CN209406021U - A kind of denitrfying agent transportation system - Google Patents
A kind of denitrfying agent transportation system Download PDFInfo
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- CN209406021U CN209406021U CN201822238471.2U CN201822238471U CN209406021U CN 209406021 U CN209406021 U CN 209406021U CN 201822238471 U CN201822238471 U CN 201822238471U CN 209406021 U CN209406021 U CN 209406021U
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- denitrfying agent
- injector
- feed bin
- gas source
- transportation system
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Abstract
A kind of denitrfying agent transportation system, including small hopper, bucket elevator, feed bin, speed governing electronic belt scale and injector, wherein: small hopper is used for will be in the elevator hopper that expect bucket elevator on denitrfying agent, bucket elevator is for denitrfying agent to be transported in feed bin, the lower section of the feed opening of feed bin is arranged in so that for the quantitative feeding inlet that denitrfying agent is transported to injector, the injector is for receiving denitrfying agent and by denitrfying agent accelerating jetting into the conveyance conduit being connected on the injector in the speed governing electronic belt scale；The quantity of injector is at least one, at least one spray gun is connected on the conveyance conduit that each injector is connected, the spray gun is arranged in spray in the flue that denitrfying agent is connected into the burner hearth and with burner hearth in the burner hearth for being catalyzed reaction, and the utility model structure is simple, easy to operate, operation expense is lower, denitrfying agent is solid powder transport, and safe ready is without secondary pollution, denitration reaction is sensitive, high-efficient.
Description
Technical field
The utility model relates to combustion product gases denitration technology fields, and in particular to a kind of denitrfying agent transportation system.
Background technique
In field of boilers, environment is polluted to generate excessive NOx after preventing Boiler Furnace chamber inner combustion object from burning, copes with furnace
The flue gas to burn in thorax carries out denitration process.Denitration refers to the process of to denitrification is removed in combustion product gases, to prevent
Environmental pollution.Therefore, in order to avoid environment is contaminated, the problem of being used as world wide and be shrilly contemplated.
It is inconvenient since the input equipment of denitrfying agent is excessively complicated in existing denitrating technique, so as to cause denitration work
Low efficiency, it is at high cost.
Utility model content
The utility model in order to solve the above problems existing in the present technology, provide a kind of structure it is simple, it is easy to operate,
The denitrfying agent transportation system that work efficiency is high.
To achieve the above object, the utility model provides a kind of denitrfying agent transportation system, including small hopper, bucket lifting
Machine, feed bin, speed governing electronic belt scale and injector, in which:
The small hopper is used in the elevator hopper for expecting bucket elevator on denitrfying agent, and the bucket elevator is used
It is transported in feed bin in by denitrfying agent, the lower section of the feed opening of feed bin is arranged in be used to quantitatively in the speed governing electronic belt scale
Denitrfying agent is transported to the feeding inlet of injector, and the injector is for receiving denitrfying agent and by denitrfying agent accelerating jetting to being connected to
In conveyance conduit on the injector；
The quantity of the injector is at least one, is connected at least on the conveyance conduit that each injector is connected
One spray gun, the spray gun be arranged in for be catalyzed reaction burner hearth in spray denitrfying agent into the burner hearth and with burner hearth phase
In flue even.
As the further preferred technical solution of the utility model, the front end of the injector is connected by pressure gas source pipeline
It is connected to the roots blower for discharge pressure gas source.
As the further preferred technical solution of the utility model, the quantity of the roots blower is multiple, multiple Roots
Blower is connected side by side by pressure gas source pipeline.
As the further preferred technical solution of the utility model, positioned at the defeated of roots blower on the pressure gas source pipeline
Outlet is equipped with Hand-operated butterfly valve, and the air source input end that injector is located on pressure gas source pipeline becomes equipped with the pressure for detecting air pressure
Send device.
As the further preferred technical solution of the utility model, the feed bin is the storehouse with funnel structure of airtightness
Body, the pressure gas source on feed bin enter hole and are connected with pressure gas source pipeline, enter on the pressure gas source pipeline close to pressure gas source
The position in hole is equipped with hand stop valve, and the top of the feed bin is equipped with the vacuum pressure relief valve for discharging pressure in feed bin.
As the further preferred technical solution of the utility model, the gasification equipped with aeration silo material is filled in the feed bin
It sets.
As the further preferred technical solution of the utility model, the top of the feed bin, which is equipped with, is used for upper limit of detection position object
The blocking rotary type high charge level of material switchs, and the lower part of feed bin is equipped with the low level switch of blocking rotary type for upper limit of detection position material.
The denitrfying agent transportation system of the utility model, by including small hopper, bucket elevator, feed bin, speed regulation electronics skin
Band claims and injector, in which: the small hopper is used in the elevator hopper for expecting bucket elevator on denitrfying agent, the bucket
Formula elevator for denitrfying agent to be transported in feed bin, the speed governing electronic belt scale be arranged in the lower section of the feed opening of feed bin with
For the quantitative feeding inlet that denitrfying agent is transported to injector, the injector is for receiving denitrfying agent and accelerating to spray by denitrfying agent
It is mapped in the conveyance conduit being connected on the injector；The quantity of the injector is at least one, each injector
At least one spray gun is connected on the conveyance conduit connected, the spray gun is arranged in the burner hearth for being catalyzed reaction with injection
Denitrfying agent neutralizes in the flue being connected with burner hearth to the burner hearth, so that the utility model can be straight by denitrfying agent by pneumatic conveying
It picks into burner hearth, urea is made to react under the action of catalyst with NOx in flue gas, reach removing NOx purpose, and restoring
In reaction process, macromolecule carbon generates CO2, will not have an impact to equipment, and the system structure is simple, easy to operate, operation dimension
Cost is relatively low for shield, and denitrfying agent is solid powder transport, and safe ready is without secondary pollution, and denitration reaction is sensitive, high-efficient.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the structural schematic diagram for the example that the utility model denitrfying agent transportation system provides；
Fig. 2 is that the injector for the example that the utility model denitrfying agent transportation system provides and the connection structure of spray gun are illustrated
Figure.
In figure: 01, burner hearth, 1, small hopper, 2, bucket elevator, 3, feed bin, 4, blocking rotary type high charge level switch, 5, blocking rotary type
Low level switch, 6, gasification installation, 7, speed governing electronic belt scale, 8, injector, 9, hand stop valve, 10, pressure transmitter,
11, Hand-operated butterfly valve, 12, roots blower, 13, conveyance conduit, 14, spray gun.
The utility model aim is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the utility model is described further.In preferred embodiment
Cited such as "upper", "lower", "left", "right", " centre " and " one " term, only being illustrated convenient for narration, rather than to
The enforceable range of the utility model is limited, relativeness is altered or modified, under the content of no substantial changes in technology, when also
It is considered as the enforceable scope of the utility model.
As shown in Figure 1, denitrfying agent transportation system includes small hopper 1, bucket elevator 2, feed bin 3, speed governing electronic belt scale 7
With injector 8, in which:
The small hopper 1 is used in the elevator hopper for expecting bucket elevator 2 on denitrfying agent, the bucket elevator
2 for denitrfying agent to be transported in feed bin 3, and the lower section of the feed opening of feed bin 3 is arranged in be used in the speed governing electronic belt scale 7
The quantitative feeding inlet that denitrfying agent is transported to injector 8, the speed governing electronic belt scale 7 are weighed for measuring, and by adjusting skin
Band transmission speed adjusts feeding coal, and uniform and stable to injector feeding to realize, the injector 8 is used to receive denitrfying agent and will
Denitrfying agent accelerating jetting is into the conveyance conduit 13 being connected on the injector 8；
The quantity of the injector 8 is at least one, is connected on the conveyance conduit 13 that each injector 8 is connected
At least one spray gun 14, the spray gun 14 are arranged in the burner hearth 01 for being catalyzed reaction to spray denitrfying agent to the burner hearth 01
It neutralizes in the flue being connected with burner hearth 01, the material of spray gun 14 is 2025 stainless steel resistant to high temperature.
In specific implementation, the front end of the injector 8 is connected with by pressure gas source pipeline for discharge pressure gas source
Roots blower 12.The quantity of the roots blower 12 be it is multiple, multiple roots blowers 12 are connected side by side by pressure gas source pipeline.
In specific implementation, Hand-operated butterfly valve 11, pressure are equipped with positioned at the output end of roots blower 12 on the pressure gas source pipeline
The pressure transmitter 10 for detecting air pressure is equipped with positioned at the air source input end of injector 8 on power gas source pipe.
In specific implementation, the feed bin 3 is the warehouse with funnel structure of airtightness, and the pressure gas source on feed bin 3 enters
Hole is connected with pressure gas source pipeline, is equipped with hand stop valve close to the position that pressure gas source enters hole on the pressure gas source pipeline
9, the top of the feed bin 3 is equipped with the vacuum pressure relief valve for discharging pressure in feed bin 3, is equipped with fluidisation in the feed bin 3
The gasification installation 6 of 3 material of feed bin, the top of the feed bin 3 is equipped with to be switched for the blocking rotary type high charge level of upper limit of detection position material
4, the lower part of feed bin 3 is equipped with the low level switch 5 of blocking rotary type for upper limit of detection position material.
In specific implementation
The denitrfying agent transportation system of the utility model is developed specifically for SER synergistic reduction method denitrating technique, passes through strength
Denitrfying agent is sent directly into burner hearth 01 by conveying, so that urea is reacted under the action of catalyst with NOx in flue gas, is reached removing
NOx purpose.
Its workflow is as follows:
Manually denitrfying agent is put into small hopper 1, denitrfying agent is poured into elevator hopper by small hopper 1；
Bucket elevator 2 is poured into feed bin 3 after promoting denitrfying agent, and the funnel structure cone angle design of the feed bin 3 is in 40
Degree, and gasification installation 6 is installed, vacuum pressure relief valve is arranged at top, and to solve denitrfying agent poor fluidity, it is easy bonding, puts up a bridge,
The problem of being not easy blanking；
Denitrfying agent is by adjusting the speed the belt of belted electronic balance on 3 bottom feed opening blanking of feed bin to speed regulation belted electronic balance
The transmission speed in gap and belt between feed opening is adjustable, to control feeding speed, makes denitrfying agent with constant
Ground amount is transported to the feeding inlet of injector 8；
The high-speed flow that roots blower 12 generates is passed into injector 8, and denitrfying agent is sprayed by conveyance conduit 13
It goes out；
Gas pipeline end can connect 6 to 8 spray guns 14, and the material of spray gun 14 is high temperature resistant material, the latus rectum of gas pipeline
Generally DN20 or DN25, denitrfying agent spray into burner hearth 01 or flue eventually by spray gun 14.
Although those skilled in the art should manage the foregoing describe specific embodiment of the present utility model
Solution, these are merely examples, various changes or modifications can be made to present embodiment, without departing from the original of the utility model
Reason and essence, the protection scope of the utility model are only limited by the claims that follow.
Claims (7)
1. a kind of denitrfying agent transportation system, which is characterized in that including small hopper, bucket elevator, feed bin, speed governing electronic belt scale
And injector, in which:
The small hopper is used in the elevator hopper for expecting bucket elevator on denitrfying agent, and the bucket elevator is used for will
Denitrfying agent is transported in feed bin, and the lower section of the feed opening of feed bin is arranged in for quantitatively by denitration in the speed governing electronic belt scale
Agent is transported to the feeding inlet of injector, and the injector is for receiving denitrfying agent and by denitrfying agent accelerating jetting to described in being connected to
In conveyance conduit on injector；
The quantity of the injector is at least one, is connected at least one on the conveyance conduit that each injector is connected
Spray gun, the spray gun, which is arranged in the burner hearth for being catalyzed reaction, to be connected into the burner hearth and with burner hearth with spraying denitrfying agent
In flue.
2. denitrfying agent transportation system according to claim 1, which is characterized in that the front end of the injector passes through pressure gas
Source capsule road is connected with the roots blower for discharge pressure gas source.
3. denitrfying agent transportation system according to claim 2, which is characterized in that the quantity of the roots blower be it is multiple,
Multiple roots blowers are connected side by side by pressure gas source pipeline.
4. denitrfying agent transportation system according to claim 3, which is characterized in that be located at Roots on the pressure gas source pipeline
The output end of blower is equipped with Hand-operated butterfly valve, and the air source input end that injector is located on pressure gas source pipeline is equipped with for detecting air pressure
Pressure transmitter.
5. denitrfying agent transportation system according to claim 4, which is characterized in that the feed bin is airtightness with funnel
The warehouse of structure, the pressure gas source on feed bin enter hole and are connected with pressure gas source pipeline, close to pressure on the pressure gas source pipeline
The position that strength source enters hole is equipped with hand stop valve, and the top of the feed bin is equipped with the vacuum pressure for discharging pressure in feed bin
Relief valve.
6. denitrfying agent transportation system according to claim 5, which is characterized in that be equipped with aeration silo material in the feed bin
Gasification installation.
7. denitrfying agent transportation system according to claim 6, which is characterized in that the top of the feed bin is equipped with for detecting
The blocking rotary type high charge level of upper limit material switchs, and the lower part of feed bin is equipped with opens for the low material position of blocking rotary type of upper limit of detection position material
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822238471.2U CN209406021U (en) | 2018-12-28 | 2018-12-28 | A kind of denitrfying agent transportation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822238471.2U CN209406021U (en) | 2018-12-28 | 2018-12-28 | A kind of denitrfying agent transportation system |
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| CN209406021U true CN209406021U (en) | 2019-09-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870936A (en) * | 2020-12-25 | 2021-06-01 | 国家能源集团福建能源有限责任公司 | Denitration system of circulating fluidized bed boiler |
| CN116675005A (en) * | 2023-05-08 | 2023-09-01 | 广州绿华环保科技股份有限公司 | Denitration agent pneumatic conveying device |
-
2018
- 2018-12-28 CN CN201822238471.2U patent/CN209406021U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870936A (en) * | 2020-12-25 | 2021-06-01 | 国家能源集团福建能源有限责任公司 | Denitration system of circulating fluidized bed boiler |
| CN116675005A (en) * | 2023-05-08 | 2023-09-01 | 广州绿华环保科技股份有限公司 | Denitration agent pneumatic conveying device |
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