CN85103761A - Continuous-moving type activation furnace - Google Patents
Continuous-moving type activation furnace Download PDFInfo
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- CN85103761A CN85103761A CN 85103761 CN85103761A CN85103761A CN 85103761 A CN85103761 A CN 85103761A CN 85103761 CN85103761 CN 85103761 CN 85103761 A CN85103761 A CN 85103761A CN 85103761 A CN85103761 A CN 85103761A
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- baffle plate
- truncated cone
- cone shape
- shape baffle
- activation
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Abstract
The invention belongs to the activating apparatus of bulk granular material.
General vertical activation furnace, axle, radial temperature difference is bigger, makes to be activated material and to be heated inhomogeneous.The present invention is provided with several piece truncated cone shape baffle plate in body of heater, make material be " it " shape track in body of heater and move down, and has strengthened hot transmission, reaches the purpose of dwindling axle, radial temperature difference.Be provided with central tube in the body of heater of the present invention, use when causing in the body of heater different atmosphere.The present invention is provided with cooling and gives the association of heat, can pack after material is come out of the stove.
Description
The invention belongs to the activating apparatus of bulk granular material, the activation furnace of materials such as the catalyst calcination of saying so in more detail, carrier, molecular sieve, drier, adsorbent, aluminium oxide defluorinating agent.
Baffle plate is not set for general vertical activation furnace, inboard wall of furnace body or other stirs the device of material, and central tube and cooling section generally are not set yet.Above-mentioned activation furnace no matter be to adopt external heating mode or adopt the direct mode of heating of gas, owing to have axle, problem that radial direction temperature difference is big, causes to be activated material and to be heated inhomogeneously, and being difficult to like this guarantee the homogeneity of product directly influences product quality then.For solving vertical heater axle, problem that radial temperature difference is big, once proposed and designed multiple scheme.For example, Russian Patent 937932(1982), propose the gas distribution tube that the hot gas source is provided is set in vertical heater, be furnished with ring baffle around the pipe, form the annular gap between baffle plate and body of heater and the gas distribution tube, material moves down by baffle vibration.Such device has solved the big problem of axial temperature difference preferably, but radial temperature difference still fails to obtain gratifying solution; Between baffle plate and the gas distribution tube annular gap is arranged in addition, the material that is in the annular gap forms " piston flow " easily, can not get fully stirring, of short duration " accumulation " phenomenon appears in material on the baffle plate easily, so just cause the material that advances stove simultaneously that different stop heated times is arranged, it is inhomogeneous that material is heated; Moreover the gas distribution tube effect only provides the hot gas source, so just makes stove be difficult to adapt to the specific (special) requirements of many materials, and for example some catalyst will activate under certain atmosphere etc.; In addition, such stove processing and operation are all comparatively complicated, also have certain problem on the heat energy utilization, so vertical activation furnace still needs further research to improve.
A kind of novel vertical that The present invention be directed to the problems referred to above research and design selects continuous-moving type activation furnace.
Design philosophy of the present invention is, when material in the body of heater is from up to down mobile by self gravitation, manage to make the interior material of body of heater between furnace axis and furnace wall, constantly to shift one's position, material will constantly be stirred simultaneously, to strengthen the heat-exchange capacity of material and furnace wall, reach the purpose of dwindling radial temperature difference.So the present invention is provided with in body of heater, and several piece is staggered up and down to make material move down the truncated cone shape baffle plate that track is " it " shape.
The present invention considers that some material need calcine in when activation under certain atmosphere, the gas that some material is emitted when when activation need be with material calcining is in time derived, some material even will under negative pressure, calcine, so the present invention is provided with can in time derive or feed gas or cause in body of heater and is the central tube of negative pressure in the body of heater.This central tube can be provided with sieve aperture at different parts, desired condition when reaching above-mentioned material activating.
The present invention notices, existing vertical heater, and material activating calcining back needs cooling device cooling material in addition, is not easy to continued operation like this.Therefore the present invention is right after the cooling section of one section material after can cooling off activation burning in different ways in the activation section lower end of body of heater, can directly pack after material is come out of the stove.
The present invention considers when design, move down after track is the truncated cone shape baffle plate of " it " shape when being provided with the staggered up and down material that can make of several piece in the body of heater, the particularly bar-shaped or larger area sheet material of material is by self gravitation when from up to down mobile in the body of heater, " bridge formation " phenomenon might occur, so the present invention is provided with the means of eliminating above-mentioned " bridge formation " phenomenon.
The said activation furnace of the present invention, referring to accompanying drawing 1, mainly by material storing room (1), give hot arc (2), activation section (3) and cooling section (4) and form.Of the present inventionly give hot arc and activation section can adopt external-heat such as mode of heatings such as heating wire, flue gas, also can adopt mode of heatings such as internal heat type such as hot blast.Consider from design, processing, operation, several respects such as energy-conservation, adopt external heating mode comparatively desirable.What the present invention adopted is the heating wire external heating mode.Cooling section of the present invention both can adopt external-cooling type, can adopt inner-cooled again, the mode of cold external cooling combination in also can adopting in case of necessity.
It is 30 °～100 ° following truncated cone shape baffle plate (5) that the inboard wall of furnace body periphery that the present invention gives hot arc and activation section is provided with the several piece cone angle.Distance between plates between this time truncated cone shape baffle plate is 0.5～2 with the ratio of body of heater interior diameter of the present invention.The present invention is provided with can in time derive or feed gas or cause in body of heater and is the central tube of negative pressure (6) in the body of heater.This central tube gives hot arc and activation section position in body of heater, it is 30 °～100 ° last truncated cone shape baffle plate (7) that its outer wall periphery is provided with the several piece cone angle.Upward the distance between plates between the truncated cone shape baffle plate is 0.5～2 with the ratio of body of heater interior diameter of the present invention.Above-mentioned following truncated cone shape baffle plate and above-mentioned last truncated cone shape baffle plate stagger up and down.The distance of the above-mentioned upward truncated cone shape baffle plate of end opening edge distance of above-mentioned truncated cone shape baffle plate down is 3～15 with the ratio of the maximum length of material particles.The above-mentioned end opening edge of going up the truncated cone shape baffle plate is 3～15 far from the ratio of the distance of inboard wall of furnace body and the maximum length of material particles.Above-mentioned truncated cone shape baffle plate makes the interior material of body of heater when leaning on self gravitation from up to down mobile, and movement locus is " it " font, and material is constantly shifted one's position between furnace axis and furnace wall, is fully stirred simultaneously.So both material was heated evenly in body of heater, had strengthened the heat transmission in the body of heater again, dwindled the radial temperature difference in the body of heater.
The said central tube of the present invention is rotary.When material in the body of heater when " bridges formation " phenomenon from up to down move occurring by self gravitation, need only and can eliminate " bridge formation " phenomenon by the center of rotation pipe.This central tube can be provided with sieve aperture at different parts as required, uses when in time deriving or feeding gas or causing in the body of heater to negative pressure.For containing the crystallization water or adsorbed water or can emit the material of gas when being heated, the sieve aperture on this central tube is preferably disposed on giving on the hot arc position of this central tube.For the material that need activate in certain atmosphere, the sieve aperture on this central tube is preferably disposed on the activation section position of this central tube.When this central tube is connected with an extract system, can cause to be negative pressure state in the body of heater.
The present invention is provided with cooling and gives the association (8) of heat.This association be expansion loop (9) are housed by the centre tube connector (10) cooling section with give hot arc and be communicated with.This association gives that hot arc connector (11) is minimum also will to be arranged on the above-mentioned truncated cone shape baffle plate.The cooling section connector (12) of this association is high also will being arranged under the above-mentioned truncated cone shape baffle plate.The type of cooling of cold or interior cold-peace external cooling combination in can realizing by this association, recyclable again part heat is used for giving thermal material simultaneously.
Cooling section of the present invention is right after in the activation section lower end.This cooling section can adopt the type of cooling of the external cooling or the cold wind inner-cooled of cold medium circulation in the chuck (13).The present invention is when negative-pressure operation, and this cooling section can adopt the external cooling of cold medium circulation in the chuck or the type of cooling of the interior cold or interior cold-peace external cooling combination of cold wind.
Its main feature of above-mentioned the present invention is to be provided with the truncated cone shape baffle plate that array up and down truncated cone is worked in coordination in the body of heater, when making material lean on self gravitation from up to down mobile, this baffle plate between furnace axis and furnace wall, constantly shifts one's position, material moves down track and is " it " font, when material moves down and constantly shift one's position between furnace axis and furnace wall, constantly stirred, material is heated evenly, and strengthened heat transmission in the body of heater again, and then dwindled radial temperature difference, guarantee the homogeneity of product, improved product quality.The design of its cone angle of truncated cone shape baffle plate of the present invention is enough to guarantee that material does not cause accumulation.The present invention is provided with central tube in body of heater, this central tube can cause different atmosphere as required, satisfies the desired condition of material activating.Rely on the rotation of central tube can eliminate " bridge formation " phenomenon that may occur when material moves down simultaneously.The present invention is provided with cooling and gives the association of heat, has cooled off when material is come out of the stove and can directly pack.The present invention maintains the vertical heater advantages of simple operation, is convenient to continuous operation production.
Explanation to accompanying drawing 1
Accompanying drawing 1 is a cutaway view of the present invention.
1. material storing room.
2. give hot arc.
3. activation section.
4. cooling section.
5. descend the truncated cone shape baffle plate.
6. central tube.
7. go up the truncated cone shape baffle plate.
8. cool off and give the association of heat.This association is meant the part of being surrounded with two pecked lines in the accompanying drawing 1.
9. expansion loop.
10. tube connector.
11. association gives the connector of hot arc.
12. the connector of association's cooling section.
13. cooling section chuck.
Claims (7)
1, a kind of vertical continuous-moving type activation furnace that includes material storing room, gives hot arc and activation section is characterized in that the inboard wall of furnace body periphery that gives hot arc and activation section of activation furnace is provided with truncated cone shape baffle plate under the several piece; Be provided with in this body of heater and have sieve aperture and on the outer wall periphery that gives hot arc and activation section position, have truncated cone shape its centre pipe on the several piece; Following truncated cone shape baffle plate on the said inboard wall of furnace body periphery and said on central tube outer wall periphery on the truncated cone shape baffle plate stagger up and down; The activation section lower end of this activation furnace is right after a cooling section that can adopt external cooling or interior cold but mode; This activation furnace is provided with the tube connector gating cooling section and the association that gives hot arc that has expansion loop by the centre.
2, activation furnace according to claim 1 is characterized in that the said cone angle of truncated cone shape baffle plate down is 30 °～100 °; The said cone angle of going up the truncated cone shape baffle plate is 30 °～100 °.
3, activation furnace according to claim 1 is characterized in that the said distance between plates between the truncated cone shape baffle plate down and the ratio of activation furnace body of heater interior diameter are 0.5～2; The said upward distance between plates between the truncated cone shape baffle plate is 0.5～2 with the ratio of activation furnace body of heater interior diameter.
According to the described activation furnace of claim 1 to 3, it is characterized in that 4, the distance of the said upward truncated cone shape baffle plate of end opening edge distance of said truncated cone shape baffle plate down is 3～15 with the ratio of the maximum length of material particles; The said end opening edge of going up the truncated cone shape baffle plate is 3～15 apart from the ratio of the distance of activation furnace inboard wall of furnace body of the present invention and the maximum length of material particles.
5,, it is characterized in that the central tube in the said activation furnace body of heater is rotary according to the described activation furnace of claim 1.
6,, it is characterized in that the sieve aperture on the said central tube is preferably disposed on giving on the hot arc position of said central tube for containing the crystallization water or adsorbed water or can emitting the material of gas when being heated according to claim 1 and 5 described activation furnaces; For the material that need activate in certain atmosphere, the sieve aperture on the said central tube is arranged on the activation section position of said central tube the most carefully.
7, according to the described activation furnace of claim 1, it gives minimum also will being arranged on the said truncated cone shape baffle plate of connector of hot arc to it is characterized in that said association; The connector of its cooling section of said association is the highest also will to be arranged under the said truncated cone shape baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85103761 CN85103761A (en) | 1985-04-01 | 1985-04-01 | Continuous-moving type activation furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85103761 CN85103761A (en) | 1985-04-01 | 1985-04-01 | Continuous-moving type activation furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85103761A true CN85103761A (en) | 1986-09-17 |
Family
ID=4793417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85103761 Pending CN85103761A (en) | 1985-04-01 | 1985-04-01 | Continuous-moving type activation furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85103761A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523779A (en) * | 2013-10-24 | 2014-01-22 | 北海和荣活性炭科技有限责任公司 | Coconut shell carbonization material activation furnace |
-
1985
- 1985-04-01 CN CN 85103761 patent/CN85103761A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523779A (en) * | 2013-10-24 | 2014-01-22 | 北海和荣活性炭科技有限责任公司 | Coconut shell carbonization material activation furnace |
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| WD01 | Invention patent application deemed withdrawn after publication |