CN204873854U - Air treatment device is put to analytic CO2 of synthetic ammonia decarbonization - Google Patents
Air treatment device is put to analytic CO2 of synthetic ammonia decarbonization Download PDFInfo
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- CN204873854U CN204873854U CN201520571065.1U CN201520571065U CN204873854U CN 204873854 U CN204873854 U CN 204873854U CN 201520571065 U CN201520571065 U CN 201520571065U CN 204873854 U CN204873854 U CN 204873854U
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- Prior art keywords
- thionizer
- tower
- decontaminating column
- synthetic ammonia
- purification tower
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Abstract
The utility model discloses an air treatment device is put to analytic CO2 of synthetic ammonia decarbonization, desulfurizing tower pass through the precooler, the condenser links to each other with the decontaminating column, still include governing valve, heat exchanger, subcooler, drying tower, and the drying tower is installed between desulfurizing tower and decontaminating column, and the heat exchanger is installed on the upper portion of decontaminating column, and the governing valve is installed on the decontaminating column, and the governing valve passes through the subcooler and links to each other with the decontaminating column, and the blast pipe is installed to the purification top of the tower. The utility model discloses put the air treatment device, increase heat exchanger and pressure regulating valve in the CO2 decontaminating column, the gaseous liquid CO2 of the giving heating of higher temperature CO2 that utilizes the precooler to come had both reduced the gaseous freezing volume of raw materials CO2, give the decontaminating column again in liquid CO2 provide the evaporation heat, make the low boiling component evaporated, improved CO2's quality, greatly reduced consumption, furthest reduces the loss of emptyying, adopt the parallelly connected or series connection of two desulfurizing towers, can reach under desulfurization effect's the prerequisite, improve the life of desulfurizer greatly.
Description
Technical field
The utility model relates to synthetic ammonia decarburization and resolves CO
2technical field, particularly relates to a kind of synthetic ammonia decarburization and resolves CO
2to drop a hint treatment unit.
Background technology
Synthetic ammonia take anthracite block coal as the ammonia production system of raw material, and the CO that drops a hint is resolved in PSA decarburization
2average content is about 86%, simultaneously containing minor component and saturation waters such as hydrogen, nitrogen, methane, hydrogen sulfide, sulphur carbonoxides, due to the existence of various trace impurity, has certain influence to quality product.
CO
2the Liquid carbon dioxide of mainly post liquefaction of purifying will be purified, and adopts compound purification tower, according to CO
2different from the boiling point of impurity composition, utilize low temperature fractionation principle, under given conditions impurity is separated.In the purification process of carbonic acid gas, a part of non-condensable gases needs emptying, and this part non-condensable gases contains a small amount of carbonic acid gas, and this part gas temperature is lower, damages human body.
Utility model content
The purpose of this utility model, in order to solve the defect problem of above-mentioned carbon dioxide purification, provides a kind of synthetic ammonia decarburization to resolve CO
2to drop a hint treatment unit, at CO
2increase interchanger and pressure regulator valve in purification tower, utilize the higher temperatures CO that pre-cooler comes
2gas gives liquid CO
2heating, decreases raw material CO on the one hand
2the refrigerating capacity of gas, also gives liquid CO in purification tower on the other hand
2provide vaporization heat, low boiling component is distilled out of, namely improve the quality of product, greatly reduce consumption again, and emptying loss can be reduced to greatest extent.
The required technical problem solved of the utility model can be achieved through the following technical solutions:
CO is resolved in a kind of synthetic ammonia decarburization
2to drop a hint treatment unit, comprise thionizer and purification tower, described thionizer is connected with purification tower by pre-cooler, condenser, also comprise variable valve, interchanger, recooler, drying tower, described drying tower is arranged between thionizer and purification tower, and described interchanger is arranged on the top of purification tower, and described variable valve is arranged on purification tower, described variable valve is connected with purification tower by recooler, and described purification tower top is provided with vapor pipe.
Further, described thionizer comprises the first thionizer and the second thionizer.
Further, described first thionizer is in parallel with the second thionizer or be connected in series.
Further, described variable valve is pressure regulator valve.
Further, described interchanger is shell and tube heat exchanger.
Further, at the bottom of the tower of described purification tower, tapping valve is installed.
Further, described vapor pipe is provided with vent valve.
The beneficial effects of the utility model: CO is resolved in a kind of synthetic ammonia decarburization
2to drop a hint treatment unit, at CO
2increase interchanger and pressure regulator valve in purification tower, utilize the higher temperatures CO that pre-cooler comes
2gas gives liquid CO
2heating, had both decreased raw material CO
2the refrigerating capacity of gas, gives liquid CO in purification tower again
2provide vaporization heat, low boiling component is distilled out of, improves CO
2quality, greatly reduce consumption, to greatest extent reduce emptying loss; Adopt two thionizers parallel connections or be connected in series, under the prerequisite reaching sweetening effectiveness, can greatly improve the work-ing life of sweetening agent.
Accompanying drawing explanation
Fig. 1 is the utility model structure drawing of device;
Related components nomenclature:
1, the first thionizer; 2, the second thionizer; 3, pre-cooler; 4, condenser; 5, purification tower; 6, pressure regulator valve; 7, shell and tube heat exchanger; 8, valve; 9, vapor pipe; 10, tapping valve; 11, drying tower; 12, recooler; 13, vent valve.
Embodiment
The technique means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
During concrete enforcement, composition graphs 1, CO is resolved in a kind of synthetic ammonia decarburization
2to drop a hint treatment unit, comprise thionizer, purification tower 5, pre-cooler 3, condenser 4, variable valve, interchanger, recooler 12, drying tower 11.Thionizer is connected successively with pre-cooler 3, condenser 4, drying tower 11, purification tower 5.Be provided with interchanger and variable valve in purification tower, interchanger can be shell and tube heat exchanger 7, and variable valve can be pressure regulator valve 6.Pressure regulator valve 6 is connected with recooler 12, and recooler is connected with purification tower.The top of purification tower is also provided with vapor pipe 9.
Thionizer comprises the first thionizer 1 and the second thionizer 2, first thionizer and the second thionizer can be connected in series or in parallel, and the first thionizer and the second thionizer can fall mutually simultaneously.When the first thionizer or the second thionizer run to the later stage, when processing power reaches capacity, by controlling the valve on thionizer, change the order of gas circulation, realize falling mutually of two thionizers, can under the prerequisite reaching desulfurization index, greatly improve the work-ing life of sweetening agent, simultaneously when system is not stopped, can sweetening agent be changed, reduce and open Parking Fee.
Liquid discharge conveniently in purification tower, is provided with tapping valve 10 at the bottom of the tower of purification tower.
In order to control the discharge of the not solidifying air in vapor pipe 9, vapor pipe is provided with vent valve 13.
Between pressure regulator valve and recooler, valve 8 can be installed.
Purifying due to system purification tower is carry out under 3.0MPa pressure, when non-condensable gases emptying, gas pressure drop is comparatively large, and obviously, this part emptying gas kinetic energy is larger, in order to reduce energy consumption, make full use of this kinetic energy, shell and tube heat exchanger and emptying pressure automatic regulating valve are set at purification tower top, set lower emptying pressure, the swollen rear generation cold of the throttling that makes to drop a hint is dropping a hint heat exchange condensation, thus a small amount of CO in making to drop a hint
2liquefaction is reclaimed, and promotes CO further
2yield.The cooling twice of cold after non-condensable gases throttling expansion for dropping a hint, thus a small amount of CO in making to drop a hint
2further liquefaction is reclaimed, and makes CO
2the rate of recovery reaches 96%.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. CO is resolved in a synthetic ammonia decarburization
2to drop a hint treatment unit, comprise thionizer and purification tower, described thionizer is connected with purification tower by pre-cooler, condenser, it is characterized in that: also comprise variable valve, interchanger, recooler, drying tower, described drying tower is arranged between thionizer and purification tower, and described interchanger is arranged on the top of purification tower, and described variable valve is arranged on purification tower, described variable valve is connected with purification tower by recooler, and described purification tower top is provided with vapor pipe.
2. resolve CO according to a kind of synthetic ammonia decarburization according to claim 1
2to drop a hint treatment unit, it is characterized in that: described thionizer comprises the first thionizer and the second thionizer.
3. resolve CO according to a kind of synthetic ammonia decarburization according to claim 2
2to drop a hint treatment unit, it is characterized in that: described first thionizer is in parallel with the second thionizer or be connected in series.
4. resolve CO according to a kind of synthetic ammonia decarburization according to claim 1
2to drop a hint treatment unit, it is characterized in that: described variable valve is pressure regulator valve.
5. resolve CO according to a kind of synthetic ammonia decarburization according to claim 1
2to drop a hint treatment unit, it is characterized in that: described interchanger is shell and tube heat exchanger.
6. resolve CO according to a kind of synthetic ammonia decarburization according to claim 1
2to drop a hint treatment unit, it is characterized in that: at the bottom of the tower of described purification tower, tapping valve is installed.
7. resolve CO according to a kind of synthetic ammonia decarburization according to claim 1
2to drop a hint treatment unit, it is characterized in that: described vapor pipe is provided with vent valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520571065.1U CN204873854U (en) | 2015-07-30 | 2015-07-30 | Air treatment device is put to analytic CO2 of synthetic ammonia decarbonization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520571065.1U CN204873854U (en) | 2015-07-30 | 2015-07-30 | Air treatment device is put to analytic CO2 of synthetic ammonia decarbonization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204873854U true CN204873854U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520571065.1U Expired - Fee Related CN204873854U (en) | 2015-07-30 | 2015-07-30 | Air treatment device is put to analytic CO2 of synthetic ammonia decarbonization |
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| Country | Link |
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| CN (1) | CN204873854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106395822A (en) * | 2015-07-30 | 2017-02-15 | 安徽华尔泰化工股份有限公司 | Treating apparatus for CO2 gas released in decarburization and desorption of synthesis ammonia |
-
2015
- 2015-07-30 CN CN201520571065.1U patent/CN204873854U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106395822A (en) * | 2015-07-30 | 2017-02-15 | 安徽华尔泰化工股份有限公司 | Treating apparatus for CO2 gas released in decarburization and desorption of synthesis 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20190730 |