Search

CN-224207575-U - Filter cloth cleaning device of vacuum belt dehydrator

CN224207575UCN 224207575 UCN224207575 UCN 224207575UCN-224207575-U

Abstract

The utility model relates to a filter cloth cleaning device of a vacuum belt dehydrator, which comprises a scraper component, a spraying component and a vibration component, wherein the scraper component comprises a front scraper and a rear scraper, the front scraper forms an included angle of 50-70 degrees with the surface of the filter cloth, the rear scraper forms an included angle of 20-40 degrees with the surface of the filter cloth, the spraying component is arranged at the rear of the scraper component and comprises a plurality of nozzles which are distributed at intervals along the width direction of the filter cloth, the vibration component is arranged above the spraying component and comprises a vibration bracket, a vibration plate and a vibration motor, the vibration motor is arranged on the vibration plate, and the vibration plate is attached to the upper surface of the filter cloth and covers a spraying area of the spraying component. According to the utility model, most solid impurities and residues on the surface of the filter cloth can be effectively scraped through the arrangement of the included angle between the front scraper and the rear scraper, and the spray assembly is matched with the vibration assembly, so that the impurities on the surface of the filter cloth can be loosened under the vibration action, the spray liquid can be promoted to better permeate and wash the filter cloth, the cleaning effect is further improved, and the dirt residue is reduced.

Inventors

  • HUANG ZHIMING

Assignees

  • 浙江核兴过滤科技有限公司

Dates

Publication Date
20260508
Application Date
20250528

Claims (8)

  1. 1. A filter cloth cleaning device of a vacuum belt dehydrator, comprising: The scraper assembly (2) is arranged below the filter cloth and comprises a front scraper (201) and a rear scraper (202) which are sequentially arranged along the running direction of the filter cloth, wherein an included angle of 50-70 degrees is formed between the front scraper (201) and the surface of the filter cloth, and an included angle of 20-40 degrees is formed between the rear scraper (202) and the surface of the filter cloth; The spraying assembly (3) is arranged behind the scraper assembly (2) and comprises a plurality of nozzles (302) which are distributed at intervals along the width direction of the filter cloth; Vibration subassembly (4) set up spray the top of subassembly (3), including vibration support (401), vibrating plate (402) and vibrating motor (403), vibrating motor (403) set up on vibrating plate (402), vibrating plate (402) are leaned on filter cloth upper surface, and cover spray the regional of subassembly (3).
  2. 2. The filter cloth cleaning device of the vacuum belt dehydrator according to claim 1, wherein the scraper assembly (2) further comprises a scraper bracket (203), the front scraper (201) is installed on the installation frame (1) through the scraper bracket (203), and a cylinder (204) is arranged between the scraper bracket (203) and the installation frame (1).
  3. 3. The filter cloth cleaning device of the vacuum belt dehydrator according to claim 2, wherein a buffer spring (205) is arranged at the end part of a piston rod of the air cylinder (204), and the other end of the buffer spring (205) is connected to the scraper bracket (203).
  4. 4. The filter cloth cleaning device of a vacuum belt dehydrator according to claim 1, wherein said scraper assembly (2) further comprises a front redirecting roller (206) and a rear redirecting roller (207), said rear redirecting roller (207) is disposed above said front redirecting roller (206), and said rear scraper (202) is disposed at one side of said front redirecting roller (206).
  5. 5. The filter cloth cleaning device of a vacuum belt dehydrator according to claim 1, wherein said nozzle (302) is disposed obliquely with respect to the surface of the filter cloth, and the spraying direction is the front upper direction.
  6. 6. The filter cloth cleaning device of the vacuum belt dehydrator according to claim 5, wherein a baffle plate (304) is arranged at the outlet of the nozzle (302), a fixing sleeve (303) is fixedly arranged on the outer side of the nozzle (302), one end of the baffle plate (304) is hinged to the fixing sleeve (303), and a reset spring (305) is connected between the fixing sleeve (303) and the baffle plate (304).
  7. 7. The filter cloth cleaning device of the vacuum belt dehydrator according to claim 1, wherein guide rods (404) are arranged at two ends of the vibrating plate (402), the guide rods (404) are inserted on the vibrating support (401), and damping springs (405) are sleeved on the guide rods (404).
  8. 8. The filter cloth cleaning device of the vacuum belt dehydrator according to claim 7, wherein protruding ribs (406) are arranged on the lower surface of the vibrating plate (402), and the protruding ribs (406) are distributed at intervals in the front-back direction of the filter cloth running direction.

Description

Filter cloth cleaning device of vacuum belt dehydrator Technical Field The utility model relates to the technical field of vacuum belt dehydrators, in particular to a filter cloth cleaning device of a vacuum belt dehydrator. Background The vacuum belt dehydrator realizes solid-liquid separation through vacuum negative pressure, and the filter cloth is used as a core filter medium, so that pores are blocked easily when the filter cloth contacts sludge, particulate matters and the like for a long time. High pressure cleaners are commonly used to flush filter cloths for filter cloth clogging problems. The traditional filter cloth cleaning device is disclosed in Chinese patent publication No. CN221656016U, for example, a cleaning device for a turning part of a filter cloth at a discharging opening of a vacuum belt dehydrator is started when the vacuum belt dehydrator operates, the flushing device is arranged at the upper end of a guide inclined plate to flush towards a guide surface, when gypsum on the filter cloth falls on the guide inclined plate, the flushing device can flush the gypsum on the guide inclined plate clean in time, and the problem that excessive gypsum accumulation cannot be flushed in time can be effectively avoided, but the device has the following problems of low cleaning efficiency, invalidation of microparticles embedded in the deep layer of the filter cloth due to surface dirt removal only, high water consumption and serious resource waste. Disclosure of utility model The utility model aims to provide a filter cloth cleaning device of a vacuum belt dehydrator, which aims to solve the problems in the background technology. The utility model aims at realizing the technical scheme that the filter cloth cleaning device of the vacuum belt dehydrator comprises the following components: The scraper component is arranged below the filter cloth and comprises a front scraper and a rear scraper which are sequentially arranged along the running direction of the filter cloth, wherein an included angle of 50-70 degrees is formed between the front scraper and the surface of the filter cloth, and an included angle of 20-40 degrees is formed between the rear scraper and the surface of the filter cloth; the spraying assembly is arranged at the rear of the scraper assembly and comprises a plurality of spray nozzles which are distributed at intervals along the width direction of the filter cloth; The vibration assembly is arranged above the spraying assembly and comprises a vibration support, a vibration plate and a vibration motor, wherein the vibration motor is arranged on the vibration plate, and the vibration plate is attached to the upper surface of the filter cloth and covers the spraying area of the spraying assembly. Preferably, the scraper assembly further comprises a scraper bracket, the front scraper is mounted on the mounting frame through the scraper bracket, and an air cylinder is arranged between the scraper bracket and the mounting frame. Preferably, a buffer spring is arranged at the end part of a piston rod of the air cylinder, and the other end of the buffer spring is connected to the scraper bracket. Preferably, the scraper assembly further comprises a front redirecting roller and a rear redirecting roller, the rear redirecting roller is arranged above the front redirecting roller, and the rear scraper is arranged on one side of the front redirecting roller. Preferably, the spray nozzle is inclined with respect to the surface of the filter cloth, and the spray direction is front upper. Preferably, a baffle is arranged at the outlet of the nozzle, a fixed sleeve is fixedly arranged on the outer side of the nozzle, one end of the baffle is hinged to the fixed sleeve, and a reset spring is connected between the fixed sleeve and the baffle. Preferably, guide rods are arranged at two ends of the vibrating plate, the guide rods are inserted into the vibrating support, and the guide rods are sleeved with damping springs. Preferably, protruding raised strips are arranged on the lower surface of the vibrating plate, and the raised strips are distributed at intervals along the running direction of the filter cloth. The utility model has the beneficial effects that: The utility model can effectively scrape most solid impurities and residues on the surface of the filter cloth by arranging the included angle between the front scraper and the rear scraper, so that most attachments are removed before the filter cloth enters the spraying stage, and a better foundation is provided for subsequent cleaning; The spray assembly cooperates with the vibration assembly, the vibration effect can loosen impurities on the surface of the filter cloth, the spray liquid is promoted to better permeate and wash the filter cloth, the cleaning effect is further improved, and dirt residues are reduced. Drawings FIG. 1 is a schematic diagram of an embodiment of the present utility model; FIG. 2 is a schematic view of a doct