Kettle washing device for phosphorus trichloride production

Abstract

The utility model relates to the technical field of phosphorus trichloride production, and discloses a kettle washing device for phosphorus trichloride production, which comprises a reaction kettle main body, the reaction kettle main body comprises a shell, the inner wall of the shell is fixedly connected with an inner container, the arrangement of the reaction kettle main body can isolate internal and external environments and protect workers, and a heating oil cavity is arranged between the shell and the inner container. A heating wire is arranged in the heating oil cavity, and the heating oil cavity and the heating wire are arranged, so that a relatively high temperature can be provided for kettle washing, and the kettle washing effect is improved. The reaction kettle disclosed by the utility model has the following advantages and effects that through the arrangement of the reaction kettle main body, the cleaning stirrer and the cleaning liquid inlet end, a worker firstly starts the pump communicated with the cleaning liquid inlet end to inject cleaning liquid into the reaction kettle main body, and starts the motor to enable the scraper, the brush and the cleaning brush on the cleaning stirrer to clean the interior of the reaction kettle main body; the kettle washing can be completed by matching with cleaning liquid, and the effects of simple structure and convenience in operation are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of phosphorus trichloride production, in particular to a kettle washing device for phosphorus trichloride production. Background Art

[0002] Phosphorus trichloride is an important pharmaceutical and chemical raw material. In the pesticide industry, it can be used to manufacture organophosphorus pesticides such as trichlorfon, methamidophos, acephate, and blasticide. In the pharmaceutical industry, it can be used to produce sulfadiazine and sulfamethoxazole. In the fuel industry, it can be used as a condensation agent for phenols. In the current industry, phosphorus trichloride is synthesized by passing dry chlorine gas into a mixed solution of phosphorus and phosphorus chloride, and then distilling and refining it. The phosphorus used in the reaction is an extremely dangerous material. It will spontaneously combust and explode when exposed to air, posing a serious safety hazard.

[0003] According to Chinese patent number CN204550061U, a kettle washing device for a phosphorus trichloride production process is provided, comprising a phosphorus trichloride reactor body, a reactor jacket provided on the outer wall of the phosphorus trichloride reactor body, a gas compressor, a hot water storage tank, and a nitrogen storage tank connected to the phosphorus trichloride reactor body provided on the upper portion of the phosphorus trichloride reactor body; a material output pipeline provided on the top of the phosphorus trichloride reactor body; a curved phosphorus extraction conduit provided inside the phosphorus trichloride reactor body, the curved phosphorus extraction conduit connected to a phosphorus washing liquid delivery pipeline, the phosphorus washing liquid delivery pipeline connected to a siphon-equipped mortar pump, and the siphon-equipped mortar pump connected to a secondary sedimentation phosphorus washing wastewater tank via a phosphorus washing liquid delivery pipeline. The utility model utilizes the principle of siphoning to effectively remove residual phosphorus in the reactor, making phosphorus cleaning more thorough, more efficient, and with a higher safety factor, eliminating safety hazards.

[0004] The above patent has a good cleaning effect, but the device is relatively complicated and troublesome to use. Utility Model Content

[0005] The utility model aims to provide a kettle washing device for phosphorus trichloride production, which has the effect of simple structure.

[0006] The above technical objectives of the present utility model are achieved through the following technical solutions: a kettle washing device for phosphorus trichloride production, comprising a reactor body, a support plate fixedly connected to the lower side of the lower outer surface of the reactor body, an electric telescopic rod fixedly connected to one side of the reactor body, a kettle cover fixedly connected to the upper surface of the electric telescopic rod, a feed port fixedly connected to one side of the upper surface of the kettle cover, an exhaust port fixedly connected to the upper surface of the kettle cover, a motor fixedly connected to the middle of the upper surface of the kettle cover, a cleaning agitator fixedly connected to the output end of the motor, a scraper fixedly connected to one side of the cleaning agitator, a brush fixedly connected to the other side of the cleaning agitator, a cleaning brush fixedly connected to the bottom of the cleaning agitator, a cleaning liquid inlet port provided at the rear of the motor, and a valve fixedly connected to the bottom of the reactor body.

[0007] By adopting the above technical solution, through the setting of the reactor body, the cleaning agitator and the cleaning liquid inlet end, the staff first starts the pump connected to the cleaning liquid inlet end to inject the cleaning liquid into the reactor body, and starts the motor to make the scraper, brush and cleaning brush on the cleaning agitator clean the inside of the reactor body. The cleaning of the reactor can be completed in cooperation with the cleaning liquid, achieving the effect of simple structure and convenient operation.

[0008] The present invention is further configured as follows: the reactor body comprises an outer shell, and an inner liner is fixedly connected to the inner wall of the outer shell.

[0009] By adopting the above technical solution, the setting of the reactor body can isolate the internal and external environments and protect the staff.

[0010] The present invention is further configured as follows: a heating oil cavity is provided between the outer shell and the inner container, and a heating wire is provided inside the heating oil cavity.

[0011] By adopting the above technical solution, the arrangement of the heating oil chamber and the heating wire can provide a higher temperature for the kettle washing, thereby improving the kettle washing effect.

[0012] The present invention is further configured as follows: a support leg is fixedly connected to the lower surface of the support plate, and a support foot is threadedly connected to the lower surface of the support leg.

[0013] By adopting the above technical solution, the arrangement of the supporting legs and supporting feet can provide a certain height support and fine-tuning effect for the device, making the device more stable.

[0014] The present invention is further configured as follows: the number of the support legs is four, and the four support legs are fixedly connected to the lower surface of the support plate in the form of a rectangular array.

[0015] By adopting the above technical solution, the arrangement of four supporting legs can provide multi-point support for the device, making the device more stable.

[0016] The present invention is further configured as follows: a sealing cover is fixedly connected to the upper surface of the feed port, and a lower surface of the electric telescopic rod is fixedly connected to the upper surface of the support plate.

[0017] By adopting the above technical solution, the setting of the sealing cover can provide a relative sealing effect when washing the kettle, ensuring the cleanliness of the kettle. The setting of the electric telescopic rod makes the connection of the electric telescopic rod tighter, preventing the device from falling apart.

[0018] The present invention is further configured as follows: an exhaust hose is fixedly connected to the upper surface of the exhaust port, one end of the exhaust hose is fixedly connected to a gas treatment box, and an alkaline solution is provided inside the gas treatment box.

[0019] By adopting the above technical solution, the arrangement of the exhaust hose and the gas treatment box can react the exhausted hydrogen chloride gas to prevent harm to the workers.

[0020] The present invention is further configured as follows: the cleaning stirrer comprises a stirring shaft, and a stirring frame is fixedly connected to the bottom of the stirring shaft.

[0021] By adopting the above technical solution, the arrangement of the cleaning agitator can facilitate the installation of the cleaning components under the original stirring effect, thereby improving the scope of use of the device.

[0022] The present invention is further configured as follows: one end of the cleaning liquid inlet end is fixedly connected to a pump, and the lower surface of the pump is fixedly connected to a cleaning liquid storage barrel.

[0023] By adopting the above technical solution, the provision of the pump and the cleaning liquid storage barrel can facilitate the entry of the cleaning liquid into the device, thereby improving convenience.

[0024] The utility model is further configured as follows: one end of the valve is fixedly connected to a waste liquid collection bucket.

[0025] By adopting the above technical solution, the waste liquid collection barrel can be set to collect waste liquid, which is convenient for subsequent unified treatment.

[0026] The beneficial effects of the utility model are as follows: through the arrangement of the reactor body, the cleaning stirrer and the cleaning liquid inlet end, the staff first starts the pump connected to the cleaning liquid inlet end to inject the cleaning liquid into the reactor body, and starts the motor to make the scraper, brush and cleaning brush on the cleaning stirrer clean the inside of the reactor body, and the reactor can be cleaned in cooperation with the cleaning liquid, thereby achieving the effect of simple structure and convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0028] Figure 1 This is a schematic diagram of the shaft side structure of the utility model;

[0029] Figure 2 This is a schematic diagram of the cross-sectional structure of the reactor body of the utility model;

[0030] Figure 3 This is a schematic diagram of the cross-sectional structure of the gas processing box of the utility model;

[0031] Figure 4 This is a schematic diagram of the structure of the cleaning agitator of the present utility model.

[0032] In the figure, 1. reactor body; 2. support plate; 3. electric telescopic rod; 4. reactor cover; 5. feed port; 6. exhaust port; 7. motor; 8. cleaning agitator; 9. scraper; 10. brush; 11. cleaning brush; 12. cleaning liquid inlet port; 13. valve; 14. heating oil chamber; 15. heating wire; 16. support leg; 17. support foot; 18. sealing cover; 19. exhaust hose; 20. gas treatment box; 21. pump; 22. cleaning liquid storage barrel; 23. waste liquid collection barrel; 101. outer shell; 102. liner; 801. stirring shaft; 802. stirring frame. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0034] Reference Figure 1-4A device for washing a kettle for producing phosphorus trichloride includes a reactor body 1, the reactor body 1 including an outer shell 101, an inner liner 102 fixedly connected to the inner wall of the outer shell 101, the arrangement of the reactor body can isolate the internal and external environments and protect the staff, a heating oil chamber 14 is provided between the outer shell 101 and the inner liner 102, a heating wire 15 is provided inside the heating oil chamber 14, the arrangement of the heating oil chamber and the heating wire can provide a higher temperature for washing the kettle and improve the washing effect, a support plate 2 is fixedly connected to the lower surface of the lower outer surface of the reactor body 1, a support leg 16 is fixedly connected to the lower surface of the support plate 2, and a support foot 17 is threadedly connected to the lower surface of the support leg 16. The arrangement of the support leg and the support foot can provide a certain temperature for the device. The height support and fine-tuning effect make the device more stable. There are four supporting legs 16, and the four supporting legs 16 are fixedly connected to the lower surface of the support plate 2 in the form of a rectangular array. The arrangement of the four supporting legs can provide multi-point support for the device, making the device more stable. One side of the reactor body 1 is fixedly connected to the electric telescopic rod 3, and the upper surface of the electric telescopic rod 3 is fixedly connected to the reactor cover 4. One side of the upper surface of the reactor cover 4 is fixedly connected to the feed port 5, and the upper surface of the feed port 5 is fixedly connected to the sealing cover 18. The lower surface of the electric telescopic rod 3 is fixedly connected to the upper surface of the support plate 2. The arrangement of the sealing cover can provide a relatively sealed effect when washing the reactor, thereby ensuring the cleanliness of the reactor. The arrangement of the electric telescopic rod makes The connectivity of the electric telescopic rod is tighter to prevent the device from falling apart. The upper surface of the kettle cover 4 is fixedly connected with an exhaust port 6, and the upper surface of the exhaust port 6 is fixedly connected with an exhaust hose 19. One end of the exhaust hose 19 is fixedly connected with a gas treatment box 20. An alkaline solution is provided inside the gas treatment box 20. The setting of the exhaust hose and the gas treatment box can react the discharged hydrogen chloride gas to prevent harm to the staff. The middle part of the upper surface of the kettle cover 4 is fixedly connected with a motor 7, and the output end of the motor 7 is fixedly connected with a cleaning stirrer 8. The cleaning stirrer 8 includes a stirring shaft 801, and the bottom of the stirring shaft 801 is fixedly connected with a stirring frame 802. The setting of the cleaning stirrer can be under the original stirring action , it is convenient to install the cleaning components and improve the use range of the device. A scraper 9 is fixedly connected to one side of the cleaning stirrer 8, a brush 10 is fixedly connected to the other side of the cleaning stirrer 8, a cleaning brush 11 is fixedly connected to the bottom of the cleaning stirrer 8, a cleaning liquid inlet end 12 is provided behind the motor 7, one end of the cleaning liquid inlet end 12 is fixedly connected to a pump 21, and a cleaning liquid storage barrel 22 is fixedly connected to the lower surface of the pump 21. The setting of the pump and the cleaning liquid storage barrel can promote the entry of the cleaning liquid into the device and improve convenience. A valve 13 is fixedly connected to the bottom of the reactor body 1, and one end of the valve 13 is fixedly connected to a waste liquid collection barrel 23. The setting of the waste liquid collection barrel can collect waste liquid, which is convenient for subsequent unified treatment.

[0035] In the present utility model, the staff first starts the pump 21 connected to the cleaning liquid inlet end 12 to inject the cleaning liquid into the interior of the reactor body 1, and starts the motor 7 to clean the scraper 9 on the agitator 8. The brush 10 and the cleaning brush 11 clean the interior of the reactor body 1. The cleaning liquid can be used to complete the cleaning of the reactor, achieving a simple structure. The discharged gas is neutralized and reacted by the gas treatment box 20, and the waste liquid is passed into the waste liquid collection barrel 23 for unified treatment, thereby improving environmental protection performance.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reactor washing device for phosphorus trichloride production, comprising a reactor body (1), characterized in that: A support plate (2) is fixedly connected below the lower outer surface of the reactor body (1); an electric telescopic rod (3) is fixedly connected to one side of the reactor body (1); a reactor cover (4) is fixedly connected to the upper surface of the electric telescopic rod (3); a feed port (5) is fixedly connected to one side of the upper surface of the reactor cover (4); an exhaust port (6) is fixedly connected to the upper surface of the reactor cover (4); a motor (7) is fixedly connected to the middle of the upper surface of the reactor cover (4); an output end of the motor (7) is fixedly connected to a cleaning stirrer (8); a scraper (9) is fixedly connected to one side of the cleaning stirrer (8); a brush (10) is fixedly connected to the other side of the cleaning stirrer (8); a cleaning brush (11) is fixedly connected to the bottom of the cleaning stirrer (8); a cleaning liquid inlet (12) is provided at the rear of the motor (7); and a valve (13) is fixedly connected to the bottom of the reactor body (1).

2. A method for washing a still for producing phosphorus trichloride according to claim 1, wherein: The reactor body (1) comprises an outer shell (101), and an inner container (102) is fixedly connected to the inner wall of the outer shell (101).

3. A method for washing a still for producing phosphorus trichloride according to claim 2, wherein: A heating oil chamber (14) is provided between the outer shell (101) and the inner container (102), and a heating wire (15) is provided inside the heating oil chamber (14).

4. A method for washing a still for producing phosphorus trichloride according to claim 1, wherein: The lower surface of the support plate (2) is fixedly connected to a support leg (16), and the lower surface of the support leg (16) is threadedly connected to a support foot (17).

5. A tank washing device for phosphorus trichloride production according to claim 4, characterized in that: The number of the supporting legs (16) is four, and the four supporting legs (16) are fixedly connected to the lower surface of the supporting plate (2) in the form of a rectangular array.

6. A tank washing device for phosphorus trichloride production according to claim 1, characterized in that: The upper surface of the feed port (5) is fixedly connected to a sealing cover (18), and the lower surface of the electric telescopic rod (3) is fixedly connected to the upper surface of the support plate (2).

7. A tank washing device for phosphorus trichloride production according to claim 1, characterized in that: An exhaust hose (19) is fixedly connected to the upper surface of the exhaust port (6), one end of the exhaust hose (19) is fixedly connected to a gas treatment box (20), and an alkaline solution is provided inside the gas treatment box (20).

8. A tank washing device for phosphorus trichloride production according to claim 1, characterized in that: The cleaning stirrer (8) comprises a stirring shaft (801), and a stirring frame (802) is fixedly connected to the bottom of the stirring shaft (801).

9. A tank washing device for phosphorus trichloride production according to claim 1, characterized in that: One end of the cleaning liquid inlet end (12) is fixedly connected to a pump (21), and the lower surface of the pump (21) is fixedly connected to a cleaning liquid storage barrel (22).

10. A tank washing device for phosphorus trichloride production according to claim 1, characterized in that: One end of the valve (13) is fixedly connected to a waste liquid collection bucket (23).

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