CN107300255A - A kind of dual-purpose water heater of electric coal - Google Patents
A kind of dual-purpose water heater of electric coal Download PDFInfo
- Publication number
- CN107300255A CN107300255A CN201710599860.5A CN201710599860A CN107300255A CN 107300255 A CN107300255 A CN 107300255A CN 201710599860 A CN201710599860 A CN 201710599860A CN 107300255 A CN107300255 A CN 107300255A
- Authority
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- China
- Prior art keywords
- furnace body
- hot water
- box
- burning
- water heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 127
- 239000003245 coal Substances 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 230000000391 smoking effect Effects 0.000 claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 25
- 239000000779 smoke Substances 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims description 6
- 239000002196 Pyroceram Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 5
- 239000002893 slag Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000003570 air Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002640 oxygen therapy Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/34—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1845—Arrangement or mounting of combustion heating means, e.g. grates or burners using solid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The invention discloses a kind of electric dual-purpose water heater of coal, including hot water furnace body, dust collecting box, smoking box and heating box, the top of water heater body interior is installed with several electrical bars, burning cover is fixed with the middle part of water heater body interior, the inside of hot water furnace body is divided into heating cavity and burning cavity by burning cover, the top of burning cover is fixedly connected with leading the bottom of smoke pipe, the top for leading smoke pipe is connected through the top of hot water furnace body with smoking box inside, and the bottom of smoking box at the top of hot water furnace body with being fixedly connected.The burning cover that water heater body interior of the present invention is provided with can separate heating cavity and burning cavity, water can be internally heated in heating cavity, coal, which can be placed on burning rack, to burn, and the drawer being provided with inside dust collecting box can facilitate the carbon slag produced for burning and dust to be collected and clear up.
Description
Technical field
The present invention relates to a kind of water heater, more particularly to a kind of dual-purpose water heater of electric coal.
Background technology
Water heater is exactly the boiler for producing hot water, refers to the heat energy or other heat energy discharged using fuel combustion（Such as electricity
Energy, solar energy etc.）Water is heated to a kind of thermal hardware of rated temperature, either industrial production or residential use, hot water
Stove is all to we provide huge facility, but traditional water heater mode of heating is more single, be either electrical heating or
It is combustion heating, once without electricity or when not having coal, water heater can not just work, and this just brings pole to our use
Big inconvenience, and mostly traditional water heater only has the effect of heating water, the gas to producing extreme temperatures in combustion process
Do not utilized, this has resulted in very big waste, therefore we make improvement to this, proposes a kind of electric dual-purpose hot water of coal
Stove.
The content of the invention
It is a primary object of the present invention to provide a kind of dual-purpose water heater of electric coal, conventional hot water's stove heat can be effectively solved
Mode is single, the wasting of resources the problem of.
To achieve the above object, the technical scheme taken of the present invention is：
In a kind of dual-purpose water heater of electric coal, including hot water furnace body, dust collecting box, smoking box and heating box, the hot water furnace body
The top in portion is installed with the middle part of several electrical bars, the water heater body interior and is fixed with burning cover, the combustion
Burn cover and the inside of hot water furnace body is divided into heating cavity and burning cavity, the top of the burning cover is consolidated with leading the bottom of smoke pipe
Fixed connection, the top for leading smoke pipe is connected through the top of hot water furnace body with smoking box inside, the bottom of the smoking box
It is fixedly connected with the top of hot water furnace body, the side inside the smoking box is fixed with filtering dust net, and the one of outer wall
Side is provided with the top of pipe, the smoking box and is fixed with some heat conductive rods, and the heat conductive rod is placed in inside heating box, described
The bottom of heating box at the top of smoking box with being fixedly connected, and the side of the heating box is symmetrically installed with two motors, two institutes
The output end for stating motor is placed on the inside of heating box through the one of heating box, and is socketed with fan, the water heater sheet
The top of body side is provided with water inlet, and bottom is provided with blower fan, and the bottom of the hot water furnace body opposite side is provided with delivery port, described
The bottom of hot water furnace body at the top of dust collecting box with being fixedly connected, and the bottom of the water heater body interior is provided with burning rack,
The inside of the dust collecting box is provided with drawer, and the positive top of hot water furnace body is provided with water level groove, the top of the water level groove
Provided with several air-vents, the positive bottom of hot water furnace body is hinged with fire door, and the electrical bar passes through first switch, electricity
Machine is electrically connected with the power supply by second switch, blower fan by the 3rd switch.
Further, it is made from a material that be thermally conductive at the top of the smoking box, the opposite side of heating box is open structure.
Further, the inwall of the hot water furnace body is equipped with insulation material.
Further, the water inlet and delivery port are separately installed with water intaking valve and outlet valve.
Further, the hot water furnace body inside dust collecting box with connecting.
Further, pyroceram is installed inside the water level groove.
Compared with prior art, the present invention has the advantages that：In the dual-purpose water heater of this kind electricity coal, hot water furnace body
The burning cover that portion is provided with can separate heating cavity and burning cavity, and water can be internally heated in heating cavity, coal
It can be placed on burning rack and burn, the drawer being provided with inside dust collecting box can facilitate the carbon slag and dust produced for burning
It is collected and clears up, the gas flow guiding that produces can will be burnt to inside smoking box by leading smoke pipe and burning cover, inside smoking box
The filtering dust net being provided with can be filtered to the cigarette ash in gas, the cooperation of the heat conductive rod and fan that are provided with the top of smoking box
Use, the temperature of gas can be expanded and be transferred in surrounding air, realize heating, the design of water level groove and air-vent can facilitate
Waterline in operator's observation water heater, while balancing the air pressure in water heater, the electric heating that water heater is provided with by body interior
Rod can no coal or to environmental requirement it is higher in the case of, water is electrically heated, realize water heater flexibly make
With.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the electric dual-purpose water heater of coal of the present invention.
Fig. 2 is a kind of positive structure schematic of the electric dual-purpose water heater of coal of the present invention.
Fig. 3 is a kind of overlooking the structure diagram of the electric dual-purpose water heater of coal of the present invention.
Fig. 4 is a kind of one of partial structural diagram of the electric dual-purpose water heater of coal of the present invention.
Fig. 5 is the two of a kind of partial structural diagram of the electric dual-purpose water heater of coal of the present invention.
In figure：1st, hot water furnace body；2nd, dust collecting box；3rd, smoking box；4th, heating box；5th, burning cover；6th, smoke pipe is led；7th, dust
Screen pack；8th, water inlet；9th, delivery port；10th, drawer；11st, heat conductive rod；12nd, fan；13rd, pipe；14th, blower fan；15th, electric heating
Rod；16th, fire door；17th, water level groove；18th, air-vent；19th, motor；20th, burning rack.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, is expanded on further the present invention.
As Figure 1-5, a kind of dual-purpose water heater of electric coal, including hot water furnace body 1, dust collecting box 2, smoking box 3 and heating
The middle part that top inside case 4, hot water furnace body 1 is installed with inside several electrical bars 15, hot water furnace body 1, which is fixed, to be set
There is burning cover 5, the inside of hot water furnace body 1 is divided into heating cavity and burning cavity by burning cover 5, and the top of burning cover 5 is with leading
The bottom of smoke pipe 6 is fixedly connected, and the top for leading smoke pipe 6 is connected through the top of hot water furnace body 1 with the inside of smoking box 3, is discharged fume
The bottom of case 3 is fixedly connected with the top of hot water furnace body 1, and the side inside smoking box 3 is fixed with filtering dust net 7, and
The side of outer wall is provided with pipe 13, and the top of smoking box 3 is fixed with some heat conductive rods 11, and heat conductive rod 11 is placed in heating box 4
Inside, the bottom of heating box 4 is fixedly connected with the top of smoking box 3, and the side of heating box 4 is symmetrically installed with two motors 19,
The output end of two motors 19 is placed on the inside of heating box 4 through the one of heating box 4, and is socketed with fan 12, hot water
The top of the side of furnace body 1 is provided with water inlet 8, and bottom is provided with blower fan 14, and the bottom of the opposite side of hot water furnace body 1 is provided with delivery port
9, the bottom of hot water furnace body 1 is fixedly connected with the top of dust collecting box 2, and the bottom inside hot water furnace body 1 is provided with burning rack
20, the inside of dust collecting box 2 is provided with drawer 10, and the positive top of hot water furnace body 1 is provided with water level groove 17, and the top of water level groove 17 is set
There are several air-vents 18, the positive bottom of hot water furnace body 1 is hinged with fire door 16, and electrical bar 15 passes through first switch, motor
19 are electrically connected with the power supply by second switch, blower fan 14 by the 3rd switch.
Wherein, the top of smoking box 3 is made from a material that be thermally conductive, and the opposite side of heating box 4 is open structure, smoking box 3
Internal high temperature can be transmitted to inside heating box 4, and is externally distributed by heating box 4.
Wherein, the inwall of hot water furnace body 1 is equipped with insulation material, effectively insulation, improves the operating efficiency of water heater.
Wherein, water inlet 8 and delivery port 9 are separately installed with water intaking valve and outlet valve, and water heater is flexibly controlled by operator
Water inlet and water outlet.
Wherein, hot water furnace body 1 is connected with the inside of dust collecting box 2, and the carbon slag after burning can be smoothly fallen into inside dust collecting box 2
Drawer 10 in.
Wherein, pyroceram is installed inside water level groove 17, the height of water in water heater is observed for operator.
It should be noted that the present invention is a kind of electric dual-purpose water heater of coal, can be first by the water inlet of water inlet 8 during work
Valve is opened, and water is injected into the heating cavity inside hot water furnace body 1 from water inlet 8, operator can observe water level groove 17
Interior waterline, when waterline reaches the height of water level groove 17, stops water filling, fire door 16 is then opened, by the coal after lighting
Charcoal is placed on burning rack 20, then fire door 16 is closed, and the 3rd switch is opened, blower fan 14 works, inside hot water furnace body 1
Burning cavity cured by oxygen therapy, coal conflagration so that the water in heating cavity is brought rapidly up, coal burning produce cigarette ash
And the gas such as carbon monoxide, carbon dioxide along burning cover 5 and will lead smoke pipe 6 and enter smoking box 3, inside smoking box 3
The filtration of soot of filtering dust net 7 after emitted again from pipe 13, because the temperature of these gases is higher, thus smoke evacuation
The head temperature of case 3 is improved rapidly, and heat will be conducted to heat conductive rod 11, and heat conductive rod 11 will cause ambient air temperature to raise,
Second switch is now opened, motor 19 is started working so as to which fan 12 is rotated, the higher air of the environment temperature of heat conductive rod 11 is blown
Go out, heated so as to realize to indoor, will in the drawer 10 being provided with dust collecting box 2 after water heater uses a period of time
More carbon slag and dust is saved bit by bit, operator only needs to extract out in drawer 10, carbon slag is outwelled, when operator is want using electricity
During heating, it is only necessary to open first switch, electrical bar 15 can just be heated to the water in heating cavity.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of dual-purpose water heater of electric coal, including hot water furnace body（1）, dust collecting box（2）, smoking box（3）And heating box（4）, its
It is characterised by：The hot water furnace body（1）Internal top is installed with several electrical bars（15）, the hot water furnace body
（1）Internal middle part is fixed with burning cover（5）, the burning cover（5）Hot water furnace body（1）Inside be divided into heating cavity
And burning cavity, the burning cover（5）Top and lead smoke pipe（6）Bottom be fixedly connected, it is described to lead smoke pipe（6）Top pass through
Wear hot water furnace body（1）Top and smoking box（3）Inside connection, the smoking box（3）Bottom and hot water furnace body（1）'s
Top is fixedly connected, the smoking box（3）Internal side is fixed with filtering dust net（7）, and the side of outer wall is provided with out
Smoke pipe（13）, the smoking box（3）Top be fixed with some heat conductive rods（11）, the heat conductive rod（11）It is placed in heating box
（4）Inside, the heating box（4）Bottom and smoking box（3）Top be fixedly connected, the heating box（4）Side it is symmetrical
Two motors are installed（19）, two motors（19）Output end run through heating box（4）One be placed on heating box（4）
Inside, and be socketed with fan（12）, the hot water furnace body（1）The top of side is provided with water inlet（8）, bottom is provided with wind
Machine（14）, the hot water furnace body（1）The bottom of opposite side is provided with delivery port（9）, the hot water furnace body（1）Bottom and collection
Ash bin（2）Top be fixedly connected, the hot water furnace body（1）Internal bottom is provided with burning rack（20）, the dust collecting box
（2）Inside be provided with drawer（10）, the hot water furnace body（1）Positive top is provided with water level groove（17）, the water level groove
（17）Top be provided with several air-vents（18）, the hot water furnace body（1）Positive bottom is hinged with fire door（16）, it is described
Electrical bar（15）Pass through first switch, motor（19）Pass through second switch, blower fan（14）Electrically connected with power supply by the 3rd switch
Connect.
2. a kind of electric dual-purpose water heater of coal according to claim 1, it is characterised in that：The smoking box（3）Top by
Heat Conduction Material is made, heating box（4）Opposite side be open structure.
3. a kind of electric dual-purpose water heater of coal according to claim 1, it is characterised in that：The hot water furnace body（1）It is interior
Wall is equipped with insulation material.
4. a kind of electric dual-purpose water heater of coal according to claim 1, it is characterised in that：The water inlet（8）And delivery port
（9）It is separately installed with water intaking valve and outlet valve.
5. a kind of electric dual-purpose water heater of coal according to claim 1, it is characterised in that：The hot water furnace body（1）With collection
Ash bin（2）Inside connection.
6. a kind of electric dual-purpose water heater of coal according to claim 1, it is characterised in that：The water level groove（17）Install inside
There is pyroceram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710599860.5A CN107300255A (en) | 2017-07-21 | 2017-07-21 | A kind of dual-purpose water heater of electric coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710599860.5A CN107300255A (en) | 2017-07-21 | 2017-07-21 | A kind of dual-purpose water heater of electric coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107300255A true CN107300255A (en) | 2017-10-27 |
Family
ID=60133055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710599860.5A Pending CN107300255A (en) | 2017-07-21 | 2017-07-21 | A kind of dual-purpose water heater of electric coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107300255A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151048A (en) * | 2017-12-26 | 2018-06-12 | 徐州安诚矿山设备有限公司 | A kind of household burns coal furnace |
| CN109006884A (en) * | 2018-05-23 | 2018-12-18 | 新疆畜牧科学院畜牧业质量标准研究所（新疆维吾尔自治区种羊与羊毛羊绒质量安全监督检验中心） | Using sand as the sheep tripe packet meat static state device for baking of heat-conduction medium |
| CN112097394A (en) * | 2020-09-26 | 2020-12-18 | 苏州塔星锅炉有限公司 | Small vertical dual-purpose water heater |
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| CN2533430Y (en) * | 2002-01-27 | 2003-01-29 | 李春植 | Shaped coal hot air heater |
| CN203274236U (en) * | 2013-05-16 | 2013-11-06 | 莫日根朝格图 | Three-purpose energy-saving boiler used through firewood, coal and electricity |
| CN204128003U (en) * | 2014-07-18 | 2015-01-28 | 毛新宇 | Coal and electricity dual-purpose energy-saving environment-friendly furnace |
| CN205783756U (en) * | 2016-05-18 | 2016-12-07 | 天津市国旺洪盛环保设备科技有限公司 | A kind of water heater in terms of thermal hardware field |
| CN205843033U (en) * | 2016-06-01 | 2016-12-28 | 毛新宇 | A kind of energy-saving environment-friendly furnace with heating coil |
| CN205842743U (en) * | 2016-06-01 | 2016-12-28 | 毛新宇 | A kind of double-purpose energy-saving environment-friendly stove |
| CN206919380U (en) * | 2017-07-21 | 2018-01-23 | 苏州希霆热能技术有限公司 | A kind of dual-purpose water heater of electric coal |
-
2017
- 2017-07-21 CN CN201710599860.5A patent/CN107300255A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533430Y (en) * | 2002-01-27 | 2003-01-29 | 李春植 | Shaped coal hot air heater |
| CN203274236U (en) * | 2013-05-16 | 2013-11-06 | 莫日根朝格图 | Three-purpose energy-saving boiler used through firewood, coal and electricity |
| CN204128003U (en) * | 2014-07-18 | 2015-01-28 | 毛新宇 | Coal and electricity dual-purpose energy-saving environment-friendly furnace |
| CN205783756U (en) * | 2016-05-18 | 2016-12-07 | 天津市国旺洪盛环保设备科技有限公司 | A kind of water heater in terms of thermal hardware field |
| CN205843033U (en) * | 2016-06-01 | 2016-12-28 | 毛新宇 | A kind of energy-saving environment-friendly furnace with heating coil |
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| CN206919380U (en) * | 2017-07-21 | 2018-01-23 | 苏州希霆热能技术有限公司 | A kind of dual-purpose water heater of electric coal |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151048A (en) * | 2017-12-26 | 2018-06-12 | 徐州安诚矿山设备有限公司 | A kind of household burns coal furnace |
| CN109006884A (en) * | 2018-05-23 | 2018-12-18 | 新疆畜牧科学院畜牧业质量标准研究所（新疆维吾尔自治区种羊与羊毛羊绒质量安全监督检验中心） | Using sand as the sheep tripe packet meat static state device for baking of heat-conduction medium |
| CN112097394A (en) * | 2020-09-26 | 2020-12-18 | 苏州塔星锅炉有限公司 | Small vertical dual-purpose water heater |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171027 |
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| WD01 | Invention patent application deemed withdrawn after publication |