CN110394041B - Device and method for removing white smoke from desulfurization flue gas in ultralow emission mode - Google Patents
Device and method for removing white smoke from desulfurization flue gas in ultralow emission mode Download PDFInfo
- Publication number
- CN110394041B CN110394041B CN201910759477.0A CN201910759477A CN110394041B CN 110394041 B CN110394041 B CN 110394041B CN 201910759477 A CN201910759477 A CN 201910759477A CN 110394041 B CN110394041 B CN 110394041B
- Authority
- CN
- China
- Prior art keywords
- flue gas
- desulfurization
- desulfurizing
- tank
- smoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 122
- 230000023556 desulfurization Effects 0.000 title claims abstract description 122
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 239000003546 flue gas Substances 0.000 title claims abstract description 96
- 239000000779 smoke Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 69
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 239000007789 gas Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims abstract description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 27
- 239000011593 sulfur Substances 0.000 claims description 27
- 229910052717 sulfur Inorganic materials 0.000 claims description 27
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000012806 monitoring device Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 3
- 239000011550 stock solution Substances 0.000 claims description 2
- 235000019504 cigarettes Nutrition 0.000 claims 3
- 230000002087 whitening effect Effects 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 10
- 230000006872 improvement Effects 0.000 description 7
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a device for desulfurizing flue gas and ultra-low-emission white smoke, which has the advantages of simple structure, low production cost and convenient maintenance and improves the utilization rate of equipment, and the device comprises a plurality of desulfurizing towers, wherein the desulfurizing towers are mutually connected in parallel, a plurality of desulfurizing devices are sequentially arranged on the desulfurizing towers in a stacking way from bottom to top, a water pump is arranged on the desulfurizing towers and can pump out desulfurizing liquid in a liquid storage tank, the desulfurizing liquid flows through a flue gas channel and flows back into the liquid storage tank, and a gas pipe is arranged on the desulfurizing towers and is communicated with the liquid storage tank; the method of the device for removing white smoke based on the ultralow emission of the desulfurized flue gas comprises the steps of 1, selecting proper number of desulfurizing towers and the number of layers of the desulfurizing devices; 2. intelligent regulation and control of the called desulfurizing tower; 3. starting the desulfurization equipment; 4. checking and disassembling the desulfurizing tank; 5. replacing the desulfurizing tank; 6. mounting the cleaned desulfurizing tank; 7. restarting the desulfurizing tower.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a device and a method for desulfurizing flue gas and removing white smoke with ultralow emission.
Background
Flue gas desulfurization refers to the removal of sulfur oxides (SO 2 and SO 3) from flue gas or other industrial waste gases. When a factory with flue gas desulfurization needs is built, a desulfurization tower needs to be built to meet the national emission standard requirements, the existing desulfurization tower is usually customized according to the production scale and the flue gas discharge scale of the factory, the construction period is long, and the desulfurization tower is difficult to adjust when the production scale of the later-stage factory is adjusted. The design cost of the customized desulfurizing tower is high, the construction cost is high, and the flow line production is difficult.
The existing gypsum desulfurization method is easy to generate scaling in the desulfurization tower in the desulfurization process, the scaling can reduce the desulfurization efficiency, corrode the desulfurization tower, block the flue gas channel under severe conditions, only stop the desulfurization tower when the scaling is required to be cleaned, and thoroughly clean the interior of the desulfurization tower, so that a factory also has to be stopped under the condition, and huge economic loss is caused.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides the device and the method for removing white smoke from the desulfurization flue gas with ultralow emission, which have the advantages of simple structure, low production cost, convenient maintenance and improved equipment utilization rate.
In order to achieve the technical problems, the device for removing white smoke by ultralow emission of desulfurization flue gas comprises a plurality of desulfurization towers, wherein the desulfurization towers are arranged in parallel, the upper end and the lower end of each desulfurization tower are respectively provided with a smoke inlet pipe and a smoke outlet pipe, a flue gas channel is arranged in each desulfurization tower, the flue gas channels are communicated with the smoke inlet pipe and the smoke outlet pipe, the flue gas channels are sequentially provided with a plurality of desulfurization devices in a stacked mode from bottom to top, the desulfurization devices are communicated with the flue gas channels, the flue gas to be removed is discharged from the smoke outlet pipe after passing through the desulfurization devices in sequence, each desulfurization device comprises a plurality of desulfurization tanks and a first shell, the first shell is fixedly arranged on each desulfurization tower, each desulfurization tank is detachably arranged in the first shell, each desulfurization tank comprises a tank body, each tank body is provided with an air inlet end and an air outlet end, each tank body is communicated with the flue gas channels through the air inlet end and the air outlet end, the lower end of each desulfurization tower is provided with a liquid storage tank, each desulfurization tank is provided with a water pump, and the sulfur liquid in each desulfurization tower can flow through the corresponding desulfurization tank to the corresponding desulfurization tank, and the corresponding desulfurization tank is communicated with the corresponding air inlet pipe.
The further improvement is that: the utility model provides a jar body, including last casing, lower casing, last casing, lower casing detachable connection, the casing wears to be equipped with the return bend that admits air down, the return bend that admits air is linked together with the end that admits air, the upper end of return bend that admits air is the reverse U-shaped, offer the through-hole that supplies the sulfur removal liquid to flow into the return bend that admits air on the return bend that admits air, first casing is located the below of through-hole forms the stock solution chamber.
The further improvement is that: a plurality of working positions and replacement positions are arranged in the first shell, an air outlet connecting pipe is arranged on the first shell, positioned above the desulfurization tank, and rotatably and slidably arranged in the flue gas channel, the air outlet connecting pipe is detachably connected with the air outlet end head, the utility model discloses a desulfurization device, including first casing, exhaust connection pipe, desulfurizing tank, first casing, exhaust connection pipe, first casing, second casing, wherein the first casing is located on the working position and is located the desulfurizing tank below is provided with a plurality of spigot and socket pipes that supply the end male of admitting air, the spigot and socket pipes with flue gas passageway and inlet end are linked together, the exhaust connection pipe with end and flue gas passageway are linked together, be provided with on the first casing can drive the rotatory first rotation actuating mechanism of exhaust connection pipe lift.
The further improvement is that: the utility model provides a desulfurization tower, be provided with the dismouting device that is used for dismouting desulfurizing tank on the desulfurizing tower, dismouting device includes the crane, the crane fixed set up in the desulfurizing tower, be provided with the frame that slides on the crane, rotatable be provided with the pivot on the frame that slides, can follow the level in the pivot and slide and be provided with the frame that slides, be provided with the drive in the pivot the drive that slides of frame slides, the fixed bracket that is provided with on the frame that slides, the rotator includes the connecting plate, rotatable two arc poles that are provided with on the connecting plate, two arc poles can enclose, two that enclose have between the arc pole hold the space of desulfurizing tank, fixed being provided with socket joint end on the connecting pipe that gives vent to anger, the interior both sides of socket pipe are equipped with the card rail respectively symmetrically, form the screw in bayonet socket between two card rails, the both sides of giving vent to anger are equipped with the chucking piece respectively from the screw in between two card rails and through the card bayonet socket detachable block, dismouting block is provided with on the dismouting device and is used for the second drive mechanism rotates.
The further improvement is that: the rotary driving mechanism comprises an arc-shaped rotary rod, the arc-shaped rotary rod is rotatably arranged on the arc-shaped rod, a second driving device used for driving the arc-shaped rotary rod to rotate is arranged on the arc-shaped rod, a clamping groove is formed in the arc-shaped rod, and a clamping protrusion capable of being clamped into the clamping groove is arranged on the desulfurizing tank.
The further improvement is that: the first rotary driving mechanism comprises a connecting rod, the upper end part of the connecting rod is fixedly connected with the air outlet connecting pipe, a rotating disc is fixedly arranged on the connecting pipe, a first oblique gear ring is fixedly arranged on the lower end face of the rotating disc, a second oblique gear ring matched with the first oblique gear ring is arranged on the first shell, and a third driving device for driving the connecting rod to rotate is arranged on the first shell
The further improvement is that: the smoke outlet pipe penetrates through the smoke inlet pipe, a plurality of heat conducting fins are arranged on the smoke outlet pipe, and two ends of each heat conducting fin are respectively arranged in the smoke inlet pipe and the smoke outlet pipe.
The further improvement is that: the connecting pipe is rotatably provided with a pressing plate, a limiting device for preventing the pressing plate from being separated from the connecting pipe is arranged between the connecting pipe and the pressing plate, and an elastic piece for driving the pressing plate to reset downwards is arranged between the pressing plate and the first shell.
The method for removing white smoke from desulfurization flue gas with ultralow emission is based on the device for removing white smoke from desulfurization flue gas with ultralow emission, and is characterized by comprising the following steps of:
S1, measuring the maximum emission amount of the flue gas and the maximum value of sulfur content in unit time of engineering, selecting proper number of desulfurizing towers according to the maximum emission amount of the flue gas in unit time of a factory, and selecting proper number of layers of desulfurizing devices according to the maximum sulfur content in the flue gas;
S2, arranging a flow monitoring device and a sulfur dioxide concentration sensor in a to-be-sulfur-removed flue gas discharge pipeline of a factory, wherein the to-be-sulfur-removed flue gas discharge pipeline is communicated with each smoke inlet pipe, each smoke inlet pipe is provided with an electromagnetic valve, the flow monitoring device and the sulfur dioxide concentration sensor are electrically connected with a processing module, and the processing module is electrically connected with each battery valve;
S3, starting a water pump, introducing flue gas with sulfur removal, and removing sulfur and white smoke from the flue gas;
s4, checking and cleaning the desulfurization tank regularly; closing an electromagnetic valve where the to-be-inspected desulfurization tank is located, driving a third driving device to rotate the to-be-inspected desulfurization tank to a replacement position, driving a lifting frame to reach the position of the to-be-inspected desulfurization tank, opening two arc-shaped rods, extending the sliding frame to enable the bracket to be located below the desulfurization tank, enclosing the two arc-shaped rods to enable the desulfurization tank to be located in a space, driving a rotary driving device to enable the desulfurization tank to rotate, enabling a clamping block to be aligned with a screwing buckle at the moment, and enabling the lifting frame to descend;
s5, replacing the desulfurization tank which is inspected and cleaned with the disassembled desulfurization tank;
s6, loading the desulfurization tank subjected to the inspection and cleaning into a working position in the first shell in a reverse step;
S7, restarting the electromagnetic valve where the cleaned desulfurization tank is located.
By adopting the technical scheme, the invention has the beneficial effects that: 1. the equipment can be produced in a modularized manner, is assembled according to the requirements of customers, and can be used for selecting different numbers of desulfurizing towers and desulfurizing devices with different layers according to different flue gas discharge amounts and sulfur dioxide contents; 2. starting the number of proper desulfurizing towers by monitoring the flow rate and the sulfur dioxide content of the flue gas to be desulfurized so as to achieve the highest equipment utilization rate; 3. under the condition that the production of the factory is not stopped, the scale of the desulfurizing tower can be thoroughly cleaned, the maintenance is convenient, and the cost of the factory is reduced.
Drawings
FIG. 1 is a schematic structural view of an apparatus for ultra-low emission of desulfurization flue gas according to an embodiment of the present invention.
FIG. 2 is a schematic view showing the structure of a desulfurization apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a rotating disc according to an embodiment of the present invention.
Fig. 4 is an enlarged view at B in fig. 2.
Fig. 5 is an enlarged view at C in fig. 2.
FIG. 6 is a schematic view of the structure of a desulfurizing tank according to an embodiment of the present invention.
Fig. 7 is a cross-sectional view of A-A in fig. 2.
Fig. 8 is a schematic structural view of a dismounting device according to an embodiment of the invention.
Fig. 9 is a top view of a mounting and dismounting device according to an embodiment of the invention.
Fig. 10 is a cross-sectional view of fig. 9D-D.
FIG. 11 is a schematic view of the structure of the smoke inlet pipe and the smoke outlet pipe according to the embodiment of the invention.
Detailed Description
The invention will now be further described with reference to the drawings and specific examples.
Examples
Referring to fig. 1 to 11, the embodiment of the invention discloses a device for desulfurizing flue gas and ultra-low emission white smoke, which comprises a plurality of desulfurizing towers 1, wherein the desulfurizing towers 1 are mutually and parallelly arranged, the upper end and the lower end of each desulfurizing tower 1 are respectively provided with a smoke inlet pipe 1' and a smoke outlet pipe 2', electromagnetic valves (not shown in the drawings) are arranged on the upper end and the lower end of each desulfurizing tower 1, a flue gas channel 38 is arranged in each desulfurizing tower 1, the flue gas channel 38 is communicated with the smoke inlet pipe 1' and the smoke outlet pipe 2', a plurality of desulfurizing devices are sequentially arranged on the flue gas channels in a stacking manner from the top to the bottom, the desulfurizing devices are communicated with the flue gas channel 38, the flue gas to be desulfurized is sequentially discharged from the smoke outlet pipe 2' through the desulfurizing devices, each desulfurizing device comprises a plurality of desulfurizing tanks 2 and a first shell 11, the first shell 11 is fixedly arranged on the desulfurizing towers 1, each desulfurizing tank 2 is detachably arranged in the first shell 11, each desulfurizing tank 2 comprises a tank body, the tank body 21 and a lower shell 22, the upper shell 22 and the lower shell 22 are communicated with the flue gas channel 2, a liquid inlet end of each desulfurizing tank 23 is respectively arranged at the upper end of each desulfurizing tower 2, a liquid inlet end of each desulfurizing tower 23 is respectively provided with a liquid inlet end of the desulfurizing tank 23, a liquid inlet end of each desulfurizing tank 23 is respectively, a liquid inlet end of the desulfurizing tank 23 is respectively communicated with the liquid inlet end 23, a liquid inlet end 23 and a liquid inlet end 23, a liquid inlet end 23 is respectively, a liquid inlet end 23 is communicated with the desulfurizing end of the desulfurizing device, and a liquid inlet end 23, and a liquid is respectively, and a liquid outlet end is respectively, and a liquid inlet end is respectively, and a liquid outlet end is respectively, and a device. The air inlet end 232 is communicated with the air inlet elbow 23, three working positions and a replacement position are arranged in the first shell 11, the first shell 11 is provided with an inlet and outlet passage 112 for the desulfurization tank 2 to enter and exit the first shell 11 on the replacement position, the first shell 11 is positioned on the working position and above the desulfurization tank 2 and is provided with an air outlet connecting pipe 6, the air outlet connecting pipe 6 can rotate and can slide to penetrate through the flue gas passage 38, the air outlet connecting pipe 6 is detachably connected with the air outlet end 25, the utility model discloses a desulfurization device, including first casing 11, second casing 11, gas outlet connecting pipe 6, gas inlet end 25 and flue gas channel 38, socket pipe 383 that is located the working position in and is located in first casing 11 is provided with in the below of desulfurization tank 2 supplies gas inlet end 232 male socket pipe 383, socket pipe 383 with flue gas channel 38 and gas inlet end 232 are linked together, socket pipe 383's opening is the V type opening that makes things convenient for gas inlet end 232 male, gas outlet connecting pipe 6 with be linked together with gas outlet end 25 and flue gas channel 38, be provided with sealing washer 231 between socket pipe 383 and the gas inlet end 232, be provided with on the first casing 11 and can drive gas outlet connecting pipe 6 goes up and down and rotatory first rotation actuating mechanism. The first rotation driving mechanism comprises a connecting rod 36, the upper end of the connecting rod 36 is fixedly connected with the air outlet connecting pipe 6, a rotating disc 32 is fixedly arranged on the connecting rod 36, a first oblique gear ring 34 is fixedly arranged on the lower end face of the rotating disc 32, a second oblique gear ring 35 which can be matched with the first oblique gear ring 34 is arranged on the first shell 11, a first stepping motor 33 which drives the connecting rod 36 to rotate is arranged on the first shell 11, a spline hole is formed in the upper end face of the connecting rod 36, a driving shaft 361 of the first stepping motor 33 is a spline shaft, the driving shaft 361 of the first stepping motor 33 can slide and penetrate through the spline hole, the first oblique gear ring 34 and the second oblique gear ring 35 are matched when the first stepping motor 33 rotates, the desulfurizing tank 2 moves upwards and rotates simultaneously, and the desulfurizing tank is switched between a working position and a replacement position.
The lower tip of desulfurizing tower 1 is provided with liquid reserve tank 13, be provided with water pump (not shown in the figure) on the desulfurizing tower 1 and can take out the sulfur removal liquid in the liquid reserve tank 13, the sulfur removal liquid flows back to in the liquid reserve tank 13 through flue gas passageway 38, be provided with the gas-supply pipe 12 that is used for the input air on the desulfurizing tower 1, gas-supply pipe 12 is linked together with liquid reserve tank 13, set up the opening (not shown in the figure) that can open and close that is used for adding gypsum and water on the liquid reserve tank 13 wait to remove sulfur flue gas and get into from the intake pipe, to and pass through each desulfurizing tank 2 and flue gas passageway 38 from top to bottom, and sulfur removal liquid flows down under the effect of water pump and reacts with waiting to remove sulfur flue gas, and sulfur removal liquid part accumulates in the liquid reserve tank, wait to remove sulfur flue gas and pass through the inlet elbow 23 of U-shaped, further fully reacts with sulfur removal liquid.
In order to facilitate the disassembly and assembly: the desulfurization tower 1 is provided with a dismounting device 4 for dismounting the desulfurization tank 2, the dismounting device 4 comprises a lifting frame 41, the lifting frame 41 is fixedly arranged on the desulfurization tower 1, a first sliding frame 42 is arranged on the lifting frame 41, a threaded through hole is formed in the first sliding frame 42, a screw 45 is rotatably arranged on the lifting frame 41 through a bearing, the screw 45 penetrates through the threaded through hole, a turbine tooth is arranged on the screw 45, a second motor 47 is arranged on the lifting frame 41, a shell of the second motor 47 is fixedly arranged on the lifting frame 41, a driving shaft of the second motor 47 is a worm shaft which can be meshed with the turbine tooth, two dovetail sliding grooves are formed in the lifting frame 41 from top to bottom, two dovetail sliding blocks 43 are fixedly arranged on the first sliding frame 42, the dovetail sliding block 43 can slide in the dovetail sliding groove, a rotating shaft 44 is rotatably arranged on the first sliding frame 42, a third motor (not shown in the figure) is arranged on the first sliding frame 42, a shell of the third motor is fixedly arranged on the first sliding frame 42, a driving shaft of the third motor is fixedly connected with the rotating shaft 44, a second sliding frame 49 can slide horizontally on the rotating shaft 44, a triaxial cylinder (not shown in the figure) for driving the second sliding frame 49 to slide is arranged on the rotating shaft 44, a cylinder body of the first cylinder is fixedly arranged on the rotating shaft 44, a driving rod of the triaxial cylinder is fixedly connected with the second sliding frame 49, a bracket 48 and a rotator are fixedly arranged on the second sliding frame 49, the rotator comprises a connecting plate 51, the connecting plate 51 is fixedly arranged on the second sliding frame 49, two arc rods 52 are rotatably arranged on the connecting plate 51, a slide block 541 is slidably arranged on the connecting plate 51, a second air cylinder 542 is fixedly arranged on the connecting plate 51, a cylinder body of the second air cylinder 542 is fixedly arranged on the connecting plate 51, a driving rod of the second air cylinder 542 is fixedly connected with the slide block 541, two connecting rods 54 are hinged on the slide block 541, the free ends of the connecting rods 54 are hinged with the arc rods 52, two arc rods 52 can be enclosed, a space for accommodating the desulfurization tank 2 is arranged between the enclosed two arc rods 52, a socket joint end 62 is fixedly arranged on the air outlet connecting pipe 6, clamping rails are symmetrically arranged on the inner two sides of the socket joint end 62 respectively, screw-in bayonets are formed between the two clamping rails, the utility model discloses a desulfurization device, including the end 25 of giving vent to anger, two sides symmetry respectively are equipped with chucking piece 61, two chucking pieces 61 of connecting pipe are respectively from the screw in bayonet socket screw in spigot-and-socket end 62 between two clamping rails of screw in bayonet socket screw in, through chucking piece 61 detachable block in the arc pole 52 slidable wear to be equipped with arc dwang 523, the fixed interlock pole 524 that is provided with in upper end of arc dwang 523, be provided with the third cylinder 521 on the arc pole 52, the cylinder body of third cylinder 521 with arc pole 52 articulates mutually, the actuating lever of second cylinder 542 with interlock pole 524 articulates mutually, the draw-in groove 5231 has been seted up on the arc pole 52, be provided with on the desulfurization tank 2 can block into the draw-in groove 5231's card protruding 211, set up on the arc pole 52 with the dodge mouth 522 that the draw-in groove 5231 cooperatees. Through making dodge mouthful 522 to Ji Kacao 5231 for the card is protruding 211 to pass dodge mouthful 522 card and go into draw-in groove 5231, drives third cylinder 521 and makes arc dwang 523 rotate, thereby drives the desulfurization tank 2 and rotates and make chucking piece 61 aim at screw in buckle, and first slipping frame 42 slides from top to bottom can dismantle desulfurization tank 2.
The smoke outlet pipe 2' penetrates through the smoke inlet pipe 1', a plurality of heat conducting fins 3' are arranged on the smoke outlet pipe 2' in order to improve heat exchange efficiency, two ends of the heat conducting fins 3' are respectively arranged in the smoke inlet pipe 1' and the smoke outlet pipe 2', and the flue gas subjected to sulfur removal exchanges heat with the flue gas subjected to sulfur removal, so that white smoke of the flue gas subjected to sulfur removal is effectively removed.
When the temperature of the flue gas with sulfur removal in the flue pipe 1 'is too low to heat the flue pipe 2' to reach the preset white smoke removal temperature, other methods such as condensation heat exchange or low-energy consumption mixed drying methods can be adopted, the methods and the devices are known in the industry and can be selected according to the type of the customer factory, and the specific structure of the methods and the devices is not the content to be protected by the invention and is not repeated herein.
In order to enable the switch of the desulfurization tank 2 between the working position and the replacement position to be more stable, and ensure the air tightness between the desulfurization tank 2 and the flue gas channel 38, a pressing plate 123 is rotatably arranged on a connecting pipe of the desulfurization tank through a bearing, a spring 371 for driving the pressing plate to reset downwards is arranged between the pressing plate 123 and the first shell 11, two ends of the spring 371 respectively prop against the pressing plate 123 and the first shell 11, a buffer hydraulic rod 37 is fixedly arranged on the first shell 11, a cylinder body of the buffer hydraulic rod 37 is fixedly connected with the first shell 11, and a driving rod of the buffer hydraulic rod 37 is fixedly connected with the pressing plate.
The method for removing white smoke from desulfurization flue gas with ultralow emission is based on the device for removing white smoke from desulfurization flue gas with ultralow emission, and is characterized by comprising the following steps of:
S1, measuring the maximum emission amount of the flue gas and the maximum value of sulfur content in unit time of engineering, selecting the proper number of desulfurization towers 1 according to the maximum emission amount of the flue gas in unit time of a factory, and selecting the proper number of layers of desulfurization devices according to the maximum sulfur content in the flue gas;
S2, arranging a flow monitoring device and a sulfur dioxide concentration sensor in a to-be-sulfur-removed flue gas discharge pipeline of a factory, wherein the to-be-sulfur-removed flue gas discharge pipeline is communicated with each smoke inlet pipe 1', each smoke inlet pipe 1' is provided with an electromagnetic valve, the flow monitoring device and the sulfur dioxide concentration sensor are electrically connected with a processing module, and the processing module is electrically connected with each battery valve;
S3, starting a water pump, introducing flue gas with sulfur removal, and removing sulfur and white smoke from the flue gas;
S4, checking and cleaning the desulfurization tank 2at regular intervals; closing an electromagnetic valve where the to-be-inspected desulfurization tank 2 is located, rotating the to-be-inspected desulfurization tank 2 to a replacement position by driving a third driving device, driving a lifting frame 41 to reach the position of the to-be-inspected desulfurization tank 2, separating two arc-shaped rods 52, extending a sliding frame to enable a bracket 48 to be located below the desulfurization tank 2, enclosing the two arc-shaped rods 52 to enable the desulfurization tank 2 to be located in a space, driving a rotation driving device to enable the desulfurization tank 2 to rotate, enabling a clamping block 61 to be aligned with a screwing buckle at the moment, and enabling the lifting frame 41 to descend;
S5, replacing the desulfurization tank 2 which is inspected and cleaned with the disassembled desulfurization tank 2;
S6, loading the desulfurization tank 2 subjected to the inspection and cleaning into a working position in the first shell 11 in an inverse step;
s7, restarting the electromagnetic valve where the cleaned desulfurization tank 2 is located.
The upper shell 21 and the lower shell 22 of the replaced desulfurization tank 2 are separated, calcium sulfate in the desulfurization tank can be collected into the collecting tank, the scale in the desulfurization tank can be thoroughly cleaned, all the desulfurization tanks 2 can be removed according to the scale of the flue gas channel 38, and the flue gas channel 38 is thoroughly cleaned. Acting on the respective desulfurization towers 1 in parallel with each other, when some desulfurization towers 1 are shut down, the waste treatment of the factory can still be performed without affecting the factory production.
Modifications and variations made by the subject matter are intended to be within the scope of the claims and are not limited to the embodiments disclosed.
Claims (6)
1. The utility model provides a device of desulfurization flue gas ultra-low emission white cigarette that takes off which characterized in that: the desulfurization device comprises a plurality of desulfurization towers, wherein the upper end and the lower end of each desulfurization tower are respectively provided with a smoke inlet pipe and a smoke outlet pipe, a smoke channel is arranged in each desulfurization tower, the smoke channels are communicated with the smoke inlet pipe and the smoke outlet pipe, a plurality of desulfurization devices are sequentially arranged on the smoke channels in a stacked manner from bottom to top, the desulfurization devices are communicated with the smoke channels, the flue gas to be desulfurized is discharged from the smoke outlet pipe after passing through the respective desulfurization devices from the smoke inlet pipe for desulfurization, each desulfurization device comprises a plurality of desulfurization tanks and a first shell, the first shell is fixedly arranged on the desulfurization towers, the desulfurization tanks are detachably arranged in the first shell, each desulfurization tank comprises a tank body, an air inlet end and an air outlet end are arranged on the tank body, the tank body is communicated with the smoke channels through the air inlet end and the air outlet end, the lower end of each desulfurization tower is provided with a tank, the desulfurization liquid in the liquid storage tank can be pumped out through a water pump, the desulfurization liquid flows back into the liquid storage tank through the liquid storage channel, and the desulfurization tanks are arranged on the desulfurization towers, and the gas transmission pipes are communicated with the gas transmission pipes;
The device comprises a first shell, a second shell, a flue gas channel, a flue gas outlet connecting pipe, a first rotary driving mechanism and a second rotary driving mechanism, wherein a plurality of working positions and replacement positions are arranged in the first shell, the first shell is positioned on a station and above the flue gas channel, the flue gas outlet connecting pipe is rotatably and slidably arranged on the flue gas channel, the flue gas outlet connecting pipe is detachably connected with the flue gas outlet end, a plurality of socket pipes for inserting the flue gas inlet end are arranged on the working positions and below the flue gas channel in the first shell, the socket pipes are communicated with the flue gas channel and the flue gas inlet end, the flue gas outlet connecting pipe is communicated with the flue gas channel, and the first shell is provided with the first rotary driving mechanism capable of driving the flue gas outlet connecting pipe to rotate;
The device comprises a lifting frame, wherein the lifting frame is fixedly arranged on the desulfurizing tower, a sliding frame is arranged on the lifting frame, a rotating shaft is rotatably arranged on the sliding frame, a sliding frame can be horizontally arranged on the rotating shaft in a sliding mode, a sliding driving device for driving the sliding frame to slide is arranged on the rotating shaft, a bracket and a rotator are fixedly arranged on the sliding frame, the rotator comprises a connecting plate, two arc rods are rotatably arranged on the connecting plate, two arc rods can be enclosed, a space for accommodating the desulfurizing tank is reserved between the two enclosed arc rods, socket joint ends are fixedly arranged on the air outlet connecting pipe, clamping rails are symmetrically arranged on the inner two sides of the socket joint pipe respectively, screw-in bayonets are formed between the two clamping rails respectively, two clamping blocks of the connecting pipe are respectively and rotatably clamped between the two clamping rails from the screw-in socket joint pipe through the bayonets, and the disassembling and assembling device is provided with a second driving mechanism for driving the desulfurizing tank to rotate;
The utility model provides a jar body, including last casing, lower casing, last casing, lower casing detachable connection, the casing wears to be equipped with the return bend that admits air down, the return bend that admits air is linked together with the end that admits air, the upper end of return bend that admits air is the reverse U-shaped, offer the through-hole that supplies the sulfur removal liquid to flow into the return bend that admits air on the return bend that admits air, first casing is located the below of through-hole forms the stock solution chamber.
2. The device for removing white smoke from desulfurization flue gas with ultra-low emission according to claim 1, which is characterized in that: the rotary driving mechanism comprises an arc-shaped rotary rod, the arc-shaped rotary rod is rotatably arranged on the arc-shaped rod, a second driving device used for driving the arc-shaped rotary rod to rotate is arranged on the arc-shaped rod, a clamping groove is formed in the arc-shaped rod, and a clamping protrusion capable of being clamped into the clamping groove is arranged on the desulfurizing tank.
3. The device for removing white smoke from desulfurization flue gas with ultra-low emission according to claim 1, which is characterized in that: the first rotation driving mechanism comprises a connecting rod, the upper end part of the connecting rod is fixedly connected with the air outlet connecting pipe, a rotating disc is fixedly arranged on the connecting pipe, a first oblique gear ring is fixedly arranged on the lower end face of the rotating disc, a second oblique gear ring matched with the first oblique gear ring is arranged on the first shell, and a third driving device for driving the connecting rod to rotate is arranged on the first shell.
4. The device for removing white smoke from desulfurization flue gas with ultra-low emission according to claim 1, which is characterized in that: the smoke outlet pipe penetrates through the smoke inlet pipe, a plurality of heat conducting fins are arranged on the smoke outlet pipe, and two ends of each heat conducting fin are respectively arranged in the smoke inlet pipe and the smoke outlet pipe.
5. A device for desulfurizing flue gas and ultra-low emission and whitening flue gas according to claim 3, wherein: the pressure plate is rotatably arranged on the air outlet connecting pipe, a limiting device for preventing the pressure plate from being separated from the connecting pipe is arranged between the connecting pipe and the pressure plate, and an elastic piece for driving the pressure plate to reset downwards is arranged between the pressure plate and the first shell.
6. A method for desulfurizing flue gas and ultra-low emission and whitening cigarettes, which is based on the device for desulfurizing flue gas and ultra-low emission and whitening cigarettes according to any one of claims 1 to 5, and is characterized in that:
S1, measuring the maximum emission amount of the flue gas and the maximum value of sulfur content in unit time of engineering, selecting proper number of desulfurizing towers according to the maximum emission amount of the flue gas in unit time of a factory, and selecting proper number of layers of desulfurizing devices according to the maximum sulfur content in the flue gas;
S2, arranging a flow monitoring device and a sulfur dioxide concentration sensor in a to-be-sulfur-removed flue gas discharge pipeline of a factory, wherein the to-be-sulfur-removed flue gas discharge pipeline is communicated with each smoke inlet pipe, each smoke inlet pipe is provided with an electromagnetic valve, the flow monitoring device and the sulfur dioxide concentration sensor are electrically connected with a processing module, and the processing module is electrically connected with each battery valve;
S3, starting a water pump, introducing flue gas with sulfur removal, and removing sulfur and white smoke from the flue gas;
s4, checking and cleaning the desulfurization tank regularly; closing an electromagnetic valve where the to-be-inspected desulfurization tank is located, driving a third driving device to rotate the to-be-inspected desulfurization tank to a replacement position, driving a lifting frame to reach the position of the to-be-inspected desulfurization tank, opening two arc-shaped rods, extending the sliding frame to enable the bracket to be located below the desulfurization tank, enclosing the two arc-shaped rods to enable the desulfurization tank to be located in a space, driving a rotary driving device to enable the desulfurization tank to rotate, enabling a clamping block to be aligned with a screwing buckle at the moment, and enabling the lifting frame to descend;
s5, replacing the desulfurization tank which is inspected and cleaned with the disassembled desulfurization tank;
s6, loading the desulfurization tank subjected to the inspection and cleaning into a working position in the first shell in a reverse step;
S7, restarting the electromagnetic valve where the cleaned desulfurization tank is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910759477.0A CN110394041B (en) | 2019-08-16 | 2019-08-16 | Device and method for removing white smoke from desulfurization flue gas in ultralow emission mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910759477.0A CN110394041B (en) | 2019-08-16 | 2019-08-16 | Device and method for removing white smoke from desulfurization flue gas in ultralow emission mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110394041A CN110394041A (en) | 2019-11-01 |
| CN110394041B true CN110394041B (en) | 2024-04-19 |
Family
ID=68328587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910759477.0A Active CN110394041B (en) | 2019-08-16 | 2019-08-16 | Device and method for removing white smoke from desulfurization flue gas in ultralow emission mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110394041B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09239233A (en) * | 1996-03-05 | 1997-09-16 | Mitsubishi Heavy Ind Ltd | Method and apparatus for exhaust gas desulfurization and ship carrying the apparatus |
| CN207213635U (en) * | 2017-09-25 | 2018-04-10 | 重庆朗天制药有限公司 | A kind of gasifying pot |
| CN207715990U (en) * | 2017-12-12 | 2018-08-10 | 北京清新环境节能技术有限公司 | A kind of single column integral desulfurization, dust removal deep purifying support device |
| CN208605930U (en) * | 2018-08-17 | 2019-03-15 | 中交第一公路工程局有限公司 | A kind of external gas storage tank device of air press increase |
| CN208742270U (en) * | 2018-07-11 | 2019-04-16 | 黑龙江核力能源开发有限公司 | Flue gas processing device |
| CN210699489U (en) * | 2019-08-16 | 2020-06-09 | 晋江美创环保设备有限公司 | Device for removing white smoke from ultra-low emission of desulfurized flue gas |
-
2019
- 2019-08-16 CN CN201910759477.0A patent/CN110394041B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09239233A (en) * | 1996-03-05 | 1997-09-16 | Mitsubishi Heavy Ind Ltd | Method and apparatus for exhaust gas desulfurization and ship carrying the apparatus |
| CN207213635U (en) * | 2017-09-25 | 2018-04-10 | 重庆朗天制药有限公司 | A kind of gasifying pot |
| CN207715990U (en) * | 2017-12-12 | 2018-08-10 | 北京清新环境节能技术有限公司 | A kind of single column integral desulfurization, dust removal deep purifying support device |
| CN208742270U (en) * | 2018-07-11 | 2019-04-16 | 黑龙江核力能源开发有限公司 | Flue gas processing device |
| CN208605930U (en) * | 2018-08-17 | 2019-03-15 | 中交第一公路工程局有限公司 | A kind of external gas storage tank device of air press increase |
| CN210699489U (en) * | 2019-08-16 | 2020-06-09 | 晋江美创环保设备有限公司 | Device for removing white smoke from ultra-low emission of desulfurized flue gas |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110394041A (en) | 2019-11-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205403581U (en) | Online rubber ball cleaning system of condenser | |
| CN205762761U (en) | A kind of purging system of oil cooler | |
| CN210699489U (en) | Device for removing white smoke from ultra-low emission of desulfurized flue gas | |
| CN110394041B (en) | Device and method for removing white smoke from desulfurization flue gas in ultralow emission mode | |
| CN2872719Y (en) | Special internally-cooled water processor | |
| CN116617831A (en) | Tail gas absorbing device for methane purification | |
| CN208936815U (en) | A kind of heat exchange pre-cooler of compressed air | |
| CN207197043U (en) | A kind of novel energy-conserving closed circle water system | |
| CN216825636U (en) | Automatic control device of wet flue gas desulfurization system | |
| CN212594938U (en) | Efficient desulfurization dust removal integrated device | |
| CN212746527U (en) | Vertical boiler | |
| CN209416078U (en) | A kind of evaporator that can utilize waste heat | |
| CN113578017A (en) | High-efficient single-tower dedusting and desulfurizing's environmental protection multi-stage treatment equipment in coordination | |
| CN201013340Y (en) | Oil field fire coal steam-injection boiler water treatment apparatus | |
| CN102200402B (en) | Low-leakage rotary gas-gas heater | |
| CN221374719U (en) | Novel energy-saving hot air valve body | |
| CN204564682U (en) | A kind of oxygen compressor gas cooler cleaning device | |
| CN219702906U (en) | Deacidification ammonia distillation device | |
| CN214948982U (en) | Circulating air inlet device of circulating fluidized bed boiler | |
| CN112943982B (en) | Valve clack device is sealed to water inlet end of backflow preventer | |
| CN213467264U (en) | High-efficient boiler dust removal SOx/NOx control device | |
| CN111486720A (en) | Natural gas heat exchange device for natural gas station house and use method thereof | |
| CN208893824U (en) | A kind of flue purifier of boiler | |
| CN220932556U (en) | Online monitoring device for carbon dioxide in waste gas of coal-fired power plant | |
| CN218843245U (en) | Interlocking device for automatically supplementing water to process water tank of reaction tower atomizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |