CN103542394B - Stacked boiler and closed steam generator - Google Patents

Stacked boiler and closed steam generator Download PDF

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Publication number
CN103542394B
CN103542394B CN201310481908.4A CN201310481908A CN103542394B CN 103542394 B CN103542394 B CN 103542394B CN 201310481908 A CN201310481908 A CN 201310481908A CN 103542394 B CN103542394 B CN 103542394B
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heat supply
supply chamber
passage
stacked
platform
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CN103542394A (en
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曾文洲
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Abstract

The invention provides a stacked boiler high in heat exchange efficiency and capable of resisting scale and a closed steam generator comprising the stacked boiler. The stacked boiler comprises a boiler body (1). A water chamber (2) and a flue gas flow chamber (3) enclosed by the water chamber (2) form in the boiler body (1). The flue gas flow chamber (3) is formed by stacking a plurality of layers of heat supply cavities (31). The upper end of the flue gas flow chamber (3) is provided with a gas outlet (33). The upper surface of the outside of each layer of heat supply cavity (31) is coated with anti-scale coating. Air holes (32) in the upper surface of the same heat supply cavity and air holes (32) in the lower surface of the same heat supply cavity stagger, and flue gas flows in a zigzag form. The steam generator further comprises a stove device comprising a stove body. The upper end of the stove body is provided with a hearth area. The bottom edge of the stacked boiler is in tight fit with the top edge of the hearth area (42). The stacked boiler and the closed steam generator are applied to the field of stove equipment.

Description

Stacked kettle and closed steam generator
Technical field
The present invention relates to a kind of kettle, particularly relate to and a kind ofly there is the stacked kettle of brand new and contain the closed steam generator of this kettle.
Background technology
The application of steam in industry and civilian industry is more and more wider, and demand is increasing.Existing steam generator great majority also exist that heat exchanger effectiveness is low, the problem of apparatus expensive.In steam generating process, also as easy as rolling off a log generation incrustation scale accumulating in kettle.After a period of time, due to the accumulation of incrustation scale, heat exchanger effectiveness is more and more lower, could re-use to finally carrying out scale removal process.This adds increased scale removal cost.Heat exchanger effectiveness is low and post-processed cost is high looks forward to, and is the common problem existed in current steam generator.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of heat exchanger effectiveness high and the stacked kettle of energy scale-deposit-preventing.
Present invention also offers a kind of closed steam generator comprising above-mentioned stacked kettle, this steam generator effectively can improve heat exchanger effectiveness, and can prevent incrustation scale from producing.
The technical scheme that the stacked kettle of the present invention adopts is: this stacked kettle comprises a pot body, be filled with water room and the smoke circulating chamber that surrounded by the described room of being filled with water is provided with in described pot body, described smoke circulating chamber superposes connection by some layers of heat supply chamber and forms, the upper end of described smoke circulating chamber is provided with gas outlet, every layer described, the external upper in heat supply chamber scribbles antifouling coating, stagger in the upper side in each described heat supply chamber and downside and be provided with at least one passage, if the described passage of one of them side is positioned at submarginal position, described heat supply chamber, then the described passage of another side be positioned at described heat supply chamber near or be in the position at center, for adjacent two heat supply chambeies, be positioned at top heat supply chamber downside on passage be positioned at below heat supply chamber upper side on passage communicate.
Described in each, heat supply chamber is one-body molded, the periphery being positioned at the passage of described heat supply chamber upper side is provided with sealing platform, described sealing platform is provided with seal groove, sealing strip is combined with in described seal groove, be positioned at the upper passage along inserting on the downside, heat supply chamber being positioned at top of the passage on the heat supply chamber upper side of below, and on the sealing platform of the downside press seal being positioned at the heat supply chamber of top on the heat supply chamber upper side being positioned at below, be positioned at the heat supply chamber of top and the heat supply chamber below being positioned at and be connected by described passage.
The outer rim in every layer of described heat supply chamber is provided with several uniform fastening bases, and described fastening base is provided with through hole, by coordinating screw rod to be fixed connection in the through hole on this two-layer heat supply chamber between adjacent two-layer heat supply chamber.
Or; protective sleeve is provided with in the described passage be communicated with between two adjacent heat supply chambeies; described protective sleeve is inverted T shape and is made up of exotic material, and the upper end of described protective sleeve is combined with jump ring, and described jump ring is clamped on the downside in the heat supply chamber being positioned at top.
On two adjacent heat supply chambeies, the surrounding of each passage on the downside in the heat supply chamber above being positioned at forms the platform I to lower process, and/or be positioned at below heat supply chamber upper side on the surrounding of each passage also form platform II upwardly, the described platform I of projection is superimposed with the upper side in the heat supply chamber being positioned at below, or the described platform II of projection is superimposed with the downside in the heat supply chamber being positioned at top, or the described platform I of projection and the described platform II of projection are superimposed, described platform I and/or described platform II are provided with groove, sealing ring sealing is combined with in described groove.
The described indoor that are filled with water are provided with level control switch for water, are communicated with a steam pipe in the upper end of the described room that is filled with water.
The technical scheme that closed steam generator of the present invention adopts is: this closed steam generator contains above-mentioned stacked kettle, also comprise stove device, this device comprises furnace body and blower fan, described blower fan is connected with the air intake district of described furnace body by airduct, described air intake district is also communicated with peripheral fuel gas source, the top of described furnace body is hearth zone, described hearth zone is connected with described heat supply chamber, the bottom outer-edge of described stacked kettle and the top outer rim close fit of described hearth zone.
Above described gas outlet, be provided with air exhauster, described air exhauster is connected with peripheral power supply.
Described closed steam generator also comprises a controller, peripheral fuel gas source is connected by pipeline with between described air intake district, described pipeline is provided with at least one magnetic valve, described pipeline is also provided with pipeline pressure measurement mechanism, described pipeline pressure measurement mechanism includes pressure sensor, and described magnetic valve, described blower fan, described air exhauster are all connected with described controller with described pressure sensor.
The wall of described hearth zone offers a normally closed port, and described normally closed port controls opening and closing by a tractor, and described tractor is electrically connected with described controller.
The beneficial effect of stacked kettle of the present invention is: the stacked kettle in the present invention, adopt brand-new water bag fire design concept, and design brand-new smoke circulating chamber's structure, flue gas with amount of heat passes through smoke circulating chamber, and smoke circulating chamber is made up of multiple heat supply chamber, be communicated with by passage between two heat supply chambeies, formed repeatedly box-like, and the upper side in same layer heat supply chamber and downside are provided with the described passage staggered position, if wherein the described passage of side is positioned at submarginal position on described heat supply chamber, then the described passage of opposite side be positioned on described heat supply chamber near or be in the position at center, on two adjacent heat supply chambeies, be positioned at top heat supply chamber downside on passage be positioned at below heat supply chamber upper side on passage communicate, this structure makes flue gas flowing in "the" shape in heat supply chamber, and this type of flow makes flue gas enough large with the contact area of the peripheral room that is filled with water, and contact area is larger, exchanged walk heat more, heat in last flue gas is fewer, and the heat be wasted is fewer, in addition, the surface contacted with water body every layer described on heat supply chamber scribbles antiscale material in the present invention, namely prevents the phenomenon that fouling occurs in steam generating process, therefore, the heat exchanger effectiveness of the stacked kettle in the present invention is high, and scale-deposit-preventing effect can be realized, without the need to carrying out dirty removing processing in kettle use procedure, save rear current cost, and the raising of heat exchanger effectiveness, indirectly save fuel, realize energy-saving and emission-reduction truly, meet the requirement of environmental protection.
Owing to being provided with level control switch for water in the described indoor that are filled with water, so, after the indoor water that is filled with water reduces, automatically the water inlet pipe controlling to be connected then with the room of being filled with water by described level control switch for water is intake, making to be filled with water indoor water quantity holding a certain amount of, avoiding the whole room that is filled with water to be caused danger by burning after discharge reduction.
The beneficial effect of closed steam generator of the present invention is: described closed steam generator make use of the feature that above-mentioned stacked kettle has high heat exchanger effectiveness, drastically increase steam generating amount and the efficiency of this steam generator, simultaneously, the bottom outer-edge of described stacked kettle and the top outer rim close fit of described hearth zone, the heat that burning is produced passes through completely from the described cingens smoke circulating chamber in the room that is filled with water, heat is avoided to run off in a large number, drastically increase the thermal efficiency of steam generator, simultaneously, also be a kind of steam generator that can effectively prevent incrustation scale from producing, in addition, above gas outlet, air exhauster is set, air exhauster aspirates the flue gas of discharging in heat supply chamber, make to form negative pressure in heat supply chamber, and the thermal current that the burning of hearth zone place produces is when heat supply chamber is negative pressure, naturally flow in described heat supply chamber, realize flue gas and flow to negative pressure place swimmingly from malleation, avoid in heat supply chamber and have flue gas residence and phenomenon of blasting.
In the present invention, adopt a controller to blower fan, several magnetic valves on the pipeline be connected with fuel gas source control in order with the air exhauster at the gas outlet place being positioned at smoke circulating chamber upper end, the pipeline be connected with fuel gas source arranges pipeline pressure measurement mechanism, pressure sensor is utilized to measure pipeline pressure and feed back to described controller, described controller is utilized to calculate accurately the ratio of gas quantity with air quantity, the control of fuel air ratio in furnace body and air exhauster power can be realized like this, realize quantity of steam that described steam generator is produced and steam generation efficiency controls, realize the maximization of using energy source.
The present invention offers a normally closed port on the wall of described hearth zone, described normally closed port controls opening and closing by a tractor, described tractor is electrically connected with described controller, when starting fire maker, need first to open described normally closed port and refire mist, after mist burning steadily in hearth zone, more closed described normally closed port; The opening and closing of described normally closed port controls described tractor by described controller and realizes, and simultaneously in conjunction with the orderly control of controller to blower fan, magnetic valve and air exhauster etc., realizes energy-conservation to greatest extent; In addition, the setting of described normally closed port is in order in steam generator ignition process, avoids the moment in igniting, and the phenomenon of quick-fried pot occurs because the mist density in burner hearth is comparatively large.The setting of normally closed port, avoids and send the sound in the course of work of steam generator.
Accompanying drawing explanation
Fig. 1 is the easy structure schematic diagram of described stacked kettle in embodiment one;
Fig. 2 is described stacked kettle the first easy structure schematic diagram in embodiment two;
Fig. 3 is the second easy structure schematic diagram of described stacked kettle in embodiment two;
Fig. 4 is the first plan structure schematic diagram in heat supply chamber described in embodiment one;
Fig. 5 is that the first of heat supply chamber described in embodiment one looks up structural representation;
Fig. 6 is the second plan structure schematic diagram in heat supply chamber described in embodiment one;
Fig. 7 is that the second in heat supply chamber described in embodiment one looks up structural representation;
Fig. 8 is the plan structure schematic diagram in heat supply chamber described in embodiment two;
Fig. 9 be heat supply chamber described in embodiment two look up structural representation;
Figure 10 is the syndeton schematic diagram of described protective sleeve;
Figure 11 is the easy structure schematic diagram of described closed steam generator;
Figure 12 is the structural representation of described furnace body;
Figure 13 is the easy structure schematic diagram of described pipeline pressure measurement mechanism.
Detailed description of the invention
embodiment one:
As shown in Fig. 1 and Fig. 4 to 7, disclose a kind of structure of stacked kettle in the present embodiment.This kettle comprises pot body 1, is provided be filled with water room 2 and the smoke circulating chamber 3 that surrounded by the described room 2 that is filled with water in described pot body 1.In the described room 2 that is filled with water, be provided with level control switch for water 9, in the present embodiment, described level control switch for water 9 is float switch.A steam pipe 21 is communicated with in the described upper end being filled with water room 2.After the water in the room 2 that is filled with water reduces, the water inlet pipe automatically controlling to be connected then with the room of being filled with water by described level control switch for water 9 is intake, and then supplements the indoor water yield that is filled with water.Described smoke circulating chamber 3 is superposed by some layers of heat supply chamber 31 and is communicated with by passage 32 and forms.According to the height of the flue-gas temperature for described kettle heat supply, the number of plies in described heat supply chamber 31 can be determined according to specific circumstances.When the temperature of the flue gas for kettle heat supply is higher, can the number of plies in heat supply chamber 31 be arranged more; When the temperature of the flue gas for kettle heat supply is lower, can the number of plies in heat supply chamber 31 be arranged less.The described room 2 that is filled with water forms closed chamber.The upper end of described smoke circulating chamber 3 is provided with gas outlet 33.Every layer described, the external upper in heat supply chamber 31 scribbles antifouling coating, effectively prevent the generation of incrustation scale.Stagger in the upper side in each described heat supply chamber 31 and downside and be provided with at least one passage 32, if the described passage 32 of one of them side is positioned at submarginal position, described heat supply chamber 31, then the described passage 32 of another side be positioned at described heat supply chamber 31 near or be in the position at center, for adjacent two heat supply chambeies 31, be positioned at top heat supply chamber 31 downside on passage 32 be positioned at below heat supply chamber 31 upper side on passage 32 communicate.In the present embodiment, the number of the passage 32 that the position being positioned at center, heat supply chamber 31 is arranged is one, the number being positioned at the passage 32 that submarginal position, heat supply chamber 31 is arranged is some, and it is uniformly distributed around the center of this side on the side in heat supply chamber 31.
In the present embodiment, described in each, heat supply chamber 31 integrally casting is shaping.When pouring into a mould, the periphery being positioned at the passage 32 of described heat supply chamber 31 upper side is provided with sealing platform 323, and described sealing platform 323 is provided with seal groove 3231.Sealing strip (not shown in the accompanying drawings) is combined with in described seal groove 3231.Be positioned at the upper passage 32 along inserting on the downside, heat supply chamber 31 being positioned at top of the passage 32 on heat supply chamber 31 upper side of below, and on the sealing platform 323 of the downside press seal being positioned at the heat supply chamber 31 of top on heat supply chamber 31 upper side being positioned at below, be positioned at the heat supply chamber 31 of top and the heat supply chamber 31 below being positioned at and be connected by described passage 32.
The outer rim in every layer of described heat supply chamber 31 is provided with several uniform fastening bases 324, described fastening base 324 is provided with through hole 325, by coordinating screw rod 326 to be fixed connection in the through hole 325 on this two-layer heat supply chamber 31 between adjacent two-layer heat supply chamber 31.In the present embodiment, described fastening base 324 can be arranged on described heat supply chamber 31 outer rim within or the setting that stretches out.
As shown in Figures 4 and 5, be realize in the following manner connecting between adjacent two-layer heat supply chamber.Every layer described, the outer rim in heat supply chamber 31 is provided with the uniform fastening base of even number 324, wherein the described fastening base 324 of half number is corresponding with the fastening base 324 on the heat supply chamber 31 be positioned at above this heat supply chamber 31, in the through hole 325 on the fastening base 324 that these are corresponding, coordinate screw rod 326, thus realize being fixedly connected with between this heat supply chamber and the heat supply chamber of the side of being located thereon; The described fastening base 324 of the other half number on this heat supply chamber 31 is corresponding with the fastening base 324 on the heat supply chamber 31 be positioned at below this heat supply chamber 31, in the through hole 325 on the fastening base 324 that these are corresponding, coordinate screw rod 326, thus realize being fixedly connected with between this heat supply chamber and the heat supply chamber below it.On this heat supply chamber 31, the screw rod 326 be connected with the heat supply chamber of top and the screw rod 326 that is connected with the heat supply chamber of below in plum blossom between bamboo distribute.By the connection function of described screw rod 326, on the sealing platform 323 that the downside in the heat supply chamber 31 being positioned at top is closely adjacent to all the time on the heat supply chamber 31 being positioned at below.
As shown in Figure 1, the position arranged due to the passage of same described heat supply chamber 31 upper and lower sides is different, the flue gas with heat in heat supply chamber is made to be "the" shape flowing, this time making the inwall in flue gas and heat supply chamber that " friction " occur lengthens greatly, substantially increase heat and effective contact area of the room that is filled with water, improve heat exchanger effectiveness.
embodiment two:
As shown in Fig. 2, Fig. 3, Fig. 8, Fig. 9 and Figure 10, in the present embodiment, also disclose a kind of stacked kettle.The present embodiment is from the difference of embodiment one: the structure in described heat supply chamber 31 is different with congruent manner.In the present embodiment, described heat supply chamber 31 is made up of upper side and downside.In described passage 32, be provided with protective sleeve 34, described protective sleeve 34 is inverted T shape and is made up of exotic material, and described exotic material is aluminium oxide ceramics, mullite or carbofrax material.The upper end of described protective sleeve 34 is provided with jump ring 35, and described jump ring 35 is clamped on the downside in the heat supply chamber 31 being positioned at top.In the course of the work, on two adjacent heat supply chambeies 31, the surrounding of each passage 32 on the downside in the heat supply chamber 31 above being positioned at forms the platform I 321 to lower process, or the surrounding of each passage 32 be positioned on the upper side in the heat supply chamber 31 of below also forms platform II 322 upwardly, or be positioned at top heat supply chamber 31 downside on each passage 32 surrounding and be positioned at below heat supply chamber 31 upper side on the surrounding of each passage 32 form platform I 321 to lower process and platform II 322 upwardly respectively.When being only provided with described platform I 321, the described platform I 321 of projection is superimposed with the upper side in the heat supply chamber 31 being positioned at below; When being only provided with described platform II 322, the described platform II 322 of projection is superimposed with the downside in the heat supply chamber 31 being positioned at top; When to be provided with described platform I 321 and described platform II 322 simultaneously, the described platform I 321 of projection and the described platform II 322 of projection are superimposed, at described platform I 321 or described platform II 322 or be provided with groove on both opposite positions simultaneously, in described groove, be combined with sealing ring 36 seal.Upper and lower side compresses with water-inlet-proof with bolt by the sealing ring 36 of described passage 32 periphery.In described smoke circulating chamber 3, the position of sealing all adopts bolt to be fixed.Described passage 32 is arranged on the center of described platform I 321 and described platform II 322.Described pot body 1 and described smoke circulating chamber 3 are all in cylindric or Fang Tizhuan, and the hollow hole of described protective sleeve 34 is rounded or square.
embodiment three:
As shown in figure 1 to figure 13, this gives the technical scheme of the closed steam generator containing stacked kettle described in embodiment one or embodiment two.In this embodiment, be applied to closed steam generator with the stacked kettle in embodiment one to be described in detail.
Described closed steam generator is except comprising above-mentioned stacked kettle, also comprise stove device, this device comprises furnace body 4 and blower fan 5, and described blower fan 5 is connected by the air intake district 41 of airduct with described furnace body 4, and described air intake district 41 is positioned at described furnace body 4 bottom.Described air intake district 41 is also communicated with peripheral fuel gas source.The top of described furnace body 4 is hearth zone 42.Described furnace body 4 is disposed with described air intake district 41, mixed zone 43, combustion zone 44 and described hearth zone 42 from the bottom to top.The bottom outer-edge of described stacked kettle and the top outer rim close fit of described hearth zone 42.Described hearth zone 42 is connected with described heat supply chamber 31, above described gas outlet 33, be provided with air exhauster 6, and described air exhauster 6 is connected with peripheral power supply.The wall of described hearth zone 42 offers a normally closed port 10.When starting fire maker, needing first to open described normally closed port 10 and refiring mist, after the mist burning steadily in hearth zone 42, then close described normally closed port 10; The setting of described normally closed port 10 is in order in steam generator ignition process, avoids the moment in igniting, and the phenomenon of quick-fried pot occurs because the mist density in burner hearth is comparatively large.Under the effect of air exhauster, the flue gas produced in hearth zone 42, all by described heat supply chamber 31, finally flows out from gas outlet 33.This steam generator also comprises a controller 7.Peripheral fuel gas source is connected by pipeline 8 with between described air intake district 41.Described pipeline 8 is provided with several magnetic valves 81.Described pipeline 8 is also provided with pipeline pressure measurement mechanism, and described pipeline pressure measurement mechanism includes pressure sensor 11, and described in several, magnetic valve 81, blower fan 5, described air exhauster 6 are all connected with described controller 7 with described pressure sensor 11.Described pipeline pressure measurement mechanism is made up of a box body 12, a colloid membrane layer 13 is provided with in described box body 12, described box body 12 is separated into two independently spaces by described thin layer 13, one of them spatial placement has the import 14 be connected with described pipeline 8, described pressure sensor 11 is arranged in another space, the one side of the close described pressure sensor 11 of described thin layer 13 arranges a fixed head 15 by connector, and described fixed head 15 is iron plate, steel plate, aluminium sheet or the plank with enough hardness.Described fixed head 15 or described pressure sensor 11 are provided with a contact block 16.Described pressure sensor 11 is cantilevered LOAD CELLS, column weighting sensor or S shape LOAD CELLS.Described box body 12 is combined into by two parts, and described thin layer 13 is compressed by two parts box body and keeps the part connecting peripheral conduits to be sealing state.When described import 14 to be communicated with described pipeline 8 and to have gas medium to flow, described thin layer 13 deforms, described fixed head 15 presses to described pressure sensor 11, and pressure is passed to described pressure sensor 11, described pressure sensor 11 is converted the pressure afforded to the signal of telecommunication and is given described controller 7 by wire, regulate and control rotation speed of fan by controller 7 again, realize the accurate control of gas quantity and the ratio of air quantity, thus make the burning in steam generator be in sufficient state.
Described controller 7 is provided with digital serial port, control panel and several control buttons, and described digital serial port is USB port or RS232 serial ports.By described control panel and control button, can realize arranging the various parameters in controller or checking the various data that store in controller, utilize described digital serial port can also derive storage data in controller, so that releasing memory or to data analysis, for follow-up improvement provides reference.Magnetic valve 81 on described pipeline 8 accurately can control the gas quantity entering into described air intake district 41, and blower fan can provide the air of requirement for stove device, in conjunction with the control to air exhauster, the steam production of steam generator and the accurate control of efficiency can be realized.
The upper side in described heat supply chamber 31 is relevant with the peripheral flue gas power supplied with the distance between downside.When the power of periphery supply flue gas is higher, then the height between upper side and downside arranges larger; When the power of periphery supply flue gas is lower, then the height between upper side and downside arranges less.Generally speaking, under the effect of the air exhauster 6 of periphery, when the flow of flue gas in whole heat supply chamber is smooth and easy, the height between upper side and downside is the smaller the better.
Sealed steaming vapour generator of the present invention is through test, when the flue-gas temperature produced after described hearth zone 42 combustion is about 1000 DEG C, flue gas is after the heat radiation in heat supply chamber 31, the exhaust temperature recorded from described air exhauster exit is 110 ~ 120 DEG C, and the temperature of the steam produced is 102 ~ 106 DEG C under the state of kettle close to normal pressure.Visible, the operating efficiency of sealed steaming vapour generator of the present invention is high, is a kind of high-efficient steam generator.
The present invention can be applicable to stove equipment field.
It should be noted that, above-mentionedly only to describe the present invention with preferred embodiment, interest field of the present invention can not be limited at this point, therefore when not departing from inventive concept, the equivalence that the content of all utilizations description of the present invention and accompanying drawing part is carried out changes, and all reason is with being included in right of the present invention.

Claims (10)

1. a stacked kettle, comprise a pot body (1), it is characterized in that: the smoke circulating chamber (3) being provided with the room that is filled with water (2) and being surrounded by the described room that is filled with water (2) in described pot body (1), described smoke circulating chamber (3) superposes connection by some layers of heat supply chamber (31) and forms, the upper end of described smoke circulating chamber (3) is provided with gas outlet (33), every layer described, the external upper of heat supply chamber (31) scribbles antifouling coating, stagger in the upper side of each described heat supply chamber (31) and downside and be provided with at least one passage (32), if the described passage (32) of one of them side is positioned at the submarginal position of described heat supply chamber (31), then the described passage (32) of another side be positioned at described heat supply chamber (31) near or be in the position at center, for adjacent two heat supply chambeies (31), be positioned at top heat supply chamber (31) downside on passage (32) be positioned at below heat supply chamber (31) upper side on passage (32) communicate.
2. stacked kettle according to claim 1, it is characterized in that: described in each, heat supply chamber (31) are one-body molded, the periphery being positioned at the passage (32) of described heat supply chamber (31) upper side is provided with sealing platform (323), described sealing platform (323) is provided with seal groove (3231), sealing strip is combined with in described seal groove (3231), be positioned at the upper passage (32) along inserting on heat supply chamber (31) downside being positioned at top of the passage (32) on heat supply chamber (31) upper side of below, and be positioned at top heat supply chamber (31) downside press seal be positioned at below heat supply chamber (31) upper side on sealing platform (323) on, the heat supply chamber (31) being positioned at top is connected by described passage (32) with the heat supply chamber (31) being positioned at below.
3. stacked kettle according to claim 2, it is characterized in that: the outer rim of every layer of described heat supply chamber (31) is provided with several uniform fastening bases (324), described fastening base (324) is provided with through hole (325), between adjacent two-layer heat supply chamber (31), is fixed connection by fitted bolt (326) in the through hole (325) on this two-layer heat supply chamber (31).
4. stacked kettle according to claim 1; it is characterized in that: in the described passage (32) be communicated with between adjacent two-layer heat supply chamber (31), be provided with protective sleeve (34); described protective sleeve (34) is in inverted T shape and be made up of exotic material; the upper end of described protective sleeve (34) is combined with jump ring (35), and described jump ring (35) is clamped on the downside in the heat supply chamber (31) being positioned at top.
5. stacked kettle according to claim 4, it is characterized in that: on adjacent two-layer heat supply chamber (31), the surrounding of each passage (32) on the downside in the heat supply chamber (31) above being positioned at forms the platform I (321) to lower process, and/or be positioned at below heat supply chamber (31) upper side on the surrounding of each passage (32) also form platform II (322) upwardly, the upper side in the described platform I (321) of projection and the heat supply chamber (31) that is positioned at below is superimposed, or the described platform II (322) of projection and the downside in heat supply chamber (31) being positioned at top are superimposed, or the described platform I (321) of projection and the described platform II (322) of projection are superimposed, described platform I (321) and/or described platform II (322) are provided with groove, sealing ring (36) sealing is combined with in described groove.
6. stacked kettle according to claim 1, is characterized in that: in the described room that is filled with water (2), be provided with level control switch for water (9), is communicated with a steam pipe (21) in the upper end of the described room that is filled with water (2).
7. one kind comprises the closed steam generator of stacked kettle as claimed in claim 1, it is characterized in that: described closed steam generator also comprises stove device, this device comprises furnace body (4) and blower fan (5), described blower fan (5) is connected with the air intake district (41) of described furnace body (4) by airduct, described air intake district (41) is also communicated with peripheral fuel gas source, the top of described furnace body (4) is hearth zone (42), described hearth zone (42) is connected with described heat supply chamber (31), the bottom outer-edge of described stacked kettle and the top outer rim close fit of described hearth zone (42).
8. closed steam generator according to claim 7, is characterized in that: described gas outlet (33) top is provided with air exhauster (6), and described air exhauster (6) is connected with peripheral power supply.
9. closed steam generator according to claim 8, it is characterized in that: described closed steam generator also comprises a controller (7), peripheral fuel gas source is connected by pipeline (8) with between described air intake district (41), described pipeline (8) is provided with at least one magnetic valve (81), described pipeline (8) is also provided with pipeline pressure measurement mechanism, described pipeline pressure measurement mechanism includes pressure sensor (11), described magnetic valve (81), described blower fan (5), described air exhauster (6) is all connected with described controller (7) with described pressure sensor (11).
10. closed steam generator according to claim 9, it is characterized in that: on the wall of described hearth zone (42), offer a normally closed port (10), described normally closed port (10) controls opening and closing by a tractor, and described tractor is electrically connected with described controller (7).
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CN101858644A (en) * 2009-04-08 2010-10-13 张际新 White heat vaporization strong convection combustion boiler
CN101936557A (en) * 2010-07-30 2011-01-05 曾文洲 Combined exhaust device of cooker chamber and energy-saving cooking stove
CN103062893A (en) * 2013-01-24 2013-04-24 潍坊鸿德钢结构有限公司 Pulverized coal water heater
CN203549759U (en) * 2013-10-16 2014-04-16 曾文洲 Cascading water boiler and closed steam generator

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2314443A1 (en) * 1975-06-09 1977-01-07 Self Climat Hot water boiler usable with alternative fuels - has separate combustion chambers above and below smoke box leading to water jacket
CN101858644A (en) * 2009-04-08 2010-10-13 张际新 White heat vaporization strong convection combustion boiler
CN101936557A (en) * 2010-07-30 2011-01-05 曾文洲 Combined exhaust device of cooker chamber and energy-saving cooking stove
CN103062893A (en) * 2013-01-24 2013-04-24 潍坊鸿德钢结构有限公司 Pulverized coal water heater
CN203549759U (en) * 2013-10-16 2014-04-16 曾文洲 Cascading water boiler and closed steam generator

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