CN107514809A - A kind of hot air heat exchanger of biomass combustion equipment - Google Patents
A kind of hot air heat exchanger of biomass combustion equipment Download PDFInfo
- Publication number
- CN107514809A CN107514809A CN201710828861.2A CN201710828861A CN107514809A CN 107514809 A CN107514809 A CN 107514809A CN 201710828861 A CN201710828861 A CN 201710828861A CN 107514809 A CN107514809 A CN 107514809A
- Authority
- CN
- China
- Prior art keywords
- air
- flue gas
- hot
- heat exchange
- combustion chamber
- 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- Withdrawn
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 42
- 239000002028 Biomass Substances 0.000 title description 7
- 239000003546 flue gas Substances 0.000 claims abstract description 75
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000002245 particle Substances 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims abstract description 3
- 239000000779 smoke Substances 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 8
- 238000013459 approach Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 235000013290 Sagittaria latifolia Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000015246 common arrowhead Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F24H3/00—Air heaters
- F24H3/008—Air heaters using solid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/006—Layout of treatment plant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- 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
- F24H9/0052—Details for air heaters
- F24H9/0057—Guiding means
- F24H9/0068—Guiding means in combustion gas channels
-
- 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
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1877—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/189—Arrangement or mounting of combustion heating means, e.g. grates or burners using solid fuel
-
- 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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention discloses biological particles hot air heat exchanger, including combustion chamber, flue gas case, heat exchange pipeline and air reversing box；Combustion chamber is provided with charging aperture and exhaust opening；Hot air chamber is provided with hot wind inlet and hot-blast outlet around outer wall of combustion chamber, hot air chamber；Combustion chamber is connected with flue gas case, flue gas caused by combustion chamber flows through flue gas case and discharged by the exhaust opening of flue gas case, heat exchange pipeline connects the air reversing box being arranged at left and right sides of it through flue gas heat exchange pipeline from left to right, the cavity of heat exchange pipeline and air reversing box forms hot-air channel, air enters from air intake, enters the hot wind inlet of hot air chamber after fluid interchange in hot-air channel.The present invention is compact-sized to be simplified, heat exchange stroke increase, it is ensured that heat-exchange time long enough, is reduced thermal loss, is effectively increased heat exchange efficiency, hot blast cleaning is clean.
Description
Technical field
The present invention relates to technical field of combustion equipment, and in particular to a kind of feed arrangement of biomass combustion equipment.
Background technology
China's industrial development many decades, boiler manfacturing industry are also to have made brilliant achievements, but heat so faces energy scarcity and environment
The double pressure of pollution：For China's energy resource structure based on coal, the wide Industrial Boiler of amount large area still will consume substantial amounts of coal,
Colleague is also one of main air primary pollution source in China.Report display according to investigations：The current Industrial Boiler coal consumption in China is about
Account for a quarter of coal in China total amount consumed.With the development of science and technology, in face of the passive of serious energy scarcity and environmental pollution
Situation, seeking the Heat supply and heat exchange equipment of a kind of new energy and low emission turns into the common voice that boiler industry develops.Biomass energy
As a kind of renewable and clean energy resource of hardly sulfur-bearing nitrogen, have the advantages that storage capacity it is abundant, using nuisanceless, it is general
All over one of fundamental solution for being considered to solve future source of energy crisis.China is large agricultural country, possesses abundant biomass resource, opens
Hair utilizes these resources.Important meaning is respectively provided with for alleviating energy shortage, reducing Fossil fuel consumption, environmental protection etc..
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide it is a kind of it is simple in construction, cost is low, energy-conserving and environment-protective,
The hot air heat exchanger of heat transfer efficient, its is compact-sized to simplify, and oxygen supply is abundant, particle burning efficiency high, good effect of heat exchange, solves to change
The problem of thermal efficiency is low, securely and reliably, reduce thermal loss.
To reach above-mentioned purpose, the technical scheme is that：
A kind of biological particles hot air heat exchanger, it is characterised in that:Changed including combustion chamber, flue gas case, heat exchange pipeline and air
To case；
The combustion chamber is provided with charging aperture and exhaust opening；
The hot air chamber is provided with hot wind inlet and hot-blast outlet around outer wall of combustion chamber, hot air chamber；
The combustion chamber is connected with flue gas case, and flue gas caused by combustion chamber flows through flue gas case and discharged by the exhaust opening of flue gas case,
The heat exchange pipeline is from left to right in flue gas case, and heat exchange pipeline is provided with air intake, and air reversing box is provided with air outlet slit,
The hot wind inlet connection of the air outlet slit and hot air chamber.Heat exchange pipeline connects the air reversing box being arranged at left and right sides of it,
The cavity of heat exchange pipeline and air reversing box forms hot-air channel, and air enters from air intake, flows and change in hot-air channel
Enter the hot wind inlet of hot air chamber after heat.
The combustion chamber is connected by exhaust gases passes with flue gas case, and combustion chamber is connected with the entrance of exhaust gases passes, flue gas
The outlet of passage is connected with the gas approach of flue gas case.
At least one piece of smoke deflector, the smoke deflector point are provided between the smoke inlet and exhaust opening of the flue gas case
Regularly arranged heat exchange pipe through-hole is not provided with, and the smoke deflector is divided into flue gas case the flue communicated, the flue gas water conservancy diversion
Plate one end and flue gas tank wall standoff distance, the standoff distance constitute flue gas communication port, and the flue gas communication port is staggeredly arranged.
Flue gas adds the heat exchange stroke of flue gas in the half interval contour circuitous flow of the flue gas communication port to stagger.
The air reversing box includes the left air reversing box being arranged on the left of heat exchange pipeline and is arranged on the heat exchange pipeline right side
The right air reversing box of side, the heat exchange pipeline are provided with two groups, and first group of heat exchange pipeline one end is air intake, and centre passes through cigarette
Conductance flowing plate simultaneously runs through flue gas case, and the other end connects with right air reversing box；Another group of heat exchange pipeline both ends respectively connect both sides
Air reversing box, centre is through smoke deflector and runs through flue gas case；
Right clapboard is provided with the right air reversing box, right air reversing box is separated into independent cavity, the left air changes
Left clapboard is provided with into case, left air reversing box is separated into independent cavity, it is appropriate that right clapboard and left clapboard are mutually staggered
Highly.The quantity of the left clapboard or right clapboard is more than one piece.Purpose is in order that air changes in the air for the height that staggers
To the half interval contour circuitous flow of the cavity of case, make the actual internal area of whole heat transfer process uniform, while add changing for air
Hot stroke.
The combustion chamber is in the form of a column structure, and the bottom of the combustion chamber is distribution plenum, and distribution plenum is provided with aid distributing pipe and deashing
Mouthful.
The flue gas case is square box structure, and bottom is provided with shoot door able to turn on or off.
The advantageous effects of the technical program are：
As a result of appeal technical scheme, biomass granule fuel is put into combustion chambers burn by feed pipe, burning produces
Flue gas enter flue gas case by exhaust gases passes, flue gas is advanced by smoke deflector in flue gas case, increase heat exchange stroke, most
Discharged afterwards by exhaust opening, air carries out heat exchange by heat exchange pipeline with heat smoke in flue gas case, and air is commutated by air
Case is carried out in heat exchange pipeline, it is ensured that heat-exchange time long enough, reduces thermal loss, combustion chamber is passed back finally by hot wind inlet
The hot air chamber of outer wall, is discharged by hot-blast outlet, and good sealing can ensure that the middle cold wind that do not have adulterates, and temperature can be progressively
Rise, effectively increases heat exchange efficiency, hot blast more cleans totally.
Brief description of the drawings
Fig. 1 is a kind of schematic perspective view of biological particles hot air heat exchanger.
Fig. 2 is a kind of sectional view of the combustion chamber in biological particles hot air heat exchanger.
Fig. 3 is a kind of stereogram of the flue gas case in biological particles hot air heat exchanger.
Fig. 4 is a kind of rearview of biological particles hot air heat exchanger.
Fig. 5 is a kind of left view of biological particles hot air heat exchanger.
In figure, 1- combustion chambers, 2- exhaust gases passes, 3- flue gases case, 4- air reversing box, 5- exhaust openings, 6- charging apertures, 7-
Aid distributing pipe, 8- hot wind inlets, 9- hot-blast outlets, 10- distribution plenums, 11- hot air chambers, 12- cleaning doors, 13- heat exchange pipelines, 14-
Smoke deflector, 15- right clapboards, 16- left clapboards, 17- air intakes, 18- air outlet slits.
Embodiment
A kind of as shown in figure 1, biological particles hot air heat exchanger, it is characterised in that:Including combustion chamber 1, flue gas case 3, change
Hot channel 13 and air reversing box 4；
The combustion chamber 1 is provided with charging aperture 6, and flue gas case is provided with exhaust opening 5；
As shown in Fig. 2 the hot air chamber 11 is provided with hot wind inlet 8 and hot-blast outlet 9 around the outer wall of combustion chamber 1, hot air chamber 11；
As shown in Fig. 1 ~ Fig. 2, the combustion chamber 1 is connected by exhaust gases passes 2 with flue gas case 3, combustion chamber 1 and exhaust gases passes 2
Entrance is connected, and the outlet of exhaust gases passes 2 is connected with the gas approach of flue gas case 3.
As shown in Fig. 3 ~ Fig. 4, the combustion chamber 1 is connected with flue gas case 3, and it is logical that flue gas caused by combustion chamber 1 flows through flue gas case 3
Cross exhaust opening 5 to discharge, for the heat exchange pipeline 13 from left to right in flue gas case 3, heat exchange pipeline 13 is provided with air intake 17, empty
Gas reversing box 4 is provided with air outlet slit 18, and the air outlet slit 18 is connected with the hot wind inlet 8 of hot air chamber 11.Heat exchange pipeline 13 connects
The cavity of the logical air reversing box 4 being arranged at left and right sides of it, heat exchange pipeline 13 and air reversing box 4 forms hot-air channel, empty
Gas enters from air intake 17, enters the hot wind inlet 8 of hot air chamber 11 after fluid interchange in hot-air channel.In Fig. 4, solid arrow
Head is the flow path of air.
As shown in Fig. 3 ~ Fig. 4, at least one piece of smoke deflector is provided between the smoke inlet and exhaust opening of the flue gas case 3
14, the smoke deflector 14 has the regularly arranged through hole of heat exchange pipeline 13, and the smoke deflector 14 is flue gas case 3
The flue communicated is divided into, described one end of smoke deflector 14 and the wall standoff distance of flue gas case 3, the standoff distance constitute flue gas
Communication port, the flue gas communication port are staggeredly arranged.Flue gas adds cigarette in the half interval contour circuitous flow of the flue gas communication port to stagger
The heat exchange stroke of gas.In Fig. 4, hollow arrow is the flow path of flue gas.
As shown in Fig. 3 ~ Fig. 4, the air reversing box 4 includes the left air reversing box 4 for being arranged on the left side of heat exchange pipeline 13
With the right air reversing box 4 for being arranged on the right side of heat exchange pipeline 13, the heat exchange pipeline 13 is provided with two groups, first group of heat exchange pipeline 13
One end is air intake 17, and centre is through smoke deflector 14 and runs through flue gas case 3, and the other end connects with right air reversing box 4；
Another group of both ends of heat exchange pipeline 13 respectively connect the air reversing box 4 of both sides, and centre is through smoke deflector 14 and runs through flue gas case
3；
As shown in Fig. 3 ~ Fig. 4, right clapboard 15 is provided with the right air reversing box 4, right air reversing box 4 is separated into independent
Cavity, the left air reversing box 4 is interior to be provided with left clapboard 16, and left air reversing box 4 is separated into independent cavity, right clapboard 15
With the height that it is appropriate that left clapboard 16 is mutually staggered.The quantity of the left clapboard 16 or right clapboard 15 is more than one piece.Purpose is
In order that air in the half interval contour circuitous flow of the cavity of the air reversing box 4 for the height that staggers, makes the circulation of whole heat transfer process
Sectional area is uniform, while adds the heat exchange stroke of air.
As shown in figure 5, the combustion chamber 1 is in the form of a column structure, the bottom of the combustion chamber 1 is distribution plenum, and distribution plenum is provided with
Aid distributing pipe and cleaning door 12.
As shown in figure 1, the flue gas case 3 is square box structure, as shown in figure 5, bottom is provided with cleaning door able to turn on or off.
The advantageous effects of the technical program are：
In employing appeal technical scheme, biomass granule fuel is put into combustion chamber 1 by feed pipe 6 and burnt, burning produces
Flue gas enter flue gas case 3 by exhaust gases passes 2, flue gas is advanced by smoke deflector 14 in flue gas case 3, increase heat exchange row
Journey, finally discharged by exhaust opening 5, air carries out heat exchange by heat exchange pipeline 13 with heat smoke in flue gas case 3, and air passes through
Air reversing box 4 is carried out in heat exchange pipeline 13, it is ensured that heat-exchange time long enough, is reduced thermal loss, is entered finally by hot blast
Mouth 8 passes the hot air chamber 11 of the outer wall of combustion chamber 1 back, is discharged by hot-blast outlet 9, and it is cold that good sealing can ensure that centre does not have
Wind is adulterated, and temperature can be stepped up, and effectively increase heat exchange efficiency, hot blast more cleans totally.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is all at this using new
Spirit and principle within, to those skilled in the art, on the premise of creativeness is not paid, that is made is any
Modification, equivalent substitution, improvement etc., should be included within the protection domain of invention.
Claims (9)
- A kind of 1. biological particles hot air heat exchanger, it is characterised in that:Including combustion chamber（1）, flue gas case（3）, heat exchange pipeline （13）And air reversing box（4）；The combustion chamber（1）Provided with charging aperture（6）, the flue gas case（3）Provided with exhaust opening（5）；The hot air chamber（11）Around combustion chamber（1）Outer wall, hot air chamber（11）Provided with hot wind inlet（8）And hot-blast outlet（9）； The combustion chamber（1）With flue gas case（3）Connection, combustion chamber（1）Caused flue gas flows through flue gas case（3）Pass through flue gas case（3）'s Exhaust opening（5）Discharge, the heat exchange pipeline（13）Run through flue gas case from left to right（3）It is interior, heat exchange pipeline（13）Enter provided with air Mouthful（17）, air reversing box（4）Provided with air outlet slit（18）, the air outlet slit（18）With hot air chamber（11）Hot wind inlet （8）Connection, heat exchange pipeline（13）Connect the air reversing box being arranged at left and right sides of it（4）, heat exchange pipeline（13）Changed with air To case（4）Cavity form hot-air channel, air is from air intake（17）Into into heat after fluid interchange in hot-air channel Air compartment（11）Hot wind inlet（8）.
- A kind of 2. biological particles hot air heat exchanger according to claim 1, it is characterised in that:The combustion chamber（1）It is logical Cross exhaust gases passes（2）With flue gas case（3）Connection, combustion chamber（1）With exhaust gases passes（2）Entrance be connected, exhaust gases passes（2）'s Outlet and flue gas case（3）Gas approach connection.
- A kind of 3. biological particles hot air heat exchanger according to claim 1, it is characterised in that:The flue gas case（3）'s Smoke inlet and exhaust opening（5）Between be provided with least one piece of smoke deflector（14）, the smoke deflector（14）Have rule The heat exchange pipe through-hole then arranged, the smoke deflector（14）Flue gas case（3）It is divided into the flue communicated, the smoke deflector （14）One end and flue gas case（3）Wall standoff distance, the standoff distance constitute flue gas communication port, and the flue gas communication port staggers Arrangement.
- A kind of 4. biological particles hot air heat exchanger according to claim 1, it is characterised in that:The air reversing box （4）Including being arranged on heat exchange pipeline（13）The left air reversing box in left side（4）Be arranged on heat exchange pipeline（13）The right sky on right side Gas reversing box（4）, the heat exchange pipeline（13）Provided with two groups, first group of heat exchange pipeline（13）One end is air intake（17）, in Between pass through smoke deflector（14）And run through flue gas case（3）, the other end and right air reversing box（4）Connection；Another group of heat exchanger tube Road（13）Both ends respectively connect the air reversing box of both sides（4）, centre passes through smoke deflector（14）And run through flue gas case（3）.
- A kind of 5. biological particles hot air heat exchanger according to claim 1, it is characterised in that:The right air reversing box （4）It is interior to be provided with right clapboard（15）, right air reversing box（4）It is separated into independent cavity, the left air reversing box（4）Inside set There is left clapboard（16）, left air reversing box（4）It is separated into independent cavity, right clapboard（15）And left clapboard（16）Mutually it is staggered Appropriate height.
- A kind of 6. biological particles hot air heat exchanger according to claim 1, it is characterised in that:Left clapboard（16）It is or right Dividing plate（15）Quantity be more than one piece.
- A kind of 7. biological particles hot air heat exchanger according to claim 1, it is characterised in that:Combustion chamber（1）It is in the form of a column Structure.
- A kind of 8. biological particles hot air heat exchanger according to claim 1, it is characterised in that:Combustion chamber（1）Bottom For distribution plenum（10）, distribution plenum（10）Provided with aid distributing pipe（7）And cleaning door（12）.
- A kind of 9. biological particles hot air heat exchanger according to claim 1, it is characterised in that:The flue gas case（3）For Square box structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710828861.2A CN107514809A (en) | 2017-09-14 | 2017-09-14 | A kind of hot air heat exchanger of biomass combustion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710828861.2A CN107514809A (en) | 2017-09-14 | 2017-09-14 | A kind of hot air heat exchanger of biomass combustion equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107514809A true CN107514809A (en) | 2017-12-26 |
Family
ID=60725235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710828861.2A Withdrawn CN107514809A (en) | 2017-09-14 | 2017-09-14 | A kind of hot air heat exchanger of biomass combustion equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107514809A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954816A (en) * | 2018-07-20 | 2018-12-07 | 芜湖新农夫机械有限公司 | A kind of hot-blast stove |
| CN109595813A (en) * | 2019-01-15 | 2019-04-09 | 临沂市欧科节能技术有限公司 | A kind of full adverse current anti-dry gas-fired condensing boiler |
-
2017
- 2017-09-14 CN CN201710828861.2A patent/CN107514809A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954816A (en) * | 2018-07-20 | 2018-12-07 | 芜湖新农夫机械有限公司 | A kind of hot-blast stove |
| CN109595813A (en) * | 2019-01-15 | 2019-04-09 | 临沂市欧科节能技术有限公司 | A kind of full adverse current anti-dry gas-fired condensing boiler |
| CN109595813B (en) * | 2019-01-15 | 2023-11-24 | 临沂市欧科节能技术有限公司 | Full-countercurrent dry-burning prevention gas condensing boiler |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171226 |