Waste heat secondary utilization equipment based on heating and ventilation system

The servo motor-driven gear system and heat-conducting plate achieve uniform distribution of hot air in the HVAC system, solving the problem of uneven heating of cold water in the serpentine pipe and improving the efficiency of waste heat utilization.

CN223896636UActive Publication Date: 2026-02-10JINAN SANDA ENERGY SAVING TECH CO LTD
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Patent Information

Application Number
CN202423193936.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2026-02-10
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

In existing HVAC systems, the cold water inside the serpentine pipes is heated unevenly, affecting the utilization of waste heat.

Method used

A servo motor-driven gear system rotates the waste heat pipe, turbulence block, and pipe layout within the recovery tank, expanding the hot air spray range. The hot air is then evenly distributed via a heat-conducting plate, ensuring uniform heating of the cold water in the first and second pipes.

Benefits of technology

This ensures that hot air is evenly distributed within the recovery box, guaranteeing uniform heating of cold water in the first and second pipes, and improving the efficiency of waste heat utilization.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of waste heat secondary utilization of heating and ventilation systems, in particular to waste heat secondary utilization equipment based on a heating and ventilation system, which comprises a recycling box, a first through pipe and a second through pipe are arranged in the recycling box, and a waste heat pipe is arranged at the upper end of the surface of the recycling box; a turbulent flow mechanism; according to the device, through a servo motor, a first gear and a second gear, rotation of a waste heat pipe, a turbulent flow block and a pipe cloth in a recycling box is achieved, then the hot air spraying range of the pipe cloth is expanded, hot air is evenly distributed in the recycling box through the rotating turbulent flow block, and therefore cold water in a first through pipe and a second through pipe is evenly heated; compared with the prior art that cold water in the first coiled pipe and the second coiled pipe is heated unevenly, the mode enables hot air to be evenly distributed on the surfaces of the first through pipe and the second through pipe, the heating uniformity is guaranteed, and then the waste heat utilization effect is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a heating system waste heat secondary utilization technical field, especially in a kind of waste heat secondary utilization equipment based on heating system. BACKGROUND

[0002] Waste heat secondary utilization equipment based on heating system mainly relies on heat exchange technology. Equipment passes through heat exchanger and transfers the waste heat energy generated in heating system to another fluid such as water or air, so that its temperature rises, and then is converted into useful energy that can be used for other production links or life needs. The equipment has a wide application prospect in industry, commercial buildings and large public facilities, especially in the scenes that need a lot of heating, refrigeration or hot water.

[0003] After searching, Chinese patent "a heating, ventilation and air conditioning waste heat utilization device" authorized announcement number "CN214536754U" blows hot air in second waste heat recovery tank from top to bottom through second air inlet pipe, so that cold water in first serpentine pipe inside it and second serpentine pipe located at its lower end is replaced, so as to utilize waste heat resources, and finally the replaced waste heat is discharged through air outlet, so as to reduce the waste of resources.

[0004] In the above application, because hot air flows from top to bottom in second waste heat recovery tank, cold water in first serpentine pipe is heated quickly, and cold water in second serpentine pipe is heated slowly, so as to cause uneven heating of cold water in first serpentine pipe and second serpentine pipe, thereby affecting the effect of waste heat utilization.

[0005] Therefore, a waste heat secondary utilization equipment based on heating system is proposed to solve the above problems. UTILITY MODEL CONTENT

[0006] The purpose of the utility model is to provide waste heat secondary utilization equipment based on heating system to solve the above problems, and improve the problem of uneven heating of cold water in first serpentine pipe and second serpentine pipe.

[0007] The utility model discloses a waste heat secondary utilization equipment based on heating system through following technical scheme to realize above -mentioned purpose, including: recycling box, the inside of recycling box is equipped with first pipe and second pipe, the surface upper end of recycling box is equipped with waste heat pipe, the surface of the jet pipe of disturbance mechanism is connected with a plurality of pipe cloth, the surface lower end of waste heat pipe penetrates and extends to the inside of jet pipe, a plurality of disturbance blocks are fixedly connected with the surface of jet pipe, the surface of jet pipe is fixedly connected with first gear, the surface of first gear is engaged with second gear, and one end of second gear is fixedly connected with servo motor. Through servo motor, first gear and second gear, realize that waste heat pipe, disturbance block and pipe cloth rotate in recycling box, and then expand the range of pipe cloth and make hot air evenly distribute in recycling box through the disturbance block of rotation, thereby uniformly heating the cold water in first pipe and second pipe, and guaranteeing the effect of waste heat utilization.

[0008] Preferably, the surface of the first pipe is embedded with a plurality of first heat-conducting plates, the surface of the second pipe is embedded with a plurality of second heat-conducting plates, and the surfaces of the first and second heat-conducting plates are fixedly connected to the inner wall of the recycling box. Through the first and second heat-conducting plates, the flowing air in the recycling box is guided to the surfaces of the first and second pipes, so that the hot air fully contacts the first and second pipes.

[0009] Preferably, the inner wall of the recycling box is fixedly connected with a heat transfer plate, and the front ends of the first and second heat-conducting plates are fixedly connected to the rear end of the heat transfer plate.

[0010] Preferably, the inner wall of the heat transfer plate is embedded with a heat transfer pipe, and one end of the heat transfer pipe penetrates the heat transfer plate and extends out of the inner wall of the recycling box.

[0011] Preferably, the surface upper end of the heat transfer pipe is embedded with a one-way valve, and the one-way valve is used to prevent external gas from entering the inside of the recycling box through the heat transfer pipe. Through the heat transfer pipe and the one-way valve, the hot air at the lower end of the inner wall of the recycling box flows into the heat transfer pipe, so that the heat transfer plate adsorbs the hot air in the heat transfer pipe and guides it to the surfaces of the first and second pipes through the first and second heat-conducting plates. After the air in the heat transfer pipe absorbs heat, it is discharged through the one-way valve, fully recycling the hot air.

[0012] Preferably, the inner wall of the jet pipe is fixedly connected with a sealing bearing, and the surface lower end of the waste heat pipe is fixedly connected to the inner edge of the sealing bearing. Through the sealing bearing, the sealing property of the connection between the waste heat pipe and the jet pipe is ensured, avoiding the loss of hot air.

[0013] Preferably, the rear end of the recycling box is fixedly connected with a fixed frame, and the surface of the servo motor is fixedly connected to the inner wall of the fixed frame. Through the fixed frame, the surface of the servo motor, the first gear and the second gear are protected, and impurities are prevented from adhering to the surface of the first gear and the second gear.

[0014] The utility model discloses the beneficial effect is:

[0015] 1. Through the servo motor, the first gear and the second gear, the waste heat pipe, the spoiler and the pipe cloth rotate in the recycling box, thereby expanding the range of pipe cloth spraying hot air and making the hot air evenly distributed in the recycling box, so that the cold water in the first pipe and the second pipe is uniformly heated, compared with the uneven heating of the cold water in the first serpentine pipe and the second serpentine pipe, the hot air is evenly distributed on the surface of the first pipe and the second pipe, ensuring the uniformity of heating, and thereby ensuring the effect of waste heat utilization.

[0016] 2. Through the first heat conduction plate and the second heat conduction plate, the air flowing in the recycling box is guided to the surface of the first pipe and the second pipe, so that the hot air is fully contacted with the first pipe and the second pipe. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the recycling box and heat transfer plate sectional view of the utility model;

[0019] Figure 3 It is the first pipe, the second pipe and the spoiler mechanism structure schematic diagram of the utility model;

[0020] Figure 4 It is the spoiler mechanism structure schematic diagram of the utility model;

[0021] Figure 5 It is Figure 3 The enlarged view of A in the middle.

[0022] In the drawing: 1, recycling box; 2, first pipe; 3, second pipe; 4, waste heat pipe; 5, spoiler mechanism; 51, nozzle; 52, pipe cloth; 53, first gear; 54, second gear; 55, servo motor; 56, spoiler block; 57, first heat conduction plate; 58, second heat conduction plate; 59, sealing bearing; 510, heat transfer plate; 511, heat transfer pipe; 512, one-way valve; 513, fixed frame. DETAILED DESCRIPTION

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] In practical implementation: such as Figures 1-5 As shown, a waste heat secondary utilization device based on a heating, ventilation, and air conditioning system includes: a recovery box 1, with a first through pipe 2 and a second through pipe 3 inside the recovery box 1, and a waste heat pipe 4 on the upper surface of the recovery box 1; a turbulence mechanism 5, including a nozzle 51 rotatably connected to the inner wall of the recovery box 1, with several pipes 52 connected to the surface of the nozzle 51, the lower end of the surface of the waste heat pipe 4 penetrating and extending into the interior of the nozzle 51, several turbulence blocks 56 fixedly connected to the surface of the nozzle 51, a first gear 53 fixedly connected to the surface of the nozzle 51, a second gear 54 meshing with the surface of the first gear 53, and a servo motor 55 fixedly connected to one end of the second gear 54.

[0025] A base plate is fixedly connected to the bottom of the recycling bin 1, and a waste heat transparent box is fixedly connected to the top of the base plate. An air outlet pipe is connected to the lower end of the surface of the waste heat transparent box, and an air supply pipe is connected to the surface of the waste heat pipe 4. The surface of the air supply pipe is located on the upper end of the inner wall of the waste heat transparent box. Solenoid valves are embedded in the surfaces of both the air outlet pipe and the air supply pipe. Several hollow frames are provided inside the waste heat transparent box.

[0026] Connect the waste heat pipe 4 to the corresponding pipes of the HVAC system. When it is necessary to dry the items, open the front end of the waste heat transparent box and place the items to be dried into the hollow frame. Then close the waste heat transparent box and manually open the two solenoid valves. At this time, the waste heat gas will be transported to the inside of the waste heat transparent box through the air duct via the waste heat pipe 4, thereby drying the items in the hollow frame. The hot air inside the waste heat transparent box enters the recovery box 1 through the air outlet pipe.

[0027] In the initial state, both electromagnetic valves are closed, the first pipe 2 and the second pipe 3 are flange connected, the other end of the first pipe 2 is flange connected with the corresponding water supply pipe, the second pipe 3 is flange connected with the corresponding water outlet pipe, cold water is supplied into the first pipe 2, the waste heat gas of the warm air conditioning system is transported into the spray pipe 51 through the waste heat pipe 4, the servo motor 55 is manually opened, the output shaft of the servo motor 55 rotates to drive the second gear 54 to rotate, the second gear 54 rotates to drive the first gear 53 to rotate, the first gear 53 rotates to drive the spray pipe 51 to rotate, the spray pipe 51 rotates to drive the pipe cloth 52 and the spoiler 56 to rotate, because the pipe cloth 52 is flexible, the hot air flowing in the pipe cloth 52 will cause the pipe cloth 52 to swing irregularly under the impact of the flowing hot air, so that the pipe cloth 52 sprays hot air in the recycling box 1, the rotating spoiler 56 generates vortex around, so that the hot air is uniformly dispersed in the recycling box 1, and then the hot air is uniformly distributed on the first pipe 2 and the second pipe 3, so that the cold water in the first pipe 2 and the second pipe 3 is replaced by hot water, and the waste heat gas generated in the warm system is utilized twice. When the cold water in the first pipe 2 and the second pipe 3 is not heated, the servo motor 55 is manually closed.

[0028] As shown in Figures 3-4 , the surface of the first pipe 2 is embedded with a plurality of first heat-conducting plates 57, the surface of the second pipe 3 is embedded with a plurality of second heat-conducting plates 58, the surfaces of the first heat-conducting plates 57 and the second heat-conducting plates 58 are fixedly connected to the inner wall of the recycling box 1, the inner wall of the recycling box 1 is fixedly connected with a heat-conducting plate 510, the front ends of the first heat-conducting plates 57 and the second heat-conducting plates 58 are fixedly connected to the rear end of the heat-conducting plate 510, the inner wall of the heat-conducting plate 510 is embedded with a heat-conducting pipe 511, one end of the heat-conducting pipe 511 penetrates through the heat-conducting plate 510 and extends out of the inner wall of the recycling box 1, the surface of the heat-conducting pipe 511 is embedded with a one-way valve 512, the one-way valve 512 is used to prevent external gas from entering the recycling box 1 through the heat-conducting pipe 511. The first heat-conducting plate 57, the second heat-conducting plate 58, the heat-conducting pipe 511 and the heat-conducting plate 510 are all copper components.

[0029] The waste heat gas in the lower end of the inner wall of the recycling box 1 flows into the heat-conducting pipe 511, the waste heat gas flowing in the heat-conducting pipe 511 is absorbed by the heat-conducting plate 510 to transfer heat to the first heat-conducting plate 57 and the second heat-conducting plate 58, the heat absorbed by the first heat-conducting plate 57 and the second heat-conducting plate 58 is transferred to the surface of the first pipe 2 and the second pipe 3, and the heat of the gas flowing in the heat-conducting pipe 511 is completely absorbed and discharged through the one-way valve 512.

[0030] As shown in Figure 4 , the inner wall of the spray pipe 51 is fixedly connected with a sealing bearing 59, and the surface of the lower end of the waste heat pipe 4 is fixedly connected to the inner edge of the sealing bearing 59.

[0031] AsFigure 5 As shown, the rear end of the recycling box 1 is fixedly connected with a fixed frame 513, and the surface of the servo motor 55 is fixedly connected to the inner wall of the fixed frame 513.

[0032] In use, the waste heat gas of the heating and ventilation air conditioner is transported into the spray pipe 51 through the waste heat pipe 4, the servo motor 55 is manually opened, the output shaft of the servo motor 55 rotates to drive the spray pipe 51, the pipe cloth 52 and the spoiler 56 through the second gear 54 and the first gear 53, the pipe cloth 52 is soft, and the flowing hot air in the pipe cloth 52 will cause the pipe cloth 52 to swing irregularly under the impact of the flowing hot air, so that the spraying range of the pipe cloth 52 to the inside of the recycling box 1 is increased, the spoiler 56 in rotation generates vortex around, so that the hot air is uniformly dispersed in the recycling box 1, and then the hot air is uniformly distributed on the first pipe 2 and the second pipe 3, the waste heat gas at the lower end of the inner wall of the recycling box 1 flows into the heat transfer pipe 511, and the waste heat gas flowing in the heat transfer pipe 511 is adsorbed by the heat transfer plate 510 to transfer heat to the surfaces of the first pipe 2 and the second pipe 3 through the first heat conduction plate 57 and the second heat conduction plate 58, and the gas heat flowing in the heat transfer pipe 511 is exhausted through the one-way valve 512 after being absorbed, and the cold and hot replacement of the cold water in it is carried out.

[0033] It should be noted that the recycling box 1, the first pipe 2, the second pipe 3, the waste heat pipe 4, the servo motor 55, the first heat conduction plate 57, the second heat conduction plate 58, the sealing bearing 59, the heat transfer plate 510, the heat transfer pipe 511, the one-way valve 512, the electromagnetic valve and the waste heat transparent box in the above description are all relatively mature devices in the prior art, and the specific model can be selected according to the actual needs, and the servo motor 55 and the electromagnetic valve can be powered by the built-in power supply or the mains power supply, and the specific power supply mode is selected as the case may be, which will not be described here.

[0034] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A waste heat secondary utilization device based on a heating, ventilation, and air conditioning system, characterized in that, include: A recycling bin (1) is provided inside the recycling bin (1) with a first through pipe (2) and a second through pipe (3), and a waste heat pipe (4) is provided on the upper surface of the recycling bin (1); The turbulence mechanism (5) includes a nozzle (51) rotatably connected to the inner wall of the recycling bin (1). The surface of the nozzle (51) is connected to several pipes (52). The lower end of the surface of the waste heat pipe (4) extends through and into the interior of the nozzle (51). The surface of the nozzle (51) is fixedly connected to several turbulence blocks (56). The surface of the nozzle (51) is fixedly connected to a first gear (53). The surface of the first gear (53) is meshed with a second gear (54). One end of the second gear (54) is fixedly connected to a servo motor (55).

2. The waste heat secondary utilization device based on a heating, ventilation, and air conditioning system according to claim 1, characterized in that: A plurality of first heat-conducting plates (57) are embedded in the surface of the first through pipe (2), and a plurality of second heat-conducting plates (58) are embedded in the surface of the second through pipe (3). The surfaces of the first heat-conducting plates (57) and the second heat-conducting plates (58) are fixedly connected to the inner wall of the recycling box (1).

3. The waste heat secondary utilization device based on a heating, ventilation, and air conditioning system according to claim 2, characterized in that: The inner wall of the recycling bin (1) is fixedly connected to a heat transfer plate (510), and the front ends of the first heat-conducting plate (57) and the second heat-conducting plate (58) are fixedly connected to the rear end of the heat transfer plate (510).

4. The waste heat secondary utilization device based on a heating, ventilation, and air conditioning system according to claim 3, characterized in that: A heat transfer tube (511) is embedded in the inner wall of the heat transfer plate (510), and one end of the heat transfer tube (511) passes through the heat transfer plate (510) and extends out of the inner wall of the recovery box (1).

5. A waste heat secondary utilization device based on a heating, ventilation, and air conditioning system according to claim 4, characterized in that: A one-way valve (512) is embedded at the upper surface of the heat transfer tube (511). The one-way valve (512) is used to prevent external gas from entering the interior of the recovery tank (1) through the heat transfer tube (511).

6. The waste heat secondary utilization device based on a heating, ventilation, and air conditioning system according to claim 1, characterized in that: A sealed bearing (59) is fixedly connected to the inner wall of the nozzle (51), and the lower end of the surface of the waste heat pipe (4) is fixedly connected to the inner edge of the sealed bearing (59).

7. The waste heat secondary utilization device based on a heating, ventilation, and air conditioning system according to claim 1, characterized in that: The rear end of the recycling bin (1) is fixedly connected to a fixed frame (513), and the surface of the servo motor (55) is fixedly connected to the inner wall of the fixed frame (513).

Citation Information

Patent Citations

  • Heating ventilation air conditioner waste heat utilization device

    CN214536754U