CN112843951A - Flue gas pollutant collecting device and method - Google Patents
Flue gas pollutant collecting device and method Download PDFInfo
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- CN112843951A CN112843951A CN202011554119.5A CN202011554119A CN112843951A CN 112843951 A CN112843951 A CN 112843951A CN 202011554119 A CN202011554119 A CN 202011554119A CN 112843951 A CN112843951 A CN 112843951A
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- 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
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
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- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4077—Concentrating samples by other techniques involving separation of suspended solids
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Abstract
The invention discloses a flue gas pollutant collecting device and a method. This smoke pollutant collection system, the flue gas that utilizes the flue gas treatment fluid that sprays to gather the inside top of case carries out purification treatment, the dust and the solid pollutant in the flue gas of flue gas treatment fluid adsorb, thereby can adsorb the processing to dust and solid pollutant that contain in the flue gas effectively, let dust and solid pollutant in the flue gas be absorbed by flue gas treatment fluid, can conveniently realize gathering the flue gas pollutant through the filter screen section of thick bamboo, let dust and solid pollutant in the flue gas stay the inside of connecting cylinder, whole smoke pollutant collection system's structural design is simple, compare in current equipment, the equipment investment and the working costs that the invention provides are lower, and equipment volume is less, it is comparatively simple to operate and use, do not have secondary pollution's problem.
Description
Technical Field
The invention relates to the technical field of flue gas treatment, in particular to a flue gas pollutant collecting device and method.
Background
In the continuous monitoring system for flue gas emission, a flue gas sampling probe plays a role in lifting the whole system, and flue gas in a chimney or a flue is pumped by a sampling pump (equipment except the probe) and then is sent to a flue gas analyzer through a pretreatment unit to analyze and detect the concentration of gaseous pollutants. However, the smoke dust often contains a large amount of solid particles, which easily cause the blockage of the whole equipment in the long-term use process, SO the smoke gas needs to be pretreated to remove the solid particles contained in the smoke gas, and the existing smoke pollutant treatment technologies, such as the dry-wet desulphurization process to remove SO2 and the selective catalytic reduction process to remove NOxActivated carbon adsorption of Hg and the like is mostly a simple combination of various independent technologies, the treatment methods have the advantages of high purification efficiency, mature technology and the like, and the existing selective catalytic reduction and selective non-catalytic reduction denitration processes need to add a reducing agent or a catalyst, so that the requirements on equipment are high, and the operation cost is high.
At present, the acquisition equipment for solid particle pollutants in flue gas has the problems of high investment and operating cost, large occupied area, large operation and maintenance workload, unstable standard discharge and easy generation of secondary pollution, and in order to solve the problems, the technical personnel in the field provide a flue gas pollutant acquisition device and a method.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a device and a method for collecting smoke pollutants, wherein a spraying mechanism is arranged in a collection box and comprises a liquid inlet pipe, a liquid dividing pipe, a liquid guide pipe and a spraying pipe, the back surface of the liquid dividing pipe is fixedly connected with the front surface of the collection box, the left end of the liquid dividing pipe is communicated with the liquid inlet pipe, a plurality of liquid guide pipes are communicated above the surface of the liquid dividing pipe, one ends of the liquid guide pipes are communicated with the spraying pipe, one ends of the spraying pipes penetrate through the collection box and extend into the collection box, one ends of the spraying pipes extending into the collection box are fixedly connected with the back surface of the inner wall of the collection box, spraying holes are formed below the surfaces of the spraying pipes, smoke enters the upper part of the interior of the collection box through an air inlet pipe, and meanwhile smoke treatment liquid enters the liquid dividing pipe through the liquid inlet pipe, flue gas treatment liquid in the liquid distribution pipe enters the inside of the plurality of spray pipes through the plurality of liquid guide pipes respectively, then the spray holes formed below the surface of the spray pipes are utilized to spray flue gas treatment liquid above the inner part of the collection box, the treatment liquid mixed dust and solid pollutants flow into the collection mechanism together, the collection mechanism comprises a fixed frame, a sealing movable door and a gas filtering component, the back of the fixed frame is fixedly connected with the inner wall of the collection box through bolts, the front side of the fixed frame is provided with an opening, the two positive sides of the collection box are hinged with the sealing movable door through hinges, the backs of the two sealing movable doors are communicated with the inside of the fixed frame, the gas filtering components are distributed in the fixed frame at equal intervals, the bottom ends of the gas filtering components are fixedly connected with the inner wall of the fixed frame through limiting frames, and flue gas treated by the flue gas treatment liquid and waste liquid containing the flue gas pollutants enter the plurality of liquid through holes inside the partition plates In the gas filtering component, the treated flue gas penetrates through the filter screen cylinder in the gas filtering component and the activated carbon in the filter screen cylinder, and the flue gas enters the lower part of the acquisition mechanism, so that the problems of high investment and operating cost, large occupied area, large operation and maintenance workload, unstable standard discharge and easy generation of secondary pollution of the conventional acquisition equipment for solid particle pollutants in the flue gas are solved.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a flue gas pollutant collecting device comprises a collecting box, a collecting mechanism, a spraying mechanism and a collecting mechanism, wherein the bottom of the collecting box is fixedly connected with the top of the collecting mechanism through a bolt, the collecting mechanism is arranged in the collecting box, the front of the collecting box is provided with the spraying mechanism, one end of the spraying mechanism penetrates through the collecting box and extends to the inside of the collecting box, the top of the collecting box is communicated with an air inlet pipe, an air outlet pipe is communicated with the lower portion of the right side of the collecting box, the spraying mechanism comprises a liquid inlet pipe, a liquid distribution pipe, a liquid guide pipe and a spraying pipe, the back of the liquid distribution pipe is fixedly connected with the front of the collecting box, the left end of the liquid distribution pipe is communicated with the liquid inlet pipe, a plurality of liquid guide pipes are communicated with the upper portion of the surface of the liquid distribution pipe, one ends of the liquid guide pipes are communicated with the spraying pipes, and one ends of the spraying pipes penetrate, one end of each of the plurality of spraying pipes extending into the collection box is fixedly connected with the back surface of the inner wall of the collection box, and spraying holes are formed below the surfaces of the plurality of spraying pipes; gather the mechanism including fixed frame, sealed dodge gate and strain the gas subassembly, the back of fixed frame passes through the back fixed connection of bolt and collection box inner wall, and the opening has been seted up in the front of fixed frame, the positive both sides of collection box all articulate through the hinge has sealed dodge gate, and the back of two sealed dodge gates all communicates with the inside of fixed frame, the inside equidistance distribution of fixed frame is provided with a plurality of and strains the gas subassembly, and the bottom of a plurality of strain the gas subassembly all through the inner wall fixed connection of spacing frame and fixed frame.
Preferably, the inside fixedly connected with baffle of collection box, and the global fixed connection all around with the collection box inner wall respectively of baffle, a plurality of through-hole has been seted up to the inside equidistance of baffle, and the top of a plurality of air filtering component respectively with the inside fixed connection of a plurality of through-hole.
Preferably, the spraying mechanism is positioned above the partition plate, and the collecting mechanism is positioned below the partition plate.
Preferably, the air filtering component comprises a fixed cylinder, a connecting cylinder, a filter screen cylinder and a gauze, the internal thread of the fixed cylinder is connected with the connecting cylinder, the bottom end of the connecting cylinder is fixedly connected with the gauze, the filter screen cylinder is arranged in the connecting cylinder, the top end of the filter screen cylinder is fixedly connected with the inner wall of the connecting cylinder through an elastic connecting column, and the inside of the filter screen cylinder is filled with activated carbon.
Preferably, the mechanism of gathering materials includes hopper, discharging pipe, collecting box, bolt fixed connection is passed through with the bottom of collection box in the top of hopper, and the bottom intercommunication of hopper has the discharging pipe, the below of hopper is provided with the collecting box, and the bottom of discharging pipe is through the top intercommunication of sealing flange with the collecting box.
Preferably, the interior of the hopper is respectively communicated with the interior of the collecting box, the discharging pipe and the interior of the collecting box, and the bottom of the collecting box is provided with a moving wheel.
Preferably, the bottom end of the air inlet pipe penetrates through the collection box and extends to the interior of the collection box, one end of the air inlet pipe extending to the interior of the collection box is located above the spraying mechanism, one end of the air outlet pipe penetrates through the collection box and extends to the interior of the collection box, and one end of the air outlet pipe extending to the interior of the collection box is located below the collection mechanism.
A method of a flue gas pollutant collecting device specifically comprises the following steps:
the method comprises the following steps that firstly, a flue gas conveying pipe is connected with the top end of a gas inlet pipe through a flange plate, meanwhile, a flue gas treatment liquid conveying pipe is connected with one end of a liquid inlet pipe of a spraying mechanism, and the gas inlet end of a sampling pump is connected with one end, located outside a collection box, of a gas outlet pipe;
secondly, the flue gas enters the upper part of the interior of the collection box through the gas inlet pipe, meanwhile, the flue gas treatment liquid enters the liquid distribution pipe through the liquid inlet pipe, the flue gas treatment liquid in the liquid distribution pipe respectively enters the interiors of the plurality of spray pipes through the plurality of liquid guide pipes, then, the flue gas treatment liquid is sprayed on the upper part of the interior of the collection box through the spray holes formed in the lower part of the surface of each spray pipe, the flue gas above the interior of the collection box is purified through the sprayed flue gas treatment liquid, and the flue gas treatment liquid adsorbs dust and solid pollutants in the flue gas;
step three, allowing the flue gas treated by the flue gas treatment liquid and the waste liquid containing flue gas pollutants to enter a plurality of gas filtering assemblies through holes in the partition plates;
step four, the treated flue gas penetrates through a filter screen cylinder in the gas filtering component and activated carbon in the filter screen cylinder, the flue gas enters the lower part of the collecting mechanism, a sampling pump sucks the flue gas below the collecting mechanism through an air outlet pipe, and waste liquid containing flue gas pollutants simultaneously enters the inside of the gas filtering component;
step five, the waste liquid enters the interior of the filter screen cylinder, solid pollutants contained in the waste liquid are blocked by the filter screen cylinder, the waste liquid is treated by using active carbon in the filter screen cylinder, finally the waste liquid passes through a gauze at the bottom end of the connecting cylinder and flows to the lower part of the interior of the collection box, and the treated waste liquid enters the interior of the collection box through the discharge pipe;
step six, opening two sealing movable doors on the front surface of the collection box, connecting the inner part of a fixed cylinder in the gas filtering assembly with the surface of a connecting cylinder in a threaded manner, taking out the connecting cylinder in each gas filtering assembly, placing each connecting cylinder upside down, pouring out the solid smoke pollutants in the connecting cylinders, and completing collection and treatment of the smoke pollutants;
seventhly, after the work of the acquisition device is completed each time, place every connecting cylinder in an inverted manner, flush from the bottom of the connecting cylinder to the inside, clear away the inside residual pollutant of the connecting cylinder, then, the clear water is introduced into the clear water through the liquid inlet pipe in the spraying mechanism, the clear water enters the liquid distribution pipe through the liquid inlet pipe, then, the liquid distribution pipe sends the clear water into every spray pipe through every catheter, the spray pipe sprays the clear water in the inside of the acquisition box, utilize the clear water to clear up the top surface of the partition plate and every air filtering component in the acquisition mechanism, the clear water flows through the inside of the acquisition mechanism, finally, the clear water passes through the hopper, the discharging pipe is discharged, and the concentrated purification treatment is carried out on the discharged clear water.
(III) advantageous effects
The invention provides a device and a method for collecting smoke pollutants. Compared with the prior art, the method has the following beneficial effects:
the flue gas pollutant collecting device is characterized in that a spraying mechanism is arranged in a collecting box, the spraying mechanism comprises a liquid inlet pipe, a liquid dividing pipe, liquid guide pipes and spraying pipes, the back surface of the liquid dividing pipe is fixedly connected with the front surface of the collecting box, the left end of the liquid dividing pipe is communicated with the liquid inlet pipe, a plurality of liquid guide pipes are communicated above the surface of the liquid dividing pipe, one ends of the liquid guide pipes are communicated with the spraying pipes, one ends of the spraying pipes penetrate through the collecting box and extend into the collecting box, one ends of the spraying pipes extending into the collecting box are fixedly connected with the back surface of the inner wall of the collecting box, spraying holes are formed below the surfaces of the spraying pipes, flue gas enters the upper part of the inner part of the collecting box through an air inlet pipe, meanwhile flue gas treatment liquid enters the liquid dividing pipe through the liquid inlet pipe, and flue gas treatment liquid in the liquid dividing pipe enters the inner parts of the spraying pipes through the liquid guide pipes, spraying flue gas treatment liquid above the interior of the collection box by using spraying holes formed below the surface of the spraying pipe, purifying the flue gas above the interior of the collection box by using the sprayed flue gas treatment liquid, and adsorbing dust and solid pollutants in the flue gas by using the flue gas treatment liquid, so that the dust and the solid pollutants in the flue gas can be effectively adsorbed, and the dust and the solid pollutants in the flue gas are absorbed by the flue gas treatment liquid;
the collecting mechanism comprises a fixed frame, sealing movable doors and air filtering components, the back of the fixed frame is fixedly connected with the back of the inner wall of a collecting box through bolts, the front of the fixed frame is provided with through holes, the two positive sides of the collecting box are hinged with the sealing movable doors through hinges, the backs of the two sealing movable doors are communicated with the inside of the fixed frame, a plurality of air filtering components are distributed in the fixed frame at equal intervals, the bottom ends of the air filtering components are fixedly connected with the inner wall of the fixed frame through limiting frames, flue gas treated by flue gas treatment liquid and waste liquid containing flue gas pollutants enter the air filtering components through holes in the partition plates, and the treated flue gas penetrates through a filter screen cylinder in the air filtering components and activated carbon in the filter screen cylinder, the flue gas enters the lower part of the collecting mechanism, the sampling pump pumps the flue gas below the collecting mechanism through the gas outlet pipe, waste liquid containing flue gas pollutants simultaneously enters the inside of the gas filtering component, the collection of the flue gas pollutants can be conveniently realized through the filter screen cylinder, dust and solid pollutants in the flue gas are left in the connecting cylinder, and the treated flue gas can smoothly enter the next treatment process;
the whole smoke pollutant collecting device is simple in structural design, and compared with the existing equipment, the equipment provided by the invention is low in investment and operation cost, small in equipment volume, simple to operate and use and free of secondary pollution.
Drawings
FIG. 1 is a schematic diagram of the structure of a flue gas pollutant collecting device according to the present invention;
FIG. 2 is a schematic view of the spray mechanism and collection box configuration of the present invention;
FIG. 3 is a schematic view of the spray mechanism configuration of the present invention;
FIG. 4 is a schematic view of the aggregate mechanism configuration of the present invention;
FIG. 5 is a schematic view of the collection mechanism and collection box configuration of the present invention;
FIG. 6 is a schematic view of the construction of the air filter assembly of the present invention;
fig. 7 is a cross-sectional view of the air filter assembly construction of the present invention.
In the figure, 1, a spraying mechanism; 11. a liquid inlet pipe; 12. a liquid separating pipe; 13. a catheter; 14. a shower pipe; 15. spraying holes; 2. a collection mechanism; 21. a fixing frame; 22. sealing the movable door; 23. a gas filtering assembly; 231. a fixed cylinder; 232. a connecting cylinder; 233. a filter screen cylinder; 234. a screen; 3. a material collecting mechanism; 31. a hopper; 32. a discharge pipe; 33. a collection box; 4. a collection box; 5. an air inlet pipe; 6. an air outlet pipe; 7. a partition plate; 8. and a through hole.
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. 1-7, the present invention provides a technical solution: a flue gas pollutant collecting device comprises a collecting box 4, a collecting mechanism 3, a spraying mechanism 1 and a collecting mechanism 2, wherein the bottom of the collecting box 4 is fixedly connected with the top of the collecting mechanism 3 through a bolt, the collecting mechanism 2 is arranged inside the collecting box 4, the spraying mechanism 1 is arranged on the front side of the collecting box 4, one end of the spraying mechanism 1 penetrates through the collecting box 4 and extends into the collecting box 4, the top of the collecting box 4 is communicated with an air inlet pipe 5, an air outlet pipe 6 is communicated below the right side of the collecting box 4, the spraying mechanism 1 comprises a liquid inlet pipe 11, a liquid distribution pipe 12, liquid guide pipes 13 and a spraying pipe 14, the back side of the liquid distribution pipe 12 is fixedly connected with the front side of the collecting box 4, the left end of the liquid distribution pipe 12 is communicated with the liquid inlet pipe 11, a plurality of liquid guide pipes 13 are communicated above the surface of the liquid distribution pipe 12, and one ends of the plurality of the, one end of a plurality of spray pipes 14 all runs through collection box 4 and extends to the inside of collection box 4, and a plurality of spray pipes 14 extend to the inside one end of collection box 4 all with the back fixed connection of collection box 4 inner wall, spray hole 15 has all been seted up to the below on a plurality of spray pipes 14 surface, collection mechanism 2 includes fixed frame 21, sealed dodge gate 22 and strain gas subassembly 23, the back fixed connection of bolt and collection box 4 inner wall is passed through at the back of fixed frame 21, and the opening has been seted up on the front of fixed frame 21, the positive both sides of collection box 4 all articulate through the hinge has sealed dodge gate 22, and the back of two sealed dodge gates 22 all communicates with the inside of fixed frame 21, the inside equidistance distribution of fixed frame 21 is provided with a plurality of and strains gas subassembly 23, and the bottom of a plurality of strain gas subassembly 23 all is through spacing and fixed frame 21's inner wall fixed connection.
The inside fixedly connected with baffle 7 of collection box 4, and baffle 7 global respectively with collection box 4 inner wall fixed connection all around, a plurality of through-hole 8 has been seted up to the inside equidistance of baffle 7, and the top of a plurality of strain gas subassembly 23 respectively with the inside fixed connection of a plurality of through-hole 8.
The spraying mechanism 1 is positioned above the partition plate 7, and the collecting mechanism 2 is positioned below the partition plate 7.
The air filtering component 23 comprises a fixed cylinder 231, a connecting cylinder 232, a filter screen cylinder 233 and a gauze 234, the internal thread of the fixed cylinder 231 is connected with the connecting cylinder 232, the bottom end of the inside of the connecting cylinder 232 is fixedly connected with the gauze 234, the inside of the connecting cylinder 232 is provided with the filter screen cylinder 233, the top end of the filter screen cylinder 233 is fixedly connected with the inner wall of the connecting cylinder 232 through an elastic connecting column, and the inside of the filter screen cylinder 233 is filled with activated carbon.
The collecting mechanism 3 comprises a hopper 31, a discharge pipe 32 and a collecting box 33, the top end of the hopper 31 is fixedly connected with the bottom end of the collecting box 4 through a bolt, the bottom end of the hopper 31 is communicated with the discharge pipe 32, the collecting box 33 is arranged below the hopper 31, and the bottom end of the discharge pipe 32 is communicated with the top end of the collecting box 33 through a sealing flange.
The hopper 31 is communicated with the collecting box 4, the discharging pipe 32 and the collecting box 33, and the bottom of the collecting box 33 is provided with a moving wheel.
The bottom of intake pipe 5 runs through collection box 4 and extends to the inside of collection box 4, and intake pipe 5 extends to the inside one end of collection box 4 and is located the top that sprays mechanism 1, and the inside of collection box 4 and extension to collection box 4 is run through to the one end of outlet duct 6, and the one end that outlet duct 6 extended to collection box 4 inside is located the below of gathering mechanism 2.
A method of a flue gas pollutant collecting device specifically comprises the following steps:
firstly, a flue gas conveying pipe is connected with the top end of an air inlet pipe 5 through a flange plate, meanwhile, a flue gas treatment liquid conveying pipe is connected with one end of an air inlet pipe 11 of a spraying mechanism 1, a flue gas treatment liquid is a mixture of sodium alkali and lime, the sodium alkali is used as a desulfurizing agent, the lime is used as a regenerating agent, and the air inlet end of a sampling pump is connected with one end, located outside a collection box 4, of an air outlet pipe 6;
secondly, the flue gas enters the upper part of the inner part of the collection box 4 through the gas inlet pipe 5, meanwhile, the flue gas treatment liquid enters the liquid distribution pipe 12 through the liquid inlet pipe 11, the flue gas treatment liquid in the liquid distribution pipe 12 respectively enters the inner parts of the plurality of spray pipes 14 through the plurality of liquid guide pipes 13, then the flue gas treatment liquid is sprayed on the upper part of the inner part of the collection box 4 through the spray holes 15 formed in the lower part of the surface of the spray pipes 14, the flue gas above the inner part of the collection box 4 is purified through the sprayed flue gas treatment liquid, and the flue gas treatment liquid adsorbs dust and solid pollutants in the flue gas;
step three, the flue gas treated by the flue gas treatment liquid and the waste liquid containing flue gas pollutants enter a plurality of gas filtering assemblies 23 through holes 8 in the partition plates 7;
step four, the treated flue gas penetrates through the filter screen cylinder 233 in the gas filtering component 23 and the activated carbon in the filter screen cylinder 233, the flue gas enters the lower part of the acquisition mechanism 2, the sampling pump sucks the flue gas below the acquisition mechanism 2 through the gas outlet pipe 6, and the waste liquid containing the flue gas pollutants simultaneously enters the inside of the gas filtering component 23;
step five, the waste liquid enters the interior of the filter screen cylinder 233, solid pollutants contained in the waste liquid are blocked by the filter screen cylinder 233, the waste liquid is treated by using activated carbon in the filter screen cylinder 233, finally the waste liquid flows to the lower part of the interior of the collection box 4 through a gauze 234 at the bottom end of the connecting cylinder 232, and the treated waste liquid enters the interior of the collection box 33 through the discharge pipe 32;
step six, opening the two sealing movable doors 22 on the front surface of the collection box 4, connecting the inner part of the fixed cylinder 231 in the air filtering assembly 23 with the surface of the connecting cylinder 232 through threads, taking out the connecting cylinder 232 in each air filtering assembly 23, placing each connecting cylinder 232 upside down, pouring out the solid smoke pollutants in the connecting cylinder 232, and completing collection and treatment of the smoke pollutants;
seventhly, after the collection device works each time, placing each connecting cylinder 232 in an inverted mode, flushing water from the bottom end of each connecting cylinder 232 to the inside, removing pollutants remained in the connecting cylinders 232, introducing clean water into the liquid inlet pipe 11 in the spraying mechanism 1, enabling the clean water to enter the liquid distribution pipe 12 through the liquid inlet pipe 11, enabling the liquid distribution pipe 12 to send the clean water into each spraying pipe 14 through each liquid guide pipe 13, spraying the clean water into the collection box 4 through the spraying pipes 14, cleaning the top surface of the partition plate 7 and each air filtering component 23 in the collection mechanism 2 through the clean water, enabling the clean water to flow through the inside of the collection mechanism 2, finally discharging the clean water through the hopper 31 and the discharge pipe 32, and performing centralized purification treatment on the discharged clean water.
And those not described in detail in this specification are well within the skill of those in the art.
The method of the flue gas pollutant collecting device comprises the following steps:
connecting a flue gas conveying pipe with the top end of the gas inlet pipe 5 through a flange plate, connecting a flue gas treatment liquid conveying pipe with one end of a liquid inlet pipe 11 of the spraying mechanism 1, and connecting a gas inlet end of a sampling pump with one end of a gas outlet pipe 6 positioned outside the collecting box 4;
flue gas enters the upper part of the inner part of the collection box 4 through the gas inlet pipe 5, meanwhile, flue gas treatment liquid enters the liquid distribution pipe 12 through the liquid inlet pipe 11, the flue gas treatment liquid in the liquid distribution pipe 12 respectively enters the inner parts of the plurality of spray pipes 14 through the plurality of liquid guide pipes 13, then, the flue gas treatment liquid is sprayed on the upper part of the inner part of the collection box 4 through the spray holes 15 formed in the lower part of the surface of each spray pipe 14, the flue gas above the inner part of the collection box 4 is purified through the sprayed flue gas treatment liquid, and the flue gas treatment liquid adsorbs dust and solid pollutants in the flue gas;
the flue gas treated by the flue gas treatment liquid and the waste liquid containing flue gas pollutants enter the plurality of gas filtering assemblies 23 through the through holes 8 in the partition plates 7;
the treated flue gas penetrates through the filter screen cylinder 233 in the gas filtering component 23 and the activated carbon in the filter screen cylinder 233, the flue gas enters the lower part of the acquisition mechanism 2, the sampling pump sucks the flue gas below the acquisition mechanism 2 through the gas outlet pipe 6, and waste liquid containing flue gas pollutants simultaneously enters the inside of the gas filtering component 23;
the waste liquid enters the inside of the filter screen cylinder 233, solid pollutants contained in the waste liquid are blocked by the filter screen cylinder 233, the waste liquid is treated by using activated carbon in the filter screen cylinder 233, finally the waste liquid passes through the gauze 234 at the bottom end of the connecting cylinder 232 and flows to the lower part of the inside of the collection box 4, and the treated waste liquid enters the inside of the collection box 33 through the discharge pipe 32;
opening the two sealing movable doors 22 on the front surface of the collection box 4, connecting the inner part of the fixed cylinder 231 in the air filtering assembly 23 with the surface of the connecting cylinder 232 in a threaded manner, taking out the connecting cylinder 232 in each air filtering assembly 23, placing each connecting cylinder 232 upside down, pouring out the solid smoke pollutants in the connecting cylinder 232, and completing collection and treatment of the smoke pollutants;
after the work of collection system at every turn is accomplished, place every connecting cylinder 232 handstand, wash by water to inside from the bottom of connecting cylinder 232, clear away the inside remaining pollutant of connecting cylinder 232, then through leading in the clear water to the feed liquor pipe 11 in the mechanism 1 that sprays, the clear water passes through feed liquor pipe 11 and gets into in dividing liquid pipe 12, divide liquid pipe 12 to send the clear water into every shower 14 through every catheter 13 after that, shower 14 sprays the clear water in the inside of collection box 4, utilize the clear water to clear up the top surface of baffle 7 and every filtration gas subassembly 23 in the mechanism 2 of collection, the clear water flows through the inside of collection mechanism 2, the final clear water passes through hopper 31, discharging pipe 32 discharges, carry out centralized purification to the clear water of discharging.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a smoke pollutants collection system, includes vasculum (4), the mechanism (3) that gathers materials, sprays mechanism (1) and collection mechanism (2), bolt fixed connection is passed through with the top of the mechanism (3) that gathers materials to the bottom of vasculum (4), and the inside of vasculum (4) is provided with collection mechanism (2), the front of vasculum (4) is provided with sprays mechanism (1), and the one end that sprays mechanism (1) runs through vasculum (4) and extends to the inside of vasculum (4), the top intercommunication of vasculum (4) has intake pipe (5), and the below intercommunication on vasculum (4) right side has outlet duct (6), its characterized in that:
the spraying mechanism (1) comprises a liquid inlet pipe (11), a liquid dividing pipe (12), liquid guide pipes (13) and spraying pipes (14), the back face of the liquid dividing pipe (12) is fixedly connected with the front face of the collection box (4), the left end of the liquid dividing pipe (12) is communicated with the liquid inlet pipe (11), a plurality of liquid guide pipes (13) are communicated above the surface of the liquid dividing pipe (12), one ends of the liquid guide pipes (13) are communicated with the spraying pipes (14), one ends of the spraying pipes (14) penetrate through the collection box (4) and extend to the interior of the collection box (4), one ends of the spraying pipes (14) extending to the interior of the collection box (4) are fixedly connected with the back face of the inner wall of the collection box (4), and spraying holes (15) are formed below the surface of the spraying pipes (14);
gather mechanism (2) including fixed frame (21), sealed dodge gate (22) and strain gas subassembly (23), the back fixed connection of bolt and collection box (4) inner wall is passed through at the back of fixed frame (21), and the opening has been seted up in the front of fixed frame (21), the positive both sides of collection box (4) all articulate through the hinge has sealed dodge gate (22), and the back of two sealed dodge gates (22) all communicates with the inside of fixed frame (21), the inside equidistance distribution of fixed frame (21) is provided with a plurality of and strains gas subassembly (23), and the bottom of a plurality of strain gas subassembly (23) all through the inner wall fixed connection of spacing and fixed frame (21).
2. The flue gas pollutant collecting device of claim 1, characterized in that: the inner portion of the collection box (4) is fixedly connected with a partition plate (7), the periphery of the partition plate (7) is fixedly connected with the periphery of the inner wall of the collection box (4) respectively, a plurality of through holes (8) are formed in the partition plate (7) in an equidistant mode, and the top ends of a plurality of air filtering assemblies (23) are fixedly connected with the inner portions of the through holes (8) respectively.
3. The flue gas pollutant collecting device of claim 1, characterized in that: the spraying mechanism (1) is located above the partition plate (7), and the collecting mechanism (2) is located below the partition plate (7).
4. The flue gas pollutant collecting device of claim 1, characterized in that: the air filtering component (23) comprises a fixed cylinder (231), a connecting cylinder (232), a filter screen cylinder (233) and a gauze (234), the internal thread of the fixed cylinder (231) is connected with the connecting cylinder (232), the bottom end of the connecting cylinder (232) is fixedly connected with the gauze (234), the inside of the connecting cylinder (232) is provided with the filter screen cylinder (233), the top end of the filter screen cylinder (233) is fixedly connected with the inner wall of the connecting cylinder (232) through an elastic connecting column, and the inside of the filter screen cylinder (233) is filled with activated carbon.
5. The flue gas pollutant collecting device of claim 1, characterized in that: the collecting mechanism (3) comprises a hopper (31), a discharge pipe (32) and a collecting box (33), the top end of the hopper (31) is fixedly connected with the bottom end of the collecting box (4) through a bolt, the discharge pipe (32) is communicated with the bottom end of the hopper (31), the collecting box (33) is arranged below the hopper (31), and the bottom end of the discharge pipe (32) is communicated with the top end of the collecting box (33) through a sealing flange.
6. The flue gas pollutant collecting device of claim 5, wherein: the hopper (31) is communicated with the collecting box (4), the discharging pipe (32) and the collecting box (33) respectively, and the bottom of the collecting box (33) is provided with a moving wheel.
7. The flue gas pollutant collecting device of claim 1, characterized in that: the bottom end of the air inlet pipe (5) penetrates through the collection box (4) and extends to the inside of the collection box (4), the air inlet pipe (5) extends to the position, above the spraying mechanism (1), of one end inside the collection box (4), one end of the air outlet pipe (6) penetrates through the collection box (4) and extends to the inside of the collection box (4), and the end, extending to the inside of the collection box (4), of the air outlet pipe (6) is located below the collection mechanism (2).
8. A method of a flue gas pollutant collecting device is characterized in that: the method specifically comprises the following steps:
firstly, a flue gas conveying pipe is connected with the top end of an air inlet pipe (5) through a flange plate, meanwhile, a flue gas treatment liquid conveying pipe is connected with one end of a liquid inlet pipe (11) of a spraying mechanism (1), and the air inlet end of a sampling pump is connected with one end, located outside a collection box (4), of an air outlet pipe (6);
secondly, the flue gas enters the upper part of the interior of the collection box (4) through the gas inlet pipe (5), meanwhile, the flue gas treatment liquid enters the liquid distribution pipe (12) through the liquid inlet pipe (11), the flue gas treatment liquid in the liquid distribution pipe (12) respectively enters the interiors of a plurality of spray pipes (14) through a plurality of liquid guide pipes (13), then the flue gas treatment liquid is sprayed on the upper part of the interior of the collection box (4) through spray holes (15) formed in the lower part of the surface of each spray pipe (14), the flue gas above the interior of the collection box (4) is purified through the sprayed flue gas treatment liquid, and the flue gas treatment liquid adsorbs dust and solid pollutants in the flue gas;
thirdly, the flue gas treated by the flue gas treatment liquid and the waste liquid containing the flue gas pollutants enter a plurality of gas filtering assemblies (23) through holes (8) in the partition plates (7);
step four, the treated flue gas penetrates through a filter screen cylinder (233) in the gas filtering component (23) and activated carbon in the filter screen cylinder (233), the flue gas enters the lower part of the collecting mechanism (2), a sampling pump pumps the flue gas below the collecting mechanism (2) through an air outlet pipe (6), and waste liquid containing flue gas pollutants simultaneously enters the inside of the gas filtering component (23);
step five, the waste liquid enters the interior of the filter screen cylinder (233), solid pollutants contained in the waste liquid are blocked by the filter screen cylinder (233), the waste liquid is treated by using activated carbon in the filter screen cylinder (233), finally the waste liquid passes through a gauze (234) at the bottom end of the connecting cylinder (232) and flows to the lower part of the interior of the collection box (4), and the treated waste liquid enters the interior of the collection box (33) through the discharge pipe (32);
sixthly, opening two sealing movable doors (22) on the front surface of the collection box (4), connecting the interior of a fixed cylinder (231) in each air filtering assembly (23) with the surface of a connecting cylinder (232) in a threaded manner, taking out the connecting cylinder (232) in each air filtering assembly (23), placing each connecting cylinder (232) in an inverted manner, pouring out solid smoke pollutants in the connecting cylinders (232), and completing collection and treatment of the smoke pollutants;
seventhly, after the collection device finishes each work, each connecting cylinder (232) is placed in an inverted mode, water is flushed from the bottom end of each connecting cylinder (232) to the inside, pollutants remained in the connecting cylinders (232) are removed, then clean water is introduced into a liquid inlet pipe (11) in the spraying mechanism (1) and enters a liquid separating pipe (12) through the liquid inlet pipe (11), then the liquid separating pipe (12) sends clean water into each spraying pipe (14) through each liquid guiding pipe (13), the clear water is sprayed inside the collection box (4) by the spraying pipe (14), the top surface of the partition plate (7) and each air filtering component (23) in the collection mechanism (2) are cleaned by the clear water, the clear water flows through the inside of the collection mechanism (2), and finally the clear water is discharged through the hopper (31) and the discharge pipe (32), so that the discharged clear water is subjected to centralized purification treatment.
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| CN202011554119.5A CN112843951B (en) | 2020-12-24 | 2020-12-24 | Flue gas pollutant collecting device and method |
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