Chilling device for glyoxal production

Abstract

The utility model discloses a chilling device for glyoxal production, which comprises a preheating tank and a reaction tank, adjusting assemblies are symmetrically arranged on the outer side wall of the reaction tank, each adjusting assembly comprises a driving device fixedly connected to the outer side wall of the reaction tank, and the inner sides of the two driving devices are fixedly connected with a connecting frame. The adjusting assembly is arranged to adjust the size of water mist according to the concentration of a reaction product, the output shaft of the electric motor drives the main gear to rotate, the main gear drives the annular rack to rotate through the transmission gear, the annular rack is in meshing transmission in the tooth groove through the rotating disc, and the rotating disc drives the annular rack to rotate. The through hole is attached to the controllable mist outlet and staggered with the controllable mist outlet, water mist is sprayed out of the through hole, the outlet amount of the water mist is controlled by adjusting the position of the controllable mist outlet, the size of the water mist is automatically adjusted in real time according to the concentration of a reaction product, and therefore the glyoxal aqueous solution with the high purity is obtained, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of quenching devices for glyoxal production, in particular to a quenching device for glyoxal production. Background Art

[0002] Glyoxal is the aliphatic dialdehyde with the simplest molecular structure. In addition to the general properties of aliphatic aldehydes, it also has some special chemical properties. It is an important chemical raw material and intermediate, widely used in textile, medicine, metallurgy, environmental protection and other fields.

[0003] At present, when the conventional quenching device for glyoxal production is used, the water mist sprayed by the quenching device is usually mixed with the reaction product to obtain a glyoxal aqueous solution. The water mist formed by the quenching device cannot be adjusted. When the concentration of the reaction product is low, the purity of the obtained glyoxal aqueous solution is low, which affects the subsequent use, thereby resulting in a certain degree of limitation in the practicability of the device. Utility Model Content

[0004] The utility model aims to provide a quenching device for glyoxal production to solve the problem that the water mist formed by the quenching device in the above-mentioned background technology cannot be adjusted, and when the concentration of the reaction product is low, the purity of the obtained glyoxal aqueous solution is low, which affects the subsequent use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quenching device for glyoxal production, comprising a preheating tank and a reaction tank, wherein the outer wall of the reaction tank is symmetrically provided with an adjusting component, wherein the adjusting component comprises a driving device fixedly connected to the outer wall of the reaction tank, a connecting frame is fixedly connected to the inner sides of the two driving devices, a tooth groove is provided on the inner wall of the two driving devices, an opening is provided on one side of the upper surface of the driving device, a transmission gear is rotatably connected to the inner wall of the opening, an electric motor is fixedly connected to the upper surface of the two driving devices, the output shaft of the electric motor is transmission-connected to a main gear, the inner cavity of the tooth groove is meshingly connected to an annular rack, a rotating disk is fixedly connected to the middle part of the annular rack, a controllable mist outlet is provided on the outer wall of the rotating disk, and the main gear and the annular rack are meshingly transmitted through a transmission gear.

[0006] Preferably, an air inlet pipe B is fixedly connected to one side of the driving device, and a water inlet pipe is fixedly connected to the other side of the driving device.

[0007] Preferably, the inner cavities of the two driving devices are fixedly connected with a spray device, a through hole is provided on one side of the spray device, and an annular sliding groove is provided at an edge position of the spray device close to one side of the through hole.

[0008] Preferably, a ball bearing is provided on the side of the rotating disk away from the controllable mist outlet, and the rotating disk rolls in the annular sliding groove through the ball bearing.

[0009] Preferably, a liquid outlet pipe is fixedly connected to the bottom end of the reaction tank, and a solenoid valve is provided in the middle of the liquid outlet pipe.

[0010] Preferably, a heating device is provided at the bottom of the preheating tank, an air inlet pipe A is fixedly connected to one side of the outer wall of the preheating tank, a conduit is fixedly connected to the other side of the outer wall of the air inlet pipe A, and one end of the conduit away from the preheating tank is fixedly connected to the reaction tank, and a one-way valve is provided in the middle of the conduit.

[0011] Preferably, a feed port is fixedly connected to one side of the upper surface of the preheating tank, a threaded groove is provided on the outer wall of the feed port, and a sealing cover is threadedly connected to the outer surface of the threaded groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By setting an adjustment component, the size of the water mist can be adjusted according to the concentration of the reaction product. The output shaft of the electric motor drives the main gear to rotate, and the main gear drives the annular rack to rotate through the transmission gear. The annular rack is meshed and driven in the tooth groove through the rotating disk. The through hole fits with the controllable mist outlet and is dislocated. The water mist is sprayed out from the through hole. The amount of water mist is controlled by adjusting the position of the controllable mist outlet. The size of the water mist is automatically adjusted in real time according to the concentration of the reaction product, thereby achieving a glyoxal aqueous solution with higher purity, thereby improving the practicality of the device.

[0014] 2. By setting an annular chute and ball bearings, the service life of the device parts can be extended. The rotating disk is matched with the annular chute. When the rotating disk rotates, it will drive the ball bearings to roll in the annular chute, which reduces the friction coefficient between the parts, reduces the wear between the parts and the replacement frequency of the parts, and further improves the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A side schematic diagram of a three-dimensional structure provided by the utility model;

[0016] Figure 2 A front schematic diagram of a three-dimensional structure provided by the utility model;

[0017] Figure 3 A schematic diagram of the structure of the adjustment component provided by the utility model;

[0018] Figure 4 A schematic diagram of a cross-sectional structure of an adjustment component provided by the utility model;

[0019] Figure 5This is a schematic diagram of the explosion structure of the adjustment component provided by the utility model.

[0020] In the figure: 1. preheating tank; 2. heating device; 3. air inlet pipe A; 4. feed port; 5. sealing cover; 6. conduit; 7. one-way valve; 8. reaction tank; 9. liquid outlet pipe; 10. solenoid valve; 11. driving device; 12. air inlet pipe B; 13. water inlet pipe; 14. threaded groove; 15. electric motor; 16. main gear; 17. opening; 18. connecting frame; 19. tooth groove; 20. spray device; 21. annular slide groove; 22. rotating disk; 23. annular rack; 24. ball; 25. through hole; 26. controllable mist outlet; 27. transmission gear. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Please refer to Figures 1 to 4 A quenching device for glyoxal production, which can adjust the size of water mist according to the concentration of reaction products, includes a preheating tank 1 and a reaction tank 8, the outer wall of the reaction tank 8 is symmetrically provided with an adjustment component, the adjustment component includes a driving device 11 fixedly connected to the outer wall of the reaction tank 8, the inner sides of the two driving devices 11 are fixedly connected with a connecting frame 18, the inner side walls of the two driving devices 11 are provided with a tooth groove 19, one side of the upper surface of the driving device 11 is provided with an opening 17, the inner wall of the opening 17 is rotatably connected with a transmission gear 27, the upper surfaces of the two driving devices 11 are fixedly connected with an electric motor 15, the output shaft of the electric motor 15 is transmission-connected with a main gear 16, the inner cavity of the tooth groove 19 is meshedly connected with an annular rack 23, and the annular gear A rotating disk 22 is fixedly connected to the middle of the bar 23, and a controllable mist outlet 26 is opened on the outer wall of the rotating disk 22. The main gear 16 and the annular rack 23 are meshed and transmitted through a transmission gear 27. The output shaft of the electric motor 15 drives the main gear 16 to rotate, and the main gear 16 drives the annular rack 23 to rotate through the transmission gear 27. The annular rack 23 is meshed and transmitted in the tooth groove 19 through the rotating disk 22. The through hole 25 fits with the controllable mist outlet 26 and is misaligned. Water mist is sprayed from the through hole 25. The amount of water mist is controlled by adjusting the position of the controllable mist outlet 26, and the size of the water mist is automatically adjusted in real time according to the concentration of the reaction product, so as to achieve a glyoxal aqueous solution with higher purity, and the practicality of the device is improved.

[0023] Please refer to Figures 1 to 5, an air inlet pipe B12 is fixedly connected to one side of the driving device 11, a water inlet pipe 13 is fixedly connected to the other side of the driving device 11, a spray device 20 is fixedly connected to the inner cavity of the two driving devices 11, a through hole 25 is provided on one side of the spray device 20, an annular chute 21 is provided at the edge position of the spray device 20 near the through hole 25, a ball 24 is provided on the side of the rotating disk 22 away from the controllable mist outlet 26, and the rotating disk 22 rolls in the annular chute 21 through the ball 24, a liquid outlet pipe 9 is fixedly connected to the bottom end of the reaction tank 8, a solenoid valve 10 is provided in the middle of the liquid outlet pipe 9, a heating device 2 is provided at the bottom of the preheating tank 1, and one side of the outer wall of the preheating tank 1 is fixedly connected Inlet pipe A3, the other side of the outer wall of the intake pipe A3 is fixedly connected with a conduit 6, and the end of the conduit 6 away from the preheating tank 1 is fixedly connected to the reaction tank 8, a one-way valve 7 is arranged in the middle of the conduit 6, one side of the upper surface of the preheating tank 1 is fixedly connected with a feed port 4, the outer wall of the feed port 4 is provided with a threaded groove 14, the outer surface of the threaded groove 14 is threadedly connected with a sealing cover 5, the rotating disk 22 is matched with the annular groove 21, and when the rotating disk 22 rotates, it will drive the ball 24 to roll in the annular groove 21, thereby reducing the friction coefficient between the components, reducing the wear between the components and the replacement frequency of the components, so as to extend the service life of the components of the device, and the practicality of the device is further improved.

[0024] Working principle: When in use, first unscrew the sealing cover 5 from the threaded groove 14, add ethylene glycol and catalyst to the feed port 4, and the external air enters the preheating tank 1 through the intake pipe A3. The heating device 2 heats the product in the preheating tank 1 to 250-300 degrees Celsius for catalysis. The preheated ethylene glycol gasifies and mixes with the circulating gas through the conduit 6 and the one-way valve 7 to enter the reaction tank 8. The driving device 11 controls the air intake of the intake pipe B12 to avoid deep oxidation of ethylene glycol. The output shaft of the electric motor 15 drives the main gear 16 to rotate, and the main gear 16 drives the annular rack 23 to rotate through the transmission gear 27. The annular rack 23 is meshed and driven in the tooth groove 19 through the rotating disk 22. The through hole 25 fits with the controllable mist outlet 26 and is dislocated. The mist is sprayed out from the through hole 25. The amount of water mist is controlled by adjusting the position of the controllable mist outlet 26. The size of the water mist is automatically adjusted in real time according to the concentration of the reaction product, so as to achieve a glyoxal aqueous solution with higher purity. The rotating disk 22 is matched with the annular chute 21. When the rotating disk 22 rotates, it will drive the ball 24 to roll in the annular chute 21, which reduces the friction coefficient between the components, reduces the wear between the components and the replacement frequency of the components. The glyoxal aqueous solution is gathered inside the reaction tank 8, and the solenoid valve 10 is opened. The glyoxal aqueous solution is discharged through the liquid outlet pipe 9 for collection. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chilling device for glyoxal production, comprising a preheating tank (1) and a reaction tank (8), characterized in that: The outer wall of the reaction tank (8) is symmetrically provided with an adjustment assembly, the adjustment assembly comprising a driving device (11) fixedly connected to the outer wall of the reaction tank (8), a connecting frame (18) fixedly connected to the inner side of the two driving devices (11), a tooth groove (19) is provided on the inner wall of the two driving devices (11), an opening (17) is provided on one side of the upper surface of the driving device (11), a transmission gear (27) is rotatably connected to the inner wall of the opening (17), and the two driving devices (11) are provided with a plurality of gears (19) and a plurality of gears (29) are provided on the inner wall of the two driving devices (11). The upper surface of the driving device (11) is fixedly connected to an electric motor (15), the output shaft of the electric motor (15) is drivingly connected to a main gear (16), the inner cavity of the tooth groove (19) is meshingly connected to an annular rack (23), the middle part of the annular rack (23) is fixedly connected to a rotating disk (22), the outer wall of the rotating disk (22) is provided with a controllable mist outlet (26), and the main gear (16) and the annular rack (23) are meshingly driven through a transmission gear (27).

2. A chilling device for glyoxal production according to claim 1, characterized in that: One side of the driving device (11) is fixedly connected to an air inlet pipe B (12), and the other side of the driving device (11) is fixedly connected to a water inlet pipe (13).

3. A chilling device for glyoxal production according to claim 2, characterized in that: The inner cavities of the two driving devices (11) are fixedly connected with a spray device (20), a through hole (25) is provided on one side of the spray device (20), and an annular sliding groove (21) is provided at an edge position of the spray device (20) close to one side of the through hole (25).

4. A chilling device for glyoxal production according to claim 1, characterized in that: A ball bearing (24) is provided on the side of the rotating disk (22) away from the controllable mist outlet (26), and the rotating disk (22) rolls in the annular slide groove (21) via the ball bearing (24).

5. A chilling device for glyoxal production according to claim 1, characterized in that: The bottom end of the reaction tank (8) is fixedly connected to a liquid outlet pipe (9), and a solenoid valve (10) is arranged in the middle of the liquid outlet pipe (9).

6. A chilling device for glyoxal production according to claim 1, characterized in that: A heating device (2) is disposed at the bottom of the preheating tank (1); an air inlet pipe A (3) is fixedly connected to one side of the outer wall of the preheating tank (1); a conduit (6) is fixedly connected to the other side of the outer wall of the air inlet pipe A (3); and an end of the conduit (6) away from the preheating tank (1) is fixedly connected to a reaction tank (8); and a one-way valve (7) is disposed in the middle of the conduit (6).

7. A chilling device for glyoxal production according to claim 1, characterized in that: A feed port (4) is fixedly connected to one side of the upper surface of the preheating tank (1), a threaded groove (14) is provided on the outer wall of the feed port (4), and a sealing cover (5) is threadedly connected to the outer surface of the threaded groove (14).

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