阅读说明：本技术 一种保温炉及其砌筑方法和检测系统 (Heat preservation furnace, building method and detection system thereof ) 是由 王力行 邵丹 王文金 于 2021-09-18 设计创作，主要内容包括：本发明公开了一种保温炉及其砌筑方法和检测系统,涉及保温炉技术领域。保温炉包括环形主体、以及设置在环形主体两端的侧墙；环形主体由内之外依次包括第一工作层、第一中间层、第一保温砖层和第一绝热层；侧墙由内之外依次包括第二工作层、第二中间层、第二保温砖层和第二绝热层。本发明通过采用保温砖替换保温浇注料作为保温层,保温砖既具有保温料的优点又弥补了保温料强度低、抗渗性差的特点,提高支撑性解决炉膛砖内陷和炉膛内径变形的问题,提升保温效果降低烧嘴功率能有效保持温度,减少燃气消耗,达到节能降耗的目的。(The invention discloses a heat preservation furnace, a building method and a detection system thereof, and relates to the technical field of heat preservation furnaces. The heat preservation furnace comprises an annular main body and side walls arranged at two ends of the annular main body; the annular main body sequentially comprises a first working layer, a first middle layer, a first heat-insulating brick layer and a first heat-insulating layer from inside to outside; the side wall sequentially comprises a second working layer, a second middle layer, a second insulating brick layer and a second insulating layer from inside to outside. According to the invention, the insulating brick is adopted to replace insulating castable to serve as the insulating layer, so that the insulating brick not only has the advantages of insulating materials, but also makes up the characteristics of low strength and poor impermeability of the insulating materials, improves the support property, solves the problems of furnace brick invagination and furnace inner diameter deformation, improves the insulating effect, reduces the burner power, can effectively maintain the temperature, reduces the gas consumption, and achieves the purposes of energy conservation and consumption reduction.)

1. A holding furnace is characterized in that: comprises an annular main body (1) and side walls (2) arranged at two ends of the annular main body (1);

the annular main body (1) sequentially comprises a first working layer (101), a first middle layer (102), a first heat-insulating brick layer (103) and a first heat-insulating layer (104) from inside to outside;

the side wall (2) sequentially comprises a second working layer (201), a second middle layer (202), a second insulating brick layer (203) and a second insulating layer (204) from inside to outside.

2. The holding furnace according to claim 1, characterized in that the first working layer (101) and the second working layer (201) are laid by using silicon nitride combined with silicon carbide bricks; the thicknesses of the first working layer (101) and the second working layer (201) are respectively 105-120mm and 145-155 mm;

the first middle layer (102) and the second middle layer (202) are both formed by paving two-level high-alumina bricks; the thicknesses of the intermediate layer (102) and the second intermediate layer (202) are both 105-120 mm;

the first heat-preservation brick layer (103) and the second heat-preservation brick layer (203) are both formed by paving mullite bricks, and the thicknesses of the first heat-preservation brick layer (103) and the second heat-preservation brick layer (203) are both 105-120 mm;

the first thermal insulation layer (104) and the second thermal insulation layer (204) are both ceramic fiber paper layers, and the thickness of the first thermal insulation layer (104) and the thickness of the second thermal insulation layer (204) are both 4-6 mm.

3. A method for building a heat preservation furnace is characterized by comprising the following steps:

step 1, preparing various raw materials required by construction before construction;

step 2, constructing a furnace foundation and a furnace body framework structure;

step 3, paving a first working layer (101), a first middle layer (102), a first heat-insulating brick layer (103) and a first heat-insulating layer (104) from inside to outside in sequence during the building of the annular main body;

when the side wall is built, the side wall sequentially comprises a second working layer (201), a second middle layer (202), a second insulating brick layer (203) and a second insulating layer (204) from inside to outside.

4. A holding furnace laying method according to claim 3, wherein adjacent silicon nitride bonded silicon carbide bricks are joined by silicon carbide laying mud when the first working layer (101) or the second working layer (201) is laid.

5. A holding furnace laying method according to claim 3, wherein adjacent secondary high alumina bricks are joined by high alumina masonry mortar when the first intermediate layer (102) and the second intermediate layer (202) are laid.

6. The masonry method of the heat preservation furnace according to claim 3, characterized in that when the first heat preservation brick layer (103) and the second heat preservation brick layer (203) are masonry is carried out, high alumina masonry mortar is adopted to connect adjacent mullite brick rows; and filling high-aluminum masonry mortar in the gap between the annular main body (1) and the side wall (2).

7. A holding furnace detection system as claimed in claim 1 or 2, characterized by comprising a detection structure (3) mounted on the inner side wall of the annular body (1); the detection structure (3) comprises an installation plate (31), a bare water pipe (32) made of ceramic materials is installed on the outer side of the installation plate (31), and two ends of the water pipe (32) are respectively communicated with a water pipe joint (33) penetrating through the installation plate (31); the two water pipe joints (33) are respectively communicated with a water inlet pipe and a water outlet pipe which penetrate through the annular main body (1) and extend to the outside;

a first temperature sensor and a second temperature sensor are respectively installed at the water inlet pipe and the water outlet pipe.

8. A detection system according to claim 7, characterized in that an insulating edge (34) is arranged on the inner side of the mounting plate (31) on the periphery of the two water pipe joints (33), and the insulating edge (34) sequentially comprises a ceramic fiber paper layer, a high-alumina masonry coating and a silicon carbide masonry coating from inside to outside.

9. A detection system according to claim 7, characterized in that the outlet end of the outlet pipe is communicated with a water collecting tank (4), and the water collecting tank (4) is communicated with at least one cooling tank (6) and at least one first constant temperature tank (5);

the cooling tank (6) and the first constant temperature tank (5) are both communicated with a mixing tank (7), the mixing tank (7) is communicated with a second constant temperature tank (8), and the second constant temperature tank (8) is communicated with the water inlet pipe.

10. A detection system according to claim 8, characterized in that a first water pump for pumping water in the water collecting tank (4) into the first thermostatic bath (5) and the cooling bath (6) is arranged in the water collecting tank (4); a water pump II and a water pump III for pumping water into the mixing tank (7) are respectively arranged in the first constant temperature tank (5) and the cooling tank (6); a fourth water pump for pumping water in the mixing tank (7) into a second constant temperature tank (8) is arranged in the mixing tank (7), and a fifth water pump for pumping water in the second constant temperature tank (8) into a water inlet pipe is arranged in the second constant temperature tank (8);

the first constant temperature tank (5), the cooling tank (6), the mixing tank (7) and the second constant temperature tank (8) are respectively provided with a temperature sensor A, a temperature sensor B, a temperature sensor C and a temperature sensor D; the water pump system further comprises a processor connected with the first temperature sensor, the second temperature sensor, the temperature sensor A, the temperature sensor B, the temperature sensor C, the temperature sensor D, the water pump II, the water pump I, the water pump III, the water pump IV and the water pump V.

Technical Field

The invention belongs to the technical field of heat preservation furnaces, and particularly relates to a heat preservation furnace, a building method and a detection system thereof.

Background

The holding furnace mainly plays two roles in the Simmark production line: adjusting copper liquid and storing and preserving heat. Firstly, the qualified copper liquid flowing into the tundish of the lower launder is ensured, and the function of regulating and controlling the oxygen content and the temperature is achieved; and secondly, a certain amount of copper liquid is stored, so that the production stability is ensured. The heat preservation furnace is internally provided with a silicon carbide brick, and the bottom of the silicon carbide brick is provided with a high-alumina brick and a heat preservation material. The heat preservation furnace is built by adopting a four-layer refractory material building mode, the outermost layer is directly contacted with copper liquid and is a silicon carbide working layer brick, the second layer of brick is a high-alumina brick, the third layer of heat preservation pouring material is a fourth layer of ceramic fiber paper, the stirred heat preservation pouring material is filled while the working layer brick is built, and the heat preservation pouring material is tamped by a rubber hammer. The heat insulation material is bulk material, the working bricks in the furnace body with poor support performance are easy to sink, the inner diameter of the hearth is deformed, and the heat insulation material has the characteristics of low strength, poor impermeability and the like.

Disclosure of Invention

The invention aims to provide a heat preservation furnace and a building method thereof, wherein heat preservation bricks are adopted to replace heat preservation castable to serve as heat preservation layers, the heat preservation bricks have the advantages of heat preservation materials and make up the characteristics of low strength and poor impermeability of the heat preservation materials, the support is improved, the problems of furnace brick invagination and furnace inner diameter deformation are solved, the heat preservation effect is improved, the burner power is reduced, the temperature can be effectively kept, the gas consumption is reduced, the purposes of energy saving and consumption reduction are achieved, and the problems that the inner working bricks of a furnace body are prone to invagination, the furnace inner diameter size is deformed, the strength of the heat preservation materials is low, and the impermeability is poor when the heat preservation materials are adopted in the prior art are solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a heat preservation furnace, which comprises an annular main body and side walls arranged at two ends of the annular main body; the annular main body sequentially comprises a first working layer, a first middle layer, a first heat-insulating brick layer and a first heat-insulating layer from inside to outside; the side wall sequentially comprises a second working layer, a second middle layer, a second insulating brick layer and a second insulating layer from inside to outside.

Furthermore, the first working layer and the second working layer are both paved by adopting silicon nitride and silicon carbide bricks; and the thicknesses of the first working layer and the second working layer are respectively 105-120mm and 145-155 mm.

Furthermore, the first middle layer and the second middle layer are both formed by paving two-level high-alumina bricks; and the thicknesses of the first intermediate layer and the second intermediate layer are both 105-120 mm.

Furthermore, the first insulating brick layer and the second insulating brick layer are both formed by paving mullite bricks, and the thicknesses of the first insulating brick layer and the second insulating brick layer are both 105-120 mm.

Further, the first heat insulation layer and the second heat insulation layer are both ceramic fiber paper layers, and the thickness of the first heat insulation layer and the thickness of the second heat insulation layer are both 4-6 mm.

A method for building a heat preservation furnace comprises the following steps:

step 1, preparing various raw materials required by construction before construction;

step 2, constructing a furnace foundation and a furnace body framework structure;

step 3, laying a first working layer, a first middle layer, a first heat-insulating brick layer and a first heat-insulating layer in sequence from inside to outside when the annular main body is built;

the side wall sequentially comprises a second working layer, a second middle layer, a second insulating brick layer and a second insulating layer from inside to outside during building.

Further, when the first working layer or the second working layer is built, silicon carbide building mud is adopted to connect adjacent silicon nitride and silicon carbide bricks.

Furthermore, when the first middle layer and the second middle layer are built, high-aluminum building mud is adopted to connect adjacent second-level high-aluminum bricks.

Further, when the first insulating brick layer and the second insulating brick layer are built, high-alumina building mud is adopted to connect adjacent mullite brick rows.

Further, high-aluminum masonry mortar is filled in the gap between the annular main body and the side wall.

A detection system of a heat preservation furnace comprises a detection structure arranged on the inner side wall of an annular main body; the detection structure comprises an installation plate, wherein a bare water pipe made of ceramic material is installed on the outer side of the installation plate, and two ends of the water pipe are respectively communicated with a water pipe joint penetrating through the installation plate; the two water pipe joints are respectively communicated with a water inlet pipe and a water outlet pipe which penetrate through the annular main body and extend to the outside; a first temperature sensor and a second temperature sensor are respectively installed at the water inlet pipe and the water outlet pipe.

Further, be located two the mounting panel inboard of water pipe head week side is provided with the edge that keeps warm, keep warm along by interior outer ceramic fiber paper layer, high aluminium bricklaying mud coating and the carborundum bricklaying mud coating of including in proper order.

Furthermore, the water outlet end of the water outlet pipe is communicated with a water collecting tank, and the water collecting tank is communicated with at least one cooling tank and at least one first constant temperature tank; the cooling tank and the first constant temperature tank are both communicated with a mixing tank, the mixing tank is communicated with a second constant temperature tank, and the second constant temperature tank is communicated with the water inlet pipe.

Furthermore, a first water pump for pumping water in the water collecting tank into the first constant temperature tank and the cooling tank is arranged in the water collecting tank; a second water pump and a third water pump for pumping water into the mixing tank are respectively arranged in the first thermostatic tank and the cooling tank; a fourth water pump for pumping water in the mixing tank into a second thermostatic tank is arranged in the mixing tank, and a fifth water pump for pumping water in the second thermostatic tank into a water inlet pipe is arranged in the second thermostatic tank; the first constant temperature tank, the cooling tank, the mixing tank and the second constant temperature tank are respectively provided with a temperature sensor A, a temperature sensor B, a temperature sensor C and a temperature sensor D; the water pump system further comprises a processor connected with the first temperature sensor, the second temperature sensor, the temperature sensor A, the temperature sensor B, the temperature sensor C, the temperature sensor D, the water pump II, the water pump I, the water pump III, the water pump IV and the water pump V.

The invention has the following beneficial effects:

according to the invention, the insulating brick is adopted to replace insulating castable to serve as the insulating layer, so that the insulating brick not only has the advantages of insulating materials, but also makes up the characteristics of low strength and poor impermeability of the insulating materials, improves the support property, solves the problems of furnace brick invagination and furnace inner diameter deformation, improves the insulating effect, reduces the burner power, can effectively maintain the temperature, reduces the gas consumption, and achieves the purposes of energy conservation and consumption reduction.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the ring body structure of the present invention;

FIG. 2 is a schematic view of a sidewall structure according to the present invention;

FIG. 3 is a schematic view of the structure of the holding furnace of the present invention;

FIG. 4 is a schematic diagram of a detection system according to the present invention;

FIG. 5 is a first schematic structural diagram of a detection structure according to the present invention;

FIG. 6 is a second schematic view of a detection structure according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Example 1

Referring to fig. 1-2, the present invention is a holding furnace, including an annular main body 1 and side walls 2 disposed at two ends of the annular main body 1; the annular main body 1 sequentially comprises a first working layer 101, a first middle layer 102, a first heat-insulating brick layer 103 and a first heat-insulating layer 104 from inside to outside; the side wall 2 sequentially comprises a second working layer 201, a second middle layer 202, a second insulating brick layer 203 and a second insulating layer 204 from inside to outside.

The first working layer 101 and the second working layer 201 are both formed by laying silicon nitride and silicon carbide bricks; and the thicknesses of the first working layer 101 and the second working layer 201 are 114mm and 148mm, respectively.

The first middle layer 102 and the second middle layer 202 are both formed by paving two-level high-alumina bricks; and both an intermediate layer 102 and a second intermediate layer 202 have a thickness of 110 mm.

The first insulating brick layer 103 and the second insulating brick layer 203 are both formed by paving mullite bricks, and the thicknesses of the first insulating brick layer 103 and the second insulating brick layer 203 are both 110 mm.

The first thermal insulation layer 104 and the second thermal insulation layer 204 are both ceramic fiber paper layers, and the first thermal insulation layer 104 and the second thermal insulation layer 204 are both 6mm thick.

Example 2, based on example 1;

the first working layer 101 and the second working layer 201 are both formed by laying silicon nitride and silicon carbide bricks; and the thicknesses of the first working layer 101 and the second working layer 201 are 114mm and 150mm, respectively.

The first middle layer 102 and the second middle layer 202 are both formed by paving two-level high-alumina bricks; and both an intermediate layer 102 and a second intermediate layer 202 have a thickness of 114 mm.

The first insulating brick layer 103 and the second insulating brick layer 203 are both formed by paving mullite bricks, and the thicknesses of the first insulating brick layer 103 and the second insulating brick layer 203 are both 114 mm.

The first thermal insulation layer 104 and the second thermal insulation layer 204 are both ceramic fiber paper layers, and the first thermal insulation layer 104 and the second thermal insulation layer 204 are both 5mm thick.

Example 3, based on example 1 or 2;

a method for building a heat preservation furnace comprises the following steps:

step 1, preparing various raw materials required by construction before construction;

step 2, constructing a furnace foundation and a furnace body framework structure;

step 3, laying a first working layer 101, a first middle layer 102, a first heat-insulating brick layer 103 and a first heat-insulating layer 104 from inside to outside in sequence when the annular main body is built;

when the side wall is built, the side wall sequentially comprises a second working layer 201, a second middle layer 202, a second insulating brick layer 203 and a second insulating layer 204 from inside to outside.

When the first working layer 101 or the second working layer 201 is built, silicon carbide building mud is adopted to connect adjacent silicon nitride and silicon carbide bricks.

When the first middle layer 102 and the second middle layer 202 are built, high-alumina building mortar is adopted to connect adjacent secondary high-alumina bricks.

When the first insulating brick layer 103 and the second insulating brick layer 203 are built, high-alumina building mud is adopted to connect adjacent mullite brick rows. And filling high-aluminum masonry mortar in the gap between the annular main body 1 and the side wall 2.

Example 4

A detection system of a heat preservation furnace comprises a detection structure 3 arranged on the inner side wall of an annular main body 1; the detection structure 3 comprises an installation plate 31, a bare water pipe 32 made of ceramic material is installed on the outer side of the installation plate 31, and two ends of the water pipe 32 are respectively communicated with a water pipe joint 33 penetrating through the installation plate 31; the two water pipe joints 33 are respectively communicated with a water inlet pipe and a water outlet pipe which penetrate through the annular main body 1 and extend to the outside; a first temperature sensor and a second temperature sensor are respectively installed at the water inlet pipe and the water outlet pipe.

The inner side of the mounting plate 31 positioned on the peripheral sides of the two water pipe joints 33 is provided with a heat preservation edge 34, and the heat preservation edge 34 sequentially comprises a ceramic fiber paper layer, a high-aluminum masonry coating and a silicon carbide masonry coating from inside to outside; by means of the insulating edge 34, the temperature is prevented from overflowing to the water pipe joint 33 through the space between the mounting plate 31 and the inner side wall of the shaped body 1.

The water outlet end of the water outlet pipe is communicated with a water collecting tank 4, and the water collecting tank 4 is communicated with at least one cooling tank 6 and at least one first constant temperature tank 5; the cooling tank 6 and the first constant temperature tank 5 are both communicated with a mixing tank 7, the mixing tank 7 is communicated with a second constant temperature tank 8, and the second constant temperature tank 8 is communicated with the water inlet pipe.

A first water pump for pumping water in the water collecting tank 4 into the first constant temperature tank 5 and the cooling tank 6 is arranged in the water collecting tank 4; a water pump II and a water pump III for pumping water into the mixing tank 7 are respectively arranged in the first constant temperature tank 5 and the cooling tank 6; a fourth water pump for pumping water in the mixing tank 7 into a second constant temperature tank 8 is arranged in the mixing tank 7, and a fifth water pump for pumping water in the second constant temperature tank 8 into a water inlet pipe is arranged in the second constant temperature tank 8; the first constant temperature tank 5, the cooling tank 6, the mixing tank 7 and the second constant temperature tank 8 are respectively provided with a temperature sensor A, a temperature sensor B, a temperature sensor C and a temperature sensor D; the water pump system further comprises a processor connected with the first temperature sensor, the second temperature sensor, the temperature sensor A, the temperature sensor B, the temperature sensor C, the temperature sensor D, the water pump II, the water pump I, the water pump III, the water pump IV and the water pump V.

During the use, will be located the warm water pump that the second constant temperature trough 8 internal temperature is 45 ℃ through five water pumps and go into in the inlet pipe, five work efficiency of simultaneous control water pump namely the flow of unit interval that flows through water pipe 32, pass through the business turn over temperature of first temperature sensor and second temperature sensor detection water, accomplish through the reading of first temperature sensor of analysis and second temperature sensor and detect annular main body 1 inside temperature.

The water flowing through the water pipe 32 is firstly discharged into the water collecting tank 4 through the water outlet pipe, then is respectively pumped into the cooling tank 6 and the first constant temperature tank 5 through the first water pump for storage, and the water temperature is detected;

then pumping water from the cooling tank 6 and the first constant temperature tank 5 into the mixing tank 7 through a second water pump and a third water pump respectively to be uniformly stirred, detecting the water temperature through a temperature sensor C, and adjusting the water pumping proportion of the cooling tank 6 and the first constant temperature tank 5; then pumping the water in the mixing tank 7 into a second constant temperature tank 8 through a fourth water pump for storage.

The general cooling tank 6 is always cooled to room temperature by water, the water is preserved by the second constant temperature tank 8 in summer at 45 ℃, the constancy of the water inlet temperature is guaranteed, and the detection accuracy is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.