Nitrogen-assisted blanking mechanism of granulation kettle

Abstract

The utility model relates to the technical field of chemical equipment, in particular to a nitrogen-assisted blanking mechanism of a granulation kettle, which comprises a kettle body, supports for supporting are fixed on two sides of the outer wall of the kettle body, a blanking port is arranged at the bottom end of the outer wall of the kettle body, and the bottom end of the outer wall of the blanking port is communicated with a blanking rotary valve for controlling blanking. According to the discharging device, when crusting occurs in the discharging rotary valve, the first device can pull the impact rod to move through the hydraulic rod and the storage block, so that the impact rod can continuously knock the outer wall of the discharging rotary valve through the knocking head under the action of the spring, and therefore the crusting phenomenon is avoided; and secondly, nitrogen can be conveyed into a vent groove through a booster pump, so that the vent groove can spray out the nitrogen through an air outlet hole to blow off crusts on the inner wall of the discharging rotary valve, and in this way, the device can automatically blow off the crusts in the discharging rotary valve in a vibrating mode.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical equipment, in particular to a nitrogen-assisted feeding mechanism of a granulating kettle. Background Art

[0002] High temperature mixing granulation kettle is a kind of equipment used in the fields of pharmaceuticals, chemical industry, etc. It is mainly used to mix, melt, granulate and process powdered or granular raw materials at high temperature. This equipment is usually composed of a mixing device, a heating device, a cooling device, a control system, etc. It can mix, melt and granulate the raw materials under high temperature conditions to obtain products that meet the requirements.

[0003] When the hot kettle granulation is completed, the material is easy to crust at the discharge rotary valve, resulting in blockage and inability to discharge. It is necessary to manually use a rubber hammer to knock and vibrate the crust at the bonded rotary valve before the material can be discharged, which has certain shortcomings.

[0004] In summary, it is necessary to invent a nitrogen-assisted feeding mechanism for a granulating kettle. Utility Model Content

[0005] To this end, the utility model provides a nitrogen-assisted unloading mechanism for a granulating kettle to solve the problem that when the hot kettle granulation is completed, the material is easily crusted at the unloading rotary valve, resulting in blockage and inability to unload the material, and the crust that comes out of the rotary valve needs to be vibrated and cracked by manual use of a rubber hammer before unloading can be carried out.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a nitrogen-assisted unloading mechanism of a granulating kettle, comprising a kettle body, wherein supporting brackets are fixed on both sides of the outer wall of the kettle body, a unloading port is arranged at the bottom end of the outer wall of the kettle body, and the bottom end of the outer wall of the unloading port is connected to a unloading rotary valve for controlling the unloading, and an auxiliary unloading component is arranged on the outer wall side of the unloading rotary valve.

[0007] Preferably, a stirring motor is fixed at the center of the top end of the outer wall of the kettle body, a feeding port is opened at the top end of the outer wall of the kettle body and on one side of the stirring motor, a stirring rod is rotatably installed at the top end of the inner wall of the kettle body and at a position corresponding to the stirring motor, and the top end of the stirring rod is fixed to the bottom output end of the stirring motor.

[0008] Preferably, the auxiliary unloading component includes a support plate, which is fixed to the inner wall of the bracket and at a position corresponding to the unloading rotary valve, and a vertical plate is fixed to the top of the outer wall of the support plate and on the side away from the unloading rotary valve.

[0009] Preferably, guide cylinders are fixed to the upper and lower sides of the outer wall of the vertical plate, the guide cylinders are arranged in an arc shape, and impact rods are arranged on the outer walls of the two guide cylinders on opposite sides.

[0010] Preferably, a guide slider is fixed to one end of the impact rod close to the vertical plate, and the outer wall of the guide slider is slidably connected to the inner wall of the guide cylinder on the opposite side. A spring is fixed to the outer wall of the guide slider away from the impact rod, and the end of the spring away from the impact rod is fixed at a corresponding position of the side wall of the vertical plate.

[0011] Preferably, pull blocks are fixed to the upper and lower ends of the outer wall of the impact rod and one side close to the guide slider, and strip-shaped through grooves are opened on the upper and lower sides of the outer wall of the guide cylinder and at positions corresponding to the pull blocks, and the outer walls of the pull blocks are slidably connected to the inner walls of the strip-shaped through grooves at corresponding positions.

[0012] Preferably, a hydraulic rod is fixed to the side wall of the vertical plate and the outer wall on the opposite side of the guide cylinder, a storage block is fixed to the output end of the hydraulic rod, and a contraction block is fixed to the outer wall on the opposite side of the two storage blocks.

[0013] Preferably, the opposite ends of the two pulling blocks pass through the strip-shaped through slot and extend to the outside of the pulling blocks, the side walls of the contraction blocks are clamped with the outer walls of the pulling blocks, a striking head is fixed to the outer wall of the impact rod away from the guide slider, and a rubber pad is fixed to the end of the striking head away from the impact rod.

[0014] Preferably, the auxiliary unloading component also includes a nitrogen storage tank, the top air outlet end of the nitrogen storage tank is connected to a booster pump, the air delivery end of the booster pump is connected to a gas delivery hose, and a ventilation groove is provided on the inner wall of the unloading rotary valve, and the end of the gas delivery hose away from the booster pump is connected to the ventilation groove.

[0015] Preferably, the front and rear sides of the inner wall of the rotary valve for material discharge are rotatably connected with a valve core, and air outlet holes are provided at the side ends of the inner wall of the rotary valve for material discharge and at positions corresponding to the ventilation grooves. A blocking block is fixed above the outer wall of the air outlet hole, and the outer wall of the valve core does not contact the blocking block.

[0016] The beneficial effects of the utility model are:

[0017] In the utility model, when crusting occurs in the rotary valve for unloading material, the device can firstly pull the impact rod to move through the hydraulic rod and the storage block, so that the impact rod can continuously strike the outer wall of the rotary valve for unloading material through the impact head under the action of the spring, and secondly, nitrogen can be delivered to the ventilation groove through the booster pump, so that the ventilation groove can spray nitrogen through the air outlet to blow off the crust on the inner wall of the rotary valve for unloading material. Through the above method, it can be known that the device can automatically vibrate and blow off the crust in the rotary valve for unloading material, so that the unloading of the rotary valve for unloading material is more comfortable, and at the same time, the steps of manual operation are eliminated, which is more convenient for personnel to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic diagram of the external structure of the utility model in the front view direction;

[0019] Figure 2 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0020] Figure 3 It is a partial cross-sectional structural schematic diagram of the feed rotary valve in the utility model in the front view direction;

[0021] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0022] Figure 5 It is a three-dimensional structural schematic diagram of the impact rod and the striking head in the utility model.

[0023] In the figure: 100, kettle body; 110, stirring motor; 120, stirring rod; 130, discharge port; 200, bracket; 300, discharge rotary valve; 310, valve core; 320, ventilation groove; 321, air outlet; 322, blocking block; 400, support plate; 410, vertical plate; 420, guide cylinder; 430, impact rod; 431, guide slider; 432, spring; 433, pull block; 440, hydraulic rod; 441, storage block; 442, contraction block; 450, knocking head; 500, nitrogen storage tank; 510, booster pump. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0025] See attached Figure 1-5 The utility model provides a nitrogen-assisted unloading mechanism of a granulation kettle, comprising a kettle body 100, both sides of the outer wall of the kettle body 100 are fixed with supporting brackets 200, a stirring motor 110 is fixed at the center of the top of the outer wall of the kettle body 100, a feeding port is provided at the top of the outer wall of the kettle body 100 and located on one side of the stirring motor 110, a stirring rod 120 is rotatably installed at the top of the inner wall of the kettle body 100 and at a position corresponding to the stirring motor 110, the top of the stirring rod 120 is fixed to the bottom output end of the stirring motor 110, the stirring motor 110 can drive the stirring rod 120 to rotate after being powered on, so that the stirring rod 120 can stir and granulate the material, a unloading port 130 is provided at the bottom end of the outer wall of the kettle body 100, and the bottom end of the outer wall of the unloading port 130 is connected to a unloading rotary valve 300 for controlling unloading;

[0026] An auxiliary material unloading component is arranged on the outer wall side of the material unloading rotary valve 300, and the auxiliary material unloading component includes a support plate 400, which is fixed on the inner wall of the bracket 200 and at a position corresponding to the material unloading rotary valve 300. A vertical plate 410 is fixed on the top of the outer wall of the support plate 400 and on a side away from the material unloading rotary valve 300. The support plate 400 is arranged to fix the device on the side wall of the bracket 200, and the vertical plate 410 is arranged to support the guide cylinder 420. The guide cylinder 420 is fixed on the upper and lower sides of the outer wall of the vertical plate 410. The guide cylinder 420 is arranged in an arc shape. An impact rod 430 is arranged on the outer wall of the two guide cylinders 420 on the opposite side, and the guide cylinder 420 is arranged to guide the extension direction of the impact rod 430.

[0027] A guide slider 431 is fixed to one end of the impact rod 430 close to the vertical plate 410, and the outer wall of the guide slider 431 is slidably connected to the inner wall of the guide cylinder 420 on the opposite side. The guide slider 431 is provided to replace the impact rod 430 to slide with the inner wall of the guide cylinder 420 on the opposite side. A spring 432 is fixed to the outer wall of the guide slider 431 on the side away from the impact rod 430. The end of the spring 432 away from the impact rod 430 is fixed at a corresponding position of the side wall of the vertical plate 410. The spring 432 is provided to push the impact rod 430 through an elastic force, so that the impact rod 430 can knock on the outer wall of the unloading rotary valve 300 through the knocking head 450, and the material of the spring 432 can be selected from spring steel , chrome-vanadium alloy steel or silicon-chrome steel, a pull block 433 is fixed to the upper and lower ends of the outer wall of the impact rod 430 and one side close to the guide slider 431, a strip through groove is opened on the upper and lower sides of the outer wall of the guide cylinder 420 and at the corresponding positions of the pull block 433, the outer wall of the pull block 433 is slidably connected with the inner wall of the strip through groove at the corresponding position, the side wall of the vertical plate 410 and the outer wall on the opposite side of the guide cylinder 420 are fixed with a hydraulic rod 440, the output end of the hydraulic rod 440 is fixed with a storage block 441, the outer wall on the opposite side of the two storage blocks 441 is fixed with a contraction block 442, the opposite ends of the two pull blocks 433 pass through the strip through groove and extend to the outside of the pull block 433, and the side walls of the contraction block 442 are clamped with the outer wall of the pull block 433 Specifically, the hydraulic rod 440 is capable of controlling the storage block 441 to move, and the storage block 441 is also provided with a micro cylinder inside, which can control the contraction block 442 to extend and retract in the storage block 441. When the contraction block 442 is retracted into the storage block 441, the hydraulic rod 440 can extend the storage block 441 to the outside of the pull block 433, and then the storage block 441 can control the contraction block 442 to extend, so that the contraction block 442 can abut against the outer wall of the pull block 433, and then the hydraulic rod 440 can be contracted, so that the contraction block 442 can pull the impact rod 430 and the guide slider 431 toward the direction of the vertical plate 410 through the pull block 433, so that the guide slider 431 The spring 432 can be compressed, and then the storage block 441 can retract the contraction block 442. The elastic force of the spring 432 makes the impact rod 430 extend outward, so that the knocking head 450 can knock on the outer wall of the unloading rotary valve 300, so that the crust in the unloading rotary valve 300 can be knocked off. The outer wall of the side of the impact rod 430 away from the guide slider 431 is fixed with a knocking head 450, and the end of the knocking head 450 away from the impact rod 430 is fixed with a rubber pad, and the rubber pad is provided to improve the protective effect of the outer wall of the unloading rotary valve 300, and by repeating the above work, the impact rod 430 can continuously knock on the outer wall of the unloading rotary valve 300 through the knocking head 450;

[0028] The auxiliary unloading component also includes a nitrogen storage tank 500, the top gas outlet end of the nitrogen storage tank 500 is connected to a booster pump 510, and the gas delivery end of the booster pump 510 is connected to a gas delivery hose. Nitrogen is stored in the nitrogen storage tank 500, and the booster pump 510 can absorb the nitrogen in the nitrogen storage tank 500 and pressurize the nitrogen, so that the nitrogen can be delivered to the ventilation groove 320 through the gas delivery hose. The inner wall of the unloading rotary valve 300 is provided with a ventilation groove 320, and one end of the gas delivery hose away from the booster pump 510 is connected to the ventilation groove 320, and the front and rear sides of the inner wall of the unloading rotary valve 300 are both rotatably connected A valve core 310 is connected, and air outlet holes 321 are provided at the side ends of the inner wall of the unloading rotary valve 300 and at positions corresponding to the ventilation grooves 320. Stop blocks 322 are fixed on the outer walls of the air outlet holes 321. The outer wall of the valve core 310 does not contact the stop blocks 322. The transported nitrogen can enter the ventilation grooves 320, and the ventilation grooves 320 can spray the nitrogen from the air outlet holes 321. The stop blocks 322 are provided to leave a little gap for the crust at the air outlet holes 321 to increase the rate at which the nitrogen blows the crust apart. The valve core 310 is provided not to contact the stop blocks 322 to avoid damage to the valve core 310.

[0029] The use process of the utility model is as follows: first, a person can add raw materials into the kettle body 100 through the feed port, and the stirring motor 110 can be powered on to drive the stirring rod 120 to rotate, so that the stirring rod 120 can stir the raw materials, and the heating device on the kettle body 100 can heat and melt the materials. After the mixing is completed, the materials are cooled, so that the materials can be stirred into particles after cooling, and then the person can power on the motor on the discharge rotary valve 300, so that the motor can drive the valve core 310 to rotate, so that the granular materials can be discharged through the discharge port 130 and the discharge rotary valve 300;

[0030] When crust appears on the inner wall of the unloading rotary valve 300, the device can start the hydraulic rod 440 to control the storage block 441 to move, and the storage block 441 is also provided with a micro cylinder inside, which can control the contraction block 442 to extend and retract in the storage block 441. When the contraction block 442 is recovered into the storage block 441, the hydraulic rod 440 can extend the storage block 441 to the outside of the pulling block 433, and then the storage block 441 can control the contraction block 442 to extend, so that the contraction block 442 can abut against the outer wall of the pulling block 433, and then the hydraulic rod 440 can be contracted, so that the contraction block 442 can be retracted. The striking rod 430 and the guide slider 431 can be pulled by the pull block 433 to move toward the direction of the vertical plate 410, so that the guide slider 431 can compress the spring 432, and then the storage block 441 can retract the contraction block 442, and the striking rod 430 is extended outward by the elastic force of the spring 432, so that the knocking head 450 can knock the outer wall of the unloading rotary valve 300, so that the crust in the unloading rotary valve 300 can be knocked off, and by repeating the above work, the striking rod 430 can continuously knock the outer wall of the unloading rotary valve 300 through the knocking head 450;

[0031] At the same time, personnel can turn on the power to start the booster pump 510. The booster pump 510 can absorb the nitrogen in the nitrogen storage tank 500 and pressurize the nitrogen, so that the nitrogen can be transported to the ventilation groove 320 through the gas hose, and the ventilation groove 320 can spray the nitrogen from the air outlet 321, thereby cooperating with the impact rod 430 to improve the efficiency of crust removal on the unloading rotary valve 300.

[0032] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A nitrogen-assisted unloading mechanism for a granulating kettle, comprising a kettle body (100), wherein both sides of the outer wall of the kettle body (100) are fixed with supporting brackets (200), and the bottom end of the outer wall of the kettle body (100) is provided with a unloading port (130), characterized in that: The bottom end of the outer wall of the material discharge port (130) is connected to a material discharge rotary valve (300) for controlling material discharge, and an auxiliary material discharge component is arranged on the outer wall side of the material discharge rotary valve (300).

2. The nitrogen-assisted feeding mechanism of a granulating kettle according to claim 1, characterized in that: A stirring motor (110) is fixed at the center of the top end of the outer wall of the kettle body (100); a feeding port is provided at the top end of the outer wall of the kettle body (100) and located on one side of the stirring motor (110); a stirring rod (120) is rotatably mounted at the top end of the inner wall of the kettle body (100) and at a position corresponding to the stirring motor (110); the top end of the stirring rod (120) is fixed to the bottom output end of the stirring motor (110).

3. The nitrogen-assisted feeding mechanism of a granulating kettle according to claim 1, characterized in that: The auxiliary unloading component comprises a support plate (400), wherein the support plate (400) is fixed on the inner wall of the bracket (200) and at a position corresponding to the unloading rotary valve (300), and a vertical plate (410) is fixed on the top end of the outer wall of the support plate (400) and on a side away from the unloading rotary valve (300).

4. The nitrogen-assisted feeding mechanism of a granulating kettle according to claim 3, characterized in that: Guide cylinders (420) are fixed to the upper and lower sides of the outer wall of the vertical plate (410), and the guide cylinders (420) are arranged in an arc shape. Impact rods (430) are arranged on the outer walls of the two guide cylinders (420) on opposite sides.

5. The nitrogen-assisted feeding mechanism of a granulating kettle according to claim 4, characterized in that: A guide slider (431) is fixed to one end of the impact rod (430) close to the vertical plate (410), and the outer wall of the guide slider (431) is slidably connected to the inner wall of the guide cylinder (420) on the opposite side. A spring (432) is fixed to the outer wall of the guide slider (431) away from the impact rod (430), and one end of the spring (432) away from the impact rod (430) is fixed to a corresponding position of the side wall of the vertical plate (410).

6. The nitrogen-assisted feeding mechanism of a granulating kettle according to claim 5, characterized in that: Pull blocks (433) are fixed to the upper and lower ends of the outer wall of the impact rod (430) and one side close to the guide slider (431), and strip-shaped through grooves are opened on the upper and lower sides of the outer wall of the guide cylinder (420) and at positions corresponding to the pull blocks (433), and the outer wall of the pull block (433) is slidably connected to the inner wall of the strip-shaped through groove at the corresponding position.

7. The nitrogen-assisted feeding mechanism of a granulating kettle according to claim 6, characterized in that: A hydraulic rod (440) is fixed to the side wall of the vertical plate (410) and the outer wall on the opposite side of the guide cylinder (420), a storage block (441) is fixed to the output end of the hydraulic rod (440), and a contraction clamping block (442) is fixed to the outer wall on the opposite side of the two storage blocks (441).

8. The nitrogen-assisted feeding mechanism of a granulating kettle according to claim 7, characterized in that: The opposite ends of the two pulling blocks (433) pass through the bar-shaped through slot and extend to the outside of the pulling block (433); the side walls of the contraction block (442) are clamped with the outer wall of the pulling block (433); a striking head (450) is fixed to the outer wall of the impact rod (430) away from the guide slider (431); and a rubber pad is fixed to the end of the striking head (450) away from the impact rod (430).

9. The nitrogen-assisted feeding mechanism of a granulating kettle according to claim 1, characterized in that: The auxiliary unloading component also includes a nitrogen storage tank (500), the top gas outlet end of the nitrogen storage tank (500) is connected to a booster pump (510), the gas delivery end of the booster pump (510) is connected to a gas delivery hose, and the inner wall of the unloading rotary valve (300) is provided with a ventilation groove (320), and the end of the gas delivery hose away from the booster pump (510) is connected to the ventilation groove (320).

10. The nitrogen-assisted feeding mechanism of a granulating kettle according to claim 9, characterized in that: The front and rear sides of the inner wall of the rotary valve (300) are rotatably connected to a valve core (310), and air outlet holes (321) are provided at the side ends of the inner wall of the rotary valve (300) and at positions corresponding to the ventilation grooves (320). A blocking block (322) is fixed above the outer wall of the air outlet hole (321), and the outer wall of the valve core (310) does not contact the blocking block (322).

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