CN205783763U - A kind of large-scale heating hot water boiler - Google Patents

Abstract

The utility model discloses a kind of large-scale heating hot water boiler, the destructive gasifying combustion system that including body of heater, is arranged in burner hearth, be arranged on body of heater in and be positioned at the disc type many backhauls heat exchanger above destructive gasifying combustion system and the chimney being arranged on body of heater.The dry distilling of fuel, gasification, and combustion and conventional oven are combined and are integrated by this utility model, fuel carries out dry distilling, gasification under controllable state, dry distilling, gasification after fugitive constituent with preheating after combustion air be sufficiently mixed after carry out complete high-temp combustion, the flue gas that high temperature is clean enters air after abundant heat exchange in heat exchanger, recirculated water in furnace water jacket interlayer uniformly heats up, and further improves so that stove has had at energy-saving and environmental protection, the aspect such as safe efficient.

Description

A kind of large-scale heating hot water boiler

Technical field

This utility model relates to heating equipment technical field, is specifically related to a kind of large-scale heating hot water boiler.

Background technology

In the northern territory of China, winter temperature is low, Heating Period is long, and the general heating plant in the north is that hot-water heating combustion fuel is adopted Heating stove.In the outlying district in city, the place such as enterprises and institutions that central heating does not reaches, factory's dormitory, school, still rely on Small-sized collective heating heating stove, this type of old-fashioned heating system exists that the thermal efficiency is low, exhaust emission serious, it is big to run potential safety hazard Many defects.Current atmospheric environment deteriorates, and society and resident are more and more higher for the cry of environmental protection.So needing design one Environmental protection, efficient, safe collective heating stove, both reached the energy-conservation and environmental requirement of cleaning, and can reach again Effec-tive Function, run The requirement of low cost.

Various straight burning in the market, return burning, gasification stove, generally there is stove fire burning velocity uneven.Heat exchange Efficiency is low, and flue dust, dust, oxynitride concentration be high and the series of problems such as carbon monoxide spilling after banking up a fire.Additionally, thus make The heating system become heats up slowly, fuel gas is poisoned, cooking intensity of fire is low, waste resource, atmosphere pollution, formation haze etc. are Row drawback, brings a series of infringement to environment, resource and people's life health.Small-sized according to country JB/T7985---2002 Boiler and normal-pressure hot-water boiler technical conditions, according to NB/T34007---2012 " biomass cooking heating stove tool general technical specifications " And on the basis of GB16154---2005 " domestic water heating Fuel Furnace general technical specifications ", re-absorption conventional oven body of heater and heat-exchanging water On the basis of jacket layer, in conjunction with destructive gasifying and the principle of fuel gas mixed combustion of fuel carbon, conventional oven system is carried out Reasonably design, layout and technological innovation, develop out.

Utility model content

The purpose of this utility model is to overcome the defect of prior art, it is provided that a kind of row safe and efficient, low is stable, collection is anti- Burn the large-scale heating hot water boiler of destructive gasifying one.

To achieve these goals, the technical scheme that this utility model is taked is as follows:

A kind of large-scale heating hot water boiler, including body of heater, is arranged on the disc type that body of heater is interior and is connected with the water jacket of body of heater Many backhauls heat exchanger and be arranged on the chimney on disc type many backhauls heat exchanger.

Further improving as this utility model, described disc type many backhauls heat exchanger includes heat exchanger top board, heat exchanger Base plate, the heat exchanger coaming plate that heat exchanger top board sidepiece is linked together with bottom plate of heat exchanger side seal and connect in heat exchange Ventilation fire tube between device top board and bottom plate of heat exchanger.

Further improve as this utility model, be provided with in described body of heater and be positioned at below disc type many backhauls heat exchanger Destructive gasifying combustion system；Described destructive gasifying combustion system includes the combustion barrel being arranged in burner hearth, is arranged on combustion barrel side Fresh air inlet on wall connects with combustion barrel and lower end insert fuel bed gas collection airway, cover at combustion barrel upper port and With the cumulative umbrella of through hole and the intake adit to combustion barrel air feed.

Further improving as this utility model, described disc type many backhauls heat exchanger is arranged on above stockhole, its number Amount is more than one group, and many group disc type many backhauls heat exchanger intervals are arranged.

Further improving as this utility model, the ventilation fire tube of the disc type many backhauls heat exchanger described in many groups is in " bow " Type is crisscross arranged in body of heater.

Further improving as this utility model, described combustion barrel outer cover is equipped with high temperature air distribution mixing drum；Described combustion Burn and between cylinder and high temperature air distribution mixing drum, form clearance cavity；

It is provided with the wind-drive disc for connecting with combustion-supporting air inlet pipeline on the barrel of described high temperature air distribution mixing drum.

Further improving as this utility model, described destructive gasifying combustion system is by the fuel in burner hearth from bottom to top Be divided into grieshoch, burning zone, be positioned at the dry distilling layer at gas collection/inducing QI mouth of pipe and be positioned at the Bunker outside gas collection/airway Preliminary heating zone；Described gas collection/airway is internal is destructive gasifying chamber, and described combustion barrel is internal is combustion chamber.

Further improve as this utility model, described body of heater is provided with the dry distilling air inlet pipe to dry distilling layer air feed Road；More than one is set on described dry distilling air inlet pipeline respectively to burning zone and the air outlet of dry distilling layer air feed；Described air outlet The downward-sloping setting in negative angle.

Further improve as this utility model, be positioned on the combustion-supporting air inlet pipeline of described body of heater and be provided with heating wing Sheet；It is provided with blast regulator on the combustion-supporting air inlet of described combustion-supporting air inlet pipeline；

The shoot door for clearing up disc type many backhauls heat exchanger internal dust it is additionally provided with on described body of heater；

It is provided with on described sidewall of the furnace body under connection burner hearth and is pressed into air port, bunkering port and is positioned at turning at bunkering port Shaft type automatic door plate；

Described lower portion of furnace body is provided with water seal tank.

Further improve as this utility model, described chimney breast connects smoke eliminator；Described flue gas is clean Gasifying device includes the flue gas cleaning case connected with chimney, the screen plate being arranged on flue gas cleaning case, is arranged in flue gas cleaning case And be positioned at the fume treatment solution pool below screen plate, be arranged on the pipeline pump of fume treatment solution pool, be connected to pipeline pump On spray pipeline, be connected on spray pipeline and be positioned at the spray head above screen plate and be arranged on flue gas cleaning case Exhaust opening.

Compared with prior art, having the beneficial effect that acquired by this utility model:

One, improve the thermal transition efficiency of fuel.Fugitive constituent after gasification, through collecting, after gas directing system, at cumulative umbrella Part fully burning, the fuel powder particles carried secretly in fugitive constituent the most together burns；The abundant heat exchange of disc type many backhauls heat exchanger, interlayer Interior recirculated water olderly flowage, without impingement phenomenon overheated, mutual；Heat-insulation layer outside body of heater stops scattering and disappearing of body of heater heat.Two, subtract The discharge of of low pollution gas.Fugitive constituent after gasification, containing fuel gas, tar and carry the materials such as fuel powder particles, fugitive constituent secretly Afterburnt cannot enter air, as long as being the pollutant of heating stove, fugitive constituent at cumulative umbrella position fully and air mixed combustion, Pollutant are by sufficient high-temp combustion, and clean process, the flue gas making discharge is more environmentally friendly.Three, save the energy.Flammable in fuel carbon Thing sufficiently burns, and fuel carbon converting heat efficiency is high, disc type many backhauls heat-insulation cover for heat exchanger and rotary shaft automatic door plate Design, make heat exchange fully, stove unit interval consumption fuel quantity reduces, thus reaches to save the effect of fuel.Four, burning is all Even.Stove dry distilling chamber good airproof performance, by controlling wind supply quantity, the destructive gasifying speed of fuel is controlled, and fugitive constituent produces stable, fire Flame combustion even.Five, burn more abundant.Combustion air passage is the most exposed at combustion chamber, by the instantaneous intensification of the air of passage, High temperature combustion air and vaporization at high temperature part mixed combustion, burn more abundant.Six, fume high-temperature burning clean technology.Fugitive constituent High-temp combustion, by the fuel powder particles in flue gas.The flammability such as tar, thus reached the purpose of gas cleaning.Seven, ring Ensure safety.The fully burning such as fuel gas in flue gas and tar, clean flue gas discharged by chimney, do not produce fuel gas leak and Flying dust phenomenon, make that surrounding is cleaner, environmental protection, safety.Eight, stablize comfortable.Come automatically by measuring return water system temperature Start blower fan and water pump, realize constant temperature and adjust, it is to avoid be overheated or temperature is too low.

The dry distilling of fuel, gasification, and combustion and conventional oven are combined and are integrated by this utility model, and fuel is at controlled shape Carry out dry distilling under state, the fugitive constituent after dry distilling with preheating after combustion air be sufficiently mixed after burn, high temperature is clean Flue gas enters air after abundant heat exchange in heat exchanger, and the recirculated water in furnace water jacket interlayer uniformly heats up, and stove runs through Gather return water temperature data, realize autocontrol operation, so that stove has had more at energy-saving and environmental protection, the aspect such as safe efficient Further improve.

Accompanying drawing explanation

Accompanying drawing 1 is structural representation of the present utility model；

Accompanying drawing 2 is the structural representation of this utility model disc type many backhauls heat exchanger；

Accompanying drawing 3 is that the A of this utility model accompanying drawing 2 is to sectional structure schematic diagram；

Accompanying drawing 4 is the structural representation of this utility model destructive gasifying combustion system；

Accompanying drawing 5 is the plan structure schematic diagram of this utility model destructive gasifying combustion system；

Accompanying drawing 6 is that the B of this utility model accompanying drawing 4 is to sectional structure schematic diagram；

Accompanying drawing 7 is this utility model dry distilling air inlet pipeline and the structural representation of air outlet；

Accompanying drawing 8 is that the C of this utility model accompanying drawing 7 is to sectional structure schematic diagram.

In the accompanying drawings:

1-destructive gasifying combustion system, 2-body of heater, 3-disc type many backhauls heat exchanger, 4-chimney, 5-shoot door, 6-burn Chamber, the combustion-supporting air inlet of 7-, 8-bunkering port, 9-destructive gasifying chamber, 10-burner hearth, 11-cumulative umbrella, 12-wind-drive disc, 13-high temperature are joined Wind mixing drum, 14-fresh air inlet, 15-gas collection/airway, 16-heat exchanger top board, 17-ventilation fire tube, 18-bottom plate of heat exchanger, 19- Grieshoch, 20-burning zone, 21-dry distilling layer, 22-Bunker preliminary heating zone, 23-crust thermal insulation cover, the combustion-supporting air inlet pipeline of 24-, 25-are dry Evaporate air inlet pipeline, 26-heat exchanger coaming plate, 27-rotary shaft automatic door plate, 28-air outlet, 29-combustion barrel, 30-fire banking-up board, 31- Under be pressed at air port, 32-flue gas cleaning case, 33-screen plate, 34-spray head, 35-spray pipeline, 36-exhaust opening, 37-flue gas Reason solution pool, 38-pipeline pump, 39-water seal tank, 40-clearance cavity, 41-heat fin.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is carried out further details of narration.

As shown in accompanying drawing 1-8, a kind of large-scale heating hot water boiler, including body of heater 2, be arranged on body of heater 2 in and with body of heater 2 Disc type many backhauls heat exchanger 3 that water jacket is connected and be arranged on the chimney 4 on disc type many backhauls heat exchanger 3.Described disc type is many Backhaul heat exchanger 3 include heat exchanger top board 16, bottom plate of heat exchanger 18, by heat exchanger top board 16 sidepiece and bottom plate of heat exchanger 18 sidepiece The heat exchanger coaming plate 26 being sealed connected together and the connection ventilation fire between heat exchanger top board 16 and bottom plate of heat exchanger 18 Pipe 17.The destructive gasifying combustion system 1 being positioned at below disc type many backhauls heat exchanger 3 it is provided with in described body of heater 2；Described carbonization gas Change combustion system 1 and include the combustion barrel 29 being arranged in burner hearth 10, the fresh air inlet 14 being arranged on combustion barrel 29 sidewall and burning Cylinder 29 connection and lower end insert fuel bed gas collection airway 15, cover at combustion barrel 29 upper port and poly-with through hole Can umbrella 11 and the intake adit to combustion barrel 29 air feed.

Described disc type many backhauls heat exchanger 3 is arranged on above stockhole, and its quantity is more than one group, the many backhauls of disc type of many groups Heat exchanger 3 interval is arranged, and the lower end of described disc type many backhauls heat exchanger 3 is connected with the water jacket inner core of the body of heater 2 with heat-insulation layer, The full water layer carrying out heat exchange with ventilation fire tube 17 of disc type many backhauls heat exchanger 3 internal cavities, with the water of the water jacket inner core of body of heater 2 Circulation communicates, and is particularly suited for the application of the big heating stove of required hot water amount.Leading to of disc type many backhauls heat exchanger 3 described in many groups Wind-fire pipe 17 is crisscross arranged in body of heater 2 in " bow " type, makes flame and high-temperature flue gas repeatedly turn back back and forth, and heat exchange is more abundant, institute State the passage that ventilation fire tube 17 is flame or steam passes through.

Described combustion barrel 29 outer cover is equipped with high temperature air distribution mixing drum 13；Described combustion barrel 29 and high temperature air distribution mixing drum 13 Between formed clearance cavity 40, the barrel of described high temperature air distribution mixing drum 13 is provided with for connecting with combustion-supporting air inlet pipeline 24 Wind-drive disc 12, described wind-drive disc 12 be carry metallic plate jaggy, the wind of combustion-supporting air inlet pipeline 24 from indentation, there enter.Burning Clearance cavity 40 between cylinder 29 and high temperature air distribution mixing drum 13 makes combustion air high-speed circulating air feed, is arranged on combustion-supporting air inlet pipeline Wind-drive disc 12 between 24 and high temperature air distribution mixing drum 13 can centralized supply wind, make air be supplied to combustion barrel 29 4 uniformly Week, thus ensure the gasification, and combustion the most completely of fugitive constituent.

Described destructive gasifying combustion system 1 by the fuel in burner hearth 10 from bottom to top be divided into grieshoch 19, burning zone 20, position Dry distilling layer 21 at gas collection/airway 15 mouthfuls and be positioned at the Bunker preliminary heating zone outside gas collection/airway 15；Described collection Gas/airway 15 is internal is destructive gasifying chamber 9, and described combustion barrel 29 is internal is combustion chamber 6.

The dry distilling air inlet pipeline 25 to dry distilling layer 21 air feed it is provided with on described body of heater 2；On described dry distilling air inlet pipeline 25 More than one is set respectively to burning zone 20 and the air outlet 28 of dry distilling layer 21 air feed；Described air outlet 28 dips down in negative angle Tiltedly arrange, due to fuel or ashes self gravitation reason, fuel or ashes can be prevented to be redirected back into destructive gasifying pipeline 25, described Gas collection/airway 15 is inserted in fuel bed for many share splits fork formula, and large-scale heating boiler is large-minded, and many share splits fork formula can Quickly gas collection or inducing QI.When needs are banked up a fire, available fire banking-up board 30 replaces cumulative umbrella 11, it is achieved smokelessly bank up a fire.

It is positioned on the combustion-supporting air inlet pipeline 24 of described body of heater 2 and is provided with heating fin 41, combustion-supporting air inlet pipeline 24 sets Putting heating wing or heating plate can increase heating surface area, during air intake, air rapidly pre-warming heats up, and improves and helps described in the thermal efficiency It is provided with blast regulator on the combustion-supporting air inlet 7 of combustion air inlet pipeline 24, the size in air feed mouth of pipe footpath can be adjusted easily, thus Control the regulation of intake.The shoot door for clearing up disc type many backhauls heat exchanger 3 internal dust it is additionally provided with on described body of heater 2 5, the easy cleaning when dust accumulation is too much.It is provided with connection burner hearth on described body of heater 2 sidewall to be pressed into air port 31 10 times, add combustion Material mouth 8 and be positioned at the rotary shaft automatic door plate 27 at bunkering port 8, under be pressed into air port 31 and be prevented from burner hearth 10 gas concentration Time too high, the phenomenons such as detonation easily occurring, described body of heater 2 bottom is provided with water seal tank 39, it is achieved furnace sealing collects ashes, passes through Ashes enter the steam produced in water and enter burner hearth 10 internal strengthening gasification result.Gas cleaning is connected in the outlet of described chimney 4 Device, carries out purified treatment to flue gas further, it is ensured that do not produce dusty gas, clean environment firendly in whole work process.Described Smoke eliminator includes the flue gas cleaning case 32 connected with chimney 4, be arranged on flue gas cleaning case 32 screen plate 33, it is arranged on Flue gas cleaning case 32 is interior and is positioned at the fume treatment solution pool 37 below screen plate 33, is arranged on fume treatment solution pool 37 Pipeline pump 38, the spray pipeline 35 being connected on pipeline pump 38, it is connected on spray pipeline 35 and is positioned at above screen plate 33 Spray head 34 and the exhaust opening 36 being arranged on flue gas cleaning case 32, fume treatment solution can be selected for the alkaline solutions such as ammonia, It is neutralized reaction with sour gas, realizes the zero-emission of pollutant acid gas thoroughly.

During stove work, by controlling to control the burning velocity of burning zone 20 to oxygen amount, thus reach to control dry distilling and The purpose of gasification rate, each fuel bed carries out with burning and occurs alternately to change, grieshoch 19 by tipping grate clear up into Water seal tank 39, the steam of generation enters burner hearth 10 internal strengthening gasification result.Timing adds fresh fuel and supplements the combustion of Bunker Doses, by inserting the gas collection/airway 15 of dry distilling layer 21, imports high temperature air distribution mixing drum 13 by the fugitive constituent of dry distilling, with logical Cross the preheated combustion air mixed combustion that combustion-supporting air inlet 7 is come in, at flame repeat impact disc type many backhauls heat exchanger 3, Fully after heat exchange, the flue gas turned back carries out sufficient waste heat exchange, finally through " bow " shape passage of disc type many backhauls heat exchanger 3 Low-temperature flue gas after clean and abundant heat exchange is after chimney entrance flue gas cleaning case 32 carries out desulfurizing and purifying process, from exhaust opening 36 Outside discharge chamber, the crust thermal insulation cover 23 of body of heater is possible to prevent body of heater to become radiator and produces thermal loss, rotary shaft automatically-controlled door When plate 27 can prevent refuelling, flue gas leaks and thermal loss.

This utility model reaches to improve the thermal efficiency by following design, reduces the purpose of dusty gas discharge: can measure control The combustion high temperature of fuel, middle temperature, low temperature distillation, gasification, the combustion system of gas collection, by superhigh temperature resistant airway by the dry distilling of fuel After the escaping gas composition that layer produces is collected, sufficiently mixes at burner, burn, in escaping gas composition Combustible be fully burned, thus reach clean flue gas, improve the quantity of heat given up ratio of fuel, improve thermal efficiency of stoves Purpose；The high-temperature heat-gathering tray for combustion of stove, after making combustion air sufficiently be preheated, mixes with high-temperature volatile gas componant Burning, fully, calorific value is high in burning；Disc type many backhauls heat exchanger, fully absorbs the heat of flame, it is to avoid high-temperature flue gas can not be effective Utilize and cause thermal loss；The ventilation fire tube of disc type many backhauls heat exchanger uses unique crisscross design so that flue gas Circulating in " bow " font, flue gas heat exchange stroke doubles, and increases by 2 times dead time, and heat exchange area increases by 2 times, strong Ensure that the raising of exchanger heat exchanger effectiveness；Bottom of furnace body seals, thus stove overall tightness is good, thus reaches by control Air quantity processed controls the purpose of dry distillation rate, and dry distillation rate is stable, and fully, heat stability persistence is good, Heating Room in burning Comfortable.

The above embodiment is only preferred embodiment of the present utility model, and the not feasible enforcement of this utility model Exhaustive.For persons skilled in the art, on the premise of without departing substantially from this utility model principle and spirit, it is made Any obvious change gone out, within all should being contemplated as falling with claims of the present utility model.

Claims (8)

1. one kind large-scale heating hot water boiler, it is characterised in that: it includes body of heater (2), is arranged in body of heater (2) and and body of heater (2) disc type many backhauls heat exchanger (3) that water jacket is connected and the chimney (4) being arranged in disc type many backhauls heat exchanger (3)； Described disc type many backhauls heat exchanger (3) include heat exchanger top board (16), bottom plate of heat exchanger (18), by heat exchanger top board (16) sidepiece The heat exchanger coaming plate (26) that links together with bottom plate of heat exchanger (18) side seal and connect heat exchanger top board (16) with Ventilation fire tube (17) between bottom plate of heat exchanger (18)；It is provided with in described body of heater (2) and is positioned under disc type many backhauls heat exchanger (3) The destructive gasifying combustion system (1) of side；Described destructive gasifying combustion system (1) includes the combustion barrel being arranged in burner hearth (10) (29) fresh air inlet (14), being arranged on combustion barrel (29) sidewall connects with combustion barrel (29) and the collection of lower end insertion fuel bed Gas airway (15), cover at combustion barrel (29) upper port and with the cumulative umbrella (11) of through hole and to combustion barrel (29) The intake adit of air feed.

One the most according to claim 1 large-scale heating hot water boiler, it is characterised in that: described disc type many backhauls heat exchanger (3) being arranged on above stockhole, its quantity is more than one group, and many group disc type many backhauls heat exchanger (3) intervals are arranged.

One the most according to claim 2 large-scale heating hot water boiler, it is characterised in that: the many backhauls of disc type described in many groups The ventilation fire tube (17) of heat exchanger (3) is crisscross arranged in body of heater (2) in " bow " type.

One the most according to claim 3 large-scale heating hot water boiler, it is characterised in that: described combustion barrel (29) outer cover Equipped with high temperature air distribution mixing drum (13)；Clearance cavity is formed between described combustion barrel (29) and high temperature air distribution mixing drum (13) (40)；

It is provided with the wind-drive disc for connecting with combustion-supporting air inlet pipeline (24) on the barrel of described high temperature air distribution mixing drum (13) (12).

One the most according to claim 4 large-scale heating hot water boiler, it is characterised in that: described destructive gasifying combustion system (1) by the fuel in burner hearth (10) being divided into grieshoch (19), burning zone (20), be positioned at gas collection/airway (15) mouth from bottom to top The dry distilling layer (21) located and the Bunker preliminary heating zone being positioned at gas collection/airway (15) outside；In described gas collection/airway (15) Portion is destructive gasifying chamber (9), and described combustion barrel (29) is internal is combustion chamber (6).

One the most according to claim 5 large-scale heating hot water boiler, it is characterised in that: described body of heater is provided with on (2) Dry distilling air inlet pipeline (25) to dry distilling layer (21) air feed；On described dry distilling air inlet pipeline (25), more than one is set respectively to combustion Burn layer (20) and the air outlet (28) of dry distilling layer (21) air feed；Described air outlet (28) downward-sloping setting in negative angle.

7. according to the one large-scale heating hot water boiler described in any one of claim 1-6, it is characterised in that: it is positioned at described body of heater (2) heating fin (41) it is provided with on the combustion-supporting air inlet pipeline (24) in；The combustion-supporting air inlet of described combustion-supporting air inlet pipeline (24) (7) blast regulator it is provided with on；

The shoot door (5) for clearing up disc type many backhauls heat exchanger (3) internal dust it is additionally provided with on described body of heater (2)；

It is provided with on described body of heater (2) sidewall under connection burner hearth (10) and is pressed into air port (31), bunkering port (8) and is positioned at and adds combustion The rotary shaft automatic door plate (27) at material mouth (8) place；

Described body of heater (2) bottom is provided with water seal tank (39).

One the most according to claim 7 large-scale heating hot water boiler, it is characterised in that: connect in described chimney (4) outlet Cigarette receiving air purifying apparatus；Described smoke eliminator includes the flue gas cleaning case (32) connected with chimney (4), to be arranged on flue gas clean The screen plate (33) of clean case (32), be arranged on flue gas cleaning case (32) in and be positioned at the fume treatment solution of screen plate (33) lower section Pond (37), the pipeline pump (38) being arranged in fume treatment solution pool (37), the spray pipeline that is connected on pipeline pump (38) (35), it is connected to spray pipeline (35) above and be positioned at the spray head (34) of screen plate (33) top and be arranged on flue gas cleaning case (32) exhaust opening (36) on.