CN203704016U

CN203704016U - Boiler device with functions of hot air supply, smoke purification and waste heat recovery

Info

Publication number: CN203704016U
Application number: CN201320583661.2U
Authority: CN
Inventors: 唐绍华
Original assignee: Shandong Li Desi Energy-Conserving And Environment-Protective Science And Technology Ltd
Current assignee: Shandong Li Desi Energy-Conserving And Environment-Protective Science And Technology Ltd
Priority date: 2013-09-22
Filing date: 2013-09-22
Publication date: 2014-07-09
Anticipated expiration: 2023-09-22

Abstract

The utility model discloses a boiler device with functions of hot air supply, smoke purification and waste heat recovery. The boiler device comprises a smoke purification and waste heat recovery tank body, wherein an inner cavity of the smoke purification waste heat recovery tank body is divided into a straight smoke passage and a heat exchange cavity; a smoke partition board is arranged in the straight smoke passage; a smoke exhaust pipe is mounted at the rear of the straight smoke passage; the heat exchange cavity is divided into a first heat exchange cavity and a second heat exchange cavity; smoke heat exchange pipes which allow the smoke to pass and are arranged vertically are mounted at the upper part inside the first heat exchange cavity, a lower partition board is mounted at the lower part of the first heat exchange cavity and spaces the bottom of the first heat exchange cavity into a dustfall funnel chamber, tops of the smoke heat exchange pipes penetrate through an upper partition board, and bottoms of the smoke heat exchange pipes penetrate through the lower partition board; and an air inlet is connected with the front side of the bottom of the smoke purification and waste heat recovery tank body; smoke heat exchange pipes penetrate through the second heat exchange cavity; a dust accumulation funnel is further mounted at the bottom of the second heat exchange cavity; and a smoke exhaust pipe is further mounted on the side wall of the dust accumulation funnel. The boiler device has the advantages that residual smoke heat is absorbed to the utmost extent, the smoke emission pollution is little, and fuel is saved.

Description

Boiler heat supplying wind, clean cigarette, waste-heat recovery device

Technical field

The utility model relates to a kind of boiler heat supplying wind, clean cigarette, waste-heat recovery device.

Background technology

Boiler, as heating steam supply equipment, is widely used in daily life and industrial production.Existing boiler, especially medium small boiler, its flue gas mostly adopts in line mode, i.e. and the flue gas that boiler combustion produces is directly discharged through chimney, and the large heat of dust concentration of flue gas is high, and the dust in flue gas and oxysulfide can cause serious pollution to environment; In addition, in flue gas, also carry a large amount of heats, caused the energy flow fuel availability of becoming estranged to reduce, thereby not only contaminated environment but also increased production cost.

Utility model content

The utility model provides a kind of effectively purifying smoke for the problems referred to above and makes full use of the boiler heat supplying wind of waste heat in flue gas, clean cigarette, waste-heat recovery device.

In order to solve the problems of the technologies described above, the utility model provides a kind of boiler heat supplying wind of following structure, clean cigarette, waste-heat recovery device, it comprises the clean cigarette waste heat recovery casing being connected with boiler chimney by smoke-intake pipe, clean cigarette waste heat recovery cabinets cavity is divided into flue gas straight channel and heat exchanging chamber by top spacer from top to bottom by it, in flue gas straight channel, be provided with and can drive by its separation and by power set the flue gas dividing plate rotating, smoke exhaust pipe is equipped with at the rear portion of flue gas straight channel, its design feature is: in heat exchanging chamber, after going to, be divided into the first heat exchanging chamber and the second heat exchanging chamber, flue gas dividing plate is positioned at the upper center of the first heat exchanging chamber, the first heat exchanging chamber internal upper part is equipped with the flue gas heat exchange tube passing through for flue gas and vertically arrange, the lower partition that both sides are connected with the sidewall of the first heat exchanging chamber is equipped with in bottom, the bottom interval of the first heat exchanging chamber is become dust fall funnel chamber by lower partition, the top of flue gas heat exchange tube is through top spacer, bottom is through lower partition, the front side, bottom of clean cigarette waste heat recovery casing is connected with the blast pipe being communicated with heat exchanging chamber, described the second heat exchanging chamber is also coated with top and stretches out the flue gas heat exchange tube of top spacer, the laying dust funnel being communicated with the flue gas heat exchange tube bottom in the second heat exchanging chamber is also equipped with in the bottom of the second heat exchanging chamber, smoke exhaust pipe is also housed on the sidewall of laying dust funnel.

Described flue gas heat exchange tube is that seamless steel pipe or earthenware and its outer surface are connected with heat-dissipating fin.

Before and after in described the first heat exchanging chamber, interval is provided with the upper and lower staggered blast fence of polylith, and each blast fence is partitioned into the first heat exchanging chamber inner chamber the roundabout runner flowing through for air.

Three blast fences are set in the first heat exchanging chamber, and a middle blast fence is stretched under wall top, the chamber of the first heat exchanging chamber, and the blast fence of both sides is stretched on the chamber of the first heat exchanging chamber wall bottom.

Adopt after said structure, in clean cigarette waste heat recovery casing, be provided with the first heat exchanging chamber and the second heat exchanging chamber, both can provide preheating for the air supply line of boiler distinguished and admirable, can fully guarantee again the absorption of fume afterheat, avoided waste and reduced the pollution to environment, and whole apparatus structure is simple, easy to operate, heat exchange efficiency is high, good purification.And can change flue gas dividing plate according to the situation of discharging flue gas, thereby change in real time the glide path of flue gas, guarantee smoke discharging effect.

In sum, the utlity model has and absorb to greatest extent fume afterheat, soot emissions and pollute less and fuel-saving advantageous effect.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of embodiment of the present utility model;

Fig. 2 is the schematic diagram along A-A line is analysed and observe in Fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail:

As shown in drawings, boiler heat supplying wind provided by the utility model, clean cigarette, waste-heat recovery device comprises the clean cigarette waste heat recovery casing 2 being connected with boiler chimney by smoke-intake pipe 1, clean cigarette waste heat recovery casing 2 inner chambers are divided into flue gas straight channel 6 and heat exchanging chamber 7 by top spacer 4 from top to bottom by it, in flue gas straight channel 6, be provided with and can drive by its separation and by power set the flue gas dividing plate 8 rotating, smoke exhaust pipe 14 is equipped with at the rear portion of flue gas straight channel 6, as a kind of specific constructive form that drives flue gas dividing plate, can take following structure, the middle part of flue gas dividing plate 8 is hinged on by hinge on the inwall of flue gas straight channel 6, handle reverse by its sidepiece overturns flue gas dividing plate 8, also can adopt the bottom-hinged of flue gas dividing plate 8 on the inwall of flue gas straight channel 6, by change-over switch, flue gas dividing plate 8 is overturn, in described heat exchanging chamber 7, after going to, be divided into the first heat exchanging chamber 71 and the second heat exchanging chamber 72, flue gas dividing plate 8 is positioned at the upper center of distinguished and admirable Heat Room 21, the first heat exchanging chamber 71 internal upper parts are equipped with the flue gas heat exchange tube 3 passing through for flue gas and vertically arrange, lower partition 5 is equipped with in bottom, the bottom interval of bottom the first heat exchanging chamber 71 is become dust fall funnel chamber 23 by lower partition, thereby can regularly the dust fall of flue gas regularly be discharged, the top of flue gas heat exchange tube 3 is through top spacer 4, bottom is through lower partition 5, the bottom of clean cigarette waste heat recovery casing 2 is provided with the blast pipe 9 being communicated with heat exchanging chamber 7, in described the second heat exchanging chamber 72, be also coated with top and stretch out top spacer 4, bottom passes the flue gas heat exchange tube 3 of hydroecium bottom, laying dust funnel 13 is also equipped with in the bottom of the second heat exchanging chamber 72, laying dust funnel 13 can adopt funnel structure, also can adopt the square box structure shown in figure, its objective is that the dust guaranteeing in flue gas is fully scattered, clean cigarette waste heat recovery casing 2 is all stretched out in the bottom of dust fall funnel chamber 23 and laying dust funnel 13, it is the diapire of lower partition 5 and clean cigarette waste heat recovery casing 2, between sidewall and dust fall funnel chamber 23 and the outer surface of laying dust funnel 13, surround air inlet duct, above-mentioned blast pipe 9 is connected to the sidewall bottom of this air inlet duct.Above-mentioned flue gas heat exchange tube 3 is connected with heat-dissipating fin for seamless steel pipe or earthenware and its outer surface, and heat-dissipating fin can be arranged on the spiral heat dissipation fin on flue gas heat exchange tube 3 for spiral, also can be for being periphery on flue gas heat exchange tube 3 and the fin of vertical setting.

As depicted in figs. 1 and 2, described the first interval, the interior front and back of heat exchanging chamber 71 is provided with the upper and lower staggered blast fence 19 of polylith, each blast fence 19 is partitioned into the first heat exchanging chamber 71 inner chambers the roundabout runner flowing through for air, arrow line shown in Fig. 1 is the glide path of air, in figure, be provided with three blast fences 19, a middle blast fence 19 is stretched under wall top, the chamber of heat exchanging chamber 7, the blast fence 19 of both sides is stretched on the chamber of heat exchanging chamber wall bottom, four even more polylith blast fences 19 also can be set according to demand, its objective is and order about roundabout the moving ahead of air bending, thereby guarantee the air time of staying and heat exchanger time to greatest extent, air is after blast pipe 9 enters, first from air inlet duct and dust fall funnel chamber 23, laying dust funnel 13 carries out heat exchange, then in air intake passage enters heat exchanging chamber 7, flue gas heat exchange tube 3 in the second heat exchanging chamber 72 and in it carries out after heat exchange, air is at the interior upper and lower roundabout roundabout runner of process of the first heat exchanging chamber 71, thereby make distinguished and admirable and flue gas heat exchange tube 3 carry out sufficient heat exchange, finally enter on boiler air supply line from discharge pipe 10.The smoke exhaust pipe 14 that stretches out clean cigarette waste heat recovery casing 2 is also equipped with in the bottom of laying dust funnel 13.

The above is specific constructive form of the present utility model; the utility model is not restricted to the described embodiments; the art personnel, the equivalent variations based on concrete structure on the utility model and parts are replaced all in protection domain of the present utility model.

Claims

1. a boiler heat supplying wind, clean cigarette, waste-heat recovery device, comprise the clean cigarette waste heat recovery casing (2) being connected with boiler chimney by smoke-intake pipe (1), clean cigarette waste heat recovery casing (2) inner chamber is divided into flue gas straight channel (6) and heat exchanging chamber (7) by top spacer (4) from top to bottom by it, in flue gas straight channel (6), be provided with and can drive by its separation and by power set the flue gas dividing plate (8) rotating, smoke exhaust pipe (14) is equipped with at the rear portion of flue gas straight channel (6), it is characterized in that: in described heat exchanging chamber (7), after going to, be divided into the first heat exchanging chamber (71) and the second heat exchanging chamber (72), flue gas dividing plate (8) is positioned at the upper center of the first heat exchanging chamber (71), the first heat exchanging chamber (71) internal upper part is equipped with the flue gas heat exchange tube (3) passing through for flue gas and vertically arrange, the lower partition (5) that both sides are connected with the sidewall of the first heat exchanging chamber (71) is equipped with in bottom, the bottom interval of the first heat exchanging chamber (71) is become dust fall funnel chamber (23) by lower partition (5), the top of flue gas heat exchange tube (3) is through top spacer (4), bottom is through lower partition (5), the front side, bottom of clean cigarette waste heat recovery casing (2) is connected with the blast pipe (9) being communicated with heat exchanging chamber (7), described the second heat exchanging chamber (72) is also coated with top and stretches out the flue gas heat exchange tube of top spacer (4) (3), the laying dust funnel (13) being communicated with flue gas heat exchange tube (3) bottom in the second heat exchanging chamber (72) is also equipped with in the bottom of the second heat exchanging chamber (72), smoke exhaust pipe (14) is also housed on the sidewall of laying dust funnel (13).

2. boiler heat supplying wind as claimed in claim 1, clean cigarette, waste-heat recovery device, is characterized in that: described flue gas heat exchange tube (3) is connected with heat-dissipating fin for seamless steel pipe or earthenware and its outer surface.

3. boiler heat supplying wind as claimed in claim 1 or 2, clean cigarette, waste-heat recovery device, it is characterized in that: before and after in described the first heat exchanging chamber (71), interval is provided with the upper and lower staggered blast fence (19) of polylith, and each blast fence (19) is partitioned into the first heat exchanging chamber (71) inner chamber the roundabout runner flowing through for air.

4. boiler heat supplying wind as claimed in claim 3, clean cigarette, waste-heat recovery device, it is characterized in that: three blast fences (19) are set in described the first heat exchanging chamber (71), a middle blast fence (19) is stretched under the wall top, chamber of the first heat exchanging chamber (71), and the blast fence (19) of both sides is stretched on the chamber of the first heat exchanging chamber (71) wall bottom.