CN201969466U - Combined type intermediate pressure ammonia absorber - Google Patents
Combined type intermediate pressure ammonia absorber Download PDFInfo
- Publication number
- CN201969466U CN201969466U CN2010206353220U CN201020635322U CN201969466U CN 201969466 U CN201969466 U CN 201969466U CN 2010206353220 U CN2010206353220 U CN 2010206353220U CN 201020635322 U CN201020635322 U CN 201020635322U CN 201969466 U CN201969466 U CN 201969466U
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- heat exchanger
- ammonia
- absorption
- combined type
- absorber
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Abstract
The utility model discloses a combined type intermediate pressure ammonia absorber, which comprises at least one heat exchanger, wherein the adjacent heat exchangers are overlapped and are communicated through a pipeline, the bottom of the heat exchanger is provided with a gas distributor parallel with a heat exchange pipe, the gas distributor is a distribution pipe fixed at the lower space of the heat exchanger, a plurality of rows of small holes are uniformly distributed on the upper surface of the distribution pipe, a vapour-liquid separation space is retained in the heat exchanger, the uppermost heat exchanger is provided with a vertical filler washing tower, the washing tower is provided with an inert gas outlet, and the bottom of the lowest heat exchanger is provided with an absorption liquid outlet and an ammonia and inert gas inlet. The combined type intermediate pressure ammonia absorber is used for NH3 steam stripping or intermediate ammonia absorption and tail gas absorption in a water solution complete cycle urea device, a combined type horizontal washing absorber is used for absorption in multiple stages, and compared with the commonly used vertical cooler absorber in China, the combined type intermediate pressure ammonia absorber has a good absorption effect, the emission of NH3 is reduced, and a filler washing section is arranged for final-stage absorption so as to ensure the washing effect of ammonia.
Description
Technical field
The utility model relates to the pressure ammonia absorber of a kind of NH3 of being used for stripping or aqueous solution complete circling urea device.
Background technology
The existing pressure ammonia absorber that is used for NH3 stripping urea device, assimilation effect is bad, is unfavorable for reducing the discharging of NH3, and the adaptability of operating mode is not strong, and operating flexibility is little.
The utility model content
The purpose of this utility model is at deficiency of the prior art, a kind of good absorbing effect is provided, greatly reduces in the combined type of NH3 discharging and press ammonia absorber.
The purpose of this utility model realizes by following technical proposals:
Press ammonia absorber in a kind of combined type, comprise at least one heat exchanger, be communicated with by pipeline between overlapping setting of adjacent heat exchanger and the adjacent heat exchanger, described heat exchanger bottom is provided with the gas distributor parallel with heat exchanger tube, described gas distributor is the distributor pipe that is fixed on the heat exchanger lower space, many row's apertures evenly distribute above the described distributor pipe, described heat exchanger inside remains with the vapor-liquid separation space, vertical stuffing washing tower is set on the heat exchanger of topmost, described scrubbing tower is provided with the inert gas outlet, and the heat exchanger bottom of foot is provided with the absorption liquid outlet, ammonia and inert gas entrance.
As optimal way, the described middle ammonia absorber of pressing comprises three overlapping from low to high heat exchangers.
Workflow of the present utility model: a heat exchanger entrance enters from overlapping bottom for ammonia and inert gas, evenly enter liquid phase by gas distributor, liquid also enters heat exchanger from the bottom of each grade heat exchanger, gas after the absorption directly enters the upper level heat exchanger by pipeline, liquid is then drawn from each grade heat exchanger middle and upper part and is entered the next stage heat exchanger, forms bubble type and absorbs; Gas distributor is the distributor pipe that is fixed on the heat exchanger lower space, and many row's apertures that evenly distribute above the described distributor pipe can make distribution of gas even, and gas-liquid contacts, and every grade of heat exchanger inner and upper keeps certain vapor-liquid separation space, makes vapor-liquid separation abundant; The heat exchanger of upper level is provided with vertical stuffing washing tower, absorb remaining ammonia to guarantee the clean result of ammonia with condensate liquid, inert gas is discharged from the inert gas outlet after absorbing, absorption liquid is discharged by the absorption liquid outlet of the heat exchanger of foot, presses the absorption of ammonia absorber to realize by gravity current in the whole novel combination type.
The beneficial effects of the utility model: the pressure ammonia that present technique is used for NH3 stripping or aqueous solution complete circling urea device absorbs and the tail gas absorption, adopt the horizontal washing absorber of novel combined type, divide multistage absorption, satisfy the technological requirement that ammonia absorbs from the absorption reaction principle, compare the domestic upright radiator absorber that generally adopts, good absorbing effect reduces the discharging of NH3, can adapt to different operating modes, operating flexibility is big; Gas distributor can make distribution of gas even, and gas-liquid contacts, and the design segmentation of cooler removes ammonia and absorbs heat, and vapor-liquid separation space appropriate design, final stage absorb the padding washing section is set, and guarantee the clean result of ammonia; The equipment Combination Design, floor space is little; Equipment and materials can adopt carbon steel material, or stainless steel combines with carbon steel material, can save the investment of equipment.
Description of drawings
Fig. 1 is the front view of first kind of embodiment of the utility model.
Fig. 2 is the side view of first kind of embodiment of the utility model.
Fig. 3 is the front view of second kind of embodiment of the utility model.
Wherein, 1 is heat exchanger A; 2 is heat exchanger B; 3 is heat exchanger C; 4 is vertical stuffing washing tower; 5 is gas distributor; 6 is ammonia and inert gas entrance; 7 are the absorption liquid outlet; 8 are the inert gas outlet; 9 is the vapor-liquid separation space; 10 is heat exchanger tube.
The specific embodiment
Below in conjunction with specific embodiments and the drawings the utility model is further described.
As Fig. 1, shown in Figure 2, press ammonia absorber in a kind of combined type, comprise three overlapping from low to high heat exchangers: heat exchanger 1, heat exchanger 2, heat exchanger 3, be communicated with by pipeline between overlapping setting of adjacent heat exchanger and the adjacent heat exchanger, described heat exchanger bottom is provided with the gas distributor 5 parallel with heat exchanger tube 10, described gas distributor is the distributor pipe that is fixed on the heat exchanger lower space, many row's apertures evenly distribute above the described distributor pipe, described heat exchanger inside remains with vapor-liquid separation space 9, vertical stuffing washing tower 4 is set on the heat exchanger of topmost, described scrubbing tower is provided with inert gas outlet 8, and the heat exchanger bottom of foot is provided with absorption liquid outlet 7, ammonia and inert gas entrance 6.
Workflow of the present utility model: ammonia and inert gas enter from the ammonia and the inert gas entrance 6 of the heat exchanger 1 in overlapping bottom, evenly enter liquid phase by gas distributor 5, liquid also enters heat exchanger from the bottom of each grade heat exchanger, gas after the absorption directly enters the upper level heat exchanger by pipeline, liquid is then drawn from each grade heat exchanger middle and upper part and is entered the next stage heat exchanger, forms bubble type and absorbs; Gas distributor is the distributor pipe that is fixed on the heat exchanger lower space, and many row's apertures that evenly distribute above the described distributor pipe can make distribution of gas even, and gas-liquid contacts, and every grade of heat exchanger inner and upper keeps certain vapor-liquid separation space 9, makes vapor-liquid separation abundant; The heat exchanger of upper level is provided with vertical stuffing washing tower 4, absorb remaining ammonia to guarantee the clean result of ammonia with condensate liquid, inert gas is discharged from inert gas outlet 8 after absorbing, absorption liquid is discharged by the absorption liquid outlet 7 of the heat exchanger 1 of foot, presses the absorption of ammonia absorber to realize by gravity current in the whole novel combination type.
As shown in Figure 3, heat exchanger has only one in the present embodiment, heat exchanger 1 bottom is provided with the gas distributor 5 parallel with heat exchanger tube 10, gas distributor is the distributor pipe that is fixed on the heat exchanger lower space, evenly distribute to arrange apertures above the described distributor pipe, described heat exchanger inside remains with the vapor-liquid separation space, and vertical stuffing washing tower 4 is set on the heat exchanger more, described scrubbing tower is provided with inert gas outlet 8, and the heat exchanger bottom is provided with absorption liquid outlet 7, ammonia and inert gas entrance 6.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1. press ammonia absorber in a combined type, it is characterized in that: comprise at least one heat exchanger, be communicated with by pipeline between overlapping setting of adjacent heat exchanger and the adjacent heat exchanger, described heat exchanger bottom is provided with the gas distributor (5) parallel with heat exchanger tube (10), described gas distributor is the distributor pipe that is fixed on the heat exchanger lower space, many row's apertures evenly distribute above the described distributor pipe, described heat exchanger inside remains with vapor-liquid separation space (9), vertical stuffing washing tower (4) is set on the heat exchanger of topmost, described scrubbing tower is provided with inert gas outlet (8), and the heat exchanger bottom of foot is provided with absorption liquid outlet (7), ammonia and inert gas entrance (6).
2. press ammonia absorber in the combined type as claimed in claim 1, it is characterized in that: comprise overlapping from low to high three heat exchangers (1,2,3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206353220U CN201969466U (en) | 2010-12-01 | 2010-12-01 | Combined type intermediate pressure ammonia absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206353220U CN201969466U (en) | 2010-12-01 | 2010-12-01 | Combined type intermediate pressure ammonia absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201969466U true CN201969466U (en) | 2011-09-14 |
Family
ID=44574575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206353220U Expired - Lifetime CN201969466U (en) | 2010-12-01 | 2010-12-01 | Combined type intermediate pressure ammonia absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201969466U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389689A (en) * | 2011-10-09 | 2012-03-28 | 刘军 | Powerless low-temperature isobaric ammonia recovering method and isobaric ammonia recovering device |
| CN103405995A (en) * | 2013-07-09 | 2013-11-27 | 内蒙古鄂尔多斯联合化工有限公司 | Treatment method of vented air in urea production |
| CN109595140A (en) * | 2018-12-28 | 2019-04-09 | 合肥通用机械研究院有限公司 | A kind of horizontal type cooler for large-scale refrigeration compressor |
| CN109603443A (en) * | 2019-02-15 | 2019-04-12 | 陕西陕化煤化工集团有限公司 | The recyclable device of ammonia in a kind of mesolow emptying gas |
-
2010
- 2010-12-01 CN CN2010206353220U patent/CN201969466U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389689A (en) * | 2011-10-09 | 2012-03-28 | 刘军 | Powerless low-temperature isobaric ammonia recovering method and isobaric ammonia recovering device |
| CN103405995A (en) * | 2013-07-09 | 2013-11-27 | 内蒙古鄂尔多斯联合化工有限公司 | Treatment method of vented air in urea production |
| CN109595140A (en) * | 2018-12-28 | 2019-04-09 | 合肥通用机械研究院有限公司 | A kind of horizontal type cooler for large-scale refrigeration compressor |
| CN109603443A (en) * | 2019-02-15 | 2019-04-12 | 陕西陕化煤化工集团有限公司 | The recyclable device of ammonia in a kind of mesolow emptying gas |
| CN109603443B (en) * | 2019-02-15 | 2021-08-03 | 陕西陕化煤化工集团有限公司 | Recovery unit of ammonia among well low pressure unloading gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110914 |