CN102261634B

CN102261634B - Vertical inner-container-free energy-saving environment-friendly boiler

Info

Publication number: CN102261634B
Application number: CN 201110192459
Authority: CN
Inventors: 潘志明
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-11
Filing date: 2011-07-11
Publication date: 2013-02-20
Anticipated expiration: 2031-07-11
Also published as: CN102261634A

Abstract

The invention discloses a vertical inner-container-free energy-saving environment-friendly boiler, which mainly comprises a combustion chamber, a group of annular tubes arranged on the top of the combustion chamber, a group of water-cooling tubes and a steam pocket, wherein the combustion chamber is partitioned into a hearth structure for combustion for multiple times, so that fuels can be combusted for multiple times until the fuels are combusted totally and heat releasing maximization can be realized; and when passing through a multi-stroke smoke channel partitioned by a group of water-cooling tubes and a group of annular tubes, high temperature smoke can fully exchange heat with water in the water-cooling tubes, the water can absorb the heat of the smoke to the maximum to be gasified into steam and the smoke subjected to heat absorption and temperature reduction turns to light white low-temperature pollution-free tail gas, so the safety standard emission is realized. By the vertical inner-container-free boiler with the structure, a stress state of the vertical boiler can be improved and the bearing capacity of the boiler can be enhanced; furthermore, steel for making the boiler can be saved by over 50 percent; and the vertical inner-container-free energy-saving environment-friendly boiler has the outstanding advantages of low manufacturing cost, high safety performance, low pollution load and high heat efficiency and has an extremely good market prospect.

Description

Vertical without the courage energy-saving, environmental protection boiler

Technical field:

In the present invention relates to, low-pressure boiler equipment, specifically a kind of vertical without the courage energy-saving, environmental protection boiler, belong to the technical field of boiler manufacturing and energy-saving environment protection engineering.

Background technology:

We know, boiler has very important supporting role as a kind of energy conversion heat power equipment that is widely used in numerous production fields to the high speed development that promotes Chinese national economy.Study carefully boiler basic structure, it is by acting as a fuel burning heat-releasing apparatus " stove " and form for be heated " pot " two parts of heat sink of working medium.The index of overall merit boiler operatiopn economic situation is the thermal efficiency, and improve boiler thermal output, reduce the most effective technical measures of operating cost be: the one, improve " body of heater " structure and make fuel can completing combustion obtain the maximization of release heat, the 2nd, strengthen the efficient heat maximization that " pot body " heat absorption capacity is used in heating working medium.Recently, efficiency test mandatory provisions have been made in National Quality Supervision Bureau General promulgates " boiler energy-saving technical supervision rule of management ": require the thermal efficiency of Industrial Boiler must not be lower than 76%.To be objective, basic situation with regard to the existing boiler product of China, most of boiler product all is difficult to reach for the moment the specification requirement of efficiency test, particularly for the lower vertical boiler of the thermal efficiency, then more difficult by efficiency test, this is owing to vertical boiler self intrinsic more serious technical bug on structural design determines.The primary structure of existing vertical boiler is exactly the vertical flue that is filled with water around, the cavity that inboard wall of furnace forms is as the combustion chamber, one group of horizontal water tube that is connected with the flue chamber of being filled with water is installed as heat sink on top, combustion chamber, the impact tube that communicates with the combustion chamber is installed on flue top is discharged fume.That this vertical boiler has is simple in structure, low cost of manufacture, the little and easy to operate characteristics of installation floor space, and sizable market demand is still arranged at present.But, we also need not to dare not or would not speak up, the too simple vertical boiler of this structure also exists very serious familiar lacunas in actual motion, its main manifestations is: security performance is relatively poor, because it is to utilize the inboard wall of furnace cavity to do the combustion chamber, the bad structural design of this combustion chamber can cause the flue thermal stress seriously to concentrate and reduce bearing capacity, careless slightlyly in the actual motion operation very easily causes the substantial equipment accident of flue explosion and hurts sb.'s feelings.The low cost up of steaming that causes of its thermal efficiency of the 2nd,, its main cause is that fuel is burnt not yet cmpletely namely directly to be extracted out by impact tube in the combustion chamber and directly externally emitted, and the heat absorption capacity of horizontal water tube structure is relatively poor, this bad smoke discharging structure design can cause exhaust gas temperature too high, this will make a large amount of heat energy be accompanied by high-temperature flue gas discharging and in vain loss and waste fall, this is the main cause that the thermal efficiency is low, the cost that steams is high of existing vertical boiler just.The 3rd. its environmental pollution is serious, the stroke that the exit flue Structure and Process of existing vertical boiler is very simple, flue gas carries out the available heat exchange is extremely short, mix the fuel particle that in flue gas, burns cinder not yet fully more, these particles are difficult to again voluntarily sedimentation separation in shorter stroke, this directly cause just discharge that the flue gas dust concentration is large, fuel particle is many, blackness is high and the main cause of contaminated environment.In sum listed main familiar lacunas all be since existing vertical boiler scientific and reasonable not to the utmost on structural design due to.It has become the Tough questions that can serious restriction vertical boiler survive and develop, also is a technical problem in the urgent need to address of existing traditional vertical boiler for producing industry facing, and this just the present invention wants the problem that solves.

Summary of the invention:

Purpose of the present invention is intended to overcome existing vertical boiler above shortcomings part, and the vertical without the courage energy-saving, environmental protection boiler of a kind of brand new proposed, it is the further Improvement and perfection to existing traditional vertical boiler, the technical scheme that the present invention proposes can greatly improve the thermal efficiency and the security performance of vertical boiler, to energy savings, reduce environmental pollution and reduce the economic results in society that operating cost all has highly significant.

The objective of the invention is to realize by following technical solution:

Proposed by the invention is a kind of vertical without the courage energy-saving, environmental protection boiler, it comprises furnace shell, be installed on the combustion chamber of stove seat, drum and smoke exhaust pipe, it is characterized in that: the chimney arch of combustion chamber is provided with one group of cigarette hole that communicates with burner hearth, arrange installation outer ring pipe at chimney arch, middle ring pipe and interior ring pipe, ring pipe outside, middle ring pipe, connect one group of communicating pipe between the interior ring pipe, tube wall at middle ring pipe is connected and installed the cone bucket, be connected and installed outside one group of outer shroud water cooling tube that communicates with drum on the ring pipe, between one group of outer shroud water cooling tube, be connected with totally-enclosed membrane wall, be connected and installed one group of middle ring water cooling tube that communicates with drum at middle ring pipe, the sealing membrane wall is divided into the up ring cavity of flue gas under connecting between the ring water cooling tube in one group, be connected and installed one group of interior ring water cooling tube that communicates with drum at interior ring pipe, connect the sealing membrane wall between the ring water cooling tube and be divided into the descending ring cavity of flue gas and flue gas rising chamber in one group, said smoke exhaust pipe communicates with flue gas rising chamber.Main structure of the present invention is: burning section and the endothermic section of vertical boiler are designed to up and down combining structure, burning section is made of the combustion chamber that is installed on the stove seat, in the combustion chamber by be separated into the chamber structure that can carry out repeated combustion every arch, make the fuel of sending in the combustion chamber, to carry out repeatedly fully burning until burn cinder fully, realize that really fuel burns the maximization of cinder release heat.The endothermic section then is to be installed on one group of ring pipe on the chimney arch of combustion chamber by layout, water cooling tube and drum consist of, the water cooling tube that is connected in one group of ring pipe is communicated in drum and is divided into multilayer ring cavity structure by the membrane wall that connects, and then form the many backhauls exhaust gases passes turn back up and down, the high-temperature flue gas that is imported by combustion chamber will be successively carries out up and down the motion and carry out sufficient heat exchange with water body in the water cooling tube of turning back through too much return smoke gas passage, at this moment, the heat that water body in the water cooling tube will absorb high-temperature flue gas is gasificated into steam rising and enters in the drum, the flue gas of lowering the temperature through heat exchange is turning back up and down and can carry out natural subsidence in the process of motion and separate soot dust granule, be finally converted into the free of contamination tail gas of pale low temperature, can transport to chimney by smoke exhaust pipe and carry out safe qualified discharge.The structural design of this many backhauls exhaust gases passes can really realize absorbing substantially the goal of the invention that efficient heat is used for heating working medium.That is to say, it can farthest be converted to the exhaust gas heat loss efficient heat of heating working medium generating steam.The present invention has thoroughly abandoned " the liner structure " that existing traditional vertical boiler is continued to use for a long time, and a kind of vertical boiler that need not the flue tube structure parts is proposed, effectively improve stress and then strengthened bearing capacity, has high security performance, also reduced the manufacture difficulty of vertical boiler, reduced the steel use amount of producing boiler and then can significantly reduce manufacturing cost.And it is strong to the conformability of fuel band, and the pluralities of fuels such as applicable coal, oil and gas all have good combustion efficiency.The thermal efficiency, energy savings, pollution abatement load, protection of the environment and the enhancing safe operation unfailing performance that improves vertical boiler all had the effect of highly significant.

The present invention also has following technical characterictic:

Be connected and installed in that the ring water cooling tube consists of the descending ring cavity structure of double-layer combined flue gas by the two-layer concentric circles stringing of apportion mode in a group of ring pipe, this pipe laying structure design is particularly conducive to middle ring water cooling tube and high-temperature flue gas carries out exchange heat, the heat absorption capacity of ring water cooling tube in greatly strengthening, reduces the cost that steams positive effect is arranged this thermal efficiency to further raising vertical boiler.

The quantity of arranging ring pipe in the installation at chimney arch is 1～6, water cooling tube is a concentric circles cloth pipe unit in one group that ring pipe connects in each, and ecto-entad is arranged alternately upper sealing membrane wall, lower sealing membrane wall successively by concentric circles cloth pipe unit, can be divided into multi-layer combined ring cavity structure and then form many backhauls of flue gas passage, prolong smoke stroke effectively, reduces the cost that steams positive effect is arranged this thermal efficiency to further raising vertical boiler.

Inside tube face at the outer shroud water cooling tube is provided with heat absorbing sheet along axis direction, can increase effective endotherm area of outer shroud water cooling tube and then the heat absorption capacity of enhancing outer shroud water cooling tube, this has certain effect to the exchange rate that improves outer shroud water cooling tube and high-temperature flue gas, the water body gasification ascending motion state that improves in the outer shroud water cooling tube.

Inside tube face, outboard tube face at middle ring water cooling tube, interior ring water cooling tube are respectively arranged with heat absorbing sheet along axis direction, encircle effective endotherm area of water cooling tube, interior ring water cooling tube in also increasing, and then encircling the heat absorption capacity of water cooling tube, interior ring water cooling tube in strengthening, this thermal efficiency to further raising vertical boiler also has certain effect.

Bottom at the cone bucket is connected and installed ash tube, and the ash discharge mouth of pipe of ash tube communicates with burner hearth, is fitted with the deashing lid that matches with ash tube in the cone bucket, and the deashing lever that is stretched into by the deashing pore is hinged in the deashing lid.Vertical boiler is normally in service, deashing lid is that the mouth of pipe with ash tube covers and is closed state, flue gas turns back in the multilayer ring cavity up and down, and the soot dust granule that separates of natural subsidence will land in the cone bucket in the process of motion, only need fixed cycle operator deashing lever to open the deashing lid and carry out the deashing operation, soot dust granule impurity in the cone bucket can be recycled to by ash tube in the burner hearth of combustion chamber and re-start again burning, this has good effect to further raising efficiency of combustion and the burning situation of keeping the inner good cleaning of vertical boiler.

In burner hearth, set gradually every arch, two septums secundum arch is separated into the second-time burning burner hearth, the repeated combustion structure of three burner hearths, every arch, be provided with one group of cigarette hole on the two septums secundum arch and form the exhaust gases passes that communicates with burner hearth, the high-temperature flue gas of burner hearth internal combustion can be imported the second-time burning burner hearth successively, in three burner hearths, make the fuel particle that not yet burns cinder in the high-temperature flue gas can be at the second-time burning burner hearth, proceed second-time burning in three burner hearths, three burnings, its purpose will make fuel can burn fully until burn cinder fully exactly, farthest realize the maximization of fuel combustion release heat, this is to strengthening fuel combustion efficiency, the thermal efficiency that improves vertical boiler has obvious effect.Certainly also can increase setting again and repeatedly be separated into the repeated combustion chamber structure every arch according to the needs of above-mentioned principle and Actual combustion operating mode, this thermal efficiency to further raising vertical boiler also has certain effect.

Second-time burning burner hearth, three burner hearths are fitted with respectively the secondary wind inleting tube that links to each other with air main, three blast pipes.The operation volume damper can be regulated and control the intakes in second-time burning burner hearth, three burner hearths easily, and this has certain effect to the combustion efficiency of improving in second-time burning burner hearth, three burner hearths.

Hole wall in the cigarette hole is provided with to revolve leads the cigarette screw thread, the smoke port in cigarette hole is arranged to the back taper diffusion structure, high-temperature flue gas can be formed through one group of cigarette hole revolve diffusion type and enter successively again burning in second-time burning burner hearth, three burner hearths, this structural design can obviously strengthen second-time burning, three-burn burn rate, and this has facilitation to the maximization that realizes the fuel combustion release heat.

Fill the cotton thermal insulation layer of silicic acid in furnace shell, have good effect of heat insulation, can greatly reduce the external radiation heat loss of body of heater, this has a significant effect to energy savings.

The present invention compares with prior art has outstanding substantive distinguishing features and marked improvement:

1. the present invention has initiated the brand new of " without the flue vertical boiler ", and it has thoroughly abandoned the liner structural design that existing vertical boiler is continued to use for a long time.Because the vertical boiler that the present invention proposes is not have the flue tube structure parts, can greatly reduce vertical boiler manufacture difficulty, improve the vertical boiler stress and then can greatly strengthen bearing capacity, in actual motion, have high security performance.According to measuring and calculating: the steel use amount that it reduces to produce boiler with existing vertical boiler phase specific energy is more than 50%, and only this just can reduce manufacturing cost significantly.

2. the present invention has initiated " vertical boiler burning section and the endothermic section structure for making up up and down ", in the combustion chamber by be separated into " chamber structure of repeated combustion " every arch, make fuel can in the combustion chamber, carry out repeated combustion until burn cinder fully, can realize really that fuel burns the maximization of cinder release heat fully.The water cooling tube that at the combustion chamber chimney arch one group of ring pipe is installed, is connected with membrane wall is divided into " multilayer ring cavity structure " and forms " the many return smokes gas channel structure " that turns back up and down, it can prolong the stroke that high-temperature flue gas and water cooling tube carry out heat exchange effectively, greatly strengthen heat absorption capacity, can farthest reduce the exhaust gas heat loss, and the efficient heat that the exhaust gas heat loss is converted to for the heating working medium generating steam maximizes.This all has very significantly effect to the thermal efficiency, energy savings and the pollution abatement load that improves vertical boiler, has very great economic results in society.

The present invention have novel, design science rationally, manufacture easily, fitting operation is convenient, property safe and reliable to operation is high, the cost that steams is low and the outstanding advantages of long working life.

The present invention shows through on probation: its discharging is the free of contamination tail gas of pale low temperature, and the actual measurement exhaust gas temperature can be low to moderate 170 ℃, and the thermal efficiency of boiler meets the specification requirement of Environmental Safety discharge standard and efficiency test fully up to more than 82%.

Description of drawings:

Fig. 1 is main structure schematic diagram of the present invention, and the accompanying drawing that also makes an abstract shows that the combustion chamber is separated into the repeated combustion burner hearth and the structural representation of many backhauls exhaust gases passes of being formed by multilayer ring cavity stringing mode.

Fig. 2 is the A-A view (amplification) of Fig. 1, and the ring water cooling tube is installed the structural representation that lower sealing membrane wall consists of the passage that turns back on the up ring cavity of flue gas and the flue gas that the descending ring cavity of flue gas communicates in the displaying.

Fig. 3 is the B-B view (amplification) of Fig. 1, shows that one group of outer shroud water cooling tube, middle ring water cooling tube and interior ring water cooling tube consist of the structure chart of multi-layer combined ring cavity by concentric circles apportion stringing.

Fig. 4 is the C-C view (amplification) of Fig. 1, and the ring water cooling tube is installed the structural representation that the sealing membrane wall consists of the passage that turns back under the descending ring cavity of flue gas and the flue gas that flue gas rising chamber communicates in showing.

Fig. 5 is the D-D view (amplification) of Fig. 1, shows the syndeton schematic diagram by one group of communicating pipe and outer ring pipe, middle ring pipe and interior ring pipe.

Fig. 6 is the E-E view (amplification) of Fig. 1, shows that the chimney arch of combustion chamber arranges one group of cigarette pore structure schematic diagram.

Fig. 7 is the partial enlarged view of Fig. 1, revolves the schematic diagram of leading cigarette screw thread and back taper diffusion structure in the hole setting of displaying cigarette.

Fig. 8 is the cross section zoomed-in view of outer shroud water cooling tube, is illustrated in outer shroud water cooling tube inside tube face arranges heat absorbing sheet along axis direction structural representation.

Fig. 9 is the F-F view (amplification) of Fig. 2, is illustrated in and is connected and installed the structural representation that lower sealing membrane wall consists of the passage that turns back on the flue gas between the tube wall of middle ring water cooling tube.

Figure 10 is the G-G view (amplification) of Fig. 4, is illustrated in and is connected and installed the structural representation that the sealing membrane wall consists of the passage that turns back under the flue gas between the tube wall of interior ring water cooling tube.

Figure 11 is the H-H view of Fig. 9, is illustrated in the inside tube face of middle ring water cooling tube, the outboard tube face arranges respectively heat absorbing sheet along axis direction structural representation.

Figure 12 is the K-K view of Figure 10, is illustrated in the inside tube face of interior ring water cooling tube, the outboard tube face arranges respectively heat absorbing sheet along axis direction structural representation.

Figure 13 shows that the deashing that is fitted in the cone bucket covers the structural representation that is connected with the deashing lever.

Figure 14 shows that the ring water cooling tube is by the structural representation of the descending ring cavity of concentric circles apportion stringing formation combined type flue gas in one group that is connected and installed in middle ring pipe.

Figure 15 is illustrated in and is connected and installed respectively the structural representation that middle ring pipe consists of the multi-layer combined ring cavity of many backhauls exhaust gases passes in one group on the ring pipe.

Description of reference numerals:

1 is smoke exhaust pipe, and 2 is the safety valve base, and 3 is the auxiliary steam pipe base, 4 is drum, and 5 is furnace shell, and 6 is middle ring water cooling tube, 7 is the descending ring cavity of flue gas, and 8 is arrow, and 9 is interior ring water cooling tube, 10 is communicating pipe, and 11 is the outer shroud water cooling tube, and 12 is the water inlet pipe base, 13 are the deashing lid, and 14 for observing the gray moving hole, and 15 is three blast pipes, 16 is secondary wind inleting tube, and 17 is ash tube, and 18 is the combustion chamber, 19 is volume damper, and 20 is air main, and 21 is chimney arch, 22 is burner hearth, and 23 is fire grate, and 24 is the stove seat, 25 is every arch, and 26 is two septums secundum arches, and 27 are the second-time burning burner hearth, 28 is three burner hearths, and 29 is the cigarette hole, and 30 is blow-off pipe, 31 are the cone bucket, and 32 is the outer ring pipe, and 33 is the deashing pore, 34 is middle ring pipe, 35 is interior ring pipe, and 36 is the up ring cavity of flue gas, and 37 is the cotton thermal insulation layer of silicic acid, 38 is flue gas rising chamber, 39 is water-level gauge, and 40 is the Pressure gauge base, and 41 is the live steam pipe base, 42 is totally-enclosed membrane wall, 43 is upper sealing membrane wall, and 44 are the passage that turns back on the flue gas, and 45 is lower sealing membrane wall, 46 are the passage that turns back under the flue gas, 47 on revolve and lead the cigarette screw thread, 48 is the back taper diffusion structure, 49 is heat absorbing sheet, 50 is the deashing lever, and 51 is handle.

The specific embodiment:

Further describe embodiments of the invention below in conjunction with accompanying drawing:

It is vertical without the courage energy-saving, environmental protection boiler that the present invention proposes, it is mainly by furnace shell 5, be installed on the combustion chamber 18 of stove seat 24, outer ring pipe 32, outer shroud water cooling tube 11, middle ring pipe 34, be connected in the cone bucket 31 of middle ring pipe 34 tube walls, middle ring water cooling tube 6, interior ring pipe 35, interior ring water cooling tube 9, drum 4 and smoke exhaust pipe 1 consist of, 18 burner hearth 22 interior settings are separated into second-time burning burner hearth 27 every arch 25 in the combustion chamber, two septums secundum arch 26 is set in second-time burning burner hearth 27 again is divided into burner hearth 28 three times, second-time burning burner hearth 27, three times burner hearth 28 is fitted with respectively the secondary wind inleting tube 16 that is connected with air main 20, three blast pipes 15, every the arch 25, be provided with one group of cigarette hole 29 on two septums secundum arch 26 and the chimney arch 21, revolve cigarette hole 29 inner hole wall settings and to lead cigarette screw thread 47, the smoke port in cigarette hole 29 is set to back taper diffusion structure 48, said outer ring pipe 32, middle ring pipe 34, interior ring pipe 35 is to arrange to be installed on the chimney arch 21 of combustion chamber 18, ring pipe 32 outside, middle ring pipe 34, connect between the interior ring pipe 35 and one group of communicating pipe 10 consist of the water-supply structure that communicates, water inlet pipe base 12 and blow-off pipe 30 are installed on the ring pipe 32 outside, tube wall at middle ring pipe 34 is connected and installed cone bucket 31, bottom at cone bucket 31 is connected and installed ash tube 17, the ash discharge mouth of pipe of ash tube 17 is communicated with burner hearth 22, in cone bucket 31, be fitted with the deashing lid 13 that matches with ash tube 17, the deashing lever 50 that stretches into from deashing pore 33 is hinged in deashing lid 13, be connected and installed outside one group of outer shroud water cooling tube 11 that communicates with drum 4 on the ring pipe 32, between one group of outer shroud water cooling tube 11, connect the drum-shaped structure that totally-enclosed membrane wall 42 forms sealing, filling the cotton thermal insulation layer 37 of silicic acid in furnace shell 5 enriches in the outer side surface of totally-enclosed membrane wall 42 again, be connected and installed one group of middle ring water cooling tube 6 that communicates with drum 4 at middle ring pipe 34, sealing membrane wall 45 is divided into the up ring cavity 36 of flue gas under connecting between the ring water cooling tube 6 in one group, and form the flue gas passage 44 that turns back in the upper end, be connected and installed one group of interior ring water cooling tube 9 that communicates with drum 4 at interior ring pipe 35, in one group, connect sealing membrane wall 43 between the ring water cooling tube 9 and be divided into the descending ring cavity 7 of flue gas and flue gas rising chamber 38, and the passage 46 that under lower end formation flue gas, turns back, again smoke exhaust pipe 1 is connected with the most end stroke end in flue gas rising chamber 38, so far, namely be divided into " shellring cavity configuration " by the one group of water cooling tube that is connected with membrane wall and form " the three return smoke gas channel structures " that turns back up and down.Can be according to the need of work of vertical boiler, inside tube face, outboard tube face at middle ring water cooling tube 6, interior ring water cooling tube 9 arrange respectively heat absorbing sheet 49 along axis direction, also can be provided with heat absorbing sheet 49 along axis direction at the inside tube face of outer shroud water cooling tube 11, the purpose that heat absorbing sheet 49 is set is in order effectively to increase endotherm area, and this has certain effect to the further raising thermal efficiency.Also can be according to the need of work of vertical boiler, the middle ring water cooling tube 6 that is connected in middle ring pipe 34 is consisted of descending ring cavity 7 structures of double-layer combined flue gas by two-layer concentric circles apportion stringing, also arrange between ring pipe 32 and the interior ring pipe 35 outside two middle ring pipes 34 are installed, or arrange three middle ring pipes 34 are installed, perhaps arrange five middle ring pipes 34 are installed, water cooling tube 6 is as a concentric circles cloth pipe unit in will be in each connect on the ring pipe 34 one group, and concentric circles cloth pipe unit ecto-entad is arranged alternately lower sealing membrane wall 45 successively, upper sealing membrane wall 43, can be divided into multi-layer combined ring cavity structure and form many backhauls exhaust gases passes, greatly prolong smoke is carried out the effective travel of heat exchange, and this is to the thermal efficiency of further raising vertical boiler, reduce the cost that steams and have very significantly effect.The present invention is performed such installment work: setting pressure table on the Pressure gauge base 40 that is communicated with drum 4, mounting safety valve on safety valve base 2, at live steam pipe base 41 main tracheae is installed, at auxiliary steam pipe base 3 accessory trachea is installed, the equipped water-level gauge 39 in drum 4 sides, smoke exhaust pipe 1 is connected chimney after being connected in series flue gas waste heat recoverer, or smoke exhaust pipe 1 is directly connected in chimney, be connected in the hot-water line of flue gas waste heat recoverer at water inlet pipe base 12, or on water inlet pipe base 12, directly connect feed pipe, air main 20 is connected in the ajutage of blower fan, the handle 51 that then operates deashing lever 50 makes the mouth of pipe of deashing lid 13 sealing ash tubes 17.So far after finishing installation preparation, can in the burner hearth 22 of combustion chamber 18, send into coal-fired and the igniting air-supply, fire coal is burnt at fire grate 23, operation volume damper 19 can be regulated second-time burning burner hearth 27 easily, air quantity in three burner hearths 28, can observe easily stove internal combustion situation and carry out the gray moving operation by the observation gray moving hole 14 of combustion chamber 18, coal-fired high-temperature flue gas in burner hearth 22 internal combustion will revolve diffusion type through smoke through hole 29 formation and enter successively second-time burning burner hearth 27, proceed again second-time burning in three burner hearths 28, three burnings, its objective is that the temperature of high-temperature flue gas will reach peak value after repeated combustion in order to make fuel burn substantially releases heat of cinder fully.At this moment; the high-temperature flue gas that reaches peak value will be imported by the one group of cigarette hole 29 on the chimney arch 21 upwards motion in the up ring cavity 36 of flue gas; as shown in arrow 8; up high-temperature flue gas will enter the descending ring cavity 7 interior downward motions of flue gas by the passage 44 that turns back on the flue gas; the passage 46 that turns back under flue gas again enters upwards motion in the flue gas rising chamber 38; in the process that high-temperature flue gas moves in " three backhaul exhaust gases passes " up and down will with water cooling tube in water body carry out sufficient heat exchange; consequently: the heat that the water body in the water cooling tube can constantly absorb high-temperature flue gas is gasificated into steam rising and enters in the drum 4; can by be installed on the live steam pipe base 41 the output of main tracheae for; flue gas can natural subsidence separate tiny soot dust granule in three backhaul passages turn back the process of moving up and down; the tiny soot dust granule that separates can land in the cone bucket 31; only need fixed cycle operator operating grip 51 to open deashing lid 13 by deashing lever 50 and carry out the deashing operation, the soot dust granules in the cone bucket 31 can be recycled to by ash tube 17 in the burner hearth 22 of combustion chamber 18 and again burn.And be transformed into the pollution-free tail gas of pale low temperature through the flue gas behind heat exchange cooling and the sedimentation separation soot dust granule, can carry out safe qualified discharge through chimney through smoke exhaust pipe 1 output.

Obviously; above-described embodiment only is to realize one of mode of technical solution of the present invention; the scope of protection of present invention is not limited to above-described embodiment, also should comprise other embodiment that can be changed according to technical scheme of the present invention by those of ordinary skill in the art.

Claims

One kind vertical without the courage energy-saving, environmental protection boiler, it comprises furnace shell (5), be installed on the combustion chamber (18) of stove seat (24), drum (4) and smoke exhaust pipe (1), it is characterized in that: the chimney arch (21) of combustion chamber (18) is provided with one group of cigarette hole (29) that communicates with burner hearth (22), arrange installation outer ring pipe (32) at chimney arch (21), middle ring pipe (34) and interior ring pipe (35), ring pipe (32) outside, middle ring pipe (34), connect one group of communicating pipe (10) between the interior ring pipe (35), tube wall at middle ring pipe (34) is connected and installed cone bucket (31), be connected and installed outside one group of outer shroud water cooling tube (11) that communicates with drum (4) on the ring pipe (32), between one group of outer shroud water cooling tube (11), be connected with totally-enclosed membrane wall (42), be connected and installed one group of middle ring water cooling tube (6) that communicates with drum (4) at middle ring pipe (34), in one group, encircle between the water cooling tube (6) and to connect the lower membrane wall (45) that seals and be divided into the up ring cavity of flue gas (36), be connected and installed one group of interior ring water cooling tube (9) that communicates with drum (4) at interior ring pipe (35), encircle between the water cooling tube (9) to connect in one group and seal membrane wall (43) and be divided into the descending ring cavity of flue gas (7) and flue gas rising chamber (38), described smoke exhaust pipe (1) communicates with flue gas rising chamber (38).
2. according to claim 1 vertical without the courage energy-saving, environmental protection boiler, it is characterized in that: be connected and installed in and encircle water cooling tube (6) in a group of middle ring pipe (34) and consist of the descending ring cavity of double-layer combined flue gas (7) structure by the two-layer concentric circles stringing of apportion mode.
3. according to claim 1 and 2 vertical without the courage energy-saving, environmental protection boiler, it is characterized in that: the quantity of arranging ring pipe (34) in the installation at chimney arch (21) is 1 ~ 6.
4. according to claim 1 and 2 vertical without the courage energy-saving, environmental protection boiler, it is characterized in that: the inside tube face at outer shroud water cooling tube (11) is provided with heat absorbing sheet (49) along axis direction.
5. according to claim 1 and 2 vertical without the courage energy-saving, environmental protection boiler, it is characterized in that: inside tube face, outboard tube face at middle ring water cooling tube (6), interior ring water cooling tube (9) are respectively arranged with heat absorbing sheet (49) along axis direction.
6. according to claim 1 and 2 vertical without the courage energy-saving, environmental protection boiler, it is characterized in that: the bottom at cone bucket (31) is connected and installed ash tube (17), the ash discharge mouth of pipe of ash tube (17) communicates with burner hearth (22), be fitted with the deashing lid (13) that matches with ash tube (17) in cone bucket (31), the deashing lever (50) that is stretched into by deashing pore (33) is hinged in deashing lid (13).
7. according to claim 1 and 2 vertical without the courage energy-saving, environmental protection boiler, it is characterized in that: in burner hearth (22), set gradually the repeated combustion structure that is separated into second-time burning burner hearth (27), three burner hearths (28) every arch (25), two septums secundum arches (26).
8. according to claimed in claim 7 vertical without the courage energy-saving, environmental protection boiler, it is characterized in that: second-time burning burner hearth (27), three burner hearths (28) are fitted with respectively secondary wind inleting tube (16), three blast pipes (15) that link to each other with air main (20).
9. according to claim 1 and 2 vertical without the courage energy-saving, environmental protection boiler, it is characterized in that: the hole wall in cigarette hole (29) is provided with to revolve leads cigarette screw thread (47), and the smoke port of cigarette hole (29) is arranged to back taper diffusion structure (48).
10. according to claim 1 and 2 vertical without the courage energy-saving, environmental protection boiler, it is characterized in that: in furnace shell (5), fill the cotton thermal insulation layer (37) of silicic acid.