CN209872367U - Gaseous carbon carries purification equipment - Google Patents
Gaseous carbon carries purification equipment Download PDFInfo
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- CN209872367U CN209872367U CN201920285620.2U CN201920285620U CN209872367U CN 209872367 U CN209872367 U CN 209872367U CN 201920285620 U CN201920285620 U CN 201920285620U CN 209872367 U CN209872367 U CN 209872367U
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Abstract
The utility model provides a gaseous carbon carries purification equipment, including heat exchanger, combustion tower, drying tower and cooler. The mixed gas containing a predetermined amount of oxygen enters the heat exchanger from the first inlet of the heat exchanger for preheating. The combustion tower is communicated with a first outlet of the heat exchanger, and the mixed gas enters the combustion tower from the heat exchanger to react to generate carbon dioxide. And returning a part of the reacted mixed gas from the second inlet of the heat exchanger to the heat exchanger again to preheat the introduced mixed gas. The other part of the reacted mixed gas enters the drying tower to regenerate and purify the drying agent in the drying tower and then is discharged, so that a heater in the drying tower can be omitted, the waste of heat energy is avoided, the energy consumption is saved, and the production cost is reduced. The cooler is communicated with a second outlet of the heat exchanger and the drying tower, and the mixed gas used for preheating in the heat exchanger is cooled and then enters the cooler to be cooled, and then enters the drying tower to be dried and purified and then is discharged.
Description
Technical Field
The utility model relates to a gaseous carbon carries purification equipment, especially relates to a nitrogen gas carbon that can energy saving and gas consumption carries purification equipment.
Background
The combustion tower of the gas carbon-carried purification equipment is internally provided with a carbon-carried catalyst and a heater. When the device works, mixed gas containing a predetermined amount of oxygen (the purity of the oxygen is generally less than 3%) is firstly introduced into a plate heat exchanger of carbon-supported purification equipment through an inlet to be preheated, the preheated mixed gas enters a combustion tower and is heated by a built-in heater, the temperature in the combustion tower is raised to 350 ℃, oxygen in the mixed gas reacts with carbon in a carbon-supported catalyst to generate carbon dioxide, and therefore the oxygen in the mixed gas is removed. After the reaction, the mixed gas discharged from the combustion tower enters a plate heat exchanger, and the mixed gas exchanges heat with the air at the inlet in the plate heat exchanger, so that the temperature of the mixed gas at the outlet is reduced; and the mixed gas after temperature reduction enters a water cooler and is cooled to normal temperature. The mixed gas after exiting from the water cooler is finally introduced into a purification and drying tower and carbon dioxide and water are removed, thereby obtaining a high purity gas.
However, the above process has the following disadvantages: firstly, after the carbon-supported catalyst in the combustion tower is consumed, hot air in the combustion tower is directly released to cause waste of gas and heat. Secondly, the temperature of the mixed gas after reaction coming out of the combustion tower is reduced by the plate heat exchanger and the water cooler, which is equivalent to the waste of the heat of the mixed gas after reaction. Therefore, the existing carbon-supported purification equipment generally has high energy consumption and large gas consumption.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a purification equipment is carried to gaseous carbon solves the current problem that purification equipment is carried to gaseous carbon energy consumption is high, the gas consumption is big.
In order to solve the problem, the utility model provides a purification equipment is carried to gaseous carbon, purification equipment is carried to gaseous carbon includes heat exchanger, combustion tower, drying tower and cooler. The heat exchanger is provided with a first inlet, a first outlet, a second inlet and a second outlet, and mixed gas containing a preset amount of oxygen enters the heat exchanger from the first inlet of the heat exchanger for preheating. The combustion tower is communicated with a first outlet of the heat exchanger, and the preheated mixed gas enters the combustion tower from the first outlet of the heat exchanger. The oxygen in the mixed gas reacts with the carbon-supported catalyst in the combustion tower to produce carbon dioxide. And the combustion tower is communicated with the second inlet of the heat exchanger, and one part of the reacted mixed gas returns to the heat exchanger from the second inlet of the heat exchanger to preheat the introduced mixed gas. The drying tower is communicated with the combustion tower, and the other part of the reacted mixed gas enters the drying tower to regenerate and purify the drying agent in the drying tower and then is discharged. The cooler is communicated with a second outlet of the heat exchanger and the drying tower, the mixed gas flowing into the heat exchanger from the second inlet and used for preheating enters the cooler for cooling after being cooled, and the mixed gas cooled by the cooler enters the drying tower and is discharged after being dried and purified.
According to the utility model discloses an embodiment, the quantity of burning tower is more than or equal to two, all burning tower wheel flow switching work, the mist after preheating gets into in the burning tower in proper order in turn.
According to the utility model discloses an embodiment, wherein the export of arbitrary one burning tower and the entry intercommunication of another burning tower, when two burning towers switch over the work, the inside high temperature gas mixture of burning tower that one of them reaction was ended releases inside another burning tower of treating reaction work.
According to the utility model discloses an embodiment, the quantity of drying tower is more than or equal to two, and the mist after the reaction is accomplished in the combustion tower gets into in the drying tower in proper order with regeneration purification drier.
According to the utility model discloses an embodiment, gaseous carbon carries purification equipment includes dust filter, dust filter and drying tower intercommunication, and mist gets into dust filter in order to get rid of the dust after dry purification in the drying tower.
According to the utility model relates to an embodiment, gaseous carbon carries purification equipment includes gaseous purity analysis appearance and two discharge lines, and two discharge lines all communicate with dust filter, and the part gas after dust filter filters gets into gaseous purity analysis appearance and carries out the purity analysis, and the gas qualified through the purity analysis is discharged through one of them discharge line, and the gas unqualified through the purity analysis is discharged through another discharge line.
According to the utility model relates to an embodiment, gaseous carbon carries purification equipment includes the decompression filter, and the decompression filter sets up between dust filter and gas purity analysis appearance, and the part gas after dust filter filters passes through the decompression filter earlier and then gets into gas purity analysis appearance.
According to the utility model discloses an embodiment, gaseous carbon carries purification equipment includes the export air-vent valve, and the export air-vent valve sets up on the discharge pipeline, carries out the pressure regulating through the export air-vent valve earlier before the gas outgoing.
Compared with the prior art, the technical scheme has the following advantages:
the utility model discloses a second entry and the drying tower intercommunication with combustion tower and heat exchanger for the mist that comes out in the combustion tower falls into two tunnel: one part of the gas is returned to the heat exchanger again to preheat the gas introduced into the heat exchanger, so that the circulation of the gas and heat is realized, the temperature of the mixed gas at the inlet of the combustion tower can be increased, and the heating power in the combustion tower is reduced; and the other part of the mixed gas is introduced into the drying tower to be used for regenerating and purifying the drying agent, and the drying agent in the drying tower is regenerated and purified by utilizing the heat energy of the mixed gas, so that a heater in the drying tower can be omitted, the waste of heat energy is avoided, the energy consumption is saved, and the production cost is reduced.
The utility model discloses an export of wherein arbitrary one burning tower in two and the entry intercommunication of another burning tower, make and switch during operation at two burning towers, can release the inside high-temperature gas mixture of burning tower that one of them reaction ended inside another burning tower of treating reaction work, avoid carrying the direct release of high-temperature gas in the burning tower that the catalyst reaction consumed up and cause gaseous and thermal waste with carbon, thereby reduce the air consumption and the energy consumption of carbon-borne purification equipment, practice thrift manufacturing cost, and also can promote the temperature in the burning tower of treating reaction work in the twinkling of an eye like this, make the time of reacing reaction temperature shorten greatly in the burning tower, the time of the qualified gaseous time of output has been accelerated.
Drawings
Fig. 1 is a schematic structural diagram of a gas carbon-supported purification apparatus provided by the present invention.
Detailed Description
The following description is only intended to disclose the invention so as to enable any person skilled in the art to practice the invention. The embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other arrangements without departing from the spirit and scope of the invention.
As shown in figure 1, the utility model provides a purification equipment is carried to gaseous carbon for carry out the purification on the carbon to the nitrogen gas that contains the predetermined amount oxygen, can practice thrift energy consumption and gas consumption. Specifically, the gaseous carbon-supported purification apparatus includes a heat exchanger 10, a combustion tower 20, a drying tower 30, and a cooler 40.
The heat exchanger 10 is used to preheat the gas before it enters the combustion tower 20 for reaction. The heat exchanger 10 is a plate heat exchanger, and the heat exchanger 10 has a first inlet, a first outlet, a second inlet, and a second outlet. In operation, a mixed gas containing a predetermined amount of oxygen, such as dinitrogen gas, enters the heat exchanger 10 from the first inlet of the heat exchanger 10 for preheating, and the temperature of the mixed gas is increased after preheating. A pressure sensor 11 is arranged on a pipeline for introducing the mixed gas into the heat exchanger 10, and the pressure sensor 11 is connected with a pressure gauge 12 so as to detect the pressure of the mixed gas at the inlet and display pressure reading through the pressure gauge 12.
The combustion tower 20 is communicated with the first outlet of the heat exchanger 10, and the preheated mixed gas enters the combustion tower 20 from the first outlet of the heat exchanger 10. The combustion tower 20 has a carbon-supported catalyst (for example, a type 3093 carbon deoxidizer) and a heater therein, and the temperature in the combustion tower 20 is brought to a reaction temperature of 350 ℃ by heating with the heater. The oxygen in the mixed gas reacts with the carbon-supported catalyst in the combustion tower 20 at a high temperature to produce carbon dioxide. The combustion tower 20 is communicated with the second inlet of the heat exchanger 10, and a part of the reacted mixed gas returns to the heat exchanger 10 from the second inlet of the heat exchanger 10 to preheat the introduced mixed gas. That is, two paths of gas are used for heat exchange in the heat exchanger 10, wherein one path of gas is mixed gas introduced from the first inlet of the heat exchanger 10, is preheated after heat exchange to increase the temperature, and then enters the combustion tower 20 for reaction; the other path is the mixed gas which is discharged from the combustion tower 20 and is subjected to heat exchange and then is cooled.
Further, in the present embodiment, the number of the combustion towers 20 is two, and the outlet at the bottom of any one of the combustion towers 20 is communicated with the inlet at the top of the other combustion tower 20 through a pipeline, so that the gases in the two combustion towers 20 can flow through each other, that is, the high-temperature gas in any one of the combustion towers 20 can flow out from the bottom and enter the inside of the other combustion tower 20 from the top.
The two combustion towers 20 are switched to work in turn, and the mixed gas preheated by the heat exchanger 10 sequentially enters the two combustion towers 20 in turn to react. When the carbon-supported catalyst in one of the combustion towers 20 is consumed, the operation is switched to the other combustion tower 20, and the mixed gas is also introduced into the other combustion tower 20 to react.
It will be appreciated by those skilled in the art that the number of flaring stacks 20 can also be greater than two. In summary, the number of the combustion towers 20 is greater than or equal to two, all the combustion towers 20 are switched to work in turn, and the mixed gas enters the combustion towers 20 in turn to react, that is, after one of the combustion towers 20 finishes working, the mixed gas enters the other combustion tower 20, so that the carbon-supported catalyst in the reacted combustion tower 20 can be replaced again without stopping.
When the two combustion towers 20 are switched to operate, the high-temperature mixed gas in one of the combustion towers 20 with the reaction completed is released to the other combustion tower 20 to be operated by the reaction. For convenience of description, the two combustion towers 20 are respectively referred to as a first combustion tower and a second combustion tower, and a communication pipeline from the bottom of the first combustion tower to the top of the second combustion tower is sequentially provided with a manual valve 21, a manual valve 22 and a manual valve 23; correspondingly, a manual valve 24, a manual valve 22 and a manual valve 25 are arranged on a communication pipeline from the bottom of the second combustion tower to the top of the first combustion tower in sequence; wherein the manual valve 22 is a valve shared by two pipelines in a cross way. When the carbon-supported catalyst in the first combustion tower is consumed, the operation is switched from the first combustion tower to the second combustion tower, and the manual valve 21, the manual valve 22 and the manual valve 23 are manually opened to release the high-temperature mixed gas in the first combustion tower to the second combustion tower. On the other hand, when the carbon-supported catalyst in the second combustion tower is consumed, the operation is switched from the second combustion tower to the first combustion tower, and the manual valve 24, the manual valve 22 and the manual valve 25 are manually opened to release the temperature-sensitive gas mixture in the second combustion tower to the first combustion tower. The effect of the design is as follows: when two burning towers 20 switch the during operation, avoid the high temperature mist support emission in the burning tower 20 to fall and cause the waste of gas and heat energy, reduce energy consumption and air consumption, can promote the temperature in the burning tower 20 of treating reaction work in the twinkling of an eye, make the time that reaches reaction temperature in the burning tower 20 shorten greatly to the time of the qualified gas of output has been accelerated, saving manufacturing cost.
In this embodiment, the bottoms of the two combustion towers 20 are communicated with the second inlet of the heat exchanger 10 through a pipeline, and a manual valve 26 and a manual valve 27 are respectively arranged on the communicated pipeline. After the reaction is completed, the manual valve 26 or 27 is manually opened, and the high-temperature mixed gas after the reaction in the combustor 20 flows out from the bottom of the combustor 20. A part of the mixed gas flows back into the heat exchanger 10, and the introduced mixed gas is preheated. Namely, the mixed gas just introduced into the heat exchanger 10 and the mixed gas after the reaction are subjected to heat exchange; the mixed gas just introduced into the heat exchanger 10 is heated and then enters the combustion tower 20, so that the temperature of the mixed gas at the inlet of the combustion tower 20 can be increased, and the heating power in the combustion tower 20 is reduced.
The drying tower 30 communicates with the burning tower 20. After the high-temperature mixed gas exits from the combustion tower 20, in addition to the aforementioned part of the high-temperature mixed gas flowing back to the heat exchanger 10, another part of the reacted mixed gas enters the drying tower 30 to regenerate and purify the drying agent in the drying tower 30, and then is discharged.
In the present embodiment, the number of the drying towers 30 is two, and as shown in fig. 1, the bottoms of the two burning towers 20 are communicated with the two drying towers 30 through pipelines, and a manual valve 31 and a manual valve 32 are respectively arranged on the communicated pipelines. In operation, one of the two drying towers 30 performs drying and purification on the gas, while the other drying tower 30 performs regeneration and purification on the drying agent, and the two drying towers 30 alternately operate in this way. The reacted mixed gas from the combustion tower 20 sequentially enters the two drying towers 30 in turn. Specifically, after the manual valve 31 or the manual valve 32 is opened, the high-temperature mixed gas after the reaction is discharged from the bottom of the combustion tower 20, except for the aforementioned part of the high-temperature mixed gas which flows back to the heat exchanger 10, the other part of the high-temperature mixed gas sequentially and alternately enters the two drying towers 30, so as to sequentially and alternately regenerate the drying agents inside the purifying drying towers 30, and thus, the moisture and the carbon dioxide adsorbed by the drying agents are taken away. The mixed gas obtained by regenerating and purifying the drying agent in the drying tower 30 is finally discharged from the drying tower 30.
It will be appreciated by those skilled in the art that the number of drying towers 30 may also be greater than two. In summary, the number of the drying towers 30 is greater than or equal to two, and the reacted mixed gas enters the drying towers 30 in turn.
The cooler 40 is in communication with both the second outlet of the heat exchanger 10 and the drying tower 30. The mixed gas flowing into the heat exchanger 10 from the second inlet for preheating is cooled and then enters the cooler 40 for cooling, the mixed gas cooled by the cooler 40 enters the drying tower 30, and the mixed gas is dried and purified in the drying tower 30, so that carbon dioxide and water in the mixed gas can be removed, and thus high-purity gas, such as nitrogen, can be obtained. The mixed gas is dried and purified and then discharged from the drying tower 30.
The carbon-carried gas purification equipment comprises a dust filter 50, wherein the dust filter 50 is communicated with a drying tower 30, and mixed gas is dried and purified in the drying tower 30 and then enters the dust filter 50 to remove dust.
The gas carbon-supported purification device comprises a gas purity analyzer 60 and two discharge pipelines 71 and 72, wherein the two discharge pipelines 71 and 72 are both communicated with the dust filter 50. Part of the gas filtered by the dust filter 50 enters the gas purity analyzer 60 for purity analysis, the gas qualified in purity analysis is discharged through one of the discharge pipes 71, and the gas unqualified in purity analysis is discharged through the other discharge pipe 72. The discharge lines 71, 72 are provided with flow meters 73, and the flow meters 73 detect the flow rate of the discharge gas.
The gas carbon-supported purification apparatus includes a pressure-reducing filter 80, and the pressure-reducing filter 80 is disposed between the dust filter 50 and the gas purity analyzer 60. The manual valve 81 is opened, and a part of the gas filtered by the dust filter 50 passes through the pressure reducing filter 80 and then enters the gas purity analyzer 60.
The gas carbon-supported purification apparatus includes an outlet pressure regulating valve 90, the outlet pressure regulating valve 90 being disposed on the discharge lines 71, 72, and the pressure of the gas being regulated by the outlet pressure regulating valve 90 before the gas is discharged.
The utility model provides a gaseous carbon carries purification equipment simple structure, on the one hand, when two burning towers 20 switch work, because do not directly release the high temperature gas mixture in the burning tower 20 after the reaction is accomplished, but transfer the high temperature gas to another burning tower 20 of treating the reaction, realize the recycle of gas and heat energy, avoid directly discharging and cause the waste of gas and energy, reduce the gas consumption and the energy consumption of carbon carries purification equipment; on the other hand, the heat of the high-temperature gas after the reaction in the combustion tower 20 is utilized to regenerate and purify the drying tower 30, so that a heater in the drying tower 30 can be omitted, or at least the energy consumption in the regeneration and purification process of the drying tower 30 can be saved, and in this way, the equipment failure point can be reduced, the production cost can be saved, and the energy consumption can be reduced.
It is to be understood by persons skilled in the art that the embodiments of the present invention described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the invention have been shown and described in the embodiments without departing from the principles of the invention, embodiments of the invention may be subject to any deformation and modification.
Claims (8)
1. A gaseous carbon-supported purification apparatus, comprising:
the heat exchanger is provided with a first inlet, a first outlet, a second inlet and a second outlet, and mixed gas containing a preset amount of oxygen enters the heat exchanger from the first inlet of the heat exchanger for preheating;
the combustion tower is communicated with the first outlet of the heat exchanger, the preheated mixed gas enters the combustion tower from the first outlet of the heat exchanger, oxygen in the mixed gas reacts with the carbon-supported catalyst in the combustion tower to generate carbon dioxide, the combustion tower is communicated with the second inlet of the heat exchanger, and part of the reacted mixed gas returns to the heat exchanger from the second inlet of the heat exchanger again to preheat the introduced mixed gas;
the drying tower is communicated with the combustion tower, and the other part of the reacted mixed gas enters the drying tower to regenerate and purify the drying agent in the drying tower and then is discharged;
and the cooler is communicated with the second outlet of the heat exchanger and the drying tower, the mixed gas flowing into the heat exchanger from the second inlet and used for preheating enters the cooler for cooling after being cooled, and the mixed gas cooled by the cooler enters the drying tower and is dried and purified and then discharged.
2. The apparatus for purifying a gaseous carbon carrier according to claim 1, wherein the number of the combustion towers is two or more, all the combustion towers operate alternately, and the preheated mixed gas sequentially enters the combustion towers alternately.
3. The apparatus for purifying a gaseous carbon-bearing material according to claim 2, wherein an outlet of any one of the combustion towers communicates with an inlet of the other combustion tower, and when the two combustion towers are switched to operate, a high-temperature mixed gas in the combustion tower in which one reaction is completed is discharged to the inside of the other combustion tower to be operated.
4. The apparatus for purifying a gaseous carbon carrier according to claim 1, wherein the number of the drying towers is greater than or equal to two, and the mixed gas after the reaction in the combustion tower is completed sequentially enters the drying towers in turn to regenerate the purifying desiccant.
5. The apparatus for purifying a gaseous carbon carrier according to any one of claims 1 to 4, wherein the apparatus for purifying a gaseous carbon carrier comprises a dust filter, the dust filter is in communication with the drying tower, and the mixed gas is dried and purified in the drying tower and then enters the dust filter to remove dust.
6. The gaseous carbon-supported purification apparatus according to claim 5, wherein the gaseous carbon-supported purification apparatus comprises a gas purity analyzer and two discharge pipes, wherein both of the discharge pipes are communicated with the dust filter, a part of the gas filtered by the dust filter enters the gas purity analyzer for purity analysis, the gas passing through the purity analysis is discharged through one of the discharge pipes, and the gas failing to pass through the purity analysis is discharged through the other discharge pipe.
7. The gaseous carbon-supported purification apparatus of claim 6, wherein the gaseous carbon-supported purification apparatus comprises a pressure reduction filter, the pressure reduction filter is disposed between the dust filter and the gas purity analyzer, and a portion of the gas filtered by the dust filter passes through the pressure reduction filter before entering the gas purity analyzer.
8. The gaseous carbon-supported purification apparatus of claim 6, comprising an outlet pressure regulating valve disposed on the discharge line through which the pressure is regulated prior to discharge of the gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920285620.2U CN209872367U (en) | 2019-03-05 | 2019-03-05 | Gaseous carbon carries purification equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920285620.2U CN209872367U (en) | 2019-03-05 | 2019-03-05 | Gaseous carbon carries purification equipment |
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| Publication Number | Publication Date |
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| CN209872367U true CN209872367U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920285620.2U Active CN209872367U (en) | 2019-03-05 | 2019-03-05 | Gaseous carbon carries purification equipment |
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| CN (1) | CN209872367U (en) |
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- 2019-03-05 CN CN201920285620.2U patent/CN209872367U/en active Active
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