CN109179402A - A kind of energy-saving graphite high-temperature expansion furnace system - Google Patents
A kind of energy-saving graphite high-temperature expansion furnace system Download PDFInfo
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- CN109179402A CN109179402A CN201811303383.4A CN201811303383A CN109179402A CN 109179402 A CN109179402 A CN 109179402A CN 201811303383 A CN201811303383 A CN 201811303383A CN 109179402 A CN109179402 A CN 109179402A
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- C01—INORGANIC CHEMISTRY
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a kind of energy-saving graphite high-temperature expansion furnace systems, comprising: feeding system, combustion system, graphite expansion furnace and solid gas separation system.Graphite expansion furnace includes external furnace body (11), the thermal insulation layer (14) formed between burner hearth and burner hearth and external furnace body (11), burner hearth includes the vertical type burner hearth (12) upwardly extended from external furnace body (11) bottom wall and is connected to spiral burner hearth (13) with vertical type burner hearth (12), wherein, vertical type burner hearth (12) includes the under shed being connected to combustion system, the upper opening that is connected to spiral burner hearth (13) and it is set to the feed inlet (125) that vertical type burner hearth (12) bottom is connected to feeding system, external furnace body (11) bottom is provided with discharge port (110), spiral burner hearth (13) is connected to by discharge port (110) with solid gas separation system.The system is beneficial to energy conservation, efficiently and improves the output capacity of expanded graphite.
Description
Technical field
The present invention relates to graphite expansion technical field more particularly to a kind of graphite high-temperature expansion furnace systems.
Background technique
Expanded graphite is a kind of New type atom formed after graphite layers are inserted into foreign substance, compound on molecular scale
Material, it has also become new developing direction in graphite industry.It had both remained the excellent physicochemical property of graphite, simultaneously because carbon atom
Plane and insertion substance interaction, produce a series of new physicochemical properties, as high conductivity, superconductivity, catalyst property,
Hydrogen storage property etc..Through expanded graphite appearance made from high-temperature expansion similar to worm, macroscopic property is stablized, and has very big ratio
Surface area and pore structure abundant, can be used as the adsorbent material of the organic pollutants such as oil.The graphite paper made of expanded graphite,
Plate, band and various seal members have excellent compressibility, resilience and flexibility, are widely used in petroleum, chemical industry, smelting
The sciemtifec and technical spheres such as gold, aerospace and nuclear reactor.
The production method and its device of existing graphite expansion are mostly to burn natural gas, liquefied gas or fuel oil as heating
Source also has minority to pass to electric current as heating source using heating wire or Elema.But the latter is due in structure, process,
In the presence of starting warm-up time long, furnace temperature cannot at any time, convenient adjustment (causing poor product quality), energy consumption is high, heating wire and silicon-carbon
The disadvantages of stick service life is short；Although relatively advanced on the former heating method, due to furnace construction, combustion chamber and furnace
Thorax is that separated and burner hearth is nearly all the straight tube (and very long) being relatively large in diameter, thus, there is also when such as heating reaches temperature
Between long (generally 1-3 hours), energy consumption is high (with regard to 160-180 kgs/tonne of product general for liquefied gas), heat utilization efficiency is low, hot
The disadvantages of loss is big, furnace body is big, investment is big.
Therefore it provides a kind of furnace temperature heating-up time is short, long service life, temperature adjustment is quick, reduces energy consumption, improves heat utilization efficiency
Graphite high-temperature expansion furnace system be those skilled in the art's urgent problem.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of energy-saving graphite high-temperature expansion furnace system, the systems
The furnace temperature heating-up time is short, long service life, temperature adjustment is quick, reduces energy consumption, improves heat utilization efficiency.
According to an aspect of the present invention, a kind of energy-saving graphite high-temperature expansion furnace system is provided, comprising: feeding system,
Combustion system, the graphite expansion furnace being connected respectively with feeding system, combustion system, the solid gas segregative line being connected with graphite expansion furnace
System.Wherein, graphite expansion furnace include formed between external furnace body, the burner hearth and burner hearth and external furnace body being set in external furnace body every
Thermosphere, burner hearth include the vertical type burner hearth upwardly extended from external furnace body bottom wall and are connected to vertical type burner hearth and surround vertical type
Hearth outer wall downward spiral extend spiral burner hearth, wherein vertical type burner hearth include under shed be connected to combustion system, and
The upper opening and be set to the feed inlet that vertical type burner hearth bottom is connected to feeding system that spiral burner hearth is connected to, external furnace body bottom
Portion is provided with discharge port, and spiral burner hearth is connected to by discharge port with solid gas separation system.Combustion system passes through vertical type burner hearth
Under shed spray into the combustion gas of burning into vertical type burner hearth, feeding system is by feed inlet to being blown into stone inside vertical type burner hearth
The high-temperature flue gas that ink, graphite and fuel gas buring generate, vertical type burner hearth, spiral burner hearth, graphite are flowed through with high-temperature flue gas jointly
Expanded graphite is generated under high-temperature flue gas effect, expanded graphite enters solid gas separation system by discharge port with flue gas, in solid gas
Expanded graphite is separated with flue gas under the effect of gravity in separation system, and recycling obtains expanded graphite.
Selectively, feeding system include feed bin, the feed screw that is connected with feed bin, feed screw passes through feed pipe
It is connected to the feed inlet of graphite expansion furnace, feeding fan is provided on feed pipe.
Selectively, combustion system includes fuel gas supply equipment and the spray that is connected to by fuel gas conduit with fuel gas supply equipment
Gas igniter, jet igniter are set to the lower opening of graphite expansion furnace, the first valve are provided in fuel gas conduit.
Selectively, solid separation system includes level-one solid-gas separator and is set to level-one solid-gas separator bottom
Closed discharger, level-one solid-gas separator are connected to by discharge nozzle with the discharge port of graphite expansion furnace.
Selectively, solid gas separation system further comprises the second level being connected with level-one solid-gas separator by the branch pipe that discharges
Solid-gas separator is provided with discharging blower and the second valve on the branch pipe that discharges.
Selectively, solid separation system further comprises that the solia particle being connected with the bottom of the second solid-gas separator returns
Return pipe, solia particle recurrent canal is connected to discharge nozzle returns to discharge nozzle weight with the solia particle for isolating the second solid-gas separator
New recycling.
Selectively, gas vent is provided at the top of second level solid-gas separator.
Selectively, the discharge port of neighbouring graphite expansion furnace is provided with scummer on discharge nozzle.
Selectively, the spiral burner hearth of graphite expansion furnace recline vertical type hearth outer wall extend spirally downwards and with it is upright
Formula burner hearth links into an integrated entity, the junction of vertical type burner hearth and spiral burner hearth, and the outer wall of vertical type burner hearth is spiral burner hearth
Inner wall, wherein spiral burner hearth is enclosed around vertical type hearth outer wall 2~5.
It selectively, further comprise thermometric and display device, thermometric and display device include the spiral shell with graphite expansion furnace
The display end of the outside of the thermometric end and external furnace body for extending graphite expansion furnace of rotating hearth outer wall connection.
Advantageous effect of the invention are as follows:
The chamber design of the graphite expansion furnace of energy-saving graphite high-temperature expansion furnace system of the invention is reasonable, it is compact-sized,
Straight bent combination, wherein the outer wall of vertical type burner hearth while the internal partial wall as spiral burner hearth save casting burner hearth institute
Steel are needed, investment needed for production equipment has been saved.
Energy-saving graphite high-temperature expansion furnace system of the invention passes through air quantity to feeding fan and discharging blower synergistic effect
Reasonable distribution make entirely expand furnace system in wind pressure and expansion furnace in material be in optimal matching status.
Energy-saving graphite high-temperature expansion furnace system of the invention uses second level solid separation process, i.e. level-one solid gas separates
The tail gas (due to containing minimal amount of particulate expanded graphite) of device enters second level whirlwind solid-gas separator through discharging blower, improves expansion
The rate of recovery of graphite avoids demi-inflation graphite because quality kicks the beam the discharge system together with flue gas.
Part particulate expanded graphite is by second level solid-gas separator bottom in energy-saving graphite high-temperature expansion furnace system of the invention
Portion returns to discharge nozzle through feed back pipe, the partial material formed on stream it is local closed circuit, to carry out particulate expanded graphite again
Recycling, can be improved the yield of expanded graphite, the yield of expanded graphite reaches 80% or more.
Graphite is entered the bottom end of vertical type burner hearth by energy-saving graphite high-temperature expansion furnace system of the invention via feed pipe,
Graphite moves straight up in vertical type burner hearth then to be entered in spiral burner hearth inside spin motion process, and graphite is uniform
Heating, expansion.
The spiral burner hearth downward spiral of energy-saving graphite high-temperature expansion furnace system setting of the invention, avoids because after expansion
Graphite it is light-weight (packing density be 0.005g per cubic centimeter), being not easy to fall causes to stop for a long time in burner hearth, causes
Graphitic carbonaceous reduces the output capacity of graphite expansion efficiency and expanded graphite.
Energy-saving graphite high-temperature expansion furnace system heating rate of the invention is fast, is sprayed by under shed into vertical type burner hearth
The combustion gas of exit point combustion, the high-temperature flue gas that fuel gas buring generates are flowed up to heat burner hearth, and the warming-up section of vertical type burner hearth is
5.2-6.5 meters, furnace temperature is heated to 950-1000 DEG C, and traditional graphite expansion furnace is warming up to 950-1000 DEG C and needs 70~90 points
Clock, the energy-saving graphite high-temperature expansion of the invention required heating duration is about 30 minutes.
Energy-saving graphite high-temperature expansion furnace system of the invention uses lower section charging, lower section discharging, and graphite expansion lightens
Enter in spiral burner hearth after being moved upwards in vertical type burner hearth, does not expand impurity present in graphite raw material because weight is big, nothing
Method enters spiral burner hearth together with the graphite after expansion, will not expand impurity and expanded graphite and separate, obtained expanded graphite
Purity is high.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of energy-saving graphite high-temperature expansion furnace system of the invention.
Appended drawing reference: feed bin 01, feed screw 02, feed pipe 03, feeding fan 04, fuel gas supply equipment 05, combustion gas
Pipe 06, jet igniter 07, the first valve 08, external furnace body 11, thermal insulation layer 14, vertical type burner hearth 12, spiral burner hearth 13, into
Material mouth 125, discharge port 110, level-one solid-gas separator 20, closed discharger 29, discharge nozzle 21, discharging branch pipe 22, second level solid gas
Separator 23, discharging blower 24, the second valve 25, scummer 28, gas vent 230.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.It needs
Illustrate, in the absence of conflict, the features in the embodiments and the embodiments of the present application vector can mutually any group
It closes.
As shown in Figure 1, a kind of energy-saving graphite high-temperature expansion furnace system, comprising: feeding system, combustion system, respectively with
Feeding system, the graphite expansion furnace that combustion system is connected, the solid gas separation system being connected with graphite expansion furnace.Wherein, graphite is swollen
Swollen furnace includes the thermal insulation layer 14 formed between external furnace body 11, the burner hearth and burner hearth and external furnace body being set in external furnace body 11, furnace
Thorax includes the vertical type burner hearth 12 upwardly extended from 11 bottom wall of external furnace body and is connected to vertical type burner hearth 12 and surround vertical type
The spiral burner hearth 13 that 12 outer wall downward spiral of burner hearth extends.Wherein, vertical type burner hearth 12 includes opening under combustion system connection
Mouthful, the upper opening that is connected to spiral burner hearth 13 and be set to the feed inlet that 12 bottom of vertical type burner hearth is connected to feeding system
125,11 bottom of external furnace body is provided with discharge port 110, and spiral burner hearth 13 is connected to by discharge port 110 with solid gas separation system.
Combustion system is passed through the combustion gas lighted into vertical type burner hearth 12 by the under shed of vertical type burner hearth 12, feeding system by into
Material mouth 125 flows through vertical type burner hearth to graphite, the high-temperature flue gas that natural gas burning generates is blown into inside vertical type burner hearth 12 jointly
12, spiral burner hearth 13.Graphite generates expanded graphite under high-temperature flue gas effect, and expanded graphite passes through discharge port together with flue gas
110 enter solid gas separation system, and expanded graphite separates under the effect of gravity with flue gas to get expansion is arrived in solid gas separation system
Graphite.With this condition, graphite enters the bottom end of vertical type burner hearth 12 via feed pipe, and graphite is vertical in vertical type burner hearth 12
It moves upwards during then being moved downward into spiral 13 inside spin of burner hearth, by uniform heating, expansion, avoids because of expansion
Graphite afterwards is light-weight (packing density is 0.005g per cubic centimeter), and being not easy to fall causes to stop for a long time in burner hearth, makes
At graphitic carbonaceous, graphite expansion efficiency is reduced.
Preferably, filled with insulation particle in thermal insulation layer 14, loading is 80%~95%, wherein insulation particle is silicic acid
Alumina particles.
Preferably, graphite expansion furnace bottom is provided with the bracket (not labeled) for being used to support graphite expansion furnace.
As shown in Figure 1, feeding system includes feed bin 01, the feed screw being connected with feed bin 01 02, feed screw 02
It is connected to by feed pipe 03 with the feed inlet 125 of graphite expansion furnace, feeding fan 04 is provided on feed pipe 03.Wherein, graphite
It is 40-75 kgs/hour by the feed rate that feeding system enters graphite expansion furnace, it is preferable that graphite passes through feeding system
Feed rate into graphite expansion furnace is 50-65 kgs/hour.With this condition, graphite treatment amount is big, graphite expansion efficiency
It is high.For example, in the actual operation process, can choose graphite by the feed rate that feeding system enters graphite expansion furnace is 50
Kg/hour, 55 kgs/hour, 58 kgs/hour, 60 kgs/hour, 62 kgs/hour or 65 kgs/hour.
As shown in Figure 1, combustion system includes fuel gas supply equipment 05 and by fuel gas conduit 06 and fuel gas supply equipment 05
The jet igniter 07 of connection, jet igniter 07 are set to the lower opening of graphite expansion furnace, are arranged in fuel gas conduit 06
There is the first valve 08.With this condition, jet igniter 07 jet flames and combustion into vertical type burner hearth 12 by under shed
Gas is to heat burner hearth, and the warming-up section of vertical type burner hearth is 5.2-6.5 meters, and furnace temperature is heated to 950-1000 DEG C, and traditional graphite is swollen
Swollen furnace is warming up to 950-1000 DEG C and needs 70~90 minutes, and the heating duration needed for high-temperature expansion furnace system of the invention is about
It 30 minutes, is saved the time 40~60 minutes than existing expansion furnace, greatly improves production efficiency, shorten the production cycle, saved
Production cost.
As shown in Figure 1, solid separation system includes level-one solid-gas separator 20 and is set to level-one solid-gas separator 20
The closed discharger 29 of bottom, level-one solid-gas separator 20 are connected to by discharge nozzle 21 with the discharge port 110 of graphite expansion furnace.?
Under this condition, level-one solid-gas separator 20 separates the expanded graphite that spiral burner hearth exports with flue gas, to collect expanded graphite.
Preferably, discharge nozzle 21 is cooling tube, and 21 outer wall of discharge nozzle is provided with cooling tube (not shown), recycles in cooling tube
Flowing cool water is to reduce the temperature of the flue gas and expanded graphite that flow in discharge nozzle 21, to reduce the flue gas for being expelled to exterior
Temperature reduces the thermal pollution caused by environment.
As illustrated in fig. 1, it is preferred that solid gas separation system further comprises passing through discharging branch pipe with level-one solid-gas separator 20
22 connected second level solid-gas separators 23 are provided with discharging blower 24 and the second valve 25 on the branch pipe 22 that discharges.Solid separation
System further comprises being connected with the bottom of the second solid-gas separator 23 to solia particle recurrent canal 27, solia particle recurrent canal 27
It is connected to discharge nozzle 21 and is recycled again with the solia particle return discharge nozzle 21 for isolating the second solid-gas separator 23.At this
Under part, secondary separation is carried out to the expanded graphite not separated completely with flue gas in solid-gas separator 20 is entered, to further increase
Expanded graphite yield, partial material formed on stream it is local closed circuit, to be conducive to the recycling of particulate expanded graphite,
As shown in Figure 1, being provided with gas vent 230 at the top of second level solid-gas separator 23, the flue gas isolated is expelled to
Outside system.
As shown in Figure 1, the discharge port 110 of neighbouring graphite expansion furnace is provided with scummer 28 on discharge nozzle 21, due to swollen
The very light in weight of swollen graphite can filter out the graphite not expanded completely wherein and other solid impurities by scummer 28.
Preferably, the spiral burner hearth 13 of graphite expansion furnace recline vertical type hearth outer wall 12 downwards extend spirally and with it is straight
Vertical furnace chamber 12 links into an integrated entity, the junction of vertical type burner hearth 12 and spiral burner hearth 13, and the outer wall of vertical type burner hearth 12 is
The inner wall of spiral burner hearth 13.With this condition, steel needed for saving casting burner hearth have saved investment needed for production equipment.Its
In, spiral burner hearth 13 is enclosed around 12 outer wall 2~5 of vertical type burner hearth.Preferably, spiral burner hearth 13 is around vertical type burner hearth 12
Outer wall 3~4 encloses, and with this condition, the Design of length of spiral burner hearth 13 is more rationally compact, guarantees that graphite stops in burner hearth
Ample time avoid graphite expansion incomplete, while avoiding graphite from being detained in the high temperature environment leading to graphitic carbonaceous, reduce life
Yield influences product qualities.
As shown in Figure 1, the energy-saving graphite high-temperature expansion furnace system further comprises thermometric and display device 19, thermometric with
Display device 19 includes the thermometric end connecting with 13 outer wall of spiral burner hearth of graphite expansion furnace and extends graphite expansion furnace
External furnace body 11 outside display end.With real-time measurement and the temperature in spiral burner hearth 13 is shown, during being easy to use
Fire box temperature is adjusted.
Wherein, the operating method of the energy-saving graphite high-temperature expansion furnace system is as follows:
Discharging blower 24 is first turned on, the second valve 25 of adjustment is so as to generate stable negative of pressure in the burner hearth of expansion furnace
Pressure is opened the first valve 08 and is heated to vertical type burner hearth 12, so that the temperature in burner hearth maintains 900-1100 DEG C.Adjust the
The control of one valve 08 maintains the constant of furnace temperature, by raw material expansible graphite via feed pipe 03 in the bottom end of vertical type burner hearth 12
It uniformly feeds, expansible graphite moves straight up in vertical type burner hearth 12 then to be transported downwards in spiral 13 inside spin of burner hearth
During dynamic, in this motion process, expansible graphite is by uniform heating, extruding.Wherein, the preferred values of furnace temperature are 950-
1000 DEG C, total heating section of vertical type burner hearth 12 is 5.2-6.5 meters, is heated the duration about 10-30 seconds, the feed rate of graphite
It is 40-75 kgs/hour.
Graphite is expanded into expanded graphite in graphite high-temperature expansion furnace and enters the separation of one cyclonic solid gas through discharge nozzle 21
Device 20 is simultaneously recycled eventually by the closed discharger 29 in bottom end.The tail gas of level-one solid-gas separator 20 is (due to containing minimal amount of particulate
Expanded graphite) blower 24 that discharged is into second level solid-gas separator 23, wherein failing the particulate expanded graphite separated with flue gas
Discharge nozzle 21 is returned to through solia particle recurrent canal 27 via 23 bottom of second level solid-gas separator, the partial material is in process
It is middle to form the closed circuit of part, to carry out the recycling of particulate expanded graphite.
Embodiment 1:
Raw graphite phosphorus content be 99.5% (+50 mesh), by sulfuric acid preparation expansible graphite (expansion multiplying power 300ml/g,
The pH value of solution is 6.5~6.8), delivery rate 45kg/h.
Oil liquefied gas or piped gas in fuel gas conduit 06 are by the first valve 08 after jet igniter 07 is lighted
Vertical type burner hearth 12 is sprayed into, discharging blower 24 is opened before igniting so that freeze profile is at negative pressure, self-ignition is begun about 30 minutes, surveys
Temperature indicates furnace temperature up to 980 DEG C with display device 19.At this point, closed discharger 29 and feeding fan 04 are opened, in feed bin 01
Raw graphite just enters vertical type burner hearth 12 through feed pipe 03, then uniform in vertical type burner hearth 12, spiral burner hearth 13
It heats, after extruding about 15-30 seconds, then enters level-one solid-gas separator 20 through discharge nozzle 21, finally by the closed discharger in bottom end
21 become final products, yield 39.3kg/h, expansion multiplying power 312cm3/ g, product energy consumption 130kg/T.
The tail gas (due to containing minimal amount of particulate expanded graphite) of level-one solid-gas separator 20 enters two through discharging blower 24
Grade solid-gas separator 23, wherein particulate expanded graphite is returned out by 23 bottom of second level solid-gas separator through solia particle recurrent canal 27
Expects pipe 21, the calculating after stable operation, product yield is up to 87%.
Embodiment 2:
If only changing raw graphite into phosphorus content is 99.0% (+80 mesh), by the expansible graphite (expansion times of sulfuric acid preparation
Rate 280ml/g, the pH value of solution are 6.0~6.7), delivery rate then can be obtained in 60kg/h according to the working condition of example 1
Yield is 51.0kg/h, yield 85%, expansion multiplying power 288cm3The product of/g.
Embodiment 3:
If only changing raw graphite into phosphorus content is 99.2% (+80 mesh, the expansible graphite (expansion times prepared by sulfuric acid
Rate 200ml/g, the pH value of solution are 6.1~6.5), delivery rate then can be obtained in 50kg/h according to the working condition of example 1
Yield is 43.0kg/h, yield 86%, expansion multiplying power 210cm3The product of/g.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that including the article of a series of elements or equipment not only includes those elements, but also including not having
There is the other element being expressly recited, or further includes for this article or the intrinsic element of equipment.Do not limiting more
In the case where system, the element that is limited by sentence " including ... ", it is not excluded that in the article or equipment for including the element
There is also other identical elements.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, reference only to preferred embodiment to this hair
It is bright to be described in detail.Those skilled in the art should understand that can modify to technical solution of the present invention
Or equivalent replacement should all cover in claim model of the invention without departing from the spirit and scope of the technical solution of the present invention
In enclosing.
Claims (10)
1. a kind of energy-saving graphite high-temperature expansion furnace system characterized by comprising feeding system, combustion system, respectively with institute
The solid gas separation system stating the connected graphite expansion furnace of feeding system, the combustion system, being connected with the graphite expansion furnace；
Wherein, graphite expansion furnace include external furnace body (11), the burner hearth being set in the external furnace body (11) and the burner hearth with
The thermal insulation layer (14) formed between the external furnace body (11), the burner hearth include upwardly extending from the external furnace body (11) bottom wall
Vertical type burner hearth (12) and the outer wall spiral that the vertical type burner hearth (12) is connected to and surround with the vertical type burner hearth (12)
The spiral burner hearth (13) extended downwardly, wherein the vertical type burner hearth (12) includes being connected to down to open with the combustion system
Mouthful, the upper opening that is connected to the spiral burner hearth (13) and be set to vertical type burner hearth (12) bottom and the feed
The feed inlet (125) of system connectivity, external furnace body (11) bottom are provided with discharge port (110), the spiral burner hearth (13)
It is connected to by the discharge port (110) with the solid gas separation system；
The combustion system sprays into burning into the vertical type burner hearth (12) by the under shed of the vertical type burner hearth (12)
Combustion gas, the feeding system by the feed inlet (125) to being blown into graphite inside the vertical type burner hearth (12), graphite with
The high-temperature flue gas that fuel gas buring generates, the vertical type burner hearth (12), the spiral burner hearth are flowed through with high-temperature flue gas jointly
(13), graphite generates expanded graphite under high-temperature flue gas effect, and expanded graphite and flue gas pass through the discharge port (110) and enter institute
Solid gas separation system is stated, expanded graphite is separated with flue gas under the effect of gravity in the solid gas separation system, and recycling obtains swollen
Swollen graphite.
2. energy-saving graphite high-temperature expansion furnace system as described in claim 1, which is characterized in that the feeding system includes material
Storehouse (01), the feed screw (02) being connected with the feed bin (01), the feed screw (02) by feed pipe (03) with
The feed inlet (125) of the graphite expansion furnace is connected to, and is provided with feeding fan (04) on the feed pipe (03).
3. energy-saving graphite high-temperature expansion furnace system as described in claim 1, which is characterized in that the combustion system includes combustion
Gas feeding mechanism (05) and the jet igniter (07) being connected to by fuel gas conduit (06) with the fuel gas supply equipment (05),
The jet igniter (07) is set to the lower opening of the graphite expansion furnace, is provided on the fuel gas conduit (06)
First valve (08).
4. energy-saving graphite high-temperature expansion furnace system as described in claim 1, which is characterized in that the solid separation system packet
The closed discharger (29) for including level-one solid-gas separator (20) and being set to level-one solid-gas separator (20) bottom, it is described
Level-one solid-gas separator (20) is connected to by discharge nozzle (21) with the discharge port (110) of the graphite expansion furnace.
5. energy-saving graphite high-temperature expansion furnace system as claimed in claim 4, which is characterized in that the solid gas separation system into
One step includes the second level solid-gas separator (23) being connected with the level-one solid-gas separator (20) by discharging branch pipe (22), described
Discharging blower (24) and the second valve (25) are provided in discharging branch pipe (22).
6. energy-saving graphite high-temperature expansion furnace system as claimed in claim 5, which is characterized in that solid separation system is further
Including the solia particle recurrent canal being connected with the bottom of second solid-gas separator, the solia particle recurrent canal and it is described go out
Expects pipe (21) connection returns to the discharge nozzle (21) with the solia particle for isolating second solid-gas separator and recycles again.
7. energy-saving graphite high-temperature expansion furnace system as claimed in claim 6, which is characterized in that the second level solid-gas separator
(23) top is provided with gas vent (230).
8. energy-saving graphite high-temperature expansion furnace system as claimed in claim 4, which is characterized in that the neighbouring graphite expansion furnace
The discharge port (110) scummer (28) are provided on the discharge nozzle (21).
9. such as energy-saving graphite high-temperature expansion furnace system according to any one of claims 1 to 8, which is characterized in that the stone
The spiral burner hearth (13) of black expansion furnace recline vertical type burner hearth (12) outer wall extend spirally downwards and with it is described straight
Vertical furnace chamber (12) links into an integrated entity, the junction of the vertical type burner hearth (12) and the spiral burner hearth (13), described straight
The outer wall of vertical furnace chamber (12) is the inner wall of the spiral burner hearth (13), wherein the spiral burner hearth (13) is around described
Vertical type burner hearth (12) outer wall 2~5 encloses.
10. energy-saving graphite high-temperature expansion furnace system as claimed in claim 9, which is characterized in that further comprise thermometric with
Display device, the thermometric include connecting with spiral burner hearth (13) outer wall of the graphite expansion furnace with display device
Thermometric end and extend the graphite expansion furnace the external furnace body (11) outside display end.
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| CN201811303383.4A CN109179402B (en) | 2018-11-02 | 2018-11-02 | Energy-saving graphite high-temperature expansion furnace system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106016A (en) * | 1986-09-08 | 1987-03-25 | 四川省德阳耐火材料厂 | Process of heating-expend for perlite and device |
| JP2002068722A (en) * | 2000-09-01 | 2002-03-08 | Shin Nippon Kasei Kk | Method and device for manufacturing thermally expansible graphite |
| CN2492817Y (en) * | 2001-06-29 | 2002-05-22 | 张学忠 | Efficient power-saving graphite swelling furnace |
| CN2898743Y (en) * | 2006-03-03 | 2007-05-09 | 范继云 | IC pearlite swelling furnace with heat-radiation and preheat integration |
| CN201158620Y (en) * | 2008-01-13 | 2008-12-03 | 李珠 | Energy-saving gas type vitrified micro bubbles expansion swelling stove |
| CN201364015Y (en) * | 2008-12-09 | 2009-12-16 | 周高超 | Surplus-heat pre-heating drying perlite bulking furnace |
| KR20160063537A (en) * | 2014-11-26 | 2016-06-07 | 삼성에스디아이 주식회사 | Expanded graphite, method for preparing the same and thermal conductive resin composition comprising the same |
| CN108715445A (en) * | 2018-07-14 | 2018-10-30 | 深圳市星聚工业自动化有限公司 | A kind of microwave gas diffusion method expanded graphite expanding apparatus |
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2018
- 2018-11-02 CN CN201811303383.4A patent/CN109179402B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106016A (en) * | 1986-09-08 | 1987-03-25 | 四川省德阳耐火材料厂 | Process of heating-expend for perlite and device |
| JP2002068722A (en) * | 2000-09-01 | 2002-03-08 | Shin Nippon Kasei Kk | Method and device for manufacturing thermally expansible graphite |
| CN2492817Y (en) * | 2001-06-29 | 2002-05-22 | 张学忠 | Efficient power-saving graphite swelling furnace |
| CN2898743Y (en) * | 2006-03-03 | 2007-05-09 | 范继云 | IC pearlite swelling furnace with heat-radiation and preheat integration |
| CN201158620Y (en) * | 2008-01-13 | 2008-12-03 | 李珠 | Energy-saving gas type vitrified micro bubbles expansion swelling stove |
| CN201364015Y (en) * | 2008-12-09 | 2009-12-16 | 周高超 | Surplus-heat pre-heating drying perlite bulking furnace |
| KR20160063537A (en) * | 2014-11-26 | 2016-06-07 | 삼성에스디아이 주식회사 | Expanded graphite, method for preparing the same and thermal conductive resin composition comprising the same |
| CN108715445A (en) * | 2018-07-14 | 2018-10-30 | 深圳市星聚工业自动化有限公司 | A kind of microwave gas diffusion method expanded graphite expanding apparatus |
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|---|---|
| CN109179402B (en) | 2020-09-29 |
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