CN106315526A - Ammonia oxidation furnace distributor with double-circulation air entraining device - Google Patents
Ammonia oxidation furnace distributor with double-circulation air entraining device Download PDFInfo
- Publication number
- CN106315526A CN106315526A CN201610707144.XA CN201610707144A CN106315526A CN 106315526 A CN106315526 A CN 106315526A CN 201610707144 A CN201610707144 A CN 201610707144A CN 106315526 A CN106315526 A CN 106315526A
- Authority
- CN
- China
- Prior art keywords
- channel
- major ingredient
- internal
- charging aperture
- hearth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/24—Nitric oxide (NO)
- C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
- C01B21/28—Apparatus
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/38—Nitric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention discloses an ammonia oxidation furnace distributor with a double-circulation air entraining device. A feed port upper base is mounted at the lower end of a feed port; a feed port lower base is mounted at the lower end of the feed port upper base; a main material channel is mounted at the lower end of the feed port lower base; the main material channel is mounted in a main material pipe sleeve and extends into an outer hearth wall and is divided into an outer channel and an inner channel at the tail end away from the feed port lower base; the inner channel extends to the center of the outer hearth wall; an inner hearth is formed in an annular structure formed by the inner channel; the outer channel is distributed along the outer hearth wall; multiple outer spray heads are mounted on the side of the outer channel, close to the inner hearth; multiple inner spray heads are mounted on the side of the inner channel, close to the outer channel; and an outer hearth is formed between the outer channel and the inner channel. The ammonia oxidation furnace distributor disclosed by the invention has the advantages of high yield of nitrogen oxide and low energy consumption and effectively increases the yield of nitric acid.
Description
Technical field
The present invention relates to field, particularly relate to the Ammonium oxidation furnace distributor with double circulation aerator.
Background technology
Converter for ammonia oxidation is the key equipment of nitric acid production, and ammonia oxygen gas mixture produces oxidation nitrogen under the effect of catalyst
Body, generates nitric acid with water reaction the most again.The generation rate of oxygenation efficiency is largely dependent upon gas and passes through the equal of catalyst bed
Evenness, the most simple in construction of existing distributor, cause and cause in the place that concentration is higher a large amount of unoxidized ammonia to obtain
Effectively catalysis, affects the productivity of nitrogen oxide, it is therefore necessary to provide the converter for ammonia oxidation of the productivity that can be effectively improved nitrogen oxide to divide
Cloth device.
Summary of the invention
For the problems referred to above, the invention provides the Ammonium oxidation furnace distributor with double circulation aerator.Nitrogen oxide
Productivity high, energy consumption is low, is effectively increased the productivity of nitric acid.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is:
There is the Ammonium oxidation furnace distributor of double circulation aerator, including outer burner hearth, outer shower nozzle, outer hearth wall, major ingredient
Pipe box, major ingredient passage, charging aperture, charging aperture upper bed-plate, charging aperture lower bottom base, major ingredient pipe box upper bed-plate, major ingredient pipe box lower bottom base,
Internal channel, outer tunnel, interior shower nozzle and internal furnace；
The lower end of described charging aperture is provided with charging aperture upper bed-plate, and the lower end of charging aperture upper bed-plate is provided with charging aperture and goes to the bottom
Seat, the lower end of charging aperture lower bottom base is provided with major ingredient passage, and major ingredient passage is arranged in major ingredient pipe box, extending to of major ingredient passage
It is arranged in outer hearth wall, and is divided into outer tunnel and internal channel, internal channel at major ingredient passage away from the end of charging aperture lower bottom base
Extending to the center of outer hearth wall, the loop configuration that internal channel is formed is internal is internal furnace, and outer tunnel is along outer hearth wall
Being distributed, and outer tunnel is provided with multiple outer shower nozzle near the side of internal furnace, internal channel is provided with many near the side of outer tunnel
Individual interior shower nozzle, is outer burner hearth between outer tunnel and internal channel.
Preferably, one end away from internal furnace of described internal channel is jag.
Preferably, the number of described outer shower nozzle is less than the number of interior shower nozzle.
Preferably, the internal diameter of described internal channel is less than the internal diameter of outer tunnel.
From the above-mentioned description to present configuration, compared to the prior art, present invention have the advantage that
The present invention is by arranging internal channel in major ingredient passage, and the material of a part is entered internal furnace by internal channel, then by
Internal furnace enters outer burner hearth, and the material of a part, by outer tunnel, is entered in outer burner hearth by outer shower nozzle, by material by two burner hearths
Entering in a burner hearth so that feed more uniform high-efficiency, the productivity of nitrogen oxide is high, and energy consumption is low, is effectively increased the product of nitric acid
Rate.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.
Fig. 1 is the Ammonium oxidation furnace distributor structural representation with double circulation aerator that the present invention proposes；
In figure, 1, outer burner hearth；2, outer shower nozzle；3, outer hearth wall；4, major ingredient pipe box；5, major ingredient passage；6, charging aperture；7, enter
Material mouth upper bed-plate；8, charging aperture lower bottom base；9, major ingredient pipe box upper bed-plate；10, major ingredient pipe box lower bottom base；11, internal channel；12, outer
Passage；13, interior shower nozzle；14 internal furnaces.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
As it is shown in figure 1, the Ammonium oxidation furnace distributor structure with double circulation aerator that Fig. 1 is the present invention to be proposed is shown
It is intended to.
With reference to Fig. 1, the Ammonium oxidation furnace distributor with double circulation aerator that the present invention proposes, including outer burner hearth 1,
Outer shower nozzle 2, outer hearth wall 3, major ingredient pipe box 4, major ingredient passage 5, charging aperture 6, charging aperture upper bed-plate 7, charging aperture lower bottom base 8, master
Material pipe box upper bed-plate 9, major ingredient pipe box lower bottom base 10, internal channel 11, outer tunnel 12, interior shower nozzle 13 and internal furnace 14；
The lower end of charging aperture 6 is provided with charging aperture upper bed-plate 7, and the lower end of charging aperture upper bed-plate 7 is provided with charging aperture and goes to the bottom
Seat 8, the lower end of charging aperture lower bottom base 8 is provided with major ingredient passage 5, and major ingredient passage 5 is arranged in major ingredient pipe box 4, major ingredient passage 5
Extend to be arranged in outer hearth wall 3, and be divided into outer tunnel 12 and interior at major ingredient passage 5 away from the end of charging aperture lower bottom base 8
Passage 11, internal channel 11 extends to the center of outer hearth wall 3, and the loop configuration that internal channel 11 is formed is internal for internal furnace
14, outer tunnel 12 is distributed along outer hearth wall 3, and outer tunnel 12 is provided with multiple outer shower nozzle 2 near the side of internal furnace 14, interior
Passage 11 is provided with multiple interior shower nozzle 13 near the side of outer tunnel 12, is outer burner hearth 1 between outer tunnel 12 and internal channel 11.
In the present embodiment, one end away from internal furnace 14 of internal channel 11 is jag.Ensure that the synchronization of charging
Property, improve the efficiency of production.
In the present embodiment, the number of outer shower nozzle 2 is less than the number of interior shower nozzle 13.Owing to the volume of internal furnace 14 is less than
The volume of outer burner hearth 1, makes the number number less than interior shower nozzle 13 of outer shower nozzle 2, can improve internal furnace 14 entering to outer burner hearth 1
Material speed, and then improve the efficiency of production.
In the present embodiment, the internal diameter of internal channel 11 is less than the internal diameter of outer tunnel 12.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (4)
1. there is the Ammonium oxidation furnace distributor of double circulation aerator, it is characterised in that: include outer burner hearth (1), outer shower nozzle
(2), outer hearth wall (3), major ingredient pipe box (4), major ingredient passage (5), charging aperture (6), charging aperture upper bed-plate (7), charging aperture are gone to the bottom
Seat (8), major ingredient pipe box upper bed-plate (9), major ingredient pipe box lower bottom base (10), internal channel (11), outer tunnel (12), interior shower nozzle (13) and
Internal furnace (14)；
The lower end of described charging aperture (6) is provided with charging aperture upper bed-plate (7), and the lower end of charging aperture upper bed-plate (7) is provided with charging
Mouth lower bottom base (8), the lower end of charging aperture lower bottom base (8) is provided with major ingredient passage (5), and major ingredient passage (5) is arranged on major ingredient pipe box
(4), in, the extending to of major ingredient passage (5) is arranged in outer hearth wall (3), and at major ingredient passage (5) away from charging aperture lower bottom base
(8) end is divided into outer tunnel (12) and internal channel (11), and internal channel (11) extends to the center of outer hearth wall (3), interior logical
The loop configuration that road (11) is formed is internal is internal furnace (14), and outer tunnel (12) is distributed along outer hearth wall (3), and outer tunnel
(12) side near internal furnace (14) is provided with multiple outer shower nozzle (2), and internal channel (11) is near the side of outer tunnel (12) peace
Equipped with multiple interior shower nozzles (13), it is outer burner hearth (1) between outer tunnel (12) and internal channel (11).
The Ammonium oxidation furnace distributor with double circulation aerator the most according to claim 1, it is characterised in that: described
One end away from internal furnace (14) of internal channel (11) is jag.
The Ammonium oxidation furnace distributor with double circulation aerator the most according to claim 1, it is characterised in that: described
The number of outer shower nozzle (2) is less than the number of interior shower nozzle (13).
The Ammonium oxidation furnace distributor with double circulation aerator the most according to claim 1, it is characterised in that: described
The internal diameter of internal channel (11) is less than the internal diameter of outer tunnel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610707144.XA CN106315526A (en) | 2016-08-23 | 2016-08-23 | Ammonia oxidation furnace distributor with double-circulation air entraining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610707144.XA CN106315526A (en) | 2016-08-23 | 2016-08-23 | Ammonia oxidation furnace distributor with double-circulation air entraining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106315526A true CN106315526A (en) | 2017-01-11 |
Family
ID=57742135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610707144.XA Pending CN106315526A (en) | 2016-08-23 | 2016-08-23 | Ammonia oxidation furnace distributor with double-circulation air entraining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106315526A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019096065A1 (en) * | 2017-11-14 | 2019-05-23 | 中国石油化工股份有限公司 | Fluid distributor, reaction device, and application thereof |
-
2016
- 2016-08-23 CN CN201610707144.XA patent/CN106315526A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019096065A1 (en) * | 2017-11-14 | 2019-05-23 | 中国石油化工股份有限公司 | Fluid distributor, reaction device, and application thereof |
| US11571673B2 (en) | 2017-11-14 | 2023-02-07 | China Petroleum & Chemical Corporation | Fluid distributor, reaction device and application thereof |
| TWI800556B (en) * | 2017-11-14 | 2023-05-01 | 大陸商中國石油化工科技開發有限公司 | A kind of fluid distributor, reaction device and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206016920U (en) | Urea injection mixed cell for diesel engine vent gas post processing | |
| CN108194178B (en) | A kind of radial spray mixer for mixing exhaust and reducing agent fluid | |
| CN206144635U (en) | Processing apparatus after integrated injection formula of SCR | |
| CN206158826U (en) | SCR aftertreatment hybrid chamber structure of integrated nozzle | |
| CN202849079U (en) | Urea pyrolysis reactor applied to SCR (selective catalytic reduction) denitration | |
| CN106315526A (en) | Ammonia oxidation furnace distributor with double-circulation air entraining device | |
| CN206144633U (en) | End cover, blender including this end cover, exhaust back processing apparatus and vehicle | |
| CN104084065A (en) | Ethylene and oxygen mixing method | |
| CN105749748B (en) | Denitration integrated device | |
| CN104879198A (en) | SCR (Selective Catalytic Reduction) system and catalytic reaction unit thereof | |
| CN105065093A (en) | SCR system and mixer thereof | |
| CN202844899U (en) | Whirlwind-type ammonia-air mixer | |
| CH672078A5 (en) | ||
| CN207478534U (en) | Annular gas distributor and reactor | |
| CN209558878U (en) | Dore furnace | |
| CN204752212U (en) | Ammonium oxidizing furnace distributor with double circulation aeration device | |
| CN103172085A (en) | Air flow guiding method for urea pyrolytic reaction | |
| CN206823552U (en) | A kind of ammonia-spraying grid device | |
| CN105214578B (en) | Gas-liquid reactor and gas-liquid reactor group | |
| CN205269988U (en) | Flue gas deacidification atomizer | |
| CN206199541U (en) | Denitration vertical lance | |
| CN218188906U (en) | Diluted ammonium sulfite solution, air and ammonia water three-medium mixing reaction device | |
| CN103224457A (en) | Method and device for continuous preparation of carbamyl chloride | |
| JP2014531378A (en) | NH3 oxidizer gas distributor | |
| CN207576166U (en) | A kind of SCR methods denitration flue gas mixer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170111 |
|
| WD01 | Invention patent application deemed withdrawn after publication |