CN1453521A - Desulfurizing dust-eliminating environment protecting boiler - Google Patents

Abstract

The environment protecting boiler for both industrial and domestic use includes one double-layered hearth, one two-layered furnace container, one heat insulating casing outside the boiler with some smoke passage in the interval between the casing and the boiler, one water-holding dust-eliminating and desulfurizing unit in the lower part of the casing and one exhaust fan. The fume is pumped with the exhaust fan to the hearth for repeated combustion. The present invention can raise energy utilization, desulfurize and eliminate dust completely and avoid environment pollution.

Description

Desulfurizing dust-eliminating environment protecting boiler

The present invention relates to a kind of daily life and industrial boiler, the environmental protection boiler of the thorough desulfurizing dust-eliminating of particularly a kind of energy.

In the prior art, life, the industrial boiler plant of heating, similarly all have a common shortcoming, during as incrustation, Changes in weather anti-cigarette, air and firepower is unbalance, fuel value is low, heating surface is little, when heat flings with flue gas that a water level is lower than half pot in big, the pot of running off top occur dry combustion method consumption vapour, heat imitate low, pollute big.

The object of the present invention is to provide a kind of easy to use, thermal efficiency height, the environment-protection boiler of smokeless, dustless, no sulphur.

In order to achieve the above object, the present invention adopts following technical proposals: the same boiler that is used for Rong Shui burning heating that includes with prior art of the present invention, it is characterized in that holding in the burner hearth of homogeneous solution-type reactor by a folder kettle body and settle two-layer flue, the outer wall of folder kettle body settles one deck to leave logical smoke chamber lagging casing at interval, there is outlet flue the shell lower end, connecting outlet flue settles a two-stage to hold water desulfurizing dust-eliminating device and air exhauster, the flue gas of boiler enters desulfurizing dust-eliminating device separating digesting by the insulation shell, and the water interlayer of folder kettle body is thin, the water level height, water routing clip kettle body bottom single port enters lower floor's flue to the upper strata flue in burner hearth, flue top, upper strata is that both-side opening directly is communicated with folder kettle body top in burner hearth by water pipe simultaneously, like this in when heating burning because the radian interaction energy at the distribution in water route and flue top makes and waterbornely swims movingly, being heated speeds up.

The structure of above-mentioned folder kettle body can be designed as: in the burner hearth that the pot body contains, burner hearth central authorities settle two-layer flue to be connected perforation with folder kettle body, be provided with many vertical logical fire tube chambeies in the middle of lower floor's flue of two-layer flue and play the firepower of burner hearth, air balance and avoid courage area ash, lower furnace portion has with folder kettle body and is communicated with the water pipe furnace grate that holds water, fuel burns thereon and does not melt damage and effective bottom heat that absorbs because its content water plays burning, improve the water boiling point of pot body bottom, promotion water level come-up, burner hearth bottom has air inlet, be used to introduce air, burner hearth one side has fire door, be used to introduce fuel and removing slag, an air regulating board is arranged in the fire door cave, can effectively regulate the wind-force in the burner hearth, air regulating board is advanced wind-force maximum when consistent with the inboard wall of burner hearth face, outwards haul out, door cave internal concavity increases its suction and is obstructed, and wind-force reduces, roof of the furnace has exhaust outlet, is used to discharge flue gas.The outer wall of folder kettle body has one deck to leave logical smoke chamber lagging casing at interval; Space in the housing is wide at the top and narrow at the bottom, and bottom to fire door top after-contraction in the past carries over the left and right sides and turns to the back side outlet down, makes flue gas balance avoid dead angle incrustation around body of heater, the effect that more effectively play heating, is incubated like this.Settle an air exhauster and a two-stage to hold water desulfurizing dust-eliminating device facing to outlet flue; And the structure of two-step desulfurization device for abatement of smoke and dust is: form one, two two-stages respectively by two water containers, an arc funnel is settled in interior middle and lower part at the one-level container, there is valve at the leak place, container lower front wall one side has gate, an exhaust outlet that has automatic pressurizing valve is arranged at the top, boiler smoke is water-soluble by its sulfur dioxide in the air exhauster inspiration one-level water, bottom dust sinks in water, air is died away in water, and flue gas is opened valve voluntarily and entered in the water of secondary by tracheae when the water surface gathers expansion; The purpose of secondary is set, because the heat that brings of flue gas can steam the heating of the water of one-level in long-time, and expand in water surface space and open the valve that is located at the gas outlet, top voluntarily and enter burner hearth by tracheae and burn repeatedly through its steam of secondary remaining gas that can not disappear that disappears.The boiler insulation case top has a removable cover; Be used to clean in the shell and the crock in the burner hearth, exhaust outlet and one the meter sheet of switch is voluntarily arranged in the middle of the removable cover, blade is closed with suction when air exhauster is opened, and blade is opened exhaust voluntarily by burner hearth internal gas pressure impulse force during as shutdown.The external wall of pot bottom one side is provided with a soil cleaning port; Be used to remove the fouling in bottom of pot body and the water pipe furnace grate.Boiler bottom has basin to sit, and is used to support body of heater, and basin is sat antetheca a flat side detachable air door, is used to transfer wind and removes the slag that falls down from the fire grate slit and close and stay the kindling material that spends the night.

The present invention compared with prior art, have following conspicuous advantage: this boiler adopts the pot body of thin layer folder water and three semi-independent bodies of two-layer flue tube structure, form narrow straight fireplace thorax and tortuous fiery road, heating surface is enlarged at double, can make firepower, air balance in the stove simultaneously, improve fuel value, effective utilization rate of energy can reach about 95%, and thoroughly desulfurizing dust-eliminating is pollution-free, need not to set up chimney, easy to install, quick, efficient, energy-conservation.

Be described further below in conjunction with accompanying drawing: accompanying drawing is the structural representation of one embodiment of the invention.

An optimum implementation of the present invention is: referring to accompanying drawing, this desulfurizing dust-eliminating environment protecting boiler includes a folder kettle body 1 that is used for Rong Shui burning heating, in the burner hearth 36 of folder kettle body 1, settle two-layer flue 11,14, two-layer flue, the both sides, radian lower edge, top on upper strata 11 have two water pipes 10 to be connected water flowing with pot body 11 tops in burner hearth 36, two-layer flue, bottom one side of lower floor 14 has a water pipe 15 to be connected water flowing with the bottom of folder kettle body 1 in burner hearth 36, flue 11, there have a water pipe 12 to connect between 14 the levels to be straight-through, two-layer flue, 11, leg rest 37 is arranged between 14 levels, there are many vertical logical fire tubes 13 centre of lower floor 14, exhaust outlet 3 is arranged at the top of burner hearth 36, burner hearth 36 bottoms have the folder of connection kettle body 1 that water pipe furnace grate 20 is arranged, burner hearth 36 1 sides have fire door 16, in the door cave of fire door 16 air regulating board 17 that is used to regulate air is arranged, consistent when needing big fire when burning that tuned plate is advanced in the stove with hearth wall, haul out just effectively to play when only needing little fire and regulate big or small purpose.The boiler bottom has to be supported the body of heater basin and sits 19, and basin is sat 19 1 sides a flat side air register 18 of automatic detachable, is used for carrying air to burner hearth, beats the turn side in stove during operate as normal, staying when spending the night kindling material and insulation flat envelope to close, also can unload removing slag.In the burner hearth 36 of folder kettle body 1 leg rest 35 that supports levels flue 11,14 is arranged.Bottom outer wall one side of folder kettle body 1 has a Butterworth Hatch 34 facing to water pipe furnace grate 20 1 ends of burner hearth 36 bottoms, is used for the tube chamber fouling of 1 bottom fouling of cleaning pot body and mediation water pipe furnace grate 20, and the seal closure of Butterworth Hatch 34 adopts spiral or fixed by nut sealing.Folder kettle body 1 bottom one side has water inlet 33 and water outlet sewage draining exit 22, and top one side has limnimeter 38 and venthole 2 and safety valve 8.The external wall of folder kettle has one deck to leave logical smoke chamber lagging casing 9 at interval, a removable cover 7 is arranged at lagging casing 9 tops, the exhaust outlet 4 that connects chimney is arranged in the middle of the removable cover 7, the opening part of exhaust outlet 4 has the moving vane 6 that can control opening and closing voluntarily, a movable sleeve 5 is arranged in opening part and the throat, can remove the removable cover 7 that moves detachable bottom on movable sleeve 5 is in chimney in the burner hearth 36 and lagging casing 9 in crock.Lagging casing 9 carries over that pot body 1 outer wall surrounds and shrinks to fire door 16 tops down along the pot body 1 outer wall left and right sides and sit 19 junctions to pot body 1 and basin down and turn to one of rear side merging to export 23 in (dotted line that marks referring to accompanying drawing), can make the flue gas balance like this and descend, facing to outlet 23 air exhauster 24 is arranged, the flue gas in the stove holds water desulfurizing dust-eliminating device by air exhauster 24 inspirations.Device for abatement of smoke and dust difference: in the one-level water container 26, there is a camber funnel interlayer 28 at following middle part, there is gate 25 at the leak place, a valve 32 of switch is voluntarily arranged at water container 26 tops, connect valve 32 appendix 31 is arranged, water container 26 bottom outer wall have a gate 27, flue gas in air exhauster 24 inspirations enters in the water, its dust sinks to depositing, but valve-off 25,27 removing dirt mud open the sluices, its air and sulfur dioxide are dissolved in the water, flue gas rise to expand and to open voluntarily in the water in valve 32 enters the secondary device for abatement of smoke and dust by tracheae 31 the water container 29, steam absorbs disappearance through the water of secondary, and the valve 30 at top is opened in the gas ascending water space of planes expansion that can not be dissolved in the water voluntarily, enters the tracheae 21 that connects valve port and carries burner hearths to burn repeatedly.

Claims (3)

1, a kind of daily life and industrial desulfurizing dust-eliminating environment protecting boiler, comprise a folder kettle body (1) that holds water burning heating, it is characterized in that pressing from both sides the two-layer flue (11 of the interior arrangement of burner hearth (36) of kettle body (1), 14), two-layer flue (11,14) by water pipe (15,10) in burner hearth (36), be connected perforation up and down with pot body (1), flue levels (11,14) there have water pipe (12) to connect between to be straight-through, flue levels 11, leg rest (37) is arranged between 14, there are many logical fire tube roads (13) centre of the lower floor of two-layer flue (14), the leg rest (35) that supports flue is arranged at burner hearth (36) bottom, exhaust outlet (3) is arranged at the top of burner hearth (36), the water pipe furnace grate (20) that connects folder kettle body (1) is arranged at burner hearth (36) bottom, burner hearth (36) one sides have fire door (16), in the door cave of fire door (16) air regulating board (17) is arranged, folder kettle body (1) bottom has basin to sit (19), and basin is sat (19) one sides air register (18).

2, desulfurizing dust-eliminating environment protecting boiler according to claim 1, bottom outer wall one side that it is characterized in that pressing from both sides kettle body (1) has a Butterworth Hatch (34) facing to an end of the water pipe furnace grate (20) of burner hearth (36) bottom, and the outer wall of folder kettle body (1) has one deck to leave logical smoke chamber lagging casing (9) at interval.

3, desulfurizing dust-eliminating environment protecting boiler according to claim 2, a removable cover (7) is arranged at the top that it is characterized in that lagging casing (9), the exhaust outlet (4) that connects chimney is arranged in the middle of the removable cover (7), the opening part of exhaust outlet (4) has the blade (6) of an automatic switch, a movable sleeve (5) is arranged in the throat (4), there is exhaust opening (23) bottom of lagging casing (9), there are air exhauster (24) and two-stage to hold water desulfurizing dust-eliminating device (26 facing to outlet (23), 29), a camber funnel interlayer (28) is arranged in the device for abatement of smoke and dust one-level (26), there is gate (25) at the leak place of interlayer (28) bottom, and holding on the outer wall of water desulfurizing dust-eliminating device (26) bottom has gate (27).Valve (32) and the tracheae that is connected valve (32) (31) are arranged at the top, and tracheae (31) is communicated with secondary device for abatement of smoke and dust (29), and valve (30) and the tracheae that is connected valve (30) (21) are arranged at secondary device for abatement of smoke and dust (29) top.

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