CN2416467Y - Groove shape closed curved circulating roaster furnance - Google Patents
Groove shape closed curved circulating roaster furnance Download PDFInfo
- Publication number
- CN2416467Y CN2416467Y CN 00222438 CN00222438U CN2416467Y CN 2416467 Y CN2416467 Y CN 2416467Y CN 00222438 CN00222438 CN 00222438 CN 00222438 U CN00222438 U CN 00222438U CN 2416467 Y CN2416467 Y CN 2416467Y
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- CN
- China
- Prior art keywords
- roasting
- closed curve
- burner hearth
- time
- floss hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a groove-shaped closed curve circulation roasting furnace. The utility model is characterized in that a hearth path is composed of a groove-shaped closed curve and an upper cover which is provided with flue holes; the hearth path is long, so more than one flue hole needs be arranged; movable clapboards are arranged between adjacent flue holes, a heat insulation layer is arranged outside the hearth path, and an exhaust blower is used and put on each of suction openings to suck wind by turns. Via the variety of the wind power and the installation position of the blower, temperature in the furnace and the preheating time and the roasting time and the heat insulation time of reaction are effectively regulated, and thus, roasting temperature is reached; via utilizing an exothermic reaction in the process of roasting, and one-time ignition and continuous circulation production are realized; smoke is cleaned and processed by steam through a subsequent hearth path, the smoke is filtered through gaps among subsequent blank materials, and thus, dust is removed, so the purpose of controlling discharge is achieved; the requirement of environmental protection is satisfied, and environment is not polluted.
Description
The utility model relates to the annular furnace of a kind of metallurgy, the progressive heating of chemical industry usefulness stationary charge, particularly a kind of flute profile closed curve circulating roaster.
Metallurgical, chemical industry is extensive use of various tunnel caves metal raw ore or nonmetal chemical industry raw material is carried out roasting, but the construction investment of tunnel cave is big, and the cycle is long, technical sophistication, and the operating cost height allows medium-sized and small enterprises and township enterprise be unable to reach.Though CN1047732A discloses a kind of kiln with double-storey, triple-ring and four-belt, be provided with double-deck ring kiln road, inside and outside annular air channel and kiln road crop rotation dry zone, flue then is located at kiln body middle part, ground, and the interior thermal insulation of application kiln, waste heat and drying principles, with the heat conduction of air insulation kiln body, accelerate at top speed, fiery degree is even, takes on the kiln temperature and kiln body heat dissipation all gives remarkable reduction, while recovery waste heat in kiln, the dry wet base, the wet air-conditioning of heat, desalination cigarette vapour, eliminate scasoning check and base substrate dewfall, filtration of soot and emission abatement.But this only is a kind of continuous kiln that aims at the sintered clay product design, can't be used for metal raw ore or nonmetal chemical industry raw material are carried out calcination process; And the kiln structure complexity is difficult for building and maintenance; The import of kiln outer air is more, and the kiln temperature loss is too many, can not reach sintering temperature; Inside and outside air channel is too much, long, and gas-flow resistance is big; 50 meters flues need be set, equipment cost is strengthened.
The purpose of this utility model provides a kind of flute profile closed curve circulating roaster that specially metal raw ore or nonmetal chemical industry raw material is carried out calcination process, the shape of this roaster, structure or it is in conjunction with having proposed a kind of practical new technical scheme that is suitable for.
Can realize the flute profile closed curve circulating roaster of above-mentioned purpose, comprise burner hearth and floss hole, the outstanding difference of itself and prior art is: cross-sectional area is that the closed curve and the loam cake of flute profile formed the burner hearth road, and loam cake leaves floss hole.The burner hearth road is grown, and more than one floss hole need be set, and between adjacent floss hole active clapboard is installed.There is heat-insulation layer in the outside, burner hearth road.
The utility model is extensive use of various tunnel caves and compares with metallurgical, chemical industry, and construction investment is little, and the cycle is short, and technology is simple, and operating cost is low, instant effect, and fully effectively roasting can reach the roasting effect of large tunnel stove fully; Compare with above-mentioned kiln with double-storey, triple-ring and four-belt, kiln structure is simple, very easily builds and keeps in repair; By the variation of blower fan wind-force and installation site, effectively regulate temperature in the stove, make it reach sintering temperature; Preheating time, roasting time and the temperature retention time of reaction all can effectively be controlled sufficient reacting; Flue dust is the slit dust removal by filtration through between processing of follow-up burner hearth road steam purge and follow-up blank then, reaches the purpose of control discharging, can satisfy environmental requirement, and is free from environmental pollution; Utilize the exothermic reaction in the roasting process, realize once igniting, circulation is produced continuously, and heat energy utilization is abundant.The utility model is that a kind of medium-sized and small enterprises and township enterprise can extensively use, and is simple and easy to do, and effect is carried out the roaster of calcination process preferably to metal raw ore or nonmetal chemical industry raw material.
Accompanying drawing 1 is the closed curve schematic diagram in the utility model burner hearth road;
Accompanying drawing 2 is channel-section of the present utility model and air exhauster scheme of installation;
Attached Fig. 1 and 2 constitutes complete embodiment of the utility model.Below in conjunction with drawings and Examples in detail the utility model is described in detail: flute profile closed curve circulating roaster, comprise burner hearth and floss hole, the outstanding difference of itself and prior art is: cross-sectional area is that the closed curve and the loam cake 3 of flute profile formed burner hearth roads 1, and loam cake leaves floss hole 2.Burner hearth road 1 is grown, and more than one floss hole 2 need be set, and 2 of adjacent floss holes are equipped with active clapboard 4.There is heat-insulation layer 5 in 1 outside, burner hearth road.Use an air exhauster 6 to place each suction opeing place exhausting in turn.
Show when optimum efficiency of the present utility model is worked as follows in the practice:
1. excavate dark 1～3 meter on the ground, wide 0.8～2.5 meter closed curve groove, lining-up is reinforced, and metal raw ore or nonmetal chemical industry raw material is made the certain particle size size, with the roasting materials mixing base of certain particle size;
When 2. lighting a fire first, need to build the end of igniting, the enough fuel of end pile by common cooking stove;
3. order is piled up blank, and guaranteeing has certain interval between blank, puts loam cake well, with the topped insulation of 10～25 cm thick soil layers;
When 4. the burner hearth road was longer, the loam cake between 15～25 meters in the distance end partly left a floss hole, and the blank under the floss hole is piled up should be laxer relatively than other position, brings into play it effect should be arranged to guarantee floss hole;
5. blank is piled up to the floss hole certain distance, and an active clapboard is set, with reverse flow that can airflow partition with can conveniently extract and get final product;
6. press this rules repetitive operation near the end, can light a fire, on the nearest floss hole of distance firing tip, air exhauster is installed, begin blank is carried out calcination process;
7. mobile air exhauster is extracted the active clapboard be positioned at before the air exhauster out, and the floss hole that is positioned at before the air exhauster is sealed, and promptly bootable furnace zone moves along closed curve burner hearth road;
8. adjust the distance of mobile air exhauster, change air exhauster wind-force size, all can regulate sintering temperature and institute's emission gases apart from furnace zone;
9. through roasting, after insulation a period of time, push topped soil layer aside, open loam cake, take out, be used for following process through roasting gained blank.
Repeat successively 3.～5. and 7.～9., realize that promptly uninterrupted circulation continuously produces.
Temperature in the burner hearth road shows the heat preservation zone I, the roast area II, high-temperature region III, middle warm area IV, the preheating zone V, normal temperature district VI distributes, and the high temperature in the roasting process is used to heat the blank with the follow-up zone of preheating, flue dust then through the desalination of follow-up burner hearth road steam purge handle and follow-up blank between the slit dust removal by filtration, what the floss hole place of air exhauster discharged is low temperature and cleaning of off-gas, detect through environmental administration, meet the environment protection emission requirement fully, environment is not caused damage.
Claims (3)
1, flute profile closed curve circulating roaster comprises burner hearth and floss hole, it is characterized in that: cross-sectional area is that the closed curve and the loam cake (3) of flute profile formed burner hearth road (1), and loam cake leaves floss hole (2).
2, flute profile closed curve circulating roaster according to claim 1 is characterized in that: burner hearth road (1) is grown, and more than one floss hole (2) need be set, and active clapboard (4) is installed between adjacent floss hole (2).
3, flute profile closed curve circulating roaster according to claim 1 is characterized in that: there is heat-insulation layer (5) in burner hearth road (1) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00222438 CN2416467Y (en) | 2000-03-03 | 2000-03-03 | Groove shape closed curved circulating roaster furnance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00222438 CN2416467Y (en) | 2000-03-03 | 2000-03-03 | Groove shape closed curved circulating roaster furnance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2416467Y true CN2416467Y (en) | 2001-01-24 |
Family
ID=33587168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00222438 Expired - Lifetime CN2416467Y (en) | 2000-03-03 | 2000-03-03 | Groove shape closed curved circulating roaster furnance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2416467Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575098A (en) * | 2013-10-12 | 2014-02-12 | 张岘宾 | Annular self-igniting groove for shale brick production and method for producing shale bricks |
-
2000
- 2000-03-03 CN CN 00222438 patent/CN2416467Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575098A (en) * | 2013-10-12 | 2014-02-12 | 张岘宾 | Annular self-igniting groove for shale brick production and method for producing shale bricks |
| CN103575098B (en) * | 2013-10-12 | 2016-01-13 | 梁国柱 | A kind of method of annular spontaneous combustion groove for shale brick production and production shale brick thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20010124 |