CN112023629B - Flue gas desulfurization tower and desulfurization method thereof - Google Patents
Flue gas desulfurization tower and desulfurization method thereof Download PDFInfo
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- CN112023629B CN112023629B CN202010839909.1A CN202010839909A CN112023629B CN 112023629 B CN112023629 B CN 112023629B CN 202010839909 A CN202010839909 A CN 202010839909A CN 112023629 B CN112023629 B CN 112023629B
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- 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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
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- 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
- B01D53/14—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 by absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
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- 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
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Abstract
The invention discloses a flue gas desulfurization tower and a desulfurization method thereof, wherein the flue gas desulfurization tower comprises a desulfurization tower, a sulfur inlet pipe and a sulfur outlet pipe are communicated with the desulfurization tower, absorption liquid is stored at the bottom of the desulfurization tower, a circulating structure is arranged on the desulfurization tower, three filter screens and three inclined plates are fixedly arranged in the desulfurization tower, and the inclined plates are obliquely arranged. The method comprises the following steps: and S1, firstly, opening the water pump, and conveying the absorption liquid at the bottom of the desulfurization tower to the upper position of the desulfurization tower through the water inlet pipe and the water outlet pipe when the water pump works. Has the advantages that: set up a plurality of swash plates to ensure that the flue gas from down and go on to take place to contact with the absorption liquid fully many times, thereby ensure effectual desulfurization effect, and the flue gas can take place to contact with corresponding baffle at the in-process that rises, under the effect of blockking of baffle, most flue gas can contact with the absorption liquid that trickles on its below swash plate of next-door neighbour once more, thereby further improve desulfurization effect.
Description
Technical Field
The invention relates to the technical field of flue gas desulfurization, in particular to a flue gas desulfurization tower and a desulfurization method thereof.
Background
Devices such as boilers, industrial furnaces and thermal power plants are easy to produce a large amount of flue gas during production, and the flue gas contains more sulfur oxides, and direct discharge into the air can cause air pollution along the flue gas, so that the flue gas needs to be subjected to desulfurization treatment through a flue gas desulfurization tower before being discharged.
The patent number of the invention granted under CN105833668B discloses a flue gas desulfurization tower, which comprises a tower body, wherein the lower part of the tower body is provided with a flue gas inlet, the top of the tower body is provided with a flue gas outlet, at least one spraying layer and at least one sieve plate are sequentially arranged in the tower body from top to bottom, and the spraying layer and the sieve plate are arranged between the flue gas inlet and the flue gas outlet.
The flue gas desulfurization tower obviously has the following defects: the mode that sprays is adopted to carry out the desulfurization to rising flue gas, and the contact effect between the two is limited, can't ensure that the flue gas fully takes place to contact with the absorption liquid, and desulfurization effect is lower relatively.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a flue gas desulfurization tower and a desulfurization method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a flue gas desulfurization tower comprises a desulfurization tower, wherein a sulfur inlet pipe and a sulfur outlet pipe are communicated with the desulfurization tower, absorption liquid is stored at the bottom of the desulfurization tower, a circulating structure is installed on the desulfurization tower, three filter screens and three inclined plates are fixedly installed in the desulfurization tower, the inclined plates are obliquely arranged, the filter screens are positioned above the corresponding inclined plates, each inclined plate is provided with a plurality of arc-shaped grooves and a water outlet hole, the water outlet hole is positioned at the lowest end of the corresponding inclined plate, each inclined plate is fixedly communicated with a plurality of air pipes and a sewer pipe, the upper ends of the air pipes are communicated with the corresponding arc-shaped grooves, the upper ends of the sewer pipes are communicated with the corresponding water outlet holes, the air pipes are one-way pipes, the end surface shapes of the sewer pipes are funnel-shaped, the length of the upper end parts of the sewer pipes is more than or equal to the hole length of the water outlet holes, a plurality of groups of dehumidification structures are installed in the desulfurization tower, and the dehumidification structure is located the top of corresponding swash plate, every the lower surface of filter screen all has a plurality of baffles through a plurality of body of rod fixed mounting, and the contained angle scope between baffle lower surface and the corresponding swash plate upper surface is between 15-75.
In foretell flue gas desulfurization tower, circulation structure comprises water pump, inlet tube, outlet pipe, fixed mounting has the water pump on the outer wall of desulfurizing tower, the end intercommunication of intaking of water pump has the inlet tube, the play water end intercommunication of water pump has the outlet pipe, and the one end that the water pump was kept away from to inlet tube, outlet pipe all is linked together with the desulfurizing tower.
In the above flue gas desulfurization tower, the length of the arc-shaped grooves is equal to the width of the inclined plate, and the number of the air pipes is 6-10 times of the number of the arc-shaped grooves.
In foretell flue gas desulfurization tower, every group the dehumidification structure is gathered together cover, a pivot, a flabellum, a wringing board and a connecting pipe by an absorption sponge, one, every equal fixed paste has an absorption sponge on the filter screen, fixed mounting has a plurality of covers of gathering together in the desulfurizing tower, and gathers together the top that the cover is located corresponding absorption sponge, every gather together and all rotate in the cover and install a pivot, every equal fixed mounting has a flabellum and a wringing board in the pivot, and the lower surface of wringing board offsets with the upper surface of absorption sponge, every gather together and cover and all fix the intercommunication and have a connecting pipe.
In the above-mentioned flue gas desulfurization tower, two cover bodies are fixedly mounted in the desulfurization tower, the cover bodies are respectively communicated with two connecting pipes below, and the upper ends of the cover bodies are communicated with corresponding air pipes.
A desulfurization method of a flue gas desulfurization tower comprises the following steps:
s1, firstly, turning on a water pump, and when the water pump works, conveying the absorption liquid at the bottom of the desulfurization tower to the upper position of the desulfurization tower through a water inlet pipe and a water outlet pipe;
s2, when the absorption liquid flows out from the water outlet pipe, the absorption liquid directly slides downwards along the uppermost sloping plate, and the air pipe is a one-way pipe, so that the absorption liquid can only flow downwards through the matching of the water outlet hole and the sewer pipe;
s3, allowing the absorption liquid to flow downwards onto the next inclined plate through the water outlet holes and the sewer pipe, then flowing downwards along the surface of the inclined plate, and repeating the operation until the absorption liquid flows back to the bottom of the desulfurizing tower again;
s4, conveying the flue gas to be desulfurized into the desulfurizing tower through the sulfur inlet pipe, wherein the flue gas flows from bottom to top;
s5, the smoke passes through the inclined plate through the corresponding air pipe in the downward flowing process, the smoke fully contacts with the absorption liquid in the corresponding arc-shaped groove in the process, the smoke has a gathering effect when passing through the air pipe, the part of smoke still has certain large flow velocity when flowing out of the arc-shaped groove, at the moment, the small smoke impacts the baffle, and due to the arrangement of the angle between the baffle and the inclined plate, most of the small smoke can contact the absorption liquid flowing on the inclined plate again, so that the absorption effect is improved;
s6, when the smoke passes through the inclined plate and continuously flows upwards, the smoke can pass through the filter screen and the absorption sponge above the inclined plate, and when the smoke passes through the absorption sponge, the absorption liquid carried by the smoke can be directly absorbed, so that a certain drying effect is achieved on the smoke, and the subsequent desulfurization operation is facilitated;
s7, when the smoke passes through the lowest sloping plate, the smoke flows out through the connecting pipe under the action of the gathering cover, and in the process, the gathering cover gathers the smoke, so that the flow rate of the smoke is increased, the smoke can drive the fan blades to rotate, the fan blades rotate and drive the water squeezing plates to rotate through the rotating shafts, and the water squeezing plates rotate and can generate a squeezing effect on the absorption sponge, so that the absorption liquid absorbed by the absorption sponge is squeezed out, the absorption liquid falls onto the sloping plate again for use, and the water absorption and dehumidification effects of the absorption sponge are ensured as much as possible;
s8, when the flue gas flows to the uppermost part of the desulfurizing tower, the flue gas directly flows out of the desulfurizing tower through the sulfur outlet pipe.
Compared with the prior art, the invention has the advantages that:
1: set up a plurality of swash plates to ensure that the flue gas from down and go up to carry out a lot of and fully take place to contact with the absorption liquid, thereby ensure effectual desulfurization effect.
2: the setting of sponge that absorbs water can carry out the absorption to the absorption liquid that carries in the flue gas, then extrudees this part absorption liquid through rotating extruded mode and utilizes again, has improved the utilization ratio of absorption liquid.
3: the rotation of the wringing plate does not need an additional power source, and the use cost is low by utilizing the flow of the smoke.
4: the arrangement of the gathering cover can generate a gathering effect on the smoke passing through the water absorption sponge, so that the flow speed of the smoke is increased, and the fan blades are more easily driven to rotate when the smoke moves upwards.
5: the rising flue gas contacts with absorption liquid flowing on the sloping plate close to the lower part of the rising flue gas again under the blocking effect of the baffle plate, thereby further improving the desulfurization effect.
6: the purpose that the filter screen set up can produce a supporting effect to the sponge that absorbs water, can also carry out the interception that blocks of certain degree to the granule impurity in the flue gas simultaneously.
Drawings
FIG. 1 is a schematic structural diagram of a flue gas desulfurization tower and a desulfurization method thereof according to the present invention;
FIG. 2 is an enlarged view of the structure of part A in FIG. 1;
fig. 3 is an enlarged schematic view of the structure of part B in fig. 1.
In the figure: the device comprises a desulfurizing tower 1, a sulfur inlet pipe 2, a sulfur outlet pipe 3, a baffle 4, a water pump 5, a water inlet pipe 6, a water outlet pipe 7, an inclined plate 8, an arc-shaped groove 9, an air pipe 10, a water outlet hole 11, a sewer pipe 12, a filter screen 13, an absorption sponge 14, a gathering cover 15, a rotating shaft 16, fan blades 17, a water squeezing plate 18, a connecting pipe 19 and a cover body 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a flue gas desulfurization tower comprises a desulfurization tower 1, wherein the desulfurization tower 1 is communicated with a sulfur inlet pipe 2 and a sulfur outlet pipe 3, absorption liquid is stored at the bottom of the desulfurization tower 1, and a circulating structure is arranged on the desulfurization tower 1;
the following points are notable:
1. circulation structure comprises water pump 5, inlet tube 6, outlet pipe 7, and fixed mounting has water pump 5 on the outer wall of desulfurizing tower 1, and the end intercommunication of intaking of water pump 5 has inlet tube 6, and the play water end intercommunication of water pump 5 has outlet pipe 7, and the one end that water pump 5 was kept away from to inlet tube 6, outlet pipe 7 all is linked together with desulfurizing tower 1.
2. The water pump 5 may be a CHTC water pump.
3. The lower extreme department of desulfurizing tower 1 itself has a body for inject the absorption liquid into desulfurizing tower 1, also can be used to the clearance absorption liquid outside desulfurizing tower 1 simultaneously, specifically is current structure, does not do not specifically describe here.
Three filter screens 13 and three sloping plates 8 are fixedly installed in the desulfurizing tower 1, the sloping plates 8 are obliquely arranged, the filter screens 13 are positioned above the corresponding sloping plates 8, each sloping plate 8 is provided with a plurality of arc-shaped grooves 9 and a water outlet 11, the water outlet 11 is positioned at the lowest end of the corresponding sloping plate 8, each sloping plate 8 is fixedly communicated with a plurality of air pipes 10 and a sewer pipe 12, the upper ends of the air pipes 10 are communicated with the corresponding arc-shaped grooves 9, and the upper ends of the sewer pipes 12 are communicated with the corresponding water outlet 11;
the following points are notable:
1. trachea 10 is the one-way pipe to the absorption liquid in the trial disc arc 9 can not go downwards through trachea 10, thereby ensures that the flue gas can fully take place to contact with the absorption liquid in the arc 9 when flowing upwards through trachea 10, thereby improves the desulfurization effect to the flue gas.
2. The end surface of the downcomer 12 is funnel-shaped, and the length of the upper end part of the downcomer 12 is greater than or equal to the hole length of the water outlet hole 11; the dimensioning here has the purpose that the flue gases do not easily flow upwards through the outlet holes 11.
3. The length of the arc-shaped grooves 9 is equal to the width of the inclined plate 8, and the number of the air pipes 10 is 6-10 times of the number of the arc-shaped grooves 9.
4. The mesh aperture of filter screen 13 reduces from up in proper order down, and the purpose that its set up can produce a supporting effect to absorbing sponge 14, can also carry out the interception that blocks of certain degree to the granule impurity in the flue gas simultaneously.
A plurality of groups of dehumidification structures are arranged in the desulfurizing tower 1, and the dehumidification structures are positioned above the corresponding inclined plates 8;
the following points are notable:
1. every group dehumidification structure is by an absorption sponge 14, one gathers together cover 15, a pivot 16, a flabellum 17, a wringing board 18 and a connecting pipe 19, all fixed paste has an absorption sponge 14 on every filter screen 13, fixed mounting has a plurality of covers 15 of gathering together in the desulfurizing tower 1, and gather together cover 15 and be located the top of corresponding absorption sponge 14, it all rotates in the cover 15 to install a pivot 16 to gather together, equal fixed mounting has a flabellum 17 and a wringing board 18 on every pivot 16, and the lower surface of wringing board 18 offsets with the upper surface of absorption sponge 14, it all fixed intercommunication has a connecting pipe 19 on the cover 15 to gather together.
2. The gathering cover 15 can gather the smoke passing through the water absorption sponge 14, so that the flow speed of the smoke is increased, and the smoke can move upwards to drive the fan blades 17 to rotate more easily.
3. The end face of the wringing plate 18 is shaped as a diamond (when viewed from the left and right), and the shape is arranged to reduce the influence of the wringing plate 18 on the rising of smoke.
4. The lower surface of each filter screen 13 is fixedly provided with a plurality of baffles 4 through a plurality of rod bodies, and the included angle between the lower surface of each baffle 4 and the upper surface of the corresponding inclined plate 8 ranges from 15 degrees to 75 degrees; the rising flue gas contacts with absorption liquid flowing on the inclined plate 8 which is close to the lower part of the baffle 4 under the blocking effect of the baffle 4, so that the desulfurization effect is further improved.
5. Two cover bodies 20 are fixedly arranged in the desulfurizing tower 1, the cover bodies 20 are respectively communicated with two connecting pipes 19 below, and the upper ends of the cover bodies 20 are communicated with corresponding air pipes 10; the purpose of the hood 20 is to provide a gathering action on the flue gas, which facilitates the flue gas to pass through the corresponding sloping plate 8 at a relatively high speed.
A desulfurization method of a flue gas desulfurization tower comprises the following steps:
s1, firstly, the water pump 5 is started, and when the water pump 5 works, the absorption liquid at the bottom of the desulfurizing tower 1 is conveyed to the position above the desulfurizing tower 1 through the water inlet pipe 6 and the water outlet pipe 7;
s2, when the absorption liquid flows out of the water outlet pipe 7, the absorption liquid directly slides downwards along the uppermost sloping plate 8, and the air pipe 10 is a one-way pipe, so that the absorption liquid can only flow downwards through the matching of the water outlet hole 11 and the sewer pipe 12;
s3, the absorption liquid flows downwards to the next sloping plate 8 through the water outlet holes 11 and the sewer pipe 12, then flows downwards along the surface of the sloping plate 8, and the operation is repeated until the absorption liquid flows back to the bottom of the desulfurizing tower 1;
s4, conveying the flue gas to be desulfurized into the desulfurizing tower 1 through the sulfur inlet pipe 2, wherein the flue gas flows from bottom to top;
s5, the smoke passes through the inclined plate 8 through the corresponding air pipe 10 in the downward flowing process, the smoke fully contacts with the absorption liquid in the corresponding arc-shaped groove 9 in the process, the smoke has a gathering effect when passing through the air pipe 10, the part of smoke still has certain large flow velocity when flowing out of the arc-shaped groove 9, at the moment, the small smoke can impact the baffle 4, and due to the arrangement of the angle between the baffle 4 and the inclined plate 8, most of the small smoke can contact the absorption liquid flowing on the inclined plate 8 again, so that the absorption effect is improved;
s6, when the flue gas passes through the inclined plate 8 and continuously flows upwards, the flue gas passes through the filter screen 13 and the absorption sponge 14 above the inclined plate, and when the flue gas passes through the absorption sponge 14, the absorption liquid carried by the flue gas can be directly absorbed, so that a certain drying effect is achieved on the flue gas, and the subsequent desulfurization operation is facilitated;
s7, when the smoke passes through the lowest inclined plate 8, the smoke flows out through the connecting pipe 19 under the action of the gathering cover 15, in the process, the gathering cover 15 gathers the smoke, so that the flow rate of the smoke is increased, the smoke can drive the fan blades 17 to rotate, the fan blades 17 rotate to drive the wringing plates 18 to rotate through the rotating shaft 16, the wringing plates 18 rotate to generate an extrusion effect on the absorption sponge 14, the absorption liquid absorbed on the absorption sponge 14 is extruded, the absorption liquid falls on the inclined plate 8 again for use, and meanwhile, the water absorption and dehumidification effects of the absorption sponge 14 are ensured as much as possible;
s8, when the flue gas flows to the uppermost part of the desulfurizing tower 1, the flue gas directly flows out of the desulfurizing tower 1 through the sulfur outlet pipe 3.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A flue gas desulfurization tower comprises a desulfurization tower (1), wherein a sulfur inlet pipe (2) and a sulfur outlet pipe (3) are communicated with the desulfurization tower (1), and is characterized in that absorption liquid is stored at the bottom of the desulfurization tower (1), a circulating structure is installed on the desulfurization tower (1), three filter screens (13) and three inclined plates (8) are fixedly installed in the desulfurization tower (1), the inclined plates (8) are obliquely arranged, the filter screens (13) are positioned above the corresponding inclined plates (8), each inclined plate (8) is provided with a plurality of arc-shaped grooves (9) and a water outlet hole (11), the water outlet hole (11) is positioned at the lowest end of the corresponding inclined plate (8), each inclined plate (8) is fixedly communicated with a plurality of air pipes (10) and a sewer pipe (12), and the upper ends of the air pipes (10) are communicated with the corresponding arc-shaped grooves (9), the upper end of the downcomer (12) is communicated with the corresponding water outlet hole (11), the air pipe (10) is a one-way pipe, the end face of the downcomer (12) is funnel-shaped, the length of the upper end part of the downcomer (12) is greater than or equal to the hole length of the water outlet hole (11), a plurality of groups of dehumidification structures are installed in the desulfurization tower (1), the dehumidification structures are located above the corresponding inclined plates (8), a plurality of baffles (4) are fixedly installed on the lower surface of each filter screen (13) through a plurality of rod bodies, and the included angle range between the lower surface of each baffle (4) and the upper surface of the corresponding inclined plate (8) is 15-75 degrees;
each group of dehumidification structure is composed of an absorption sponge (14), a gathering cover (15), a rotating shaft (16), a fan blade (17), a water squeezing plate (18) and a connecting pipe (19), each filter screen (13) is fixedly adhered with the absorption sponge (14), a plurality of gathering covers (15) are fixedly installed in the desulfurization tower (1), the gathering covers (15) are located above the corresponding absorption sponges (14), each gathering cover (15) is rotatably installed with one rotating shaft (16), each rotating shaft (16) is fixedly installed with one fan blade (17) and one water squeezing plate (18), the lower surface of each water squeezing plate (18) is abutted against the upper surface of the absorption sponge (14), and each gathering cover (15) is fixedly communicated with one connecting pipe (19);
two cover bodies (20) are fixedly installed in the desulfurizing tower (1), the cover bodies (20) are respectively communicated with two connecting pipes (19) below, and the upper ends of the cover bodies (20) are communicated with corresponding air pipes (10).
2. The flue gas desulfurization tower of claim 1, wherein the circulating structure is composed of a water pump (5), a water inlet pipe (6) and a water outlet pipe (7), the water pump (5) is fixedly installed on the outer wall of the desulfurization tower (1), the water inlet end of the water pump (5) is communicated with the water inlet pipe (6), the water outlet end of the water pump (5) is communicated with the water outlet pipe (7), and the ends of the water inlet pipe (6) and the water outlet pipe (7) far away from the water pump (5) are both communicated with the desulfurization tower (1).
3. A flue gas desulfurization tower according to claim 1, wherein the length of the arc-shaped slots (9) is equal to the width of the inclined plate (8), and the number of the gas pipes (10) is 6-10 times of the number of the arc-shaped slots (9).
4. The desulfurization method of the flue gas desulfurization tower is characterized by comprising the following steps of:
s1, firstly, turning on a water pump (5), and when the water pump (5) works, conveying the absorption liquid at the bottom of the desulfurizing tower (1) to the upper position of the desulfurizing tower (1) through a water inlet pipe (6) and a water outlet pipe (7);
s2, when the absorption liquid flows out from the water outlet pipe (7), the absorption liquid directly slides downwards along the uppermost sloping plate (8), and the air pipe (10) is a one-way pipe, so that the absorption liquid can only flow downwards through the matching of the water outlet hole (11) and the sewer pipe (12);
s3, the absorption liquid flows downwards to the next inclined plate (8) through the water outlet holes (11) and the sewer pipe (12), then flows downwards along the surface of the inclined plate (8), and the operation is repeated until the absorption liquid flows back to the bottom of the desulfurizing tower (1);
s4, conveying the flue gas to be desulfurized into the desulfurizing tower (1) through the sulfur inlet pipe (2), wherein the flue gas flows from bottom to top;
s5, the smoke passes through the inclined plate (8) through the corresponding air pipe (10) in the downward flowing process, the smoke fully contacts with the absorption liquid in the corresponding arc-shaped groove (9) in the process, the smoke has a gathering effect when passing through the air pipe (10), so that the gathered smoke still has a certain large flow velocity when flowing out of the arc-shaped groove (9), the gathered smoke can impact the baffle (4), and most of the gathered smoke can contact the absorption liquid flowing on the inclined plate (8) again due to the arrangement of the angle between the baffle (4) and the inclined plate (8), so that the absorption effect is improved;
s6, when the flue gas passes through the inclined plate (8) and continuously flows upwards, the flue gas passes through the filter screen (13) and the absorption sponge (14) above the inclined plate, and when the flue gas passes through the absorption sponge (14), the absorption liquid carried by the flue gas can be directly absorbed, so that a certain drying effect is achieved on the flue gas, and the subsequent desulfurization operation is facilitated;
s7, when the smoke passes through the lowest sloping plate (8), the smoke returns to flow out through the connecting pipe (19) under the action of the gathering cover (15), the gathering cover (15) gathers the smoke in the process, so that the flow rate of the smoke is increased, the smoke drives the fan blades (17) to rotate, the fan blades (17) rotate to drive the wringing plate (18) to rotate through the rotating shaft (16), the wringing plate (18) rotates to generate a squeezing effect on the absorption sponge (14), and the absorption liquid absorbed by the absorption sponge (14) is squeezed out, so that the absorption liquid falls onto the sloping plate (8) again for use, and the water absorption and dehumidification effects of the absorption sponge (14) are ensured;
s8, when the flue gas flows to the uppermost part of the desulfurizing tower (1), the flue gas directly flows out of the desulfurizing tower (1) through the sulfur outlet pipe (3).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2743267A1 (en) * | 1976-09-29 | 1978-03-30 | Chiyoda Chem Eng Construct Co | DEVICE FOR DESULFURIZING EXHAUST GASES |
| CN101108299A (en) * | 2007-06-29 | 2008-01-23 | 长春东狮科贸实业有限公司 | High-efficient gas-liquid mass transferring device |
| CN201239605Y (en) * | 2008-08-14 | 2009-05-20 | 山东汇盛天泽环境工程有限公司 | Wet-type desulfurizing tower without filling agent |
| CN202478807U (en) * | 2012-03-09 | 2012-10-10 | 刘雷 | Gas desulfurizer |
| CN205495210U (en) * | 2016-01-29 | 2016-08-24 | 北京神雾环境能源科技集团股份有限公司 | Spray column and be equipped with dry flue gas processing system of brown coal of this spray column |
| CN210544345U (en) * | 2019-09-05 | 2020-05-19 | 钟卉卉 | Exhaust emission device of mill |
-
2020
- 2020-08-19 CN CN202010839909.1A patent/CN112023629B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2743267A1 (en) * | 1976-09-29 | 1978-03-30 | Chiyoda Chem Eng Construct Co | DEVICE FOR DESULFURIZING EXHAUST GASES |
| CN101108299A (en) * | 2007-06-29 | 2008-01-23 | 长春东狮科贸实业有限公司 | High-efficient gas-liquid mass transferring device |
| CN201239605Y (en) * | 2008-08-14 | 2009-05-20 | 山东汇盛天泽环境工程有限公司 | Wet-type desulfurizing tower without filling agent |
| CN202478807U (en) * | 2012-03-09 | 2012-10-10 | 刘雷 | Gas desulfurizer |
| CN205495210U (en) * | 2016-01-29 | 2016-08-24 | 北京神雾环境能源科技集团股份有限公司 | Spray column and be equipped with dry flue gas processing system of brown coal of this spray column |
| CN210544345U (en) * | 2019-09-05 | 2020-05-19 | 钟卉卉 | Exhaust emission device of mill |
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| CN112023629A (en) | 2020-12-04 |
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