CN206955652U - A kind of urea pyrolysis stove - Google Patents
A kind of urea pyrolysis stove Download PDFInfo
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- CN206955652U CN206955652U CN201720499743.7U CN201720499743U CN206955652U CN 206955652 U CN206955652 U CN 206955652U CN 201720499743 U CN201720499743 U CN 201720499743U CN 206955652 U CN206955652 U CN 206955652U
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- pyrolysis chamber
- cylinder body
- outer cylinder
- pyrolysis
- urea
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Abstract
The utility model discloses a kind of urea pyrolysis stove, including pyrolysis chamber's outer cylinder body, pyrolysis chamber's inner barrel and inner cylinder rotating driver；Pyrolysis chamber's outer cylinder body is cylindrical, and pyrolysis chamber's inner barrel is located in pyrolysis chamber's outer cylinder body, and pyrolysis chamber's inner barrel can rotate around pyrolysis chamber's outer barrel body axis, and the height of pyrolysis chamber's inner barrel is less than pyrolysis chamber's outer cylinder body；The inner cylinder rotating driver is fixed on the outer wall of pyrolysis chamber's outer cylinder body, and the side wall of inner cylinder rotating driver through pyrolysis chamber's outer cylinder body is connected with pyrolysis chamber's inner barrel；Sharp sword is fixed with pyrolysis chamber's inner barrel, the inwall of sharp sword and pyrolysis chamber's outer cylinder body is brought into close contact.By the above-mentioned means, the utility model can automatically remove the depositing crystalline in pyrolysis chamber.
Description
Technical field
The utility model belongs to pyrolysis oven field, more particularly to a kind of urea pyrolysis stove.
Background technology
The denitrification reducing agent used in current SCR and SNCR denitration technique typically has three kinds, respectively liquefied ammonia, ammoniacal liquor and
Urea.The denitration efficiency highest of liquefied ammonia, and raw material sources are extensive, it is cheap, but liquefied ammonia has inflammable and explosive characteristic, for dangerization
Product, transport, storage and use have strict demand；Ammoniacal liquor is less than liquefied ammonia as denitrfying agent efficiency, and transport, storage and management are below
Liquefied ammonia, while there is also safety problem, and dosage and cost of transportation are too high；But a kind of granular agricultural fertilizer of urea, safety
Harmless, positioned at the power plant of big and medium-sized cities and its suburb nearby, (the denitration facility of densely populated area) preferably selects urea as reducing agent.
Urea is substantially that the ammonia produced by special pyrolysis plant decomposition is reducing agent as denitrification reducing agent.Its
Technological process is：The urea liquid (about 50%) configured is by urea liquid feed pump, metering and distributor, atomizer
Enter decomposition chamber later, diluent air enters decomposition chamber after heating and decomposes generation ammonia.But in actual moving process,
Urea pyrolysis device easily crystallizes, and substantial amounts of crystallization is attached to pyrolysis chamber interior walls, under vicious circle, whole pyrolysis chamber
Blocking can be caused, have a strong impact on the stable operation of whole system, or even cause accident.
Utility model content
Pyrolysis chamber interior walls are attached to solve crystallization existing for prior art, pyrolysis chamber blocks, and influences the steady of whole system
Surely the defects of running, the technical scheme that the utility model uses are：A kind of urea pyrolysis stove is provided, including：Outside pyrolysis chamber
Cylinder, pyrolysis chamber's inner barrel and inner cylinder rotating driver；Pyrolysis chamber's outer cylinder body is cylindrical, and pyrolysis chamber's inner barrel is located at heat
Solve in outdoor cylinder, pyrolysis chamber's inner barrel can rotate around pyrolysis chamber's outer barrel body axis, and the height of pyrolysis chamber's inner barrel is less than pyrolysis
Outdoor cylinder；The inner cylinder rotating driver is fixed on the outer wall of pyrolysis chamber's outer cylinder body, and inner cylinder rotating driver passes through pyrolysis chamber
The side wall of outer cylinder body is connected with pyrolysis chamber's inner barrel；Sharp sword, sharp sword and institute are fixed with pyrolysis chamber's inner barrel
The inwall for stating pyrolysis chamber's outer cylinder body is brought into close contact.
Preferably, pyrolysis chamber's outer cylinder body upper and lower ends are respectively equipped with centrum and hypocentrum；The upper centrum and heat
Solve outdoor cylinder junction and be provided with homogenizing plate, the position that pyrolysis chamber's outer cylinder body is located at below homogenizing plate connects provided with urea liquid spray gun
Mouthful；Centre entrance is provided with the middle part of pyrolysis chamber's outer cylinder body, pyrolysis chamber outer cylinder body bottom is provided with lower entrances at hypocentrum.
Preferably, pyrolysis chamber outer barrel of the pyrolysis chamber's inner barrel between urea liquid spray gun interface and centre entrance
In vivo.
Preferably, the urea pyrolysis stove also includes inner cylinder control device, and inner cylinder control device is driven by inner cylinder rotating
Device controls the rotation of pyrolysis chamber's inner barrel.
Preferably, pyrolysis chamber's outer cylinder body upper and lower ends are equipped with thermometer boss.
Preferably, pyrolysis chamber's outer cylinder body lower end is provided with pressure transmitter interface at hypocentrum.
Preferably, the position that lower entrances are corresponded on pyrolysis chamber's outer cylinder body is provided with spare interface.
Preferably, hot wind inlet is provided with the top of the upper centrum, hypocentrum end is provided with outlet.
Preferably, some support brackets are fixed with the outer wall of pyrolysis chamber's outer cylinder body.
Beneficial effect：First, it can effectively avoid deposition of the urea in pyrolysis chamber；Second, reduce the consumption of urea.
3rd, it can effectively avoid urea deposits from producing substantial amounts of thermal loss, improve heat utilization efficiency.
Brief description of the drawings
Fig. 1 is the cross section structure diagram of the preferred embodiment of the utility model urea pyrolysis stove one.
The mark of each part is as follows in accompanying drawing：1st, pyrolysis chamber's outer cylinder body；2nd, pyrolysis chamber's inner barrel；3rd, inner cylinder rotating drives
Device；4th, upper centrum；5th, hypocentrum；6th, homogenizing plate；7th, urea liquid spray gun interface；8th, centre entrance；9th, lower entrances；10th, press
Power transmitter interface；11st, thermometer boss；12nd, spare interface；13rd, bracket is supported.
Embodiment
Embodiment
A kind of urea pyrolysis stove, including：The inner cylinder rotating driving of pyrolysis chamber's outer cylinder body 1, pyrolysis chamber's inner barrel 2, explosion-proof type
Device 3 and inner cylinder control device；Pyrolysis chamber's outer cylinder body 1 is cylindrical, and pyrolysis chamber's inner barrel 2 is located in pyrolysis chamber's outer cylinder body,
Pyrolysis chamber's inner barrel 2 can rotate around the axis of pyrolysis chamber's outer cylinder body 1, and the height of pyrolysis chamber's inner barrel 2 is less than pyrolysis chamber's outer cylinder body 1；
The inner cylinder rotating driver 3 is fixed on the outer wall of pyrolysis chamber's outer cylinder body, and inner cylinder rotating driver passes through pyrolysis chamber's outer cylinder body
Side wall is connected with pyrolysis chamber's inner barrel；Sharp sword, sharp sword and the pyrolysis chamber are fixed with pyrolysis chamber's inner barrel
The inwall of outer cylinder body is brought into close contact.Inner cylinder control device is made a return journey by the rotation of inner cylinder rotating driver control pyrolysis chamber inner barrel
Except crystallization.The upper and lower ends of pyrolysis chamber's outer cylinder body 1 are respectively equipped with centrum 4 and hypocentrum 5, and the upper top of centrum 4 is provided with hot blast
Import, the end of hypocentrum 5 are provided with outlet；The upper centrum 4 and pyrolysis chamber outer cylinder body junction are provided with homogenizing plate 6, outside pyrolysis chamber
The position that cylinder 1 is located at below homogenizing plate is provided with urea liquid spray gun interface 7；Enter in the middle part of pyrolysis chamber's outer cylinder body provided with middle part
Mouth 8, pyrolysis chamber outer cylinder body bottom is provided with lower entrances 9 at hypocentrum.Pyrolysis chamber's inner barrel is located at urea liquid spray
In pyrolysis chamber's outer cylinder body 1 between rifle interface 7 and centre entrance 8.The upper and lower ends of pyrolysis chamber's outer cylinder body 1 are equipped with thermometer boss
11.Pyrolysis chamber outer cylinder body lower end is provided with pressure transmitter interface 10 at hypocentrum 5.Bottom is corresponded on pyrolysis chamber's outer cylinder body 1
The position of entrance 9 is provided with spare interface 12.Some support brackets 13 are fixed with the outer wall of pyrolysis chamber's outer cylinder body 1.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other related technologies
Field, similarly it is included in scope of patent protection of the present utility model.
Claims (9)
- A kind of 1. urea pyrolysis stove, it is characterised in that including：Pyrolysis chamber's outer cylinder body, pyrolysis chamber's inner barrel and inner cylinder rotating driving Device；Pyrolysis chamber's outer cylinder body is cylindrical, and pyrolysis chamber's inner barrel is located in pyrolysis chamber's outer cylinder body, and pyrolysis chamber's inner barrel can be around warm Outdoor tubular axis rotation is solved, the height of pyrolysis chamber's inner barrel is less than pyrolysis chamber's outer cylinder body；The inner cylinder rotating driver is fixed The outer wall of outer cylinder body in pyrolysis chamber, the side wall of inner cylinder rotating driver through pyrolysis chamber's outer cylinder body pass with pyrolysis chamber's inner barrel Dynamic connection；Sharp sword is fixed with pyrolysis chamber's inner barrel, the inwall of sharp sword and pyrolysis chamber's outer cylinder body is brought into close contact.
- 2. urea pyrolysis stove according to claim 1, it is characterised in that：Pyrolysis chamber's outer cylinder body upper and lower ends are set respectively There are upper centrum and hypocentrum；The upper centrum is provided with homogenizing plate with pyrolysis chamber outer cylinder body junction, and pyrolysis chamber's outer cylinder body is positioned at equal Position below flowing plate is provided with urea liquid spray gun interface；Centre entrance is provided with the middle part of pyrolysis chamber's outer cylinder body, outside pyrolysis chamber Cylinder bottom is provided with lower entrances at hypocentrum.
- 3. urea pyrolysis stove according to claim 2, it is characterised in that：Pyrolysis chamber's inner barrel is located at urea liquid spray In pyrolysis chamber's outer cylinder body between rifle interface and centre entrance.
- 4. urea pyrolysis stove according to claim 3, it is characterised in that：The urea pyrolysis stove also includes inner cylinder control dress Put, the rotation that inner cylinder control device passes through inner cylinder rotating driver control pyrolysis chamber inner barrel.
- 5. urea pyrolysis stove according to claim 4, it is characterised in that：Pyrolysis chamber's outer cylinder body upper and lower ends are equipped with Thermometer boss.
- 6. urea pyrolysis stove according to claim 5, it is characterised in that：Pyrolysis chamber's outer cylinder body lower end is close to hypocentrum Place is provided with pressure transmitter interface.
- 7. urea pyrolysis stove according to claim 6, it is characterised in that：Lower entrances are corresponded on pyrolysis chamber's outer cylinder body Position be provided with spare interface.
- 8. urea pyrolysis stove according to claim 7, it is characterised in that：Hot wind inlet is provided with the top of the upper centrum, under Centrum end is provided with outlet.
- 9. urea pyrolysis stove according to claim 8, it is characterised in that：It is fixed with the outer wall of pyrolysis chamber's outer cylinder body Some support brackets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720499743.7U CN206955652U (en) | 2017-05-08 | 2017-05-08 | A kind of urea pyrolysis stove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720499743.7U CN206955652U (en) | 2017-05-08 | 2017-05-08 | A kind of urea pyrolysis stove |
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| Publication Number | Publication Date |
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| CN206955652U true CN206955652U (en) | 2018-02-02 |
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| CN201720499743.7U Active CN206955652U (en) | 2017-05-08 | 2017-05-08 | A kind of urea pyrolysis stove |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082595A1 (en) * | 2019-10-29 | 2021-05-06 | 招远市汇潮新能源科技有限公司 | Pyrolysis cylinder and pyrolysis device |
| CN113122296A (en) * | 2021-04-28 | 2021-07-16 | 中国农业科学院农业环境与可持续发展研究所 | Biomass and agricultural film co-pyrolysis method based on double-cylinder structure |
-
2017
- 2017-05-08 CN CN201720499743.7U patent/CN206955652U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082595A1 (en) * | 2019-10-29 | 2021-05-06 | 招远市汇潮新能源科技有限公司 | Pyrolysis cylinder and pyrolysis device |
| CN113122296A (en) * | 2021-04-28 | 2021-07-16 | 中国农业科学院农业环境与可持续发展研究所 | Biomass and agricultural film co-pyrolysis method based on double-cylinder structure |
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