CN202021412U - Ring-pipe type heater - Google Patents

Ring-pipe type heater Download PDF

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Publication number
CN202021412U
CN202021412U CN2011201009132U CN201120100913U CN202021412U CN 202021412 U CN202021412 U CN 202021412U CN 2011201009132 U CN2011201009132 U CN 2011201009132U CN 201120100913 U CN201120100913 U CN 201120100913U CN 202021412 U CN202021412 U CN 202021412U
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China
Prior art keywords
endless tube
arc
jet pipe
type heater
flame
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Expired - Fee Related
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CN2011201009132U
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Chinese (zh)
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郑奶谷
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Individual
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Individual
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Abstract

The utility model discloses a ring-pipe type heater comprising a welding torch body for adjusting and conveying mixed gas. A rear ring pipe with a closed end is fixedly connected in the front end of the welding torch body in a through manner; an upper arm and a lower arm of the rear ring pipe which extend forwards form an opening end; the terminals of the upper arm and the lower arm are respectively connected with an upper arc-shaped spraying pipe and a lower arc-shaped spraying pipe which are symmetrically matched; the inner arcs of the upper arc-shaped spraying pipe and the lower arc-shaped spraying pipe are at least correspondingly and respectively provided with a flame nozzle in a matching way; and central spraying holes of the flame nozzles point at the same arc center together. The ring-pipe type heater has the advantages that the volume is small, the ring-pipe type heater can be placed on any flat land without fixed installation, the heating temperature is high, the temperature is uniform, the welding time is short, the efficiency is high, and the energy and materials are saved.

Description

A kind of endless tube type heater
Technical field
The utility model relates to the technical field that building industry and the pressure welding of science of bridge building reinforcing bar invented solid gas connect special-purpose soldering set in the technology, relates in particular to the pressure welding of semi-automatic reinforcing bar invented solid gas and connects a kind of endless tube type heater in the technology.
Background technology
In capital construction projects such as present architectural engineering, bridge, culvert, highway a large amount of reinforced concrete works are arranged all, these engineerings be unable to do without reinforcing bar and connect the welding procedure process.
Reinforcing bar is welded with multiple construction method.In engineering design in the past, employing nothing more than the nipple socketing method is arranged, the reinforcing bar binding splicing processes, mechanical cold lattice are pressed the electric welding of reinforcing bar resistance, built-in fitting reinforcing bar submerged arc pressure welding, flash welding, methods of attachment such as electroslag welding.These reinforcing bars connect in the method, all exist in various degree welding time-consuming, take a lot of work or cost height, defectives such as construction is difficult, qualification rate is low, contaminated environment.These are welded to connect in the method, and what have belongs to superseded technology, and what have is replaced by other welding methods.
The construction method of the air pressure welding splice Japan as far back as the sixties in last century promotes the use of the nineties in capital construction projects projects such as heavy construction, bridge, culvert.Reinforcing bar connects the welding procedure success rate to be accounted for more than 92%, and a lot of national wide popularization and application are also arranged in the world.
Chinese large-sized building constructor last century the eighties also introduce and absorb air pressure welding splice interconnection technique, but, make to apply to be restricted because of some key processing equipment and defects of construction.
At present, China's steel bar gas connects construction two kinds of construction methods, i.e. melt gas pressure welding connection and invented solid gas pressure welding connection.
Melt air pressure welding construction technology is to make connected two end reinforced slits that have certain distance, is heated to the reinforcing bar fusion temperature with fuel gas buring again and is about 1500 ℃.Form a kind of forming method of joint in parent material of reinforcement rebar fusing back pressurization.
It is that two end reinforced clampings that are adjacent to be welded are heated to the mother metal plasticization temperature at connecting portion with fuel gas buring, about 1250 ℃ on anchor clamps that the invented solid gas pressure welding connects method.Form a kind of method of jointing in the pressurization of parent material of reinforcement rebar plasticizing modification.
Use melt gas pressure welding connection to be welded to connect the splice of moulding, the fusing of invar muscle metallic high temperature produces osmotic effect, inner grain coarsening, and embrittlement easily influence the splice end product quality greatly, and energy-output ratio is big, and the rough surface profile is poor.Use invented solid gas pressure welding connection can overcome the various deficiencies of melt gas pressure welding connection, but the welding apparatus volume is big, complex operation needs many people to cooperate, if heating is uneven, the temperature deficiency also is difficult to obtain good splice end product quality.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned prior art present situation, and a kind of endless tube type heater is provided, and connects utensil relatively with traditional invented solid gas pressure welding, it is little to have volume, the heating-up temperature height, and temperature is even, weld interval is short, and is energy-efficient, saves the characteristics of material.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of endless tube type heater, comprise the welding torch body that is used to regulate and carry air mixture, the penetrating back endless tube that is fixedly connected with in the welding torch body front end with a blind end, upper arm that back endless tube extends forward and underarm constitute openend, the terminal of upper arm and underarm is connected with last arc jet pipe and the arc lower jet pipe that symmetry matches respectively, on the inner arc of last arc jet pipe and arc lower jet pipe at least correspondence respectively be fitted with a flame-thrower nozzle, and the center of orifices of each flame-thrower nozzle is all pointed to same arc core jointly.
For optimizing technique scheme, the concrete measure of taking also comprises:
Above-mentioned welding torch body comprises gaseous mixture blowpipe and handle connector portions; One end of handle connector portions is fitted with oxygen inlet suction port and combustion gas inlet suction port, oxygen inlet suction port and combustion gas inlet suction port all are equipped with the adjusting control valve that is used to regulate air inflow size and gaseous mixture composition ratio, the other end of handle connector portions is connected the penetrating front end that is connected the gaseous mixture blowpipe in the blind end outer wall of back endless tube through clamp nut with the sealing of gaseous mixture blowpipe.
Above-mentioned back endless tube is welded with gas-tpe fitting, the gaseous mixture blowpipe through gas-tpe fitting with after endless tube sealing fastening equipped mutually.
Above-mentioned back endless tube is U type or parabolic shaped structure.
The above-mentioned last arc jet pipe and the two ends port of arc lower jet pipe all seal and are fitted with the plug that is used to prevent the gaseous mixture loss.
Above-mentioned last arc jet pipe is corresponding with the arc lower jet pipe respectively to be fitted with four to six flame-thrower nozzles, and the impartial radian of all flame-thrower nozzles on the same arc jet pipe evenly distributes.
The diameter of the center of orifices of above-mentioned flame-thrower nozzle is 1.2 millimeters to 1.4 millimeters.
Above-mentioned back endless tube adopts the argon arc welding procedure to be connected with gas-tpe fitting.
Compared with prior art, the penetrating back endless tube that is fixedly connected with in the welding torch body front end of the present utility model with a blind end, upper arm that back endless tube extends forward and underarm constitute openend, the terminal of upper arm and underarm is connected with last arc jet pipe and the arc lower jet pipe that symmetry matches respectively, on the inner arc of last arc jet pipe and arc lower jet pipe at least correspondence respectively be fitted with a flame-thrower nozzle, and the center of orifices of each flame-thrower nozzle is all pointed to same arc core jointly, this design can well make the flame of flame-thrower nozzle ejection converge, heat is concentrated, use less combustion gas to reach to make the temperature of the steel plasticizing of passing arc jet pipe and arc lower jet pipe arc core, one end of handle connector portions is fitted with oxygen inlet suction port and combustion gas inlet suction port, oxygen inlet suction port and combustion gas inlet suction port all are equipped with the adjusting control valve that is used to regulate air inflow size and gaseous mixture composition ratio, the operator can be according to the needs of welding different-diameter reinforcing bar, adjust the welding flame size by regulating gas control valve and oxygen regulating valve, use less combustion gas can reach best welding effect, save material, and welding effect is outstanding.The corresponding radian that waits with the arc lower jet pipe of last arc jet pipe respectively is fitted with four to six flame-thrower nozzles, and the flame of the flame-thrower nozzle ejection of this arrangement can make soldered steel be heated evenly, and improves the splice end product quality.Back endless tube and gas-tpe fitting adopt the argon arc welding procedure to be connected, and this kind Welder artistic skill is carried out comprehensive welding, and arc temperature height, welding deformation are little, and most suitable welding is endless tube and gas-tpe fitting afterwards.It is little to the utlity model has volume, can be positioned over any level land, need not fixedly mount, and the heating-up temperature height, temperature is even, and weld interval is short, and is energy-efficient, saves the advantage of material.
Description of drawings
Fig. 1 is the perspective view of the utility model embodiment;
Fig. 2 is the structural representation of facing of Fig. 1;
Fig. 3 is the assembling decomposing schematic representation of back endless tube and jet pipe among Fig. 1;
Fig. 4 is the left view of the back endless tube front portion of Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 4 shows that structural representation of the present utility model.
Reference numeral wherein is: welding torch body 1, gaseous mixture blowpipe 11, handle connector portions 12, oxygen inlet suction port 12a, combustion gas inlet suction port 12b, clamp nut 13, back endless tube 2, openend 2a, upper arm 21, underarm 22, last arc jet pipe 31, arc lower jet pipe 32, flame-thrower nozzle 4, center of orifices 4a, adjusting control valve 5, gas-tpe fitting 6, plug 7.
As shown in Figures 1 to 4, a kind of endless tube type heater of the present utility model, comprise the welding torch body 1 that is used to regulate and carry air mixture, the penetrating back endless tube 2 that is fixedly connected with in welding torch body 1 front end with a blind end, upper arm 21 that back endless tube 2 extends forward and underarm 22 constitute openend 2a, the terminal of upper arm 21 and underarm 22 is connected with last arc jet pipe 31 and the arc lower jet pipe 32 that symmetry matches respectively, on the inner arc of last arc jet pipe 31 and arc lower jet pipe 32 at least correspondence respectively be fitted with a flame-thrower nozzle 4, and the center of orifices 4a of each flame-thrower nozzle 4 all points to same arc core jointly.The penetrating back endless tube 2 that is fixedly connected with in welding torch body 1 front end of the present utility model with a blind end, upper arm 21 that back endless tube 2 extends forward and underarm 22 constitute openend 2a, the terminal of upper arm 21 and underarm 22 is connected with last arc jet pipe 31 and the arc lower jet pipe 32 that symmetry matches respectively, on the inner arc of last arc jet pipe 31 and arc lower jet pipe 32 at least correspondence respectively be fitted with a flame-thrower nozzle 4, and the center of orifices 4a of each flame-thrower nozzle 4 all points to same arc core jointly, this design can well make the flame of flame-thrower nozzle ejection converge, heat is concentrated, use less combustion gas to reach to make the temperature (1250 ℃) of the steel plasticizing of passing arc jet pipe and arc lower jet pipe arc core, the existence of back endless tube 2 can make the gaseous mixture of coming from welding torch body 1 transportation entering the mixing that takes a step forward of arc jet pipe, to reach better combustion efficiency.
Among the embodiment, welding torch body 1 comprises gaseous mixture blowpipe 11 and handle connector portions 12; One end of handle connector portions 12 is fitted with oxygen inlet suction port 12a and combustion gas inlet suction port 12b, oxygen inlet suction port 12a and combustion gas inlet suction port 12b all are equipped with the adjusting control valve 5 that is used to regulate air inflow size and gaseous mixture composition ratio, the other end of handle connector portions 12 is connected the penetrating front end that is connected gaseous mixture blowpipe 11 in the blind end outer wall of back endless tube 2 through clamp nut 13 with 11 sealings of gaseous mixture blowpipe.One end of handle connector portions 12 is fitted with oxygen inlet suction port 12a and combustion gas inlet suction port 12b, can make combustion gas and oxygen enter gaseous mixture blowpipe 11 and fully mixing after entering gaseous mixture blowpipe 11, can reach good combustion efficiency when making gaseous mixture arrive the arc jet pipe, oxygen inlet suction port 12a and combustion gas inlet suction port 12b all are equipped with the adjusting control valve 5 that is used to regulate air inflow size and gaseous mixture composition ratio, adjusting control valve 5 has been arranged, the operator can be according to the needs of welding different-diameter reinforcing bar, adjust the welding flame size by regulating gas control valve and oxygen regulating valve, use less combustion gas can reach best welding effect, save material, and welding effect is outstanding, torch body 1 volume is little, can be positioned over any level land, need not fixedly mount, realize that thus operating personnel finish a whole set of welding sequence, guarantee the continuity and the harmony of technology, guaranteed the superiority of the quality of joint, taken into account quality when raising the efficiency.
Among the embodiment, back endless tube 2 is welded with gas-tpe fitting 6, gaseous mixture blowpipe 11 through gas-tpe fitting 6 with after endless tube 2 sealing fastening equipped mutually.Back endless tube 2 is welded with gas-tpe fitting 6; equipped mutually between convenient back endless tube 2 and the gaseous mixture blowpipe 11, gaseous mixture blowpipe 11 for sealing fastening being equipped with, can not make gaseous mixture overflow through gas-tpe fitting 6 and back endless tube 2; both save fuel and oxygen, reached the purpose of protection environment again.
Among the embodiment, back endless tube 2 is U type or parabolic shaped structure.This structure can make gaseous mixture be sent to easily in arc jet pipe 31 and the arc lower jet pipe 32, and this structure is attractive in appearance, practicality, and the installation of arc jet pipe 31 and arc lower jet pipe 32 and function realize on the convenience.
Among the embodiment, the two ends port of last arc jet pipe 31 and arc lower jet pipe 32 all seals and is fitted with the plug 7 that is used to prevent the gaseous mixture loss.The existence of plug 7 can prevent the two ends port escape of gaseous mixture from last arc jet pipe 31 and arc lower jet pipe 32, has effectively preserved gaseous mixture, has guaranteed the gas supply of flame-thrower nozzle 4, energy savings.
Last arc jet pipe 31 and arc lower jet pipe 32 are corresponding respectively to be fitted with four to six flame-thrower nozzles 4, and all the flame-thrower nozzle 4 impartial radians on the same arc jet pipe evenly distribute.The corresponding radian that waits with the arc lower jet pipe of last arc jet pipe respectively is fitted with four to six flame-thrower nozzles, and the flame of the flame-thrower nozzle ejection of this arrangement can make soldered steel be heated evenly, and improves the splice end product quality.
Among the embodiment, the diameter of the center of orifices 4a of flame-thrower nozzle 4 is 1.2 millimeters to 1.4 millimeters.The pore of this kind diameter can make the flame of flame-thrower nozzle 4 ejections that enough temperature are arranged, and can save combustion gas again when shortening heat time heating time, and is energy-efficient.
Among the embodiment, back endless tube 2 adopts the argon arc welding procedure to be connected with gas-tpe fitting 6.Back endless tube 2 and gas-tpe fitting 6 adopts the argon arc welding procedures to be connected, and this kind Welder artistic skill is carried out comprehensive welding, and arc temperature height, welding deformation are little, most suitable welding back endless tube 2 and gas-tpe fitting 6.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.

Claims (8)

1. endless tube type heater, comprise the welding torch body (1) that is used to regulate and carry air mixture, it is characterized in that: the penetrating back endless tube (2) that is fixedly connected with in described welding torch body (1) front end with a blind end, upper arm (21) that described back endless tube (2) extends forward and underarm (22) constitute openend (2a), the terminal of described upper arm (21) and underarm (22) is connected with last arc jet pipe (31) and the arc lower jet pipe (32) that symmetry matches respectively, on the inner arc of last arc jet pipe (31) and arc lower jet pipe (32) at least correspondence respectively be fitted with a flame-thrower nozzle (4), and the center of orifices (4a) of each described flame-thrower nozzle (4) is all common points to same arc core.
2. a kind of endless tube type heater according to claim 1 is characterized in that: described welding torch body (1) comprises gaseous mixture blowpipe (11) and handle connector portions (12); One end of described handle connector portions (12) is fitted with oxygen inlet suction port (12a) and combustion gas inlet suction port (12b), oxygen inlet suction port (12a) and combustion gas inlet suction port (12b) all are equipped with the adjusting control valve (5) that is used to regulate air inflow size and gaseous mixture composition ratio, the other end of handle connector portions (12) is connected the penetrating front end that is connected gaseous mixture blowpipe (11) in the blind end outer wall of described back endless tube (2) through clamp nut (13) with gaseous mixture blowpipe (11) sealing.
3. a kind of endless tube type heater according to claim 2 is characterized in that: described back endless tube (2) is welded with gas-tpe fitting (6), and described gaseous mixture blowpipe (11) seals through gas-tpe fitting (6) and back endless tube (2) and fasteningly is equipped with mutually.
4. a kind of endless tube type heater according to claim 3 is characterized in that: described back endless tube (2) is U type or parabolic shaped structure.
5. a kind of endless tube type heater according to claim 4 is characterized in that: the described two ends port of going up arc jet pipe (31) and arc lower jet pipe (32) all seals and is fitted with the plug (7) that is used to prevent the gaseous mixture loss.
6. a kind of endless tube type heater according to claim 5, it is characterized in that: arc jet pipe (31) is corresponding with arc lower jet pipe (32) on described respectively is fitted with four to six flame-thrower nozzles (4), and the impartial radian of all flame-thrower nozzles (4) on the same arc jet pipe evenly distributes.
7. a kind of endless tube type heater according to claim 6 is characterized in that: the diameter of the center of orifices (4a) of described flame-thrower nozzle (4) is 1.2 millimeters to 1.4 millimeters.
8. a kind of endless tube type heater according to claim 7 is characterized in that: described back endless tube (2) adopts the argon arc welding procedure to be connected with gas-tpe fitting (6).
CN2011201009132U 2011-03-31 2011-03-31 Ring-pipe type heater Expired - Fee Related CN202021412U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201009132U CN202021412U (en) 2011-03-31 2011-03-31 Ring-pipe type heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201009132U CN202021412U (en) 2011-03-31 2011-03-31 Ring-pipe type heater

Publications (1)

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CN202021412U true CN202021412U (en) 2011-11-02

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Application Number Title Priority Date Filing Date
CN2011201009132U Expired - Fee Related CN202021412U (en) 2011-03-31 2011-03-31 Ring-pipe type heater

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102139395A (en) * 2011-03-31 2011-08-03 郑奶谷 Annular tube type heater
CN110607411A (en) * 2019-10-30 2019-12-24 马鞍山钢铁股份有限公司 Roaster for iron notch mud sleeve of blast furnace
CN111570966A (en) * 2020-06-03 2020-08-25 大连华锐重工特种备件制造有限公司 High-power remelting ring for flame spray welding and assembling method thereof
WO2024041478A1 (en) * 2022-08-25 2024-02-29 合肥海尔电冰箱有限公司 Welding device for pipeline

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102139395A (en) * 2011-03-31 2011-08-03 郑奶谷 Annular tube type heater
CN110607411A (en) * 2019-10-30 2019-12-24 马鞍山钢铁股份有限公司 Roaster for iron notch mud sleeve of blast furnace
CN111570966A (en) * 2020-06-03 2020-08-25 大连华锐重工特种备件制造有限公司 High-power remelting ring for flame spray welding and assembling method thereof
CN111570966B (en) * 2020-06-03 2024-03-15 大连华锐重工特种备件制造有限公司 High-power remelting ring for flame spray welding and assembly method thereof
WO2024041478A1 (en) * 2022-08-25 2024-02-29 合肥海尔电冰箱有限公司 Welding device for pipeline

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111102

Termination date: 20150331

EXPY Termination of patent right or utility model