CN210855262U - Methanol reforming hydrogen production system - Google Patents
Methanol reforming hydrogen production system Download PDFInfo
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- CN210855262U CN210855262U CN201921397174.0U CN201921397174U CN210855262U CN 210855262 U CN210855262 U CN 210855262U CN 201921397174 U CN201921397174 U CN 201921397174U CN 210855262 U CN210855262 U CN 210855262U
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Abstract
The utility model relates to the technical field of hydrogen preparation, and discloses a methanol reforming hydrogen production system, which comprises a raw material box, an infusion pump, a first heat exchanger, a second heat exchanger, a reactor, a purifier and a heating device for heating the reactor, the raw material tank is connected with the liquid inlet of the second heat exchanger, the first heat exchanger is arranged between the raw material tank and the second heat exchanger, the infusion pump is arranged between the first heat exchanger and the raw material tank, the liquid outlet of the second heat exchanger is connected with the feed inlet of the purifier, the reactor is arranged between the second heat exchanger and the purifier, the gas outlet of the purifier is connected with the gas inlet of the first heat exchanger, the discharge hole of the purifier is connected with the heating device, and the gas outlet of the heating device is connected with the gas inlet of the second heat exchanger. The utility model discloses make full use of reforming system self energy provides the energy for reforming hydrogen manufacturing, has improved gas production efficiency, has reduced the energy consumption.
Description
Technical Field
The utility model relates to a hydrogen preparation technical field especially relates to a methyl alcohol reforming hydrogen manufacturing system.
Background
Hydrogen has been paid more and more attention as an ideal energy source, and hydrogen production by reforming has been more and more widely applied as a better hydrogen production method. Among a plurality of raw materials suitable for hydrogen production by reforming, methanol can be prepared from organisms, has the advantages of low price, mild reaction conditions, less reforming byproducts and the like, and is an ideal raw material selection for a mobile hydrogen source. However, since the hydrogen production by methanol reforming is an endothermic reaction, a stable energy supply is required to ensure the hydrogen production efficiency. The existing reforming hydrogen production is that other energy is provided to heat a reactor, so that a large amount of energy is consumed, stable supply is difficult to guarantee all the time due to manual control addition, the hydrogen production efficiency is low, and meanwhile, certain potential safety hazards exist. On the other hand, the hydrogen produced in the reactor contains a relatively high temperature and also produces energetic exhaust gases and by-products, which are directly wasted.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a methanol reforming hydrogen production system, the energy of make full use of reforming system self provides the energy for reforming hydrogen production, improves and produces gas efficiency, reduces the energy consumption, improves factor of safety.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a methyl alcohol reforming hydrogen manufacturing system, includes raw material tank, transfer pump, first heat exchanger, second heat exchanger, reactor, purification ware and is used for heating the heating device of reactor, raw material tank connects the inlet of second heat exchanger, first heat exchanger sets up raw material tank reaches between the second heat exchanger, the transfer pump sets up first heat exchanger reaches between the raw material tank, the liquid outlet of second heat exchanger is connected the feed inlet of purification ware, the reactor sets up the second heat exchanger reaches between the purification ware, the gas outlet of purification ware is connected the air inlet of first heat exchanger, the discharge gate of purification ware is connected heating device, heating device's gas outlet is connected the air inlet of second heat exchanger.
Preferably, the heating device comprises a burner and an ignition device for igniting the burner, and a first temperature sensor and a second temperature sensor are respectively arranged on the burner and the ignition device.
Preferably, a first flow sensor, a booster pump, a first pressure sensor, a third temperature sensor and a second pressure sensor are sequentially arranged between the infusion pump and the first heat exchanger.
Preferably, the number of the booster pumps is two, and the two booster pumps are connected in series.
Preferably, a fan is arranged on the heating device, and a fourth temperature sensor and a second flow sensor are arranged on the fan.
Preferably, the outlet pipeline of the first heat exchanger is connected with an electromagnetic three-way valve, and a valve port of the electromagnetic three-way valve is connected with the heating device.
Preferably, a fifth temperature sensor and a third pressure sensor are arranged between the first heat exchanger and the second heat exchanger, and a sixth temperature sensor and a fourth pressure sensor are arranged between the second heat exchanger and the reactor.
Preferably, a seventh temperature sensor is arranged on the reactor, an eighth temperature sensor is arranged on the purifier, and a ninth temperature sensor and a fifth pressure sensor are arranged between the reactor and the purifier.
Preferably, a tenth temperature sensor and a sixth pressure sensor are arranged between the first heat exchanger and the electromagnetic three-way valve.
Preferably, the device comprises a numerical control program circuit and a control panel, wherein the control panel, the infusion pump, the first heat exchanger, the second heat exchanger, the reactor, the purifier and the heating device are electrically connected through the numerical control program circuit.
Compared with the prior art, the embodiment of the utility model provides a methanol reforming hydrogen production system, its beneficial effect lies in: the gas outlet of the purifier is connected with the gas inlet of the first heat exchanger, and the gas outlet of the heating device is connected with the gas inlet of the second heat exchanger, so that the raw materials entering the reactor are subjected to heat exchange heating by high-temperature hydrogen discharged from the purifier and high-temperature waste gas generated by the heating device in sequence; in addition, the discharge hole of the purifier is connected with the heating device, and a byproduct generated in the reactor enters the heating device from the discharge hole of the purifier to heat the reactor, so that the energy of the reforming system is fully utilized to provide energy for reforming hydrogen production. Meanwhile, the energy in the hydrogen production process is completely provided by the system, and extra energy does not need to be provided manually, so that the stability of the energy is ensured, the gas production efficiency is improved, the energy consumption is reduced, and the safety factor is also improved. The utility model is simple in operation, excellent in use effect easily uses widely.
Drawings
Fig. 1 is a schematic structural diagram of a methanol reforming hydrogen production system of the present invention.
Wherein: 1-raw material tank, 2-infusion pump, 3-first heat exchanger, 4-second heat exchanger, 5-reactor, 6-purifier, 7-heating device, 8-burner, 9-ignition device, 10-first temperature sensor, 11-second temperature sensor, 12-first flow sensor, 13-booster pump, 14-first pressure sensor, 15-third temperature sensor, 16, second pressure sensor, 17-electromagnetic three-way valve, 18-fan, 19-fourth temperature sensor, 20-second flow sensor, 21-fifth temperature sensor, 22-third pressure sensor, 23-sixth temperature sensor, 24-fourth pressure sensor, 25-seventh temperature sensor, 26-eighth temperature sensor, 27-ninth temperature sensor, 28-fifth pressure sensor, 29-tenth temperature sensor, 30-sixth pressure sensor.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1, a methanol reforming hydrogen production system according to a preferred embodiment of the present invention includes a raw material tank 1, an infusion pump 2, a first heat exchanger 3, a second heat exchanger 4, a reactor 5, a purifier 6, and a heating device 7 for heating the reactor 5, wherein the raw material tank 1 is connected to a liquid inlet of the second heat exchanger 4, the first heat exchanger 3 is disposed between the raw material tank 1 and the second heat exchanger 4, the infusion pump 2 is disposed between the first heat exchanger 3 and the raw material tank 1, a liquid outlet of the second heat exchanger 4 is connected to a liquid inlet of the purifier 6, the reactor 5 is disposed between the second heat exchanger 4 and the purifier 6, a gas outlet of the purifier 6 is connected to a gas inlet of the first heat exchanger 3, a discharge port of the purifier 6 is connected to the heating device 7, and the air outlet of the heating device 7 is connected with the air inlet of the second heat exchanger 4.
According to the methanol reforming hydrogen production system based on the technical characteristics, the gas outlet of the purifier 6 is connected with the gas inlet of the first heat exchanger 3, and the gas outlet of the heating device 7 is connected with the gas inlet of the second heat exchanger 4, so that the raw material entering the reactor 5 is subjected to heat exchange heating by high-temperature hydrogen discharged from the purifier 6 and high-temperature waste gas generated by the heating device; in addition, the discharge hole of the purifier 6 is connected with the heating device 7, and the byproduct generated in the reactor 5 enters the heating device 7 from the discharge hole of the purifier 6 to heat the reactor 5, so that the energy of the reforming system is fully utilized to provide energy for reforming hydrogen production. Meanwhile, the energy in the hydrogen production process is completely provided by the system, and extra energy does not need to be provided manually, so that the stability of the energy is ensured, the gas production efficiency is improved, the energy consumption is reduced, and the safety factor is also improved. The utility model is simple in operation, excellent in use effect easily uses widely.
In this embodiment, the heating device 7 includes a burner 8 and an ignition device 9 for igniting the burner 8, and the burner 89 and the ignition device are respectively provided with a first temperature sensor 10 and a second temperature sensor 11. In the process of system hydrogen production, hydrogen and byproducts generated in the reactor 5 enter the purifier 6, and the purifier 6 is a palladium alloy membrane purifier with a heating sheet, so that the hydrogen can reach the first heat exchanger 3 through the palladium alloy membrane for heat exchange and then flows into the hydrogen utilization equipment from the gas outlet of the first heat exchanger 3. And the by-product can not permeate the palladium alloy membrane, and enters a burner 8 of the heating device 7 to be burnt to heat the reactor 5, meanwhile, waste gas generated by burning flows into the second heat exchanger 4 to be used as a raw material to be heated, and finally flows into the atmosphere from the air outlet of the second heat exchanger 4.
In addition, the first temperature sensor 10 and the second temperature sensor 11 are arranged, so that whether the combustor 8 and the ignition device 9 work normally or not can be monitored in real time, and the reliability of the system is guaranteed.
In this embodiment, the infusion pump 2 and the first heat exchanger 3 are sequentially provided with a first flow sensor 12, a booster pump 13, a first pressure sensor 14, a third temperature sensor 15 and a second pressure sensor 16, and simultaneously, the booster pump 13 is two, the booster pump 13 is connected in series. Through setting up first flow sensor 12, can real time monitoring get into the volume of the raw materials of system, conveniently control the speed of transfer pump 2 to the stability of the hydrogen of assurance system. Through setting up first pressure sensor 14 and second pressure sensor 16 can be in real time to getting into the raw materials of first heat exchanger 3 carries out pressure detection, the convenient control the operation of booster pump 13 guarantees the steady operation of system. Through setting up third temperature sensor 15, can real time monitoring get into the temperature of the raw materials of first heat exchanger 3 provides the basis for the temperature control of entire system.
In this embodiment, the heating device 7 is provided with a fan 18, and the fan 18 is provided with a fourth temperature sensor 19 and a second flow sensor 20. The fourth temperature sensor 19 is arranged to monitor the temperature of the external air, the second flow sensor 20 detects the flow rate of the fan 18, and the rotating speed of the fan 18 is adjusted according to the temperature of the reactor 5 and the heating device 7, so that the optimal working efficiency of the reactor 5 is ensured.
In this embodiment, an outlet pipe of the first heat exchanger 3 is connected to an electromagnetic three-way valve 17, and a valve port of the electromagnetic three-way valve 17 is connected to the heating device 7, that is, a valve port of the electromagnetic three-way valve 17 is connected to the outlet of the first heat exchanger 3, one valve port is connected to the hydrogen-using device, and the other valve port is connected to the heating device 7, so that hydrogen gas coming out from the outlet of the first heat exchanger 3 forms two circulatable paths connecting the hydrogen-using device and the heating device 7, and when the hydrogen gas passing through the first heat exchanger 3 meets system requirements, the hydrogen gas flows into the hydrogen-using device; when the system stops producing hydrogen, the residual hydrogen flows into the heating device and is finally discharged through the fan 18, so that the danger is avoided.
In this embodiment, a fifth temperature sensor 21 and a third pressure sensor 22 are disposed between the first heat exchanger 3 and the second heat exchanger 4, so that the temperature and the pressure of the raw material flowing into the second heat exchanger 4 can be monitored in real time; a sixth temperature sensor 23 and a fourth pressure sensor 24 are arranged between the second heat exchanger 4 and the reactor 5, so that the temperature and the pressure of the raw material flowing into the reactor 5 can be monitored.
In this embodiment, the reactor 5 is provided with the seventh temperature sensor 25, and the seventh temperature sensor 25 can monitor the temperature of the reactor 5 in real time, so as to change the working states of the heating device 7 and the fan 18, ensure that the temperature of the reactor 5 is always kept at a proper temperature, and improve the hydrogen production efficiency. An eighth temperature sensor 26 is arranged on the purifier 6. Since the purifier 6 is a palladium alloy membrane purifier with a heating plate, the eighth temperature sensor 26 is arranged to monitor the temperature of the purifier 6 in real time, so as to control whether the heating plate of the purifier 6 needs to be heated by itself. A ninth temperature sensor 27 and a fifth pressure sensor 28 are disposed between the reactor 5 and the purifier 6, so that the temperature and the pressure of the product gas flowing into the purifier 6 can be monitored in real time, and the purifier 6 can be prevented from being damaged due to overhigh temperature and pressure.
In this embodiment, a tenth temperature sensor 29 and a sixth pressure sensor 30 are provided between the first heat exchanger 3 and the electromagnetic three-way valve 17. The tenth temperature sensor 29 is arranged to detect the temperature of the hydrogen in real time, so that the safety of hydrogen utilization is ensured; the sixth pressure sensor 30 may be provided to detect the pressure of hydrogen in real time, thereby controlling the booster pump 13 to vary the feed pressure.
In this embodiment, the methanol reforming hydrogen production system further comprises a numerical control program circuit and a control panel, wherein the control panel, the infusion pump 2, the first heat exchanger 3, the second heat exchanger 4, the reactor 5, the purifier 6 and the heating device 7 are electrically connected through the numerical control program circuit, and the control vertical panel is controlled to realize automatic control of the whole system, so that the stability of the system and the hydrogen production efficiency are ensured.
The utility model discloses a working process does: before the system is used, the system firstly carries out self-checking, after the self-checking is passed, an electric heating sheet of the purifier 6 is heated, after the purifier 6 reaches the working temperature, the ignition device 9 ignites the burner 8 to heat the reactor 5, the fan 18 is started along with the temperature rise of the reactor 5, the temperature of the reactor 5 is controlled to be lower than 420 ℃, when the reactor 5 reaches the reforming temperature, the infusion pump 2 is started to convey raw materials to the booster pump 13, meanwhile, the system adjusts the booster pump 13 according to the pressure of the sixth pressure sensor 30 to ensure that the pressure of the raw materials reaches a set value, then the raw materials enter the reactor 5 to react after passing through the first heat exchanger 3 and the second heat exchanger 4, reaction products enter the purifier 6, and hydrogen reaches the first heat exchanger 3 through a palladium alloy film of the purifier 6 and flows into the electromagnetic three-way valve 17, when the system conditions are suitable for releasing hydrogen, the electromagnetic three-way valve 17 opens one way to release hydrogen to the hydrogen utilization equipment. When the system is closed, the electromagnetic three-way valve 17 opens one way to the heating device 7 to exhaust the residual hydrogen. And the by-product entering the purifier 6 can not permeate the palladium alloy membrane, and enters the heating device 7 through the discharge hole of the purifier 6 for combustion and utilization.
To sum up, the embodiment of the utility model provides a methanol reforming hydrogen production system, it utilizes the heat of reaction product hydrogen and heating device 7's waste gas to preheat the raw materials, introduces heating device 7 combustion heat supply with the accessory substance that the reaction produced simultaneously, and the high efficiency has utilized the reaction heat of raw materials. The temperature sensor and the pressure sensor are arranged to collect data, and the electromagnetic three-way valve capable of being automatically controlled is adopted, so that automatic adjustment can be performed based on the collected data, the gas production efficiency is improved, and the safety is ensured.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. A methanol reforming hydrogen production system is characterized in that: including raw material tank, transfer pump, first heat exchanger, second heat exchanger, reactor, purification ware and be used for the heating device of reactor, raw material tank connects the inlet of second heat exchanger, first heat exchanger sets up raw material tank reaches between the second heat exchanger, the transfer pump sets up first heat exchanger reaches between the raw material tank, the liquid outlet of second heat exchanger is connected the feed inlet of purification ware, the reactor sets up the second heat exchanger reaches between the purification ware, the gas outlet of purification ware is connected the air inlet of first heat exchanger, the discharge gate of purification ware is connected heating device, heating device's gas outlet is connected the air inlet of second heat exchanger.
2. The system for reforming methanol to produce hydrogen of claim 1, wherein: the heating device comprises a burner and an ignition device for igniting the burner, and a first temperature sensor and a second temperature sensor are respectively arranged on the burner and the ignition device.
3. The system for reforming methanol to produce hydrogen of claim 1, wherein: the infusion pump with be equipped with first flow sensor, booster pump, first pressure sensor, third temperature sensor and second pressure sensor between the first heat exchanger in proper order.
4. The system for reforming methanol to produce hydrogen of claim 3, wherein: the booster pump is two, two series connection between the booster pump.
5. The system for reforming methanol to produce hydrogen of claim 1, wherein: the heating device is provided with a fan, and the fan is provided with a fourth temperature sensor and a second flow sensor.
6. The system for reforming methanol to produce hydrogen of any one of claims 1 to 5, wherein: an air outlet pipeline of the first heat exchanger is connected with an electromagnetic three-way valve, and a valve port of the electromagnetic three-way valve is connected with the heating device.
7. The system for reforming methanol to produce hydrogen of any one of claims 1 to 5, wherein: and a fifth temperature sensor and a third pressure sensor are arranged between the first heat exchanger and the second heat exchanger, and a sixth temperature sensor and a fourth pressure sensor are arranged between the second heat exchanger and the reactor.
8. The system for reforming methanol to produce hydrogen of any one of claims 1 to 5, wherein: the reactor is provided with a seventh temperature sensor, the purifier is provided with an eighth temperature sensor, and a ninth temperature sensor and a fifth pressure sensor are arranged between the reactor and the purifier.
9. The system for reforming methanol to produce hydrogen of claim 6, wherein: and a tenth temperature sensor and a sixth pressure sensor are arranged between the first heat exchanger and the electromagnetic three-way valve.
10. The system for reforming methanol to produce hydrogen of any one of claims 1 to 5, wherein: the device comprises a numerical control program circuit and a control panel, wherein the control panel, an infusion pump, a first heat exchanger, a second heat exchanger, a reactor, a purifier and a heating device are electrically connected through the numerical control program circuit.
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| CN201921397174.0U CN210855262U (en) | 2019-08-26 | 2019-08-26 | Methanol reforming hydrogen production system |
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| CN201921397174.0U CN210855262U (en) | 2019-08-26 | 2019-08-26 | Methanol reforming hydrogen production system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620679A (en) * | 2020-12-10 | 2022-06-14 | 广东醇氢新能源研究院有限公司 | Hydrogen production method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620679A (en) * | 2020-12-10 | 2022-06-14 | 广东醇氢新能源研究院有限公司 | Hydrogen production method |
| CN114620677A (en) * | 2020-12-10 | 2022-06-14 | 广东醇氢新能源研究院有限公司 | Hydrogen production system |
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