Outer circulation purification device of methanol evaporator

Abstract

The utility model relates to the technical field of formaldehyde production, and discloses a methanol evaporator external circulation purification device which comprises an evaporator, the outer surface of the evaporator is fixedly connected with a placing frame, and the outer surface of the evaporator is fixedly connected with a first guide pipe and a second guide pipe respectively. Placing plates are fixedly connected to the outer surfaces of the first guide pipe and the second guide pipe, a second placing plate is fixedly connected to the outer surfaces of the placing plates, and a motor is fixedly connected to the top of the second placing plate. The device has the following advantages and effects that a worker drives the motor to control the rotating shaft to drive the purification barrel to rotate, so that the purification device can be conveniently placed and replaced by changing directions, the working efficiency of the whole device is improved, the convenience of the whole device is improved, and the flexibility of the whole device is enhanced; the inner wall of the purifying barrel is in threaded connection with a filtering frame, and the filtering frame reinforces connection between the multi-layer filtering device and the purifying barrel, so that the whole device is convenient to mount and dismount.

Description

TECHNICAL FIELD

[0001] The utility model relates to formaldehyde production technical field, especially a kind of methanol evaporator outer circulation purification device. BACKGROUND

[0002] At present, domestic formaldehyde production is mainly obtained by silver catalytic oxidation with methanol as raw material, and the production device is mainly composed of five parts of methanol evaporation, ternary gas heating, ternary gas filtration, oxidizer reaction and formaldehyde absorption.

[0003] According to Chinese patent publication No. CN202465558U, a methanol evaporator external circulation purification device is provided, which relates to the field of formaldehyde production. It comprises a methanol evaporator, characterized in that a pressure pump, an adsorber and a first filter are connected in series from the bottom of the methanol evaporator along the pipeline, and finally connected to the methanol evaporator. The device adopts external connection mode, which does not affect the normal operation of the methanol evaporator, can continuously purify liquid methanol, thereby reducing the content of impurity ions in the methanol gas evaporated by the evaporator, prolonging the service life of the catalyst, reducing the methanol consumption in formaldehyde production, and the equipment is simple and the cost is low.

[0004] The above-mentioned patent has the effect of prolonging the service life of the catalyst and reducing the methanol consumption in formaldehyde production, but the adjustment and replacement of the purification device are not convenient and fast, and the control and adjustment of the heating device are not flexible and convenient. INVENTION CONTENTS

[0005] The utility model aims to provide a kind of methanol evaporator external circulation purification device, with the effect of being convenient for adjusting and being convenient for replacing purification device, being convenient for controlling the adjustment of heating device.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a kind of methanol evaporator external circulation purification device, including evaporator, the outer surface of the evaporator is fixedly connected with placing rack, the outer surface of the evaporator is respectively fixedly connected with first conduit and second conduit, the outer surface of the first conduit and second conduit is all fixedly connected with placing plate, the outer surface of the placing plate is fixedly connected with second placing plate, the top of the second placing plate is fixedly connected with motor, the output of the motor is fixedly connected with rotating shaft, the outer surface of the rotating shaft is fixedly connected with purification bucket and penetrates second placing plate.

[0007] By adopting the above technical scheme, the staff drives motor to control rotating shaft to drive purification bucket to rotate, so as to facilitate the placement and replacement of the purification device, improve the working efficiency of the overall device, improve the convenience of the overall device and strengthen the flexibility of the overall device.

[0008] The present invention is further configured as follows: the inner wall of the purification barrel is threadedly connected to a filter rack, and the inner wall of the filter rack is threadedly connected to a multi-layer filter device.

[0009] By adopting the above technical solution, the inner wall of the purification barrel is threadedly connected with a filter rack, and the filter rack strengthens the connection between the multi-layer filter device and the purification barrel, making the overall device easy to install and disassemble, and improving the flexibility of the overall device, facilitating adjustment, improving the working efficiency of the overall device, and saving labor costs and working time.

[0010] The present invention is further configured as follows: the outer surfaces of the purification barrel and the filter frame are both provided with openings.

[0011] By adopting the above technical solution, the opening facilitates the passage of gas, thereby improving the convenience of the entire device.

[0012] The present invention is further configured as follows: inner walls of the first conduit and the second conduit are fixedly connected with a fixing bracket, and an outer surface of the fixing bracket is fixedly connected with a cylinder.

[0013] By adopting the above technical solution, the fixing bracket strengthens the fixation and connection of the cylinder.

[0014] The present invention is further configured as follows: an output end of the cylinder is fixedly connected to a gas rod, the other end of the gas rod is fixedly connected to a through pipe, and an outer surface of the through pipe is fixedly connected to a sealing sleeve.

[0015] By adopting the above technical solution, the staff drives the cylinder to control the gas rod to drive the through pipe to fit into the corresponding opening of the sealing sleeve, thereby facilitating the transmission of gas.

[0016] The present invention is further configured as follows: a control bracket is fixedly connected to the outer surface of the placement rack, and a second motor is fixedly connected to the top of the control bracket.

[0017] By adopting the above technical solution, the control bracket strengthens the fixation and connection of the second motor.

[0018] The present invention is further configured as follows: an output end of the second motor is fixedly connected to a second rotating shaft, and a top of the second rotating shaft is fixedly connected to a gear.

[0019] By adopting the above technical solution, the staff drives the second motor to control the second shaft to drive the gear to rotate.

[0020] The utility model is further configured as follows: the outer surface of the placement rack is rotatably connected to a gear ring, and the outer surface of the gear is meshedly connected to the outer surface of the gear ring.

[0021] Through the meshing connection of the outer surface of the gear and the outer surface of the gear ring, the rotation of the gear drives the gear ring to rotate.

[0022] The utility model discloses further provide that: gear ring's top fixedly connected with control connecting frame.

[0023] Through the meshing connection of the outer surface of the gear and the outer surface of the gear ring, the rotation of the gear drives the gear ring to rotate.

[0024] The utility model discloses further provide that: control connecting frame's other end fixedly connected with heating ring cover, heating ring cover and evaporator's outer surface slidingly connected.

[0025] Through the meshing connection of the outer surface of the gear and the outer surface of the gear ring, the rotation of the gear drives the gear ring to rotate.

[0026] The utility model discloses the beneficial effect is:

[0027] 1, the utility model discloses a cooperation setting between evaporator, placing stand, first conduit, second conduit, placing plate, second placing plate, motor, pivot, purification bucket and filter frame, can make the device when using, staff drive motor control pivot drives purification bucket to rotate, thereby convenient to the purification device is placed and changes the position and is replaced, improves the working efficiency of whole device, improves the convenience of whole device, strengthens the flexibility of whole device, the inner wall screw thread connection of purification bucket has filter frame, and filter frame strengthens the connection of multilayer filter device and purification bucket, makes whole device convenient to install and detach, and improves the flexibility of whole device, is convenient to adjust, improves the working efficiency of whole device, saves manpower cost and working time, and staff drive cylinder control gas rod drives the corresponding opening of pipe combination sealing sleeve and is inserted into the connection, thereby convenient to the transmission of gas.

[0028] 2, the utility model discloses a cooperation setting between opening, fixed support, cylinder, gas rod, pipe and sealing sleeve, can make the device when using, staff drive second motor control second pivot drives gear to rotate, through the meshing connection of the outer surface of the gear and the outer surface of the gear ring, the rotation of the gear drives the gear ring to rotate, the top of gear ring fixedly connected with control connecting frame, the rotation of the gear drives the control connecting frame to rotate, through the rotation of control connecting frame control heating ring cover corresponding evaporator's outer surface ring around sliding, make whole device convenient to adjust, improve the working efficiency of whole device, save manpower cost and working time, improve the convenience of whole device. DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and all other drawings obtained by those of ordinary skill in the art based on the drawings without creative labor fall within the scope of protection of the present application.

[0030] Figure 1 The present application is a structural schematic diagram of the present application.

[0031] Figure 2 The present application is a structural schematic diagram of the present application.

[0032] Figure 3 The present application is a structural schematic diagram of the present application.

[0033] Figure 4 The present application is a structural schematic diagram of the present application.

[0034] In the figure, 1, evaporator; 2, placing rack; 3, first conduit; 4, second conduit; 5, placing plate; 6, second placing plate; 7, motor; 8, rotating shaft; 9, purification barrel; 10, filter frame; 11, multi-layer filter device; 12, opening; 13, fixed support; 14, air cylinder; 15, air rod; 16, through pipe; 17, sealing sleeve; 18, control support; 19, second motor; 20, second rotating shaft; 21, gear; 22, gear ring; 23, control connecting frame; 24, heating ring cover. DETAILED DESCRIPTION

[0035] The technical solutions of the present application will be described in detail below in combination with specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0036] Refer to Figures 1-4A methanol evaporator external circulation purification device includes an evaporator 1, the outer surface of the evaporator 1 is fixedly connected to a placement rack 2, the outer surface of the evaporator 1 is respectively fixedly connected to a first conduit 3 and a second conduit 4, the outer surfaces of the first conduit 3 and the second conduit 4 are both fixedly connected to a placement plate 5, the outer surface of the placement plate 5 is fixedly connected to a second placement plate 6, the top of the second placement plate 6 is fixedly connected to a motor 7, the output end of the motor 7 is fixedly connected to a rotating shaft 8, the outer surface of the rotating shaft 8 passes through the second placement plate 6 and is fixedly connected to a purification barrel 9, the inner wall of the purification barrel 9 is threadedly connected to a filter rack 10, the staff drives the motor 7 to control the rotating shaft 8 to drive the purification barrel 9 to rotate, so as to facilitate the placement and conversion of the purification device for replacement , improve the working efficiency of the whole device, improve the convenience of the whole device, enhance the flexibility of the whole device, the inner wall of the purification barrel 9 is threadedly connected with the filter frame 10, the filter frame 10 strengthens the connection between the multi-layer filter device 11 and the purification barrel 9, makes the whole device easy to install and disassemble, and improves the flexibility of the whole device, is easy to adjust, improves the working efficiency of the whole device, saves manpower cost and working time, the staff drives the cylinder 14 to control the gas rod 15 to drive the through pipe 16 to combine with the sealing sleeve 17 to correspond to the opening 12 to snap into connection, thereby facilitating the transmission of gas, the inner wall of the filter frame 10 is threadedly connected with the multi-layer filter device 11, the outer surfaces of the purification barrel 9 and the filter frame 10 are provided with openings 12, the first conduit 3 and the second conduit The inner wall of the tube 4 is fixedly connected with a fixed bracket 13, the outer surface of the fixed bracket 13 is fixedly connected with a cylinder 14, the output end of the cylinder 14 is fixedly connected with a gas rod 15, the other end of the gas rod 15 is fixedly connected with a through pipe 16, the outer surface of the through pipe 16 is fixedly connected with a sealing sleeve 17, the outer surface of the placement frame 2 is fixedly connected with a control bracket 18, the top of the control bracket 18 is fixedly connected with a second motor 19, the output end of the second motor 19 is fixedly connected with a second rotating shaft 20, the top of the second rotating shaft 20 is fixedly connected with a gear 21, the outer surface of the placement frame 2 is rotatably connected with a gear ring 22, the outer surface of the gear 21 is meshed with the outer surface of the gear ring 22, and the top of the gear ring 22 is fixedly connected with a control connecting frame 23. The other end of the connecting frame 23 is fixedly connected to a heating ring cover 24, and the heating ring cover 24 is slidably connected to the outer surface of the evaporator 1. The staff drives the second motor 19 to control the second rotating shaft 20 to drive the gear 21 to rotate. The outer surface of the gear 21 is meshed with the outer surface of the gear ring 22, so that the rotation of the gear 21 drives the gear ring 22 to rotate. The top of the gear ring 22 is fixedly connected to a control connecting frame 23, so that the rotation of the gear ring 22 drives the control connecting frame 23 to rotate. The heating ring cover 24 is controlled by the rotation of the control connecting frame 23 to slide around the outer surface of the evaporator 1, so that the overall device is easy to adjust, the working efficiency of the overall device is improved, labor costs and working time are saved, and the convenience of the overall device is improved.

[0037] In the present invention, through the coordinated arrangement among the evaporator 1, the placement rack 2, the first conduit 3, the second conduit 4, the placement plate 5, the second placement plate 6, the motor 7, the rotating shaft 8, the purification barrel 9 and the filter rack 10, the device can be used. The staff drives the motor 7 to control the rotating shaft 8 to drive the purification barrel 9 to rotate, so as to facilitate the placement and conversion of the purification device for replacement, improve the working efficiency of the entire device, improve the convenience of the entire device, and enhance the flexibility of the entire device. The inner wall of the purification barrel 9 is threadedly connected with the filter rack 10. The filter rack 10 strengthens the connection between the multi-layer filter device 11 and the purification barrel 9, making the entire device easy to install and disassemble, and improving the flexibility of the entire device, easy to adjust, and improving the working efficiency of the entire device, saving labor costs and working time. The staff drives the cylinder 14 to control the gas rod 15 to drive the through pipe 1 6 is connected with the sealing sleeve 17 and snapped into the corresponding opening 12, so as to facilitate the transmission of gas. Through the coordinated arrangement among the opening 12, the fixing bracket 13, the cylinder 14, the gas rod 15, the through pipe 16 and the sealing sleeve 17, when the device is in use, the staff drives the second motor 19 to control the second rotating shaft 20 to drive the gear 21 to rotate. The outer surface of the gear 21 is meshed with the outer surface of the gear ring 22, so that the rotation of the gear 21 drives the gear ring 22 to rotate. The top of the gear ring 22 is fixedly connected with a control connecting frame 23, so that the rotation of the gear ring 22 drives the control connecting frame 23 to rotate. The rotation of the control connecting frame 23 controls the heating ring cover 24 to slide around the outer surface of the evaporator 1, so that the overall device is easy to adjust, the working efficiency of the overall device is improved, labor costs and working time are saved, and the convenience of the overall device is improved.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A methanol evaporator external circulation purification device, comprising an evaporator (1), characterized in that: The outer surface of the evaporator (1) is fixedly connected to a placement rack (2), and the outer surface of the evaporator (1) is respectively fixedly connected to a first conduit (3) and a second conduit (4), and the outer surfaces of the first conduit (3) and the second conduit (4) are both fixedly connected to a placement plate (5), and the outer surface of the placement plate (5) is fixedly connected to a second placement plate (6), and the top of the second placement plate (6) is fixedly connected to a motor (7), and the output end of the motor (7) is fixedly connected to a rotating shaft (8), and the outer surface of the rotating shaft (8) passes through the second placement plate (6) and is fixedly connected to a purification barrel (9).

2. A methanol evaporator external circulation purification device according to claim 1, characterized in that: The inner wall of the purification barrel (9) is threadedly connected to a filter frame (10), and the inner wall of the filter frame (10) is threadedly connected to a multi-layer filter device (11).

3. A methanol evaporator external circulation purification device according to claim 2, characterized in that: The outer surfaces of the purification barrel (9) and the filter frame (10) are both provided with openings (12).

4. A methanol evaporator external circulation purification device according to claim 3, characterized in that: The inner walls of the first conduit (3) and the second conduit (4) are fixedly connected to a fixing bracket (13), and the outer surface of the fixing bracket (13) is fixedly connected to a cylinder (14).

5. A methanol evaporator external circulation purification device according to claim 4, characterized in that: The output end of the cylinder (14) is fixedly connected to a gas rod (15), the other end of the gas rod (15) is fixedly connected to a through pipe (16), and the outer surface of the through pipe (16) is fixedly connected to a sealing sleeve (17).

6. A methanol evaporator external circulation purification device according to claim 5, characterized in that: The outer surface of the placement rack (2) is fixedly connected to a control bracket (18), and the top of the control bracket (18) is fixedly connected to a second motor (19).

7. A methanol evaporator external circulation purification device according to claim 6, characterized in that: The output end of the second motor (19) is fixedly connected to a second rotating shaft (20), and the top of the second rotating shaft (20) is fixedly connected to a gear (21).

8. A methanol evaporator external circulation purification device according to claim 7, characterized in that: The outer surface of the placement rack (2) is rotatably connected to a gear ring (22), and the outer surface of the gear (21) is meshedly connected to the outer surface of the gear ring (22).

9. A methanol evaporator external circulation purification device according to claim 8, characterized in that: The top of the gear ring (22) is fixedly connected with a control connecting frame (23).

10. The methanol evaporator external circulation purification device according to claim 9, characterized in that: The other end of the control connection frame (23) is fixedly connected to a heating ring cover (24), and the heating ring cover (24) is slidably connected to the outer surface of the evaporator (1).

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