CN101245969A - Sealing stove burner for calcined soda steam calcining furnace - Google Patents
Sealing stove burner for calcined soda steam calcining furnace Download PDFInfo
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- CN101245969A CN101245969A CNA2008100450309A CN200810045030A CN101245969A CN 101245969 A CN101245969 A CN 101245969A CN A2008100450309 A CNA2008100450309 A CN A2008100450309A CN 200810045030 A CN200810045030 A CN 200810045030A CN 101245969 A CN101245969 A CN 101245969A
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Abstract
The invention discloses a sealing furnace end used for a soda steam calciner, comprising a nozzle which is provided with an air hole and is arranged on a furnace body, an alkali returning mechanism which is provided with an alkali collecting box and an alkali returning pipe chute, an air outlet square box which is sheathed on the nozzle and is provided with a sleeve, a movable sealing ring and a fixed sealing ring which are arranged on the external ring surface, and a base, a flexible sealing joint and a cylinder. As the alkali returning mechanism is added at the rear part of the original furnace end and a spiral alkali pushing mechanism, a combined labyrinth and a floating ring which are arranged between the nozzle and the air outlet square box sleeve originally are cancelled, the sealing furnace end used for a soda steam calciner breaks through the traditional sealing design concept and structure, changes the blocking into dredging, simplifies the sealing structure, ensures no leakage of the alkali powder in the operation process, and is characterized by advanced design principle, simple and reliable structure, effectively preventing the leakage of the alkali powder and the pollution to the environment, improving the utilization ratio of the resources, reducing the production cost, etc.
Description
Technical field
The invention belongs in the chemical production equipment and the matching used sealed burner of rotary calcining (drying) stove.Particularly a kind of and stove tail go out that the soda ash steam roaster of alkali is supporting uses sealed burner; Also can with the supporting use of the husky swinging drying oven of cement rotary furnace, ore deposit.
Background technology
Oven body part was executed commentaries on classics when the rotary calcining furnaceman did, the burner main part is static, and therefore the sealing requirements of connecting portion is higher between the two.Conventional and swinging soda ash steam roaster be supporting uses sealed burner, all adopt moving, stationary ring mechanical seal influences the furnace gas concentration of carbon dioxide that the weight alkali calcining process generates to prevent that air from entering in the stove, wherein rotating ring is fixed on the body of heater and with its rotation, simultaneously in order to prevent the leakage of soda ash dust in the stove, annular space between sleeve pipe on burner is given vent to anger square chest and the converter nose outer wall is provided with spiral and pushes away alkali mechanism, combined type labyrinth and floating ring adopt the mode of the stifled powder of reverse pushing-type to prevent that ground caustic from being spilt through the dynamic and static ring sealing face by the converter nose and the gap of giving vent to anger between the square chest body.Adopt this kind structure and " blocking up " though mode can prevent that air from entering in the stove, but be difficult to prevent that ground caustic from being leaked through quiet movable sealing anchor ring by anti-gap, labyrinth and the floating ring that pushes away spiral and give vent to anger between the square chest body, the of a specified duration more or calcining furnace distortion of equipment operation, leak serious more, with dry amount per hour is that this type of calcining furnace of 25T is an example, and its leakage rate is generally 300～500kg, can reach 1000kg when serious, the ground caustic that leaks is contaminated environment not only, and causes the wasting of resources.Thereby there is complex structure in the sealed burner of said structure, and sealing means and mentality of designing are scientific poor, and material from leakage in service and environmental pollution are serious, disadvantages such as production cost height.
Summary of the invention
The objective of the invention is a kind of sealing stove burner for calcined soda steam calcining furnace of research and design, on the basis that changes conventional seals thinking and hermetically-sealed construction, reach the simplification hermetically-sealed construction, prevent that effectively ground caustic from leaking and environmental pollution, reduce production costs and material loss, improve purposes such as resource utilization.
Solution of the present invention is the disadvantage that exists at background technology, and the anti-spiral etc. of pushing away of former employing is prevented Design Thinking and the hermetically-sealed construction that alkali leaks with " block up ", changes into and adopts the mode (structure) of dredging to prevent the ground caustic leakage.Promptly between burner rear portion and body of heater, set up the accumulation of salt in the surface soil mechanism that a cover comprises collection alkali case and accumulation of salt in the surface soil elephant trunk, cancelling the former burner of being located at simultaneously gives vent to anger between square chest body and the converter nose outer wall in order to the stifled powder mechanism that prevents that reverse pushing-type spiral, combined type labyrinth and floating ring etc. that ground caustic passes through from forming, the ground caustic that enters between the two dried ground caustic (batching) input endless tube direct by the accumulation of salt in the surface soil mechanism that sets up or on being located at body of heater is returned in the body of heater, and the sealing of air is still cooperated realization by dynamic and static sealing ring.Therefore, burner of the present invention comprises the converter nose of being located at band pore on the body of heater, rotary packing ring and ring seat, be placed on the converter nose and the square chest of giving vent to anger with well, be located at the seal ring seat of flexible sealing joint on the sleeve pipe outer ring surface, band stationary seal ring and the cylinder of sealing load is provided, key is to comprise collection alkali case and be located at accumulation of salt in the surface soil elephant trunk on its outer ring surface in interior accumulation of salt in the surface soil mechanism also being provided with between burner rear portion and the body of heater; Collection alkali case annular is located on the converter nose, the rear wall of casing and converter nose and body of heater are fastened and connected, its antetheca then is fastened and connected with the movable sealing ring seat and is integral and clearance-type is placed on the square chest sleeve pipe of giving vent to anger, accumulation of salt in the surface soil elephant trunk then with body of heater on dried ground caustic input endless tube is communicated with or directly is communicated with the recovery ground caustic with the body of heater inner chamber.
Above-mentioned accumulation of salt in the surface soil elephant trunk is symmetrical arranged 2, and roller cleaning chain all is set in each elephant trunk, stops up elephant trunk and outlet to prevent material from scabbing.And described accumulation of salt in the surface soil elephant trunk is the scroll casing shape helix tube.
The present invention is owing to broken traditional Seal Design thinking, change " blocking up " powder for dredging, not only simplified hermetically-sealed construction, and guaranteed that ground caustic can not leak in the work running, thereby have the design principle advanced person, simple in structure, reliable, can prevent effectively that ground caustic from leaking the pollution that reaches environment, improve resource utilization, reduced characteristics such as production cost.
Description of drawings
Fig. 1 is structure of the present invention and body of heater annexation schematic diagram.
Among the figure: 1. the square chest of giving vent to anger, 2. (heavy alkali) charging aperture, 3. (square chest of giving vent to anger) sleeve pipe, 4. cylinder, 5. flexible sealing joint, 6. static seal ring seat, 7. stationary seal ring, 8. rotary packing ring, 9. movable sealing ring seat, 10. collect the alkali case, 10～1. elephant trunks, 10～2. cleaning chains, 11. dried ground caustic input endless tube, 11～1. ground caustic input ports, 12. bodies of heater, 13. converter nose, 13～1. pores, F. ground caustic return path.
The specific embodiment
With body of heater 12 diameters is φ 3200mm, converter nose 13 external diameters are φ 1774mm, it is example that the soda ash steam with dried ground caustic input endless tube 11 of day production capacity 600T is forged industrial production (drying) stove: wherein body of heater 12, converter nose 13, pore 13～1, and structure, the size of dried ground caustic input endless tube 11 and input port 11～1 thereof are all identical with former calcining furnace main body; Give vent to anger square chest 1 axial length and on heavy alkali charging aperture 2, cylinder 4 also identical with background technology; Internal diameter φ 1794mm, the wall thickness 12mm of square chest sleeve pipe 3 give vent to anger, flexible sealing joint 5 still adopts the U type rubber flexible sealing ring of 2 joint internal diameter φ 1960mm, the U-shaped radius is R50mm, and is also identical with background technology with the connected mode of the square chest sleeve pipe 3 of giving vent to anger, static seal ring seat 6; Dynamic and static seal ring seat 9,6 internal diameters are φ 1894mm, its wall thickness, high and axially long also all identical with background technology; Dynamic and static sealing ring 8,7 internal diameters are φ 1918mm, and all the other parameters are identical with background technology; Collection alkali case 10 external diameter φ 3000mm, axial high 120mm, wall thickness 10mm, the rear portion is connected with the end face robust sealed of body of heater 12 by flange; Accumulation of salt in the surface soil elephant trunk 10～1 present embodiments adopt scorpion hull shape helix tube, be symmetrical arranged 2, tangentially be tightly connected with collection alkali case 10 outer ring surfaces, its outlet then be tightly connected with the front side wall of dried ground caustic input endless tube and with its inner chamber UNICOM, the inwall weldering of cleaning chain 10～2 nearly pivot ends and elephant trunk 10～1 strikes up partnership, the other end is a free end, can with the rotation of body of heater 12 in elephant trunk and export department sweep preventing and scab and plugging.In present embodiment when work,, the ground caustic (comprising dried ground caustic) that overflows from converter nose 13 and pore 13～1 thereof entered the gap between converter nose 13 and the sleeve pipe 3.Return the inner chamber of body of heater 12 via the F path, thus the disadvantage of having avoided ground caustic to leak fully.
Claims (3)
1. sealing stove burner for calcined soda steam calcining furnace, comprise the converter nose of being located at band pore on the body of heater, rotary packing ring and ring seat, be placed on the converter nose and the square chest of giving vent to anger with well, be located at the seal ring seat of flexible sealing joint on the sleeve pipe outer ring surface, band stationary seal ring and the cylinder of sealing load is provided, it is characterized in that comprising collection alkali case and being located at accumulation of salt in the surface soil elephant trunk on its outer ring surface also being provided with between burner rear portion and the body of heater in interior accumulation of salt in the surface soil mechanism; Collection alkali case annular is located on the converter nose, the rear wall of casing and converter nose and body of heater are fastened and connected, its antetheca then is fastened and connected with the movable sealing ring seat and is integral and clearance-type is placed on the square chest sleeve pipe of giving vent to anger, accumulation of salt in the surface soil elephant trunk then with body of heater on dried ground caustic input endless tube be communicated with or directly be communicated with the body of heater inner chamber.
2. by the described sealing stove burner for calcined soda steam calcining furnace of claim 1, it is characterized in that described accumulation of salt in the surface soil elephant trunk is symmetrical arranged 2, roller cleaning chain all is set in each elephant trunk.
3. by claim 1 or 2 described sealing stove burner for calcined soda steam calcining furnace, it is characterized in that described accumulation of salt in the surface soil elephant trunk is the scroll casing shape helix tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810045030 CN101245969B (en) | 2008-03-21 | 2008-03-21 | Sealing stove burner for calcined soda steam calcining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810045030 CN101245969B (en) | 2008-03-21 | 2008-03-21 | Sealing stove burner for calcined soda steam calcining furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101245969A true CN101245969A (en) | 2008-08-20 |
| CN101245969B CN101245969B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810045030 Expired - Fee Related CN101245969B (en) | 2008-03-21 | 2008-03-21 | Sealing stove burner for calcined soda steam calcining furnace |
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| CN (1) | CN101245969B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988801A (en) * | 2010-11-19 | 2011-03-23 | 成都天保重型装备股份有限公司 | Sealing and compressing device of burner of calcining furnace |
| CN101643224B (en) * | 2009-08-20 | 2012-06-20 | 四川矿山机器（集团）有限责任公司 | Combined type self soda-returning calcining furnace body and manufacturing method thereof |
| CN103603955A (en) * | 2013-10-18 | 2014-02-26 | 江西稀有金属钨业控股集团有限公司 | Movable sealing connection device of rotary furnace |
| CN104482542A (en) * | 2014-12-03 | 2015-04-01 | 重庆三峰卡万塔环境产业有限公司 | Front furnace sealing device for biomass burning boiler furnace |
| CN105387214A (en) * | 2015-12-15 | 2016-03-09 | 北京神雾环境能源科技集团股份有限公司 | Sealing device for sealed calcium carbide furnace charging system |
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| US5749722A (en) * | 1996-05-28 | 1998-05-12 | American Gas Furnace Company | Single charge continuous rotary retort furnace with an accessible door |
| CN2867241Y (en) * | 2005-09-07 | 2007-02-07 | 王庆军 | Flexible sealing device for rotary kiln |
| CN2909134Y (en) * | 2006-05-17 | 2007-06-06 | 中国铝业股份有限公司 | End sealing device of rotary-drum furnace |
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2008
- 2008-03-21 CN CN 200810045030 patent/CN101245969B/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
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| 李培国: "Φ3200自身返碱蒸汽煅烧炉的增产降耗研究与设备改造", 《中国优秀硕士学位论文全文数据库(硕士)工程科技I辑》 * |
| 郭育: "自身返碱蒸汽煅烧炉的工艺研究与改进", 《中国优秀硕士学位论文全文数据库(硕士)工程科技I辑》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643224B (en) * | 2009-08-20 | 2012-06-20 | 四川矿山机器（集团）有限责任公司 | Combined type self soda-returning calcining furnace body and manufacturing method thereof |
| CN101988801A (en) * | 2010-11-19 | 2011-03-23 | 成都天保重型装备股份有限公司 | Sealing and compressing device of burner of calcining furnace |
| CN103603955A (en) * | 2013-10-18 | 2014-02-26 | 江西稀有金属钨业控股集团有限公司 | Movable sealing connection device of rotary furnace |
| CN103603955B (en) * | 2013-10-18 | 2016-01-20 | 江西稀有金属钨业控股集团有限公司 | A kind of moving seal connection device of rotary furnace |
| CN104482542A (en) * | 2014-12-03 | 2015-04-01 | 重庆三峰卡万塔环境产业有限公司 | Front furnace sealing device for biomass burning boiler furnace |
| CN105387214A (en) * | 2015-12-15 | 2016-03-09 | 北京神雾环境能源科技集团股份有限公司 | Sealing device for sealed calcium carbide furnace charging system |
| CN105387214B (en) * | 2015-12-15 | 2017-11-03 | 神雾科技集团股份有限公司 | A kind of closed calcium carbide furnace charging system sealing device |
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| Publication number | Publication date |
|---|---|
| CN101245969B (en) | 2013-04-24 |
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Granted publication date: 20130424 Termination date: 20140321 |