CN224071473U - Sulfur dioxide dust removal heat recovery jar that falls - Google Patents
Sulfur dioxide dust removal heat recovery jar that fallsInfo
- Publication number
- CN224071473U CN224071473U CN202521233654.9U CN202521233654U CN224071473U CN 224071473 U CN224071473 U CN 224071473U CN 202521233654 U CN202521233654 U CN 202521233654U CN 224071473 U CN224071473 U CN 224071473U
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- fixedly connected
- tank body
- heat recovery
- sulfur dioxide
- dust removal
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Abstract
本实用新型涉及烟气处理技术领域，提出了一种二氧化硫除尘降温热回收罐，包括罐体，罐体顶部的一端固定连接有进气管，罐体的底部固定连接有出气管，罐体内侧的顶端固定连接有除尘网板，除尘网板的底部转动连接有吸风叶轮，罐体的顶部固定安装有电机，罐体内侧的底端设置有热回收机构，热回收机构包括两个平行设置的隔板，两个隔板之间固定连接有若干阵列分布的换热管，罐体的一侧固定连接有冷水入管，罐体的另一侧固定连接有热水出管，吸风叶轮的下方设置有导风机构。本实用新型通过平行隔板间密集排列的换热管及折流板形成的S型水流通道，显著延长冷却水与烟气的接触时间和路径，实现烟气余热的充分回收。
This utility model relates to the field of flue gas treatment technology and proposes a sulfur dioxide dust removal and cooling heat recovery tank, including a tank body. An air inlet pipe is fixedly connected to one end of the top of the tank body, and an air outlet pipe is fixedly connected to the bottom of the tank body. A dust removal screen is fixedly connected to the top of the inner side of the tank body, and a suction impeller is rotatably connected to the bottom of the dust removal screen. A motor is fixedly installed on the top of the tank body, and a heat recovery mechanism is provided at the bottom of the inner side of the tank body. The heat recovery mechanism includes two parallel partitions, with a plurality of arrayed heat exchange tubes fixedly connected between the two partitions. A cold water inlet pipe is fixedly connected to one side of the tank body, and a hot water outlet pipe is fixedly connected to the other side of the tank body. A guide mechanism is provided below the suction impeller. This utility model significantly extends the contact time and path between cooling water and flue gas through the S-shaped water flow channel formed by the densely arranged heat exchange tubes and baffles between the parallel partitions, achieving full recovery of waste heat from the flue gas.
Description
Technical Field
The utility model relates to the technical field of flue gas treatment, in particular to a sulfur dioxide dedusting and cooling heat recovery tank.
Background
In industrial production, flue gas generated in the processes of fire coal, metallurgy, chemical industry and the like often contains a large amount of sulfur dioxide (SO 2), and direct discharge of the flue gas can cause problems of acid rain, atmospheric pollution, equipment corrosion and the like, SO that Flue Gas Desulfurization (FGD) technology becomes a key link of environmental protection treatment, and a traditional SO 2 treatment process generally comprises three steps of dust removal, temperature reduction and desulfurization reaction.
Through retrieving, "a waste gas waste heat treatment recycling device" disclosed in China patent (publication No.: 213761116U), the device comprises a heat conduction mechanism and a dust removal mechanism, the heat conduction mechanism comprises a machine body and a heat conduction pipe, a mounting plate is fixedly mounted at the inner bottom end of the machine body, the input end of the heat conduction pipe penetrates through the mounting plate, the heat conduction pipe is spirally distributed at the inner middle end of the machine body, two L-shaped mounting seats are symmetrically mounted at the inner top end of the machine body, a steam turbine is rotatably mounted between the two L-shaped mounting seats, the output end of the steam turbine penetrates through one L-shaped mounting seat and is fixedly mounted with a belt, the other end of the belt is in transmission connection with the output end of the generator, the dust removal mechanism comprises a cathode plate, an anode plate and a first water pipe, the anode plate is fixedly mounted at the bottom end of the mounting plate, one side of the anode plate is fixedly mounted at the position corresponding to the inner bottom end of the machine body, one side of the assembly penetrates through the output end of the mounting plate, the first water pipe penetrates through the inner bottom end of the machine body and is fixedly mounted at the first water pipe and penetrates through the first water pipe and is fixedly connected with the first water pipe and extends to the top end of the water pipe of the condenser body, and is fixedly connected with the second water pipe and the first water pipe penetrates through the first water pipe and the second water pipe and is fixedly connected with the top end of the condenser body.
However, in the implementation of the related technical process, the technical scheme has certain technical defects that the common means of spray cooling are adopted in the technical scheme, the water consumption is large, the generated wastewater is difficult to treat, and the flue gas waste heat (generally 120-180 ℃) contains a large amount of recoverable energy, so that the energy waste is caused if the flue gas waste heat is not utilized, and the sulfur dioxide dust removal and heat reduction heat recovery tank is provided.
Disclosure of utility model
The utility model provides a sulfur dioxide dedusting and heat reducing heat recovery tank, which solves the problem that heat energy in flue gas waste heat is not fully recovered in the prior art.
The technical scheme includes that the sulfur dioxide dedusting and cooling heat recovery tank comprises a tank body, one end of the top of the tank body is fixedly connected with an air inlet pipe for introducing sulfur dioxide, the bottom of the tank body is fixedly connected with an air outlet pipe, the top of the inner side of the tank body is fixedly connected with a dedusting screen plate, the bottom of the dedusting screen plate is rotationally connected with an induced draft impeller, the top of the tank body is fixedly provided with a motor, an output shaft of the motor is fixedly connected with the induced draft impeller, the bottom of the inner side of the tank body is provided with a heat recovery mechanism, the heat recovery mechanism comprises two parallel-arranged partition plates, the two partition plates are fixedly connected with the inner side of the tank body, a plurality of heat exchange pipes distributed in arrays are fixedly connected between the two partition plates, the heat exchange pipes penetrate through the two partition plates, one side of the tank body is fixedly connected with a cold water inlet pipe, the other side of the tank body is fixedly connected with a hot water outlet pipe, and the cold water inlet pipe is communicated with the hot water through the tank body, and a wind guiding mechanism for guiding sulfur dioxide into the heat exchange pipes evenly through rotation of the induced draft impeller.
Preferably, a plurality of baffle plates distributed in a staggered manner along the vertical direction are arranged between the baffle plates, and are fixedly connected to the inner side of the tank body and form an S-shaped channel.
Preferably, the cold water inlet pipe is located above the hot water outlet pipe, the inlet end of the cold water inlet pipe is externally connected with cold water supply equipment, and the outlet end of the hot water outlet pipe is externally connected with hot water storage equipment.
Preferably, the outer edge of the bottom of the tank body is fixedly connected with a plurality of supporting legs, and the supporting legs are distributed around the tank body at equal angles.
Preferably, the wind guiding mechanism comprises a fixed frame fixedly connected to the inner side of the tank body, a plurality of guide plates are rotationally connected to the inner side of the fixed frame and distributed along the length direction of the fixed frame at equal intervals, a plurality of guide plates are fixedly connected with spur gears on the inner side of the guide plates, a sliding rod penetrating through the side wall of the tank body is connected to one side of the tank body in a sliding mode, a toothed plate is fixedly connected to one end of the sliding rod, a plurality of spur gears are meshed with the toothed plate, and a linkage piece for driving the sliding rod to slide in a reciprocating mode through matching with rotation of an air suction impeller is arranged at the other end of the sliding rod.
Preferably, the guide plates are of arc structures, and the diameters of the guide plates from the center position to the end parts of the fixing frame are gradually reduced.
Preferably, one end fixedly connected with connecting plate of pinion rack, the equal fixedly connected with guide bar in both ends of connecting plate bottom, the spout with two guide bar clearance fit is seted up to the one end at mount top.
Preferably, the linkage piece includes the protective housing of fixed connection in jar body outside, the inboard rotation of protective housing is connected with reciprocating screw rod, threaded connection has the slider on the reciprocating screw rod, the bottom fixedly connected with of slider runs through the movable rod of protective housing diapire, the guide way with movable rod clearance fit is seted up to the diapire of protective housing, the bottom and the slide bar fixed connection of movable rod, the inboard bottom fixedly connected with support of jar, the inboard fixedly connected with mounting box of support, the inboard fixedly connected with of mounting box is with the first bevel gear of the coaxial fixed of impeller that induced drafts, the outside rotation of mounting box is connected with the pivot that runs through the mounting box lateral wall, the one end fixedly connected with of pivot and the second bevel gear of first bevel gear meshing, the other end and the tip fixed connection of reciprocating screw rod of pivot.
The working principle and the beneficial effects of the utility model are as follows:
1. The S-shaped water flow channel formed by the heat exchange pipes and the baffle plates which are densely arranged among the parallel baffle plates obviously prolongs the contact time and the path of cooling water and smoke, realizes the full recovery of the smoke waste heat, avoids the problems of high water consumption and wastewater treatment of the traditional spraying mode, and reduces the operation cost.
2. The motor drives the induced draft impeller to rotate at high speed to force the flue gas to pass through the dust removing screen plate, accelerates dust filtration and prevents filter screen jam, promotes dust collection efficiency.
3. The air guide mechanism converts impeller rotation into reciprocating swing of the guide plates through the linkage piece, the diameters of the arc guide plates decrease from the center to the two ends, sulfur dioxide gas is ensured to be uniformly dispersed into all heat exchange tubes, local overheating or uneven heat exchange is avoided, and the heat exchange area utilization rate is maximized.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of a sulfur dioxide dedusting and heat reducing heat recovery tank in the utility model;
FIG. 2 is a partial cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the heat recovery mechanism of the present utility model;
FIG. 4 is a schematic structural view of an air guiding mechanism according to the present utility model;
Fig. 5 is an enlarged schematic view of a portion a of fig. 4;
Fig. 6 is a schematic structural view of the linkage member of the present utility model.
The device comprises a tank body, 2, a supporting leg, 3, an air inlet pipe, 4, a dust removing net plate, 5, an air suction impeller, 6, a wind guiding mechanism, 61, a fixing frame, 62, a guide plate, 63, a straight gear, 64, a sliding rod, 65, a toothed plate, 66, a linkage piece, 661, a protective box, 662, a reciprocating screw rod, 663, a sliding block, 664, a movable rod, 665, a guide groove, 666, a rotating shaft, 667, a bracket, 668, a mounting box, 669, a first bevel gear, 660, a second bevel gear, 67, a connecting plate, 68, a guide rod, 69, a sliding groove, 7, a heat recovery mechanism, 71, a partition plate, 72, a heat exchange tube, 73, a cold water inlet tube, 74, a hot water outlet tube, 75, a baffle plate, 8, an air outlet pipe, 9 and a motor.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment 1, as shown in fig. 1-6, a sulfur dioxide removes dust and falls warm recovery tank, including a jar body 1, a plurality of stabilizer blades 2 of outer edge fixedly connected with of jar body 1 bottom, a plurality of stabilizer blades 2 are equiangular distribution round jar body 1, the one end fixedly connected with at jar body 1 top is used for leading in sulfur dioxide's intake pipe 3, the bottom fixedly connected with outlet duct 8 of jar body 1, the top fixedly connected with dust removal otter board 4 of jar body 1 inboard, the bottom rotation of dust removal otter board 4 is connected with induced draft impeller 5, the top fixedly mounted of jar body 1 has motor 9, the output shaft and the impeller 5 fixed connection that induced drafts of motor 9, the bottom of jar body 1 inboard is provided with heat recovery mechanism 7, heat recovery mechanism 7 includes two parallel arrangement's baffle 71, two baffle 71 all fixed connection are in jar body 1 inboard, a plurality of array distribution's heat transfer tubes 72 between two baffle 71, a plurality of heat transfer tubes 72 all run through two baffles 71, one side fixedly connected with cold water inlet tube 73 of jar body 1, the opposite side fixedly connected with hot water outlet tube 74 of jar body 1, cold water inlet tube 73 and cold water inlet tube 74 are connected with the impeller 5 through jar 1, the bottom of the inside heat transfer tube 1 is located the cold water inlet tube 6, the cold water inlet tube is connected with cold water outlet tube 6 through the fan outlet tube side of the fan, the cold water inlet tube is connected with cold water inlet tube 6, the cold water inlet tube is connected with cold water outlet tube inlet tube 6, the cold water outlet tube inlet tube is connected with cold water outlet tube inlet tube 6, outlet tube is connected with cold water outlet tube.
The sulfur dioxide gas is led into the tank body 1 through the air inlet pipe 3, dust and impurities mixed in the sulfur dioxide can be filtered by the dust removing net plate 4, and meanwhile, the air suction impeller 5 is driven to rotate by the starting motor 9, so that the flow speed of the air inlet pipe 3 can be increased to improve the dust removing efficiency.
In the process of driving the air suction impeller 5 to rotate by the motor 9, the air guide mechanism 6 is matched with the rotation of the air suction impeller 5 to uniformly guide the dust-removed sulfur dioxide into the heat exchange tubes 72, and meanwhile, cooling water is led into the cold water inlet tube 73 through the cold water supply equipment, so that the cooling water is in contact with the heat exchange tubes 72 and uniformly exchanges heat with sulfur dioxide gas, the heat exchange efficiency is greatly improved, the problems of high water consumption and wastewater treatment in the traditional spraying mode are avoided, and the operation cost is reduced.
A plurality of baffle plates 75 which are distributed in a staggered manner along the vertical direction are arranged between the baffle plates 71, the baffle plates 75 are fixedly connected to the inner side of the tank body 1, and the baffle plates 75 form an S-shaped channel.
The design of the baffle plates 75 can change the flow track of the cooling water, so that the cooling water flows along the S-shaped channels formed by the baffle plates 75, thus greatly prolonging the flow path of the cooling water, prolonging the contact time of the cooling water and the heat exchange tubes 72, and improving the heat exchange efficiency.
The air guide mechanism 6 comprises a fixed frame 61 fixedly connected to the inner side of the tank body 1, a plurality of guide plates 62 which are equidistantly distributed along the length direction of the fixed frame 61 are rotatably connected to the inner side of the fixed frame 61, the guide plates 62 are of arc-shaped structures, the diameter of the guide plates 62 from the center position to the end part of the fixed frame 61 is gradually reduced, spur gears 63 are fixedly connected to the inner sides of the guide plates 62, a sliding rod 64 penetrating through the side wall of the tank body 1 is slidably connected to one side of the tank body 1, a toothed plate 65 is fixedly connected to one end of the sliding rod 64, the spur gears 63 are meshed with the toothed plate 65, and a linkage piece 66 which is used for driving the sliding rod 64 to slide in a reciprocating manner by matching with the rotation of the air suction impeller 5 is arranged at the other end of the sliding rod 64.
The air suction impeller 5 is driven to rotate by the motor 9, the linkage piece 66 drives the sliding rod 64 to slide in a reciprocating manner, the toothed plate 65 moves in a reciprocating manner, all the spur gears 63 rotate in a reciprocating manner, all the guide plates 62 swing in a reciprocating manner, so that sulfur dioxide is uniformly led into the heat exchange tubes 72 by the guide plates 62, the sulfur dioxide is uniformly distributed in the heat exchange tubes 72 and exchanges heat with cooling water, and the heat exchange efficiency is greatly improved.
One end of the toothed plate 65 is fixedly connected with a connecting plate 67, two ends of the bottom of the connecting plate 67 are fixedly connected with guide rods 68, and one end of the top of the fixing frame 61 is provided with a sliding groove 69 in clearance fit with the two guide rods 68.
The clearance fit design of the guide rod 68 and the chute 69 can ensure that the supporting force at the two ends of the toothed plate 65 is uniform, and ensure that the toothed plate 65 is kept stable in the moving process.
The linkage member 66 comprises a protective box 661 fixedly connected to the outer side of the tank body 1, a reciprocating screw rod 662 is rotatably connected to the inner side of the protective box 661, a sliding block 663 is connected to the reciprocating screw rod 662 in a threaded manner, a movable rod 664 penetrating through the bottom wall of the protective box 661 is fixedly connected to the bottom of the sliding block 663, a guide groove 665 in clearance fit with the movable rod 664 is formed in the bottom wall of the protective box 661, the bottom end of the movable rod 664 is fixedly connected with a sliding rod 64, a support 667 is fixedly connected to the bottom end of the inner side of the tank body 1, a mounting box 668 is fixedly connected to the inner side of the support 667, a first bevel gear 669 coaxially fixed to the suction impeller 5 is rotatably connected to the outer side of the mounting box 668, a second bevel gear 660 meshed with the first bevel gear 669 is fixedly connected to one end of the rotating shaft 666, and the other end of the rotating shaft 666 is fixedly connected to the end of the reciprocating screw rod 662.
Firstly, sulfur dioxide gas is led into the tank body 1 through the air inlet pipe 3, dust and impurities mixed in the sulfur dioxide can be filtered by the dust removing net plate 4, and meanwhile, the air suction impeller 5 is driven to rotate by the starting motor 9, so that the flow speed of the air inlet pipe 3 can be increased to improve the dust removing efficiency;
When the motor 9 drives the air suction impeller 5 to rotate, the first bevel gear 669 rotates synchronously, and because the first bevel gear 669 is meshed with the second bevel gear 660, the second bevel gear 660 rotates synchronously, the rotating shaft 664 drives the reciprocating screw rod 662 to rotate synchronously, the sliding block 663 reciprocates along the axis direction of the reciprocating screw rod 662, the movable rod 664 drives the sliding rod 64 to slide synchronously, the toothed plate 65 reciprocates, all the straight gears 63 rotate reciprocally, all the guide plates 62 swing reciprocally, the guide plates 62 guide sulfur dioxide into the heat exchange tubes 72 evenly, meanwhile, cooling water is guided into the cold water inlet tubes 73 through the cold water supply equipment, the cooling water contacts with the heat exchange tubes 72 and exchanges heat with sulfur dioxide gas evenly, heat exchange efficiency is greatly improved, and preheating utilization of sulfur dioxide is realized to save energy.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a sulfur dioxide removes dust and reduces temperature heat recovery jar which characterized in that includes:
a tank body (1);
the air inlet pipe (3) is fixedly connected to one end of the top of the tank body (1) and used for introducing sulfur dioxide;
The air outlet pipe (8) is fixedly connected to the bottom of the tank body (1);
The dust removing screen plate (4) is fixedly connected to the top end of the inner side of the tank body (1);
an air suction impeller (5) rotationally connected to the bottom of the dust removal screen plate (4);
a motor (9) fixedly arranged at the top of the tank body (1), and an output shaft of the motor (9) is fixedly connected with the air suction impeller (5);
The heat recovery device comprises a heat recovery mechanism (7) arranged at the bottom end of the inner side of a tank body (1), wherein the heat recovery mechanism (7) comprises two clapboards (71) which are arranged in parallel, the two clapboards (71) are fixedly connected to the inner side of the tank body (1), a plurality of heat exchange pipes (72) distributed in an array are fixedly connected between the two clapboards (71), the plurality of heat exchange pipes (72) penetrate through the two clapboards (71), one side of the tank body (1) is fixedly connected with a cold water inlet pipe (73), the other side of the tank body (1) is fixedly connected with a hot water outlet pipe (74), and the cold water inlet pipe (73) is communicated with the hot water outlet pipe (74) through the tank body (1);
And the air guide mechanism (6) is arranged below the air suction impeller (5) and is used for uniformly guiding sulfur dioxide into the heat exchange tubes (72) by matching with the rotation of the air suction impeller (5).
2. The sulfur dioxide dedusting and cooling heat recovery tank according to claim 1, wherein a plurality of baffle plates (75) which are distributed in a staggered manner along the vertical direction are arranged between the baffle plates (71), the baffle plates (75) are fixedly connected to the inner side of the tank body (1), and the baffle plates (75) form an S-shaped channel.
3. The sulfur dioxide dedusting and cooling heat recovery tank according to claim 2, wherein the cold water inlet pipe (73) is located above the hot water outlet pipe (74), the inlet end of the cold water inlet pipe (73) is externally connected with cold water supply equipment, and the outlet end of the hot water outlet pipe (74) is externally connected with hot water storage equipment.
4. The sulfur dioxide dedusting and cooling heat recovery tank according to claim 1, wherein a plurality of supporting legs (2) are fixedly connected to the outer edge of the bottom of the tank body (1), and the supporting legs (2) are distributed around the tank body (1) at equal angles.
5. The sulfur dioxide dust removal and heat reduction heat recovery tank according to claim 1, wherein the air guide mechanism (6) comprises a fixing frame (61) fixedly connected to the inner side of the tank body (1), a plurality of guide plates (62) which are distributed along the length direction of the fixing frame (61) in an equidistant mode are rotationally connected to the inner side of the fixing frame (61), a plurality of straight gears (63) are fixedly connected to the inner side of the guide plates (62), a sliding rod (64) penetrating through the side wall of the tank body (1) is connected to one side of the tank body (1) in a sliding mode, a toothed plate (65) is fixedly connected to one end of the sliding rod (64), a plurality of the straight gears (63) are meshed with the toothed plate (65), and a linkage piece (66) which is used for driving the sliding rod (64) to slide in a reciprocating mode through cooperation with rotation of an air suction impeller (5) is arranged at the other end of the sliding rod (64).
6. The sulfur dioxide dust removal and heat reduction heat recovery tank according to claim 5, wherein the plurality of guide plates (62) are arc-shaped structures, and the diameters of the guide plates (62) from the center position to the end part of the fixing frame (61) are gradually reduced.
7. The sulfur dioxide dust removal and heat reduction heat recovery tank according to claim 5, wherein one end of the toothed plate (65) is fixedly connected with a connecting plate (67), two ends of the bottom of the connecting plate (67) are fixedly connected with guide rods (68), one end of the top of the fixing frame (61) is provided with a sliding groove (69) which is in clearance fit with the two guide rods (68), a protective box (661), a reciprocating screw rod (662), a sliding block (663), a movable rod (664), a guide groove (665), a rotating shaft (666), a support (667), a mounting box (668), a first bevel gear (669) and a second bevel gear (660).
8. The sulfur dioxide dust removal and heat reduction heat recovery tank according to claim 5, wherein the linkage member (66) comprises a protective case (661) fixedly connected to the outer side of the tank body (1), a reciprocating screw rod (662) is connected to the inner side of the protective case (661) in a rotating mode, a sliding block (663) is connected to the reciprocating screw rod (662) in a threaded mode, a movable rod (664) penetrating through the bottom wall of the protective case (661) is fixedly connected to the bottom of the sliding block (663), a guide groove (665) in clearance fit with the movable rod (664) is formed in the bottom wall of the protective case (661), the bottom end of the movable rod (664) is fixedly connected with a sliding rod (64), a support (667) is fixedly connected to the bottom end of the inner side of the tank body (1), a mounting case (668) is fixedly connected to the inner side of the mounting case (668) in a coaxial fixed first bevel gear (669) with the impeller (5), a rotating shaft (666) penetrating through the side wall of the mounting case (668) is fixedly connected to the outer side of the mounting case (668), and the rotating shaft (666) is fixedly connected to the other end of the rotating shaft (666) of the air suction case (669).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202521233654.9U CN224071473U (en) | 2025-06-17 | 2025-06-17 | Sulfur dioxide dust removal heat recovery jar that falls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202521233654.9U CN224071473U (en) | 2025-06-17 | 2025-06-17 | Sulfur dioxide dust removal heat recovery jar that falls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN224071473U true CN224071473U (en) | 2026-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202521233654.9U Active CN224071473U (en) | 2025-06-17 | 2025-06-17 | Sulfur dioxide dust removal heat recovery jar that falls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN224071473U (en) |
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- 2025-06-17 CN CN202521233654.9U patent/CN224071473U/en active Active
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