CN202229198U - Sulfur tail gas processing heating furnace - Google Patents
Sulfur tail gas processing heating furnace Download PDFInfo
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- CN202229198U CN202229198U CN2011203331154U CN201120333115U CN202229198U CN 202229198 U CN202229198 U CN 202229198U CN 2011203331154 U CN2011203331154 U CN 2011203331154U CN 201120333115 U CN201120333115 U CN 201120333115U CN 202229198 U CN202229198 U CN 202229198U
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- heating furnace
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- tail gas
- furnace lining
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Abstract
The utility model belongs to the field of industrial furnace energy conservation, and particularly provides a sulfur tail gas processing heating furnace. The interior of the heating furnace is divided into a combusting area (1) and a mixing area (2), wherein a furnace liner in the combusting area (1) is a multi-layer composite furnace liner, and a furnace liner in the mixing area (2) is a single-layer furnace liner; and the heating furnace further includes an integral thermal-insulating cover, and the thermal-insulating cover is arranged on the outer wall of the heating furnace body. Compared with the prior art, the sulfur tail gas processing heating furnace has the advantages of reasonable arrangement as required and stable integral structure. The sulfur tail gas processing heating furnace has the characteristics of simple structure, stable model, saved material consumption, convenience for constructing and uniform and reasonable outer wall temperature, can ensure the outer wall temperature sufficient for keeping safety, and has important significance for energy conservation, environmental protection, ensuring safety operation, prolonging the service life and effectively reducing the use cost.
Description
Technical field
The utility model belongs to the industrial furnace energy-saving field, is specifically related to a kind of tail gas of sulphur and handles heating furnace, and it can be widely used in the structure Design of the energy-conservation stove of similar industrial furnace and the use of material.
Background technology
Energy shortage is the reality of the world today, and energy savings is the important tasks in various countries, and under this form, energy-conservation structure and material are mathematical to the importance of modern industry stove.
The Traditional industrial stove is the purpose that reaches fire resistant heat preserving, and furnace lining adopts heavy refractory material masonry to add 1 or 2 layer of heat-insulation layer usually, or adopts tube-in-tube structure, and fire-resistant heat insulating material is set up in layering.There is following shortcoming in these modes: the former is because the heavy burden that the heavy flame retardant coating of overall length has strengthened stove, and material usage is big, and whole investment is high; Material is provided with when blocked up, causes outside wall temperature low excessively easily, has strengthened the risk of dew point corrosion near the low temperature dew-point temperature; Be unfavorable for the long-term use of stove; And the latter has increased inner core heat-resisting alloy steel plate consumption, and structure is more complicated, and fire-resistant heat insulating material does not reduce yet.
The utility model content
The purpose of the utility model is to solve a difficult problem that exists in the above-mentioned prior art, provides a kind of tail gas of sulphur to handle heating furnace, can when design, adjust the furnace lining material layer thickness as required, guarantees the whole structure of refractory heat-insulating, keeps rational equipment outside wall temperature.The utility model is realized through following technical scheme:
A kind of tail gas of sulphur is handled heating furnace, adopts horizontal cylinder type vent gas treatment heating furnace, in the tube of said heating furnace furnace lining is housed; The inside of said heating furnace is divided into into combustion zone 1 and mixed zone 2, and said combustion zone 1 is that said mixed zone 2 is from annular restrictor ring to heating furnace tail end between burner end to the annular restrictor ring;
Furnace lining in said combustion zone 1 adopts multi-layer combined furnace lining, and the furnace lining in said mixed zone 2 adopts the individual layer furnace lining;
The multi-layer combined furnace lining of said combustion zone 1 is two layer composite furnace linings or three-layer combined furnace lining, when being two layer composite furnace linings, is disposed with corundum-mullite fire brick layer and back sheet from the inner walls of position to the heating furnace of direct contact flame; When being three-layer combined furnace lining, being disposed with corundum-mullite fire brick layer, alumina firebrick layer and back sheet from the inner walls of position to the heating furnace of direct contact flame, and guaranteeing the gross thickness >=250mm of multi-layer combined furnace lining;
Said back sheet adopts insulating refractory casting material;
The individual layer furnace lining of said mixed zone 2 adopts the insulating refractory casting material identical with the back sheet of combustion zone 1.
It is even that the thickness of said furnace lining should be kept heating furnace housing outside wall temperature, and the temperature of the outer wall metal of said combustion zone 1 and mixed zone 2 all remains between 160 ℃～300 ℃; Gross thickness>=the 250mm of said multi-layer combined furnace lining; Thickness≤the 100mm of said individual layer furnace lining.
Said corundum-mullite fire brick layer adopts corundum-mullite refractory brick to build by laying bricks or stones and forms, its splicing form adopt hoop and radially, the rebate flute profile formula of the two-sided four sides interlock of every brick.
On said multi-layer combined furnace lining and individual layer furnace lining, all have the hole, the corundum sleeve pipe is installed in said hole, the gross thickness of the furnace lining at the length of said corundum sleeve pipe and place, position is suitable; Fire brick layer in multi-layer combined furnace lining and back sheet junction, the outer wall of corundum sleeve pipe also is provided with the reinforcing ring of raised type, and said reinforcing ring embeds in the back sheet.
Said tail gas of sulphur is handled heating furnace and is comprised that further said heat shield is horizontal cylindrical shape around the outer monoblock type heat shield 3 of the housing that is arranged on heating furnace, plays the protective effect of heat insulation, anti-scald, rain and snow etc.;
Said heat shield 3 comprises fixed mount and cover plate; Said fixed mount is enclosed in outside the furnace body outer wall of whole heating furnace, and keeps certain distance with furnace body outer wall; Said cover plate is installed on the said fixed mount;
Said fixed mount is " birdcage ", comprises many group hoop laths and the vertical lath of many groups;
Said cover plate employing aluminium sheet rolls, assembled cylindrical shape;
Said heat shield 3 is non-sealed formula, and at the cross-sectional direction of any circumference, lower half circle bottom section and upper semi-circle top area are not sealed;
Be provided with rainhat at said heat shield 3 upper semi-circle tops.
In addition; The utility model is optimized processing to some specific positions of material use; On the inner walls surface of the heating furnace of combustion zone 1 and mixed zone 2, also be coated with and be brushed with the high temperature resistant acid-proof dope layer of one deck; Said high temperature resistant acid-proof dope layer is between inner walls and furnace lining, and the coating temperature resistant grade is not less than 500 ℃; The thickness of said high temperature resistant acid-proof dope layer is 2～3mm.
Compared with prior art, the beneficial effect of the utility model is:
(1) the utility model has been realized reasonable disposition, directed materials used, saving material usage as required through subregion is effectively carried out in body of heater inside, guarantees that outside wall temperature evenly, rationally;
(2) mode that combines inside and outside structurally adopting of the utility model is provided with heat shield simultaneously outside stove, novel structure, materials are simple;
(3) the utility model design of paying attention to detail takes into account sleeve pipe, coating etc., further guarantees whole result of use and prolongs furnace lining service life;
(4) the utility model overall structure pattern is stable, material usage is saved, easy construction.The utility model for energy-conserving and environment-protective, guarantee safety operation, increasing the service life and effectively reducing use cost has significance.
Description of drawings
Fig. 1 is the structural representation that the utility model tail gas of sulphur is handled heating furnace, and wherein, 1 is the combustion zone, and 2 is the mixed zone.
Fig. 2 is the circumference schematic cross-sectional view that the utility model tail gas of sulphur is handled the heat shield of heating furnace.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
1. the coupling of structure and material
As shown in Figure 1, the utility model combines type of furnace characteristics and temperature conditions, and inside heating furnace is divided into combustion zone 1 and mixed zone 2.High temperature combustion zone 1 adopts multilayer (double-deck or three layers) combined type furnace lining; Drain into the inner walls of heating furnace successively from the position of direct contact flame (in the middle of the burner hearth); Adopt the double-decker of one deck corundum-mullite refractory brick+one deck heat insulating casting material; Or the three-decker of employing one deck corundum-mullite refractory brick+one deck alumina firebrick+one deck heat insulating casting material, and guarantee this regional furnace lining gross thickness >=250mm.Mixed zone 2 is for adopting one deck heat insulating casting material, thickness≤100mm.
(thorax is a flame zone to the furnace wall that contacts with flame in middle; So contact with flame be near that layer of center line on the figure) adopt high-intensity corundum-mullite refractory brick, that firebrick structure should adopt is two-way (hoop and radially), the special brick type of the four sides interlock of two-sided (two contact-making surfaces of every each direction of brick).
2. the orientation of material is used
The utility model is a starting point so that zones of different to be set, so material chosen and combination are more flexible, more targeted.
The combustion zone focuses on the solution high temperature problem; Require on the one hand should be not less than 1650 ℃ with the material layer temperature grade of flame contact position; Increase this regional furnace lining number of plies simultaneously or control every layer thickness, intercepted after making heat through the set material of each layer, thereby reach fire-resistant, heat insulation effect.And temperature has descended in the flue gas mixed zone, and institute's materials used kind, grade and structure are all different with adjacent combustion zone.
3. the outer setting heat shield is protected the hot wall type heating furnace
Usually this type of industrial furnace outer wall design temperature higher (>=150 ℃) belongs to the hot wall type heating furnace, and the protective structures of keeping hot wall must be set.The utility model is put monoblock type heat shield 3 in the winding of furnace shell outer shroud, and is as shown in Figure 2, is horizontal cylindrical shape also, plays the protective effect of heat insulation, anti-scald, rain and snow etc.
4. internals optimization
According to the adapter of the different size of the process stream that is provided with on the apparatus body, instrument nozzle etc., corresponding drilling on furnace lining material is used for material input, and thermometric, pressure measurement etc.Wash away damage for alleviating media flow, or space between hierarchy is had a negative impact, corundum sleeve pipe (Al all is set in each perforate the furnace lining surface
2O
3Content>=99%) protects.Casing length is suitable with position furnace lining total thickness.Outside the sleeve pipe of different furnace lining layers junction, the raised type reinforcing ring is set, increases integral rigidity.
The utility model combines the characteristics and the Temperature Distribution of the general horizontal cylinder type of furnace; The two-region design is carried out in the front and back segmentation; Take into account the demand of different temperature district (combustion zone 1 and mixed zone 2); Adjustment fire-resistant heat insulating material structure, the refractory heat-insulating performance index of optimization material is controlled the Rational Thickness of furnace lining.Through subregion setting effectively, the raising of material property and the orientation of material are used, and simplify material, and comprehensive price ratio is more excellent.The utility model is that the concrete working condition that is directed against the sulfur recovery facility heating furnace designs, and has considered the cooling degree of mixed zone, the number of plies and kind that the structure before and after having adjusted flexibly in the subregion is formed; In stove, be provided with on the basis of refractory heat-insulating furnace lining, stove is provided with the aluminum heat shield outward.
The applicable firing equipment of the utility model be combined into: the horizontal cylinder type sulphur unit tail gas heating furnace of operating temperature (blending agent)≤800 ℃.
Technique scheme is a kind of embodiment of the utility model; For those skilled in the art; On the basis that the utility model discloses application mode and principle, be easy to make various types of improvement or distortion, and be not limited only to the described mode of the above-mentioned specific embodiment of the utility model; Therefore the mode of front description is just preferred, and does not have restrictive meaning.
Claims (7)
1. a tail gas of sulphur is handled heating furnace, and its structure adopts horizontal cylinder type, it is characterized in that: in the tube of said heating furnace furnace lining is housed; The inside of said heating furnace is divided into into combustion zone (1) and mixed zone (2), and said combustion zone (1) is that said mixed zone (2) are from annular restrictor ring to heating furnace tail end between burner end to the annular restrictor ring;
Furnace lining in said combustion zone (1) adopts multi-layer combined furnace lining, and the furnace lining in said mixed zone (2) adopts the individual layer furnace lining;
The multi-layer combined furnace lining of said combustion zone (1) is two layer composite furnace linings or three-layer combined furnace lining, when being two layer composite furnace linings, is disposed with corundum-mullite fire brick layer and back sheet from the inner walls of position to the heating furnace of direct contact flame; When being three-layer combined furnace lining, be disposed with corundum-mullite fire brick layer, alumina firebrick layer and back sheet from the inner walls of position to the heating furnace of direct contact flame;
Said back sheet adopts insulating refractory casting material;
The single layer structure furnace lining of said mixed zone (2) adopts the identical insulating refractory casting material of back sheet with combustion zone (1).
2. tail gas of sulphur according to claim 1 is handled heating furnace, it is characterized in that: the gross thickness>=250mm of said multi-layer combined furnace lining; Thickness≤the 100mm of said individual layer furnace lining.
3. tail gas of sulphur according to claim 1 is handled heating furnace; It is characterized in that: said corundum-mullite fire brick layer adopts corundum-mullite refractory brick to build by laying bricks or stones and forms, its splicing form adopt hoop and radially, the rebate flute profile formula of the two-sided four sides interlock of every brick.
4. tail gas of sulphur according to claim 1 is handled heating furnace; It is characterized in that: on said multi-layer combined furnace lining and individual layer furnace lining, all have the hole; The corundum sleeve pipe is installed in said hole, and the gross thickness of the furnace lining at the length of said corundum sleeve pipe and place, position is suitable; Fire brick layer in multi-layer combined furnace lining and back sheet junction, the outer wall of corundum sleeve pipe also is provided with the reinforcing ring of raised type, and said reinforcing ring embeds in the back sheet.
5. tail gas of sulphur according to claim 1 is handled heating furnace; It is characterized in that: said tail gas of sulphur is handled heating furnace and is further comprised around the outer monoblock type heat shield (3) of the housing that is arranged on heating furnace; Said heat shield is horizontal cylindrical shape, plays the protective effect of heat insulation, anti-scald, rain and snow etc.;
Said heat shield (3) comprises fixed mount and cover plate; Said fixed mount is enclosed in outside the furnace body outer wall of whole heating furnace, and keeps certain distance with furnace body outer wall; Said cover plate is installed on the said fixed mount;
Said fixed mount is " birdcage ", comprises many group hoop laths and the vertical lath of many groups;
Said cover plate employing aluminium sheet rolls, assembled cylindrical shape;
Said heat shield (3) is non-sealed formula, and at the cross-sectional direction of any circumference, lower half circle bottom section and upper semi-circle top area are not sealed.
6. tail gas of sulphur according to claim 5 is handled heating furnace, and it is characterized in that: the upper semi-circle top at said heat shield (3) is provided with rainhat.
7. tail gas of sulphur according to claim 1 is handled heating furnace; It is characterized in that: on the inner walls surface of the heating furnace of combustion zone (1) and mixed zone (2), also be coated with and be brushed with the high temperature resistant acid-proof dope layer of one deck, said high temperature resistant acid-proof dope layer is between inner walls and furnace lining; Said high temperature acid-proof coating temperature resistant grade is not less than 500 ℃; Said high temperature resistant acid-proof thickness of coating layer is 2～3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203331154U CN202229198U (en) | 2011-09-06 | 2011-09-06 | Sulfur tail gas processing heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203331154U CN202229198U (en) | 2011-09-06 | 2011-09-06 | Sulfur tail gas processing heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202229198U true CN202229198U (en) | 2012-05-23 |
Family
ID=46079783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203331154U Expired - Lifetime CN202229198U (en) | 2011-09-06 | 2011-09-06 | Sulfur tail gas processing heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202229198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654317A (en) * | 2014-12-22 | 2015-05-27 | 贞丰县北盘江镇鸿发实木家具厂 | Tail gas treatment equipment of charcoal kiln |
| CN108151036A (en) * | 2018-02-08 | 2018-06-12 | 上海第升环保科技有限公司 | Volatile organic gases incineration disposal complexes |
-
2011
- 2011-09-06 CN CN2011203331154U patent/CN202229198U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654317A (en) * | 2014-12-22 | 2015-05-27 | 贞丰县北盘江镇鸿发实木家具厂 | Tail gas treatment equipment of charcoal kiln |
| CN108151036A (en) * | 2018-02-08 | 2018-06-12 | 上海第升环保科技有限公司 | Volatile organic gases incineration disposal complexes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: Sinopec Engineering Incorporation Patentee after: China Petrochemical Group Corp. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee before: Engrg Construction Co., SINOPEC Patentee before: China Petrochemical Group Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |