CN206019009U - A kind of hot water component for improving heat transfer efficiency - Google Patents
A kind of hot water component for improving heat transfer efficiency Download PDFInfo
- Publication number
- CN206019009U CN206019009U CN201620982461.8U CN201620982461U CN206019009U CN 206019009 U CN206019009 U CN 206019009U CN 201620982461 U CN201620982461 U CN 201620982461U CN 206019009 U CN206019009 U CN 206019009U
- Authority
- CN
- China
- Prior art keywords
- heat
- conducting oil
- oil pipes
- boiler
- pipe
- 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
Abstract
The utility model discloses a kind of hot water component for improving heat transfer efficiency, including boiler, burning stove and for the fume pipe of stove smoke evacuation of burning, also include that, for containing the heat-conducting oil pipes of conduction oil, the heat-conducting oil pipes are annulus line, and the heat-conducting oil pipes are through boiler and fume pipe；Also include that at least two expansion joints, the expansion joint are series on heat-conducting oil pipes, and on the heat-conducting oil pipes outside the heat-conducting oil pipes inside boiler, boiler, be provided with least one expansion joint；Also include the circulating pump for driving conduction oil in heat-conducting oil pipes to circulate；Also include the fuel reserve tank being connected by pipeline with heat-conducting oil pipes.When this component can solve to heat water as thermal source using straw, the problem of easy fouling on the heating surface of water, while this component heat transfer efficiency is high.
Description
Technical field
This utility model is related to fluid heating technical field, more particularly to a kind of hot water for improving heat transfer efficiency
Component.
Background technology
Hot water is requisite domestic water in people's daily life, in prior art, the water heater of combustion gas form, electricity
Water heater, solar water heater are acquisition hot water and provide efficiently approach.
Nowadays, agricultural crop straw, the combustion technology of tree limb are developed, and occur in that following in prior art
Combustion technology：Straw and branch are first inserted in primary fuel thorax and is burnt, by controlling the air inlet amount of primary fuel thorax, made
Contain a large amount of fuel gas in primary fuel thorax institute smoke discharging, above fuel gas is used for burning next time, so, due to can
Combustion gas combustion produces less harmful substance, and this causes this combustion technology compared to traditional combustion system, not only has more
The advantage of environmental protection, while can be by the above fuel gas of pipeline, to facilitate the position of arrangement hot spot.
With further enhancing for environmental consciousness, the straw of gained during proportion of crop planting is made full use of, right to reduce
The dependency of Fossil fuel, is important directions of existing energy field development.
Utility model content
This utility model provides a kind of hot water component for improving heat transfer efficiency, and the hot-water heating system is used for obtaining hot water,
When can solve to heat water as thermal source using straw, the problem of easy fouling on the heating surface of water.
A kind of hot water component for improving heat transfer efficiency that this utility model is provided solves to ask by following technical essential
Topic：A kind of hot water component for improving heat transfer efficiency, the fume pipe including boiler, burning stove and for stove smoke evacuation of burning, also
Including for containing the heat-conducting oil pipes of conduction oil, the heat-conducting oil pipes are annulus line, the heat-conducting oil pipes through boiler and
Fume pipe；
Also include that at least two expansion joints, the expansion joint are series on heat-conducting oil pipes, and the conduction oil inside boiler
At least one expansion joint is provided with heat-conducting oil pipes outside pipe, boiler；
Also include the circulating pump for driving conduction oil in heat-conducting oil pipes to circulate；
Also include that the fuel reserve tank being connected with heat-conducting oil pipes above heat-conducting oil pipes and by pipeline, the fuel reserve tank are
Open-top receptacle, pipeline are located on the bottom surface of fuel reserve tank with the junction point of fuel reserve tank, and pipeline is located at the junction point of heat-conducting oil pipes and is led
The peak of deep fat pipe.
Specifically, above burning stove is used for the burning of straw class A fuel A, and produced high-temperature flue gas are discharged by fume pipe；Lead
Through boiler and fume pipe, as on heat-conducting oil pipes, through boiler, some pipeline section is passed through some pipeline section deep fat pipe
Fume pipe is crossed, so, heat-conducting oil pipes are located at the part in fume pipe for endotherm section, and heat-conducting oil pipes are located at the part in boiler
For heat release section；In the presence of circulating pump, the conduction oil in heat-conducting oil pipes is circulated, during circulating, by heat
Water is heated by bringing in boiler in fume pipe.
In this component, due to having used conduction oil as intermediate heat element, due to the specific heat ratio flue gas of conduction oil
Greatly, therefore directly flue gas is exchanged heat with water compared to tradition, in the form of increasing water temperature, water is lower by temperature at focus, therefore
Water can be effectively improved by the fouled condition at focus, this causes the boiler in this component directly can be connected with running water system,
After a long time use, the heat exchange efficiency of heat-conducting oil pipes and water in boiler also can effectively ensure that；Compared to traditional scheme, due to
In heat-conducting oil pipes, oil temperature is more directly lower with flue gas temperature, therefore this component is low to the Themotalerance requirement of circulating pump；In heat
After the outlet of water tank is closed, equivalent to the pressure in boiler with tap water pipe network, so, heat-conducting oil pipes are located at hot water
Part in case is directly heated form compared to traditional flue gas by external pressure, due to the temperature of heat-conducting oil pipes lower, therefore this component
Hot fluid pipeline strength and stiffness in boiler are required lower；Because there is cold conditions and heat in use in heat-conducting oil pipes
Two states of state, therefore the heat that the expansion joint arranged in this component can be produced during effectively reducing heat-conducting oil pipes use thereon should
Power.
The fuel reserve tank of arrangement above is used as storage conduction oil, i.e., this component operation when, in fuel reserve tank, heat-conducting oil pipes, pipe
There is conduction oil in road.Fuel reserve tank is set to the setting of open-top receptacle above, can cause to pass through pipe during conduction oil expanded by heating
Road is poured in in fuel reserve tank, meanwhile, when conduction oil cooling volume bounces back, the conduction oil in above fuel reserve tank can be to heat-conducting oil pipes
Conduction oil supplement is carried out, so that heat-conducting oil pipes are worked all the time at a particular pressure, beneficial to the safe and reliable of heat-conducting oil pipes work
Property；The peak that the junction point of pipeline and heat-conducting oil pipes is arranged on heat-conducting oil pipes, so, separates out in the conduction oil course of work
Gas can be discharged by fuel reserve tank in approach pipeline under buoyancy in the peak through heat-conducting oil pipes, so, above pipeline
And fuel reserve tank can cause that conduction oil is full to be filled in heat-conducting oil pipes, beneficial to the heat exchange efficiency of heat-conducting oil pipes and water.
Further technical scheme is：
Due to boiler be connected to running water pipe online when, equivalent to for an internal pressure vessel, be so that boiler has
More preferable compressive property, the boiler include the stack shell of cylindrical shape and are individually fixed in the end socket at stack shell difference end, the envelope
Head is hemispherical head or ellipsoidal head.
For ease of being installed to heat-conducting oil pipes in boiler and being safeguarded, one of end socket is connected with stack shell flange,
Another end socket is welded to connect with stack shell.
As the density of the higher water of the temperature water low compared with temperature is little, be ensure as far as possible by the water that boiler is discharged be
Hot water, is also associated with water inlet pipe and outlet pipe on the boiler, the water inlet pipe is located at boiler not respectively with outlet pipe
With end, and outlet pipe is connected to the upper end of boiler, and water inlet pipe is connected to the lower end of boiler.
For so that the lower water of temperature in boiler is enough with the more preferable water energy of temperature is sufficiently mixed under the power of water inlet,
The heat transfer being beneficial between water and conduction oil, also includes that the deflection plate being arranged in boiler, the deflection plate are located at boiler
Between upper water inlet pipe mouth and effluent pipe mouth.
For so that endotherm section and heat release section are respectively provided with larger heat exchange area on heat-conducting oil pipes, being easy to manufacture as one kind
Form, the heat-conducting oil pipes are located at the part in boiler and the part in fume pipe in coil-like.
For reducing heat loss, the boiler, the outside wall surface of smoke exhaust pipe are enclosed with heat-insulation layer, and the heat-conducting oil pipes are exposed to
Heat-insulation layer is enclosed with part outside boiler and Gas Pipe.
Used as a kind of heat-conducting oil pipes way of realization of good heat conductivity, the heat-conducting oil pipes are copper pipe.
Used as the implementation of circulating pump, the circulating pump is the axial-flow pump being installed in heat-conducting oil pipes, and heat-conducting oil pipes are used
It is located in front of the outlet side of axial-flow pump in the pipeline section for absorbing flue gas heat, the pipeline section that heat-conducting oil pipes are used for discharging heat to water is located at
The entrance side rear of axial-flow pump.In this case, the conduction oil due to flowing through axial-flow pump have passed through heat-conducting oil pipes heat release section, and conduction oil
Decalescence point in the front of axial-flow pump, therefore this programme can cause axial-flow pump to be operated in a relatively low temperature environment.
This utility model has the advantages that：
In this component, due to having used conduction oil as intermediate heat element, due to the specific heat ratio flue gas of conduction oil
Greatly, therefore directly flue gas is exchanged heat with water compared to tradition, in the form of increasing water temperature, water is lower by temperature at focus, therefore
Water can be effectively improved by the fouled condition at focus, this causes the boiler in this component directly can be connected with running water system,
After a long time use, the heat exchange efficiency of heat-conducting oil pipes and water in boiler also can effectively ensure that；Compared to traditional scheme, due to
In heat-conducting oil pipes, oil temperature is more directly lower with flue gas temperature, therefore this component is low to the Themotalerance requirement of circulating pump；In heat
After the outlet of water tank is closed, equivalent to the pressure in boiler with tap water pipe network, so, heat-conducting oil pipes are located at hot water
Part in case is directly heated form compared to traditional flue gas by external pressure, due to the temperature of heat-conducting oil pipes lower, therefore this component
Hot fluid pipeline strength and stiffness in boiler are required lower；Because there is cold conditions and heat in use in heat-conducting oil pipes
Two states of state, therefore the heat that the expansion joint arranged in this component can be produced during effectively reducing heat-conducting oil pipes use thereon should
Power.
The fuel reserve tank of arrangement above is used as storage conduction oil, i.e., this component operation when, in fuel reserve tank, heat-conducting oil pipes, pipe
There is conduction oil in road.Fuel reserve tank is set to the setting of open-top receptacle above, can cause to pass through pipe during conduction oil expanded by heating
Road is poured in in fuel reserve tank, meanwhile, when conduction oil cooling volume bounces back, the conduction oil in above fuel reserve tank can be to heat-conducting oil pipes
Conduction oil supplement is carried out, so that heat-conducting oil pipes are worked all the time at a particular pressure, beneficial to the safe and reliable of heat-conducting oil pipes work
Property；The peak that the junction point of pipeline and heat-conducting oil pipes is arranged on heat-conducting oil pipes, so, separates out in the conduction oil course of work
Gas can be discharged by fuel reserve tank in approach pipeline under buoyancy in the peak through heat-conducting oil pipes, so, above pipeline
And fuel reserve tank can cause that conduction oil is full to be filled in heat-conducting oil pipes, beneficial to the heat exchange efficiency of heat-conducting oil pipes and water.
Description of the drawings
Fig. 1 is a kind of structure of one specific embodiment of hot water component for improving heat transfer efficiency described in the utility model
Schematic diagram.
Numbering in figure is followed successively by：1st, boiler, 2, heat-conducting oil pipes, 21, fuel reserve tank, 22, pipeline, 3, expansion joint, 4, follow
Ring pump, 5, fume pipe, 6, burning stove.
Specific embodiment
With reference to embodiment, the utility model is described in further detail, but structure of the present utility model is not only
It is limited to following examples.
Embodiment 1：
As shown in figure 1, a kind of hot water component for improving heat transfer efficiency, including boiler 1, burning stove 6 and is used for burning
The fume pipe 5 of stove smoke evacuation, also includes that the heat-conducting oil pipes 2 are annulus line, described for containing the heat-conducting oil pipes 2 of conduction oil
Heat-conducting oil pipes 2 are through boiler 1 and fume pipe 5；
Also include at least two expansion joints 3, the expansion joint 3 is series on heat-conducting oil pipes 2, and leading inside boiler 1
At least one expansion joint 3 is provided with heat-conducting oil pipes 2 outside deep fat pipe 2, boiler 1；
Also include for driving the circulating pump 4 that conduction oil is circulated in heat-conducting oil pipes 2；
Also include the fuel reserve tank 21 being connected above heat-conducting oil pipes 2 and by pipeline 22, the storage with heat-conducting oil pipes 2
Fuel tank 21 is open-top receptacle, and pipeline 22 is located on the bottom surface of fuel reserve tank 21 with the junction point of fuel reserve tank 21, pipeline 22 and conduction oil
The junction point of pipe 2 is located at the peak of heat-conducting oil pipes 2.
Specifically, above burning stove 6 is used for the burning of straw class A fuel A, and produced high-temperature flue gas are discharged by fume pipe 5；
Heat-conducting oil pipes 2 through boiler 1 and fume pipe 5, as on heat-conducting oil pipes 2 some pipeline section through boiler 1, some
Through fume pipe 5, so, it is endotherm section that heat-conducting oil pipes 2 are located at the part in fume pipe 5 to pipeline section, and heat-conducting oil pipes 2 are positioned at hot water
Part in case 1 is heat release section；In the presence of circulating pump 4, the conduction oil in heat-conducting oil pipes 2 is circulated, when circulating
During, heat is heated to water by bringing in boiler 1 in fume pipe 5.
In this component, due to having used conduction oil as intermediate heat element, due to the specific heat ratio flue gas of conduction oil
Greatly, therefore directly flue gas is exchanged heat with water compared to tradition, in the form of increasing water temperature, water is lower by temperature at focus, therefore
Water can be effectively improved by the fouled condition at focus, this causes the boiler 1 in this component directly can be connected with running water system,
After a long time use, the heat exchange efficiency of heat-conducting oil pipes 2 and water in boiler 1 also can effectively ensure that；Compared to traditional scheme, by
In heat-conducting oil pipes 2, oil temperature is more directly lower with flue gas temperature, therefore this component is low to the Themotalerance requirement of circulating pump 4；
After the outlet of boiler 1 is closed, equivalent to the pressure in boiler 1 with tap water pipe network, so, heat-conducting oil pipes 2
The part in boiler 1 is located at by external pressure, form is directly heated compared to traditional flue gas, due to heat-conducting oil pipes 2 temperature more
Low, therefore this component is lower to the hot fluid pipeline strength and stiffness requirement in boiler 1；As heat-conducting oil pipes 2 are using process
In there is cold conditions and hot two states, therefore during the expansion joint 3 arranged in this component can effectively reduce by 2 use of heat-conducting oil pipes
The thermal stress for producing thereon.
The fuel reserve tank 21 of arrangement above is used as storage conduction oil, i.e., this component operation when, in fuel reserve tank 21, heat-conducting oil pipes
2nd, there is conduction oil in pipeline 22.Fuel reserve tank 21 is set to the setting of open-top receptacle above, conduction oil expanded by heating can be caused
When poured in in fuel reserve tank 21 by pipeline 22, meanwhile, conduction oil cooling volume bounce back when, the heat conduction in above fuel reserve tank 21
Oil can carry out conduction oil supplement to heat-conducting oil pipes 2, so that heat-conducting oil pipes 2 are worked all the time at a particular pressure, beneficial to conduction oil
The security reliability of the work of pipe 2；The peak that the junction point of pipeline 22 and heat-conducting oil pipes 2 is arranged on heat-conducting oil pipes 2, so,
The gas separated out in the conduction oil course of work, can be in approach pipeline 22 under buoyancy, by storing up in the peak through heat-conducting oil pipes 2
Discharge in fuel tank 21, so, above pipeline 22 and fuel reserve tank 21 can cause that conduction oil is full to be filled in heat-conducting oil pipes 2, profit
In heat-conducting oil pipes 2 and the heat exchange efficiency of water.
Embodiment 2：
As shown in figure 1, the present embodiment is further qualified on the basis of embodiment 1：As boiler 1 is connected to originally
When on grid, equivalent to for an internal pressure vessel, being so that there is boiler 1 more preferable compressive property, the boiler 1 to wrap
The stack shell for including cylindrical shape and the end socket for being individually fixed in stack shell difference end, the end socket is hemispherical head or ellipsoidal head.
For ease of being installed to heat-conducting oil pipes 2 in boiler 1 and being safeguarded, one of end socket is connected with stack shell flange
Connect, another end socket is welded to connect with stack shell.
As the density of the higher water of the temperature water low compared with temperature is little, it is the water for ensureing as far as possible to be discharged by boiler 1
For hot water, water inlet pipe and outlet pipe on the boiler 1, is also associated with, the water inlet pipe is located at boiler 1 respectively with outlet pipe
Different ends, and outlet pipe is connected to the upper end of boiler 1, and water inlet pipe is connected to the lower end of boiler 1.
For so that the lower water of temperature in boiler 1 is enough with the more preferable water energy of temperature fully mixes under the power of water inlet
Close, the heat transfer being beneficial between water and conduction oil, also include that the deflection plate being arranged in boiler 1, the deflection plate are located at heat
On water tank 1 between water inlet pipe mouth and effluent pipe mouth.
For so that endotherm section and heat release section are respectively provided with larger heat exchange area on heat-conducting oil pipes 2, being easy to make as one kind
The form that makes, the heat-conducting oil pipes 2 are located at the part in boiler 1 and the part in fume pipe 5 in coil-like.
For reducing heat loss, the outside wall surface of the boiler 1, smoke exhaust pipe is enclosed with heat-insulation layer, and the heat-conducting oil pipes 2 are exposed
Heat-insulation layer is enclosed with the part outside boiler 1 with Gas Pipe.
Used as a kind of 2 way of realization of heat-conducting oil pipes of good heat conductivity, the heat-conducting oil pipes 2 are copper pipe.
Used as the implementation of circulating pump 4, the circulating pump 4 is the axial-flow pump that is installed in heat-conducting oil pipes 2, heat-conducting oil pipes
2 pipeline sections for being used for absorbing flue gas heat are located in front of the outlet side of axial-flow pump, and heat-conducting oil pipes 2 are used for the pipeline section for discharging heat to water
It is located at the entrance side rear of axial-flow pump.In this case, the conduction oil due to flowing through axial-flow pump have passed through 2 heat release section of heat-conducting oil pipes, and
The decalescence point of conduction oil is in the front of axial-flow pump, therefore this programme can cause axial-flow pump to be operated in a relatively low temperature environment.
Above content is the further description that this utility model is made with reference to specific preferred implementation, it is impossible to recognize
Fixed specific embodiment of the present utility model is confined to these explanations.Common skill for this utility model art
For art personnel, the other embodiment that draws under without departing from the technical solution of the utility model should be included in this practicality
In new protection domain.
Claims (9)
1. a kind of hot water component for improving heat transfer efficiency, including boiler（1）, burning stove（6）And for the stove that burns（6）Smoke evacuation
Fume pipe（5）, it is characterised in that also include for containing the heat-conducting oil pipes of conduction oil（2）, the heat-conducting oil pipes（2）For ring
Shape pipeline, the heat-conducting oil pipes（2）Through boiler（1）And fume pipe（5）；
Also include at least two expansion joints（3）, the expansion joint（3）It is series at heat-conducting oil pipes（2）On, and boiler（1）Internal
Heat-conducting oil pipes（2）, boiler（1）Outside heat-conducting oil pipes（2）On be provided with least one expansion joint（3）；
Also include for driving heat-conducting oil pipes（2）The circulating pump that middle conduction oil is circulated（4）；
Also include positioned at heat-conducting oil pipes（2）Top and pass through pipeline（22）With heat-conducting oil pipes（2）Connected fuel reserve tank（21）, institute
State fuel reserve tank（21）For open-top receptacle, pipeline（22）With fuel reserve tank（21）Junction point be located at fuel reserve tank（21）Bottom surface on, pipe
Road（22）With heat-conducting oil pipes（2）Junction point be located at heat-conducting oil pipes（2）Peak.
2. a kind of hot water component for improving heat transfer efficiency according to claim 1, it is characterised in that the boiler
（1）Including cylindric stack shell and the end socket at stack shell difference end is individually fixed in, the end socket is hemispherical head or ellipse
End socket.
3. a kind of hot water component for improving heat transfer efficiency according to claim 1, it is characterised in that one of end socket
It is connected with stack shell flange, another end socket is welded to connect with stack shell.
4. a kind of hot water component for improving heat transfer efficiency according to claim 1, it is characterised in that the boiler
（1）On be also associated with water inlet pipe and outlet pipe, the water inlet pipe is located at the different ends of boiler, and outlet pipe respectively from outlet pipe
It is connected to boiler（1）Upper end, water inlet pipe is connected to boiler（1）Lower end.
5. a kind of hot water component for improving heat transfer efficiency according to claim 4, it is characterised in that also include being arranged at
Boiler（1）In deflection plate, the deflection plate be located at boiler（1）Between upper water inlet pipe mouth and effluent pipe mouth.
6. a kind of hot water component for improving heat transfer efficiency according to claim 1, it is characterised in that the heat-conducting oil pipes
（2）It is located at boiler（1）In part and be located at fume pipe（5）In part in coil-like.
7. a kind of hot water component for improving heat transfer efficiency according to claim 1, it is characterised in that the boiler
（1）, fume pipe（5）Outside wall surface be enclosed with heat-insulation layer, the heat-conducting oil pipes（2）It is exposed to boiler（1）With Gas Pipe（5）It
Heat-insulation layer is enclosed with outer part.
8. a kind of hot water component for improving heat transfer efficiency according to claim 1, it is characterised in that the heat-conducting oil pipes
（2）For copper pipe.
9. a kind of hot water component for improving heat transfer efficiency according to claim 1, it is characterised in that the circulating pump
（4）For being installed on heat-conducting oil pipes（2）Interior axial-flow pump, heat-conducting oil pipes（2）Axial-flow pump is located at for absorbing the pipeline section of flue gas heat
Outlet side in front of, heat-conducting oil pipes（2）Be located at the entrance side rear of axial-flow pump for the pipeline section of heat is discharged to water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620982461.8U CN206019009U (en) | 2016-08-30 | 2016-08-30 | A kind of hot water component for improving heat transfer efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620982461.8U CN206019009U (en) | 2016-08-30 | 2016-08-30 | A kind of hot water component for improving heat transfer efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206019009U true CN206019009U (en) | 2017-03-15 |
Family
ID=58254505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620982461.8U Expired - Fee Related CN206019009U (en) | 2016-08-30 | 2016-08-30 | A kind of hot water component for improving heat transfer efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206019009U (en) |
-
2016
- 2016-08-30 CN CN201620982461.8U patent/CN206019009U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102967080B (en) | Thermal power system with complementation between solar energy and biomass energy | |
| CN106123315A (en) | A kind of waste heat recovering energy conserving boiler | |
| CN110285468A (en) | A kind of family biological particles heating stove flue gas waste heat recovery domestic hot-water supply system | |
| CN204006256U (en) | A kind of solar energy, biogas associating heat pump double source heating system | |
| CN100594338C (en) | Minitype household power generation coal furnace for cooking and warming | |
| CN206019009U (en) | A kind of hot water component for improving heat transfer efficiency | |
| CN206191626U (en) | Kitchen flue gas waste heat utilization equipment | |
| CN206019006U (en) | A kind of hot-water heating system | |
| CN206037418U (en) | Long service life's water heating device | |
| CN206449853U (en) | A kind of reversed flow type heat pipe normal-pressure hot-water boiler | |
| CN205279158U (en) | But multi -functional energy -saving stove of make full use of waste heat | |
| CN205402668U (en) | It discharges fume waste heat recovery and utilizes system to use biomass briquette fuel heat carrier heater | |
| CN206019007U (en) | A kind of Smoke-heating device | |
| CN201028494Y (en) | Environment-friendly energy-saving boiler group | |
| CN106196608A (en) | A kind of flue gas is used to carry out the device heated | |
| CN106196610A (en) | A kind of water heating assembly improving heat transfer efficiency | |
| CN207849538U (en) | A kind of internal heat type heating system of environmental protection and energy saving | |
| CN206771297U (en) | A kind of energy-saving environment protection steam boiler | |
| CN106288389A (en) | A kind of water heating system | |
| CN205782807U (en) | Environmental protection energy-saving horizontal type gas steam generator | |
| CN207186511U (en) | A kind of seafood steam cabinet | |
| CN204063259U (en) | A kind of energy-saving hot blast furnace | |
| CN110848098A (en) | Biogas-tower type photo-thermal complementary power generation system | |
| CN204943862U (en) | A kind of gasifier section | |
| CN108332227A (en) | Cold ground agriculture residence fume afterheat collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20170830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |