055 U CN 201922351055U CN 212378553 U CN212378553 U CN 212378553U
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- flue gas
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- sulfur dioxide
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Abstract
The utility model discloses a device for cooling flue gas rich in high-concentration sulfur dioxide, which comprises a wind barrel with a rectangular cross section, wherein the top surface of the wind barrel is provided with a top plate, the centroid of the top plate is provided with a wind pumping pipe with an upward opening, and the wind pumping pipe is provided with a draught fan; a horizontally arranged spraying pipe network and a plurality of vertically arranged sleeves are sequentially connected in the air duct from top to bottom; a plurality of baffles are longitudinally arranged on the sleeve and are parallel to the ground, and the area of each baffle is smaller than the cross sectional area of the sleeve and is larger than half of the cross sectional area of the sleeve; the left end of each flue gas pipeline is connected with a longitudinally arranged gas distribution bag, and the right end of each flue gas pipeline is connected with a longitudinally arranged gas collection bag; each metal flue gas pipeline is close to and gathers the gas bag position and be equipped with flow control valve, 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 device for cooling flue gas.
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 device that cools off the flue gas to prior art's not enough.
The utility model adopts the technical proposal as follows.
Carry out refrigerated device to flue gas that is rich in high concentration sulfur dioxide, its characterized in that: the air duct with the rectangular cross section is included, a top plate is arranged on the top surface of the air duct, an exhaust duct with an upward opening is arranged on the centroid of the top plate, and a draught fan is arranged on the exhaust duct; the cross section of the exhaust pipe from the connecting end with the top plate to the top end of the exhaust pipe is gradually changed into a circle from a rectangle.
A horizontally arranged spraying pipe network and a plurality of vertically arranged sleeves are sequentially connected in the air duct from top to bottom; the sleeve is longitudinally provided with a plurality of baffles, each baffle is parallel to the ground, and the area of each baffle is smaller than the cross sectional area of the sleeve and is larger than half of the cross sectional area of the sleeve.
A plurality of metal flue gas pipelines penetrate through the sleeves in the air duct; 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 the gas collecting bag, the main gas outlet is connected with a main gas outlet pipe, and an exhaust fan is arranged on the main gas outlet pipe; a plurality of support columns are vertically arranged at the bottoms of the air duct and the sleeve; the bottom end of the supporting column is arranged on the bottom surface of the water tank; a water tank is arranged on the ground right below the air duct; 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 air duct is higher than the ground.
Flow control valves are arranged at the positions, close to the gas collecting bags, of the flue gas pipelines; the metal flue gas pipeline is not contacted with the baffle plates in the sleeves in each sleeve.
Preferably, the baffle is made of iron.
As a preferred technical scheme, two adjacent baffle plates in each sleeve are arranged in a staggered mode in the vertical direction.
Preferably, the sleeve is made of iron.
As a preferred technical scheme, the bottom end of the air duct is connected with an anti-splashing air duct, the bottom surface of the anti-splashing air duct is higher than the ground, and the anti-splashing air duct is provided with a plurality of through holes.
As preferred technical scheme, the side of dryer is equipped with the cat ladder of connecting roof and ground.
As preferred technical scheme, the rail is equipped with around the roof.
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 the preferred technical scheme, the support column is a reinforced concrete support column.
As the preferred technical scheme, the air collecting bag is provided with a temperature measuring device; the air duct is made of iron.
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. A plurality of baffles are longitudinally arranged on the sleeve and are parallel to the ground, the area of each baffle is smaller than the cross sectional area of the sleeve and is larger than half of the cross sectional area of the sleeve, and water sprayed out of the spraying pipe network can be placed to directly and accurately fall into the water tank. 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 apparatus for cooling flue gas rich in high concentration sulfur dioxide according to 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.
Figure 4 is a cross-sectional view a-a' of the square of figure 1 of an arrangement for cooling a flue gas rich in sulphur dioxide in high concentration.
Fig. 5 is a cross-sectional view B-B' of the square in fig. 1 of an arrangement for cooling a flue gas rich in sulphur dioxide in high concentration.
Fig. 6 is a partially enlarged view of a portion D of fig. 5.
Figure 7 is a cross-sectional view C-C' of the square of figure 1 of a device for cooling a flue gas rich in sulphur dioxide in high concentration.
Fig. 8 is a cross-sectional view along E-E' of the square in fig. 7 of a device for cooling a flue gas rich in high concentrations of sulphur dioxide.
Fig. 9 is a cross-sectional view along F-F' of the square of fig. 7 of a device for cooling a flue gas rich in high concentrations of sulphur dioxide.
Fig. 10 is a schematic structural view of a preferred embodiment of the apparatus for cooling flue gas rich in high concentration sulfur dioxide according to the present invention.
Wherein: an air duct-1; a top plate-2; a draught fan-3; a spray pipe network-4; a sleeve-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 fast motor-18; a drive motor-19; a fan blade-20; a ladder stand-22; a rail-23; temperature measuring means-24; an anti-splash wind cone-25; a water pump-26; a baffle-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, the device for cooling flue gas rich in high-concentration sulfur dioxide comprises an air duct 1 with a rectangular cross section, wherein a top plate 2 is arranged on the top surface of the air duct 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 28; 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 sleeves 5 are sequentially connected in the air duct 1 from top to bottom; a plurality of baffles 27 are longitudinally arranged on the sleeve 5, each baffle 27 is parallel to the ground, and the area of each baffle 27 is smaller than the cross sectional area of the sleeve 5 and is larger than half of the cross sectional area of the sleeve 5;
a plurality of metal flue gas pipelines 6 penetrate through the sleeves 5 in the air duct 1; 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 support columns 14 are vertically arranged at the bottoms of the air duct 1 and the sleeve 5; the bottom end of the supporting column 14 is arranged on the bottom surface of the water tank 15; a water tank 15 is arranged on the ground right below the air duct 1; 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 air duct 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 metal flue gas duct 6 is not in contact with the baffles 27 in said sleeves 5 in each sleeve 5.
The baffle 27 is an iron baffle 27.
Two adjacent baffles 27 in each sleeve 5 are staggered in the vertical direction.
The sleeve 5 is an iron sleeve 5.
The side of the wind barrel 1 is provided with a ladder 22 for connecting the top plate 2 and the ground.
The periphery of the top plate 2 is provided with a fence 23.
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 support columns 14 are reinforced concrete columns.
The gas collecting bag 10 is provided with a temperature measuring device 24; the air duct 1 is an iron air duct 1.
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 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 sleeve 5 is longitudinally provided with a plurality of baffles 27, each baffle 27 is parallel to the ground, the area of each baffle 27 is smaller than the cross sectional area of the sleeve 5 and is larger than half of the cross sectional area of the sleeve 5, and water sprayed by the spraying pipe network 4 can be directly and accurately dropped into the water tank 15. 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.
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 (10)
1. Carry out refrigerated device to flue gas that is rich in high concentration sulfur dioxide, its characterized in that: the air-drying device comprises an air duct (1) with a rectangular cross section, wherein a top plate (2) is arranged on the top surface of the air duct (1), an air 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 air exhaust pipe (28); 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 horizontal spraying pipe network (4) and a plurality of vertical sleeves (5) are sequentially connected in the air duct (1) from top to bottom; a plurality of baffles (27) are longitudinally arranged on the sleeve (5), each baffle (27) is parallel to the ground, and the area of each baffle (27) is smaller than the cross sectional area of the sleeve (5) and is larger than half of the cross sectional area of the sleeve (5);
a plurality of metal flue gas pipelines (6) penetrate through the sleeves (5) in the air duct (1); 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 support columns (14) are vertically arranged at the bottoms of the air duct (1) and the sleeve (5); the bottom end of the supporting column (14) is arranged on the bottom surface of the water tank (15); a water tank (15) is arranged on the ground right below the air duct (1); 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 air duct (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 metal flue gas ducts (6) are not in contact with the baffles (27) in the sleeves (5) in each sleeve (5).
2. The apparatus for cooling a flue gas rich in high concentration of sulfur dioxide as set forth in claim 1, wherein: the baffle (27) is an iron baffle (27).
3. The apparatus for cooling a flue gas rich in high concentration of sulfur dioxide as set forth in claim 1, wherein: two adjacent baffles (27) in each sleeve (5) are arranged in a staggered manner in the vertical direction.
4. The apparatus for cooling a flue gas rich in high concentration of sulfur dioxide as set forth in claim 1, wherein: the sleeve (5) is an iron sleeve (5).
5. The apparatus for cooling a flue gas rich in high concentration sulfur dioxide as claimed in claim 4, wherein: the bottom end of the air duct (1) 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).
6. The apparatus for cooling a flue gas rich in high concentration of sulfur dioxide as set forth in claim 1, wherein: the side surface of the wind tube (1) is provided with a ladder (22) which is used for connecting the top plate (2) and the ground.
7. The apparatus for cooling a flue gas rich in high concentration sulfur dioxide as claimed in claim 6, wherein: the periphery of the top plate (2) is provided with a fence (23).
8. The apparatus for cooling a flue gas rich in high concentration of sulfur dioxide as set forth in 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.
9. The apparatus for cooling a flue gas rich in high concentration of sulfur dioxide as set forth in claim 1, wherein: the supporting columns (14) are reinforced concrete supporting columns.
10. The apparatus for cooling a flue gas rich in high concentration of sulfur dioxide as set forth in claim 1, wherein: the gas collecting bag (10) is provided with a temperature measuring device (24); the air duct (1) is an iron air duct (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922351055.8U CN212378553U (en) | 2019-12-25 | 2019-12-25 | Device for cooling flue gas rich in high-concentration sulfur dioxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922351055.8U CN212378553U (en) | 2019-12-25 | 2019-12-25 | Device for cooling flue gas rich in high-concentration sulfur dioxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212378553U true CN212378553U (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922351055.8U Active CN212378553U (en) | 2019-12-25 | 2019-12-25 | Device for cooling flue gas rich in high-concentration sulfur dioxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212378553U (en) |
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- 2019-12-25 CN CN201922351055.8U patent/CN212378553U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210315 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. |