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CN-224215904-U - Plate heat exchanger convenient to maintain

CN224215904UCN 224215904 UCN224215904 UCN 224215904UCN-224215904-U

Abstract

The utility model belongs to the technical field of plate heat exchangers, and particularly relates to a plate heat exchanger convenient to maintain. According to the utility model, one end of the connecting screw is connected with the fixed plate through the mutual matching between the positioning block and the inserting block, and then the inserting block is inserted into the slot on the positioning block to fix the position of the positioning block, so that one end of the connecting screw is fixed on the fixed plate, when the heat exchange plate needs to be maintained and replaced, the bidirectional screw is driven to rotate in the bearing by the motor, the moving block on the bidirectional screw can drive one end of the inserting block to be separated from the positioning block, at the moment, the connecting screw can be separated from the fixed plate by pulling the movable plate, an operator can maintain and replace the heat exchange plate on the guide rod, and the movable plate can be moved without disassembling the nut, thereby bringing convenience to the maintenance of the plate heat exchanger.

Inventors

  • LI ZHULONG
  • FANG LEI
  • Guo Liangcong
  • ZHOU LONG

Assignees

  • 福建永荣锦江股份有限公司

Dates

Publication Date
20260508
Application Date
20250519

Claims (6)

  1. 1. The plate heat exchanger convenient to maintain comprises a fixed plate (1), and is characterized in that one side surface at two ends of the fixed plate (1) is connected with a guide rod (2), the outer side surface of the guide rod (2) is connected with a heat exchange plate (3), one end of the guide rod (2) is connected with a movable plate (4) in a sliding penetrating manner, one side surface of the movable plate (4) is connected with a connecting screw (5) in a penetrating manner, one end of the connecting screw (5) is connected with a nut (6) in a penetrating manner, the other end surface of the connecting screw (5) is connected with a positioning block (7), one end of the positioning block (7) extends into a positioning groove (8) formed in one side surface of the fixed plate (1), the other side surface of the fixed plate (1) is connected with a protruding block (9), the top surface of the protruding block (9) is provided with a penetrating moving groove (10), two inner side end surfaces of the moving groove (10) are connected with bearings (11), two bearings (11) are connected with two-way screws (12) between the two bearings (11), one end of each two-way screw (12) extends into the protruding block (9) to be connected with an output end of a motor (13), two-way screw (14) is connected with two-way blocks (14) at two ends of the two-way screw (14), one end of the insertion block (15) penetrates through the fixed plate (1) and extends into the slot (16), the slot (16) is formed in one end surface of the positioning block (7), supporting feet (17) are connected to the bottom surfaces of the fixed plate (1) and the movable plate (4), and a moving mechanism is further arranged on the bottom surfaces of the fixed plate (1) and the movable plate (4).
  2. 2. The plate heat exchanger convenient to maintain according to claim 1, wherein the moving mechanism comprises an electric push rod (18), a mounting plate (19), a sliding block (20), a sliding groove (21) and a pulley (22), the bottom surfaces of the fixed plate (1) and the movable plate (4) are connected with the electric push rod (18), the bottom surface of the movable end of the electric push rod (18) is connected with the mounting plate (19), the two end surfaces of the mounting plate (19) are connected with the sliding block (20), one end of the sliding block (20) extends into the sliding groove (21) formed in the inner side surface of the supporting leg (17), and the bottom surface of the mounting plate (19) is connected with the pulley (22).
  3. 3. A plate heat exchanger according to claim 1, characterized in that the positioning block (7) is in sliding connection with the fixing plate (1) via a positioning groove (8).
  4. 4. The plate heat exchanger convenient to maintain according to claim 1, wherein the motor (13) and the electric push rod (18) are electrically connected with an external power supply through a control switch, and the output end of the motor (13) is fixedly connected with the bidirectional screw rod (12).
  5. 5. The plate heat exchanger convenient to maintain according to claim 1, wherein the moving block (14) is in threaded connection with the bidirectional screw rod (12), the moving block (14) is in sliding connection with the protruding block (9) through the moving groove (10), and the inserting block (15) is in sliding connection with the positioning block (7) through the inserting groove (16).
  6. 6. A plate heat exchanger according to claim 2, wherein the slide blocks (20) are in sliding connection with the support feet (17) via slide grooves (21).

Description

Plate heat exchanger convenient to maintain Technical Field The utility model belongs to the technical field of plate heat exchangers, and particularly relates to a plate heat exchanger convenient to maintain. Background The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes, and is widely applied in various fields with the advantages of high efficiency, compactness, economy and the like. The plate heat exchanger is also installed to operating personnel in water cold-storage system generally and carries out heating or cooling operation to water, but when plate heat exchanger is in use, perhaps have partial heat exchanger piece appear the effect not good need maintain when changing, the operating personnel just need dismantle the nut on the connecting screw rod between fixed plate and the fly leaf, just can go out the fly leaf, just can take off the heat exchanger piece on the guide arm and change at this moment, and the operation needs to dismantle more nuts like this, and is comparatively loaded down with trivial details, and is more time consuming to the maintenance work of plate heat exchanger brings inconvenience. Accordingly, the present utility model provides a plate heat exchanger which is easy to maintain, solving the above-mentioned problems. Disclosure of utility model The utility model aims to provide a plate heat exchanger convenient to maintain, and aims to solve the problems that nuts on a connecting screw rod are required to be detached when heat exchange plates on the plate heat exchanger are required to be detached for maintenance in the prior art, the operation is complicated, the time is consumed, and inconvenience is brought to the maintenance work of the plate heat exchanger. The plate heat exchanger comprises a fixed plate, wherein one side surface at two ends of the fixed plate is connected with a guide rod, the outer side surface of the guide rod is connected with a heat exchange plate, one end of the guide rod is connected with a movable plate in a sliding penetrating manner, one side surface of the movable plate is connected with a connecting screw in a penetrating manner, one end of the connecting screw is connected with a nut in a penetrating manner, the other end surface of the connecting screw is connected with a positioning block, one end of the positioning block extends into a positioning groove formed in one side surface of the fixed plate, the other side surface of the fixed plate is connected with a protruding block, the top surface of the protruding block is provided with a penetrating moving groove, two end surfaces of the inner side of the moving groove are connected with bearings, a bidirectional screw is connected between the two bearings, one end of the bidirectional screw extends into the protruding block and is connected with a moving block in a penetrating manner, one side surface of the two ends of the moving block is connected with an inserting block, one end of the inserting block penetrates through the fixed plate and extends into a slot, one end surface of the positioning block is formed in the slot, the bottom surface of the fixed plate and the bottom of the movable plate is connected with a supporting mechanism, and the bottom of the fixed plate is further provided with a moving mechanism. In order to realize that the plate heat exchanger is convenient to move, the plate heat exchanger convenient to maintain is preferably provided with the moving mechanism, wherein the moving mechanism comprises an electric push rod, a mounting plate, a sliding block, a sliding groove and a pulley, the bottom surfaces of the fixed plate and the movable plate are connected with the electric push rod, the bottom surface of the movable end of the electric push rod is connected with the mounting plate, the two end surfaces of the mounting plate are connected with the sliding block, one end of the sliding block extends into the sliding groove formed in the inner side surface of the supporting leg, and the bottom surface of the mounting plate is connected with the pulley. In order to realize the placement of the positioning blocks, the positioning blocks are preferably connected with the fixed plate in a sliding way through positioning grooves, wherein the positioning blocks are convenient to maintain. In order to realize the normal operation control of the motor and the electric push rod and drive the bidirectional screw rod to rotate, the plate heat exchanger convenient to maintain is preferable, the motor and the electric push rod are electrically connected with an external power supply through a control switch, and the output end of the motor is fixedly connected with the bidirectional screw rod. In order to drive the insert block to move and fix the position of the positioning block, the plate heat exchanger convenient to maintain is preferable in the utility model, wherein the moving block is i