CN218642682U - Coal pyrolysis continuous feeding sealing system - Google Patents
Coal pyrolysis continuous feeding sealing system Download PDFInfo
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- CN218642682U CN218642682U CN202223303488.4U CN202223303488U CN218642682U CN 218642682 U CN218642682 U CN 218642682U CN 202223303488 U CN202223303488 U CN 202223303488U CN 218642682 U CN218642682 U CN 218642682U
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Abstract
The utility model provides a continuous feeding sealing system of coal pyrolysis solves traditional raw coal charge-in system and has the feeding defect, from the environmental protection, can not satisfy current technological requirement in the aspect of the safety. The method comprises the following steps: the long feeding channel is used for conveying coal to the pyrolysis furnace, the long feeding channel is arranged above the pyrolysis furnace, and the height of the long feeding channel is larger than 6m; the long feeding channel is communicated with the pyrolysis furnace and comprises a feeding hole and a discharging hole; the inside of the pyrolysis furnace is filled with coal materials conveyed through the long feeding channel, and the highest surface of the coal materials is in contact with the discharge hole of the long feeding channel; a discharging channel for discharging coal materials is arranged below the pyrolysis furnace, the discharging channel is communicated with the interior of the pyrolysis furnace, and the discharging channel discharges the coal materials in the furnace to fall. The utility model discloses a high material level is sealed, long feed channel realizes that the feeding is sealed, and the continuous material of coke pusher arranges the interior raw materials of material in-process stove and lasts the whereabouts in the pyrolysis oven below, realizes continuous feeding.
Description
Technical Field
The utility model relates to a pyrolysis of coal technical field especially relates to a pyrolysis of coal continuous feed sealing system.
Background
The feeding system of the traditional coal pyrolysis device is controlled by a gate valve. At present, a feeding system needs to feed materials every two hours, so that a post operator needs to operate every two hours, in addition, coal is fed in an intermittent mode when a gate valve is opened, so that top coal gas of the opened gate valve overflows, if the top coal gas overflows from the opened gate valve, the environment is easily polluted, and potential threats are caused to the post operator. If air enters the furnace top from the position of opening the gate valve, the oxygen and nitrogen content of the gas in the furnace is increased, and the quality of the gas is influenced.
In order to solve coal pyrolysis device feeding process post operative employee safety and keep coal gas quality in the coal pyrolysis device, the utility model patent that patent number is 202022372244.6 discloses a fine coal pyrolysis furnace, is provided with the overhead gage between the inside cavity of this patent document's the inside cavity of feeder hopper and evaporating chamber, the inside cavity of evaporating chamber with be provided with between the inside cavity of carbomorphism room baffle down, fine coal pass through the conveyer belt and carry to the opening end of feeder hopper, and the lower extreme of feeder hopper is provided with the toper section, and the toper section of feeder hopper has strengthened the mobility of fine coal in the feeder hopper, through the upset control fine coal unloading of overhead gage and lower baffle. The upper baffle and the lower baffle of the patent document are controlled by hydraulic valves, and the hydraulic valves are controlled by pressure oil, so that the structure of the pyrolysis furnace is complicated due to the arrangement of hydraulic pipelines.
Therefore, the traditional raw coal feeding system has the feeding defect, and cannot meet the requirements of the existing process from the aspects of environmental protection and safety.
SUMMERY OF THE UTILITY MODEL
The utility model provides a coal pyrolysis continuous feed sealing system adopts high material level sealed, long feed channel to realize that the feeding is sealed, and the continuous whereabouts of in-process stove interior raw materials of arranging of coke pusher in the pyrolysis oven below realizes continuous feeding.
Realize the utility model discloses the technical scheme of purpose as follows:
a coal pyrolysis continuous feed seal system comprising: the long feeding channel is used for conveying coal materials to the pyrolysis furnace, the long feeding channel is arranged above the pyrolysis furnace, and the height of the long feeding channel is larger than 6m;
the long feeding channel is communicated with the pyrolysis furnace and comprises a feeding hole and a discharging hole;
the inside of the pyrolysis furnace is filled with coal conveyed through the long feeding channel, and the highest surface of the coal contacts the discharge hole of the long feeding channel;
a discharging channel for discharging coal materials is arranged below the pyrolysis furnace, the discharging channel is communicated with the interior of the pyrolysis furnace, and the discharging channel discharges the coal materials in the furnace to fall.
The long feed channel of the utility model conveys raw coal into the furnace of the pyrolysis furnace, and the pyrolysis furnace is in a high material level until the raw coal contacts the discharge hole of the long feed channel; the long feeding channel is filled with coal, and because the height of the long feeding channel is larger than 6m and the particle size of the coal is 3-80mm, gas in the pyrolysis furnace cannot flow out of the long feeding channel through the coal gap, and feeding sealing can be realized by adopting high material level sealing and the long feeding channel. Furthermore, the utility model discloses a long feedstock channel of discharge channel discharge stove coal charge in-process lasts to the pay-off in the stove, makes the stove coal charge keep high material level always, and then realizes feedstock channel's continuous feed.
As a further improvement of the utility model, the highest surface of the coal material is at least 1m away from the top of the pyrolysis furnace;
the furnace top of the pyrolysis furnace is communicated with a negative pressure pumping system.
The utility model discloses a long feedstock channel extends to more than 1m in the stove, and the total height that leads to long feedstock channel is greater than 7m, guarantees that the highest face distance of coal charge has the space more than 1m between the furnace roof, and the pyrolysis gas that produces in the pyrolysis stove is through taking out negative pressure system discharge, further improves the leakproofness of high material level sealing, long feedstock channel.
As a further improvement of the utility model, the furnace top of the pyrolysis furnace is provided with a gas collecting hood which is communicated with a negative pressure pumping system;
the gas collecting hood is provided with a plurality of gas collecting umbrellas opposite to the coal material in the furnace, and the gas collecting umbrellas are communicated with the gas collecting hood.
The utility model discloses a gas collecting umbrella collects the gas collecting channel with pyrolysis gas in the pyrolysis oven, follows the gas collecting channel again through taking out negative pressure system discharge pyrolysis oven, avoids pyrolysis gas in the pyrolysis oven to get into long feedstock channel's discharge gate, further improves long feedstock channel's leakproofness.
As a further improvement of the utility model, the long feeding channel has a plurality of, a plurality of long feeding channel parallel arrangement.
The utility model discloses a plurality of long feed channel carry the raw coal to the pyrolysis oven simultaneously in, the raw coal becomes clean coal through the coal gas pyrolysis in the pyrolysis oven, clean coal provides the raw coal to the pyrolysis oven from the long feed channel of discharge passage discharge pyrolysis oven in-process in succession, ensures that the interior raw coal of stove is in the highest coal material level always. The simultaneous feeding of a plurality of long feeding channels can convey raw coal into the pyrolysis furnace more quickly.
As a further improvement of the present invention, the long feed passage comprises: the feed bin heightening and sealing section and the herringbone material port lengthening section are sequentially communicated;
the bin heightening and sealing section and the herringbone material port lengthening section are sequentially arranged from top to bottom;
the herringbone material port lengthening section is communicated with the pyrolysis furnace.
The utility model discloses a raw coal gets into the feed bin and increases after the sealing section, increases the sealing section along the feed bin and gets into a chevron shape limit of chevron shape material mouth extension section, again from getting into the pyrolysis oven with chevron shape material mouth extension section in, the raw coal is in the pyrolysis oven touching gas collection umbrella outer wall and is piled up at the highest charge level of pyrolysis oven as the buffering. The utility model discloses a long feedstock channel adopts the route of bending also can further improve the leakproofness.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a high material level is sealed, long feed channel realizes that the feeding is sealed, arranges the interior raw materials of material in-process stove and continuously falls in pyrolysis oven below coke pusher in succession, realizes the continuous feeding.
Drawings
FIG. 1 is a first schematic view of a coal pyrolysis continuous feed sealing system applied to a pyrolysis furnace;
FIG. 2 is a schematic diagram II of a coal pyrolysis continuous feed sealing system applied to a pyrolysis furnace;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a third schematic view of the coal pyrolysis continuous feed sealing system applied to the pyrolysis furnace;
in the figure, 100-long feed channels; 110-a silo heightening sealing section; a 120-herringbone material port lengthening section; 150-hexagon; 151-one corner; 152-another corner; 160-merge to share a section of chevron; 200-a pyrolysis furnace; 300-a discharge channel; 400-gas collecting channel; 500-air collection umbrella; 600-gas collecting bridge pipe; 700-water washing dust removing device.
Detailed Description
The present invention will be described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and that the functional equivalents, methods, or structural equivalents thereof, or substitutions thereof by those skilled in the art are all within the scope of the present invention.
In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Referring to fig. 1 and 2, an embodiment of the present invention provides a coal pyrolysis continuous feed sealing system, including: a long feed channel 100 for feeding coal to the pyrolysis furnace 200, the long feed channel 100 being disposed above the pyrolysis furnace 200, the long feed channel 100 having a height greater than 6m; the long feeding channel 100 is communicated with the pyrolysis furnace 200, and the long feeding channel 100 comprises a feeding hole and a discharging hole; the pyrolysis furnace 200 is filled with coal conveyed through the long feed channel 100, and the highest surface of the coal contacts the discharge hole of the long feed channel 100; a discharge channel 300 for discharging coal is arranged below the pyrolysis furnace 200, the discharge channel 300 is communicated with the interior of the pyrolysis furnace 200, and the discharge channel 300 discharges the coal in the furnace to fall.
The long feed channel 100 of the embodiment of the utility model conveys raw coal into the furnace of the pyrolysis furnace 200 until the pyrolysis furnace 200 is at a high material level when the raw coal contacts the discharge port of the long feed channel 100; the long feeding channel 100 is filled with coal, and because the height of the long feeding channel 100 is more than 6m and the particle size of the coal is 3-80mm, gas in the pyrolysis furnace 200 cannot flow out of the long feeding channel 100 through the coal gap, and feeding sealing can be realized by adopting high material level sealing and the long feeding channel 100. Furthermore, the utility model discloses long inlet channel 100 in discharge channel 300 discharge stove coal charge in-process lasts to the pay-off in the stove, makes the stove coal charge keep high material level always, and then realizes inlet channel's continuous feed. The embodiment of the utility model provides a mainly heighten sealed section 110 and extension chevron shape material mouth extension section 120 through the feed bin and guarantee that high material level is sealed, long feed channel 100 can realize that the feeding is sealed. The embodiment of the utility model provides a mainly through increasing long feedstock channel 100 of extension, it is sealed through the coal charge, the grain of coal is through 3-80mm (fine coal, seed coal and lump coal), and the scraper blade machine of discharging passageway 300 hangs and draws clean coal toward pyrolysis oven 200 outsides, and pyrolysis oven 200 top raw coal moves down, keeps the material level of pyrolysis oven full when long feedstock channel 100.
It should be noted that, the utility model discloses pyrolysis furnace 200 adopts coal gas pyrolysis raw coal, includes dry heat absorption unit, well low temperature pyrolysis unit, high temperature pyrolysis unit and cooling unit down from last in pyrolysis furnace 200, and dry heat absorption unit adopts coal gas to preheat low moisture raw coal, and the raw coal moisture of low moisture raw coal is less than 8%; the temperature of the drying heat absorption unit is lower than 250 ℃, and the content of each component of initial coal gas and the content of each component of final coal gas of the drying heat absorption unit are monitored to obtain drying heat absorption time; the medium-low temperature pyrolysis unit and the high-temperature pyrolysis unit adopt hot coal gas at 800-1000 ℃ to control the temperature of the pyrolysis upgrading furnace in a coal pyrolysis zone, and the pyrolysis unit softens the coal output by the drying and heat absorption unit and forms clean coke.
In the above scenario, with continued reference to fig. 1 and 2, the highest surface of the coal charge is at least 1m from the top of the pyrolysis furnace 200; a long feed channel 100 extends into the pyrolysis furnace 200 from the top of the furnace and communicates with the furnace; the top of the pyrolysis furnace 200 is communicated with a negative pressure pumping system.
The utility model discloses pyrolysis gas that produces in the pyrolysis furnace 200 is discharged through taking out negative pressure system, further improves the sealed, long feed channel 100's of material level leakproofness.
In the above solution, please refer to fig. 2 and fig. 3, in the embodiment of the present invention, a gas collecting channel 400 is disposed on the top of the pyrolysis furnace 200, and the gas collecting channel 400 is communicated with the negative pressure pumping system; the gas collecting channel 400 is provided with a plurality of gas collecting umbrellas 500 opposite to the coal material in the furnace, and the gas collecting umbrellas 500 are communicated with the gas collecting channel 400.
The embodiment of the utility model provides an adopt collection gas umbrella 500 to collect gas collecting channel 400 with the interior pyrolysis of pyrolysis oven 200, follow gas collecting channel 400 again through taking out negative pressure system discharge pyrolysis oven 200, avoid pyrolysis oven 200 interior pyrolysis to get into long feed channel 100's discharge gate, further improve long feed channel 100's leakproofness.
With continuing reference to fig. 1, 2 and 3, the embodiment of the present invention employs high material level sealing and long herringbone feeding channels to realize feeding sealing, and can meet the requirement of continuous production. During the continuous coke discharging process of the coke pusher at the lower part of the pyrolysis furnace 200, the upper raw material continuously falls down. The continuous feeding is realized.
In the above solution, with continuing reference to fig. 1, 2 and 3, there are a plurality of long feed channels 100, and a plurality of long feed channels 100 are arranged in parallel.
The embodiment of the utility model provides an adopt a plurality of long feedstock channel 100 to carry raw coal in the pyrolysis oven 200 simultaneously, raw coal becomes clean coal through the coal gas pyrolysis in pyrolysis oven 200, clean coal from the 200 in-process long feedstock channel 100 of discharge passage 300 discharge pyrolysis oven provide raw coal to pyrolysis oven 200 in succession, ensure that the interior raw coal of stove is in the highest coal material level always. The simultaneous feeding of multiple long feed channels 100 provides for faster transport of raw coal into the pyrolysis furnace 200.
In the above solution, referring to fig. 3 and 4, the long feeding channel 100 of the embodiment of the present invention includes: a bin heightening and sealing section 110 and a herringbone material port lengthening section 120 which are communicated in sequence; the silo heightening sealing section 110 and the herringbone gate lengthening section 120 are arranged in sequence from top to bottom.
The utility model discloses a continuous feeding sealing system of coal pyrolysis has realized continuous feeding, need not furnace roof coal unloading worker intermittent operation, and 3 people of reducible operating personnel have practiced thrift the human cost, have avoided manual operation safety risk simultaneously, through continuous feeding, reduce the environmental pollution that opens valve in-process coal gas loss, cause.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (5)
1. A coal pyrolysis continuous feed seal system, comprising: the long feeding channel is used for conveying coal to the pyrolysis furnace, the long feeding channel is arranged above the pyrolysis furnace, and the height of the long feeding channel is larger than 6m;
the long feeding channel is communicated with the pyrolysis furnace and comprises a feeding hole and a discharging hole;
the inside of the pyrolysis furnace is filled with coal materials conveyed through the long feeding channel, and the highest surface of the coal materials is in contact with the discharge hole of the long feeding channel;
a discharging channel for discharging coal materials is arranged below the pyrolysis furnace, the discharging channel is communicated with the interior of the pyrolysis furnace, and the discharging channel discharges the coal materials in the furnace to fall.
2. The coal pyrolysis continuous feed sealing system of claim 1, wherein the highest face of the coal charge is at least 1m from the top of the pyrolysis furnace;
the furnace top of the pyrolysis furnace is communicated with a negative pressure pumping system.
3. The coal pyrolysis continuous feeding sealing system of claim 2, wherein the top of the pyrolysis furnace is provided with a gas collecting hood, and the gas collecting hood is communicated with the negative pressure pumping system;
the gas collecting hood is provided with a plurality of gas collecting umbrellas opposite to the coal material in the furnace, and the gas collecting umbrellas are communicated with the gas collecting hood.
4. The coal pyrolysis continuous feed sealing system of any one of claims 1 to 3, wherein the number of the long feed channels is plural, and the plural long feed channels are arranged in parallel.
5. The coal pyrolysis continuous feed seal system of claim 1, wherein the long feed channel comprises: the feed bin heightening and sealing section and the herringbone material port lengthening section are sequentially communicated;
the bin heightening and sealing section and the herringbone material port lengthening section are sequentially arranged from top to bottom; the herringbone material port lengthening section is communicated with the pyrolysis furnace.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223303488.4U CN218642682U (en) | 2022-12-09 | 2022-12-09 | Coal pyrolysis continuous feeding sealing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223303488.4U CN218642682U (en) | 2022-12-09 | 2022-12-09 | Coal pyrolysis continuous feeding sealing system |
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| CN218642682U true CN218642682U (en) | 2023-03-17 |
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| CN202223303488.4U Active CN218642682U (en) | 2022-12-09 | 2022-12-09 | Coal pyrolysis continuous feeding sealing system |
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