CN202921144U - Desorbed gas utilization device of methanol decomposition hydrogen production adsorbing tower - Google Patents
Desorbed gas utilization device of methanol decomposition hydrogen production adsorbing tower Download PDFInfo
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- CN202921144U CN202921144U CN 201220619201 CN201220619201U CN202921144U CN 202921144 U CN202921144 U CN 202921144U CN 201220619201 CN201220619201 CN 201220619201 CN 201220619201 U CN201220619201 U CN 201220619201U CN 202921144 U CN202921144 U CN 202921144U
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- stripping gas
- adsorption tower
- surge tank
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- pipeline
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Abstract
The utility model discloses a desorbed gas utilization device of a methanol decomposition hydrogen production adsorbing tower, and aims to solve the problems of low desorbed gas utilization rate and danger and environment pollution caused by desorbed gas discharge. The desorbed gas utilization device comprises an absorbing tower, a desorbed gas buffer tank and a heat conduction oil heating furnace, wherein the absorbing tower is communicated with a raw material air pipeline; a desorbed gas outlet is communicated with a desorbed gas buffer tank inlet; an outlet of the desorbed gas buffer tank is communicated with a gas inlet of the heat conduction oil heating furnace; and the gas inlet of the heat conduction oil heating furnace is further communicated with an external gas pipeline. The desorbed gas utilization device is simple to operate and stable in operation, and through the reasonable utilization of methanol decomposition hydrogen production desorbed gas, the purposes of energy saving and environment friendliness are achieved.
Description
Technical field
The utility model relates to a kind of waste gas utilization device, especially a kind of methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device, the production technical field of genus hydrogen or hydrogeneous gaseous mixture.
Background technology
Adopting the PSA(pressure-variable adsorption) principle of divided gas flow technology purifying hydrogen of hydrogen from the methanol decomposition reformed gas is: utilize adsorbent to the selective of different adsorbates and to the adsorption capacity of the adsorbate characteristic with change in pressure, make adsorbent adsorb impurity composition in raw material under condition of high voltage, these impurity compositions of desorption under the low pressure condition and obtain regeneration.The groundwork step of PSA system pressure-variable adsorption is divided into absorption and two links of regenerating, and the link of wherein regenerating is to utilize highly purified hydrogen under the low pressure condition, adsorption stuffing to be rinsed, and makes its desorb so that cycling and reutilization.But in existing methanol decomposition hydrogen generating system, the utilization rate of stripping gas is lower, owing to containing a large amount of hydrogen and carbon monoxide in stripping gas, it directly is discharged in atmosphere very dangerous, simultaneously also can pollutant atmosphere.
The utility model content
The purpose of this utility model is in order to solve stripping gas utilization rate in existing methanol decomposition hydrogen generating system is low and stripping gas emptying brings danger and to the pollution problem of environment, to provide a kind of methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device.
Problem described in the utility model realizes with following technical proposals:
A kind of methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device, it comprises adsorption tower, stripping gas surge tank and heat transfer oil heater, described adsorption tower and unstripped gas pipeline communication, its stripping gas outlet is communicated with stripping gas surge tank entrance, the outlet of described stripping gas surge tank is communicated with the heat transfer oil heater gas inlet, and described heat transfer oil heater gas inlet also is communicated with extraneous gas pipeline.
Above-mentioned methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device, on the outlet of adsorption tower stripping gas and stripping gas surge tank entrance connecting pipe, stripping gas the first control valve, stripping gas pressure-regulating valve and stripping gas the second control valve are set, described stripping gas the first control valve is connected between adsorption tower and stripping gas pressure-regulating valve, described stripping gas pressure-regulating valve is triple valve, two outlet is communicated with stripping gas the second control valve and heat transfer oil heater gas inlet respectively, and described the second control valve outlet is communicated with stripping gas surge tank entrance.
above-mentioned methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device, with stripping gas pipeline that the heat transfer oil heater gas inlet is connected in be provided for the pressure transmitter of adsorption tower stripping gas pressure test, with extraneous gas pipeline that the heat transfer oil heater gas inlet is connected in be provided for the pressure transmitter of extraneous gaseous-pressure test, be provided for the RTD of conduction oil temperature test in the conduction oil exit of heat transfer oil heater, stripping gas import department at adsorption tower also arranges the stripping gas pressure control valve, extraneous gas control valve is set on extraneous gas pipeline.
Above-mentioned methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device, it also comprises waste gas emptying mechanism, described waste gas emptying mechanism is comprised of diffusing tower, diffusing tower spark arrester, exhausting pipeline and one group of emptying by-pass valve control being arranged on different exhausting pipelines, the diffusing tower spark arrester is installed in described diffusing tower exit, and the diffusing tower entrance is communicated with from different exhausting pipelines respectively.
Above-mentioned methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device, described exhausting pipeline comprises adsorption tower exhausting pipeline, stripping gas surge tank exhausting pipeline and heat-conducting oil heating furnace exhaust exhausting pipeline, adsorption tower atmospheric valve, adsorption tower safety valve and adsorption tower safety valve service valve are set in described adsorption tower exhausting pipeline, in parallel with the adsorption tower atmospheric valve again after described adsorption tower safety valve service valve and the series connection of adsorption tower safety valve, the adsorption tower exhausting pipeline is communicated with stripping gas surge tank exhausting pipeline.
Above-mentioned methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device, described stripping gas surge tank exhausting pipeline comprises stripping gas surge tank master's exhausting pipeline and stripping gas surge tank safety vent pipeline, be provided with stripping gas surge tank master emptying control valve in described stripping gas surge tank master exhausting pipeline, stripping gas surge tank master exhausting pipeline is communicated with the adsorption tower exhausting pipeline.
Above-mentioned methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device, be provided with stripping gas surge tank safety vent valve, stripping gas surge tank safety valve and stripping gas surge tank safety valve service valve in described stripping gas surge tank safety vent pipeline, in parallel with stripping gas surge tank safety vent valve again after described stripping gas surge tank safety valve service valve and the series connection of stripping gas surge tank safety valve, stripping gas surge tank safety vent pipeline is in parallel with stripping gas surge tank master exhausting pipeline.
Above-mentioned methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device arranges heat-conducting oil heating furnace exhaust emptying control valve in heat-conducting oil heating furnace exhaust blowdown piping.
The utility model is introduced the stripping gas that produces in the methanol decomposition hydrogen production process in heat transfer oil heater, satisfy the heat demand of methanol decomposition by the energy of stripping gas and extraneous combustion gas mixing burning generation, getting rid of simultaneously gas is steam and carbon dioxide, not only reduce the energy consumption in the production process, and reduced the pollution to environment.The utility model is by waste gas emptying mechanism, utilizes the waste gas safety dumping that will produce in production process that coordinates of spark arrester and diffusing tower, guaranteed the safe operation of production equipment.In a word, the utility model is simple to operate, and is stable, by the reasonable utilization to schizonychia hydrogen manufacturing stripping gas, realized the purpose of energy-conserving and environment-protective.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is rough package drawing of the present utility model.
in figure, each list of reference numerals is: F201, adsorption tower, F202, the stripping gas surge tank, B301, heat transfer oil heater, B302, diffusing tower, B303, the diffusing tower spark arrester, V103, stripping gas the first control valve, V104, stripping gas the second control valve, V201, the stripping gas pressure-regulating valve, TE101, the RTD that is used for the conduction oil temperature test, PT102, the pressure transmitter that is used for the pressure test of adsorption tower stripping gas, PT103, the pressure transmitter that is used for extraneous gaseous-pressure test, HIC101, the stripping gas pressure control valve, HIC102, extraneous gas control valve, V202, the adsorption tower atmospheric valve, V204, the adsorption tower safety valve, V203, adsorption tower safety valve service valve, V107, stripping gas surge tank atmospheric valve, V205, stripping gas surge tank safety valve, V106, stripping gas surge tank safety valve service valve, V105, stripping gas surge tank master emptying control valve, S301, heat-conducting oil heating furnace exhaust emptying control valve.
The specific embodiment
Referring to Fig. 1, the utility model comprises adsorption tower F201, stripping gas surge tank F202 and heat transfer oil heater B301, described adsorption tower F201 and unstripped gas pipeline communication, its stripping gas outlet is communicated with stripping gas surge tank F202 entrance, the outlet of described stripping gas surge tank F202 is communicated with the gas inlet of heat transfer oil heater B301, and described heat transfer oil heater gas inlet also is communicated with extraneous gas pipeline.In the methanol decomposition hydrogen production process, be provided with adsorption stuffing in adsorption tower F201, the regenerative process of adsorption stuffing is to utilize highly purified hydrogen under the low pressure condition, it to be rinsed, and makes its desorb so that cycling and reutilization.The utility model makes stripping gas be entered in stripping gas surge tank F202 by stripping gas the first control valve V103 and stripping gas the second control valve V104 and stripping gas control valve V201 by adsorption tower outlet, and controls by stripping gas control valve V201 the pressure that enters heat transfer oil heater B301 stripping gas.In stripping gas, hydrogen and carbon monoxide provide methanol decomposition required heat in heat transfer oil heater B301 internal combustion, have reduced the pollution of environment and the waste of resource.
referring to Fig. 1, the utility model with stripping gas pipeline that the heat transfer oil heater gas inlet is connected in be provided for the pressure transmitter PT102 of adsorption tower stripping gas pressure test, with extraneous gas pipeline that the heat transfer oil heater gas inlet is connected in be provided for the pressure transmitter PT103 of extraneous gaseous-pressure test, be provided for the RTD TE101 of conduction oil temperature test in the conduction oil outlet conduit of heat transfer oil heater, stripping gas import department at adsorption tower F201 also arranges stripping gas pressure control valve HIC101, extraneous gas control valve HIC102 is set in extraneous gas pipeline.The utility model passes through to be used for the RTD TE101 of conduction oil temperature test to the test data of conduction oil variations in temperature, regulate stripping gas by-pass valve control V201 and extraneous supply gas control valve HIC102, make the conduction oil temperature stabilization in the required temperature range of schizonychia hydrogen manufacturing.
Referring to Fig. 1, the utility model also comprises waste gas emptying mechanism, described waste gas emptying mechanism is comprised of diffusing tower B302, diffusing tower spark arrester B303, exhausting pipeline and one group of emptying by-pass valve control being arranged in different exhausting pipelines, diffusing tower spark arrester B303 is installed in described diffusing tower B302 exit, and diffusing tower B302 entrance is communicated with from different exhausting pipelines respectively.When the utility model is not used at methanol decomposition hydrogen manufacturing adsorption tower stripping gas, it can be carried out emptying by adsorption tower atmospheric valve V202 and stripping gas surge tank atmospheric valve V203 and diffusing tower B302, in the diffusing tower exit, diffusing tower spark arrester B303 has been installed, can have prevented unexpected the generation.When adsorption tower F201 and stripping gas surge tank F202 internal pressure exceed when pressure or safe pressure are set, adsorption tower safety valve V204 and stripping gas surge tank safety valve V205 start working and carry out emptying, and this moment, emptying gas passed through diffusing tower B302 and diffusing tower spark arrester B303 emptying equally.
The utility model is in the pressure-swing absorber course of normal operation of methanol decomposition hydrogen manufacturing, stripping gas enters stripping gas surge tank F202 by stripping gas pressure-regulating valve V201, after stripping gas accumulated in stripping gas surge tank F202 and reaches certain pressure, being transported to burns in heat transfer oil heater B301 provided heat.According to the temperature value of the measured conduction oil of RTD TE101 that is used for the conduction oil temperature test, regulate extraneous gas control valve HIC102 by the DCS control system, make the conduction oil temperature stabilization at the needed temperature value of schizonychia hydrogen manufacturing.Close fully and conduction oil temperature during in needed temperature in extraneous combustion gas, stripping gas accumulates in stripping gas surge tank F202, when surpassing setup pressure value, be discharged in exhausting pipeline by stripping gas surge tank master emptying control valve V105 or stripping gas surge tank safety valve V205, then pass through safety dumping after diffusing tower B302 and diffusing tower spark arrester B303.Operation of the present utility model has realized the recycling of schizonychia hydrogen manufacturing blowback stripping gas.
Claims (8)
1. methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device, it is characterized in that, it comprises adsorption tower (F201), stripping gas surge tank (F202) and heat transfer oil heater (B301), described adsorption tower (F201) and unstripped gas pipeline communication, its stripping gas outlet is communicated with stripping gas surge tank (F202) entrance, the outlet of described stripping gas surge tank (F202) is communicated with the gas inlet of heat transfer oil heater (B301), and described heat transfer oil heater gas inlet also is communicated with extraneous gas pipeline.
2. a kind of methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device according to claim 1, it is characterized in that, in the outlet of adsorption tower (F201) stripping gas and stripping gas surge tank (F202) entrance connecting pipe, stripping gas the first control valve (V103) is set, stripping gas pressure-regulating valve (V201) and stripping gas the second control valve (V104), described stripping gas the first control valve (V103) is connected between adsorption tower (F201) and stripping gas pressure-regulating valve (V201), described stripping gas pressure-regulating valve (V201) is triple valve, two outlet is communicated with stripping gas the second control valve (V104) and heat transfer oil heater gas inlet respectively, described the second control valve (V104) outlet is communicated with stripping gas surge tank (F202) entrance.
3. a kind of methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device according to claim 1 and 2, it is characterized in that, with stripping gas pipeline that the heat transfer oil heater gas inlet is connected in be provided for the pressure transmitter (PT102) of adsorption tower stripping gas pressure test, with extraneous gas pipeline that the heat transfer oil heater gas inlet is connected in be provided for the pressure transmitter (PT103) of extraneous gaseous-pressure test, be provided for the RTD (TE101) of conduction oil temperature test in the conduction oil outlet conduit of heat transfer oil heater, stripping gas import department at adsorption tower (F201) also arranges stripping gas pressure control valve (HIC101), extraneous gas control valve (HIC102) is set in extraneous gas pipeline.
4. a kind of methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device according to claim 3, it is characterized in that, it also comprises waste gas emptying mechanism, described waste gas emptying mechanism is comprised of diffusing tower (B302), diffusing tower spark arrester (B303), exhausting pipeline and one group of emptying by-pass valve control being arranged in different exhausting pipelines, diffusing tower spark arrester (B303) is installed in described diffusing tower (B302) exit, and diffusing tower (B302) entrance is communicated with from different exhausting pipelines respectively.
5. a kind of methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device according to claim 4, it is characterized in that, described exhausting pipeline comprises the adsorption tower exhausting pipeline, stripping gas surge tank exhausting pipeline and heat-conducting oil heating furnace exhaust exhausting pipeline, adsorption tower atmospheric valve (V202) is set in described adsorption tower exhausting pipeline, adsorption tower safety valve (V204) and adsorption tower safety valve service valve (V203), in parallel with adsorption tower atmospheric valve (V202) again after described adsorption tower safety valve service valve (V203) and adsorption tower safety valve (V204) series connection, the adsorption tower exhausting pipeline is communicated with stripping gas surge tank exhausting pipeline.
6. a kind of methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device according to claim 5, it is characterized in that, described stripping gas surge tank exhausting pipeline comprises stripping gas surge tank master's exhausting pipeline and stripping gas surge tank safety vent pipeline, be provided with stripping gas surge tank master emptying control valve (V105) in described stripping gas surge tank master exhausting pipeline, stripping gas surge tank master exhausting pipeline is communicated with the adsorption tower exhausting pipeline.
7. a kind of methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device according to claim 6, it is characterized in that, be provided with stripping gas surge tank safety vent valve (V107) in described stripping gas surge tank safety vent pipeline, stripping gas surge tank safety valve (V205) and stripping gas surge tank safety valve service valve (V106), in parallel with stripping gas surge tank safety vent valve (V107) again after described stripping gas surge tank safety valve service valve (V106) and stripping gas surge tank safety valve (V205) series connection, stripping gas surge tank safety vent pipeline is in parallel with stripping gas surge tank master exhausting pipeline.
8. a kind of methanol decomposition hydrogen manufacturing adsorption tower stripping gas use device according to claim 7, is characterized in that, heat-conducting oil heating furnace exhaust emptying control valve (S301) is set in heat-conducting oil heating furnace exhaust blowdown piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220619201 CN202921144U (en) | 2012-11-21 | 2012-11-21 | Desorbed gas utilization device of methanol decomposition hydrogen production adsorbing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220619201 CN202921144U (en) | 2012-11-21 | 2012-11-21 | Desorbed gas utilization device of methanol decomposition hydrogen production adsorbing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202921144U true CN202921144U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220619201 Expired - Fee Related CN202921144U (en) | 2012-11-21 | 2012-11-21 | Desorbed gas utilization device of methanol decomposition hydrogen production adsorbing tower |
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| Country | Link |
|---|---|
| CN (1) | CN202921144U (en) |
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2012
- 2012-11-21 CN CN 201220619201 patent/CN202921144U/en not_active Expired - Fee Related
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|---|---|---|---|
| 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: 20130508 Termination date: 20161121 |