Phthalic anhydride waste residue treatment device

Abstract

The utility model discloses a phthalic anhydride waste residue treatment device which comprises a waste residue treatment tank and a stirring mechanism, the stirring mechanism comprises a gear box arranged at the top of the waste residue treatment tank, and a stirring rod and two auxiliary stirring components which are rotatably arranged in the waste residue treatment tank, the two auxiliary stirring assemblies are symmetrically arranged on the two sides of the stirring rod, a driving gear is rotatably arranged in the gearbox, driven gears meshed with the driving gear are rotatably arranged on the two sides of the driving gear, the stirring rod is sleeved with the driving gear, and each auxiliary stirring assembly comprises a rotating shaft rotatably arranged in the waste residue treatment tank. The rotating shaft is fixedly sleeved with the multiple stirring blade sets, the bearing seat is installed on the bottom wall in the waste residue treatment tank, a bearing is installed in the bearing seat, one end of the rotating shaft penetrates through the top wall of the waste residue treatment tank and extends into the gearbox, and the end, located in the gearbox, of the rotating shaft is sleeved with the driven gear; and the other end of the rotating shaft penetrates into the bearing.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste residue production equipment technical field especially relates to a phthalic anhydride waste residue treatment device. BACKGROUND

[0002] Phthalic anhydride waste residue is the phthalic anhydride waste residue containing a large amount of phthalic anhydride high boiler discharged in rectification process produced by naphthalene oxidation method or o-xylene oxidation method. In order to improve raw material utilization and phthalic anhydride yield, phthalic anhydride waste residue is often recycled in industry, at present, the existing phthalic anhydride waste residue recovery mode is mainly recrystallization method, and it needs to immerse phthalic anhydride waste residue in solvent and continuously stir to recover phthalic anhydride in phthalic anhydride residue by using recrystallization method direct sublimation method, but the existing stirrer can not make phthalic anhydride waste residue fully contact with solvent in the process of treating phthalic anhydride waste residue, so that phthalic anhydride waste residue often appears the phenomenon of sinking to the bottom due to insufficient stirring force, thereby affecting the treatment efficiency of phthalic anhydride waste residue. CONTENT OF UTILITY MODEL

[0003] Therefore, the utility model provides a phthalic anhydride waste residue treatment device to solve the above existing problems.

[0004] The utility model adopts the technical scheme that:

[0005] A phthalic anhydride waste residue treatment device, including waste residue treatment jar and the stirring mechanism of installing on the waste residue treatment jar, the stirring mechanism includes the gear box of setting at the top of the waste residue treatment jar, and rotatably setting the stirring stick and auxiliary stirring subassembly in the waste residue treatment jar interior, the auxiliary stirring subassembly has two, the two auxiliary stirring subassembly symmetrical setting at the both sides of the stirring stick, the inside rotatably of the gear box is provided with driving gear, the both sides rotatably of the driving gear are provided with two driven gears, the two driven gears are symmetrical and set at the both sides of the driving gear, and the two driven gears all are engaged with the driving gear, the driving gear is set on the stirring stick, the auxiliary stirring subassembly includes the rotation shaft rotatably set in the waste residue treatment jar interior, a plurality of stirring blade groups of fixedly set on the rotation shaft, and the bearing seat of installing on the inside bottom wall of the waste residue treatment jar, the bearing seat is installed in the bearing, and one end of the rotation shaft extends to the gear box in the top wall of the waste residue treatment jar, the driven gear is set on one end of the rotation shaft in the gear box, and the other end of the rotation shaft is threaded in the bearing.

[0006] Further, the stirring mechanism further includes a driving motor installed on the gear box, and one end of the stirring rod is fixedly connected with an output shaft of the driving motor.

[0007] Further, the stirring rod extends through the gear box and the top wall of the waste residue treatment tank to the waste residue treatment tank relative to the end connected with the driving motor, and the end of the stirring rod in the waste residue treatment tank is provided with a blade.

[0008] Further, the plurality of stirring blade groups are uniformly distributed on the rotating shaft, and the stirring blade groups are arranged in a staggered manner with the blade.

[0009] Further, the stirring blade group comprises a fixing seat sleeved on the rotating shaft, and stirring blades symmetrically arranged on both sides of the fixing seat, and the fixing seat is fixedly connected with the rotating shaft or integrally formed.

[0010] Further, a through groove is formed in the middle of the fixing seat, and the rotating shaft is arranged in the through groove.

[0011] Further, a plug hole is symmetrically formed on the side wall of the fixing seat, and a clamping groove is formed on the end hole wall of the plug hole.

[0012] Further, the plug hole is inserted into the plug hole, and the lug is clamped in the clamping groove.

[0013] Further, the waste residue treatment tank is in a cylindrical structure, the waste residue treatment tank is connected with a feeding pipe at the top of the side wall, the waste residue treatment tank is connected with a discharging pipe at the bottom of the side wall relative to the feeding pipe, and the feeding pipe and the discharging pipe are communicated with the inside of the waste residue treatment tank.

[0014] The beneficial effects of the present application are as follows:

[0015] The benzoyl waste residue treatment device provided by the utility model comprises a waste residue treatment tank for containing benzoyl waste residue and solvent, and a stirring mechanism installed on the waste residue treatment tank for fully stirring the benzoyl waste residue and the solvent, wherein the stirring mechanism comprises a gear box arranged on the top of the waste residue treatment tank, a stirring rod and an auxiliary stirring assembly rotatably arranged in the waste residue treatment tank, the auxiliary stirring assembly has two, and the two auxiliary stirring assemblies are symmetrically arranged on the two sides of the stirring rod; a driving gear is rotatably arranged in the gear box, two driven gears are rotatably arranged on the two sides of the driving gear, the two driven gears are symmetrically arranged on the two sides of the driving gear and are in engagement with the driving gear, the driving gear is sleeved on the stirring rod, the auxiliary stirring assembly comprises a rotating shaft rotatably arranged in the waste residue treatment tank, a plurality of stirring blade groups fixedly sleeved on the rotating shaft, and a bearing seat installed on the inner bottom wall of the waste residue treatment tank, a bearing matched with the rotating shaft is installed in the bearing seat, one end of the rotating shaft extends into the gear box through the top wall of the waste residue treatment tank, the driven gear is sleeved on one end of the rotating shaft in the gear box, and the other end of the rotating shaft penetrates through the bearing; during stirring, the stirring rod and the stirring blade groups on the rotating shaft rotate reversely and form convection, the benzoyl waste residue and the solvent are fully contacted under the cooperation of the stirring rod and the stirring blade groups on the rotating shaft, thereby avoiding the phenomenon that the benzoyl waste residue sinks to the bottom, making the benzoyl waste residue fully contact with the solvent, and improving the treatment efficiency of the benzoyl waste residue. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further explained in connection with the drawings and examples.

[0017] Figure 1 It is the front view of the benzoyl waste residue treatment device of the utility model;

[0018] Figure 2 It is the front view of the benzoyl waste residue treatment device of the utility model; Figure 1 It is the sectional view of the benzoyl waste residue treatment device of the utility model;

[0019] Figure 3 It is the sectional view of the benzoyl waste residue treatment device of the utility model; Figure 2

[0020] In the drawing: 100, benzoyl waste residue treatment device, 1, waste residue treatment tank, 11, feed inlet, 12, discharge port, 2, stirring mechanism, 21, gear box, 211, driving gear, 212, driven gear, 22, driving motor, 23, stirring rod, 24, auxiliary stirring mechanism, 241, rotating shaft, 242, stirring blade group, 2411, fixed seat, 24111, through slot, 24112, insertion hole, 24113, clamping groove, 2412, stirring blade, 24121, bolt, 24122, protruding block, 243, bearing seat. DETAILED DESCRIPTION ​

[0021] The utility model will be explained in detail in combination with the drawings. The drawing is a simplified schematic diagram, and only the basic structure of the utility model is schematically shown, so it only shows the structure related to the utility model.

[0022] As Figure 1 shown, the utility model provides a kind of phthalic anhydride waste residue processing device 100, for phthalic anhydride waste residue and solvent are fully mixed, make solvent dissolve and recover the organic matter in phthalic anhydride waste residue, the phthalic anhydride waste residue processing device 100 of the utility model includes the waste residue processing tank 1 for containing phthalic anhydride waste residue and solvent, and the stirring mechanism 2 for being fully stirred phthalic anhydride waste residue and solvent is installed on waste residue processing tank 1.

[0023] As Figure 1 shown, waste residue processing tank 1 is substantially cylindrical structure, the sidewall top of waste residue processing tank 1 is connected with the feed pipe 11 for conveying phthalic anhydride waste residue and solvent into waste residue processing tank 1, the sidewall bottom of the side of waste residue processing tank 1 relative to the feed pipe 11 is connected with the discharge pipe 12 for discharging the mixture in waste residue processing tank 1, the feed pipe 11 and discharge pipe 12 are all connected with the inside of waste residue processing tank 1, and phthalic anhydride waste residue and solvent to be treated are conveyed into waste residue processing tank 1 by feed pipe 11, and then discharged by discharge pipe 12 after being fully stirred by stirring mechanism 2 to carry out subsequent separation treatment.

[0024] As Figure 1 and Figure 2 shown, stirring mechanism 2 includes gear box 21 being arranged at the top of waste residue processing tank 1, driving motor 22 being installed on gear box 21, and stirring rod 23 and auxiliary stirring assembly 24 being rotatably arranged in the inside of waste residue processing tank 1, auxiliary stirring assembly 24 has two, and two auxiliary stirring assemblies 24 are symmetrically arranged at the two sides of stirring rod 23;The inside of gear box 21 is rotatably provided with driving gear 211 matched with stirring rod 23, and two driven gears 212 matched with two auxiliary stirring assemblies 24 are rotatably arranged at the two sides of driving gear 211, and two driven gears 212 are symmetrically arranged at the two sides of driving gear 211 and two driven gears 212 are all engaged with driving gear 211;One end of stirring rod 23 is fixedly connected with the output shaft of driving motor 22, the other end of stirring rod 23 extends to waste residue processing tank 1 through gear box 21 and the top wall of waste residue processing tank 1, and the end of stirring rod 23 located in the inside of waste residue processing tank 1 is provided with blade (not shown in the drawing), and driving gear 211 is sleeved on stirring rod 23.

[0025] As Figure 2 and Figure 3As shown, the auxiliary stirring assembly 24 comprises a rotating shaft 241 rotatably arranged inside the waste residue treatment tank 1, a plurality of stirring blade groups 242 fixedly sleeved on the rotating shaft 241, and a bearing seat 243 installed on the inner bottom wall of the waste residue treatment tank 1, wherein the bearing seat 243 is internally installed with a bearing (not shown) matched with the rotating shaft 241, one end of the rotating shaft 241 extends through the top wall of the waste residue treatment tank 1 into the gear box 21, the driven gear 212 is sleeved on the end of the rotating shaft 241 located in the gear box 21, and the other end of the rotating shaft 241 penetrates through the bearing; the plurality of stirring blade groups 242 are uniformly arranged on the rotating shaft 241 and are arranged in a staggered manner with the blades on the stirring rod 23, and each stirring blade group 242 comprises a fixing seat 2411 sleeved on the rotating shaft 241 and stirring blades 2412 symmetrically arranged on both sides of the fixing seat 2411, wherein the fixing seat 2411 is fixedly connected or integrally formed with the rotating shaft 241, a through groove 24111 matched with the rotating shaft 241 is formed in the middle of the fixing seat 2411, the rotating shaft 241 penetrates through the through groove 24111, and a plug hole 24112 matched with the stirring blade 2412 is symmetrically formed in the side wall of the fixing seat 2411, a clamping groove 24113 is formed in the end hole wall of the plug hole 24112, a plug pin 24121 matched with the plug hole 24112 is arranged on the stirring blade 2412, a protruding block 24122 matched with the clamping groove 24113 is arranged on the end portion of the plug pin 24121, the plug pin 24121 on the stirring blade 2412 is inserted into the plug hole 24112 on the side wall of the fixing seat 2411, and the protruding block 24122 on the plug pin 24121 is clamped in the clamping groove 24113; when the stirring rod 23 rotates, the driving gear 211 sleeved on the stirring rod 23 drives the rotating shaft 241 to rotate through the driven gear 212, and the phthalic anhydride waste residue and the solvent are fully contacted under the cooperation of the stirring blades 2412 on the rotating shaft 241 and the blades on the stirring rod 23.

[0026] In operation, the phthalic anhydride waste residue and the solvent to be treated are conveyed into the waste residue treatment tank 1 through the feeding pipe 11, the driving motor 22 is started, the driving motor 22 drives the stirring rod 23 to rotate, the driving gear 211 sleeved on the stirring rod 23 drives the rotating shaft 241 to rotate through the driven gear 212, the blades on the stirring rod 23 and the stirring blades 2412 on the rotating shaft 241 rotate in opposite directions and form a convection, and the phthalic anhydride waste residue and the solvent are fully contacted under the cooperation of the stirring blades 2412 on the rotating shaft 241 and the blades on the stirring rod 23; after the stirring is completed, the mixture is discharged through the discharging pipe 12 for subsequent separation treatment.

[0027] The phthalic anhydride waste residue treatment device 100 provided by the utility model includes a waste residue treatment tank 1 for containing phthalic anhydride waste residue and solvent, and a stirring mechanism 2 installed on the waste residue treatment tank 1 for fully stirring the phthalic anhydride waste residue and the solvent, the stirring mechanism 2 includes a gear box 21 arranged at the top of the waste residue treatment tank 1, and a stirring rod 23 and an auxiliary stirring assembly 24 rotatably arranged inside the waste residue treatment tank 1, the auxiliary stirring assembly 24 has two, and the two auxiliary stirring assemblies 24 are symmetrically arranged on the two sides of the stirring rod 23; the inside of the gear box 21 is rotatably provided with a driving gear 211, the two sides of the driving gear 211 are rotatably provided with two driven gears 212, the two driven gears 212 are symmetrically arranged on the two sides of the driving gear 211 and are in engagement with the driving gear 211, the driving gear 211 is sleeved on the stirring rod 23, the auxiliary stirring assembly 24 includes a rotating shaft 241 rotatably arranged inside the waste residue treatment tank 1, a plurality of stirring blade groups 242 fixedly sleeved on the rotating shaft 241, and a bearing seat 243 installed on the inner bottom wall of the waste residue treatment tank 1, the bearing seat 243 is internally provided with a bearing (not shown in the figure) matched with the rotating shaft 241, one end of the rotating shaft 241 extends into the gear box 21 through the top wall of the waste residue treatment tank 1, the driven gear 212 is sleeved on one end of the rotating shaft 241 located in the gear box 21, the other end of the rotating shaft 241 is arranged in the bearing, and when stirring, the stirring rod 23 and the stirring blade groups 242 on the rotating shaft 241 rotate in opposite directions and form convection, the phthalic anhydride waste residue and the solvent are fully contacted under the cooperation of the stirring rod 23 and the stirring blade groups 242 on the rotating shaft 241, so that the phenomenon of the phthalic anhydride waste residue sinking to the bottom is avoided, the phthalic anhydride waste residue is fully contacted with the solvent, and the treatment efficiency of the phthalic anhydride waste residue is improved.

[0028] Based on the above ideal embodiments of the utility model, through the above description, relevant staff can make various changes and modifications without deviating from the scope of the utility model. The technical scope of the utility model is not limited to the content in the specification, and must be determined according to the scope of claims.

Claims

1. A device for treating waste residues from the production of phthalic anhydride, characterized in that it comprises: The utility model provides waste residue treatment tank and the stirring mechanism of installing on waste residue treatment tank, the stirring mechanism includes the gear box of setting in the top of waste residue treatment tank and rotatably setting in the inside of waste residue treatment tank auxiliary stirring subassembly and stirring rod, the auxiliary stirring subassembly has two, the two auxiliary stirring subassembly symmetry sets up in the both sides of stirring rod, the inside rotatably of gear box is provided with driving gear, the both sides rotatably of driving gear is provided with two driven gears, two driven gears symmetry sets up in the both sides of driving gear and two driven gears all are engaged with driving gear, driving gear is set on stirring rod, the auxiliary stirring subassembly includes rotatably setting in the inside of waste residue treatment tank rotating shaft, a plurality of stirring blade groups of fixed sleeve set on rotating shaft and bearing seat of installing on the inside bottom wall of waste residue treatment tank, bearing is installed in bearing seat, one end of rotating shaft extends to the inside of gear box through the top wall of waste residue treatment tank, the driven gear is set on one end of rotating shaft in the inside of gear box, the other end of rotating shaft is passed in bearing.

2. The phthalic anhydride waste residue treatment device according to claim 1, characterized by, The stirring mechanism further comprises a driving motor installed on the gear box, one end of the stirring rod is fixedly connected with the output shaft of the driving motor.

3. The phthalic anhydride waste residue treatment device according to claim 2, characterized by, The stirring rod extends into the waste residue treatment tank through the top wall of the gear box and the waste residue treatment tank from the end opposite to the driving motor, and the end of the stirring rod inside the waste residue treatment tank is provided with a blade.

4. The phthalic anhydride waste residue treatment device according to claim 3, characterized by The plurality of stirring blade groups are uniformly distributed on the rotating shaft, and the stirring blade groups are arranged in a staggered manner with the blade.

5. The phthalic anhydride waste residue treatment device according to claim 1, characterized by, The stirring blade group comprises a fixing seat sleeved on the rotating shaft and stirring blades symmetrically arranged on both sides of the fixing seat, and the fixing seat is fixedly connected with the rotating shaft or integrally formed with the rotating shaft.

6. The phthalic anhydride waste residue treatment device according to claim 5, characterized by A through slot is formed in the middle of the fixing seat, and the rotating shaft is passed through the through slot.

7. The phthalic anhydride waste residue treatment device according to claim 5, characterized by Symmetrical insertion holes are formed in the side walls on both sides of the fixing seat, and a clamping groove is formed in the end hole wall of the insertion hole.

8. The phthalic anhydride waste residue treatment device according to claim 7, characterized by, A latch is arranged on the stirring blade, the end of the latch is provided with a protrusion, the latch is inserted into the insertion hole, and the protrusion is clamped in the clamping groove.

9. The phthalic anhydride waste residue treatment device according to claim 1, characterized by, The waste residue treatment tank has a cylindrical structure, a feeding pipe is connected to the top of the side wall of the waste residue treatment tank, a discharging pipe is connected to the bottom of the side wall on the side opposite to the feeding pipe, and the feeding pipe and the discharging pipe are in communication with the inside of the waste residue treatment tank.

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