CN114990972B - Heated air circulation heating device and temperature raising machine - Google Patents

Heated air circulation heating device and temperature raising machine Download PDF

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Publication number
CN114990972B
CN114990972B CN202210615552.8A CN202210615552A CN114990972B CN 114990972 B CN114990972 B CN 114990972B CN 202210615552 A CN202210615552 A CN 202210615552A CN 114990972 B CN114990972 B CN 114990972B
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China
Prior art keywords
main heating
heating wall
wall
main
air circulation
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Application number
CN202210615552.8A
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Chinese (zh)
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CN114990972A (en
Inventor
张江勇
任化杰
张陈
焦生杰
李家春
邓琅
郭强
雷天亮
樊丽丽
韩记生
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Jiangsu Jitri Road Engineering Technology And Equipment Research Institute Co ltd
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Jiangsu Jitri Road Engineering Technology And Equipment Research Institute Co ltd
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Priority to CN202210615552.8A priority Critical patent/CN114990972B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/065Recycling 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
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/08Devices 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
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/08Devices 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
    • E01C23/081Devices 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

Abstract

The invention discloses a hot air circulation heating device and a temperature raising machine, which belong to the technical field of road maintenance equipment and comprise 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 adapter is connected between the first main heating wall and the second main heating wall; the first main heating wall is provided with a plurality of first connecting seats, the second main heating wall is provided with a plurality of second connecting seats, and an adjusting pad is 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 rotate and form ascending camber around the switching seat, and two main heating wall bottom surfaces are heated the inflation during heating, and two main heating wall bottom surfaces are level mutually under the thermal equilibrium state, have solved in the current hot in-Place recycling construction, and heating device warp seriously, cause the net face of giving vent to anger to leave the ground clearance inconsistent, and the clearance is too big, influences the problem of bituminous paving heating effect.

Description

Heated air circulation heating device and temperature raising machine
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 clearance between the air outlet net surface and the ground is inconsistent, so that the heating effect is affected; according to the Chinese patent CN110700057A hot air circulation heating system and the pavement heater, a heating wall body adopts an integral welding structure, the temperature of hot air at the bottom of the heating wall body is up to 700-800 ℃, the temperature of an air outlet net surface at the bottom of the heating wall body is up to 500 ℃, the temperature at the upper part of the heating wall body adopts heat preservation and heat insulation temperature, and a huge temperature difference exists between the upper part and the lower part, the air outlet net surface at the bottom of the heating wall body is expanded and elongated by heating, the front end and the rear end of the heating wall body are tilted, so that the air outlet net surface has inconsistent ground clearance, and the maximum deformation amount of a heating device is up to 30mm because the optimal ground clearance for hot air heating is 50-60mm, so that the heating effect of an asphalt pavement is seriously affected.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a hot air circulation heating device and a temperature raising machine, and solves the problems that in the current in-situ thermal regeneration construction, the heating device deforms seriously, the clearance between an air outlet net surface and the ground is inconsistent, the clearance is too large, and the heating effect of an asphalt pavement is affected.
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 seat for rotation is connected between the first main heating wall and the second main heating wall;
the first main heating wall is provided with a plurality of first connecting seats, the second main heating wall is provided with a plurality of second connecting seats, and the first connecting seats are fixedly 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 adapter seat by increasing the number is arranged between the first connecting seat and the second connecting seat.
Optionally, the gap is 10mm or more.
Optionally, the secondary heating walls include 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; 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 ground, and between the second main heating wall and 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 first main heating wall and the ground are provided with a lifter Wen Kongqiang on the opposite side and the second main heating wall and the ground are provided with a lifter Wen Kongqiang on the opposite side.
Optionally, the handle Wen Kongqiang is trapezoidal.
Optionally, multiple rows of the scarifiers distributed in a stepped mode are arranged in the temperature raising cavity, and two adjacent rows of the scarifiers are distributed in a staggered mode.
Optionally, the height of the turner 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.
A temperature raising machine comprises the hot air circulation heating device.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the first main heating wall and the second main heating wall are connected together through the adapter seat, 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 seat and form upward camber by adding the adjusting pad between the first connecting seat and the second connecting seat, the bottom surfaces of the first main heating wall and the second main heating wall are heated and expanded during heating, and the bottom surfaces of the first main heating wall and the second main heating wall are leveled under the heat balance state, so that the effect of 'reverse deformation' is achieved, and the problems that in the current in-place thermal regeneration construction, the deformation of a heating device is serious, the clearance between an air outlet net surface and the ground is inconsistent, the clearance is overlarge, and the heating effect of an asphalt pavement is affected are solved.
2. Through looking side, second main heating wall and the looks side on ground at first main heating wall and ground set up trapezoidal lift Wen Kongqiang to set up the staggered turn-down rig of distributing of multirow ladder in trapezoidal temperature raising cavity, avoided piling up the inconsistent condition of being heated inside and outside the bituminous mixture, effectively overcome the difference in height between bituminous material pile and the former road surface, improved the heating effect.
Drawings
FIG. 1 is a schematic diagram of a front view of a hot air circulation heating device according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a hot air circulation heating device according to an embodiment of the present invention;
FIG. 3 is an enlarged view at C in 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 cross-sectional side view of a hot air circulation heating device 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 connection base; 102. a second main heating wall; 1021. a second connecting seat; 2. an auxiliary heating wall; 201. a first auxiliary heating wall; 202. a second auxiliary heating wall; 3. an adapter; 4. an adjustment pad; 5. wen Kongqiang; 6. a scarifier.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication 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 in a specific case.
Example 1
As shown in fig. 1, 4 and 6, a hot air circulation heating device comprises a main heating wall 1 and an auxiliary heating wall 2 arranged on the side surface 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, wherein the first main heating wall 101 is positioned in front of the second main heating wall 102, a gap is formed between the first main heating wall 101 and the second main heating wall 102, and the gap is more than or equal to 10mm; the bottoms of the first main heating wall 101 and the second main heating wall 102 are provided with an adapter seat 3, and the first main heating wall 101 and the second main heating wall 102 are respectively hinged with the adapter seat 3;
as shown in fig. 2 and 3, a plurality of first connection seats 1011 are welded on the top rear side of the first main heating wall 101, a plurality of second connection seats 1021 are welded on the top front side of the second main heating wall 102, the number of the second connection seats 1021 corresponds to the number of the first connection seats 1011, the first connection seats 1011 and the second connection seats 1021 are L-shaped, and the first connection seats 1011 and the second connection seats 1021 are symmetrical with respect to the gap, and the first connection seats 1011 and the second connection seats 1021 are fastened together by bolts; the adjusting pad 4 is inserted between the first connecting seat 1011 and the second connecting seat 1021, the number of the 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, the bottom surfaces of the first main heating wall 101 and the second main heating wall 102 are heated and expanded along with the increase of the number of the inserting adjusting pads 4, the bottom surfaces of the first main heating wall 101 and the second main heating wall 102 are flattened in a heating state, the included angle alpha is equal to 180 degrees in a heat balance state, the combined connecting structure of the first main heating wall 101 and the second main heating wall 102 is hinged with the upper adjusting pad 4 through the lower part, the bottom parts of the first main heating wall 101 and the second main heating wall 102 are formed to be in an upward arch degree, the heat balance state is thermally expanded to be coplanar, and the whole heating net surface is uniform in a heat balance state, so that the ground clearance is ensured.
As shown in fig. 1, fig. 4, fig. 5 and fig. 7, the bottom of the first main heating wall 101 and the bottom of the second main heating wall 102 are respectively provided with a lifter Wen Kongqiang, a lifter Wen Kongqiang is trapezoid, the asphalt mixture pile formed after milling is trapezoid, the height and width of the trapezoid lifter Wen Kongqiang 5 are matched with those of the trapezoid lifter, and the asphalt mixture is completely in the trapezoid temperature-raising cavity 5 in the operation process; the inner top wall of the lifting Wen Kongqiang is fixedly connected with a plurality of rows of the step-distributed scarifiers 6, and two adjacent rows of the scarifiers 6 are distributed in a staggered manner, and the height of the scarifiers 6 in the temperature lifting cavity 5 of the first main heating wall 101 from the ground is from low to high, namely the depth of the scarifiers 6 inserted into the ground for stacking asphalt mixture is changed from deep to shallow; the height of the second main heating wall 102 from the surface of the scarifier 6 is from high to low, namely the depth of the scarifier 6 inserted into the surface to accumulate the asphalt mixture is changed from shallow to deep, so that the internal and external simultaneous temperature rising of the asphalt mixture is realized, the height difference between an asphalt material pile and an original road surface is effectively overcome, the good regeneration material lifting and road surface thermal connection effects are achieved, the asphalt mixture lifting capacity is not lower than 40 ℃, and the road surface thermal connection temperature 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 heat-connection heating; the two first auxiliary heating walls 201 are respectively hinged to the left side and the right side of the first main heating wall 101, and the front sides of the first auxiliary heating walls 201 and the front sides of the first main heating walls 101 are respectively provided with a lock catch 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 second auxiliary heating walls 202 and the back of the second main heating wall 102 are both provided with a lock catch for fastening the two.
Example two
A temperature raising machine comprises the hot air circulation heating device in the first embodiment.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.

Claims (7)

1. The 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 seat for rotation is connected between the first main heating wall and the second main heating wall;
the first main heating wall is provided with a plurality of first connecting seats, the second main heating wall is provided with a plurality of second connecting seats, and the first connecting seats are fixedly connected with the second connecting seats;
an adjusting pad which enables the first main heating wall and the second main heating wall to arch around the adapter seat by increasing the number is arranged between the first connecting seat and the second connecting seat;
the opposite sides of the first main heating wall and the ground and the opposite sides of the second main heating wall and the ground are respectively provided with a lifting Wen Kongqiang; a plurality of rows of scarifiers in stepped distribution are arranged in the temperature raising cavity, two adjacent rows of scarifiers are distributed in a staggered manner, and the height of the scarifiers on the first main heating wall from the ground is from low to high; the height of the scarifier on the second main heating wall from the ground is from high to low.
2. The heated air circulation heating apparatus of claim 1 wherein the gap is 10mm or greater.
3. The heated air circulation heating apparatus of claim 1 wherein said secondary heating walls include 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; 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 of claim 1 wherein the first primary heating wall and the ground are at an angle α between their facing sides, the second primary heating wall and the ground being at least 180 degrees apart.
5. The heated air circulation heating apparatus of claim 1 wherein the first and second connecting seats are L-shaped, the first and second connecting seats being symmetrical about the gap.
6. The apparatus of claim 1, wherein said lifter Wen Kongqiang is trapezoidal.
7. A heat booster comprising the hot air circulation heating device according to any one of claims 1 to 6.
CN202210615552.8A 2022-06-01 2022-06-01 Heated air circulation heating device and temperature raising machine Active CN114990972B (en)

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CN114990972A CN114990972A (en) 2022-09-02
CN114990972B true CN114990972B (en) 2023-08-22

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Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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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