Drum screen for sorting compound fertilizer

By designing a support frame to drive the screen cylinder to rotate and equipping it with a scraper to clean the dust, the problem of dust accumulation on the inner wall of the drum screen is solved, achieving a clean and efficient screening effect for the drum screen.

CN223698390UActive Publication Date: 2025-12-23SHANDONG OUHUA CHEM CO LTD
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Patent Information

Application Number
CN202423272789.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-23
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

In the process of compound fertilizer production, dust accumulates on the inner wall of existing rotary drum screens for extended periods, affecting the equipment's performance.

Method used

A drum screen assembly including a support frame, a screen cylinder, and a scraper blade is designed. The screen cylinder is driven to rotate by the tilting angle of the support frame, and the scraper blade scrapes the dust on the inner wall. The support rod and collar structure ensure the stable movement of the scraper blade, thereby achieving dust removal.

Benefits of technology

This achieves a cleaning effect inside the drum screen, with dust being scraped off and falling to the bottom, ensuring screening efficiency and equipment hygiene.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223698390U_ABST
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Abstract

The utility model discloses a drum screen for compound fertilizer sorting, and belongs to the field of drum screens. The device mainly comprises a drum screen assembly, a cleaning assembly is fixedly installed in the drum screen assembly, the drum screen assembly comprises a supporting frame, the supporting frame has a certain inclination angle, the cleaning assembly comprises a drum scraping plate, the drum scraping plate is installed on the inner wall of a screen drum in a sliding mode, a supporting rod is fixedly installed on the drum scraping plate, and the supporting rod is connected with the drum scraping plate in a sliding mode. The length of the supporting rod extends to the end of the screen drum, the supporting rod can be held, according to the drum screen for compound fertilizer sorting, through rotation of the screen drum, a compound fertilizer material in the screen drum can achieve the screening effect, meanwhile, the drum scraping plate can move back and forth in the screen drum, the screening effect is good, and the screening effect is good. According to the device, dust adsorbed on the inner wall of the screen drum for a long time can be scraped, so that the dust falls to the bottom of the screen drum and is separated from the interior of the screen drum along with continuous movement of the screen drum, and then the cleaning effect of the interior of the screen drum can be guaranteed.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of drum screens, in particular to a drum screen for compound fertilizer sorting. BACKGROUND

[0002] Compound fertilizer is a kind of fertilizer containing two or more than two nutrient elements, usually containing nitrogen, phosphorus and potassium and other main nutrient components required by plants, which can provide comprehensive nutrition for plants, promote plant growth and improve yield, and the drum screen for compound fertilizer sorting is a kind of equipment for screening and sorting compound fertilizer particles, which is usually applied to the last process in the production process of compound fertilizer to ensure that the product meets the particle size requirement and reaches the quality standard.

[0003] At present, in the drum screen equipment used by us, the drum screen main body is arranged on the equipment, the drum screen contains a cavity inside, so that the compound fertilizer can be contained in the drum screen, and a driving piece for driving the drum screen is further arranged on the equipment, so that the drum screen can rotate, and the material in the drum screen can realize the screening effect. However, when the equipment continuously screens the compound fertilizer material, some dust is contained in the material, the dust is adsorbed on the inner wall of the drum screen for a long time, and the use effect of the drum screen as a whole is affected if the dust is not cleaned for a long time.

[0004] Therefore, it is necessary to provide the drum screen for compound fertilizer sorting to solve the above problems. CONTENT OF THE INVENTION

[0005] Based on the above problems existing in the prior art, the application aims to solve the problem of providing the drum screen for compound fertilizer sorting, which can realize the scraping and cleaning effect of the inside of the drum screen.

[0006] The technical scheme adopted by the application to solve the technical problems is: the drum screen for compound fertilizer sorting, comprising a drum screen assembly, a cleaning assembly is fixedly installed inside the drum screen assembly, the drum screen assembly comprises a support frame, the support frame has a certain inclination angle, a screen cylinder is arranged on the support frame, the screen cylinder is inclined through the inclination angle of the support frame, the cleaning assembly comprises a scraping cylinder plate, the scraping cylinder plate is slidingly installed on the inner wall of the screen cylinder, a support rod is fixedly installed on the scraping cylinder plate, the length of the support rod extends to the end of the screen cylinder, and the support rod can be held.

[0007] Further, a plurality of limiting strips are fixedly installed at the end of the screen cylinder, and the limiting strips can limit the scraping cylinder plate.

[0008] Further, a fixing strip is fixedly installed inside the other end of the screen cylinder, a sleeve ring is fixedly installed on the fixing strip, and the support rod can be fitted and slid in the sleeve ring.

[0009] Further, the inside of the screen cylinder is fixedly provided with a sleeve rod a, the sleeve rod b is sleeved on the sleeve rod a, the spring is arranged between the sleeve rod a and the sleeve rod b, the sleeve rod a and the sleeve rod b have the elastic expansion function, one side of the sleeve rod b penetrates one end of the spring, and the through hole is arranged on the sleeve rod b close to the sleeve rod b.

[0010] Further, the support frame is fixedly provided with a baffle, and the baffle can cover the outside of the screen cylinder.

[0011] Further, the support frame is fixedly provided with a guide plate, the guide plate is close to one end of the screen cylinder, and the guide plate is inclined to one side of the screen cylinder.

[0012] Further, a plurality of groups of bearing blocks are fixedly arranged on the support frame, the rotating shaft is arranged on the bearing of the plurality of groups of bearing blocks, the rotating shaft is located at both ends of the support frame, the roller is fixedly arranged on the rotating shaft, the screen cylinder is placed on the roller, the screen cylinder is inclined through the inclination angle of the support frame, the motor is fixedly arranged on the support frame, and the motor can rotationally drive the rotating shaft.

[0013] The beneficial effects of the present application are:

[0014] The roller screen for compound fertilizer sorting provided by the present application can realize screening effect of the compound fertilizer material in the screen cylinder through rotation of the screen cylinder, the scraper plate can move back and forth in the screen cylinder, dust adsorbed on the inner wall of the screen cylinder for a long time can be scraped, so that the dust falls to the bottom of the screen cylinder, and the dust is separated from the inside of the screen cylinder as the screen cylinder continues to move, thereby ensuring the cleaning effect of the inside of the screen cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings accompanying the specification of the present application form a part of the present application, which serve to provide further understanding of the present application, the illustrative embodiments of the present application and the explanations thereof serve to explain the present application, and do not constitute improper limitations on the present application.

[0016] In the drawings:

[0017] Figure 1 It is the overall schematic view of the roller screen for compound fertilizer sorting in the present application;

[0018] Figure 2 It is Figure 1 the screen cylinder of the roller screen assembly in the present application;

[0019] Figure 3 It is Figure 2 the screen cylinder of the roller screen assembly in the present application;

[0020] Figure 4 It isFigure 3 Limiting strip schematic diagram of middle roller screen assembly;

[0021] Figure 5 For Figure 3 Cleaning assembly schematic diagram;

[0022] Figure 6 For Figure 5 Supporting rod schematic diagram of cleaning assembly;

[0023] In the figure, each reference sign:

[0024] 10, roller screen assembly; 11, support frame; 12, motor; 13, guide plate; 14, screen cylinder; 15, baffle; 16, roller; 17, rotating shaft; 18, bearing block;

[0025] 20, cleaning assembly; 21, scraping cylinder plate; 22, supporting rod; 23, limiting strip; 24, collar; 25, fixed strip; 26, through hole; 27, sleeve rod a; 28, spring; 29, sleeve rod b. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The technical solutions in the embodiments of the present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] In order to enable the persons skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the persons skilled in the art without creative labor should belong to the protection scope of the present application.

[0028] As Figures 1-6 shown, the present application provides a roller screen for compound fertilizer sorting, which comprises a roller screen assembly 10 and a cleaning assembly 20 fixedly installed inside the roller screen assembly 10, wherein the roller screen assembly 10 is used for concentrated screening work of the compound fertilizer material, so that the compound fertilizer can reach the appropriate size standard, and the cleaning assembly 20 is used for cleaning work of the dust accumulated inside the roller screen assembly 10 after long time use, so as to ensure the cleaning effect inside the roller screen assembly 10.

[0029] The roller screen assembly 10 comprises a support frame 11, the top of which has a certain inclination angle, and a plurality of bearing blocks 18 are fixedly installed on the support frame 11, the rotating shaft 17 is bearingly installed on the bearing blocks 18, the rotating shaft 17 is located at both ends of the support frame 11, and the rotating shaft 17 is fixedly installed with a roller 16, the screen cylinder 14 is placed on the roller 16, and the screen cylinder 14 is inclined through the inclination angle of the support frame 11, a motor 12 is fixedly installed on the support frame 11, the motor 12 can rotate and drive the rotating shaft 17, so that when the motor 12 is turned on, the rotating shaft 17 will rotate, and then the roller 16 will drive the screen cylinder 14 to rotate synchronously, the inside of the screen cylinder 14 can place compound fertilizer materials, so that when the screen cylinder 14 rotates and rolls, the materials will be screened, and the fine materials will be screened to the bottom of the screen cylinder 14, and the larger materials will fall to the low position direction through the inclined screen cylinder 14.

[0030] The support frame 11 is fixedly installed with a guide plate 13, the guide plate 13 is close to one end of the screen cylinder 14, and the guide plate 13 is inclined to one side of the screen cylinder 14, so that the compound fertilizer materials can quickly slide into the inside of the screen cylinder 14 through the guide plate 13, and the use safety and convenience of the equipment are improved.

[0031] The support frame 11 is fixedly installed with a baffle 15, and the baffle 15 can cover the outside of the screen cylinder 14, so that the dust generated by the screen cylinder 14 during rotation can be blocked by the baffle 15, so that the dust can be prevented from spreading to the outside of the equipment, and the environmental sanitation effect of the screen cylinder 14 during work is improved.

[0032] The cleaning assembly 20 comprises a scraping cylinder plate 21 which is slidingly installed on the inner wall of the screen cylinder 14, and a support rod 22 is fixedly installed on the scraping cylinder plate 21, the length of the support rod 22 extends to the end of the screen cylinder 14, so that the support rod 22 can be held, and by pulling the support rod 22 outward, the scraping cylinder plate 21 can move in the inside of the screen cylinder 14, so that the dust accumulated on the inner wall of the screen cylinder 14 can be scraped by the scraping cylinder plate 21, and then the dust will fall to the bottom of the screen cylinder 14, and as the screen cylinder 14 continues to move, the dust will be separated in the inside of the screen cylinder 14, so that the cleaning effect of the inside of the screen cylinder 14 can be ensured.

[0033] Meanwhile, a plurality of limiting strips 23 are fixedly installed at the ends of the screen cylinder 14, and the limiting strips 23 can limit the scraping cylinder plate 21, so that when the scraping cylinder plate 21 moves in the inside of the screen cylinder 14, the scraping cylinder plate 21 is blocked by the limiting strips 23, so that the scraping cylinder plate 21 can avoid moving to the outside of the screen cylinder 14 and falling off, and the stability of the use of the scraping cylinder plate 21 is improved.

[0034] And the other end of the screen cylinder 14 is fixedly installed with a fixed strip 25, the fixed strip 25 is fixedly installed with a sleeve ring 24, and the supporting rod 22 can be fitted and slid in the inside of the sleeve ring 24, so that when the supporting rod 22 pulls the scraping cylinder plate 21, the sleeve ring 24 can limit the supporting rod 22, so that the supporting rod 22 can avoid shaking when moving, and the stability of the scraping cylinder plate 21 moving in the inner wall of the screen cylinder 14 can be improved.

[0035] The inside of the screen cylinder 14 is fixedly installed with a sleeve rod a 27, and the sleeve rod a 27 is sleeved with a sleeve rod b 29, and the sleeve rod a 27 and the sleeve rod b 29 are provided with a spring 28, so that the sleeve rod a 27 and the sleeve rod b 29 have elastic expansion function, and one end of the spring 28 penetrates the sleeve rod b 29, and the supporting rod 22 is provided with a through hole 26 near the sleeve rod b 29, and the through hole 26 and the sleeve rod b 29 are matched with each other, so that when the through hole 26 is close to the sleeve rod b 29, the sleeve rod b 29 can enter the through hole 26 through the spring 28, so that the supporting rod 22 can be limited and fixed in the inside of the screen cylinder 14, so that when the screen cylinder 14 works, the scraping cylinder plate 21 can avoid moving, and when the scraping cylinder plate 21 needs to be used, the sleeve rod b 29 can be pulled outwards, so that the sleeve rod b 29 can be separated from the through hole 26, so that the supporting rod 22 loses the limiting and fixing, and then the supporting rod 22 can be pulled and used again.

[0036] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A trommel for the separation of compound fertilisers comprising a trommel assembly (10) characterised in that: The inside of the drum screen assembly (10) is fixedly installed with a cleaning assembly (20), the drum screen assembly (10) comprises a support frame (11), the support frame (11) has a certain inclination angle, a screen drum (14) is arranged on the support frame (11), the screen drum (14) inclines with the inclination of the support frame (11), the cleaning assembly (20) comprises a scraping drum plate (21), the scraping drum plate (21) is slidingly installed on the inner wall of the screen drum (14), a support rod (22) is fixedly installed on the scraping drum plate (21), the length of the support rod (22) extends to the end of the screen drum (14), and the support rod (22) can be held.

2. A trommel for the sizing of compound fertilisers according to claim 1 characterised in that: A plurality of limiting strips (23) are fixedly installed at the end of the screen drum (14), and the limiting strips (23) can limit the scraping drum plate (21).

3. A drum screen for the separation of compound fertilizers according to claim 2, characterized in that A fixed strip (25) is fixedly installed in the other end of the screen drum (14), a sleeve ring (24) is fixedly installed on the fixed strip (25), and the support rod (22) can be fitted and slid in the sleeve ring (24).

4. A trommel for the sizing of compound fertilisers according to claim 3, characterised in that: A sleeve rod a (27) is fixedly installed in the screen drum (14), a sleeve rod b (29) is sleeved on the sleeve rod a (27), springs (28) are arranged between the sleeve rod a (27) and the sleeve rod b (29), the sleeve rod a (27) and the sleeve rod b (29) have an elastic expansion function, one side of the sleeve rod b (29) penetrates one end of the spring (28), a through hole (26) is formed in the support rod (22) close to the sleeve rod b (29), and the through hole (26) and the sleeve rod b (29) are matched with each other.

5. The tumbling screen for the separation of compound fertilizers according to claim 1, characterized in that: A baffle (15) is fixedly installed on the support frame (11), and the baffle (15) can cover the outside of the screen drum (14).

6. A drum screen for the separation of compound fertilizers according to claim 5, characterized in that A guide plate (13) is fixedly installed on the support frame (11), the guide plate (13) is close to one end of the screen drum (14), and the guide plate (13) inclines to one side of the screen drum (14).

7. A drum screen for the separation of compound fertilizers according to claim 6, characterized in that A plurality of bearing blocks (18) are fixedly installed on the support frame (11), rotating shafts (17) are rotatably installed on the plurality of bearing blocks (18), the rotating shafts (17) are located at both ends of the support frame (11), the rotating shafts (17) are fixedly installed with rollers (16), the screen drum (14) is placed on the rollers (16), a motor (12) is fixedly installed on the support frame (11), and the motor (12) can rotationally drive the rotating shafts (17).