Production device and operation method of Karl Fischer reagent
By using bevel gear motor to drive the spiral scraper to rotate in the mixing cylinder in the Karl Fischer reagent production device, the problem of insufficient mixing of raw material with new materials is solved, and the yield and production efficiency are improved.
Patent Information
- Application Number
- CN202411359894.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2024-12-17
AI Technical Summary
During the use of the existing Karl Fischer reagent production device, it is difficult to remix the raw materials deposited at the bottom with the new materials, affecting the yield rate of the equipment.
The main bevel teeth motor drives the rotation of the rear bevel teeth, so that the rear bevel teeth drive the spiral scraper to rotate inside the mixing cylinder, rescrape the raw materials deposited at the bottom and mix them thoroughly with the new materials.
The yield and production efficiency of the equipment are improved, so that the raw materials inside the mixing cylinder can be fully mixed, and the production efficiency of the equipment is increased.
Smart Images
Figure CN119139992A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of reagents, and in particular to a production device and an operating method of a Karl Fischer reagent. Background Art
[0002] The existing patent (Announcement No.: CN213556843U) proposes a production device for Karl Fischer reagent. It includes a stirring tank, a side hanging plate and a supporting round shell. The top of the stirring tank is welded with a supporting round shell, and the side hanging plate is welded with a side wall of the stirring tank. A driving motor is installed on the surface of the supporting round shell through a bracket. The output shaft of the driving motor passes through the surface of the supporting round shell. The output shaft of the driving motor is connected to a belt pulley through a coupling. The belt pulley is connected to a driven disk through two groups of belts. The two groups of driven disks are respectively installed and fixed on the tops of two groups of stirring shafts. Both groups of stirring shafts are installed inside the stirring tank through two groups of rotating bearing seats. Both groups of stirring shafts are installed with multiple groups of stirring knives on the surface. The bottom of the side hanging plate is installed with a water pump through multiple groups of bolts. However, in this device, "both groups of stirring shafts are installed with multiple groups of stirring knives on the surface". The equipment relies on the stirring knives inside the stirring tank to stir the internal raw materials for production. During the use of the equipment, it may be difficult to remix the raw materials deposited at the bottom with the new materials, affecting the yield of the equipment. Summary of the invention
[0003] In view of the above-mentioned deficiencies in the prior art, the present invention provides a Karl Fischer reagent production device and an operating method. During use, a ladder bevel gear motor at the bottom of a motor disk drives the main bevel gear to rotate, so that the main bevel gear drives a spiral scraper at the rear of the rear bevel gear to rotate inside a mixing barrel, so that the spiral scraper scrapes up the raw materials deposited and attached to the bottom and mixes them fully with new materials, thereby increasing the yield of the equipment production.
[0004] The purpose of the present invention is to be achieved through the following technical solutions: A production device for Karl Fischer reagent comprises an equipment base, a wheel bracket, a bearing, a central shaft, a bevel gear motor, a stirring shaft rod, and a shaft lock seat. The lower part of the equipment base is connected to the wheel bracket, a crossbeam is provided inside the wheel bracket, and the lower part of the wheel bracket is connected to a universal wheel. The front part of the equipment base is provided with a pump bin, the upper part of the equipment base is connected to a mixing drum, the side of the mixing drum is connected to a discharging pump, the discharging pump corresponds to the position inside the pump bin, the front part of the discharging pump is provided with a discharging pipe, the surface of the mixing drum is connected to an observation window, the front part of the mixing drum is provided with a scraper shaft groove, the front part of the scraper bracket is provided with a scraper shaft, the scraper shaft groove is adapted to the scraper shaft, the scraper shaft groove is connected to the scraper shaft, the scraper shaft rotates inside the scraper shaft groove, the front part of the scraper shaft is provided with a rear end bevel gear, the side of the scraper shaft groove is connected to a bearing bracket, the inside of the bearing bracket is connected to a bearing, and the bearing is adapted to the central shaft.
[0005] The bearing is connected to the central shaft, the central shaft is fixed inside the bearing, the front part of the central shaft is provided with a rear end bevel gear, the front part of the rear end bevel gear is connected to the bevel gear positioning shaft, the front part of the motor disk is provided with a motor bracket, the front part of the equipment base is connected to the motor bracket, the rear part of the motor disk is provided with a bevel gear positioning seat, the bevel gear positioning seat is adapted to the bevel gear positioning shaft, the bevel gear positioning seat is connected to the bevel gear positioning shaft, the bevel gear positioning shaft rotates inside the bevel gear positioning seat, and the lower part of the motor disk is connected to the ladder bevel gear motor.
[0006] The ladder bevel gear motor has a driving shaft on the upper part, the ladder bevel gear motor is adapted to the driving shaft, the ladder bevel gear motor is connected to the driving shaft, the driving shaft rotates inside the ladder bevel gear motor, the upper part of the driving shaft is connected to the main bevel gear, the rear part of the main bevel gear is meshed with the rear end bevel gear, the front part of the main bevel gear is meshed with the rear end bevel gear, the rear part of the central shaft is rotatably connected to the inside of the rear end bevel gear, the rear part of the central shaft is connected to the stirring shaft, the inside of the scraper shaft is rotatably connected to the stirring shaft, the side of the stirring shaft is provided with stirring blades, and the rear part of the equipment base is provided with a grooved shaft disc groove.
[0007] The rear part of the stirring shaft is connected to the positioning shaft disk, the groove of the grooved shaft disk is adapted to the positioning shaft disk, the groove of the grooved shaft disk is connected to the positioning shaft disk, the positioning shaft disk rotates inside the groove of the grooved shaft disk, the rear part of the scraper frame is provided with a spiral scraper, the mixing drum is adapted to the spiral scraper, the mixing drum is connected to the spiral scraper, the spiral scraper rotates inside the mixing drum, the rear part of the mixing drum is connected to the lower part of the inspection cover through a hinge, and the upper part of the inspection cover is connected to the locking shaft seat.
[0008] The interior of the lock shaft seat is rotatably connected to the upper part of the lock shaft rod, the interior of the lock shaft rod is slidably connected to the lock plate, the side of the mixing barrel is provided with a lock core, the lock plate is adapted to the lock core, the lock plate is connected to the lock core, the lock core is inserted into the lock plate, the lower part of the lock shaft rod is threadedly connected to the handle, the rear of the mixing barrel is connected to the filter plate box, the mixing barrel is communicated with the interior of the filter plate box, the filter plate box is adapted to the filter plate, the filter plate box is connected to the filter plate, the filter plate is inserted into the interior of the filter plate box, and the rear of the filter plate box is provided with a feed hopper. Beneficial Effects
[0009] 1. During the use of the Karl Fischer reagent production device of the present invention, the main bevel gear is driven to rotate by the ladder bevel gear motor at the bottom of the motor disk, so that the main bevel gear drives the spiral scraper at the rear of the rear bevel gear to rotate inside the mixing barrel, so that the spiral scraper scrapes up the raw materials deposited and attached at the bottom and fully mixes them with the new materials, thereby increasing the yield of the equipment production.
[0010] 2. During the use of the Karl Fischer reagent production device of the present invention, the rear end bevel gear and the rear end bevel gear are driven to rotate by the main bevel gear, so that the rear end bevel gear and the rear end bevel gear drive the spiral scraper and the stirring blade to rotate in different directions, so that the raw materials inside the mixing barrel are fully mixed, thereby increasing the production efficiency of the equipment.
[0011] 3. During the use of the Karl Fischer reagent production device of the present invention, the raw materials inside the mixing cylinder are observed through the observation window on the side of the mixing cylinder. The observation window is made of transparent material, so that the staff can observe the production mixing degree of the internal raw materials conveniently. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 The present invention is a schematic diagram of the structure of a production device for a Karl Fischer reagent.
[0013] Figure 2 The present invention provides a schematic diagram of the three-dimensional assembly of an inspection cover structure of a Karl Fischer reagent production device.
[0014] Figure 3 It is a schematic diagram of a partial cross-section of a three-dimensional assembly of a mixing barrel structure of a Karl Fischer reagent production device described in the present invention.
[0015] Figure 4 It is a schematic diagram of the three-dimensional assembly of the main bevel gear structure of a Karl Fischer reagent production device described in the present invention.
[0016] Figure 5 It is a three-dimensional assembly schematic diagram of the locking shaft rod structure of a Karl Fischer reagent production device described in the present invention.
[0017] Figure 6 The present invention provides a schematic diagram of the three-dimensional assembly of a hopper structure of a Karl Fischer reagent production device. DETAILED DESCRIPTION
[0018] The present invention is further described in detail below according to the accompanying drawings and embodiments: Embodiment 1: A production device for Karl Fischer reagent, comprising an equipment base 01, a wheel bracket 02, a bearing 16, a central shaft 17, a bevel gear motor 23, a stirring shaft 26, and a shaft lock seat 33. The lower part of the equipment base 01 is connected to the wheel bracket 02, the wheel bracket 02 has a crossbeam 03 inside, the lower part of the wheel bracket 02 is connected to the universal wheel 04, the front part of the equipment base 01 has a pump bin 05, the upper part of the equipment base 01 is connected to the mixing barrel 10, the side of the mixing barrel 10 is connected to the discharge pump 06, the discharge pump 06 corresponds to the internal position of the pump bin 05, the front part of the discharge pump 06 has a discharge pipe 07, the surface of the mixing barrel 10 is connected to the observation window 08, and the Karl Fischer reagent During the use of the production device, the raw materials inside the mixing drum 10 are observed through the observation window 08 on the side of the mixing drum 10. The observation window 08 is made of transparent material, so that the staff can observe the degree of production mixing of the internal raw materials. The front of the mixing drum 10 has a scraper shaft groove 11, and the front of the scraper frame 12 has a scraper shaft 13. The scraper shaft groove 11 is adapted to the scraper shaft 13, and the scraper shaft groove 11 is connected to the scraper shaft 13. The scraper shaft 13 rotates inside the scraper shaft groove 11. The front of the scraper shaft 13 has a rear end bevel tooth 14. The side of the scraper shaft groove 11 is connected to the bearing bracket 15, and the inside of the bearing bracket 15 is connected to the bearing 16, and the bearing 16 is adapted to the center shaft 17.
[0019] Embodiment 2: The bearing 16 described in the present invention is connected to the central shaft 17, and the central shaft 17 is fixed inside the bearing 16. The front part of the central shaft 17 has a rear end bevel gear 18. During the use of the production device of Karl Fischer reagent, the rear end bevel gear 14 and the rear end bevel gear 18 are driven to rotate by the main bevel gear 25, so that the rear end bevel gear 14 and the rear end bevel gear 18 drive the spiral scraper 30 and the stirring blade 27 to rotate in different directions, so that the raw materials inside the mixing barrel 10 are fully mixed, thereby increasing the production efficiency of the equipment. The front part of the rear end bevel gear 18 is connected to the bevel gear positioning shaft 19, the front part of the motor disk 21 has a motor bracket 20, the front part of the equipment base 01 is connected to the motor bracket 20, the rear part of the motor disk 21 has a bevel gear positioning seat 22, the bevel gear positioning seat 22 is adapted to the bevel gear positioning shaft 19, the bevel gear positioning seat 22 is connected to the bevel gear positioning shaft 19, the bevel gear positioning shaft 19 rotates inside the bevel gear positioning seat 22, and the lower part of the motor disk 21 is connected to the ladder bevel gear motor 23.
[0020] Embodiment 3: The ladder bevel gear motor 23 described in the present invention has a driving shaft 24 on the upper part, the ladder bevel gear motor 23 is adapted to the driving shaft 24, the ladder bevel gear motor 23 is connected to the driving shaft 24, the driving shaft 24 rotates inside the ladder bevel gear motor 23, the upper part of the driving shaft 24 is connected to the main bevel gear 25, the rear part of the main bevel gear 25 is meshed with the rear end bevel gear 14, the front part of the main bevel gear 25 is meshed with the rear end bevel gear 18, the rear part of the central shaft 17 is rotatably connected to the rear end bevel gear 14, the rear part of the central shaft 17 is connected to the stirring shaft 26, the scraper shaft 13 is rotatably connected to the stirring shaft 26, the side of the stirring shaft 26 is provided with a stirring blade 27, and the rear part of the equipment base 01 is provided with a grooved shaft disc groove 28.
[0021] Embodiment 4: The rear portion of the stirring shaft 26 of the present invention is connected to the positioning shaft disk 29, the groove shaft disk groove 28 is adapted to the positioning shaft disk 29, the groove shaft disk groove 28 is connected to the positioning shaft disk 29, and the positioning shaft disk 29 rotates inside the groove shaft disk groove 28. The scraper frame 12 has a spiral scraper 30 at the rear portion, the mixing drum 10 is adapted to the spiral scraper 30, and the mixing drum 10 is connected to the spiral scraper 30. During the use of the Karl Fischer reagent production device, the main bevel gear 25 is driven to rotate by the ladder bevel gear motor 23 at the lower portion of the motor disk 21, so that the main bevel gear 25 drives the spiral scraper 30 at the rear of the rear end bevel gear 14 to rotate inside the mixing drum 10, so that the spiral scraper 30 re-scrapes the raw materials deposited and attached to the bottom and fully mixes them with the new materials, thereby increasing the yield of the equipment production. The spiral scraper 30 rotates inside the mixing drum 10, and the rear portion of the mixing drum 10 is connected to the lower portion of the inspection cover 32 through a hinge 31, and the upper portion of the inspection cover 32 is connected to the lock shaft seat 33. The existing Karl Fischer reagent operation method is as follows: when producing the Karl Fischer reagent, the water content of the selected raw materials must be strictly controlled, generally not exceeding 0.1%; 133 mL of anhydrous pyridine and 42.33 g of iodine are placed in a stoppered brown reagent bottle, shaken until the iodine is completely dissolved, and then 333 ml of anhydrous methanol is added; the reagent bottle is accurately weighed, sulfur dioxide gas dehydrated with concentrated sulfuric acid is introduced until the reagent bottle increases in weight by 32 g, the bottle stopper is firmly plugged, shaken, and placed in a dark place for 48 hours before calibration; the titer of the Karl Fischer reagent prepared in this way is about 3-5 g / mL of water.
[0022] Embodiment 5: The interior of the lock shaft seat 33 of the present invention is rotatably connected to the upper part of the lock shaft rod 34, and the interior of the lock shaft rod 34 is slidably connected to the lock plate 35. The side of the mixing barrel 10 is provided with a lock core 36, and the lock plate 35 is adapted to the lock core 36. The lock plate 35 is connected to the lock core 36, and the lock core 36 is inserted into the lock plate 35. The lower part of the lock shaft rod 34 is threadedly connected to the handle 37. The rear part of the mixing barrel 10 is connected to the filter plate box 38, and the mixing barrel 10 is communicated with the interior of the filter plate box 38. The filter plate box 38 is adapted to the filter plate 39, and the filter plate box 38 is connected to the filter plate 39. The filter plate 39 is inserted into the interior of the filter plate box 38, and the rear part of the filter plate box 38 is provided with a hopper 40. Embodiment 6: A method for using a Karl Fischer reagent production device: the lower part of the device base 01 is fixedly connected to the wheel bracket 02, the lower part of the wheel bracket 02 is fixedly connected to the universal wheel 04, the upper part of the device base 01 is fixedly connected to the mixing drum 10, the side of the mixing drum 10 is fixedly connected to the discharge pump 06, the discharge pump 06 is aligned with the internal position of the pump bin 05, the surface of the mixing drum 10 is fixedly connected to the observation window 08, the scraper shaft 13 is rotated in the scraper shaft groove 11, and the side of the scraper shaft groove 11 is connected to the bearing support The bearing bracket 15 is fixedly connected, the bearing bracket 15 is fixedly connected to the bearing 16, the center shaft 17 is fixed inside the bearing 16, the front part of the rear bevel gear 18 is fixedly connected to the bevel gear positioning shaft 19, the front part of the equipment base 01 is fixedly connected to the motor bracket 20, the bevel gear positioning shaft 19 is rotated inside the bevel gear positioning seat 22, the lower part of the motor disk 21 is fixedly connected to the ladder bevel gear motor 23, the drive shaft 24 is rotated inside the ladder bevel gear motor 23, and the upper part of the drive shaft 24 is fixedly connected to the main bevel gear 25. Then, the rear of the main bevel gear 25 is meshed with the rear bevel gear 14, the front of the main bevel gear 25 is meshed with the rear bevel gear 18, the rear of the central shaft 17 is rotatably connected to the inside of the rear bevel gear 14, the rear of the central shaft 17 is fixedly connected to the stirring shaft 26, the inside of the scraper shaft 13 is rotatably connected to the stirring shaft 26, the rear of the stirring shaft 26 is fixedly connected to the positioning shaft disk 29, the positioning shaft disk 29 is rotated inside the groove shaft disk groove 28, the spiral scraper 30 is rotated inside the mixing drum 10, and the mixing drum The rear portion of 10 is fixedly connected to the lower portion of the inspection cover 32 through a hinge 31, the upper portion of the inspection cover 32 is fixedly connected to the lock shaft seat 33, the interior of the lock shaft seat 33 is rotatably connected to the upper portion of the lock shaft rod 34, the interior of the lock shaft rod 34 is slidably connected to the lock plate 35, the lock core 36 is inserted into the interior of the lock plate 35, the lower portion of the lock shaft rod 34 is threadedly connected to the handle 37, the rear portion of the mixing cylinder 10 is fixedly connected to the filter plate box 38, the mixing cylinder 10 is connected to the interior of the filter plate box 38, and the filter plate 39 is inserted into the interior of the filter plate box 38.
[0023] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principles of the present invention, and these improvements and modifications should also be regarded as within the scope of protection of the present invention.
Claims
1. A production device for Karl Fischer reagent, characterized in that : It comprises an equipment base (01), a wheel bracket (02), a bearing (16), a central shaft (17), a bevel gear motor (23), a stirring shaft (26), and a shaft lock seat (33). The lower part of the equipment base (01) is connected to the wheel bracket (02), the wheel bracket (02) has a crossbeam (03) inside, the lower part of the wheel bracket (02) is connected to the universal wheel (04), the front part of the equipment base (01) has a pump bin (05), the upper part of the equipment base (01) is connected to the mixing barrel (10), the side of the mixing barrel (10) is connected to the discharge pump (06), the discharge pump (06) corresponds to the internal position of the pump bin (05), and the discharge pump (06) The front portion is provided with a discharge pipe (07), the surface of the mixing barrel (10) is connected to the observation window (08), the front portion of the mixing barrel (10) is provided with a scraper shaft groove (11), the front portion of the scraper frame (12) is provided with a scraper shaft (13), the scraper shaft groove (11) is adapted to the scraper shaft (13), the scraper shaft groove (11) is connected to the scraper shaft (13), the scraper shaft (13) rotates inside the scraper shaft groove (11), the front portion of the scraper shaft (13) is provided with a rear end bevel gear (14), the side portion of the scraper shaft groove (11) is connected to a bearing bracket (15), the inside of the bearing bracket (15) is connected to a bearing (16), and the bearing (16) is adapted to the center shaft (17).
2. A production device for Karl Fischer reagent according to claim 1, characterized in that The bearing (16) is connected to the central shaft (17), the central shaft (17) is fixed inside the bearing (16), the front of the central shaft (17) has a rear end bevel gear (18), the front of the rear end bevel gear (18) is connected to the bevel gear positioning shaft (19), the front of the motor disk (21) has a motor bracket (20), the front of the equipment base (01) is connected to the motor bracket (20), the rear of the motor disk (21) has a bevel gear positioning seat (22), the bevel gear positioning seat (22) is adapted to the bevel gear positioning shaft (19), the bevel gear positioning seat (22) is connected to the bevel gear positioning shaft (19), the bevel gear positioning shaft (19) rotates inside the bevel gear positioning seat (22), and the lower part of the motor disk (21) is connected to the ladder bevel gear motor (23).
3. A production device for Karl Fischer reagent according to claim 2, characterized in that The ladder bevel gear motor (23) has a driving shaft (24) on the upper part, the ladder bevel gear motor (23) is adapted to the driving shaft (24), the ladder bevel gear motor (23) is connected to the driving shaft (24), the driving shaft (24) rotates inside the ladder bevel gear motor (23), the upper part of the driving shaft (24) is connected to the main bevel gear (25), the rear part of the main bevel gear (25) is meshed with the rear end bevel gear (14), the front part of the main bevel gear (25) is meshed with the rear end bevel gear (18), the rear part of the central shaft (17) is rotatably connected to the rear end bevel gear (14), the rear part of the central shaft (17) is connected to the stirring shaft (26), the scraper shaft (13) is rotatably connected to the stirring shaft (26), the side of the stirring shaft (26) has a stirring blade (27), and the rear part of the equipment base (01) has a grooved shaft disc groove (28).
4. A production device for Karl Fischer reagent according to claim 3, characterized in that The rear portion of the stirring shaft rod (26) is connected to the positioning shaft disk (29), the groove shaft disk groove (28) is adapted to the positioning shaft disk (29), the groove shaft disk groove (28) is connected to the positioning shaft disk (29), the positioning shaft disk (29) rotates inside the groove shaft disk groove (28), the scraper frame (12) has a spiral scraper (30) at the rear portion, the mixing barrel (10) is adapted to the spiral scraper (30), the mixing barrel (10) is connected to the spiral scraper (30), the spiral scraper (30) rotates inside the mixing barrel (10), the rear portion of the mixing barrel (10) is connected to the lower portion of the inspection cover (32) through a hinge (31), and the upper portion of the inspection cover (32) is connected to the locking shaft seat (33).
5. A production device for Karl Fischer reagent according to claim 4, characterized in that The interior of the lock shaft seat (33) is rotatably connected to the upper part of the lock shaft rod (34), the interior of the lock shaft rod (34) is slidably connected to the lock plate (35), the side of the mixing barrel (10) is provided with a lock core (36), the lock plate (35) is adapted to the lock core (36), the lock plate (35) is connected to the lock core (36), the lock core (36) is inserted into the interior of the lock plate (35), the lower part of the lock shaft rod (34) is threadedly connected to the handle (37), the rear part of the mixing barrel (10) is connected to the filter plate box (38), the mixing barrel (10) is communicated with the interior of the filter plate box (38), the filter plate box (38) is adapted to the filter plate (39), the filter plate box (38) is connected to the filter plate (39), the filter plate (39) is inserted into the interior of the filter plate box (38), and the rear part of the filter plate box (38) is provided with a feed hopper (40).
6. A method for assembling and operating a Karl Fischer reagent production device: characterized in that : Includes the following steps: The first step is to fix the lower part of the equipment base (01) to the wheel bracket (02), fix the lower part of the wheel bracket (02) to the universal wheel (04), fix the upper part of the equipment base (01) to the mixing drum (10), fix the side of the mixing drum (10) to the discharge pump (06), and make the discharge pump (06) correspond to the internal position of the pump bin (05). The second step is to fix the surface of the mixing drum (10) to the observation window (08), rotate the scraper shaft (13) inside the scraper shaft groove (11), fix the side of the scraper shaft groove (11) to the bearing bracket (15), and fix the mixing drum (10) to the observation window (08). The bearing bracket (15) is fixedly connected to the bearing (16), the center shaft (17) is fixed inside the bearing (16), the front part of the rear bevel gear (18) is fixedly connected to the bevel gear positioning shaft (19), the front part of the equipment base (01) is fixedly connected to the motor bracket (20), the bevel gear positioning shaft (19) is rotated inside the bevel gear positioning seat (22), the lower part of the motor disk (21) is fixedly connected to the ladder bevel gear motor (23), the drive shaft (24) is rotated inside the ladder bevel gear motor (23), the upper part of the drive shaft (24) is fixedly connected to the main bevel gear (25), and the main bevel gear (2 5) the rear end is meshed with the rear end bevel gear (14), the front end of the main bevel gear (25) is meshed with the rear end bevel gear (18), the rear end of the central shaft (17) is rotatably connected to the inside of the rear end bevel gear (14), the rear end of the central shaft (17) is fixedly connected to the stirring shaft (26), the inside of the scraper shaft (13) is rotatably connected to the stirring shaft (26), the rear end of the stirring shaft (26) is fixedly connected to the positioning shaft disk (29), the positioning shaft disk (29) is rotated inside the groove shaft disk groove (28), the spiral scraper (30) is rotated inside the mixing drum (10), and the rear end of the mixing drum (10) is passed through The hinge (31) is fixedly connected to the lower part of the inspection cover (32), the upper part of the inspection cover (32) is fixedly connected to the lock shaft seat (33), the interior of the lock shaft seat (33) is rotatably connected to the upper part of the lock shaft rod (34), the interior of the lock shaft rod (34) is slidably connected to the lock plate (35), the lock core (36) is inserted into the interior of the lock plate (35), the lower part of the lock shaft rod (34) is threadedly connected to the handle (37), the rear part of the mixing cylinder (10) is fixedly connected to the filter plate box (38), the mixing cylinder (10) is communicated with the interior of the filter plate box (38), and the filter plate (39) is inserted into the interior of the filter plate box (38).