Temperature control system for asphalt concrete temporary storage bin

By introducing a main shaft-driven mixing blade and scraper structure into the asphalt concrete temporary storage silo, combined with a temperature monitoring and heating system, the problem of cleaning adhering materials was solved, achieving comprehensive temperature control and cleaning effect.

CN224127083UActive Publication Date: 2026-04-17BEIJING JINGLIANXIN ROAD MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING JINGLIANXIN ROAD MATERIALS CO LTD
Filing Date
2025-03-13
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Existing asphalt concrete storage silos tend to have concrete billets adhering to them after feeding, making them difficult to clean and causing the inner walls to solidify, which affects temperature control.

Method used

It adopts a main shaft to drive the stirring blades and scraper structure, combined with infrared and thermocouple thermometers for all-round temperature monitoring, and uses an electric heating steam engine for heating and a servo motor to drive the scraper to clean the adhering materials. The controller coordinates the work of each component.

Benefits of technology

It enables comprehensive monitoring and effective temperature control of the material temperature, preventing concrete from setting and improving the accuracy of temperature measurement and cleaning efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an asphalt concrete temporary storage bin temperature control system, which belongs to the technical field of concrete temporary storage bin temperature control and comprises a concrete foundation, three temporary storage bin bodies are arranged at the top of the concrete foundation, a main shaft is rotatably mounted in each temporary storage bin body, and stirring blades are fixedly mounted on the outer side of each main shaft at equal intervals. Supporting frames are fixedly connected to the two sides of the main shaft at equal intervals. The concrete temporary storage bin has the advantages that the main shaft rotates to drive the multiple supporting frames on the outer side of the main shaft to rotate, concrete attached to the side wall of the temporary storage bin body can be scraped off through the side wall scraping plates, power transmission can be achieved through the effect of the coupler, and the concrete temporary storage bin is convenient to use. In this way, concrete on the bottom wall of the temporary storage bin body can be scraped off through the bottom wall scraping plate, the phenomenon that the concrete is condensed due to the fact that the concrete is not cleaned for a long time is avoided, and the temperature control effect of the monitoring assembly and the heating assembly on the concrete is improved.
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Description

Technical Field

[0001] This utility model relates to the field of temperature control technology for concrete temporary storage silos, and in particular to a temperature control system for asphalt concrete temporary storage silos. Background Technology

[0002] The concrete temporary storage silo, also known as the transfer silo, intermediate storage silo, or waiting silo, is located above the mixer. It allows for the preparation of a batch of material in advance, so that the mixer can immediately start preparing the next batch after finishing the previous batch, thus improving production efficiency.

[0003] A search revealed a Chinese patent disclosure for a temporary storage system for finished asphalt concrete (authorization announcement number CN202543769U), comprising an asphalt silo, silo rails erected above the silo, and a conveying device. The silo rails are at least two in parallel arrangement, and at least one asphalt silo is located below each rail. The conveying device is mounted on two adjacent silo rails at its left and right ends, respectively, and can move along the two silo rails and be positioned below the left and right ends of the silo rails.

[0004] The asphalt finished material is unloaded into the silo; the silo track is also equipped with a silo selection switch to control the material conveying device to unload into the finished material silo below the silo track. This patented technology can effectively ensure a high degree of integration between production and construction by taking advantage of multiple tracks and multiple silos, while ensuring the production continuity of the mixing plant. The receiving trucks can enter the site intensively to receive materials as needed, meeting the construction requirements such as extremely short construction period, large paving volume, and limited construction time.

[0005] However, the above-mentioned device still has some drawbacks in actual use. The most obvious one is that after the asphalt concrete temporary storage silo is filled with concrete, a lot of concrete blanks will adhere to its inner wall, which is difficult to clean. Moreover, the concrete adhering to the inner wall will gradually solidify and form concrete blocks, which will affect the temperature control effect on the next batch of concrete. Utility Model Content

[0006] In view of the above-mentioned problems existing in the prior art, the main purpose of this utility model is to provide a temperature control system for asphalt concrete temporary storage silos.

[0007] The technical solution of this utility model is as follows: a temperature control system for asphalt concrete temporary storage chambers includes a concrete foundation. Three temporary storage chamber bodies are arranged on the top of the concrete foundation. A main shaft is rotatably installed inside the temporary storage chamber body. A stirring blade is fixedly installed at equal intervals on the outer side of the main shaft. Support frames are fixedly connected at equal intervals on both sides of the main shaft. A side wall scraper is fixedly connected between two of the support frames. An installation frame is fixedly connected inside the temporary storage chamber body and below the main shaft. A rotating rod is provided at the bottom end of the installation frame. A coupling is installed inside the installation frame. The main shaft and the rotating rod are connected through the coupling. A bottom wall scraper is fixedly connected to the end of the rotating rod away from the installation frame.

[0008] By adopting the above technical solution, the top infrared thermometer can be used to monitor the temperature above the material surface, while the bottom thermocouple thermometer is in close contact with the bottom plate surface to monitor the temperature of the bottom material in real time. This achieves all-round monitoring of the material temperature and significantly improves the accuracy of temperature measurement. In this way, the concrete on the bottom wall of the temporary storage bin can be scraped off by the bottom wall scraper, avoiding the phenomenon of concrete solidification due to prolonged lack of cleaning.

[0009] In a preferred embodiment, a monitoring component is provided inside the temporary storage chamber body. The monitoring component includes a thermocouple thermometer embedded in the inner wall of the temporary storage chamber body, an infrared thermometer fixedly installed at the top of the inner wall of the temporary storage chamber body, and a controller fixedly installed at the top of the concrete foundation.

[0010] By adopting the above technical solution, the hot steam can be continuously delivered to the interior of the temporary storage chamber through the action of the electric heating steam engine, and the hot steam can be evenly filled in through the air outlet.

[0011] In a preferred embodiment, a heating assembly is provided at the top of the temporary storage chamber body. The heating assembly includes an electric heating steam engine fixedly installed at the top of the temporary storage chamber body. The top of the main shaft extends to the outside of the temporary storage chamber body and is fixedly connected to a rotary joint. The output end of the electric heating steam engine is fixedly connected to the top of the rotary joint. The main shaft has an array of air vents inside.

[0012] By adopting the above technical solution, the rotation of the output shaft of the servo motor can drive the drive gear to rotate, which in turn drives the driven gear to rotate, thereby realizing the transmission of power.

[0013] In a preferred embodiment, a transmission assembly is provided on the top of the temporary storage bin body. The transmission assembly includes a servo motor fixedly installed on the top of the temporary storage bin body. The output shaft of the servo motor extends into the interior of the temporary storage bin body and is fixedly connected to a drive gear. A driven gear is fixedly connected to the outside of the main shaft, and the driven gear meshes with the drive gear.

[0014] By adopting the above technical solution, the rotation of the output shaft of the servo motor can drive the drive gear to rotate, which in turn can drive the driven gear to rotate.

[0015] In a preferred embodiment, the bottom end of the inner wall of the temporary storage bin is provided with an inclined surface to facilitate material discharge, the bottom wall scraper is in contact with the inclined surface, and the side wall scraper is in contact with the inner wall of the temporary storage bin body.

[0016] By adopting the above technical solution, the bottom wall scraper can be made to fit against the inclined surface through contact, thereby improving the scraping effect.

[0017] In a preferred embodiment, a feed inlet is fixedly connected to the outer side of the temporary storage bin body, and a connecting flange is fixedly installed on the top of the feed inlet.

[0018] By adopting the above technical solution and setting a connecting flange at the feed inlet, it is possible to connect to an external water supply device.

[0019] In a preferred embodiment, a support beam is fixedly installed at the bottom of each temporary storage bin body, and the support beam is welded to a concrete foundation.

[0020] By adopting the above technical solutions, the installation stability of the temporary storage bin body can be improved.

[0021] In a preferred embodiment, the electric heating steam engine, servo motor, infrared thermometer, and thermocouple thermometer are all electrically connected to the controller.

[0022] By adopting the above technical solution, the controller can control the electric heating steam engine, servo motor, infrared thermometer, and thermocouple thermometer to start and stop.

[0023] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0024] 1. In this utility model, the rotation of the main shaft drives the rotation of several support frames on its outer side, thereby enabling the side wall scrapers to scrape off the concrete adhering to the side wall of the temporary storage bin. Through the action of the coupling, power can be transmitted, thereby enabling the bottom wall scrapers to scrape off the concrete on the bottom wall of the temporary storage bin, preventing the concrete from hardening due to prolonged lack of cleaning, thus improving the temperature control effect of the monitoring and heating components on the concrete. The connecting flange at the feed inlet allows connection to an external water supply device for cleaning the concrete adhering to the walls inside the temporary storage bin.

[0025] 2. In this utility model, the top infrared thermometer can be used to monitor the temperature above the material surface, while the bottom thermocouple thermometer is in close contact with the bottom plate surface to monitor the temperature of the bottom material in real time, realizing all-round monitoring of material temperature and significantly improving the accuracy of temperature measurement. When the temperature is lower than the suitable temperature, the information will be transmitted to the controller, and the controller will control the heating component to operate. Attached Figure Description

[0026] Figure 1 This utility model provides an overall perspective view of the temperature control system for an asphalt concrete temporary storage silo;

[0027] Figure 2 This utility model provides a cross-sectional view of a temperature control system for an asphalt concrete temporary storage silo.

[0028] Figure 3 This utility model provides a temperature control system for asphalt concrete temporary storage silos. Figure 2 Enlarged view of point A in the middle.

[0029] Legend: 1. Temporary storage chamber body; 2. Mounting frame; 3. Coupling; 4. Main shaft; 5. Stirring blade; 6. Side wall scraper; 7. Electric heating steam engine; 8. Rotary joint; 9. Servo motor; 10. Drive gear; 11. Driven gear; 12. Support frame; 13. Rotating rod; 14. Bottom wall scraper; 15. Controller; 16. Infrared thermometer; 17. Thermocouple thermometer; 18. Air outlet. Detailed Implementation

[0030] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0031] Reference Figure 1-3A temperature control system for asphalt concrete temporary storage silos includes a concrete foundation. Three storage silo bodies 1 are mounted on top of the concrete foundation. A main shaft 4 is rotatably mounted inside each storage silo body 1. Mixing blades 5 are fixedly mounted at equal intervals on the outer side of the main shaft 4. Support frames 12 are fixedly connected at equal intervals on both sides of the main shaft 4. Side wall scrapers 6 are fixedly connected between two support frames 12. An installation frame 2 is fixedly connected inside the storage silo body 1 and below the main shaft 4. A rotating rod 13 is provided at the bottom end of the installation frame 2. A coupling 3 is installed inside the installation frame 2. The main shaft 4 and the rotating rod 13 are connected via the coupling 3. A bottom wall scraper 14 is fixedly connected to the end of the rotating rod 13 away from the installation frame 2. When the operator... After the asphalt concrete is fed into the temporary storage silo 1, the rotation of the main shaft 4 drives the rotation of several support frames 12 on its outer side. The side wall scraper 6 can then scrape off the concrete adhering to the side wall of the temporary storage silo 1. Through the action of the coupling 3, power can be transmitted, so that the bottom wall scraper 14 can scrape off the concrete on the bottom wall of the temporary storage silo 1. This prevents the concrete from hardening due to prolonged lack of cleaning, thereby improving the temperature control effect of the monitoring and heating components on the concrete. The connection flange at the feed inlet can be connected to an external water supply device to clean the concrete adhering to the wall inside the temporary storage silo 1.

[0032] Specifically, the storage bin 1 is internally equipped with monitoring components, including a thermocouple thermometer 17 embedded in the inner wall of the storage bin 1, an infrared thermometer 16 fixedly installed at the top of the inner wall of the storage bin 1, and a controller 15 fixedly installed at the top of the concrete foundation. The top infrared thermometer 16 monitors the temperature above the material surface, while the bottom thermocouple thermometer 17, closely attached to the bottom plate surface, monitors the temperature of the bottom material in real time, achieving comprehensive temperature monitoring and significantly improving the accuracy of temperature measurement. When the temperature falls below a suitable level, the information is transmitted to the controller 15. The heating component is controlled by the controller 15. The heating component is installed at the top of the temporary storage chamber body 1. The heating component includes an electric heating steam engine 7 fixedly installed at the top of the temporary storage chamber body 1. The top of the main shaft 4 extends to the outside of the temporary storage chamber body 1 and is fixedly connected to a rotary joint 8. Through the action of the electric heating steam engine 7, hot air can be continuously delivered to the interior of the temporary storage chamber body 1, and the hot air is uniformly filled through the air outlet 18 to improve the heating effect on the asphalt concrete. The output end of the electric heating steam engine 7 is fixedly connected to the top of the rotary joint 8, and the interior of the main shaft 4 has an array of air outlets 18.

[0033] Specifically, a transmission assembly is provided on the top of the temporary storage bin body 1. The transmission assembly includes a servo motor 9 fixedly installed on the top of the temporary storage bin body 1. The output shaft of the servo motor 9 extends into the interior of the temporary storage bin body 1 and is fixedly connected to a drive gear 10. The rotation of the output shaft of the servo motor 9 can drive the drive gear 10 to rotate, which in turn drives the driven gear 11 to rotate, thereby realizing the transmission of power. The driven gear 11 is fixedly connected to the outer side of the main shaft 4. The driven gear 11 meshes with the drive gear 10. The bottom end of the inner wall of the temporary storage bin body 1 is provided with an inclined surface to facilitate material discharge. The bottom wall scraper 14 contacts the inclined surface, and the side wall scraper 6... The bottom wall scraper 14 is in contact with the inner wall of the temporary storage bin body 1. Through contact, the scraper 14 can be made to fit against the inclined surface to improve the scraping effect. The outer side of the temporary storage bin body 1 is fixedly connected to the feed port. The top of the feed port is fixedly installed with a connecting flange. The bottom of the temporary storage bin body 1 is fixedly installed with a support beam. The support beam is welded to the concrete foundation to improve the installation stability of the temporary storage bin body 1. The electric heating steam engine 7, servo motor 9, infrared thermometer 16 and thermocouple thermometer 17 are all electrically connected to the controller 15. The controller 15 can control the start and stop of the electric heating steam engine 7, servo motor 9, infrared thermometer 16 and thermocouple thermometer 17.

[0034] Working Principle: After the worker feeds the asphalt concrete into the temporary storage bin 1, the connection flange at the inlet can be used to connect to the output end of the external water supply equipment. Then, the controller 15 controls the servo motor 9 to start. The rotation of the output shaft of the servo motor 9 drives the drive gear 10 to rotate, which in turn drives the driven gear 11. Simultaneously, it drives the main shaft 4 to rotate, causing several support frames 12 on its outer side to rotate. This allows the side wall scrapers 6 to scrape off the concrete adhering to the side wall of the temporary storage bin 1. Furthermore, the coupling 3 enables power transmission, allowing the bottom wall scrapers 14 to further remove the concrete. The concrete on the bottom wall of the storage silo 1 is scraped off to prevent it from hardening due to prolonged lack of cleaning. In daily use, the infrared thermometer 16 on the top can be used to monitor the temperature above the material surface, while the thermocouple thermometer 17 on the bottom plate is in close contact with the bottom plate surface to monitor the temperature of the bottom material in real time, achieving comprehensive monitoring of the material temperature. When the temperature is lower than the suitable temperature, the information is transmitted to the controller 15, which then controls the electric heating steam engine 7 to start, continuously delivering hot air into the interior of the storage silo 1. The hot air is evenly injected through the vent 18 to clean the concrete adhering to the walls of the storage silo 1.

[0035] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0036] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An asphalt concrete temporary storage silo temperature control system comprising an asphalt concrete ground foundation, characterized by: The concrete foundation is provided with three temporary storage chamber bodies (1). A main shaft (4) is rotatably installed inside the temporary storage chamber body (1). A stirring blade (5) is fixedly installed at equal intervals on the outside of the main shaft (4). Support frames (12) are fixedly connected at equal intervals on both sides of the main shaft (4). A side wall scraper (6) is fixedly connected between the two support frames (12). An installation frame (2) is fixedly connected inside the temporary storage bin body (1) and below the main shaft (4). A rotating rod (13) is provided at the bottom end of the installation frame (2). A coupling (3) is installed inside the installation frame (2). The main shaft (4) and the rotating rod (13) are connected through the coupling (3). A bottom wall scraper (14) is fixedly connected to the end of the rotating rod (13) away from the installation frame (2).

2. The asphalt concrete temporary storage bin temperature control system of claim 1, wherein: The temporary storage chamber body (1) is equipped with a monitoring component, which includes a thermocouple thermometer (17) embedded in the inner wall of the temporary storage chamber body (1), an infrared thermometer (16) fixedly installed at the top of the inner wall of the temporary storage chamber body (1), and a controller (15) fixedly installed at the top of the concrete foundation.

3. The asphalt concrete temporary storage bin temperature control system of claim 2, wherein: The top of the temporary storage chamber body (1) is provided with a heating component, which includes an electric heating steam engine (7) fixedly installed on the top of the temporary storage chamber body (1). The top of the main shaft (4) extends to the outside of the temporary storage chamber body (1) and is fixedly connected to a rotary joint (8). The output end of the electric heating steam engine (7) is fixedly connected to the top of the rotary joint (8). The main shaft (4) has an array of air vents (18).

4. The asphalt concrete temporary storage bin temperature control system of claim 3, wherein: The top of the temporary storage bin body (1) is provided with a transmission assembly, which includes a servo motor (9) fixedly installed on the top of the temporary storage bin body (1). The output shaft of the servo motor (9) extends into the interior of the temporary storage bin body (1) and is fixedly connected to a drive gear (10). A driven gear (11) is fixedly connected to the outside of the main shaft (4). The driven gear (11) meshes with the drive gear (10).

5. The asphalt concrete temporary storage bin temperature control system of claim 1, wherein: The bottom of the inner wall of the temporary storage bin body (1) is provided with an inclined surface to facilitate material discharge. The bottom wall scraper (14) is in contact with the inclined surface, and the side wall scraper (6) is in contact with the inner wall of the temporary storage bin body (1).

6. The asphalt concrete temporary storage bin temperature control system of claim 1, wherein: The outer side of the temporary storage bin body (1) is fixedly connected to a feed inlet, and a connecting flange is fixedly installed on the top of the feed inlet.

7. The asphalt concrete temporary storage bin temperature control system of claim 1, wherein: Each of the temporary storage bins (1) has a support beam fixedly installed at its bottom end, and the support beam is welded to a concrete foundation.

8. The asphalt concrete surge bin temperature control system of claim 4, wherein: The electric heating steam engine (7), servo motor (9), infrared thermometer (16) and thermocouple thermometer (17) are all electrically connected to the controller (15).

Citation Information

Patent Citations

  • Temporary storage system for asphalt concrete finished material

    CN202543769U