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CN-224207574-U - Chemical water treatment device of thermal power plant

CN224207574UCN 224207574 UCN224207574 UCN 224207574UCN-224207574-U

Abstract

The utility model discloses a chemical water treatment device of a thermal power plant, which belongs to the technical field of chemical water treatment equipment of the thermal power plant, and comprises a supporting bottom plate, a horizontal roller and a plurality of groups of filtering units, wherein racks suitable for the end parts of the roller are arranged at two ends of the supporting bottom plate, two ends of the horizontal roller are open and are provided with accommodating chambers with preset operation length, the accommodating chambers are rotatably arranged between the two racks and are provided with preset vertical distances with a supporting operation surface of the supporting bottom plate, the roller is connected with a rotary drive, the rotary drive is suitable for driving the roller to rotate relative to the racks, the racks are provided with sealing cover plates for sealing the corresponding ends of the roller, the corresponding sealing cover plates are respectively provided with a water inlet pipe and a water outlet pipe suitable for water inlet and outlet of the roller, the groups of filtering units are arranged at intervals along the water inlet and outlet directions of the roller and are suitable for filtering water bodies in the roller, dynamic anti-blocking of a filter screen is realized, the filtering flux is maintained, the manual cleaning frequency is reduced, and the efficiency of raw water entering the next treatment stage is improved.

Inventors

  • ZHANG XING
  • LI LIANG
  • CHEN ZAIXIONG

Assignees

  • 安徽华电宿州发电有限公司

Dates

Publication Date
20260508
Application Date
20250604

Claims (6)

  1. 1. A chemical water treatment device of a thermal power plant, comprising: The supporting bottom plate is provided with corresponding supporting force, and the two ends of the supporting bottom plate are provided with a rack suitable for the end parts of the roller; The horizontal roller is connected with a rotary drive, the rotary drive is suitable for driving the roller to rotate relative to the rack, and the rack is provided with a closed cover plate for closing the corresponding end of the roller; The multiple groups of filtering units are arranged at intervals along the water inlet and outlet directions of the roller and are suitable for filtering water bodies in the roller.
  2. 2. A chemical water treatment apparatus of a thermal power plant according to claim 1, wherein the filtering unit comprises: the fixed frame body is arranged at a corresponding position on the outer wall of the roller; The filter plate comprises a sliding frame and a filtering part arranged in the sliding frame, the filtering part is matched with the inner cavity of the roller and is suitable for carrying out corresponding filtering operation in the water inlet and outlet direction of the roller, and the sliding frame can slide into and out of the roller and the fixing frame body; The sliding drive is arranged on the outer wall of the fixed frame body, the telescopic end is connected with the sliding frame of the filter plate, and the filtering part of the filter plate is driven to move in and out of the roller in the direction perpendicular to water in and out.
  3. 3. The chemical water treatment device of a thermal power plant according to claim 1, wherein the bottom plate is provided with an auxiliary rotating unit through a supporting frame, the auxiliary rotating unit is provided with a plurality of groups, the auxiliary rotating unit comprises a fixed rotating ring fixedly arranged at the corresponding position of the outer wall of the roller and rotating rollers arranged at the top end of the supporting frame plate through a bracket, the rotating rollers are arranged at two sides of the fixed rotating ring, and the outer wall of each rotating roller is abutted to the outer wall of the corresponding fixed rotating ring.
  4. 4. A chemical water treatment device for a thermal power plant according to claim 1, wherein a plurality of sets of spiral blades are arranged on the inner wall of the drum, each set of spiral blades consists of inner and outer reversing blades, and the filtering unit is positioned between two adjacent sets of spiral blades.
  5. 5. The chemical water treatment device of a thermal power plant according to claim 2, wherein connecting lugs are respectively arranged on two sides of the end part of the sliding frame, which is positioned outside the roller, the sliding drives are in one-to-one correspondence with the connecting lugs, through holes for the extending ends of the sliding drives to penetrate are formed in the connecting lugs, and the extending ends of the sliding drives extend out of the through holes and can be matched with the bolts.
  6. 6. A chemical water treatment device in a thermal power plant according to claim 1, wherein the rotary drive comprises a gear ring fixed on the outer wall of the drum, and a driving gear erected on one side of the outside of the drum through a bracket, wherein the driving gear is meshed with gear teeth of the gear ring, and is connected with a driving motor, and the driving motor is suitable for driving the driving gear to rotate relative to the bracket.

Description

Chemical water treatment device of thermal power plant Technical Field The utility model belongs to the technical field of chemical water treatment equipment of a thermal power plant, and particularly relates to a chemical water treatment device of a thermal power plant. Background The chemical water treatment of the thermal power plant is a key link for purifying the production water and the waste water by physical, chemical and biological methods so as to ensure the safe operation of a thermodynamic system and meet the environmental protection requirement. In the pretreatment stage, suspended matters, colloid and large-particle impurities (such as ash and gravel) in raw water are removed through mechanical filtration, coagulating sedimentation and other technologies, high-precision equipment such as reverse osmosis membranes and ion exchange resins are prevented from being blocked, the failure rate of the system is reduced, the filter screen is inevitably blocked after being used for a period of time in the pretreatment stage, manual cleaning is carried out after the filter screen is replaced by a worker, and the filter screen is subjected to ordinary static filtration, is frequently cleaned manually and is inconvenient to maintain and replace. Disclosure of utility model Aiming at the situation, the utility model provides a chemical water treatment device of a thermal power plant in order to overcome the defects of the prior art. The technical scheme includes that the chemical water treatment device of the thermal power plant comprises a supporting bottom plate, a horizontal roller and a plurality of groups of filtering units, wherein the supporting bottom plate is provided with corresponding supporting force, racks suitable for the ends of the roller are arranged at two ends of the supporting bottom plate, two ends of the horizontal roller are open and provided with accommodating chambers with preset operation length, the accommodating chambers are rotatably arranged between the two racks and have preset vertical distances with a supporting operation surface of the supporting bottom plate, the roller is connected with a rotary drive, the rotary drive is suitable for driving the roller to rotate relative to the racks, the racks are provided with sealing cover plates for sealing the corresponding ends of the roller, the corresponding sealing cover plates are respectively provided with a water inlet pipe and a water outlet pipe suitable for water inlet and outlet of the roller, and the plurality of groups of filtering units are arranged at intervals along the water inlet and outlet directions of the roller and are suitable for filtering water bodies in the roller. The filter unit comprises a fixed frame body, a filter plate and a sliding drive, wherein the fixed frame body is arranged at a corresponding position of the outer wall of the roller, the filter plate comprises a sliding frame and a filter part arranged in the sliding frame, the filter part is matched with a chamber in the roller and is suitable for corresponding filtering operation in the water inlet and outlet direction of the roller, the sliding frame can slide in and out the roller and the fixed frame body, the sliding drive is arranged at the outer wall of the fixed frame body, the telescopic end of the sliding drive is connected with the sliding frame of the filter plate, and the filter part of the filter plate is driven to move in and out the roller in the direction perpendicular to the water inlet and outlet direction. Further, the auxiliary rotating units are arranged on the bottom plate through the support frame plate frame and are provided with a plurality of groups of auxiliary rotating units, each auxiliary rotating unit comprises a fixed rotating ring fixedly arranged at the corresponding position of the outer wall of the roller and a rotating roller arranged at the top end of the support frame plate through a support, and the rotating rollers are arranged on two sides of the fixed rotating ring and the outer wall of each rotating roller is abutted against the outer wall of the corresponding fixed rotating ring. Further, the inner wall of the roller is provided with a plurality of groups of spiral blades, each group of spiral blades consists of inner and outer reverse blades, and the filtering unit is positioned between two adjacent groups of screw blades. Further, connecting lugs are respectively arranged on two sides of the end part of the sliding frame, which is positioned outside the roller, the sliding driving parts are in one-to-one correspondence with the connecting lugs, through holes for the extending ends of the sliding driving parts to penetrate are formed in the connecting lugs, and the extending ends of the sliding driving parts extend out of the through holes and can be matched with the bolts. Further, the rotary drive comprises a gear ring fixed on the outer wall of the roller, and a driving gear erected on one side o