CN207515225U - The normal-pressure hot-water boiler of agricultural crop straw or coal gasification combustion - Google Patents

Abstract

The normal-pressure hot-water boiler of agricultural crop straw or coal gasification combustion is related to hot-water boiler, including furnace body, burner hearth, Shui Bao, charge door, air inlet, fire grate, combustion chamber, flue of turning back.It is characterized in being equipped with the movable lug air regulating board that vaporizer burner hearth, main air inlet button cover, secondary air inlet equipped with adjusting air inlet amount are equipped with adjusting air inlet amount.Rear portion is gasification combustion chamber under burner hearth, and gasification combustion chamber sets thereafter flue of repeatedly turning back.The beneficial effects of the utility model are that after putting stove, major and minor air inlet is opened entirely, open air-introduced machine, and lower rear portion oxygen is sufficient in burner hearth, does not generate gasification and its burning.When burn away, in burner hearth temperature be continuously improved after, close main air door, turn down secondary air door, and air-introduced machine absorbing quantity is reduced, severe depletion of oxygen environment will occur in middle and lower part in burner hearth at this time, provide stalk or the dry environment and condition for slipping gasification of coal, start to generate a large amount of combustable organic gases, make to switch to gasification, and combustion in stove, burning is fully pollution-free, and efficiency of combustion is greatly improved.

Description

The normal-pressure hot-water boiler of agricultural crop straw or coal gasification combustion

Technical field：

The utility model is related to hot-water boiler, more particularly to one kind using agricultural crop straw or coal as fuel, with gasification, and combustion Normal-pressure hot-water boiler for main combustion type.

Background technology：

Pluralities of fuel type hot-water boiler, particularly be middle-size and small-size with the normal-pressure hot-water boiler of the fuel such as coal, agricultural crop straw The development trend of hot-water boiler.Not only can coal-fired but also incendivity agricultural crop straw, the agricultural crop straw that China can be made full use of abundant Resource using gasification, and combustion as main combustion type, greatly reduces the pollution of butt welding machine, and burning is abundant, hence it is evident that improves heat Efficiency, this is also present situation and the direction that current people fall over each other research and development.But so far, to ideal there is presently no really developing With agricultural crop straw, the normal-pressure hot-water boiler of coal gasification combustion.

Utility model content：

The purpose of the utility model is to provide the normal-pressure hot-water boiler of a kind of agricultural crop straw or coal gasification combustion, with gas Change based on burning, cmpletely, the thermal efficiency is high, energy-efficient for burning.

The utility model is so to implement, the normal-pressure hot-water boiler of agricultural crop straw or coal gasification combustion, including furnace body, Insulating layer of furnace body, furnace body water packet, burner hearth, fire grate, charge door, air inlet, breast hole, combustion chamber, flue of turning back, it is characterized in that, With vaporizer burner hearth 4, burner hearth bottom is equipped with water pipe fire grate 5, and burner hearth middle and upper part front side wall is equipped with main air inlet 9, and fire grate 5 is under it It is red carbon layer combustion chamber 36 equipped with secondary air inlet 13, on fire grate, lower furnace portion 34 and the rear part 37 are gasification combustion chamber, therebetween To cross quirk 35, the multiple flue of turning back of rear portion gasification combustion chamber connection, flue of repeatedly turning back is in water packet 31, after repeatedly turning back Flue rear end outlet flue connect induced draft chimney 17.

The optimal technical scheme of the utility model is the normal-pressure hot-water boiler of agricultural crop straw or coal gasification combustion, described Flue of repeatedly turning back includes the first uplink smokejack 25, smoke-box 22 of turning back through top first enters the first downlink smokejack 26, again Connection unicom lower part first, which is turned back, smoke-box 19 and to be entered the second uplink smokejack 27, enters again through the smoke-box 23 of turning back of top second Second downlink smokejack 28, enter back into lower part second turn back smoke-box 20, smoke-box of being turned back by second enter third uplink smokejack 29, Turning back again through top third, smoke-box 24 enters third downlink smokejack 30, third downlink smokejack connection unicom lower part third is turned back Smoke-box 21, third turn back smoke-box smoke outlet connection air-introduced machine row chimney 17.

The further preferred technical solution of the utility model is the atmospheric hot-water pot of agricultural crop straw or coal gasification combustion Stove, it is characterized in that, the main air inlet 9 is equipped with button cover 10, and the lower mouth of button cover is equipped with plug-type air quantity and adjusts door 11.The secondary air inlet The air quantity that mouth 13 is equipped with top margin hinge adjust movable lug plate washers 12, while secondary air inlet is additionally provided with sliding door 14 of banking up a fire.

Advantageous effect caused by the utility model：

The utility model is designed with the cavity burner hearth that can be used as vaporizer, and burner hearth bottom is equipped with water pipe fire grate, in burner hearth The side side wall on top be equipped with adjusting air inlet amount main air inlet, meanwhile, also under furnace bottom fire grate setting be adjusted into The secondary air inlet of air quantity.Lower furnace portion is connected thereafter flue of repeatedly turning back, and flue of turning back is in water packet, rear to terminate air inducing cigarette Chimney.When the stove is lighted, agricultural crop straw easily fills more than half burner hearth (being attached to furnace roof close to UTILIZATION OF VESIDUAL HEAT IN heat exchanging water pipe 15).Coal easily fills To half burner hearth.Early period after point stove main air inlet, secondary air inlet damper are opened, and open air-introduced machine entirely.At this time in burner hearth Lower part fire grate will generate the mixed firinor fuel burning instead burnt based on just burning for pair up and down, red carbon layer be generated on fire grate, which is Furnace temperature is improved to lay the first stone, at this time because of intake foot, absorbing quantity is big, lower part and oxygen abundance excessively at quirk in burner hearth, so Shi Buhui generates fuel gasification and gasification, and combustion.Later, burn away, in burner hearth temperature be continuously improved after, progressively close off main wind Mouthful, secondary air port is turned down in right amount, and continuously decrease air-introduced machine absorbing quantity, then, will go out at middle and lower part, particularly mistake quirk in burner hearth Existing severe depletion of oxygen environment, due to interior high temperature, then provides stalk or the dry environment and condition for slipping gasification of coal, starts to generate big Combustable organic gas is measured, makes to switch to rapidly in stove using gasification, and combustion as main combustion type.And furnace temperature is further continuously improved, gas Change is further speeded up, and burning is further abundant, and efficiency of combustion is greatly improved.Also, flue of repeatedly turning back is in water packet, heat is handed over It changes and is heated fully,

Description of the drawings：

Attached drawing 1 the utility model main view (section view) figure

The left view of 2 the utility model attached drawing 1 of attached drawing

Specific embodiment：

It provides the utility model a kind of specific embodiment below in conjunction with Figure of description, is said according to the specific embodiment Its bright operation principle.The normal-pressure hot-water boiler of the agricultural crop straw or coal gasification combustion, including furnace body 1, outer housing 3, heat preservation Layer 2, vaporizer burner hearth 4, by hot water packet 31, filler 32, water outlet 33, bunkering port 6, air inlet, fire grate 5, breast hole 8, Cleaning door, combustion chamber, flue of turning back, chimney are characterized in that, equipped with vaporizer burner hearth 4, burner hearth bottom is equipped with water pipe fire grate 5, Burner hearth middle and upper part front side wall is equipped with main air inlet 9, it has secondary air inlet 13 to water pipe fire grate 5, is fired on fire grate for red carbon layer Room 36 is burnt, lower furnace portion 34 and the rear part 37 are gasification combustion chamber, and therebetween to cross quirk 35, the connection of rear portion gasification combustion chamber is multiple It turns back flue, the flue rear end outlet flue after repeatedly turning back connects induced draft chimney 17.

The flue of repeatedly turning back is in water packet, smoke-box 22 of turning back including the first uplink smokejack 25, through top first Into the first downlink smokejack 26, reconnect unicom lower part first and turn back and smoke-box 19 and enter the second uplink smokejack 27, pass through again The smoke-box 23 of turning back of top second enters the second downlink smokejack 28, enters back into lower part second and turn back smoke-box 20, cigarette of being turned back by second Room enters third uplink smokejack 29, turns back that smoke-box 24 enters third downlink smokejack 30, third downlink is arranged through top third again Flue connection unicom lower part third is turned back smoke-box 21, and third is turned back smoke-box smoke outlet connection air-introduced machine row's chimney 17.

The main air inlet 9 is equipped with button cover 10, and the lower mouth of button cover is equipped with plug-type air quantity and adjusts door 11.The pair air inlet 13 Air quantity equipped with top margin hinge adjusts movable lug plate washer 12, and secondary air inlet is also simultaneously equipped with sliding door 14 of banking up a fire.The furnace body water packet, Water packet 31, the furnace roof portion exhaust-heat absorption for surrounding flue of turning back are communicating together using water pipe 15, water pipe fire grate 5.Furnace roof sets secondary smoke evacuation Chimney 16, for stopping air-introduced machine when, discharge fume.

The mouth 37 for being inserted into burner is provided on the button cover 10 of main air inlet 9, mouth 37 sets lid 38, opens lid, is inserted into combustion Burner, you can for the natural gas that burns, become natural gas hot water's boiler.

Claims (4)

1. the normal-pressure hot-water boiler of agricultural crop straw or coal gasification combustion, including furnace body, insulating layer of furnace body, furnace body water packet, burner hearth, Fire grate, charge door, air inlet, breast hole, combustion chamber, flue of turning back, it is characterized in that, there is vaporizer burner hearth (4), burner hearth bottom Equipped with water pipe fire grate (5), burner hearth middle and upper part front side wall is equipped with main air inlet (9), it has secondary air inlet (13) to fire grate (5), It is red carbon layer combustion chamber (36) on fire grate, lower furnace portion (34) and the rear part (37) are gasification combustion chamber, therebetween to cross quirk (35), the multiple flue of turning back of rear portion gasification combustion chamber connection, flue of repeatedly turning back are in water packet (31), the cigarette after repeatedly turning back Road rear end outlet flue connects induced draft chimney (17).

2. the normal-pressure hot-water boiler of agricultural crop straw or coal gasification combustion according to claim 1, it is characterized in that, it is described multiple Flue of turning back include the first uplink smokejack (25), turn back through top first smoke-box (22) into the first downlink smokejack (26), It reconnects unicom lower part first and turns back and smoke-box (19) and enter the second uplink smokejack (27), turn back smoke-box through top second again (23) into the second downlink smokejack (28), enter back into turn back smoke-box (20), the smoke-box of being turned back by second of lower part second and enter third Uplink smokejack (29) turns back smoke-box (24) into third downlink smokejack (30), third downlink smokejack through top third again Connection unicom lower part third is turned back smoke-box (21), and third is turned back smoke-box smoke outlet connection induced draft chimney (17).

3. the normal-pressure hot-water boiler of agricultural crop straw according to claim 1 or claim 2 or coal gasification combustion, it is characterized in that, it is described Main air inlet (9) covers (10) equipped with button, and the lower mouth of button cover is equipped with plug-type air quantity and adjusts door (11)；The pair air inlet (13) is equipped with The air quantity of top margin hinge adjusts movable lug plate washer (12), while secondary air inlet is additionally provided with sliding door of banking up a fire (14).

4. the normal-pressure hot-water boiler of agricultural crop straw or coal gasification combustion according to claim 3, it is characterized in that, furnace body water Packet, the water packet (31) for surrounding flue of turning back, furnace roof portion waste heat intussusception are communicating together using water pipe (15), water pipe fire grate (5)；Furnace roof If secondary chimney (16).