CN207774818U - Hydrolysis of urea reactor - Google Patents
Hydrolysis of urea reactor Download PDFInfo
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- CN207774818U CN207774818U CN201721769027.2U CN201721769027U CN207774818U CN 207774818 U CN207774818 U CN 207774818U CN 201721769027 U CN201721769027 U CN 201721769027U CN 207774818 U CN207774818 U CN 207774818U
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- gas
- hydrolysis
- urea
- additional hot
- hot cell
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Abstract
The utility model discloses a kind of hydrolysis of urea reactors, including main reaction container, primary heater, secondary heater and gas collector, the main reaction container is equipped with the internal partition for main reaction container to be separated into main heating room and additional hot cell, main heating room and additional hot cell are respectively equipped with urea inlet and leakage fluid dram, the main heating room and bottom in additional hot cell is not communicated with, top communicates.The utility model has unique heater and gas collector design, can be according to specific hydrolysis demand, the size of flexible selecting reactor, be conducive to energy saving, and the gas-liquid separation effect of gas collection is good, and hydrolysis of urea is more abundant, hydrolysis efficiency is high, is suitable for popularization and application.
Description
Technical field
The utility model is related to hydrolysis of urea mechanical equipment technical fields, more particularly to a kind of novel in structural design, urine
The hydrolysis of urea reactor that element hydrolysis is abundant, gas dry effect is good.
Background technology
Currently, the factor for influencing hydrolysis of urea includes in the initial concentration of water in temperature, solution, the content of urea, solution
Ammonia, the content of carbon dioxide and catalyst etc..In high reaction temperatures, it such as can guarantee the sufficiently long reaction time, and
Take ammonia and carbon dioxide that hydrolysis generates away in time, the urea in solution substantially can be with complete hydrolysis.It is frequently utilized that urine at present
The method ammonia of element hydrolysis, process for producing ammonia from urea includes hydrolysis of urea and urea pyrolysis.Hydrolysis of urea and urea pyrolysis technique by
It is different in temperature, pressure condition, there is different chemical processes.Technology for hydrolyzing has certain superiority than pyrolytic technique, especially
It is that have greater advantage in terms of oil consumption.But existing hydrolysis of urea reactor is in auxiliary agent addition, gas collection and heating
In the designs such as device, there are still some shortcomings, have a single function, it is therefore desirable to be improved.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of hydrolysis of urea reactor, add with unique
Hot device and gas collector design can be conducive to save energy according to specific hydrolysis demand, the size of flexible selecting reactor
Source, and the gas-liquid separation effect of gas collection is good, hydrolysis of urea is more abundant, and hydrolysis efficiency is high, is suitable for popularization and application.
To realize that above-mentioned technical proposal, the utility model use following technical solution：
A kind of hydrolysis of urea reactor, it is characterised in that：Including main reaction container, primary heater, secondary heater and gas
Collector, the main reaction container are equipped with the internal partition for main reaction container to be separated into main heating room and additional hot cell,
Main heating room and additional hot cell are respectively equipped with urea inlet and leakage fluid dram, the bottom in main heating room and additional hot cell is not communicated with,
Top communicates；The primary heater and secondary heater are respectively used to main heating room and auxiliary oven heats；The gas collection
Device is connected to the inside of main heating room and additional hot cell, the gas generated during heating for collecting urea liquid.
Preferably, to be equipped with heating tube, steam inlet, steam (vapor) outlet, auxiliary agent defeated for the primary heater and secondary heater
Enter bend pipe, auxiliary agent input bend pipe into main heating room or additional hot cell for adding reaction promoter；The auxiliary agent input bend pipe
Outer, coaxial is equipped with steam pipework, and steam pipework is used to heat the auxiliary agent in auxiliary agent input bend pipe, and steam pipework is equipped with
Auxiliary agent preheating steam inlet and auxiliary agent preheating steam (vapor) outlet.
Preferably, the heating tube is all made of U-shaped heating tube.
Preferably, the gas collector includes gas takes over, wire mesh demister and spray assemblies, the bottom that gas is taken over
End connection main reaction container, wire mesh demister are installed on gas nozzle interior, and spray assemblies include connecting tube, three-way pipe, demisting
Fog spray head is taken over and removes, the both ends of connecting tube connect the opening one on top and three-way pipe that gas is taken over, the opening two of three-way pipe
Input port is taken over respectively as gas delivery port and spray with opening three, except fog spray head is installed on the bottom that demisting is taken over.
Preferably, the side wall of the connecting tube and three-way pipe is the double-layer structure equipped with internal cavities, internal cavities are set
There are gas dry steam inlet and gas dry steam (vapor) outlet.
Preferably, the side wall of the main reaction container is equipped with several observation windows.
The hydrolysis of urea reactor of the utility model before hydrolysis using urea solution pump in use, will have preset temperature
Hydrolysis of urea reactor is sent into after the urea liquid pressurization of value to be decomposed, by primary heater or secondary heater by saturated vapor
By heating tube plus the corresponding main heating room of heating or additional hot cell, do not mixed between steam and urea liquid, gas-liquid two-phase is flat
The pressure of weighing apparatus system is about 1.4 ~ 2.1 MPa, about 150 DEG C of temperature, heater.Auxiliary agent inputs bend pipe and is equipped with steam heating design,
Auxiliary agent can be preheated and evaporate partial moisture, improve the reaction rate of hydrolysis.It is come out from hydrolysis main reactor low
Warm saturated vapor can be used to preheat the urea liquid into before hydrolysis reactor.The gas collection of hydrolyzer reactor head
Device collects ammonia, carbon dioxide and the vapor mixed gas generated, and by the method for steam indirectly heat, exports dry
Ammonia and carbon dioxide gas mixture.The design of spray assemblies can effectively prevent dirt to block wire mesh demister, use gas
Collection is more unimpeded, keeps hydrolysis of urea more abundant.
By adopting the above-described technical solution, the utility model has the following technical effect that：The utility model has uniqueness
Heater and gas collector design, can be conducive to save according to specific hydrolysis demand, the size of flexible selecting reactor
The energy, and the gas-liquid separation effect of gas collection is good, hydrolysis of urea is more abundant, and hydrolysis efficiency is high, is suitable for popularization and application.
Description of the drawings
The utility model will illustrate by example and with reference to the appended drawing, wherein：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of primary heater in Fig. 1；
Fig. 3 is the structural schematic diagram in the directions A-A in Fig. 2；
Fig. 4 is the structural schematic diagram of primary heater in Fig. 1；
Fig. 5 is the structural schematic diagram in the directions B-B in Fig. 4；
Fig. 6 is the structural schematic diagram of gas collector in Fig. 1.
Specific implementation mode
All features disclosed in this specification, the step in disclosed all method and process, in addition to mutually exclusive
Other than feature and step, it can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
.
A kind of hydrolysis of urea reactor as shown in Figures 1 to 6, including main reaction container 1, primary heater 2, secondary heater
3 and gas collector 4, main reaction container 1 is equipped with for main reaction container 1 to be separated into main heating room 11 and additional hot cell 12
Internal partition 5, main heating room 11 and additional hot cell 12 are respectively equipped with urea inlet 6 and leakage fluid dram 7, main heating room 11 and additional
The bottom in hot cell 12 is not communicated with, top communicates.Primary heater 2 and secondary heater 3 are respectively used to main heating room 11 and additional heat
It heats room 12；Gas collector 4 is set to the top of main reactor, at the same be connected to it is main heating room 11 and additional hot cell 12 it is interior
Portion, the gas generated in hydrolytic process for collecting urea liquid.In use, can be determined according to the size of hydrolysis of urea amount
Main heating room, additional hot cell or entire reactor are chosen as reaction vessel, can it is energy saving, improve hydrolysis efficiency.
As shown in Figures 1 to 5, in the present embodiment, primary heater 2 and secondary heater 3 are equipped with U-shaped heating tube 21；31、
Steam inlet 22；32, steam (vapor) outlet 23；33, auxiliary agent inputs bend pipe 24；34, auxiliary agent inputs bend pipe 24；34 are used for main heating room
Reaction promoter is added in 11 or additional hot cells 12, wherein auxiliary agent inputs bend pipe 24；34 outer, coaxial is equipped with steam pipework 25；
35, steam pipework 25；35 to auxiliary agent for inputting bend pipe 24；Auxiliary agent in 34 is heated, and while auxiliary agent preheats, is evaporated
Extra moisture, steam pipework 25；35 are equipped with auxiliary agent preheating steam inlet 251；351 and auxiliary agent preheating use steam (vapor) outlet 252；
352, auxiliary agent preheating steam (vapor) outlet 252；352 for exporting condensed water.
As shown in fig. 6, in the present embodiment, gas collector 4 includes gas take over 41, wire mesh demister 42 and spray assemblies
43, the bottom end connection main reaction container 1 of gas take over 41, wire mesh demister 42 is installed on inside gas take over 41, silk screen foam removal
The metal filter screen composition of multiple-layer stacked can be used in device.Spray assemblies 43 are taken over including connecting tube 431, three-way pipe 432, demisting
433 and fog spray head 434 is removed, the opening one on the top and three-way pipe 432 of the both ends connection gas take over 41 of connecting tube 431, threeway
The opening two and opening three of pipe 432 take over input port 45 respectively as gas delivery port 44 and spray, and demisting take over 433 is through spray
Input port 45 is taken over to be installed in pipe, except fog spray head 434 is installed on the bottom of demisting take over 433, after demisting component 43 is opened, energy
The aqueous vapor on wire mesh demister is enough eliminated, so that gas is increased more unimpeded, improves gas collection efficiency.Wherein, 431 He of connecting tube
The side wall of three-way pipe 432 is the double-layer structure equipped with internal cavities 10, and internal cavities 10 are equipped with gas dry steam inlet 101
With gas dry steam (vapor) outlet 102, be passed through in internal cavities 10 ammonia hydrolysis generated after steam, carbon dioxide and
Water vapour carries out indirectly heat, realizes gas dry.
As shown in Figure 1, the side wall of main reaction container 1 is equipped with several observation windows 9, facilitate the reaction feelings in observation container
The top of condition, main reaction container 1 is additionally provided with service ports 8, and main reaction container does not work and in container after solution emptying, maintenance personal
It can enter from service ports in main reaction container and be overhauled.
The utility model is not limited to specific implementation mode above-mentioned.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
It closes.
Claims (6)
1. a kind of hydrolysis of urea reactor, it is characterised in that：Including main reaction container (1), primary heater (2), secondary heater (3)
With gas collector (4), the main reaction container (1) be equipped with for by main reaction container (1) be separated into main heating room (11) and
The internal partition (5) of additional hot cell (12), main heating room (11) and additional hot cell (12) are respectively equipped with urea inlet (6) and row
Liquid mouth (7), main heating room (11) and the bottom of additional hot cell (12) is not communicated with, top communicates；The primary heater (2) and additional
Hot device (3) is respectively used to heat to main heating room (11) and additional hot cell (12)；The gas collector (4) is connected to main heating room
(11) and the inside of additional hot cell (12), the gas generated during heating for collecting urea liquid.
2. hydrolysis of urea reactor according to claim 1, it is characterised in that：The primary heater (2) and secondary heater
(3) it is equipped with heating tube (21；31), steam inlet (22；32), steam (vapor) outlet (23；33), auxiliary agent inputs bend pipe (24；34) it, helps
Agent inputs bend pipe (24；34) it is used to add reaction promoter into main heating room (11) or additional hot cell (12)；The auxiliary agent input
Bend pipe (24；34) outer, coaxial is equipped with steam pipework (25；35), steam pipework (25；35) it is used to input bend pipe to auxiliary agent
(24；34) auxiliary agent in is heated, steam pipework (25；35) it is equipped with auxiliary agent preheating steam inlet (251；And auxiliary agent 351)
Preheating steam (vapor) outlet (252；352).
3. hydrolysis of urea reactor according to claim 2, it is characterised in that：The heating tube (21；31) it is all made of U-shaped
Heating tube.
4. hydrolysis of urea reactor according to claim 1, it is characterised in that：The gas collector (4) includes gas
(41), wire mesh demister (42) and spray assemblies (43) are taken over, gas takes over the bottom end connection main reaction container (1) of (41), silk
Net demister (42) is installed on gas and takes over (41) inside, and spray assemblies (43) include connecting tube (431), three-way pipe (432), remove
Mist takes over (433) and removes fog spray head (434), and the both ends connection gas of connecting tube (431) takes over top and the three-way pipe of (41)
(432) opening one, the opening two and opening three of three-way pipe (432) take over input respectively as gas delivery port (44) and spray
Mouth (45), except fog spray head (434) is installed on the bottom that demisting takes over (433).
5. hydrolysis of urea reactor according to claim 4, it is characterised in that：The connecting tube (431) and three-way pipe
(432) side wall is the double-layer structure equipped with internal cavities (10), and internal cavities (10) are equipped with gas dry steam inlet
(101) and gas dry is with steam (vapor) outlet (102).
6. hydrolysis of urea reactor according to claim 1, it is characterised in that：On the side wall of the main reaction container (1)
Equipped with several observation windows (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721769027.2U CN207774818U (en) | 2017-12-18 | 2017-12-18 | Hydrolysis of urea reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721769027.2U CN207774818U (en) | 2017-12-18 | 2017-12-18 | Hydrolysis of urea reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207774818U true CN207774818U (en) | 2018-08-28 |
Family
ID=63226799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721769027.2U Active CN207774818U (en) | 2017-12-18 | 2017-12-18 | Hydrolysis of urea reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207774818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840353A (en) * | 2017-12-18 | 2018-03-27 | 江苏中立环保科技有限公司 | Hydrolysis of urea reactor |
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2017
- 2017-12-18 CN CN201721769027.2U patent/CN207774818U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840353A (en) * | 2017-12-18 | 2018-03-27 | 江苏中立环保科技有限公司 | Hydrolysis of urea reactor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200312 Address after: 214400 qikqi Zhongshan Road, Xu Xiake Town, Jiangyin City, Wuxi City, Jiangsu Province, No. 1 Co-patentee after: SEC-IHI Power Generation Environment Protection Engineering Co., Ltd. Patentee after: JIANGSU ZHONGLI ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: 214400 qikqi Zhongshan Road, Xu Xiake Town, Jiangyin City, Wuxi City, Jiangsu Province, No. 1 Patentee before: JIANGSU ZHONGLI ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |