CN101280954B - High cold ambient pressure water boiler - Google Patents
High cold ambient pressure water boiler Download PDFInfo
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- CN101280954B CN101280954B CN2007101517585A CN200710151758A CN101280954B CN 101280954 B CN101280954 B CN 101280954B CN 2007101517585 A CN2007101517585 A CN 2007101517585A CN 200710151758 A CN200710151758 A CN 200710151758A CN 101280954 B CN101280954 B CN 101280954B
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- combustion
- coal
- heater
- ambient pressure
- pressure water
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Abstract
The invention discloses an ambient pressure water boiler for paramos, comprising: a furnace body (1), a furnace door (7), a recirculated water sleeve (80), a smoke canal (90), the stove has at least four spacing plates arranged inside body, which separate the furnace body into at least five combustion sections; wherein the spacing plate (3) and the spacing plate (5) are on bottom for separating the bottom, the upper part is open space; the spacing plate (4), the spacing plate (6) are at top for separating the top, the lower part is open space; the combustion sections separately are a fire coalsection (30), a large particle fire coal section (40), small particle combustion section (50), a flue gas combustion section (60), a coal saving device heating section (70).the invention employs manya time combustion to gain sufficient combustion of fire coal and discharge is more environment protective.
Description
Technical field
The present invention relates to a kind of hot-water boiler, particularly a kind of employing is divided into the high cold ambient pressure water boiler that multizone burns.
Background technology
Along with the fast development of economic construction, the people's living standard is steadily improving, and people constantly increase the demand of the energy.The speed of economic development rapid development is the level of utilizing based on the growth rate of the energy and the energy.Formation and reserves for conventional energy resource, be since millions upon millions of years, through very long accumulation and differentiation, just provide real genus the pitiful limited energy of this point point for us, under we several generations' consumption and waste, be about in the not long time, also can become ruins, wherein hot-water boiler mainly is used in North China, northeast and the Northwest, account for more than 93% of total amount, the present boiler of China is a main fuel with the raw coal without washing still, and the boiler major part is traditional structure, and this must cause some problems: mainly show:
(1) low, the coal consumption cauldron of boiler thermal output is main fuel with the coal, evenly heat efficient about 60%, and than low 15-20 percentage point of developed country, cause the low main cause of boiler thermal output: raw coal is low in grate furnace internal combustion efficient; Burning is organized bad; It is improper that furnace heating surface is arranged; Heat-transfer effect is poor; The convection heating surface utilization rate is low, the exhaust gas temperature height; Ature of coal is changeable, not by the design operating fuel.
(2) smoke abatement device imperfection causes most of boiler chimney discharging black smokes, and oke exhaust blackness, dust concentration and S0 concentration of emission seriously surpass national environmental standard.Burn natural gas energy safe operation afterwards for guaranteeing that existing coal-burning boiler changes, must carry out necessary transformation boiler body, combustion system.
Because normal-pressure boiler is suitable for characteristics such as coal is wide, coal consumption is low, be widely used.Be that present coal gas technological process is the simplest, equipment and construction investment is minimum, Operation and Maintenance environmental protection equipment the most simply and easily, be the energy-efficient green product that all kinds boiler of direct combustion coal updates.
And the subject matter that exists at present is, how to improve the abundant burning of coal, and coal is fully burned, and just can improve environment protecting.
Summary of the invention
The objective of the invention is to,, adopt repeated combustion,, make it discharge environmental protection more so that fire coal is fully burned by a kind of high cold ambient pressure water boiler is provided.
The present invention adopts following technological means to realize: a kind of high cold ambient pressure water boiler includes: body of heater (1), fire door (7), cyclic water jacket (80), flue (90); Wherein: be provided with at least four dividing plates in the described body of heater, body of heater is isolated into five combustion zones at least; Wherein first dividing plate (3) and second partition (5) were put the end of for, and the bottom is isolated, and top is open space; The 3rd dividing plate (4), the 4th dividing plate (6) are overhead, and the top is isolated, and the bottom is an open space; Described combustion zone is respectively: coal-fired district (30) is to carry out large-area primary combustion to coarse coal, the coal-fired district of bulky grain thing (40) is to carry out the burning second time to the large-scale particulate coal of carrying out forming after the large-area primary combustion through described coal-fired district, burn once more with the small-sized particle that described large-scale particulate coal burning back is formed in small-sized particle combustion zone (50), smoke combustion district (60) is that a large amount of flue gases that will produce behind the described small-sized particle burning burn again, the economizer thermal treatment zone (70) is that remaining flue gas carried out last abundant burning after described flue gas was burnt, and makes its gas fume after burning discharging meet environmental protection requirement; Also be provided with atmospheric communicating pipe (18) in upper of furnace body, combustion-supporting oxygen is provided in body of heater.
Aforesaid cyclic water jacket (80) is arranged on both sides in the body of heater, and several water pipes of upside connect in the body of heater by being arranged between both sides cyclic water jacket (80).Described water pipe can be straight tube, also can be bending.
Aforesaid flue (90) is connected with the exhaust opening of the described economizer thermal treatment zone (70).
Also be provided with safety valve (8), Pressure gauge (10), thermometer (11) on the aforesaid body of heater (1).
Be respectively equipped with the removing dust and clearing ash door between aforesaid bulky grain thing combustion zone (40) and the described small-sized particle combustion zone (50) and between the described smoke combustion district (60) and the described economizer thermal treatment zone (70).
The present invention compared with prior art has following remarkable advantages and beneficial effect:
A kind of high cold ambient pressure water boiler of the present invention, owing to be provided with coal-fired district (30), the coal-fired district of bulky grain thing (40), small-sized particle combustion zone (50), smoke combustion district (60), a plurality of combustion zones, the economizer thermal treatment zone (70), be provided with many places ability of swimming dedusting area, economizer simultaneously, therefore, make coal in body of heater, obtain sufficient burning, the low pollution of discharging, smokeless substantially, reached environmental requirement, exhaust gas temperature 80-100 ℃, because rational in infrastructure, long service life need not be keeped in repair within 5 years.
Description of drawings
Fig. 1 is the schematic perspective view of normal-pressure hot-water boiler of the present invention;
Fig. 2 is the generalized section () of high cold ambient pressure water boiler;
Fig. 3 is the generalized section (two) of high cold ambient pressure water boiler;
The specific embodiment
Below in conjunction with accompanying drawing specific embodiments of the invention are illustrated:
See also shown in Figure 1ly, be the schematic perspective view of normal-pressure hot-water boiler of the present invention; As can be seen from the figure, being provided with four dividing plates in the normal-pressure hot-water boiler 1, is respectively first dividing plate 3, the 3rd dividing plate 4, second partition 5, the 4th dividing plate 6; Wherein first dividing plate 3 and second partition 5 were put the end of for, and the bottom is isolated, and top is open space; The 3rd dividing plate 4, the 4th dividing plate 6 are overhead, and the top is isolated, and the bottom is an open space.
See also shown in Figure 2, between first dividing plate 3 that put at the end and the close fire door 7 is first combustion zone 30, promptly coal-fired district, combustion zone 30 mainly is that coarse coal is carried out large-area primary combustion, form second combustion zone 40 between first dividing plate 3 that put at the end and the 3rd dividing plate 4 of overhead, be large-scale particle burning district, the burning second time is mainly carried out to the large-scale particulate coal of carrying out forming after the large-area primary combustion through coal-fired district in this combustion zone 40; Put and has formed the 3rd combustion zone 50 between the second partition 5 at overhead the 3rd dividing plate 4 and the end, burns once more to the small-sized particle that large-scale particulate coal burning back forms in promptly small-sized particle burning district, this combustion zone.Put and form the 4th combustion zone 60, i.e. smoke combustion district between second partition 5 and overhead the 4th dividing plate 6 at the end; This combustion zone mainly is that a large amount of flue gases that will produce behind the small-sized particle burning burn again.Form the 5th combustion zone 70, i.e. the economizer thermal treatment zone between overhead the 4th dividing plate 6 and the smokejack 90; The main effect of this combustion zone is that remaining flue gas carried out last abundant burning after flue gas was burnt, make its gas fume after burning discharging meet environmental protection requirement, the temperature that makes its flue 90 outlets has simultaneously guaranteed that most temperature are fully utilized about 50 degree are spent to 60.
See also shown in Figure 1ly, 7 is fire door, and 21 and 22 is shoot door, and 23 and 24 is the deduster shoot door, and 25 is water inlet, and 26 is sewage draining exit, and 12 is delivery port.Consider detection and safety in the boiler operatiopn, also be provided with safety valve 8, Pressure gauge 10 and thermometer 11 in order to guarantee to provide combustion-supporting oxygen in body of heater, also are provided with atmospheric communicating pipe 18 in upper of furnace body.
See also Fig. 1, Fig. 2 and shown in Figure 3,9 for being arranged on the water pipe in the body of heater, this water pipe connects the water jacket 80 that is arranged on the body of heater both sides, the quantity of water pipe does not have certain restriction, and its quantity is provided with according to the volume in the body of heater, and the shape of its water pipe also can be provided with as required, can think straight tube-like, also can be bending, can be transversely arranged, also can be staggered.
Above-mentioned shoot door 23 solves the cleaning of second combustion zone 40 and the 3rd combustion zone, and shoot door 24 solves the cleaning of the 4th combustion zone and the 5th combustion zone.
It should be noted that at last: above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this specification has been described in detail the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. a high cold ambient pressure water boiler includes: body of heater (1), fire door (7), cyclic water jacket (80), flue (90); It is characterized in that: be provided with at least four dividing plates in the described body of heater, body of heater is isolated into five combustion zones at least; Wherein first dividing plate (3) and second partition (5) were put the end of for, and the bottom is isolated, and top is open space; The 3rd dividing plate (4), the 4th dividing plate (6) are overhead, and the top is isolated, and the bottom is an open space;
Described combustion zone is respectively: coal-fired district (30) is to carry out large-area primary combustion to coarse coal, the coal-fired district of bulky grain thing (40) is to carry out the burning second time to the large-scale particulate coal of carrying out forming after the large-area primary combustion through described coal-fired district, burn once more with the small-sized particle that described large-scale particulate coal burning back is formed in small-sized particle combustion zone (50), smoke combustion district (60) is that a large amount of flue gases that will produce behind the described small-sized particle burning burn again, the economizer thermal treatment zone (70) is that remaining flue gas carried out last abundant burning after described flue gas was burnt, and makes its gas fume after burning discharging meet environmental protection requirement;
Also be provided with atmospheric communicating pipe (18) in upper of furnace body, combustion-supporting oxygen is provided in body of heater.
2. high cold ambient pressure water boiler according to claim 1 is characterized in that: described cyclic water jacket (80) is arranged on both sides in the body of heater, and several water pipes of upside connect in the body of heater by being arranged between both sides cyclic water jacket (80).
3. high cold ambient pressure water boiler according to claim 2 is characterized in that: described water pipe can be straight tube, also can be bending.
4. high cold ambient pressure water boiler according to claim 1 is characterized in that: described flue (90) is connected with the exhaust opening of the described economizer thermal treatment zone (70).
5. high cold ambient pressure water boiler according to claim 1 is characterized in that: also be provided with safety valve (8), Pressure gauge (10), thermometer (11) on described body of heater (1).
6. high cold ambient pressure water boiler according to claim 1 is characterized in that: be respectively equipped with the removing dust and clearing ash door between described bulky grain thing combustion zone (40) and the described small-sized particle combustion zone (50) and between the described smoke combustion district (60) and the described economizer thermal treatment zone (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101517585A CN101280954B (en) | 2007-09-29 | 2007-09-29 | High cold ambient pressure water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101517585A CN101280954B (en) | 2007-09-29 | 2007-09-29 | High cold ambient pressure water boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101280954A CN101280954A (en) | 2008-10-08 |
| CN101280954B true CN101280954B (en) | 2010-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101517585A Expired - Fee Related CN101280954B (en) | 2007-09-29 | 2007-09-29 | High cold ambient pressure water boiler |
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| Country | Link |
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| CN (1) | CN101280954B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351916A (en) * | 2015-12-11 | 2016-02-24 | 胡金柱 | Coal burning boiler with repeated combustion mode |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088667U (en) * | 1990-12-08 | 1991-11-13 | 刘国强 | High-efficiency energy-saving series common pressure water heating boiler |
| CN2453324Y (en) * | 2000-11-30 | 2001-10-10 | 穆伯儒 | High efficiency energy-saving stove |
| CN2498539Y (en) * | 2001-08-20 | 2002-07-03 | 孙立 | environmental protection energy-saving boiler |
| CN1757985A (en) * | 2005-10-28 | 2006-04-12 | 孙立 | Environmental protection energy-saving boiler |
| CN2791540Y (en) * | 2005-03-18 | 2006-06-28 | 王广义 | Efficient energy-saving normal pressure not water boiler |
| CN2876616Y (en) * | 2005-12-31 | 2007-03-07 | 臧国谊 | Efficient energy-saving atmospheric water heating boiler |
-
2007
- 2007-09-29 CN CN2007101517585A patent/CN101280954B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088667U (en) * | 1990-12-08 | 1991-11-13 | 刘国强 | High-efficiency energy-saving series common pressure water heating boiler |
| CN2453324Y (en) * | 2000-11-30 | 2001-10-10 | 穆伯儒 | High efficiency energy-saving stove |
| CN2498539Y (en) * | 2001-08-20 | 2002-07-03 | 孙立 | environmental protection energy-saving boiler |
| CN2791540Y (en) * | 2005-03-18 | 2006-06-28 | 王广义 | Efficient energy-saving normal pressure not water boiler |
| CN1757985A (en) * | 2005-10-28 | 2006-04-12 | 孙立 | Environmental protection energy-saving boiler |
| CN2876616Y (en) * | 2005-12-31 | 2007-03-07 | 臧国谊 | Efficient energy-saving atmospheric water heating boiler |
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| Publication number | Publication date |
|---|---|
| CN101280954A (en) | 2008-10-08 |
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