Urea scraper

Abstract

The utility model discloses a urea scraping machine, which relates to the technical field of scraping machines, and comprises a scraping arm assembly, a prilling tower bottom, a driving assembly and a rack, the scraping arm assembly comprises a first scraping arm, a second scraping arm and scraping plates, and the scraping plates are arranged on the first scraping arm and the second scraping arm; a feeding hole is formed in the bottom of the prilling tower, and the first scraping arm and the second scraping arm are connected at the position of the feeding hole; a rack is arranged on the outer bottom surface of the prilling tower pot bottom and comprises a gear assembly and a rotary support, the rotary support is connected with the gear assembly, and a discharge port is formed in the bottom of the rotary support; the driving assembly is installed at the bottom of the rack and comprises a speed reducer and a driving motor, the driving motor transmits power to the speed reducer, and the speed reducer rotates to drive the gear assembly to rotate; materials enter from the feeding port, pass through the interior of the rack and are discharged from the discharging port. According to the urea scraping machine, by adjusting the distance between the scraping plates, the scraping arms and the like, the operation stability of the urea scraping machine is enhanced, and the scraping efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of scrapers, in particular to a urea scraper. Background Art

[0002] At present, the urea scrapers on the market have problems such as poor lubrication, rapid wear of the scraper equipment, unstable operation of the equipment, and thus reduced production efficiency and high energy consumption. In addition, in the same industry, the treatment method for the scarring on the bottom of the urea scraper is usually to organize personnel to enter the bottom of the pot and use manual methods to clean the scarring; for the rotating part of the scraper reducer, only the lubricating oil outlet is installed on the edge of the box to lubricate the equipment, and the lubrication effect of this method is poor.

[0003] Among them, the Chinese patent with the announcement number CN208340659U discloses a device for eliminating the hump of a urea scraper, including a granulation tower and a scraper at the bottom of the granulation tower. The scraper drives the scraper arm to rotate at the bottom of the granulation tower, and the slewing bearing of the scraper is connected to the scraper arm through the cross thereon, characterized in that: the scraper arm is a triangular scraper arm, a gas channel is arranged inside the triangular scraper arm, a nozzle is arranged at the scraper arm top corner of the triangular scraper arm, and the nozzle is connected to the gas channel; the gas pipe passes through the middle of the cross from the lower end of the slewing bearing upward and reaches the middle of the triangular scraper arm and the slewing bearing connecting plate, the connecting plates are sealed with a metal winding gasket, and a containerized mechanical seal is installed in the middle of the connecting plate. The device is simple to manufacture, requires little investment, and has low operating costs.

[0004] In view of the above problems, the equipment was studied and analyzed to improve the operating efficiency of the scraper equipment and achieve the goal of stable operation. Utility Model Content

[0005] In order to solve the problems of low operating efficiency, poor operating stability, poor lubrication effect, short service life, etc. of the scraper in the prior art, the utility model provides a urea scraper.

[0006] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is as follows:

[0007] A urea scraper comprises a scraper arm assembly, a granulation tower pot bottom, a driving assembly and a frame; a scraper arm assembly is arranged inside the granulation tower pot bottom, the scraper arm assembly comprises a first scraper arm, a second scraper arm and a scraper plate, and the first scraper arm and the second scraper arm are both provided with a scraper plate; a feed port is arranged on the granulation tower pot bottom, and the first scraper arm and the second scraper arm are connected at the feed port; a frame is arranged on the outer bottom surface of the granulation tower pot bottom, the frame comprises a gear assembly and a slewing bracket, the slewing bracket is connected to the gear assembly, and a discharge port is arranged at the bottom of the slewing bracket; a driving assembly is installed at the bottom of the frame, the driving assembly comprises a reducer and a driving motor, the driving motor transmits power to the reducer, and the rotation of the reducer drives the gear assembly to rotate; materials enter from the feed port, pass through the inside of the frame, and are discharged from the discharge port.

[0008] Based on the above technical solution, further, the scraper is provided with a first side surface, the first side surface is away from the first scraper arm or the second scraper arm, and the first side surface is in a parallel spatial position relationship with the first scraper arm and the second scraper arm, and the distance between the first side surface and the bottom surface inside the granulation tower pot is in the range of 3mm-7mm.

[0009] Based on the above technical solution, further, the upper end of the swivel bracket vertically extends upward and is connected to a transmission rod, and the transmission rod passes through the feed port and is fixedly connected to the connection position of the first scraper arm and the second scraper arm.

[0010] Based on the above technical solution, further, a baffle is arranged outside the transmission rod, the upper end of the baffle is installed on the bottom of the granulation tower pot, and the lower end of the baffle is directly opposite to the top of the rotating bracket and is suspended.

[0011] Based on the above technical solution, further, the drive assembly is provided with two groups, the two groups of drive assemblies are installed on different sides of the discharge port, and the reducer of each group of drive assemblies is connected to the gear assembly inside the frame through a rotating shaft.

[0012] Based on the above technical solution, further, the gear assembly includes a first gear and a second gear, two first gears are provided, and one second gear is provided, each first gear is meshed with the second gear, and each first gear is connected to a reducer through a rotating shaft.

[0013] Based on the above technical solution, further, the inner wall of the second gear is connected with a swivel bracket by bolts.

[0014] Based on the above technical solution, further, a gear structure is provided inside the reducer, a grease outlet is provided above the gear contact point on the gear structure, and the grease outlet is connected to an oil injection pump.

[0015] Based on the above technical solution, further, the acute angle between the first scraper arm and the second scraper arm ranges from 45° to 60°.

[0016] Compared with the prior art, the beneficial effects of the present invention are specifically embodied in:

[0017] (1) The urea scraper of the utility model reduces the distance between the material hanging equipment and the bottom of the urea granulation tower by adjusting the distance between the scraper, each scraper arm and the bottom of the urea granulation tower, so as to reduce the accumulation and scarring of urea particles, enhance the stability of the operation of the urea scraper, and improve the scraping efficiency.

[0018] (2) The utility model also adds multiple lubrication contact points inside the reducer, thereby improving the operating stability of the equipment; and because the equipment operating load is reduced, the power consumption can be reduced from the original 60 degrees / hour to 30 degrees / hour, the equipment wear is reduced, the equipment maintenance cost is saved, the frequency of cleaning the bottom of the pot by the operating personnel is reduced, the urea pot bottom fertilizer is reduced, and the dust and defective products are greatly reduced.

[0019] (3) The baffle plate of the present invention is provided to enable the material to be discharged from the discharge port more accurately, and to prevent the material from splashing during the falling process of the feed port and causing damage to other components in the frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is the structural layout diagram of the urea scraper of the utility model from top to bottom;

[0021] Figure 2 It is a partial structural schematic diagram of the upper end of the bottom of the granulation tower pot of the utility model;

[0022] Figure 3 It is a partial structural schematic diagram of the lower end of the pot bottom of the granulation tower of the utility model;

[0023] Figure 4 It is a schematic diagram of the structure of each gear and the slewing bracket inside the frame of the utility model;

[0024] Figure 5 It is a schematic diagram of the structure of the connection between the reducer of the utility model and the driving motor of the cross section;

[0025] Figure numerals: 1. first scraper arm; 2. second scraper arm; 3. scraper; 4. granulation tower bottom; 5. reducer; 6. drive motor; 7. feed port; 8. transmission rod; 9. frame; 10. first gear; 11. second gear; 12. rotating shaft; 13. fixed seat; 14. swivel bracket; 15. discharge port; 16. drive assembly. DETAILED DESCRIPTION

[0026] The present invention is further described and illustrated below in conjunction with the accompanying drawings and specific implementations. The technical features of each implementation of the present invention can be combined accordingly without conflicting with each other.

[0027] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed below. The technical features in each embodiment of the utility model can be combined accordingly without conflicting with each other.

[0028] In the description of the present utility model, it is necessary to understand that when an element is considered to be "connected" to another element, it can be directly connected to another element or indirectly connected, that is, there are intermediate elements. On the contrary, when an element is said to be "directly" connected to another element, there are no intermediate elements.

[0029] Example

[0030] Combination Figure 1-Figure 5 As shown, a urea scraper is implemented, including a scraper arm assembly, a granulation tower pot bottom 4, a drive assembly 16 and a frame 9, wherein the drive assembly 16 includes a reducer 5 and a drive motor 6, and a scraper arm assembly is arranged inside the granulation tower pot bottom 4, and the scraper arm assembly includes a first scraper arm 1, a second scraper arm 2 and a scraper 3, and the first scraper arm 1 and the second scraper arm 2 are connected by welding or integral molding, wherein the acute angle between the first scraper arm 1 and the second scraper arm 2 is preferably in the range of 45°-60°, and each of the first scraper arm 1 and the second scraper arm 2 is provided with a plurality of scrapers of the same structure The scrapers 3 are arranged at equal intervals below the first scraper arm 1 and the second scraper arm 2. The scrapers 3 are preferably in the shape of a quadrangular prism, one side of the quadrangular prism is set as a first side, the first side is far away from the first scraper arm 1 or the second scraper arm 2, and the first side is in a parallel spatial position relationship with the first scraper arm 1 or the second scraper arm 2. The bottom of the first side is the granulation tower pot bottom 4, and the entire scraper arm assembly works inside the granulation tower pot bottom 4, and the vertical distance between the bottom of the first side and the bottom surface of the inside of the granulation tower pot bottom 4 is in the range of 3mm-7mm, wherein Figure 2H in the middle represents the distance range. The inner bottom surface of the granulation tower pot bottom 4 has a certain inclined structure, and the inclination angle is preferably 10°-60°, which is the angle between the bottom surface of the granulation tower pot bottom 4 and the horizontal line parallel to the ground. Correspondingly, the first scraper arm 1 and the second scraper arm 2 also have a certain inclined structure, and the corresponding inclination angle is also preferably 10°-60°. The inner bottom surface of the granulation tower pot bottom 4 is preferably set as a plane structure, thereby ensuring that the distances between each scraper 3 installed under the first scraper arm 1 and the second scraper arm 2 and the inner bottom surface of the granulation tower pot bottom 4 are equal, so as to reduce the accumulation and scarring of urea particles in actual application, thereby enhancing the stability of the entire urea scraper operation and improving the scraping efficiency.

[0031] The granulation tower pot bottom 4 is provided with a feed port 7, and the connection position of the first scraper arm 1 and the second scraper arm 2 is the position where the feed port 7 is set. A frame 9 is fixedly connected below the granulation tower pot bottom 4, and a cavity is provided inside the frame 9. A swivel bracket 14 and a gear assembly are installed inside the cavity. The swivel bracket 14 is preferably set as a cross swivel bracket. The upper end of the swivel bracket 14 extends vertically upward and is connected with a transmission rod 8. The transmission rod 8 passes through the feed port 7 and is fixedly connected to the connection position of the first scraper arm 1 and the second scraper arm 2. That is, the first scraper arm 1 and the second scraper arm 2 are both connected to the upper end of the transmission rod 8. There is a gap between the transmission rod 8 and the feed port 7, which facilitates the material to enter the frame 9 from the gap. A discharge port 15 is provided at the bottom of the frame 9, and specifically, a discharge port 15 is provided at the bottom of the swivel bracket 14. Among them, a feed baffle can be arranged outside the transmission rod 8, the upper end of the baffle is installed at the bottom of the granulation tower pot bottom 4, and the lower end of the baffle is suspended opposite to the cross swivel bracket. The baffle is arranged around the periphery of the transmission rod, and a space for material unloading is reserved between the inner wall of the baffle and the outer surface of the transmission rod 8. The baffle is set to allow the material to be discharged from the discharge port 15 more accurately, while avoiding the operation of other components in the frame 9 due to splashing during the falling process of the feed port 7.

[0032] A set of driving components 16 are respectively arranged on both sides of the discharge port 15. The driving motor 6 and the reducer 5 in the same set of driving components 16 are connected. The driving motor 6 is fixed to the bottom of the frame 9 through a fixing seat 13. Specifically, the output end of the driving motor 6 transmits power to the reducer 5, and the reducer 5 is connected to the frame 9 through a rotating shaft 12. The frame 9 is provided with a gear assembly, combined with Figure 4As shown, the gear assembly includes a first gear 10 and a second gear 11, wherein two first gears 10 are provided and one second gear 11 is provided, the two first gears 10 are symmetrically arranged on both sides of the second gear 11, and the two first gears 10 are respectively meshed with the second gear 11, and each reducer 5 is connected to a corresponding first gear 10 through a corresponding rotating shaft 12. Specifically, one end of each rotating shaft 12 is respectively fixedly connected to the middle part of a first gear 10, and the first gear 10 can be driven to rotate by the rotation of the rotating shaft 12, and the two first gears 10 are meshed with the second gear 11 at the same time, and the second gear 11 is driven by the movement of the two first gears 10. , wherein the swivel bracket 14 is installed inside the second gear 11 by bolts. When the second gear 11 rotates, it drives the swivel bracket 14 to rotate. The swivel bracket 14 rotates, which drives the transmission rod 8 connected to its upper end to rotate. The transmission rod 8 rotates and drives the scraper arm assembly to move inside the granulation tower pot bottom 4. The bottom of the swivel bracket 14 is connected to the discharge port 15, and the discharge port 15 rotates with the rotation of the swivel bracket 14. In order to prevent the falling material from spilling outside the discharge port 15, the diameter of the position where the discharge port 15 is connected to the bottom of the swivel bracket 14 is set to be exactly equal to the inner diameter of the second gear 11. The upper end of the swivel bracket 14 is connected to the transmission rod 8.

[0033] The reducer 5 is provided with a gear structure inside, and a grease outlet is added above each gear contact point. The grease outlet is connected to the oil filling pump, and oil is automatically filled by the electric oil filling pump. The contact point of the gears inside the reducer 5 is a unique property of the reducer 5. According to this property, a grease outlet is correspondingly provided above it to facilitate the operation of the staff, increase the lubrication effect of the reducer 5, and thus improve the lubrication effect of the entire scraper. The reducer 5 is connected to the output end of the drive motor 6, and the drive motor 6 transmits power to the reducer 5.

[0034] The working principle of the device is as follows: each driving motor 6 is started, each driving motor 6 drives the reducer 5 connected to the corresponding power, the reducer 5 is started to drive the two first gears 10 and the second gear 11 inside the frame 9 to rotate, and the second gear 11 rotates to drive the rotating bracket 14 meshed with it to rotate, the rotating bracket 14 rotates to drive the first scraper arm 1 and the second scraper arm 2 connected to its upper end inside the granulation tower pot bottom 4, and the first scraper arm 1 and the second scraper arm 2 rotate to drive a plurality of scrapers 3 to rotate, the scraper 3 rotates to drive the material located inside the granulation tower pot bottom 4 to enter from the feed port 7, pass through the inside of the frame 9, and be output to the position of the discharge port 15, and then the material is discharged from the discharge port 15 and falls onto the conveyor belt at its lower end to be transported to the next packaging process.

[0035] The above is only an implementation method of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A urea scraper, characterized in that: Including scraper arm assembly, granulation tower bottom, drive assembly and frame, A scraper arm assembly is provided inside the bottom of the granulation tower, and the scraper arm assembly includes a first scraper arm, a second scraper arm and a scraper plate, and the first scraper arm and the second scraper arm are both provided with a scraper plate; A feed inlet is provided on the bottom of the granulation tower pot, and a first scraper arm and a second scraper arm are connected at the feed inlet; A frame is provided on the outer bottom surface of the granulation tower pot bottom, and the frame includes a gear assembly and a slewing bracket, the slewing bracket is connected to the gear assembly, and a discharge port is provided at the bottom of the slewing bracket; The drive assembly is installed at the bottom of the frame. The drive assembly includes a reducer and a drive motor. The drive motor transmits power to the reducer, and the rotation of the reducer drives the gear assembly to rotate; The material enters from the feed port, passes through the inside of the frame, and is discharged from the discharge port.

2. A urea scraper according to claim 1, characterized in that: The scraper is provided with a first side surface, the first side surface is far away from the first scraper arm or the second scraper arm, and the first side surface is in a parallel spatial position relationship with the first scraper arm and the second scraper arm. The distance between the first side surface and the bottom surface inside the granulation tower pot bottom ranges from 3mm to 7mm.

3. A urea scraper according to claim 1, characterized in that: The upper end of the swivel bracket vertically extends upward and is connected to a transmission rod, which passes through the feed port and is fixedly connected to the connection position of the first scraper arm and the second scraper arm.

4. A urea scraper according to claim 3, characterized in that: The transmission rod is surrounded by a baffle plate, the upper end of which is mounted on the bottom of the granulation tower pot, and the lower end of which is directly opposite to the top of the slewing bracket and is suspended.

5. The urea scraper according to claim 1, characterized in that: The drive assembly is provided with two groups, and the two groups of drive assemblies are installed on different sides of the discharge port, and the reducer of each group of drive assemblies is connected to the gear assembly inside the frame through a rotating shaft.

6. A urea scraper according to claim 5, characterized in that: The gear assembly includes a first gear and a second gear, wherein two first gears are provided and one second gear is provided, each first gear is meshed with the second gear, and each first gear is connected to a reducer via a rotating shaft.

7. A urea scraper according to claim 6, characterized in that: The inner wall of the second gear is connected with a swivel bracket via bolts.

8. The urea scraper according to claim 1, characterized in that: A gear structure is arranged inside the reducer, a grease outlet is arranged above the gear contact point on the gear structure, and the grease outlet is connected to the oil injection pump.

9. The urea scraper according to claim 1, characterized in that: The acute angle between the first scraper arm and the second scraper arm is in the range of 45°-60°.

Images