CN209210408U - A kind of urea pyrolysis ammonia device - Google Patents
A kind of urea pyrolysis ammonia device Download PDFInfo
- Publication number
- CN209210408U CN209210408U CN201821762083.8U CN201821762083U CN209210408U CN 209210408 U CN209210408 U CN 209210408U CN 201821762083 U CN201821762083 U CN 201821762083U CN 209210408 U CN209210408 U CN 209210408U
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- cylinder
- spray gun
- urea pyrolysis
- ammonia device
- urea
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Abstract
The utility model provides a kind of urea pyrolysis ammonia device, including cylinder, cylinder top is equipped with air inlet, cylinder top is equipped with gun inlets, atomization wind entrance and air pressure detection mouth, is equipped with spray gun in cylinder, gun inlets are connected to spray gun, atomization wind entrance is connected to the air hose in spray gun, air hose is S-type, several through-holes are uniformly provided on air hose, and the end of spray gun is equipped with nozzle；Cylinder body outer wall is equipped with ear mount, and cylinder body bottom is equipped with thermometer mouth and thermocouple port along axisymmetrical, and cylinder bottom end is equipped with mixed gas outlet.A kind of urea pyrolysis ammonia device described in the utility model, the safety of denitrating system will be greatly improved using urea ammonia.
Description
Technical field
The utility model belongs to denitration field, more particularly, to a kind of urea pyrolysis ammonia device.
Background technique
Administering mainstream technology in denitrating flue gas field in environmental protection industry (epi) atmosphere at present is using ammonia as reducing agent, with nitrogen
Oxide chemically reacts, to achieve the purpose that remove nitrogen oxides.The acquirement of ammonia often by liquefied ammonia evaporation from,
Since liquefied ammonia is poisonous and harmful, inflammable and explosive, the liquefied ammonia amount of storage of 10t or more is defined as major hazard source by country at present, therefore
Evaporating acquisition ammonia using liquefied ammonia, there are larger security risks.
Summary of the invention
In view of this, the utility model is directed to a kind of urea pyrolysis ammonia device, the raw material using urea as ammonia processed,
Urea stores and transports fool proof as a kind of common agrochemical, therefore will greatly improve denitration using urea ammonia
The safety of system.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of urea pyrolysis ammonia device, including cylinder, cylinder top be equipped with air inlet, cylinder top be equipped with gun inlets,
It is atomized wind entrance and air pressure detection mouth, is equipped with spray gun in cylinder, gun inlets are connected to spray gun, in atomization wind entrance and spray gun
Air hose connection, air hose is S-type, several through-holes are uniformly provided on air hose, and the end of spray gun is equipped with nozzle；Cylinder body outer wall is equipped with
Ear mount, cylinder body bottom are equipped with thermometer mouth and thermocouple port along axisymmetrical, and cylinder bottom end is equipped with mixed gas outlet.
Urea liquid enters spray gun from gun inlets, and atomization wind enters in the air hose in spray gun, and air hose is uniformly set in S type
In spray gun, the through-hole on air hose enters atomization wind in spray gun, so that urea liquid be made to be uniformly mixed with atomization wind.
Further, multiple radial jet ports are equipped in nozzle, the diameter of jet port is 40-80 μm.
Gas-liquid mixture is set uniformly to spray urea liquid droplet out of nozzle in solid cone shape shape.
Further, ear mount is located at the middle and upper part of cylinder.
Further, the bottom end of cylinder is cone.
Further, the thickness of cylinder is 6mm.
Further, the diameter of cylinder is 1200mm.
Compared with the existing technology, a kind of urea pyrolysis ammonia device described in the utility model has the advantage that
A kind of urea pyrolysis ammonia device described in the utility model carries out ammonia processed as raw material using urea, greatly improves
The safety of denitrating system, the design in spray gun can be such that urea liquid and atomization wind is sufficiently mixed, to eject uniformly
Urea liquid droplet, the present apparatus can guarantee thermal decomposition time of the urea liquid droplet in hot-air, keep urea abundant
It decomposes, and the mixed gas being decomposed to form can directly participate in subsequent denitrating flue gas reaction.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is a kind of urea pyrolysis ammonia device structural schematic diagram described in the utility model embodiment；
Fig. 2 is a kind of urea pyrolysis ammonia device spray gun enlarged diagram described in the utility model embodiment；
Fig. 3 is a kind of urea pyrolysis ammonia device top view described in the utility model embodiment.
Description of symbols:
1- air inlet；2- air pressure detection mouth；3- cylinder；4- ear mount；5- jet port；6- thermometer mouth；7- thermocouple port；8-
Mixed gas outlet；9- gun inlets；10- nozzle；11- is atomized wind entrance；12- air hose；13- spray gun.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1-3, a kind of urea pyrolysis ammonia device, including cylinder 3,3 top of cylinder is equipped with air inlet 1, on cylinder 3
Portion is equipped with gun inlets 9, atomization wind entrance 11 and air pressure detection mouth 2, is equipped with spray gun 13, gun inlets 9 and spray gun in cylinder 3
13 connections, atomization wind entrance 11 are connected to the air hose 12 in spray gun 13, and air hose 12 is S-type, is uniformly provided with several on air hose 12
The end of through-hole, spray gun 13 is equipped with nozzle 10；3 outer wall of cylinder is equipped with ear mount 4, and 3 bottom of cylinder is equipped with temperature along axisymmetrical
Mouth 6 and thermocouple port 7 are counted, 3 bottom end of cylinder is equipped with mixed gas outlet 8.
Urea liquid enters spray gun 13 from gun inlets 9, and atomization wind enters in the air hose 12 in spray gun 13, and air hose 12 is in S
Type is uniformly located in spray gun 13, and the through-hole on air hose 12 enters atomization wind in spray gun 13, to make urea liquid and mist
Change wind to be uniformly mixed.
As shown in Figure 1-3, being equipped with multiple radial jet ports 5 in nozzle 10, the diameter of jet port 5 is 40-80 μm.
Gas-liquid mixture is set uniformly to spray urea liquid droplet grain out of nozzle 10 in solid cone shape shape.
As shown in Figure 1-3, ear mount 4 is located at the middle and upper part of cylinder 3.
As shown in Figure 1-3, the bottom end of cylinder 3 is cone.
As shown in Figure 1-3, the thickness of cylinder 3 is 6mm.
As shown in Figure 1-3, the diameter of cylinder 3 is 1200mm.
Temperature by heating is 600- in practical applications by a kind of urea pyrolysis ammonia device described in the utility model
650 DEG C, air pressure is the air of 6-8KPa, is entered from the air inlet 1 of device, will be by measuring quantifying for pressurized 50% concentration
Urea liquid from gun inlets 9 be sent into spray gun 13, with from atomization wind entrance 11 enter spray gun 13 a certain amount of atomization wind it is equal
It is sprayed after even mixing from nozzle 10, sprays a solid cone shape shape from the top down, the urea liquid mist droplet particle size of ejection is about
40-80μm.The urea liquid droplet direction of motion is identical as hot wind wind direction, forms the uniform mixture an of coexistence of gas and liquid.Urine
Plain solution droplets are by after hot air, and for rapid thermal decomposition at ammonia and carbon dioxide, chemical equation is CO (NH2)2+H2O=
2NH3↑+CO2↑, this is an endothermic process.
The key of this equipment is to guarantee thermal decomposition time of the urea liquid droplet in hot-air to guarantee that urea divides completely
Solution, usual time control guarantee temperature >=350 DEG C at mixed gas outlet 8, can effectively avoid pair in this way in 3-4s or so
The generation of reaction.By controlling the ratio of the amount of hot-air and the amount of urea liquid, formed in the outlet of ammonia device processed uniformly mixed
Ammon amount be 3-5% mixed gas, go to participate in subsequent denitrating flue gas reaction.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of urea pyrolysis ammonia device, it is characterised in that: including cylinder (3), cylinder (3) top is equipped with air inlet (1),
Cylinder (3) top is equipped with gun inlets (9), atomization wind entrance (11) and air pressure detection mouth (2), sets in the cylinder (3)
Have spray gun (13), the gun inlets (9) are connected to the spray gun (13), the atomization wind entrance (11) and the spray gun (13)
Interior air hose (12) connection, the air hose (12) is S-type, is uniformly provided with several through-holes, the spray gun on the air hose (12)
(13) end is equipped with nozzle (10)；Cylinder (3) outer wall is equipped with ear mount (4), and cylinder (3) bottom is along axisymmetrical
Equipped with thermometer mouth (6) and thermocouple port (7), cylinder (3) bottom end is equipped with mixed gas outlet (8).
2. a kind of urea pyrolysis ammonia device according to claim 1, it is characterised in that: be equipped in the nozzle (10) multiple
The diameter of radial jet port (5), the jet port (5) is 40-80 μm.
3. a kind of urea pyrolysis ammonia device according to claim 1, it is characterised in that: the ear mount (4) is located at the cylinder
The middle and upper part of body (3).
4. a kind of urea pyrolysis ammonia device according to claim 1, it is characterised in that: the bottom end of the cylinder (3) is cone
Body.
5. a kind of urea pyrolysis ammonia device according to claim 1, it is characterised in that: the thickness of the cylinder (3) is
6mm。
6. a kind of urea pyrolysis ammonia device according to claim 1, it is characterised in that: the diameter of the cylinder (3) is
1200mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762083.8U CN209210408U (en) | 2018-10-29 | 2018-10-29 | A kind of urea pyrolysis ammonia device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762083.8U CN209210408U (en) | 2018-10-29 | 2018-10-29 | A kind of urea pyrolysis ammonia device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209210408U true CN209210408U (en) | 2019-08-06 |
Family
ID=67457336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821762083.8U Expired - Fee Related CN209210408U (en) | 2018-10-29 | 2018-10-29 | A kind of urea pyrolysis ammonia device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209210408U (en) |
-
2018
- 2018-10-29 CN CN201821762083.8U patent/CN209210408U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20211029 |