CN211548456U

CN211548456U - Combustion heating device and hot-melt paving waterproof roll locomotive

Info

Publication number: CN211548456U
Application number: CN201921961072.7U
Authority: CN
Inventors: 林海侠; 辛文超; 王新
Original assignee: Dongfang Yuhong Intelligent Equipment Co ltd
Current assignee: Dongfang Yuhong Intelligent Equipment Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-09-22
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a burning heating device and hot melt waterproofing membrane locomotive that paves, burning heating device includes: the flat flame burners are arranged on one side of the gas supply pipeline in parallel along the axial direction of the gas supply pipeline; the flat flame burner comprises a combustion pipeline and a combustion head, wherein the inlet end of the combustion pipeline is communicated with an air supply pipeline, a rotational flow assembly is arranged inside the outlet end of the combustion pipeline, one end of the combustion head is connected with the outlet end of the combustion pipeline, and the other end of the combustion head is horn-shaped. The swirl component is arranged inside the outlet end of the combustion pipeline of the flat flame burner, so that fuel gas can flow along the axial direction and the circumferential direction of the pipeline in the combustion pipeline, the flame channel formed by the horn-shaped combustion head can enable the sprayed flame to form disc-shaped circular flame, the heating area of the coiled material is increased, the combustion heat efficiency is improved, and the energy consumption is reduced.

Description

Combustion heating device and hot-melt paving waterproof roll locomotive

Technical Field

The utility model relates to a waterproofing membrane construction equipment technical field, more specifically relates to a burning heating device and hot melt waterproofing membrane locomotive that paves.

Background

The combustion heating device of the existing hot-melt paving waterproof coiled material locomotive (hereinafter referred to as a paving vehicle) comprises: combustion chamber and hybrid chamber, the hybrid chamber is provided with gas entry end, air entry end, exit end, and the exit end is connected in the combustion chamber. This combustion chamber is the tubular combustor, and transverse arrangement about following the spreading car, the combustor leads to producing the radian and warp because of the front and back difference in temperature in the work progress, and then influences the thermal distribution of burning, leads to the coiled material to melt inhomogeneous.

The flame that the fire hole of tubular burner was given vent to anger and is formed when burning is toper flame, sprays to coiled material surface after to disperse all around again, and the combustion chamber space that forms between coiled material and the car that paves is less, and directly links to each other with atmospheric environment, leads to the thermal efficiency of the car that paves to hang on the low side.

It is therefore desirable to provide a combustion heating apparatus that improves the thermal efficiency and makes the coil heated more uniformly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a burning heating device and hot melt waterproofing membrane locomotive that paves realizes the increasing of heat efficiency and makes the coiled material be heated more evenly.

In order to achieve the above object, the utility model provides a combustion heating device, include: the flat flame combustor comprises a gas supply pipeline and a plurality of flat flame combustors, wherein the flat flame combustors are arranged on one side of the gas supply pipeline in parallel along the axial direction of the gas supply pipeline;

the flat flame burner comprises a combustion pipeline and a combustion head, wherein the inlet end of the combustion pipeline is communicated with the gas supply pipeline, a cyclone assembly is arranged inside the outlet end of the combustion pipeline, one end of the combustion head is connected with the outlet end of the combustion pipeline, and the other end of the combustion head is in a horn shape.

Optionally, the swirl assembly comprises a plurality of helical blades, which are arranged in the outlet end of the combustion conduit at successively equal intervals.

Optionally, the helical blade is helically wound at least once around the inner wall of the combustion conduit.

Optionally, the axial direction of the combustion duct is perpendicular to the axial direction of the air supply duct.

Optionally, one end of the gas supply pipeline is closed, and the other end of the gas supply pipeline is connected with the gas supply end.

Optionally, a row of air outlets is arranged on the pipe wall of the air supply pipeline, and each air outlet is connected with one inlet end of the combustion pipeline.

The utility model also provides a hot melt waterproofing membrane locomotive that paves, including above combustion heating device.

Optionally, still include the automobile body, the automobile body front end is equipped with the gas mixing chamber, the rear end of automobile body is equipped with waterproofing membrane mechanism of paving.

Optionally, a plurality of flat flame burners of the combustion heating device are arranged at the bottom of the vehicle body in the front-rear direction of the vehicle body, and the combustion heads of the flat flame burners face the surface of the waterproof roll.

Optionally, an air supply pipeline of the combustion heating device is communicated with the gas mixing cavity.

The beneficial effects of the utility model reside in that:

the internal portion of exit end through the burning pipeline at flat flame combustor sets up whirl subassembly and can make the gas flow along the axial + circumference of pipeline in the burning pipeline, and the combustion head of loudspeaker form can make the flame that sprays form discoid circular flame, has increased waterproofing membrane's heated area, makes the coiled material be heated more evenly, has improved the combustion thermal efficiency, has reduced the energy resource consumption.

Adopt burning heating device's hot melt waterproofing membrane locomotive that paves, because the gas burns in every combustion conduit and effectively reduces the holistic thermal deformation of burning heating device, can reduce the hot stress of hot melt waterproofing membrane locomotive that paves and make the coiled material be heated more evenly, improved waterproofing membrane's the effect of paving.

The apparatus of the present invention has other features and advantages which will be apparent from or are set forth in more detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the invention.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments of the present invention with reference to the attached drawings, in which like reference numerals generally represent like parts.

Fig. 1 shows a schematic view of the overall structure of a combustion heating device according to an embodiment of the present invention.

Fig. 2 shows a schematic partial view of a swirl assembly of a combustion heating apparatus according to an embodiment of the invention.

Fig. 3 shows a schematic diagram of a waterproofing membrane locomotive hot-melt paving waterproofing membrane locomotive applying a combustion heating device according to an embodiment of the present invention.

Description of reference numerals:

1. a combustion heating device; 2. a gas supply duct; 3. a flat flame burner; 4. a combustion conduit; 5. a burner head; 6. a helical blade; 7. hot-melting paving waterproof coiled material locomotive; 8. a waterproof roll.

Detailed Description

The invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, it is to be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

Fig. 1 shows a schematic view of the overall structure of a combustion heating device according to an embodiment of the present invention, as shown in fig. 1, according to the present invention, a combustion heating device 1 includes: the gas supply device comprises a gas supply pipeline 2 and a plurality of flat flame burners 3, wherein the plurality of flat flame burners 3 are arranged on one side of the gas supply pipeline 2 in parallel along the axial direction of the gas supply pipeline 2; the flat flame burner 3 comprises a combustion pipeline 4 and a combustion head 5, wherein the inlet end of the combustion pipeline 4 is communicated with the gas supply pipeline 2, a cyclone assembly is arranged inside the outlet end of the combustion pipeline 4, one end of the combustion head 5 is connected with the outlet end of the combustion pipeline 4, and the other end of the combustion head 5 is horn-shaped.

Specifically, through set up whirl subassembly in the combustion duct 4 exit end inside of flat flame combustor 3 can make the gas flow along the axial + circumference of pipeline in combustion duct 4, the flame path that the combustion head 5 of loudspeaker form formed can make the flame that sprays form discoid circular flame, has increased the heated area of coiled material, has improved combustion heat efficiency, has reduced energy consumption. The surface of the coiled material can be heated simultaneously through a plurality of flat flame burners 3 arranged side by side, so that the waterproof coiled material 8 is heated uniformly. The number of the flat flame burners 3 can be set according to the width of the waterproof roll 8 and the size of the circular flame path, and will not be described in detail herein.

In this embodiment, the swirl component includes a plurality of helical blades 6, and a plurality of helical blades 6 are arranged in the outlet end of the combustion pipe 4 at equal intervals in sequence. The helical blade 6 is spirally wound along the inner wall of the combustion pipe 4.

Specifically, referring to fig. 2, the swirl component includes a plurality of helical blades 6 that set up in combustion duct 4, is equipped with the interval between a plurality of helical blades 6, and every helical blade 6 encircles a week along 4 inner wall spirals of combustion duct and forms a shorter helical channel, and a plurality of helical blades 6 can make the gas that passes through produce axial + circumferential air current in turn, and then form discoid circular flame in the combustion head 5 department of tubaeform, increase heating area, improve the thermal efficiency that burns. In the specific implementation process, an ignition device can be arranged at the combustion head 5, and the gas sprayed out from the combustion head 5 from the outside can be ignited by using an external ignition mode when the device starts to operate. The utility model discloses an in other embodiments, helical blade 6 can be the form of a long helical blade 6, and the whirl subassembly also can be other current swirler structures, but the regional exit end that should include combustion tube 4 at least that sets up of whirl subassembly, can set up according to specific demands to technical personnel in the field such as the concrete form of whirl subassembly, length, structure, and no longer give consideration to here.

In the present embodiment, the axial direction of the combustion duct 4 is perpendicular to the axial direction of the air supply duct 2. Specifically, referring to fig. 1, the axial direction of the combustion pipe 4 is perpendicular to the axial direction of the gas supply pipe 2, and the plurality of flat flame burners 3 are distributed in a row and on one side of the gas supply pipe, so as to facilitate heating of the surface of the waterproof roll 8.

In this embodiment, one end of the gas supply line 2 is closed, and the other end is connected to the gas supply end. The wall of the gas supply pipe 2 is provided with a row of gas outlets, and each gas outlet is connected with the inlet end of one combustion pipe 4. In another embodiment of the present invention, the gas supply pipeline 2 may have two ends sealed, and an air inlet is disposed on the opposite side of the pipe wall of the gas supply pipeline 2 from the gas exhaust pipeline and connected to the gas supply end.

The utility model also provides a waterproofing membrane locomotive hot melt waterproofing membrane locomotive 7 that paves, combustion heating device 1 more than. Waterproofing membrane locomotive hot melt waterproofing membrane locomotive 7 that paves includes the automobile body, and the automobile body front end is equipped with the gas mixing chamber, and the rear end of automobile body is equipped with waterproofing membrane 8 mechanism that paves. The plurality of flat flame burners 3 of the combustion heating device 1 are provided at the bottom of the vehicle body in the front-rear direction of the vehicle body, and the combustion heads 5 of the flat flame burners 3 face the surface of the waterproofing sheet. The gas supply pipeline 2 of the combustion heating device 1 is communicated with the gas mixing cavity.

Specifically, referring to fig. 3, by setting a plurality of flat flame burners 3 in the bottom of waterproofing membrane locomotive hot-melt waterproof membrane locomotive 7 that paves along the fore-and-aft direction of the automobile body, and burner 5 is towards waterproofing membrane 8's surface, the thermal stress of waterproofing membrane locomotive hot-melt waterproof membrane locomotive 7 that paves has been reduced, the thermal deformation of combustor has been reduced, be convenient for heat waterproofing membrane 8 surface and can make waterproofing membrane 8 be heated more evenly. In the specific implementation process, the cyclone is installed at the inner outlet end of the gas pipeline, the gas pipeline is connected with the horn-shaped combustion head 5 and the gas supply pipeline respectively, the gas inlet end of the gas supply pipeline 2 is connected with a premixer (used for mixing gas and air) at the front end of the vehicle body, then the whole gas supply loop and the combustion heating device 1 are fixed on a frame of the spreading vehicle, so that the thermal deformation of the flat flame combustor 3 during combustion is arranged along the front and back directions of the waterproof coiled material locomotive 7 for hot melting and spreading, and the waterproof coiled material 8 can be heated and melted uniformly in the transverse direction; the flame generated by the flat flame burner 3 is disc-shaped, the heating area under the same air flow is increased, and the heat energy utilization rate can be effectively improved.

While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A combustion heating apparatus, comprising: the flat flame combustor comprises a gas supply pipeline and a plurality of flat flame combustors, wherein the flat flame combustors are arranged on one side of the gas supply pipeline in parallel along the axial direction of the gas supply pipeline;

2. The combustion heating apparatus of claim 1, wherein said swirl assembly includes a plurality of helical vanes disposed in turn at equal intervals inside the outlet end of said combustion conduit.

3. The combustion heating apparatus as claimed in claim 2, wherein said helical blade is helically wound at least one turn along said combustion conduit inner wall.

4. The combustion heating apparatus as claimed in claim 1, wherein an axial direction of the combustion duct is perpendicular to an axial direction of the air supply duct.

5. The combustion heating apparatus as claimed in claim 1, wherein said gas supply duct is closed at one end and connected at the other end to a gas supply port.

6. The combustion heating apparatus as claimed in claim 1, wherein the wall of said air supply duct is provided with an array of air outlets, each of said air outlets being connected to the inlet end of one of said combustion ducts.

7. A hot-melt paving waterproofing roll locomotive, characterized in that it comprises a combustion heating device according to any one of claims 1 to 6.

8. The hot-melt paving waterproof roll locomotive according to claim 7, further comprising a locomotive body, wherein a gas mixing cavity is arranged at the front end of the locomotive body, and a waterproof roll paving mechanism is arranged at the rear end of the locomotive body.

9. The hot-melt paving waterproof roll locomotive according to claim 8, wherein a plurality of flat flame burners of the combustion heating device are arranged at the bottom of the locomotive body along the front-back direction of the locomotive body, and the combustion heads of the flat flame burners face the surface of the waterproof roll.

10. The hot-melt paving waterproof roll locomotive according to claim 8, wherein an air supply pipeline of the combustion heating device is communicated with the gas mixing cavity.