Tebuconazole mother liquor recovery device

Abstract

The utility model relates to the technical field of tebuconazole mother liquor recovery, and solves the problems that substances in wastewater are easy to block a screening and filtering device and are gathered on a single screening and filtering plate, so that the passing efficiency is reduced. The tebuconazole mother liquor recovery device comprises a recovery tank, an input port for injecting recovered mother liquor into the recovery tank is formed in the recovery tank, an output port for outputting the mother liquor outwards is formed in the bottom of the recovery tank, and a rotary screening and filtering structure is installed in the portion, between the output port and the input port, of the recovery tank. The screening structure comprises a driving sleeve mounted on the recovery tank structure body, a first driving shaft rod is mounted at the lower end of the driving sleeve, the driving shaft rod is hollow, a second driving shaft rod is rotatably mounted in the driving shaft rod, a first screening disc is mounted on the end face of the first driving shaft rod, and the second driving shaft rod penetrates through the first screening disc and extends downwards; a second screening and filtering disc is installed on the end face of the second driving shaft rod, and the first screening and filtering disc rotates relative to the second screening and filtering disc.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tebuconazole mother liquor recovery, specifically to a tebuconazole mother liquor recovery device. BACKGROUND

[0002] The synthesis of tebuconazole currently uses p-chloromethyl formadehyde as a starting material, and is prepared through aldehyde ketone condensation, catalytic hydrogenation, epoxidation reaction, addition reaction and other steps. Therefore, in the production process of tebuconazole, wastewater containing n-butanol, pyrrolidone, p-chlorobenzene formaldehyde, pinacolone, tebuconazole and sulfide will be produced. Since the above pollutants have high solubility in wastewater and have a large toxic effect on microorganisms, they are high-concentration and difficult-to-degrade pesticide wastewater. If they are directly discharged without treatment, they will have a serious impact on the environment and human health.

[0003] In the process of treating tebuconazole wastewater, substances need to be added for reaction to make some substances in the wastewater coagulate. The recovery device needs to filter the coagulated substances. However, the substances in the wastewater are prone to block the sieve filter device and gather in a single sieve filter plate, reducing the passing efficiency. UTILITY MODEL CONTENT

[0004] To overcome the shortcomings of the prior art, the utility model provides a tebuconazole mother liquor recovery device, which solves the problem that substances in wastewater are prone to block the sieve filter device and gather in a single sieve filter plate, reducing the passing efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tebuconazole mother liquor recovery device, comprising a recovery tank, an input port for injecting recovery mother liquor into the inside of the recovery tank is formed on the recovery tank, an output port for outputting the mother liquor to the outside is formed at the bottom of the recovery tank, and a rotating sieve filter structure is installed between the output port and the input port in the recovery tank;

[0006] The sieve filter structure comprises a driving sleeve installed on the recovery tank structure, a driving shaft rod one is installed at the lower end of the driving sleeve, a driving shaft rod two is installed inside and rotates in a hollow manner, a first sieve filter disc is installed on the end face of the driving shaft rod one, the driving shaft rod two penetrates the first sieve filter disc and extends downward, a second sieve filter disc is installed on the end face of the driving shaft rod two, the first sieve filter disc rotates relative to the second sieve filter disc, and a plurality of stirring rods are installed on the first sieve filter disc.

[0007] In one of the embodiments, the first sieve filter disc comprises a disc body, an outer ring sieve filter groove and an inner ring sieve filter groove formed on the disc body, sieve filter openings with the same diameter are formed in the inner ring sieve filter groove and the outer ring sieve filter groove, the inner ring sieve filter groove is in a conical shape, and the outer ring sieve filter groove gradually deepens along its diameter;

[0008] The diameter of the driving shaft rod one is greater than the opening diameter of the sieve filter opening;

[0009] The second sieve tray is provided with a plurality of sieve holes with diameters smaller than the sieve opening, and the second sieve tray is provided with a conical guide groove from outside to inside.

[0010] In one of the embodiments, the lower end of the second sieve tray is provided with a third sieve tray with the same diameter as the second sieve tray, and a plurality of cleaning brush hairs acting on the sieve holes are installed on the third sieve tray.

[0011] In one of the embodiments, a pad is installed on the bottom surface of the recovery tank, the pad is provided in a conical shape, an output port is provided on the pad and extends outside the recovery tank through the recovery tank structure, and a guide plate is installed on the side wall of the recovery tank at the installation position of the pad.

[0012] In one of the embodiments, the guide plate is provided in a triangular shape and in a ring shape, and the upper end of the guide plate has a diameter larger than the diameters of the plurality of output ports.

[0013] In one of the embodiments, the top surface of the guide plate is provided in an inclined shape, a driving shaft three is installed upward at the center position of the pad, the driving shaft three is connected with the third sieve tray, and a driving motor is installed at the bottom of the driving shaft three and placed inside the pad.

[0014] Compared with the prior art, the pentazocine mother liquor recovery device has the following beneficial effects:

[0015] In the technical scheme disclosed in the utility model, the relative arrangement of the first sieve tray and the second sieve tray first determines that the first sieve tray produces mixing and stirring to the recovery mother liquor entering the recovery tank, promotes the condensation efficiency of the material, thereby producing a sieving effect on the recovery mother liquor, and then after the sieving of the first sieve tray, the recovery mother liquor enters the second sieve tray for sieving, and the guide and diffusion effects of the first sieve tray effectively enhance the filtering effect of the recovery mother liquor.

[0016] In the utility model, the outer ring sieve groove and the inner ring sieve groove are provided on the first sieve tray, the opening angles of the inner ring sieve groove and the outer ring sieve groove are different, the inner ring sieve groove produces a convergence effect towards the center, in addition, the outer ring sieve groove produces a diffusion effect of the recovery mother liquor outward, reduces the convergence of the recovery mother liquor on the first sieve tray, and the two output ports of the inner ring sieve groove and the inner ring sieve groove convey to the second sieve tray, thereby increasing the conveying effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0018] Fig. 1 It is the whole structure schematic view of the utility model;

[0019] Fig. 2 It is the half cut internal structure schematic view of the utility model recovery tank;

[0020] Fig. 3 It is the first screen filter disc structure schematic view of the utility model.

[0021] In the figure: 1, recovery tank;2, input port;3, output port;4, screen filter structure;41, drive sleeve;42, drive shaft rod one;43, drive shaft rod two;44, first screen filter disc;441, disc body;442, outer ring screen filter groove;443, inner ring screen filter groove;444, screen filter port;45, second screen filter disc;46, stirring rod;47, screen filter hole;48, conical guide groove;49, drive shaft rod three;410, third screen filter disc;411, cleaning brush hair;412, liquid outlet;5, pad;6, guide plate. DETAILED DESCRIPTION

[0022] The embodiments of the present application will be described in detail below with the accompanying drawings and examples, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

[0023] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model.

[0024] Figs. 1-3For an embodiment of the utility model, the specific problem of the embodiment is that: in the production process of tebuconazole, substances such as n-butanol, pyrrolidone, p-chlorobenzaldehyde, pinacolone, tebuconazole and sulfide are produced, in the tebuconazole wastewater treatment process, the above content substances need to be reacted by adding substances, so that some substances in the wastewater are condensed, the condensate needs to be filtered by the recovery device, but the substances in the wastewater are easy to block the screening device and gather in the single screening plate, and the passing efficiency is reduced. Based on the above, the scheme describes a tebuconazole mother liquor recovery device, by the relative arrangement of the first screening disc 44 and the second screening disc 45, the condensation efficiency of the first screening disc 44 to the recovery mother liquor production mixing entering the recovery tank 1 is first determined, the condensation efficiency of the substances is promoted, thereby, the screening effect of the recovery mother liquor is generated, and then, after the screening of the first screening disc 44, the recovery mother liquor enters the second screening disc 45 to be screened, and the filtering effect of the recovery mother liquor is effectively enhanced based on the guiding and diffusion effect of the first screening disc 44.

[0025] A tebuconazole mother liquor recovery device, comprising a recovery tank 1, the recovery tank 1 is provided with an input port 2 for injecting recovery mother liquor into the inside, the recovery tank 1 is provided with an output port 3 for outputting mother liquor to the outside at the bottom, a rotating screening structure 4 is installed in the recovery tank 1 between the output port 3 and the input port 2, after the condensate produced by the condensation substance added through the input port 2 reacts with the recovery mother liquor, the mother liquor and the condensate produce a screening effect after passing through the screening structure 4.

[0026] The screen structure 4 comprises a driving sleeve 41 installed on the structure of the recovery tank 1, a driving shaft 42 is installed at the lower end of the driving sleeve 41, a stepping motor is installed inside the driving sleeve 41 and connected with the driving shaft 42, the driving shaft 42 is driven to rotate by the stepping motor, a driving shaft 43 is installed inside the hollow driving shaft 42 and rotates, the driving shaft 43 keeps relatively static during the rotation of the driving shaft 42, a first screen disc 44 is installed on the end surface of the driving shaft 42, the driving shaft 43 penetrates the first screen disc 44 and extends downward, a second screen disc 45 is installed on the end surface of the driving shaft 43, in order to increase the relative stability of the driving shaft 43 during the rotation of the driving shaft 42, a plurality of convex columns are installed on the disc body 441 of the second screen disc 45, grooves are formed on the side wall of the recovery tank 1, the convex columns are connected in the grooves, the first screen disc 44 rotates relative to the second screen disc 45, a plurality of stirring rods 46 are installed on the first screen disc 44, the first screen disc 44 comprises a disc body 441, an outer ring screen groove 442 and an inner ring screen groove 443 formed on the disc body 441, screen openings 444 with the same diameter are formed in the inner ring screen groove 443 and the outer ring screen groove 442, the diameter of the driving shaft 42 is larger than the diameter of the screen openings 444, the inner ring screen groove 443 is in a conical shape, the depth of the outer ring screen groove 442 gradually increases along the diameter, the inner ring screen groove 443 and the outer ring screen groove 442 are set to have different angles, the inner ring screen groove 443 has a converging effect towards the center, in addition, the outer ring screen groove 442 has a diffusion effect of the recovered mother liquor, which reduces the convergence of the recovered mother liquor on the first screen disc 44, the two output openings 3 of the inner ring screen groove 443 and the inner ring screen groove 443 deliver to the second screen disc 45, which increases the delivery effect. In the initial state, the stepping motor controls the rotation of the driving shaft 42, the stirring rods rotate with the disc body 441, which increases the mixing effect of the condensed material and the recovered mother liquor, in addition, the screen openings 444 intermittently communicate with the screen holes 47 during the rotation of the disc body 441, which only produces indirect output of the recovered mother liquor to the second screen disc 45, thereby reducing the delivery rate of the recovered mother liquor to the second screen disc 45 during the stirring process, and after the stepping motor stops driving the driving shaft 42, the initial state is restored, that is, the communication state of the screen openings 444 and the screen holes 47, so that the recovered mother liquor after stirring is delivered to the second screen disc 45 after being screened by the first screen disc 44.

[0027] The second screen filter disc 45 is provided with a plurality of screen filter holes 47 with diameters smaller than the screen filter port 444, and is provided with a conical guide groove 48 from outside to inside, the driving shaft rod two 43 is installed at the center of the second screen filter disc 45, the second screen filter disc 45 receives the recovered mother liquor of the inner ring screen filter groove 443 and the outer ring screen filter groove 442, the conical guide groove 48 can increase the screen filtering path of the recovered mother liquor and improve the screen filtering effect of the recovered mother liquor. The lower end of the second screen filter disc 45 is provided with a third screen filter disc 410 with the same diameter as the second screen filter disc 45, a plurality of cleaning brush hairs 411 acting on the screen filter holes 47 are installed on the third screen filter disc 410, and a lower liquid hole 412 with a diameter smaller than the screen filter hole 47 is arranged between adjacent cleaning brush hairs 411. A base plate 5 is installed on the bottom surface of the recovery tank 1, the base plate 5 is provided in a conical shape, a driving shaft rod three 49 extending upward is installed at the center of the base plate 5, the driving shaft rod three 49 is connected with the third screen filter disc 410, and a driving motor is installed at the bottom of the driving shaft rod three 49 and placed in the base plate 5. The driving motor drives the driving shaft rod three 49 to rotate the third screen filter disc 410, and the cleaning brush hairs 411 installed on the third screen filter disc 410 can drag the condensate blocked in the lower liquid hole 412 out, thereby effectively cleaning the inside of the lower liquid hole 412 and avoiding the loss of function of the lower liquid hole 412 caused by the blocking of the condensate.

[0028] The output port 3 is arranged on the base plate 5 and extends outside the recovery tank 1 through the recovery tank 1 structure, a guide plate 6 is installed on the side wall of the recovery tank 1 at the installation position of the base plate 5, the cross section of the guide plate 6 is triangular, and the guide plate 6 is arranged in a ring shape, and the diameter of the upper end of the guide plate 6 is greater than the diameter of the output port 3. The top surface of the guide plate 6 is inclined, the guide plate 6 can guide the recovered mother liquor to the output port 3, and the guide plate 6 can also help to increase the height of the recovered mother liquor and improve the output efficiency of the recovered mother liquor from the output port 3.

[0029] The control mode of the utility model is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the power supply also belongs to the public knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and circuit connection of the utility model will not be explained in detail.

[0030] It should be noted that in this paper, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tebuconazole mother liquor recovery apparatus comprising a recovery tank (1), characterized in that: The recovery tank (1) is provided with an input port (2) for injecting the recovery mother liquor into the tank, and an output port (3) for outputting the mother liquor from the bottom of the tank, and a rotating screen filter structure (4) is installed between the input port (2) and the output port (3) in the tank (1). The screen filter structure (4) comprises a driving sleeve (41) installed on the structure of the recovery tank (1), a driving shaft rod one (42) installed at the lower end of the driving sleeve (41), a driving shaft rod two (43) installed in the hollow driving shaft rod one (42) and rotating therein, a first screen filter disc (44) installed on the end face of the driving shaft rod one (42), the driving shaft rod two (43) penetrating through the first screen filter disc (44) and extending downward, a second screen filter disc (45) installed on the end face of the driving shaft rod two (43), the first screen filter disc (44) rotating relative to the second screen filter disc (45), and a plurality of stirring rods (46) installed on the first screen filter disc (44).

2. A tebuconazole stock solution recovery apparatus according to claim 1, characterized in that: The first screen filter disc (44) comprises a disc body (441), an outer ring screen filter groove (442) and an inner ring screen filter groove (443) formed on the disc body (441), and a plurality of screen filter openings (444) with the same diameter are formed in the inner ring screen filter groove (443) and the outer ring screen filter groove (442), the inner ring screen filter groove (443) is in a conical shape, and the depth of the outer ring screen filter groove (442) gradually increases along its diameter. The diameter of the driving shaft rod one (42) is greater than the diameter of the screen filter opening (444). A plurality of screen filter holes (47) with a smaller diameter than the screen filter opening (444) are formed on the second screen filter disc (45), a conical guide groove (48) is formed from the outside to the inside of the second screen filter disc (45), and the driving shaft rod two (43) is installed at the center of the second screen filter disc (45).

3. A tebuconazole stock solution recovery apparatus according to claim 2, characterised in that: A third screen filter disc (410) with the same diameter as the second screen filter disc (45) is arranged at the lower end of the second screen filter disc (45), a plurality of cleaning bristles (411) acting on the screen filter holes (47) are installed on the third screen filter disc (410), and a liquid outlet hole (412) with a smaller diameter than the screen filter hole (47) is formed between adjacent cleaning bristles (411).

4. The tebuconazole stock solution recovery apparatus of claim 1, wherein: A base plate (5) is installed on the bottom surface of the recovery tank (1), the base plate (5) is in a conical shape, the output port (3) is formed on the base plate (5) and extends through the structure of the recovery tank (1) to the outside of the recovery tank (1), and a guide plate (6) is installed on the side wall of the recovery tank (1) at the installation position of the base plate (5).

5. A tebuconazole stock solution recovery apparatus according to claim 4, wherein: The cross section of the guide plate (6) is triangular and annular, and the diameter of the upper port of the guide plate (6) is greater than the diameter of the output port (3).

6. A tebuconazole stock solution recovery apparatus according to claim 5, wherein: The top surface of the guide plate (6) is inclined, a driving shaft rod three (49) is installed upward at the center of the base plate (5), the driving shaft rod three (49) is connected with the third screen filter disc (410), and a driving motor is installed at the bottom of the driving shaft rod three (49) and placed inside the base plate (5).

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