Movable furnace grate gasification rotary combustion boiler
Technical field
The present invention relates to a kind of boiler plant, belong to unit, school collective's heating, heat up water and use boiler, is a kind of movable furnace grate gasification rotary combustion boiler.
Background technology
Pressure-less boiler of the prior art, the flue in the body of heater is shorter relatively, can not make full use of the waste heat of flue, and generally all is equipped with electronic combustion-supporting equipment such as air blast, air-introduced machine or circulating pump or helps recycle unit.Noise pollution is arranged, shortcoming such as the electricity charge are more during work.Part boiler has saved air inducing, air blast etc., aspect economize on electricity, remarkable progress has been arranged.But, exist coal separation maybe must burn the lump coal more than two types aspect the fuel being suitable for, produce coal self whole heat energy of performance fully in burning.On the energy-conservation stove of circle, do not have movable furnace grate, can not send oxygen, scarfing cinder by automatic ventilation, simultaneously, increased certain labour intensity yet.
Summary of the invention
The objective of the invention is to avoid above-mentioned weak point of the prior art; The rotary combustion that adopts the spiral convolution to rise in a kind of body of heater is provided; Fully absorb the boiler of smoke discharging residual heat, reduce heat loss, improve the thermal efficiency; Reduce smoke contamination, during work without non-electric power economized boilers of electronic combustion-supporting facility such as air blast, air-introduced machines.
The object of the invention is realized through following measure:
A kind of movable furnace grate gasification rotary combustion boiler mainly is made up of the revolving combustor 10 in furnace body outer wall 6, inboard wall of furnace body 9, the body of heater, floral disc 12, fire-proof plate 13 combustion chambers 16, movable furnace grate 21, it is characterized in that movable furnace grate 21 is arranged at cylindrical furnace outer wall 6 bottoms; Be combustion chamber 16 above the movable furnace grate 21, there is fire door 17 16 sides, combustion chamber, and 16 tops have 4 oblique water service pipes 14 of body of heater that communicate with body of heater both sides body of heater water layer 11 at least in the combustion chamber; 16 top-side have atomized water spray mouth 15 in the combustion chamber, above the oblique water service pipe 14 of body of heater cylindrical fire-proof plate 13 are arranged, and there is fan-shaped smokejack 24 cylindrical fire-proof plate 13 both sides; In the middle of the cylindrical fire-proof plate 13 body of heater water layer 11 is arranged, have 5 smoke exhaust pipes 25 at least on the body of heater water layer 11 in the middle of the cylindrical fire-proof plate 13, cylindrical floral disc 12 is arranged above the cylindrical fire-proof plate 13; In the cylindrical floral disc 12 body of heater water layer 11 is arranged; Be evenly distributed with big smoke exhaust pipe 22 and float smoke pipe 23 on the cylindrical floral disc 12, between cylindrical floral disc 12 and the cylindrical fire-proof plate 13 inspection socket 7 arranged, the revolving combustor 10 of convolution rising in the shape of a spiral in the bodies of heater above the cylindrical floral disc 12; There is pyrotechnics pipe 8 to be connected between the two-layer up and down revolving combustor 10; Revolving combustor 10 on furnace body outer wall 6 in every joint body of heater has inspection socket 7, and revolving combustor 10 tops and exhaust opening 2 are connected, and cylindrical furnace outer wall 6 bottom movable furnace grates 21 are rounded; Circular movable furnace grate has two fire bars supporting traverses 26 for 21 times; Fire bars supporting traverse 26 both sides are fixed on the furnace body outer wall 6, and fixed grate 27 and movable fire bars 28 are arranged on two fire bars supporting traverses 26, and fixed grate 27 is alternately with movable fire bars 28; Movable fire bars 28 is disconnect type from the centre; Gap overlaps 29 suits with movable fire bars fixed card in the middle of each movable fire bars 28, and movable axis 30 of each movable fire bars fixed card cover 29 usefulness connects with each corresponding cutting ferrule connecting rod 31, and movable axis 30 of each cutting ferrule connecting rod 31 usefulness connects with each corresponding turning cylinder connecting rod 32; Fixed axis of each turning cylinder connecting rod 32 usefulness 33 connects; Fixed axis 33 both sides are fixed on the furnace body outer wall 6, and movable furnace grate spanner lever 20 is fixed on the turning cylinder connecting rod 32 through fixed axis 33, and atmospheric communicating pipe 1, Pressure gauge 3 and thermometer mouth 4 are arranged at furnace body outer wall 6 tops; Furnace body outer wall 6 top-side have delivery port 5, and furnace body outer wall 6 downsides have return pipe 18 and sewage draining exit 19.
The present invention compared with prior art has following beneficial effect:
1, the lengthening of the flue in the body of heater can make full use of smoke discharging residual heat, reduces heat loss, improves the thermal efficiency, is sparing in the use of coal.
2, sufficient combustion is not arranged black smoke, reduces smoke contamination, helps environmental protection.
3, applied range: rural area one-storey house, building, milking station, public place all can use.
4, the adaptation fuel type is many: all kinds of coals, be regardless of first coal, lump coal, and the corncob in rural area, broken tangerine bars etc. can be done fuel and burn the stove heat supply
5, need not use air blast, electronic facility such as air-introduced machine, the operation noiselessness is saved the electricity charge, and one-time investment is few.Normal-pressure boiler is as long as guarantee the water normal circulation, and is safe and reliable.
Description of drawings
Fig. 1 is a movable furnace grate gasification rotary combustion boiler cross-sectional view;
Fig. 2 is Figure 1A-A cross-sectional view;
Fig. 3 is Figure 1B-B cross-sectional view;
Fig. 4 is Fig. 1 C-C cross-sectional view;
Fig. 5 is single-unit activity fire bars and a fixing annexation cross-sectional view between cutting ferrule, the spanner lever on the movable furnace grate.
More than among each figure: 1. atmospheric communicating pipe, 2. exhaust opening, 3. Pressure gauge, 4. thermometer mouth, 5. delivery port, 6. furnace body outer wall; 7. inspection socket, 8. pyrotechnics pipe, 9. inboard wall of furnace body, the 10. revolving combustor in the body of heater, 11. body of heater water layers, 12. floral discs; 13. fire-proof plate, the oblique water service pipe of 14. bodies of heater, 15. atomized water spray mouths, 16. combustion chambers, 17. fire doors, 18. return pipes; 19. sewage draining exit, 20. movable furnace grate spanner levers, 21. movable furnace grates, the big smoke exhaust pipe on 22. floral discs, the little smoke exhaust pipe on 23. floral discs; 24. fire-proof plate both sides smokejack, the smoke exhaust pipe on 25. fire-proof plates, 26. fire bars supporting traverses, 27. fixed grates, 28. movable fire bars; 29. movable fire bars fixed card cover, 30. movable axis, 31. cutting ferrule connecting rods, 32 turning cylinder connecting rods, 33. fixed axis.
The specific embodiment
A kind of movable furnace grate gasification rotary combustion boiler; It is characterized in that movable furnace grate 21 is arranged at cylindrical furnace outer wall 6 bottoms, is combustion chamber 16 above the movable furnace grate 21, and there is fire door 17 16 sides, combustion chamber; 4 oblique water service pipes 14 of body of heater that communicate with body of heater both sides body of heater water layer 11 are arranged at 16 tops in the combustion chamber; 16 top-side have atomized water spray mouth 15 in the combustion chamber, when temperature reaches more than 1000 degrees centigrade, spray spray water through atomized water spray mouth 15 automatically to coal combustion very hot oven district; Increase combustion of hydrogen, improved nearly 4 times of heat.Above the oblique water service pipe 14 of body of heater cylindrical fire-proof plate 13 is arranged; There is fan-shaped smokejack 24 cylindrical fire-proof plate 13 both sides, in the middle of the cylindrical fire-proof plate 13 body of heater water layer 11 are arranged, and on the body of heater water layer 11 5 smoke exhaust pipes 25 are arranged in the middle of the cylindrical fire-proof plate 13; Cylindrical floral disc 12 is arranged above the cylindrical fire-proof plate 13; In the cylindrical floral disc 12 body of heater water layer 11 is arranged, be evenly distributed with 9 big smoke exhaust pipes 22 and 8 float smoke pipes 23 on the cylindrical floral disc 12, between cylindrical floral disc 12 and the cylindrical fire-proof plate 13 inspection socket 7 is arranged; The revolving combustor 10 that rises of convolution in the shape of a spiral in the bodies of heater above the cylindrical floral disc 12; Have pyrotechnics pipe 8 to be connected between the two-layer up and down revolving combustor 10, pyrotechnics pipe 8 one is logical pyrotechnics, the 2nd, play tension.Revolving combustor 10 on furnace body outer wall 6 in every joint body of heater has inspection socket 7, and inspection socket can be carried air (oxygenating) naturally in stove, and simultaneously, inspection socket can also be cleared up the dust on the rotation flue 10.Revolving combustor 10 tops and exhaust opening 2 are connected; Cylindrical furnace outer wall 6 bottom movable furnace grates 21 are rounded; Circular movable furnace grate has two fire bars supporting traverses 26 for 21 times, and fire bars supporting traverse 26 both sides are fixed on the furnace body outer wall 6, and fixed grate 27 and movable fire bars 28 are arranged on two fire bars supporting traverses 26; Fixed grate 27 is alternately with movable fire bars 28; Movable fire bars 28 is disconnect type from the centre, and gaps overlap 29 suits with movable fire bars fixed card in the middle of each movable fire bars 28, each movable fire bars fixed card movable axis 30 of cover 29 usefulness and each corresponding cutting ferrule connecting rod 31 connection; Movable axis 30 of each cutting ferrule connecting rod 31 usefulness connects with each corresponding turning cylinder connecting rod 32; Fixed axis of each turning cylinder connecting rod 32 usefulness 33 connects, and fixed axis 33 both sides are fixed on the furnace body outer wall 6, and movable furnace grate spanner lever 20 is fixed on the turning cylinder connecting rod 32 through fixed axis 33.When needs ventilation, deashing; When pulling movable furnace grate spanner lever 20 downwards with hand; Movable furnace grate spanner lever 20 through fixed axis 33 turning cylinder connecting rod 32 upwards push card overlap connecting rod 31; Cutting ferrule connecting rod 31 promotion activity fire bars fixed card cover 29 moves up, and makes to be sleeved on fixedly that cutting ferrule 29 interior movable fire bars 28 move up, and can make movable fire bars 28 be moved down into original position on the contrary.Movable fire bars 28 pumps, and activity is 10-20cm scope (activity is adjustable), can manual or electronic mode, make movable furnace grate 21 can automatic ventilations, deashing.Movable furnace grate 21 perisporiums are built with refractory material, so that it is fast to open fire, can increase calorific value simultaneously.Atmospheric communicating pipe 1, Pressure gauge 3 and thermometer mouth 4 are arranged at furnace body outer wall 6 tops, and furnace body outer wall 6 top-side have delivery port 5, and furnace body outer wall 6 downsides have return pipe 18 and sewage draining exit 19.
Stove internal combustion state.Roughly be divided into two combustion chambers in the stove, fire-proof plate is burning of coal chamber 16 13 times in the stove, and for example: press external diameter 160cm, internal diameter 140cm, the stove branch of high 490cm specification, the height of coal combustion chamber 16 reach 180cm, 15386 square centimeters of burner hearth floor spaces.Floral disc 12 can be described as gas revolving combustor 10 to exhaust opening 2, the height 260cm of this combustion chamber.Fire-proof plate to floral disc is a gasification, and fire-proof plate and floral disc also are the necessary conditions of gasification.Ignition of the boiler is without facilities such as air blast, air inducing.With brown coal is that example is seen the burner state, on fire very fast after coal is lighted, and full flames do gets into prosperous combustion degree in 10 minutes.Combustion chamber 16 red-hot flames are seething through atomized water and were burning the oblique water service pipe 14 of body of heater; Straight fire-proof plate 13 lower walls that burn; After the violent intensity of a fire is obstructed; Transfer the dense smoke that flue gas involves in floral disc 12 and fire-proof plate interlayer along the eliminator plate cross section to, just meeting the flame that smoke exhaust pipe 25 is scurried out from the fire-proof plate 12 and forming the naked light resume combustion.The pyrotechnics floral disc 13 of scurrying out once more gets into revolving combustor 10, forms the rotary combustion of chemical combination gases such as carbon, oxygen, hydrogen, sulphur, carbon monoxide.Because of the revolving combustor that adopts the spiral convolution to rise, make to produce zone of positive pressure and negative pressuren zone in the stove, thereby form spiral air-flow; Played the air inducing effect; Increase gas combustion face simultaneously, only see that titter titter Mars is accompanied by the strong rotary combustion of flame, see that flame gradual change white burns to outlet flue 2.It is high that the flame of two combustion chambers can reach nearly 4m, and furnace temperature rises very fast.
Test contrast relevant data
1, with 1000m
2The apartment heat supply be test standard, use external diameter 80cm, internal diameter 60cm, high 260cm can dissolve 583 kilograms in water, heating surface area 9.6m
2Gasification rotary combustion boiler (down for A stove) and the similar energy-conservation stove (being the B stove down) of local specification, the test contrast under same outside air temperature condition, use the same circulatory system, burns same brown coal, belongs to two stoves with same stove seat and replaces and test, the result is following:
The A stove was with 110-120 minute, and to using the coal banking fire, each room temperature all reaches 20-22 degree centigrade in the building from a burner, 126 kilograms in consumption coal, and power consumption is same circulating pump.
The B stove was with 170-180 minute, and to using the coal banking fire, each room temperature reaches 18-20 degree centigrade in the building from a burner, 192 kilograms in consumption coal, and power consumption is same circulating pump.
Result of the test: the next day be equally the time in the morning; A, B stove reach local heating index (18 ℃) to same space heating, the A stove than the slightly high situation of B stove heat supply index under, save time 50% than B stove; Save coal 52% than B stove, saved manpower simultaneously accordingly.
2, other fuel test: burn the corncob test in the rural area with small-sized stove, when subzero 21 ℃ of outdoor temperature, morning, indoor temperature was 5 ℃, with 25 kilograms of wet corn cores burning stoves 30 minutes, with 106m
2The one-storey house indoor temperature mention 21 ℃, other broken pole can be done the fuel heat supply.
3, the stove internal heating surface is long-pending big, and main body is cylindrical in the stove, the no dead angle of stove fire burning, and hot spoke transmission area reaches 93%, and is bigger by 35% than general energy-conservation stove area of heat transfer, the corresponding raising 16% of the thermal efficiency.
4, exhaust gas temperature test: through relevant department's checkout exhaust gas temperature is 200 ℃.