CN205115303U

CN205115303U - Vertical limekiln

Info

Publication number: CN205115303U
Application number: CN201520928593.8U
Authority: CN
Inventors: 王平江
Original assignee: Hebei Xinying Kechuang Calcium Industry Co Ltd
Current assignee: Hebei Xinying Kechuang Calcium Industry Co Ltd
Priority date: 2015-11-20
Filing date: 2015-11-20
Publication date: 2016-03-30
Anticipated expiration: 2025-11-20

Abstract

The utility model discloses a vertical limekiln, including kiln wall, kiln bottom and the kiln chamber that is formed by kiln wall and kiln bottom, kiln wall ab intra is to include wall firebrick layer, insulating brick layer, cellucotton layer, red brick layer, cement layer and SBS waterproofing membrane layer outward in proper order, and the kiln bottom is from last to including end firebrick layer and fire -resistant soil layer down. The kiln wall has adopted multilayer structure, and kiln body overall structure's refractiveness has been guaranteed to refractory brick, insulating brick layer and the separation of cellucotton layer thermal loss in the kiln, improve the heat utilization efficiency, practiced thrift the energy, guarantee the kiln intracavity and stablize at the higher temperature, the kiln bottom has also set up refractory brick and fire clay simultaneously, and the wall kiln bottom warp because of being heated, strengthens the steadiness of whole kiln body mechanism, the infiltration of moisture can be avoided in the SBS waterproofing membrane layer that the limekiln outer wall set up at sleet weather or when idle, kiln chamber middle part diameter is the biggest, guarantees the biggest area of firing, and kiln bottom and kiln crown diameter are less, reduce with thermal area of contact, reduction loss.

Description

A kind of vertical limestone kiln

Technical field

The utility model relates to limestone kiln technical field, particularly a kind of vertical limestone kiln.

Background technology

Lime is auxiliary material necessary in steelmaking process, its quality by directly affect made steel material number and fine or not, so in smelter, the quality of lime is very important.China produces and utilizes lime country the earliest, and Qin Changcheng and many archaeological discoveries have confirmed this undisputable fact.Although China is energy big country, but because technique falls behind, especially old kiln type and native burning lime kiln pollute large, of poor quality, energy consumption is high, yield poorly, do not reach the specification of quality of steel-making to lime, compared with Full-automatic mechanizedization is calcined in the world, gap is quite large, current China lime kiln 70% is the earth kiln without any environmental practice, by regional protectionism existence, but the serious all types of industries pollution problem in each department has caused the great attention of country, therefore eliminate soil and burn lime kiln, build our having energy-conservation, environmental protection, efficient modernization lime kiln is the requirement of national environmental protection is also hundreds thousand of the imperative behaves of lime production enterprise now of current China.

Old type of furnace lime kiln has a variety of.As earth kiln, common shaft furnace type, rotary kiln etc.Wherein earth kiln and use coal eliminate equipment as the common shaft furnace type ash furnace genus of calcinating fuel.

Coal gas is mostly adopted now to do shaft furnace type kiln and the rotary kiln of fuel.Existing shaft furnace type kiln does not have rational design specifications, and kiln wall heat insulation effect is poor, and heat volatilization in kiln chamber is fast, not only wastes the more energy, and kiln temperature is difficult to ensure, causes lime quality poor.

Utility model content

The purpose of this utility model is the defect overcoming prior art, provide a kind of rational in infrastructure, heat insulation effect is good, save the energy and the measured vertical limestone kiln of the calcium carbonate fired.

To achieve these goals, the technical scheme taked of the utility model is as follows:

A kind of limestone kiln, to comprise at the bottom of Yao Bi, kiln and by the kiln chamber of the calcined lime formed at the bottom of Yao Bi and kiln;

Described kiln wall comprises wall fire brick layer, insulating brick-layer, cellucotton layer, common brick layer, cement layer and SBS waterproof roll layer from the inside to the outside successively;

End fire brick layer and fire-resistant soil layer is comprised from top to bottom at the bottom of described kiln.

Further improve as the utility model, the thickness of described wall fire brick layer is 500mm; The refractory brick of described wall fire brick layer is G2 refractory brick or G6 refractory brick.

Further improve as the utility model, the thickness of described insulating brick-layer is 250mm; The insulating brick of described insulating brick-layer is the common insulating brick of G1 or the common insulating brick of G5.

Further improve as the utility model, the thickness of fire brick layer of the described end is 300mm, and the refractory brick of fire brick layer of the described end is G2 refractory brick or G6 refractory brick.

Further improve as the utility model, described fire-resistant the thickness of the layer is 200mm.

Further improve as the utility model, the slurry of laying bricks of described wall fire brick layer, fire brick layer of the described end and described insulating brick-layer is refractory cements slurry.

Further improve as the utility model, described cellucotton layer is for having glass fibre cotton or the ceramic fiber cotton of fire resistance.

Further improve as the utility model, described kiln chamber mid diameter is greater than kiln chamber base diameter and kiln top of chamber diameter.

Compared with prior art, the beneficial effect acquired by the utility model is as follows:

The utility model is vertical limestone kiln, constitutes kiln chamber by the bottom of Yao Bi and kiln.Kiln wall have employed multilayered structure, and inwall is refractory brick, ensure that the integrally-built resistivity against fire of kiln body, insulating brick-layer and cellucotton layer have intercepted the loss of heat in kiln, improve heat utilization efficiency, have saved the energy, ensure to be stabilized in comparatively high temps in kiln chamber, the lime quality fired is good; Also be provided with refractory brick and refractory mortar at the bottom of kiln simultaneously, avoid being out of shape because being heated at the bottom of kiln, strengthening the steadiness of whole kiln body mechanism; The SBS waterproof roll layer that limestone kiln outer wall is arranged, sleety weather or idle time can avoid the infiltration of moisture; Kiln chamber mid diameter is maximum, ensures maximum to fire area, and at the bottom of kiln and kiln top diameter is less, reduces the contact area with heat, reduces and runs off, and when making heating, heat-up rate improves.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

In the accompanying drawings:

1 wall fire brick layer, 2 kiln chambeies, 3 insulating brick-layers, 4 cellucotton layers, 5 common brick layers, 6 cement layers, 7 end fire brick layers, 8 fire-resistant soil layers, 9SBS waterproof roll layer.

Embodiment

Below in conjunction with accompanying drawing, detailed further describing is carried out to the utility model.

As shown in Figure 1, a kind of limestone kiln, to comprise at the bottom of Yao Bi, kiln and by the kiln chamber 2 of the calcined lime formed at the bottom of Yao Bi and kiln, described kiln wall comprises wall fire brick layer 1, insulating brick-layer 3, cellucotton layer 4, common brick layer 5, cement layer 6 and SBS waterproof roll layer 9 from the inside to the outside successively, kiln wall have employed multilayered structure, the SBS waterproof roll layer 9 that limestone kiln outer wall is arranged, sleety weather or idle time can avoid the infiltration of moisture; Inwall is refractory brick, ensure that the integrally-built resistivity against fire of kiln body, and insulating brick-layer 3 and cellucotton layer 4 have intercepted the loss of heat in kiln, improves heat utilization efficiency, has saved the energy, ensures to be stabilized in comparatively high temps in kiln chamber, and the lime quality fired is good.Comprise end fire brick layer 7 and fire-resistant soil layer 8 at the bottom of described kiln from top to bottom, avoid at the bottom of kiln and be out of shape because being heated, strengthen the steadiness of whole kiln body mechanism.The thickness of described wall fire brick layer 1 is 500mm; The refractory brick of described wall fire brick layer 1 is G2 refractory brick or G6 refractory brick.The thickness of described insulating brick-layer 3 is 250mm; The insulating brick of described insulating brick-layer 3 is the common insulating brick of G1 or the common insulating brick of G5.The thickness of fire brick layer of the described end 7 is 300mm, and the refractory brick of fire brick layer of the described end 7 is G2 refractory brick or G6 refractory brick.The thickness of described fire-resistant soil layer 8 is 200mm.The slurry of laying bricks of described wall fire brick layer 1, fire brick layer of the described end 7 and described insulating brick-layer 3 is refractory cements slurry.Described cellucotton layer 4 is for having glass fibre cotton or the ceramic fiber cotton of fire resistance.Described kiln chamber 2 mid diameter is greater than kiln chamber 2 base diameter and kiln chamber 2 top diameter, and kiln chamber 2 mid diameter is maximum, ensures maximum to fire area, and at the bottom of kiln and kiln top diameter is less, reduces the contact area with heat, reduces and runs off, and when making heating, heat-up rate improves.

The above embodiment is only preferred embodiment of the present utility model, and is not the exhaustive of the feasible enforcement of the utility model.For persons skilled in the art, to any apparent change done by it under the prerequisite not deviating from the utility model principle and spirit, all should be contemplated as falling with within claims of the present utility model.

Claims

1. a vertical limestone kiln, is characterized in that: it to comprise at the bottom of Yao Bi, kiln and by the kiln chamber (2) of the calcined lime formed at the bottom of Yao Bi and kiln;

Described kiln wall comprises wall fire brick layer (1), insulating brick-layer (3), cellucotton layer (4), common brick layer (5), cement layer (6) and SBS waterproof roll layer (9) from the inside to the outside successively;

End fire brick layer (7) and fire-resistant soil layer (8) is comprised from top to bottom at the bottom of described kiln.

2. the vertical limestone kiln of one according to claim 1, is characterized in that: the thickness of described wall fire brick layer (1) is 500mm; The refractory brick of described wall fire brick layer (1) is G2 refractory brick or G6 refractory brick.

3. the vertical limestone kiln of one according to claim 1, is characterized in that: the thickness of described insulating brick-layer (3) is 250mm; The insulating brick of described insulating brick-layer (3) is the common insulating brick of G1 or the common insulating brick of G5.

4. the vertical limestone kiln of one according to claim 1, is characterized in that: the thickness at fire brick layer of the described end (7) is 300mm, and the refractory brick at fire brick layer of the described end (7) is G2 refractory brick or G6 refractory brick.

5. the vertical limestone kiln of one according to claim 1, is characterized in that: the thickness of described fire-resistant soil layer (8) is 200mm.

6. the vertical limestone kiln of the one according to any one of claim 1-5, is characterized in that: the slurry of laying bricks of described wall fire brick layer (1), fire brick layer of the described end (7) and described insulating brick-layer (3) is refractory cements slurry.

7. the vertical limestone kiln of one according to claim 1, is characterized in that: described cellucotton layer (4) is for having glass fibre cotton or the ceramic fiber cotton of fire resistance.

8. the vertical limestone kiln of one according to claim 1, is characterized in that: described kiln chamber (2) mid diameter is greater than kiln chamber (2) base diameter and kiln chamber (2) top diameter.