CN205313082U - Carbon dioxide and hydrogen recovery device in tail gas - Google Patents
Carbon dioxide and hydrogen recovery device in tail gas Download PDFInfo
- Publication number
- CN205313082U CN205313082U CN201521069904.6U CN201521069904U CN205313082U CN 205313082 U CN205313082 U CN 205313082U CN 201521069904 U CN201521069904 U CN 201521069904U CN 205313082 U CN205313082 U CN 205313082U
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- carbon dioxide
- hydrogen
- gas
- recovery unit
- tail gas
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Abstract
The utility model discloses a carbon dioxide and hydrogen recovery device in tail gas, including carbon dioxide recovery unit and hydrogen recovery unit, carbon dioxide recovery unit is including connecting in tail gas conveying system's scrubber, and the scrubber is connected with a plurality of first adsorption towers, is equipped with first gas outlet and desorption export on the first adsorption tower, and the desorption exit linkage has the vacuum pump, and the vacuum pump has connected gradually carbon dioxide buffer tank and booster pump, and the booster pump is connected with flare system and carbon dioxide application system through the valve respectively, the hydrogen recovery unit includes the gas mixture buffer tank, and the gas mixture buffer tank is connected with a plurality of second adsorption towers, and the second adsorption tower is equipped with second gas outlet and adsorbed gas export, and the second gas outlet is connected in hydrogen application system, adsorbed gas exit linkage in flare system. Retrieve unit and hydrogen recovery unit through carbon dioxide, can retrieve carbon dioxide and hydrogen in the tail gas, improve economic benefits, reduce environmental pollution's risk.
Description
Technical field
This utility model relates to tail gas recycle technical field, particularly relates to carbon dioxide and hydrogen gas recovering device in a kind of tail gas.
Background technology
When factory's hydrogen manufacturing workshop carries out process for making hydrogen; the tail gas of its discharge generally also has substantial amounts of carbon dioxide, hydrogen and other heavy constituent gas; if being directly discharged to the external world; can there is the risk of contaminated environment on the one hand; carbon dioxide and hydrogen are wasted on the other hand; cause certain economic loss, it is therefore desirable to a kind of device that carbon dioxide in tail gas and hydrogen can be reclaimed.
Utility model content
The purpose of this utility model is in that to provide carbon dioxide and hydrogen gas recovering device in a kind of tail gas, it is possible to the carbon dioxide in tail gas and hydrogen are reclaimed, increases economic efficiency, reduce the risk of environmental pollution.
For reaching this purpose, this utility model by the following technical solutions: carbon dioxide and hydrogen gas recovering device in a kind of tail gas, including carbon dioxide recovery unit and coupled hydrogen recovery unit, wherein:
Described carbon dioxide recovery unit includes the scrubber being connected to tail gas induction system, described scrubber is connected to some first adsorption towers, described first adsorption tower is provided with the first gas outlet being connected to described hydrogen recovery unit and solves suction outlet, described solution suction outlet is connected to vacuum pump, described vacuum pump is connected with carbon dioxide buffer tank and booster pump in turn, and described booster pump is connected to flare system and Carbon Dioxide Application system respectively through valve;
Described hydrogen recovery unit includes the gaseous mixture surge tank being connected with the first gas outlet, described gaseous mixture surge tank is connected to some second adsorption towers, described second adsorption tower is provided with the second gas outlet and adsorbed gas outlet, second gas outlet is connected to hydrogen applications system, and described adsorbed gas outlet is connected to flare system.
As preferably, being provided with booster pump between described first gas outlet and gaseous mixture surge tank.
As preferably, the solution suction outlet of described some first adsorption towers is connected to the first main pipeline by the first lateral, and is connected to described vacuum pump by the first main pipeline.
As preferably, being provided with adjustment valve between described scrubber and the first adsorption tower.
As preferably, described scrubber is provided with scrubber's outlet, which is provided with adjustment valve.
As preferably, the adsorbed gas outlet of described some second adsorption towers is connected to the second main pipeline by the second lateral, and is connected to flare system by the second main pipeline.
The beneficial effects of the utility model: by arranging carbon dioxide recovery unit and hydrogen recovery unit, the carbon dioxide in tail gas and hydrogen can be reclaimed, improve the resource utilization of carbon dioxide and hydrogen, and improve economic benefit, reduce the risk of environmental pollution.
Accompanying drawing explanation
Fig. 1 is this utility model principle schematic.
In figure:
1, tail gas induction system; 2, scrubber; 3, the first adsorption tower; 4, vacuum pump; 5, carbon dioxide buffer tank; 6, booster pump; 7, flare system; 8, Carbon Dioxide Application system; 9, valve; 10, gaseous mixture surge tank; 11, the second adsorption tower; 12, hydrogen applications system; 13, valve is regulated; 21, scrubber's outlet; 31, the first gas outlet; 32, suction outlet is solved; 33, the first lateral; 34, the first main pipeline; 111, the second gas outlet; 112, adsorbed gas outlet; 113, the second lateral; 114, the second main pipeline.
Detailed description of the invention
The technical solution of the utility model is further illustrated below in conjunction with accompanying drawing and by detailed description of the invention.
This utility model provides carbon dioxide and hydrogen gas recovering device in a kind of tail gas, concrete as it is shown in figure 1, it includes carbon dioxide recovery unit and coupled hydrogen recovery unit, wherein:
Carbon dioxide recovery unit includes the scrubber 2 being connected to tail gas induction system 1, and wherein tail gas induction system 1 for carrying the tail gas in hydrogen manufacturing workshop to this device, and a small amount of liquid carried then for tail gas carries out primary wash, is removed by scrubber 2;
Scrubber 2 is connected to some first adsorption towers 3, for major part carbon dioxide in absorption tail gas and other heavy constituent gas gases such as () such as methane; First adsorption tower 3 is provided with the first gas outlet 31 being connected to above-mentioned hydrogen recovery unit and solves suction outlet 32, wherein solve suction outlet 32 and be connected to vacuum pump 4, this vacuum pump 4 is connected with carbon dioxide buffer tank 5 and booster pump 6 in turn, and booster pump 6 is connected to flare system 7 and Carbon Dioxide Application system 8 respectively through valve 9; In said process, the scrubbed device 2 of tail gas enters the first adsorption tower 3, by the first adsorption tower 3 by major part carbon dioxide and other heavy constituent gas absorption in tail gas, remains a small amount of carbon dioxide, heavy constituent gas and substantial amounts of hydrogen subsequently in tail gas; Gaseous mixture after above-mentioned absorption is flowed into by the first gas outlet 31 and states hydrogen recovery unit subsequently; By vacuum pump 4, first time adsorption tower 3 is carried out evacuation subsequently, carry out pressure-swing desorption, by the carbon dioxide of the first adsorption tower 3 internal adsorption and other heavy constituent gas desorptions out, and the difference according to required vacuum, can successively desorbing place carbon dioxide and heavy constituent gas, the carbon dioxide of desorbing is delivered to carbon dioxide buffer tank 5, and eventually through booster pump 6, the carbon dioxide in carbon dioxide buffer tank 5 is delivered to Carbon Dioxide Application system 8, carry out the application of carbon dioxide, in the present embodiment, it is also possible to be fed directly in storage tank;The heavy constituent gas being desorbed then is pressurized pump 6 and is delivered to flare system 7, carries out burning cracking, to avoid being discharged into contaminated environment in air. It should be understood that when carrying out carbon dioxide desorbing, the corresponding valve 9 in flare system 7 is closed, when carrying out heavy constituent gas desorption, the valve 9 in Carbon Dioxide Application system 8 is closed. In the present embodiment, valve 9 is preferably used butterfly valve or ball valve.
Hydrogen recovery unit includes the gaseous mixture surge tank 10 being connected with the first gas outlet 31, this gaseous mixture surge tank 10 is for placing the gaseous mixture flowed out from the first adsorption tower 3, it is connected to some second adsorption towers 11, second adsorption tower 11 is for continuing the carbon dioxide in gaseous mixture and heavy constituent gas are adsorbed, and through second adsorption tower 11 absorption after mixing gas in density of hydrogen up to 99%, namely final after the second adsorption tower 11 absorption, discharge is highly purified hydrogen. Above-mentioned second adsorption tower 11 is provided with the second gas outlet 111 and adsorbed gas outlet 112, wherein the second gas outlet 111 is connected to hydrogen applications system 12, the high-purity hydrogen discharged after the second adsorption tower 11 absorption flows into hydrogen applications system 12 through the second gas outlet 111, carry out the application of hydrogen, same, can also be fed directly in storage tank, to treat that he uses. Adsorbed gas outlet 112 is then connected to flare system 7, burns cracking by after the heavy constituent gas desorption of absorption through flare system 7, is equally useful vacuum pump 4 for the desorbing of this heavy constituent gas and realizes in the present embodiment.
It is provided with booster pump 6, for pumping the gaseous mixture flowed out from the first gas outlet 31 to gaseous mixture surge tank 10 between the first gas outlet 31 and gaseous mixture surge tank 10.
As preferred technical scheme, the solution suction outlet 32 of above-mentioned some first adsorption towers 3 is respectively connected with the first lateral 33, and multiple first lateral 33 is all connected to the first main pipeline 34, and it is connected to vacuum pump 4 by the first main pipeline 34, namely can realize the pressure-swing desorption to multiple first adsorption towers 3 by a vacuum pump 4.
Adjustment valve 13 it is provided with, for the adjustment to exhaust flow between scrubber 2 and the first adsorption tower 3.
In the present embodiment, scrubber 2 is provided with scrubber's outlet 21, which is provided with adjustment valve 13.
The adsorbed gas outlet 111 of above-mentioned some second adsorption towers 11 is all connected to the second lateral 113, and second lateral 113 be all connected to the second main pipeline 114, and it being connected to flare system 7 by the second main pipeline 114, the collective to realize counterweight component gas carries.
Obviously, above-described embodiment of the present utility model is only used to clear this utility model example that illustrates, and is not the restriction to embodiment of the present utility model. For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description. Here without also cannot all of embodiment be given exhaustive. All any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within this utility model scope of the claims.
Claims (6)
1. carbon dioxide and hydrogen gas recovering device in a tail gas, it is characterised in that include carbon dioxide recovery unit and coupled hydrogen recovery unit, wherein:
Described carbon dioxide recovery unit includes the scrubber (2) being connected to tail gas induction system (1), described scrubber (2) is connected to some first adsorption towers (3), described first adsorption tower (3) is provided with the first gas outlet (31) being connected to described hydrogen recovery unit and solves suction outlet (32), described solution suction outlet (32) is connected to vacuum pump (4), described vacuum pump (4) is connected with carbon dioxide buffer tank (5) and booster pump (6) in turn, described booster pump (6) is connected to flare system (7) and Carbon Dioxide Application system (8) respectively through valve (9),
Described hydrogen recovery unit includes the gaseous mixture surge tank (10) being connected with the first gas outlet (31), described gaseous mixture surge tank (10) is connected to some second adsorption towers (11), described second adsorption tower (11) is provided with the second gas outlet (111) and adsorbed gas outlet (112), second gas outlet (111) is connected to hydrogen applications system (12), and described adsorbed gas outlet (112) is connected to flare system (7).
2. carbon dioxide and hydrogen gas recovering device in tail gas according to claim 1, it is characterised in that be provided with booster pump (6) between described first gas outlet (31) and gaseous mixture surge tank (10).
3. carbon dioxide and hydrogen gas recovering device in tail gas according to claim 1, it is characterized in that, the solution suction outlet (32) of described some first adsorption towers (3) is connected to the first main pipeline (34) by the first lateral (33), and is connected to described vacuum pump (4) by the first main pipeline (34).
4. carbon dioxide and hydrogen gas recovering device in tail gas according to claim 1, it is characterised in that be provided with adjustment valve (13) between described scrubber (2) and the first adsorption tower (3).
5. carbon dioxide and hydrogen gas recovering device in tail gas according to claim 4, it is characterised in that described scrubber (2) are provided with scrubber's outlet (21), which is provided with adjustment valve (13).
6. carbon dioxide and hydrogen gas recovering device in tail gas according to claim 1, it is characterized in that, adsorbed gas outlet (112) of described some second adsorption towers (11) is connected to the second main pipeline (114) by the second lateral (113), and is connected to flare system (7) by the second main pipeline (114).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521069904.6U CN205313082U (en) | 2015-12-17 | 2015-12-17 | Carbon dioxide and hydrogen recovery device in tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521069904.6U CN205313082U (en) | 2015-12-17 | 2015-12-17 | Carbon dioxide and hydrogen recovery device in tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205313082U true CN205313082U (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521069904.6U Expired - Fee Related CN205313082U (en) | 2015-12-17 | 2015-12-17 | Carbon dioxide and hydrogen recovery device in tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205313082U (en) |
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2015
- 2015-12-17 CN CN201521069904.6U patent/CN205313082U/en not_active Expired - Fee Related
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300308 Huaying Building, Dongli Airport Economic Zone, Tianjin - A Patentee after: Tianbao Zhongtian Science and Technology (Tianjin) Co., Ltd. Address before: 300308 Huaying Building, Dongli Airport Economic Zone, Tianjin - A Patentee before: Tianbao Zhongtian science and Technology (Tianjin) Co., Ltd. |
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| 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: 20160615 Termination date: 20181217 |