CN202465786U - Steel wire diffusion boiling particle furnace - Google Patents

Steel wire diffusion boiling particle furnace Download PDF

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Publication number
CN202465786U
CN202465786U CN2012200767132U CN201220076713U CN202465786U CN 202465786 U CN202465786 U CN 202465786U CN 2012200767132 U CN2012200767132 U CN 2012200767132U CN 201220076713 U CN201220076713 U CN 201220076713U CN 202465786 U CN202465786 U CN 202465786U
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CN
China
Prior art keywords
furnace
fluidization
steel wire
combustion
sand
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN2012200767132U
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Chinese (zh)
Inventor
马德凡
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ZHANGJIAGANG DONGHANG MACHINERY CO Ltd
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ZHANGJIAGANG DONGHANG MACHINERY CO Ltd
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Priority to CN2012200767132U priority Critical patent/CN202465786U/en
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Publication of CN202465786U publication Critical patent/CN202465786U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a steel wire diffusion boiling particle furnace which comprises a furnace body; a feeding furnace door and a discharging furnace door are arranged at two ends of the furnace body respectively; a heating cavity is arranged in the furnace body; zircon sand or aluminum sand is placed on the bottom surface of the heating cavity; a sand return device is mounted in the furnace body; the particle furnace comprises a fluidization mechanism and a combustion mechanism; the fluidization mechanism comprises a plurality of radiant tubes arranged in parallel and at intervals; each radiant tube is horizontally arranged in the zircon sand or aluminum sand and is provided with a plurality of fluidization holes with openings facing downwards; the radiant tubes are communicated with fluidization air cases; the combustion mechanism comprises a burner mounted on the furnace body; the burner is higher than the zircon sand or aluminum sand which is boiled and is communicated with a combustion-supporting air pipe line and fuel gas pipeline in a mixed manner. The particle furnace has a reasonable structure, is safe and reliable, can accurately control the proportion of fuel and combustion-supporting air to improve the combustion efficiency of the fuel and further improve the heating efficiency of the particle furnace, and does not go out easily; and a steel wire is not contacted with flame directly, so that surface oxidation is reduced, and the quality is better.

Description

Steel wire diffusion boiling particle furnace
Technical field
The utility model relates to a kind of particle furnace, is meant a kind of steel wire diffusion boiling particle furnace especially.
Background technology
The domestic intermediate frequency electrical heater that is to use of steel cord brass plating steel wire is produced at present.External and domestic foreign capital affiliate is to use diffusion fluidized-bed (external address) heating to produce.Brass plating steel wire production is that internal layer copper facing and outer galvanized steel wire are spread and conduction heating in the zircon sand of high-boiling, make copper plate and zinc coating melt fusion fast after, obtain the brass coating steel wire.Because copper facing and zinc-plated bed thickness are with 1 to 2 micron metering; Therefore production technique and device control require accurate especially; Could realize that copper plate and zinc coating melt fusion fast, and control coating weight and copper zinc ratio accurately, and copper zinc is than the standard-required of gradient.And the furnace bottom of the boiling of steel wire diffusion at present particle furnace directly is a block plate, and the body of heater internal memory is placed with many zircon sands, and radiator tube is installed in the body of heater; Radiator tube is provided with the air outlet, and radiator tube directly inserts and connects burning pipeline and fluidisation pipeline, and the freezing air that feeds with the fluidisation pipeline after the feeding gas-fired in the burning pipeline is mixed in the radiator tube; Mixed flue gas blows out from the air outlet zircon sand type of blowing afloat pseudo boiling shape then; Steel wire passes through by the zircon sand heating in body of heater, and there are several shortcomings in right this structure: because the furnace bottom of the body of heater of present steel wire diffusion fluidizing furnace is a block plate, do not possess the accumulation of heat effect 1.; Therefore, the intravital heat of stove is prone to scatter and disappear; 2. the air that provides of fluidisation pipeline is a freezing air, needs the absorption portion heat, thereby has reduced the heating efficiency of process furnace; 3. because gas fume after burning and fluidization air enter into radiator tube together; And the air outlet limitation of size of raying pipe; Temperature in the particle furnace must reach requirement simultaneously, and flow that this just necessary accurately control flue gas and fluidization air get into and the ratio between pressure and flue gas and the fluidization air are if the flow or the pressure that enter in the radiator tube are excessive or too small; Cause gas line flame-out easily, had a strong impact on the normal use of particle furnace.The patent No. is to propose in the open file of CN 87201684U at the furnace bottom of particle furnace fuel air chamber and wind box to be set; The fuel air chamber is connected with the fuel gas bag through the combustion gas arm, and fuel air chamber and the wind box aperture on air distribution plate and tubular nozzle respectively spray into fuel gas and air in the retort.Burn though propose in the open file fuel gas and air be passed in the retort respectively; Solved the problem that causes gas line flame-out easily; But; Also there is following problem in this structure: 1. because the fuel of fuel air chamber and the air in the wind box get into retort through air distribution plate, so the ratio between fuel and the air is wayward and adjustment; 2. isolate through air distribution plate between retort and the fuel air chamber, the temperature in the retort is very high, and the indoor temperature of fuel gas also can very high (burning-point) so, is prone to very much cause security incident; 3. be placed with zircon sand or aloxite during the top of air distribution plate, when zircon sand or aloxite boiling, also can enter into the fuel air chamber, but in case after shutting down, zircon sand or aloxite can drop in the fuel air chamber, influence produced from the aperture of air distribution plate; 4. the air that gets in the wind box is the air of normal temperature, needs the absorption portion heat, thereby has reduced the heating efficiency of retort; 5. fuel and air admission also play the fluidisation to zircon sand or aloxite time the retort internal combustion, and combustion flame is in the sand, thereby have influenced efficiency of combustion; 6, combustion gas and air are burning in retort while mixing, and mixed combustion gas is insufficient, and is inhomogeneous; 7, the burning of retort inner edge mixing limit is the naked light heating to workpiece, is prone to make the workpiece oxidation; 8, only be fit to intermittent production, can not continuous production, inapplicable steel wire tempering heating; 9, owing in zircon sand or aloxite, burn, receive the restriction of temperature, pressure, flow, receive the oxide compound that produces in the production process, it is very easily flame-out to receive the restriction that produces zircon sand or aloxite powder.
The utility model content
The utility model technical problem to be solved is: a kind of quantity-produced steel wire diffusion boiling particle furnace is provided, and this particle furnace is rational in infrastructure, and is safe and reliable; Can accurately control the ratio between fuel and the combustion air, improve the efficiency of combustion of fuel, and then improve the heating efficiency of particle furnace; Be difficult for flame-out; Steel wire does not directly contact with flame, the few oxidation in surface, better quality.
The utility model another technical problem to be solved is: a kind of steel wire diffusion boiling particle furnace is provided, and this particle furnace utilizes independently fluidization air fluidisation zircon sand or aloxite, and fluidization air preheats the heat utilization efficiency height.
For solving the problems of the technologies described above, the technical scheme of the utility model is: a kind of steel wire diffusion boiling particle furnace comprises body of heater; The two ends of said body of heater are respectively equipped with charging fire door and discharging fire door; Be provided with heating chamber in the said body of heater, be placed with zircon sand or aloxite on the bottom surface of said heating chamber, in the said body of heater sand returning machine is installed; Said ion stove comprises fluidization mechanism and combustion mechanism; Said fluidization mechanism comprises the radiator tube that some parallel interval are arranged, and said every radiator tube all is horizontally set in zircon sand or the aloxite and evenly is provided with the fluidisation hole of several downwardly facing openings, and said radiator tube is communicated with the fluidization air bag; Said combustion mechanism comprises the burner that is installed on the body of heater, and the position of said burner is higher than the height after zircon sand or the aloxite boiling, and said burner mixes with combustion air pipeline and gas line and is communicated with.
As a kind of preferred scheme, said burner is installed on the side wall of furnace.
As a kind of preferred scheme, said furnace bottom is provided with the pre-warmed regenerator of fluidization air, and said regenerator is communicated between radiator tube and the fluidization air bag.
As a kind of preferred scheme, said regenerator comprises the heat storage of being processed by heat-storing material, and said heat storage is provided with several fluidization air passages that runs through heat storage, and the two ends of described fluidization air passage are communicated with radiator tube and fluidization air bag respectively.
As a kind of preferred scheme, said heat storage is to be that the gitter brick of aluminium sesquioxide is processed by material.
After having adopted technique scheme, the effect of the utility model is: because a kind of steel wire diffusion boiling particle furnace comprises body of heater; The two ends of said body of heater are respectively equipped with charging fire door and discharging fire door; Be provided with heating chamber in the said body of heater, be placed with zircon sand or aloxite on the bottom surface of said heating chamber, in the said body of heater sand returning machine is installed; Said ion stove comprises fluidization mechanism and combustion mechanism; Said fluidization mechanism comprises the radiator tube that some parallel interval are arranged, and said every radiator tube all is horizontally set in zircon sand or the aloxite and evenly is provided with the fluidisation hole of several downwardly facing openings, and said radiator tube is communicated with the fluidization air bag; Said combustion mechanism comprises the burner that is installed on the body of heater, and the position of said burner is higher than the height after zircon sand or the aloxite boiling, and said burner mixes with combustion air pipeline and gas line and is communicated with; Therefore, burner is set separately on body of heater at first, and burner and combustion air pipeline and gas line mixing connection; Ratio between combustion gas and the combustion air can be passed through combustion air pipeline and the accurate regulating and controlling of gas line so, and the position of burner is higher than zircon sand or aloxite ebullient height, so combustion flame can not hindered by zircon sand or aloxite; The powder of zircon sand or aloxite can not limit flame, thereby is difficult for stopping working, and steel wire is not heated by naked light; The few oxidation in surface, and zircon sand or aloxite pass through the fluidization air fluidisation in the radiator tube separately, whole particle furnace is rational in infrastructure; Safe and reliable; Can accurately control the ratio between fuel and the combustion air, improve the efficiency of combustion of fuel, and then improve the heating efficiency of particle furnace.
Because said furnace bottom is provided with the pre-warmed regenerator of fluidization air, said regenerator is communicated between radiator tube and the fluidization air bag again.Said regenerator comprises the heat storage of being processed by heat-storing material, and said heat storage is provided with several fluidization air passages that runs through heat storage, and the two ends of described fluidization air passage are communicated with radiator tube and fluidization air bag respectively.Therefore, regenerator is arranged on furnace bottom, so the intravital high temperature of stove can absorb by regenerator, and fluidization air can be heated during again through regenerator, and like this, the fluidization air of the process furnace of entering is exactly a high temperature air, and heat utilization efficiency is high.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the front view of the utility model embodiment;
Fig. 2 is the rear view of the utility model embodiment;
Fig. 3 is the cross-sectional schematic of Fig. 1 on the A-A direction;
Fig. 4 is the front schematic view of the heat storage of the utility model embodiment;
Fig. 5 is the cross-sectional schematic of the heat storage of the utility model embodiment;
In the accompanying drawing: 1. body of heater; 11. discharging fire door; 12. charging fire door; 13. heating chamber; 2. smoke evacuation pipeline; 3. sand returning machine; 4. fluidization mechanism; 41. regenerator; 411. heat storage; 412. fluidization air passage; 42. fluidization air bag; 43. radiator tube; 5. combustion mechanism; 51. burner; 52. gas line; 53. combustion gas bag; 54. combustion air pipeline.
Embodiment
Through specific embodiment the utility model is done further to describe in detail below.
A kind of steel wire diffusion boiling particle furnace to shown in Figure 5, comprises body of heater 1 like Fig. 1; The two ends of said body of heater 1 are respectively equipped with charging fire door 12 and discharging fire door 11, are provided with heating chamber 13 in the said body of heater 1, be placed with on the bottom surface of said heating chamber 13 in the said body of heater 1 of zircon sand or aloxite sand returning machine 3 is installed; When steel wire moved in heating chamber 13, ebullient zircon sand or aloxite can be taken to discharge end by feed end by steel wire, therefore just needed sand returning machine 3 to return with zircon sand or aloxite in the past again; The top of body of heater is provided with smoke evacuation pipeline 2; Be used for the flue gas of process furnace is discharged, said ion stove comprises fluidization mechanism 4 and combustion mechanism 5, and said fluidization mechanism 4 comprises the radiator tube 43 that some parallel interval are arranged; Said every radiator tube 43 all is horizontally set in zircon sand or the aloxite and evenly is provided with the fluidisation hole of several downwardly facing openings; Like this, vertically all arrange radiator tube 43 in the whole body of heater 1, said radiator tube 43 is communicated with fluidization air bag 42; Fluidization air enters in the radiator tube 43 and blows out the zircon sand fluidisation from the fluidisation hole; Said combustion mechanism 5 comprises the burner 51 that is installed on the body of heater 1; The position of said burner 51 is higher than the height after zircon sand or the aloxite boiling; Said burner 51 mixes with gas line 52 with combustion air pipeline 54 and is communicated with; Said gas line 52 is communicated with combustion gas bag 53, and above-mentioned combustion gas bag 53 refers to gas source and fluidization air source of the gas respectively with fluidization air bag 42.
Wherein, said burner 51 is installed on the sidewall of body of heater 1.Certainly, the position of burner 51 can also be installed in the top of body of heater 1.
Said furnace bottom is provided with the pre-warmed regenerator 41 of fluidization air, and said regenerator 41 is communicated between radiator tube 43 and the fluidization air bag 42.Said regenerator 41 comprises the heat storage of being processed by heat-storing material 411, and said heat storage 411 is to be that the gitter brick of aluminium sesquioxide is processed by material.Said heat storage 411 is provided with several fluidization air passages 412 that runs through heat storage 411; This fluidization air passage 412 is actual to be several through holes arranged in a uniform, and the two ends of described fluidization air passage 412 are communicated with radiator tube 43 and fluidization air bag 42 respectively.Fluidization air enters into fluidization air passage 412 from fluidization air bag 42; Because heat storage 411 is heated the stove radiation heating, fluidization air enters into fluidization air passage 412 and preheats, and the contact area between fluidization air and the heat storage 411 is very big; Heating fast; It is higher that fluidization air enters into the temperature of process furnace, thereby improved heat utilization efficiency, improved the heating efficiency of process furnace.
During work, combustion air and combustion gas are mixed into burning in the burner 51 by accurate ratio, and fluidization air preheats after the fluidisation hole of radiator tube 43 sprays zircon sand or aloxite fluidisation through regenerator 41; Zircon sand or aloxite boiling; Steel wire gets into from charging fire door 12, behind heating chamber 13, involves from discharging fire door 11, and meeting in service brings to discharging fire door 11 with part zircon sand or aloxite by charging fire door 12; Sand returning machine 3 returns zircon sand or aloxite, and assurance zircon sand or aloxite are not taken out of particle furnace.

Claims (5)

1. steel wire spreads the boiling particle furnace; Comprise body of heater, the two ends of said body of heater are respectively equipped with charging fire door and discharging fire door, are provided with heating chamber in the said body of heater; Be placed with zircon sand or aloxite on the bottom surface of said heating chamber; In the said body of heater sand returning machine is installed, it is characterized in that: said ion stove comprises fluidization mechanism and combustion mechanism, and said fluidization mechanism comprises the radiator tube that some parallel interval are arranged; Said every radiator tube all is horizontally set in zircon sand or the aloxite and evenly is provided with the fluidisation hole of several downwardly facing openings, and said radiator tube is communicated with the fluidization air bag; Said combustion mechanism comprises the burner that is installed on the body of heater, and the position of said burner is higher than the height after zircon sand or the aloxite boiling, and said burner mixes with combustion air pipeline and gas line and is communicated with.
2. steel wire diffusion boiling particle furnace as claimed in claim 1, it is characterized in that: said burner is installed on the side wall of furnace.
3. steel wire diffusion boiling particle furnace as claimed in claim 2, it is characterized in that: said furnace bottom is provided with the pre-warmed regenerator of fluidization air, and said regenerator is communicated between radiator tube and the fluidization air bag.
4. steel wire diffusion boiling particle furnace as claimed in claim 3; It is characterized in that: said regenerator comprises the heat storage of being processed by heat-storing material; Said heat storage is provided with several fluidization air passages that runs through heat storage, and the two ends of described fluidization air passage are communicated with radiator tube and fluidization air bag respectively.
5. steel wire as claimed in claim 4 diffusion boiling particle furnace is characterized in that: said heat storage is to be that the gitter brick of aluminium sesquioxide is processed by material.
CN2012200767132U 2012-03-02 2012-03-02 Steel wire diffusion boiling particle furnace Withdrawn - After Issue CN202465786U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200767132U CN202465786U (en) 2012-03-02 2012-03-02 Steel wire diffusion boiling particle furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200767132U CN202465786U (en) 2012-03-02 2012-03-02 Steel wire diffusion boiling particle furnace

Publications (1)

Publication Number Publication Date
CN202465786U true CN202465786U (en) 2012-10-03

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Application Number Title Priority Date Filing Date
CN2012200767132U Withdrawn - After Issue CN202465786U (en) 2012-03-02 2012-03-02 Steel wire diffusion boiling particle furnace

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102605165A (en) * 2012-03-02 2012-07-25 张家港市东航机械有限公司 Steel wire diffusion fluidized bed furnace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102605165A (en) * 2012-03-02 2012-07-25 张家港市东航机械有限公司 Steel wire diffusion fluidized bed furnace
CN102605165B (en) * 2012-03-02 2014-01-29 张家港市东航机械有限公司 Steel wire diffusion fluidized bed furnace

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20121003

Effective date of abandoning: 20140129

RGAV Abandon patent right to avoid regrant