CN216092256U - Safe and reliable's methyl alcohol evaporation plant - Google Patents

Abstract

The utility model discloses a safe and reliable methanol evaporation device which comprises a machine shell, wherein an electromagnetic induction heating body used for evaporating methanol liquid to form methanol steam through electromagnetic induction heating, an IGBT power module used for controlling the electromagnetic induction heating body to work, a radiator in contact connection with the IGBT module, a control circuit board used for controlling the IGBT power module to work, and a power circuit board used for supplying power for the IGBT power module and the control circuit board are arranged in the machine shell, the power circuit board is respectively and electrically connected with the control circuit board and the IGBT power module, a steam connector is further arranged on the machine shell, and a pressure release valve is arranged on the steam connector or a communication pipeline between the steam connector and a steam outlet of the electromagnetic induction heating body. The methanol evaporation device is simple in structure and safe to use, pressure of the electromagnetic induction heating body can be automatically relieved through the pressure relief valve when the air pressure is too high through the pressure relief valve, explosion caused by too high pressure is avoided, and the use safety of the methanol evaporation device is effectively guaranteed.

Description

Safe and reliable's methyl alcohol evaporation plant

Technical Field

The utility model relates to a methanol evaporation device, in particular to a safe and reliable methanol evaporation 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, also known as hydroxymethane, is an organic compound that is the simplest saturated monohydric alcohol and is commonly used as a fuel in industrial applications.

For example, chinese patent 201721492018.3 discloses a methanol vaporization reaction apparatus with high vaporization rate, which comprises a molten salt tank, and a methanol heat exchange device, a synthesis vaporizer, and a synthesis reactor which are sequentially connected; the upper half part of the synthesis vaporizer is provided with a first heat exchanger, and the lower half part of the synthesis vaporizer 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 process of vaporizing methanol, 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 methanol evaporation device with a simple structure and safe use is provided, and the pressure relief valve is arranged to automatically relieve the pressure when the air pressure in the electromagnetic induction heating body is too high, so that explosion caused by too high pressure is avoided, and the use safety of the methanol evaporation device is effectively guaranteed.

The utility model is realized by adopting the following technical scheme: the utility model provides a safe and reliable's methyl alcohol evaporation plant, which comprises a housing, be equipped with the electromagnetic induction heat-generating body that is used for making methyl alcohol liquid evaporation form methyl alcohol steam through electromagnetic induction heating in the casing, an IGBT power module for producing alternating current in order to control electromagnetic induction heat-generating body work, the radiator that links to each other with IGBT module contact, a control circuit board for controlling IGBT power module work, a power supply circuit board for IGBT power module and control circuit board power supply, power supply circuit board respectively with control circuit board and IGBT power module electric connection, still be equipped with steam joint on the casing, be equipped with the relief valve on steam joint or steam joint and the communicating pipeline of the play steam port of electromagnetic induction heat-generating body.

In one embodiment, the electromagnetic induction heating unit comprises a heating tube, an insulating inner tube sleeved outside the 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 heating tube and the insulating inner tube to form an evaporation cavity; the both ends of heating tube, insulating inner tube and insulating outer tube are fixed jointly through two end caps, and two end caps all are equipped with the through-hole, have worn respectively on two through-holes to connect the feed liquor pipe and have gone out the steam pipe and connect the both ends at the heating tube, and the periphery side of feed liquor pipe and play steam pipe is equipped with the end cover of crimping on two end caps, and the size of end cover is not less than the internal diameter of insulating inner tube.

In one embodiment, the heating tube, the insulating inner tube and the insulating outer tube are all tubular and coaxially arranged.

In one embodiment, a gap is formed between the insulating inner pipe and the insulating outer pipe to form a heat insulation cavity.

In one embodiment, the inner side wall of the heating tube is provided with internal threads, the outer peripheral sides of the liquid inlet tube and the steam outlet tube are correspondingly provided with external threads, and the liquid inlet tube and the steam outlet tube are respectively screwed at the two ends of the heating tube through the external threads.

In one embodiment, a first mounting hole is formed in the outer peripheral side, exposed out of the end cover, of the liquid inlet pipe, and a flow valve used for controlling the liquid flow in the liquid inlet pipe is arranged on the first mounting hole.

In one embodiment, a second mounting hole is formed in the outer peripheral side of the steam outlet pipe, which is exposed out of the end cover, and a temperature sensor for monitoring the temperature of steam in the steam outlet pipe or a pressure sensor for monitoring the steam pressure in the steam outlet pipe is arranged on the second mounting hole.

In one embodiment, a mounting plate is further arranged in the casing, and the electromagnetic induction heating body, the IGBT power module, the radiator, the control circuit board and the power circuit board are all arranged on the mounting plate and fixed in the casing through the mounting plate.

In one embodiment, the steam joint and one end of the liquid inlet pipe are exposed out of the casing.

In one embodiment, the heat spreader is a semiconductor heat spreader.

Compared with the prior art, the utility model has the following beneficial effects: the methanol evaporation device is used for vaporizing liquid methanol into vapor methanol for use through electromagnetic induction heating. When the device is used, the methanol evaporation device is connected with electricity, the power supply circuit board supplies power to the control circuit board, the control circuit board controls the IGBT power module to output alternating current for the electromagnetic induction heating element, so that the electromagnetic induction heating element works and heats to ensure that liquid methanol is heated and vaporized into vapor methanol and is discharged from the steam joint for use; the heat generated by the IGBT power module during working is radiated by the radiator, so that the IGBT power module is kept at a normal temperature, and the stable working of the methanol evaporation device is guaranteed; wherein, the relief valve that sets up can pass through the automatic pressure release of relief valve when making the internal atmospheric pressure of electromagnetic induction heating too high, avoids the too big explosion that arouses of pressure, effectual guarantee methanol evaporation device's safety in utilization.

Drawings

Fig. 1 is a schematic perspective view of a methanol evaporation device.

FIG. 2 is a schematic front view of the methanol evaporation apparatus.

Fig. 3 is a schematic perspective assembly structure of an electromagnetic induction heating element in the methanol evaporation device.

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 fig. 1-2, a safe and reliable methanol evaporation device comprises a casing 1, an electromagnetic induction heating element 2 for evaporating methanol liquid to form methanol vapor by electromagnetic induction heating is arranged in the casing 1, an IGBT power module 3 for generating alternating current to control the electromagnetic induction heating element 2 to work, a radiator 4 connected with the IGBT module in contact, 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, wherein the power circuit board 6 is electrically connected with the control circuit board 5 and the IGBT power module 3, the casing 1 is further provided with a steam joint 9, and a pressure release valve 10 is arranged on the steam joint 9 or a communication pipeline between the steam joint 9 and a steam outlet of the electromagnetic induction heating element 2.

The methanol evaporation device is used for vaporizing liquid methanol into vapor methanol for use through electromagnetic induction heating. When the device is used, the methanol evaporation device is connected with electricity, 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 electromagnetic induction heating element 2, so that the electromagnetic induction heating element 2 works and heats to ensure that liquid methanol is heated and vaporized into vapor methanol and is discharged from the steam 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 is kept at a normal temperature, and the stable working of the methanol evaporation device is guaranteed; wherein, the relief valve 10 that sets up can pass through relief valve 10 automatic pressure release when making the atmospheric pressure in the electromagnetic induction heating body 2 too high, avoids the too big explosion that arouses of pressure among the methyl alcohol steam transportation process, therefore effectual guarantee methyl alcohol evaporation plant's safety in utilization.

In addition, as shown in fig. 3, the electromagnetic induction heating unit 2 includes a heating tube 21, an insulating inner tube 22 sleeved outside the 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, and a gap is formed between the heating tube 21 and the insulating inner tube 22 to form an evaporation cavity; the two ends of the 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, a liquid inlet tube 27 and a steam outlet tube 28 are respectively connected to the two through holes 26 in a penetrating manner and are connected to the two ends of the heating tube 21, end covers 29 which are pressed on the two end caps 25 are arranged on the peripheral sides of the liquid inlet tube 27 and the steam outlet tube 28, and the size of each end cover 29 is not smaller than the inner diameter of the insulating inner tube 22.

In one embodiment, the methanol evaporation device is vertically arranged for use, the end cap 25 is a plastic piece, and the heating tube 21, the liquid inlet tube 27, the vapor outlet tube 28 and the end cap are all metal pieces, so that when the electromagnetic induction heating element 2 is dried and burnt, the temperature is too high, and the end cap 25 below is easily melted, the insulating inner tube 22 loses the fixation of the end cap 25 and moves downwards under the action of gravity, and contacts with the end cap 29 when the end cap 25 is completely melted, and because the size of the end cap 29 is not smaller than the inner diameter of the insulating inner tube 22, the end cap 29 of the liquid inlet tube 27 can be ensured to be in sealing connection with one end of the insulating inner tube 22 with high probability, so that liquid methanol or methanol vapor in the evaporation cavity is prevented from being leaked in large quantity, and the use safety of the methanol evaporation device is improved. In addition, when the upper end cap 25 is melted and not melted completely, the end cap is supported by the insulating inner tube 22 or the insulating outer tube 23 and remains at the installation position, so that the insulating inner tube 22 can be ensured to be connected with the end cover 29 of the steam outlet tube 28 in a sealing manner, a large amount of liquid methanol or methanol steam in the evaporation cavity is prevented from leaking, and the use safety of the methanol evaporation device is improved.

The heating tube 21, the insulating inner tube 22 and the insulating outer tube 23 are all in tubular and coaxial arrangement and have three functions, one of the three functions is to ensure that the distance between the insulating inner tube 22 and the insulating outer tube 23 is even, 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, the heating tube 21 and the insulating inner tube 22 are coaxially arranged to effectively ensure that the size of the annular evaporation cavity pipeline is even, so that the vaporization effect is even, and the third function is convenient for positioning and assembling of the heating tube 21, the insulating inner tube 22 and the insulating outer tube 23 and is convenient to install.

It should be further noted that the electromagnetic induction heating unit 2 operates according to the following principle: the IGBT power module 3 provides alternating current for the electromagnetic coil 24, the electromagnetic coil 24 generates an alternating magnetic field, the 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; the liquid methanol is input into the evaporation cavity from the liquid inlet pipe 27, and is heated by heat exchange with the heating pipe 21 in the evaporation cavity, and when the liquid methanol is heated to exceed the boiling point, the liquid methanol is formed and is discharged from the steam outlet pipe 28, so that the liquid methanol is heated and evaporated by the electromagnetic induction heating body 2.

In addition, the heating tube 21 is an iron core, a stainless iron core or a stainless steel core, and in a preferred embodiment, the heating body is an iron core, so that the 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, a gap is formed between the insulating inner tube 22 and the insulating outer tube 23 to form a heat insulation cavity. The arranged heat insulation cavity is used for isolating the heat of the evaporation cavity, when the electromagnetic induction heating body 2 works, the heat in the evaporation cavity can radiate outwards due to the high temperature of the evaporation cavity, so that the heat of the evaporation cavity is isolated by the heat insulation cavity and concentrated in the evaporation cavity through the heat insulation cavity, the loss caused by the outward radiation of the heat of the evaporation cavity is avoided, and the heat efficiency of the electromagnetic induction heating body 2 is improved; meanwhile, the heat insulation cavity is arranged to prevent heat of the evaporation cavity from being conducted to the electromagnetic coil, damage caused by overheating and dry burning of the electromagnetic coil is avoided, and the working stability of the electromagnetic induction heating evaporator is improved.

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

The outer periphery of the liquid inlet pipe 27 exposed out of the end cover 29 is provided with a first mounting hole, and the first mounting hole is provided with a flow valve 272 for controlling the flow rate of liquid in the liquid inlet pipe 27. The flow rate of liquid entering the evaporation cavity is controlled by the arranged flow valve 272, when the liquid flow rate is overlarge, the liquid in the evaporation cavity is incompletely volatilized, and at the moment, the flow rate of the liquid entering the evaporation cavity is reduced by controlling the flow valve 272, so that the electromagnetic induction heating evaporator normally works; similarly, when the liquid flow is too small, the steam supply of the electromagnetic induction heating evaporator is insufficient, and at the moment, the flow valve 272 is used for controlling and increasing the liquid flow entering the evaporation cavity, so that the electromagnetic induction heating evaporator can supply steam normally, and the working stability is kept.

A second mounting hole is formed in the outer peripheral side of the steam outlet pipe 28, which is exposed out of the end cover 29, and a temperature sensor 282 for monitoring the temperature of steam in the steam outlet pipe 28 or a pressure sensor for monitoring the steam pressure in the steam outlet pipe 28 is arranged on the second mounting hole. When the temperature sensor 282 is provided to detect the temperature of the vapor discharged from the evaporation chamber, the temperature of the evaporation chamber can be adjusted according to the use requirement; when the pressure sensor is arranged, the pressure sensor detects the pressure of the steam exhausted from the evaporation cavity, so that the temperature of the evaporation cavity can be adjusted according to the use requirement, the evaporation speed is changed, and the air pressure is adjusted.

Wherein, still be equipped with mounting panel 7 in the casing 1, electromagnetic induction heat-generating body 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 evaporation device's assembly efficiency.

Wherein, steam joint 9 and feed liquor pipe 27's a terminal all exposes casing 1 setting, during the installation, only need through pipe connection feed liquor pipe 27 and steam 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 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 (10)

1. The utility model provides a safe and reliable's methyl alcohol evaporation plant, which comprises a housing, be equipped with the electromagnetic induction heat-generating body that is used for making methyl alcohol liquid evaporation form methyl alcohol steam through electromagnetic induction heating in the casing, an IGBT power module for producing alternating current in order to control electromagnetic induction heat-generating body work, the radiator that links to each other with IGBT module contact, a control circuit board for controlling IGBT power module work, a power supply circuit board for IGBT power module and control circuit board power supply, power supply circuit board respectively with control circuit board and IGBT power module electric connection, a serial communication line that its characterized in that still is equipped with the steam joint on the casing, be equipped with the relief valve on steam joint or steam joint and the communicating pipeline of the steam outlet of electromagnetic induction heat-generating body.

2. The safe and reliable methanol evaporation device according to claim 1, wherein the electromagnetic induction heating unit comprises a heating tube, an insulating inner tube sleeved outside the heating tube, an insulating outer tube sleeved outside the insulating inner tube, and an electromagnetic coil wound on the insulating outer tube, and an evaporation cavity is formed by a gap between the heating tube and the insulating inner tube; the both ends of heating tube, insulating inner tube and insulating outer tube are fixed jointly through two end caps, and two end caps all are equipped with the through-hole, have worn respectively on two through-holes to connect the feed liquor pipe and have gone out the steam pipe and connect the both ends at the heating tube, and the periphery side of feed liquor pipe and play steam pipe is equipped with the end cover of crimping on two end caps, and the size of end cover is not less than the internal diameter of insulating inner tube.

3. The safe and reliable methanol evaporation device of claim 2, wherein the heating tube, the inner insulating tube and the outer insulating tube are all tubular and coaxially arranged.

4. The methanol evaporation device of claim 2, wherein a gap is formed between the inner insulating tube and the outer insulating tube to form a heat insulating chamber.

5. The safe and reliable methanol evaporation device according to claim 2, wherein the inner side wall of the heating tube is provided with internal threads, the outer peripheral sides of the liquid inlet tube and the vapor outlet tube are correspondingly provided with external threads, and the liquid inlet tube and the vapor outlet tube are respectively screwed at the two ends of the heating tube through the external threads.

6. The safe and reliable methanol evaporation device of claim 2, wherein the outer periphery of the liquid inlet pipe exposed out of the end cover is provided with a first mounting hole, and the first mounting hole is provided with a flow valve for controlling the flow of liquid in the liquid inlet pipe.

7. The safe and reliable methanol evaporation device as claimed in claim 2, wherein the steam outlet pipe is provided with a second mounting hole on the outer circumference side exposed out of the end cover, and the second mounting hole is provided with a temperature sensor for monitoring the temperature of steam in the steam outlet pipe or a pressure sensor for monitoring the steam pressure in the steam outlet pipe.

8. The safe and reliable methanol evaporation device of claim 1, wherein a mounting plate is further arranged in the casing, and the electromagnetic induction heating body, the IGBT power module, the radiator, the control circuit board and the power circuit board are all arranged on the mounting plate and fixed in the casing through the mounting plate.

9. The methanol evaporator as claimed in claim 1, wherein the steam connection and one end of the liquid inlet pipe are exposed from the casing.

10. A safe and reliable methanol evaporation plant as claimed in claim 1, characterized in that the heat sink is a semiconductor heat sink.

Images