CN202546837U - Automatic temperature control coal heating furnace - Google Patents
Automatic temperature control coal heating furnace Download PDFInfo
- Publication number
- CN202546837U CN202546837U CN2012200911453U CN201220091145U CN202546837U CN 202546837 U CN202546837 U CN 202546837U CN 2012200911453 U CN2012200911453 U CN 2012200911453U CN 201220091145 U CN201220091145 U CN 201220091145U CN 202546837 U CN202546837 U CN 202546837U
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- automatically controlled
- conducting medium
- temperature automatically
- heat
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Abstract
The utility model provides an automatic temperature control coal heating furnace. The automatic temperature control coal heating furnace comprises a furnace body and a smoke pipe, which are connected with each other, wherein a heat conducting medium sandwich is arranged around the furnace body and the smoke pipe; a combustion chamber is arranged in a furnace hearth of the furnace body; an outlet communicated with the heat conducting medium sandwich is formed in the smoke pipe; an inlet communicated with the heat conducting medium sandwich is formed in the furnace body; an air port communicated with the furnace hearth is formed in the furnace body; an openable and closable air door is formed at the air port; the automatic temperature control coal heating furnace further comprises an automatic door opening and closing device; the automatic door opening and closing device comprises an energy saving automatic opening and closing temperature controller; a temperature bulb of the energy saving automatic opening and closing temperature controller is inserted in the heat conducting medium sandwich in a sealed way; and a telescopic heat insulating cavity of the heat conducting medium sandwich is connected with the air door so as to drive the opening and closing of the air door. Phenomenon that water in the heat conducting medium sandwich is boiled due to overheating is avoided, and coal usage of the automatic temperature control coal heating furnace is reduced.
Description
Technical field
The utility model relates to coal stove equipment, relates in particular to a kind of temperature automatically controlled coal radiator.
Background technology
At present; The family expenses in most of rural area still use coal furnace; Coal furnace generally includes body of heater and is arranged on the chimney on the body of heater, and chimney is communicated with the burner hearth of body of heater and is used to discharge flue gas, is provided with the combustion chamber in the burner hearth of body of heater; Be provided with the heat-conducting medium interlayer around body of heater and the chimney, (for example: water) store heat-conducting medium in the heat-conducting medium interlayer.The coal-fired heat that burning produces in the combustion chamber will add the water in the heat-conducting medium interlayer; Water after the heating will be transported in the heat dissipation equipments such as radiator or floor heating through the outlet that is provided with on the chimney and carry out heat supply; To get back in the heat-conducting medium interlayer through the inlet flow that is provided with on the body of heater through the heat dissipation equipment cooled water that circulates, and the flue gas that produces behind the fired coal combustion will pass through burner hearth and discharge through chimney.In user's use; When the user inserts fire coal in the combustion chamber after; Fire coal will continue to heat the water in the heat-conducting medium interlayer; Occur the phenomenon that the water in the heat-conducting medium interlayer seethes with excitement because of over-heating easily, in this process, will consume a large amount of fire coals, thereby cause coal furnace coal consumption of the prior art bigger.
The utility model content
The utility model technical problem to be solved is: a kind of temperature automatically controlled coal radiator is provided, solves the bigger defective of coal furnace coal consumption of the prior art, realize reducing the coal consumption of temperature automatically controlled coal radiator.
The technical scheme that the utility model provides is; A kind of temperature automatically controlled coal radiator; Comprise the body of heater and the chimney that link together, be provided with the heat-conducting medium interlayer around said body of heater and the said chimney, be provided with the combustion chamber in the burner hearth of said body of heater; Offer the outlet that is communicated with said heat-conducting medium interlayer on the said chimney; Offer on the said body of heater with said heat-conducting medium interlayer and be communicated with import, offer the air port that is communicated with said burner hearth on the said body of heater, place, said air port is provided with air door to be opened/closed; Said temperature automatically controlled coal radiator also comprises the automatic switch door gear; Said automatic switch door gear comprises the energy-saving automatic temperature controller; The thermometer bulb sealing of said energy-saving automatic temperature controller is inserted in the said heat-conducting medium interlayer, and the telescopic incubation cavity of said energy-saving automatic temperature controller is connected to drive the switch of said air door with said air door.
The temperature automatically controlled coal radiator that the utility model provides; Through the air port is communicated with burner hearth is set, and pass through energy-saving automatic temperature controller driving air door switch air port on body of heater, the user adds fire coal in the combustion chamber after; The fire coal of burning will heat the water in the heat-conducting medium interlayer; After thermometer bulb detects water in the heat-conducting medium interlayer and reaches the temperature of setting, telescopic incubation cavity will extend and drive air door and opens, and slow down the coal-fired burning in combustion chamber thereby outside air will enter into burner hearth; After thermometer bulb detects water in the heat-conducting medium interlayer and does not reach the temperature of setting; Telescopic incubation cavity will shrink the driving air door and close; The blocking-up outside air will enter into burner hearth, make the water in the heating heat-conducting medium interlayer that burns coal-fired in the combustion chamber, and temperature automatically controlled coal radiator can be kept room temperature in range of set temperature; Avoid occurring the phenomenon that the water in the heat-conducting medium interlayer seethes with excitement because of over-heating, realize having reduced the coal consumption of temperature automatically controlled coal radiator.
Aforesaid temperature automatically controlled coal radiator; Said automatic switch door gear also comprises support and connecting rod; One end of said connecting rod is connected with said air door, and the other end of said connecting rod is connected with said telescopic incubation cavity, and said telescopic incubation cavity is fixed on the said support; Also be provided with fulcrum on the said support, said connecting rod is resisted against on the said fulcrum.
Aforesaid temperature automatically controlled coal radiator; Said automatic switch door gear also comprises regulates bolt, regulating spring and back-moving spring; Said adjusting bolt is screwed onto on the said support; One end of said regulating spring is connected on the said connecting rod, and the other end of said regulating spring is connected on the said adjusting bolt, and an end of said back-moving spring is connected on the said connecting rod; The other end of said back-moving spring is connected on the said support, and said fulcrum is between said back-moving spring and said regulating spring.
Aforesaid temperature automatically controlled coal radiator; Said combustion chamber comprises coil pipe and flame retardant coating; Said coil pipe forms barrel-type casing; Said flame retardant coating is arranged on the inwall of said barrel-type casing, and the water inlet port sealing of said coil pipe is inserted on the sidewall in the said body of heater and with said heat-conducting medium interlayer and is communicated with, and the water outlet port sealing of said coil pipe is inserted on the sidewall in the said chimney and from said outlet, stretches out.
Aforesaid temperature automatically controlled coal radiator, said barrel-type casing port also is provided with vaporizer, and said vaporizer comprises the housing of falling the infundibulate, and the said housing of falling the infundibulate is installed in the port of said barrel-type casing.
Aforesaid temperature automatically controlled coal radiator, the cross section of said barrel-type casing is a trapezium structure, the size of said barrel-type casing port is less than the size of said barrel-type casing lower port.
Aforesaid temperature automatically controlled coal radiator, said vaporizer also comprises loam cake, said loam cake covers on the port of the said housing of falling the infundibulate.
Aforesaid temperature automatically controlled coal radiator, the sidewall of the said housing of falling the infundibulate offers opening.
Aforesaid temperature automatically controlled coal radiator also is provided with at least one vertical heating pipe who is provided with in the said burner hearth, two ports of said heating pipe seal respectively on the sidewall that is inserted in the said body of heater and with said heat-conducting medium interlayer and are communicated with.
Aforesaid temperature automatically controlled coal radiator offers a plurality of said outlets on the said chimney.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the front view of the temperature automatically controlled coal radiator of the utility model embodiment;
Fig. 2 is the knot right view of the temperature automatically controlled coal radiator of the utility model embodiment;
Fig. 3 is the partial sectional view of the temperature automatically controlled coal radiator of the utility model embodiment;
Fig. 4 is the structural representation of automatic switch door gear among the temperature automatically controlled coal radiator of the utility model embodiment;
Fig. 5 is the user mode reference diagram of the temperature automatically controlled coal radiator of the utility model embodiment.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the front view of the temperature automatically controlled coal radiator of the utility model embodiment; Fig. 2 is the knot right view of the temperature automatically controlled coal radiator of the utility model embodiment; Fig. 3 is the partial sectional view of the temperature automatically controlled coal radiator of the utility model embodiment; Fig. 4 is the structural representation of automatic switch door gear among the temperature automatically controlled coal radiator of the utility model embodiment.Like Fig. 1-shown in Figure 4, the temperature automatically controlled coal radiator of present embodiment comprises the body of heater 1 and chimney 2 that link together; Be provided with heat-conducting medium interlayer 3 around body of heater 1 and the chimney 2; Be provided with combustion chamber 11 in the burner hearth 10 of body of heater 1, offer the outlet 21 that is communicated with heat-conducting medium interlayer 3 on the chimney 2, offer on the body of heater 1 with heat-conducting medium interlayer 3 and be communicated with import 15; Offer the air port 120 that is communicated with burner hearth 10 on the body of heater 1,120 places, air port are provided with air door 12 to be opened/closed; The temperature automatically controlled coal radiator of present embodiment also comprises automatic switch door gear 4; Automatic switch door gear 4 comprises energy-saving automatic temperature controller 41; Thermometer bulb 411 sealings of energy-saving automatic temperature controller 41 are inserted in the heat-conducting medium interlayer 3, and the telescopic incubation cavity 412 of energy-saving automatic temperature controller 41 is connected with air door 12 to drive the switch of air door 12.
Particularly; The body of heater 1 of the temperature automatically controlled coal radiator of present embodiment is provided with slag drawer 101, fire door 102 and fire grate 103; Cinder in the combustion chamber 11 will drop in the slag drawer 101 through fire grate 103, and the user can annotate coal-fired in combustion chamber 11 through opening fire door 102.Keeping under the prerequisite of indoor temperature in range of set temperature in order better to realize the temperature automatically controlled coal radiator of present embodiment; Effectively reduce the coal consumption of the temperature automatically controlled coal radiator of present embodiment; The temperature automatically controlled coal radiator of present embodiment is realized burning speed coal-fired in the control combustion chamber 11 through the switch of automatic switch door gear 4 control air doors 12.Energy-saving automatic temperature controller 41 in the automatic switch door gear 4 adopts Chinese patent number 200420039612.3 disclosed utility model names to be called the energy-saving automatic temperature controller in the energy-saving automatic temperature controller; Be full of low-boiling point liquid in the telescopic incubation cavity 412 of energy-saving automatic temperature controller 41; Water temperature through thermometer bulb 411 detects in the heat-conducting medium interlayer 3 controls whether low-boiling point liquid seethes with excitement in the telescopic incubation cavity 412; Thereby realize the stretching motion of telescopic incubation cavity 412; And drive the switch of air doors 12 by telescopic incubation cavity 412; Thereby coal-fired burning velocity in the control combustion chamber 11, with the water temperature in the control heat-conducting medium interlayer 3 in range of set temperature.Telescopic incubation cavity 412 can have various ways with the connected mode of air door 12; For example: telescopic incubation cavity 412 directly is connected with air door 12; Control the switch of air door 12 through the stretching motion of telescopic incubation cavity 412; Perhaps, telescopic incubation cavity 412 can pass to air door 12 to drive air door 12 switches with the stretching motion of telescopic incubation cavity 412 through drive mechanism.
Preferably; In order effectively to amplify the flexible stroke of telescopic incubation cavity 412; And the manufacturing cost of the temperature automatically controlled coal radiator of reduction present embodiment, the automatic switch door gear 4 in the temperature automatically controlled coal radiator of present embodiment can also comprise support 43 and connecting rod 42, an end of connecting rod 42 is connected with air door 12; The other end of connecting rod 42 is connected with telescopic incubation cavity 412; Telescopic incubation cavity 412 is fixed on the support 43, also is provided with fulcrum 44 on the support 43, and connecting rod 42 is resisted against on the fulcrum 44.Concrete; Telescopic incubation cavity 412 is through connecting rod 42 transferring power; Connecting rod 42 forms lever with fulcrum 44; Telescopic incubation cavity 412 utilizes lever principle will effectively amplify the flexible stroke of telescopic incubation cavity 412, thereby guarantees that telescopic incubation cavity 412 can open the suitable opening size with air door 12, with burning velocity coal-fired in the more effective control combustion chamber 11.Further; The user regulates the temperature of water in the heat-conducting medium interlayer 3 for ease; Automatic switch door gear 4 in the present embodiment can also comprise regulates bolt 45, regulating spring 46 and back-moving spring 47, regulates bolt 45 and is screwed onto on the support 43, and an end of regulating spring 46 is connected on the connecting rod 42; The other end of regulating spring 46 is connected to be regulated on the bolt 45; One end of back-moving spring 47 is connected on the connecting rod 42, and the other end of back-moving spring 47 is connected on the support 43, and fulcrum 44 is between back-moving spring 47 and regulating spring 46.Concrete; Fulcrum 44 is between regulating spring 46 and telescopic incubation cavity 412; Be applied to the regulating spring power on the connecting rod 42 through regulating bolt 45 with adjustment regulating spring 46; The regulating spring power that just can overcome regulating spring 46 after making telescopic incubation cavity 412 water reaching design temperature in heat-conducting medium interlayer 3 drives connecting rod 42 and rotates, and realizes opening air door 12.And back-moving spring 47 will close in the closed procedures at air door 12, through connecting rod 42 being applied spring force, air door 12 can be resetted fast and blocks air port 120 closely.Back-moving spring 47 in the present embodiment can also can be thrust for pulling force with the spring force that 46 pairs of connecting rods 42 of regulating spring apply, and the temperature automatically controlled coal radiator of present embodiment does not limit the concrete installation site of back-moving spring 47 and regulating spring 46.
The temperature automatically controlled coal radiator of present embodiment; Through the air port is communicated with burner hearth is set, and pass through energy-saving automatic temperature controller driving air door switch air port on body of heater, the user adds fire coal in the combustion chamber after; The fire coal of burning will heat the water in the heat-conducting medium interlayer; After thermometer bulb detects water in the heat-conducting medium interlayer and reaches the temperature of setting, telescopic incubation cavity will extend and drive air door and opens, and slow down the coal-fired burning in combustion chamber thereby outside air will enter into burner hearth; After thermometer bulb detects water in the heat-conducting medium interlayer and does not reach the temperature of setting; Telescopic incubation cavity will shrink the driving air door and close; The blocking-up outside air will enter into burner hearth, make the water in the heating heat-conducting medium interlayer that burns coal-fired in the combustion chamber, and temperature automatically controlled coal radiator can be kept room temperature in range of set temperature; Avoid occurring the phenomenon that the water in the heat-conducting medium interlayer seethes with excitement because of over-heating, realize having reduced the coal consumption of temperature automatically controlled coal radiator.
Based on technique scheme; Optional, for the heat energy that the more efficient use fired coal combustion produces, the combustion chamber 11 in the present embodiment comprises coil pipe 111 and flame retardant coating 112; Coil pipe 111 forms barrel-type casing (not shown); Flame retardant coating 112 is arranged on the inwall of barrel-type casing, and water inlet port 1111 sealings of coil pipe 111 are inserted on the sidewall in the body of heater 1 and with heat-conducting medium interlayer 3 and are communicated with, and water outlet port 1112 sealings of coil pipe 111 are inserted on the sidewall in the chimney 2 and from exporting 21 stretches out.
Particularly; Coal-fired in the combustion process of fire coal in the combustion chamber 11 in the present embodiment with the air in the heating furnace; Air in the burner hearth will heat the water in the heat-conducting medium interlayer 3; Meanwhile, the water of coil pipe 111 will directly absorb the coal-fired heat that produces, coal-fired water with direct heat(ing) coil 111 in the combustion chamber 11; Make the water of coil pipe 111 absorb rapidly that heat becomes hot water and the water outlet port 1112 through coil pipe 111 is transported in the heat dissipation equipments such as radiator, thereby the water of realizing rapid heat(ing) coil 111 is with the fast lifting indoor temperature.The water of coil pipe 111 will fully absorb the high heat energy that coal-fired burning produces, thereby make the temperature automatically controlled coal radiator of present embodiment can make full use of the heat energy that fired coal combustion produces, and effectively reduce the coal consumption of the temperature automatically controlled coal radiator of present embodiment.
Wherein, In the fired coal combustion process; Unburned fire coal at high temperature will produce fuel gas such as carbon monoxide, directly discharge through chimney 2 for fear of fuel gas to slattern, and the barrel-type casing port of the temperature automatically controlled coal radiator of present embodiment can also be provided with vaporizer (not shown); Vaporizer comprises the housing of falling the infundibulate 13, and the housing of falling the infundibulate 13 is installed in the port of barrel-type casing.Concrete; The coal-fired fuel gas such as carbon monoxide that produce will be stored in the housing of falling the infundibulate 13 in the combustion chamber 11; Fuel gas will fully burn in the housing of falling the infundibulate 13; Thereby the air in can more effective heating furnace 10, more efficient use the coal-fired energy that is had, more help reducing the coal consumption of the temperature automatically controlled coal radiator of present embodiment.Further, for the fuel gas that effective collection combustion chamber more 11 produces, the cross section of coil pipe 111 barrel-type casing that forms in the present embodiment can be trapezium structure, and the size of barrel-type casing port is less than the size of barrel-type casing lower port.Concrete; Be set to less and the structure that lower port is bigger of port through barrel-type casing that coil pipe 111 forms; Can effectively fuel gas be accumulated in the top of combustion chamber 11, thereby fuel gas can be burnt in the housing of falling the infundibulate 13 through combustion chamber 11.Preferably, the size of the barrel-type casing port in the present embodiment is assembled burning thereby more help fuel gas on the top of infundibulate housing 13 less than the size of the housing of falling the infundibulate 13 lower port.In addition, can in vaporizer, fully burn in order to make fuel gas, the vaporizer in the present embodiment can also comprise loam cake 132, and loam cake 132 covers on the port of the housing of falling the infundibulate 13.Concrete, through port loam cake 132 is set and can makes fuel gas fully burning in vaporizer at the housing of falling the infundibulate 13, reduce fuel gas and from chimney 2, directly discharge.The sidewall of the present embodiment housing of falling the infundibulate 13 can offer opening 131, and this opening 131 is communicated with the housing of falling the infundibulate 13 formed spaces with burner hearth, thereby can air be incorporated in the combustion chamber 11 through opening 131, to control coal-fired burning velocity.
Further again, can also be provided with at least one vertical heating pipe 14 who is provided with in the burner hearth 10 in the present embodiment, two ports of heating pipe 14 seal respectively on the sidewall that is inserted in the body of heater 1 and with heat-conducting medium interlayer 3 and are communicated with.Concrete, the hot-air in the burner hearth 10 can heat the water among the heating pipe 14 more efficiently, thereby more helps improving the efficiency of heating surface of the temperature automatically controlled coal radiator of present embodiment.In addition, can offer a plurality of outlets 21 on the chimney 2 in the present embodiment, thereby satisfy the demand of different heating amounts, be implemented in a plurality of heat dissipation equipments of connection on the temperature automatically controlled coal radiator of present embodiment.
Fig. 5 is the user mode reference diagram of the temperature automatically controlled coal radiator of the utility model embodiment.As shown in Figure 5, temperature automatically controlled coal radiator 101 is given radiator 102 and radiator 103 through hot-water line 104 with hot water supply, wherein, and should be short from first height of import that obtains the radiator 102 of hot water in other radiators 103.Water in radiator 102 and the radiator 103 flow back in the temperature automatically controlled coal radiator 101 through return pipe 107.The water jet 1041 of hot-water line 104 should be higher than water tank 105 with gas outlet 1042, and water tank 105 is connected with return pipe 107 through water inlet pipe 108, and on the water inlet pipe 108 inlet valve 106 is set, through inlet valve 106 to water tank 105 filled with water.Through adopting above-mentioned connected mode, can guarantee that temperature automatically controlled coal radiator 101 can not have the safe and efficient heat radiation of pressure.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (10)
1. a temperature automatically controlled coal radiator comprises the body of heater and the chimney that link together, is provided with the heat-conducting medium interlayer around said body of heater and the said chimney; Be provided with the combustion chamber in the burner hearth of said body of heater; Offer the outlet that is communicated with said heat-conducting medium interlayer on the said chimney, offer on the said body of heater with said heat-conducting medium interlayer and be communicated with import, it is characterized in that; Offer the air port that is communicated with said burner hearth on the said body of heater, place, said air port is provided with air door to be opened/closed;
Said temperature automatically controlled coal radiator also comprises the automatic switch door gear; Said automatic switch door gear comprises the energy-saving automatic temperature controller; The thermometer bulb sealing of said energy-saving automatic temperature controller is inserted in the said heat-conducting medium interlayer, and the telescopic incubation cavity of said energy-saving automatic temperature controller is connected to drive the switch of said air door with said air door.
2. temperature automatically controlled coal radiator according to claim 1; It is characterized in that said automatic switch door gear also comprises support and connecting rod, an end of said connecting rod is connected with said air door; The other end of said connecting rod is connected with said telescopic incubation cavity; Said telescopic incubation cavity is fixed on the said support, also is provided with fulcrum on the said support, and said connecting rod is resisted against on the said fulcrum.
3. temperature automatically controlled coal radiator according to claim 2; It is characterized in that; Said automatic switch door gear also comprises regulates bolt, regulating spring and back-moving spring, and said adjusting bolt is screwed onto on the said support, and an end of said regulating spring is connected on the said connecting rod; The other end of said regulating spring is connected on the said adjusting bolt; One end of said back-moving spring is connected on the said connecting rod, and the other end of said back-moving spring is connected on the said support, and said fulcrum is between said back-moving spring and said regulating spring.
4. according to claim 2 or 3 described temperature automatically controlled coal radiators; It is characterized in that; Said combustion chamber comprises coil pipe and flame retardant coating, and said coil pipe forms barrel-type casing, and said flame retardant coating is arranged on the inwall of said barrel-type casing; The water inlet port sealing of said coil pipe is inserted on the sidewall in the said body of heater and with said heat-conducting medium interlayer and is communicated with, and the water outlet port sealing of said coil pipe is inserted on the sidewall in the said chimney and from said outlet, stretches out.
5. temperature automatically controlled coal radiator according to claim 4 is characterized in that said barrel-type casing port also is provided with vaporizer, and said vaporizer comprises the housing of falling the infundibulate, and the said housing of falling the infundibulate is installed in the port of said barrel-type casing.
6. temperature automatically controlled coal radiator according to claim 5 is characterized in that the cross section of said barrel-type casing is a trapezium structure, and the size of said barrel-type casing port is less than the size of said barrel-type casing lower port.
7. temperature automatically controlled coal radiator according to claim 5 is characterized in that said vaporizer also comprises loam cake, and said loam cake covers on the port of the said housing of falling the infundibulate.
8. temperature automatically controlled coal radiator according to claim 5 is characterized in that the sidewall of the said housing of falling the infundibulate offers opening.
9. temperature automatically controlled coal radiator according to claim 1; It is characterized in that; Also be provided with at least one vertical heating pipe who is provided with in the said burner hearth, two ports of said heating pipe seal respectively on the sidewall that is inserted in the said body of heater and with said heat-conducting medium interlayer and are communicated with.
10. temperature automatically controlled coal radiator according to claim 1 is characterized in that, offers a plurality of said outlets on the said chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200911453U CN202546837U (en) | 2012-03-02 | 2012-03-02 | Automatic temperature control coal heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200911453U CN202546837U (en) | 2012-03-02 | 2012-03-02 | Automatic temperature control coal heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202546837U true CN202546837U (en) | 2012-11-21 |
Family
ID=47167460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200911453U Expired - Fee Related CN202546837U (en) | 2012-03-02 | 2012-03-02 | Automatic temperature control coal heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202546837U (en) |
-
2012
- 2012-03-02 CN CN2012200911453U patent/CN202546837U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| 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: 20121121 Termination date: 20140302 |