CN105713622A - Gas guide structure capable of preventing retention of materials in carbonization chamber of vertical furnace - Google Patents
Gas guide structure capable of preventing retention of materials in carbonization chamber of vertical furnace Download PDFInfo
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- CN105713622A CN105713622A CN201610227563.3A CN201610227563A CN105713622A CN 105713622 A CN105713622 A CN 105713622A CN 201610227563 A CN201610227563 A CN 201610227563A CN 105713622 A CN105713622 A CN 105713622A
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- carbonization chamber
- angle
- coal gas
- gas guide
- gas
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
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- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The invention relates to a gas guide structure capable of preventing retention of materials in a carbonization chamber of a vertical furnace. The gas guide structure comprises multiple gas guide-out holes which are arranged in an end of the carbonization chamber in the height direction; an inward-tilting type material guide body is arranged at the upper part of each gas guide-out hole, and a dust accumulation preventive blocking wall is arranged at the lower part of each gas guide-out hole; the inward-tilting type material guide bodies are tilted towards the lower side of the inner side of an end wall, the included angle of the outer side surface of the tilted part and the horizontal plane is larger than the complementary angle of a material repose angle, and a vertical end surface is formed between the inner side surface and the outer side surface of each inward-tilting type material guide body; the inner side surface of each dust accumulation preventive blocking wall is flush with the inner side surface of the end wall, the outer side surface is downwards tilted and crossed with the outer side of the end wall, and the slant angle of each dust accumulation preventive blocking wall is larger than the material repose angle. The invention provides a novel gas guide-out hole structure. The structure can eliminate the accumulation and retention phenomena of materials in the gas guide-out holes, prevents the situation that the content of dust in gas is increased due to the fact that dust accumulated at the gas guide-out holes are raised again by gas, guarantees that the gas guide-out holes are unblocked, and guarantees normal operation of production.
Description
Technical field
The present invention relates to a kind of upright furnace coal gas derived type structure, particularly relate to a kind of anti-material lagging gas communication structure of upright furnace carbonization chamber.
Background technology
When utilizing external-heat upright furnace that low order fine coal is carried out dry distilling, when the coal gas produced in dry distillation of coal process is through the fine coal bed of material, the flowing of coal gas can be formed bigger resistance by the fine coal bed of material, coal gas is made to be difficult to discharge in carbonization chamber in time, cause carbonization room pressure too high, time serious, coking chamber wall can be produced destructive lesion.For this, a number of coal gas leadout hole is set frequently with the both sides headwall at carbonization chamber, coal gas is exported in time in the coal gas channel of gas collection of carbonization chamber both sides.
As it is shown in figure 1, be the structural representation of existing upright furnace carbonization chamber coal gas leadout hole, multiple coal gas leadout holes are high to setting along carbonization chamber in carbonization chamber end, and inwardly inclined downward is arranged.Due to the natural flow of material in carbonization chamber, the accumulation (B district shown in Fig. 1, A district is normally descending material) of a certain amount of material often can be formed at coal gas leadout hole place.The coal gas that in carbonization chamber, dry distilling produces could enter in coal gas channel of gas collection after needing the material piled up through this place.Be in the non-heated region outside carbonization chamber due to this place's material, the temperature of material is lower than the temperature of material in carbonization chamber, and when the material that coal gas is piled up through this place, the tar gas in coal gas will be condensed by material cooling and stick on material.In the process that material flows downward in carbonization chamber, the gravity making its slide downward that is subject to of material that this place piles up is far smaller than pressure that in the pressure of the above material suffered by sustained height material and stove, material is descending and is trapped in coal gas leadout hole place all the time.Along with in carbonization chamber, coal gas constantly passes coal gas leadout hole, condensation is constantly gathered herein in the material that tar gas in coal gas can be piled up, coal gas will be continuously increased through the resistance of this deposit bed of material, ultimately resulting in the blocking of coal gas leadout hole, coal gas cannot be derived and cause the exception of production process even to have an accident.
Summary of the invention
The invention provides a kind of anti-material lagging gas communication structure of upright furnace carbonization chamber, by adopting novel coal gas leadout hole structure, the material accumulation trapping phenomena at coal gas leadout hole place can be eliminated, while ensureing that coal gas leadout hole is unimpeded, prevent coal gas from again kicking up being deposited on coal gas leadout hole place dust and the dust content that increases in coal gas, ensure produce properly functioning.
In order to achieve the above object, the present invention realizes by the following technical solutions:
A kind of anti-material lagging gas communication structure of upright furnace carbonization chamber, including the multiple coal gas leadout holes being arranged between carbonization chamber and coal gas channel of gas collection on headwall, coal gas leadout hole in carbonization chamber end along the height of carbonization chamber to layout；Described coal gas leadout hole top sets introversion formula material diversion body, sets up defences laying dust barricade in bottom；Introversion formula material diversion body is to inclined downward inside headwall, and the angle of sloping portion lateral surface and horizontal plane is more than the complementary angle of repose angle of material, has vertical end face between medial surface and the lateral surface of introversion formula material diversion body；The medial surface of anti-laying dust barricade is concordant with headwall medial surface, and lateral surface tilts downwards and intersects with outside headwall, and its inclination angle is more than repose angle of material.
The curved surface that medial surface is plane or arbitrary shape of described introversion formula material diversion body, on medial surface, arbitrfary point tangent line is all higher than repose angle of material with the angle of horizontal plane.
The summit of described anti-laying dust barricade is higher than from the extraction of introversion formula material diversion body lower extreme point, with the intersection point of the lead-in wire that horizontal plane angle is repose angle of material with anti-laying dust barricade medial surface.
Compared with prior art, the invention has the beneficial effects as follows:
1) by arranging introversion formula material diversion body and anti-laying dust barricade; provide a kind of novel coal gas leadout hole structure; eliminate the material accumulation trapping phenomena at coal gas leadout hole place; avoid coal gas in carbonization chamber to be subject to bigger resistance when by coal gas leadout hole and cause carbonization room pressure to increase, cause production process fluctuation exception or production accident；
2) dust content again kicked up by the dust being deposited on coal gas leadout hole place when coal gas can be avoided to flow out and increase in coal gas, reduces the concentration of dust in coal gas；
3) ensure the unimpeded of coal gas leadout hole, ensure the properly functioning of production.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing coal gas leadout hole of the present invention.
Fig. 2 is the structural representation of anti-material lagging gas communication structure of the present invention.
Fig. 3 is the M portion enlarged drawing of Fig. 2.
In figure: 1. the anti-laying dust barricade of headwall 2. material 3. coal gas 4. introversion formula material diversion body 5.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
As shown in Fig. 2-Fig. 3, a kind of anti-material lagging gas communication structure of upright furnace carbonization chamber of the present invention, including the multiple coal gas leadout holes being arranged between carbonization chamber and coal gas channel of gas collection on headwall 1, coal gas leadout hole in the end of carbonization chamber along the height of carbonization chamber to layout；Described coal gas leadout hole top sets introversion formula material diversion body 4, sets up defences laying dust barricade 5 in bottom；Introversion formula material diversion body 4 is to inclined downward inside headwall 1, and the complementary angle that the angle G of sloping portion lateral surface and horizontal plane is more than repose angle of material C, has vertical end face between medial surface and the lateral surface of introversion formula material diversion body 4；The medial surface of anti-laying dust barricade 5 is concordant with headwall 1 medial surface, and lateral surface tilts downwards and intersects with outside headwall 1, and its inclination angle F is more than repose angle of material C.
The curved surface that medial surface is plane or arbitrary shape of described introversion formula material diversion body 4, on medial surface, arbitrfary point tangent line is all higher than repose angle of material C with the angle E of horizontal plane.
The summit of described anti-laying dust barricade 5 is higher than from the extraction of introversion formula material diversion body 4 lower extreme point, with the intersection point of the lead-in wire that horizontal plane angle is repose angle of material C with anti-laying dust barricade 5 medial surface.
As it is shown in figure 1, be the structural representation of existing coal gas leadout hole.Headwall 1 offers the coal gas leadout hole of multiple inside inclined downward, material 2 in carbonization chamber defines A, B two class region, the material 2 in A district along with below carbonization chamber the discharge of material constantly flow downward, at the B district material of coal gas leadout hole place natural packing formation then owing to the resistance of A district material can not move down when in carbonization chamber, material 2 is descending, thus being detained.
As shown in Fig. 2-Fig. 3, in the present invention, the angle of repose C formed after material 2 natural packing in coal gas amount that the size of introversion formula material diversion body 4 derives as required and carbonization chamber determines, to ensure to have enough gas to derive area.
The peak that the upper end of anti-laying dust barricade 5 contacts with anti-laying dust barricade 5 medial surface after natural packing in carbonization chamber higher than material 2, it is prevented that material 2 overflow goes out carbonization chamber.
Introversion formula material diversion body 4 is parallel with the flow direction of material 2 with the end face that material in carbonization chamber 2 contacts.
The medial surface that introversion formula material diversion body 4 contacts with material in carbonization chamber 2 can be plane, it can also be the curved surface of any shape, but the angle of repose C of material 2 natural packing formation that the angle E of the tangent line of medial surface arbitrfary point and horizontal plane is all higher than in carbonization chamber, to ensure that material 2 is not detained in introversion formula material diversion body 4 place.
The complementary angle of the angle of repose C that the lateral surface of introversion formula material diversion body 4 and the angle G of horizontal plane are formed more than material in carbonization chamber 2 natural packing, the derivation for gas reserves enough passages.
The angle of repose C that the lateral surface of anti-laying dust barricade 5 and the angle F of horizontal plane are formed more than material in carbonization chamber 2 natural packing, to avoid the dust deposit in coal gas 3 to be trapped in the lateral surface of anti-laying dust barricade 5.
Material 2 in carbonization chamber runs under gravity from top to bottom, when material 2 is through introversion formula material diversion body 4, material 2 flows to and changes, at introversion formula material diversion body 4 lower limb, material 2 natural packing under without hindrance state forms the charge level of inclination, continues to run downwards after contacting with anti-laying dust barricade 5.Being coal gas leadout hole between introversion formula material diversion body 4 and anti-laying dust barricade 5, the coal gas 3 that in carbonization chamber, dry distilling generates is derived after collecting through material to coal gas leadout hole place smoothly.
Adopt gas derived type structure of the present invention, can avoid being formed solid accumulation and delay at coal gas leadout hole place, avoid coal gas in carbonization chamber to be subject to bigger resistance when by coal gas leadout hole and cause carbonization room pressure to increase, also can avoid reentrainment of dust simultaneously, reduce the concentration of dust in coal gas.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.
Claims (3)
1. the anti-material lagging gas communication structure of upright furnace carbonization chamber, including the multiple coal gas leadout holes being arranged between carbonization chamber and coal gas channel of gas collection on headwall, coal gas leadout hole in carbonization chamber end along the height of carbonization chamber to layout；It is characterized in that, described coal gas leadout hole top sets introversion formula material diversion body, sets up defences laying dust barricade in bottom；Introversion formula material diversion body is to inclined downward inside headwall, and the angle of sloping portion lateral surface and horizontal plane is more than the complementary angle of repose angle of material, has vertical end face between medial surface and the lateral surface of introversion formula material diversion body；The medial surface of anti-laying dust barricade is concordant with headwall medial surface, and lateral surface tilts downwards and intersects with outside headwall, and its inclination angle is more than repose angle of material.
2. a kind of anti-material lagging gas communication structure of upright furnace carbonization chamber according to claim 1, it is characterized in that, the curved surface that medial surface is plane or arbitrary shape of described introversion formula material diversion body, on medial surface, arbitrfary point tangent line is all higher than repose angle of material with the angle of horizontal plane.
3. a kind of anti-material lagging gas communication structure of upright furnace carbonization chamber according to claim 1, it is characterized in that, the summit of described anti-laying dust barricade is higher than from the extraction of introversion formula material diversion body lower extreme point, with the intersection point of the lead-in wire that horizontal plane angle is repose angle of material with anti-laying dust barricade medial surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610227563.3A CN105713622B (en) | 2016-04-13 | 2016-04-13 | A kind of anti-material lagging gas communication structure of upright oven carbonization chamber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610227563.3A CN105713622B (en) | 2016-04-13 | 2016-04-13 | A kind of anti-material lagging gas communication structure of upright oven carbonization chamber |
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| CN105713622A true CN105713622A (en) | 2016-06-29 |
| CN105713622B CN105713622B (en) | 2018-06-22 |
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| CN201610227563.3A Active CN105713622B (en) | 2016-04-13 | 2016-04-13 | A kind of anti-material lagging gas communication structure of upright oven carbonization chamber |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09210564A (en) * | 1996-01-31 | 1997-08-12 | Nippon Steel Corp | Exhaust gas dry type dust removing apparatus |
| CN102952555A (en) * | 2011-08-26 | 2013-03-06 | 北京低碳清洁能源研究所 | Gaseous pyrolysis product collector and carbonaceous material pyrolysis or dry distillation device using same |
| CN105062525A (en) * | 2015-08-03 | 2015-11-18 | 中冶焦耐工程技术有限公司 | Gas collection apparatus in charring chamber |
| CN205556550U (en) * | 2016-04-13 | 2016-09-07 | 中冶焦耐工程技术有限公司 | Upright stove carbomorphism room prevents that material is detained gaseous conduction structure |
-
2016
- 2016-04-13 CN CN201610227563.3A patent/CN105713622B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09210564A (en) * | 1996-01-31 | 1997-08-12 | Nippon Steel Corp | Exhaust gas dry type dust removing apparatus |
| CN102952555A (en) * | 2011-08-26 | 2013-03-06 | 北京低碳清洁能源研究所 | Gaseous pyrolysis product collector and carbonaceous material pyrolysis or dry distillation device using same |
| CN105062525A (en) * | 2015-08-03 | 2015-11-18 | 中冶焦耐工程技术有限公司 | Gas collection apparatus in charring chamber |
| CN205556550U (en) * | 2016-04-13 | 2016-09-07 | 中冶焦耐工程技术有限公司 | Upright stove carbomorphism room prevents that material is detained gaseous conduction structure |
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|---|---|
| CN105713622B (en) | 2018-06-22 |
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Effective date of registration: 20180802 Address after: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee after: ACRE Coking And Refractory (Dalian) Engineering Consulting Corp., MCC Address before: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee before: ACRE Coking and Refractory Engineering Consulting Corporation, MCC |