Bituminous pavement hot in-place recycling construction device

Abstract

The utility model discloses an asphalt pavement hot in-place recycling construction device which comprises a frame body, a liquid gas storage tank and an infrared heating plate connected with the liquid gas storage tank through a pipeline are arranged above the frame body, walking wheels are arranged at the four corners of the bottom of the frame body, and a pair of gas suction boxes is fixedly arranged on the two sides of the frame body. The utility model relates to the technical field of asphalt thermal regeneration, the plurality of air suction pipes are arranged on the lower wall of the air suction box, and the lower ends of the air suction pipes incline towards the center of the lower wall of the frame body, so that smoke generated in the heating process can be effectively collected, and the smoke in the air suction box is introduced into the filter box by the suction fan through the guide pipe for centralized treatment. The flue gas is prevented from being directly discharged into the air, and the influence on the environment is reduced; the fixing assembly comprises a fixing frame, a V-shaped clamping groove, a screw rod, a chuck, a hand wheel and the like, a user can conveniently and manually fix liquid gas storage tanks of different sizes, and the stability of the liquid gas storage tanks in the construction process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to technical fields, concretely is a kind of asphalt pavement in-situ hot recycling construction device. BACKGROUND

[0002] In the maintenance and repair work of asphalt pavement, in-situ hot recycling construction technology is widely used due to its advantages of high efficiency, environmental protection and economy. However, the existing asphalt pavement in-situ hot recycling construction device has many shortcomings. For example, during the process of heating the asphalt pavement, the traditional device will produce a large amount of smoke and harmful gas. If these pollutants are directly discharged into the atmosphere, not only will it cause serious pollution to the environment, but also will affect the health of construction personnel. At the same time, the fixing way of some devices for liquefied gas tank and other fuel storage equipment is not stable enough, which may cause the liquefied gas tank to shift or even tip over due to vibration and other factors during the construction process, causing safety accidents. SUMMARY

[0003] In view of the shortcomings of the prior art, the utility model provides an asphalt pavement in-situ hot recycling construction device, which solves the problem of air pollution caused by irritating odor during heating of the existing asphalt pavement.

[0004] To achieve the above purpose, the utility model realizes the following technical scheme: an asphalt pavement in-situ hot recycling construction device, comprising a frame, a liquefied gas tank and an infrared heating plate connected with the liquefied gas tank through a pipeline are arranged above the frame, walking wheels are arranged at the four corners of the bottom of the frame, characterized in that a pair of air suction boxes are fixedly arranged on the two sides of the frame, a plurality of air suction pipes are arranged on the lower wall of the air suction box, a filter box is arranged on the upper wall of the frame, a suction fan is arranged on the top of the filter box, and the lower side wall is connected with a pair of pipes through a tee joint, one end of a pair of pipes is communicated with the upper wall of a pair of air suction boxes, a filter assembly is arranged in the filter box, and a fixing assembly for fixing the liquefied gas tank is arranged on the frame.

[0005] Preferably, the filter assembly comprises a filter cartridge arranged in the filter box, an opening connected with the input end of the suction fan is arranged on the upper wall of the filter box, a ring seat is fixedly arranged below the opening, the upper end of the filter cartridge is screwed with the outer wall of the ring seat, a supporting ring is arranged in the filter cartridge, an activated carbon filter screen is arranged above the supporting ring, and the lower wall of the ring seat abuts against the upper wall of the activated carbon filter screen.

[0006] Preferably, the fixing assembly comprises a fixing frame arranged on the upper wall of the frame, a V-shaped clamping groove is arranged in the fixing frame, a screw rod is screwed on the side of the fixing frame away from the V-shaped clamping groove, a chuck is arranged at one end of the screw rod, and a hand wheel is arranged at the other end of the screw rod.

[0007] Preferably, a smoke baffle is fixedly arranged on the lower wall of a pair of air suction boxes.

[0008] Preferably, the lower end of the air suction pipe is inclined to the center of the lower wall of the frame body.

[0009] Preferably, a push handle is arranged on one side of the frame body.

[0010] Advantages

[0011] The asphalt pavement in-situ hot recycling construction device has the following advantages:

[0012] The lower wall of the air suction box is provided with a plurality of air suction pipes, the lower end of the air suction pipe is inclined to the center of the lower wall of the frame body, the generated flue gas in the heating process can be effectively collected, the air suction fan introduces the flue gas in the air suction box into the filter box through the pipeline for centralized treatment, direct flue gas discharge into the air is avoided, and the influence on the environment is reduced.

[0013] The fixing assembly includes a fixing frame, a V-shaped clamping groove, a screw rod, a chuck, a hand wheel and the like, different sizes of liquefied gas tanks can be conveniently fixed by the user, the stability of the liquefied gas tank in the construction process is ensured, the whole device can be conveniently pushed due to the design of the push handle, the operation process is simplified, and the work efficiency is improved.

[0014] To sum up, the device realizes efficient heating and flue gas treatment of the asphalt pavement through the design of the frame body, the liquefied gas tank, the infrared heating plate, the walking wheel, the air suction box, the air suction pipe, the filter box, the air suction fan, the pipeline, the filter assembly and the fixing assembly. The design not only improves the construction efficiency, but also reduces environmental pollution, and ensures the safety and environmental protection of the construction site. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model.

[0016] Figure 2 It is a partial side view structural schematic view of the utility model.

[0017] Figure 3 It is a top view structural schematic view of the fixing assembly of the utility model.

[0018] Figure 4 It is a partial enlarged structural schematic view of the utility model.

[0019] In the drawing: 1, frame body; 2, liquefied gas tank; 3, infrared heating plate; 4, walking wheel; 5, air suction box; 6, air suction pipe; 7, filter box; 8, air suction fan; 9, pipeline; 10, filter cartridge; 11, ring seat; 12, supporting ring; 13, activated carbon filter screen; 14, fixing frame; 15, V-shaped clamping groove; 16, screw rod; 17, chuck; 18, smoke baffle; 19, push handle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0021] Please refer to Figures 1-2 The utility model provides a kind of technical scheme: a bituminous pavement in situ hot recycling construction device, including frame body 1, the frame body 1 top is equipped with liquefied gas tank 2 and with liquefied gas tank 2 through pipeline connection infrared heating plate 3, the frame body 1 bottom four corners are equipped with walking wheel 4, it is characterized in that, the frame body 1 both sides are fixed with a pair of suction box 5, the suction box 5 lower wall is equipped with several suction pipes 6, the frame body 1 upper wall is equipped with filter box 7, the filter box 7 top is equipped with suction fan 8, and lower side wall is connected with a pair of duct 9 by tee joint, one end of a pair of described duct 9 is communicated with the upper wall of a pair of described suction box 5, the filter box 7 is equipped with filter assembly, the frame body 1 is equipped with the fixed assembly for fixing liquefied gas tank 2.

[0022] By adopting the above technical scheme, infrared heating plate 3 can heat the bituminous pavement, the lower wall of the suction box 5 is provided with a plurality of suction pipes 6 for absorbing the smoke and harmful gases generated during the heating process, and one end of the pair of ducts 9 is communicated with the upper wall of the pair of suction boxes 5, which ensures that the smoke and harmful gases can be effectively sucked into the filter box 7. The setting of the filter assembly is used to purify the inhaled gas, prevent pollution of the environment, and the fixed assembly can ensure the stability of the liquefied gas tank 2 during use, realize the in-situ hot recycling construction of the bituminous pavement, improve the construction efficiency and quality, and effectively reduce the environmental pollution during construction by the setting of the suction box 5 and the filter system, and protect the health of the construction personnel.

[0023] The embodiment is further provided, the filter assembly includes filter cartridge 10 arranged in the filter box 7, the upper wall of the filter box 7 is provided with an opening connected with the input end of the suction fan 8, the lower wall of the opening is fixedly provided with a ring seat 11, the upper end of the filter cartridge 10 is screwed with the outer wall of the ring seat 11, the filter cartridge 10 is provided with a support ring 12, the upper side of the support ring 12 is provided with an activated carbon filter screen 13, and the lower wall of the ring seat 11 abuts against the upper wall of the activated carbon filter screen 13.

[0024] By adopting the above technical scheme, the upper end of the filter cartridge 10 is screwed with the outer wall of the ring seat 11, which facilitates the installation and removal of the filter cartridge 10, and the filter cartridge 10 can preliminarily filter the flue gas, and then the activated carbon filter screen 13 inside the filter cartridge 10 filters the flue gas again, ensuring the sufficient purification of the inhaled gas.

[0025] The embodiment is further provided with a fixing assembly, which comprises a fixing frame 14 arranged on the upper wall of the frame body 1, a V-shaped clamping groove 15 arranged in the fixing frame 14, a screw rod 16 rotatably connected to the side of the fixing frame 14 away from the V-shaped clamping groove 15, a chuck 17 arranged at one end of the screw rod 16, and a hand wheel arranged at the other end of the screw rod 16.

[0026] By rotating the hand wheel, the position of the screw rod 16 can be adjusted, so that the chuck 17 clamps the liquefied gas tank 2 in cooperation with the V-shaped clamping groove 15, thereby ensuring stable fixation.

[0027] The embodiment is further provided with a pair of smoke blocking covers 18 fixedly arranged on the lower wall of the air suction box 5.

[0028] By adopting the above technical scheme, the smoke blocking cover 18 is used to block and guide the smoke generated in the heating process into the air suction pipe 6, thereby preventing the smoke from spreading to the surrounding environment.

[0029] The embodiment is further provided with that the lower end of the air suction pipe 6 is inclined to the center of the lower wall of the frame body 1.

[0030] By adopting the above technical scheme, the air suction pipe 6 is closer to the heating area, thereby improving the collection efficiency of the smoke and harmful gas.

[0031] The embodiment is further provided with a push handle 19 fixedly arranged on one side of the frame body 1.

[0032] By adopting the above technical scheme, the push handle 19 facilitates the operator to push the entire device to move in the construction area.

[0033] By connecting the parts in the case in sequence, the specific connection and operation sequence should be referred to the following working principle, and the detailed connection means is the public technical knowledge in the field, and the following mainly introduces the working principle and process.

[0034] In the working process, the liquefied gas tank 2 is placed in the fixing frame 14 on the frame body 1, the chuck 17 is fastened to the liquefied gas tank 2 by rotating the hand wheel, the liquefied gas tank 2 is then ensured to be stable, the liquefied gas tank 2 is connected to the infrared heating plate 3 through the pipeline, the device is moved to the area to be treated by pushing the push handle 19, the liquefied gas tank 2 is opened, the infrared heating plate 3 is started, the asphalt pavement is heated and treated, the old asphalt material is softened, the air suction fan 8 is started, the smoke generated in the heating process is sucked into the air suction box 5 through the air suction pipe 6, and then introduced into the filter box 7 through the conduit 9, the smoke enters the filter box 7, is preliminarily filtered by the filter cartridge 10, moves upward in the filter cartridge 10, is secondarily filtered by the activated carbon filter screen 13, and is deodorized, thereby effectively purifying the gas, removing harmful substances, and ensuring that the discharged gas meets the environmental protection requirements, and the device is convenient to use.

[0035] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0036] While embodiments of the present application have been shown and described with reference to the figures, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the spirit and scope of the present application, which should be limited only by the scope of the appended claims and the equivalents thereof.

Claims

1. An in-situ thermal recycling construction device for asphalt pavement, comprising a frame (1), wherein a liquefied petroleum gas (LPG) tank (2) and an infrared heating plate (3) connected to the LPG tank (2) via a pipeline are provided on the top of the frame (1), and four wheels (4) are provided at the bottom corners of the frame (1), characterized in that, A pair of suction boxes (5) are fixedly provided on both sides of the frame (1). Several suction pipes (6) are provided on the lower wall of the suction box (5). A filter box (7) is provided on the upper wall of the frame (1). A suction fan (8) is provided on the top of the filter box (7). The lower side wall is connected to a pair of conduits (9) through a three-way connector. One end of the pair of conduits (9) is connected to the upper wall of the pair of suction boxes (5). A filter assembly is provided inside the filter box (7). A fixing assembly for fixing the liquefied gas tank (2) is provided on the frame (1).

2. The asphalt pavement in-situ thermal recycling construction device according to claim 1, characterized in that, The filter assembly includes a filter cartridge (10) disposed in the filter box (7). The upper wall of the filter box (7) is provided with an opening connected to the input end of the suction fan (8). A ring seat (11) is fixedly provided below the opening. The upper end of the filter cartridge (10) is screwed to the outer wall of the ring seat (11) by a thread. A support ring (12) is provided inside the filter cartridge (10). An activated carbon filter screen (13) is provided above the support ring (12). The lower wall of the ring seat (11) abuts against the upper wall of the activated carbon filter screen (13).

3. The asphalt pavement in-situ thermal recycling construction device according to claim 2, characterized in that, The fixing component includes a fixing frame (14) provided on the upper wall of the frame (1). The fixing frame (14) is provided with a V-shaped clamping groove (15). A screw (16) is screwed onto the side of the fixing frame (14) away from the V-shaped clamping groove (15). One end of the screw (16) is provided with a chuck (17), and the other end is provided with a handwheel.

4. The asphalt pavement in-situ thermal recycling construction device according to claim 3, characterized in that, A smoke shield (18) is fixedly provided on the lower wall of the pair of air intake boxes (5).

5. The asphalt pavement in-situ thermal recycling construction device according to claim 1, characterized in that, The lower end of the air intake pipe (6) is inclined toward the center of the lower wall of the frame (1).

6. The asphalt pavement in-situ thermal recycling construction device according to claim 5, characterized in that, A pusher (19) is fixedly provided on one side of the frame (1).

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