阅读说明：本技术 一种烟尘净化功德炉及其操作方法 (Smoke purification furnace and operation method thereof ) 是由 沃显恒 沃桂岩 于 2021-08-28 设计创作，主要内容包括：本发明公开了一种烟尘净化功德炉及其操作方法,其特征在于：所述的炉体骨架外侧四周安装有耐火砖,顶棚固定在耐火砖的顶面上,水泵安装在水池上且水泵通过管路与水池连接,炉体骨架内等间距分布有若干堵隔墙且隔墙将炉体骨架分割成若干个区域,顶棚与炉体骨架之间设有集烟室且集烟室内安装有冷却水管,炉体骨架前侧面上安装有若干个炉门和螺旋集料器,烟气净化单元安装在炉体骨架的右侧,顶棚与炉体骨架之间的集烟室右侧出烟口通过管路与烟气净化单元连接,炉体骨架四侧耐火砖上都安装有挡雨板。本发明结构紧凑,可以实现多炉同时焚烧,自动化实现了渣料的收集操作,同时采用烟尘净化器进行集中净化处理,净化效果好且保护了环境。(The invention discloses a smoke dust purification furnace and an operation method thereof, which are characterized in that: furnace body skeleton outside install resistant firebrick all around, the ceiling is fixed on resistant firebrick's top surface, the water pump is installed on the pond and the water pump passes through the pipeline to be connected with the pond, equidistant distribution has a plurality of stifled partition wall and partition wall to cut apart into a plurality of regions with the furnace body skeleton in the furnace body skeleton, be equipped with collection smoke chamber and collection smoke chamber between ceiling and the furnace body skeleton and install the cooling water pipe in the smoke chamber, install a plurality of furnace gate and spiral collector on the furnace body skeleton leading flank, the right side at the furnace body skeleton is installed to the gas cleaning unit, smoke chamber right side outlet between ceiling and the furnace body skeleton passes through the pipeline and is connected with the gas cleaning unit, all install the weather shield on the resistant firebrick of four sides of furnace body skeleton. The invention has compact structure, can realize simultaneous incineration of multiple furnaces, automatically realizes the collection operation of slag materials, adopts a smoke dust purifier for centralized purification treatment, has good purification effect and protects the environment.)

1. A smoke and dust purifies effect furnace which characterized in that: comprises supporting legs (1), a furnace body framework (2), a water pool (4), a water pump (5), refractory bricks (6), a water outlet pipe (7), a standby chimney (8), a cooling water pipe (9), a furnace door (10), a partition wall (11), a spiral material collector (12), a ceiling (13), a water inlet pipe (14), a chimney (15), a water falling groove (16), a rain baffle (17), an access door (18) and a flue gas purification unit (19), wherein the supporting legs (1) are fixed on the bottom surface of the furnace body framework (3), the refractory bricks (6) are arranged around the outer side of the furnace body framework (3), the ceiling (13) is fixed on the top surface of the refractory bricks (6), the furnace body framework (2) is arranged in the furnace body framework (3), the water pool (4) is arranged on the left side of the furnace body framework (3), the water pump (5) is arranged on the water pool (4) and the water pump (5) is connected with the water pool (4) through a pipeline, the furnace body framework (3) is internally provided with a plurality of blocking partition walls (11) and partition walls (11) at equal intervals to divide the furnace body framework (3) into a plurality of regions, a smoke collection chamber and a cooling water pipe (9) are arranged between the ceiling (13) and the furnace body framework (3), the water inlet pipe (14) is arranged at the water inlet at the right side of the cooling water pipe (9), the water inlet pipe (14) is connected with a water pump (5), the water outlet pipe (7) is arranged at the water outlet at the left side of the cooling water pipe (9), the water outlet pipe (7) is connected with a water pool (4), the standby chimney (8) is arranged on the ceiling (13), the front side surface of the furnace body framework (3) is provided with a plurality of furnace doors (10) and spiral material collectors (12), the spiral material collectors (12) are positioned under the furnace doors (10), and the flue gas purification unit (19) is arranged at the right side of the furnace body framework (3), the improved furnace body structure is characterized in that the access door (18) is installed on the right side face of the furnace body framework (3), a smoke outlet on the right side of the smoke collection chamber between the ceiling (13) and the furnace body framework (3) is connected with the smoke purification unit (19) through a pipeline, rain baffles (17) are installed on the fireproof bricks (6) on the four sides of the furnace body framework (3), a water falling groove (16) is installed on the outer side of the rain baffles (17), the chimney (15) is installed on the top face of the furnace body framework (3) and is located right above the smoke purification unit (19) and the chimney (15) is connected with the smoke purification unit (19) through an exhaust pipeline.

2. The fume purification lehr of claim 1, wherein: the spiral material collector (12) consists of a base (1201), a shell (1202), a first spiral conveying shaft (1203), a second spiral conveying shaft (1204), a speed reducer (1205), a driving motor (1206) and a material collecting trolley (1207), wherein the base (1201) is fixed on the bottom surface of the shell (1202), the left end of the first spiral conveying shaft (1203) is installed on the shell (1202) through a bearing, the right end of the first spiral conveying shaft (1203) is connected with the second spiral conveying shaft (1204), the second spiral conveying shaft (1204) is connected with an output shaft of the speed reducer (1205), the driving motor (1206) is installed on the speed reducer (1205), the speed reducer (1205) is fixed on the shell (1202), and the material collecting trolley (1207) is positioned right below a discharge port of the shell (1202).

3. The fume cleaning type lehr as claimed in claim 2, wherein: the right end of a first spiral conveying shaft (1203) in the spiral collector (12) is connected with the left end of a second spiral conveying shaft (1204) through a universal joint.

4. The fume cleaning type lehr as claimed in claim 2, wherein: a semi-circular window is formed in a shell (1202) in the spiral material collector (12), and a transparent semi-circular cover plate is mounted on the semi-circular window through a hinge.

5. The fume purification lehr of claim 1, wherein: the flue gas purification unit (19) is composed of a double-fluid high-efficiency desulfurization and cooling reactor (1901), a ceramic multi-tube cyclone dust collector (1902), a Mars catcher (1903), a pulse bag-type dust collector (1904), a low-temperature catalyst (1905) and a draught fan (1906), a smoke outlet at the right side of a smoke collecting chamber between a ceiling (13) and a furnace body framework (3) is connected with an air inlet of the double-fluid high-efficiency desulfurization and cooling reactor (1901) through a pipeline, an air outlet of the double-fluid high-efficiency desulfurization and cooling reactor (1901) is connected with an air inlet of the ceramic multi-tube cyclone dust collector (1902) through a pipeline, an air outlet of the ceramic multi-tube cyclone dust collector (1902) is connected with the Mars catcher (1903) through a pipeline, the Mars catcher (1903) is connected with an air inlet of the pulse bag-type dust collector (1904) through a pipeline, an air outlet of the pulse bag-type dust collector (1904) is connected with the low-temperature catalyst (1905) through a pipeline, the low-temperature catalyst (1905) is connected with an induced draft fan (1906) through a pipeline, and the induced draft fan (1906) is connected with a chimney (15) through a pipeline.

6. The fume purification lehr of claim 5, wherein: the filter material of a pulse bag dust collector (1904) in the flue gas purification unit (19) is coated with pure PTFE film.

7. The fume purification lehr of claim 5, wherein: and an atomizing spray head is installed in a double-fluid high-efficiency desulfurization cooling reactor (1901) in the flue gas purification unit (19) and is connected with an alkali water tank through a pipeline.

8. A method of operating a soot cleaning furnace as claimed in any one of claims 1 to 7, characterized in that: the method comprises the following steps:

the method comprises the following steps: manually conveying the articles to the front side of the incinerator through the skip car, opening the furnace door (10) of the incinerator, manually placing the articles on the grate (2) in the incinerator, and closing the furnace door (10) of the incinerator;

step two: the incinerator starts incineration operation, incinerated slag enters a spiral material collector (12) through a material collecting hopper in the furnace body framework (3), and a driving motor (1206) drives a first spiral conveying shaft (1203) and a second spiral conveying shaft (1204) to rotate through a speed reducer (1205), so that the slag is collected at a discharge outlet of the spiral material collector (12) and finally sent into a material collecting trolley (1207);

step three: flue gas after incinerator incineration enters into the smoke collecting chamber between ceiling (13) and furnace body skeleton (3) and cools through cooling water pipe (9), then enters into gas cleaning unit (19) and handles, discharges via draught fan (1906) after two-fluid high-efficient desulfurization cooling reactor (1901), ceramic multitube cyclone (1902), mars catcher (1903), pulse bag dust remover (1904) and low temperature catalyst ware (1905) are handled in proper order, discharges in the air in at last from chimney (15).

Technical Field

The invention belongs to the technical field of a work furnace, and particularly relates to a smoke dust purification work furnace and an operation method thereof.

Background

The existing Gong and De furnace is complex in structure and generally operated manually, and the burned slag charge needs to be collected manually, so that the working efficiency is greatly reduced, and the labor intensity of operators is greatly improved; in particular, the smoke dust after incineration is discharged into the air to pollute the environment.

Disclosure of Invention

The invention aims to solve the technical problem of providing a smoke dust purification Gong De furnace and an operation method thereof aiming at the defects of the prior art, the smoke dust purification Gong De furnace is compact in structure, can realize simultaneous incineration of multiple furnaces, automatically realizes the collection operation of slag charge, and simultaneously adopts a smoke dust purifier to perform centralized purification treatment, thereby having good purification effect and protecting the environment.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

a smoke and dust purifies effect furnace which characterized in that: comprises supporting legs, a grate, a furnace body framework, a water tank, a water pump, refractory bricks, a water outlet pipe, a spare chimney, a cooling water pipe, a furnace door, a partition wall, a spiral material collector, a ceiling, a water inlet pipe, a chimney, a water falling groove, a rain baffle, an access door and a flue gas purification unit, wherein the supporting legs are fixed on the bottom surface of the furnace body framework, the refractory bricks are arranged around the outer side of the furnace body framework, the ceiling is fixed on the top surface of the refractory bricks, the grate is arranged in the furnace body framework, the water tank is arranged on the left side of the furnace body framework, the water pump is arranged on the water tank and is connected with the water tank through a pipeline, a plurality of blocking partition walls are distributed in the furnace body framework at equal intervals and divide the furnace body framework into a plurality of areas, a smoke collection chamber is arranged between the ceiling and the furnace body framework, the cooling water pipe is arranged at the water inlet on the right side of the cooling water pipe, and the water inlet pipe is connected with the water pump, the outlet pipe install and be connected with the pond at condenser tube left side delivery port department and outlet pipe, reserve chimney install on the ceiling, furnace body skeleton leading flank on install a plurality of furnace gate and spiral loading head and be located the furnace gate under, the right side at the furnace body skeleton of installation of flue gas purification unit, the access door install on the right flank of furnace body skeleton, ceiling and furnace body skeleton between smoke chamber right side delivery port pass through the pipeline and be connected with the flue gas purification unit, furnace body skeleton be able to bear or endure all install the weather shield on four sides of firebrick, the groove of falling into water install the outside at the weather shield, the chimney install on furnace body skeleton top surface flue gas purification unit directly over department and the chimney passes through exhaust pipeline and is connected with the flue gas purification unit.

Foretell spiral loading head comprises base, casing, first auger delivery axle, second auger delivery axle, reduction gear, driving motor and the dolly that gathers materials, the base fix on the casing bottom surface, first auger delivery axle left end pass through the bearing and install on the casing, first auger delivery axle right-hand member and second auger delivery axle be connected, second auger delivery axle and reduction gear output shaft, driving motor install on the reduction gear, the reduction gear fix on the casing, the dolly that gathers materials be located the casing discharge gate department under.

The right end of a first spiral conveying shaft in the spiral material collector is connected with the left end of a second spiral conveying shaft through a universal joint.

A semi-circular window is formed in the shell of the spiral material collector, and a transparent semi-circular cover plate is mounted on the semi-circular window through a hinge.

Foretell flue gas purification unit is by two-fluid high-efficient desulfurization cooling reactor, pottery multitube cyclone, mars trap, pulse bag dust collector, low temperature catalyst converter and draught fan, ceiling and furnace body skeleton between the smoke-collecting chamber right side outlet flue pass through the pipeline and be connected with two-fluid high-efficient desulfurization cooling reactor air inlets, two-fluid high-efficient desulfurization cooling reactor gas outlet pass through the pipeline and be connected with pottery multitube cyclone air inlet, pottery multitube cyclone gas outlet pass through the pipeline and be connected with the mars trap, the mars trap pass through the pipeline and be connected with pulse bag dust collector air inlet, pulse bag dust collector gas outlet pass through the pipeline and be connected with the low temperature catalyst converter, the low temperature catalyst converter pass through the pipeline and be connected with the draught fan, the draught fan pass through the pipeline and be connected with the chimney.

The filter material of the pulse bag-type dust collector in the flue gas purification unit is coated with pure PTFE film.

An atomizing nozzle is installed in the double-fluid high-efficiency desulfurization cooling reactor in the flue gas purification unit and is connected with the alkali water tank through a pipeline.

The operation method of the smoke dust purification furnace is characterized by comprising the following steps: the method comprises the following steps:

the method comprises the following steps: manually conveying the articles to the front side of the incinerator through the skip car, opening the furnace door of the incinerator, manually placing the articles on a grate in the incinerator, and closing the furnace door of the incinerator;

step two: the incinerator is started to burn, the burned slag enters the spiral material collector through a material collecting hopper in the furnace body framework, and the driving motor drives the first spiral conveying shaft and the second spiral conveying shaft to rotate through the speed reducer, so that the slag is collected at the discharge port of the spiral material collector and finally sent into the material collecting trolley;

step three: the flue gas after burning of the incinerator enters a smoke collecting chamber between a ceiling and a furnace body framework and is cooled through a cooling water pipe, then enters a flue gas purification unit to be treated, is discharged through a draught fan after being treated by a double-fluid high-efficiency desulfurization and cooling reactor, a ceramic multi-pipe cyclone dust collector, a spark catcher, a pulse bag dust collector and a low-temperature catalyst in sequence, and is finally discharged into the air from a chimney.

The supporting legs are used for supporting the weight of the whole Gong and De furnace, a plurality of blocking walls are distributed in the furnace body framework at equal intervals, the furnace body framework is divided into a plurality of areas by the blocking walls, the areas are not affected with each other, and the burning operation of a plurality of articles can be realized at the same time; flue gas generated by cremation objects enters a smoke collecting chamber between a ceiling and a furnace body framework, is cooled by a cooling water pipe, then enters a flue gas purification unit through a flue outlet, firstly enters a two-fluid high-efficiency desulfurization cooling reactor, is directly contacted with atomized alkaline water, is rapidly cooled within a certain stroke, and generates chemical reaction to remove acidic gases such as sulfide and the like in the flue gas; then the flue gas enters a ceramic multi-tube cyclone dust collector, and large particle dust of 5-50 μm can be removed by utilizing the centrifugal force principle; then the flue gas enters a spark catcher, and a stainless steel mesh cylinder is arranged in a box body of the spark catcher, so that all open sparks can be caught and killed; then the flue gas enters a pulse bag-type dust collector, the pulse bag-type dust collector can filter most of the smoke dust below 5 mu m, the efficiency can reach more than 99.9 percent, the bag-type dust collector can not only filter dust, but also can absorb and filter heavy metals and the like synchronously, and the bag-type dust collector also has a secondary deacidification function, so that the deacidification efficiency is improved; then the flue gas enters a low-temperature catalyst, and under the action of the low-temperature catalyst, dioxin and residual oxygen in the flue gas are subjected to chemical reaction and converted into carbonic acid gas and water; and finally, discharging the flue gas into the air through a draught fan and a chimney.

The invention has the advantages that: compact structure can realize that many stoves burn simultaneously, and the automation has realized the collection operation of slag charge, adopts smoke and dust clarifier to concentrate purification treatment simultaneously, and purifying effect is good and has protected the environment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the spiral collector of the present invention;

FIG. 3 is a schematic view of the structure of the flue gas cleaning unit of the present invention.

Wherein the reference numerals are: landing leg 1, grate 2, furnace body skeleton 3, pond 4, water pump 5, resistant firebrick 6, outlet pipe 7, reserve chimney 8, condenser tube 9, furnace gate 10, partition 11, spiral loading head 12, base 1201, casing 1202, first spiral delivery shaft 1203, second spiral delivery shaft 1204, reduction gear 1205, driving motor 1206, dolly 1207 gathers materials, ceiling 13, inlet tube 14, chimney 15, the basin 16 falls into the water, weather shield 17, access door 18, flue gas purification unit 19, two-fluid high efficiency desulfurization cooling reactor 1901, ceramic multitube cyclone 1902, mars catcher 1903, pulse bag dust collector 1904, low temperature catalyst 1905, draught fan 1906.

Detailed Description

The following further describes embodiments of the present invention in conjunction with the attached figures:

the first embodiment is as follows:

a smoke and dust purifies effect furnace which characterized in that: comprises supporting legs 1, a furnace body framework 2, a furnace body framework 3, a water tank 4, a water pump 5, refractory bricks 6, a water outlet pipe 7, a spare chimney 8, a cooling water pipe 9, a furnace door 10, a partition wall 11, a spiral material collector 12, a ceiling 13, a water inlet pipe 14, a chimney 15, a water falling groove 16, a rain baffle 17, an access door 18 and a flue gas purification unit 19, wherein the supporting legs 1 are fixed on the bottom surface of the furnace body framework 3, the refractory bricks 6 are arranged around the outer side of the furnace body framework 3, the ceiling 13 is fixed on the top surface of the refractory bricks 6, the furnace body framework 2 is arranged in the furnace body framework 3, the water tank 4 is arranged on the left side of the furnace body framework 3, the water pump 5 is arranged on the water tank 4 and the water pump 5 is connected with the water tank 4 through a pipeline, a plurality of blocking partition walls 11 are distributed in the furnace body framework 3 at equal intervals and divide the furnace body framework 3 into a plurality of areas, a smoke collection chamber is arranged between the ceiling 13 and the furnace body framework 3, and the cooling water pipe 9 is arranged in the smoke collection chamber, the water inlet pipe 14 is arranged at a water inlet on the right side of the cooling water pipe 9, the water inlet pipe 14 is connected with the water pump 5, the water outlet pipe 7 is arranged at a water outlet on the left side of the cooling water pipe 9, the water outlet pipe 7 is connected with the water tank 4, the standby chimney 8 is arranged on the ceiling 13, the front side surface of the furnace body framework 3 is provided with a plurality of furnace doors 10, spiral collectors 12 and spiral collectors 12 which are positioned under the furnace doors 10, the smoke purification unit 19 is arranged on the right side of the furnace body framework 3, the access door 18 is arranged on the right side surface of the furnace body framework 3, the smoke outlet on the right side of the smoke collection chamber between the ceiling 13 and the furnace body framework 3 is connected with the smoke purification unit 19 through a pipeline, the weather shields 17 are arranged on the refractory bricks 6 on the four sides of the furnace body framework 3, the water falling groove 16 of the chimney is arranged on the outer side of the rain shields 17, the chimney 15 is arranged on the top surface of the furnace body framework 3 and is arranged right above the smoke purification unit 19, and the chimney 15 is connected with the chimney 15 through an exhaust pipeline and the water falling pipe The flue gas cleaning unit 19 is connected.

In the embodiment, the spiral collector 12 is composed of a base 1201, a housing 1202, a first spiral conveying shaft 1203, a second spiral conveying shaft 1204, a speed reducer 1205, a driving motor 1206 and a collecting trolley 1207, wherein the base 1201 is fixed on the bottom surface of the housing 1202, the left end of the first spiral conveying shaft 1203 is mounted on the housing 1202 through a bearing, the right end of the first spiral conveying shaft 1203 is connected with the second spiral conveying shaft 1204, the second spiral conveying shaft 1204 is connected with an output shaft of the speed reducer 1205, the driving motor 1206 is mounted on the speed reducer 1205, the speed reducer 1205 is fixed on the housing 1202, and the collecting trolley 1207 is positioned right below a discharge port of the housing 1202.

In the embodiment, the right end of the first spiral conveying shaft 1203 in the spiral collector 12 is connected with the left end of the second spiral conveying shaft 1204 through a universal joint.

In the embodiment, a semicircular window is formed on the housing 1202 of the spiral collector 12, and a transparent semicircular cover plate is mounted on the semicircular window through a hinge.

In the embodiment, the flue gas purification unit 19 comprises a two-fluid high-efficiency desulfurization and cooling reactor 1901, a ceramic multi-tube cyclone dust collector 1902, a Mars catcher 1903, a pulse bag dust collector 1904, a low-temperature catalyst 1905 and an induced draft fan 1906, a smoke outlet on the right side of a smoke collecting chamber between a ceiling 13 and a furnace body framework 3 is connected with an air inlet of the two-fluid high-efficiency desulfurization and cooling reactor 1901 through a pipeline, an air outlet of the two-fluid high-efficiency desulfurization and cooling reactor 1901 is connected with an air inlet of the ceramic multi-tube cyclone dust collector 1902 through a pipeline, an air outlet of the ceramic multi-tube cyclone dust collector 1902 is connected with the Mars catcher 1903 through a pipeline, the Mars catcher 1903 is connected with an air inlet of the pulse bag dust collector 1904 through a pipeline, an air outlet of the pulse bag dust collector 1904 is connected with the low-temperature catalyst 1905 through a pipeline, the low-temperature catalyst 1905 is connected with the induced draft fan 1906 through a pipeline, the induced draft fan 1906 is connected with the chimney 15 through a pipeline.

In the embodiment, the filter material of the pulse bag dust collector 1904 in the flue gas purification unit 19 is coated with pure PTFE.

In the embodiment, an atomizer is installed in the two-fluid high-efficiency desulfurization cooling reactor 1901 in the flue gas purification unit 19, and the atomizer is connected with the alkaline water tank through a pipeline.

Example two:

the operation method of the smoke dust purification furnace is characterized by comprising the following steps: the method comprises the following steps:

the method comprises the following steps: manually conveying the articles to the front side of the incinerator through the skip car, opening the furnace door 10 of the incinerator, manually placing the articles on the grate 2 in the incinerator, and closing the furnace door 10 of the incinerator;

step two: the incinerator is started to burn, the burned slag enters the spiral material collector 12 through a material collecting hopper in the furnace body framework 3, and the driving motor 1206 drives the first spiral conveying shaft 1203 and the second spiral conveying shaft 1204 to rotate through the speed reducer 1205, so that the slag is collected at the discharge port of the spiral material collector 12 and finally sent into the collecting trolley 1207;

step three: the flue gas after burning in the incinerator enters into the smoke collecting chamber between the ceiling 13 and the furnace body framework 3 and is cooled through the cooling water pipe 9, then enters into the flue gas purification unit 19 to be treated, and is discharged through the draught fan 1906 after being treated by the two-fluid high-efficiency desulfurization and cooling reactor 1901, the ceramic multi-pipe cyclone dust collector 1902, the spark catcher 1903, the pulse bag dust collector 1904 and the low-temperature catalyst 1905 in sequence, and finally is discharged into the air from the chimney 15.

The supporting legs 1 are used for supporting the weight of the whole reed furnace, a plurality of blocking partition walls are distributed in the furnace body framework 3 at equal intervals, the furnace body framework 3 is divided into a plurality of areas by the partition walls, the areas are not affected with each other, and the burning operation of a plurality of articles can be realized at the same time; flue gas generated by cremation products enters a smoke collecting chamber between a ceiling 13 and a furnace body framework 3, is cooled through a cooling water pipe 9, then enters a flue gas purification unit 19 through a flue outlet, firstly enters a two-fluid high-efficiency desulfurization cooling reactor 1901, is directly contacted with atomized alkaline water, is rapidly cooled within a certain stroke, and generates a chemical reaction to remove acidic gases such as sulfide and the like in the flue gas; then the flue gas enters a ceramic multi-pipe cyclone dust collector 1902, and large particle dust of 5-50 μm can be removed by utilizing the centrifugal force principle; then the flue gas enters a spark catcher 1903, and a stainless steel mesh cylinder is arranged inside a box body of the spark catcher 1903, so that all open sparks can be caught and killed; then the flue gas enters a pulse bag-type dust collector 1904, the pulse bag-type dust collector 1904 can filter most of the flue gas with the dust content below 5 mu m, the efficiency can reach more than 99.9%, the pulse bag-type dust collector 1904 can filter the dust, can absorb and filter heavy metals and the like synchronously, has a secondary deacidification function, and improves the deacidification efficiency; then, the flue gas enters a low-temperature catalyst 1905, and under the action of the low-temperature catalyst, dioxin and residual oxygen in the flue gas undergo a chemical reaction and are converted into carbon dioxide and water; and finally, the flue gas is discharged into the air through a draught fan 1906 and a chimney 15.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art may occur to persons skilled in the art without departing from the spirit and scope of the present invention.