CN203880764U - Tube-sheet condensation environment-friendly heating furnace - Google Patents

Abstract

The utility model relates to a tube-sheet condensation environment-friendly heating furnace. The tube-sheet condensation environment-friendly heating furnace structurally comprises a furnace body, a hearth, a furnace covering board, a furnace body water jacket, a furnace face water jacket and the like, wherein a circle of outwards protruding loop section is arranged at the lower portion of the furnace body water jacket; a front local area of the outwards protruding loop section is separated through a smoke passing cavity; a rear local area of the outwards protruding loop section is separated through a smoke flue arranged at the rear portion of the furnace body, so that the outwards protruding loop section of the furnace body water jacket is divided into the two independent parts. An upper condensation pipe and a lower condensation pipe are installed in the two parts of the outwards protruding loop section respectively, openings in the two ends of the upper condensation pipe and openings in the two ends of the lower condensation pipe are communicated with the smoke passing cavity and the smoke flue, a transverse partition plate partitioning the port of the upper condensation pipe from the port of the lower condensation pipe is arranged in the smoke flue, and the lower portion of the outwards protruding loop section is provided with a furnace body water jacket lower loop communicated with the outwards protruding loop section. The tube-sheet condensation environment-friendly heating furnace has the advantages of being high in heating efficiency, low in pollution and coal consumption and the like, and is of great significance in improving the heating quality of rural areas and reducing air pollution.

Description

Tube-sheet type condensation environment protection warming stove

Technical field

The utility model relates to a kind of civil heating stove and accessory, specifically a kind of tube-sheet type condensation environment protection warming stove.

Background technology

Traditional civil heating stove of selling on market now, due to low content of technology, is designed with defect, and take bituminous coal as fuel, except the low energy waste seriously of the thermal efficiency, the atmospheric environment of having gone back severe contamination, civilian traditional heating stove and so-called smokeless industry boiler are to cause haze weather primary pollution source.Rural energy waste has caused the attention of the Ministry of Agriculture, and according to Academy of Agricultural Sciences's economy and Institute of Development Studies, doctor Zhu Lizhi is about in energy economy and discharge reduction in rural area one literary composition.The evenly heat efficiency of life in the countryside cooking stove a heatable brick bed is for being only 25%.Standard far below national GB/T16154.2005 General coal stove technomania efficiency 60%.Within 2006, rural area consumption coal is 900,000,000 tons, accounts for 1/4th of coal for the whole nation, and pollution index accounts for 1/3rd of the whole nation, and the situation is tense in agriculture energy-saving and emission-reduction.

At present, in fuel consumption field, fire coal occupies sizable proportion, and especially the coal-fired consumption in northeast and the Northwest is particularly serious, and main consumption ways is the Boiler heating in winter.In coal-fired process, the produced pollution is very serious, and the pollutant that in the atmosphere pollution of China, fuel combustion produces accounts for 70% of all contaminants quantity, so fuel combustion is that energy consumption is high, utilization rate is low, the combustion system of low-altitude discharged.The level of pollution in northern China city is higher than Shelter in South China Cities, and winter, sooner or later higher than noon, bituminous coal was a kind of fossil resource higher than summer, and cigarette sulfur content in coal is high and general.In recent years, in society, generally sulphur content is called to low-sulfur coal lower than coal-anthracite of 0.5.Middle-size and small-size coal-fired boiler is mainly industrial heating and household heating.Especially north of china in winter peasant warms oneself with arcola, distributes wide, and layout is loose, and take bituminous coal as the large improvement of fuel contamination and management difficulty large, and low-altitude discharged mostly.Civilian bituminous coal stove and accessory belongs to ground proximity discharge.The harm that environment and resident are caused and polluting far away higher than other combustion systems.

According to data over the years estimation, the atmosphere pollution that combustion process produces accounts for 70% of total amount, its metabituminous coal discharge capacity account for whole fire row high-volume 96%, so bituminous coal flue dust becomes the primary pollution source of China's atmosphere.China produces 90% of coal and is used as fuel, more than 70% is wherein bituminous coal fuel, is made for civilian bituminous coal fuel and accounts for 28%.Although civilian bituminous coal proportion in whole bunker coal is not very big, but because Civil energy-saving cooking stove, tea furnace, life are burnt insufficient with arcola, in addition chimney is short, do not pass through the waste gas of desulfurization at low-altitude discharged, form low latitude surface pollution, so the contamination hazard degree of residential block air is usually polluted for very more than industrial bituminous coal, especially to take the loose coal of bituminous coal be the arcola winter heating phase of leading civilian, and civilian bituminous coal causes the main cause of atmosphere pollution especially severe especially., because Civil energy-saving cooking stove has a large capacity and a wide range, disperse very much, itself does not have desulphurization plant stove and accessory simultaneously, administers more difficultly yet, so more should cause the attention of each side.Administer bituminous coal pollution very urgent, administering bituminous coal pollution top priority is to administer arcola.

Winter, the soot dust granule thing of coal heating discharge was one of main arch-criminal of environmental pollution, although central heating has been implemented in city on a large scale, use the family of coal stove significantly to reduce, but in vast rural area, the heating mode of single household is dominate still, is to cause rural area and nearby urban air-polluting pollution sources.What on rural market, more than 90% sell use at present is the stove and accessory of direct bituminous coal, this kind of stove and accessory not only thermal efficiency only has 30% left and right, and be to take bituminous coal as fuel, with clean fuel-anthracite or moulded coal, heating installation all burns not hot, while especially using moulded coal to make fuel, because fire box temperature is low, cause burning insufficient, peasant is unwilling to use, therefore clean fuel is promoted and is faced with the problem that stove and accessory product specification is low, to environmental improvement, has increased difficulty.And the Heating stove that Rural Areas at Present is generally used exists defects such as coal consumption is large, the thermal efficiency is low, pollutant discharge amount is large, contaminated environment, not only polluted environment, high flow rate and inefficient combustion system have also increased the weight of peasant's burden greatly, make the rural area winter heating difficulty of some economically underdeveloped areas.

Existing stove and accessory is mainly that endotherm area design is less, and exhaust gas temperature is higher.Absorber agent structure is that flue gas and water flow direction are following current, adopts two backhauls or three backhauls more, if reduce exhaust gas temperature, structure can be more complicated, need greatly improve rolled steel dosage, causes cost to improve cost performance and reduces.Existing Domestic heating stove is not suitable for the anthracite briquette that burns, because if want moulded coal, fully burns, and must reduce the flue dust initial ejection concentration of heating stove, and the moulded coal using must have heat endurance.Yet, if require moulded coal to there is higher heat endurance, with existing common heating stove, can not grill thoroughly, also just can not reach the nominal output of heating stove, dependence chemical addition agent technology can not be from address this problem at all.

Utility model content

The purpose of this utility model is just to provide a kind of tube-sheet type condensation environment protection warming stove, to solve existing heating stove because can only bituminous coal making smoke discharge amount greatly and the lower problem of the thermal efficiency.

The utility model is achieved in that a kind of tube-sheet type condensation environment protection warming stove, in body of heater, be provided with burner hearth and with the furnace water jacket of water inlet, at body of heater top, be provided with stove cover plate and with the surface water jacket of delivery port, at lower portion of furnace body, be provided with fire grate and stove seat, in the bottom of described furnace water jacket, be provided with a circle evagination ring section, in described evagination ring section, be provided with the upright smoke chamber of crossing that cuts off regional area before water jacket, described mistake in smoke chamber, be provided with top board, base plate and inside panel, in the described anterior port of crossing smoke chamber, be provided with Qianmen; Posterior medial at body of heater is provided with J-shaped flue, the lower end of described flue is the outlet flue that bending makes progress, the upper end of described flue communicates with burner hearth by the smoke passing port of side direction, the hypomere of described flue cuts off the rear regional area of described evagination ring section, epimere outside at described flue is coated with water jacket of flue, and described water jacket of flue is connected with described furnace water jacket; The upper condenser pipe and the lower condenser pipe that are arranged above and below are housed in the evagination ring section of described furnace water jacket, and the both ends open of described upper condenser pipe and described lower condenser pipe leads to respectively described smoke chamber and the described flue crossed; In described flue, be provided with the diaphragm plate of horizontal partition flue, the port of described upper condenser pipe and the port isolation of described lower condenser pipe of leading to described flue are come; At described evagination ring pars infrasegmentalis, be provided with the furnace water jacket lower toroidal ring communicating with described evagination ring section.

In the described bottom of crossing smoke chamber and described flue, have condensed water discharge pipe mouth, make the discharge of condensed water smooth and easy, can in front, flue, not assemble.

Described upper condenser pipe slightly tilts to front lower place, and described lower condenser pipe slightly tilts to the back lower place, makes condensed water be flowed out smoothly condenser pipe.

Described upper condenser pipe and described lower condenser pipe are by longitudinally being formed by individual layer or double-deck stainless steel tubulation of arranging.

The cast of described upper condenser pipe and described lower condenser pipe is pipe, square tube, rectangle pipe or polygon pipe.

Upper and lower condenser pipe in the utility model forms tube-sheet cooler condenser, in pipe, cocks off, and pipe is outer leakes water.Flue gas is under the swabbing action of chimney, first along flue, move from top to bottom, by upper condenser pipe and lower condenser pipe, around body of heater, revolve and turn around again, finally from bottom of furnace body, approach the flue outlet flue discharge of the water temperature lowest part of water inlet, form the workflow of two circulations, double back journey.Tube-sheet cooler condenser is good to the condensation effect of high-temperature flue gas, is conducive to the maintenance of combustion temperature in hearth and the raising of the heating stove thermal efficiency.The furnace water jacket connectivity structure that the utility model is perfect especially, makes the various piece current of furnace water jacket unobstructed, and makes the condensing heat-exchange of flue gas effective, can effectively stop the outflow of high-temperature flue gas, and fire box temperature is raise.

The structure that the utility model adopts water jacket to combine with tube-sheet cooler condenser, tube-sheet cooler condenser is embedded in the evagination ring section of furnace water jacket, high-temperature flue gas is the top-down dual circulation of process in tube-sheet cooler condenser, heat is conducted to the cold water in water jacket, then the flue by body of heater rear, from the chimney of docking, discharge.Because the high-temperature flue gas in tube-sheet cooler condenser and the cold water in water jacket have carried out sufficient heat exchange, heat exchange efficiency improves greatly.Through detecting, exhaust gas temperature of the present utility model only has 50 ℃～70 ℃, and body of heater exhaust gas temperature is in the time of 50 ℃, and hot water outlet temperature can reach 85 ℃, and body of heater exhaust gas temperature is in the time of 60 ℃, and hot water outlet temperature can reach 95 ℃.In normal operation, exhaust gas temperature lower than 20 ℃～30 ℃ of hot water outlet temperature, can improve more than 2.5 times than the thermal efficiency of common heating stove all the time.

The utility model detects through new forms of energy product surveillance station, Hebei province, and the thermal efficiency that indices is all better than national standard, particularly leading indicator is 82.8%, than national standard, is significantly increased.

The utility model has increased substantially the thermal efficiency, therefore when equal heating temperature, greatly reduces coal-fired consumption, has alleviated the financial burden of peasant's warming, has made contribution for building a Harmonious Society.

The utlity model has the remarkable advantages such as the thermal efficiency is high, pollution-free, fire coal consumption is little, to improving China's rural area wide geographic area heating quality, have a very big significance, should vigorously promote the use.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is that the A-A of heating stove shown in Fig. 1 is to cutaway view.

Fig. 3 is the top view of heating stove shown in Fig. 1.

In figure: 1, body of heater, 2, flue, 3, upper condenser pipe, 4, chimney guard ring, 5, explosion-protection equipment, 6, bell, 7, stove cover plate, 8, lower condenser pipe, 9, stove seat, 10, fire grate, 11, water inlet, 12, door-hinge, 13, Qianmen, 14, evagination ring section, 15, delivery port, 16, surface water jacket, 17, furnace water jacket, 18, cross smoke chamber, 19, water jacket of flue, 20, diaphragm plate, 21, furnace water jacket lower toroidal ring, 22, smoke passing port.

The specific embodiment

As shown in Figure 1, in the inside of body of heater 1 by using the mode of laying fireproof bricks that burner hearth is set, in the bottom of burner hearth, be provided with fire grate 10, in the bottom of body of heater 1, be provided with stove seat 9, in body of heater 1, using the water jacket samdwich made as furnace water jacket 17, at the top of body of heater 1, be provided with stove cover plate 7 and surface water jacket 16, surface water jacket 16 communicates up and down with furnace water jacket 17.On stove cover plate 7, be provided with delivery port 15(Fig. 3), this delivery port is communicated with surface water jacket 16.On stove cover plate 7, be also provided with fire door, on fire door, buckle closure has bell 6.Outside at body of heater 1 also can be coated insulation material.

As shown in Figure 1 and Figure 2, the bottom of furnace water jacket 17 is shaped with the evagination ring section 14 of a circle and water jacket one, in order to the tube-sheet cooler condenser of splendid attire arc.In this evagination ring section 14, be provided with the upright smoke chamber 18 of crossing that cuts off regional area before water jacket, in crossing smoke chamber 18, be provided with top board, base plate and inside panel, in the anterior port of crossing smoke chamber 18, be provided with Qianmen 13, Qianmen 13 can join by door-hinge 12 and body of heater 1, can make smoke chamber 18 become closed cavity after buckle closure.At the rear portion of body of heater 1, be provided with the flue 2 of J-shaped, the lower end of flue 2 is the outlet flue that bending makes progress, and the upper end of flue 2 communicates with burner hearth by the smoke passing port 22 of side direction, to aspirate the coal-fired flue-gas in burner hearth; The lower end outlet flue of flue 2 stretches out the outside of body of heater 1.On the outlet flue of the lower end of flue 2, can set up chimney, chimney top can be through the chimney guard ring 4 of corresponding position on stove cover plate 7, to improve the installation stability of chimney.The hypomere of flue 2 cuts off the rear regional area of evagination ring section 14.Like this, the evagination ring section 14 of furnace water jacket just becomes anterior quilt two relatively independent parts that smoke chamber 18, rear portion are separated by flue 2 excessively.But these two relatively independent parts of evagination ring section 14, its top all communicates with the epimere of furnace water jacket 17, its underpart all communicates with the bottom of furnace water jacket 17, because the bottom of bulge loop circle section 14 is also provided with furnace water jacket lower toroidal ring 21 outside, to be communicated with two separating parts of evagination ring section 14, thereby the various piece that makes furnace water jacket 17 keeps being communicated with, and makes heating water return can enter smoothly two separating parts of evagination ring section 14.Though the water inlet 11 being connected on furnace water jacket 17 is connected on furnace water jacket lower toroidal ring 21 well.

In Fig. 1, in the epimere outside of flue 2 straight pipes, be coated with water jacket of flue 21, the both sides of water jacket of flue 21 are connected with the epimere of furnace water jacket 17 respectively, and the top of water jacket of flue 21 is connected with surface water jacket 16.Upper condenser pipe 3 and the lower condenser pipe 8 being arranged above and below is housed respectively in two of bulge loop circle section 14 separating parts outside, and upper condenser pipe 3 and lower condenser pipe 8 are arc body, and its both ends open leads to respectively the flue 2 of crossing smoke chamber 18 and body of heater rear portion of body of heater front portion.In flue 2, be provided with the diaphragm plate 20 of horizontal partition flue, upper condenser pipe port and the lower condenser pipe port opened on flue 2 sidewalls are kept apart mutually.

In Fig. 1, upper condenser pipe 3 slightly tilts to front lower place, and lower condenser pipe 8 slightly tilts to the back lower place, so that condensed water automatically flows out from upper and lower condenser pipe.The condensed water of discharging in the bottom of crossing smoke chamber 18 and flue 2, has condensed water discharge pipe mouth (not shown), so that can flow out body of heater outside smoothly from upper and lower condenser pipe.

Upper condenser pipe 3 and lower condenser pipe 8 are comprised of the stainless steel tubulation of longitudinally arranging by individual layer, bilayer or multilayer.Upper condenser pipe 3 and lower condenser pipe 8 can be the multiple-type pipes such as pipe, square tube, rectangle pipe or polygon pipe.

In the utility model, also automatic control system can be set, to realize the automatic control of heating.Automatic control system includes the parts such as thermocouple, relay, controller and air-introduced machine.The installation of TC is in the water pipe of heating stove delivery port, when controller receives hot water temperature's information that thermocouple sends, can be according to temperature and the working time set, whether control the work of air-introduced machine, thereby the heating that forms domestic stove is controlled automatically, makes peasant's winter heating realize modernization.

The course of work of the present utility model is as follows:

First in burner hearth, light kindling, after kindling sufficient combustion, pour moulded coal from fire door into, because moulded coal is through processing, added desulfurizing agent, in combustion process, its flue gas desulphuization rate can reach 80～90%.Under the suction function of chimney suction, the smoke passing port 22 of the flue gas of process desulfurization on burner hearth enters into flue 2, flue gas is stopped by the diaphragm plate 20 in flue 2 and enters upper condenser 3, flue gas is detoured and is entered into the smoke chamber 18 excessively of body of heater 1 front portion by upper condenser 3, completes first condensation backhaul in upper condenser 3; Afterwards, descending from cross smoke chamber 18, the import that enters the lower condenser 8 of bottom, then detour to body of heater rear portion along lower condenser 8, enter the hypomere of flue 2, complete second condensation backhaul.When flue gas enters after the hypomere of flue 2, from flue outlet flue by discharging the chimney docking with flue 2.The flue-gas temperature of now discharging can be controlled in 50-70 ℃.

On flue gas successively passes through in the process of condenser 3 and lower condenser 8, carry out sufficient heat exchange with the water in furnace water jacket 17, because flue-gas temperature is to flow out from the bottom of body of heater 1, and water in furnace water jacket 17 is to flow out from the delivery port of body of heater highest point, the gentle water temperature of cigarette intersects to form adverse current, improved thus heat exchanger effectiveness, improved combustion temperature in hearth, and the type burning of coal of making becomes possibility.

Claims (5)

1. a tube-sheet type condensation environment protection warming stove, in body of heater, be provided with burner hearth and with the furnace water jacket of water inlet, at body of heater top, be provided with stove cover plate and with the surface water jacket of delivery port, at lower portion of furnace body, be provided with fire grate and stove seat, it is characterized in that, in the bottom of described furnace water jacket, be provided with a circle evagination ring section, in described evagination ring section, be provided with the upright smoke chamber of crossing that cuts off regional area before water jacket, described mistake in smoke chamber, be provided with top board, base plate and inside panel, in the described anterior port of crossing smoke chamber, be provided with Qianmen; Posterior medial at body of heater is provided with J-shaped flue, the lower end of described flue is the outlet flue that bending makes progress, the upper end of described flue communicates with burner hearth by smoke passing port, the hypomere of described flue cuts off the rear regional area of described evagination ring section, epimere outside at described flue is coated with water jacket of flue, and described water jacket of flue is connected with described furnace water jacket; The upper condenser pipe and the lower condenser pipe that are arranged above and below are housed in the evagination ring section of described furnace water jacket, and the both ends open of described upper condenser pipe and described lower condenser pipe leads to respectively described smoke chamber and the described flue crossed; In described flue, be provided with the diaphragm plate of horizontal partition flue, the port of described upper condenser pipe and the port isolation of described lower condenser pipe of leading to described flue are come; At described evagination ring pars infrasegmentalis, be provided with the furnace water jacket lower toroidal ring communicating with described evagination ring section.

2. tube-sheet type condensation environment protection warming stove according to claim 1, is characterized in that, in the described bottom of crossing smoke chamber and described flue, has condensed water discharge pipe mouth.

3. tube-sheet type condensation environment protection warming stove according to claim 2, is characterized in that, described upper condenser pipe slightly tilts to front lower place, and described lower condenser pipe slightly tilts to the back lower place.

4. tube-sheet type condensation environment protection warming stove according to claim 3, is characterized in that, described upper condenser pipe and described lower condenser pipe are by longitudinally being formed by individual layer or double-deck stainless steel tubulation of arranging.

5. tube-sheet type condensation environment protection warming stove according to claim 4, is characterized in that, the cast of described upper condenser pipe and described lower condenser pipe is pipe, square tube, rectangle pipe or polygon pipe.