Safe methanol distillation device

Abstract

The utility model relates to the technical field of distillation devices, in particular to a safe methanol distillation device which comprises a water tank, a heating tank is fixedly connected with an inner cavity of the water tank, a distillation pipe is fixedly communicated with the upper end of the heating tank, a pressure relief pipe is fixedly communicated with the top end of the heating tank, and two ends of the pressure relief pipe are respectively positioned in the inner cavities of the water tank and the heating tank. The two ends of the pressure relief pipe are fixedly connected with a first fixing ring and a second fixing ring respectively, one end of the first fixing ring is fixedly connected with a spring, one end of the spring is fixedly connected with a sealing plate, and the sealing plate is tightly attached to one end of the second fixing ring. Compared with the prior art, methanol flows into the inner cavity of the water tank through the inner cavity of the first fixing ring, so that the situation that the air pressure in the heating box impacts the joint of the heating box and the distillation pipe to cause connection looseness and methanol overflow is avoided, and the situation that the air pressure in the heating box is too high to cause explosion is also avoided; and the safety of methanol distillation heating is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to distillation device technical field especially relates to a kind of methanol safe distillation device. BACKGROUND

[0002] Methanol is an organic compound, is the most simple structure of saturated monohydric alcohol, boiling point is 64.7 ℃, methanol is very light, volatile, colorless, flammable, and have very similar smell with ethanol (drinking wine), but different from ethanol, methanol is toxic, cannot be drunk, usually used as solvent, antifreeze, fuel or ethanol denaturant, also can be used to produce biodiesel through ester exchange reaction.

[0003] In the prior art, the patent with the announcement number CN215440378U proposes a kind of methanol removal device, so that the methanol content in hot distillation plum wine is lower than safety quality standard, can effectively improve the taste of plum wine, while heating can kill some bacteria in plum wine, but in actual application, there is still methanol distillation device mostly using electric heating base heating, but heating box has certain depth, it is easy to exist the temperature difference of methanol liquid in heating box upper and lower ends, so that the temperature detected by the heat sensor of distillation device and actual temperature exist certain gap, so that too much methanol vapor in heating box, too much steam cannot quickly flow into distillation pipe, and excess methanol vapor gathers in heating box and is easy to make the gas pressure in heating box too high, appear the problem of high gas pressure overflow from the connection of heating box and distillation pipe, even the gas pressure in heating box is too high and explodes, therefore, we disclose a kind of methanol safe distillation device. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a kind of methanol safe distillation device to solve the problem of methanol vapor overflow when heating box heats.

[0005] Based on the above purpose, the utility model provides a kind of methanol safe distillation device, including water tank, the inner chamber of water tank is fixedly connected with heating box, the upper end of heating box is fixedly communicated with distillation pipe, the top of heating box is fixedly communicated with pressure relief pipe, the two ends of pressure relief pipe are located in the inner chamber of water tank and heating box respectively, the two ends of pressure relief pipe are fixedly connected with first fixed ring and second fixed ring respectively, one end of first fixed ring is fixedly connected with spring, one end of spring is fixedly connected with sealing plate, the sealing plate is tightly attached to one end of second fixed ring, the sealing plate is slidably connected in the inner chamber of pressure relief pipe.

[0006] Preferably, the upper end of the distillation pipe penetrates into the top end of the water tank, the distillation pipe comprises a feeding pipe and a steam outlet pipe, both of which are fixedly communicated with the heating tank, the upper ends of the feeding pipe and the steam outlet pipe penetrate into the upper end of the water tank, the inner cavity of the water tank is provided with water, and the pressure relief pipe is located at the upper end of the water tank.

[0007] Preferably, the first fixed ring and the second fixed ring are of the same size, the diameter of the sealing plate is smaller than the inner cavity diameter of the pressure relief pipe, and the diameter of the second fixed ring is smaller than the diameter of the first fixed ring.

[0008] Preferably, the bottom end of the heating tank is fixedly connected with a plurality of supports, and the heating tank is fixedly connected with the water tank through the supports.

[0009] Preferably, the top end of the water tank is fixedly connected with a pressure sensor, both ends of the pressure sensor are located on the inner and outer sides of the water tank respectively, one end of the pressure sensor located in the inner cavity of the water tank is fixedly connected with a limiting sleeve, the limiting sleeve is slidably connected with a fixed rod, one end of the fixed rod penetrates through the spring and is fixedly connected with the sealing plate, one end of the pressure sensor located outside the water tank is fixedly connected with a signal transmission line, the bottom end of the signal transmission line is fixedly connected with a switch block, the bottom end of the switch block is fixedly connected with a heating base, the water tank is fixedly connected with the upper end of the heating base, and the switch block comprises a switch controller and an alarm.

[0010] Preferably, the outer diameter of the limiting sleeve is smaller than the inner diameter of the first fixed ring, and the other end of the fixed rod can be attached to the pressure sensor.

[0011] The utility model discloses the position of water tank fixed heating tank and the connection of heating tank and distillation pipe are wrapped, avoid the connection of heating tank and distillation pipe when the loose cause methanol steam overflow spills into the water tank, improve the security when methanol distillation, through the methanol steam of heating tank gathers in large quantities and cannot in time overflow and lead to the air pressure of heating tank increase, will push the sealing plate and compress the spring, make the excessive gas in heating tank pass through the inner cavity of second fixed ring, pass through the sealing plate and pressure relief pipe between, again through the inner cavity of first fixed ring and flow into the inner cavity of water tank, avoid the air pressure of heating tank too big, impact the connection of heating tank and distillation pipe, lead to the loose methanol overflow situation to appear, also avoided the air pressure of heating tank too big and the explosion situation to appear, improve the security when methanol distillation heating.

[0012] When the sealing plate is pushed to move by the over-high air pressure in the heating box, the sealing plate pushes the fixed rod to move to the pressure sensor to start the pressure sensor, and after the pressure sensor is started, the signal is transmitted to the switch block through the signal transmission line, so that the switch block sends an alarm and closes the heating base, so that the heating base immediately stops heating the water tank, so that the temperature in the heating box decreases, avoiding the air pressure in the heating box continuing to rise, so that the heating box explosion occurs, further improving the safety of the heating box in use. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0014] Fig. 1 It is a schematic diagram of the embodiment of the present application.

[0015] Fig. 2 It is a schematic diagram of the partial cutaway three-dimensional structure of the water tank of the present application.

[0016] Fig. 3 It is a schematic diagram of the partial cutaway structure of the pressure relief pipe of the present application.

[0017] The marks in the figure are:

[0018] 1, water tank; 2, heating box; 3, distillation pipe; 4, pressure relief pipe; 5, first fixed ring; 6, spring; 7, sealing plate; 8, fixed rod; 9, limiting sleeve; 10, pressure sensor; 11, signal transmission line; 12, switch block; 13, heating base; 14, second fixed ring. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the present application more clear, the following will further illustrate the present application in detail.

[0020] It should be noted that, unless otherwise defined, technical or scientific terms used in the present application should be understood as having the common meaning in the field of the present application to which they pertain. The terms "first", "second", and similar terms in the present application do not denote any order, quantity, or importance, but are merely used to distinguish different constituent parts. The terms "comprise", "comprising", and similar terms in the present application mean that the elements or objects before the word encompass the elements or objects listed after the word and their equivalents, without excluding other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "upper", "lower", "left", "right", and the like are merely used to indicate relative positional relationships, which can change when the absolute positions of the described objects change.

[0021] As Figs. 1-3As shown, a kind of methanol safety distillation device, including water tank 1, the inner chamber of water tank 1 is fixedly connected with heating tank 2, the upper end of heating tank 2 is fixedly communicated with distillation pipe 3, the top end of heating tank 2 is fixedly communicated with pressure relief pipe 4, the two ends of pressure relief pipe 4 are located in the inner chamber of water tank 1 and heating tank 2 respectively, the two ends of pressure relief pipe 4 are fixedly connected with first fixed ring 5 and second fixed ring 14 respectively, one end of first fixed ring 5 is fixedly connected with spring 6, one end of spring 6 is fixedly connected with sealing plate 7, sealing plate 7 is closely attached to one end of second fixed ring 14, the upper end of distillation pipe 3 penetrates to the top end of water tank 1, distillation pipe 3 includes feed pipe and steam outlet pipe, the feed pipe and the steam outlet pipe are fixedly communicated with heating tank 2, the upper end of the feed pipe and the steam outlet pipe penetrates to the upper end of water tank 1, the inner chamber of water tank 1 is provided with water, pressure relief pipe 4 is located at the upper end of water tank 1, first fixed ring 5 and second fixed ring 14 are the same size, sealing plate 7 is slidingly connected to the inner chamber of pressure relief pipe 4, the diameter value of sealing plate 7 is less than the inner chamber diameter value of pressure relief pipe 4, and the diameter value of second fixed ring 14, the bottom end of heating tank 2 is fixedly connected with a plurality of supports, and heating tank 2 is fixedly connected with water tank 1 through the supports, when using, the inner chamber of water tank 1 is fixedly connected with heating tank 2, the upper end of heating tank 2 is fixedly communicated with distillation pipe 3, the top end of heating tank 2 is fixedly communicated with pressure relief pipe 4, so that water tank 1 fixes the position of heating tank 2 and wraps the connection of heating tank 2 and distillation pipe 3, avoid that the connection of heating tank 2 and distillation pipe 3 is loose to cause methanol steam overflow when, will overflow into water tank 1, improve the safety when methanol distillation, make heating tank 2 fix the position of pressure relief pipe 4, so that the steam of methanol in heating tank 2 can flow out from distillation pipe 3, through the two ends of pressure relief pipe 4 are located in the inner chamber of water tank 1 and heating tank 2 respectively, the two ends of pressure relief pipe 4 are fixedly connected with first fixed ring 5 and second fixed ring 14 respectively, one end of first fixed ring 5 is fixedly connected with spring 6, one end of spring 6 is fixedly connected with sealing plate 7, sealing plate 7 is closely attached to one end of second fixed ring 14, so that the steam of methanol in heating tank 2 gathers in large quantities and cannot overflow in time to cause the pressure in heating tank 2 to increase, will push sealing plate 7 to move and compress spring 6, so that too much gas in heating tank 2 passes through the inner chamber of second fixed ring 14, passes between sealing plate 7 and pressure relief pipe 4, then flows into the inner chamber of water tank 1 through the inner chamber of first fixed ring 5, avoid that the pressure in heating tank 2 is too large, impact the connection of heating tank 2 and distillation pipe 3, cause loose connection and methanol overflow, also avoid that the pressure in heating tank 2 is too large and explosion occurs, improve the safety when methanol distillation and heating, through the upper end of distillation pipe 3 penetrates to the top end of water tank 1, distillation pipe 3 includes feed pipe and steam outlet pipe, so that the overflow of methanol at the connection of heating tank 2 and distillation pipe 3 can enter water tank 1, avoid that methanol steam enters the air, through the inner chamber of water tank 1 is provided with water, pressure relief pipe 4 is located at the upper end of water tank water, so that when heating heating tank 2, the whole temperature of methanol in heating tank 2 is balanced by water in water tank 1,Therefore, the accuracy of temperature detection of the temperature sensor in the heating box 2 is improved, and the safety of the heating box 2 in use is improved. The first fixing ring 5 and the second fixing ring 14 are the same size, the sealing plate 7 is slidably connected to the inner cavity of the pressure relief pipe 4, the diameter of the sealing plate 7 is smaller than the inner diameter of the pressure relief pipe 4, and the diameter of the second fixing ring 14 is greater than the diameter of the sealing plate 7. Therefore, the gas in the heating box 2 can enter the water tank 1 through the pressure relief pipe 4. The heating box 2 is fixedly connected to the water tank 1 through the plurality of supports fixedly connected to the bottom end of the heating box 2. Therefore, when the bottom end of the water tank 1 is heated, the bottom end of the heating box 2 will not be heated at the same time.

[0022] As a preferred embodiment in the present embodiment, as shown in Figs. 1-3 The top end of the water tank 1 is fixedly connected to the pressure sensor 10, the two ends of the pressure sensor 10 are located on the inside and outside of the water tank 1 respectively, one end of the pressure sensor 10 located in the inner cavity of the water tank 1 is fixedly connected to the limiting sleeve 9, the fixing rod 8 is slidably connected in the limiting sleeve 9, one end of the fixing rod 8 penetrates through the spring 6 and is fixedly connected to the sealing plate 7, the other end of the pressure sensor 10 located outside the water tank 1 is fixedly connected to the signal transmission line 11, the bottom end of the signal transmission line 11 is fixedly connected to the switch block 12, the bottom end of the switch block 12 is fixedly connected to the heating base 13, the water tank 1 is fixedly connected to the upper end of the heating base 13, the switch block 12 includes a switch controller and an alarm, the outer diameter of the limiting sleeve 9 is smaller than the inner diameter of the first fixing ring 5, the other end of the fixing rod 8 can be attached to the pressure sensor 10. The top end of the water tank 1 is fixedly connected to the pressure sensor 10, so that the position of the pressure sensor 10 is fixed. The two ends of the pressure sensor 10 are located on the inside and outside of the water tank 1 respectively, one end of the pressure sensor 10 located in the inner cavity of the water tank 1 is fixedly connected to the limiting sleeve 9, the fixing rod 8 is slidably connected in the limiting sleeve 9, one end of the fixing rod 8 penetrates through the spring 6 and is fixedly connected to the sealing plate 7. When the gas pressure in the heating box 2 is too high and pushes the sealing plate 7 to move, the sealing plate 7 pushes the fixing rod 8 to move and attach to the pressure sensor 10 to start the pressure sensor 10. The other end of the pressure sensor 10 located outside the water tank 1 is fixedly connected to the signal transmission line 11, the bottom end of the signal transmission line 11 is fixedly connected to the switch block 12, the bottom end of the switch block 12 is fixedly connected to the heating base 13, the switch block 12 includes a switch controller and an alarm, the water tank 1 is fixedly connected to the upper end of the heating base 13. After the pressure sensor 10 is started, the signal transmission line 11 transmits a signal to the switch block 12, the switch block 12 issues an alarm and closes the heating base 13, so that the heating base 13 immediately stops heating the water tank 1, so that the temperature in the heating box 2 decreases, and the gas pressure in the heating box 2 continues to rise, so that the heating box 2 explodes. Therefore, the safety of the heating box 2 in use is further improved.

[0023] Those skilled in the art will understand that the above discussion of any of the embodiments is merely exemplary in nature and is not intended to imply that the scope of the present application, including the claims, is limited to these examples; the above embodiments or technical features among different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of brevity.

[0024] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications and variations are intended to be encompassed by the appended claims.

Claims

1. A methanol safety distillation apparatus comprising a water tank (1), characterized in that, The inner cavity of the water tank (1) is fixedly connected with a heating tank (2), the upper end of the heating tank (2) is fixedly connected with a distillation pipe (3), the top end of the heating tank (2) is fixedly connected with a pressure relief pipe (4), the two ends of the pressure relief pipe (4) are located in the inner cavities of the water tank (1) and the heating tank (2) respectively, the two ends of the pressure relief pipe (4) are fixedly connected with a first fixed ring (5) and a second fixed ring (14) respectively, one end of the first fixed ring (5) is fixedly connected with a spring (6), one end of the spring (6) is fixedly connected with a sealing plate (7), the sealing plate (7) is tightly attached to one end of the second fixed ring (14), and the sealing plate (7) is slidingly connected in the inner cavity of the pressure relief pipe (4).

2. The methanol safety distillation apparatus of claim 1, wherein, The upper end of the distillation pipe (3) penetrates to the top end of the water tank (1), the distillation pipe (3) comprises a feeding pipe and a steam outlet pipe, the feeding pipe and the steam outlet pipe are fixedly connected with the heating tank (2), the upper ends of the feeding pipe and the steam outlet pipe penetrate to the upper end of the water tank (1), the inner cavity of the water tank (1) is provided with water, and the pressure relief pipe (4) is located at the upper end of the water tank (1).

3. The methanol safety distillation apparatus of claim 1, wherein, The first fixed ring (5) and the second fixed ring (14) are the same size, the diameter value of the sealing plate (7) is less than the inner cavity diameter value of the pressure relief pipe (4), and the diameter value of the second fixed ring (14) is greater than the diameter value.

4. The methanol safety distillation apparatus of claim 1, wherein, The bottom end of the heating tank (2) is fixedly connected with a plurality of supports, and the heating tank (2) is fixedly connected with the water tank (1) through the supports.

5. The methanol safety distillation apparatus of claim 1, wherein, The top end of the water tank (1) is fixedly connected with a pressure sensor (10), the two ends of the pressure sensor (10) are located on the inner and outer sides of the water tank (1) respectively, one end of the pressure sensor (10) located in the inner cavity of the water tank (1) is fixedly connected with a limiting sleeve (9), the limiting sleeve (9) is slidingly connected with a fixed rod (8), one end of the fixed rod (8) penetrates through the spring (6) and is fixedly connected with the sealing plate (7), one end of the pressure sensor (10) located outside the water tank (1) is fixedly connected with a signal transmission line (11), the bottom end of the signal transmission line (11) is fixedly connected with a switch block (12), the bottom end of the switch block (12) is fixedly connected with a heating base (13), the water tank (1) is fixedly connected to the upper end of the heating base (13), and the switch block (12) comprises a switch controller and an alarm.

6. The methanol safety distillation apparatus of claim 5, wherein, The outer diameter value of the limiting sleeve (9) is less than the inner diameter value of the first fixed ring (5), and the other end of the fixed rod (8) can be attached to the pressure sensor (10).

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