Efficient and energy-saving asphalt concrete mixing plant heat recovery device
By designing a heat storage tank and mixing components in the asphalt concrete mixing plant, the heat from the mixing tank is transferred to the heat storage tank for drying and heating of the aggregates. Water is then heated through a water storage tank, thus solving the problem of heat waste in the mixing tank and achieving efficient recovery and utilization of thermal energy.
Patent Information
- Application Number
- CN202520478361.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-19
AI Technical Summary
During the mixing process of asphalt concrete, the heat inside the mixing tank cannot be effectively utilized, resulting in energy waste.
Design a high-efficiency and energy-saving heat recovery device for asphalt concrete mixing plants. The heat inside the mixing tank is transferred to the heat storage box through connecting pipes. The heat in the heat storage box is used to dry and heat the aggregates. Water is heated through a water storage tank to achieve heat energy recovery and utilization.
This improved the heat recovery and utilization rate, ensured the drying efficiency and quality of aggregates, and enabled the multiple utilization of heat energy, thus reducing energy waste.
Smart Images

Figure CN223856261U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to asphalt concrete mixing station heat recovery technical field especially relates to a kind of high-efficiency energy-saving asphalt concrete mixing station heat recovery device. BACKGROUND
[0002] Asphalt concrete mixing station is used for batch production of asphalt concrete complete equipment, mainly by cold aggregate batching system, cold aggregate conveying system, drying roller, hot aggregate lifting system, hot aggregate screening system, mixing system, weighing system, main building, dust removal system, gas path control system, finished product bin, computer control system and operation control room etc. Its production process includes cold aggregate storage and transportation, drying and heating, hot aggregate screening, weighing, mixing, finished product storage and transportation etc. The equipment can produce asphalt mixture, modified asphalt mixture, color asphalt mixture etc., and is suitable for construction of highway, grade highway, municipal road, airport etc. Engineering.
[0003] In asphalt production process, heating and mixing of asphalt by mixing tank is one of key steps. However, if heat inside mixing tank cannot be effectively utilized after mixing is completed, it will gradually dissipate to environment, causing energy waste, so we propose a kind of high-efficiency energy-saving asphalt concrete mixing station heat recovery device. UTILITY MODEL CONTENT
[0004] To solve the above technical problems, the utility model provides a kind of high-efficiency energy-saving asphalt concrete mixing station heat recovery device.
[0005] The utility model adopts following technical scheme realization: a kind of high-efficiency energy-saving asphalt concrete mixing station heat recovery device, including heat storage box, the top of the heat storage box is fixedly installed with top plate, the top of the top plate is fixedly connected with feed hopper, the surface four corners of the heat storage box is fixedly connected with support frame, the inside of the heat storage box is provided with mixing assembly, the right end of the heat storage box is communicated with connecting pipe, the inner wall of the heat storage box is equipped with water storage tank, the front end of the heat storage box is fixedly connected with water inlet pipe, the front end of the heat storage box is fixedly connected with water outlet pipe, the bottom of the heat storage box is communicated with discharge pipe;
[0006] The mixing assembly includes motor, the output of the motor is fixedly connected with fixed rod, the surface of the fixed rod is fixedly connected with sleeve pipe, the surface of the sleeve pipe is fixedly connected with mixing plate.
[0007] Through the technical scheme, the heat in the stirring tank can enter the inside of the heat storage box through the connection between the connecting pipe and the stirring tank, the inside of the heat storage box is added with the aggregate through the feeding hopper, the aggregate is dried and heated through the heat in the inside of the heat storage box, the motor is started, the motor drives the fixed rod to rotate, the sleeve rotates, the mixing plate rotates, the aggregate in the inside of the heat storage box is turned over, the aggregate is prevented from being accumulated together, and the drying efficiency and quality of the aggregate are ensured.
[0008] As a further improvement of the above scheme, the right end of the motor is fixedly connected with the left end of the heat storage box, and the surface of the fixed rod is rotationally connected with the inner wall of the heat storage box.
[0009] As a further improvement of the above scheme, the number of the mixing plates is four, and the four mixing plates are arranged in a circle around the sleeve.
[0010] Through the technical scheme, the efficiency of stirring the aggregate is improved through the four mixing plates.
[0011] As a further improvement of the above scheme, the rear end of the water inlet pipe is communicated with the water storage tank, and the rear end of the water outlet pipe is communicated with the water storage tank.
[0012] Through the technical scheme, the water source is stored through the water storage tank, and the water source is heated through the heat in the inside of the heat storage box, so that the hot water can be used as mixing water subsequently.
[0013] As a further improvement of the above scheme, the top of the top plate is fixedly connected with a hydraulic telescopic rod, and the output end of the hydraulic telescopic rod is fixedly connected with a sealing cover plate.
[0014] Through the technical scheme, the sealing cover plate is moved by the hydraulic telescopic rod, so that the feeding hopper is opened, and subsequent feeding into the inside of the heat storage box is facilitated.
[0015] As a further improvement of the above scheme, the lower surface of the sealing cover plate is in contact with the top of the feeding hopper.
[0016] Through the technical scheme, when the sealing cover plate is in contact with the top of the feeding hopper, the sealing effect is improved, the heat loss in the inside of the heat storage box is reduced, and the use effect is ensured.
[0017] As a further improvement of the above scheme, the number of the hydraulic telescopic rods is two, and the two hydraulic telescopic rods are symmetrically distributed with the sealing cover plate as the center.
[0018] Through the technical scheme, the stability of supporting the sealing cover plate is improved through the two hydraulic telescopic rods.
[0019] Compared with the prior art, the beneficial effects of the utility model lie in:
[0020] The utility model discloses a heat storage box body, stirring subassembly and connecting pipe are set up, specifically is through the connection between connecting pipe and stirring jar, make the heat of stirring jar interior can enter the inside of heat storage box body, through the inside of heat storage box body is added to aggregate by feed hopper, through the heat of heat storage box body interior to aggregate drying and heating, start motor, and motor drives fixed link to rotate, makes the sleeve pipe rotates, drives the mixed board rotation and turns over the aggregate of heat storage box body interior, avoids aggregate to pile up together, guarantees the drying efficiency and quality of aggregate, improves the heat energy recycling rate.
[0021] The utility model discloses a heat storage box body, water tank, water inlet pipe and water outlet pipe are set up, specifically is through the heat of heat storage box body interior to the water of water tank interior heating, through water outlet pipe can discharge the hot water of water tank interior, is convenient for subsequent as mixing water uses, realizes the recycling of heat energy, improves the practicality. DRAWINGS
[0022] Figure 1 It is whole structure schematic diagram of the utility model;
[0023] Figure 2 It is sectional structure schematic diagram of the utility model;
[0024] Figure 3 It is sectional structure schematic diagram of the utility model;
[0025] Figure 4 It is stirring subassembly structure schematic diagram of the utility model;
[0026] Figure 5 It is structure schematic diagram of the utility model from the bottom.
[0027] Main symbol explains:
[0028] 1, heat storage box body;2, top plate;3, feed hopper;4, support frame;5, stirring subassembly;501, motor;502, fixed link;503, sleeve pipe;504, mixed board;6, connecting pipe;7, water tank;8, water inlet pipe;9, water outlet pipe;10, discharge pipe;11, sealing cover plate;12, hydraulic telescopic link. Specific implementation
[0029] Below, combining the drawing and specific implementation, the utility model is described further, need explaining that, under the premise of not conflicting, the following described each embodiment between or each technical feature between can form new embodiment arbitrarily.
[0030] Embodiment:
[0031] Please combine Figures 1-5The embodiment relates to a high-efficiency energy-saving asphalt concrete mixing station heat recovery device, which comprises a heat storage box body 1, a top plate 2 fixedly installed at the top of the heat storage box body 1, a feeding hopper 3 fixedly connected to the top of the top plate 2, support frames 4 fixedly connected to the surface of the heat storage box body 1 at four corners, a stirring assembly 5 arranged in the heat storage box body 1, a connecting pipe 6 communicated with the right end of the heat storage box body 1, a water storage groove 7 formed in the inner wall of the heat storage box body 1, a water inlet pipe 8 fixedly connected to the front end of the heat storage box body 1, a water outlet pipe 9 fixedly connected to the front end of the heat storage box body 1, and a discharging pipe 10 communicated with the bottom of the heat storage box body 1.
[0032] The stirring assembly 5 comprises a motor 501, a fixed rod 502 fixedly connected to the output end of the motor 501, a sleeve pipe 503 fixedly connected to the surface of the fixed rod 502, and a mixing plate 504 fixedly connected to the surface of the sleeve pipe 503. In use, the connecting pipe 6 is connected between the stirring tank and the heat storage box body 1, so that heat in the stirring tank can enter the heat storage box body 1. Aggregate in the heat storage box body 1 is dried and heated by heat in the heat storage box body 1. The motor 501 is started, the motor 501 drives the fixed rod 502 to rotate, the sleeve pipe 503 rotates, the mixing plate 504 rotates, and the aggregate in the heat storage box body 1 is turned over, so that the aggregate is prevented from being accumulated together, the drying efficiency and quality of the aggregate are ensured, and the heat energy recovery rate is improved. The dried aggregate is discharged outward through the discharging pipe 10.
[0033] The right end of the motor 501 is fixedly connected to the left end of the heat storage box body 1, and the surface of the fixed rod 502 is rotationally connected to the inner wall of the heat storage box body 1.
[0034] The number of the mixing plates 504 is four, and the four mixing plates 504 are arranged in a circle around the sleeve pipe 503.
[0035] The rear end of the water inlet pipe 8 is communicated with the water storage groove 7, the rear end of the water outlet pipe 9 is communicated with the water storage groove 7, water is added into the water storage groove 7 through the water inlet pipe 8, the water in the water storage groove 7 is heated by heat in the heat storage box body 1, and the hot water in the water storage groove 7 is discharged through the water outlet pipe 9, so that the hot water can be used as mixing water in the subsequent process, and heat energy is recycled.
[0036] The top of the top plate 2 is fixedly connected to a hydraulic telescopic rod 12, the output end of the hydraulic telescopic rod 12 is fixedly connected to a sealing cover plate 11, the hydraulic telescopic rod 12 is started, the hydraulic telescopic rod 12 drives the sealing cover plate 11 to move upward, and the feeding hopper 3 is opened.
[0037] The lower surface of the sealing cover plate 11 is in contact with the top of the feeding hopper 3, and when the sealing cover plate 11 is in contact with the top of the feeding hopper 3, the sealing effect is ensured, and heat loss is reduced.
[0038] The number of the hydraulic telescopic rods 12 is two, and the two hydraulic telescopic rods 12 are symmetrically distributed with the sealing cover plate 11 as the center.
[0039] The implementation principle of the high-efficiency energy-saving asphalt concrete mixing station heat recovery device in the embodiment of the application is as follows: when in use, the connecting pipe 6 is connected with the mixing tank, so that the heat inside the mixing tank can enter the inside of the heat storage box body 1; the water source is added into the inside of the water storage tank 7 through the water inlet pipe 8; the water inside the water storage tank 7 is heated by the heat inside the heat storage box body 1; the hot water inside the water storage tank 7 can be discharged through the water outlet pipe 9, so as to be used as mixing water in the subsequent process, heat energy is recycled, the practicability is improved, the hydraulic telescopic rod 12 is started, the hydraulic telescopic rod 12 drives the sealing cover plate 11 to move upwards, so that the feeding hopper 3 is opened, the aggregate inside the heat storage box body 1 is added through the feeding hopper 3, the aggregate is dried and heated by the heat inside the heat storage box body 1, then the motor 501 is started, the motor 501 drives the fixed rod 502 to rotate, so that the sleeve pipe 503 rotates, drives the mixing plate 504 to rotate, and turns over the aggregate inside the heat storage box body 1, so as to avoid the aggregate from being accumulated together, the drying efficiency and quality of the aggregate are ensured, the heat energy recycling rate is improved, and the dried aggregate is discharged outside through the discharge pipe 10.
[0040] The above-mentioned embodiment is only a preferred embodiment of the utility model, and cannot be used to limit the range of the utility model protection, and any non-substantial change and replacement made by the person skilled in the art on the basis of the utility model belongs to the range of the utility model protection.
Claims
1. A high efficiency energy saving asphalt concrete plant heat recovery device, characterized in that, Including the heat storage box (1), the top of the heat storage box (1) is fixedly installed with a top plate (2), the top of the top plate (2) is fixedly connected with a feeding hopper (3), the surface of the heat storage box (1) is fixedly connected with a support frame (4) at the four corners, the inside of the heat storage box (1) is provided with a stirring assembly (5), the right end of the heat storage box (1) is communicated with a connecting pipe (6), the inner wall of the heat storage box (1) is provided with a water storage tank (7), the front end of the heat storage box (1) is fixedly connected with a water inlet pipe (8), the front end of the heat storage box (1) is fixedly connected with a water outlet pipe (9), the bottom of the heat storage box (1) is communicated with a discharge pipe (10); The stirring assembly (5) comprises a motor (501), the output end of the motor (501) is fixedly connected with a fixed rod (502), the surface of the fixed rod (502) is fixedly connected with a sleeve (503), and the surface of the sleeve (503) is fixedly connected with a mixing plate (504).
2. A high efficiency energy saving asphalt concrete mixing plant heat recovery unit as claimed in claim 1 wherein: The right end of the motor (501) is fixedly connected with the left end of the heat storage box (1), and the surface of the fixed rod (502) is rotatably connected with the inner wall of the heat storage box (1).
3. A high efficiency energy saving asphalt concrete plant heat recovery unit as claimed in claim 1 wherein: The number of the mixing plate (504) is four, and four mixing plates (504) are arranged in a circular distribution around the sleeve (503).
4. A high efficiency energy saving asphalt concrete plant heat recovery unit as claimed in claim 1 wherein: The rear end of the water inlet pipe (8) is communicated with the water storage tank (7), and the rear end of the water outlet pipe (9) is communicated with the water storage tank (7).
5. A high efficiency energy saving asphalt concrete plant heat recovery unit as claimed in claim 1 wherein: The top of the top plate (2) is fixedly connected with a hydraulic telescopic rod (12), and the output end of the hydraulic telescopic rod (12) is fixedly connected with a sealing cover plate (11).
6. A high efficiency energy saving asphalt concrete plant heat recovery unit as claimed in claim 5 wherein: The lower surface of the sealing cover plate (11) is in contact with the top of the feeding hopper (3).
7. A high efficiency energy saving asphalt concrete mixing plant heat recovery unit as claimed in claim 5 wherein: The number of the hydraulic telescopic rod (12) is two, and the two hydraulic telescopic rods (12) are symmetrically distributed with the sealing cover plate (11) as the center.