CN103104915A - Intelligent gas heating device used for heating bolt - Google Patents
Intelligent gas heating device used for heating bolt Download PDFInfo
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- CN103104915A CN103104915A CN2013100681802A CN201310068180A CN103104915A CN 103104915 A CN103104915 A CN 103104915A CN 2013100681802 A CN2013100681802 A CN 2013100681802A CN 201310068180 A CN201310068180 A CN 201310068180A CN 103104915 A CN103104915 A CN 103104915A
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Abstract
The invention relates to an intelligent gas heating device used for heating a bolt, which consists of a gas heating device and an intelligent control cabinet. The gas heating device is provided with a gas pipe joint, an air pipe joint, an oxygen pipe joint, a gas mixing chamber, a shower nozzle, an electronic igniter, a combustion chamber, a heating pipe and a temperature sensor, wherein gas, air, oxygen are introduced by the pipe joints, mixed in the gas mixing chamber, and then combust in the combustion chamber, the heating pipe which is arranged on the combustion chamber is inserted into a bolt hole, heats a bolt to be heated, and can heat quickly and is good in effect, wherein the bolt to be heated is equipped with a nut or sheathed with a nut. The intelligent control cabinet is provided with gas-delivery pipes, control valves, an intelligent controller and a control circuit. Through a setting program and according to the data provided by the temperature sensor, the gas supply amount is automatically controlled for heating by the control valves, so that manpower is saved and the performance is stable, and a four-color four-pipe hose is utilized for supplying air and connecting to the electric wires safely and reliably, and the operation is beautiful and convenient. The intelligent gas heating device used for heating the bolt can be widely utilized for heating a big bolt.
Description
Technical field
The present invention relates to a kind of generating set king-bolt heater, particularly a kind of intelligent bolt gas-operated thermal bath facility.
Background branch art
Generating set is large with the bolt volume, during installation, is the prestressing force that its faying face generation is required, and needs the cover top nut that it is heated, and makes its expanded by heating elongation, then by hand nut is screwed to the precalculated position.When unclamping the nut maintenance, need equally the heating bolt, make its elongation, just can back out nut.The earliest, the heating of bolt is manually to use spray gun to face toward the heating of bolt hole flame, and manual control flame size and flame color by experience and length heating estimated time, can not effectively be controlled heating-up temperature, make bolt cross thermal oxide and damage.At present, the bolt heating is general adopts electric bolt electric heating rod to heat, though exist to control heat time heating time, but heat time heating time is longer, and sometimes inaccurate owing to controlling heating current and heat time heating time, makes electric bolt electric heating rod short circuit and punctures, can not take out, and make the problem of bolt failure.Now, abroad oneself begins to develop bolt gas heating equipment.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of intelligent bolt gas-operated thermal bath facility is provided.
The object of the present invention is achieved like this: the present invention is comprised of combustion heater and Intelligent control cabinet.Described
Combustion heater is by a circular outer pipe and be arranged on a top in this circular outer pipe and the cylindrical combustion chamber that heating tube is housed in the middle of the cylindrical gas mixing chamber of gas kitchen pipe joint, air hose joint and oxygen tube junction and bottom is housed forms, described gas mixer chamber bottom is stretched in the combustion chamber and with it and is connected together, top by the pull bar bottom by putting up the centre that axis direction is fixed on circular outer pipe; Cover core and upper end cover are equipped with in described circular outer pipe upper end, upper cover core is convex, be in the middle part of upper end cover the inside, its projection is in the middle of upper end cover, and the opening that the upper end of gas kitchen pipe joint, air hose joint and oxygen tube junction is passed in the middle of cover core reaches outside upper end cover; Described pull bar lower end is connected in above gas mixer chamber, the upper end be connected to cover core below, the bottom end cover of middle opening is equipped with in the circular outer pipe lower end, described support lower end be fixed on bottom end cover above, the upper end is connected and is supporting the combustion chamber with the lower surface of combustion chamber; The opening in the middle of bottom end cover is passed in described heating tube bottom, reaches outside bottom end cover; The circular outer pipe bottom has waste gas outlet; Have a nozzle, this nozzle to become axis downwards facing to heating tube in the middle of below described gas mixer chamber, adjacency is equipped with ignition, and this ignition power line leads to outside the heater upper end cover; Described combustion chamber one side is equipped with temperature sensor, can respond to the temperature of backflow waste gas, connects by electric wire to offer intelligent controller.
Intelligent controller, gas control valve, air shut-off valve, oxygen control valve, three look three pipe flexible pipes, four look four pipe flexible pipe and control circuits are housed in described Intelligent control cabinet; Described three look three pipe flexible pipe one ends are connected on the air inlet of three kinds of corresponding control valves, and the other end joins with three kinds of sources of the gas respectively; Described four look four pipe flexible pipes wherein three flexible pipe one ends are connected on the gas outlet of three kinds of control valves, the other end is connected on gas kitchen pipe joint, air hose joint and oxygen tube junction on combustion heater in order to gas transmission, also has a flexible pipe to place the electric wire that intelligent controller connects temperature sensor and ignition; Battery main switch is housed on the Based Intelligent Control cabinet panel, always stops button and alarm; Intelligent controller connects temperature sensor, gas control valve, air shut-off valve, oxygen control valve, ignition by electric wire and is arranged on battery main switch on the Based Intelligent Control cabinet panel, always stops button and alarm.Intelligent controller sets control program in advance.
during use, the heating tube of combustion heater is inserted in heated bolt hole with nut or the bolt cover top nut, the upper end that opening in the middle of the combustion heater bottom end cover entangles nut or bolt, then open the battery main switch on the Based Intelligent Control cabinet panel, the program of intelligent controller by setting in advance, open simultaneously gas control valve, air shut-off valve and oxygen control valve air feed, open the ignition igniting, three kinds of gas is due to the pressure of source of the gas itself, entering gas mixer chamber mixes and sprays from nozzle, lighted in the combustion chamber internal combustion by ignition, flame sprays from the heating tube mouth of pipe at the bottom of the bolt hole hole, bolt is heated, the backflow waste gas that upwards forms, enter in the combustion heater outer tube, discharge from waste gas outlet, the reflux gas temperature data that intelligent controller provides according to temperature sensor, control gas control valve, air shut-off valve, oxygen control valve, by regulating the size of gas supply regulation flame, and send signal by alarm when completing heating, so that the heating personnel in time screw on or back out nut, carry out the heating of next bolt or press and always stop the button rest.
The invention has the beneficial effects as follows: 1, use combustion gas in combustion chambers burn, be contained in the heating tube inserting bolt hole of lower end, combustion chamber, opening in the middle of the combustion heater bottom end cover entangles the upper end heating that is enclosed within the nut on bolt, firing rate is fast, heating-up temperature has overcome the damage that heating causes to bolt accurately and reliably; 2, utility control program is controlled air feed by combustion gas, air, oxygen control valve, has realized the Based Intelligent Control to the bolt heating, and dependable performance is saved manpower; 3, three gas inlet pipes adopt our company's invention three look three pipe flexible pipe volumes little, easy to use; 4, adopt four looks four pipe flexible pipes of our company's invention, three flexible pipes are in order to gas transmission, and a flexible pipe is used for placing the electric wire that intelligent controller connects temperature sensor and ignition, volume is little, good looking appearance, installation move use convenient, safe and reliable; 5 integrated costs are lower, can extensively use the heating of king-bolt.
Description of drawings
Vertical section schematic diagram when Fig. 1 is combustion heater heating of the present invention, Fig. 2 is the internal structure schematic diagram of Intelligent control cabinet of the present invention, and Fig. 3 is the panel schematic diagram of Intelligent control cabinet of the present invention, and Fig. 4 is intelligent controller connection line schematic diagram of the present invention.
in figure: 1 represents combustion heater, 2 representation temperature sensors, 3 represent pull bar, 4 represent gas kitchen pipe joint, 5 represent the air hose joint, 6 represent oxygen tube junction, 7 represent gas mixer chamber, 8 represent nozzle, 9 represent heating tube, 10 represent bottom end cover, 11 represent the combustion chamber, 12 represent ignition, 13 represent the ignition power line, 14 represent circular outer pipe, 15 represent upper end cover, 16 represent support, 17 represent heated nut, 18 represent heated bolt, 19 represent waste gas outlet, 20 representation temperature sensor holder, the 21 upper cover cores of representative, 22 represent Intelligent control cabinet, 23 represent gas control valve, 24 represent gas inlet pipe, 25 represent oxygen intake pipe, 26 represent intelligent controller, 27 represent air shut-off valve, 28 represent that air intake duct 29 represents oxygen control valve, 30 represent the gas outlet pipe, 31 represent that air escape pipe 32 represents oxygen bleed line, 33 represent three look three pipe flexible pipes, 34 represent cabinet, 35 represent battery main switch, 36 representatives always stop button, 37 represent alarm, 38 represent panel, 39 represent four look four pipe flexible pipes, 40 represent conduit.
The specific embodiment
For 1 embodiment, the invention will be further described below in conjunction with accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 and accompanying drawing 4.
example 1: described with summary of the invention as shown in drawings, the present invention is comprised of combustion heater 1 and Intelligent control cabinet 22, described combustion heater 1 and Intelligent control cabinet 22 are by temperature sensor 2, pull bar 3, gas kitchen pipe joint 4, air hose joint 5, oxygen tube junction 6, gas mixer chamber 7, nozzle 8, heating tube 9, bottom end cover 10, combustion chamber 11, ignition 12, power line 13, circular outer pipe 14, upper end cover 15, support 16, temperature sensor fixator 20, upper cover core 21, gas control valve 23, intelligent controller 26, air shut-off valve 27, oxygen control valve 29, three look three pipe flexible pipes 33, cabinet 34, battery main switch 35, always stop button 36, alarm 37, panel 38, four look four pipe flexible pipes 39 and electric wire form.During enforcement, at first with above-mentioned device fabrication or buy, wherein, upper center is processed in combustion chamber 11 round mouth, and there is an aperture on the side, and the lower end is opened wide, and cover plate is separately to produce, and there is a round mouth centre; Circular outer pipe 14 bottoms are made a call to 4 waste gas outlets 19 in proportion; Get three looks three pipe flexible pipes 33, the outer tube at its two ends is removed, expose three independent flexible pipes; Get four looks three or four pipe flexible pipes 39, the outer tube at its two ends is removed, expose four independent flexible pipes.Then begin assembling.The centre that first male nozzle 8 is screwed to the lower end of gas mixer chamber 7 is accomplished fluently and has attacked on the aperture of internal thread in advance, gas kitchen pipe joint 4, air hose joint 5 and oxygen tube junction 6 being welded on gas mixer chamber 7 upper ends accomplishes fluently on 3 apertures that are complementary with it in advance again, then, this gas mixer chamber 7 is not filled end cap from top insertion lower end, the upper end is stayed in combustion chamber 11 cyclostomous, with welding gun, two Room is welded together; Afterwards, will insert in combustion chamber 11 from the hole that combustion chamber 11 upper end cover one sides are accomplished fluently in advance with the ignition 12 of power line 13, be arranged on the side of nozzle 8; At these combustion chamber 11 opposite side mounting temperature sensor fixators 20, weld 4 pull bars 3 around gas mixer chamber 7 on combustion chamber 11, then the centre there is the upper cover core 21 of opening to be enclosed within on gas kitchen pipe joint 4, air hose joint 5 and oxygen tube junction 6 downwards, until upper cover core 21 is encountered in the upper end of pull bar 3, with pull bar 3 upper ends be welded on upper cover core 21 below; Then with heating tube 9 upper ends facing to the round mouth in the middle of the bottom end cover of the combustion chamber 11 that is complementary with it, with welding gun with its be welded on this end cap below, and weld 4 supports 16 around this heating tube 9; Then, heating tube 9 is passed facing to the bottom end cover 10 of middle opening downwards, until bottom end cover 10 is encountered in the lower end of support 16, support 16 lower ends are welded in above bottom end cover 10; Then, will also be connected to the one side that thing is not installed of the bottom end cover of the combustion chamber 11 on bottom end cover 10 with support 16 with heating tube 9, cover in the lower end of the combustion chamber 11 of opening wide, weld with welding gun; Then, with its sub-assembly together with beginning assembly and connection temperature sensor 2, gas mixer chamber 7, pull bar 3, gas kitchen pipe joint 4, air hose joint 5, oxygen tube junction 6 and upper cover core 21 together, insert facing up in this pipe under circular outer pipe 14, until bottom end cover 10 collides with this pipe lower end, with bolt, bottom end cover 10 is fixed on this pipe lower end; Then, manage the upper end at this, the power line 13 of ignition 12 is passed the aperture that is complementary of accomplishing fluently in advance on upper end cover 15, opening in the middle of this end cap there is the projection of the upper cover core 21 of gas kitchen pipe joint 4, air hose joint 5 and oxygen tube junction 6 facing to intermediate sleeve, go up cover core 21 to pressing down, cover the upper end at this pipe; And fix with bolt; At last, insert in the aperture that is complementary that temperature sensor 2 is accomplished fluently from the upper end cover 15 in advance, is inserted in temperature sensor fixator 20.Like this, combustion heater 1 has just assembled.Then, intelligent controller 26 is arranged on the interior top of cabinet 34 of Intelligent control cabinet 22, gas control valve 23, air shut-off valve 27, oxygen control valve 29 are installed successively again: then, gas inlet pipe 24, air intake duct 28 and the oxygen intake pipe 25 that three looks three pipe flexible pipes 33 of sleeve pipe are removed at two ends is socketed in respectively the inlet end of gas control valve 23, air shut-off valve 27 and oxygen control valve 29; An end that again two ends is removed gas outlet pipe 30, air escape pipe 31 and oxygen bleed line 32 in four flexible pipes of four looks four pipe flexible pipes 39 of sleeve pipe is socketed in respectively the outlet side of gas control valve 23, air shut-off valve 27 and oxygen control valve 29, and the other end is socketed on gas kitchen pipe joint 4, air hose joint 5 and the oxygen tube junction 6 of mounted combustion heater 1; Again with battery main switch 35, always stop button 36 and alarm 37 and be arranged on the panel 38 of Intelligent control cabinet 22.At last, use again electric wire, with intelligent controller 26 with temperature sensor 2, ignition 12, gas control valve 23, air shut-off valve 27, oxygen control valve 29, battery main switch 35, always stop button 36, alarm 37 couples together, wherein, pass with being connected in conduit 40 in the four looks four pipe flexible pipes 39 of electric wire from be arranged on Intelligent control cabinet 22 of being connected with ignition of temperature sensor 2; Intelligent controller 26 sets control program.Like this, the present invention just implements complete.During application, Intelligent control cabinet 22 is switched on power, an end that does not connect of three look three pipe flexible pipes 33 is connected combustion gas, air and oxygen source, the heating tube 9 of combustion heater 1 is inserted heated covers to be had in the bolt hole of bolt 18 of nut 17, the upper end that opening in the middle of bottom end cover 10 entangles nut 17, then open the battery main switch 35 on the panel 38 of Intelligent control cabinet 22, just can carry out the Based Intelligent Control heating.
Claims (2)
1. intelligent bolt gas-operated thermal bath facility, it is characterized in that: formed by combustion heater 1 and Intelligent control cabinet 22, described combustion heater 1 is by a circular outer pipe 14 be arranged on a top in this circular outer pipe and the cylindrical combustion chamber 11 that heating tube 9 is housed in the middle of the cylindrical gas mixing chamber 7 of gas kitchen pipe joint 4, air hose joint 5 and oxygen tube junction 6 and bottom is housed forms; Described gas mixer chamber 7 bottoms are stretched in combustion chamber 11 and are connected together with it, and top is fixed on the centre of circular outer pipe 14 by pull bar 3 bottoms by 16 one-tenth axis directions of support; Cover core 21 and upper end cover 15 are equipped with in described circular outer pipe 14 upper ends, upper cover core 21 is convex, be in the middle part of upper end cover 15 the insides, its projection is in the middle of upper end cover 15, the opening in the middle of cover core 21 is passed in the upper end of gas kitchen pipe joint 4, air hose joint 5 and oxygen tube junction 6, reaches upper end cover 15 outsides; Described pull bar 3 lower ends are connected in above gas mixer chamber 7, the upper end be connected to cover core 21 below, the bottom end cover 10 of middle opening is equipped with in circular outer pipe 14 lower ends, described support 16 lower ends be fixed on bottom end cover 10 above, the upper end is connected and is supporting combustion chamber 11 with the lower surface of combustion chamber 11; The opening in the middle of bottom end cover 10 is passed in described heating tube 9 bottoms, reaches bottom end cover 10 outsides; Circular outer pipe 14 bottoms have waste gas outlet 19; In the middle of below described gas mixer chamber 7, a nozzle 8 is arranged, facing to heating tube 9, adjacency is equipped with ignition 12 to 8 one-tenth axis of this nozzle downwards, and this ignition power line 13 leads to the outside of upper end cover 15; Described combustion chamber 11 1 sides are equipped with temperature sensor 2, can respond to the temperature of backflow waste gas, offer intelligent controller 26 by electric wire.
2. intelligent bolt gas-operated thermal bath facility according to claim 1, is characterized in that: intelligent controller 26, gas control valve 23, air shut-off valve 27, oxygen control valve 29, three looks three pipe flexible pipes 33 and four looks four pipe flexible pipes 39 are housed in described Intelligent control cabinet 22; Described three look three pipe flexible pipe 33 1 ends are connected on the air inlet of described three kinds of control valves, and empty the keeping with three kinds of sources of the gas of the other end joined; Described four look four pipe flexible pipes wherein three flexible pipe one ends are connected on the gas outlet of described three kinds of control valves, the other end is connected on gas kitchen pipe joint 4, air hose joint 5 and oxygen tube junction 6 on combustion heater 1, also has the logical intelligent controller 26 of a flexible pipe to connect the electric wire of temperature sensors 2 and ignition 12; Battery main switch 35 is housed on Intelligent control cabinet 22 panels 38, always stops button 36 and alarm 37; Intelligent controller 22 by electric wire respectively with temperature sensor 2, gas control valve 23, air shut-off valve 27, oxygen control valve 29, ignition 12 be arranged on battery main switch 35 on Intelligent control cabinet 22 panels 38, always stop button 36 and be connected with alarm 37.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100681802A CN103104915A (en) | 2013-03-04 | 2013-03-04 | Intelligent gas heating device used for heating bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100681802A CN103104915A (en) | 2013-03-04 | 2013-03-04 | Intelligent gas heating device used for heating bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103104915A true CN103104915A (en) | 2013-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100681802A Pending CN103104915A (en) | 2013-03-04 | 2013-03-04 | Intelligent gas heating device used for heating bolt |
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| Country | Link |
|---|---|
| CN (1) | CN103104915A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103180088A (en) * | 2011-10-26 | 2013-06-26 | Newpol机械工程有限公司 | Gas bolt heating apparatus |
| CN112658591A (en) * | 2020-12-01 | 2021-04-16 | 山东齐鲁电机制造有限公司 | Heating device and method for hot tightening of large bolts of steam turbine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080272090A1 (en) * | 2007-05-04 | 2008-11-06 | Xtreme Bolting Service, Inc. | Compact, Portable Resistance Heating Device |
| CN101718470A (en) * | 2008-10-09 | 2010-06-02 | 扬中市华能电力设备有限公司 | Portable gas bolt heating device |
| CN102179660B (en) * | 2011-01-06 | 2013-02-27 | 上海电气电站设备有限公司 | Flame heating tool for bolt in deep hole |
| CN203092067U (en) * | 2013-03-04 | 2013-07-31 | 扬中市华能电力设备有限公司 | Intelligent bolt gas heating device |
-
2013
- 2013-03-04 CN CN2013100681802A patent/CN103104915A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080272090A1 (en) * | 2007-05-04 | 2008-11-06 | Xtreme Bolting Service, Inc. | Compact, Portable Resistance Heating Device |
| CN101718470A (en) * | 2008-10-09 | 2010-06-02 | 扬中市华能电力设备有限公司 | Portable gas bolt heating device |
| CN102179660B (en) * | 2011-01-06 | 2013-02-27 | 上海电气电站设备有限公司 | Flame heating tool for bolt in deep hole |
| CN203092067U (en) * | 2013-03-04 | 2013-07-31 | 扬中市华能电力设备有限公司 | Intelligent bolt gas heating device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103180088A (en) * | 2011-10-26 | 2013-06-26 | Newpol机械工程有限公司 | Gas bolt heating apparatus |
| CN103180088B (en) * | 2011-10-26 | 2016-08-10 | Newpol机械工程有限公司 | Gas bolt heating device |
| CN112658591A (en) * | 2020-12-01 | 2021-04-16 | 山东齐鲁电机制造有限公司 | Heating device and method for hot tightening of large bolts of steam turbine |
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Application publication date: 20130515 |