CN207112835U - A kind of waste heat utilization system - Google Patents
A kind of waste heat utilization system Download PDFInfo
- Publication number
- CN207112835U CN207112835U CN201721083756.2U CN201721083756U CN207112835U CN 207112835 U CN207112835 U CN 207112835U CN 201721083756 U CN201721083756 U CN 201721083756U CN 207112835 U CN207112835 U CN 207112835U
- Authority
- CN
- China
- Prior art keywords
- water
- water source
- filter
- drying chamber
- filtration tank
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of waste heat utilization system, including incinerator and filtration tank, the smoke inlet of the filtration tank is connected by Z-shaped flue with the outlet flue of incinerator；Filter, Venturi tube and gas outlet are provided with from the bottom to top in the inside of filtration tank；The filtration tank is connected with water source Heat Room and drying chamber respectively by three-way valve；At water source, the inside of Heat Room is provided with cold water inlet, hot water drainpipe and helical metal heat conducting pipe；The cold water inlet is connected with cold water water storehouse, and the hot water drainpipe is connected with hot water water storehouse；Centre position inside drying chamber is provided with stoving rack, rotary-tray and motor；Fan and arc wind waveguide plate are provided with the top of drying chamber.Waste heat utilization system described in the utility model can utilize heat contained in the waste gas after burning, and water source is heated, and play a part of drying article, reduce the waste of the energy.
Description
Technical field
It the utility model is related to technical field of energy utilization, more particularly to a kind of waste heat utilization system.
Background technology
Certain waste gas can be produced in the production activity of enterprise, causes environment dirty to prevent waste gas to be discharged into after air
Dye, potential safety hazard is reduced, waste gas is discharged into after the burning purification of incinerator, then by gas in air, so as to reduce
The destruction to caused by environment.Gas after burning can take away substantial amounts of heat, not carry out recovery profit to it generally in the prior art
With making the heat in gas be immediately discharged to atmosphere, not only waste the energy, and easily cause greenhouse effects.
Utility model content
In order to make up the deficiencies in the prior art, the utility model provides a kind of waste heat utilization system, can utilize and burn
Contained heat, is heated to water source in waste gas afterwards, and plays a part of drying article, reduces the waste of the energy,
To solve problems of the prior art.
The utility model is achieved by the following technical solution：
A kind of waste heat utilization system, including incinerator, the section shape of the incinerator is trapezoidal, in the incinerator
Bottom is provided with smoke-intake pipe, and outlet flue is provided with the top of the incinerator；Filtration tank is provided with the outside of the incinerator, it is described
Filtration tank is shaped as cylindrical type；Support is provided with the bottom of the filtration tank, is provided with the side wall of the filtration tank bottom
Smoke inlet, the smoke inlet are connected by Z-shaped flue with outlet flue；
The inside of the filtration tank be provided with some vertical directions distribution filter, the filter be respectively positioned on into
The top of mouth；The filter includes filter, be sequentially provided with from the bottom to top on the filter ceramic filter flaggy,
Activated carbon filter layer and soda lime layer；It is equipped with deflector in the both sides of the filter, the deflectors of the both sides is to filter
It is symmetric centered on plate；Gas outlet is provided with the top of the filtration tank；Venturi is provided with the bottom of the gas outlet
Pipe, the Venturi tube are located at the top of filter；
Three-way valve is provided with the outside of the filtration tank, air inlet, first row are respectively equipped with the three-way valve
Gas port and second exhaust port；The air inlet is connected by air inlet pipe with gas outlet；Set respectively in the outside of the filtration tank
There are water source Heat Room and drying chamber, the first row gas port is connected by downtake pipe with water source Heat Room, and described second
Exhaust outlet is connected by second exhaust pipe with drying chamber；
It is sequentially provided with heat-insulation layer and flame retardant coating from outside to inside on the inwall of the water source Heat Room, the heat-insulation layer is by glass
Glass fiber thermal insulation cotton is formed, and the flame retardant coating is made up of oxidation aluminium heat insulation material；Front side position inside the water source Heat Room
Cold water inlet is installed, the rearward position inside the water source Heat Room is provided with hot water drainpipe, is exchanged heat at the water source
The centre position of chamber interior is provided with some helical metal heat conducting pipes, the both ends of the helical metal heat conducting pipe respectively with cold water
Water inlet pipe is connected with hot water drainpipe；Cold water water storehouse and hot water water storage are respectively equipped with the outside of the water source Heat Room
Storehouse, the cold water inlet extend to the outside of water source Heat Room and are connected with cold water water storehouse, and the hot water drainpipe prolongs
Extend the outside of water source Heat Room and be connected with hot water water storehouse；Passed on the top of the water source Heat Room provided with the first temperature
Sensor, first flow regulating valve, first temperature sensor and first flow regulating valve are provided with the downtake pipe
It is electrically connected with；First discharge port is provided with the roof of the water source Heat Room, the first lid is provided with the first discharge port
Plate；
Centre position inside the drying chamber is provided with stoving rack, and rotary-tray is provided with the top of the stoving rack,
Motor is provided with the bottom of the rotary-tray, the motor is connected with rotary-tray；In the inwall of the drying chamber top
Fan is provided with, arc wind waveguide plate is equipped with the anterior inwall with rear portion of the drying chamber；On the top of the drying chamber
Provided with second temperature sensor, be provided with second flow regulating valve on the second exhaust pipe, the second temperature sensor with
Second flow regulating valve is electrically connected with；The second floss hole is provided with the roof of the drying chamber, on second floss hole
Provided with the second cover plate.
Further optimally, oxygen jet is provided with the side wall of the incinerator, is provided with the outside of the incinerator
Hyperbaric oxygen gas tank, the oxygen jet are connected by airway tube with hyperbaric oxygen gas tank.
Further optimally, transparent windows are provided with the side wall of the drying chamber.
The beneficial effects of the utility model are：
Heat contained in the waste gas after burning can be utilized, water source is heated, and is played to article drying
Effect, reduces the waste of the energy, suitable for wide popularization and application.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the perspective structure schematic diagram of filtration tank in the utility model.
Fig. 3 is the structural representation of filter in the utility model.
Fig. 4 is the perspective structure schematic diagram of water source Heat Room in the utility model.
Fig. 5 is the perspective structure schematic diagram of drying chamber in the utility model.
In figure, 1, incinerator；11st, smoke-intake pipe；12nd, outlet flue；13rd, oxygen jet；14th, hyperbaric oxygen gas tank；15th, air guide
Pipe；
2nd, filtration tank；21st, support；22nd, smoke inlet；23rd, Z-shaped flue；
3rd, filter；31st, filter；32nd, ceramic filter flaggy；33rd, activated carbon filter layer；34th, soda lime layer；35、
Deflector；36th, gas outlet；37th, Venturi tube；
4th, three-way valve；41st, air inlet；42nd, first row gas port；43rd, second exhaust port；44th, air inlet pipe；45th, first row
Tracheae；46th, second exhaust pipe；
5th, water source Heat Room；51st, heat-insulation layer；52nd, flame retardant coating；53rd, cold water inlet；54th, hot water drainpipe；55th, spiral
Shape metal heat-conducting tube；56th, the first temperature sensor；57th, first flow regulating valve；58th, first discharge port；59th, the first cover plate；
6th, drying chamber；61st, stoving rack；62nd, rotary-tray；63rd, motor；64th, fan；65th, arc wind waveguide plate；66th, second
Temperature sensor；67th, second flow regulating valve；68th, the second floss hole；69th, the second cover plate；
7th, cold water water storehouse；71st, hot water water storehouse；72nd, transparent windows.
Embodiment
For the technical characterstic for illustrating this programme can be understood, below by embodiment, and its accompanying drawing is combined, to this reality
It is described in detail with new.
As Figure 1-Figure 5, present embodiment discloses a kind of waste heat utilization system, including incinerator 1, enterprise can be given birth to
Caused waste gas is burned during production, plays a part of purification.The section shape of the incinerator 1 is trapezoidal, is conveniently burnt
During waste gas after burning is collected at the top of incinerator 1 and discharge.Smoke-intake pipe 11 is provided with the bottom of the incinerator 1, can
Waste gas to be burned is transported in incinerator 1.Outlet flue 12 is provided with the top of the incinerator 1, completes the gas after burning
Body is discharged by outlet flue 12 out of incinerator 1.Filtration tank 2 is provided with the outside of the incinerator 1, can be to the gas after burning
Body carries out filtration treatment.The filtration tank 2 is shaped as cylindrical type, and support 21 is provided with the bottom of the filtration tank 2, to filtering
Tower 2 plays a part of support.Smoke inlet 22 is provided with the side wall of the bottom of filtration tank 2, the smoke inlet 22 passes through Z-shaped cigarette
Road 23 is connected with outlet flue 12, and the gas after burning is discharged from outlet flue 12, defeated by Z-shaped flue 23 and smoke inlet 22
It is sent in filtration tank 2.Gas after burning can slow down flowing velocity, so as to increase in filtration tank when by Z-shaped flue 23
Holdup time in 2, play a part of improving filter effect.
The filter 3 of some vertical directions distribution, the 3 equal position of filter are provided with the inside of the filtration tank 2
In the top of smoke inlet 22, purification filtering can be carried out to the gas for inputting filtration tank 2.The filter 3 includes filter
31, it is sequentially provided with ceramic filter flaggy 32, activated carbon filter layer 33 and soda lime layer 34 from the bottom to top on the filter 31.
Ceramic filter plate has the characteristics of corrosion-resistant, high temperature resistant, long easy cleaning and service life.Can be first by ceramic filter flaggy 32
The impurity in high-temperature gas is first filtered out, then filters the materials such as the sulfur dioxide in gas by activated carbon filter layer 33
Fall, and processing is dried by 34 pairs of gas of soda lime layer, so as to complete the harmless treatment of high-temperature gas.
Deflector 35 is equipped with the both sides of the filter 31, the deflector 35 of the both sides is centered on filter 31
It is symmetric, the efficiency of filtering by gas collection to filter 31, can be improved.It is provided with out at the top of the filtration tank 2
Gas port 36, for the gas after purification filtering to be discharged from filtration tank 2.Venturi tube is provided with the bottom of the gas outlet 36
37, the Venturi tube 37 is located at the top of filter 3, the gas after filtering after Venturi tube 37, can speed up to
The speed of upper flowing, improve the efficiency of gas output.
Three-way valve 4 is provided with the outside of the filtration tank 2, air inlet 41, are respectively equipped with the three-way valve 4
One exhaust outlet 42 and second exhaust port 43.The air inlet 41 is connected by air inlet pipe 44 with gas outlet 36, and filtration tank 2 is discharged
Filtering gas three-way valve 4 is input to by air inlet pipe 44.Water source Heat Room 5 is respectively equipped with the outside of the filtration tank 2
With drying chamber 6, the first row gas port 42 is connected by downtake pipe 45 with water source Heat Room 5；The second exhaust port
43 are connected by second exhaust pipe 46 with drying chamber 6, can be according to using need by first row gas port 42 and second exhaust port 43
Regulating three-way valve door 4 is wanted, the high-temperature gas after filtering is input to water source Heat Room 5 or drying chamber 6, high-temperature gas is filled
Divide and utilize.
It is sequentially provided with heat-insulation layer 51 and flame retardant coating 52, the insulation from outside to inside on the inwall of the water source Heat Room 5
Layer 51 is made up of spun-glass insulation cotton, can play preferable insulation effect to the high-temperature gas for inputting water source Heat Room 5, and
Insulating properties is high, heat resistance is strong, corrosion resistance is good.The flame retardant coating 52 is made up of oxidation aluminium heat insulation material, it is possible to increase water source changes
The resistance to elevated temperatures of the inwall of hot cell 5.
Forward position inside the water source Heat Room 5 is provided with cold water inlet 53, for inputting temperature to be heated
Relatively low water source；Rearward position inside the water source Heat Room 5 is provided with hot water drainpipe 54, and heating is completed for exporting
Water source.Centre position inside the water source Heat Room 5 is provided with some helical metal heat conducting pipes 55, the helical metal
The both ends of heat conducting pipe 55 are connected with cold water inlet 53 and hot water drainpipe 54 respectively, the water source input in cold water inlet 53
Helical metal heat conducting pipe 55, hot water drainpipe 54 is flowed into after being heated by high-temperature gas.High-temperature gas input water source changes
Behind hot cell 5, contained heat energy passes to the relatively low water source of its internal temperature by helical metal heat conducting pipe 55 in gas, passes through
The transmission and exchange of heat energy, raise water temperature, and helical spiral design can increase the contact area of metal heat-conducting tube and high-temperature gas.
Cold water water storehouse 7 and hot water water storehouse 71, the cold water water inlet are respectively equipped with the outside of the water source Heat Room 5
Pipe 53 extends to the outside of water source Heat Room 5 and is connected with cold water water storehouse 7, and it is relatively low that the internal memory of cold water water storehouse 7 contains temperature
Water source, be input in water source Heat Room 5 and heated by cold water inlet 53；The hot water drainpipe 54 extends to water source
The outside of Heat Room 5 is simultaneously connected with hot water water storehouse 71, and the water source after heating is by hot water drainpipe 54 from water source Heat Room 5
Interior outflow, it is input to hot water water storehouse 71 and is stored, for users to use.
The first temperature sensor 56 is provided with the top of the water source Heat Room 5, the temperature in water source Heat Room 5 can be detected
Degree.First flow regulating valve 57 is provided with the downtake pipe 45, the flow velocity of high-temperature gas input can be adjusted.Described
One temperature sensor 56 is electrically connected with first flow regulating valve 57, when the first temperature sensor 56 detects water source Heat Room 5
When interior temperature is less than the numerical value set, first flow regulating valve 57 can be controlled, the flow velocity of increase high-temperature gas input, is ensured
High-temperature gas is fully exchanged heat in water source Heat Room 5.First discharge port is provided with the roof of the water source Heat Room 5
58, the first cover plate 59 is provided with the first discharge port 58, after the heating to water source is completed, the first cover plate 59 is opened, leads to
First discharge port 58 is crossed to discharge the gas for completing thermal energy exchange in water source Heat Room 5.
Centre position inside the drying chamber 6 is provided with stoving rack 61, and rotation is provided with the top of the stoving rack 61
Pallet 62, article to be dried can be placed on rotary-tray 62, be dried by the high-temperature gas of input.Described
The bottom of rotary-tray 62 is provided with motor 63, and the motor 63 is connected with rotary-tray 62, is driven by the operating of motor 63
Rotary-tray 62 rotates, and the article on rotary-tray 62 is fully contacted with high-temperature gas, improves the efficiency of drying.Institute
The inwall for stating the top of drying chamber 6 is provided with fan 64, by the operating of fan 64, can speed up high-temperature gas in drying chamber 6
Circulation.Arc wind waveguide plate 65 is equipped with the anterior inwall with rear portion of the drying chamber 6, high-temperature gas can be reduced and dried
Resistance when being circulated in dry chamber 6, improve drying efficiency.
Second temperature sensor 66, the temperature being able to detect that in drying chamber 6 are provided with the top of the drying chamber 6.
The second exhaust pipe 46 is provided with second flow regulating valve 67, can adjust the flow velocity of high-temperature gas input drying chamber 6.It is described
Second temperature sensor 66 is electrically connected with second flow regulating valve 67, when second temperature sensor 66 is detected in drying chamber 6
Temperature less than setting numerical value when, can control second flow regulating valve 67, the flow velocity of increase high-temperature gas input, ensure high
Wet body is fully dried in drying chamber 6 to article.The second floss hole 68 is provided with the roof of the drying chamber 6,
Second floss hole 68 is provided with the second cover plate 69.After drying chamber 6 completes the drying heating to article, the second cover plate is opened
69, the gas that drying heating is completed in drying chamber 6 is discharged by the second floss hole 68.
As a preferred embodiment, oxygen jet 13 is provided with the side wall of the incinerator 1, in the burning
The outside of stove 1 is provided with hyperbaric oxygen gas tank 14, and the oxygen jet 13 is connected with hyperbaric oxygen gas tank 14 by airway tube 15, passed through
Oxygen is injected into incinerator 1, it is possible to increase the efficiency of combustion of waste gas.
As a preferred embodiment, being provided with transparent windows 72 in the side wall of the drying chamber 6, can facilitate
It was observed that the drying situation of the interior items of drying chamber 6.
To sum up, waste heat utilization system described in the utility model can utilize heat contained in the waste gas after burning, right
Water source is heated, and plays a part of drying article, reduces the waste of the energy.
Part is not described in detail for the utility model, is the known technology of those skilled in the art of the present technique.Finally illustrate, with
Upper embodiment is only to illustrate the technical solution of the utility model and unrestricted, although with reference to preferred embodiment to the utility model
It is described in detail, it will be understood by those within the art that, the technical solution of the utility model can be repaiied
Change or equivalent substitution, without departing from the objective and scope of technical solutions of the utility model, it all should cover in the utility model
Right among.
Claims (3)
1. a kind of waste heat utilization system, including incinerator (1), it is characterised in that：The section shape of the incinerator (1) is ladder
Shape, smoke-intake pipe (11) is provided with the bottom of the incinerator (1), and outlet flue (12) is provided with the top of the incinerator (1)；
The outside of the incinerator (1) is provided with filtration tank (2), and the filtration tank (2) is shaped as cylindrical type；In the filtration tank (2)
Bottom be provided with support (21), be provided with smoke inlet (22) in the side wall of the filtration tank (2) bottom, the smoke inlet (22) is logical
Z-shaped flue (23) is crossed with outlet flue (12) to be connected；
The filter (3) of some vertical directions distribution is provided with the inside of the filtration tank (2), the filter (3) is equal
Positioned at the top of smoke inlet (22)；The filter (3) includes filter (31), on the filter (31) from the bottom to top
It is sequentially provided with ceramic filter flaggy (32), activated carbon filter layer (33) and soda lime layer (34)；The two of the filter (31)
Side is equipped with deflector (35), and the deflector (35) of the both sides is symmetric centered on filter (31)；In the mistake
The top of filter tower (2) is provided with gas outlet (36)；Venturi tube (37), the venturi are provided with the bottom of the gas outlet (36)
Pipe (37) is located at the top of filter (3)；
Three-way valve (4) is provided with the outside of the filtration tank (2), air inlet is respectively equipped with the three-way valve (4)
(41), first row gas port (42) and second exhaust port (43)；The air inlet (41) passes through air inlet pipe (44) and gas outlet (36)
It is connected；Water source Heat Room (5) and drying chamber (6), the first row gas port are respectively equipped with the outside of the filtration tank (2)
(42) it is connected by downtake pipe (45) with water source Heat Room (5), the second exhaust port (43) passes through second exhaust pipe
(46) it is connected with drying chamber (6)；
Heat-insulation layer (51) and flame retardant coating (52), the guarantor are sequentially provided with from outside to inside on the inwall of the water source Heat Room (5)
Warm layer (51) is made up of spun-glass insulation cotton, and the flame retardant coating (52) is made up of oxidation aluminium heat insulation material；Changed at the water source
The internal forward position in hot cell (5) is provided with cold water inlet (53), is provided with the internal rearward position of the water source Heat Room (5)
Hot water drainpipe (54), some helical metal heat conducting pipes (55) are provided with the internal centre position of the water source Heat Room (5),
The both ends of the helical metal heat conducting pipe (55) are connected with cold water inlet (53) and hot water drainpipe (54) respectively；Institute
The outside for stating water source Heat Room (5) is respectively equipped with cold water water storehouse (7) and hot water water storehouse (71), the cold water inlet (53)
Extend to the outside of water source Heat Room (5) and be connected with cold water water storehouse (7), the hot water drainpipe (54) extends to water source
The outside of Heat Room (5) is simultaneously connected with hot water water storehouse (71)；The first temperature is provided with the top of the water source Heat Room (5)
Sensor (56), first flow regulating valve (57), first temperature sensor are provided with the downtake pipe (45)
(56) it is electrically connected with first flow regulating valve (57)；First discharge port is provided with the roof of the water source Heat Room (5)
(58) the first cover plate (59), is provided with the first discharge port (58)；
Stoving rack (61) is provided with the internal centre position of the drying chamber (6), rotation is provided with the top of the stoving rack (61)
Asked disk (62), and motor (63), the motor (63) and rotary-tray (62) phase are provided with the bottom of the rotary-tray (62)
Connection；Fan (64) is provided with the inwall at the top of the drying chamber (6), in the anterior inwall with rear portion of the drying chamber (6)
On be equipped with arc wind waveguide plate (65)；Second temperature sensor (66) is provided with the top of the drying chamber (6), described second
Blast pipe (46) is provided with second flow regulating valve (67), the second temperature sensor (66) and second flow regulating valve (67)
It is electrically connected with；The second floss hole (68) is provided with the roof of the drying chamber (6), is provided with second floss hole (68)
Second cover plate (69).
2. waste heat utilization system according to claim 1, it is characterised in that：It is provided with the side wall of the incinerator (1)
Oxygen jet (13), hyperbaric oxygen gas tank (14) is provided with the outside of the incinerator (1), the oxygen jet (13) passes through air guide
Pipe (15) is connected with hyperbaric oxygen gas tank (14).
3. waste heat utilization system according to claim 1, it is characterised in that：It is provided with the side wall of the drying chamber (6)
Transparent windows (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721083756.2U CN207112835U (en) | 2017-08-28 | 2017-08-28 | A kind of waste heat utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721083756.2U CN207112835U (en) | 2017-08-28 | 2017-08-28 | A kind of waste heat utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207112835U true CN207112835U (en) | 2018-03-16 |
Family
ID=61577907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721083756.2U Active CN207112835U (en) | 2017-08-28 | 2017-08-28 | A kind of waste heat utilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207112835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781375A (en) * | 2020-12-23 | 2021-05-11 | 合肥恒力装备有限公司 | Energy-conserving exhaust purification integral type fritting furnace structure |
-
2017
- 2017-08-28 CN CN201721083756.2U patent/CN207112835U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781375A (en) * | 2020-12-23 | 2021-05-11 | 合肥恒力装备有限公司 | Energy-conserving exhaust purification integral type fritting furnace structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101921604A (en) | Dry distillation charring method for bamboos | |
| CN103557517B (en) | The method and apparatus of living beings second pyrolysis | |
| CN206430171U (en) | A kind of thermal accumulating incinerator with residual heat recovery | |
| CN108679618A (en) | A kind of vertical waste incinerator | |
| CN206478864U (en) | A kind of multi fuel high-efficiency cleaning condensing combustion stove | |
| CN207112835U (en) | A kind of waste heat utilization system | |
| CN106679174A (en) | High-temperature hot blast stove | |
| CN107477602A (en) | A kind of small-sized domestic garbage pyrolysis gasification fume afterheat gradient utilization system | |
| CN108059162A (en) | Saturated activity charcoal generating apparatus again | |
| CN107218624A (en) | Faggot water heater | |
| CN207815715U (en) | A kind of miniature boiler of energy-saving and emission-reduction | |
| CN208011748U (en) | It is a kind of to be used to purify the device that low-temp methanol washes CO2 exhaust gas | |
| CN208365552U (en) | A kind of weary oxygen high concentration VOC processing system | |
| CN203382777U (en) | Hot-blast furnace | |
| CN103353168B (en) | A kind of biological particle hot air furnace | |
| CN201503128U (en) | Multi-functional energy-saving furnace with reverse oxygen supply | |
| CN107559889A (en) | Energy-saving heater | |
| CN201215384Y (en) | Coal boiler without smoke | |
| CN207378870U (en) | Energy-saving heater | |
| CN208457974U (en) | A kind of vertical waste incinerator | |
| CN207622040U (en) | A kind of small-sized domestic garbage pyrolysis gasification fume afterheat gradient utilization system | |
| CN203687019U (en) | Biomass secondary cracking device | |
| CN208620394U (en) | A kind of gas fired-boiler of novel energy-saving emission-reducing | |
| CN106195981A (en) | Integration steam hot wind hot water multipurpose furnace device systems | |
| CN207778789U (en) | A kind of small-sized residual heat insulation formula energy-saving heating boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |