CN106439368A - Pipeline heater - Google Patents
Pipeline heater Download PDFInfo
- Publication number
- CN106439368A CN106439368A CN201611183650.XA CN201611183650A CN106439368A CN 106439368 A CN106439368 A CN 106439368A CN 201611183650 A CN201611183650 A CN 201611183650A CN 106439368 A CN106439368 A CN 106439368A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- heater
- heating unit
- circular
- semi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a pipeline heater which takes fuel gas as fuel. The pipeline heater comprises a shell body, a heating unit, a control unit, heat-isolation filling and a sealing gasket, wherein the heating unit and the heat-isolation filling are arranged on the inner side of the shell body; the sealing gasket is arranged between a pipeline to be heated and the heater; the control unit is connected with the heating unit and is used for controlling the operation of the heating unit; a main heater of the heating unit is composed of a plurality of groups of circular-arc-shaped metal pipes arranged between the pipeline to be heated and the heat-isolation filling; an auxiliary heater is a metal bent pipe arranged in the heat-isolation filling; a fuel gas bottle is connected with a pipeline on the heating unit; the heating unit is started by an ignition needle; the heating unit generates heat for removing moisture of a pipeline welding seam. The pipeline heater provided by the invention is applicable to pipeline treatment of different construction sites and various bad weathers; the pipeline heater is reasonable in structure, rapid to mount and detach, high in construction efficiency and rapid in circulation and turnover and utilization; the fuel gas is used as an energy source and the pipeline heater can work without the need of an external power supply, so that an application range of the pipeline heater is effectively enlarged.
Description
Technical field
The present invention relates to pipeline welding, Crater antiseptic technical field, more particularly, to a kind of pipeline heater.
Background technology
In municipal pipe-line system work progress, the surface treatment of steel pipe weld bond is to ensure that the key of welding quality.?
During rainy weather, need before pipeline welding steel pipe welding discharge surface is carried out to heat, dehumidification treatments it is ensured that the drying of weld bond, not so
The welding quality of pipeline can be affected；And for example in the winter time under low temperature environment, pipeline needs coating is carried out after brushing corrosion-inhibiting coating to add
Temperature is processed, to promote corrosion-inhibiting coating rapid solidification, to ensure the construction period of engineering.
In the prior art, there are multiple firing equipments.As for Sentry Box, villa garden and all kinds of exhibition activity
The outdoor gas heat collector of onsite application.But, this outdoor gas heat collector has that radiant intensity is low, firing rate is slow not
Foot, the environment not being suitable for being directly used in job site is heated, is incubated.
Also has the gas infrared radiation pipe product being used for indoor large space heating at present, it also enables environment and heats, protects
Temperature.But because this kind of product is the indoor place design towards fixed position, there is Radix Saposhnikoviae, water-resistant performance deficiency, set in it
The shortcomings of standby very flexible, it is not suitable for pipeline welding scene.
In addition, also part warm braw machine equipment provides the function of heat drying, because this equipment is not for pipeline welding
Job site and design it is impossible to realize quick, be precisely, efficiently pipe welding port heating and dehumidification.
Therefore, need a kind of heater being applied to pipeline welding occasion of design badly, quick, efficient for pipeline adds
Heat.
Content of the invention
A kind of pipeline heater that the present invention provides, can solve steel pipe weld bond surface when low temperature or rainy weather and add
The wet problem of evanescence of heat, it is rational in infrastructure, installs, dismantles quick, efficiency of construction height, circulation is used in turn fast；And made using combustion gas
For the energy, get final product work without external power supply, improve its range of application to a certain extent.
Technical scheme：
For solving above-mentioned technical problem, the present invention provides a kind of pipeline heater, is used combustion gas to heat as fuel, it includes outer
Housing, heating unit, control unit, thermal insulating filling and seal washer；Heating unit and thermal insulating filling are arranged in shell body
Side, seal washer is arranged between hot channel to be added and heater, and control unit is connected with heating unit, controls heating unit
Run；Described shell body is a pair of semi-circular heating mantles, has been arranged between hinge；Described heating unit includes primary heater, auxiliary
Help heater and igniting needle, primary heater is the multigroup circular arc-shaped metal pipe being arranged between hot channel to be added and thermal insulating filling,
Auxiliary heater is the metal winding pipe being arranged within thermal insulating filling；Fuel gas bottle is connected with the pipeline on heating unit, igniting needle
Open heating unit, heating unit dehumidifies for pipe welding port and produces heat.
Further, the quantity of described circular arc-shaped metal pipe is multigroup arranged in parallel along being provided with 1-3 group, its circular arc
Flash hole, to ensure heater body even heat.
Further, described flash hole is circular or bar slit, and the setting of the form and dimension of flash hole can be according to heating
The load design of device determines.
Further, described control unit includes pipe-line system, main road pipeline adjusting knob, electric ignition device and auxiliary tube
Road adjusting knob；Described electricity ignition device is connected with igniting needle, and adjusting knob is arranged in pipe-line system.
Further, described pipe-line system includes primary branch one tunnel, primary branch two tunnel, auxiliary branch line, injector, voltage stabilizing box
And distribution flexible pipe；Combustion gas enters from intake interface, is divided into main road and bypass, described main road pipeline adjusting knob setting by threeway
In main road main, subsidiary conduit adjusting knob is arranged on bypass arm, and the lower end of main road main is connected with injector and voltage stabilizing
Box, the lower end of voltage stabilizing box is connected with primary branch one tunnel and primary branch two tunnel；In primary branch one tunnel and side semi-circular heating mantles
Primary heater connects, and primary branch two tunnel is connected with the primary heater in opposite side semi-circular heating mantles by distribution flexible pipe.
Further, described semi-circular heating mantles is provided with heat insulation handle and observation port, heat insulation handle is welded on semi-ring
The middle and upper part of shape heating mantles, the installation for heater and dismounting；Observation port is arranged on the middle part of semi-circular heating mantles, operator
Member can monitor pipeline heating state by observation port.
Further, described semi-circular heating mantles is additionally provided with air inlet, exhaust opening.Air inlet is arranged on semi-circular and adds
The bottom of heat cover, the air inlet from bottom for the air enters, and fully and combustion gas mixing, burning produces heat to the oxygen of in the air；Row
Mouth is arranged on the top of semi-circular heating mantles, and the flue gas that the combustion gas of burning produces with heat is excluded from exhaust opening.
Further, described heater also includes infrared temperature detecting probe, and it is arranged near heating unit, and its quantity is 1-
4；Infrared temperature detecting probe can be with accurate measurement pipe surface temperature, in order to control heating progress；The cloth of infrared temperature detecting probe
Seated position needs careful selection, and it should be chosen at homogeneous heating, thermograde changes less pipe surface, to exclude extraneous factor
Pipe temperature measurement impact.
Further, described seal washer is heat-resisting more than 200 DEG C, and has resilient incombustible material；Described heat-insulated fill out
Expect for heat-resisting more than 300 DEG C, and have resilient incombustible material.
Further, described seal washer, thermal insulating filling are calcium silicates.
Beneficial effect of the present invention：
A kind of pipeline heater that the present invention provides is applied to different construction sites and various boisterous line treatment, its knot
Structure rationally, efficiently solves the problems, such as scene, produces following technique effect：
（1）Using semicircular configuration, install, dismantle quick, efficiency of construction height, circulation is used in turn fast；
（2）Heating unit includes primary heater and auxiliary heater, flexibly can be selected according to operating mode, it is ensured that heats, to be suitable for
Property is strong；
（3）Using combustion gas as the energy, get final product work without external power supply, improve its range of application to a certain extent.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the partial enlarged drawing of Fig. 1；
Fig. 4 is the structural representation of the circular arc-shaped metal pipe of the present invention；
Fig. 5 is the partial enlarged drawing of Fig. 4；
Fig. 6 is the structural representation of the control unit of the present invention.
Wherein：
1. semicircle heating mantles；2. heat insulation handle；3. seal washer；4. control unit；4-1. pipe-line system；4-2. main road pipeline
Adjusting knob；4-3. electricity ignition device；4-4. intake interface；4-5. distribution flexible pipe；4-6. subsidiary conduit adjusting knob；4-1-1.
Main branch one tunnel；4-1-2. main branch two tunnel；4-1-3. auxiliary branch；4-1-4. injector；4-1-5. voltage stabilizing box；5. infrared temperature
Sense probe；6. primary heater；7. thermal insulating filling；8. observation port；9. exhaust opening；10. air inlet；11. igniting needles；12. auxiliary add
Hot device；13. hinges；14. circular arc-shaped metal pipes；15. flash holes.
Specific embodiment
With reference to specific embodiments and the drawings, a kind of pipeline heater of the present invention is described in detail：
Fig. 1 to Fig. 6 is a kind of accompanying drawings of pipeline heater described herein.
Fig. 1 is a kind of structural representation of pipeline heater of the present invention, is used combustion gas to heat as fuel, Fig. 2 is
The left view of Fig. 1.A kind of pipeline heater includes shell body, heating unit, control unit 4, thermal insulating filling 7 and seal washer
3；Heating unit and thermal insulating filling 7 are arranged on inside shell body, and seal washer 3 is arranged between hot channel to be added and heater,
Control unit 4 is connected with heating unit, controls the operation of heating unit.
Described shell body is a pair of semi-circular heating mantles 1, is made, its total thickness by the way of framework cladding thin-wall metal piece
Typically in 30-50mm, the overall dimensions of semi-circular heating mantles 1 are arranged degree with the dimensional fits of hot channel to be added；A pair of semi-circular
It is provided with hinge 13, by hinge 13, to realize installation and the dismounting of heating mantles between heating mantles 1.
Described heating unit includes primary heater 6, auxiliary heater 12 and igniting needle 11（Fig. 3 illustrates）, primary heater 6 is
It is arranged on the multigroup circular arc-shaped metal pipe 14 between hot channel to be added and thermal insulating filling 7, auxiliary heater 12 is heat-insulated for being arranged on
Metal winding pipe within filler 7；Fuel gas bottle is connected with the pipeline on heating unit, and igniting needle 11 opens heating unit, and heating is single
Unit dehumidifies for pipe welding port and produces heat.
The structural representation of the circular arc-shaped metal pipe of the present invention, as shown in Figure 4.The quantity of described circular arc-shaped metal pipe 14 is
1-3 group, in its circular arc, edge is provided with multigroup flash hole 15 arranged in parallel（Fig. 5 illustrates）, Fig. 5 is the partial enlarged drawing of Fig. 4, institute
Stating flash hole 15 is circular or bar slit, this structure setting of circular arc-shaped metal pipe, can effectively lift heater heating
Uniformity, strengthens heats.
Fig. 6 is the structural representation of the control unit of the present invention, and it includes pipe-line system 4-1, main pipeline adjusting knob 4-
2, electric ignition device 4-3, subsidiary conduit adjusting knob 4-6；Described electricity ignition device 4-3 is connected with igniting needle 11, adjusting knob
It is arranged in pipe-line system 4-1.
Described pipe-line system 4-1 includes primary branch one road 4-1-1, primary branch two road 4-1-2, auxiliary branch line 4-1-3, injection
Device 4-1-4, voltage stabilizing box 4-1-5 and distribution flexible pipe 4-5；Combustion gas enters from intake interface 4-4, is divided into main road and auxiliary by threeway
Road, described main pipeline adjusting knob 4-2 is arranged on main road main, and subsidiary conduit adjusting knob 4-6 is arranged on bypass arm 4-
On 1-3, the lower end of main road main is connected with injector 4-1-4 and voltage stabilizing box 4-1-5, and the lower end of voltage stabilizing box 4-1-5 is connected with master
Arm one road 4-1-1 and primary branch two road 4-1-2；Primary heater in primary branch one road 4-1-1 and side semi-circular heating mantles 1
6 connections, primary branch two road 4-1-2 is connected with the primary heater 6 in opposite side semi-circular heating mantles 1 by distribution flexible pipe 4-5.
It is atmospheric burning type in primary heater 6 described herein, calorific intensity is high, high combustion efficiency, is applied to temperature
Insensitive it is desirable to heating amount is big, the fast pipeline operations link of firing rate.Operator pass through main pipeline adjusting knob 4-2 and adjust
The aperture of section main road main, controls gas flow, that is, controls the output loads of primary heater 6.
Auxiliary heater 12 is diffusion type burning, and calorific intensity is low, flameholding, be applied to temperature sensitive it is desirable to all
The pipeline operations link of even slow heating.Operator adjust opening of bypass arm 4-1-3 by subsidiary conduit adjusting knob 4-6
Degree, controls the flow of combustion gas, that is, controls the output loads of auxiliary heater 12.
At the scene during constructing operation, operator can add with the use of primary heater 6 and auxiliary according to site operation situation
Hot device 12.
Heat insulation handle 2 and observation port 8 are provided with described semi-circular heating mantles 1, as shown in Figure 2.Heat insulation handle 2 is welded on
The middle and upper part of semi-circular heating mantles 1, the hand-held heat insulation handle of operator 2 carries out Fast Installation and the dismounting that pipeline heater arrives；
Observation port 8 is arranged on the middle part of semi-circular heating mantles 1, and operator monitor the heating state of pipeline by observation panel；Observation panel 8
Outside be additionally provided with escutcheon, when not observing, observation panel 8 can be blocked by escutcheon.
Air inlet 10, exhaust opening 9 are additionally provided with described semi-circular heating mantles 1.Air inlet 10 is arranged on semi-circular heating
The bottom of cover 1, air enters from the air inlet 10 of bottom, and fully and combustion gas mixing, burning produces heat to the oxygen of in the air；Row
Mouth 9 is arranged on the top of semi-circular heating mantles 1, and the flue gas that the combustion gas of burning produces with heat is excluded from exhaust opening 9.
Described heater also includes infrared temperature detecting probe 5, and it is arranged near heating unit, and its quantity is 1-4 part.Infrared
Warming probe 5 can be with accurate measurement pipe surface temperature, in order to control heating progress；The position of infrared temperature detecting probe 5
Need careful selection, it should be chosen at homogeneous heating, thermograde changes less pipe surface, to exclude the pipeline of extraneous factor
Thermometric impact
Described seal washer 3 be heat-resisting more than 200 DEG C, and have resilient incombustible material, the size of seal washer 3 with to be heated
Tube fit is arranged, and it is more than outer diameter tube 1-2mm to be heated；Described thermal insulating filling 7 is heat-resisting more than 300 DEG C, and has bullet
The incombustible material of property, the thickness of thermal insulating filling 7 in more than 10mm, had so both ensured heat-insulated effect, had facilitated thermal insulating filling 7 again
Install.In the embodiment shown in fig. 1, described seal washer 3, thermal insulating filling 7 are calcium silicates.
The present invention provide a kind of pipeline heater be applied to different construction sites and various vile weather, its can apply with
The heating of pipe welding port, also apply be applicable to the place that other need pipe surface is heated；A kind of pipeline heater structure
Rationally, install, dismantle quick, efficiency of construction height, circulation is used in turn fast；And using combustion gas as the energy, need not external electricity
Source gets final product work, improves its range of application to a certain extent.
The present invention is not limited to above-mentioned embodiment, and anyone can draw other various forms under the enlightenment of the present invention
Product, however, making any change in its shape or structure, every have technical side identical or similar to the present application
Case, is within the scope of the present invention.
Claims (10)
1. a kind of pipeline heater, is used combustion gas as fuel heating it is characterised in that including shell body, and heating unit controls
Unit（4）, thermal insulating filling（7）And seal washer（3）；Heating unit and thermal insulating filling（7）It is arranged on inside shell body, sealing
Packing ring（3）It is arranged between hot channel to be added and heater, control unit（4）It is connected with heating unit, control heating unit
Run；Described shell body is a pair of semi-circular heating mantles（1）, it has been arranged between hinge（13）；Described heating unit includes main adding
Hot device（6）, auxiliary heater（12）And igniting needle（11）, primary heater（6）For being arranged on hot channel to be added and thermal insulating filling（7）
Between multigroup circular arc-shaped metal pipe（14）, auxiliary heater（12）For being arranged on thermal insulating filling（7）Internal metal winding pipe；Combustion
Gas cylinder is connected with the pipeline on heating unit, igniting needle（11）Open heating unit, heating unit dehumidifies for pipe welding port and produces
Heat.
2. a kind of pipeline heater according to claim 1 is it is characterised in that described circular arc-shaped metal pipe（14）Quantity
Edge in 1-3 group, its circular arc is provided with multigroup flash hole arranged in parallel（15）.
3. a kind of pipeline heater according to claim 2 is it is characterised in that described flash hole（15）For circular or bar seam
Shape.
4. a kind of pipeline heater according to claim 1 is it is characterised in that described control unit（4）Including pipeline system
System（4-1）, main road pipeline adjusting knob（4-2）, electric ignition device（4-3）And subsidiary conduit adjusting knob（4-6）；Described electricity is beaten
Fiery device（4-3）With igniting needle（11）Connect, adjusting knob is arranged on pipe-line system（4-1）On.
5. a kind of pipeline heater according to claim 4 is it is characterised in that described pipe-line system（4-1）Including main
Guan Yilu（4-1-1）, primary branch two tunnel（4-1-2）, auxiliary branch line（4-1-3）, injector（4-1-4）, voltage stabilizing box（4-1-5）And
Distribution flexible pipe（4-5）；Combustion gas is from intake interface（4-4）Enter, main road and bypass are divided into by threeway, described main road pipeline is adjusted
Knob（4-2）It is arranged on main road main, subsidiary conduit adjusting knob（4-6）It is arranged on bypass arm（4-1-3）On, main road main
Lower end be connected with injector（4-1-4）And voltage stabilizing box（4-1-5）, voltage stabilizing box（4-1-5）Lower end be connected with primary branch one tunnel
（4-1-1）And primary branch two tunnel（4-1-2）；Primary branch one tunnel（4-1-1）With side semi-circular heating mantles（1）Interior primary heater
（6）Connect, primary branch two tunnel（4-1-2）By distribution flexible pipe（4-5）With opposite side semi-circular heating mantles（1）Interior primary heater
（6）Connect.
6. a kind of pipeline heater according to claim 1 is it is characterised in that described semi-circular heating mantles（1）Upper setting
There is heat insulation handle（2）And observation port（8）, heat insulation handle（2）It is welded on semi-circular heating mantles（1）Middle and upper part, observation port（8）If
Put in semi-circular heating mantles（1）Middle part.
7. a kind of pipeline heater according to claim 6 is it is characterised in that described semi-circular heating mantles（1）On also set
It is equipped with air inlet（10）, exhaust opening（9）, air inlet（10）It is arranged on semi-circular heating mantles（1）Bottom, exhaust opening（9）Setting
In semi-circular heating mantles（1）Top.
8. a kind of pipeline heater according to claim 1 is it is characterised in that described heater also includes infrared temperature detecting spy
Head（5）, it is arranged near heating unit, and its quantity is 1-4 part.
9. a kind of pipeline heater according to claim 1 is it is characterised in that described seal washer（3）For heat-resisting 200 DEG C
More than, and have resilient incombustible material；Described thermal insulating filling（7）For heat-resisting more than 300 DEG C, and has resilient not fuel wood
Material.
10. a kind of pipeline heater according to claim 9 is it is characterised in that described seal washer（3）, thermal insulating filling
（7）For calcium silicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183650.XA CN106439368A (en) | 2016-12-20 | 2016-12-20 | Pipeline heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183650.XA CN106439368A (en) | 2016-12-20 | 2016-12-20 | Pipeline heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106439368A true CN106439368A (en) | 2017-02-22 |
Family
ID=58215047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611183650.XA Pending CN106439368A (en) | 2016-12-20 | 2016-12-20 | Pipeline heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106439368A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201455569U (en) * | 2009-07-27 | 2010-05-12 | 中国第二冶金建设有限责任公司 | Annular pipe opening heater |
| JP2011255322A (en) * | 2010-06-09 | 2011-12-22 | Tokyo Gas Co Ltd | Method and apparatus for preventing generation of coating material degenerating mist in inside coated pipe |
| CN204372431U (en) * | 2014-11-25 | 2015-06-03 | 沈阳艾斯德电气***有限公司 | A kind ofly embrace fastener device for pipeline heating, the medium, high frequency Electromagnetic Heating that thaws |
| WO2015183121A1 (en) * | 2014-05-26 | 2015-12-03 | Общество с ограниченной ответственностью "Уникат" | Device for heating local areas of pipelines |
| CN105127631A (en) * | 2015-10-15 | 2015-12-09 | 上海好柏燃烧设备科技有限公司 | Butt-welding heating device for large pipe fittings |
| CN206280648U (en) * | 2016-12-20 | 2017-06-27 | 北京市公用事业科学研究所 | A kind of pipeline heater |
-
2016
- 2016-12-20 CN CN201611183650.XA patent/CN106439368A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201455569U (en) * | 2009-07-27 | 2010-05-12 | 中国第二冶金建设有限责任公司 | Annular pipe opening heater |
| JP2011255322A (en) * | 2010-06-09 | 2011-12-22 | Tokyo Gas Co Ltd | Method and apparatus for preventing generation of coating material degenerating mist in inside coated pipe |
| WO2015183121A1 (en) * | 2014-05-26 | 2015-12-03 | Общество с ограниченной ответственностью "Уникат" | Device for heating local areas of pipelines |
| CN204372431U (en) * | 2014-11-25 | 2015-06-03 | 沈阳艾斯德电气***有限公司 | A kind ofly embrace fastener device for pipeline heating, the medium, high frequency Electromagnetic Heating that thaws |
| CN105127631A (en) * | 2015-10-15 | 2015-12-09 | 上海好柏燃烧设备科技有限公司 | Butt-welding heating device for large pipe fittings |
| CN206280648U (en) * | 2016-12-20 | 2017-06-27 | 北京市公用事业科学研究所 | A kind of pipeline heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11668056B2 (en) | Burner and locomotive for spreading waterproof coil in hot melt manner | |
| CN102788508B (en) | Furnace drying method of industrial furnace module and furnace drying device for industrial furnace module | |
| CN205079599U (en) | Cement rotary kiln barrel surface radiation heat reclaim unit | |
| CN206280648U (en) | A kind of pipeline heater | |
| CN105127631A (en) | Butt-welding heating device for large pipe fittings | |
| CN209013224U (en) | A kind of oil field water batch heater gas-preheating attemperator | |
| CN106439368A (en) | Pipeline heater | |
| CN104164803A (en) | Gas direct-fired heating drying oven | |
| CN202101394U (en) | Direct-fired box type oil hot air furnace | |
| CN106958943B (en) | Electric heating solid heat storage boiler and electric heating solid heat collecting system | |
| CN106482331A (en) | A kind of energy-conserving and environment-protective gas-heating and hot-water boiler | |
| CN207162929U (en) | A kind of energy-conservation direct-combustion boiler of biomass | |
| CN206600801U (en) | A kind of fractional combustion thermal-storage burning device utilizing radiant tube | |
| CN107655284A (en) | Novel natural gas multi-drum drier | |
| CN211113017U (en) | Antiseized material regeneration drying cylinder | |
| CN110846835A (en) | Gas drying cylinder of sizing machine | |
| CN206953265U (en) | A kind of energy-saving and environmentally-friendly concrete component heats curing means | |
| CN209504469U (en) | A kind of prefabricated components curing means | |
| CN202253631U (en) | Multiple-tube burner | |
| RU2614558C2 (en) | Device for radiational heating and destratification of ambient air | |
| CN102032573B (en) | Full premix gas cambered-cylinder infrared burner | |
| CN206280959U (en) | A kind of heat accumulating type multitubular bundles radiant tube combustion device | |
| CN205166210U (en) | Large -scale pipe fitting butt welding heating device | |
| CN207231130U (en) | Novel natural gas multi-drum drier | |
| CN205590747U (en) | Electric heating furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |