CN114990972A - Heated air circulation heating device and temperature raising machine - Google Patents
Heated air circulation heating device and temperature raising machine Download PDFInfo
- Publication number
- CN114990972A CN114990972A CN202210615552.8A CN202210615552A CN114990972A CN 114990972 A CN114990972 A CN 114990972A CN 202210615552 A CN202210615552 A CN 202210615552A CN 114990972 A CN114990972 A CN 114990972A
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- main heating
- heating wall
- wall
- main
- air circulation
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/065—Recycling in place or on the road, i.e. hot or cold reprocessing of paving in situ or on the traffic surface, with or without adding virgin material or lifting of salvaged material; Repairs or resurfacing involving at least partial reprocessing of the existing paving
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
- E01C23/081—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades by thermal or cryogenic treatment, excluding heating to facilitate mechanical working
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
The invention discloses a heated air circulation heating device and a temperature raising machine, belonging to the technical field of road maintenance equipment and comprising a main heating wall and an auxiliary heating wall arranged on the side surface of the main heating wall; the main heating walls comprise a first main heating wall and a second main heating wall; an adapter is connected between the first main heating wall and the second main heating wall; a plurality of first connecting seats are arranged on the first main heating wall, a plurality of second connecting seats are arranged on the second main heating wall, and adjusting pads are arranged between the first connecting seats and the second connecting seats; through increasing the adjustment pad between first connecting seat and second connecting seat, two main heating walls are enclosed to revolute the connecting seat and rotate and form ascending camber, and two main heating wall bottom surfaces receive the thermal energy during heating, and two main heating wall bottom surfaces are flat mutually under the heat balance state, have solved in the current hot in-place recycling construction, and heating device warp seriously, cause the mesh face ground clearance nonconformity of giving vent to anger, and the clearance is too big, influence the problem of bituminous paving heating effect.
Description
Technical Field
The invention relates to a hot air circulation heating device and a temperature raising machine, and belongs to the technical field of road maintenance equipment.
Background
In the current in-situ heat regeneration construction, the heating device is seriously deformed, and the gap between the air outlet net surface and the ground is inconsistent, so that the heating effect is influenced; according to the Chinese patent CN110700057A hot air circulation heating system and the pavement heater, the heating wall body adopts an integral welding structure, the hot air temperature in the operation process is as high as 700 + 800 ℃, the temperature of the air outlet net surface at the bottom of the heating wall body is as high as 500 ℃, the temperature of the upper part of the heating wall body adopts the heat preservation and insulation temperature which is only 50 ℃, a large temperature difference exists between the upper part and the lower part, the air outlet net surface at the bottom of the heating wall body expands and extends due to heating, the front end and the rear end tilt, the ground clearance of the air outlet net surface is inconsistent, the optimal ground clearance for hot air heating is 50-60mm, the maximum deformation of the heating device is as high as 30mm, and the heating effect of the asphalt pavement is seriously influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a hot air circulation heating device and a temperature raising machine, which solve the problems that the heating effect of an asphalt pavement is influenced due to inconsistent gap between an air outlet net surface and the ground and overlarge gap caused by serious deformation of the heating device in the current in-situ heat regeneration construction.
In order to achieve the above purpose/solve the above technical problems, the present invention is realized by adopting the following technical scheme:
a hot air circulation heating device comprises a main heating wall and an auxiliary heating wall arranged on the side surface of the main heating wall;
the main heating walls comprise a first main heating wall and a second main heating wall; a gap is formed between the first main heating wall and the second main heating wall; an adapter used for rotating is connected between the first main heating wall and the second main heating wall;
a plurality of first connecting seats are arranged on the first main heating wall, a plurality of second connecting seats are arranged on the second main heating wall, and the first connecting seats are tightly connected with the second connecting seats;
and an adjusting pad which enables the first main heating wall and the second main heating wall to arch around the rotating connection seat by increasing the number is arranged between the first connection seat and the second connection seat.
Optionally, the gap is greater than or equal to 10 mm.
Optionally, the secondary heating walls comprise two first secondary heating walls and two second secondary heating walls; the two first auxiliary heating walls are respectively arranged at two sides of the first main heating wall and are respectively hinged with the first main heating wall; and the two second auxiliary heating walls are respectively arranged at two sides of the second main heating wall and are respectively hinged with the second main heating wall.
Optionally, an angle α is formed between the first main heating wall and the viewing side of the ground and between the second main heating wall and the viewing side of the ground, and the angle α is less than or equal to 180 degrees.
Optionally, the first connecting seat and the second connecting seat are L-shaped, and the first connecting seat and the second connecting seat are symmetrical with respect to the gap.
Optionally, the viewing side of the first main heating wall and the ground and the viewing side of the second main heating wall and the ground are both provided with a temperature raising cavity.
Optionally, the temperature raising cavity is trapezoidal.
Optionally, a plurality of rows of turners distributed in a stepped manner are arranged in the temperature raising cavity, and two adjacent rows of turners are distributed in a staggered manner.
Optionally, the height of the scarifier from the ground on the first main heating wall is from low to high; the height of the scarifier from the ground on the second main heating wall is from high to low.
A temperature raising machine comprises the hot air circulation heating device.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the first main heating wall and the second main heating wall are connected together through the adapter, the first connecting seat and the second connecting seat are arranged on the first main heating wall and the second main heating wall, the first main heating wall and the second main heating wall rotate around the adapter in a mode of adding the adjusting pad between the first connecting seat and the second connecting seat to form an upward camber, the bottom surfaces of the first main heating wall and the second main heating wall are subjected to thermal expansion during heating, and the bottom surfaces of the first main heating wall and the second main heating wall are flat under a thermal balance state, so that the effect of reverse deformation is achieved, and the problems that the heating device is seriously deformed, the gap between the air outlet net surface and the ground is inconsistent, the gap is too large and the heating effect of an asphalt pavement is influenced in the current in-situ thermal regeneration construction are solved.
2. Through the side of looking at first main heating wall and ground, the side of looking at of second main heating wall and ground sets up trapezoidal temperature cavity of raising temperature to set up the crisscross pine ware that turns over that distributes of multirow ladder in trapezoidal temperature cavity of raising temperature, avoided piling up the interior and exterior inconsistent condition of being heated of bituminous mixture, effectively overcome the difference in height between bituminous charge heap and the former road surface, improved the heating effect.
Drawings
Fig. 1 is a schematic front view of a hot air circulation heating apparatus according to an embodiment of the present invention;
fig. 2 is a schematic side view of a hot air circulation heating apparatus according to an embodiment of the present invention;
FIG. 3 is an enlarged view at C of FIG. 2;
fig. 4 is a schematic bottom view of a hot air circulation heating device according to an embodiment of the present invention;
FIG. 5 is an enlarged view at A in FIG. 4;
FIG. 6 is an enlarged view at B in FIG. 4;
fig. 7 is a sectional view of a side view of a hot air circulation heating apparatus according to an embodiment of the present invention.
In the figure: 1. a main heating wall; 101. a first main heating wall; 1011. a first connecting seat; 102. a second main heating wall; 1021. a second connecting seat; 2. a secondary heating wall; 201. a first secondary heating wall; 202. a second pair of heating walls; 3. a transfer seat; 4. an adjustment pad; 5. heating the cavity; 6. a scarifier.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Example one
As shown in fig. 1, 4 and 6, a hot air circulation heating apparatus includes a main heating wall 1 and an auxiliary heating wall 2 disposed at a side of the main heating wall 1; the main heating wall 1 comprises a first main heating wall 101 and a second main heating wall 102, the first main heating wall 101 is positioned in front of the second main heating wall 102, and a gap is formed between the first main heating wall 101 and the second main heating wall 102 and is more than or equal to 10 mm; adapter seats 3 are arranged at the bottoms of the first main heating wall 101 and the second main heating wall 102, and the first main heating wall 101 and the second main heating wall 102 are respectively hinged with the adapter seats 3;
as shown in fig. 2 and 3, a plurality of first connecting seats 1011 are welded to the rear side of the top of the first main heating wall 101, a plurality of second connecting seats 1021 are welded to the front side of the top of the second main heating wall 102, the number of the second connecting seats 1021 corresponds to the number of the first connecting seats 1011, the first connecting seats 1011 and the second connecting seats 1021 are L-shaped, the first connecting seats 1011 and the second connecting seats 1021 are symmetrical with respect to a gap, and the first connecting seats 1011 and the second connecting seats 1021 are fastened together by bolts; an adjusting pad 4 is inserted between the first connecting seat 1011 and the second connecting seat 1021, the number of the inserted adjusting pads 4 can be increased, so that the first connecting seat 1011 and the second connecting seat 1021 rotate around the adapter seat 3 at the bottom and arch upwards, the angle between the bottom of the first connecting seat 1011 and the bottom of the second connecting seat 1021 is alpha, the angle alpha is smaller than 180 degrees and is reduced along with the increase of the number of the inserted adjusting pads 4, the bottom surfaces of the first main heating wall 101 and the second main heating wall 102 are heated and expanded in a heating state, the bottom surfaces of the first main heating wall 101 and the second main heating wall 102 are flat in a heat balance state, the included angle alpha is equal to 180 degrees, thereby achieving the effect of inverse deformation, the first main heating wall 101 and the second main heating wall 102 are hinged with the upper adjusting pad 4 through the lower part, and an upward arch degree is formed between the first main heating wall 101 and the second main heating wall 102 in an unheated state, the bottom of the heating net is in a thermal equilibrium state, the thermal expansion extends to be coplanar, the gap between the whole heating net surface and the ground is consistent, and the hot air heating effect is ensured.
As shown in fig. 1, 4, 5 and 7, temperature raising cavities 5 are formed in the bottom of the first main heating wall 101 and the bottom of the second main heating wall 102, the temperature raising cavities 5 are trapezoidal, the shape of the milled asphalt mixture pile is trapezoidal, the height and the width of the trapezoidal temperature raising cavity 5 are matched with those of the trapezoidal temperature raising cavity 5, and the asphalt mixture is completely located in the trapezoidal temperature raising cavity 5 in the operation process; the inner top wall of the temperature raising cavity 5 is fixedly connected with a plurality of rows of turning devices 6 distributed in a stepped manner, two adjacent rows of turning devices 6 are distributed in a staggered manner, the heights of the turning devices 6 in the temperature raising cavity 5 of the first main heating wall 101 from the ground are from low to high, namely the depths of the turning devices 6 inserted into the ground and stacked with the asphalt mixture are changed from deep to shallow; the height of the scarifier 6 on the second main heating wall 102 from the ground is from high to low, namely the depth of the scarifier 6 inserted into the ground to pile up the asphalt mixture is changed from shallow to deep, so that the temperature of the asphalt mixture inside and outside is simultaneously raised, the height difference between an asphalt material pile and the original pavement is effectively overcome, good effects of temperature raising of reclaimed materials and thermal connection of the pavement are achieved, the temperature raising capability of the asphalt mixture is not lower than 40 ℃, and the thermal connection temperature of the pavement is not lower than 120 ℃.
As shown in fig. 1 and 4, the sub-heating wall 2 includes two first sub-heating walls 201 and two second sub-heating walls 202 for road surface thermal connection heating; the two first auxiliary heating walls 201 are hinged to the left side and the right side of the first main heating wall 101 respectively, and the front surfaces of the first auxiliary heating wall 201 and the first main heating wall 101 are provided with latches for fastening the two; the two second auxiliary heating walls 202 are hinged to the left and right sides of the second main heating wall 102, and the back sides of the second auxiliary heating walls 202 and the second main heating wall 102 are provided with latches for fastening the two.
Example two
A temperature raising machine, comprising the heated air circulation heating device of the first embodiment.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A hot air circulation heating device is characterized by comprising a main heating wall and an auxiliary heating wall arranged on the side surface of the main heating wall;
the main heating walls comprise a first main heating wall and a second main heating wall; a gap is formed between the first main heating wall and the second main heating wall; an adapter used for rotating is connected between the first main heating wall and the second main heating wall;
a plurality of first connecting seats are arranged on the first main heating wall, a plurality of second connecting seats are arranged on the second main heating wall, and the first connecting seats are tightly connected with the second connecting seats;
and an adjusting pad which enables the first main heating wall and the second main heating wall to arch around the rotating connection seat by increasing the number is arranged between the first connection seat and the second connection seat.
2. The heated air circulation heating apparatus as claimed in claim 1, wherein the clearance is 10mm or more.
3. The heated air circulation heating apparatus as claimed in claim 1, wherein said sub-heating walls include two first sub-heating walls and two second sub-heating walls; the two first auxiliary heating walls are respectively arranged at two sides of the first main heating wall and are respectively hinged with the first main heating wall; and the two second auxiliary heating walls are respectively arranged at two sides of the second main heating wall and are respectively hinged with the second main heating wall.
4. The heated air circulation heating apparatus as claimed in claim 1, wherein the first main heating wall and the second main heating wall have an angle α with respect to the ground, and the angle α is less than or equal to 180 °.
5. The heated air circulation heating apparatus as claimed in claim 1, wherein the first and second connecting seats are L-shaped, and the first and second connecting seats are symmetrical with respect to the gap.
6. The heated air circulation heating apparatus as claimed in claim 1, wherein the first main heating wall and the second main heating wall are provided with temperature raising cavities respectively at the side where the first main heating wall is viewed from the ground and the side where the second main heating wall is viewed from the ground.
7. The heated air circulation heating apparatus as claimed in claim 6, wherein the temperature raising cavity is trapezoidal.
8. The heated air circulation heating apparatus as claimed in claim 6, wherein the temperature raising cavity is provided with a plurality of rows of turners distributed in a stepped manner, and two adjacent rows of turners are distributed in a staggered manner.
9. The heated air circulation heating apparatus as claimed in claim 8, wherein the height of the said scarifier from the ground on the first main heating wall is from low to high; the height of the scarifier on the second main heating wall from the ground is from high to low.
10. A temperature raising machine characterized by comprising the heated air circulation heating apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210615552.8A CN114990972B (en) | 2022-06-01 | 2022-06-01 | Heated air circulation heating device and temperature raising machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210615552.8A CN114990972B (en) | 2022-06-01 | 2022-06-01 | Heated air circulation heating device and temperature raising machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114990972A true CN114990972A (en) | 2022-09-02 |
| CN114990972B CN114990972B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210615552.8A Active CN114990972B (en) | 2022-06-01 | 2022-06-01 | Heated air circulation heating device and temperature raising machine |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102159388A (en) * | 2008-07-22 | 2011-08-17 | 亨特道格拉斯工业公司 | Efficient lamination press with flexible platens |
| WO2012062384A2 (en) * | 2010-11-12 | 2012-05-18 | Marini S.P.A. | Screed unit with inductive-type heating system |
| CN109518578A (en) * | 2018-12-07 | 2019-03-26 | 嘉鹏再升科技（深圳）股份有限公司 | A kind of road surface insulation board for hot reproducer on the spot |
| CN110700057A (en) * | 2019-10-17 | 2020-01-17 | 江苏集萃道路工程技术与装备研究所有限公司 | Heated air circulation heating system and pavement heating machine |
| CN214949184U (en) * | 2021-04-22 | 2021-11-30 | 哈尔滨创信电力科技有限责任公司 | Air heater hot end arch truss subassembly |
-
2022
- 2022-06-01 CN CN202210615552.8A patent/CN114990972B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102159388A (en) * | 2008-07-22 | 2011-08-17 | 亨特道格拉斯工业公司 | Efficient lamination press with flexible platens |
| WO2012062384A2 (en) * | 2010-11-12 | 2012-05-18 | Marini S.P.A. | Screed unit with inductive-type heating system |
| CN109518578A (en) * | 2018-12-07 | 2019-03-26 | 嘉鹏再升科技（深圳）股份有限公司 | A kind of road surface insulation board for hot reproducer on the spot |
| CN110700057A (en) * | 2019-10-17 | 2020-01-17 | 江苏集萃道路工程技术与装备研究所有限公司 | Heated air circulation heating system and pavement heating machine |
| CN214949184U (en) * | 2021-04-22 | 2021-11-30 | 哈尔滨创信电力科技有限责任公司 | Air heater hot end arch truss subassembly |
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| Publication number | Publication date |
|---|---|
| CN114990972B (en) | 2023-08-22 |
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