CN217419213U

CN217419213U - Residual heat utilization device for asphalt mixture mixing plant

Info

Publication number: CN217419213U
Application number: CN202221508946.5U
Authority: CN
Inventors: 刘以春; 高震; 杨相凯; 高文康; 尹立健; 陈象文; 蔡浚隆; 戚玉鑫
Original assignee: Qingdao Beite Heavy Industry Co ltd
Current assignee: Qingdao Beite Heavy Industry Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-09-13
Anticipated expiration: 2032-06-17

Abstract

The utility model relates to the technical field of asphalt production, in particular to a waste heat utilization device of an asphalt mixture mixing station, which comprises a heating mixing drum and a drying drum, wherein the left side of the heating mixing drum is provided with the drying drum, the upper ends of the heating mixing drum and the drying drum are hermetically connected with a water injection pipe, the lower ends of the heating mixing drum and the drying drum are hermetically connected with a water pumping pipe, the water injection pipe and the inner end of the water pumping pipe are hermetically connected with a connecting frame, the inner side of the connecting frame is rotationally connected with a flow guide rotating plate, in the utility model, a driven gear can drive the flow guide rotating plate to rotate by the rotation of a transmission gear through the arranged connecting frame, the flow guide rotating plate and the transmission gear, so that a flow guide hole in the flow guide rotating plate can be directionally adjusted, and further the liquid in a water injection groove in the heating mixing drum can be pumped out into the water injection groove in the drying drum, meanwhile, water in the water injection tank in the drying cylinder can be pumped out, so that the preheating can be recycled conveniently.

Description

Residual heat utilization device for asphalt mixture mixing plant

Technical Field

The utility model relates to a pitch production technical field specifically is a bituminous mixture stirring station waste heat utilization equipment.

Background

With the development of society, the application of asphalt mixing plants is becoming more extensive, and asphalt mixing plants, also known as asphalt concrete mixing plants, are complete sets for producing asphalt concrete in batches, can produce asphalt mixture, modified asphalt mixture and color asphalt mixture, and are necessary equipment for building expressways, grade highways, municipal roads, airports and ports.

In the prior art, when an asphalt mixing plant heats and mixes a mixture, heat can only exist in a mixing drum and waste heat cannot be fully utilized, so that heat loss is easily caused in a non-mixing state, and the heat cannot be fully utilized; in the heating and stirring process, the discharged flue gas is not purified and discharged, so that the environment is easily polluted, a large amount of heat is easily lost, and the energy utilization rate is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bituminous mixture stirring station waste heat utilization equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an asphalt mixture stirring station waste heat utilization equipment, includes heating mixing drum and a stoving section of thick bamboo, the left side of heating mixing drum is equipped with a stoving section of thick bamboo, the equal sealing connection in upper end of heating mixing drum and a stoving section of thick bamboo has the water injection pipe, the equal sealing connection in lower extreme of heating mixing drum and a stoving section of thick bamboo has the drinking-water pipe, the equal sealing connection in inner of water injection pipe and drinking-water pipe has the carriage, the inboard rotation of carriage is connected with the water conservancy diversion rotor plate, the inboard sealing connection of carriage has the water pump.

Preferably, the rear end of the heating and stirring cylinder is hermetically connected with a smoke exhaust pipe, the left side of the lower end of the smoke exhaust pipe is hermetically connected with a purification box, the left end of the purification box is hermetically connected with a heat conduction pipe, and the heat conduction pipe is hermetically connected with the drying cylinder.

Preferably, the outer side of the diversion rotating plate is fixedly connected with a driven gear, the left end of the driven gear is meshed with a transmission gear, the inner end of the transmission gear is provided with a motor, an output shaft of the motor is fixedly connected with the transmission gear, and the motor is fixedly connected with the connecting frame.

Preferably, water injection grooves are formed in the inner walls of the heating and stirring cylinder and the drying cylinder.

Preferably, the guide rotating plate is internally provided with guide holes.

Preferably, the inside left side fixedly connected with carriage of purifying box, the inboard rotation of carriage is connected with the heat conduction fan.

Preferably, the right end of the interior of the purifying box is fixedly connected with a filtering frame, and the inner side of the filtering frame is fixedly connected with a filtering net.

Preferably, the middle position in the purification box is fixedly connected with an adsorption frame, and the inner side of the adsorption frame is provided with adsorption filler.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the driven gear can drive the guide rotating plate to rotate by utilizing the rotation of the transmission gear through the connecting frame, the guide rotating plate and the transmission gear, so that the guide holes in the guide rotating plate can be subjected to direction adjustment, and further the liquid in the water injection groove in the heating and stirring cylinder can be pumped out and injected into the water injection groove in the drying cylinder, and further the preheating can be recycled;

2. the utility model discloses in, through the heat conduction fan that sets up, filter screen and absorption stopping, the effect that utilizes the heat conduction fan makes the steam in the heating churn discharge through the pipe of discharging fume to can filter subsidiary smoke and dust through the filter screen that sets up, and utilize the absorption stopping of setting to absorb the moisture in the flue gas, and then make the flue gas that carries the heat can obtain filling after the intensive purification in the drying cylinder, the stoving of the material of being convenient for is used, and can make the stirring station waste heat can obtain make full use of.

Drawings

Fig. 1 is a schematic view of the overall installation structure of the present invention;

fig. 2 is a schematic view of the installation structure at a of fig. 1 according to the present invention;

FIG. 3 is a sectional view of the mounting structure of the connecting frame, the guide rotating plate and the driven gear of the present invention;

fig. 4 is a sectional view of the installation structure of the purification box of the present invention.

In the figure: 1. heating the mixing drum; 2. a drying drum; 3. a water injection pipe; 4. a water pumping pipe; 5. a connecting frame; 6. a guide rotating plate; 7. a water pump; 8. a smoke exhaust pipe; 9. a purification box; 10. a heat conducting pipe; 11. a driven gear; 12. a transmission gear; 13. a motor; 14. a water injection tank; 15. a flow guide hole; 16. a support frame; 17. a heat conducting fan; 18. a filter frame; 19. a filter screen; 20. an adsorption frame; 21. adsorbing the filling material.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment 1, please refer to fig. 1-4, the present invention provides a technical solution: a waste heat utilization device of an asphalt mixture mixing station comprises a heating mixing drum 1 and a drying drum 2, wherein the left side of the heating mixing drum 1 is provided with the drying drum 2, the upper ends of the heating mixing drum 1 and the drying drum 2 are hermetically connected with water injection pipes 3, the lower ends of the heating mixing drum 1 and the drying drum 2 are hermetically connected with water pumping pipes 4, the inner ends of the water injection pipes 3 and the water pumping pipes 4 are hermetically connected with a connecting frame 5, the inner side of the connecting frame 5 is rotatably connected with a diversion rotating plate 6, the inner side of the connecting frame 5 is hermetically connected with a water pump 7, the outer side of the diversion rotating plate 6 is fixedly connected with a driven gear 11, the left end of the driven gear 11 is meshed and connected with a transmission gear 12, the inner end of the transmission gear 12 is provided with a motor 13, the output shaft of the motor 13 is fixedly connected with the transmission gear 12, the motor 13 is fixedly connected with the connecting frame 5, water injection grooves 14 are formed in the inner walls of the heating mixing drum 1 and the drying drum 2, diversion hole 15 has been seted up to the inside of water conservancy diversion rotor plate 6, the drinking-water pipe 4 that makes the right side through the effect of water pump 7 can be with carrying thermal liquid can through the water injection tank 14 in the left water injection pipe 3 pours into drying cylinder 2 into, and then can carry out preheating treatment to drying cylinder 2, be convenient for preheat the use to the material in drying cylinder 2, simultaneously when carrying out the mixture stirring, make drive gear 12 can drive driven gear 11 through the rotation to motor 13 and rotate, and then make diversion rotor plate 6 can rotate, and then make diversion hole 15 can carry out the direction control, and then make the liquid in drying cylinder 2 can pour into the water injection tank 14 in the heating mixing cylinder 1 under the effect of water pump 7, and then be convenient for recycle the waste heat to the pitch mixing plant, promote waste heat utilization ratio.

Example 2: referring to fig. 1 and fig. 4, the present embodiment is different from embodiment 1 in that: the rear end of the heating and stirring cylinder 1 is hermetically connected with a smoke exhaust pipe 8, the left side of the lower end of the smoke exhaust pipe 8 is hermetically connected with a purification box 9, the left end of the purification box 9 is hermetically connected with a heat conduction pipe 10, the heat conduction pipe 10 is hermetically connected with the drying cylinder 2, the left side inside the purification box 9 is fixedly connected with a supporting frame 16, the inner side of the supporting frame 16 is rotatably connected with a heat conduction fan 17, the right end inside the purification box 9 is fixedly connected with a filtering frame 18, the inner side of the filtering frame 18 is fixedly connected with a filter screen 19, the middle position inside the purification box 9 is fixedly connected with an adsorption frame 20, the inner side of the adsorption frame 20 is provided with an adsorption filler 21, smoke carrying heat in the heating and stirring cylinder 1 can be filled into the purification box 9 through the smoke exhaust pipe 8 by the rotation of the heat conduction fan 17, dust can be filtered through the arranged filter screen 19, and meanwhile, the adsorption filler 21 can be used for carrying out adsorption filtration treatment on moisture and harmful substances, and then make the flue gas can be in obtaining fully purifying the back and pour into drying cylinder 2 into, and then be convenient for the emission of flue gas and use, promote thermal recycle rate simultaneously.

The working process is as follows: when the device is used, an external power supply is adopted for supplying power, when mixture stirring is carried out at an asphalt mixing plant, the water pumping pipe 4 on the right side can inject liquid carrying heat into the water injection groove 14 in the drying cylinder 2 through the water injection pipe 3 on the left side under the action of the water pump 7, further the drying cylinder 2 can be preheated, the material in the drying cylinder 2 can be conveniently preheated for use, meanwhile, when the mixture stirring is carried out, the transmission gear 12 can drive the driven gear 11 to rotate through the rotation of the motor 13, further the flow guide rotating plate 6 can rotate, further the flow guide hole 15 can be subjected to direction adjustment, further the liquid in the drying cylinder 2 can be injected into the water injection groove 14 in the heating mixing cylinder 1 under the action of the water pump 7, further the waste heat of the asphalt mixing plant can be conveniently recycled, the waste heat utilization rate is improved, and the flue gas carrying heat in the heating mixing cylinder 1 can be filled through the smoke exhaust pipe 8 through the rotation of the heat conduction fan 17, and the flue gas can be conveniently used for recycling Go into the purifying box 9 to filter the dirt body through the filter screen 19 that sets up, can adsorb filtration treatment to moisture and harmful substance through the absorption stopping 21 that sets up simultaneously, and then make the flue gas pour into drying cylinder 2 into after obtaining fully purifying in, and then the emission of the flue gas of being convenient for is used, promotes thermal recycle simultaneously and rates.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an asphalt mixture stirring station waste heat utilization equipment, includes heating churn (1) and stoving section of thick bamboo (2), its characterized in that: the left side of heating and mixing drum (1) is equipped with drying drum (2), the equal sealing connection in upper end of heating and mixing drum (1) and drying drum (2) has water injection pipe (3), the equal sealing connection in lower extreme of heating and mixing drum (1) and drying drum (2) has drinking-water pipe (4), water injection pipe (3) and the equal sealing connection in inner of drinking-water pipe (4) have connect frame (5), the inboard rotation of connect frame (5) is connected with water conservancy diversion rotor plate (6), the inboard sealing connection of connect frame (5) has water pump (7).

2. The waste heat utilization device of the asphalt mixing plant according to claim 1, characterized in that: the rear end sealing connection of heating churn (1) has a tub (8) of discharging fume, the lower extreme left side sealing connection of tub (8) of discharging fume has purifying box (9), the left end sealing connection of purifying box (9) has heat pipe (10), sealing connection between heat pipe (10) and the stoving section of thick bamboo (2).

3. The waste heat utilization device of the asphalt mixing plant according to claim 1, characterized in that: the outer side of the diversion rotating plate (6) is fixedly connected with a driven gear (11), the left end of the driven gear (11) is meshed with a transmission gear (12), the inner end of the transmission gear (12) is provided with a motor (13), an output shaft of the motor (13) is fixedly connected with the transmission gear (12), and the motor (13) is fixedly connected with the connecting frame (5).

4. The waste heat utilization device of the asphalt mixing plant according to claim 1, characterized in that: and water injection grooves (14) are formed in the inner walls of the heating and stirring cylinder (1) and the drying cylinder (2).

5. The waste heat utilization device of the asphalt mixing plant according to claim 1, characterized in that: the inside of the diversion rotating plate (6) is provided with diversion holes (15).

6. The waste heat utilization device of the asphalt mixing plant according to claim 2, characterized in that: the inside left side fixedly connected with carriage (16) of purifying box (9), the inboard rotation of carriage (16) is connected with heat conduction fan (17).

7. The waste heat utilization device of the asphalt mixing plant according to claim 2, characterized in that: the right end of the interior of the purifying box (9) is fixedly connected with a filtering frame (18), and the inner side of the filtering frame (18) is fixedly connected with a filtering net (19).

8. The waste heat utilization device of the asphalt mixing plant according to claim 2, characterized in that: an adsorption frame (20) is fixedly connected to the middle position inside the purification box (9), and adsorption filling materials (21) are arranged on the inner side of the adsorption frame (20).