CN210786872U

CN210786872U - Special flue gas purification equipment of biomass boiler

Info

Publication number: CN210786872U
Application number: CN201921708887.4U
Authority: CN
Inventors: 樊祥德; 王建民; 翟俊男
Original assignee: Gansu Lanqiao Environmental Engineering Co ltd
Current assignee: Gansu Lanqiao Environmental Engineering Co ltd
Priority date: 2019-10-13
Filing date: 2019-10-13
Publication date: 2020-06-19
Anticipated expiration: 2029-10-13

Abstract

The utility model discloses a special gas cleaning equipment of biomass boiler, the power distribution box comprises a box body, the cooling tank, atomizer, the liquid storage pot, the drier layer, activated carbon layer and adsorbed layer, the left side fixedly connected with intake pipe of box, the cover is equipped with the cooling tank in the intake pipe, the inside arrangement of box has atomizer, atomizer passes through the shower nozzle pipe and communicates each other with the liquid storage pot, atomizer's the left and right sides all settles and have first baffle and second baffle, settle on the right side of the inside cavity of box has the drier layer, the right side of drier layer is provided with the activated carbon layer, activated carbon layer's right side is provided with the adsorbed layer, the right side fixedly connected with outlet duct of box. The utility model discloses a box, cooling tank, atomizer, liquid storage pot, drier layer, activated carbon layer and the adsorbed layer that sets up have solved the direct emission of high temperature flue gas that produces in the air, and the heat of high temperature flue gas not only leads to the air circumstance temperature to rise to and the harmful substance that contains in the flue gas will cause the problem of destruction to the environment.

Description

Special flue gas purification equipment of biomass boiler

Technical Field

The utility model relates to a boiler flue gas treatment technical field specifically is a special gas cleaning equipment of biomass boiler.

Background

The boiler using biomass energy as fuel is called a biomass boiler, the efficiency of the biomass boiler is generally over 80 percent, the boiler is large in size, the combustion is more sufficient, the efficiency of the boiler is higher, the highest efficiency reaches 88.3 percent, and the average efficiency level is higher than that of a coal-fired boiler by 15 percent. However, high-temperature flue gas generated by the existing biomass boiler is directly discharged into the air, the heat of the high-temperature flue gas not only causes the ambient temperature of the air to rise, but also causes damage to the environment by harmful substances contained in the flue gas, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a special gas cleaning equipment of biomass boiler has solved the direct emission of high temperature flue gas that produces in the air, and the heat of high temperature flue gas not only leads to air circumstance temperature to rise to and the harmful substance that contains in the flue gas will cause the problem of destruction to the environment.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special gas cleaning equipment of biomass boiler, includes box, cooling tank, atomizer, liquid storage pot, drier layer, active carbon layer and adsorbed layer, the left side fixedly connected with intake pipe of box, the cover is equipped with the cooling tank in the intake pipe, the inside arrangement of box has atomizer, atomizer passes through the shower nozzle pipe and communicates each other with the liquid storage pot, the left and right sides of atomizer all settles and has first baffle and second baffle, the right side of the inside cavity of box settles and has the drier layer, the right side of drier layer is provided with the active carbon layer, the right side of active carbon layer is provided with the adsorbed layer, the right side fixedly connected with outlet duct of box, the lower part fixedly connected with drain pipe of box.

Preferably, box and cooling tank fixed connection, the intake pipe runs through the jar body of cooling tank, fixedly connected with inlet tube and outlet pipe on the cooling tank, and the inlet tube extends to the inside length of cooling tank and is greater than the length of outlet pipe.

Preferably, the lower part of the first baffle is fixedly connected to the inner wall of the lower part of the box body, the upper part of the second baffle is fixedly connected to the inner wall of the upper part of the box body, and the first baffle and the second baffle are symmetrically distributed around the spray head pipe.

Preferably, first baffle and second baffle size are the same, and the height of first baffle and second baffle all is less than the interval between the upper and lower inner wall of box, mutual staggered distribution between first baffle and the second baffle.

Preferably, the atomizer is equidistant distributes on the shower nozzle pipe, and atomizer and shower nozzle pipe communicate each other, the shower nozzle pipe runs through the upper portion tank wall of box, the one end that the shower nozzle pipe is from the atomizer communicates each other with the liquid outlet of liquid storage pot, the upper portion fixedly connected with liquid feeding pipe of liquid storage pot.

Preferably, drier layer, activated carbon layer and adsorbed layer are all settled between the isolation filter screen, keep apart the inner wall fixed connection that the filter screen passes through fixing base and box, it has evenly distributed's drier granule to fill in the drier layer, it has evenly distributed's activated carbon granule to fill in the activated carbon layer, be provided with cellular adsorption resin in the adsorbed layer.

(III) advantageous effects

The utility model provides a special gas cleaning equipment of biomass boiler possesses following beneficial effect:

1. the utility model discloses, through the cooling tank that sets up, when the high temperature flue gas is through cooling tank inside one section, the inside cold water of cooling tank carries out the transduction with the inside high temperature flue gas of intake pipe, by outlet pipe discharge cooling tank behind the cold water transduction, and carry new cold water by the inlet tube in to the cooling tank, thereby the temperature of quick reduction flue gas, the direct outer external environment that influences of flue gas of avoiding the high temperature, the direct emission of high temperature flue gas of having solved the production is in the air, the heat of high temperature flue gas not only leads to the problem that air circumstance temperature risees.

2. The utility model discloses, through the first baffle that sets up, the second baffle, atomizer, the liquid storage pot, the drier layer, activated carbon layer and adsorbed layer, the flue gas utilizes first baffle and second baffle reduce speed in getting into the box, thereby separate out the large granule impurity in its flue gas, when the flue gas enters into atomizer's below, the sodium hydroxide solution of liquid storage pot inside is transported to atomizer by the shower nozzle pipe and is erupted, sulfur dioxide compound in the flue gas is clear away to the contact reaction of atomizing spun sodium hydroxide solution and flue gas, thereby utilize the quick processing of sodium hydroxide solution to separate out sulfur dioxide compound in the flue gas, thereby avoid sulfur dioxide compound in the flue gas to arrange the polluted environment outward, then the flue gas passes drier layer, activated carbon layer and adsorbed layer in proper order, the moisture in the flue gas is used for adsorbing to the drier layer, activated carbon layer filters and adsorbs the tiny particle impurity in the flue gas, and adsorb the peculiar smell in the flue gas, the adsorption layer adsorbs impurity such as metal ion in handling the flue gas, and the flue gas after final processing is discharged the box from the outlet duct to quick carry out purification treatment to its flue gas, avoid the direct external emission of flue gas to pollute the environment, solved the harmful substance that contains in the flue gas and will cause the problem of destruction to the environment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cooling tank of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the connection between the atomizing nozzle and the liquid storage tank of fig. 1 according to the present invention.

The reference numbers in the figures are: 1. a box body; 2. an air inlet pipe; 3. a cooling tank; 4. a first baffle plate; 5. a second baffle; 6. an atomizing spray head; 7. a nozzle tube; 8. a liquid storage tank; 9. a liquid outlet pipe; 10. a desiccant layer; 11. an activated carbon layer; 12. an adsorption layer; 13. isolating the filter screen; 14. a fixed seat; 15. an air outlet pipe; 16. a water inlet pipe; 17. a water outlet pipe; 18. a liquid feeding pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is shown; a special flue gas purification device for a biomass boiler comprises a box body 1, a cooling tank 3, an atomizer 6, a liquid storage tank 8, a desiccant layer 10, an active carbon layer 11 and an adsorption layer 12, wherein an air inlet pipe 2 is fixedly connected to the left side of the box body 1, so that flue gas generated by the boiler can be conveyed to the inside of the box body 1 to be processed by the air inlet pipe 2, the cooling tank 3 is sleeved on the air inlet pipe 2, cold water in the cooling tank 3 can be used for transducing with the flue gas in the air inlet pipe 2, so as to cool the flue gas conveyed in the air inlet pipe 2, the atomizer 6 is arranged in the box body 1 and is communicated with the liquid storage tank 8 through a nozzle pipe 7, so that sodium hydroxide solution contained in the liquid storage tank 8 can be conveyed to the atomizer 6 from a nozzle pipe 7, the sodium hydroxide solution is sprayed out by the atomizer 6 to be contacted and fused with the flue gas, so, the left side and the right side of the atomizing spray head 6 are provided with the first baffle 4 and the second baffle 5, which is convenient for reducing the flue gas conveying speed by utilizing the first baffle 4 and the second baffle 5, thereby leading large particle impurities in the smoke to fall on the inner wall of the bottom of the box body 1, arranging a drying agent layer 10 at the right side of the cavity in the box body 1 for absorbing moisture in the smoke, thereby drying the smoke, the right side of the drying agent layer 10 is provided with an active carbon layer 11 for filtering and adsorbing small particle impurities in the smoke, and adsorb the peculiar smell in the flue gas, the right side of activated carbon layer 11 is provided with adsorption layer 12, adsorb impurity such as metal ion in the flue gas and handle, the right side fixedly connected with outlet duct 15 of box 1, outlet duct 15 is convenient for discharge the flue gas after its processing out of box 1, the lower part fixedly connected with drain pipe 9 of box 1, drain pipe 9 is convenient for discharge the sodium hydroxide solution of collecting up in its box 1 lower part.

Further, box 1 and cooling tank 3 fixed connection, be convenient for fix its cooling tank 3 on box 1, intake pipe 2 runs through the jar body of cooling tank 3, the intake pipe 2 that runs through the setting is convenient for cooling tank 3 carries out inside flue gas cooling to it, fixedly connected with inlet tube 16 and outlet pipe 17 on the cooling tank 3, and inlet tube 16 extends to the length that cooling tank 3 is inside and is greater than the length of outlet pipe 17, be convenient for utilize inlet tube 16 to the inside cold water of carrying of cooling tank 3, and use outlet pipe 17 to discharge cooling tank 3 with the cold water after its transduction, thereby accomplish the circulation of the inside cold water of cooling tank 3.

Further, the lower part of the first baffle 4 is fixedly connected to the inner wall of the lower part of the box body 1, the upper part of the second baffle 5 is fixedly connected to the inner wall of the upper part of the box body 1, so that the first baffle 4 and the second baffle 5 are fixedly arranged in the box body 1, the first baffle 4 and the second baffle 5 are symmetrically distributed about the nozzle pipe 7, and the first baffle 4 and the second baffle 5 are conveniently used for isolating the part of the cavity in the box body 1 where the atomizing nozzle 6 is located.

Further, the first baffle 4 and the second baffle 5 are the same in size, the heights of the first baffle 4 and the second baffle 5 are smaller than the distance between the upper inner wall and the lower inner wall of the box body 1, the first baffle 4 and the second baffle 5 are distributed in a staggered mode, the inner cavity of the box body 1 is conveniently isolated by the first baffle 4 and the second baffle 5, and therefore a spray treatment area is formed.

Further, 6 equidistant distributions of atomizer are on shower nozzle pipe 7, and atomizer 6 and shower nozzle pipe 7 communicate each other, shower nozzle pipe 7 runs through the upper portion tank wall of box 1, the one end that atomizer 6 deviates from of shower nozzle pipe 7 communicates each other with the liquid outlet of liquid storage pot 8, the upper portion fixedly connected with liquid feeding pipe 18 of liquid storage pot 8, be convenient for utilize shower nozzle pipe 7 to carry the inside sodium hydroxide solution of its liquid storage pot 8 and spout in atomizer 6, liquid feeding pipe 18 is convenient for to the inside sodium hydroxide solution that adds of liquid storage pot 8, and be provided with the delivery pump of sodium hydroxide solution in the liquid storage pot 8.

Further, the desiccant layer 10, the activated carbon layer 11 and the adsorption layer 12 are all arranged between the isolation filter screens 13, the isolation filter screens 13 are fixedly connected with the inner wall of the box body 1 through the fixing seats 14, the desiccant layer 10 is convenient to use through the isolation filter screens 13 and the fixing seats 14, the activated carbon layer 11 and the adsorption layer 12 are fixedly arranged in the inner cavity of the box body 1, uniformly distributed desiccant particles are filled in the desiccant layer 10 and used for adsorbing moisture and drying smoke, uniformly distributed activated carbon particles are filled in the activated carbon layer 11 and used for adsorbing small particle impurities and peculiar smell of the smoke, cellular adsorption resin is arranged in the adsorption layer 12 and used for adsorbing metal ion particles and other ion impurities in the smoke.

The working principle is as follows: when the device is used, the air inlet pipe 2 is directly connected to a boiler flue gas discharge pipeline, flue gas is conveyed to the box body 1 from the air inlet pipe 2, when high-temperature flue gas passes through one section inside the cooling tank 3, cold water inside the cooling tank 3 and the high-temperature flue gas inside the air inlet pipe 2 are subjected to energy conversion, the cold water is discharged out of the cooling tank 3 through the water outlet pipe 17 after energy conversion, new cold water is conveyed into the cooling tank 3 through the water inlet pipe 16, the flue gas enters the box body 1 and is reduced in speed by the aid of the first baffle plate 4 and the second baffle plate 5, when the flue gas enters the lower part of the atomizing spray head 6, sodium hydroxide solution inside the liquid storage tank 8 is conveyed to the atomizing spray head 6 through the spray head pipe 7 to be sprayed out, the sodium hydroxide solution sprayed out in an atomizing mode is in contact with the flue gas to react to remove sulfur dioxide compounds in the flue gas, the sodium hydroxide, Active carbon layer 11 and adsorbed layer 12, drier layer 10 is used for adsorbing the moisture in the flue gas, and active carbon layer 11 filters and adsorbs the tiny particle impurity in the flue gas to adsorb the peculiar smell in the flue gas, impurities such as metal ion in the flue gas are removed in adsorbed layer 12 adsorption treatment, and the flue gas after final treatment is from outlet duct 15 discharge box 1.

To sum up, the utility model discloses a box 1, cooling tank 3, atomizer 6, liquid storage pot 8, drier layer 10, activated carbon layer 11 and adsorbed layer 12 that set up have solved the direct emission of high temperature flue gas that produces in the air, and the heat of high temperature flue gas not only leads to air circumstance temperature to rise to and the harmful substance that contains in the flue gas will cause the problem of destruction to the environment.

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

1. The utility model provides a special gas cleaning equipment of biomass boiler, includes box (1), cooling tank (3), atomizer (6), liquid storage pot (8), drier layer (10), activated carbon layer (11) and adsorbed layer (12), its characterized in that: the utility model discloses a refrigerator, including box (1), inlet pipe (2), cooling tank (3) are overlapped to the left side fixedly connected with intake pipe of box (1), the cover is equipped with on intake pipe (2), the inside arrangement of box (1) has atomizer (6), atomizer (6) communicate each other with liquid storage pot (8) through shower nozzle pipe (7), the left and right sides of atomizer (6) all settles and have first baffle (4) and second baffle (5), the right side of box (1) inner chamber settles and has drier layer (10), the right side of drier layer (10) is provided with activated carbon layer (11), the right side of activated carbon layer (11) is provided with adsorbed layer (12), the right side fixedly connected with outlet duct (15) of box (1), the lower part fixedly connected with drain pipe (9) of box (1).

2. The special flue gas purification equipment for the biomass boiler according to claim 1, characterized in that: box (1) and cooling tank (3) fixed connection, the jar body of cooling tank (3) is run through in intake pipe (2), fixedly connected with inlet tube (16) and outlet pipe (17) are gone up in cooling tank (3), and inlet tube (16) extend to the inside length of cooling tank (3) and are greater than the length of outlet pipe (17).

3. The special flue gas purification equipment for the biomass boiler according to claim 1, characterized in that: the lower part of the first baffle (4) is fixedly connected to the inner wall of the lower part of the box body (1), the upper part of the second baffle (5) is fixedly connected to the inner wall of the upper part of the box body (1), and the first baffle (4) and the second baffle (5) are symmetrically distributed about the spray head pipe (7).

4. The special flue gas purification equipment for the biomass boiler according to claim 3, wherein: the size of first baffle (4) and second baffle (5) is the same, and the height of first baffle (4) and second baffle (5) all is less than the interval between the upper and lower inner wall of box (1), mutual dislocation distribution between first baffle (4) and second baffle (5).

5. The special flue gas purification equipment for the biomass boiler according to claim 1, characterized in that: the utility model discloses a liquid storage tank, including atomizer (6), spray head pipe (7), upper portion tank wall, one end that atomizer (6) deviates from atomizer (6) and the liquid outlet of liquid storage pot (8) communicate each other, the upper portion fixedly connected with liquid feeding pipe (18) of liquid storage pot (8).

6. The special flue gas purification equipment for the biomass boiler according to claim 1, characterized in that: desiccant layer (10), activated carbon layer (11) and adsorbed layer (12) all settle between isolation filter screen (13), keep apart inner wall fixed connection that filter screen (13) pass through fixing base (14) and box (1), it has evenly distributed's drier granule to fill in desiccant layer (10), it has evenly distributed's activated carbon granule to fill in activated carbon layer (11), be provided with cellular adsorption resin in adsorbed layer (12).