CN209068543U - A kind of air mixture feeding mechanism for heat-exchanging furnace - Google Patents
A kind of air mixture feeding mechanism for heat-exchanging furnace Download PDFInfo
- Publication number
- CN209068543U CN209068543U CN201821152789.2U CN201821152789U CN209068543U CN 209068543 U CN209068543 U CN 209068543U CN 201821152789 U CN201821152789 U CN 201821152789U CN 209068543 U CN209068543 U CN 209068543U
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- China
- Prior art keywords
- mixed gas
- gas supply
- air
- heat exchange
- gas
- 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.)
- Expired - Fee Related
Links
- 239000000203 mixture Substances 0.000 title abstract description 21
- 230000030279 gene silencing Effects 0.000 claims description 35
- 238000001914 filtration Methods 0.000 claims description 22
- 229920000742 Cotton Polymers 0.000 claims description 15
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 239000003595 mist Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 96
- 239000002737 fuel gas Substances 0.000 abstract description 5
- 239000000567 combustion gas Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 88
- 239000000779 smoke Substances 0.000 description 29
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 21
- 239000003546 flue gas Substances 0.000 description 21
- 238000007599 discharging Methods 0.000 description 7
- 210000002445 nipple Anatomy 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a kind of air mixture feeding mechanism for heat-exchanging furnace, the heat-exchanging furnace includes shell and the inner cavity that is formed in the shell, it is described it is interior it is intracavitary be provided with heat exchanger, the air mixture feeding mechanism is set to the outside in the inner cavity and being located at the heat exchanger.The air mixture feeding mechanism includes: blower, the blower includes blower housing and the mixed air vessel that is formed in blower housing, the blower housing is equipped with air inlet, gas inlet and air mixture gas outlet, wherein: the gas inlet is connected to through gas inlet pipe with fuel gas supply equipment, and the gas inlet pipe is equipped with gas flow control valve.Air mixture air supply channel, one end of the air mixture air supply channel are connect with the air mixture gas outlet, and the other end is connect with the heat exchanger.The utility model can control the flow for entering to the indoor combustion gas of heat exchange and air thus the air mixture for obtaining predetermined concentration.
Description
Technical Field
The utility model belongs to the technical field of the heat transfer and specifically relates to a mix gas feeding mechanism for heat exchange furnace.
Background
The basic working process of the heat exchange furnace is as follows: utilize the fan with leading-in to the heat exchange indoor after gas and the air mix, thereby mix the gas and produce the high temperature flue gas in the indoor burning of heat exchange, the heat transfer of high temperature flue gas is for the comdenstion water that flows in the heat exchange coil, and the comdenstion water after being heated carries a large amount of heats and flows out the heat exchange stove. Meanwhile, the flue gas in the heat exchange chamber is discharged out of the heat exchange furnace through a smoke discharge pipe.
The smoke exhaust pipe is generally located outdoors and is inclined upwards, so that rainwater can fall into the smoke exhaust pipe in a large amount in rainy days and flow into the heat exchange chamber along the smoke exhaust pipe, and finally a large amount of heat in the heat exchange chamber is lost.
In addition, among the prior art, gas and air are direct to be inducted into to the heat exchange indoor through the fan, consequently, can't carry out reasonable control to the proportion of gas and air in the mixed gas, promptly: the concentration of the mixed gas cannot be adjusted. The energy waste is caused by the over-high concentration of the mixed gas, the heat exchange effect is difficult to ensure by the over-high concentration of the mixed gas,
SUMMERY OF THE UTILITY MODEL
The utility model provides a mix gas feeding mechanism for heat exchange furnace can control the flow that gets into to the gas in the heat exchange chamber and air to obtain the mixed gas that has predetermined concentration. The specific technical scheme of the mixed gas supply device is as follows:
a mixed gas supply device for a heat exchange furnace, the heat exchange furnace comprises a shell and an inner cavity formed in the shell, a heat exchanger is arranged in the inner cavity, and the mixed gas supply device is arranged in the inner cavity and is positioned outside the heat exchanger. The mixed gas supply device comprises: the fan, the fan includes the fan shell and forms the mist chamber in the fan shell, be equipped with air inlet, gas air inlet and mist gas outlet on the fan shell, wherein: the gas inlet is communicated with an external gas supply device through a gas inlet pipe, and a gas flow control valve is arranged on the gas inlet pipe; the gas mixing device comprises a mixed gas supply channel, wherein one end of the mixed gas supply channel is connected with a mixed gas outlet, and the other end of the mixed gas supply channel is connected with a heat exchanger.
In a specific embodiment, an air filter is connected to an air inlet of the blower housing.
In one specific embodiment, the air filter comprises an L-shaped air filter shell with two open ends, a thicker filtering and silencing cavity and a thinner connecting cavity are formed in the air filter shell, and the connecting cavity is communicated with the filtering and silencing cavity up and down; annular silencing cotton is arranged on the upper portion of the filtering silencing cavity in a penetrating mode, an air hole penetrating through the silencing cotton is formed in the middle of the silencing cotton, a filter element is arranged on the lower portion of the filtering silencing cavity in a penetrating mode, and a connecting screw hole is formed in the end portion of the connecting cavity.
In a specific embodiment, a support is arranged at the joint of the filtering and silencing cavity and the connecting cavity, the upper end of the silencing cotton is abutted against the support, a hollowed-out pressing plate is clamped at the opening at the lower end of the filtering and silencing cavity, and the lower end of the filter element is abutted against the pressing plate.
Compared with the prior art, the utility model discloses can control the flow that gets into to the gas in the heat exchange chamber and air to obtain the mixed gas that has predetermined concentration.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings which are needed in the embodiments and are practical will be briefly described below and will be obvious, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. Wherein,
FIG. 1 is a schematic view of an external structure of a low-power fully-premixed water heater according to a third embodiment;
fig. 2 is an external structural schematic view of a mixed gas supply device provided in the first embodiment from one view angle;
fig. 3 is an external structural schematic view of a mixed gas supply device provided in the first embodiment from another view;
fig. 4 is a schematic external structural view of an air filter included in a mixed gas supply device according to a first embodiment;
FIG. 5 is a schematic structural diagram of a fume extractor provided in the second embodiment from a single perspective;
fig. 6 is a sectional view of the smoke discharge device provided in the second embodiment from another view angle.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The first embodiment is as follows:
the present embodiment provides a mixed gas supply device for a heat exchange furnace, which is disposed in an inner cavity of the heat exchange furnace.
As shown in fig. 2 to 3, the mixed gas supply device includes a fan 5 and a mixed gas supply channel 6, the fan 5 includes a fan housing and a mixed gas chamber formed in the fan housing, and the fan housing is provided with an air inlet, a gas inlet and a mixed gas outlet.
After the fan 5 is started, negative pressure is generated in the mixed gas chamber, so that air in the inner cavity of the heat exchange furnace is driven to flow into the mixed gas chamber. The flow of air entering the air-fuel mixture chamber can be controlled by adjusting the negative pressure value in the adjusting fan 5.
The gas inlet communicates with the outside gas supply device through a gas intake pipe 2, be equipped with gas flow control valve 3 on the gas intake pipe 2, through adjusting gas flow control valve 3 can control the flow that gets into to the gas in the gas mixture room.
It can be seen that the water heater provided by the present embodiment can control the air flow and the gas flow entering the gas mixture chamber through the fan 5 and the gas flow control valve 3, so as to obtain the gas mixture with a predetermined concentration.
One end of the mixed gas supply channel 6 is connected with the mixed gas outlet, and the other end of the mixed gas supply channel 6 is connected with a burner in the heat exchanger. The air and the gas are mixed in the mixed gas chamber to form mixed gas with a predetermined concentration, and then supplied to the burner through the mixed gas supply passage 6 and ignited, so that the air in the heat exchange chamber is heated.
In the embodiment, an air filter 4 is connected to an air inlet of the blower housing. As shown in fig. 4, the air filter 4 includes an "L" shaped air filter housing with two open ends, a relatively thick sound-deadening filtering cavity 41 and a relatively thin connecting cavity 42 are formed in the air filter housing, and the connecting cavity 42 is vertically communicated with the sound-deadening filtering cavity 41.
Annular silencing cotton 44 penetrates through the upper part of the filtering silencing cavity 41, air holes penetrating through the silencing cotton 44 are formed in the middle of the silencing cotton 44, and a filter element 45 penetrates through the lower part of the filtering silencing cavity 41. The end of the connection cavity 42 is provided with a connection screw hole 47, and the air filter 4 can be connected to the housing of the fan 5 through the connection screw hole 47.
In order to press and fix the silencing cotton 44 and the filter element 45 into the filtering and silencing cavity 41, a support 43 is arranged at the joint of the filtering and silencing cavity 41 and the connecting cavity 42, the upper end of the silencing cotton 44 is abutted against the support 43, a hollowed-out pressing plate 46 is clamped at the opening at the lower end of the filtering and silencing cavity 41, and the lower end of the filter element 45 is abutted against the pressing plate 46. When the silencing cotton 44 and the filter element 45 need to be replaced, the pressing plate 46 only needs to be detached.
The air must pass through the filtering and silencing chamber 41 and the connecting chamber 42 of the air filter 4 before entering the air mixing chamber for mixing, and the filter core 45 in the filtering and silencing chamber 41 can remove dust in the air, thereby ensuring the service performance of the heat exchanger and prolonging the service life of the heat exchanger. Meanwhile, the silencing cotton 44 in the filtering silencing cavity 41 can eliminate the noise generated in the heat exchange furnace.
Example II,
The embodiment provides a smoke discharging device for a heat exchange furnace, which is used for discharging smoke in a heat exchanger in the heat exchange furnace, wherein the heat exchanger comprises a shell and a heat exchange chamber formed in the shell, and a smoke discharging port is formed in the shell.
As shown in fig. 5 to 6, the smoke discharging device includes a smoke discharging joint 11, a smoke discharging pipe 12, a condensed water return pipe 13, a water sealed container 14, a condensed water discharging pipe 15, a rainwater return pipe 16, and the like. Wherein:
the smoke discharge joint 11 comprises a tubular inner joint 111 and a tubular outer joint 112 sleeved outside the inner joint 111, a first smoke channel is formed in the inner joint 111, and a first rainwater flow guide channel is formed between the outer joint 112 and the inner joint 111. The lower end opening of the nipple 111 is connected with a smoke outlet on the shell of the heat exchanger in a sealing way, so that the first smoke channel is communicated with the heat exchange chamber.
The flue gas discharge pipe 12 comprises an inner pipe 121 and an outer pipe 122 sleeved outside the inner pipe 121. A second flue gas channel is formed in the inner pipe 121, and a second rainwater diversion channel is formed between the outer pipe 122 and the inner pipe 121. Wherein: the lower end opening of the inner pipe 121 is connected with the upper end opening of the nipple 111 in a sealing manner, so that the second flue gas channel is connected with the first flue gas channel in a penetrating manner. The lower end opening of the outer pipe 122 is hermetically connected with the upper end opening of the outer joint 112, so that the second rainwater flow guiding channel is communicated with the first rainwater flow guiding channel.
And the smoke in the heat exchange chamber is discharged through the first smoke channel and the second smoke channel in sequence. When the high-temperature flue gas passes through the second flue gas channel, the water vapor therein is liquefied into condensed water when meeting cold, and the condensed water flows back to the heat exchange chamber through the inner wall of the inner pipe 121 and the inner wall of the inner joint 111.
In rainy days, outside rainwater enters the second rainwater flow guide channel and then flows downwards along the inner wall of the outer pipe 122 to the first rainwater flow guide channel. In order to prevent rainwater from entering the inner tube 121, in this embodiment, the upper end opening end of the inner tube 121 is retracted into the outer tube 122, that is: the outer tube 122 can provide rain protection to the inner tube 121, eventually preventing rain water from entering the heat exchange chamber.
The water seal container 14 is arranged below the heat exchanger 1, a condensed water inlet is formed in the top of the water seal container 14, a condensed water outlet is formed in the side wall of the water seal container 14, one end of a condensed water return pipe 13 is connected to the bottom of the heat exchanger 1 and communicated with the heat exchange chamber, the other end of the condensed water return pipe 13 is connected to the condensed water inlet of the water seal container 14, one end of a condensed water discharge pipe 15 is communicated with the condensed water outlet of the water seal container 14, and a condensed water discharge port is formed in the other end of the condensed water discharge pipe 15.
The condensed water in the heat exchange chamber enters the water seal container 14 through the condensed water return pipe 13, then enters the condensed water discharge pipe 15 through a condensed water outlet on the side wall of the water seal container 14, and finally is discharged to the outside of the heat exchange furnace through a condensed water discharge port. It can be seen that the water sealed container 14 can prevent the smoke in the heat exchange chamber from being discharged with the condensed water to pollute the surrounding environment.
One end of the rainwater return pipe 16 is communicated with the first rainwater diversion channel, and the other end of the rainwater return pipe 16 is provided with a rainwater discharge port. The external rainwater flows into the first rainwater diversion channel through the second rainwater diversion channel and is finally discharged to the outside of the heat exchange furnace through the rainwater return pipe 16.
The flue gas discharge device for the heat exchange furnace provided by the embodiment is provided with the mutually isolated rainwater flow guide channel and the condensate water backflow channel, so that rainwater can be effectively prevented from entering the heat exchanger on one hand, and flue gas in the heat exchanger can be prevented from being discharged along with condensate water on the other hand.
Example III,
As shown in fig. 1, the present embodiment provides a low-power fully-premixed water heater, which includes a housing, a heat exchanger 1, a mixed gas supply device, a water inlet pipe 7, a water pump 8, a water outlet pipe 9, a flue gas exhaust device, and the like, wherein:
an inner cavity is formed in the housing.
Heat exchanger 1 set up in the inner chamber, heat exchanger 1 includes the heat exchanger shell and forms the heat exchange chamber in the shell, be equipped with on the heat exchanger shell with air inlet and the outlet flue of heat exchange chamber intercommunication, be equipped with combustor and heat exchange coil pipe in the heat exchange chamber.
The mixed gas supply device is arranged in the inner cavity. The structure and operation of the mixed gas supply device in this embodiment are completely the same as those of the mixed gas supply device in the first embodiment, so please refer to fig. 2 to 4. The mixed gas supply device comprises a fan 5 and a mixed gas supply channel 6, wherein the fan 5 comprises a fan shell and a mixed gas chamber formed in the fan shell, and the fan shell is provided with an air inlet, a gas inlet and a mixed gas outlet which are communicated with the mixed gas chamber.
After the fan 5 is started, negative pressure is generated in the mixed gas chamber, so that air in the inner cavity of the heat exchange furnace is driven to flow into the mixed gas chamber. The flow of air entering the air-fuel mixture chamber can be controlled by adjusting the negative pressure value in the adjusting fan 5. The gas inlet communicates with the outside gas supply device through a gas intake pipe 2, be equipped with gas flow control valve 3 on the gas intake pipe 2, through adjusting gas flow control valve 3 can control the flow that gets into to the gas in the gas mixture room.
It can be seen that the air flow and the gas flow into the gas mixture chamber can be controlled by the fan 5 and the gas flow control valve 3, so as to obtain a gas mixture having a predetermined concentration.
One end of the mixed gas supply channel 6 is connected with the mixed gas outlet, and the other end of the mixed gas supply channel 6 is connected with the burner in the heat exchanger 1. The air and the fuel gas are fully mixed in the mixed gas chamber to form mixed fuel gas with preset concentration, and then the mixed fuel gas is supplied to the burner through the mixed fuel gas supply channel 6 and is ignited, so that the temperature in the heat exchange chamber is increased.
The inlet tube 7, the water pump 8 reaches the outlet pipe 9 all sets up in the inner chamber, wherein: the one end of inlet tube 7 with the delivery port of water pump 8 is connected, the other end of inlet tube 7 with in the heat exchanger 1 the one end of heat exchange coil pipe is connected, the water inlet of water pump 8 is connected with outside water supply installation. One end of the water outlet pipe 9 is connected with the other end of the heat exchange coil pipe, and the other end of the water outlet pipe 9 extends out of the inner cavity of the shell. In this embodiment, the water outlet pipe 9 is provided with a water outlet valve 10.
The water pump 8 pumps condensed water in an external water supply device into the heat exchange coil pipe through the water inlet pipe 7 and drives the condensed water to flow in the heat exchange coil pipe so as to perform heat exchange with high-temperature air in the heat exchange chamber, and the condensed water after heat exchange carries a large amount of heat and flows out of the water heater through the water outlet pipe 9.
The structure and operation of the smoke discharge device in this embodiment are completely the same as those of the smoke discharge device in the second embodiment, so please refer to fig. 5 to 6. The flue gas discharge device in this embodiment includes a flue gas discharge joint 11, a flue gas discharge pipe 12, a condensed water return pipe 13, a water-sealed container 14, a condensed water discharge pipe 15, a rainwater return pipe 16, and the like. Wherein:
the smoke discharge joint 11 comprises a tubular inner joint 111 and a tubular outer joint 112 sleeved outside the inner joint 111, a first smoke channel is formed in the inner joint 111, and a first rainwater flow guide channel is formed between the outer joint 112 and the inner joint 111. The lower end opening of the nipple 111 is connected with a smoke outlet on the shell of the heat exchanger in a sealing way, so that the first smoke channel is communicated with the heat exchange chamber.
The flue gas discharge pipe 12 comprises an inner pipe 121 and an outer pipe 122 sleeved outside the inner pipe 121. A second flue gas channel is formed in the inner pipe 121, and a second rainwater diversion channel is formed between the outer pipe 122 and the inner pipe 121. Wherein: the lower end opening of the inner pipe 121 is connected with the upper end opening of the nipple 111 in a sealing manner, so that the second flue gas channel is connected with the first flue gas channel in a penetrating manner. The lower end opening of the outer pipe 122 is hermetically connected with the upper end opening of the outer joint 112, so that the second rainwater flow guiding channel is communicated with the first rainwater flow guiding channel.
And the smoke in the heat exchange chamber is discharged through the first smoke channel and the second smoke channel in sequence. When the high-temperature flue gas passes through the second flue gas channel, the water vapor therein is liquefied into condensed water when meeting cold, and the condensed water flows back to the heat exchange chamber through the inner wall of the inner pipe 121 and the inner wall of the inner joint 111.
In rainy days, outside rainwater enters the second rainwater flow guide channel and then flows downwards along the inner wall of the outer pipe 122 to the first rainwater flow guide channel. In order to prevent rainwater from entering the inner tube 121, in this embodiment, the end of the inner tube 121 is retracted inward into the outer tube 122, that is: the outer tube 122 can provide rain protection to the inner tube 121, eventually preventing rain water from entering the heat exchange chamber.
The heat exchanger comprises a heat exchanger 1, a water seal container 14, a condensate water inlet, a condensate water outlet, a condensate water return pipe 13, a condensate water discharge pipe 15 and a condensate water outlet of the water seal container 14, wherein the water seal container 14 is arranged below the heat exchanger 1, the top of the water seal container 14 is provided with the condensate water inlet, the side wall of the water seal container 14 is provided with the condensate water outlet, one end of the condensate water return pipe 13 is connected to the bottom of the heat exchanger 1 and communicated with a heat exchange chamber, the other end of the condensate water return pipe 13 is connected to the condensate water inlet of the water seal container 14, one end of.
The condensed water in the heat exchange chamber enters the water seal container 14 through the condensed water return pipe 13, then enters the condensed water discharge pipe 15 through a condensed water outlet on the side wall of the water seal container 14, and finally is discharged to the outside of the heat exchange furnace through a condensed water discharge port. It can be seen that the water sealed container 14 can prevent the smoke in the heat exchange chamber from being discharged with the condensed water to pollute the surrounding environment.
One end of the rainwater return pipe 16 is communicated with the first rainwater diversion channel, and the other end of the rainwater return pipe 16 is formed with a rainwater discharge port extending out of the heat exchange furnace. The external rainwater flows into the first rainwater diversion channel through the second rainwater diversion channel and is finally discharged to the outside of the heat exchange furnace through the rainwater return pipe 16.
The invention has been described above with a certain degree of particularity and detail. It will be understood by those of ordinary skill in the art that the description of the embodiments is merely exemplary and that all changes that may be made without departing from the true spirit and scope of the present invention are intended to be within the scope of the present invention. The scope of the invention is defined by the appended claims rather than by the foregoing description of the embodiments.
Claims (4)
1. A mixed gas supply device for a heat exchange furnace, the heat exchange furnace including a housing and an inner chamber formed in the housing, a heat exchanger being disposed in the inner chamber, the mixed gas supply device being disposed in the inner chamber and located outside the heat exchanger, the mixed gas supply device comprising:
the fan, the fan includes the fan shell and forms the mist chamber in the fan shell, be equipped with air inlet, gas air inlet and mist gas outlet on the fan shell, wherein: the gas inlet is communicated with an external gas supply device through a gas inlet pipe, and a gas flow control valve is arranged on the gas inlet pipe;
the gas mixing device comprises a mixed gas supply channel, wherein one end of the mixed gas supply channel is connected with a mixed gas outlet, and the other end of the mixed gas supply channel is connected with a heat exchanger.
2. The mixed gas supply device according to claim 1, wherein: and an air inlet of the fan shell is connected with an air filter.
3. The mixed gas supply device according to claim 2, wherein:
the air filter comprises an L-shaped air filter shell with openings at two ends, a thicker filtering and silencing cavity and a thinner connecting cavity are formed in the air filter shell, and the connecting cavity is communicated with the filtering and silencing cavity up and down;
annular silencing cotton is arranged on the upper portion of the filtering silencing cavity in a penetrating mode, an air hole penetrating through the silencing cotton is formed in the middle of the silencing cotton, a filter element is arranged on the lower portion of the filtering silencing cavity in a penetrating mode, and a connecting screw hole is formed in the end portion of the connecting cavity.
4. The mixed gas supply device according to claim 3, wherein: the joint of the filtering and silencing cavity and the connecting cavity is provided with a support, the upper end of the silencing cotton is abutted to the support, the lower end opening of the filtering and silencing cavity is clamped with a hollowed-out pressing plate, and the lower end of the filter element is abutted to the pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821152789.2U CN209068543U (en) | 2018-07-19 | 2018-07-19 | A kind of air mixture feeding mechanism for heat-exchanging furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821152789.2U CN209068543U (en) | 2018-07-19 | 2018-07-19 | A kind of air mixture feeding mechanism for heat-exchanging furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209068543U true CN209068543U (en) | 2019-07-05 |
Family
ID=67089613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821152789.2U Expired - Fee Related CN209068543U (en) | 2018-07-19 | 2018-07-19 | A kind of air mixture feeding mechanism for heat-exchanging furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209068543U (en) |
-
2018
- 2018-07-19 CN CN201821152789.2U patent/CN209068543U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201230 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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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |