CN2300042Y

CN2300042Y - Miniature pressureless high-temp. energy-saving boiler

Info

Publication number: CN2300042Y
Application number: CN 97241172
Authority: CN
Inventors: 万治纲; 万演华; 夏慧利; 万演文
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-08-14
Filing date: 1997-08-14
Publication date: 1998-12-09
Anticipated expiration: 2007-08-14

Abstract

The utility model relates to a miniature pressureless high-temperature energy-saving boiler, which adopts that an inner container is combined with an outer container, and double boiler bodies are connected in series; the utility model is provided with a water inlet pipe, a hot water pipe, a steam output pipe, a pressure gauge, a temperature gauge, a water level gauge, a transverse water pipe and a guiding pipe of a support frame for communicating the inner and the outer containers; an annular flue is arranged between the inner and the outer containers and is communicated with a chimney; laminas are in helical distribution on the inner container, causing that the annular flue becomes a helical flue. The helical flues of two boiler bodies are connected with a smoke conduction pipe. The boiler bodies are arranged on a base plate of the bottom of the boiler; the utility model is also provided with a dust chamber, a draught fan, a hearth with a boiler door and a boiler bridge, a hot water regulating pipe, a steam regulating pipe and a safety valve. The utility model has the advantages of coal economization, electricity saving, pressureless and high-temperature.

Description

Miniature pressure less high temperature power economized boiler

The utility model relates to a kind of power economized boiler, particularly miniature pressure less high temperature power economized boiler.

Existing power economized boiler, it generally is the multipurpose boiler, both can boil water, can be used for producing steam again, as Chinese patent CN2087732U disclosed a kind of " the two courage multipurpose boilers of combined type ", its body of heater is made of outer courage and inner bag, the centre accompanies annular flue, inner bag bottom and top ovalize, and outer casing underpart has some secondary air channels, chimney is loaded on the furnace roof center, and the petticoat pipe that constitutes body of heater is an arc surface.Burner hearth is round burner hearth, adopts fixed grate, and this pair of courage multipurpose boiler aquifer yield is big.The thermal efficiency of economizing on coal is higher, inside and outside courage is less scaling, it is the steam generation quantity not sufficient, and manufacturing process trouble, two courage steam boilers after the improvement, ZL94203586.0 has kept the inside and outside courage of boiler, chimney, burner hearth, the shape invariance of fire grate, adopt secondary air channel still along the boiler jacket circumference uniform distribution, former water inlet pipe is positioned at outer courage bottom, cold water enters boiler by outer courage bottom, boiled water pipe and hot-water line are drawn from the inner bag bottom, and steam pipe is positioned at top, the furnace roof outside, change water inlet pipe into and draw from center, inner bag bottom, make cold water enter boiler from the inner bag bottom, boiled water pipe is drawn from boiler jacket middle part, and steam pipe is drawn from outer courage side top, has welded the horizontal water tube of 2 above slightly inclineds in addition outside on the courage, to increase the radiation and convection heat-transfer area, improve the steam production and the thermal efficiency of boiler, increased louver on the secondary air channel mouth, the water level meter is retrofitted on the shell, simplified the manufacturing process of boiler, the adaptability of coal has been strengthened.Yet the thermal efficiency of the civil boiler of this not only steam supply but also continuous heat supply water, boiling water also needs further raising, structure needs miniaturization, accomplish safe in utilization, energy-conservation, boiler pressure must reach minute-pressure and not have and press, the temperature that guarantees steam reaches the requirement of country to civil boiler, and its structure will be improved.

The purpose of this utility model is, improves and studies at above-mentioned the deficiencies in the prior art, proposes and design miniature pressure less high temperature power economized boiler.

Solution of the present utility model is, adopt inner bag, the combination of outer courage furnace binding, be furnished with water inlet pipe, hot-water line, steam output pipe, Pressure gauge, safety valve, thermometer, water level meter, being furnished with horizontal water tube makes inner bag communicate with outer courage, accompany annular flue between inner bag and the outer courage, annular flue communicates with chimney.It is characterized in that, adopt the combination of twin furnace body, be first body of heater and second body of heater tandem compound, first body of heater bottom is provided with burner hearth, be furnished with fire door and grate, some heat absorption blades have been welded on the inner bladder outer wall, the annular flue that accompanies between inner bag and the outer courage is transformed into the spiral flue, the inner bag upper end is joined even by scaffold tube and outer courage and is communicated, the annular flue of first body of heater communicates with the annular flue of second body of heater, and the first body of heater communicates with the hot-water line of second body of heater, is furnished with controlling valve, first body of heater and second body of heater are installed on the hearth plate, under the hearth plate dirt pocket are arranged, and communicate with the second body of heater.

The chimney below is furnished with the dedusting door.

Chimney is furnished with the cigarette lock.

Dirt pocket is furnished with air-introduced machine.

The first body of heater is furnished with easing valve.

Be furnished with steam output adjustable pipe and pipe valve between first body of heater, the second body of heater.

There is heat-insulation layer on the surface of first body of heater, second body of heater.

Be provided with wireway in the second body of heater.

The boiling water output interface is arranged on the second body of heater, be furnished with the boiling water indicator.

The steam temperature that body of heater produces is 135 ℃-190 ℃.

Operation principle of the present utility model is, adopting the monomer boiler to be together in series is installed on the boiler bottom plate, each monomer boiler furnace adopts two courages, be inner bag and outer courage combining structure, the space forms the annular flue between outer courage and the inner bag, face is installed in some heat absorption blades on the inner bladder outer wall, shape is arranged in the shape of a spiral, make annular flue be transformed into the spiral flue, promotion flue gas heat energy is tightly encircled inner bag and is rotatablely moved, and adds under the effect of temperature in centripetal force and revolving force, high-speed heat exchange will be produced, the water of contact wall of inner container and outer courage inwall is heated up rapidly and high-temperature gasification, produce high-temperature steam, high-temperature steam rises and climbs up on top of the water, again under the high temperature action of laterally leading smoke pipe, the steam Fast Heating is heated, and the exhaust steam efferent duct is so can conveniently accomplish pressure less high temperature.The applicant gropes through repetition test, the interaction energy of finding spiral accelerated motion and centripetal force make the heat-transfer effect of helical form flue to be higher than vertical annular flue heat exchange effect 2-3 doubly.In addition the spiral flue can also be accomplished the auto spiral dedusting.This be because, when fuel in burner hearth, burn produce heat energy can to the inner bag on its top and outside the acting of heating of the water contained of courage, when rotation rising heat energy in the annular flue in the first body of heater, the flue gas downward reverse rotation work done of annular flue that enters the second body of heater with motion, during the part of the annular flue of its no inner bag that rotatablely moves, to form a center of vorticity, the flue dust that flue gas is carried secretly is stranded in the dirt pocket of second body of heater below, finish dedusting, the use of connecting with the second body of heater of first body of heater can obtain more satisfactory heat effect amount.First body of heater, second body of heater keep identical height of water level, and steam and the hot water and the boiling water of close temperature can be provided.If transfer the height of water level of first body of heater and second body of heater inconsistent, then can export the steam of different temperatures, for example, the water level of second body of heater to be turned down to water level meter 10cm place, the second body of heater produces steam will reach 280 ℃.Can also make the first body of heater produce steam specially, the second body of heater supplies boiling water specially, makes the utility model accomplish to provide steam and fresh qualified boiling water to neglect neither equally.Basic structure of the present utility model can make the inner bag and outer courage contact medium water of body of heater, accomplishes vertical contact substantially, and inside and outside like this courage is difficult for causing incrustation scale, heap in adding the process of hot water.Be provided with the little place of short tube in the stove, be generally the torrent state so also be difficult for plugging, easily snaking.For guaranteeing not have the monitoring of pressure, the utility model is installed the safety valve that meets national standard, also is equipped with easing valve, has guaranteed of the present utility model safe in utilization.If the steam that uses the utility model to produce wishes that it has certain pressure, can install high-pressure pump outside the body of heater steam output pipe additional needs land used to add the pressure of needs to steam.Usually remaining between 135-190 ℃ the utility model at high-temperature steam can accomplish not have and press, need be with press operation when being higher than 190 ℃ temperature if desired or using steam, can cause the utility model to enter minute-pressure or operating on low voltage state as requested during concrete the use, can obtain band and press steam, explain this spy.Because the utility model is generally one ton of following structure, so its structure can be accomplished microminiaturization.In when work, after only needing to use air-introduced machine that flue gas circulate, promptly can turn off air-introduced machine in flue, guarantee flow of flue gas by the chimney thermal static draft, thereby reduce noise and saving electric energy that air-introduced machine produces.

Advantage of the present utility model is, reasonable in design, novel structure, economize on coal, power saving, compare with the known energy-saving steam boiler of identical tonnage, economize on coal 30%, water saving 20%, saving steel 30%, save manpower 50%, economize on electricity 70%, and cost has only with tonnage boiler 70%, its quick heating, thermal efficiency height, the vapor (steam) temperature that produces under no pressure situation can reach 135-190 ℃, and the minute-pressure situation is assigned 250-285 ℃.Its floor space is little, and is safe and reliable, easy to operate, simple.Both can burn coal, oil firing, burning gas, can burn bavin again, burn sawdust, its energy automatic smoke-eliminating dedusting, and adopt inside and outside courage to make up, join heat absorption blade formation spiral flue, adopt water inlet down, on go out the structure of steam, its boiler is less scaling, the utility model can be widely used in office, school, factory and the catering trade in vast cities and towns and provide multiple service for resident living.

Fig. 1, basic structure schematic diagram of the present utility model

Fig. 2, basic structure cutaway view of the present utility model

Fig. 3, basic structure partial top view of the present utility model

Fig. 4, the inside and outside courage combination of the utility model generalized section

Describe embodiment of the present utility model below with reference to the accompanying drawings in detail.

As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the utility model comprises first body of heater 5, second body of heater 6, chimney 32, dirt pocket 20, water inlet pipe 4, hearth plate 1, thermometer 11, wireway 12, water level meter 13, cigarette conduit 34, Pressure gauge 15, safety valve 16, steam output pipe 17, easing valve 18, cigarette lock 8, boiling water output interface 9, blow-off pipe 2, scaffold tube 33, horizontal water tube 28.Inner bag 29, outer courage 27 are combined the composition body of heater, and body of heater adopts two series connection mutually, and wherein first body of heater 5 bottoms are furnished with burner hearth, and burner hearth is furnished with fire door 3, grate 26, connects annular flue 36 between inner bag 29 and the outer courage 27 on the burner hearth.Inner bag 29 is installed in the outer courage 27, it all communicates with outer courage 27 up and down, inner bag 29 tops are joined company by scaffold tube 33 and outer courage 27 and are communicated, inner bag 29 bottoms are joined company by horizontal water tube 28 and outer courage 27 inwalls and are communicated, inner bag 29, outer courage 27 are the sheet metal welding production, and interior is water storage and air storage space, in order to quicken the heat exchanger effectiveness of body of heater, inner bag 29 outer wall surface some heat absorption blades 30 that have been welded, these heat absorption blades 30 shape in the shape of a spiral distribute.Around inner bag 29 outer wall surface, annular flue 36 is transformed into the spiral flue, first body of heater 5 is matched by the cigarette conduit 34 on its top with the spiral flue of second stove 6, and the match around the boundary line outside body of heater is equipped with flue and connects socket 14.There is heat-insulation layer 31 on outer courage 27 surfaces, on first body of heater 5, the second body of heater 6 respectively symmetry water level meter 13 is housed, thermometer 11, blow-off pipe 2, water inlet pipe 4, water inlet pipe 4, blow-off pipe 2 all are contained in first body of heater 5, and the bottom of second body of heater 6 is near the position of lower edge, and communicate with separately outer courage 27, the hot-water line 7 of band valve also is housed, and the phase interworking connects on first body of heater 5, second body of heater 6.Be contained in Pressure gauge 15 on the first body of heater 5, safety valve 16, first body of heater 5, second body of heater 6 dispose steam output pipe 17, easing valve 18 respectively, and also are furnished with steam output adjustable pipe and pipe valve 19 by valve control between first body of heater 5, second body of heater 6.Be furnished with hot water output interface 9 on the second body of heater 6, reach boiling water indicator 10.First body of heater 5, second body of heater 6 are installed on the hearth plate 1 side by side, and hearth plate 1 is contained on the dirt pocket 20, and be fixing with screw 37.Dirt pocket 20 is arranged on the general tile stove platform 21, dedusting partition wall 23 is arranged in the dirt pocket 20, make dirt pocket 20 be separated into front and back two parts, its front portion communicates with burner hearth, and its rear section communicates with the annular flue 36 of second body of heater 6, and deduster 20 front portions are provided with air door 25 and skimming door 22, its rear side has dedusting door 24, and flue valve 8 has been installed, and connecting with chimney 32 by flue valve 8 dirt pockets 20, chimney 32 is selected the chimney of vertical structure for use, use brick mix structure, chimney 32 belows are equipped with the dedusting door.For the ease of smoke abatement and dust control, dirt pocket 20 also has been equipped with air-introduced machine 35.It is matched with the hot-water line 7 outside the body of heater to be furnished with wireway 12 in the second body of heater 6.

The whole boiler that the utility model the foregoing description provides is that 0.8 ton of vertical boiler, overall dimension are φ 600 * 2 * 2.800, unit: millimeter.The body of heater base plate l that adopts is that disjunctor steel baseplate and twin furnace body size are supporting, blow-off pipe 2 is selected 2 cun diameters for use, the aperture of door of fire door 3 is 180 * 160mm, adopting double-layer plate door leaf thickness is 5mm, Pressure gauge 15 adopts the 0.6MPa specification, steam output pipe 18 and select 3 cun threeways for use, the fixed screw of configuration installation thermometer it on.Water inlet pipe 4 adopts welding with the position that body of heater connects, and easing valve 18 pressure limiting 0.25MPa, skimming door 22 be height=350 millimeters, and are wide 280 millimeters.It on the skimming door 22 air door hole 25.200 millimeters * 200 millimeters of dedusting door 24 sizes, totally 2.Air door is selected 200 millimeters * 180 millimeters for use, and grate 26 adopts the cast iron grate.φ adopts the assembly of common-use size to be put together for 580 millimeters, and outer courage 27 adopts the A3 steel plate to make thickness of slab 4-4.5mm.

Omitted air-introduced machine 35 among Fig. 1 and occurred in the drawings, special in this explanation.

Claims

1, miniature pressure less high temperature power economized boiler, adopt inner bag, the furnace binding of outer courage combination, is furnished with water inlet pipe, hot-water line, steam output pipe, Pressure gauge, safety valve, thermometer, the water level meter, being furnished with horizontal water tube makes inner bag communicate with outer courage, accompany annular flue between inner bag and the outer courage, annular flue communicates with chimney, it is characterized in that, adopt the combination of twin furnace body, be first body of heater (5) and second body of heater (5) tandem compound, first body of heater (5) bottom is provided with burner hearth, is furnished with fire door (3) and grate (26), the some heat absorption blades (30) that have been welded on inner bag (29) outer wall are transformed into the spiral flue with the annular flue (36) that accompanies between inner bag (29) and the outer courage (27).Inner bag (29) upper end is joined even by scaffold tube (33) and outer courage (27) and is communicated, the annular flue (36) of first body of heater (5) communicates with the annular flue (36) of second body of heater (6), first body of heater (5) communicates with the hot-water line (7) of second body of heater (6), is furnished with controlling valve, first body of heater (5) is installed on the hearth plate (1) with second body of heater (6), dirt pocket (7) is arranged under the hearth plate (1), and communicate with the second body of heater.

2, miniature pressure less high temperature power economized boiler according to claim 1 is characterized in that, chimney (32) below is furnished with the dedusting door.

3, miniature pressure less high temperature power economized boiler according to claim 1 is characterized in that chimney (32) is furnished with cigarette lock (8).

4, miniature pressure less high temperature power economized boiler according to claim 1 is characterized in that, dirt pocket (20) is furnished with air-introduced machine (35).

5, miniature pressure less high temperature power economized boiler according to claim 1 is characterized in that, first body of heater (5) is furnished with easing valve (15).

6, miniature pressure less high temperature power economized boiler according to claim 1 is characterized in that, first body of heater (5), second body of heater (6) are furnished with steam output adjustable pipe and pipe valve (19).

7, miniature pressure less high temperature power economized boiler according to claim 1 is characterized in that, there is heat-insulation layer (31) on the surface of first body of heater (5), second body of heater (6).

8, miniature pressure less high temperature power economized boiler according to claim 1 is characterized in that, is provided with wireway (12) in the second body of heater (6).

9, miniature pressure less high temperature power economized boiler according to claim 1 is characterized in that, boiling water output interface (9) is arranged on the second body of heater (6), is furnished with boiling water indicator (10).

10, miniature pressure less high temperature power economized boiler according to claim 1 is characterized in that, the vapor (steam) temperature that body of heater produces is at 135 ℃-190 ℃.