CN114857765A - A waste heat recovery system and device for central air conditioning in PCB production workshop - Google Patents

Abstract

The invention discloses a waste heat recovery system and device for a central air conditioner in a PCB production workshop, and belongs to the field of waste heat recovery. When the gap of the heat exchange tube 1 enters and exits, the outer wall of the heat exchange tube 1, the inner wall of the heat exchange tube 1 and the heat exchange pot can be periodically descaled. When the three slides, the U-shaped sleeve will be driven by the hinged rocker 1 and rocker 2 to drive the rotary plate whose upper end is hinged on the rotary rod 3 and the lower end is hinged on the rocker 1 to rotate. The rotating rotary plate can drive the water in the heat exchange tank. flow and improve heating efficiency.

Description

A waste heat recovery system and device for central air conditioning in PCB production workshop

technical field

The invention relates to the field of waste heat recovery, in particular to a waste heat recovery system and device for a central air conditioner in a PCB production workshop.

Background technique

Waste heat refers to the sensible heat and latent heat that have not been reasonably utilized in the original design of the energy-consuming devices of industrial enterprises that have been put into operation due to the limitations of technology, concepts and other factors, including air-conditioning waste heat, high-temperature exhaust gas waste heat, etc. The recycling device mainly conducts water cooling of the central air conditioner through the heat conduction water pipe, oil cooling of the central air conditioner through the heat conduction oil pipe, and air cooling of the central air conditioner, the water cold water pipe and the oil cold water pipe through the fan.

However, in the prior art, the heat-conducting water pipes on the existing air-conditioning waste heat recovery and utilization devices are easily scaled in the water storage tank, and the scales condensed on the heat-conducting water pipes will affect the heat-conducting water pipes, and the unreasonable design of the water-cooling pipes will also will affect the heating efficiency. Therefore, it is necessary to provide a new air conditioner waste heat recovery and utilization device to solve the above technical problems.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to invent a waste heat recovery system and device for a central air conditioner in a PCB production workshop, and to provide a diode detection and discharge device to realize the automation of diode detection and material distribution, which can effectively solve the problems in the background technology. A waste heat recovery system and device for central air conditioning in PCB production workshop

In order to achieve the above purpose, the present invention provides the following technical solutions: including a central air-conditioning waste heat recovery device, a heat exchange water tank, and a user water pipe, wherein:

1. The central air-conditioning waste heat recovery device collects the air-conditioning waste heat;

2. The waste heat collected by the waste heat recovery device of the central air conditioner is passed into the heat exchange water tank through the air duct;

3. After the cold water is heated into hot water through the heat exchange water tank, it flows into the heat exchange water pipe for users to use.

Further, a waste heat recovery device for a central air conditioner in a PCB production workshop includes a heat exchange water tank, and the heat exchange water tank is characterized in that: the heat exchange water tank is provided with two cross support rods, and the support rods There is a heat exchange pot at the intersection center, the middle part of the heat exchange pot is a plane, the center of the flat part of the heat exchange pot is rotatably connected with the second rotating rod, and the flat part of the heat exchange pot is connected with a motor through a motor fixing rod , the plane part of the heat exchange pot is provided with a second turning rod, a third turning rod is fixedly connected to the direction perpendicular to the motor turning rod, the other end of the third turning rod is hinged with a turning plate, and the lower end of the turning plate is hinged There is a rocker one, the other end of the rocker one is hinged with a rocker two, the other end of the rocker two is hinged with a U-shaped sleeve, the U-shaped sleeve is divided into three sections, the U-shaped sleeve and the rocker two are hinged. The connecting section is two parallel plates, the middle section of the U-shaped sleeve is a semi-circular arc structure, and the other section of the U-shaped sleeve is a mirror-symmetrical structure of the semi-circular arc-shaped structure in the middle section, and the mirror-image structure of the U-shaped sleeve is the same as the heat exchange pot arc surface. Fittingly, the two parallel upper plates of the connecting section of the U-shaped sleeve and the second rocker are connected with the rotating rod three slidingly along the rotating rod three. The heat exchange tube is provided with an opening, the outer periphery of the heat exchange tube is provided with a support ring, the support ring and the open end of the heat exchange tube are provided with a rotating rod connecting piece, and the rotating rod connecting piece is provided with a rotating rod one.

Further, the outer periphery of the heat exchange pot is a half annular structure and is a heating surface.

Further, the motor is a high temperature resistant and waterproof motor, and there are at least three motor fixing rods.

Further, the first rotating rod is two rods, the first rotating rod is located on both sides of the rotating rod connecting piece, and the distance between the periphery of the two rods is smaller than the diameter of the first heat exchange tube, and the third rotating rod is two. The rod and the three rotating rods are respectively located on both sides of the heat exchange pot.

Further, a plurality of heat exchange devices can be provided on the support rod, and a torsion spring is provided in the first rotating rod 33 and the second rotating rod.

Technical effects and advantages of the present invention:

1. When the U-shaped sleeve is continuously in and out from the gap of the heat exchange tube 1 under the action of the first and second rotating rods, the outer wall of the heat exchange tube 1, the inner wall of the heat exchange tube 1 and the heat exchange pot can be periodically descaled;

2. When the U-shaped sleeve slides along the rotating rod 3 under the action of the rotating rod 1 and the rotating rod The rotating plate of the rocker 1 rotates, and the rotating rotating plate can drive the flow of water in the heat exchange water tank and improve the heating efficiency.

Description of drawings

Fig. 1 is the main structure schematic diagram of the present invention;

Figure 2 is a schematic diagram of the heat exchange structure of the present invention;

Fig. 3 is a schematic diagram of the structure between the heat exchange pot and the motor of the present invention;

FIG. 4 is a schematic side view of the motor part of the present invention;

Fig. 5 is a schematic diagram of the heated outer ring of the heat exchange pot of the present invention;

FIG. 6 is a schematic view of the side structure of the three parts of the rotating rod and the rotating rod of the present invention;

FIG. 7 is a flow chart of the system of the present invention.

In the figure: 1 heat exchange water tank, 2 support rod, 31 support ring, 32 rotating rod connector, 33 rotating rod one, 41 heat exchange tube one, 42 heat exchange pot, 51 rotating plate, 52 rocker one, 53 rocker 2. 54U type sleeve, 61 motor, 62 rotary rod 3, 71 rotary rod 2, 72 motor fixed rod, 73 rotary rod second gear rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to Figures 1-7, this embodiment provides a technical solution: including a central air conditioner waste heat recovery device, a heat exchange water tank, and a user water pipe, wherein:

1. The central air-conditioning waste heat recovery device collects the air-conditioning waste heat;

2. The waste heat collected by the waste heat recovery device of the central air conditioner is passed into the heat exchange water tank through the air duct;

3. After the cold water is heated into hot water through the heat exchange water tank, it flows into the heat exchange water pipe for users to use.

Further, a waste heat recovery device for a central air conditioner in a PCB production workshop includes a heat exchange water tank 1, and the heat exchange water tank 1 is characterized in that: the heat exchange water tank 1 is provided with two cross support rods 2, A heat exchange pot 42 is provided at the cross center of the support rod 2, the middle part of the heat exchange pot 42 is flat, and the center of the plane part of the heat exchange pot 42 is rotatably connected with a rotating rod 271, and the heat exchange pot 42 The plane part is connected with the motor 61 through the motor fixing rod 72, the plane part of the heat exchange pot 42 is provided with a second lever 73 of the rotating rod, and the third rotating rod 62 is fixedly connected to the direction perpendicular to the rotating rod of the motor 61. The other end of the third rotating rod 62 is hinged with a rotating plate 51, the lower end of the rotating plate 51 is hinged with a rocking rod 1 52, the other end of the rocking rod 1 52 is hinged with a rocking rod 2 53, and the other end of the rocking rod 53 is hinged with a U-shaped sleeve 54, the U-shaped sleeve 54 is divided into three sections, the connecting section of the U-shaped sleeve 54 and the second rocker 53 is two parallel plates, the middle section of the U-shaped sleeve 54 is a semi-circular arc structure, the U-shaped sleeve 54 The other section of the shaped sleeve 54 is a mirror-symmetrical structure of a semi-circular arc-shaped structure in the middle. The upper plate and the rotating rod three 62 are slidably connected along the rotating rod three 62, and a heat exchange tube one 41 is provided at the joint of the semi-circular arc section of the U-shaped sleeve 54, and the heat exchange tube one 41 is provided with an opening, and the heat A support ring 31 is provided on the periphery of the exchange tube 1 41 , and a rotating rod connecting piece 32 is provided on the supporting ring 31 and the open end of the heat exchange tube 1 41 , and a rotating rod 1 33 is arranged on the rotating rod connecting piece 32 .

Further, the periphery of the heat exchange pot 42 is a half annular structure and is a heating surface.

Further, the motor 61 is a high temperature resistant and waterproof motor, and there are at least three motor fixing rods 72 .

Further, the rotating rod one 33 is two rods, the rotating rod one 33 is located on both sides of the rotating rod connecting member 32, and the distance between the periphery of the two rods is smaller than the diameter of the heat exchange pipe one 41, the rotating rod The third 62 is two rods, and the three rotating rods 62 are located on both sides of the heat exchange pot 42 respectively.

Further, a plurality of heat exchange devices on the support rod 2 can be provided, and a torsion spring is provided in the first rotating rod 33 and the second rotating rod 71 .

The working principle of the present invention:

Referring to the accompanying drawings 1-7 in the description, the central air-conditioning waste heat recovery system and device of this PCB production workshop first collects the air-conditioning waste heat through the central air-conditioning waste heat recovery device, and then the waste heat collected by the central air-conditioning waste heat recovery device passes through the air duct arranged in the support rod 2. Enter the heat exchange tube one 41 and the heat exchange pot 42, and the cold water in the heat exchange water tank is heated after passing through the heat exchange tube one 41 and the heat exchange pot 42. After using the heat exchange device for a period of time, the heat exchange tube one 41, The outer wall of the heat exchange pot 42 will produce scale, and the control center controls the motor 61 to rotate at the same time every time the residual heat is generated. Rotate along the center of the heat exchange pot 42, while the U-shaped sleeve 54 rotates, the outer wall of the outer ring of the heat exchange tube 1 41 is wiped to remove scale. When the motor 61 drives the U-shaped sleeve 54 to wipe the heat exchange tube 1 41. When the sleeve 54 is rotated to the notch of the heat exchange tube 1 41, the U-shaped sleeve 54 is blocked by the turning rod 1 33, the U-shaped sleeve 54 pushes the turning rod 1 33 to rotate, and the turning rod 1 33 touches the gap at the other end of the heat exchange tube 1 41. At this point, the semi-circular arc of the U-shaped sleeve 54 close to the heat exchange pot 42 moves along the rotating rod-33 to between the heat exchange tube one 41 and the heat exchange pot 42. At this time, the U-shaped sleeve 54 is opposite to the inner ring of the heat exchange tube one 41. , the outer wall of the heat exchange pot 42 is wiped to remove scale, when the U-shaped sleeve 54 wipes the inner ring of the heat exchange tube one 41 and the heat exchange pot 42 for a circle, the U-shaped sleeve 54 moves to the heat exchange tube one. When the center of the heat exchange pot 42 rotates the connecting rod 2 71, the U-shaped sleeve 54 pushes the rotating rod 2 71 to rotate. The second 71 stops rotating, and the U-shaped sleeve 54 moves along the rotating rod 2 71 to the periphery of the first heat exchange tube 41. At this time, the U-shaped sleeve 54 continues to wipe and descale the outer ring of the first heat exchange tube 41. When the U-shaped sleeve 54 receives When the rotation rod 1 33 and the rotation rod 2 71 slide along the rotation rod 3 62, the U-shaped sleeve 54 will drive the upper end to be hinged on the rotation rod 3 62 through the hinged rocker rod 1 52 and the rocker rod 2 53, and the lower end is hinged on the rotation rod 3 62. The rotating plate 51 of the rocker 1 52 rotates, and the rotating rotating plate 51 can drive the flow of water in the heat exchange water tank 1 and improve the heating efficiency. 33. The second lever 71 is reset.

The above descriptions are only embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other related technologies Fields are similarly included in the scope of patent protection of the present invention.

Claims (6)

1. The utility model provides a PCB workshop central air conditioning waste heat recovery system and device, includes central air conditioning waste heat recoverer, heat exchange water tank, user's water pipe, wherein:

firstly, a central air conditioner waste heat recoverer collects air conditioner waste heat;

secondly, introducing waste heat collected by the central air conditioner waste heat recoverer into a heat exchange water tank through an air pipe;

and thirdly, after the cold water is heated into hot water through the heat exchange water tank, the hot water flows into the heat exchange water pipe for the user to use.

2. The PCB production workshop central air conditioner waste heat recovery device according to claim 1, comprising a heat exchange water tank (1), characterized in that: two crossed support rods (2) are arranged in the heat exchange water tank (1), a heat exchange kettle (42) is arranged at the crossed center of the support rods (2), the middle part of the heat exchange kettle (42) is a plane, a second rotating rod (71) is rotatably connected at the center of the plane part of the heat exchange kettle (42), a motor (61) is connected on the plane part of the heat exchange kettle (42) through a motor fixing rod (72), a second rotating rod stop lever (73) is arranged on the plane part of the heat exchange kettle (42), a third rotating rod (62) is fixedly connected in a direction perpendicular to the rotating rod direction of the motor (61), a third rotating rod (62) is hinged to the other end of the third rotating rod (62) to form a rotating plate (51), a first rocker (52) is hinged to the lower end of the rotating plate (51), a second rocker (53) is hinged to the other end of the first rocker (52), and a U-shaped sleeve (54) is hinged to the other end of the second rocker (53), the U-shaped sleeve (54) is divided into three sections, the connecting section of the U-shaped sleeve (54) and the rocker II (53) is two parallel plates, one section of the middle of the U-shaped sleeve (54) is of a semi-arc structure, the other section of the U-shaped sleeve (54) is of a mirror symmetry structure of the semi-arc structure of the middle section, the U-shaped sleeve (54) has a mirror image structure which is attached to the cambered surface of the heat exchange kettle (42), the upper plate of the two parallel plates at the connecting section of the U-shaped sleeve (54) and the rocker II (53) is connected with the rotating rod III (62) in a sliding way along the rotating rod III (62), a first heat exchange pipe (41) is arranged at the joint of the semicircular arc section of the U-shaped sleeve (54), the first heat exchange tube (41) is provided with an opening, the periphery of the first heat exchange tube (41) is provided with a support ring (31), the support ring (31) and the opening end of the first heat exchange tube (41) are provided with a rotating rod connecting piece (32), and the rotating rod connecting piece (32) is provided with a rotating rod I (33).

3. The waste heat recovery device of the central air conditioner of the PCB production workshop as claimed in claim 1, wherein: the periphery of the heat exchange kettle (42) is of a half circular ring-shaped structure and is a heating surface.

4. The waste heat recovery device of the central air conditioner of the PCB production workshop as claimed in claim 1, wherein: the motor (61) is a high-temperature-resistant waterproof motor, and at least three motor fixing rods (72) are arranged.

5. The waste heat recovery device of the central air conditioner of the PCB production workshop as claimed in claim 1, wherein: the first rotating rod (33) is two rods, the first rotating rod (33) is located on two sides of the rotating rod connecting piece (32) respectively, the distance between the peripheries of the two rods is smaller than the diameter of the first heat exchange tube (41), the third rotating rod (62) is two rods, and the third rotating rod (62) is located on two sides of the heat exchange kettle (42) respectively.

6. The waste heat recovery device of the central air conditioner of the PCB production workshop as claimed in claim 1, wherein: a plurality of heat exchange devices can be arranged on the support rod (2), and torsion springs are arranged in the first rotating rod (33) and the second rotating rod (71).

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