CN216113973U

CN216113973U - Methanol gasification device

Info

Publication number: CN216113973U
Application number: CN202122115828.XU
Authority: CN
Inventors: 闫俊
Original assignee: Shanxi Xintong Agricultural Development Co ltd
Current assignee: Shanxi Xintong Agricultural Development Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-03-22
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a methanol gasification device, which comprises a gasification processing core, a power supply circuit board, an IGBT power module and a temperature sensor arranged at the outlet of the gasification processing core, wherein the temperature sensor is used for detecting the real-time temperature of methanol gas; the control circuit board is electrically connected with the IGBT power module and the temperature sensor and is used for correspondingly adjusting the heating power of the gasification treatment core through the IGBT power module by utilizing the deviation between the real-time temperature of the methanol gas and the preset temperature required by the methanol gasification so as to maintain the methanol gas discharged from the outlet of the gasification treatment core at the preset temperature. The utility model can maintain the methanol gas discharged from the outlet of the gasification treatment core at the preset temperature so as to obtain the methanol gas with stable pressure, and the whole implementation process is simple, safe and reliable.

Description

Methanol gasification device

Technical Field

The utility model relates to the technical field of methanol gasification, in particular to a methanol gasification device.

Background

This section merely provides background information related to the present application so as to enable those skilled in the art to more fully and accurately understand the present application, which is not necessarily prior art.

Methanol is liquid at normal temperature and can be gasified by heating to the boiling point of over 64.7 ℃ under normal pressure. After gasification, methanol is commonly used as a fuel in industrial applications.

For example, chinese patent 2017214920183 discloses a methanol gasification reaction apparatus with a high gasification rate, which comprises a molten salt tank, and a methanol heat exchange device, a synthesis gasifier, and a synthesis reactor which are sequentially connected; the upper half part of the synthesis gasifier is provided with a first heat exchanger, and the lower half part of the synthesis gasifier is provided with a second heat exchanger; the outer wall of the synthesis reactor is provided with a third heat exchanger; an exhaust port at the bottom of the synthesis reactor is connected with a synthesis gas inlet at the lower part of the first heat exchanger; a molten salt medium inlet at the lower part of the third heat exchanger is connected with the molten salt tank, and a molten salt medium outlet at the upper part of the third heat exchanger is connected with a molten salt medium inlet at the lower part of the second heat exchanger; and the molten salt medium outlet of the second heat exchanger is connected back to the molten salt tank. In the technical scheme, a related air pressure detection device and a related pressure relief device are not arranged in the methanol heat exchange equipment, and when the air pressure of the methanol heat exchange equipment is too high in the methanol gasification process, the methanol heat exchange equipment is likely to explode, so that the problem of unsafe use exists.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a methanol gasification device which is simple to realize and safe and reliable to use.

The utility model provides a methanol gasification device, which comprises a gasification processing core, a power supply circuit board and an IGBT power module, wherein the IGBT power module is electrically connected with the gasification processing core and the power supply circuit board; the temperature sensor is arranged at the outlet of the gasification treatment core and is used for detecting the real-time temperature of the methanol gas; the control circuit board is electrically connected with the IGBT power module and the temperature sensor and is used for correspondingly adjusting the heating power of the gasification treatment core through the IGBT power module by utilizing the deviation between the real-time temperature of the methanol gas and the preset temperature required by the methanol gasification so as to maintain the methanol gas discharged from the outlet of the gasification treatment core at the preset temperature.

In a preferred embodiment, the methanol gasification device further comprises an air outlet joint, and the air outlet joint is communicated with the outlet of the gasification treatment core; a pressure release valve is arranged on the air outlet joint or on a communicating pipeline between the air outlet joint and the outlet of the gasification treatment core.

In a preferred embodiment, the gasification processing core comprises a magnetic energy heating pipe, an insulating inner pipe sleeved outside the magnetic energy heating pipe, an insulating outer pipe sleeved outside the insulating inner pipe and an electromagnetic coil wound on the insulating outer pipe, wherein a gap is formed between the magnetic energy heating pipe and the insulating inner pipe to form an evaporation cavity, and a gap is formed between the insulating inner pipe and the insulating outer pipe to form a heat insulation cavity.

In a preferred embodiment, the gasification treatment core is vertically arranged, the lower tail end of the evaporation cavity is connected with a liquid inlet pipe, the upper tail end of the evaporation cavity is connected with a gas outlet pipe, and the liquid inlet pipe and the gas outlet pipe are respectively arranged as an inlet and an outlet of the gasification treatment core.

In a preferred embodiment, the inner side walls of the two tail ends of the magnetic energy heating tube are provided with internal threads, one end of the liquid inlet tube and one end of the air outlet tube are correspondingly provided with external threads, and the liquid inlet tube and the air outlet tube are respectively screwed with the internal threads of the two tail ends of the magnetic energy heating tube through the external threads.

In a preferred embodiment, the magnetic energy heating tube, the insulating inner tube and the insulating outer tube are coaxially arranged, two ends of the magnetic energy heating tube, the insulating inner tube and the insulating outer tube are fixed together through an end cap respectively, the two end caps are provided with through holes, the two through holes are arranged through the liquid inlet tube and the gas outlet tube respectively, and end covers pressed on the two end caps are arranged on the peripheral sides of the liquid inlet tube and the gas outlet tube.

In a preferred embodiment, the end cap is a plastic piece, the magnetic energy heating tube and the end cap are both metal pieces, and the size of the end cap is not smaller than the inner diameter of the insulating inner tube.

In a preferred embodiment, a flow valve is arranged in the liquid inlet pipe and is electrically connected with the control circuit board.

In a preferred embodiment, the magnetic energy heating tube is an iron core, a stainless iron core or a stainless steel core, and the insulating inner tube and the insulating outer tube are both quartz tubes, glass tubes or ceramic tubes.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model heats liquid methanol to gasify the liquid methanol based on electromagnetic induction heating, utilizes the deviation between the real-time temperature of the methanol gas and the preset temperature required by the methanol gasification as the control basis, and leads the gasification processing core to provide enough heating heat for the liquid methanol by dynamically adjusting the heating power of the gasification processing core, so that the methanol gas discharged from the outlet of the gasification processing core is maintained at the preset temperature to obtain the methanol gas with stable pressure intensity, and the whole realization process is simple; in addition, because the methanol is formed in the evaporation cavity of the gasification treatment core, the evaporation cavity is isolated from the electromagnetic coil through the insulating inner tube and the insulating outer tube, no leakage is generated, and the methanol is completely isolated from the electrical component, so that the use is safe and reliable.

Drawings

Fig. 1 is a schematic perspective view of a methanol gasification apparatus.

Fig. 2 is a schematic front view of the methanol gasification apparatus.

Fig. 3 is a schematic perspective exploded view of the gasification treatment cartridge.

Fig. 4 is a schematic view of the internal structure of the gasification processing cartridge.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As shown in figures 1-2, the utility model discloses a methanol gasification device, which comprises a machine shell 1, wherein a gasification processing core 2, an IGBT power module 3 for generating alternating current to control the gasification processing core 2 to work, a radiator 4 in contact connection with the IGBT module, a control circuit board 5 for controlling the IGBT power module 3 to work, and a power circuit board 6 for supplying power to the IGBT power module 3 and the control circuit board 5, the power circuit board 6 is respectively and electrically connected with the control circuit board 5 and the IGBT power module 3, a temperature sensor 282 is arranged at the outlet of the gasification processing core 2 and electrically connected with the control circuit board 5, the temperature sensor 282 detects the real-time temperature of methanol gas discharged from the outlet of the gasification processing core 2 and transmits the real-time temperature to the control circuit board 5, and the control circuit board 5 generates a control signal for the IGBT power module 3 according to the deviation between the real-time temperature of the methanol gas and the preset temperature required by methanol gasification to adjust the gasification processing core 2 so as to control the IGBT power module 3 Heating power of the treatment core 2: when the real-time temperature of the methanol gas is lower than the preset temperature, the current heating power of the gasification treatment core 2 is increased; when the real-time temperature of the methanol gas is higher than the preset temperature, the current heating power of the gasification treatment core 2 is reduced; when the real-time temperature of the methanol gas is equal to the preset temperature, the current heating power of the gasification processing core 2 is maintained. The heating power of the gasification treatment core 2 is dynamically adjusted, so that the gasification treatment core 2 provides enough heating heat for liquid methanol, and the methanol gas discharged from the outlet of the gasification treatment core is maintained at a preset temperature, thereby obtaining the methanol gas with stable pressure. The methanol gas with stable pressure is the precondition that the methanol gas is supplied to a burner to be burnt as fuel to obtain stable fire power.

The temperature and the pressure of the methanol gas are in a correlation relationship, and the higher the temperature is, the higher the gasification speed of the liquid methanol is, and the higher the pressure of the obtained methanol gas is. The correlation between the temperature and the pressure of the methanol gas may be determined in advance by experimental measurement.

In addition, the methanol gasification device also comprises an air outlet joint 9, and the air outlet joint 9 is communicated with the outlet of the gasification treatment core 2. A pressure release valve 10 is arranged on the air outlet joint 9 or on a communication pipeline between the air outlet joint 9 and the outlet of the gasification treatment core 2. When liquid methanol is heated and gasified in the gasification treatment core 2 to form gaseous methanol, and the pressure of the methanol gas discharged from the outlet of the gasification treatment core 2 exceeds the set pressure of the pressure release valve 10, the pressure release valve 10 is opened to release pressure so as to ensure that the pressure of the methanol gas discharged from the gasification treatment core 2 is within a reasonable range, thereby avoiding the potential safety hazard of overlarge pressure in the methanol gas conveying process.

The power supply circuit board 6 supplies power to the control circuit board 5, the IGBT power module 3 is controlled by the control circuit board 5 to output alternating current for the gasification processing core 2, so that the gasification processing core 2 works and heats to ensure that liquid methanol is heated and gasified into vapor methanol and is discharged from the gas outlet joint 9 for use; the heat generated by the IGBT power module 3 during working is dissipated through the radiator 4, so that the IGBT power module 3 keeps normal temperature, and stable working of the methanol gasification device is guaranteed.

As further shown in fig. 3 and 4, the gasification processing core 2 includes a magnetic energy heating tube 21, an insulating inner tube 22 sleeved outside the magnetic energy heating tube 21, an insulating outer tube 23 sleeved outside the insulating inner tube 22, and an electromagnetic coil 24 wound on the insulating outer tube 23, wherein a gap is formed between the magnetic energy heating tube 21 and the insulating inner tube 22 to form an evaporation cavity 201, and a gap is formed between the insulating inner tube 22 and the insulating outer tube 23 to form a heat insulation cavity 202.

The thermal-insulated chamber 202 that sets up is used for keeping apart the heat of evaporation chamber 201, in gasification treatment core 2 during operation, because the temperature of evaporation chamber 201 is higher, so the heat in the evaporation chamber 201 can the external radiation, therefore, the thermal-insulated chamber 202 through the setting is used for keeping apart the heat of evaporation chamber, the heat that makes evaporation chamber 201 is kept apart by thermal-insulated chamber 201 and is concentrated in the evaporation chamber, the heat that can avoid evaporation chamber 201 is radiated outward and is caused the loss, the thermal efficiency of gasification treatment core 2 is improved, the heat conduction of avoiding evaporation chamber 201 again to solenoid 24, avoid solenoid 24 to overheat easily dry combustion and lead to the damage, improve the job stabilization nature of gasification treatment core 2.

In one embodiment, the gasification treatment core 2 is vertically arranged, the lower end of the evaporation cavity 201 is connected with a liquid inlet pipe 27, the upper end of the evaporation cavity 201 is connected with a gas outlet pipe 28, and the liquid inlet pipe 27 and the gas outlet pipe 28 are respectively arranged as an inlet and an outlet of the gasification treatment core 2. Therefore, after entering the evaporation chamber from the liquid inlet pipe 27, the liquid methanol is heated and gasified by exchanging heat with the magnetic energy heating pipe 21, and the formed methanol gas is discharged from the gasification treatment core 2 through the gas outlet pipe 28.

The two ends of the magnetic energy heating tube 21, the insulating inner tube 22 and the insulating outer tube 23 are fixed together through two end caps 25, the two end caps 25 are provided with through holes 26, the two through holes 26 respectively penetrate through the liquid inlet tube 27 and the air outlet tube 28, end covers 29 pressed on the two end caps 25 are arranged on the peripheral sides of the liquid inlet tube 27 and the air outlet tube 28, and the size of each end cover 29 is not smaller than the inner diameter of the insulating inner tube 22.

The end cap 25 is a plastic part, and the magnetic energy heating tube 21, the liquid inlet tube 27, the gas outlet tube 28 and the end cap are all metal parts. Like this, when gasification treatment core 2 takes place to dry combustion and therefore the too high temperature leads to the end cap 25 of below to melt easily, insulating inner tube 22 loses and receives the effect of gravity after end cap 25 is fixed and moves down to because end cap 25 contacts with end cover 29 when melting completely, because the size of end cover 29 is not less than insulating inner tube 22's internal diameter, so the end cover 29 that can guarantee feed liquor pipe 27 with the high probability can also be connected with insulating inner tube 22's one end sealing, avoid liquid methanol or the methanol steam in evaporation chamber 201 to take place a large amount of leakages, with this improvement methanol gasification device's safety in utilization. In addition, when the upper end cap 25 is melted and is not melted completely, the end cap is supported by the inner insulating tube 22 or the outer insulating tube 23 and remains at the installation position, so that the inner insulating tube 22 can be ensured to be connected with the end cover 29 of the air outlet tube 28 in a sealing manner, and a large amount of liquid methanol or methanol steam in the evaporation cavity is prevented from leaking, thereby improving the use safety of the methanol gasification device.

Wherein, magnetic energy heating tube 21, insulating inner tube 22, insulating outer tube 23 all are pipy and coaxial setting, have three effects: firstly, the distance between the insulating inner tube 22 and the insulating outer tube 23 is ensured to be even, and when the end cap 25 melts the insulating inner tube 22 and the insulating outer tube 23 and moves downwards, the possibility of collision between the insulating inner tube 22 and the insulating outer tube 23 is reduced; secondly, the magnetic energy heating tube 21 and the insulating inner tube 22 are coaxially arranged to effectively ensure that the thickness of each pipeline of the annular evaporation cavity is uniform, so that the gasification effect is uniform; thirdly, the magnetic energy heating tube 21, the insulating inner tube 22 and the insulating outer tube 23 are convenient to position and assemble, and the installation is convenient.

Specifically, the utility model uses the gasification processing core 2 to heat and gasify the methanol to output the methanol gas with stable pressure, and the working principle of the gasification processing core 2 is as follows: the IGBT power module 3 provides alternating current for the electromagnetic coil 24, the electromagnetic coil 24 generates an alternating magnetic field, the magnetic energy heating tube 21 continuously cuts magnetic lines of force in the alternating magnetic field so as to generate a plurality of eddy currents to generate heat by induction, and the heat is transmitted into the evaporation cavity; liquid methanol is input into the evaporation cavity from the liquid inlet pipe 27, heat exchange is generated between the liquid methanol and the magnetic energy heating pipe 21 in the evaporation cavity so as to be heated, and when the liquid methanol is heated to exceed the boiling point, vapor-state methanol is formed and is discharged from the gas outlet pipe 28, so that the liquid methanol is heated and evaporated by the gasification treatment core 2.

The magnetic energy heating tube 21 is an iron core, a stainless iron core or a stainless steel core, and in a preferred embodiment, the magnetic energy heating tube is an iron core, so that the magnetic energy heating tube is low in price, easy to purchase and good in magnetic permeability. The inner insulating tube 22 and the outer insulating tube 23 are made of quartz tube, glass tube or ceramic tube, and in a preferred embodiment, the outer insulating tube 23 is made of quartz tube with good heat dissipation performance, so that heat at the contact part with the electromagnetic coil 24 can be rapidly conducted, and the electromagnetic coil 24 is prevented from being dried due to overheating caused by local heat accumulation.

Wherein, the inside wall of magnetic energy heating tube 21 is provided with the internal thread, and the periphery side of feed liquor pipe 27 and outlet duct 28 corresponds and is provided with the external screw thread, and feed liquor pipe 27 and outlet duct 28 pass through the external screw thread and connect in magnetic energy heating tube 21's both ends respectively spiro union, and simple structure is convenient for process and the equipment is convenient.

Wherein, the periphery side that the feed liquor pipe 27 exposes the end cover 29 is equipped with first mounting hole, is equipped with the flow valve 272 that is arranged in controlling the liquid flow in feed liquor pipe 27 on the first mounting hole, and flow valve 272 and control circuit board 5 electrical connection. Through the flow valve 272 that sets up with the liquid flow of control entering evaporation intracavity, when liquid flow was too big, can lead to the liquid in the evaporation chamber 201 to volatilize incompletely, at this moment, control circuit board 5 either improves the heating power of gasification treatment core 2, or reduces the liquid methyl alcohol flow that gets into evaporation chamber 201 through flow valve 272 control, makes methyl alcohol gasification equipment normally work. Similarly, when the liquid flow is too small, the gas supply of the methanol gasification device is insufficient, and at the moment, the flow of the liquid methanol entering the evaporation cavity is controlled and increased by the flow valve 272, so that the methanol gasification device can normally supply gas and maintain the working stability.

Wherein, still be equipped with mounting panel 7 in the casing 1, gasification treatment core 2, IGBT power module 3, radiator 4, control circuit board 5, power supply circuit board 6 all establish on mounting panel 7 and fix in casing 1 through mounting panel 7 to improve methanol gasification device's assembly efficiency.

Wherein, the setting of casing 1 is all exposed to one end of giving vent to anger joint 9 and feed liquor pipe 27, during the installation, only need through pipe connection feed liquor pipe 27 and give vent to anger joint 9 can, simple to operate.

The radiator 4 is a semiconductor radiator 4, so that the radiating effect is good and the occupied space is small.

The method for realizing the methanol gasification by using the methanol gasification device specifically comprises the following steps:

s1, determining a preset temperature required by methanol gasification;

and S2, conveying the liquid methanol to the inlet of the gasification processing core 2, heating and gasifying the liquid methanol to a preset temperature by the gasification processing core 2, and obtaining methanol gas with stable pressure from the outlet of the gasification processing core 2.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A methanol gasification device comprises a gasification processing core, a power supply circuit board and an IGBT power module which is electrically connected with the gasification processing core and the power supply circuit board, wherein the gasification processing core is provided with an inlet and an outlet; it is characterized by also comprising:

the temperature sensor is arranged at the outlet of the gasification treatment core and is used for detecting the real-time temperature of the methanol gas;

the control circuit board is electrically connected with the IGBT power module and the temperature sensor and is used for correspondingly adjusting the heating power of the gasification treatment core through the IGBT power module by utilizing the deviation between the real-time temperature of the methanol gas and the preset temperature required by the methanol gasification so as to maintain the methanol gas discharged from the outlet of the gasification treatment core at the preset temperature.

2. The methanol gasification device according to claim 1, further comprising an air outlet joint, wherein the air outlet joint is communicated with the outlet of the gasification treatment core; a pressure release valve is arranged on the air outlet joint or on a communicating pipeline between the air outlet joint and the outlet of the gasification treatment core.

3. The methanol gasification device according to claim 1 or 2, wherein the gasification processing core comprises a magnetic energy heating tube, an insulating inner tube sleeved outside the magnetic energy heating tube, an insulating outer tube sleeved outside the insulating inner tube, and an electromagnetic coil wound on the insulating outer tube, wherein a gap is formed between the magnetic energy heating tube and the insulating inner tube to form an evaporation cavity, and a gap is formed between the insulating inner tube and the insulating outer tube to form a heat insulation cavity.

4. The methanol gasification device according to claim 3, wherein the gasification treatment core is vertically arranged, the lower end of the evaporation cavity is connected with a liquid inlet pipe, the upper end of the evaporation cavity is connected with a gas outlet pipe, and the liquid inlet pipe and the gas outlet pipe are respectively arranged as an inlet and an outlet of the gasification treatment core.

5. The methanol gasification device according to claim 4, wherein internal threads are formed on the inner side walls of the two ends of the magnetic energy heating pipe, external threads are correspondingly formed on one end of the liquid inlet pipe and one end of the air outlet pipe, and the liquid inlet pipe and the air outlet pipe are respectively screwed with the internal threads of the two ends of the magnetic energy heating pipe through the external threads.

6. The methanol gasifying device according to claim 4, wherein the magnetic energy heating pipe, the insulating inner pipe and the insulating outer pipe are coaxially arranged, and both ends of the magnetic energy heating pipe, the insulating inner pipe and the insulating outer pipe are fixed together by an end cap, both end caps are provided with through holes, the two through holes are respectively arranged by penetrating through the liquid inlet pipe and the gas outlet pipe, and the outer peripheral sides of the liquid inlet pipe and the gas outlet pipe are provided with end caps which are pressed on the two end caps.

7. The methanol gasification device of claim 6, wherein the end cap is a plastic part, the magnetic energy heating tube and the end cap are both metal parts, and the size of the end cap is not less than the inner diameter of the insulating inner tube.

8. The methanol gasification device of claim 4, wherein a flow valve is disposed in the liquid inlet pipe, and the flow valve is electrically connected to the control circuit board.

9. The methanol gasification device according to claim 3, wherein the magnetic energy heating tube is an iron core, a stainless iron core or a stainless steel core, and the insulating inner tube and the insulating outer tube are quartz tubes, glass tubes or ceramic tubes.