CN201034327Y - Household vertical coal boiler - Google Patents
Household vertical coal boiler Download PDFInfo
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- CN201034327Y CN201034327Y CNU2007200213272U CN200720021327U CN201034327Y CN 201034327 Y CN201034327 Y CN 201034327Y CN U2007200213272 U CNU2007200213272 U CN U2007200213272U CN 200720021327 U CN200720021327 U CN 200720021327U CN 201034327 Y CN201034327 Y CN 201034327Y
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Abstract
A domestic vertical coal boiler comprises an expansion tank connected with the upper part of a shell of the boiler, a grate at the lower part of a furnace preheating jacket and a refractory concrete arranged in the furnace preheating jacket. The domestic vertical coal boiler is characterized in that the refractory concrete is arranged at the peripheral of the lower part of the furnace preheating jacket. The naked internal wall of the furnace preheating jacket is in the middle. Water in the shell of the boiler directly contacts with radiant heating surface to effectively reduce the production of NOx. The refractory concrete is arranged at the lower part of the furnace preheating jacket to form a burning protection region to make coal burn quickly. The refractory concrete is arranged at the upper part of the furnace preheating jacket to make fuel incompletely burned in flue burn completely further. The shell of the boiler composed of hot water region and cold water region with an air insulation layer in the middle has the advantages of saving of energy, safety and fast temperature rising. A helical heating coil makes water circulate with high speed. The dust removal effect of an expanding region of smoke box is significant. The utility model is a multipurpose domestic coal boiler which is an integrality of warming, drinking, condensing water, traditional heating of water and cooking with little producing and emission of NOx.
Description
Technical field
The utility model belongs to the residential coal combustion stove and accessory, a kind of specifically vertical coal burning boiler of family expenses that reduces the nitrogen oxide NOx generation.
Background technology
Nitrogen oxide NOx contaminated environment, harm humans health have caused the attention of various countries.Mainly from the burning of fuel, generation and the discharging of control combustion process NOx are the basic methods of protection environment to the NOx of atmosphere pollution, and the generation and the discharging that reduce cooking stove NOx are problem demanding prompt solutions.In the technology of various reduction NOx, the low NOx combusting technology of improvement stove internal combustion situation adopts the widest, simple relatively, economical and effectively, wherein reasonably reducing the interior ignition temperature of burner hearth is a kind of important means.The refractory concrete that existing domestic briquet stove burner hearth periphery is laid has produced a large amount of NOx when guaranteeing coal after-flame and steady combustion.
Summary of the invention
The utility model produces the more drawback of NOx at existing domestic briquet stove, provides a kind of and can reduce the vertical coal burning boiler of family expenses that NOx produces again when guaranteeing bunker coal after-flame and steady combustion.
Goal of the invention of the present utility model is to be realized by following technical scheme: the vertical coal burning boiler of a kind of family expenses, comprise the expansion tank 1 that connects shell top, the refractory concrete of laying in the fire grate 28 of flue bottom, flue 10 is characterized in that refractory concrete 10 is laid in the periphery of flue bottom.
The flue bottom is burnt coal by the combustion district that defends that refractory concrete 10 surrounds rapidly, and this water of defending in the combustion district top shell directly contacts radiation heating-surface, flue gas heat is taken away rapidly, made Control for Kiln Temperature, reduced the generation of NOx effectively below 900 ℃.When guaranteeing bunker coal after-flame and steady combustion, reduced the generation of NOx.
The periphery on flue top is laid refractory concrete 10, and the flue middle part is the inboard wall of furnace that exposes.The refractory concrete 10 that the flue top periphery is laid surrounds another and defends the combustion district, when clean-burning fuel is arranged in the flue gas not, be able to further completing combustion, and the water in the shell of middle part directly contacts radiation heating-surface, play the effect that reduces furnace temperature, reduces the NOx generation.
Shell is divided into the hot water thermal treatment zone 13 and cold water area 4, and cold water area 4 is enclosed within the outside of the hot water thermal treatment zone 13, and one deck air heat-insulation layer 6 is arranged between the two; The hot water thermal treatment zone 13 links to each other with the bottom of cold water area 4, the madial wall of the top connection cold water area 4 of the hot water thermal treatment zone 13; Expansion tank 1 is connected cold water area 4 tops, and cold water inlet 23 is in cold water area 4 bottoms; The drinking hot water outlet 21 that connects the hot water thermal treatment zone 13 passes cold water area 4.Cold water area 4 absorbs the heat of the hot water thermal treatment zone 13 shells to space radiation, has reduced the radiation loss of boiler, and is energy-conservation; The outside wall temperature of cold water area 4 is very low, and is safe in utilization; The water yield in the hot water thermal treatment zone 13 is few, can be very fast be heated use.
Highly the place is installed by temperature thermocouple 18 near drinking hot water outlet 21 in the hot water thermal treatment zone 13.When water temperature reaches the temperature that temperature thermocouple 18 sets, drinking hot water outlet 21 use that can discharge water.
Around flues spiral helicine heat(ing) coil 7 is installed in the hot water thermal treatment zone 13, the heating water out 27 on heat(ing) coil 7 tops and the heating water of bottom are answered back and 25 are passed cold water area 4.By Fast Heating the hot water thermal treatment zone 13 added water in the heat(ing) coil 7 rapidly, water is answered back at warm oneself water out 27 and heating water and has been formed the bigger temperature difference between 25, water in the heat(ing) coil 7 is circulated fast, hot water flows to warming tool from heating water out 27, and the backwater of warming tool is answered back through heating water and 25 flowed back to heat(ing) coil 7.
Descending smoke pipe 19 and updraught flue 5 are arranged in the hot water thermal treatment zone 13; The import of smoke pipe 19 is on the hot water thermal treatment zone 13, and outlet is in the smoke box dilatation district 8 of 13 bottoms, the hot water thermal treatment zone; The import of flue 5 is in smoke box dilatation district 8, and outlet passes from cold water area 4 and connects chimney 26.Flue gas is the heat exchange cooling in burner hearth, between the cold water area 4 and the hot water thermal treatment zone 13, enter smoke pipe 19 from upper furnace, flue gas flow rate improves, strengthened disturbance, improved heat exchange, when coming downwards to smoke box dilatation district 8, the sudden enlargement of flue gas circulation area, flue gas flow rate descends, and flue dust drops to here in a large number, and flue gas enters flue 5 and flows to chimney 26 thereafter, the smoke pipe 19, the flue 5 that are in the water greatly reduce exhaust gas temperature, carried out heat exchange fully, thermal efficiency height, the dust removing effects in smoke box dilatation district 8 is obvious.
Condensed water water tank 14 is arranged in the cold water area 4; Condensed water cooling tube 15 1 ends are communicated with condensed water water tank 14, and the other end cooperates with ball-cock assembly 16 more than the water level of the hot water thermal treatment zone 13; The condensation-water drain 20 that is communicated with condensed water water tank 14 passes cold water area 4.When the big generation steam of the heat of the hot water thermal treatment zone 13, the ball float of ball-cock assembly 16 rises and opens the mouth of pipe of cooling tube 15 other ends, and unnecessary steam enters condensed water cooling tube 15, and the cooling back flows into condensed water water tank 14, its heat is absorbed by cold water area 4, and the condensed water of cleaning can be utilized.
Fire grate 28 connects the outer slag rocking bar 11 that falls of shells, lime-ash case 9 is arranged below the burner hearth, and lime-ash case 9 connects smoke box dilatation districts 8, sideboard 29 is arranged below the smoke box dilatation district 8.The hand slag rocking bar 11 that falls, the lime-ash in the burner hearth is fallen into lime-ash case 9 by cleaning, takes out out sideboard 29, and the flue dust in the smoke box dilatation district 8 fall into lime-ash case 9.
The utility model has the advantages that: refractory concrete is not laid at the middle part of flue, water in the shell directly contacts radiation heating-surface, heat is taken away rapidly, make Control for Kiln Temperature below 900 ℃, reduced the generation of NOx effectively, the formation of flue bottom laying refractory concrete is defended and is fired the district, and coal is burnt rapidly, can reduce generation and the discharging of NOx when guaranteeing the coal after-flame and surely firing again.The periphery on flue top is laid refractory concrete, and the flue middle part is the inboard wall of furnace that exposes.The refractory concrete that the flue top periphery is laid surrounds another and defends the combustion district, when not clean-burning fuel is arranged in the flue gas, is able to further completing combustion.Energy-conservation, safe in utilization, the hot water quick heating of forming by the hydrothermal area and the cold water area of air heat-insulation layer by the centre of shell.The heating of the water in the shape heat(ing) coil is fast in the shape of a spiral in the hydrothermal area, has formed bigger upper and lower temperature difference, and water circulating speed is fast.Cold water area upper opening place can be used to heat up water, cook etc.The smoke pipe, the flue that are in the water greatly reduce exhaust gas temperature, have carried out heat exchange fully, thermal efficiency height, and the dust removing effects in smoke box dilatation district is obvious.During the big generation steam of hydrothermal area's heat, the condensed water water tank is collected when can be utilized condensed water, and unnecessary heat is absorbed accumulation of energy by cold water area.High low water level electrode cooperates with magnetic valve before the cold water inlet in the expansion tank, makes to the water that adds of cold water area and realizes automatic control.The utility model is a kind of heating, heating up water and cook for drinking-water and condensed water, tradition produces and discharge few multipurpose domestic coal burning boiler for one, NOx.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical view that Fig. 1 removes expansion tank and kettle.
The specific embodiment
The cold water area 4 of shell is enclosed within the outside of the hot water thermal treatment zone 13 among the figure, one deck air heat-insulation layer 6 is arranged between the two, the hot water thermal treatment zone 13 links to each other with the bottom of cold water area 4, the madial wall of the top connection cold water area 4 of the hot water thermal treatment zone 13, cold water area 4 absorb the heat of the hot water thermal treatment zone 13 shells to space radiation, and be energy-conservation, the outside wall temperature of cold water area 4 is very low, safe in utilization, the water yield in the hot water thermal treatment zone 13 is few, can be very fast be heated use.Cold water area 4 upper openings, opening part is heated to be kettle.Expansion tank 1 is connected cold water area 4 tops.The front is connected with the cold water inlet 23 of magnetic valve 24 in cold water area 4 bottoms, and running water injects cold water area 4 through magnetic valve 24, cold water inlet 23.The drinking hot water outlet 21, the standby hot water outlet 22 that connect the hot water thermal treatment zone 13 pass cold water area 4, highly locate to install temperature thermocouple 18 near drinking hot water outlet 21, standby hot water outlet 22, when water temperature reaches 95 ℃ that temperature thermocouple 18 sets, the use that can discharge water of drinking hot water outlet 21, standby hot water outlet 22.Be fire grate 28 below the burner hearth Zhong Mei district 12.Refractory concrete 10 is laid in the periphery of flue upper and lower, the middle part of flue does not have refractory concrete 10, it is the shell inwall, the flue bottom is burnt coal by the combustion district that defends that refractory concrete 10 surrounds rapidly, and this water of defending in the hot water thermal treatment zone, top, combustion district 13 directly contacts radiation heating-surface, heat is taken away rapidly, make Control for Kiln Temperature below 900 ℃, reduced the generation of NOx effectively, when guaranteeing bunker coal after-flame and steady combustion, can reduce the generation of NOx again, the refractory concrete 10 that the flue top periphery is laid surrounds another and defends the combustion district, when not clean-burning fuel is arranged in the flue gas, is able to further completing combustion.Around flue spiral helicine heat(ing) coil 7 is installed in the hot water thermal treatment zone 13, the heating water out 27 on heat(ing) coil 7 tops and the heating water of bottom are answered back and 25 are passed cold water area 4, by Fast Heating the hot water thermal treatment zone 13 heated water in the heat(ing) coil 7 rapidly, water is answered back at warm oneself water out 27 and heating water and has been formed the bigger temperature difference between 25, water in the heat(ing) coil 7 is circulated fast, hot water flows to warming tool from heating water out 27, and the backwater of warming tool is answered back through heating water and 25 flowed back to heat(ing) coil 7.Descending smoke pipe 19 and updraught flue 5 are arranged in the hot water thermal treatment zone 13, the import of smoke pipe 19 is on the hot water thermal treatment zone 13, outlet is in the smoke box dilatation district 8 of 13 bottoms, the hot water thermal treatment zone, the import of flue 5 is in smoke box dilatation district 8, outlet passes from cold water area 4 and connects chimney 26, flue gas is the heat exchange cooling in burner hearth, enter smoke pipe 19 from upper furnace between the cold water area 4 and the hot water thermal treatment zone 13, flue gas flow rate improves, and has strengthened disturbance, improved heat exchange, when coming downwards to smoke box dilatation district 8, the sudden enlargement of flue gas circulation area, flue gas flow rate descends, flue dust drops to here in a large number, thereafter flue gas enters flue 5 and flows to chimney 26, is in the smoke pipe 19 in the water, flue 5 greatly reduces exhaust gas temperature, has carried out heat exchange fully, thermal efficiency height, the dust removing effects in smoke box dilatation district 8 is obvious.Condensed water water tank 14 is in cold water area 4, condensed water cooling tube 15 1 ends are communicated with condensed water water tank 14, the other end is more than the water level of the hot water thermal treatment zone 13, cooperate with ball-cock assembly 16, the condensation-water drain 20 that is communicated with condensed water water tank 14 passes cold water area 4, when the big generation steam of the heat of the hot water thermal treatment zone 13, the ball float of ball-cock assembly 16 rises and opens the mouth of pipe of cooling tube 15 other ends, unnecessary steam enters condensed water cooling tube 15, the cooling back flows into condensed water water tank 14, its heat is absorbed by cold water area 4, and the condensed water of cleaning can be utilized.High low water level electrode 2 is set in the expansion tank 1, and high low water level electrode 2 connects magnetic valves 24, and the water in the expansion tank 1 pass by high low water level electrode 2 control magnetic valves 24, is opened when high and low water level, makes to the water that adds of cold water area 4 and realizes control automatically.Glass tube water level displaying tube 3 is arranged on the expansion tank 1, and the water level of expansion tank 1 can now show intuitively.Fire grate 28 connects the outer slag rocking bar 11 that falls of shell, lime-ash case 9 is arranged below the burner hearth, lime-ash case 9 connects smoke box dilatation district 8, below the smoke box dilatation district 8 sideboard 29 is arranged, the hand slag rocking bar 11 that falls, lime-ash in the burner hearth is fallen into lime-ash case 9 by cleaning, takes out out sideboard 29, and the flue dust in the smoke box dilatation district 8 falls into lime-ash case 9.
The utility model be a kind ofly collect heating, heating up water and cook for drinking-water and condensed water, tradition produces and discharges few multipurpose domestic coal burning boiler for one, NOx.
Claims (10)
1. the vertical coal burning boiler of family expenses comprises the expansion tank (1) that connects shell top, and the refractory concrete of laying in the fire grate of flue bottom (28), flue (10) is characterized in that refractory concrete (10) is laid in the periphery of flue bottom.
2. the vertical coal burning boiler of a kind of family expenses according to claim 1 is characterized in that the periphery on flue top is laid refractory concrete (10), and the flue middle part is the inboard wall of furnace that exposes.
3. the vertical coal burning boiler of a kind of family expenses according to claim 1 is characterized in that shell is divided into the hot water thermal treatment zone (13) and cold water area (4), and cold water area (4) is enclosed within the outside of the hot water thermal treatment zone (13), and one deck air heat-insulation layer (6) is arranged between the two; The hot water thermal treatment zone (13) links to each other with the bottom of cold water area (4), the madial wall of the top connection cold water area (4) of the hot water thermal treatment zone (13); Expansion tank (1) is connected cold water area (4) top, and cold water inlet (23) is in cold water area (4) bottom; The drinking hot water outlet (21) that connects the hot water thermal treatment zone (13) passes cold water area (4).
4. the vertical coal burning boiler of a kind of family expenses according to claim 3 is characterized in that highly locating to install temperature thermocouple (18) near drinking hot water outlet (21) in the hot water thermal treatment zone (13).
5. according to claim 3 or the vertical coal burning boiler of 4 described a kind of family expenses, it is characterized in that around flue spiral helicine heat(ing) coil (7) being installed in the hot water thermal treatment zone (13), the heating water out (27) on heat(ing) coil (7) top and the heating water of bottom answer back (25) pass cold water area (4).
6. the vertical coal burning boiler of a kind of family expenses according to claim 3 is characterized in that cold water area (4) upper opening.
7. according to claim 3 or the vertical coal burning boiler of 4 described a kind of family expenses, it is characterized in that descending smoke pipe (19) and updraught flue (5) are arranged in the hot water thermal treatment zone (13); The import of smoke pipe (19) is on the hot water thermal treatment zone (13), and outlet is in the smoke box dilatation district (8) of bottom, the hot water thermal treatment zone (13); The import of flue (5) is in smoke box dilatation district (8), and outlet passes from cold water area (4) and connects chimney (26).
8. the vertical coal burning boiler of a kind of family expenses according to claim 3 is characterized in that condensed water water tank (14) is arranged in the cold water area (4); Condensed water cooling tube (15) one ends are communicated with condensed water water tank (14), and the other end cooperates with ball-cock assembly (16) more than the water level of the hot water thermal treatment zone (13); The condensation-water drain (20) that is communicated with condensed water water tank (14) passes cold water area (4).
9. the vertical coal burning boiler of a kind of family expenses according to claim 3, it is characterized in that cold water inlet (23) is preceding has a magnetic valve (24), and high low water level electrode (2) is set in the expansion tank (1), and high low water level electrode (2) connects magnetic valve (24).
10. the vertical coal burning boiler of a kind of family expenses according to claim 1, it is characterized in that fire grate (28) connects the outer slag rocking bar (11) that falls of shell, lime-ash case (9) is arranged below the burner hearth, and lime-ash case (9) connects smoke box dilatation district (8), sideboard (29) is arranged below the smoke box dilatation district (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200213272U CN201034327Y (en) | 2007-04-27 | 2007-04-27 | Household vertical coal boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200213272U CN201034327Y (en) | 2007-04-27 | 2007-04-27 | Household vertical coal boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201034327Y true CN201034327Y (en) | 2008-03-12 |
Family
ID=39195218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200213272U Expired - Fee Related CN201034327Y (en) | 2007-04-27 | 2007-04-27 | Household vertical coal boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201034327Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157067A (en) * | 2014-06-07 | 2015-12-16 | 江苏神工灶具有限公司 | Coal combustion type energy-saving cooking stove |
-
2007
- 2007-04-27 CN CNU2007200213272U patent/CN201034327Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157067A (en) * | 2014-06-07 | 2015-12-16 | 江苏神工灶具有限公司 | Coal combustion type energy-saving cooking stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20120427 |