CN203665941U - Hot air reflowing heating box and formed composite tube hot air reflowing heating device - Google Patents
Hot air reflowing heating box and formed composite tube hot air reflowing heating device Download PDFInfo
- Publication number
- CN203665941U CN203665941U CN201320885897.1U CN201320885897U CN203665941U CN 203665941 U CN203665941 U CN 203665941U CN 201320885897 U CN201320885897 U CN 201320885897U CN 203665941 U CN203665941 U CN 203665941U
- Authority
- CN
- China
- Prior art keywords
- hot air
- air
- heating
- communicated
- heating cabinet
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a hot air reflowing heating box. The whole hot air reflowing heating box is an annular cavity, an air inlet and an air outlet are formed in the outer wall surface of the cavity, a through hole is formed in the center of the cavity, an air blocking cover, an air inlet cover and a heat preservation cover which are communicated in order are respectively formed between the air inlet and the air outlet, and air ventilation holes are formed in the connecting positions; the air blocking cover, the air inlet cover and the annular cavity form an air inlet area together, a heating area is formed in the air inlet cover, a heat preservation area is formed in the heat preservation cover, a reflowing area is formed between the outer part of the heat preservation cover and the annular cavity, the air inlet area, the heating area, the heat preservation area and the reflowing area form the flowing line of the hot air, the air inlet area is communicated with the air inlet, and the reflowing area is communicated with the air outlet. The utility model simultaneously discloses a composite tube hot air reflowing heating device. The device comprises the hot air reflowing heating box, a heat circulating fan, a heating source and a valve which are communicated in sequence to form a closed loop. The hot air reflowing heating box has the advantages of low processing cost, convenience in operation, high heating effect, and continuous production of the production line.
Description
Technical field
The utility model relates to a kind of pipe heating device, especially relates to a kind of hot air reflux heater of compound pipeline complex pipeline, belongs to pipeline processing device technique field.
Background technology
Reinforced plastic pipe material, to adopt, in the plastic pipe of inside and outside HDPE material, enhancement layer is set, and by adhering resin realize inside and outside HDPE layer and middle enhancement layer bonding (enhancement layer material is generally metal herein, but also can be other materials, as fiber, fabric strip etc.).In production technology, the surface of the plastic pipe of internal layer HDPE material is arranging after enhancement layer, for its surface is reached and the bonding required temperature of adhering resin layer, conventionally adopt at present ceramic heating device to heat the surface that is provided with enhancement layer, in oven interior, ceramic heat piece is set, in described ceramic heat piece, is provided with heating wire, thereby by heating wire, energising makes ceramic block heating, and then heat is delivered on core pipe, thereby meet production technology.But this ceramic heat method is prone to following problem in actual production: 1, this kind of ceramic heating device oven interior ceramic heat piece after long-term use or in the situation that power is excessive easily burns out, and impact is normally produced; 2,, after this ceramic heat piece fault, detachable maintaining trouble, causes tubing not produce continuously; 3, because pottery is arranged on oven interior, and baking oven is not hermetically-sealed construction, and therefore, in the process of tubing heat absorption, having most heat is loss, has caused energy consumption.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide that a kind of processing cost is low, energy loss is little, easy to operate, the multiple tube hot air reflux heater that can realize quantity-produced hot air reflux heating cabinet and formation thereof.
For achieving the above object, the utility model is to realize by following technical scheme:
A kind of hot air reflux heating cabinet, its entirety is an annular housing, in the outside wall surface of annular housing, be provided with air inlet and air outlet, Er Qi center is a through hole for multiple tube turnover, it is characterized in that, in described annular housing, be formed with respectively windshield by import to outlet, air intake cover and stay-warm case, described windshield, air intake cover and stay-warm case order are communicated with, and form air vent in junction, wherein, described windshield, the common tapering type die cavity formation air intake district that forms of air intake cover and annular housing, described air intake cover inside forms the thermal treatment zone for gradually opening tapering type die cavity, in addition, the inside of described stay-warm case is for involute die cavity forms heat preservation zone, between the outside of stay-warm case and annular housing, form recirculating zone, described air intake district, the thermal treatment zone, heat preservation zone and recirculating zone form the glide path of hot blast, and described air intake district is communicated with described air inlet, described recirculating zone is communicated with described air outlet.
Further, described air intake district forms hot blast cutter, and described hot blast cutter is looping pit or grid hole to the heating gate of multiple tube.
And the outside of described annular housing is also provided with outer cover, between described outer cover and annular housing, be also provided with heat-barrier material, and the entrance point of described annular housing and the port of export are provided with heat shield, between described heat shield and annular housing, be also provided with insulating inner lining, and the heat shield of described entrance point is provided with the first seal joint in the contact position of entrance point and approaching and multiple tube.
In addition, the air intake district in described annular housing is also provided with air inlet sealing ring at entrance point, and described windshield is provided with the second seal joint in the contact position of entrance point and approaching and multiple tube.
Further, described air intake cover and the link of stay-warm case are also provided with dismountable wind loop and back pressure ring, and described wind loop is arranged on the top of back pressure ring.
A kind of multiple tube hot air reflux heater, it is characterized in that, comprise heating source, thermal circulation fan, hot air reflux heating cabinet and valve, described valve, heating source, thermal circulation fan and hot air reflux heating cabinet forms closed loop pipeline after being communicated with by heat-resisting pipeline order, and described valve is communicated with the air inlet of hot air reflux heating cabinet by heat-resisting pipeline, described thermal circulation fan is communicated with the air outlet of hot air reflux heating cabinet by heat-resisting pipeline.
Further, one heating emergency bypass is also at least set, on described heating emergency bypass, be provided with heating source and thermal circulation fan, wherein, the heating emergency bypass of described heating source is communicated with described valve, and the heating emergency bypass of thermal circulation fan end is communicated with the air outlet of hot air reflux heating cabinet.
And described valve is ball-type three-way valve.
And in the heat preservation zone of the air inlet of described hot air reflux heating cabinet, air outlet and hot air reflux heating cabinet, be provided with temperature sensing device, in described heating source, be provided with temperature sense detector.
The beneficial effects of the utility model are: the hot blast that the utility model utilizes heating source to produce is transported in hot air reflux heating cabinet by pipeline, form hot blast back pressure heated air stream in the hot air reflux heating cabinet thermal treatment zone, make Heating Zone Temperature steep temperature rise reach the required temperature of fusing multiple tube inner tube surface plastics, and hot blast in hot air reflux heating cabinet is finally extracted out by thermal circulation fan and is transported in heating source, form heat cycles, due to the air inlet at hot air reflux heating cabinet, in air outlet and heat preservation zone, be provided with temperature sensing device, therefore the utility model also has by automatic adjusting and controls the thermal treatment zone in hot air reflux heating cabinet, the advantage of the temperature of heat preservation zone.In addition, multiple tube heater described in the utility model can be provided with many branch roads, when wherein also not causing production Halfway Stopping because of compound pipeline complex pipeline heater fault after a fault.In sum, the compound pipeline complex pipeline heater in the utility model utilizes wind energy circulation, has reduced energy consumption, and has realized the continuous production after heater fault by many branch roads are set.
Accompanying drawing explanation
Fig. 1 is the perspective view of hot air reflux heating cabinet described in the utility model;
Fig. 2 is the cross-sectional view of hot air reflux heating cabinet described in the utility model;
Fig. 3 is the front view of hot air reflux heating cabinet described in the utility model;
Fig. 4 is the side view of hot air reflux heating cabinet described in the utility model;
Fig. 5 is the structural representation of multiple tube hot air reflux heater described in the utility model.
In figure, main Reference numeral implication is:
1, hot air reflux heating cabinet 111, air inlet 112, air outlet 113, windshield
114, air intake cover 115, stay-warm case 116, outer cover 117, heat insulation asbestos
118, heat shield 119, insulating inner lining 120, the first seal joint
121, air inlet sealing ring 122, the second seal joint
123, wind loop 124, back pressure ring 125, handle 126, chain
2, heating source 3, thermal cycle air pressure gun 4, valve 5, heat-resisting pipeline
6, temperature sensing device 7, temperature sense detector C, air intake district
D, thermal treatment zone E, heat preservation zone F, recirculating zone.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is carried out to concrete introduction.
Fig. 1 is the overall structure schematic diagram of hot air reflux heating cabinet described in the utility model; Fig. 2 is the cross-sectional view of hot air reflux heating cabinet described in the utility model.
As depicted in figs. 1 and 2: hot air reflux heating cabinet 1 entirety is an annular housing, in the outside wall surface of annular housing, be provided with air inlet 111 and air outlet 112, Er Qi center is a through hole for multiple tube turnover, in described annular housing, be formed with respectively windshield 113 by import to outlet, air intake cover 114 and stay-warm case 115, described windshield 113, air intake cover 114 and stay-warm case 115 orders are communicated with, and form air vent in junction, described junction is at nearly compound pipe end, wherein, described windshield 113, the tapering type die cavity of the common formation of air intake cover 114 and annular housing forms air intake district C, described air intake cover 114 inside form thermal treatment zone D for gradually opening tapering type die cavity, in addition, the inside of described stay-warm case 115 is for involute die cavity forms heat preservation zone E, between the outside of stay-warm case 115 and annular housing, form recirculating zone F, described air intake district C, thermal treatment zone D, heat preservation zone E and recirculating zone F form the glide path of hot blast, and described air intake district C is communicated with described air inlet 111, described recirculating zone F is communicated with described air outlet 112.
In the present embodiment, described air intake district C forms hot blast cutter, and described hot blast cutter is looping pit or grid hole to the heating gate of multiple tube, in the present embodiment, be looping pit, form the annular-heating to multiple tube, certainly it can be also grid hole, forms the point-like heating to heating tube.
In addition, the outside of described annular housing is also provided with outer cover 116, between described outer cover 116 and annular housing, is also provided with heat-barrier material, and in the present embodiment, described heat-barrier material is heat insulation asbestos 117, and it can be also other heat-barrier materials certainly.And the entrance point of described annular housing and the port of export are provided with heat shield 118, between described heat shield 118 and annular housing, be also provided with insulating inner lining 119.Further strengthen heat insulation effect, improved the utilization rate of wind-heat.
In addition, the heat shield 118 of described entrance point is provided with the first seal joint 120 in the contact position of entrance point and approaching and multiple tube.Air intake district C in described annular housing is also provided with air inlet sealing ring 121 at entrance point.And described windshield 113 is provided with the second seal joint 122 in the contact position of entrance point and approaching and multiple tube.The setting of above-mentioned sealing device, has strengthened distinguished and admirable sealing effectiveness.
And be also provided with wind loop 123 and back pressure ring 124 at the link of described air intake cover and stay-warm case, described wind loop 123 is arranged at the top of back pressure ring 124, described wind loop 123 and back pressure ring 124 are controlled for the flow velocity to wind, form hot blast eddy current in the thermal treatment zone, and then raising heating-up temperature, in the present embodiment, the material of described back pressure ring 124 is rigid material, and described wind loop 123 is elastomeric material.
Fig. 3 is the front view of hot air reflux heating cabinet described in the utility model.
As shown in Figure 3: on described hot air reflux heating cabinet 1, be also provided with chain 126, described hot air reflux heating cabinet 1 is designed to split-type structural, so that the installation and removal of internals, the fixing of Split type hot-air reflux heating case 1 is to form entirety by described chain 126 tightens.
Fig. 4 is the side view of hot air reflux heating cabinet described in the utility model.
As shown in Figure 4: on described hot air reflux heating cabinet 1, be also provided with handle 125, be convenient to picking and placeing and moving of hot air reflux heating cabinet 1.
Wherein, described hot air reflux heating cabinet 1 to the hot melt processing procedure of multiple tube is: hot blast enters into air intake district C from air inlet 111, because hot blast district is tapering type die cavity, therefore, the residing space of hot blast diminishes gradually, hot blast is assembled, temperature raises gradually, and enter into after the D of the thermal treatment zone by ventilating opening, because D district is for gradually opening tapering type die cavity, and owing to being provided with wind loop, it has limited the distinguished and admirable flow velocity to heat preservation zone E, the hot blast being blocked confluxes in the D of the thermal treatment zone, cause the temperature of hot blast sharply to promote, thereby realize composite pipe hot-melt and process needed temperature.Then, described hot blast enters into heat preservation zone E by ventilating opening, because heat preservation zone E is involute die cavity, wind speed reduces in the E of heat preservation zone, and because the air outlet of heat preservation zone E is smaller, cause hot blast to extend in the heat preservation zone holdup time, can reach good heat insulation effect.Finally, the hot air flow by heat preservation zone E is to recirculating zone F, and recirculating zone F is coated on the outside of heat preservation zone E, further the hot blast in the E of heat preservation zone is incubated, and wind circulation in the F of recirculating zone is crossed air outlet 112 and discharged.
Fig. 5 is the structural representation of multiple tube hot air reflux heater described in the utility model.
As shown in Figure 5: multiple tube hot air reflux heater comprises heating source 2, thermal circulation fan 3, hot air reflux heating cabinet 1 and valve 4, described valve 4, heating source 2, thermal circulation fan 3 and hot air reflux heating cabinet 1 forms closed loop pipeline after being communicated with by heat-resisting pipeline 5 orders, and described valve 4 is communicated with the air inlet 111 of hot air reflux heating cabinet 1 by heat-resisting pipeline 5, described thermal circulation fan 3 is communicated with the air outlet 112 of hot air reflux heating cabinet 1 by heat-resisting pipeline 5.
And in the present embodiment, described multiple tube heater also comprises that a heating emergency bypass (certainly, described branch road can be provided with many), on described heating emergency bypass, be provided with heating source 2 and thermal circulation fan 3, wherein, the heating emergency bypass of described heating source 2 ends is communicated with described valve 4, and the heating emergency bypass of thermal circulation fan end 3 is communicated with the air outlet 112 of hot air reflux heating cabinet 1.In the present embodiment, described valve 4 is ball-type three-way valve, and it also can be designed to the changeable valve of other types according to actual needs certainly.And the air inlet 111 of described hot air reflux heating cabinet 1, in the heat preservation zone E of air outlet 112 and hot air reflux heating cabinet 1, be provided with temperature sensing device, in described heating source 2, be provided with temperature sense detector, described temperature sensing device and temperature sense detector are all communicated with control system, the information that described control system transmits by temperature sensing device and temperature sense detector is to hot air reflux heating cabinet, heating source is controlled, as passed through air inlet 111, the temperature signal of the temperature sensing device transmission in air outlet 112 and heat preservation zone E, automatically regulate VFC by control system, thereby reach the effect of controlling temperature.And temperature sense detector in heating source 2, it is a kind of thermistor, in the time that temperature sense monitor monitors the temperature drift of heating source 2, automatically cut off the power switch of heating source 2, and after the wind of carrying by thermal circulation fan 3 cooling, reopen the power switch of heating source 2, make it normal work.As heating source 2 excess Temperatures, simultaneously the temperature sensing device of the air inlet 111 of hot air reflux heating cabinet 1, air outlet 122, heat preservation zone E monitors temperature when all on the low side, automatically switches to heating emergency bypass.To guarantee the continuous production of production line.
And the switching mode of described heating emergency bypass and heating main line is: for the two-way multiple tube heater described in present embodiment, suppose that heating main line is the first branch road, heating emergency bypass is the second branch road, in the time of the first branch road work, the hot blast producing by the heating source 2 on the first branch road blows the ball of valve to the air outlet of the second branch road.In the time of the second branch road work, the wind producing by the heating source 2 on the second branch road blows ball to the air outlet of the first branch road, has realized the switching of the first branch road and the second branch road, has guaranteed the continuous production of production line.
The specific works process of described multiple tube heater is: the hot blast of heating source 2 outputs enters into the air intake district C of hot air reflux heating cabinet 1 by heat-resisting pipeline 5 from hot air reflux heating cabinet 1 air inlet 111, owing to being provided with wind loop 123 between the thermal treatment zone D of hot air reflux heating cabinet 1 and heat preservation zone E, therefore hot blast enters into the D of the thermal treatment zone from air intake district C again, because wind loop 123 has limited the distinguished and admirable flow velocity to heat preservation zone E, confluxed at thermal treatment zone D by the hot blast under shelves, cause the temperature of wind sharply to promote, thereby reach the compound front needed temperature of multiple tube.Then the hot blast that flows to heat preservation zone E is protected in heat preservation zone E formation temperature; finally; flow to recirculating zone F and enter the air outlet B of hot air reflux heating cabinet 1 by the ventilating opening of heat preservation zone E; flow to thermal circulation fan 3 by heat-resisting pipeline 5 again; and then enter into heating source 2; thereby formation heat cycles, has effectively utilized hot blast.
And in concrete implementation process, in the time of excess Temperature in air intake district C, do accelerated motion and regulate the temperature control of air intake district C by thermal circulation fan 3; In the time that the temperature in air intake district C is too low, do retarded motion in the temperature control that regulates air intake district C by thermal circulation fan 3; In the time that the temperature in the D of heat preservation zone is on the low side, add the high-power temperature regulating in the D of heat preservation zone by heating source 2; In the time of temperature drift in the D of heat preservation zone, reduce power by heating source 2 and regulate the temperature in the D of heat preservation zone; And monitor time on the low side when the temperature in air intake district C and heat preservation zone D, automatically switch to other branch roads normally to move; simultaneously In the time that temperature sense monitor monitors the temperature drift of heating source 2, automatically cut off the power switch of heating source 2, and after the wind of carrying by thermal circulation fan 3 cooling, reopen the power switch of heating source 2, make it normal work.
The utility model utilizes the hot blast that heating source 2 produces to be transported in hot air reflux heating cabinet 1 by heat-resisting pipeline 5, form hot blast back pressure heated air stream at hot air reflux heating cabinet 1 thermal treatment zone C, make thermal treatment zone C temperature steep temperature rise reach the required temperature of interior tube-surface plastics of fusing multiple tube, and hot blast in hot air reflux heating cabinet 1 is finally extracted out by thermal circulation fan 3 and is transported in heating source 1, form heat cycles, due to the air inlet 111 at hot air reflux heating cabinet 1, in air outlet 112 and heat preservation zone E, be provided with temperature sensing device, therefore the utility model also has by automatic adjusting and controls the thermal treatment zone D in hot air reflux heating cabinet 1, the advantage of the temperature of heat preservation zone E.In addition, multiple tube heater described in the utility model can be provided with many branch roads, when wherein also not causing production Halfway Stopping because of compound pipeline complex pipeline heater fault after a fault.In sum, the compound pipeline complex pipeline heater in the utility model utilizes wind energy circulation, has reduced energy consumption, and has realized the continuous production after heater fault by many branch roads are set.
The utility model is illustrated and should be appreciated that above-described embodiment does not limit the utility model in any form according to above-described embodiment, and all employings are equal to replaces or the technical scheme that obtains of equivalent transformation mode, within all dropping on protection domain of the present utility model.
Claims (9)
1. a hot air reflux heating cabinet, its entirety is an annular housing, in the outside wall surface of annular housing, be provided with air inlet and air outlet, Er Qi center is a through hole for multiple tube turnover, it is characterized in that, in described annular housing, be formed with respectively windshield by import to outlet, air intake cover and stay-warm case, described windshield, air intake cover and stay-warm case order are communicated with, and form air vent in junction, wherein, described windshield, the common tapering type die cavity formation air intake district that forms of air intake cover and annular housing, described air intake cover inside forms the thermal treatment zone for gradually opening tapering type die cavity, in addition, the inside of described stay-warm case is that involute die cavity forms heat preservation zone, between the outside of stay-warm case and annular housing, form recirculating zone, described air intake district, the thermal treatment zone, heat preservation zone and recirculating zone form the glide path of hot blast, and described air intake district is communicated with described air inlet, described recirculating zone is communicated with described air outlet.
2. a kind of hot air reflux heating cabinet according to claim 1, is characterized in that, described air intake district forms hot blast cutter, and described hot blast cutter is looping pit or grid hole to the heating gate of multiple tube.
3. a kind of hot air reflux heating cabinet according to claim 1, it is characterized in that, the outside of described annular housing is also provided with outer cover, between described outer cover and annular housing, be also provided with heat-barrier material, and the entrance point of described annular housing and the port of export are provided with heat shield, between described heat shield and annular housing, be also provided with insulating inner lining, and the heat shield of described entrance point is provided with the first seal joint in the contact position of entrance point and approaching and multiple tube.
4. a kind of hot air reflux heating cabinet according to claim 1, it is characterized in that, air intake district in described annular housing is provided with air inlet sealing ring at entrance point, and described windshield is provided with the second seal joint in the contact position of entrance point and approaching and multiple tube.
5. a kind of hot air reflux heating cabinet according to claim 1, is characterized in that, described air intake cover and the link of stay-warm case are also provided with dismountable wind loop and back pressure ring, and described wind loop is arranged on the top of back pressure ring.
6. a multiple tube hot air reflux heater, it is characterized in that, comprise heating source, thermal circulation fan, hot air reflux heating cabinet and valve, described valve, heating source, thermal circulation fan and hot air reflux heating cabinet forms closed loop pipeline after being communicated with by heat-resisting pipeline order, and described valve is communicated with the air inlet of hot air reflux heating cabinet by heat-resisting pipeline, described thermal circulation fan is communicated with the air outlet of hot air reflux heating cabinet by heat-resisting pipeline.
7. a kind of multiple tube hot air reflux heater according to claim 6, it is characterized in that, one heating emergency bypass is also at least set, on described heating emergency bypass, be provided with heating source and thermal circulation fan, wherein, the heating emergency bypass of described heating source is communicated with described valve, and the heating emergency bypass of thermal circulation fan end is communicated with the air outlet of hot air reflux heating cabinet.
8. a kind of multiple tube hot air reflux heater according to claim 6, is characterized in that, described valve is ball-type three-way valve.
9. a kind of multiple tube hot air reflux heater according to claim 6, it is characterized in that, in the heat preservation zone of air inlet, air outlet and the hot air reflux heating cabinet of described hot air reflux heating cabinet, be provided with temperature sensing device, in described heating source, be provided with temperature sense detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320885897.1U CN203665941U (en) | 2013-12-31 | 2013-12-31 | Hot air reflowing heating box and formed composite tube hot air reflowing heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320885897.1U CN203665941U (en) | 2013-12-31 | 2013-12-31 | Hot air reflowing heating box and formed composite tube hot air reflowing heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203665941U true CN203665941U (en) | 2014-06-25 |
Family
ID=50962273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320885897.1U Withdrawn - After Issue CN203665941U (en) | 2013-12-31 | 2013-12-31 | Hot air reflowing heating box and formed composite tube hot air reflowing heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203665941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753810A (en) * | 2013-12-31 | 2014-04-30 | 陆宇航 | Hot air reflowing heating box and composite pipe hot air reflowing heating device composed of hot air reflowing heating box |
-
2013
- 2013-12-31 CN CN201320885897.1U patent/CN203665941U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753810A (en) * | 2013-12-31 | 2014-04-30 | 陆宇航 | Hot air reflowing heating box and composite pipe hot air reflowing heating device composed of hot air reflowing heating box |
| CN103753810B (en) * | 2013-12-31 | 2015-12-16 | 陆宇航 | The multiple tube hot air reflux heater of a kind of hot air reflux heating cabinet and formation thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202066327U (en) | Multi-zone control hot air circulation drying oven | |
| CN103085247A (en) | Steam heating type fast heat-circulation injection mould | |
| CN109338895A (en) | Mass concrete Intelligent Hybrid cooling system | |
| CN103422592A (en) | Energy-saving glass curtain wall | |
| CN203665941U (en) | Hot air reflowing heating box and formed composite tube hot air reflowing heating device | |
| CN103335522B (en) | Drying grate blasting drying period hot-air system | |
| CN103991151B (en) | A kind of rate of heat addition is adjustable, the die device of temperature-controllable and control method thereof | |
| CN103753810B (en) | The multiple tube hot air reflux heater of a kind of hot air reflux heating cabinet and formation thereof | |
| CN104633766A (en) | Regulation method and device for reducing return water temperature of heating system | |
| CN204141697U (en) | The heating plant of a kind of temperature controller and boiler coordinated signals | |
| CN207002576U (en) | A kind of glass tempering cooling system | |
| CN202866061U (en) | Energy-saving glass curtain wall | |
| CN204752521U (en) | Glass bottle annealing kiln cooling economizer | |
| CN204285719U (en) | A kind of Novel steam equipment room ventilation system | |
| CN205316552U (en) | Family is with gaseous vortex effect refrigeration heating system of type | |
| CN204757701U (en) | Energy -conserving kiln of waste heat utilization and balanced rapid cooling amount of wind | |
| CN204534817U (en) | A kind of regulation device reducing heating system return water temperature | |
| CN102357945A (en) | Molding mold for glass fiber reinforced plastic grate | |
| CN210532862U (en) | Internal circulation high-efficiency energy-saving oven | |
| CN209415904U (en) | A kind of intelligent baking room using production line boiler afterheat heat supply | |
| CN203454767U (en) | Forced air drying section hot air system of chain gate | |
| CN202304381U (en) | High-temperature air burning device for roller kiln | |
| CN209341696U (en) | A kind of electrical heat tracing device | |
| CN102305536B (en) | High-temperature air burning technology for roller kiln | |
| CN203190491U (en) | Heating system formed by using temperature-rise heat energy of bulb through-flow water turbine generator set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |