CN-224221986-U - Adjustable round roller sieve roll gap cleaning device

CN224221986UCN 224221986 UCN224221986 UCN 224221986UCN-224221986-U

Abstract

The utility model discloses an adjustable round roller screen gap cleaning device, and relates to the technical field of metallurgical green ball screening. The device comprises a sliding mechanism, a supporting mechanism and a cleaning mechanism. The cleaning mechanism comprises a driving wheel set, a driven wheel set, a bearing seat, a fixed plate and a plurality of cleaning pieces, wherein the cleaning pieces are slidingly arranged on the supporting mechanism, one end of each cleaning piece is fixed on the fixed plate, the other end of each cleaning piece stretches into a roll gap, and the cleaning pieces are driven by the fixed plate to move along the roll gap to clean plugs. The clearance between cleaning members can be adjusted according to the gap between rollers, and the fixing plate can rotate by 45 degrees and 90 degrees. The device has the advantages of simple structure, high cleaning efficiency, convenient maintenance, no influence on production due to online cleaning, high safety, suitability for round roller sieves of different models, and remarkable improvement on screening efficiency and equipment stability.

Inventors

HE FEI
LUO LEI
LI YONG

Assignees

重庆赛迪热工环保工程技术有限公司

Dates

Publication Date: 20260512
Application Date: 20250514

Claims (7)

1. The adjustable round roller screen gap cleaning device is characterized by comprising a sliding mechanism, a supporting mechanism and a cleaning mechanism; The sliding mechanism is arranged on the round roller screen support and is arranged in parallel along the upstream feeding direction of the round roller screen; the supporting mechanism is arranged on the sliding mechanism and spans over the round roller screen; The cleaning mechanism comprises a fixed plate and a plurality of cleaning pieces which are arranged at intervals, wherein the fixed plate is arranged on the supporting mechanism in a sliding mode, one end of each cleaning piece is fixed on the fixed plate, and the other end of each cleaning piece stretches into a roller gap of the round roller screen and moves along the roller gap under the driving of the fixed plate, so that the roller gap is cleaned.
2. The adjustable round roller screen gap cleaning device of claim 1, wherein the fixing plate is provided with a gap, the cleaning pieces are arranged in the gap and fixed through nuts, and the distance between the cleaning pieces can be adjusted according to the gap between the round roller screen gaps.
3. The adjustable round roller screen gap cleaning device according to claim 1, wherein the sliding mechanism comprises a sliding rail, a driving sliding block and a driven sliding block, the sliding rail is arranged on the round roller screen support, the driving sliding block and the driven sliding block are arranged at the bottom of the supporting mechanism and are in sliding fit with the sliding rail, and a motor is arranged on the driving sliding block and used for driving the driven sliding block to move on the sliding rail.
4. The adjustable round roller screen gap cleaning device according to claim 1, wherein the supporting mechanism comprises a stand column, a cross beam and a vertical beam, the stand column is mounted on the sliding mechanism, the cross beam and the vertical beam are mounted above the stand column and are connected with each other to form a cuboid frame structure, and the cleaning mechanism is mounted on the cross beam and is in sliding fit with the cross beam.
5. The adjustable round roller screen gap cleaning device of claim 1, wherein the cleaning mechanism further comprises a driving wheel set, a driven wheel set and a bearing seat, the driving wheel set and the driven wheel set are respectively positioned at two ends of the fixed plate, each driving wheel set and each driven wheel set comprises a side plate, a bottom plate and wheels, the side plates and the bottom plates are combined to form a U-shaped structure, the wheels are arranged on the inner sides of the U-shaped structure, the fixed plate is rotatably arranged on the bottom plate through the bearing seat, and a motor is arranged on the driving wheel set to provide power for the cleaning mechanism and move back and forth along the direction of the round roller screen gap to clean.
6. The adjustable round roller sieve roll gap cleaning device of claim 5, wherein the fixed plate is connected with a hydraulic push rod device at one end of the driven wheel group, and the fixed plate is pushed by the hydraulic push rod device to rotate at two points of 45 degrees and 90 degrees.
7. The adjustable round roller screen gap cleaning device of claim 2, wherein the cleaning members are of rod-shaped structures, and each cleaning member is fixed on the fixing plate through upper and lower double nuts and can be independently disassembled.

Description

Adjustable round roller sieve roll gap cleaning device Technical Field The utility model belongs to the technical field of metallurgical green ball screening, and relates to an adjustable round roller screen gap cleaning device. Background The round roller screen is a key device widely applied to the production line of a rotary hearth furnace in the metallurgical industry, and is mainly used for classifying and screening the particle size of green pellets so as to ensure the smooth proceeding of downstream drying and reduction procedures. The screening efficiency directly influences the quality of green pellets and the overall stability of the production line. However, in actual production, many challenges are often faced due to the complex material characteristics of the upstream pelletizing process. Firstly, the fluctuation of the water content of the material is large, and wet powder is easy to adhere to the roller surface of the round roller screen to form a bonding layer which is difficult to clean. Secondly, the balling rate of the balling process is lower, so that the proportion of powder is increased, the powder is accumulated in the roll gap, and the reduction of screening efficiency is further aggravated. In addition, raw ball particle size distribution is uneven, and the roll gap is easily blocked by massive materials, so that the screening effect is seriously affected, and even the equipment is likely to be stopped. These problems not only reduce production efficiency, but also increase difficulty and cost of equipment maintenance. Aiming at the problem of blockage of the roll gap of the round roller screen, the traditional solution mainly relies on manual cleaning. Operators typically use round steel or other simple tools to clean the bonded wet powder and bulk material one by one along each roll gap. This approach has various disadvantages. First, the labor intensity of manual cleaning is high, and particularly when handling large round roller sieves, operators need to repeat high-intensity operations for a long time, which is easy to cause fatigue. Secondly, the cleaning efficiency is low. Because the roller gaps of the round roller screen are large in number and small in distance, cleaning time is long one by one, and continuous production requirements are difficult to meet. In addition, manual cleaning also has certain potential safety hazards. For example, during operation or maintenance of the apparatus, the operator needs to be close to the rotating roll surface, and safety accidents may be caused by a little carelessness. More importantly, manual cleaning is difficult to realize accurate cleaning of the roll gaps, and particularly under the condition that the roll gap distance is small or plugs are relatively stubborn, the cleaning effect is often not ideal, and the long-term stable operation of screening equipment is influenced. In recent years, aiming at the problem of cleaning the roll gap of the round roller screen, a plurality of improvements are also proposed in the industry. For example, some businesses attempt to remove plugs from roll surfaces and roll gaps by pneumatic cleaning devices. However, although the pneumatic cleaning device can blow away powder to a certain extent, the cleaning capability of the pneumatic cleaning device on massive materials or stubborn adhesives is insufficient, and the running cost of equipment is high. In addition, some existing automatic cleaning devices are generally complex in structure, high in installation and maintenance cost, poor in adaptability to different roll gap distances and difficult to meet the diversity requirements of round roller sieve types and process conditions in actual production. In summary, the prior art still has the problems of high labor intensity, low efficiency, poor safety, insufficient adaptability and the like in the aspect of cleaning the roll gaps of the round roller screen. Therefore, a device capable of efficiently, conveniently and safely cleaning the roller gap of the round roller screen is needed to adapt to different roller gap distances and production conditions, meanwhile, the dependence of manual operation is reduced, and the automation level and the running stability of a production line are improved. Disclosure of utility model Accordingly, the present utility model is directed to a cleaning device for cleaning the gap between round roller and screen. In order to achieve the above purpose, the present utility model provides the following technical solutions: An adjustable round roller screen gap cleaning device comprises a sliding mechanism, a supporting mechanism and a cleaning mechanism; The sliding mechanism is arranged on the round roller screen support and is arranged in parallel along the upstream feeding direction of the round roller screen; the supporting mechanism is arranged on the sliding mechanism and spans over the round roller screen; The cleaning mechanism comprises a fixed plate and a