CN2516888Y - Air-heater using rice husk as fuel - Google Patents
Air-heater using rice husk as fuel Download PDFInfo
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- CN2516888Y CN2516888Y CN 01270585 CN01270585U CN2516888Y CN 2516888 Y CN2516888 Y CN 2516888Y CN 01270585 CN01270585 CN 01270585 CN 01270585 U CN01270585 U CN 01270585U CN 2516888 Y CN2516888 Y CN 2516888Y
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- rice husk
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Abstract
The utility model relates to a hot air blower using rice hulls as fuel, hot air produced by which can be guided to the place in need of the hot air via another piece of equipment provided with a ventilation device, comprising a feed unit, a combustion unite, a heat exchange unit and a waste gas discharge unit. The utility model is characterized in that the combustion unit comprises a combustion-supporting air duct, which is arranged between the inner housing and a combustion chamber to form a channel space, and air outside the outer housing is guided to the combustion chamber; an air inlet duct, which is arranged between the inner housing and the outer housing to form a channel space, the air is guided to the air inlet duct via a negative pressure provided by an the equipment with a ventilation device, wherein the combustion-supporting air duct comprises a blower which is connected with the combustion-supporting air duct, and the amount of the heat output can be controlled by the air flow passed through the air inlet duct and the quantity of the rice hulls inside the combustion chamber. The heat exchange unit is connected with the combustion unit, and the air passed through the combustion chamber is guided to the inner part of the heat exchange tubes; the air in the air inlet duct is guided to a cylinder and exchanges heat with the heat exchange tubes, and the hot air produced is passed through an air outlet and is guided to the place in need of the hot air by the equipment with a ventilation device.
Description
Technical field
The utility model relates to that a kind of to have with the rice husk be the air-heater of fuel, and particularly a kind of resource reutilization is the air-heater of fuel with the rice husk.
Background technology
Traditional rice husk drying machine is a fuel with diesel oil also or the greenhouse heating machine, changes the pattern that just becomes heat energy with the chemical energy of diesel oil, utilizes the adjusting of this heat energy temperature in dry rice husk or greenhouse.
Present world energy sources worsening shortages, its fuel cost improves day by day, and rice husk grinds and make the rice husk that rice produces and become the environmental protection treatment problem, causes exploitation rice husk combustion furnace or the greenhouse heating machine of having produced, to solve the environmental issue that serious day by day rice husk is handled.
Summary of the invention
Main purpose of the present utility model provides a kind of resource reutilization, is the air-heater of fuel with the rice husk.
The purpose of this utility model is to realize like this, it is a kind of that to have with the rice husk be the air-heater of fuel, the hot blast that it produced can connect the place that causes required use by another equipment with extractor fan, comprising: a feed unit, a fuel element, a heat exchange unit and a toxic emission unit; Rice husk can be loaded in described feed unit inside; Described fuel element comprises: a shell body; One combustion chamber, this combustion chamber is a ducted body, is located at this shell body inside, can receive the rice husk of feed unit in a side; One manhole cover, this manhole cover is located at the combustion chamber opposite side, can light rice husk in this hole; One inner housing, this inner housing are located between shell body and the combustion chamber, form: a combustion-supporting air channel, and this combustion-supporting air channel is located between inner housing and the combustion chamber, forms a runner space, and the air of guiding hull outside enters to the combustion chamber; And, an inlet air air channel, this inlet air air channel is located between inner housing and the shell body, forms a runner space, provides a negative pressure that air is directed to the inlet air air channel by an external equipment with extractor fan; Wherein, above-mentioned combustion-supporting air channel comprises a pressure fan, and this pressure fan connects combustion-supporting air channel, via the number of the rice husk controllable number system quantity of heat given up of the flow of inlet air and inside, combustion chamber; Described heat exchange unit is connected with fuel element, comprises: a cylinder, and this cylinder has an air outlet; And a heat-exchange tube, this heat-exchange tube are located at column body and are had independently runner, intersect by some pipe fittings to be welded on the sheet material at two ends, and be a replaceable module; Wherein, the gas after the above-mentioned combustion chambers burn is by the heat-exchange tube guided inside; The air guiding in above-mentioned inlet air air channel is as for by this air outlet the hot blast that produces being connect the place that causes required use by another equipment with extractor fan after cylinder and the heat-exchange tube intercropping heat exchange; And described toxic emission unit comprises: plurality of rows airway, this exhaust manifolds connect being connected of each assembly in heat exchange unit and toxic emission unit and the toxic emission unit; One first filter, this first filter will bigger particle filters gas after the burning that this unit received with the centrifugal force of a turbine; And an air exhauster, this air exhauster provide gas after a negative pressure helps to burn in the filter efficiency and the exhaust gas discharging of first filter.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is the action principle schematic diagram that the utlity model has with the rice husk air-heater that is fuel.
Fig. 2 is the fuel element profile that the utlity model has with the rice husk air-heater that is fuel.
Fig. 3 is the heat-exchange tube stereogram that the utlity model has with the rice husk air-heater that is fuel.
Drawing reference numeral explanation: 1 feed unit; 11 temporary tubes; 12 rice husks; 13 shower nozzles; 14 manual current plates; 15 pan feeding spirals; 151 motors; 152 speed control units; 153 discharge gates; 16 automatic flow plates; 2 fuel elements; 21 shell bodies; 22 combustion chambers; 221 manhole covers; 222 peep poles; 223 carbide collecting regions; 23 inner housings; 231 combustion-supporting air channels; 232 inlet air air channels; 24 pressure fans; 25 carbide load displacing screws; 3 heat exchange units; 31 cylinders; 311 air outlets; 312 self closing door adjusters; 313 manual air door adjusters; 314 first thermometers; 32 heat-exchange tubes; 4 toxic emission unit; 41 exhaust manifolds; 42 first filters; 43 openings; 44 adjust valve; 45 air exhausters; 46 second filters; 47 second thermometers.
The specific embodiment
Of the present utility modelly mainly providing a kind of resource reutilization, is the air-heater of fuel with the rice husk.
Referring to Fig. 1 to Fig. 3, it is a kind of that to have with the rice husk be the air-heater of fuel, the hot blast that it produced can connect the place that causes required use by another equipment with extractor fan, comprising: a feed unit 1, a fuel element 2, a heat exchange unit 3 and a toxic emission unit 4.
Rice husk 12 can be loaded in this feed unit 1 inside.
This fuel element 2 comprises:
One shell body 21.
One combustion chamber 22, this combustion chamber 22 is a ducted body, is located at this shell body 21 inside, can receive the rice husk 12 of feed unit 1 in a side.
One manhole cover 221, this manhole cover 221 is located at combustion chamber 22 opposite sides, can light rice husk 12 in this hole.
One inner housing 23, this inner housing 23 are located between shell body 21 and the combustion chamber 22, form: a combustion-supporting air channel 231 and an inlet air air channel 232.
This combustion-supporting air channel 231 is located between inner housing 23 and the combustion chamber 22, forms a runner space, and guiding shell body 21 air outside enter to combustion chamber 22.And,
This inlet air air channel 232 is located between inner housing 23 and the shell body 21, forms a runner space, is to provide a negative pressure that air is directed to inlet air air channel 232 by an external equipment with extractor fan.
Wherein, above-mentioned combustion-supporting air channel 231 more comprises a pressure fan 24, and this pressure fan 24 connects combustion-supporting air channel 231, via the number of the rice husk 12 controllable number system quantities of heat given up of the flow of inlet air and 22 inside, combustion chamber.
This heat exchange unit 3 is connected with fuel element 2, comprises: a cylinder 31 and a heat-exchange tube 32.
This cylinder 31 has an air outlet 311.And,
This heat-exchange tube 32 is located at cylinder 31 inside and is had independently runner, is to intersect by some pipe fittings to be welded on the sheet material at two ends, and be a replaceable module.
Wherein, the gas after above-mentioned combustion chamber 22 burnings is by heat-exchange tube 32 guided inside.The air in above-mentioned inlet air air channel 232 is guided as for by this air outlet 311 hot blast that produces being connect the place that causes required use by another equipment with extractor fan after cylinder 31 and the heat-exchange tube 32 intercropping heat exchanges.And,
This toxic emission unit 4 comprises: plurality of rows airway 41, one first filter 42, an and air exhauster 45.
This exhaust manifolds 41 connect being connected of each interior assembly of heat exchange units 3 and toxic emission unit 4 and toxic emission unit 4.
This first filter 42 will bigger particle filters gas after the burning that this unit received with the centrifugal force of a turbine.And,
This air exhauster 45 provides gas after a negative pressure helps to burn in the filter efficiency and the exhaust gas discharging of first filter 42.
The preferably, the structure of combustion chamber 42 is bigger coniform of less near the pan feeding place, the corresponding other end, and rice husk is more easily flowed when pushing, and is difficult for blocking.
The preferably, feed unit 1 more comprises a pan feeding spiral 15, this pan feeding spiral 15 is sent into combustion chamber 22 with rice husk 12 in the screw feeding mode, and it drives pan feeding spiral 15 by a motor 151, and this motor 151 is by the input quantity of a speed control unit 152 control pan feeding spirals 15.Toxic emission unit 4 more comprises one second thermometer 47, the numerical value that this second thermometer 47 is measured can be judged the height of combustion chamber 22 internal temperatures, determines rice husk 12 numbers of input by the rotating speed of above-mentioned speed control unit 152 control motors 151 according to the height of gentleness.
The preferably, pan feeding spiral 15 more comprises at least one discharge gate 153, and this discharge gate 153 can be made the cleaning of pan feeding spiral 15 inside.
The preferably, heat exchange unit 3 more comprises one first thermometer 314 and at least one self closing door adjuster 312, the numerical value that this first thermometer 314 is measured can be judged the height of air port 311 internal temperatures, when temperature is too high, this self closing door adjuster 312 is opened cold air is injected cooling, cross when low when temperature, this self closing door adjuster 312 cuts out, and makes temperature reach proper temperature.
The preferably, heat exchange unit 3 more comprises at least one manual air door adjuster 313, this manual air door adjuster 313 is when air outlet 311 temperature are too high, when this self closing door adjuster 312 was opened cold air injection cooling not enough cooling still, these manual air door adjuster 313 Strengthenable cold airs injected the phenomenon of deficiency.
The preferably, feed unit 1 more comprises a temporary tube 11, at least one shower nozzle 13 and a manual current plate 14, device rice husk 12 in this temporary tube 11.This shower nozzle 13 gives appropriate time ejection gas, and the rice husk 12 in the temporary tube 11 is glided.The number control of these manual current plate 14 open amounts makes the rice husk charging number of temporary tube 11.
The preferably, feed unit 1 more comprises an automatic flow plate 16, and this automatic flow plate 16 is by a pneumatic cylinder start, and whether the unlatching of this pneumatic cylinder keeps in tube 11 chargings with closed control.
The preferably, fuel element 2 more comprises a peep pole, and this peep pole 222 is one to run through the through hole of shell body 21, inner housing 23 and combustion chamber 22, can inspect combustion chamber 22 internal combustion situations.
The preferably, fuel element 2 more comprises a carbide collecting region 223 and monocarbide load displacing screw 25, this carbide collecting region 223 is located at the opposite side of pan feeding spiral 15, to the burn carbide of ashes of the rice husk 12 of being gone into by pan feeding spiral 15 heaps promotes toward carbide collecting region 223, make it fall into carbide collecting region 223 by centrifugal force, 25 of this carbide load displacing screws are exported this carbide outward.
The preferably, first filter of toxic emission unit 4 more comprises an opening 43, and this opening 43 can be discharged lime-ash after filtering thus.
The preferably, toxic emission unit 4 more comprises one and adjusts valve 44, and this adjustment valve 44 can be controlled the flow of toxic emission.
The preferably, the toxic emission unit more comprises one second filter 46, and this second filter 46 can be made thinner enclose overanxious with institute's exhaust gas discharged.
In sum, rice husk is delivered in the temporary bucket via forklift or conveying equipment (elevator, conveyer belt etc.), adjust a suitable opening via manual current plate, activate the pan feeding screw feeding, rice husk is pushed in the combustion chamber, when pushing rice husk to an appropriate amount, by manhole cover rice husk is ignited, at this moment, pressure fan is activated, wind is entered in the combustion chamber via combustion-supporting air channel and combustion-supporting hole, mix producing combustion-supporting effect with rice husk.Rice husk is constantly pushed through the pan feeding spiral and is expected in the combustion chamber, make and pushed and move forward via the carbide after the burning, then the weight because of itself is fallen in the carbide load displacing screw when moving to combustion chamber terminal, and is transported to extra-organismal carrier or conveying device focuses on by the carbide load displacing screw.Then upwards via first filter dust and particulate separation are discharged via heat-exchange tube through the waste hot gas that burning is produced, remaining waste gas is discharged to dust storage chamber or treatment facility via the waste gas air exhauster.The required hot gas of dry rice husk is then entered by the unit top, to the heat-exchange tube heat absorption, is directed to drying machine dry rice husk by air outlet through the inlet air air channel.
Peep pole is inspected as the situation of rice husk burning.
Its air outlet thermometer and toxic emission thermometer compare when temperature rises, and then control the size that valve is adjusted in exhaust when it differs too big.When air outlet degree meter temperature surpasses dry required temperature, then controlling converter plant reduces the pan feeding revolution speed of screw to reduce conveying capacity, also control the self closing door adjustment and make cold air enter hybrid cooling this moment, then open manual air door adjustment as still lowering the temperature with cooling, cross when low when temperature, then controlling converter plant increases the rotating speed feeding and closes the adjustment self closing door automatically.After drying finishes, manual current plate is closed, and discharge gate is opened the remaining rice husk that makes in the pan feeding spiral discharge, allow the shutdown of can stopping working of rice husk burning stove in the combustion chamber.
The burning indoor design have around its nearly bottom, combustion-supporting hole then then do not have combustion-supporting hole because of avoiding ashes and rice husk to fall into, and its structure be that outside bigger is coniform near inner less, rice husk more easily flowed, difficult obstruction when pushing.
Its heat-exchange tube is designed to the structure of the whole series of modular of tool, and its internal duct is adopted and intersected the weldering system, in order to reducing the thermal efficiency or change when damaging because of using.
By the temperature device of drying machine, control converter plant and self closing door adjustment reach temperature controlling.
The pan feeding spiral is provided with discharge gate and is installed in the lower portion of combustion chamber, removes in order to the propelling movement and the discharge of rice husk.
Be provided with the drop that drops automatically in the outside of combustion chamber, its bottom is provided with one horizontal, connects the carbide load displacing screw of conveying device outside board.
Be provided with a pressure fan and combustion-supporting air channel in the periphery, combustion chamber to connect the combustion-supporting hole of combustion chamber.
The combustion chamber is provided with a peep pole pipe that runs through the board outside, in order to inspecting usefulness.
Be provided with a self closing door adjusting device (pneumatic cylinder etc.) and manual air door adjusting handle in the wind-guiding tube wall, regulate with the control air door.
Be provided with first filter for installation in exhaust manifolds, Chalk-dust filtering and be provided with a waste material air exhauster is discharged in order to waste gas, and is provided with an exhaust in pipeline and adjusts valve and toxic emission thermometer, with the control temperature and detect.
Temporary bucket bottom is provided with a manual current plate, a peep pole and an air-jet device, and to control flow and to avoid framework to produce the situation of fracture, air-jet device is established and can regularly be adjusted the spray wind time.
Below with the quality of application example explanation the utility model and prior art.Rice husk burn to burn the pluses and minuses of stove: advantage: 1. indirect, the incomplete doubt of no grill burner.2. the burning cost is low.3. help the processing of rice husk discarded object.4. the smoked carbon of Chan Shenging can use or do the additional income of native bad modifying agent raising for steel mill.Shortcoming: 1. acquisition cost height.2. the problem that the big rice husk that takes up space is obtained.Temperature control be difficult for and structure complicated.The contaminative of Ran Shao toxic emission and the control cost.The pluses and minuses of diesel combustion: advantage: 1. acquisition cost is low.2. the little and diesel oil in space is obtained conveniently.3. temperature precise control, the rate of change is little.Shortcoming: 1. incomplete combustion easily produces greasy smell.2. diesel oil use cost height.3. directly heating, the probability height of board takes place to burn in board.The comparison of rice husk combustion furnace and diesel combustion machine
| The rice husk combustion furnace | The diesel combustion machine | |
| Caloic | The every kg of rice husk is 3600 kilocalories. | The every kg of diesel oil is 10280 kilocalories, and every liter is 14.3 yuan. |
| Cost with the required drying of 50TON rice husk | Every acquisition cost is about 600,000, but Yu Yinian reclaims. | Every acquisition cost is about 100,000. |
| Combustion system | Each dry rice husk, required rice husk are 1400kg, and domestic rice husk need not cost at present. | Each dry rice husk need consume 7436 yuan of the about New Taiwan Currencies of 5201 diesel oil, annual every is used 520,520 yuan of fuel costs altogether 70 times. |
| Institute takes up space | Indirect, thermal source totally do not have greasy smell. | Directly heat, easily produce the greasy smell of incomplete combustion. |
| Combustion system | The space is big | The space is little |
| Dangerous | The operation safety, indirect does not have the Mars danger of incomplete combustion. | Directly heat, easily produce the Mars of incomplete combustion, produce the danger of burning board. |
| Added benefit | Effectively solve the rice husk handling problem and reduce environmental issue, the discarded object after the burning is endured in increase, utilizes surcharge again. | Do not have added benefit, only can increase the use of the energy. |
The above only is preferred embodiment of the present utility model, can not be used for limiting the utility model scope.All equalizations of being done according to the utility model claim change and modify, and will not lose main idea of the present utility model place, also do not break away from spirit and scope of the present utility model, and the former capital should be considered as further enforcement situation of the present utility model.
Claims (5)
1, a kind of to have with the rice husk be the air-heater of fuel, and the hot blast that it produced can connect the place that causes required use by another equipment with extractor fan, comprising: a feed unit, a fuel element, a heat exchange unit and a toxic emission unit;
Rice husk can be loaded in described feed unit inside;
Described fuel element comprises:
One shell body;
One combustion chamber, this combustion chamber is a ducted body, is located at this shell body inside, can receive the rice husk of feed unit in a side;
One manhole cover, this manhole cover is located at the combustion chamber opposite side, can light rice husk in this hole;
One inner housing, this inner housing are located between shell body and the combustion chamber, form:
One combustion-supporting air channel, this combustion-supporting air channel is located between inner housing and the combustion chamber, forms a runner space, and the air of guiding hull outside enters to the combustion chamber; And,
One inlet air air channel, this inlet air air channel is located between inner housing and the shell body, forms one
Flow channel space is to provide a negative pressure with sky by an external equipment with extractor fan
Conductance causes the inlet air air channel;
Wherein, above-mentioned combustion-supporting air channel comprises a pressure fan, and this pressure fan connects combustion-supporting
The air channel is via the flow of inlet air and the rice husk controllable number system heat outputting of inside, combustion chamber
The number of amount;
Described heat exchange unit is connected with fuel element, comprises:
One cylinder, this cylinder has an air outlet; And,
One heat-exchange tube, this heat-exchange tube are located at column body and are had independently runner, intersect by some pipe fittings to be welded on the sheet material at two ends, and be a replaceable module;
Wherein, the gas after the above-mentioned combustion chambers burn is by the heat-exchange tube guided inside; Above-mentioned
The guiding of the air in inlet air air channel as for after cylinder and the heat-exchange tube intercropping heat exchange by this
Air outlet with the hot blast that produces by another equipment with extractor fan connect cause required
The place of using; And,
Described toxic emission unit comprises:
Plurality of rows airway, this exhaust manifolds connect being connected of each assembly in heat exchange unit and toxic emission unit and the toxic emission unit;
One first filter, this first filter will bigger particle filters gas after the burning that this unit received with the centrifugal force of a turbine; And,
One air exhauster, this air exhauster provide gas after a negative pressure helps to burn in the filter efficiency and the exhaust gas discharging of first filter.
2, as claimed in claim 1 to have with the rice husk be the air-heater of fuel, and the structure that it is characterized in that the combustion chamber is for less near the pan feeding place, and bigger coniform of the corresponding other end more easily flowed rice husk when pushing, be difficult for blocking; And this feed unit comprises a pan feeding spiral, and this pan feeding spiral is sent into the combustion chamber with rice husk in the screw feeding mode, and it drives the pan feeding spiral by a motor, and this motor is by the input quantity of speed control unit control pan feeding spiral; The toxic emission unit more comprises one second thermometer, and the numerical value that this second thermometer is measured can be judged the height of combustion chamber internal temperature, determines the rice husk number of input by the rotating speed of above-mentioned speed control unit control motor according to the height of temperature.
3, as claimed in claim 1 to have with the rice husk be the air-heater of fuel, it is characterized in that the pan feeding spiral more comprises at least one discharge gate, and this discharge gate is removed pan feeding spiral inside; And, this heat exchange unit comprises one first temperature and takes into account at least one self closing door adjuster, the numerical value that this first thermometer is measured can be judged the height of air port internal temperature, when temperature is too high, this self closing door adjuster is opened cold air is injected cooling, cross when low when temperature, this self closing door adjuster cuts out, and makes temperature reach proper temperature; In addition, heat exchange unit more comprises at least one manual air door adjuster, this manual air door adjuster is when the air outlet temperature is too high, and when this self closing door adjuster was opened cold air injection cooling not enough cooling still, this manual air door adjuster Strengthenable cold air injected the phenomenon of deficiency.
4, as claimed in claim 1 to have with the rice husk be the air-heater of fuel, it is characterized in that feed unit more comprises a temporary tube, at least one shower nozzle and a manual current plate, installs a rice husk in this temporary tube; This shower nozzle gives appropriate time ejection gas, and the rice husk in the temporary tube is glided; The number control of this manual current plate open amount makes the rice husk charging number of temporary tube; And this feed unit more comprises an automatic flow plate, and this automatic flow plate is by a pneumatic cylinder start, and whether the unlatching of this pneumatic cylinder keeps in the tube charging with closed control; In addition, this fuel element more comprises a peep pole, and this peep pole is one to run through the through hole of shell body, inner housing and combustion chamber, can inspect combustion chamber internal combustion situation.
It is 5, as claimed in claim 1 that a kind of to have with the rice husk be the air-heater of fuel, it is characterized in that fuel element more comprises a carbide collecting region and monocarbide load displacing screw, this carbide collecting region is located at the opposite side of pan feeding spiral, by the pan feeding spiral pile into will the burn carbide of ashes of rice husk promote toward the carbide collecting region, make it fall into the carbide collecting region by centrifugal force, this carbide load displacing screw is then exported this carbide outward; And first filter of this toxic emission unit more comprises an opening, and this opening can be discharged lime-ash after filtering thus; In addition, the toxic emission unit more comprises one and adjusts valve and one second filter, and this adjustment valve can be controlled the flow of toxic emission, and this second filter can be done trickleer filtration with institute's exhaust gas discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01270585 CN2516888Y (en) | 2001-11-14 | 2001-11-14 | Air-heater using rice husk as fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01270585 CN2516888Y (en) | 2001-11-14 | 2001-11-14 | Air-heater using rice husk as fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2516888Y true CN2516888Y (en) | 2002-10-16 |
Family
ID=33676179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01270585 Expired - Lifetime CN2516888Y (en) | 2001-11-14 | 2001-11-14 | Air-heater using rice husk as fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2516888Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413891A (en) * | 2019-08-23 | 2021-02-26 | 克麦罗沃安全设备试验厂股份公司 | Modularized heat energy complex and method for heating mine air by using same |
| WO2024039357A1 (en) * | 2022-08-17 | 2024-02-22 | МАРИЙЧИН, Андрей Васильевич | Heat generating system |
-
2001
- 2001-11-14 CN CN 01270585 patent/CN2516888Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413891A (en) * | 2019-08-23 | 2021-02-26 | 克麦罗沃安全设备试验厂股份公司 | Modularized heat energy complex and method for heating mine air by using same |
| WO2024039357A1 (en) * | 2022-08-17 | 2024-02-22 | МАРИЙЧИН, Андрей Васильевич | Heat generating system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20111114 Granted publication date: 20021016 |