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CN2457543Y - Energy saving lime kiln - Google Patents

Energy saving lime kiln Download PDF

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Publication number
CN2457543Y
CN2457543Y CN 00261377 CN00261377U CN2457543Y CN 2457543 Y CN2457543 Y CN 2457543Y CN 00261377 CN00261377 CN 00261377 CN 00261377 U CN00261377 U CN 00261377U CN 2457543 Y CN2457543 Y CN 2457543Y
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CN
China
Prior art keywords
limekiln
kiln
quirk
chimney
heat
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 - Fee Related
Application number
CN 00261377
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Chinese (zh)
Inventor
欧川平
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 00261377 priority Critical patent/CN2457543Y/en
Application granted granted Critical
Publication of CN2457543Y publication Critical patent/CN2457543Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an energy saving lime kiln, which is formed by connecting a hearth, a kiln chamber, a kiln door, a chimney, a heat-insulating layer and fire paths. The utility model adopts the mode of separating fuel and limestone, and utilizes the circulation of the smoke and the fire of the fuel in the fire paths in the heat-insulating layer so that the lime kiln can fully absorb heat energy and can reduce the emission of smoke and dust. The bottom of the lime kiln is provided with the hearth, the top of the inner layer of a kiln body is sealed, and the inner part of the heat-insulating layer of the lime kiln is uniformly distributed with the fire paths which are mutually communicated with the chimney. An outlet of each fire path is communicated with the chimney, an inlet of each fire path is communicated with the kiln chamber at the bottom of the lime kiln, and chimneys which are mutually connected in series and mutually communicated in a lime kiln set are fixedly provided with a control valve.

Description

A kind of energy-saving lime kiln
The utility model belongs to a kind of limekiln, particularly about a kind of energy-saving lime kiln.
The process equipment of China's lime industry is more outmoded at present, generally all is the shaft kiln formula, and during the scoria lime stone, lime stone and fuel mix and puts together, and the product purity low quality is poor, and operating technology is difficult to grasp, and fuel consumption is big, contaminated environment, production cost height.
The purpose of this utility model is: a kind of energy-saving lime kiln is provided, and it can save the energy, reduces the pollution of environment, improves the purity quality of lime, reduces cost.
The technical solution of the utility model is: a kind of energy-saving lime kiln, it is characterized in that: the limekiln is connected to form by stove hall, firing chamber, wicket, chimney, heat-insulation layer, quirk, burner hearth is arranged at the bottom, limekiln, kiln body internal layer top seal, in the heat-insulation layer in limekiln quirk is arranged, quirk and chimney are interconnected.
Described quirk evenly distributes in the insulation of furnace wall layer.
Described limekiln can be the limekiln group, is ganged up mutually with chimney by 2-10 limekiln to connect and compose, and the kiln wall between kiln and the kiln is connected as a single entity.
Described limekiln group is annular spread evenly, is connected in series mutually to be communicated with chimney to form the closed loop connection, and the pyrotechnics waste heat can repeatedly be utilized.Described limekiln the best can be selected 4-6 limekiln, and closed loop connects and composes the limekiln group, is fixed with by-pass valve control in the chimney that serial connection is communicated with mutually, and conducting is at any time closed.
Can be evenly distributed with 2-8 quirk in described each limekiln heat-insulation layer: best distribution has 3-6 quirk, and each quirk outlet all is connected with chimney, and each quirk inlet is connected with the firing chamber in the bottom, limekiln.
Characteristics of the present utility model are:
Because each limekiln is connected to form by stove hall, firing chamber, wicket, chimney, heat-insulation layer, quirk, the mode that it adopts fuel to separate with lime stone utilizes the quirk of pyrotechnics in heat-insulation layer of fuel to follow back utilization, make the limekiln can fully absorb heat energy, reduce the discharging of flue dust.Burner hearth is arranged at the bottom, limekiln, and kiln body internal layer top seal has quirk in the heat-insulation layer in limekiln, and each quirk outlet all is connected with chimney, and each quirk inlet is connected with the firing chamber in the bottom, limekiln.Quirk evenly distributes in the insulation of furnace wall layer.The kiln shape resembles yurt, lime stone does not contact with fuel, the pyrotechnics of fuel enters the firing chamber from stockhole, it is good to burn the lime stone purity high-quality that like this, burnt fuel pyrotechnics follows the burning of strile-bacing in the burner hearth in the firing chamber, firing chamber's internal layer top seal, flame from down and on, progressively burn to internal layer top, firing chamber along quirk, firing chamber's internal layer top seal flame is obstructed again, and flame again from top to down, quirk through heat-insulation layer is discharged from chimney at last, the fire in kiln on the next one back and forth the time of staying longer, make lime stone can fully absorb heat energy, so thermal efficiency height.And after the pyrotechnics repeated combustion, the cigarette that the kiln body gives off is less, and is low in the pollution of the environment.The limekiln can be the limekiln group, is ganged up mutually with chimney by 2-10 limekiln to connect and compose.The limekiln group is even annular spread also, be connected in series connection mutually with chimney and form the closed loop connection, make pyrotechnics thermal cycle back and forth, make full use of heat energy, the draft of the UTILIZATION OF VESIDUAL HEAT IN chimney in the burner hearth of first kiln is delivered in second kiln, waste heat in second kiln adds fuel heat in the upper furnace and follows and get back in the 3rd kiln, follows back so repeatedly, and the thermal efficiency is higher, and firing kiln discharge successively, can make full use of heat energy, can boost productivity again, can save energy and reduce cost.
Below in conjunction with the embodiment accompanying drawing the utility model is described further.
Accompanying drawing 1 is embodiment 1 structural representation.
Accompanying drawing 2 is embodiment 1A-A cutaway views.
Accompanying drawing 3 is structural representations that embodiment 2 limekiln groups are connected in series.
Among the figure: 1, firing chamber; 2, burner hearth; 3, heat-insulation layer; 4, quirk; 5, chimney; 6, wicket; 7,
Valve; 8, soil.
As depicted in figs. 1 and 2: burner hearth 2 is arranged at 1 bottom, lime firing chamber, there is wicket 6 in the front, the internal layer top seal, equally distributed three quirks 4 are arranged in the heat-insulation layer 3 in limekiln, quirk 4 is interconnected with chimney 5, is filled with soil 8 in heat-insulation layer 3 between each quirk 4, and coal is placed on 2 li burnings of burner hearth during burning, the pyrotechnics of coal is earlier through the firing chamber 1, and fully discharge from chimney 5 after the burning entering quirk 4 from firing chamber's 1 bottom quirk, 4 inlets the back of being obstructed at 1 top, firing chamber again.
As shown in Figure 2: have three limekilns to gang up mutually and connect and compose the limekiln group with chimney 5, kiln wall between kiln and the kiln is connected as a single entity, be evenly distributed with three quirks 4 in each limekiln heat-insulation layer 3, three quirks, 4 usefulness chimneys 5 in first limekiln heat-insulation layer 3 are ganged up mutually, be communicated in second limekiln quirk 4 by chimney 5 again, three quirks 4 in second limekiln heat-insulation layer 3 are also ganged up mutually with chimney 5, and be communicated in the 3rd the limekiln quirk 4 by chimney 5, be fixed with two valve 7 switches on the chimney 5 of ganging up mutually between kiln and the kiln, the waste gas that valve 7 can be controlled in this chimney 5 is discharged, and the pyrotechnics waste heat that another valve 7 controls link to each other between two kilns transmits.After the pyrotechnics burning in first limekiln, utilize the draft of chimney 5, enter again in the quirk 4 of next kiln body, discharge by chimney 5 after the last by that analogy pyrotechnics repeated combustion, waste heat is made full use of, both saved the energy, reduce environmental pollution again.Also can connect with six limekiln annulars, the quirk 4 of the 6th kiln is ganged up the composition closed loop mutually with the quirk 4 usefulness chimneys 5 of first kiln, each kiln is interconnected with center smokestack 5 again, kiln and kiln are connected with by-pass valve control 7 each other and between each kiln and the center smokestack 5, so that the transmission of control heat and the discharging of cigarette.
General single kiln interior diameter 5m, internal layer is built 30 centimeters skins by laying bricks or stones with special shaped brick and is built thick 50 centimeters by laying bricks or stones with stone, kiln wall thickness 2m, middle pad soil 8 and sand are done heat-insulation layer 3,30 square metres of single kiln floor spaces, and whole kiln adds central chimney 5 about 200 square metres, the high about 5m of kiln, 70 cubic metres of firing chamber's 1 volumes are removed stove hall 2, quirk 4, can adorn 60 tons in lime stone, production cycle, loading of kiln 4-6 days, firing 5-7 days, vexed kiln cooled off ash discharge 3-4 days 4-5 days.

Claims (6)

1, a kind of energy-saving lime kiln, it is characterized in that: the limekiln is connected to form by stove hall, firing chamber, wicket, chimney, heat-insulation layer, quirk, and burner hearth, kiln body internal layer top seal are arranged at the bottom, limekiln, in the heat-insulation layer in limekiln quirk is arranged, quirk and chimney are interconnected.
2, a kind of energy-saving lime kiln according to claim 1 is characterized in that: described quirk evenly distributes in the insulation of furnace wall layer.
3, a kind of energy-saving lime kiln according to claim 1 is characterized in that: described limekiln can be the limekiln group, is ganged up mutually with chimney by 2-10 limekiln to connect and compose, and the kiln wall between kiln and the kiln is connected as a single entity.
4, a kind of energy-saving lime kiln according to claim 1 is characterized in that: described limekiln group is annular spread evenly, is connected in series mutually to be communicated with chimney to form the closed loop connection, and the pyrotechnics waste heat can repeatedly be utilized.
5, a kind of energy-saving lime kiln according to claim 1 is characterized in that: described limekiln the best can be selected 4-6 limekiln, and closed loop connects and composes the limekiln group, is fixed with by-pass valve control in the chimney that serial connection is communicated with mutually, and conducting is at any time closed.
6, a kind of energy-saving lime kiln according to claim 1 is characterized in that: can be evenly distributed with 2-8 quirk in described each limekiln heat-insulation layer; Best distribution has 3-6 quirk, and each quirk outlet all is connected with chimney, and each quirk inlet is connected with the firing chamber in the bottom, limekiln.
CN 00261377 2000-12-08 2000-12-08 Energy saving lime kiln Expired - Fee Related CN2457543Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 00261377 CN2457543Y (en) 2000-12-08 2000-12-08 Energy saving lime kiln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 00261377 CN2457543Y (en) 2000-12-08 2000-12-08 Energy saving lime kiln

Publications (1)

Publication Number Publication Date
CN2457543Y true CN2457543Y (en) 2001-10-31

Family

ID=33616895

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 00261377 Expired - Fee Related CN2457543Y (en) 2000-12-08 2000-12-08 Energy saving lime kiln

Country Status (1)

Country Link
CN (1) CN2457543Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102745913A (en) * 2012-06-15 2012-10-24 赵政 Slag-free lime kiln
CN104480298A (en) * 2014-12-26 2015-04-01 中铝广西有色崇左稀土开发有限公司 Ion type rare earth oreburning kiln

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102745913A (en) * 2012-06-15 2012-10-24 赵政 Slag-free lime kiln
CN104480298A (en) * 2014-12-26 2015-04-01 中铝广西有色崇左稀土开发有限公司 Ion type rare earth oreburning kiln

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee