CN211119818U - Central gas warm air furnace system - Google Patents
Central gas warm air furnace system Download PDFInfo
- Publication number
- CN211119818U CN211119818U CN201922114500.9U CN201922114500U CN211119818U CN 211119818 U CN211119818 U CN 211119818U CN 201922114500 U CN201922114500 U CN 201922114500U CN 211119818 U CN211119818 U CN 211119818U
- Authority
- CN
- China
- Prior art keywords
- air
- gas
- heat exchanger
- outlet
- air outlet
- 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
Images
Abstract
The utility model belongs to the air conditioning equipment field, concretely relates to central gas warm-air furnace system, including the warm-air furnace, air purifier, humidifier, indoor air outlet, indoor return air inlet, the air outlet of warm-air furnace passes through the air intake connection of pipeline with the humidifier, and the air outlet of humidifier passes through the blast pipe and is connected with indoor air outlet, and the air intake connection of return air pipe and air purifier is passed through to the indoor return air inlet that corresponds with indoor air outlet, and air purifier's air outlet passes through the air intake connection of pipeline with the warm-air furnace, and the warm-air furnace, humidifier, indoor air outlet, indoor return air inlet, air purifier pass through the tube coupling and become circulation circuit. The utility model has the advantages of multiple functions, stable and reliable work and flexible and convenient use. The utility model discloses can realize functions such as heating, refrigeration, ventilation, air purification, air humidification, can satisfy the needs in places such as family, school, mill, office building, vegetable greenhouse, hotel, greenhouse breed.
Description
Technical Field
The utility model belongs to the air conditioning equipment field, concretely relates to central gas warm braw stove system.
Background
With the enhancement of environmental awareness of the nation and people, heating in places such as families, schools, factories, office buildings, vegetable greenhouses, hotels, greenhouse cultivation and the like is gradually changed from a coal-based heating mode to use clean energy such as natural gas, liquefied gas, electric power, solar energy, wind energy and the like. The heating system in the prior place has the defects of low initial heating speed, long temperature rise time, low efficiency and no energy conservation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a central gas heater system, it uses natural gas or liquefied gas as the main energy, adopts the dry-type heating mode, heats the heat exchanger through gas combustion, need not to add water or other media, makes the heat enter into the equipment bin, and then connects the tuber pipe to the room of heating through the fan, makes the hot-air enter the room of heating fast, and the temperature rise time is short, reaches the quick heating effect; two-stage heat exchange is adopted, the heat efficiency is up to 98%, and the energy is saved and the environment is protected.
The utility model discloses a realize through following technical scheme:
the central gas heating furnace system comprises a heating furnace, an air purifier, a humidifier, an indoor air outlet and an indoor air return port, wherein the air outlet of the heating furnace is connected with the air inlet of the humidifier through a pipeline, the air outlet of the humidifier is connected with the indoor air outlet through an air supply pipe, the indoor air return port corresponding to the indoor air outlet is connected with the air inlet of the air purifier through an air return pipe, the air outlet of the air purifier is connected with the air inlet of the heating furnace through a pipeline, and the heating furnace, the humidifier, the indoor air outlet, the indoor air return port and the air purifier are connected into a circulation loop through pipelines.
The utility model discloses an air outlet output of warm braw mouth is hot-blast, delivers to indoorly through indoor air outlet after the humidifier humidification, and indoor inside air returns the warm braw stove after air purifier purifies through indoor air outlet, and above-mentioned in-process air circulation flows the heating, reaches quick heating effect.
Further, the utility model discloses still be equipped with refrigerator and surface cooler, the surface cooler is installed between warm braw stove and humidifier, the refrigerant export of refrigerator and the refrigerant entry linkage of surface cooler, the refrigerant export of surface cooler and the refrigerant access connection of refrigerator, the air outlet of warm braw stove and the air intake connection of surface cooler, the air outlet of surface cooler and the air intake connection of humidifier.
The utility model discloses can also realize the refrigeration function, when using the refrigeration function, the warm braw stove only main blower starts, and the natural wind that the air outlet produced cools down behind the surface cooler and forms cold wind, and cold wind delivers to indoorly through indoor air outlet after the humidifier humidification, and indoor inside air passes through indoor air outlet and returns the warm braw stove after air purifier purifies, and the cooling of above-mentioned in-process air circulation flow reaches rapid cooling effect.
The utility model discloses can also realize ventilation function, only the main blower of warm braw stove start can.
The utility model discloses set up humidity transducer indoor, when the indoor environment is dry, when can not reach the humidity requirement, humidity transducer signals, the humidification function can be opened automatically to the humidifier. The utility model discloses a humidity transducer and humidifier are the mature commercial product of prior art.
The utility model discloses a warm braw stove is connected with air purifier, carries out 99% filtration to air pollutants such as dust, peculiar smell, haze. The utility model discloses an air purifier is board-like air cleaner combination, puts the order and is well effect filter (1-5um), activated carbon filter two-stage.
The utility model discloses at the indoor location temperature controller, the on, the close of adjusting device to and the function control such as the regulation of temperature, humidity, the inside integrated humidity transducer of temperature controller supports intelligent house thing networked control, anytime and anywhere realizes remote control. The air conditioner remote intelligent monitoring controller is a product in the prior art, such as a controller which is preferably but not limited to a controller disclosed by patent technology of China patent office 2017, 3, month 22, publication number CN106527282A and name common air conditioner remote intelligent monitoring controller.
Further, the utility model discloses a warm braw stove includes the casing, and casing bottom side is equipped with the air intake, and the upper end is equipped with the air outlet, and the bottom is equipped with main fan in the casing, and main fan's top is equipped with second grade heat exchanger and one-level heat exchanger in proper order, and second grade heat exchanger and one-level heat exchanger's tube side communicate with each other, and one-level heat exchanger's tube side entrance is equipped with combustor group, and the flame outlet of combustor group and one-level heat exchanger's tube side entry linkage, and second grade heat exchanger's tube side.
The utility model discloses an air intake of warm braw stove is located casing lower part one side, and its specific opening direction is confirmed according to the installation site environment, can open at the lower part left and right both sides of casing or at the back.
The utility model discloses a when warm braw stove sent out the hot-blast, wind gets into the casing from the air intake under the effect of main blower inside, through main blower, second grade heat exchanger (shell side), one-level heat exchanger (shell side) in proper order, and hot-blast follow upper end air outlet and see off.
Further, the utility model discloses a second grade heat exchanger's tube side exit is equipped with the flue gas and collects the box, and the box is collected to the flue gas and is equipped with combustion fan, and combustion fan's air outlet and flue are connected.
The utility model discloses a box is collected to flue gas's effect: firstly, collecting flue gas and discharging the flue gas to the outside through a combustion fan and a flue; and secondly, collecting water and condensed water generated during combustion and naturally discharging the water and the condensed water through a water outlet at the bottom.
The utility model discloses a combustion fan increases the entering volume of air (oxygen) through convulsions to reach combustion-supporting effect.
Further, the utility model discloses a combustor group includes combustion chamber, fire row, gas post, gas mouth, temperature detect switch, wind pressure switch and ignition needle, and inside the fire row was located the combustion chamber, its front end was equipped with the gas mouth, and the gas mouth was connected with outside gas pipe, and the fire row bottom is equipped with the wind pressure switch, and the top of fire row is equipped with the horizontally gas post, and the rear end of gas post is equipped with branch fire wheel, and the end of gas post is equipped with the ignition needle, is equipped with temperature detect switch on the combustion chamber.
The utility model discloses a gas column lower extreme and fire row communicate with each other.
Further, the utility model discloses a divide the fire wheel to be hollow tube-shape casing, the inside branch fire board that is equipped with of casing divides, is equipped with a plurality of branch fire holes on dividing the fire board, and the casing outside is equipped with the branch fire groove of many indents.
The utility model discloses a divide the fire wheel to install at the gas column end, make mixed gas reduce speed to diffuse once more, with air (oxygen) intensive mixing.
The utility model discloses a gas mouth and the gas pipe of combustor group link to each other, are provided with gas relief pressure valve and gas solenoid valve on the gas pipe.
The working principle of the burner group is as follows: the gas is sprayed out from the gas nozzle after passing through the gas pressure reducing valve, the fire exhaust part is provided with an air inlet and a wind pressure switch, so that the gas is fully mixed with air (oxygen), the mixed gas is sprayed out along the gas column of the fire exhaust by means of the pressure of the gas, the tail end of the gas column is provided with a fire distributing wheel, the speed of the mixed gas is reduced, the mixed gas is diffused again and fully mixed with the air (oxygen), the ignition needle finishes ignition and ignites the mixed gas, and the flame enters the primary heat exchanger.
The utility model discloses a casing outside is equipped with transformer, high-pressure sparker and speed regulator, and the transformer is used for the power supply of power consumption unit, and high-pressure sparker is connected with the ignition needle of combustor group, and the speed regulator is connected with main blower, combustion-supporting fan.
The first-stage heat exchanger and the second-stage heat exchanger of the utility model can be provided with the shell pass, and the shell of the warm air furnace can be used as the shell pass.
Further, the utility model discloses a one-level heat exchanger is the return bend of many S-shaped. The bent pipe is preferably made of a copper pipe, the heat exchange effect is good, the inlet of the bent pipe is over against the outlet of the gas column of the burner group, and the flame directly enters the bent pipe.
The utility model discloses an elbow pipe is not limited to adopting the S-shaped, can also adopt approximate Z shape or "oneself" font, according to the space, the elbow pipe can buckle many times, increases heat transfer area.
Further, the utility model discloses a second grade heat exchanger is plate heat exchanger.
The utility model discloses a plate heat exchanger is prior art product, and its inside is equipped with many copper pipes, and the copper outside of tubes is equipped with the fin, and the inside spiral water conservancy diversion piece that is equipped with of copper pipe.
The utility model discloses a spiral water conservancy diversion piece is prior art, and is called spiral water conservancy diversion piece again, and its extension route and heat transfer time improve heat exchange efficiency, and its structure is preferred but not limited to that the chinese patent office is disclosed, and the publication number is CN207237653U, and the name is the patent technology of "a gas water conservancy diversion piece" or the publication number is CN204880730U, the name is the patent technology of "a spiral water conservancy diversion piece".
The utility model discloses an one-level heat exchanger's return bend diameter is thicker, and second grade heat exchanger's evaporator tube is thinner, and quantity is also unequal, for making tube side between them communicate with each other, sets up the hybrid chamber at link between them, and return bend and evaporator tube communicate with each other with the hybrid chamber respectively.
The working principle of the warm air furnace during heating air of the utility model is as follows:
in the combustion chamber, the gas is ignited by the burner group, the high-temperature flame enters the tube pass of the first-stage heat exchanger and the tube pass of the second-stage heat exchanger in sequence, the main fan is started, the air passes through the shell pass of the second-stage heat exchanger and the shell pass of the first-stage heat exchanger from bottom to top in sequence, the air is heated into hot air in the process and is discharged from the air outlet at the upper end of the shell, and the cooled smoke is discharged from the flue.
The utility model has the advantages of multiple functions, stable and reliable work and flexible and convenient use. The utility model discloses can realize functions such as heating, refrigeration, ventilation, air purification, air humidification, can satisfy the needs in places such as family, school, mill, office building, vegetable greenhouse, hotel, greenhouse breed.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a control schematic diagram of the temperature controller of the present invention;
FIG. 3 is a schematic view of the three-dimensional structure of the hot air furnace with the casing removed;
FIG. 4 is a schematic diagram of the exploded structure of FIG. 3;
FIG. 5 is a schematic structural view of the distributor of the present invention;
fig. 6 is the air inlet and outlet schematic view of the hot air furnace of the present invention.
As shown in the figure: 1. a warm air furnace; 1-1, a main fan; 1-2, a secondary heat exchanger; 1-3, a primary heat exchanger; 1-4. a combustion chamber; 1-5. flue; 1-6, combustion-supporting fan; 1-7, a transformer; 1-8, high-pressure igniter; 1-9. speed regulator; 1-10. temperature sensor; 1-11. wind pressure switch; 1-12, fire grate; 1-13. ignition needle; 1-14, temperature control switch; 1-15. gas nozzle; 1-16. gas pipe; 1-17, gas pressure reducing valve; 1-18, a gas electromagnetic valve; 1-19, a smoke gas collecting box; 1 to 20; a fire separating wheel; 1-21. gas column; 1-22. a shell; 1-23. an air inlet; 1-24. an air outlet; 1-25, fire distributing holes; 1-26, fire dividing groove; 1-27, fire separating plate; 2. a surface cooler; 3. a humidifier; 4. an air supply pipe; 5. an air outlet control valve; 6. an indoor air outlet; 7. a temperature controller; 8. an indoor return air inlet; 9. a return air duct; 10. an air purifier; 11. a refrigerator.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1: the air outlet of warm-air furnace 1 passes through the air intake connection of pipeline surface cooler 2, the air outlet of surface cooler 2 passes through the air intake connection of pipeline and humidifier 3, the refrigerant export of refrigerator 11 and the refrigerant entry linkage of surface cooler 2, the refrigerant export of surface cooler 2 and the refrigerant inlet connection of refrigerator 11, the air outlet of humidifier 3 passes through blast pipe 4 and is connected with indoor air outlet 6, the indoor return air inlet 8 that corresponds with indoor air outlet 6 passes through the air intake connection of return air pipe 9 with air purifier 10, the air outlet of air purifier 10 passes through the air intake connection of pipeline and warm-air furnace 1.
As shown in fig. 3, 4, 5, and 6: one side of the lower part of a shell 1-22 of the warm air furnace 1 is provided with an air inlet 1-23, the upper end is provided with an air outlet 1-24, the bottom of the interior is provided with a main fan 1-1, a secondary heat exchanger 1-2 and a primary heat exchanger 1-3 are sequentially arranged above the main fan 1-1, the secondary heat exchanger is a plate heat exchanger, a plurality of copper pipes are arranged in the secondary heat exchanger, fins are arranged outside the copper pipes, and spiral heat-conducting fins are arranged in the copper pipes. The primary heat exchanger 1-3 is a plurality of thicker S-shaped copper bent pipes, the outlet ends of the bent pipes are communicated with the inlet ends of the evaporator pipes through a mixing cavity, the mixing cavity is a hollow flat plate, namely, the tube passes of the primary heat exchanger 1-3 are communicated with the tube passes of the secondary heat exchanger 1-2, the inlet end of the primary heat exchanger 1-3 is provided with a combustion chamber 1-4, a fire grate 1-12 is arranged in the combustion chamber 1-4, a communicated horizontal gas column 1-21 is arranged above the fire grate 1-12, the tail end of the gas column 1-21 is provided with a fire distribution wheel 1-20, the outer side of a cylindrical shell of the fire distribution wheel 1-20 is provided with a plurality of fire distribution grooves 1-26, the inner fire distribution plate 1-2 is provided with a plurality of fire distribution holes 1-25, the flame outlets of the gas column 1-21 are connected with the inlet ends of the bent, the combustion chamber 1-4 is provided with a gas nozzle 1-15 communicated with the fire grate 1-12, the gas nozzle 1-15 is connected with a gas pipe 1-16, the gas pipe 1-16 is provided with a gas pressure reducing valve 1-17 and a gas electromagnetic valve 1-18, the upper end of the combustion chamber 1-4 is provided with a temperature control switch 1-14, the lower end is provided with a wind pressure switch 1-11, the wind pressure switch 1-11 is positioned at the air inlet of the fire grate 1-2, the tail end of the combustion chamber 1-4 is provided with an ignition needle 1-13, and the ignition needle 1-13 is positioned at the outlet of the gas column 1-21. The outlet end of an evaporator tube of the secondary heat exchanger 1-2 is provided with a smoke collecting box 1-19, the smoke collecting box 1-19 is provided with a combustion fan 1-6, an air outlet of the combustion fan 1-6 is connected with a flue 1-5, a baffle plate at the front side of the main fan 1-1 is provided with a transformer 1-7, a high-pressure igniter 1-8 and a speed regulator 1-9, the high-pressure igniter 1-8 is connected with an ignition needle 1-13, and the secondary heat exchanger 1-2 is internally provided with a temperature sensor 1-10.
The utility model discloses during heating use: gas (natural gas or liquefied gas) enters a fire grate 1-12 in a combustion chamber 1-4 through a gas pipe 1-16, a wind pressure switch 1-11 is turned on, air and the gas are mixed in the fire grate 1-12 and enter an air column 1-21, after speed reduction and mixing are carried out again at a tail end fire wheel 1-20, the gas is ignited through an ignition needle 1-13, flame enters a bent pipe of a primary heat exchanger 1-3 and a copper pipe of a secondary heat exchanger 1-2 in sequence, at the moment, a main fan 1-1 is started, the air passes through a secondary heat exchanger 1-2 and a shell pass of the primary heat exchanger 1-3 in sequence from an air inlet at the lower part of a shell 1-22, heat exchange is carried out with high-temperature flame in the tube pass in the process to heat hot air, the flame is cooled into smoke, the smoke is discharged from a flue 1-5 through a smoke collecting box 1-, hot air is discharged from air outlets at the upper ends of the shells 1-22 and enters the room through the surface cooler 2 (the refrigerator 11 does not work), the humidifier 3, the air supply pipe 4 and the indoor air outlet 6, the indoor air returns to the air inlets of the shells 1-22 through the air return pipe 9 and the air purifier 10 from the indoor air return port 8 under the positive pressure effect, the process is repeated, air circularly flows and is heated, and the quick heating effect is achieved.
The utility model discloses during refrigeration use: the refrigerator 11 is started, so that a refrigerant circularly flows between the refrigerator 11 and the surface cooler 2, the warm air furnace 1 is only started by the main fan 1-1, air at the air outlet is cooled by the shell pass of the surface cooler 2 and then enters the room through the humidifier 3, the air supply pipe 4 and the indoor air outlet 6, the indoor air returns to the air inlets of the shells 1-22 from the indoor air return inlet 8 through the air return pipe 9 and the air purifier 10 under the positive pressure effect, the process is repeated, the air circularly flows and is cooled, and the rapid cooling effect is achieved.
The utility model discloses when ventilating the use, warm braw stove 1 only main blower 1-1 starts, and the air of air outlet gets into indoorly through surface cooler 2 (refrigerator 11 does not start), humidifier 3, blast pipe 4, indoor air outlet 6, and indoor air returns to the air intake of casing 1-22 through return air pipe 9, air purifier 10 from indoor return air inlet 8 under the malleation effect, repeats above-mentioned process, and air circulation flows the ventilation.
The utility model discloses when using, indoor temperature controller that is equipped with, the on-off of adjusting device to and the function control such as the regulation of temperature, humidity, the inside integrated humidity transducer of temperature controller supports intelligent house thing networked control, anytime and anywhere realizes remote control.
As shown in fig. 2: the utility model adopts the AC contactor to control the suction, and is matched with a phase sequence protector, a pressure detector and the like, so that the equipment can run more safely;
when the utility model is used, a series of protective measures are provided
1) The burner is prevented from fire overflow, two temperature control switches 1-14 (two temperature detection devices are arranged above) are arranged at the upper end of the combustion chamber 1-4, the model is preferably but not limited to ksd301, and the manufacturer is Fushan Tong Hualong controller Co.
2) The flue is prevented from being blocked, the flue is internally provided with a pipeline pressure detection device, the model is preferably but not limited to KFR-1, and the manufacturer is Haina electric appliance industry Co.
3) Preventing unsuccessful ignition. A flame detection device is arranged at the position 1-12 of the fire row; the flame detection device is an ion probe, namely an ion rod, a flame detection needle and the like, the type is preferably but not limited to STG120, and the manufacturer is Shanghai pray electromechanical equipment Limited company.
The circuits of the temperature control switches 1 to 14, the pipeline pressure detection device and the flame detection device are in a normally open mode, related components are connected in series, voltage is applied to one end, voltage is detected by a mainboard at the other end to judge whether the work is normal or not, and the gas electromagnetic valves 1 to 18 are closed at the first time after the abnormality is detected;
the utility model discloses can also prevent to move overtemperature, be equipped with temperature sensor 1-10 in the second grade heat exchanger 1-2, this temperature detects and sets for first discernment object, sets for when the temperature exceedes the limit value, closes gas solenoid valve 1-18.
The utility model discloses a 24V strong suction solenoid valve that gas solenoid valve is two series connections, model: QVT-1B, manufacturer: shanghai Qiao Heng industries, Inc.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. The utility model provides a central gas heater system, its characterized in that includes the warm-air furnace, air purifier, the humidifier, indoor air outlet, indoor return air inlet, the air outlet of warm-air furnace passes through the air intake connection of pipeline with the humidifier, the air outlet of humidifier passes through the blast pipe and is connected with indoor air outlet, the indoor return air inlet that corresponds with indoor air outlet passes through return air pipe and air purifier's air intake connection, air purifier's air outlet passes through the air intake connection of pipeline with the warm-air furnace, the humidifier, indoor air outlet, indoor return air inlet, air purifier passes through the pipe connection and becomes circulation circuit.
2. The central gas-fired air heater system according to claim 1, further comprising a refrigerator and a surface cooler, wherein the surface cooler is installed between the air heater and the humidifier, a refrigerant outlet of the refrigerator is connected to a refrigerant inlet of the surface cooler, a refrigerant outlet of the surface cooler is connected to a refrigerant inlet of the refrigerator, an air outlet of the air heater is connected to an air inlet of the surface cooler, and an air outlet of the surface cooler is connected to an air inlet of the humidifier.
3. The central gas-fired warm air furnace system according to claim 1 or 2, wherein the warm air furnace comprises a housing, an air inlet is formed in a side surface of a bottom of the housing, an air outlet is formed in an upper end of the housing, a main blower is arranged at a bottom of the housing, a secondary heat exchanger and a primary heat exchanger are sequentially arranged above the main blower, a tube pass of the secondary heat exchanger is communicated with a tube pass of the primary heat exchanger, a burner group is arranged at a tube pass inlet of the primary heat exchanger, a flame outlet of the burner group is connected with a tube pass inlet of the primary heat exchanger, and a tube pass outlet of the secondary.
4. The central gas heating furnace system according to claim 3, wherein the burner group comprises a combustion chamber, a fire grate, a gas column, a gas nozzle, a temperature control switch, a wind pressure switch and an ignition needle, the fire grate is located inside the combustion chamber, the front end of the fire grate is provided with the gas nozzle, the gas nozzle is connected with an external gas pipe, the bottom of the fire grate is provided with the wind pressure switch, the horizontal gas column is arranged above the fire grate, the rear end of the gas column is provided with the fire distribution wheel, the tail end of the gas column is provided with the ignition needle, and the combustion chamber is provided with the temperature control switch.
5. The central gas-fired heater system according to claim 4, wherein the fire distribution wheel is a hollow cylindrical housing, a fire distribution plate is provided inside the housing, a plurality of fire distribution holes are provided on the fire distribution plate, and a plurality of inwardly concave fire distribution grooves are provided outside the housing.
6. The central gas-fired air heater system according to claim 3, wherein a flue gas collection box is provided at the tube side outlet of the secondary heat exchanger, a combustion fan is provided on the flue gas collection box, and an air outlet of the combustion fan is connected to the flue.
7. The central gas-fired air heater system according to claim 3, wherein the primary heat exchanger is a plurality of S-shaped bends.
8. The central gas-fired furnace system according to claim 3, wherein the secondary heat exchanger is a plate heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114500.9U CN211119818U (en) | 2019-11-28 | 2019-11-28 | Central gas warm air furnace system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114500.9U CN211119818U (en) | 2019-11-28 | 2019-11-28 | Central gas warm air furnace system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211119818U true CN211119818U (en) | 2020-07-28 |
Family
ID=71696058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922114500.9U Active CN211119818U (en) | 2019-11-28 | 2019-11-28 | Central gas warm air furnace system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211119818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484138A (en) * | 2020-11-28 | 2021-03-12 | 杭州兔研工业设计有限公司 | Domestic natural gas heating system |
-
2019
- 2019-11-28 CN CN201922114500.9U patent/CN211119818U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484138A (en) * | 2020-11-28 | 2021-03-12 | 杭州兔研工业设计有限公司 | Domestic natural gas heating system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205606685U (en) | Indoor new trend and oil extraction cigarette system | |
| CN212987401U (en) | Kitchen air conditioning system | |
| US4371111A (en) | Home heating system employing water heater as heating source | |
| US20170138612A1 (en) | Heat and energy recovery and regeneration assembly, system and method | |
| US20150204578A1 (en) | Heat and energy recovery and regeneration assembly, system and method | |
| CN207422353U (en) | A kind of HVAC burnt gas wall hanging furnace branch thermostat | |
| CN211119818U (en) | Central gas warm air furnace system | |
| CN109186092A (en) | Energy saving and environment friendly condensing gas wall hanging stove | |
| CN201396979Y (en) | Five-in-one kitchen energy recycling system | |
| AU2013376970A1 (en) | Heat and energy recovery and regeneration assembly, system and method | |
| CN101592410B (en) | Five-in-one system for recycling kitchen energy | |
| CN102116501A (en) | Hybrid power wall-hung boiler | |
| CN110736173A (en) | Central gas warm air furnace system | |
| CN211119987U (en) | Gas warm-air stove | |
| CN202371863U (en) | Intelligent central hot water system | |
| CN205316741U (en) | Solar airconditioning new trend system | |
| CN203068699U (en) | Air channel type heating and refrigerating air conditioner device | |
| CN106152229A (en) | A kind of condensed type combustion gas warm bath dual-purpose stove | |
| CN206522919U (en) | Wall-hanging gas-fired speed heat air air-heater | |
| CN2819076Y (en) | Gas air-conditioning furnace under normal pressure | |
| CN216522192U (en) | Full-heat-band surface cooling unit | |
| CN212656951U (en) | Waste heat recovery device of air compressor unit | |
| CN2544212Y (en) | Domestic air channel type gas heater | |
| CN201302185Y (en) | Gas wall hanging oven | |
| CN217274518U (en) | Clean air conditioner PLC constant temperature control system of pharmaceutical factory |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |