CN211216171U - Integrated high-molecular dry-method denitration agent conveying equipment - Google Patents
Integrated high-molecular dry-method denitration agent conveying equipment Download PDFInfo
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- CN211216171U CN211216171U CN201921684790.4U CN201921684790U CN211216171U CN 211216171 U CN211216171 U CN 211216171U CN 201921684790 U CN201921684790 U CN 201921684790U CN 211216171 U CN211216171 U CN 211216171U
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Abstract
The utility model relates to an integrated form polymer dry process denitration agent conveying equipment, including integrated little feed bin in same equipment box, big feed bin and mixing cabin, be connected with on the little feed bin and inhale the material pipe and inhale the material motor, big feed bin links to each other with the discharge gate of little feed bin, and install the stirring auger in the big feed bin, the discharge gate of big feed bin passes through ejection of compact auger and links to each other with mixing cabin, be connected with roots's fan and venturi on the mixing cabin respectively, venturi's export is connected with denitration agent pipeline, the tip of denitration agent conveyer pipe is connected with a plurality of spray guns that stretch into in the denitration furnace through two at least spherical distributors. The utility model provides a polymer dry powder denitration agent conveying equipment simple structure, comprehensive cost is low, and conveying method convenient operation realizes the automatic transport of denitration agent, has reduced intensity of labour, has improved conveying efficiency to and the utilization ratio of denitration agent.
Description
Technical Field
The utility model belongs to the technical field of polymer dry process denitration agent carries, concretely relates to integrated form polymer dry process denitration agent conveying equipment and conveying method.
Background
The boiler flue gas generally contains a large amount of components such as NOx, and in order to prevent pollution to the atmosphere, the boiler flue gas needs to be subjected to denitration treatment so as to meet the emission requirement. The general fixed mounting of traditional denitrifier conveying equipment is in denitration furnace department, and the construction cycle is long, and equipment is complicated, and area is big, can't remove as required, and whole conveying process is loaded down with trivial details, the efficiency of direct influence denitration.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integrated form polymer dry process denitration agent conveying equipment and conveying method to solve the complicated problem of denitration agent conveying equipment structure.
The utility model discloses an integrated form polymer dry process denitration agent conveying equipment realizes like this:
the utility model provides an integrated form polymer dry process denitration agent conveying equipment, includes integrated little feed bin, big feed bin and the mixing cabin in same equipment box, be connected with on the little feed bin and inhale the material pipe and inhale the material motor, big feed bin with the discharge gate of little feed bin links to each other, and installs the stirring auger in the big feed bin, the discharge gate of big feed bin pass through ejection of compact auger with the mixing cabin links to each other, be connected with roots's fan and venturi on the mixing cabin respectively, venturi's export and denitration agent pipeline are connected, denitration agent pipeline's tip is connected with a plurality of spray guns that stretch into in the denitration furnace through two at least spherical distributors.
Further, inhale the entry connection denitration agent material package of material pipe, just inhale and install on the material pipe and inhale the material pneumatic valve.
Furthermore, an exhaust pipe with an exhaust pneumatic valve is installed on the small storage bin.
Furthermore, a discharging pneumatic valve is arranged at a bottom discharging port of the small storage bin, and a discharging pneumatic valve is arranged at a bottom discharging port of the large storage bin.
Furthermore, an air outlet of the Roots blower is connected with a metal pipe through a rubber soft joint, and the metal pipe is connected with the mixing cabin.
Furthermore, the spherical distributor comprises an expanding pipe, an inlet pipe arranged at a small port of the expanding pipe and a spherical segment arranged at a large port of the expanding pipe, wherein a plurality of outlet pipes communicated with the inside of the expanding pipe are arranged on the spherical segment, and a cone with a tip extending towards the inside of the expanding pipe is arranged in the spherical segment.
Further, still install the air compressor machine and with the gas holder that the air compressor machine links to each other in the equipment box.
Further, still be provided with flue gas analyzer and PLC switch board in the equipment box, flue gas analyzer passes through the pipeline and links to each other with denitration furnace's exhaust pipe, the PLC switch board links to each other with flue gas analyzer, and can control ejection of compact auger's rotational frequency.
Further, the bottom of equipment box is provided with the wheel, the wheel below is provided with weighing sensor.
Additionally, the utility model also provides an integrated form polymer dry process denitration agent conveying method, including following step:
a. the denitration agent enters the small storage bin through the material suction pipe for temporary storage under the negative pressure action of the material suction motor;
b. after the small storage bin is full, discharging the denitrifying agent into the large storage bin, and stirring the denitrifying agent by using a stirring auger in the large storage bin;
c. the denitration agent is delivered into the mixing cabin from a discharge port of the large bunker through the discharge auger, and compressed air of the Roots blower is fully mixed with the denitration agent and then delivered into the denitration agent conveying pipeline through the venturi tube;
d. the denitration agent is conveyed to the spherical distributor through the denitration agent conveying pipeline, and the spherical distributor uniformly distributes the denitration agent and sprays the denitration agent into the denitration hearth by using the spray gun to perform denitration treatment on the flue gas.
After the technical scheme is adopted, the utility model discloses the beneficial effect who has does:
(1) the denitration agent conveying equipment provided by the utility model is integrated equipment, has simple structure and small occupied space, reduces the period of site construction, is convenient to operate, and can adjust the use position as required;
(2) the utility model provides a denitration agent conveying method is simple, has alleviateed staff's intensity of labour, has guaranteed denitration efficiency and denitration effect.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a structural diagram of an integrated polymer dry denitration agent delivery apparatus according to a preferred embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a structural diagram of a ball distributor of the integrated polymer dry denitration agent delivery device according to the preferred embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
fig. 5 is a top view of the spherical distributor of the integrated polymer dry-process denitration agent delivery device according to the preferred embodiment of the present invention;
in the figure: the equipment comprises an equipment box 1, a small bin 2, a large bin 3, a mixing cabin 4, a material suction pipe 5, a material suction motor 6, a stirring auger 7, an ejection material auger 8, a Roots blower 9, a Venturi tube 10, a denitration agent conveying pipeline 11, a spherical distributor 12, a denitration hearth 13, a spray gun 14, a stirring motor 15, a denitration agent material bag 16, a material suction pneumatic valve 17, an exhaust pneumatic valve 18, an exhaust pipe 19, an unloading pneumatic valve 20, an ejection material pneumatic valve 21, a rubber soft joint 22, a metal pipe 23, a divergent pipe 24, an inlet pipe 25, a segment 26, an outlet pipe 27, a cone 28, an air compressor 29, an air storage tank 30, a flue gas analyzer 31, a PLC (programmable logic controller) cabinet 32, an exhaust pipe 33, an ejection material motor 34, a wheel 35, a weighing sensor 36, a separator 37, a material returning device 38, a pipeline.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
As shown in fig. 1-5, an integrated polymer dry-process denitration agent conveying device comprises a small bin 2, a large bin 3 and a mixing cabin 4 which are integrated in the same device box 1, wherein the small bin 2 is connected with a material suction pipe 5 and a material suction motor 6, the large bin 3 is connected with a discharge port of the small bin 2, a stirring auger 7 is installed in the large bin 3, the discharge port of the large bin 3 is connected with the mixing cabin 4 through a discharge auger 8, the mixing cabin 4 is respectively connected with a roots blower 9 and a venturi tube 10, an outlet of the venturi tube 10 is connected with a denitration agent conveying pipeline 11, and the end part of the denitration agent conveying pipeline 11 is connected with a plurality of spray guns 14 extending into a denitration furnace 13 through at least two spherical distributors 12.
The utility model discloses set up two feed bin structures, wherein the setting of little feed bin 2 can keep in the denitrifier wherein, prevents to directly get into the jam that causes whole transportation process in big feed bin 6, and influences the efficiency of denitration.
Stirring auger 7 that sets up in big feed bin 6 can constantly stir the denitrifier wherein and mix, guarantee the homogeneity of each component in the denitrifier, guarantee the denitration effect, and the stirring through stirring auger 7 can prevent that the denitrifier from bonding in big feed bin 3, further prevent the condition of jam from appearing, stirring auger 7's setting also can play certain transport function in big feed bin 3, supplementary big feed bin 3 is discharged the denitrifier from its discharge gate.
Preferably, big feed bin 3 is sealed setting, can avoid appearing the condition of raise dust.
Specifically, the end part of the stirring auger 7 is connected with a stirring motor 15, so that power is provided for the rotation of the stirring auger 8.
Venturi 10's entrance section forms the negative pressure to in inhaling mixed cabin 4 with the denitrifier, the compressed air and the denitrifier intensive mixing that roots's fan 9 produced in mixed cabin 4, then send into denitrifier pipeline 11 through venturi 10's tubaeform export section, thereby utilize the diffusion of denitrifier, further improve the denitration effect.
The design of spray gun 14 can be favorable to the atomizing of denitrifier, makes denitrifier fully contact with the flue gas, improves the effect and the efficiency of denitration.
Preferably, the spray gun 14 is a denitrifier spray gun.
In order to conveniently control the suction of the denitrifier in the small bunker 2, an inlet of the material suction pipe 5 is connected with the denitrifier material bag 16, and the material suction pipe 5 is provided with a material suction pneumatic valve 17.
The material suction motor 6 is started, the denitration agent is sucked into the small storage bin 2 from the denitration agent material bag through the material suction pipe 5 through the negative pressure generated by the material suction motor, and the material suction pneumatic valve 17 is used for controlling the connection and the disconnection of the material suction pipe 5.
Because the negative pressure is generated by the material suction motor 6 to make the denitrifier enter the small storage bin 2, the pressure in the small storage bin 2 is adjusted, and the small storage bin 2 is provided with an exhaust pipe 19 with an exhaust pneumatic valve 18.
In order to control the discharging of the small storage bin 2 and the large storage bin 3 conveniently, a discharging pneumatic valve 20 is arranged at the bottom discharging port of the small storage bin 2, and a discharging pneumatic valve 21 is arranged at the bottom discharging port of the large storage bin 3.
The roots blower 9 can shake in the working process, and in order to avoid the damage of the structure connected with the roots blower 9 caused by the vibration, the air outlet of the roots blower 9 is connected with a metal pipe 23 through a rubber soft joint 22, and the metal pipe 23 is connected with the mixing chamber 4.
Referring to fig. 3 to 5, in order to increase the diffusion effect of the denitrator and thus improve the denitration effect, a spherical distributor 12 is disposed at the end of the denitration agent delivery pipeline 11, specifically, the spherical distributor 12 includes an expanding pipe 24, an inlet pipe 25 disposed at the small end of the expanding pipe 24 and a segment 26 disposed at the large end of the expanding pipe 24, a plurality of outlet pipes 27 communicated with the inside of the expanding pipe 24 are disposed on the segment 26, and a cone 28 having a tip extending to the inside of the expanding pipe is disposed inside the segment 26.
Denitration agent conveying pipeline 11 is connected on import pipe 25, spray gun 14 then is connected on outlet pipe 27, polymer dry process denitration agent gets into in the divergent pipe 24 by denitration agent conveying pipeline 11, and get into inside the segment of a sphere 26 by divergent pipe 24, the design of cone 28 can prevent that denitration agent from piling up at segment of a sphere 26 top, after denitration agent striking cone 28, turn to segment of a sphere 26 all around, spout from outlet pipe 27 and spray gun 14 then, spout in denitration furnace 13, carry out denitration treatment to the flue gas.
In order to supply the suction air-operated valve 17, the exhaust air-operated valve 18, the blanking air-operated valve 20 and the discharge air-operated valve 21 with compressed air, an air compressor 29 and an air reservoir 30 connected to the air compressor 29 are also installed in the equipment box 1.
The compressed air generated by the air compressor 29 is stored in the air tank 30, and the air tank 30 is connected with the material sucking pneumatic valve 17, the air discharging pneumatic valve 18, the blanking pneumatic valve 20 and the material discharging pneumatic valve 21 to supply air to the pneumatic valves.
In order to facilitate the detection of whether the impurity content in the treated flue gas meets the emission requirement, a flue gas analyzer 31 and a PLC control cabinet 32 are further arranged in the equipment box 1, the flue gas analyzer 31 is connected with a smoke exhaust pipeline 33 of the denitration hearth 13 through a pipeline, the PLC control cabinet 32 is connected with the flue gas analyzer 31, and the rotation frequency of the discharging auger 8 can be controlled.
Specifically, the discharging motor 34 is connected to the discharging auger 8 and used for providing power for the discharging auger 8. The PLC control cabinet 32 is connected with the discharging motor 34 to realize the frequency conversion control of the discharging motor 34.
The flue gas after handling leads to among the flue gas analyzer 31 through pipeline 39, and PLC switch board 32 can be according to the testing result adjustment discharging motor 34 of flue gas analyzer 31 frequency to adjust discharging efficiency, then suitably accelerate discharging motor 34's frequency when the flue gas is handled not to reach standard, then suitably slow down discharging motor 34's frequency when exceeding the emission standard, improve the utilization efficiency of denitration agent, even use the minimum denitration agent consumption and satisfy the emission up to standard of flue gas.
Preferably, the PLC control cabinet 32 is connected with the Roots blower 9, the power of the Roots blower 9 can be adjusted according to the field condition, and the operation performance is strong, so that the application range of the Roots blower is enlarged.
In addition, be provided with the siren among the PLC switch board 32, send out the police dispatch newspaper when operating error or equipment break down appear in the staff, improve the security of operation to be convenient for in time discover the trouble and locate.
Because the effect of little feed bin is the temporary storage that is used for the denitrifier, the denitrifier is finally still send into big feed bin, and weight in the whole equipment box has the weight change promptly for big feed bin, for the weight of denitration agent in 3 big feed bins of real-time supervision, the bottom of equipment box 1 is provided with wheel 35, and wheel 35 below is provided with weighing sensor 36.
The wheels 35 are provided to facilitate movement of the entire conveyor apparatus.
Additionally, the utility model also provides an integrated form polymer dry process denitration agent conveying method, including following step:
a. the denitration agent enters the small storage bin 2 for temporary storage through the material suction pipe 5 under the negative pressure action of the material suction motor 6;
denitration agent can be kept in the interior of small storage hopper 2 temporarily before entering big storage hopper 3, can avoid causing the jam of big storage hopper 3.
b. After the small bin 2 is full of the material, the blanking pneumatic valve 20 at the discharge port at the bottom of the small bin is opened, the denitration agent in the small bin is discharged into the large bin 3, the stirring auger 7 in the large bin 3 is driven by the stirring motor 15 to stir the denitration agent, the denitration agent is prevented from being bonded on the basis of uniformly stirring the denitration agent, and the denitration agent is conveyed to the discharge port of the large bin 3;
c. opening a discharging pneumatic valve 21 of the large storage bin 3, feeding the denitrifier into the mixing cabin 4 from a discharge port of the large storage bin 3 through a discharging auger 8, fully mixing the compressed air of the Roots blower 9 with the denitrifier, and feeding the mixed air and the denitrifier into a denitrifier conveying pipeline 11 through a venturi tube 10;
d. the denitration agent is delivered to the spherical distributor 12 through the denitration agent delivery pipeline 11, and the spherical distributor 12 uniformly distributes the denitration agent and sprays the denitration agent into the denitration furnace 13 through the spray gun 14 to carry out denitration treatment on the flue gas.
In this embodiment, two spherical distributors 12 are connected to the denitration agent conveying pipeline 11 and are respectively arranged at the side surface of the denitration furnace 13 and the outlet of the denitration furnace 13, and the two spherical distributors 12 are respectively connected to the plurality of spray guns 14, so that NOx in the flue gas is treated, the treated flue gas enters the separator 37, the flue gas is separated by the separator 37, the clean flue gas is discharged from the smoke exhaust pipeline 33, and the remaining impurities enter the material returning device 38 through the vertical pipe 40 below the separator 37 and return to the denitration furnace 13 for denitration treatment again.
The utility model provides a polymer dry powder denitration agent conveying equipment adopts the setting of integrating, simple structure, and comprehensive cost is low, and conveying method convenient operation realizes the automatic transport of denitration agent, has reduced intensity of labour, has improved conveying efficiency to and the utilization ratio of denitration agent.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The utility model provides an integrated form polymer dry process denitration agent conveying equipment which characterized in that: including integrated little feed bin (2), big feed bin (3) and mixing cabin (4) in same equipment box (1), be connected with on little feed bin (2) and inhale material pipe (5) and inhale material motor (6), big feed bin (3) with the discharge gate of little feed bin (2) links to each other, and installs stirring auger (7) in big feed bin (3), the discharge gate of big feed bin (3) pass through ejection of compact auger (8) with mixing cabin (4) link to each other, be connected with roots's fan (9) and venturi (10) on mixing cabin (4) respectively, the export and the denitration agent pipeline (11) of venturi (10) are connected, the tip of denitration agent pipeline (11) is connected with a plurality of spray guns (14) that stretch into in denitration furnace (13) through two at least spherical distributors (12).
2. The integrated high polymer dry denitration agent conveying equipment according to claim 1, wherein an inlet of the material suction pipe (5) is connected with a denitration agent material bag (16), and a material suction pneumatic valve (17) is installed on the material suction pipe (5).
3. The integrated polymer dry denitration agent delivery equipment according to claim 1, wherein the small storage bin (2) is provided with an exhaust pipe (19) with an exhaust pneumatic valve (18).
4. The integrated high polymer dry denitration agent conveying equipment according to claim 1, wherein a discharging pneumatic valve (20) is arranged on a bottom discharging port of the small storage bin (2), and a discharging pneumatic valve (21) is arranged on a bottom discharging port of the large storage bin (3).
5. The integrated polymer dry-process denitration agent conveying equipment as claimed in claim 1, wherein an air outlet of the Roots blower (9) is connected with a metal pipe (23) through a rubber soft joint (22), and the metal pipe (23) is connected with the mixing chamber (4).
6. The integrated type polymer dry denitration agent delivery device according to claim 1, wherein the spherical distributor (12) comprises an expanding pipe (24), an inlet pipe (25) arranged at a small port of the expanding pipe (24) and a spherical segment (26) arranged at a large port of the expanding pipe (24), a plurality of outlet pipes (27) communicated with the inside of the expanding pipe (24) are arranged on the spherical segment (26), and a cone (28) with a tip extending towards the inside of the expanding pipe (24) is arranged inside the spherical segment (26).
7. The integrated polymer dry denitration agent conveying equipment according to claim 1, wherein an air compressor (29) and an air storage tank (30) connected with the air compressor (29) are also installed in the equipment box (1).
8. The integrated polymer dry-process denitration agent conveying equipment as claimed in claim 1, wherein a flue gas analyzer (31) and a PLC control cabinet (32) are further arranged in the equipment box (1), the flue gas analyzer (31) is connected with a smoke exhaust pipeline (33) of the denitration furnace chamber (13) through a pipeline, and the PLC control cabinet (32) is connected with the flue gas analyzer (31) and can control the rotation frequency of the discharging auger (8).
9. The integrated high polymer dry denitration agent conveying equipment according to claim 1, wherein wheels (35) are arranged at the bottom of the equipment box (1), and a weighing sensor (36) is arranged below the wheels (35).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921684790.4U CN211216171U (en) | 2019-10-10 | 2019-10-10 | Integrated high-molecular dry-method denitration agent conveying equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921684790.4U CN211216171U (en) | 2019-10-10 | 2019-10-10 | Integrated high-molecular dry-method denitration agent conveying equipment |
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| CN211216171U true CN211216171U (en) | 2020-08-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575746A (en) * | 2019-10-10 | 2019-12-17 | 路超 | integrated high-molecular dry-method denitration agent conveying equipment and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575746A (en) * | 2019-10-10 | 2019-12-17 | 路超 | integrated high-molecular dry-method denitration agent conveying equipment and method |
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