CN209042757U - A kind of smoke discharging device for heat-exchanging furnace - Google Patents
A kind of smoke discharging device for heat-exchanging furnace Download PDFInfo
- Publication number
- CN209042757U CN209042757U CN201821153071.5U CN201821153071U CN209042757U CN 209042757 U CN209042757 U CN 209042757U CN 201821153071 U CN201821153071 U CN 201821153071U CN 209042757 U CN209042757 U CN 209042757U
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- Prior art keywords
- heat
- nipple
- heat exchanger
- rainwater
- inner tube
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a kind of smoke discharging device for heat-exchanging furnace, comprising: flue gas emission connector, the flue gas emission connector includes nipple and the coupling that is set on the outside of the nipple, the first exhaust gases passes are formed in the nipple, the first rainwater diversion channel is formed between the coupling and the nipple, the outlet flue on the lower ending opening of the nipple and the heat exchanger housing is tightly connected；Smoke discharge pipe, the smoke discharge pipe includes inner tube and the outer tube that is set on the outside of said inner tube, the second exhaust gases passes are formed in said inner tube, the second rainwater diversion channel is formed between the outer tube and inner tube, the upper end opening of the lower ending opening of said inner tube and the nipple is tightly connected, and the upper end opening of the lower ending opening of the outer tube and the coupling is tightly connected.The utility model is provided with mutually isolated rainwater diversion channel and condensate return channel, so that rainwater be effectively prevent to enter in heat exchanger.
Description
Technical field
The utility model relates to field of heat exchange, especially a kind of smoke discharging device for heat-exchanging furnace.
Background technique
The groundwork process of heat-exchanging furnace is as follows: being directed into heat-exchanging chamber after mixing combustion gas and air using blower
Interior, air mixture is in heat exchange Indoor Combustion to generate high-temperature flue gas, and the heat transfer of high-temperature flue gas is in heat exchanger coil
The condensed water of flowing, the condensed water after being heated carry amount of heat and flow out heat-exchanging furnace.Meanwhile the indoor flue gas warp of heat exchange
Heat-exchanging furnace is discharged in smoke exhaust pipe.
Smoke exhaust pipe is normally at outdoor and inclination upwards, and therefore, rainy days, rainwater can be fallen into smoke exhaust pipe in large quantities, and
It is flowed into heat-exchanging chamber along smoke exhaust pipe, eventually leads to the indoor heat of heat exchange and be largely lost.
In addition, in the prior art, combustion gas and air are directly fed in heat-exchanging chamber through blower, therefore, it is impossible to mixed
The ratio for closing combustion gas and air in combustion gas is rationally controlled, it may be assumed that the concentration of air mixture cannot achieve adjusting.Air mixture
Excessive concentration cause energy waste, the concentration of air mixture is crossed, be difficult to ensure heat exchange effect,
Utility model content
The utility model provides a kind of smoke discharging device for heat-exchanging furnace, is provided with mutually isolated rainwater
Flow-guiding channel and condensate return channel, can prevent rainwater from entering in heat exchanger.The tool of the smoke discharging device
Body technique scheme is as follows:
A kind of smoke discharging device for heat-exchanging furnace, the heat-exchanging furnace is internally provided with heat exchanger, described
Heat-exchanging chamber is formed in heat exchanger, the heat exchanger includes heat exchanger housing and is formed in heat exchanger housing
Heat-exchanging chamber, the heat exchanger housing are equipped with the outlet flue being connected to the heat-exchanging chamber.The smoke discharging device packet
Include: flue gas emission connector, the flue gas emission connector include the nipple of tubulose and are set in external on the outside of the nipple
Head is formed with the first exhaust gases passes in the nipple, the first rainwater is formed between the coupling and the nipple and is led
Outlet flue on circulation road, the lower ending opening of the nipple and the heat exchanger housing is tightly connected；Smoke discharge pipe, institute
The outer tube that smoke discharge pipe includes inner tube and is set on the outside of said inner tube is stated, the second exhaust gases passes are formed in said inner tube,
The second rainwater diversion channel, the upper end of the lower ending opening of said inner tube and the nipple are formed between the outer tube and inner tube
Opening is tightly connected, and the upper end opening of the lower ending opening of the outer tube and the coupling is tightly connected；Condensate return pipe, institute
The one end for stating condensate return pipe is connected to the bottom of the heat exchanger and is connected to the heat-exchanging chamber；Rainwater return pipe,
One end of the rainwater return pipe is connected to first rainwater diversion channel, and the other end of the rainwater return pipe extends outwardly
The heat-exchanging furnace out.
In a specific embodiment, further include: the inside of the heat-exchanging furnace is set and is located at the heat exchange
Water-sealed container below device, the top of the water-sealed container are equipped with condensing water inlet, set on the side wall of the condensed water collecting box
There is condensation-water drain；Drip pipe；The other end of the condensate return pipe and the condensing water inlet of the water-sealed container
Connection, one end of the drip pipe are connect with the condensation-water drain of the water-sealed container, the drip pipe
The other end extends outward the heat-exchanging furnace.
In a specific embodiment, in the inside retraction to the outer tube of the upper end opening of said inner tube.
Compared with prior art, it is logical to be provided with mutually isolated rainwater diversion channel and condensate return for the utility model
Road, so that rainwater be effectively prevent to enter in heat exchanger.
Detailed description of the invention
It, below will be to required practical in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be evident that the drawings in the following description are merely some embodiments of the present invention, it is right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
His attached drawing.Wherein,
Fig. 1 is the external structure schematic diagram that the small-power that embodiment three provides premixes water heater entirely；
Fig. 2 is external structure schematic diagram of the air mixture feeding mechanism that provides of embodiment one under a visual angle；
Fig. 3 is external structure schematic diagram of the air mixture feeding mechanism that provides of embodiment one under another visual angle；
The external structure signal of air filter included by the air mixture feeding mechanism that Fig. 4 provides for embodiment one
Figure；
Fig. 5 is structural schematic diagram of the smoke discharging device that provides of embodiment two under a visual angle；
Fig. 6 is cross-sectional view of the smoke discharging device that provides of embodiment two under another visual angle.
Specific embodiment
For make the utility model above objects, features, and advantages, can be more obvious and easy to understand, with reference to the accompanying drawing and tool
Body embodiment is described in further detail the utility model.
Embodiment one:
Present embodiments provide a kind of air mixture feeding mechanism for heat-exchanging furnace, the air mixture feeding mechanism
It is arranged in intracavitary in heat-exchanging furnace.
As shown in Figure 2 to Figure 3, the air mixture feeding mechanism includes blower 5 and air mixture air supply channel 6, described
Blower 5 includes blower housing and the mixed air vessel being formed in blower housing, and the blower housing is equipped with air inlet, combustion
Gas air inlet and air mixture gas outlet.
After blower 5 starts, negative pressure is generated in the mixed air vessel, to drive the air in the inner cavity of the heat-exchanging furnace
It flows into the mixed air vessel.It can be controlled and be entered in the mixed air vessel by the negative pressure value in adjusting adjusting blower 5
Air flow.
The gas inlet is connected to through a gas inlet pipe 2 with external fuel gas supply equipment, the gas inlet pipe 2
It is equipped with gas flow control valve 3, can be controlled and be entered in the mixed air vessel by the adjusting gas flow control valve 3
Combustion gas flow.
As it can be seen that water heater provided in this embodiment, can control through the blower 5 and the gas flow control valve 3
The indoor air mass flow of the gaseous mixture and gas flow are entered to, to obtain the air mixture with predetermined concentration.
One end of the air mixture air supply channel 6 is connect with the air mixture gas outlet, the air mixture gas supply
Burner connection in the other end and heat exchanger in channel 6.Air and combustion gas form tool after mixing in the mixed air vessel
There is the air mixture of predetermined concentration, then supplied to the burner and is ignited through the air mixture air supply channel 6, thus
So that the indoor air of heat exchange is heated.
As a preferred embodiment, in the present embodiment, air mistake is connected at the air inlet of the blower housing
Filter 4.As shown in figure 4, the air filter 4 includes both ends open, L shape shape air filter housing, the sky
Thicker filtering silencing cavity 41 and thinner connecting cavity 42, the connecting cavity 42 and the filtering are formed in air filter shell
About 41 silencing cavity is connected to.
The top of the filtering silencing cavity 41 is equipped with cricoid silencing cotton 44, and the middle part of the silencing cotton 44, which is formed with, to be passed through
The stomata of the silencing cotton 44 is worn, the lower part of the filter silencing cavity 41 is equipped with filtration core 45.The end of the connecting cavity 42 is set
There is connecting screw hole 47, the air filter 4 can be connected on the shell of the blower 5 through the connecting screw hole 47.
In order to which the silencing cotton 44 and the pressing of the filtration core 45 are fixed in the filtering silencing cavity 41, the filtering
The junction of silencing cavity 41 and the connecting cavity 42 is equipped with bracket 43, and the upper end of the silencing cotton 44 offsets with the bracket 43
It touches, engaging has the pressing plate 46 of hollow out, the lower end of the filtration core 45 and the pressure at the lower ending opening of the filtering silencing cavity 41
Plate 46 is inconsistent.When needing replacing the silencing cotton 44 and the filtration core 45, it is only necessary to unload the pressing plate 46.
Air have to pass through just can enter after the filtering silencing cavity 41 and connecting cavity 42 of air filter 4 in mixed air vessel into
Row mixing, the filtration core 45 filtered in silencing cavity 41 can remove the dust in air, to guarantee heat exchanger
Service performance, and extend the service life of heat exchanger.Meanwhile the silencing cotton 44 in the filtering silencing cavity 41 can then be eliminated
The noise generated in heat-exchanging furnace.
Embodiment two,
A kind of smoke discharging device for heat-exchanging furnace is present embodiments provided, is used to give off in heat-exchanging furnace
Flue gas in heat exchanger, the heat exchanger include shell and the heat-exchanging chamber that is formed in the shell, on the shell
It is formed with flue gas emission mouth.
As shown in Figure 5 to Figure 6, the smoke discharging device includes flue gas emission connector 11, smoke discharge pipe 12, condensed water
The components such as return pipe 13, water-sealed container 14, drip pipe 15 and rainwater return pipe 16.Wherein:
The flue gas emission connector 11 includes the nipple 111 of tubulose and the tubulose for being set in 111 outside of nipple
Coupling 112, be formed with the first exhaust gases passes in the nipple 111, the coupling 112 and the nipple 111 it
Between be formed with the first rainwater diversion channel.Smoke on the lower ending opening of the nipple 111 and the shell of the heat exchanger
Mouth is tightly connected, so that first exhaust gases passes and heat-exchanging chamber perforation connect.
The smoke discharge pipe 12 includes inner tube 121 and the outer tube 122 for being set in 121 outside of said inner tube.Said inner tube
It is formed with the second exhaust gases passes in 121, the second rainwater diversion channel is formed between the outer tube 122 and inner tube 121.Wherein:
The upper end opening of the lower ending opening of said inner tube 121 and the nipple 111 is tightly connected, so that second flue gas is logical
Road and first exhaust gases passes perforation connect.The lower ending opening of the outer tube 122 and the upper end opening of the coupling 112 are close
Envelope connection is so that second rainwater diversion channel and the perforation of first rainwater diversion channel connect.
The indoor flue gas of heat exchange is successively discharged through first exhaust gases passes, the second exhaust gases passes.High-temperature flue gas passes through
When the second exhaust gases passes, vapor therein is liquefied to the cold as condensed water, inner wall of the condensed water through said inner tube 121, it is described in
The inner wall of connector 111 is back in the heat-exchanging chamber.
Rainy days, external rainwater enter the inner wall in second rainwater diversion channel then along the outer tube 122
It flows downward in first rainwater diversion channel.Rainwater enters in said inner tube 121 in order to prevent, in the present embodiment, institute
It states in the inside retraction of upper open end to the outer tube 122 of inner tube 121, it may be assumed that the outer tube 122 can be to said inner tube 121
Formed rain-proof protection, finally prevent can rainwater enter in heat-exchanging chamber.
The lower section of the heat exchanger 1 is arranged in the water-sealed container 14, and the top of the water-sealed container 14 is equipped with condensation
The side wall of water inlet, the water-sealed container 14 is equipped with condensation-water drain, and one end of the condensate return pipe 13 is connected to institute
It states the bottom of heat exchanger 1 and is connected to the heat-exchanging chamber, the other end of the condensate return pipe 13 is connected to the water
Seal the condensing water inlet of container 14, the condensation-water drain company of one end of the drip pipe 15 and the water-sealed container 14
Logical, the other end of the drip pipe 15 is formed with condensate drain outlet.
The indoor condensed water of heat exchange enters in the water-sealed container 14 through the condensate return pipe 13, then through institute
The condensation-water drain on 14 side wall of water-sealed container is stated to enter in the drip pipe 15 and finally through condensate drain outlet
It is expelled to the outside of heat-exchanging furnace.As it can be seen that the water-sealed container 14 can prevent the indoor flue gas of heat exchange to be discharged with condensed water
To pollute ambient enviroment.
One end of the rainwater return pipe 16 is connected to first rainwater diversion channel, the rainwater return pipe 16 it is another
One end is formed with rainwater discharge outlet.External rainwater flows into the first rainwater diversion channel through second rainwater diversion channel
It is interior, and the outside of heat-exchanging furnace is finally expelled to through the rainwater return pipe 16.
Smoke discharging device provided in this embodiment for heat-exchanging furnace is provided with mutually isolated rainwater diversion channel
With condensate return channel, one side can effectively prevent rainwater to enter in heat exchanger, and another aspect can prevent heat
Flue gas in exchanger is discharged with condensed water.
Embodiment three,
As shown in Figure 1, present embodiments provide a kind of small-power premixes water heater entirely comprising shell, heat exchanger 1,
The components such as air mixture feeding mechanism, water inlet pipe 7, water pump 8, outlet pipe 9, smoke discharging device, in which:
Inner cavity is formed in the shell.
The heat exchanger 1 is set in the inner cavity, and the heat exchanger 1 includes heat exchanger housing and is formed in outer
Heat-exchanging chamber in shell, the heat exchanger housing is equipped with the air inlet and outlet flue being connected to the heat-exchanging chamber, described
Burner and heat exchanger coil are equipped in heat-exchanging chamber.
The air mixture feeding mechanism is set in the inner cavity.The air mixture feeding mechanism in the present embodiment
Structure and the course of work it is identical with the air mixture feeding mechanism in embodiment one, therefore please continue to refer to Fig. 2 to Fig. 4
It is shown.The air mixture feeding mechanism includes blower 5 and air mixture air supply channel 6, the blower 5 include blower housing and
The mixed air vessel being formed in blower housing, the blower housing be equipped be connected to the mixed air vessel air inlet,
Gas inlet and air mixture gas outlet.
After blower 5 starts, negative pressure is generated in the mixed air vessel, to drive the air in the inner cavity of the heat-exchanging furnace
It flows into the mixed air vessel.It can be controlled and be entered in the mixed air vessel by the negative pressure value in adjusting adjusting blower 5
Air flow.The gas inlet is connected to through a gas inlet pipe 2 with external fuel gas supply equipment, the combustion gas into
Tracheae 2 is equipped with gas flow control valve 3, can be controlled by the adjusting gas flow control valve 3 and enter to the mixing
The flow of the indoor combustion gas of gas.
The indoor sky of the gaseous mixture is entered to as it can be seen that can control through the blower 5 and the gas flow control valve 3
Throughput and gas flow, to obtain the air mixture with predetermined concentration.
One end of the air mixture air supply channel 6 is connect with the air mixture gas outlet, the air mixture gas supply
The other end in channel 6 is connect with the burner in the heat exchanger 1.Air and combustion gas are abundant in the mixed air vessel
It is mixed to form after the air mixture with predetermined concentration through the air mixture air supply channel 6 supplied to the burner and by point
Combustion, so that the indoor temperature of heat exchange rises.
The water inlet pipe 7, the water pump 8 and the outlet pipe 9 are arranged in the inner cavity, in which: the water inlet pipe 7
One end connect with the water outlet of the water pump 8, the heat in the other end of the water inlet pipe 7 and the heat exchanger 1 is handed over
One end of removable disk pipe connects, and the water inlet of the water pump 8 is connect with external water supply device.One end of the outlet pipe 9 and institute
The other end connection of heat exchanger coil is stated, the other end of the outlet pipe 9 extends the inner cavity of the shell.In the present embodiment,
The outlet pipe 9 is equipped with outlet valve 10.
Condensed water in external water supply device is pumped into the heat exchanger coil through the water inlet pipe 7 by the water pump 8
And drive condensed water to flow in the heat exchanger coil to which heat exchange occur with the indoor high temperature air of heat exchange, it is handed over through heat
Condensed water after changing carries amount of heat and flows out the water heater through the outlet pipe 9.
The structure and the course of work of the smoke discharging device in the present embodiment and the flue gas emission in embodiment two fill
Set it is identical, therefore please continue to refer to shown in Fig. 5 to Fig. 6.The smoke discharging device in the present embodiment includes flue gas row
Put connector 11, smoke discharge pipe 12, condensate return pipe 13, water-sealed container 14, drip pipe 15 and rainwater return pipe 16
Equal components.Wherein:
The flue gas emission connector 11 includes the nipple 111 of tubulose and the tubulose for being set in 111 outside of nipple
Coupling 112, be formed with the first exhaust gases passes in the nipple 111, the coupling 112 and the nipple 111 it
Between be formed with the first rainwater diversion channel.Smoke on the lower ending opening of the nipple 111 and the shell of the heat exchanger
Mouth is tightly connected, so that first exhaust gases passes and heat-exchanging chamber perforation connect.
The smoke discharge pipe 12 includes inner tube 121 and the outer tube 122 for being set in 121 outside of said inner tube.Said inner tube
It is formed with the second exhaust gases passes in 121, the second rainwater diversion channel is formed between the outer tube 122 and inner tube 121.Wherein:
The upper end opening of the lower ending opening of said inner tube 121 and the nipple 111 is tightly connected, so that second flue gas is logical
Road and first exhaust gases passes perforation connect.The lower ending opening of the outer tube 122 and the upper end opening of the coupling 112 are close
Envelope connection is so that second rainwater diversion channel and the perforation of first rainwater diversion channel connect.
The indoor flue gas of heat exchange is successively discharged through first exhaust gases passes, the second exhaust gases passes.High-temperature flue gas passes through
When the second exhaust gases passes, vapor therein is liquefied to the cold as condensed water, inner wall of the condensed water through said inner tube 121, it is described in
The inner wall of connector 111 is back in the heat-exchanging chamber.
Rainy days, external rainwater enter the inner wall in second rainwater diversion channel then along the outer tube 122
It flows downward in first rainwater diversion channel.Rainwater enters in said inner tube 121 in order to prevent, in the present embodiment, institute
It states in the inside retraction in end to the outer tube 122 of inner tube 121, it may be assumed that the outer tube 122 can form said inner tube 121 anti-
Rain protection, finally prevent can rainwater enter in heat-exchanging chamber.
The lower section of the heat exchanger 1 is arranged in the water-sealed container 14, and the top of the water-sealed container 14 is equipped with condensation
The side wall of water inlet, the water-sealed container 14 is equipped with condensation-water drain, and one end of the condensate return pipe 13 is connected to institute
It states the bottom of heat exchanger 1 and is connected to the heat-exchanging chamber, the other end of the condensate return pipe 13 is connected to the water
Seal the condensing water inlet of container 14, the condensation-water drain company of one end of the drip pipe 15 and the water-sealed container 14
Logical, the other end of the drip pipe 15 is formed with the condensate drain outlet for extending the heat-exchanging furnace.
The indoor condensed water of heat exchange enters in the water-sealed container 14 through the condensate return pipe 13, then through institute
The condensation-water drain on 14 side wall of water-sealed container is stated to enter in the drip pipe 15 and finally through condensate drain outlet
It is expelled to the outside of heat-exchanging furnace.As it can be seen that the water-sealed container 14 can prevent the indoor flue gas of heat exchange to be discharged with condensed water
To pollute ambient enviroment.
One end of the rainwater return pipe 16 is connected to first rainwater diversion channel, the rainwater return pipe 16 it is another
One end is formed with the rainwater discharge outlet for extending the heat-exchanging furnace.External rainwater is flowed into through second rainwater diversion channel
To the first rainwater diversion channel, and the outside of heat-exchanging furnace is finally expelled to through the rainwater return pipe 16.
The description with certain particularity detailed enough has been carried out to the utility model above.It is common in fields
It is to be understood by the skilled artisans that the description in embodiment is only exemplary, without departing from the utility model true spirit and
All changes are made under the premise of range all should belong to the protection scope of the utility model.The utility model is claimed
Range is to be defined by described claims, rather than limited by the foregoing description in embodiment.
Claims (3)
1. a kind of smoke discharging device for heat-exchanging furnace, the heat-exchanging furnace is internally provided with heat exchanger, the heat
It is formed with heat-exchanging chamber in exchanger, the heat exchanger includes heat exchanger housing and the heat that is formed in heat exchanger housing
Switch room, the heat exchanger housing are equipped with the outlet flue being connected to the heat-exchanging chamber, which is characterized in that the flue gas row
Putting device includes:
Flue gas emission connector, the flue gas emission connector include the nipple of tubulose and are set in external on the outside of the nipple
Head is formed with the first exhaust gases passes in the nipple, the first rainwater is formed between the coupling and the nipple and is led
Outlet flue on circulation road, the lower ending opening of the nipple and the heat exchanger housing is tightly connected；
Smoke discharge pipe, the smoke discharge pipe include inner tube and the outer tube that is set on the outside of said inner tube, shape in said inner tube
At there are the second exhaust gases passes, the second rainwater diversion channel, the lower ending opening of said inner tube are formed between the outer tube and inner tube
It is tightly connected with the upper end opening of the nipple, the upper end opening of the lower ending opening of the outer tube and the coupling, which seals, to be connected
It connects；
Condensate return pipe, one end of the condensate return pipe be connected to the bottom of the heat exchanger and with the heat exchange
Room connection；
One end of rainwater return pipe, the rainwater return pipe is connected to first rainwater diversion channel, the rainwater return pipe
The other end extend outward the heat-exchanging furnace.
2. smoke discharging device as described in claim 1, which is characterized in that its further include:
The water-sealed container that the inside of the heat-exchanging furnace is set and is located at below the heat exchanger, the top of the water-sealed container
Portion is equipped with condensing water inlet, and the side wall of the condensed water collecting box is equipped with condensation-water drain；
Drip pipe；
The other end of the condensate return pipe is connect with the condensing water inlet of the water-sealed container, the drip pipe
One end is connect with the condensation-water drain of the water-sealed container, and the other end of the drip pipe extends outward the heat and hands over
Change furnace.
3. smoke discharging device as described in claim 1, which is characterized in that the inside retraction of the upper end opening of said inner tube to institute
It states in outer tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821153071.5U CN209042757U (en) | 2018-07-19 | 2018-07-19 | A kind of smoke discharging device for heat-exchanging furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821153071.5U CN209042757U (en) | 2018-07-19 | 2018-07-19 | A kind of smoke discharging device for heat-exchanging furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209042757U true CN209042757U (en) | 2019-06-28 |
Family
ID=67029789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821153071.5U Expired - Fee Related CN209042757U (en) | 2018-07-19 | 2018-07-19 | A kind of smoke discharging device for heat-exchanging furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209042757U (en) |
-
2018
- 2018-07-19 CN CN201821153071.5U patent/CN209042757U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210105 Address after: No.1928, lower section of Shuangnan Avenue, Pengzhen, Shuangliu District, Chengdu, Sichuan 610200 Patentee after: CHENGDU SHUANGLIU JILI THERMAL TECHNOLOGY Inc. Address before: No.86 Furong North Road, Hudai Industrial Park, Binhu District, Wuxi City, Jiangsu Province, 214100 Patentee before: JITON NEW HEAT ENERGY EQUIPMENT (WUXI) Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |