CN101915457A - Secondary boiler structure of primary-secondary boiler - Google Patents
Secondary boiler structure of primary-secondary boiler Download PDFInfo
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- CN101915457A CN101915457A CN 201010239964 CN201010239964A CN101915457A CN 101915457 A CN101915457 A CN 101915457A CN 201010239964 CN201010239964 CN 201010239964 CN 201010239964 A CN201010239964 A CN 201010239964A CN 101915457 A CN101915457 A CN 101915457A
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Abstract
The invention relates to a secondary boiler structure of a primary-secondary boiler, which comprises a boiler body, a flue inlet, a flue outlet, a waterway inlet and a waterway outlet, wherein the flue inlet is communicated with a central flue in the centre of the boiler body, the waterway inlet is connected with an outer waterway close to an inner wall of the boiler body, the central flue is communicated with the flue outlet through a set of middle flues, and the outer waterway is communicated with the waterway outlet through a set of middle waterways; the central flue, the middle waterways, the middle flues and the outer waterway are arranged in a way that the flues and waterways are arranged alternately, and cross sections thereof are concentric rings; the middle waterways are communicated with one another by waterway connecting pipes, and the outer waterway and the middle waterways are also communicated by the waterway connecting pipes; and the upper part of the boiler body is provided with an upper baffle, and the bottom of the central flue is provided with a lower baffle. The secondary boiler structure of the primary-secondary boiler has the advantages that: the flues and the waterways are arranged alternately, so that the flow speed of water filled in a secondary boiler becomes slow, and the thickness of the water becomes thin; and connected by the waterway connecting pipes, each waterway is instantly combusted by a flame from two sides, so that heat efficiency is greatly improved.
Description
Technical field
The present invention relates to the primary-secondary boiler field, especially a kind of sub-furnace structure of primary-secondary boiler.
Background technology
In primary-secondary boiler, the effect of sub-stove is the preheating water temperature, and flue entrance is connected with the flue outlet of female stove, and the water channel outlet by sub-furnace roof portion adds to female furnace roof body to the good water of preheating; But existing sub-furnace structure, although the temperature that female fire grate is put is very high, to compare still very lowly with the temperature of lower furnace body high-temperature region, the thermal efficiency of sub-stove is lower, if do not take the structural design of science, per hour flow moment of 20 tons promote the water in the sub-stove temperature to 30 degree that be impossible.
Summary of the invention
The present invention will solve the shortcoming of above-mentioned prior art, and a kind of sub-furnace structure that can promote water temperature rapidly, improve the primary-secondary boiler of the thermal efficiency is provided.
The present invention solves the technical scheme that its technical problem adopts: the sub-furnace structure of this primary-secondary boiler, comprise body of heater, flue entrance, flue outlet, water channel inlet and water channel outlet, described flue entrance is connected with the central gas duct at body of heater center, water channel inlet is connected with outer water channel near inboard wall of furnace body, central gas duct is connected with flue outlet by one group of middle flue, and outer water channel is connected with the water channel outlet by one group of internal water main; Central gas duct, internal water main, middle flue and outer water channel are spaced setting by one deck flue one deck water channel, and it is concentric circular that the cross section is; Be interconnected by the water channel tube connector between the internal water main and between outer water channel and internal water main, form from bottom to top, again the channel structure that circulates successively from top to bottom; Upper of furnace body is provided with overhead gage, and the bottom of central gas duct is provided with lower baffle plate, forms from top to bottom, the flue structure that circulates successively from bottom to top again.
As preferably, described flue entrance and water channel outlet are arranged on upper of furnace body, and flue outlet and water channel inlet are arranged on the body of heater bottom, and internal water main and middle flue are that two interlayers are every arrangement architecture; Outer water channel is connected with the ground floor water channel by the first water channel tube connector of upper of furnace body, and the ground floor water channel is connected with second layer water channel by the body of heater bottom second water channel tube connector; Second layer water channel is connected with the water channel outlet of upper of furnace body, forms channel structure; Central gas duct is connected with flue outlet by ground floor flue, second layer flue.
As preferably, the wall thickness in described outer water channel, ground floor water channel and second layer water channel cross section is the 1.5-5 centimetre.
As preferably, described body of heater is made up of upper furnace body and furnace bottom, fixedlys connected by screw between upper furnace body and furnace bottom.
The effect that the present invention is useful is: the structural design of taking science, flue and water channel are provided with at interval, the cross section is concentric structure, the thickness of water channel is at 1.5 to 5 centimeters, make the water that adds sub-stove, water velocity is slack-off, the thickness attenuation of water, connect by the water channel tube connector, make circulating combustion from the inside to surface between each water channel, circulating combustion from outside to inside, every layer of water channel moment is subjected to the pyrotechnics burning of attacking from both sides, improve the thermal efficiency greatly, per hour realized that flow moment of 20 tons promotes temperature to 30 degree of water in the sub-stove.
Description of drawings
Fig. 1 is a main TV structure schematic diagram 1 of the present invention;
Fig. 2 is a three-dimensional sectional structure schematic diagram 1 of the present invention;
Fig. 3 is a main TV structure schematic diagram 2 of the present invention;
Fig. 4 is a three-dimensional sectional structure schematic diagram 2 of the present invention;
Fig. 5 is a three-dimensional broken section structural representation of the present invention;
Fig. 6 is the three-dimensional partial structurtes schematic diagram of bottom of furnace body of the present invention;
Fig. 7 is an external structure schematic diagram of the present invention.
Reference numeral: body of heater 1, upper furnace body 1-1, furnace bottom 1-2, flue entrance 2, flue outlet 3, lower baffle plate 4, the first water channel tube connector 5, water channel inlet 6, water channel outlet 7, overhead gage 8, the second water channel tube connectors 9, outer water channel 10, ground floor water channel 11, second layer water channel 12, central gas duct 13, ground floor flue 14, second layer flue 15.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in the figure, the sub-furnace structure of this primary-secondary boiler, comprise body of heater 1, flue entrance 2, flue outlet 3, water channel inlet 6 and water channel outlet 7, body of heater 1 can be made of one, also can be as shown in Figure 7, body of heater 1 is made up of upper furnace body 1-1 and furnace bottom 1-2, fixedlys connected by screw between upper furnace body 1-1 and furnace bottom 1-2, plays the maintenance of clean-up effect.Described flue entrance 2 and water channel outlet 7 are arranged on body of heater 1 top, and flue outlet 3 and water channel inlet 6 are arranged on body of heater 1 bottom; Flue entrance 2 is connected with the flue of female stove, and flue outlet 3 links to each other with heat dump, if there is not heat dump, directly is connected with air-introduced machine; Water channel inlet 6 is connected with female stove water channel.
Described flue entrance 2 is connected with the central gas duct 13 at body of heater 1 center, and water channel inlet 6 is connected with outer water channel 10 near body of heater 1 inwall.Central gas duct 13, internal water main, middle flue and outer water channel 10 are spaced setting by one deck flue one deck water channel, and it is concentric circular that the cross section is; Internal water main and middle flue are two interlayers every arrangement architecture (in the middle of the body of heater must be flue, and the body of heater outermost layer must be a water channel, and the centre can be arranged to multilayer water channel flues such as 3 layers, 4 layers as required and be spaced structure); Outer water channel 10 is connected with ground floor water channel 11 by the first water channel tube connector 5 on body of heater 1 top, and ground floor water channel 11 is connected with second layer water channel 12 by the body of heater 1 bottom second water channel tube connector 9; The water channel outlet 7 on second layer water channel 12 and body of heater 1 top is connected, form from bottom to top, from top to bottom, the channel structure (the water channel flow direction as shown in Figure 4) of circulation successively from bottom to top again; Body of heater 1 top is provided with overhead gage 8, the bottom of central gas duct 13 is provided with lower baffle plate 4, central gas duct 13 is connected with flue outlet 3 by ground floor flue 14, second layer flue 15, form from top to bottom, from bottom to top, the flue structure (the flue flow direction as shown in Figure 2) that circulates successively from top to bottom again.
The wall thickness in described outer water channel 10, ground floor water channel 11 and second layer water channel 12 cross sections is the 1.5-5 centimetre, make the water that adds sub-stove, water velocity is slack-off, the thickness attenuation of water, outer water channel 10, ground floor water channel 11 and second layer water channel 12 circulating combustion from the inside to surface, circulating combustion from outside to inside, ground floor water channel 11 and 12 moments of second layer water channel are subjected to the pyrotechnics burning of attacking from both sides, and improve the thermal efficiency greatly.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (4)
1. the sub-furnace structure of a primary-secondary boiler, comprise body of heater (1), flue entrance (2), flue outlet (3), water channel inlet (6) and water channel outlet (7), it is characterized in that: described flue entrance (2) is connected with the central gas duct (13) at body of heater (1) center, water channel inlet (6) is connected with outer water channel (10) near body of heater (1) inwall, central gas duct (13) is connected with flue outlet (3) by one group of middle flue, and outer water channel (10) is connected by one group of internal water main and water channel outlet (7); Central gas duct (13), internal water main, middle flue and outer water channel (10) are spaced setting by one deck flue one deck water channel, and it is concentric circular that the cross section is; Be interconnected by the water channel tube connector between the internal water main and between outer water channel (10) and internal water main, form from bottom to top, again the channel structure that circulates successively from top to bottom; Body of heater (1) top is provided with overhead gage (8), and the bottom of central gas duct (13) is provided with lower baffle plate (4), forms from top to bottom, the flue structure that circulates successively from bottom to top again.
2. the sub-furnace structure of primary-secondary boiler according to claim 1, it is characterized in that: described flue entrance (2) and water channel outlet (7) are arranged on body of heater (1) top, flue outlet (3) and water channel inlet (6) are arranged on body of heater (1) bottom, and internal water main and middle flue are that two interlayers are every arrangement architecture; Outer water channel (10) is connected with ground floor water channel (11) by the first water channel tube connector (5) on body of heater (1) top, and ground floor water channel (11) is connected with second layer water channel (12) by body of heater (1) the bottom second water channel tube connector (9); Second layer water channel (12) is connected with the water channel outlet (7) on body of heater (1) top, forms channel structure; Central gas duct (13) is connected with flue outlet (3) by ground floor flue (14), second layer flue (15).
3. the sub-furnace structure of primary-secondary boiler according to claim 2, it is characterized in that: the wall thickness in described outer water channel (10), ground floor water channel (11) and second layer water channel (12) cross section is the 1.5-5 centimetre.
4. the sub-furnace structure of primary-secondary boiler according to claim 1, it is characterized in that: described body of heater (1) is made up of upper furnace body (1-1) and furnace bottom (1-2), fixedlys connected by screw between upper furnace body (1-1) and furnace bottom (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010239964 CN101915457A (en) | 2010-07-26 | 2010-07-26 | Secondary boiler structure of primary-secondary boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010239964 CN101915457A (en) | 2010-07-26 | 2010-07-26 | Secondary boiler structure of primary-secondary boiler |
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| CN101915457A true CN101915457A (en) | 2010-12-15 |
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| CN 201010239964 Pending CN101915457A (en) | 2010-07-26 | 2010-07-26 | Secondary boiler structure of primary-secondary boiler |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2567469Y (en) * | 2002-01-15 | 2003-08-20 | 肖哲琴 | Two-used multi-hole coal-saving boiler |
| CN2833348Y (en) * | 2005-08-23 | 2006-11-01 | 范祥银 | Energy-saving environment-friendly automatic normal pressure boiler |
| CN2851959Y (en) * | 2005-10-11 | 2006-12-27 | 韦秀吉 | Combined high-efficiency water boiler with convolute plates for heat exchange |
| WO2008010242A1 (en) * | 2006-07-18 | 2008-01-24 | Easy International S.R.L. | Device for pollution reduction and relative method for fume treatment |
| CN201126253Y (en) * | 2007-11-01 | 2008-10-01 | 张国银 | Double circulation interleaving type atmospheric hot-water boiler |
| US20090199845A1 (en) * | 2007-10-02 | 2009-08-13 | Olympia Chimney Supply | Folding Flue |
-
2010
- 2010-07-26 CN CN 201010239964 patent/CN101915457A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2567469Y (en) * | 2002-01-15 | 2003-08-20 | 肖哲琴 | Two-used multi-hole coal-saving boiler |
| CN2833348Y (en) * | 2005-08-23 | 2006-11-01 | 范祥银 | Energy-saving environment-friendly automatic normal pressure boiler |
| CN2851959Y (en) * | 2005-10-11 | 2006-12-27 | 韦秀吉 | Combined high-efficiency water boiler with convolute plates for heat exchange |
| WO2008010242A1 (en) * | 2006-07-18 | 2008-01-24 | Easy International S.R.L. | Device for pollution reduction and relative method for fume treatment |
| US20090199845A1 (en) * | 2007-10-02 | 2009-08-13 | Olympia Chimney Supply | Folding Flue |
| CN201126253Y (en) * | 2007-11-01 | 2008-10-01 | 张国银 | Double circulation interleaving type atmospheric hot-water boiler |
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Application publication date: 20101215 |