CN213294701U - Device for preventing ammonia separator from stopping with liquid - Google Patents
Device for preventing ammonia separator from stopping with liquid Download PDFInfo
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- CN213294701U CN213294701U CN202022028430.8U CN202022028430U CN213294701U CN 213294701 U CN213294701 U CN 213294701U CN 202022028430 U CN202022028430 U CN 202022028430U CN 213294701 U CN213294701 U CN 213294701U
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Abstract
The utility model belongs to the technical field of gas separation, concretely relates to prevent device that ammonia separator area liquid from stopping, include the ammonia cooler, ammonia separator and the ammonia absorber that connect gradually through the pipeline, the bottom export of ammonia separator is through the middle part of liquid ammonia union coupling to rectifying column, be provided with centrifugal pump and ammonia pump on the liquid ammonia pipe, circulating pipe one end is connected on the liquid ammonia pipe between centrifugal pump and the ammonia pump, the other end links to each other with the middle part of ammonia separator. The utility model discloses reduce the liquid level in the ammonia separator, eliminated the parking hidden danger that the ammonia separator liquid level frequently rises and brings, reduced the artifical ammonia extraction's of staff the amount of labour simultaneously, optimized the operational environment of equipment, guaranteed the steady operation of ammonia press, the utility model discloses with low costs, the income is big, is worth promoting.
Description
Technical Field
The utility model belongs to the technical field of gas separation, concretely relates to prevent device that ammonia separator takes liquid to park.
Background
The low-temperature methanol washing uses cold methanol as an absorption solvent, and removes the acid gas in the raw material gas by utilizing the excellent characteristic that the methanol has extremely high solubility to the acid gas at low temperature. The process generally comprises an absorption tower and a plurality of desorption towers, wherein the absorption tower absorbs the acid gas, and the desorption towers desorb the acid gas and return barren solution methanol to the absorption tower so as to recycle the methanol. Wash high load operation back at low temperature methyl alcohol, low temperature methyl alcohol washes ammonia cooler load too big, in addition summer weather is hot, the ammonia cooler has the liquid phenomenon of taking, send into the ammonia separator after too much liquid gas ammonia of taking, the liquid level that leads to in the ammonia separator rises, it can arouse the compressor of interlocking to jump car to exceed 1100mm, can seriously lead to the system to park, bring great hidden danger for the steady operation of system, original ammonia drainage pump belongs to the canned motor pump, and is with high costs, the effect is poor, the later stage can only be through artifical flowing back, artifical frequent flowing back, this has not only brought great potential safety hazard, staff's work load has still been increased.
Disclosure of Invention
In order to solve the problem that the liquid-carrying condition in the ammonia separator in the prior art seriously leads to the instability of the system, the utility model provides a device for preventing the ammonia separator from stopping with liquid.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a prevent device that ammonia separator from taking liquid parking, includes ammonia cooler, ammonia separator and the ammonia absorber that connects gradually through the pipeline, the export of ammonia separator still is through liquid ammonia union coupling to rectifying column, be provided with centrifugal pump and ammonia pump on the liquid ammonia pipe, circulating pipe one end is connected on the liquid ammonia pipe between centrifugal pump and the ammonia pump, the other end links to each other with the ammonia separator.
Further, a compressor and a cooler are arranged between the ammonia separator and the ammonia absorber.
Further, a gas pump is arranged between the ammonia separator and the compressor.
Further, the ammonia absorber is connected with the tower kettle of the rectifying tower through a pipeline.
Further, the outlet of the ammonia absorber is connected with an ammonia water tank.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a set up a liquid ammonia pipe and lead to the rectifying column in the bottom of ammonia separator, set up centrifugal pump and ammonia pump on the liquid ammonia pipe, increase a circulating pipe and insert the ammonia separator between centrifugal pump and the ammonia pump for liquid ammonia in the ammonia separator can squeeze into the entry entering rectifying column of ammonia pump through the centrifugal pump, a small part of liquid ammonia and gas ammonia are sent back the ammonia separator through the circulating pipe, thereby liquid level in the ammonia separator has been reduced, the parking hidden danger that the ammonia separator liquid level frequently rises and brings has been eliminated, the amount of labour of staff's manual work ammonia extraction has been reduced simultaneously, the operational environment of equipment has been optimized, the steady operation of ammonia press has been guaranteed, the utility model discloses with low costs, the income is big, is worth promoting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the drawings, the reference numbers: 1 is an ammonia cooler, 2 is an ammonia separator, 3 is a gas pump, 4 is a compressor, 5 is a cooler, 6 is an ammonia absorber, 7 is an ammonia water tank, 8 is a centrifugal pump, 9 is an ammonia water pump, 10 is a rectifying tower, 11 is a liquid ammonia pipe, and 12 is a circulating pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
A device for preventing an ammonia separator from stopping with liquid is shown in figure 1 and comprises an ammonia cooler 1, an ammonia separator 2 and an ammonia absorber 6 which are sequentially connected through pipelines, wherein a bottom outlet of the ammonia separator 2 is connected to the middle part of a rectifying tower 10 through a liquid ammonia pipe 11, a centrifugal pump 8 and an ammonia pump 9 are arranged on the liquid ammonia pipe 11, one end of a circulating pipe 12 is connected to the liquid ammonia pipe 11 between the centrifugal pump 8 and the ammonia pump 9, and the other end of the circulating pipe is connected with the middle part of the ammonia separator 2.
Further, a compressor 4 and a cooler 5 are arranged between the ammonia separator 2 and the ammonia absorber 6, and the ammonia gas from the ammonia separator 2 needs to be compressed and cooled before the ammonia absorber 6.
Further, a gas pump 3 is arranged between the ammonia separator 2 and the compressor 4, and the gas pump 3 is used for supplying power for the gas ammonia in the ammonia separator 2 to enter the compressor 4 and subsequent equipment.
Further, the ammonia absorber 6 is connected with the tower bottom of the rectifying tower 10 through a pipeline, and tower bottom liquid of the rectifying tower 10 enters the ammonia absorber 6 as ammonia absorption liquid after being processed by the heat exchanger.
Further, an outlet of the ammonia absorber 6 is connected with an ammonia water tank 7, and the absorption liquid in the ammonia absorber 6 absorbs ammonia gas to generate an ammonia water solution which is sent to the ammonia water tank 7 for storage.
The utility model discloses a use does: liquid ammonia with liquid and gas and 0.056Mpa which passes through a low-temperature methanol ammonia washing cooler 1 enters an ammonia separator 2 through a pipeline to separate entrained liquid ammonia fog drops, the liquid ammonia at the bottom of the ammonia separator 2 is pumped into an ammonia pump 9 through a liquid ammonia pipe 11 by a centrifugal pump 8 and finally reaches a rectifying tower 10 to be rectified, a small part of the liquid ammonia and the gas ammonia is sent back to the ammonia separator 2 through a circulating pipe 12, the circulation of the liquid ammonia and the gas ammonia is rated flow for ensuring the normal operation of the centrifugal pump 8, and the liquid ammonia in the ammonia separator 2 is discharged in time, so that the shutdown phenomenon of a linked compressor 4 caused by overhigh liquid in the ammonia separator 2 is prevented; the gas ammonia in the ammonia separator 2 is compressed to 0.3Mpa by a compressor 4, then is cooled to 40 ℃ by a cooler 5, and then is sent into an ammonia absorber 6, the absorption liquid in the ammonia absorber 6 is the dilute ammonia water with the concentration of 21.2%, 48 ℃ and 1.65Mpa which is obtained by cooling the tower bottom liquid in the rectifying tower 10 by a heat exchanger, and the gas ammonia is completely absorbed to generate the ammonia water solution with the concentration of 34.8%, and then is sent to an ammonia water tank 7 for storage. The heat generated in the absorption process of the ammonia separator 2 is taken away by the circulating cooling water in the tube pass of the ammonia absorber 6, so that the continuous operation of the absorption process is facilitated.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a prevent device that ammonia separator from taking liquid parking, includes ammonia cooler (1), ammonia separator (2) and ammonia absorber (6) that connect gradually through the pipeline, its characterized in that, the export of ammonia separator (2) still is connected to rectifying column (10) through liquid ammonia pipe (11), be provided with centrifugal pump (8) and ammonia pump (9) on liquid ammonia pipe (11), circulating pipe (12) one end is connected on liquid ammonia pipe (11) between centrifugal pump (8) and ammonia pump (9), the other end links to each other with ammonia separator (2).
2. An arrangement for preventing liquid shut down of an ammonia separator according to claim 1, characterized in that a compressor (4) and a cooler (5) are further arranged between the ammonia separator (2) and the ammonia absorber (6).
3. An arrangement for preventing an ammonia separator from stopping with liquid according to claim 2, characterized in that a gas pump (3) is further arranged between the ammonia separator (2) and the compressor (4).
4. The device for preventing the liquid-carrying shutdown of the ammonia separator as claimed in claim 1, wherein the ammonia absorber (6) is connected with the bottom of the rectifying tower (10) through a pipeline.
5. An arrangement for preventing liquid shut down of an ammonia separator according to claim 1, characterized in that the outlet of the ammonia absorber (6) is connected to an ammonia tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022028430.8U CN213294701U (en) | 2020-09-16 | 2020-09-16 | Device for preventing ammonia separator from stopping with liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022028430.8U CN213294701U (en) | 2020-09-16 | 2020-09-16 | Device for preventing ammonia separator from stopping with liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213294701U true CN213294701U (en) | 2021-05-28 |
Family
ID=76032930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022028430.8U Active CN213294701U (en) | 2020-09-16 | 2020-09-16 | Device for preventing ammonia separator from stopping with liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213294701U (en) |
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2020
- 2020-09-16 CN CN202022028430.8U patent/CN213294701U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 454550 Qinbei industrial cluster, Qinyang City, Jiaozuo City, Henan Province Patentee after: Henan Jinkong Tianqing Coal Chemical Co.,Ltd. Address before: 454550 Qinbei industrial cluster, Qinyang City, Jiaozuo City, Henan Province Patentee before: HENAN JINMEI TIANQING COAL CHEMICAL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |