CN202814060U - Airtight annular heating unit for isolating air - Google Patents
Airtight annular heating unit for isolating air Download PDFInfo
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- CN202814060U CN202814060U CN 201220408095 CN201220408095U CN202814060U CN 202814060 U CN202814060 U CN 202814060U CN 201220408095 CN201220408095 CN 201220408095 CN 201220408095 U CN201220408095 U CN 201220408095U CN 202814060 U CN202814060 U CN 202814060U
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Abstract
The utility model discloses an airtight annular heating unit for isolating air. The airtight annular heating unit for isolating the air comprises an outer ring furnace wall, an inner ring furnace wall, a furnace top and an annular furnace body which is formed by rotating the furnace bottom, wherein a sealing device is arranged at the bottom of a furnace, an airtight feeder unit is arranged on the top of the furnace, and the annular furnace body is enabled to form an airtight furnace cavity. A radiation heating device which extends to the inner portion of the airtight furnace cavity and an airtight discharge device which extends out of the airtight furnace cavity are respectively fixed on the outer ring furnace wall, and a gas collection port is formed in the top of the furnace. A hob frame is supported on the top of the furnace bottom, and a rotating pin and an annular guide groove are arranged at the bottom of the furnace bottom. The bottom of the furnace is arranged on a concrete foundation in a supported mode through a carrier roller. A power plant located close to one side of the outer ring furnace wall is connected with the rotating pin which is at the bottom of the furnace, and a centering wheel located close to one side of the inner ring furnace wall is connected with the annular guide groove which is at the bottom of the furnace. The airtight annular heating unit for isolating the air has the advantages of enlarging the laying area of the materials inside the furnace, improving the output, enabling the gas composition inside the furnace completely not to be interfered by the outside air when the materials are heated and achieving a continuous production of feeding-heating-discharging.
Description
Technical field
The utility model relates to a kind of heating furnace, especially relates to a kind of airtight ring shaped heating mechanism of secluding air.
Background technology
In the industries such as chemical industry, metallurgy, machinery, building materials, often need to carry out heating operation to various bulk raw materials and process purposes such as reaching raw material roasting volatilization, segregation or drying.The equipment of realizing above operation is called heating kiln, is the heat that a class adopts fuel combustion or electric energy conversion to produce, the equipment that material is heated.Existing industry heating kiln can be divided into two kinds of discontinuous heating kiln and continous way heating kilns, wherein, the discontinuous heating kiln relatively is typically cell-type heating kiln, car-type heating kiln etc., be characterized in that kiln is interrupted production, that advantage is is easy and simple to handle, heating uniformity good, be easy to control, but the circulation adjustment process of material of the every heating of this type of kiln with regard to needing furnace temperature is once heated up-lowers the temperature, need again when again heating to heat up, so specific energy consumption is high, be only suitable for the heat treated of small lot materials; Continuous-type furnace such as rotary furnace, tunnel heating furnace, vertical shaft furnace, rotary heating furnace etc., be characterized in to realize producing continuously, divide temperature section in the burner hearth, the temperature of each section is constant in heating process, material is progressively entered the thermal treatment zone of high temperature by the preheating zone of low temperature, the variations such as concurrent biological reason, chemistry can be produced small sized product of the same type in a large number, and specific energy consumption is significantly less than periodic kilns the kiln.
The process that heats for some bulk cargo; for reaching specific process for stabilizing condition and requirement; as passing into the inert gas shielding material in the stove; or during the high-purity volatilization gas that produces in the collection material heating process; must guarantee in the stove working space in heating process all the time with isolate from outer air; avoid gas leakage and air amount, this sealing property for the various piece such as the furnace shell that forms heating furnace, masonry, fire door, heater even all parts has had very high requirement.In the present existing industrial technology, satisfy the above kiln that requires and mostly be greatly the discontinuous kiln, in fact, adopt discontinuous kiln form to realize that the device of secluding air heating is comparatively simple, reason is to heat up in the stove-and cooling carries out in the heating process material, can close at any time the position that fire door, feed inlet and outlet, pore etc. and outside air are easy to contact.And as the most widely used type of furnace in the present industrial production, the closure production of continuous-type furnace never improves and solves reliably, and outside air still very easily enters affects the furnace gas composition in the body of heater heating clamber.Therefore, realize serialization production, and can reach the totally-enclosed continuous-type furnace that some bulk cargo heats to have more widely application prospect under the special process requirement.Also there is methods such as relating to water seal arrangement sealing, the interior radiant tube heating of furnace cavity to realize the isolated of rotary hearth furnace furnace gas and the external world in the existing patented technology, but this patent does not relate to the consideration for the sealing of body of heater charging/discharging device and furnace inner gas pressure stability, the effect that does not reach real secluding air.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, a kind of airtight ring shaped heating mechanism of secluding air is provided, can make the interior material of stove in being heated process, the composition of furnace gas is not subjected to the interference of outside air fully, and can realize the serialization production of charging-heating-discharging.
The purpose of this utility model is achieved through the following technical solutions:
A kind of airtight ring shaped heating mechanism of secluding air, comprise the furnace wall that outer shroud furnace wall, interior ring oven wall consist of, the annular body of heater that the furnace bottom formation of furnace wall, furnace roof and rotation is arranged, described furnace bottom is provided with sealing device, described furnace roof is provided with closed-type feed device and gas collection mouth, make described annular body of heater consist of airtight furnace chamber, be fixed with respectively the radiant heating device that extends to airtight furnace chamber inside on the described outer shroud furnace wall and extend the outer airtight drawing mechanism of airtight furnace chamber, described furnace bottom top is supported with the stone or metal plate for standing a stove on as a precaution against fire framework, and the bottom of furnace bottom is provided with rotary pin shaft and annular guide channel; Furnace bottom is supported by carrying roller, is installed on the concrete foundation, and the power set that are positioned at nearly described outer shroud furnace wall one side link to each other with the rotary pin shaft engagement of described furnace bottom, drive described furnace bottom rotation; Be positioned at the centering wheel of nearly described ring oven wall one side and the annular guide channel of described furnace bottom and join the axiality when guaranteeing described furnace bottom rotation.
According to the heating material temperature requirement, be provided with partition wall between described outer shroud furnace wall and the interior ring oven wall, the annular chamber between outer shroud furnace wall and the interior ring oven wall is isolated into preheating zone I, thermal treatment zone II and cooling zone III.
Preferably, described stone or metal plate for standing a stove on as a precaution against fire framework is the bracing frame that upper surface is the inclined-plane, is provided with above it fire-resistant heat insulating material, is equipped with the material that needs heating above described fire-resistant heat insulating material; The bevel angle of described stone or metal plate for standing a stove on as a precaution against fire framework is the 20-50 degree, and concrete numerical value can be according to the angle of repose design that is heated material.
Preferably, described stone or metal plate for standing a stove on as a precaution against fire framework surface bottom is connected with stock stop, and described airtight drawing mechanism is arranged on this stock stop below, and extends out to outside the furnace chamber along the stone or metal plate for standing a stove on as a precaution against fire framework surface bottom of described closed-type feed device below.
Preferably, described annular body of heater consists of housing by outer shroud furnace wall, furnace roof, interior ring oven wall and the furnace bottom of steel construction, this inner walls lining cutting fire-resistant heat insulating material.
Preferably, described fire-resistant heat insulating material is refractory brick or refractory fibre building materials.
Preferably, described sealing device comprises cannelure, annular fixed blade and annular cutting blade, described cannelure is supported by the connector that is fixed in furnace wall, described annular fixed blade is fixed on the furnace wall of upside of the ring groove, described annular cutting blade is connected on the fire-resistant heat insulating material of furnace bottom top, described annular fixed blade and annular cutting blade all insert in the cannelure, and the lower end is immersed in the interior sealing medium of this cannelure.
Preferably, described sealing medium is sand or water.
Preferably, described radiant heating device is one or more of electrical heating radiant tube, heating using microwave radiant tube or isolated flue gas radiant tube, and described radiant heating device is distributed with several along the furnace wall perisporium; Described radiant heating device stretches out furnace wall one end and is connected with regenerative apparatus.The fuel of described isolated flue gas radiant tube is in the radiant tube internal combustion, and flue gas does not enter airtight furnace chamber.
Preferably, described gas collection mouth is located on the furnace roof fire resisting material, and the gas collection mouth has one or more, and gas collection mouth inside is filled with asbestos or steel rider sealing medium, be provided with valve on the gas collection mouth, or realize the body of heater pressure-fired sealing by the aperture of by-pass valve control.
Preferably, the sealing means of described closed-type feed device and airtight drawing mechanism is the material sealing.
Compared with prior art, the beneficial effects of the utility model are: the utility model has considered many-sided seal approach such as the sealing of annular heating furnace equipment body, charging/discharging device sealing, heater sealing, the sealing of body of heater gas pressure, can really realize the inner and outside air maintenance totally-enclosed state of furnace chamber, keep atmosphere purity in the furnace chamber; Heating uniformity is good in the furnace chamber, and temperature is adjustable, and safe and reliable, can realize the serialization production of material secluding air heating, and is applied widely; Material is laid area change, output increased in the stove.
Description of drawings
Fig. 1 is the structural representation of the airtight rotary heating furnace of a kind of secluding air of the utility model embodiment;
Fig. 2 is A-A place profile in Fig. 1 structural representation;
Fig. 3 is the partial enlarged drawing of sealing device in Fig. 1 profile.
Among the figure: 1, outer shroud furnace wall; 2, furnace roof; 3, interior ring oven wall; 4, furnace bottom; 5, stone or metal plate for standing a stove on as a precaution against fire framework; 6, sealing device; 6a, cannelure; 6b, annular fixed blade; 6c, annular cutting blade; 7, carrying roller; 8, centering wheel; 9, power set; 10, fire-resistant heat insulating material; 11, closed-type feed device; 12, airtight drawing mechanism; 13, regenerative apparatus; 14, radiant heating device; 15, gas collection mouth; 16, material; 17, concrete foundation; 18, stock stop; 19, partition wall.
I, preheating zone; II, the thermal treatment zone; III, cooling zone.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.It below only is preferred embodiment of the present utility model; protection domain of the present utility model is not limited to this; any those skilled in the art can be easy to the change of carrying out or change be encompassed within the protection domain of the present utility model in open scope of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Shown in accompanying drawing 1, accompanying drawing 2, the airtight ring shaped heating mechanism of this secluding air comprises the furnace wall that is made of fixing outer shroud furnace wall 1, fixing interior ring oven wall 3, furnace wall, fixing furnace roof 2 is arranged and annular body of heater that the furnace bottom 4 that rotates consists of; Wherein, annular body of heater is made housing by steel construction, and inner walls lining cutting fire-resistant heat insulating material 10, fire-resistant heat insulating material 10 are refractory brick or refractory fibre building materials; Circumferential weld between the furnace bottom 4 that rotates and outer shroud furnace wall 1, the interior ring oven wall 3 adopts sealing device 6 sealings, makes the airtight furnace chamber of the inner formation of body of heater; Furnace roof 2 is provided with closed-type feed device 11 and gas collection mouth 15, and the sealing means of closed-type feed device 11 is the material sealing; Be fixed with respectively the radiant heating device 14 that extends to airtight furnace chamber inside on the outer shroud furnace wall 1 and extend the outer airtight drawing mechanism 12 of airtight furnace chamber; Furnace bottom 4 tops are supported with stone or metal plate for standing a stove on as a precaution against fire framework 5, and the bottom of furnace bottom 4 is provided with rotary pin shaft and annular guide channel; Furnace bottom 4 is supported by carrying roller 7, is installed on the concrete foundation 17; The power set 9 that are positioned at nearly described outer shroud furnace wall 1 one sides link to each other by the pin tooth engagement with the rotary pin shaft of furnace bottom 4, and power set 9 drive furnace bottom 4 rotations; Be positioned at the centering wheel 8 of nearly described ring oven wall 3 one sides and the annular guide channel of furnace bottom 4 and join the axiality when 8 on centering wheel guarantees furnace bottom 4 rotation.
Among Fig. 2, be provided with partition wall 19 between outer shroud furnace wall 1 and the interior ring oven wall 3, the annular chamber between outer shroud furnace wall 1 and the interior ring oven wall 3 is isolated into preheating zone I, thermal treatment zone II and cooling zone III.
In the specific embodiment, furnace bottom 4 is supported with stone or metal plate for standing a stove on as a precaution against fire framework 5, and the upper surface of stone or metal plate for standing a stove on as a precaution against fire framework 5 is that angle is the inclined-plane of 35 degree, and the top is provided with fire-resistant heat insulating material 10, fire-resistant heat insulating material 10 is refractory brick in the present embodiment, is equipped with the material 16 that needs heating above refractory brick; Stone or metal plate for standing a stove on as a precaution against fire framework 5 surface bottoms are connected with stock stop 18 and airtight drawing mechanism 12, airtight drawing mechanism 12 is arranged on this stock stop 18 belows, and stone or metal plate for standing a stove on as a precaution against fire framework 5 surface bottoms along described closed-type feed device 11 belows extend out to outside the furnace chamber, and its sealing means is the material sealing.
Furnace roof fire-resistant heat insulating material 10 is provided with one or more gas collection mouths 15, gas collection mouth 15 inner asbestos or the steel rider sealing mediums of filling, or by controlling the aperture realization body of heater pressure-fired sealing of valve on the gas collection mouth 15.
As shown in Figure 3, take the structural representation of water seal mode for sealing device 6, sealing device 6 comprises cannelure 6a and annular fixed blade 6b and annular cutting blade 6c, the annular fixed blade is fixed on the furnace wall of cannelure 6a top, cannelure 6a is supported by the connector that is fixed in furnace wall, annular cutting blade 6c is connected on the fire-resistant heat insulating material 10 of furnace bottom 4 tops, annular fixed blade 6b and annular cutting blade 6c all insert in the cannelure 6a, the lower end is immersed in the interior water of cannelure 6a, makes outer shroud furnace wall 1, furnace roof 2, interior ring oven wall 3, form the sealed furnace cavity space of isolated outside air between the furnace bottom 4.Sealing device 6 can also be taked the mode of sand seal.
In the specific embodiment, radiant heating device 14 is isolated flue gas radiant tube, radiant heating device 14 is fixed along outer shroud furnace wall 1 perisporium hoop, and the requirement for temperature in the stove during by heating material arranges that the end that radiant heating device 14 stretches out furnace wall is regenerative apparatus 13; The fuel of isolated flue gas radiant tube is in the radiant tube internal combustion, and flue gas does not enter airtight furnace chamber.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model; can not assert that the specific embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all should be considered as belonging to the protection domain that the utility model is determined by claims of submitting to.
Claims (10)
1. the airtight ring shaped heating mechanism of a secluding air, comprise the furnace wall that is consisted of by outer shroud furnace wall (1), interior ring oven wall (3), the annular body of heater that is consisted of by furnace wall, furnace roof (2) and the furnace bottom (4) that rotates, it is characterized in that, described furnace bottom (4) is provided with sealing device (6), makes the airtight furnace chamber of the inner formation of described annular body of heater; Described furnace roof (2) is provided with closed-type feed device (11) and gas collection mouth (15), is fixed with respectively on the described outer shroud furnace wall (1) to extend to the radiant heating device (14) in the airtight furnace chamber and extend the outer airtight drawing mechanism (12) of airtight furnace chamber; Described furnace bottom (4) top is supported with stone or metal plate for standing a stove on as a precaution against fire framework (5), and the bottom of furnace bottom (4) is provided with rotating dog bearing pin and annular guide channel; Furnace bottom (4) is supported by carrying roller (7), is installed on the concrete foundation (17); The power set (9) that are positioned at nearly described outer shroud furnace wall (1) one side link to each other with the rotary pin shaft engagement of described furnace bottom (4), are positioned at the centering wheel (8) of nearly described ring oven wall (3) one sides and the annular guide channel of described furnace bottom (4) and join.
2. the airtight ring shaped heating mechanism of a kind of secluding air according to claim 1, it is characterized in that, be provided with partition wall (19) between described outer shroud furnace wall (1) and the interior ring oven wall (3), the annular chamber between outer shroud furnace wall (1) and the interior ring oven wall (3) is isolated into preheating zone I, thermal treatment zone II and cooling zone III.
3. the airtight ring shaped heating mechanism of a kind of secluding air according to claim 1, it is characterized in that, described annular body of heater consists of housing, this inner walls lining cutting fire-resistant heat insulating material (10) by outer shroud furnace wall (1), furnace roof (2), interior ring oven wall (3) and the furnace bottom (4) of steel construction.
4. the airtight ring shaped heating mechanism of a kind of secluding air according to claim 1, it is characterized in that, described stone or metal plate for standing a stove on as a precaution against fire framework (5) is the bracing frame on inclined-plane for upper surface, be provided with above it fire-resistant heat insulating material (10), be equipped with the material (16) that needs heating in described fire-resistant heat insulating material (10) top; The bevel angle of described stone or metal plate for standing a stove on as a precaution against fire framework (5) is the 20-50 degree.
5. the airtight ring shaped heating mechanism of a kind of secluding air according to claim 4, it is characterized in that, described stone or metal plate for standing a stove on as a precaution against fire framework (5) surface bottom is connected with stock stop (18), described airtight drawing mechanism (12) is arranged on this stock stop (18) below, and extends out to outside the furnace chamber along stone or metal plate for standing a stove on as a precaution against fire framework (5) surface bottom of described closed-type feed device (11) below.
6. the airtight ring shaped heating mechanism of a kind of secluding air according to claim 5 is characterized in that, described fire-resistant heat insulating material (10) is refractory brick or refractory fibre building materials.
7. the airtight ring shaped heating mechanism of a kind of secluding air according to claim 1, it is characterized in that, described sealing device (6) comprises cannelure (6a) and annular fixed blade (6b) and annular cutting blade (6c), described cannelure (6a) is supported by the connector that is fixed in furnace wall, described annular fixed blade (6b) is fixed on the furnace wall of cannelure (6a) top, described annular cutting blade (6c) is connected on the fire-resistant heat insulating material (10) of described furnace bottom (4) top, described annular fixed blade (6b) and annular cutting blade (6c) all insert in the cannelure (6a), and the lower end is immersed in the interior sealing medium of this cannelure (6a).
8. the airtight ring shaped heating mechanism of a kind of secluding air according to claim 7 is characterized in that, described sealing medium is sand or water.
9. the airtight ring shaped heating mechanism of a kind of secluding air according to claim 1, it is characterized in that, described radiant heating device (14) is one or more of electrical heating radiant tube, heating using microwave radiant tube or isolated flue gas radiant tube, and described radiant heating device (14) is distributed with several along the furnace wall perisporium; Described radiant heating device (14) stretches out furnace wall one end and is connected with regenerative apparatus (13).
10. the airtight ring shaped heating mechanism of a kind of secluding air according to claim 1, it is characterized in that, described gas collection mouth (15) is located on the furnace roof fire resisting material (10), gas collection mouth (15) has one or more, gas collection mouth (15) inside is filled with asbestos or steel rider sealing medium, and the gas collection mouth is provided with valve on (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220408095 CN202814060U (en) | 2012-08-17 | 2012-08-17 | Airtight annular heating unit for isolating air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220408095 CN202814060U (en) | 2012-08-17 | 2012-08-17 | Airtight annular heating unit for isolating air |
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| Publication Number | Publication Date |
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| CN202814060U true CN202814060U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220408095 Withdrawn - After Issue CN202814060U (en) | 2012-08-17 | 2012-08-17 | Airtight annular heating unit for isolating air |
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| CN (1) | CN202814060U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778128A (en) * | 2012-08-17 | 2012-11-14 | 西安瑞驰节能工程有限责任公司 | Airtight-ring-type heating furnace insulating from air |
| CN104817084A (en) * | 2015-03-30 | 2015-08-05 | 北京神雾环境能源科技集团股份有限公司 | Calcium carbide smelting furnace |
| CN106017096A (en) * | 2016-05-16 | 2016-10-12 | 武家强 | Rotary chair type fast sintering furnace for zirconia for dental department |
| CN113290147A (en) * | 2020-02-21 | 2021-08-24 | C.R.F.阿西安尼顾问公司 | Method for moulding sheet material into parts of complex shape with regions of different properties |
| CN113290148A (en) * | 2020-02-21 | 2021-08-24 | C.R.F.阿西安尼顾问公司 | Method for moulding sheet material into parts of complex shape with regions of different properties |
-
2012
- 2012-08-17 CN CN 201220408095 patent/CN202814060U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778128A (en) * | 2012-08-17 | 2012-11-14 | 西安瑞驰节能工程有限责任公司 | Airtight-ring-type heating furnace insulating from air |
| CN104817084A (en) * | 2015-03-30 | 2015-08-05 | 北京神雾环境能源科技集团股份有限公司 | Calcium carbide smelting furnace |
| CN106017096A (en) * | 2016-05-16 | 2016-10-12 | 武家强 | Rotary chair type fast sintering furnace for zirconia for dental department |
| CN113290147A (en) * | 2020-02-21 | 2021-08-24 | C.R.F.阿西安尼顾问公司 | Method for moulding sheet material into parts of complex shape with regions of different properties |
| CN113290148A (en) * | 2020-02-21 | 2021-08-24 | C.R.F.阿西安尼顾问公司 | Method for moulding sheet material into parts of complex shape with regions of different properties |
| CN113290148B (en) * | 2020-02-21 | 2023-11-07 | C.R.F.阿西安尼顾问公司 | Method for molding sheet material into parts of complex shape having regions of different properties |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130320 Effective date of abandoning: 20140702 |
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| RGAV | Abandon patent right to avoid regrant |