CN118142309A - Flue gas purifying device - Google Patents
Flue gas purifying device Download PDFInfo
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- CN118142309A CN118142309A CN202410557931.5A CN202410557931A CN118142309A CN 118142309 A CN118142309 A CN 118142309A CN 202410557931 A CN202410557931 A CN 202410557931A CN 118142309 A CN118142309 A CN 118142309A
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- flue gas
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- pipe
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 239000003546 flue gas Substances 0.000 title claims abstract description 105
- 239000007788 liquid Substances 0.000 claims abstract description 195
- 238000002156 mixing Methods 0.000 claims abstract description 76
- 238000003860 storage Methods 0.000 claims abstract description 43
- 238000002347 injection Methods 0.000 claims abstract description 25
- 239000007924 injection Substances 0.000 claims abstract description 25
- 239000000779 smoke Substances 0.000 claims abstract description 21
- 238000000746 purification Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of flue gas purification, and in particular discloses a flue gas purification device, which comprises: the inner barrel is fixedly arranged in the tank body; the liquid storage tank is arranged in the inner cylinder and can rotate relative to the inner cylinder, a smoke air cavity is formed between the top of the liquid storage tank and the inner cylinder, a purifying cavity is formed between the bottom of the liquid storage tank and the inner cylinder, a liquid injection pipe is inserted into the top of the liquid storage tank, and the top end of the liquid injection pipe penetrates through the inner cylinder and is connected to the tank body in a rotating mode; according to the flue gas purifying device, the flue gas is pumped into the gas-liquid mixing cylinder to be mixed with the purifying liquid, and in each gas-liquid mixing, the flue gas and the purifying liquid in the gas-liquid mixing cylinder can approach to quantitative determination, so that the flue gas and the purifying liquid can be effectively mixed, harmful substances and particulate matters in the flue gas can be more fully washed and purified, and waste caused by excessive investment of the purifying liquid can be avoided.
Description
Technical Field
The invention relates to the technical field of flue gas purification, in particular to a flue gas purification device.
Background
The electric furnace is a heating furnace for converting electric energy in the furnace into heat to heat a workpiece, and can be widely applied to industrial production, such as a resistance furnace, an induction furnace, an electric arc furnace, a plasma furnace, an electron beam furnace and the like, but the electric furnace usually needs to carry out emission after the smoke is subjected to purification treatment in use, and most of smoke treatment usually adopts an electrostatic treatment technology to purify toxic and harmful substances and dust particles in the smoke so that the smoke can reach emission standards;
Before the electrostatic dust removal treatment is performed on the flue gas, the flue gas needs to be pretreated through the purifying liquid in advance to reduce the content of harmful substances and dust particles in the flue gas, but the existing flue gas pretreatment usually adopts a spraying mode of the purifying liquid, so that the purifying liquid is usually directly discharged after spraying in order to ensure good flue gas purifying performance, the spraying area of the purifying liquid is usually larger in order to cover all corners in the equipment, and the distribution concentration difference of all areas after the flue gas enters the equipment is different, so that the area purifying liquid with lower flue gas concentration can not be fully mixed with the flue gas and is discharged, the utilization rate of the purifying liquid is lower, a large amount of purifying liquid can not be fully mixed with the flue gas, waste is serious, and the cost of flue gas purification is increased.
Disclosure of Invention
The invention provides a flue gas purifying device, which aims to solve the problems that the utilization rate of purifying liquid is low, a large amount of purifying liquid cannot be fully mixed with flue gas and waste is serious in the related art.
The flue gas purifying device of the present invention comprises:
The inner barrel is fixedly arranged in the tank body;
the liquid storage tank is arranged in the inner cylinder and can rotate relative to the inner cylinder, a smoke air cavity is formed between the top of the liquid storage tank and the inner cylinder, a purifying cavity is formed between the bottom of the liquid storage tank and the inner cylinder, a liquid injection pipe is inserted into the top of the liquid storage tank, and the top end of the liquid injection pipe penetrates through the inner cylinder and is connected to the tank body in a rotating mode;
the smoke pipe is arranged in the tank body and is used for conveying smoke in the smoke cavity;
the gas-liquid mixing cylinders are annularly and uniformly distributed at the bottom of the liquid storage tank and are respectively communicated with the liquid storage tank and the flue gas cavity, a first one-way valve is arranged on the side wall of the gas-liquid mixing cylinder, one end of the first one-way valve, which is far away from the gas-liquid mixing cylinder, is provided with a communicating pipe, the top end of the communicating pipe is communicated with the flue gas cavity, a second one-way valve is arranged at the bottom of the gas-liquid mixing cylinder, and a spray head is arranged at one end of the second one-way valve, which is far away from the gas-liquid mixing cylinder;
The piston piece is arranged inside the gas-liquid mixing cylinder and comprises a lower plug body which is connected in the gas-liquid mixing cylinder in a sliding mode, a cavity is formed in the lower plug body, a leak hole which is communicated with the cavity is formed in the bottom of the lower plug body, an upper plug body is arranged at the top of the lower plug body, and the bottom end of the upper plug body is inserted into the cavity.
Preferably, the lower plug body is fixedly provided with a vertical shaft, the upper plug body is fixedly provided with a side plate, the side plate is slidably connected to the vertical shaft, the top end of the vertical shaft is fixedly provided with a mounting plate, a spring is arranged between the mounting plate and the side plate, the spring is in a compressed state, and the inside of the gas-liquid mixing cylinder is fixedly provided with a cross plate matched with the mounting plate.
Preferably, the gas-liquid mixing cylinder is internally provided with a pushing component for pushing the upper plug body to lift in the gas-liquid mixing cylinder, the pushing component comprises a thread bush fixedly arranged in the upper plug body, the internal thread of the thread bush is connected with a screw rod, the bottom end of the screw rod is rotationally connected to the bottom of the gas-liquid mixing cylinder, the top end of the screw rod sequentially penetrates through the cross plate and the liquid storage tank and extends to the inside of the flue gas cavity, and the screw rod is rotationally connected with the cross plate and the liquid storage tank.
Preferably, a driving mechanism is arranged on one side of the liquid injection pipe and used for driving the liquid injection pipe and the liquid storage tank to rotate in the tank body, then driving the gas-liquid mixing cylinder to move, and a transmission assembly is arranged between the inner cylinder and the screw rod and used for driving the screw rod to rotate when the gas-liquid mixing cylinder moves.
Preferably, the driving mechanism comprises a motor fixedly installed at the top of the tank body, belt pulleys are fixedly installed at the output end of the motor and the outside of the liquid injection pipe, and a transmission belt is arranged between the two belt pulleys.
Preferably, the transmission assembly comprises a gear fixedly mounted at the end part of the screw rod, an inner arc rack and an outer arc rack are fixedly mounted on the inner cylinder, the inner arc rack and the outer arc rack are arranged in a staggered mode, and the inner arc rack and the outer arc rack can be meshed with the gear in the movement of the gas-liquid mixing cylinder.
Preferably, the flue gas pipe is including the intake pipe of grafting at jar body lateral wall, the tip of intake pipe is provided with the ring pipe that is located jar internal, be provided with helical heat exchange tube on the ring pipe, the top fixed mounting of heat exchange tube has the outlet duct, the top of inner tube is rotated and is connected with the circular plate, and circular plate fixed mounting is outside annotating the liquid pipe.
Preferably, a heat exchange cavity is formed between the tank body and the inner cylinder, the annular tube and the heat exchange tube are both positioned in the heat exchange cavity, the top of the tank body is inserted with an upper through tube, the bottom of the tank body is inserted with a lower through tube, and the lower through tube is communicated with the heat exchange cavity.
Preferably, the annular tube comprises a lower tube body fixedly installed inside the tank body, the cross section of the lower tube body is U-shaped, an upper sealing cover is arranged in the lower tube body, the upper sealing cover can rotate relative to the lower tube body, and the heat exchange tube is inserted into the upper sealing cover.
Preferably, the exhaust pipe is inserted on the side wall of the tank body, the input end of the exhaust pipe penetrates through the inner cylinder and is communicated with the purifying cavity, the output end of the exhaust pipe is provided with an induced draft fan, and an activated carbon adsorption layer and a drying layer are arranged in the exhaust pipe.
The beneficial effects are that:
1. When the gas-liquid mixing device is used, the flue gas is pumped into the gas-liquid mixing cylinder to be mixed with the purifying liquid, so that the flue gas and the purifying liquid in the gas-liquid mixing cylinder can approach to quantitative amount in each gas-liquid mixing, the flue gas and the purifying liquid can be effectively mixed, harmful substances and particulate matters in the flue gas can be more fully washed and purified, waste caused by excessive investment of the purifying liquid can be avoided, and after the gas-liquid mixing, the flue gas and the purifying liquid are sprayed out through the spray head together, so that the purifying liquid can be further contacted with the flue gas in the purifying cavity, the flue gas can be more fully washed and purified, the utilization rate of the purifying liquid can be effectively improved, and the use effect of the purifying liquid can be enhanced.
2. When the heat exchange device is used, heat in the flue gas can be utilized in the flue gas transportation through the spiral heat exchange tube, and the heat exchange tube rotates in the heat exchange cavity, so that the heat of a heat exchange solution can be heated more uniformly, the heat in the flue gas can be more fully dispersed, and the waste heat utilization effect on high-temperature flue gas is improved.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front cross-sectional view of the present invention.
Fig. 3 is an enlarged schematic view of the structure of fig. 2a according to the present invention.
Fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present invention.
FIG. 5 is a schematic view of the internal bottom structure of the inner barrel of the present invention.
Fig. 6 is a perspective exploded view of the lower plug body and the upper plug body of the present invention.
Fig. 7 is a perspective view of the gas-liquid mixing cylinder of the present invention.
Reference numerals:
10. A tank body; 11. an inner cylinder; 111. a circular plate; 12. a heat exchange cavity; 13. a top through pipe; 14. a lower through pipe; 15. a connector; 16. a water inlet pipe; 17. a water outlet pipe; 18. an exhaust pipe; 181. an activated carbon adsorption layer; 182. drying the layer; 19. an induced draft fan; 20. a liquid storage tank; 21. a smoke cavity; 22. a purification chamber; 23. a liquid injection pipe; 30. a flue pipe; 31. an air inlet pipe; 32. a ring tube; 321. a lower pipe body; 322. an upper cover; 33. a heat exchange tube; 34. an air outlet pipe; 40. a gas-liquid mixing cylinder; 41. a first one-way valve; 42. a communicating pipe; 43. a second one-way valve; 44. a spray head; 45. a cross plate; 50. a piston member; 51. a lower plug body; 511. a vertical axis; 512. a mounting plate; 513. a spring; 52. a cavity; 53. a leak hole; 54. an upper plug body; 541. a side plate; 60. a pushing assembly; 61. a thread sleeve; 62. a screw rod; 70. a driving mechanism; 71. a motor; 72. a belt pulley; 73. a transmission belt; 80. a transmission assembly; 81. a gear; 82. an inner arc rack; 83. an outer arc rack.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 7, the flue gas purifying device of the present invention includes a tank body 10, a liquid storage tank 20, a flue gas pipe 30 and a plurality of gas-liquid mixing drums 40, the inner cylinder 11 is fixedly installed in the tank body 10, the liquid storage tank 20 is disposed in the middle of the inner cylinder 11 and is used for storing purifying liquid, the liquid storage tank 20 can rotate relative to the inner cylinder 11, a flue gas cavity 21 is formed between the top of the liquid storage tank 20 and the inner cylinder 11 and is used for buffering flue gas, the flue gas pipe 30 is located in the tank body 10 and is used for conveying flue gas into the flue gas cavity 21, a purifying cavity 22 is formed between the bottom of the liquid storage tank 20 and the inner cylinder 11 and is used for spraying purifying liquid to the flue gas, absorbing harmful substances and particulate matters in the flue gas, the top of the liquid storage tank 20 is inserted with a liquid injection pipe 23, the top of the liquid storage tank 20 penetrates through the inner cylinder 11 and is rotatably connected to the tank body 10, the purifying liquid is used for injecting the purifying liquid into the interior of the liquid storage tank 20, the plurality of gas-liquid mixing drums 40 are annularly arranged at the bottom of the tank 20, and the gas-liquid mixing drums 40 are respectively communicated with the liquid storage tank 20 and the flue gas cavity 21 and are used for purifying the flue gas and mixing liquid with the flue gas cavity 22, and can be further mixed with the flue gas to be sprayed into the flue gas for purifying and purified.
Referring to fig. 2 and 7, the top end of the gas-liquid mixing cylinder 40 is open and is communicated with the liquid storage cylinder 20, so that the purified liquid in the liquid storage cylinder 20 can enter the gas-liquid mixing cylinder 40, a first one-way valve 41 is arranged on the side wall of the gas-liquid mixing cylinder 40, one end of the first one-way valve 41 far away from the gas-liquid mixing cylinder 40 is provided with a communicating pipe 42, and the top end of the communicating pipe 42 penetrates through the liquid storage cylinder 20 and is communicated with the flue gas cavity 21, so that the flue gas in the flue gas cavity 21 can enter the gas-liquid mixing cylinder 40 from the communicating pipe 42 and the first one-way valve 41 when needed, a second one-way valve 43 is arranged at the bottom of the gas-liquid mixing cylinder 40, and a spray head 44 is arranged at one end of the second one-way valve 43 far away from the gas-liquid mixing cylinder 40, after the flue gas and the purified liquid are mixed, the mixed flue gas purified liquid can be sprayed into the purifying cavity 22 by the second one-way valve 43 and the spray head 44, and the flue gas in the purifying cavity 22 can be purified secondarily by the purified gas in the purifying cavity 22.
Referring to fig. 2, 3 and 6, a piston member 50 is disposed in the gas-liquid mixing cylinder 40, the piston member 50 includes a lower plug body 51 slidably connected in the gas-liquid mixing cylinder 40, a cavity 52 is formed in the lower plug body 51, a leak hole 53 communicated with the cavity 52 is formed in the bottom of the lower plug body 51, an upper plug body 54 is disposed at the top of the lower plug body 51, and the bottom end of the upper plug body 54 is inserted in the cavity 52;
The upper plug body 54 is inserted into the cavity 52 to form a seal between the upper plug body 54 and the lower plug body 51, so that when the piston member 50 rises, the gas-liquid mixing cylinder 40 can be pumped into negative pressure, the first one-way valve 41 is opened, flue gas in the flue gas cavity 21 is pumped into the gas-liquid mixing cylinder 40 by the communicating pipe 42, when the piston member 50 rises to the top end of the gas-liquid mixing cylinder 40, the upper plug body 54 is separated from the lower plug body 51, the upper plug body 54 is separated from the cavity 52, the seal between the upper plug body 54 and the lower plug body 51 is released, the cleaning liquid can enter the cavity 52, flows into the lower plug body 51 from the leak hole 53, is mixed with flue gas in the gas-liquid mixing cylinder 40, then the piston member 50 is lowered, the upper plug body 54 is inserted into the cavity 52 again to form a seal with the lower plug body 51, and then the piston member 50 is lowered to press the mixed flue gas and the cleaning liquid into the second one-way valve 43, the second one-way valve 43 is opened, the flue gas and the cleaning liquid are sprayed into the cavity 22 by the spray head 44, and the flue gas cleaning liquid is sprayed into the cavity 22 again, and the flue gas cleaning effect is improved.
Referring to fig. 2, 3, 6 and 7, a vertical shaft 511 is fixedly installed on the lower plug body 51, a side plate 541 is fixedly installed on the upper plug body 54, the side plate 541 is slidably connected to the vertical shaft 511, a mounting plate 512 is fixedly installed at the top end of the vertical shaft 511, a spring 513 is arranged between the mounting plate 512 and the side plate 541, the spring 513 is in a compressed state, downward pressure is applied to the side plate 541 through the spring 513, so that the upper plug body 54 can be firmly inserted into the cavity 52 and is not easy to disengage, a cross plate 45 matched with the mounting plate 512 is fixedly installed inside the gas-liquid mixing drum 40, so that the piston member 50 is in the lifting process, the cross plate 45 can block the mounting plate 512, the lower plug body 51 cannot be continuously lifted, the upper plug body 54 continuously lifts the side plate 541 in the vertical shaft 511 and compresses the spring 513, the upper plug body 54 is finally disengaged from the cavity 52, the sealing between the upper plug body 54 and the lower plug body 51 is released, and the purifying liquid can enter the cavity 52.
In order to limit the rotation of the upper plug body 54, a vertical groove is formed in the gas-liquid mixing drum 40, a limiting plate is fixedly mounted on the side plate 541, and is slidably connected in the vertical groove (not shown in the figure), and the side plate 541 is limited by sliding along the vertical groove through the limiting plate, so that the upper plug body 54 can only move up and down and cannot rotate.
Referring to fig. 2 and 3, a pushing component 60 is disposed in the gas-liquid mixing cylinder 40 and is used for pushing the upper plug body 54 to lift in the gas-liquid mixing cylinder 40, the pushing component 60 comprises a threaded sleeve 61 fixedly installed in the upper plug body 54, a screw 62 is connected to the threaded sleeve 61 in an internal threaded manner, the bottom end of the screw 62 is rotationally connected to the bottom of the gas-liquid mixing cylinder 40, the top end of the screw 62 sequentially penetrates through the cross plate 45 and the liquid storage tank 20 and extends into the flue gas cavity 21, the screw 62 is rotationally connected with the cross plate 45 and the liquid storage tank 20, and the screw 62 rotates to push the threaded sleeve 61 to lift so as to drive the upper plug body 54 to vertically slide in the gas-liquid mixing cylinder 40.
Referring to fig. 2, a driving mechanism 70 is disposed at one side of the liquid injection tube 23, for driving the liquid injection tube 23 to rotate in the tank 10, the driving mechanism 70 includes a motor 71 fixedly mounted at the top of the tank 10, a belt pulley 72 is fixedly mounted at the output end of the motor 71 and the outside of the liquid injection tube 23, a driving belt 73 is disposed between the two belt pulleys 72, the motor 71 drives the belt pulley 72 at the output end to rotate, the driving belt 73 drives the other belt pulley 72 to rotate, and then drives the liquid injection tube 23 and the liquid storage tank 20 to rotate, so as to drive the gas-liquid mixing drum 40 to move in the purifying cavity 22.
Referring to fig. 2 and 5, a transmission assembly 80 is disposed between the inner cylinder 11 and the screw rod 62, and is used for driving the screw rod 62 to rotate when the gas-liquid mixing cylinder 40 moves, the transmission assembly 80 includes a gear 81 fixedly mounted at the end of the screw rod 62, an inner arc rack 82 and an outer arc rack 83 are fixedly mounted on the inner cylinder 11, the inner arc rack 82 and the outer arc rack 83 are arranged in a staggered manner, and the inner arc rack 82 and the outer arc rack 83 can both be meshed with the gear 81 in the movement of the gas-liquid mixing cylinder 40, so that the gear 81 is pushed to rotate together with the screw rod 62, and the height of the piston member 50 is adjusted.
Referring to fig. 2, the flue gas pipe 30 includes an air inlet pipe 31 inserted into a side wall of the tank 10, an annular pipe 32 positioned in the tank 10 is arranged at an end of the air inlet pipe 31, a spiral heat exchange pipe 33 is arranged on the annular pipe 32, an air outlet pipe 34 is fixedly installed at the top end of the heat exchange pipe 33, a circular plate 111 is rotatably connected to the top of the inner cylinder 11, the circular plate 111 is fixedly installed outside the liquid injection pipe 23, one end, far away from the heat exchange pipe 33, of the air outlet pipe 34 is inserted into the circular plate 111 and communicated with the flue gas cavity 21, flue gas enters the annular pipe 32 from the air inlet pipe 31, and is conveyed into the flue gas cavity 21 through the heat exchange pipe 33 and the air outlet pipe 34 so as to facilitate subsequent flue gas purification.
Referring to fig. 2, a heat exchange cavity 12 is formed between a tank body 10 and an inner cylinder 11, an annular pipe 32 and a heat exchange pipe 33 are both positioned inside the heat exchange cavity 12, an upper through pipe 13 is inserted at the top of the tank body 10, a lower through pipe 14 is inserted at the bottom of the tank body 10, the lower through pipe 14 is communicated with the heat exchange cavity 12, a heat exchange solution is injected into the heat exchange cavity 12 through the upper through pipe 13, heat in flue gas is replaced by the heat exchange pipe 33 to enter the heat exchange solution, and the heat exchange solution is discharged by the lower through pipe 14, so that waste heat utilization of high-temperature flue gas is facilitated.
Referring to fig. 2 and 4, the annular tube 32 includes a lower tube body 321 fixedly installed inside the tank body 10, the cross section of the lower tube body 321 is in a U shape, an upper sealing cover 322 is provided in the lower tube body 321, the upper sealing cover 322 can rotate relative to the lower tube body 321, and the heat exchange tube 33 is inserted into the upper sealing cover 322, so that when the liquid injection tube 23 rotates, the air outlet tube 34 and the heat exchange tube 33 can be driven to move by the circular plate 111, the heat exchange tube 33 rotates around the inner tube 11 in the heat exchange cavity 12, and then the heat exchange solution in the heat exchange cavity 12 is uniformly heated, and a sealing ring is provided between the upper sealing cover 322 and the lower tube body 321 to improve the tightness between the upper sealing cover 322 and the lower tube body 321.
Referring to fig. 2, a connector 15 is fixedly installed at the top of the tank body 10, the top end of a liquid injection pipe 23 is rotatably connected in the connector 15, a water inlet pipe 16 is inserted in the connector 15, a water outlet pipe 17 communicated with a purifying cavity 22 is inserted in the bottom of the tank body 10, the water inlet pipe 16 is communicated with the liquid injection pipe 23 through the connector 15, so that purified liquid is conveniently supplemented in the liquid storage tank 20, and the purified liquid in the purifying cavity 22 can be discharged through the water outlet pipe 17.
Referring to fig. 2, an exhaust pipe 18 is inserted into the side wall of the tank body 10, an input end of the exhaust pipe 18 penetrates through the inner cylinder 11 and is communicated with the purifying cavity 22, an induced draft fan 19 is arranged at an output end of the exhaust pipe 18, smoke purified in the purifying cavity 22 can be led out of the exhaust pipe 18 through the induced draft fan 19, an activated carbon adsorption layer 181 and a drying layer 182 are arranged in the exhaust pipe 18, the exhausted smoke can be further filtered and purified through the activated carbon adsorption layer 181, and moisture in the smoke is absorbed by the drying layer 182.
Working principle: the flue gas is conveyed to a heat exchange tube 33 through an air inlet tube 31 and an annular tube 32, heat exchange solution is injected into the heat exchange cavity 12 through an upper through tube 13, heat in the flue gas is absorbed and utilized, then the flue gas enters the interior of a flue gas cavity 21 through an air outlet tube 34 for temporary storage, and then purified liquid is injected into a liquid storage tank 20 through a liquid injection tube 23;
The belt pulley 72 at the output end of the gas-liquid mixing cylinder is driven to rotate by the motor 71, the other belt pulley 72 is driven to rotate by the transmission belt 73, the liquid injection pipe 23 and the liquid storage tank 20 are driven to rotate, the gas-liquid mixing cylinder 40 is driven to move in the purifying cavity 22, the inner arc rack 82 is firstly meshed with the gear 81 in the moving process, the gear 81 is driven to rotate with the lead screw 62, the lead screw 62 can drive the threaded sleeve 61 to lift, the upper plug body 54 and the lower plug body 51 are driven to lift in the gas-liquid mixing cylinder 40, at the moment, the upper plug body 54 and the lower plug body 51 are in a sealing state, the gas-liquid mixing cylinder 40 is pumped into negative pressure in the lifting process, the first one-way valve 41 is opened, and flue gas in the flue gas cavity 21 is pumped into the gas-liquid mixing cylinder 40 through the communicating pipe 42 for filling the flue gas;
Along with the continuous rising of the upper plug body 54 and the lower plug body 51, the cross plate 45 blocks the mounting plate 512, so that the lower plug body 51 cannot be continuously raised, the upper plug body 54 is continuously raised, the side plate 541 is driven to slide on the vertical shaft 511 to compress the spring 513, so that the upper plug body 54 is finally separated from the cavity 52, the sealing between the upper plug body 54 and the lower plug body 51 is released, the purifying liquid can enter the cavity 52 and flow into the lower part of the lower plug body 51 through the leak hole 53, the negative pressure in the gas-liquid mixing cylinder 40 disappears, the first one-way valve 41 is closed to stop the continuous input of the flue gas, and then the purifying liquid is mixed with the flue gas in the gas-liquid mixing cylinder 40 to primarily absorb some particulate matters and harmful matters of the purified flue gas;
During the continuous movement of the gas-liquid mixing drum 40, the gear 81 is separated from the inner arc rack 82 to stop rotating, then the outer arc rack 83 is meshed with the moving gear 81, the gear 81 and the screw rod 62 are pushed to reversely rotate, the threaded sleeve 61 drives the upper plug body 54 to descend, the upper plug body 54 is inserted into the cavity 52 again under the reset action of the spring 513 to form a seal with the lower plug body 51, and then the upper plug body 54 and the lower plug body 51 are lowered to press the smoke and the purifying liquid into the second one-way valve 43, so that the second one-way valve 43 is opened, the smoke and the purifying liquid are sprayed into the purifying cavity 22 by the spray head 44, and the sprayed purifying liquid is used for purifying the smoke in the purifying cavity 22 again;
the purified liquid is discharged from the water outlet pipe 17, and the flue gas is led out from the induced draft fan 19 for discharge after further filtration and purification by the activated carbon adsorption layer 181 and the drying layer 182 in the exhaust pipe 18.
In the invention, the flue gas is pumped into the gas-liquid mixing cylinder 40 to be mixed with the purifying liquid, so that the flue gas and the purifying liquid in the gas-liquid mixing cylinder 40 can approach to quantitative amount in each gas-liquid mixing, the flue gas and the purifying liquid can be effectively mixed, harmful substances and particulate matters in the flue gas can be more fully washed and purified, and waste caused by excessive investment of the purifying liquid can be avoided;
after the gas and the liquid are mixed, the flue gas and the purifying liquid are sprayed out together by the spray head 44, so that the purifying liquid can be further contacted with the flue gas in the purifying cavity 22, the flue gas is more sufficiently washed and purified, the utilization rate of the purifying liquid is effectively improved, and the use effect of the purifying liquid is enhanced.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (10)
1. A flue gas cleaning device, characterized by comprising:
the novel energy-saving tank comprises a tank body (10), wherein an inner cylinder (11) is fixedly arranged in the tank body (10);
The liquid storage tank (20) is arranged in the inner cylinder (11), the liquid storage tank (20) can rotate relative to the inner cylinder (11), a flue gas cavity (21) is formed between the top of the liquid storage tank (20) and the inner cylinder (11), a purifying cavity (22) is formed between the bottom of the liquid storage tank (20) and the inner cylinder (11), a liquid injection pipe (23) is inserted into the top of the liquid storage tank (20), and the top end of the liquid injection pipe (23) penetrates through the inner cylinder (11) and is rotationally connected to the tank body (10);
The smoke pipe (30) is arranged in the tank body (10) and is used for conveying smoke in the smoke cavity (21);
The gas-liquid mixing drums (40) are annularly and uniformly distributed at the bottom of the liquid storage tank (20), the gas-liquid mixing drums (40) are respectively communicated with the liquid storage tank (20) and the smoke cavity (21), a first one-way valve (41) is arranged on the side wall of the gas-liquid mixing drum (40), one end, far away from the gas-liquid mixing drum (40), of the first one-way valve (41) is provided with a communicating pipe (42), the top end of the communicating pipe (42) is communicated with the smoke cavity (21), a second one-way valve (43) is arranged at the bottom of the gas-liquid mixing drum (40), and one end, far away from the gas-liquid mixing drum (40), of the second one-way valve (43) is provided with a spray head (44);
the piston piece (50) is arranged inside the gas-liquid mixing cylinder (40), the piston piece (50) comprises a lower plug body (51) which is connected in the gas-liquid mixing cylinder (40) in a sliding mode, a cavity (52) is formed in the lower plug body (51), a leak (53) which is communicated with the cavity (52) is formed in the bottom of the lower plug body (51), an upper plug body (54) is arranged at the top of the lower plug body (51), and the bottom end of the upper plug body (54) is inserted into the cavity (52).
2. The flue gas purification device according to claim 1, wherein a vertical shaft (511) is fixedly installed on the lower plug body (51), a side plate (541) is fixedly installed on the upper plug body (54), the side plate (541) is slidably connected to the vertical shaft (511), a mounting plate (512) is fixedly installed at the top end of the vertical shaft (511), a spring (513) is arranged between the mounting plate (512) and the side plate (541), the spring (513) is in a compressed state, and a cross plate (45) matched with the mounting plate (512) is fixedly installed inside the gas-liquid mixing cylinder (40).
3. The flue gas purification device according to claim 2, wherein a pushing component (60) is arranged in the gas-liquid mixing cylinder (40) and used for pushing the upper plug body (54) to lift in the gas-liquid mixing cylinder (40), the pushing component (60) comprises a threaded sleeve (61) fixedly arranged in the upper plug body (54), a screw rod (62) is connected to the threaded sleeve (61) in an internal threaded manner, the bottom end of the screw rod (62) is rotationally connected to the bottom of the gas-liquid mixing cylinder (40), the top end of the screw rod (62) sequentially penetrates through the cross plate (45) and the liquid storage tank (20) and extends into the flue gas cavity (21), and the screw rod (62) is rotationally connected to the cross plate (45) and the liquid storage tank (20).
4. A flue gas cleaning device according to claim 3, wherein a driving mechanism (70) is arranged at one side of the liquid injection pipe (23) and is used for driving the liquid injection pipe (23) and the liquid storage tank (20) to rotate in the tank body (10), so as to drive the gas-liquid mixing cylinder (40) to move, and a transmission assembly (80) is arranged between the inner cylinder (11) and the screw rod (62) and is used for driving the screw rod (62) to rotate when the gas-liquid mixing cylinder (40) moves.
5. The flue gas purification device according to claim 4, wherein the driving mechanism (70) comprises a motor (71) fixedly installed at the top of the tank body (10), belt pulleys (72) are fixedly installed at the output end of the motor (71) and the outside of the liquid injection pipe (23), and a transmission belt (73) is arranged between the two belt pulleys (72).
6. The flue gas cleaning device according to claim 4, wherein the transmission assembly (80) comprises a gear (81) fixedly mounted at the end of the screw rod (62), an inner arc rack (82) and an outer arc rack (83) are fixedly mounted on the inner cylinder (11), the inner arc rack (82) and the outer arc rack (83) are arranged in a staggered manner, and the inner arc rack (82) and the outer arc rack (83) can be meshed with the gear (81) in the movement of the gas-liquid mixing cylinder (40).
7. The flue gas purification device according to any one of claims 1 to 6, wherein the flue gas pipe (30) comprises an air inlet pipe (31) inserted into the side wall of the tank body (10), an annular pipe (32) positioned in the tank body (10) is arranged at the end part of the air inlet pipe (31), a spiral heat exchange pipe (33) is arranged on the annular pipe (32), an air outlet pipe (34) is fixedly arranged at the top end of the heat exchange pipe (33), a circular plate (111) is rotatably connected to the top of the inner cylinder (11), and the circular plate (111) is fixedly arranged outside the liquid injection pipe (23).
8. The flue gas purification device according to claim 7, wherein a heat exchange cavity (12) is formed between the tank body (10) and the inner cylinder (11), the annular tube (32) and the heat exchange tube (33) are both positioned inside the heat exchange cavity (12), an upper through tube (13) is inserted at the top of the tank body (10), a lower through tube (14) is inserted at the bottom of the tank body (10), and the lower through tube (14) is communicated with the heat exchange cavity (12).
9. The flue gas cleaning device according to claim 8, wherein the annular tube (32) comprises a lower tube body (321) fixedly installed inside the tank body (10), the cross section of the lower tube body (321) is U-shaped, an upper sealing cover (322) is arranged in the lower tube body (321), the upper sealing cover (322) can rotate relative to the lower tube body (321), and the heat exchange tube (33) is inserted into the upper sealing cover (322).
10. The flue gas purification device according to any one of claims 1 to 6, wherein an exhaust pipe (18) is inserted on the side wall of the tank body (10), the input end of the exhaust pipe (18) penetrates through the inner cylinder (11) and is communicated with the purification cavity (22), an induced draft fan (19) is arranged at the output end of the exhaust pipe (18), and an activated carbon adsorption layer (181) and a drying layer (182) are arranged in the exhaust pipe (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410557931.5A CN118142309A (en) | 2024-05-08 | 2024-05-08 | Flue gas purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410557931.5A CN118142309A (en) | 2024-05-08 | 2024-05-08 | Flue gas purifying device |
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| Publication Number | Publication Date |
|---|---|
| CN118142309A true CN118142309A (en) | 2024-06-07 |
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ID=91291950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410557931.5A Pending CN118142309A (en) | 2024-05-08 | 2024-05-08 | Flue gas purifying device |
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| Country | Link |
|---|---|
| CN (1) | CN118142309A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207546190U (en) * | 2017-09-28 | 2018-06-29 | 苏州百硕自动化环保设备有限公司 | A kind of automatic flue gas purifying device |
| CN214809654U (en) * | 2021-06-29 | 2021-11-23 | 苏州梅赛斯环保科技有限公司 | Formaldehyde removing device |
| CN215027570U (en) * | 2021-01-11 | 2021-12-07 | 宁夏宇成蓝天环保输送设备有限公司 | SNCR and SCR combined denitration device for carbonization furnace |
-
2024
- 2024-05-08 CN CN202410557931.5A patent/CN118142309A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207546190U (en) * | 2017-09-28 | 2018-06-29 | 苏州百硕自动化环保设备有限公司 | A kind of automatic flue gas purifying device |
| CN215027570U (en) * | 2021-01-11 | 2021-12-07 | 宁夏宇成蓝天环保输送设备有限公司 | SNCR and SCR combined denitration device for carbonization furnace |
| CN214809654U (en) * | 2021-06-29 | 2021-11-23 | 苏州梅赛斯环保科技有限公司 | Formaldehyde removing device |
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