Waste acid recycling device for nitration reaction of sulfentrazone

Abstract

The utility model relates to the technical field of waste acid cyclic utilization, and discloses a waste acid cyclic utilization device for sulfentrazone nitration reaction, which comprises a waste acid cyclic utilization device body, a filtering assembly and a stirring assembly, the waste acid cyclic utilization device body comprises a circulating box, the top of the circulating box is provided with a discharging structure capable of transporting materials, and the top of the circulating box is provided with a stirring assembly. The filtering assembly comprises a material injection opening, a hole is formed in the top of the circulating box, the material injection opening is fixedly installed in the hole in the top of the circulating box, the stirring assembly comprises a stirring tank, and the bottom of the stirring tank is fixedly connected with the bottom of the inner side of the circulating box, so that the purpose of filtering waste acid is achieved, and impurities in the waste acid are filtered and cleaned; the problem that holes of the device are blocked by impurities is solved, the use stability and flexibility of the device are improved, manual cleaning of the device is replaced, the reaction efficiency of the device to chemicals is improved, the working efficiency is improved, the device is stirred and mixed, and the use experience of the device is optimized.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste acid recycling, and specifically relates to a waste acid recycling device for sulfentrazone nitration reaction. Background Art

[0002] The utility model, publication number CN216630774U, discloses a sulfentrazone nitration reaction device, which relates to the technical field of sulfentrazone synthesis. A homogenizer is connected to a first inlet, a second inlet, and a circulation inlet on one side. The outlet on the other side of the homogenizer is connected to the feed inlet of a static mixer via a connecting pipe equipped with a water pump. The static mixer discharge port is connected to the feed inlet of a nitrifying kettle via a pipeline. A circulation outlet is provided on the side of the nitrifying kettle, connecting the circulation outlet and the circulation inlet via a circulation pipeline equipped with a tubular reactor. The circulation pipeline is connected to a feed pipe via a T-joint. The nitrifying kettle is connected to a maturation kettle, and the maturation kettle discharge port is connected to a reaction liquid transfer tank via a pipeline. The advantages of this utility model are: 70% pre-reaction can be achieved before the nitrifying kettle, ensuring a more complete nitration reaction; waste acid from nitration in the nitrifying kettle can be extracted and recycled into the homogenizer, where it can be reused as circulating liquid, reducing production costs.

[0003] However, the above patent still has the following problems: the device does not filter the raw materials during use, impurities will affect the reaction effect during the raw material reaction process, the device has limitations in use, impurities will block the feed hole, affecting the normal use of the device, reducing the reaction efficiency of the device, and the device is inconvenient to use.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0006] A waste acid recycling device for sulfentrazone nitration reaction includes a waste acid recycling device body, a filtering component and a stirring component. The waste acid recycling device body includes a circulation box, the top of the circulation box is provided with a discharge structure for transportable materials, the filtering component includes a material injection port, the top of the circulation box is provided with a hole, the material injection port is fixedly installed in the hole on the top of the circulation box, and the stirring component includes a stirring tank, the bottom of the stirring tank is fixedly connected to the inner bottom of the circulation box.

[0007] As a preferred embodiment of the present invention, the filter assembly also includes a first filter, the first filter is fixedly installed at the bottom of the injection port, the bottom of the first filter is provided with a hole, a group of output pipes are fixedly installed in the hole, and a second filter is fixedly installed at one end of the output pipe.

[0008] As a preferred embodiment of the present invention, a support base is fixedly installed on the inner bottom of the circulation box, a reactor is fixedly installed inside the support base, a connecting pipe is fixedly installed on the outer wall of one side of the second filter, one end of the connecting pipe is fixedly connected to the outer wall of the reactor, the second filter is connected to the interior of the reactor through the connecting pipe, a first motor is fixedly installed on the inner bottom of the circulation box, the output shaft of the first motor is fixedly connected to a rotating rod through a coupling, and one end of the rotating rod extends and is rotatably installed inside the reactor.

[0009] As a preferred embodiment of the present invention, a hole is provided on the top of the reactor, an exhaust port is fixedly installed in the hole, one end of the exhaust port extends and is fixedly installed on the outside of the circulation box, and one end of the exhaust port can be connected to an external exhaust pipe.

[0010] As a preferred embodiment of the present invention, the stirring assembly includes a second motor, which is fixedly mounted on one inner wall of the circulation box. The output shaft of the second motor is fixedly connected to a rotating rod through a coupling. One end of the rotating rod extends and is rotatably mounted inside the stirring tank. Stirring blades are fixedly mounted on the outer wall of the rotating rod, and the number of stirring blades is three groups.

[0011] As a preferred embodiment of the present invention, a slot is provided on the front side of the mixing tank, a filter plate is slidably installed in the slot, a pull rod is fixedly installed on the front side of the filter plate, and a group of holes is provided on the outer wall of one side of the mixing tank, a discharge pipe is fixedly installed in the holes.

[0012] As a preferred embodiment of the present invention, a group of holes are opened on the top of the circulation box, and input pipes are fixedly installed in the holes. Two groups of drug controllers are fixedly installed on the top of the input pipes. A hole is opened on the outer wall of one side of the drug controller, and a feed pipe is fixedly installed in the hole. A drug tank is fixedly installed on one end of the feed pipe. A hole is opened on the top of the drug tank, and a handle is fixedly installed in the hole. The bottom of the input pipe is fixedly connected to the outer wall of the reactor, and the input pipe is connected to the interior of the reactor. Another group of output pipes is fixedly installed on the outer wall of one side of the reactor, and one end of the other group of output pipes is fixedly connected to the outer wall of the other side of the stirring tank.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. Achieve the purpose of filtering waste acid, filter and clean impurities in waste acid, solve the problem of impurities clogging the holes of the device, improve the stability and flexibility of the device, replace manual cleaning of the device, improve the reaction efficiency of the device to the agent, and improve work efficiency.

[0015] 2. Achieve the purpose of stirring and mixing the device so that the waste acid can be recycled after the reaction, improve the stability and safety of the device, and optimize the user experience of the device.

[0016] 3. The device can automatically add the reagents, improve the flexibility of the device, improve the convenience of the device, and reduce the work pressure of the workers.

[0017] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In the attached figure:

[0019] Figure 1 It is a front view of the utility model;

[0020] Figure 2 It is a top view of the utility model;

[0021] Figure 3 It is a left-side perspective view of the present invention;

[0022] Figure 4 It is a right side perspective view of the present invention;

[0023] Figure 5 This is the node diagram of part A of the present utility model.

[0024] In the figure: 10. Waste acid recycling device body; 11. Circulation box; 12. Injection port; 13. First filter; 14. Output pipe; 15. Second filter; 16. Reactor; 17. Support base; 18. First motor; 19. Rotating rod; 20. Exhaust port; 21. Stirring tank; 22. Second motor; 23. Rotating rod; 24. Stirring blade; 25. Filter plate; 26. Pull rod; 27. Discharge pipe; 28. Input pipe; 29. Chemical controller; 30. Chemical tank; 31. Handle. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0026] Example 1: A device for recycling waste acid used in nitration reaction of sulfentrazone, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, it includes a waste acid recycling device body 10, a filtering component and a stirring component. The waste acid recycling device body 10 includes a circulation box 11. The top of the circulation box 11 is provided with a discharge structure for transportable materials. The filtering component includes a material injection port 12. The top of the circulation box 11 is provided with a hole. The material injection port 12 is fixedly installed in the hole at the top of the circulation box 11. The stirring component includes a stirring tank 21. The bottom of the stirring tank 21 is fixedly connected to the inner bottom of the circulation box 11. The filtering component also includes a first filter 13. The bottom of the material injection port 12 is fixedly installed with the first filter 13. The bottom of the first filter 13 is provided with a hole. A group of output pipes 14 are fixedly installed, and a second filter 15 is fixedly installed at one end of the output pipe 14. A support base 17 is fixedly installed on the inner bottom of the circulation box 11, and a reactor 16 is fixedly installed inside the support base 17. A connecting pipe is fixedly installed on the outer wall of one side of the second filter 15, and one end of the connecting pipe is fixedly connected to the outer wall of the reactor 16. The second filter 15 is connected to the interior of the reactor 16 through the connecting pipe. A first motor 18 is fixedly installed on the inner bottom of the circulation box 11, and the output shaft of the first motor 18 is fixedly connected to a rotating rod 19 through a coupling. One end of the rotating rod 19 extends and is rotatably installed inside the reactor 16.

[0027] The waste acid is injected into the first filter 13 through the injection port 12 for preliminary filtration, and the large particles of impurities in the waste acid are cleaned through the output pipe 14 and the second filter 15. The waste acid is poured into the reactor 16 through the connecting pipe. The first motor 18 is started to drive the rotating rod 19 to rotate inside the reactor 16 to stir and filter the waste acid. The waste acid is discharged into the stirring tank 21 through another set of output pipes 14.

[0028] Through the structure of the circulation box 11, the injection port 12, the first filter 13, the output pipe 14, the second filter 15, the reactor 16, the support base 17, the first motor 18, and the rotating rod 19, the purpose of filtering the waste acid is achieved, the impurities in the waste acid are filtered and cleaned, and the problem of impurities clogging the holes of the device is solved, the stability and flexibility of the device are improved, and manual cleaning of the device is replaced, the reaction efficiency of the device to the reagent is improved, and the work efficiency is improved.

[0029] Example 2: Based on Example 1, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, a hole is provided on the top of the reactor 16, and an exhaust port 20 is fixedly installed in the hole. One end of the exhaust port 20 extends and is fixedly installed on the outside of the circulation box 11. One end of the exhaust port 20 can be connected to an exhaust pipe. The stirring assembly includes a second motor 22. The second motor 22 is fixedly installed on the inner wall of one side of the circulation box 11. The output shaft of the second motor 22 is fixedly connected to a rotary rod 23 through a coupling. One end of the rotary rod 23 extends and is rotatably installed inside the stirring tank 21. A stirring blade 24 is fixedly installed on the outer wall of the rotary rod 23. The number of stirring blades 24 is three groups.

[0030] Start the second motor 22 to drive the rotary rod 23 to rotate inside the stirring tank 21, stir the filtered and mixed waste acid to make it react, collect the waste acid after the reaction through the discharge pipe 27, filter the remaining impurities through the filter plate 25, pull the pull rod 26 to remove the filter plate 25 from the bottom of the stirring tank 21, clean the impurities, and discharge the exhaust gas inside the device through the exhaust port 20.

[0031] Through the structure of the exhaust port 20, the stirring tank 21, the second motor 22, the rotary rod 23, the stirring blade 24, the filter plate 25, the pull rod 26 and the discharge pipe 27, the device is stirred and mixed to achieve the purpose of recycling the waste acid after the reaction, thereby improving the stability and safety of the device and optimizing the user experience of the device.

[0032] Example 3: Based on Example 1 and Example 2, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, a slot is provided on the front side of the mixing tank 21, in which a filter plate 25 is slidably installed, and a pull rod 26 is fixedly installed on the front side of the filter plate 25. A group of holes is provided on the outer wall of one side of the mixing tank 21, and a discharge pipe 27 is fixedly installed in the holes. A group of holes is provided on the top of the circulation box 11, in which an input pipe 28 is fixedly installed, and two groups of drug controllers 29 are fixedly installed on the top of the input pipe 28. A hole is provided on the outer wall of one side of the drug controller 29, and a feed pipe is fixedly installed in the hole. A drug tank 30 is fixedly installed on one end of the feed pipe. A hole is provided on the top of the drug tank 30, and a pull handle 31 is fixedly installed in the hole. The bottom of the input pipe 28 is fixedly connected to the outer wall of the reactor 16, and the input pipe 28 passes through the interior of the reactor 16. Another group of output pipes 14 is fixedly installed on the outer wall of one side of the reactor 16, and one end of the other group of output pipes 14 is fixedly connected to the outer wall of the other side of the mixing tank 21.

[0033] Pull the handle 31 to open the top of the medicine tank 30 to fill the inside with medicine. Add the reactant to the inside of the reactor 16 through the two groups of medicine tanks 30. The amount of medicine is controlled by the medicine controller 29, and the medicine is added to the inside of the reactor 16 through the input pipe 28.

[0034] Through the structure of the input tube 28, the medicine controller 29, the medicine tank 30 and the pull handle 31, the device can automatically add medicine, thereby improving the flexibility and convenience of the device and reducing the work pressure of workers.

[0035] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A waste acid recycling device for nitration reaction of sulfentrazone, comprising a waste acid recycling device body (10), a filtering component and a stirring component, characterized in that: The waste acid recycling device body (10) includes a circulation box (11), a discharge structure for transportable materials is provided on the top of the circulation box (11), a filter assembly includes a material injection port (12), a hole is provided on the top of the circulation box (11), and the material injection port (12) is fixedly installed in the hole on the top of the circulation box (11), and a stirring assembly includes a stirring tank (21), and the bottom of the stirring tank (21) is fixedly connected to the inner bottom of the circulation box (11).

2. The waste acid recycling device for sulfentrazone nitration reaction according to claim 1, characterized in that: The filter assembly further comprises a first filter (13), the first filter (13) being fixedly mounted at the bottom of the injection port (12), a hole being provided at the bottom of the first filter (13), a group of output pipes (14) being fixedly mounted in the hole, and a second filter (15) being fixedly mounted at one end of the output pipe (14).

3. The waste acid recycling device for sulfentrazone nitration reaction according to claim 2, characterized in that: A support base (17) is fixedly installed on the inner bottom of the circulation box (11), a reactor (16) is fixedly installed inside the support base (17), a connecting pipe is fixedly installed on the outer wall of one side of the second filter (15), one end of the connecting pipe is fixedly connected to the outer wall of the reactor (16), the second filter (15) is connected to the interior of the reactor (16) through the connecting pipe, a first motor (18) is fixedly installed on the inner bottom of the circulation box (11), the output shaft of the first motor (18) is fixedly connected to a rotating rod (19) through a coupling, and one end of the rotating rod (19) extends and is rotatably installed inside the reactor (16).

4. The device for recycling waste acid from sulfentrazone nitration reaction according to claim 3, characterized in that: A hole is provided on the top of the reactor (16), and an exhaust port (20) is fixedly installed in the hole. One end of the exhaust port (20) extends and is fixedly installed outside the circulation box (11), and one end of the exhaust port (20) can be connected to an external exhaust pipe.

5. The waste acid recycling device for sulfentrazone nitration reaction according to claim 1, characterized in that: The stirring assembly comprises a second motor (22), the second motor (22) being fixedly mounted on an inner wall of one side of the circulation box (11), the output shaft of the second motor (22) being fixedly connected to a rotary rod (23) via a coupling, one end of the rotary rod (23) extending and rotatably mounted inside the stirring tank (21), and stirring blades (24) being fixedly mounted on the outer wall of the rotary rod (23), the number of the stirring blades (24) being three groups.

6. The device for recycling waste acid from sulfentrazone nitration reaction according to claim 5, characterized in that: A slot is provided on the front side of the mixing tank (21), a filter plate (25) is slidably installed in the slot, a pull rod (26) is fixedly installed on the front side of the filter plate (25), and a group of holes is provided on the outer wall of one side of the mixing tank (21), a discharge pipe (27) is fixedly installed in the holes.

7. The device for recycling waste acid used in the nitration reaction of sulfentrazone according to claim 3, characterized in that: A group of holes are provided on the top of the circulation box (11), and an input pipe (28) is fixedly installed in the hole. Two groups of drug controllers (29) are fixedly installed on the top of the input pipe (28). A hole is provided on the outer wall of one side of the drug controller (29), and a feed pipe is fixedly installed in the hole. A drug tank (30) is fixedly installed at one end of the feed pipe. A hole is provided on the top of the drug tank (30), and a handle (31) is fixedly installed in the hole. The bottom of the input pipe (28) is fixedly connected to the outer wall of the reactor (16), and the input pipe (28) is connected to the interior of the reactor (16). Another group of output pipes (14) is fixedly installed on the outer wall of one side of the reactor (16), and one end of the other group of output pipes (14) is fixedly connected to the outer wall of the other side of the stirring tank (21).

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