CN202336336U - Liquid ammonia neutralization device - Google Patents
Liquid ammonia neutralization device Download PDFInfo
- Publication number
- CN202336336U CN202336336U CN2011204520670U CN201120452067U CN202336336U CN 202336336 U CN202336336 U CN 202336336U CN 2011204520670 U CN2011204520670 U CN 2011204520670U CN 201120452067 U CN201120452067 U CN 201120452067U CN 202336336 U CN202336336 U CN 202336336U
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- China
- Prior art keywords
- release device
- agitated reactor
- circulating water
- liquefied ammonia
- arrangement according
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Abstract
The utility model discloses a liquid ammonia neutralization device, which comprises a vertical type reaction kettle, wherein the top portion of the reaction kettle is provided with a feed port, and the bottom of the reaction kettle is provided with a discharge port. The liquid ammonia neutralization device is characterized in that the inner wall of one side of the reaction kettle is provided with a buffer and a pressure release device, the buffer is connected with a liquid ammonia supply pipeline through an adjusting valve, the buffer is connected with the pressure release device through a pressure reducing valve, and the pressure release device is arranged in a sustained-release device arranged on the middle-lower portion of the reaction kettle. The outer wall of the reaction kettle is provided with a clamping sleeve, the lower portion of the clamping sleeve is provided with a circulating water inlet, the upper portion of the clamping sleeve is provided with a circulating water outlet, and a circulating water pump is arranged on a circulating water pipeline which is arranged between the circulating water inlet and the circulating water outlet. The liquid ammonia neutralization device can greatly reduce dosage of water during the preparation process of ammonia water through liquid ammonia, reduces energy consumption of evaporation water in follow-up steps, and is beneficial to reduce production cost.
Description
Technical field
The utility model relates to a kind of preparation facilities of ammoniacal liquor, especially a kind of liquefied ammonia neutralising arrangement.
Background technology
The potassium bearing rock comprehensive development and utilization is produced potash fertilizer and industrial solid wastes such as gangue, total utilization of PCA is produced chemical products with high added-value, and typical technology is that acid is decomposed the back and neutralized with ammoniacal liquor.Introduced a large amount of water in the above-mentioned N-process, diluted salt, like potassium sulfate, ammonium sulfate.To have to evaporate a large amount of moisture in order to obtain the solid salt in the subsequent process, consume extra energy.Liquefied ammonia neutralising arrangement of the prior art is because produce liquid hit phenomenon and produce a large amount of heat and can't use well in course of reaction.
The utility model content
The task of the utility model is to solve the technological deficiency that the liquefied ammonia neutralising arrangement that is used to prepare ammoniacal liquor in the prior art exists, and a kind of liquefied ammonia neutralising arrangement is provided.
Its technical solution is:
A kind of liquefied ammonia neutralising arrangement comprises the vertical response still, is provided with charging aperture at the top of agitated reactor, and the bottom is provided with drain hole; One side inwall of agitated reactor is provided with buffer and Voltage release device, and buffer connects the liquefied ammonia feeding pipe through control valve, and buffer connects Voltage release device through pressure-reducing valve, and Voltage release device connects the slow release device that is positioned at the agitated reactor middle and lower part; The outer wall of agitated reactor is provided with chuck, and the bottom of chuck is provided with circulating water intake, and the top of chuck is provided with circulating water outlet, and the circulating water line between circulating water intake and the circulating water outlet is provided with water circulating pump.
In agitated reactor, be provided with stirring vane, stirring vane connects the blade driving motor that is positioned at the agitated reactor top outer through drive rod, and above-mentioned stirring vane is positioned at the top of slow release device.
Aforesaid reaction vessel is provided with supporting base, and supporting base comprises at least three supporting legs.
Above-mentioned slow release device comprises two sections stainless steel tubes that are right-angled intersection, on the upper tube wall of each stainless steel tube, gathers to discharge micropore.
Be provided with the vertical steel pipe that is used to inlay ion-selective electrode at the aforesaid reaction vessel internal upper part, an ion-selective electrode is embedded in the vertical steel pipe.
The vertical range of above-mentioned slow release device and agitated reactor bottom is not less than 500mm, and the vertical range of slow release device and stirring vane is 200mm.
The opening direction of above-mentioned release micropore vertically upward, quantity is no less than 20.
The top of aforesaid reaction vessel also is provided with atmospheric valve, photoscope and temperature indicator.
The utlity model has following useful technique effect:
The utility model is through increasing (liquefied ammonia) Voltage release device and (liquefied ammonia) slow release device in agitated reactor; Directly utilize ammoniacal liquor and intermediate material to carry out neutralization reaction; Simultaneously through the heat exchange of condensed water in the chuck and the heat absorption of liquefied ammonia Voltage release device; Make reaction be able to equalization stable and carry out, reacted material is discharged via drain hole, gets into next flow process.The utility model can significantly reduce the consumption of water in the liquefied ammonia preparation ammoniacal liquor process, and the energy consumption that reduces evaporation water in the subsequent step, helps reducing production costs.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described further:
Figure is the structural principle sketch map of a kind of embodiment of the utility model.
The specific embodiment
In conjunction with accompanying drawing, a kind of liquefied ammonia neutralising arrangement comprises the vertical response still, is provided with charging aperture at the top of agitated reactor, and the bottom is provided with drain hole 16.One side inwall of agitated reactor is provided with buffer 1 and Voltage release device 2, and buffer connects the liquefied ammonia feeding pipe through control valve 3, and buffer connects Voltage release device through pressure-reducing valve 4, and Voltage release device connects the slow release device 5 that is positioned at the agitated reactor middle and lower part.A kind of like this optimal way is arranged, that is: above-mentioned slow release device comprises two sections stainless steel tubes that are right-angled intersection, on the upper tube wall of each stainless steel tube, gathers to discharge micropore.The opening direction of above-mentioned release micropore vertically upward, quantity is no less than 20.The outer wall of agitated reactor is provided with chuck 6, and the bottom of chuck is provided with circulating water intake 7, and the top of chuck is provided with circulating water outlet 8, and the circulating water line between circulating water intake and the circulating water outlet is provided with water circulating pump 9.In aforesaid reaction vessel, be provided with stirring vane 10, stirring vane connects the blade driving motor that is positioned at the agitated reactor top outer through drive rod, and above-mentioned stirring vane is positioned at the top of slow release device.Aforesaid reaction vessel is provided with supporting base, and supporting base comprises at least three supporting legs 11.Being provided with vertical steel pipe 12, one ion-selective electrodes 13 that are used to inlay ion-selective electrode at the aforesaid reaction vessel internal upper part is embedded in the vertical steel pipe.
In the aforesaid way, the vertical range of slow release device and agitated reactor bottom is not less than 500mm, and the vertical range of slow release device and stirring vane is 200mm.
In the aforesaid way, the top of agitated reactor also can be provided with atmospheric valve 14, photoscope and temperature indicator 16 etc.
Its operation principle roughly is:
At first by the liquefied ammonia feeding pipe liquefied ammonia of 1mpa-2mpa is sent into buffer through control valve, the liquefied ammonia that gets into buffer is decompressed to 0.1mpa-0.2mpa through pressure-reducing valve, and gets into Voltage release device.Get into slow release device through Voltage release device then, slowly discharge through discharging micropore.For avoiding the excessive and generation liquid hit phenomenon of heat release, be 0.2t-1t/h by control valve control liquefied ammonia flow velocity, add strong mixing simultaneously, and regulate the temperature that the condensed water flow velocity is controlled agitated reactor through water circulating pump, temperature in the kettle can be shown by temperature indicator.The terminal point of reaction can show through ion-selective electrode.After finishing, neutralization is released to subsequent processing by drain hole.
Aforesaid reaction vessel adopts stainless steel to process, and also can adopt carbon steel formula aluminium to process release, and the opening that discharges micropore vertically upward and directly feed in the water greater than 20 with respect to liquefied ammonia; Discharge at multiple spot, avoid occurring heat and discharge simultaneously, can not produce liquid hit phenomenon; Can guarantee that through the heat transfer process of chuck temperature in the kettle is lower than 50 ℃; Because can there be the saturated problem of ammonia in the ammonia that produces by neutralization immediately, adds the speed faster than hybrid reaction greatly.
The volume of the utility model can be 1m
3-10m
3
Need to prove that those skilled in the art can also make such or such easy variation pattern under the instruction of this specification, such as equivalent way, or obvious mode of texturing.Above-mentioned variation pattern all should be within the protection domain of the utility model.
Claims (8)
1. a liquefied ammonia neutralising arrangement comprises the vertical response still, is provided with charging aperture at the top of agitated reactor, and the bottom is provided with drain hole; It is characterized in that: a side inwall of agitated reactor is provided with buffer and Voltage release device, and buffer connects the liquefied ammonia feeding pipe through control valve, and buffer connects Voltage release device through pressure-reducing valve, and Voltage release device connects the slow release device that is positioned at the agitated reactor middle and lower part; The outer wall of agitated reactor is provided with chuck, and the bottom of chuck is provided with circulating water intake, and the top of chuck is provided with circulating water outlet, and the circulating water line between circulating water intake and the circulating water outlet is provided with water circulating pump.
2. liquefied ammonia neutralising arrangement according to claim 1; It is characterized in that: in said agitated reactor, be provided with stirring vane; Stirring vane connects the blade driving motor that is positioned at the agitated reactor top outer through drive rod, and said stirring vane is positioned at the top of slow release device.
3. liquefied ammonia neutralising arrangement according to claim 1 is characterized in that: said agitated reactor is provided with supporting base, and supporting base comprises at least three supporting legs.
4. liquefied ammonia neutralising arrangement according to claim 1 is characterized in that: said slow release device comprises two sections stainless steel tubes that are right-angled intersection, on the upper tube wall of each stainless steel tube, gathers to discharge micropore.
5. liquefied ammonia neutralising arrangement according to claim 1 is characterized in that: be provided with the vertical steel pipe that is used to inlay ion-selective electrode at said agitated reactor internal upper part, an ion-selective electrode is embedded in the vertical steel pipe.
6. liquefied ammonia neutralising arrangement according to claim 2 is characterized in that: the vertical range of said slow release device and agitated reactor bottom is not less than 500mm, and the vertical range of slow release device and stirring vane is 200mm.
7. liquefied ammonia neutralising arrangement according to claim 4 is characterized in that: the opening direction of said release micropore vertically upward, quantity is no less than 20.
8. liquefied ammonia neutralising arrangement according to claim 1 is characterized in that: the top of said agitated reactor also is provided with atmospheric valve, photoscope and temperature indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204520670U CN202336336U (en) | 2011-11-15 | 2011-11-15 | Liquid ammonia neutralization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204520670U CN202336336U (en) | 2011-11-15 | 2011-11-15 | Liquid ammonia neutralization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202336336U true CN202336336U (en) | 2012-07-18 |
Family
ID=46485042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204520670U Expired - Fee Related CN202336336U (en) | 2011-11-15 | 2011-11-15 | Liquid ammonia neutralization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202336336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115636424A (en) * | 2022-10-20 | 2023-01-24 | 北京能泰高科环保技术有限公司 | Equipment for preparing ammonia water from liquid ammonia |
-
2011
- 2011-11-15 CN CN2011204520670U patent/CN202336336U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115636424A (en) * | 2022-10-20 | 2023-01-24 | 北京能泰高科环保技术有限公司 | Equipment for preparing ammonia water from liquid ammonia |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20161115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |