Feeding device for chemicals

Abstract

The utility model relates to a chemical feeding device which comprises a movable support and a material box, a feeding pipe is arranged on the top face of the material box, and the chemical feeding device is characterized in that a storage bin with a cone bottom is arranged in the material box, a discharging pipe penetrating through the bottom face of the material box is arranged at the lower end of the cone bottom, and a weighing sensor is arranged between the cone bottom and the bottom face of the material box. The lower end of the discharging pipe is connected with a conical telescopic cover with the narrow upper portion and the wide lower portion, corresponding through holes are formed in the side wall of the storage bin and the side wall of the material box, a horizontal pipeline communicated with the through holes is fixed to the side of the material box, a support is arranged at the top of the movable support, and a rotary supporting structure and a rotary driving mechanism are arranged between the support and the horizontal pipeline. The tail end of the horizontal pipeline is connected with a filter inlet pipeline through a rotary connector, an exhaust fan is arranged at an outlet of the filter, and a filter screen is fixed on the inner side of the starting end of the horizontal pipeline. The device solves the problem that an existing feeding device cannot prevent pungent smell from overflowing, has the function of monitoring the weight of materials, and is beneficial to metering the total amount of the materials and the feeding amount.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical equipment, in particular to a feeding device for chemicals. Background Art

[0002] During the chemical production process, some raw materials emit strong irritating gases when they are added. These irritating gases cause environmental pollution and endanger the health of workers.

[0003] CN 217449995 U discloses an automatic feeding device for fine chemical industry with odor treatment function, which comprises a bottom plate, universal wheels are installed at the four corners of the bottom plate lower end surface, a vertical plate is fixedly connected to the right side of the bottom plate upper end surface, a mounting groove is provided at the left side of the vertical plate, a sliding rod is fixedly connected to the position between the upper end surface and the lower end surface of the mounting groove, a sliding seat is slidably connected to the two sliding rods, a material box is fixedly connected between the two sliding seats, and a driving component for driving the material box to move up and down is also provided in the mounting groove. The device can realize temperature adjustment of materials before feeding, and the staff will not contact with the materials. At the same time, the materials in the material box can greatly reduce the harm caused by irritating gases to the staff, making feeding more convenient. However, there are still the following problems: 1. It is impossible to avoid odor overflow when the materials are put into the material box, and it is impossible to avoid odor overflow when the materials are put into the reaction equipment from the conveyor belt; 2. The weight of the materials cannot be monitored. Utility Model Content

[0004] The purpose of the utility model is to provide a chemical feeding device with reasonable structure and reliable use, so as to solve the problem that the existing feeding device cannot avoid the overflow of irritating odor, and at the same time has the function of monitoring the weight of the material, which is conducive to measuring the total amount of the material and the feeding amount.

[0005] The technical solution of the utility model is:

[0006] A feeding device for chemicals comprises a movable support and a material box, wherein a feeding pipe is provided on the top surface of the material box, and the technical key points are as follows: a storage bin with a conical bottom is arranged in the material box, a discharge pipe passing through the bottom surface of the material box is arranged at the lower end of the conical bottom, a weighing sensor is arranged between the conical bottom and the bottom surface of the material box, a conical telescopic cover which is narrow at the top and wide at the bottom is connected to the lower end of the discharge pipe, corresponding through holes are arranged on the side walls of the storage bin and the material box, a horizontal pipe connected to the through holes is fixed on the side of the material box, a support is arranged on the top of the movable support, a rotating support structure and a rotating drive mechanism are arranged between the support and the horizontal pipe, the end of the horizontal pipe is connected to the inlet pipe of the filter by a rotating joint, an exhaust fan is arranged at the outlet of the filter, and a filter screen is fixed on the inner side of the starting end of the horizontal pipe.

[0007] The above-mentioned chemical feeding device has a support with concentric holes corresponding to the horizontal pipes, and a plurality of horizontal support shafts are evenly arranged on the outer periphery of the concentric holes, the rotating support structure includes a front support roller and a rear support roller fixed at both ends of the horizontal support shaft, the outer peripheral surfaces of the front support roller and the rear support roller are provided with annular support grooves, and the outer periphery of the horizontal pipe is provided with a wheel belt that contacts the bottom of the annular support groove.

[0008] The above-mentioned chemical feeding device, the rotation driving mechanism includes a gear ring fixed to the outer periphery of the horizontal pipeline, a driving gear meshing with the gear ring, and a motor connected to the axle of the driving gear, and the motor is fixed to the top surface of the movable bracket.

[0009] In the above-mentioned chemical feeding device, the feed pipe is provided with a feed control valve, and the discharge pipe is provided with a discharge control valve.

[0010] In the above-mentioned chemical feeding device, the number of the filter screens is two, which are arranged at intervals in the horizontal pipe. A material collection recovery hopper is provided on the bottom surface of the horizontal pipe between the two filter screens, and a discharge valve is provided at the lower end of the material collection recovery hopper.

[0011] The beneficial effects of the utility model are:

[0012] 1. The rotating support structure and the rotating drive mechanism are used to intermittently drive the horizontal pipe to swing, which is convenient for unloading the raw materials in the silo into the material box, driving the material box and the storage silo to swing back and forth, so that the raw materials are evenly distributed in the storage silo, so as to facilitate the unloading of more raw materials; after the rotating drive mechanism completes the uniform distribution of materials, the weighing sensor is used to monitor the material weight, which is conducive to measuring the total amount of materials and the feeding amount.

[0013] 2. When the raw materials in the silo are unloaded into the material box, the exhaust fan is started to guide the overflow gas to the filter device through the horizontal pipe, and the gas is discharged after being deodorized by the filter device. When unloading, the conical telescopic cover is buckled on the outside of the feeding port of the reaction equipment, and the raw materials are lowered into the feeding port through the unloading pipe to avoid gas overflow, thus solving the problem that the existing feeding device cannot avoid the overflow of irritating odor. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 yes Figure 1 AA section view.

[0016] In the figure: 1. feed pipe, 2. feed control valve, 3. material box, 4. weighing sensor, 5. storage bin, 6. discharge pipe, 7. conical telescopic cover, 8. discharge control valve, 9. aggregate recovery bucket, 10. discharge valve, 11. mobile bracket, 12. horizontal pipeline, 13. support, 14. support roller, 15. wheel belt, 16. gear ring, 17. filter, 18. exhaust fan, 19. motor, 20. driving gear, 21. filter. DETAILED DESCRIPTION

[0017] The utility model is described in detail according to the accompanying drawings of the specification.

[0018] like Figure 1 , Figure 2 As shown, the chemical feeding device comprises a movable bracket 11 and a material box 3, and a feeding pipe 1 is provided on the top surface of the material box 3.

[0019] The material box 3 is provided with a storage bin 5 with a conical bottom, the lower end of the conical bottom is provided with a discharge pipe 6 passing through the bottom surface of the material box 3, a weighing sensor 4 is provided between the conical bottom and the bottom surface of the material box 3, and the lower end of the discharge pipe 6 is connected with a conical telescopic cover 7 which is narrow at the top and wide at the bottom. The feed pipe 1 is provided with a feed control valve 2, and the discharge pipe 6 is provided with a discharge control valve 8.

[0020] The side walls of the storage bin 5 and the material box 3 are provided with through holes corresponding to each other, and a horizontal pipe 12 connected to the through hole is fixed on the side of the material box 3. A support 13 is provided on the top of the mobile bracket 11, and a rotation support structure and a rotation drive mechanism are provided between the support 13 and the horizontal pipe 12. In this embodiment, the support 13 is provided with concentric holes corresponding to the horizontal pipe 12, and multiple horizontal support shafts are evenly provided on the outer periphery of the concentric holes. The rotation support structure includes front and rear support rollers 14 fixed at both ends of the horizontal support shaft, and the outer peripheral surfaces of the front and rear support rollers 14 are provided with annular support grooves, and the outer periphery of the horizontal pipe 12 is provided with a wheel belt 15 that contacts the bottom of the annular support groove. The rotation drive mechanism includes a gear ring 16 fixed to the outer periphery of the horizontal pipe 12, a driving gear 20 meshing with the gear ring 16, and a motor 19 connected to the wheel axle of the driving gear 20, and the motor 19 is fixed to the top surface of the mobile bracket 11.

[0021] The end of the horizontal pipe 12 is connected to the inlet pipe of the filter 17 by a rotary joint, and the outlet of the filter 17 is provided with an exhaust fan 18. A filter screen 21 is fixed inside the starting end of the horizontal pipe 12. In this embodiment, the number of the filter screens 21 is two, which are arranged at intervals in the horizontal pipe 12. The bottom surface of the horizontal pipe 12 is provided with a collection recovery hopper 9 between the two filter screens 21, and the lower end of the collection recovery hopper 9 is provided with a discharge valve 10.

[0022] Working principle:

[0023] 1. Push the device to move below the silo where raw materials are stored, and the silo lowers the raw materials into the storage bin 5 of the material box 3. After a certain amount of raw materials are lowered, start the motor 19 to drive the horizontal pipe 12 to swing through the driving gear 20 and the ring gear 16, so that the raw materials are evenly distributed in the storage bin 5, which is convenient for unloading more raw materials. After the materials are distributed, the total amount of materials is measured and recorded using the weighing sensor 4.

[0024] 2. During the above process, the exhaust fan 18 is started to guide the overflowing gas to the filter device 17 through the through hole and the horizontal pipe 12, and the gas is discharged after being deodorized by the filter device 17.

[0025] 3. Move the device to the reaction equipment, buckle the conical telescopic cover 7 to the outside of the feeding port of the reaction equipment, open the unloading control valve 8, and feed the raw materials into the reaction equipment. During the feeding process, use the weighing sensor 4 to measure the feeding amount and record it.

[0026] The above is a detailed description of the embodiments of the utility model, but the above contents are only preferred embodiments of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of the invention of the utility model should still fall within the scope of this patent.

Claims

1. A feeding device for chemicals, comprising a movable support and a material box, wherein a feeding pipe is provided on the top surface of the material box, and characterized in that: A storage bin with a conical bottom is provided in the material box, a discharge pipe passing through the bottom of the material box is provided at the lower end of the conical bottom, a weighing sensor is provided between the conical bottom and the bottom of the material box, a conical telescopic cover which is narrow at the top and wide at the bottom is connected to the lower end of the discharge pipe, corresponding through holes are provided on the side walls of the storage bin and the material box, a horizontal pipe connected to the through holes is fixed on the side of the material box, a support is provided on the top of the movable bracket, a rotating support structure and a rotating drive mechanism are provided between the support and the horizontal pipe, the end of the horizontal pipe is connected to the inlet pipe of the filter by a rotating joint, an exhaust fan is provided at the outlet of the filter, and a filter screen is fixed on the inner side of the starting end of the horizontal pipe.

2. The chemical feeding device according to claim 1, characterized in that: The support is provided with concentric holes corresponding to the horizontal pipes, and a plurality of horizontal support shafts are evenly arranged around the concentric holes. The rotating support structure includes a front support roller and a rear support roller fixed at both ends of the horizontal support shaft. The outer peripheral surfaces of the front support roller and the rear support roller are provided with annular support grooves. The outer periphery of the horizontal pipe is provided with a wheel belt in contact with the bottom of the annular support groove.

3. The chemical feeding device according to claim 1, characterized in that: The rotation driving mechanism comprises a gear ring fixed to the outer periphery of the horizontal pipeline, a driving gear meshing with the gear ring, and a motor connected to the axle of the driving gear, and the motor is fixed to the top surface of the movable bracket.

4. The chemical feeding device according to claim 1, characterized in that: The feed pipe is provided with a feed control valve, and the discharge pipe is provided with a discharge control valve.

5. The chemical feeding device according to claim 1, characterized in that: There are two filter screens, which are arranged at intervals in the horizontal pipe. A material collection recovery hopper is provided on the bottom surface of the horizontal pipe between the two filter screens, and a discharge valve is provided at the lower end of the material collection recovery hopper.

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