CN2485617Y - Improved closed curve circulation roasting furnace - Google Patents
Improved closed curve circulation roasting furnace Download PDFInfo
- Publication number
- CN2485617Y CN2485617Y CN 01206673 CN01206673U CN2485617Y CN 2485617 Y CN2485617 Y CN 2485617Y CN 01206673 CN01206673 CN 01206673 CN 01206673 U CN01206673 U CN 01206673U CN 2485617 Y CN2485617 Y CN 2485617Y
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- China
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- closed curve
- utility
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- burner hearth
- flute profile
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Abstract
The utility model relates to an improved groove shape close curve recycling roasting oven. The utility model comprises a hearth which comprises a closed curve with a groove shape section and an upper cover; the utility model is provided with a smoke passage entrance; at least two coal stoves positioned under the hearth passage; the inner side of the hearth passage is provided with an operating room; the lower part of the coal stove is connected with the operating room; and the smoke passage is connected with the main smoke passage of the outer ring through an electromotion door. The utility model preserves the advantages of the prior art; the utility model controls the station of the burning of the stove and the number; the utility model enhances the adjusting arrange of the roasting temperature; the utility model can effectively calcinate the metal run-of mine, the fine mine or the non-metal chemical engineering materials in high temperatures; the utility model achieves a good cleaning effect, a low labor intensity and a high work efficiency.
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 improved flute profile closed curve circulating roaster.
CN1047732A discloses a kind of kiln with double-storey, triple-ring and four-belt, is 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 uses thermal insulation, waste heat and drying principles in the kiln, 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, concentrate or nonmetal chemical industry raw material are carried out calcination process.The applicant of this case once provided a kind of flute profile closed curve circulating roaster (patent No. is 00222438) that specially metal raw ore or nonmetal chemical industry raw material is carried out calcination process, this scheme construction investment is little, cycle is short, technology is simple, operating cost is low, instant effect, fully effectively roasting can reach the roasting effect of large tunnel stove fully.When need had metal raw ore, concentrate or the nonmetal chemical industry raw material of specific (special) requirements to carry out the roasting of higher temperature to some, it is not enough that the sintering temperature of this scheme is slightly disliked but in practice.
The purpose of this utility model provides a kind of improved flute profile closed curve circulating roaster, and the shape of this roaster, structure or its are in conjunction with having proposed a kind of practical new technical scheme that is suitable for.
Can realize the improved flute profile closed curve circulating roaster of above-mentioned purpose, comprise that cross-sectional area is the closed curve of flute profile and burner hearth road, the floss hole that loam cake is formed, the outstanding difference of itself and former flute profile closed curve circulating roaster is, the below in burner hearth road is provided with plural coal fired stove, the inboard in closed curve shape burner hearth road has operating room in addition, and the bottom of coal fired stove communicates with operating room.
The burner hearth road is grown, and more than one floss hole need be set, and between adjacent floss hole active clapboard is installed in closed curve shape burner hearth road, and burner hearth road skin all has heat-insulation layer, and the distance of coal fired stove centreline space is 1～3 meter.
The utility model is compared with former flute profile closed curve circulating roaster, the whole advantages that kept original technical scheme, regulating on the basis of temperature in the stove by the variation of blower fan wind-force and installation site, again by the state of each coal fired stove burning of control and the coal fired stove quantity of participation burning, more effectively regulate temperature in the stove, strengthened the adjustable range of sintering temperature, can make sintering temperature higher, satisfy the requirement of some special metal raw ore, concentrate or nonmetal chemical industry raw material being carried out higher temperature roasting or reduction effectively.
Accompanying drawing 1 is the schematic diagram in the utility model burner hearth road;
Accompanying drawing 2 is cross section, burner hearth road, coal fired stove, operating room and floss hole interconnected relationship schematic diagram;
Accompanying drawing 3 is the schematic diagram of the utility model embodiment two;
Accompanying drawing 4 is the schematic diagram of the utility model embodiment three.
Attached Fig. 1 and 2 constitutes complete embodiment one of the utility model.Below in conjunction with drawings and Examples in detail the utility model is described in detail, improved flute profile closed curve circulating roaster, comprise that cross-sectional area is the closed curve of flute profile and burner hearth road 1, the floss hole 2 that loam cake 3 is formed, the outstanding difference of itself and former flute profile closed curve circulating roaster is, the below in burner hearth road 1 is provided with plural coal fired stove 4, the inboard in closed curve shape burner hearth road 1 has operating room 6 in addition, and the bottom of coal fired stove 4 communicates with operating room 6.
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 7 in closed curve shape burner hearth road 1, and burner hearth road 1 skin all has heat-insulation layer 11, and the distance of coal fired stove 4 centreline spaces is 1～3 meter.
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 excavation has a plurality of coal fired stoves 4 below burner hearth road 1, and lining-up is reinforced, the distance of coal fired stove 4 centreline spaces is 1～3 meter, inboard in closed curve shape burner hearth road 1 has operating room 6 in addition, and lining-up is reinforced, and the bottom of coal fired stove 4 communicates with operating room 6, metal raw ore, concentrate or nonmetal chemical industry raw material are made the certain particle size size, with the roasting materials mixing base of certain particle size;
2. the enough fuel of pile in each coal fired stove 4;
3. order is piled up blank in the burner hearth road 1 above coal fired stove 4, and guaranteeing has certain interval between blank, puts loam cake 3 well, with the topped insulation of 10～25 cm thick soil layers;
When 4. burner hearth road 1 was longer, the loam cake between distance end (coal fired stove of igniting just) 15～25 meters partly left a floss hole 2, and the blank under the floss hole 2 is piled up should be laxer relatively than other position, and it should have effect to guarantee floss hole 2 performances;
5. blank is piled up to floss hole 2 certain distances, and an active clapboard 7 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 2 of distance firing tip, air exhauster is installed, begin blank is carried out calcination process;
7. mobile air exhauster is extracted the active clapboard 7 be positioned at before the air exhauster out, and the floss hole 2 that is positioned at before the air exhauster is sealed, and promptly bootable furnace zone moves along flute profile closed curve burner hearth road 1;
8. adjust the distance of mobile air exhauster apart from furnace zone, change air exhauster wind-force size, sintering temperature can be regulated and improve to the quantity that coal fired stove 4 is lighted in the state of each coal fired stove 4 burning and control in the control furnace zone all, regulation and control institute emission gases;
9. through roasting, after insulation a period of time, push topped heat-insulation layer aside, open loam cake, take out, be used for following process through roasting gained blank.
Repeat successively 2.～5. and 7.～9., realize that promptly uninterrupted circulation continuously produces.As occurring in producing having a power failure, wait to expect or fault etc., can protect fire, insulation more than 96 hours, do not need regnition, be difficult for causing dead stove to stop production.
As shown in Figure 3, in embodiment two of the present utility model, improved flute profile closed curve circulating roaster, floss hole 2 also can be arranged at the outer upper in flute profile closed curve burner hearth road 1, communicate with the flue collector 9 of outer shroud, and floss hole 2 is equipped with electric controlled door 8.In this embodiment, air exhauster is installed on the top of flue collector 9, no longer needs to move, and controls the switching of the electric controlled door 8 of each floss hole 2, can adjust the distance of air exhauster apart from furnace zone effectively, changes air exhauster wind-force size.Outer shroud flue collector 9 can effectively slow down the flow velocity of tail gas after the roasting, and dust is fallen, and increases other simple machines again, can make dust removing effects better, and the setting of outer shroud flue collector 9 also greatly facilitates collection, recovery and the utilization of dust.
As shown in Figure 4, in embodiment three of the present utility model, improved flute profile closed curve circulating roaster can have coal filling hole 5 and roasting blank filling working hole 10 on the loam cake 3, and coal filling hole 5 should be corresponding with the center line of coal fired stove 4.According to the needs of roasting or reduction temperature, can add fuel at any time.In this embodiment, when circulation is produced continuously, do not need repeatedly topped and push soil layer on the flute profile closed curve burner hearth road loam cake 3 aside, fuel investment, when piling up blank and taking out blank is as long as open coal filling hole 5 respectively and roasting blank filling working hole 10 is operated.Alleviate labour intensity effectively, improved productivity ratio.
Temperature in the burner hearth road 1 shows heat preservation zone I, roast area II, high-temperature region III, middle warm area IV, 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 follow-up burner hearth road steam purge, desalination 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 (4)
1, improved flute profile closed curve circulating roaster, comprise that cross-sectional area is that the closed curve of flute profile and loam cake (3) are formed burner hearth road (1), floss hole (2), it is characterized in that, the below in burner hearth road (1) is provided with plural coal fired stove (4), the inboard in closed curve shape burner hearth road (1) has operating room (6) in addition, and the bottom of coal fired stove (4) communicates with operating room (6).
2, according to the described improved flute profile closed curve circulating roaster of claim 1, it is characterized in that, burner hearth road (1) is grown, more than one floss hole (2) need be set, active clapboard (7) is installed between adjacent floss hole (2) in closed curve shape burner hearth road (1), burner hearth road (1) skin all has heat-insulation layer (11), and the distance of coal fired stove (4) centreline space is 1～3 meter.
3, according to claim 1 or 2 described improved flute profile closed curve circulating roasters, it is characterized in that floss hole (2) can be arranged at the outer upper in closed curve shape burner hearth road (1), communicate with the flue collector (9) of outer shroud, floss hole (2) is equipped with electric controlled door (8).
4, according to claim 1 or 2 described improved flute profile closed curve circulating roasters, it is characterized in that can having on the loam cake (3) coal filling hole (5) and roasting blank filling working hole (10), coal filling hole (5) should be corresponding with the center line of coal fired stove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01206673 CN2485617Y (en) | 2001-06-25 | 2001-06-25 | Improved closed curve circulation roasting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01206673 CN2485617Y (en) | 2001-06-25 | 2001-06-25 | Improved closed curve circulation roasting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2485617Y true CN2485617Y (en) | 2002-04-10 |
Family
ID=33627257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01206673 Expired - Lifetime CN2485617Y (en) | 2001-06-25 | 2001-06-25 | Improved closed curve circulation roasting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2485617Y (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 |
-
2001
- 2001-06-25 CN CN 01206673 patent/CN2485617Y/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 |
Expiration termination date: 20110625 Granted publication date: 20020410 |