CN205066457U - Inside lining is pour to whole injection - Google Patents

Inside lining is pour to whole injection Download PDF

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Publication number
CN205066457U
CN205066457U CN201520808820.3U CN201520808820U CN205066457U CN 205066457 U CN205066457 U CN 205066457U CN 201520808820 U CN201520808820 U CN 201520808820U CN 205066457 U CN205066457 U CN 205066457U
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China
Prior art keywords
flame retardant
retardant coating
heat
insulation layer
furnace shell
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CN201520808820.3U
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Chinese (zh)
Inventor
潘波
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Wuhan Boze High-temperature New Material Co Ltd
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Wuhan Boze High-temperature New Material Co Ltd
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Priority to CN201520808820.3U priority Critical patent/CN205066457U/en
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Publication of CN205066457U publication Critical patent/CN205066457U/en
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Abstract

The utility model discloses an inside lining is pour to whole injection, it is including laying heat preservation on the stove outer covering inner wall, lay the flame retardant coating that is keeping warm on the wall in place, stove outer covering, heat preservation and the adhesion of flame retardant coating three are as an organic whole, be equipped with the baffling wall in the stove outer covering, the edge of baffling wall run through heat preservation and flame retardant coating and with stove outer covering inner wall fixed connection. The utility model discloses can be more permanent stand the erosion of high temperature flue gas and erode, life is longer, the structure is simpler, construction cycle is shorter, and can rely on the adhesion nature of fire -resistant injection pouring material self and down supplementary hanging of anchor assembly, make inside lining is pour to whole injection and the stove outer covering whole of formation that bonds, avoid the inside lining problem of collaborating to the potential safety hazard that the inside lining collapses and hurts sb. 's feelings in the construction has been avoided.

Description

Integral spray builds liner
Technical field
The utility model relates to chemical industry stove lining technique field, refers to that a kind of integral spray builds liner particularly.
Background technology
At present, along with the maximization of the type of furnaces such as sulfur furnace, fluidized bed furnace, change furnace and heating furnace, the size of chemical industry stove constantly increases, also more and more higher to the requirement of chemical industry stove liner.Existing chemical industry stove liner, being made up of two-layer refractory brick, one layer of heat preservation brick, one layer of heat preservation fiber, mainly there is following defect in it: (1) brick lining processing cycle is long, requires high, waste time and energy to personnel specialty quality, material geometry; (2) refractory brick and insulating brick do not have adhesiveness due to itself, do not have anchor studs to hang auxiliary yet, and after brick inside lining building completes, liner produces sedimentation because of refractory material deadweight extruding mud, causes liner to be separated with furnace shell, forms sedimentation gap; (3) once crack appears in brick liner, high-temperature flue gas seals in sedimentation gap along crack, causes and collaborates and then formed furnace roof localized hyperthermia, and brick liner, once occur collapsing in local, can only be removed and heavily build, keep in repair very difficult; (4) deflected current wall is formed by laying fireproof bricks, and mechanical structure is poor, and first deflected current wall stands thermal-flame for a long time and washes away, the problem such as deformation of wall easily occurs, collapse, and causes brick liner whole service life too short.
Summary of the invention
The purpose of this utility model is just to provide a kind of integral spray and builds liner, the erosion standing high-temperature flue gas that this liner can be more permanent and washing away, longer service life, and structure is simpler, and construction period is shorter; And can by means of the adhesiveness of refractory spray castable self with under the suspension of anchoring piece is auxiliary, make integral spray build liner and furnace shell to bond formation entirety, avoid liner to collaborate problem, and avoid liner in construction and to cave in the potential safety hazard of hurting sb.'s feelings.
For realizing this object, integral spray designed by the utility model builds liner, it comprises the heat-insulation layer be laid on furnace shell inwall, the flame retardant coating be laid on heat-insulation layer inwall, described furnace shell, heat-insulation layer and flame retardant coating three adhere to and are integrated, be provided with deflected current wall in described furnace shell, the edge of described deflected current wall runs through heat-insulation layer with flame retardant coating and is fixedly connected with furnace shell inwall.
Described furnace shell inwall is fixed with multiple anchoring piece running through heat-insulation layer and flame retardant coating.
Each anchoring piece all vertically runs through heat-insulation layer and flame retardant coating.
The inside of described flame retardant coating offers many dilatation joints.
Described every bar dilatation joint is ladder dilatation joint.
The thickness range of described heat-insulation layer is 200 ~ 300mm, and the thickness range of described flame retardant coating is 200 ~ 350mm.
Described anchoring piece is metal anchorage.
Two sides or three deflected current walls are provided with in described furnace shell.
The netted web frame for supporting deflected current wall is provided with in described deflected current wall.
Compared with prior art, the utility model has the advantage of:
1, the normally two-layer refractory brick of traditional brick liner, one layer of heat preservation brick, one layer of heat preservation fiber, and integral spray of the present utility model build liner only have one deck spray build flame retardant coating, one deck spray build heat-insulation layer, structure is simpler;
2, liner of the present utility model directly sticks on furnace shell inwall, is assisted by anchoring piece, forms an entirety, do not have gap between liner and furnace shell with furnace shell, also just fundamentally avoids the problem of collaborating.
3, flame retardant coating of the present utility model adopts and is provided with ladder dilatation joint, makes liner better tightness, greatly reduces to collaborate probability.
4, result of the present utility model is that integral spray is built and formed, and globality is better, and mechanical structure is more outstanding, and liner occurs that the probability in crack is less.
5, deflected current wall inside of the present utility model has heat-resisting framework of steel reinforcement to support, and mechanical structure is firmer.
6, the utility model is that grume material directly sticks on furnace wall, and the probability that decreasing in construction caves in hurts sb.'s feelings, security is higher.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 be in Fig. 1 A-A to sectional structure schematic diagram;
Fig. 3 is the structural representation of dilatation joint part in the utility model;
Fig. 4 is the structural representation of deflected current wall in the utility model.
Wherein, 1-furnace shell, 2-heat-insulation layer, 3-flame retardant coating, 4-anchoring piece, 5-deflected current wall, 6-netted web frame, 7-dilatation joint.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
A kind of integral spray as shown in figures 1-4 builds liner, it comprises the heat-insulation layer 2 be laid on furnace shell 1 inwall, the flame retardant coating 3 be laid on heat-insulation layer 2 inwall, described furnace shell 1, heat-insulation layer 2 and flame retardant coating 3 three adhere to and are integrated, be provided with deflected current wall 5 in described furnace shell 1, the edge of described deflected current wall 5 runs through heat-insulation layer 2 with flame retardant coating 3 and is fixedly connected with furnace shell 1 inwall.Described heat-insulation layer 2 and flame retardant coating 3 all adopt injection casting craft to be made, be that refractory spray castable is transported in stove through carrier pipe by power jet pump with compressed air, with spray gun spraying on furnace shell 1 inwall, furnace shell 1, heat-insulation layer 2 and flame retardant coating 3 are adhered to each other formation entirety, entire mechanization is constructed, thus make there is no sedimentation gap between furnace shell 1, heat-insulation layer 2 and flame retardant coating 3, avoid because the liner high-temperature flue gas that breaks seals in sedimentation gap, cause the problem of furnace shell 1 localized hyperthermia.
In technique scheme, described furnace shell 1 inwall is fixed with multiple anchoring piece 4 running through heat-insulation layer 2 and flame retardant coating 3, described anchoring piece 4 is metal anchorage, and each anchoring piece 4 all vertically runs through heat-insulation layer 2 and flame retardant coating 3.Anchoring piece 4 was fixed on furnace shell 1 inwall by the mode of welding before spraying insulating 2 and flame retardant coating 3, by the spacing arrangement of horizontal 200 ~ 500mm, longitudinally 200 ~ 500mm on furnace shell 1, covered by whole heat-insulation layer 2 and flame retardant coating 3 after injection, the length of anchoring piece 4 is determined according to the thickness of heat-insulation layer 2 and flame retardant coating 3.
In technique scheme, the inside of described flame retardant coating 3 offers many dilatation joints 7.Every bar dilatation joint 7 is ladder dilatation joint (i.e. ladder labyrinth seam), as shown in Figure 3.The characteristic that flame retardant coating 3 expands with heat and contract with cold because of material, expand after being heated, dilatation joint 7 closes, after flame retardant coating 3 cools, dilatation joint 7 separately, not only can eliminate flame retardant coating 3 expanded by heating and the internal stress that produces, and the stair-stepping distribution of dilatation joint 7 can provide excellent sealing, make dilatation joint 7 not become the gap of high-temperature flue gas circulation.
In technique scheme, the thickness range of described heat-insulation layer 2 is 200 ~ 300mm, and the thickness range of described flame retardant coating 3 is 200 ~ 350mm.Wherein, Al in the refractory spray castable of heat-insulation layer 2 2o 3mass percent>=30%, Al in the refractory spray castable of flame retardant coating 3 2o 3mass percent be 60 ~ 73%, Al in the refractory spray castable of deflected current wall 5 2o 3mass percent>=70%.
In technique scheme, in described furnace shell 1, be provided with two sides deflected current wall 5.The netted web frame 6 for supporting deflected current wall 5 is provided with in described deflected current wall 5.Deflected current wall 5 adopts formwork to spray casting craft and is made, not only good integrity, and mechanical structure is outstanding, longer service life, two sides deflected current wall 5 can also strengthen the degree of furnace gas turbulence, increases furnace gas flowing velocity, improves the distribution of furnace gas in furnace shell and extends the time of staying.Described netted web frame 6 is heat-resisting framework of steel reinforcement, and fire-resistant framework of steel reinforcement plays the effect strengthening supporting to deflected current wall 5, the arrangement pitches of reinforcing bar is at 50 ~ 600mm.
In the utility model, anchoring piece 4 was fixed on furnace shell 1 inwall by the mode of welding before spraying insulating 2 and flame retardant coating 3, heat-insulation layer 2 and flame retardant coating 3 all adopt injection casting craft to be made, be that refractory spray castable is transported in stove through carrier pipe by power jet pump with compressed air, with spray gun spraying on furnace shell 1 inwall, furnace shell 1, heat-insulation layer 2 and flame retardant coating 3 are adhered to each other formation entirety, deflected current wall 5 adopts formwork to spray casting craft and is made, and entire mechanization is constructed.
The content that this description is not described in detail belongs to the known prior art of professional and technical personnel in the field.

Claims (9)

1. an integral spray builds liner, it is characterized in that: it comprises the heat-insulation layer (2) be laid on furnace shell (1) inwall, the flame retardant coating (3) be laid on heat-insulation layer (2) inwall, described furnace shell (1), heat-insulation layer (2) and flame retardant coating (3) three adhere to and are integrated, be provided with deflected current wall (5) in described furnace shell (1), the edge of described deflected current wall (5) runs through heat-insulation layer (2) with flame retardant coating (3) and is fixedly connected with furnace shell (1) inwall.
2. integral spray according to claim 1 builds liner, it is characterized in that: described furnace shell (1) inwall is fixed with multiple anchoring piece (4) running through heat-insulation layer (2) and flame retardant coating (3).
3. integral spray according to claim 2 builds liner, it is characterized in that: each anchoring piece (4) all vertically runs through heat-insulation layer (2) and flame retardant coating (3).
4. integral spray according to claim 1 builds liner, it is characterized in that: the inside of described flame retardant coating (3) offers many dilatation joints (7).
5. integral spray according to claim 4 builds liner, it is characterized in that: described every bar dilatation joint (7) is ladder dilatation joint.
6. integral spray according to claim 1 builds liner, it is characterized in that: the thickness range of described heat-insulation layer (2) is 200 ~ 300mm, and the thickness range of described flame retardant coating (3) is 200 ~ 350mm.
7. integral spray according to claim 2 builds liner, it is characterized in that: described anchoring piece (4) is metal anchorage.
8. integral spray according to claim 1 builds liner, it is characterized in that: be provided with two sides or three deflected current walls (5) in described furnace shell (1).
9. the integral spray according to claim 1 or 8 builds liner, it is characterized in that: be provided with the netted web frame (6) for supporting deflected current wall (5) in described deflected current wall (5).
CN201520808820.3U 2015-10-16 2015-10-16 Inside lining is pour to whole injection Active CN205066457U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520808820.3U CN205066457U (en) 2015-10-16 2015-10-16 Inside lining is pour to whole injection

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Application Number Priority Date Filing Date Title
CN201520808820.3U CN205066457U (en) 2015-10-16 2015-10-16 Inside lining is pour to whole injection

Publications (1)

Publication Number Publication Date
CN205066457U true CN205066457U (en) 2016-03-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109469792A (en) * 2018-11-13 2019-03-15 浙江省天正设计工程有限公司 The compound internal insulation structure of high temperature heavy caliber hot air duct and its construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109469792A (en) * 2018-11-13 2019-03-15 浙江省天正设计工程有限公司 The compound internal insulation structure of high temperature heavy caliber hot air duct and its construction method

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