Distillation device for phenolic resin production

Abstract

The utility model belongs to the field of phenolic resin production devices, and particularly relates to a distillation device for phenolic resin production. The technical problems that direct aeration of steam and phenolic resin is insufficient, and resin residues still exist on the inner wall of a device in the discharging process are solved. According to the technical scheme, the distillation device for phenolic resin production comprises a reaction kettle, the device further comprises a rotary drum assembly, a power assembly, a telescopic discharging assembly and an aeration assembly. The electric cylinder is started through rotation of the barrel, the stirring blades move up and down on the inner wall of the barrel, meanwhile, the ends, away from the axial lead of the shell, of the stirring blades scrape resin on the inner wall of the barrel, the stirring blades are arranged in an inclined mode, and therefore the resin can move downwards from the inner wall of the barrel, and the stirring blades are separated from the inner wall of the barrel. The problem that resin residues still exist on the inner wall of the device in the discharging process is solved.

Description

Technical Field

[0001] The utility model belongs to the field of phenolic resin production devices, and specifically relates to a distillation device for phenolic resin production. Background Art

[0002] Phenolic resin (PF) is a synthetic polymer obtained by the reaction of phenol or substituted phenol with formaldehyde. It is the first commercial synthetic resin (plastic) and has been widely used in the production of molded products such as billiard balls, laboratory countertops, as well as coatings and adhesives. In the production process of phenolic resin, distillation is an important purification step. In this process, the unreacted raw materials will be evaporated into gas and separated, and then collected by condensation. In the prior art, when the distillation device is aerated, the steam and phenolic resin are not directly aerated sufficiently, resulting in poor quality of the phenolic resin finished product, and during the unloading process, there is still a problem of resin residue on the inner wall of the reactor. Utility Model Content

[0003] In order to overcome the problem of insufficient direct aeration of steam and phenolic resin in the process of preparing phenolic resin using a distillation device, and the problem of resin residue still existing on the inner wall of the device during the discharge process.

[0004] The technical scheme of the utility model is: a distillation device for phenolic resin production, comprising a reactor; also comprising a drum assembly, a power assembly, a telescopic material discharge assembly and an aeration assembly; the reactor is provided with a drum assembly for ventilation and feeding; the drum assembly is provided with a power assembly for rotation; the reactor is provided with a telescopic material discharge assembly for stirring and auxiliary material discharge; the drum assembly is provided with an aeration assembly for distillation aeration.

[0005] Preferably, the materials to be mixed and reacted are placed in a drum assembly, the materials in the drum assembly are distilled through a reactor and an aeration assembly, and then the power assembly is turned on to rotate the drum assembly. When the drum assembly rotates, the inner wall of the drum assembly is stirred through a telescopic discharge assembly to allow it to react fully, thereby solving the problem of insufficient direct aeration of steam and phenolic resin and the presence of resin residue on the inner wall of the device during the discharge process.

[0006] Preferably, the reactor comprises a shell, a vent pipe, a fixed ring, a first trough body, a through groove and a second trough body; the vent pipe is fixedly connected to the outer wall of the shell; the fixed ring is fixedly connected to the inner wall of the shell; the first trough body is penetrated through the lower end of the shell; the through groove and the second trough body are penetrated through the upper end of the shell, and the distillation work is carried out on the inner wall of the shell, and steam can be input into the shell through the vent pipe.

[0007] Preferably, the rotating drum assembly comprises a drum body, an upper convex drum, a lower convex drum, a third trough body, a feeding pipe, an electromagnetic valve, a fourth trough body, a feeding pipe and an air outlet pipe; the inner wall of the shell is movably provided with the drum body; the outer wall of the drum body is fitted with the inner wall of the fixing ring; the upper end of the drum body is fixedly connected with the upper convex drum; the lower end of the drum body is fixedly connected with the lower convex drum; the upper end of the upper convex drum is penetrated by a fourth trough body; the lower end of the lower convex drum is penetrated by a third trough body; the lower end of the lower convex drum is fixedly connected with a feeding pipe; the feeding pipe is arranged on the electromagnetic valve; the outer wall of the lower convex drum is fitted with the inner wall of the first trough body; the upper end of the upper convex drum is fixedly connected with a feeding pipe in a through-type manner; the upper end of the upper convex drum is fixedly connected with evenly distributed air outlet pipes in a through-type manner, and the upper convex drum and the lower convex drum can facilitate the subsequent rotation of the drum body on the inner wall of the shell body, the feeding pipe can be used to feed the inner wall of the drum body, and the internal steam of the drum body can be discharged through the air outlet pipe.

[0008] Preferably, the power assembly includes a motor, a first synchronous pulley, a second synchronous pulley and a synchronous belt; the motor is fixedly connected to the upper end of the shell; the lower end of the output shaft of the motor passes through the through groove and is fixedly connected to the first synchronous pulley; the outer wall of the upper convex cylinder is fixedly connected to the second synchronous pulley; the outer wall of the second synchronous pulley is provided with a synchronous belt; the synchronous belt is wound around the outer walls of the second synchronous pulley and the first synchronous pulley, and by turning on the motor, the output shaft of the motor drives the first synchronous pulley to rotate, and the first synchronous pulley drives the second synchronous pulley to rotate through the synchronous belt, so that the cylinder rotates on the inner wall of the shell.

[0009] Preferably, the telescopic unloading assembly includes a fixed bracket, an electric cylinder and a stirring blade; the upper end of the shell is fixedly connected to the fixed bracket; the end of the fixed bracket close to the axis of the shell is fixedly connected to the electric cylinder; the lower end of the telescopic rod of the electric cylinder passes through the fourth groove body and extends to the inner wall of the cylinder; the lower end of the telescopic rod of the electric cylinder is fixedly connected to the stirring blade; the end of the stirring blade away from the axis of the shell is in contact with the inner wall of the cylinder, and when unloading is required, the electric cylinder is turned on by rotating the cylinder to make the stirring blade move up and down on the inner wall of the cylinder, and at the same time, the end of the stirring blade away from the axis of the shell scrapes the resin on the inner wall of the cylinder. Since the stirring blade is arranged obliquely, the resin will move downward from the inner wall of the cylinder.

[0010] Preferably, the reactor includes an aeration tank; the space formed by the lower end of the inner wall of the shell, the lower end of the cylinder and the outer wall of the lower convex cylinder is the aeration tank, and water vapor is injected into the ventilation pipe to make the water vapor flow into the aeration tank for storage, which is convenient for subsequent distillation work.

[0011] Preferably, the aeration assembly includes a first water vapor permeable membrane, a first micropore, a second water vapor permeable membrane and a second micropore; the first water vapor permeable membrane is provided at the lower end of the inner wall of the upper convex cylinder; the second water vapor permeable membrane is provided on the inner wall of the lower convex cylinder; the upper and lower ends of the integral structure formed by the first water vapor permeable membrane and the lower end of the inner wall of the cylinder body are penetrated with uniformly distributed first micropores; the upper and lower ends of the integral structure formed by the lower convex cylinder and the inner wall of the second water vapor permeable membrane are penetrated with uniformly distributed second micropores, and the water vapor in the aeration tank is used in the inner walls of the lower convex cylinder and the cylinder body through the first micropore and the second micropore respectively, to distill and aerate the phenolic resin in the cylinder body and the lower convex cylinder, so that the water vapor is discharged from bottom to top, so that the phenolic resin is fully aerated.

[0012] Beneficial effects of the utility model:

[0013] 1. By rotating the cylinder, the electric cylinder is turned on to make the stirring blade move up and down on the inner wall of the cylinder. At the same time, the end of the stirring blade away from the axis of the shell scrapes the resin on the inner wall of the cylinder. Since the stirring blade is set obliquely, the resin will move downward from the inner wall of the cylinder, solving the problem of resin residue on the inner wall of the device during the unloading process;

[0014] 2. The water vapor in the aeration tank is used in the inner wall of the lower convex cylinder and the cylinder through the first micropore and the second micropore respectively, and the phenolic resin in the cylinder and the lower convex cylinder is distilled and aerated, so that the water vapor is discharged from bottom to top, so that the phenolic resin is fully aerated, which solves the problem of insufficient direct aeration of steam and phenolic resin;

[0015] 3. The upper convex cylinder and the lower convex cylinder can facilitate the subsequent rotation of the cylinder on the inner wall of the shell, the feeding pipe can be used to feed the inner wall of the cylinder, and the internal steam of the cylinder can be discharged through the exhaust pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a three-dimensional structural schematic diagram of a distillation device for producing phenolic resin of the utility model;

[0017] Figure 2 What is shown is a three-dimensional cross-sectional schematic diagram of a distillation device for producing phenolic resin according to the utility model;

[0018] Figure 3 The present invention is a three-dimensional structural schematic diagram of a partially enlarged portion A of a distillation device for producing phenolic resin;

[0019] Figure 4 The three-dimensional structure diagram of the drum assembly and the power assembly of a distillation device for producing phenolic resin of the utility model is shown;

[0020] Figure 5What is shown is a three-dimensional structural schematic diagram of a telescopic feeding assembly of a distillation device for producing phenolic resin according to the utility model.

[0021] The markings in the accompanying drawings are: 1-reactor, 101-shell, 102-vent pipe, 103-fixed ring, 104-first tank body, 105-through groove, 106-second tank body, 107-aeration tank, 2-rotating drum assembly, 201-drum body, 202-upper convex cylinder, 203-lower convex cylinder, 204-third tank body, 205-feeding pipe, 206-solenoid valve, 207-fourth tank body, 208-feeding pipe, 209-air outlet pipe, 3-power assembly, 301-motor, 302-first synchronous pulley, 303-second synchronous pulley, 304-synchronous belt, 4-telescopic feeding assembly, 401-fixed bracket, 402-electric cylinder, 403-stirring blade, 5-aeration assembly, 501-first water vapor permeation membrane, 502-first micropore, 503-second water vapor permeation membrane, 504-second micropore. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] See also Figure 1 The utility model provides an embodiment: a distillation device for producing phenolic resin, including a reactor 1; also including a drum assembly 2, a power assembly 3, a telescopic discharge assembly 4 and an aeration assembly 5; the reactor 1 is provided with a drum assembly 2 for ventilation and feeding; the drum assembly 2 is provided with a power assembly 3 for rotation; the reactor 1 is provided with a telescopic discharge assembly 4 for stirring and auxiliary discharge; the drum assembly 2 is provided with an aeration assembly 5 for distillation aeration.

[0024] See also Figure 2-3 In this embodiment, the reactor 1 includes a shell 101, a vent pipe 102, a fixing ring 103, a first slot body 104, a through slot 105 and a second slot body 106; the vent pipe 102 is fixedly connected to the outer wall of the shell 101; the fixing ring 103 is fixedly connected to the inner wall of the shell 101; the first slot body 104 is penetrated through the lower end of the shell 101; the through slot 105 and the second slot body 106 are penetrated through the upper end of the shell 101, and the reactor 1 includes an aeration tank 107; the space formed by the lower end of the inner wall of the shell 101, the lower end of the cylinder 201 and the outer wall of the lower convex cylinder 203 is the aeration tank 107.

[0025] See also Figure 2-4In this embodiment, the drum assembly 2 includes a drum 201, an upper convex cylinder 202, a lower convex cylinder 203, a third slot 204, a feed pipe 205, a solenoid valve 206, a fourth slot 207, a feed pipe 208 and an air outlet pipe 209; the inner wall of the shell 101 is movably provided with the drum 201; the outer wall of the drum 201 is in contact with the inner wall of the fixing ring 103; the upper end of the drum 201 is fixedly connected with the upper convex cylinder 202; the lower end of the drum 201 is fixedly connected with the lower convex cylinder 203; the upper end of the upper convex cylinder 202 is penetrated with a fourth slot 207; the lower end of the lower convex cylinder 203 is penetrated with a third slot 204; the lower end of the lower convex cylinder 203 is fixedly connected with the feed pipe 205; the feed pipe 205 is provided with a solenoid valve 206; the outer wall of the lower convex cylinder 203 is in contact with the inner wall of the first slot 104 The inner wall is fitted; a feeding pipe 208 is fixedly connected to the upper end of the upper convex cylinder 202; an evenly distributed air outlet pipe 209 is fixedly connected to the upper end of the upper convex cylinder 202, and the aeration component 5 includes a first water vapor permeable membrane 501, a first micropore 502, a second water vapor permeable membrane 503 and a second micropore 504; the first water vapor permeable membrane 501 is arranged at the lower end of the inner wall of the upper convex cylinder 202; the second water vapor permeable membrane 503 is arranged on the inner wall of the lower convex cylinder 203; the upper and lower ends of the integral structure formed by the first water vapor permeable membrane 501 and the lower end of the inner wall of the cylinder body 201 are penetrated with evenly distributed first micropores 502; the upper and lower ends of the integral structure formed by the inner wall of the lower convex cylinder 203 and the second water vapor permeable membrane 503 are penetrated with evenly distributed second micropores 504.

[0026] See also Figure 4 In this embodiment, the power assembly 3 includes a motor 301, a first synchronous pulley 302, a second synchronous pulley 303 and a synchronous belt 304; the motor 301 is fixedly connected to the upper end of the housing 101; the lower end of the output shaft of the motor 301 passes through the through groove 105 and is fixedly connected to the first synchronous pulley 302; the outer wall of the upper convex cylinder 202 is fixedly connected to the second synchronous pulley 303; the outer wall of the second synchronous pulley 303 is provided with a synchronous belt 304; the synchronous belt 304 is wound around the outer walls of the second synchronous pulley 303 and the first synchronous pulley 302.

[0027] See also Figure 5 In this embodiment, the telescopic unloading assembly 4 includes a fixed bracket 401, an electric cylinder 402 and a stirring blade 403; the upper end of the shell 101 is fixedly connected to the fixed bracket 401; the end of the fixed bracket 401 close to the axis of the shell 101 is fixedly connected to the electric cylinder 402; the lower end of the telescopic rod of the electric cylinder 402 passes through the fourth groove body 207 and extends to the inner wall of the cylinder 201; the lower end of the telescopic rod of the electric cylinder 402 is fixedly connected to the stirring blade 403; the end of the stirring blade 403 away from the axis of the shell 101 is in contact with the inner wall of the cylinder 201.

[0028] The upper convex cylinder 202 and the lower convex cylinder 203 can facilitate the subsequent rotation of the cylinder 201 on the inner wall of the shell 101, the feeding pipe 208 can be used to feed the inner wall of the cylinder 201, and the internal steam of the cylinder 201 can be discharged through the exhaust pipe 209;

[0029] Next, by turning on the motor 301, the output shaft of the motor 301 drives the first synchronous pulley 302 to rotate, and the first synchronous pulley 302 drives the second synchronous pulley 303 to rotate through the synchronous belt 304, so that the cylinder 201 rotates on the inner wall of the housing 101;

[0030] When unloading is required, the electric cylinder 402 is turned on by rotating the barrel 201, so that the stirring blade 403 moves up and down on the inner wall of the barrel 201. At the same time, the end of the stirring blade 403 away from the axis of the shell 101 scrapes the resin on the inner wall of the barrel 201. Since the stirring blade 403 is arranged obliquely, the resin will move downward from the inner wall of the barrel 201. The water vapor in the aeration tank 107 is used in the inner walls of the lower convex cylinder 203 and the barrel 201 through the first micropore 502 and the second micropore 504 respectively, and the phenolic resin in the barrel 201 and the lower convex cylinder 203 is distilled and aerated, so that the water vapor is discharged from bottom to top, so that the phenolic resin is fully aerated.

[0031] Through the above steps, the materials to be mixed and reacted are placed into the drum assembly 2, the materials in the drum assembly 2 are distilled through the reactor 1 and the aeration assembly 5, and then the power assembly 3 is turned on to rotate the drum assembly 2. When the drum assembly 2 rotates, the inner wall of the drum assembly 2 is stirred by the telescopic discharge assembly 4 to make it fully react, thereby solving the problem of insufficient direct aeration of steam and phenolic resin and the presence of resin residue on the inner wall of the device during the discharge process.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A distillation apparatus for producing phenolic resin, comprising a reaction kettle (1); characterized in that: The reactor (1) also comprises a drum assembly (2), a power assembly (3), a telescopic material discharge assembly (4) and an aeration assembly (5); the reactor (1) is provided with a drum assembly (2) for ventilation and material feeding; the drum assembly (2) is provided with a power assembly (3) for rotation; the reactor (1) is provided with a telescopic material discharge assembly (4) for stirring and auxiliary material discharge; the drum assembly (2) is provided with an aeration assembly (5) for distillation aeration; the reactor (1) comprises a shell (101), a vent pipe (102), a fixing ring (103), a first tank body (104), a through slot (105) ) and a second trough (106); a vent pipe (102) is fixedly connected to the outer wall of the shell (101); a fixing ring (103) is fixedly connected to the inner wall of the shell (101); a first trough (104) is penetrated through the lower end of the shell (101); a through groove (105) and a second trough (106) are penetrated through the upper end of the shell (101); a cylinder (201) is movably provided on the inner wall of the shell (101); the telescopic unloading assembly (4) comprises a fixed bracket (401), an electric cylinder (402) and a stirring blade (403); a fixed ring (103) is fixedly connected to the upper end of the shell (101); The fixed bracket (401) is fixedly connected to an electric cylinder (402) at one end of the fixed bracket (401) close to the axis of the shell (101); the lower end of the telescopic rod of the electric cylinder (402) passes through the fourth slot (207) and extends to the inner wall of the cylinder (201); the lower end of the telescopic rod of the electric cylinder (402) is fixedly connected to a stirring blade (403); the end of the stirring blade (403) away from the axis of the shell (101) is in contact with the inner wall of the cylinder (201); the reactor (1) includes an aeration tank (107); the lower end of the inner wall of the shell (101) is in contact with the lower end of the cylinder (201) and the lower convex cylinder (207); 03) is an aeration tank (107); the aeration assembly (5) comprises a first water vapor permeable membrane (501), a first micropore (502), a second water vapor permeable membrane (503) and a second micropore (504); the first water vapor permeable membrane (501) is arranged at the lower end of the inner wall of the upper convex cylinder (202); the second water vapor permeable membrane (503) is arranged at the inner wall of the lower convex cylinder (203); and the upper and lower ends of the integrated structure formed by the first water vapor permeable membrane (501) and the lower end of the inner wall of the cylinder body (201) are penetrated by uniformly distributed first micropores (502).

2. A distillation apparatus for producing phenolic resin according to claim 1, characterized in that: The rotating drum assembly (2) comprises an upper convex cylinder (202), a lower convex cylinder (203), a third tank body (204), a feeding pipe (205), a solenoid valve (206), a fourth tank body (207), a feeding pipe (208) and an air outlet pipe (209); the outer wall of the cylinder body (201) is fitted with the inner wall of the fixing ring (103); the upper end of the cylinder body (201) is fixedly connected to the upper convex cylinder (202); the lower end of the cylinder body (201) is fixedly connected to the lower convex cylinder (203); the upper end of the upper convex cylinder (202) penetrates A fourth trough body (207) is provided; a third trough body (204) is provided through the lower end of the lower convex cylinder (203); a feed pipe (205) is fixedly connected to the lower end of the lower convex cylinder (203); a solenoid valve (206) is provided on the feed pipe (205); the outer wall of the lower convex cylinder (203) is in contact with the inner wall of the first trough body (104); a feed pipe (208) is fixedly connected to the upper end of the upper convex cylinder (202); and evenly distributed air outlet pipes (209) are fixedly connected to the upper end of the upper convex cylinder (202).

3. A distillation apparatus for producing phenolic resin according to claim 2, characterized in that: The power assembly (3) comprises a motor (301), a first synchronous pulley (302), a second synchronous pulley (303) and a synchronous belt (304); the upper end of the housing (101) is fixedly connected to the motor (301); the lower end of the output shaft of the motor (301) passes through the through groove (105) and is fixedly connected to the first synchronous pulley (302); the outer wall of the upper convex cylinder (202) is fixedly connected to the second synchronous pulley (303); the outer wall of the second synchronous pulley (303) is provided with a synchronous belt (304); the synchronous belt (304) is wound around the outer walls of the second synchronous pulley (303) and the first synchronous pulley (302).

4. A distillation apparatus for producing phenolic resin according to claim 3, characterized in that: The lower convex cylinder (203) and the inner wall of the second water vapor permeable membrane (503) form an integrated structure with uniformly distributed second micropores (504) penetrating the upper and lower ends.

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