CN205332263U - Book flame wall of taking water cooling plant encircles energy -concerving and environment -protective boiler - Google Patents

Abstract

The utility model belongs to the technical field of the boiler, in particular to book flame wall of taking water cooling plant encircles energy -concerving and environment -protective boiler, the concrete structure of the device includes: the book flame wall that the water tube boiler or the extreme misery nest of tubes closed last coal scuttle, face arch, drum, side collection case, grey pit, heat -transfer surface, back hunch, furnace gate, olecranon, fuel bed, grate, the combination of boiler encircles its technical characterstic and is: the book flame wall of combination have the water cooling plant in encircleing, the book flame wall that its water cooling plant is used for reducing the combination encircles to the temperature of 1200 DEG C of left and right sides, can guarantee that refractory material does not reach malactic temperature, guarantees again that the book flame wall of combination encircles the radiation temperature to grate fuel. Skeleton and strong support the that the combination was done to the water cooling plant book flame wall encircles, intensity that the book flame wall of guaranteeing the high -temperature area combination encircles, life that the book flame wall of extension combination encircles makes book flame wall of taking water cooling plant encircles energy -concerving and environment -protective boiler technical application in great capacity, be eliminate now the flue gas produce the haze the most effectively, the simplest and easy scientific method, not only the energy can be saved but also protect the environment.

Description

Foldede flame wall arch energy-saving, environmental protection boiler with water cooling plant

Technical field

This utility model belongs to boiler technology field, encircles energy-saving, environmental protection boiler particularly to a kind of foldede flame wall with water cooling plant。

Background technology

At present, it is common to use chain grate boiler burner hearth in have face arch, rear arch, face arch is the arch that ignites, rear arch be after-flame arch。The fuel of this combustion system can be coal or other solid fuel; volatile matter in fuel is after face arch is ignited; it is constantly present unburnt black smoke at flame top such as the wax candle being ignited; just do not possess ignition temperature when rising to contact drum or other heat-transfer surface when black smoke to discharge to chimney; so boiler usually can over-emitting black exhaust, cause the dust of flue gas larger particles of environment and the waste of the pollution of PM10, PM2.5 and the energy。For solving the problems referred to above, once there is patent No. ZL200620089227.9 " in a kind of stove smoke abatement and dust control energy-saving, environmental protection boiler " patent, its content is increase to have " the foldede flame wall arch of combination " between front and back are encircleed, unburnt volatile matter and fine particle combustible are caused after-flame in the thermal-flame under " the foldede flame wall arch of combination " by this " the foldede flame wall arch of combination ", thoroughly solve boiler over-emitting black exhaust problem, boiler flue gas outlet dust flying dust reduces about 90%, 10 tons/time or 10 tons/time following boiler applications energy-conservation about 10%, achieve significant effects of energy conservation and environmental protection。But, owing to " the foldede flame wall arch of combination " is in high-temperature area, when evaporation capacity more than 10 tons/time boiler owing to the temperature of the foldede flame wall of the combination " arch " is high, span is big, arch top refractory material weight its intensity big it is difficult to ensure that, when in " the foldede flame wall arch of combination " uses, its temperature exceedes the softening temperature of refractory material, its intensity is decreased obviously, weight capacity is decreased obviously, in using 1 year, just there is damage, topple over phenomenon generation, add the maintenance capacity of " the foldede flame wall arch of combination "。At present, there is not yet the report of the energy-conserving and environment-protective foldede flame wall cove-shaped boiler with water cooling plant。

Summary of the invention

The purpose of this utility model is in that: provide a kind of foldede flame wall with water cooling plant arch energy-saving, environmental protection boiler, increases water cooling plant in " the foldede flame wall arch of combination " of heavy duty boiler high temperature, does skeleton and the powerful support of " the foldede flame wall arch of combination "；Reduce the temperature of high temperature " the foldede flame wall arch of combination "；Make its temperature not over the softening temperature of refractory material, increase the intensity at high-temperature area in " the foldede flame wall arch of combination ", overcome the foldede flame wall of the combination " arch " be in high-temperature area intensity low fragile, topple over the problem that phenomenon occurs, extend the service life of " the foldede flame wall arch of combination ", realize heavy duty boiler fire coal and other solid-fuelled cleaning burning, it is achieved the purpose of the energy-conservation pollution with reduction exhaust gas dust PM10, PM2.5 of coal-fired and other solid fuel fired boiler。

The technical solution of the utility model is: this device include water-tube boiler or the upper coal bunker of water-fire pipe combined boiler, face arch, drum, side header, ash pit, boiler heat exchange face, rear arch, fire door, olecranon, fuel bed, fire grate, combination foldede flame wall encircle in its foldede flame wall being technically characterized by comprising the steps as follows: described combination arch and have water cooling plant, the water inlet 15 of water cooling plant is connected with side header 4, and the outlet 16 of water cooling plant is connected with drum 3。Water cooling plant, for reducing the temperature of combination foldede flame wall arch, makes the combination foldede flame wall arch operating temperature softening temperature lower than refractory material；Water cooling plant does skeleton and the powerful support that the foldede flame wall combined encircles, it is ensured that the intensity of the foldede flame wall arch of high-temperature area combination, and the foldede flame wall extending combination encircles service life, makes the arch energy-saving, environmental protection boiler technology of the foldede flame wall with water cooling plant be applied to larger capacity boiler。

This utility model compared with prior art, has the advantage that

1. it is provided with water cooling plant in the foldede flame wall arch of combination, water cooling plant material is seamless steel tube for boiler, the support frame effect to combination foldede flame wall arch can be played, solve the foldede flame wall arch of larger capacity boiler combination because span is big, load-bearing is big, low fragile, the problem easily toppled over of intensity。

2. widen the foldede flame wall arch application at larger capacity boiler of combination, the problem that can thoroughly solve heavy duty boiler over-emitting black exhaust, reduce exhaust gas dust PM10, PM2.5 pollution to environment, it is achieved the purpose of larger capacity boiler energy-saving environmental protection。

3. be provided with water cooling plant in combination foldede flame wall arch, reduce the temperature of the foldede flame wall arch of combination, make the foldede flame wall arch operating temperature softening temperature lower than its refractory material of combination, will not because temperature is too high scaling loss, the service life of the foldede flame wall arch of combination can be extended。

4. being provided with water cooling plant in the foldede flame wall arch of combination, add boiler heating surface, boiler output slightly increases simultaneously。

Accompanying drawing explanation

Below in conjunction with accompanying drawing, this utility model is further described。

Fig. 1 is concrete structure schematic diagram of the present utility model。

Fig. 2 is broken section structural representation of the present utility model。

Detailed description of the invention

Concrete structure of the present utility model and embodiment is described in detail according to Fig. 1-2。This device includes: water-tube boiler or the upper coal bunker 1 of water-fire pipe combined boiler, face arch 2, drum 3, side header 4, ash pit 5, heat-transfer surface 6, rear arch 7, fire door 8, olecranon 11, fuel bed 12, fire grate 13, combination foldede flame wall arch 10 its be technically characterized by comprising the steps as follows: in foldede flame walls arch 10 of described combination and have water cooling plant 9, the water inlet 15 of water cooling plant 9 is connected with side header 4, and the outlet 16 of water cooling plant is connected with drum 3。Its water cooling plant 9 encircles the temperature of about 10 to 1200 DEG C for the foldede flame wall reducing combination, both can guarantee that refractory material was not up to the temperature of softening, ensures again foldede flame wall arch 10 radiation temperatures to fire grate fuel 12 of combination。Water cooling plant 9 does skeleton and the powerful support of the foldede flame wall arch 10 combined, ensure the intensity of the foldede flame wall arch 10 of high-temperature area combination, extend the service life of the foldede flame wall arch 10 of combination, make the arch energy-saving, environmental protection boiler technology of the foldede flame wall with water cooling plant be applied to larger capacity boiler。During boiler operatiopn, fuel bed 12 is when face arch 2 bottom starts to be ignited, flame is from bottom to top, running to top at tiny fuel particle and unburnt black smoke, turn back downwards along the wall of wall with the foldede flame wall arch 10 of combination again, fine particle and unburnt black smoke can burn again, again burnt by the throwing bed of material 12 that strile-backs when bigger fuel particle walks to olecranon 11, some fine particles and unburnt black smoke is also had also can again to burn when the foldede flame wall passing through to combine encircles the arch bottom of 10, now local temperature is at about 1200 DEG C, burning produces higher temperature can to fuel bed 12 radiant heat energy, promote that the fixed carbon in fuel bed 12 burns in the case of a high temperature more violent, burn more fully thus fixed carbon obtains, to rear arch 7, after after-flame encircles, become lime-ash after burning be expelled to ash pit 5。Fuel gas is burnt again, reduces gas incomplete combustion loss；Flammable solid is burnt again; reduce solid incomplete combustion loss; improve boiler thermal output; achieve smoke abatement and dust control in the stove of larger capacity boiler, adopt this technology boiler flue gas outlet to reduce about 90% to the flue dust of cleaner unit, reduce exhaust gas dust; the discharge capacity of PM10, PM2.5 significantly reduces; realize the cleaning burning of coal further, be remove smoke that haze is most effective, the most easy scientific method in generation now, not only save the energy but also protect environment。

Claims (1)

1. the foldede flame wall arch energy-saving, environmental protection boiler with water cooling plant, this device concrete structure includes: water-tube boiler or the upper coal bunker of water-fire pipe combined boiler, face arch, drum, side header, ash pit, heat-transfer surface, rear arch, fire door, olecranon, fuel bed, fire grate, combination foldede flame wall arch, it is technically characterized by comprising the steps as follows: in the foldede flame wall arch of described combination water cooling plant, the water inlet of water cooling plant is connected with side header, and the outlet of water cooling plant is connected with drum。