CN106091375A

CN106091375A - A kind of gas fuel air stove

Info

Publication number: CN106091375A
Application number: CN201610610023.3A
Authority: CN
Inventors: 周锡明
Original assignee: Hangzhou Tianba Optoelectronic Technology Co Ltd
Current assignee: Hangzhou Tianba Optoelectronic Technology Co Ltd
Priority date: 2016-07-29
Filing date: 2016-07-29
Publication date: 2016-11-09

Abstract

A kind of gas fuel air stove, it includes a closed body of heater being provided with air intlet and hot-blast outlet, one it is provided with combustion gas or the burner hearth of fuel oil in body of heater, described burner hearth is made up of tubular inner bag, the leading section of tubular inner bag is connected to a circular head, and the rearward end of tubular inner bag is connected on mutually on the outer separator in body of heater and communicates with burner mounting interface；Each it is circumscribed with, by uniform multiple interfaces, the U-shaped heat conduction smoke exhaust pipe that dish is put on tubular inner bag lateral wall on tubular side wall of inner inside described circular head；It is inserted in one outside described tubular inner bag insert from U-shaped heat conduction smoke exhaust pipe opening from circular head one end and the half of U-shaped heat conduction smoke exhaust pipe is included in interior middle spacer；Cavity is collected to being provided with the flue gas connecting U-shaped heat conduction smoke exhaust pipe exhanst gas outlet between middle spacer end face in described body of heater hot-blast outlet medial wall, this flue gas collect cavity be arranged on furnace body inside wall, at least one shell-and-tube heat exchanger in heat exchanger tube connect.

Description

A kind of gas fuel air stove

Technical field

The present invention relates to a kind of gas fuel air stove, be primarily adapted for use in the equipment use such as dry fruit parch, food baking, Belong to drying heating equipment technical field.

Background technology

Existing traditional air stove is a kind of equipment that the cold wind of input is become hot blast output by heat exchange, and it is logical The medium crossed in heating combustion tube heats the cold air entering body of heater from cold air inlet indirectly, and heated air is finally from warm Air port exports outside stove, although this air stove can use multiple combustion medium source, such as coal-fired, fuel oil or combustion gas etc., produces Hot-air more clean, will not mix generation with heat smoke and pollute, but the heat of this Combustion of Hot Air Furnace generation is handed over by heat After the indirect heating cold air of parallel operation becomes hot-air, the thermal efficiency is the lowest, and it main reason is that unreasonable structure, heat transfer effect Poor, the hot-air capacity therefore obtained by heat exchanger is little, and the temperature of hot-air is the most not high enough, and this needs big for some Capacity, high-temperature hot-air equipment for, such as dry fruit roasted seeds and nuts, food drying equipment etc., it is difficult to meet needs.

Summary of the invention

It is an object of the invention to the deficiency overcoming prior art to exist, and provide a kind of rational in infrastructure, compact, user Just, reliably, heat exchange efficiency is high, and environmental pollution is little, can substantially meet Large Copacity, the gas fuel hot blast of high-temperature hot-air demand Stove.

It is an object of the invention to complete by following technical solution, a kind of gas fuel air stove, it includes that one sets It is equipped with the closed body of heater of air intlet and hot-blast outlet, is provided with one with the combustion type burner hearth of gas apparatus in body of heater, described Burner hearth be made up of tubular inner bag, the leading section of tubular inner bag is connected to a circular head, and the rearward end of tubular inner bag is connected on mutually Communicate on outer separator in body of heater and with gas apparatus mounting interface；By all on tubular side wall of inner inside described circular head Multiple interfaces of cloth are each circumscribed with the U-shaped heat conduction smoke exhaust pipe that dish is put on tubular inner bag lateral wall, and described U-shaped heat conduction smoke evacuation Pipe is inclusive in the outer separator of open at one end；Described tubular inner bag is outer has been inserted in one from U-shaped heat conduction from circular head one end Smoke exhaust pipe opening inserts and the half of U-shaped heat conduction smoke exhaust pipe is included in interior middle spacer, and in this, spacer is installed near gas apparatus Open at one end, the other end is provided with draws the warm-air pipe being placed in hot-blast outlet outside body of heater by heat exchange air；Described body of heater heat Cavity is collected to being provided with flue gas connect U-shaped heat conduction smoke exhaust pipe exhanst gas outlet between middle spacer end face in wind outlet medial wall, this Flue gas collect cavity be arranged on furnace body inside wall, at least one shell-and-tube heat exchanger in heat exchanger tube connect；Described shell Air intlet and the air outlet slit of a connection body of heater inner chamber of a connection space outerpace it is respectively arranged with on the housing of formula heat exchanger.

As preferably: placed separately by upper cover plate and lower cover between described lower furnace portion outer separator and the shell body of body of heater Have a heat transfer space, be mounted with in this heat transfer space upper and lower two-layer, every layer include one by logical flue gas many uniform be set withs, interior The shell-and-tube heat exchanger of thin-walled heat exchanger tube composition, thin-walled heat exchanger tube one end of its shell-and-tube heat exchanger at the middle and upper levels is communicated in flue gas Collecting cavity, the other end connects at side end with thin-walled heat exchanger tube one end of lower floor's shell-and-tube heat exchanger, and this lower floor's shell-and-tube changes The thin-walled heat exchanger tube other end of hot device is connect and discharged gas fume by pipe；The lower bottom part side of described heat transfer space is provided with outside connection The air intlet in space, portion, and be provided with at the heat transfer space upper top of opposite side and make heat exchange air enter outer separator peripheral space Intercommunicating pore or hole slot；The middle front part of described tubular inner bag is radially arranged the through hole pipe of at least two arranged crosswise, and logical The mouth of pipe of hole pipe is respectively communicated with in the space outside tubular inner bag and in middle spacer.

As preferably: described body of heater is the top cuboid with sealing upper cover, is coated with inside the shell body of body of heater Heat-insulation layer, bottom of furnace body is provided with and is placed in ground at least four leg；The burning that the rearward end of described tubular inner bag communicates Device mounting interface has an adpting flange；In the combustion head mounting interface of described burner, the burning shower nozzle of its head stretches at cylinder In shape inner bag；The afterbody of burner connects gas fuel source by adapter；Septum put connect warm-air pipe concatenation or also It is connected to the blower fan drawn in body of heater by hot blast；Described shell-and-tube heat exchanger has upper and lower two-layer horizontal length of bottom in body of heater In cube heat transfer space, and occupy the interior bottom of whole body of heater, the sky that the heat transfer space lower cover of described lower portion of furnace body is arranged The air inlet that gas import is made up of a plurality of bar shape trench hole being perpendicular to thin-walled heat exchanger tube or multiple small sircle hole forms.

The present invention has rational in infrastructure, compact, easy to use, reliable, and heat exchange efficiency is high, and environmental pollution is little, can substantially expire The foot feature such as Large Copacity, high-temperature hot-air demand.

Accompanying drawing explanation

Fig. 1 is the horizontal type structure schematic diagram of the present invention.

Fig. 2 is the A-A sectional view of Fig. 1.

Detailed description of the invention

Below in conjunction with accompanying drawing, the present invention will be described in detail: Fig. 1, shown in 2, a kind of gas fuel of the present invention Air stove, it includes a closed body of heater 3 being provided with air intlet 1 and hot-blast outlet 2, is provided with one with combustion in body of heater 3 The burner hearth of burner, described burner hearth is made up of tubular inner bag 4, and the leading section of tubular inner bag 4 is connected to a circular head 5, tubular The rearward end of inner bag 4 is connected on mutually on the outer separator 6 in body of heater 3 and communicates with burner mounting interface 7；In described circular head 5 On tubular inner bag 4 sidewall of side by uniform multiple interfaces 8 be each circumscribed with that dish puts on tubular inner bag 4 lateral wall U-shaped Heat conduction smoke exhaust pipe 9, and described U-shaped heat conduction smoke exhaust pipe 9 is inclusive in the outer separator 6 of open at one end；Outside described tubular inner bag 4 It is inserted in one insert from U-shaped heat conduction smoke exhaust pipe 9 opening from circular head 5 one end and the half of U-shaped heat conduction smoke exhaust pipe 9 be included in Interior middle spacer 10, the open at one end that in this, spacer 10 is installed near burner, the other end is provided with draws stove by heat exchange air The warm-air pipe 11 of hot-blast outlet 2 it is placed in outside body 3；Described body of heater hot-blast outlet 2 medial wall is arranged between middle spacer 10 end face Having the flue gas connecting U-shaped heat conduction smoke exhaust pipe 9 exhanst gas outlet to collect cavity 12, this flue gas collects cavity 12 and is arranged on sidewall of the furnace body On, heat exchanger tube 14 at least one shell-and-tube heat exchanger 13 connects；It is respectively provided with on the housing of described shell-and-tube heat exchanger 13 The air intlet 1 having a connection space outerpace connects the air outlet slit 15 of body of heater inner chamber with one.

Shown in figure, by upper cover plate 17 and lower cover between described lower furnace portion outer separator 6 and the shell body 16 of body of heater 3 Plate 18 is placed separately a heat transfer space, be mounted with in this heat transfer space upper and lower two-layer, every layer include one by many uniform be set withs, In the shell-and-tube heat exchanger 13 of thin-walled heat exchanger tube 14 composition of logical flue gas, the thin-walled heat exchanger tube of its shell-and-tube heat exchanger 13 at the middle and upper levels 14 one end are communicated in flue gas and collect thin-walled heat exchanger tube 14 one end of cavity 12, the other end and lower floor's shell-and-tube heat exchanger 13 at side Portion 19 connects, and thin-walled heat exchanger tube 14 other end of this lower floor's shell-and-tube heat exchanger 13 connects 20 and discharged gas fume by pipe；Described change The lower bottom part side of heat space is provided with the air intlet 1 of connection space outerpace, and sets at the heat transfer space upper top of opposite side It is equipped with the air outlet slit 15 being made up of intercommunicating pore or hole slot making heat exchange air enter outer separator 6 peripheral space；In described tubular The middle front part of gallbladder 4 is radially arranged the through hole pipe 21 of at least two arranged crosswise, and the mouth of pipe of through hole pipe 21 is respectively communicated with In space 22 outside tubular inner bag 4 and in middle spacer 10.

Body of heater 3 of the present invention is the top rectangular housing with sealing upper cover 23, wraps inside the shell body 16 of body of heater 3 It is covered with heat-insulation layer 24, is provided with bottom body of heater 3 and is placed in ground at least four leg 25；The rearward end of described tubular inner bag 4 The burner mounting interface 7 communicated is circumscribed with an adpting flange 26；In the combustion head mounting interface 7 of described burner, burning Head stretches in tubular inner bag 4；The afterbody of burner connects gas fuel source by adapter；The heat connected on septum set 10 Airduct 11 is concatenated by external adpting flange 27 or and is connected to the blower fan drawn in body of heater 3 by hot blast；Described shell-and-tube Heat exchanger 13 has upper and lower two-layer horizontal in the cuboid heat transfer space of bottom in body of heater 3, and occupy whole body of heater 3 interior under Portion, the air intlet that the heat transfer space lower cover 18 of described body of heater 3 bottom is arranged is perpendicular to outside thin-walled heat exchanger tube by many Space composition inlet channel.

The work process of the present invention is: shown in Fig. 1, and extraneous air enters body of heater from the air intlet 1 of body of heater 3 left lower In lower floor's shell-and-tube heat exchanger 13 housing in 3, through with thin-walled heat exchanger tube 14 heat exchange in lower floor shell-and-tube heat exchanger 13 after, Enter back in upper strata shell-and-tube heat exchanger 13 with thin-walled heat exchanger tube 14 heat exchange, add hot-air further；From upper strata pipe shell type heat exchange Device 13 out after heat exchange air enter in shell body 16 from air intake passage 15, more spacious from one end of outer separator 6 and middle interlayer 10 Mouth enters, and carries out heat exchange with U-shaped heat conduction smoke exhaust pipe 9, and after heat absorption, hot-air further heats up further, and from hot-air mouth 2 Discharge hot-air.The present invention generally can be controlled by the air-introduced machine of external connection, can regulate quantity of hot air and the heat of air-out The temperature of air.

Claims

1. a gas fuel air stove, it includes a closed body of heater being provided with air intlet and hot-blast outlet, in body of heater It is provided with one with combustion gas or the burner hearth of fuel oil, it is characterised in that described burner hearth is made up of tubular inner bag, before tubular inner bag End is connected to a circular head, the rearward end of tubular inner bag be connected on mutually on the outer separator in body of heater and with burner mounting interface Communicate；Each it is circumscribed with dish by uniform multiple interfaces on tubular side wall of inner inside described circular head to put in tubular U-shaped heat conduction smoke exhaust pipe on gallbladder lateral wall, and described U-shaped heat conduction smoke exhaust pipe is inclusive in the outer separator of open at one end；Described Tubular inner bag outer be inserted in one from circular head one end and insert and by U-shaped heat conduction smoke exhaust pipe from U-shaped heat conduction smoke exhaust pipe opening Half is included in interior middle spacer, the open at one end that in this, spacer is installed near gas apparatus, and the other end is provided with heat exchange air Draw the warm-air pipe being placed in hot-blast outlet outside body of heater；Described body of heater hot-blast outlet medial wall is provided with between middle spacer end face The flue gas connecting U-shaped heat conduction smoke exhaust pipe exhanst gas outlet collects cavity, this flue gas collect cavity be arranged on furnace body inside wall, Heat exchanger tube connection at least one shell-and-tube heat exchanger；It is respectively arranged with on the housing of described shell-and-tube heat exchanger outside a connection The air intlet in space and the air outlet slit of a connection body of heater inner chamber.

Gas fuel air stove the most according to claim 1, it is characterised in that described lower furnace portion outer separator and body of heater Shell body between by upper cover plate with lower cover is placed separately a heat transfer space, be mounted with in this heat transfer space upper and lower two-layer, Every layer includes a shell-and-tube heat exchanger being made up of the thin-walled heat exchanger tube of logical flue gas many uniform be set withs, interior, and it is managed at the middle and upper levels Thin-walled heat exchanger tube one end of shell heat exchanger is communicated in flue gas and collects cavity, and the other end changes with the thin-walled of lower floor's shell-and-tube heat exchanger Heat pipe one end connects at side end, and the thin-walled heat exchanger tube other end of this lower floor's shell-and-tube heat exchanger is connect and discharged gas fume by pipe； The lower bottom part side of described heat transfer space is provided with the air intlet of connection space outerpace, and pushes up on the heat transfer space of opposite side Portion is provided with intercommunicating pore or the hole slot making heat exchange air enter outer separator peripheral space；The middle front part of described tubular inner bag radially sets It is equipped with the through hole pipe of at least two arranged crosswise, and the mouth of pipe of through hole pipe is respectively communicated with outside tubular inner bag and in middle spacer In space.

Gas fuel air stove the most according to claim 1 and 2, it is characterised in that described body of heater is that top is with sealing The cuboid of upper cover, the shell body of body of heater is coated with heat-insulation layer, and bottom of furnace body is provided with and is placed in ground at least four and props up Foot；The burner mounting interface that the rearward end of described tubular inner bag communicates is circumscribed with an adpting flange；The burning of described burner Head is installed in the interface, and its combustion head stretches in tubular inner bag；The afterbody of burner connects gas fuel source by adapter；Institute State the warm-air pipe concatenation connected on spacer or and be connected to the blower fan drawn in body of heater by hot blast；Described shell-and-tube heat exchanger There is upper and lower two-layer horizontal in the cuboid heat transfer space of bottom in body of heater, and occupy the interior bottom of whole body of heater, described body of heater The air intlet arranged on the heat transfer space lower cover of bottom is formed air inlet by the many spaces being perpendicular to outside thin-walled heat exchanger tube and leads to Road.