CN103292469A - Energy conservation and emission reduction device for water warming boiler and steam heat exchange boiler - Google Patents
Energy conservation and emission reduction device for water warming boiler and steam heat exchange boiler Download PDFInfo
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- CN103292469A CN103292469A CN2011101995136A CN201110199513A CN103292469A CN 103292469 A CN103292469 A CN 103292469A CN 2011101995136 A CN2011101995136 A CN 2011101995136A CN 201110199513 A CN201110199513 A CN 201110199513A CN 103292469 A CN103292469 A CN 103292469A
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Abstract
The invention relates to an energy conservation and emission reduction device for a water warming boiler and a steam heat exchange boiler. The energy conservation and emission reduction device is independently characterized in that external circulation of the boiler and a parallel connection method of an energy conservation device and the boiler are adopted; and the energy conservation and emission reduction device is dependently characterized in a heating surface area of a high temperature area of a boiler furnace is added, and flames impinge a heating surface directly, so that an actual heat change effect of the energy conservation device is improved by 10 times, and the boiler output capacity is improved greatly; and a passive energy conservation manner is changed into an active energy conservation manner, so that the energy conservation device has the advantages that flying ash in the boiler can be effectively prevented from flying out and can be combusted secondarily, the carbon content can be reduced, and at the same time, a large number of sulfur dioxide and dust can be effectively prevented from being emitted. Many years' use proves that the energy conservation device can have a safe and reliable protection effect on the original heating surface. Six years' actual use proves that the energy conservation and emission reduction effects of the boiler are remarkable, and 10% of fuel can be saved to the minimum each year. The energy conservation device passes energy conservation tests of the National special equipment inspection institute, energy conservation tests of the assembled or disassembled energy conservation device show that the energy conservation effect is basically matched with an actual energy conservation effect; and at the same time, the energy conservation device is widely accepted by boiler experts, and a new energy conservation and emission reduction technical field of the boiler is developed.
Description
Affiliated technical field:
The present invention relates to the energy-saving emission-reducing apparatus of a kind of Lukewarm water boiler, steam heat-exchanging boiler.Belong to the boiler energy-saving emission-reduction technical field.
Existing background technology:
Country classifies as first of the ten big energy-saving field the energy-conserving and emission-cutting technology transformation of boiler.And people drop on the sight of boiler energy-saving emission-reduction technological transformation how to utilize on the boiler afterheat usually.
' pot ' is the high-pressure bottle of splendid attire water, and ' stove ' is the place of fuel combustion.The kind model of boiler is various, varies in size, and is different.The pipe of all contact ingle heats is referred to as heating surface area in the boiler.What of heating surface area are the size of boiler output depend on, and the residing position of heating surface.How many boiler design teacher, all want in the indoor increase heating surface area as much as possible of boiler combustion, but basic reasons that can't realize all, be since boiler from design, produce, all be to carry out under the strict declaration, examination, monitor program in safety supervision department to using.In the design link, be limit by the steric requirements of " pot ".Use link at boiler, without the permission of safety supervision department, anyone must not change boiler design structure and flow parameter.Here it is in this field, the basic reason that present technique at home and abroad be nobody shows any interest in.
And the invention of ' a kind of Lukewarm water boiler, steam heat-exchanging energy-saving device of boiler ', the just boiler body outer circulation method of attachment by taking energy saver and boiler to be connected in parallel has successfully realized at boiler furnace high-temperature region increase heating surface.Efficiently solve in the combustion chamber and can't increase this international difficult problem of heating surface area.The fourth professor of Harbin Institute of Technology and old professor estimate like this to present technique: " this technology is actual to be exactly the difference of flame impingement heating surface and sweep of gases heating surface.The flame impingement heating surface is tens of times of sweep of gases heating surface heat exchange effect "." we have done boiler a lifetime, and this paper allows a workman broken.It is very amazing to expect increasing heating surface in this way as a workman ".In fact this technology has obtained the boiler expert, Bureau of Technical Supervision and numerous insiders' extensive approval.
Because independent claims of the present invention, what relate to is the boiler energy-saving emission-reduction technical method, the structure of dependent claims, shape are different because boiler classification, model, furnace cavity vary in size, thereby the geomery of energy saver, installation site are all different.Can only be according to the indoor actual conditions of boiler classification, model and boiler combustion design diverse location in the use, different tube bank quantity, different physical dimension.Only exemplify 3 embodiment of energy saver below.Fig. 1 is the horizontal layout schematic diagram of installation method, and Fig. 2, Fig. 3, Fig. 4 are three embodiment.
Summary of the invention:
Independent claims of the present invention are: take the method for attachment of the boiler body outer circulation that energy saver and boiler be connected in parallel.Dependent claims is: increase heating surface area in the boiler furnace high-temperature region.Energy saver (9) is installed in burner hearth exactly.Namely by original 1 stove, 1 pot becomes 1 stove, 2 or 3 pots.Concrete grammar is with the outlet pipe of energy saver (9) (5), water inlet pipe (3), is parallel-connected to the water outlet pipeline (10) of outside networks of heat supply, the return piping (11) last (Fig. 1 is seen in method of attachment) of outside networks of heat supply with boiler nearby.The header of energy saver is divided into longitudinal and pressure-bearing type by structure.It is exposed built-in with header to be designed to header by installation method.The water inlet pipe and water outlet pipe of energy saver can be taked the design of Z-shaped design or P shape and complete safety attachment is installed.(water inlet pipe and water outlet pipe is the design of P type in the same side, both sides are the design of Z type).The installation quantity of installation site, tube bank is determined flexibly according to boiler classification, model, furnace cavity and result of use.As embodiment 2, example 3, example 4.Principle is structure and the flow parameter that does not change boiler.Energy saver and boiler circulatory system are unrelated, independent operating, and the high-temperature-hot-water of generation is incorporated the heat supply circulatory system into by forced circulation.Namely improved boiler output, guaranteed that again the assignment of traffic parameter of boiler can not change.
Useful technique effect of the present invention:
Energy saver is through Qiqihar sunlight heating power group, peace heat supply company, middle letter heat supply company, Dalian folk music heat supply company, ground central heating in 5 years such as Zhenlai, Jilin promoting the use of among a small circle, the different model boiler, under relative the same terms, every square metre of 5 kilograms to 10 kilograms fire coals that descend of heat supply construction area unit cost.The average year coal consumption can save 10%.Reduce 10% if the coal consumption in the whole nation is annual, just can be the descendants and stay several mines.The saving energy test of the province special inspection institute that energy-saving effect is authorized through national technical supervision general bureau, the new boiler that energy saver is installed can improve that boiler is actual exerts oneself about 18%, use at old boiler and can improve boiler BTHE 30%.Substantially conform to actual energy-saving effect.Energy-saving effect has obtained fully effectively confirming.
Another benefit is that energy saver can effectively stop flying out of the interior flying dust of stove, but the phosphorus content second-time burning in the flying dust.A large amount of dischargings that reduce dust.The application of present technique has not only realized efficient energy-saving and emission-reducing, and can play a protective role the service life of prolonged boiler and boiler accessory machinery to heating surfaces such as former drum, water-cooling wall, convection banks.Reasonable in design, simple in structure, easy to maintenance, cheap, the investment benefit that takes effect then then.Through the use incomplete statistics in 6 years, saved coal-fired 30 surplus ten thousand tons, realize sulfur dioxide reduce discharging 70 surplus ten thousand tons.
Description of drawings:
Fig. 1 is the horizontal layout schematic diagram that energy saver, boiler are connected with outside networks of heat supply outlet pipe, outside networks of heat supply water inlet pipe
Number in the figure: 3, water inlet pipe 5, outlet pipe 8, boiler 9, energy saver 10, outside networks of heat supply outlet pipe 11, outside networks of heat supply return pipe
Fig. 2 is the schematic perspective view of embodiment 1 header longitudinal
Number in the figure: 1, lower collecting box 2, blow-off pipe 3, water inlet pipe 4, vertical header 5, outlet pipe 6, boiler comb
Fig. 3 is embodiment 2 header pressure-bearing type front views
Number in the figure: 1, lower collecting box 2, blow-off pipe 3, water inlet pipe 5, outlet pipe 6, boiler comb 7, upper header/upper collecting chamber 12, Pressure gauge 13, safety valve 14, thermometer.
Fig. 4 is embodiment 3 header pressure-bearing types abnormity combination of side view
Number in the figure: 1,1 ' lower collecting box 2,2 ' blowoff valve 6,6 ' boiler comb 7,7 ' upper header 12, Pressure gauge 13, safety valve 14, thermometer
A group, B group are the combined type sign among the figure.
The specific embodiment:
See also Fig. 2, energy saver (9) is by lower collecting box (1), blow-off pipe (2), water inlet pipe (3), vertical header (4), outlet pipe (5), boiler comb (6), upper header formations such as (7).Water inlet pipe (3) is welded on the right-hand member of lower collecting box (1), welding equidistant boiler comb (6) between two vertical headers (4), and vertical header (4) can divide several sections.Make water single cycle in boiler comb (6), last row's boiler comb (6) left end connects header (7), the upper end of upper header (7) picks out water pipe (5), and the hot water of energy saver is incorporated the big caliber place of outside networks of heat supply outlet pipe (10) and outside networks of heat supply return pipe (11) into by forced circulation.
Embodiment 2: be the header pressure-bearing type
See also Fig. 3, energy saver (9) is by lower collecting box (1), blow-off pipe (2), and water inlet pipe (3), outlet pipe (5), boiler comb (6), upper header (7) is formed.Upper header (7) is parallel isometric with lower collecting box (1), between be welded with several boiler combs (6).Cauldron adopts row, row welding.Water inlet pipe (3) is welded on the side of lower collecting box (1).Blow-off pipe (2) is welded on lower collecting box (1) bottom, and outlet pipe (5) is welded on above the upper header (7).Pressure gauge (12) safety is cut down (13) thermometer (14) and is installed in respectively above the upper header (7).The outlet pipe (5) of energy saver (9) adds the side that gate valve is welded on outside networks of heat supply outlet pipe (10), and the water inlet pipe of energy saver (9) adds the side that gate valve is welded on outside networks of heat supply return pipe (11).
Claims (7)
- The energy-saving emission-reducing apparatus of a kind of Lukewarm water boiler, steam heat-exchanging boiler comprises boiler (8), outside networks of heat supply outlet pipe (10), outside networks of heat supply return pipe (11); Claim is as follows:1. independent claims are: take the boiler body outer circulation, the method that energy saver and boiler are connected in parallel.Dependent claims is: the high-temperature region in the combustion chamber increases heating surface area.Namely increase energy saver (9).The outlet pipe (5) of energy saver (9) is connected with outside networks of heat supply outlet pipe (10); The water inlet pipe (3) of energy saver (9) is connected with outside networks of heat supply return pipe (11).The P type connects design or Z type connection design all can.Horizontal layout schematic diagram 1 is seen in method of attachment.According to said method connect, can not influence the assignment of traffic parameter of boiler.
- 2. energy saver (9) position of installing and the tube bank quantity (6) of installing is determined according to size and the practical effect of the classification of boiler, model, furnace cavity.Principle is not change the original project organization of boiler.Energy saver (9) is divided into header longitudinal and header pressure-bearing type according to structure, and it is built-in or header is exposed that installation method can be designed to header.
- 3. embodiment 1: according to claim 1,2 described a kind of Lukewarm water boilers, the energy-saving emission-reducing apparatus of steam heat-exchanging boiler, the header longitudinal, it is characterized in that: water inlet pipe (3) is welded together with lower collecting box (1), blow-off pipe (2) is welded in the lower end of lower collecting box (1), a vertical header (4) lower end is welded on top, lower collecting box the right, boiler comb (6) parallel equidistant is from being welded between two vertical headers (4), boiler comb (6) is parallel with lower collecting box, and in one plane, topmost one section boiler comb (6) left end is welded on the upper header (7), and upper header (7) upper end is welded with outlet pipe (5).Built-in safety attachment is located at the outlet pipe upper end.
- 4. embodiment 2: according to the energy saver of claim 1,2 described a kind of Lukewarm water boilers, steam heat-exchanging boiler, the header pressure-bearing type is characterized in that: lower collecting box (1) is parallel isometric with upper header (7), is welded with several boiler combs (6) between.Big model boiler is installed the quantity of boiler comb more for a long time, can be by arranging welding.At lower collecting box (1) one or both ends welding water inlet pipe (3).Outlet pipe (5) is welded on centre or an end of upper header (7).Blow-off pipe (2) is welded on the lower end of lower collecting box (1).See Fig. 3
- 5. embodiment 3: according to claim 1,2 described a kind of Lukewarm water boilers, steam heat-exchanging energy-saving device of boiler, the header pressure-bearing type, it is characterized in that: lower collecting box (1) is parallel isometric with upper header (7), becomes the U font to lengthen design by flame one side first comb and sees Fig. 4-A group.Length of tube determines according to the furnace cavity size.It approximately is a times of other tube bank.The design of inlet tube and outlet tube P type or the design of Z type all can.Blow-off pipe (2) is welded on the lower end of lower collecting box (1).Two groups can be connected in series, and also can be connected in parallel.Water inlet pipe when being connected in series (3) connects the water inlet pipe of A group, and the outlet pipe of A group connects the water inlet pipe of B group, and the outlet pipe of B group connects outside networks of heat supply outlet pipe (10) and sees Fig. 4
- 6. embodiment 1,2,3 all may be used on the steam heat-exchanging boiler.Method of attachment, connecting portion are identical with it.
- 7. the technical scheme of telling according to claim 1,2 can be transformed steam boiler.Method is 1, outside the body of heater of upper boiler both sides, portion increases down-comer on the lower side, this down-comer is connected to the both sides water inlet of energy saver next part case.2, on the upper collecting chamber of energy saver, in burner hearth, establish the bottom side that several distributing pipes are connected to steam pot, if there is not the position in the stove, can be located at the body of heater outside and establishes the tedge connection.Tedge and down-comer form loop.Guarantee that energy saver comprises distributing pipe, all the time at full water state.Also can accelerate the speed raising evaporation capacity that steam produces.This scheme just is the boiler factory, reaches boiler applying unit proposition boiler improvement scheme that according to the technical program possibility of success is very big.If success of the test, all boilers all can carry out the energy-conserving and emission-cutting technology transformation.Comprise boiler of power plant.Target for energy-saving and emission-reduction can be realized fully.This scheme is preferably in boiler factory's design and produces, and can implement after the overtesting declaration.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101995136A CN103292469A (en) | 2011-06-28 | 2011-06-28 | Energy conservation and emission reduction device for water warming boiler and steam heat exchange boiler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101995136A CN103292469A (en) | 2011-06-28 | 2011-06-28 | Energy conservation and emission reduction device for water warming boiler and steam heat exchange boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108603687A (en) * | 2016-02-05 | 2018-09-28 | 庆东纳碧安株式会社 | Heat exchanger |
Citations (5)
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|---|---|---|---|---|
| CN2302442Y (en) * | 1997-09-01 | 1998-12-30 | 李作辰 | Regulating mechanism for heating pipe line |
| CN2700770Y (en) * | 2004-04-22 | 2005-05-18 | 李君� | High temperature water generator of boiler |
| EP1619952A2 (en) * | 2003-04-18 | 2006-02-01 | Norwood Immunology, Ltd. | Tolerance to graft prior to thymic regeneration |
| CN101344307A (en) * | 2007-07-10 | 2009-01-14 | 肖成三 | Concealed boiler |
| CN201225667Y (en) * | 2008-06-18 | 2009-04-22 | 黄春林 | Multifunctional coal firewood two-purpose energy-saving stove |
-
2011
- 2011-06-28 CN CN2011101995136A patent/CN103292469A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2302442Y (en) * | 1997-09-01 | 1998-12-30 | 李作辰 | Regulating mechanism for heating pipe line |
| EP1619952A2 (en) * | 2003-04-18 | 2006-02-01 | Norwood Immunology, Ltd. | Tolerance to graft prior to thymic regeneration |
| CN2700770Y (en) * | 2004-04-22 | 2005-05-18 | 李君� | High temperature water generator of boiler |
| CN101344307A (en) * | 2007-07-10 | 2009-01-14 | 肖成三 | Concealed boiler |
| CN201225667Y (en) * | 2008-06-18 | 2009-04-22 | 黄春林 | Multifunctional coal firewood two-purpose energy-saving stove |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108603687A (en) * | 2016-02-05 | 2018-09-28 | 庆东纳碧安株式会社 | Heat exchanger |
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Application publication date: 20130911 |