CN115319891B

CN115319891B - Production process and equipment for refractory heat insulation material

Info

Publication number: CN115319891B
Application number: CN202211055855.5A
Authority: CN
Inventors: 马东辰
Original assignee: Huairen Xinlianxin Porcelain Material Co ltd
Current assignee: Huairen Xinlianxin Porcelain Material Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2024-01-12
Anticipated expiration: 2042-08-31
Also published as: CN115319891A

Abstract

The invention relates to the field of refractory heat insulation materials, and discloses a production process and equipment of a refractory heat insulation material.

Description

Production process and equipment for refractory heat insulation material

Technical Field

The invention relates to the field of refractory heat insulation materials, in particular to a production process and equipment of a refractory heat insulation material.

Background

Refractory materials are materials whose physicochemical properties allow their use in high temperature environments, applied to various fields of national economy such as steel, nonferrous metals, glass, cement, ceramics, petrochemicals, machinery, boilers, light industry, electric power, military industry, etc.;

the refractory materials are mainly used for protecting or isolating equipment and products, and in order to improve the performance of the refractory materials, the refractory materials produced at present are mostly composite materials, the proportions of different materials are adjusted according to different working requirements, and then the materials are uniformly mixed and pressed by high pressure;

the existing refractory material has a certain flame-retardant effect, and can be relatively weak in heat insulation effect, so that the part to be protected is greatly damaged according to old people along with heat accumulation, meanwhile, the processing raw materials are easy to adhere to a die under a high-pressure environment, and the grinding tool can generate traction and pulling force on the formed refractory material during demolding, and the formed refractory material is easy to deform although not damaged, so that the production process and equipment of the refractory heat insulation material are provided for solving the problems.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the invention aims to provide a production process and equipment of a refractory heat-insulating material, the scheme of the invention produces the refractory heat-insulating material through improved formula and proportion, the effect is better and more stable, meanwhile, pores of the finished material are smaller, the air permeability is lower, a hollow heat-insulating layer is formed in a pressed mixture C through a ceramic lining, the heat conduction efficiency of the mixture C is reduced, the heat-insulating effect of the refractory heat-insulating material is further improved, carbon powder and oxygen-containing substances are filled in the ceramic lining, oxygen molecules in the oxygen-containing substances are decomposed and generated during firing, a large amount of carbon dioxide is generated during the combustion reaction with the carbon powder, the high temperature is emitted outwards from the inside of the ceramic lining, the temperature difference between the inside and outside of the formed mixture C during firing is reduced, the probability of cracking, deformation and other defective products of the formed mixture C is reduced, and in addition, carbon dioxide gas in the ceramic lining slowly permeates into the pores of the refractory heat-insulating material from inside to outside along with time, and the heat conduction efficiency of the refractory heat-insulating material is further reduced.

2. Technical proposal

In order to solve the problems, the invention adopts the following technical scheme.

A production process of a refractory heat insulation material comprises the following steps:

s1, preparing materials: adding 70-80 parts of graphite and 35-45 parts of sillimanite into a grinder, and further grinding to enable the mesh number to reach 40-50; adding 10-15 parts of magnesium oxide and 10-15 parts of corundum into a grinder, and further grinding to enable the mesh number to reach 80-100;

s2, mixing: firstly, adding 35-40 parts of clay, 10-15 parts of binder and 5-10 parts of surfactant into a mixer, fully mixing to obtain a mixture A, then adding 70-80 parts of graphite, 35-45 parts of sillimanite, 10-15 parts of magnesium oxide and 10-15 parts of corundum into the mixer, fully mixing to obtain a mixture B, finally adding the mixture B into the mixture A in 3-5 batches, and uniformly mixing at the temperature of 50-60 ℃ to obtain a final mixture C, so that the produced refractory and heat-insulating material has better and more stable effect, smaller pores and lower air permeability;

s3, pressing die: a layer of mixture C is paved in a compression molding device, the mixture C is firstly pressed into a shape with a groove at the top by a die with a raised surface, a hollow ceramic lining is placed in the groove, a layer of mixture C is paved, finally, the mixture C is pressed and formed by a die with a flat surface, and a hollow heat insulation layer is formed in the pressed and formed mixture C by the ceramic lining, so that the heat conduction efficiency is reduced, and the heat insulation effect of the fireproof heat insulation material is further improved;

s4, air-drying: placing the pressed mixture C at a ventilation position, coating a layer of air-tight waterproof coating after the surface of the mixture C is completely dried, and drying the mixture again, wherein the air-tight waterproof coating can weaken the air permeability of the formed mixture C and improve the fireproof and heat-insulating effects;

s5, firing: and (3) placing the preliminarily formed mixture C into a calciner, and calcining at 1550-1600 ℃ for 24-30H to obtain the refractory heat insulation material.

Furthermore, carbon powder and oxygen-containing substances are filled in the ceramic lining, the oxygen-containing substances are compounds capable of decomposing oxygen molecules in a high-temperature environment, and can be specifically copper oxide, potassium permanganate and the like, the filling amount of the carbon powder is required to be adjusted according to the proportion of oxygen molecules in the oxygen-containing substances, so that carbon monoxide is prevented from being produced due to insufficient oxygen, a catalyst is filled in the oxygen-containing substances, the oxygen-containing substances are decomposed in advance before the carbon powder reaches a burning point, carbon monoxide is prevented from being produced due to insufficient oxygen, the oxygen molecules in the oxygen-containing substances are decomposed during burning and react with the carbon powder to generate a large amount of carbon dioxide, a short-term high temperature is generated during the burning, the high temperature is emitted outwards from the inside of the ceramic lining, the temperature difference between the inside and the outside of the formed mixture C during burning is reduced, the probability of cracking, deformation and other defective products of the formed mixture C is reduced, meanwhile, the internal space of the ceramic lining is insufficient to contain all carbon dioxide, and the carbon dioxide slowly permeates into pores of a fireproof heat-insulating material from inside to outside along with time, and the heat conduction efficiency of the fireproof heat-insulating material is further reduced.

Further, when the calciner is fired, the temperature is increased to a specified height within 0.5-1H, and when the calciner is annealed, the temperature is reduced to normal temperature within 1-2H, so that the possibility of cracking, deformation and foaming of the refractory heat insulation material is reduced.

Further, the force of the die pressing is smaller than the maximum bearing force of the ceramic lining, so that the ceramic lining is prevented from being broken, and a hollow layer of the refractory heat-insulating material cannot be formed.

The utility model provides a refractory and heat-insulating material production facility, moulding-die equipment includes the rack, rack-mounted feeding equipment, rack's side-mounting mount table, the mid-mounting die block of mount table, the below of die block sets up lifts material equipment, the hydraulic equipment is installed at the top of mount table, its characterized in that: the bottom fixed connection mounting panel of hydraulic equipment, the bottom sliding connection top mould of mounting panel and pickup apparatus, the outside installation rotation equipment of top mould, the top mould includes dull and stereotyped and flange, dull and stereotyped volume is greater than the flange, ceramic lining supply equipment and fire-resistant insulating material collection equipment are set up to the side of die block.

Further, the injection cavity is all seted up to the inside of dull and stereotyped, flange and material lifting equipment, the inside of injection cavity is filled with the anti-sticking agent, the surface of dull and stereotyped, flange and material lifting equipment all is seted up with the communicating jack in injection cavity, the inboard opening part fixed connection sleeve of jack, telescopic internally mounted check valve, telescopic outside is seted up the imbibition hole, telescopic inside sliding connection piston, the inserted bar in the jack is extended into in fixed connection of one side of piston, the opposite side fixed connection layer board of piston, the water conservancy diversion hole is seted up to the inside of inserted bar, the piston be close to one side of inserted bar set up with the communicating collecting hole of water conservancy diversion hole, the outside of inserted bar set up with the communicating spraying hole of water conservancy diversion hole, fixed connection telescopic link between the inner wall of layer board and injection cavity.

Further, the distance from the flat plate to each side of the convex plate is the same, the jacks are uniformly distributed on the surfaces of the flat plate, the convex plate and the material lifting equipment, the distance between every two adjacent jacks is the same as the spraying radius of the spraying holes, and the anti-sticking agent can be sprayed on the top end and the periphery of the inserted link, so that the anti-sticking agent can completely cover the surfaces of the flat plate, the convex plate and the material lifting equipment, leakage is avoided, the adhesion of the fireproof heat insulation material is caused, and meanwhile, the anti-sticking agent is attached to the periphery of the inserted link, so that the residual mixture C of the inserted link is prevented from being brought into the jacks, and the equipment is enabled to run more stably.

Furthermore, the anti-sticking agent has volatility, can prevent the anti-sticking agent from being stuck together in the surface hardening process of the refractory heat insulation material during firing, and can volatilize at high temperature along with the extension of firing time, so that the later use is not influenced.

Further, the inner wall of spray chamber and lie in the laminating of the opposite one side of sleeve have the extrusion gasbag, and the extrusion gasbag is connected the atmosphere, and the extrusion gasbag has good elasticity, and when spraying intracavity anti-sticking agent was many, the extrusion gasbag was compressed, along with anti-sticking agent's reduction, the extrusion gasbag began to expand and fills the part that vacates, so makes anti-sticking agent be in the state of filling up spray chamber all the time, prevents that anti-sticking agent from appearing the condition that the feed is insufficient, prolongs anti-sticking agent's replenishment time, reduces anti-sticking agent's replenishment number of times.

Further, the inside of feeding equipment, mounting panel sets up horizontal drive unit, lift the inside of material equipment, hydraulic pressure equipment and pickup equipment and set up vertical drive unit, set up control unit in the top mould, horizontal drive unit, vertical drive unit and control unit electricity connection control host computer, control host computer carries out automated control, makes work efficiency higher.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) According to the scheme, the fireproof heat insulation material is produced through the improved formula and the improved proportion, the effect is better and more stable, meanwhile, the air holes of the finished product material are smaller, the air permeability is lower, meanwhile, a hollow heat insulation layer is formed in the mixture C formed by pressing through the ceramic lining, the heat conduction efficiency of the mixture C is reduced, the heat insulation effect of the fireproof heat insulation material is further improved, carbon powder and oxygen-containing substances are filled in the ceramic lining, oxygen molecules in the oxygen-containing substances are decomposed and generated during firing, the oxygen molecules react with the carbon powder to generate a large amount of carbon dioxide, a short time of high temperature is generated, the high temperature is emitted outwards from the inside of the ceramic lining, the temperature difference between the inside and the outside of the formed mixture C during firing is reduced, the probability that the formed mixture C is cracked, deformed and other defective products are reduced, in addition, carbon dioxide in the ceramic lining slowly permeates into the air holes of the fireproof heat insulation material from inside to outside along with time, and the heat conduction efficiency of the fireproof heat insulation material can be further reduced.

(2) And placing the pressed mixture C at a ventilation position, coating a layer of air-tight waterproof coating after the surface of the pressed mixture C is completely dried, and drying the pressed mixture C again, wherein the air-tight waterproof coating can weaken the air permeability of the formed mixture C and improve the fireproof and heat-insulating effects.

(3) The filling amount of the carbon powder needs to be adjusted according to the proportion of oxygen molecules in the oxygen-containing substances, so that the carbon monoxide is prevented from being produced due to insufficient oxygen, the oxygen-containing substances are filled with the catalyst, and the oxygen-containing substances are decomposed in advance before the carbon powder reaches the ignition point, so that the carbon monoxide is prevented from being produced due to insufficient oxygen.

(4) The force of the die pressing is smaller than the maximum bearing force of the ceramic lining, so that the ceramic lining is prevented from being broken, and a hollow layer of the refractory heat-insulating material cannot be formed.

(5) The feeding equipment feeds materials twice, the rotating equipment drives the top die to move, the flat plate and the flat plate are turned over to perform twice pressing, and the ceramic lining is put in the twice pressing process of the flat plate and the flat plate, so that the pressing die process is completed.

(6) Through setting up the inserted bar at the surface of dull and stereotyped, flange and lifting material equipment, the telescopic link passes through the layer board and promotes the piston to sleeve depths, the anti-sticking agent in the sleeve gets into the water conservancy diversion hole and sprays the hole through collecting liquid hole, remove the jack when spraying the hole, anti-sticking agent spill even attached to the surface at flange and lifting material equipment through spraying the hole, so guarantee dull and stereotyped, flange and lifting material equipment all adhere to one deck anti-sticking agent on the surface before contacting with mixture C, when avoiding the drawing of patterns, mixture C and dull and stereotyped, flange, lifting appear adhesion, tear between the material equipment, lead to taking place deformation with preliminary mixture C, influence the finished product quality.

(7) The interval of two adjacent jacks is the same with spraying hole injection radius, can make the anti-sticking agent spray inserted bar top and periphery, so anti-sticking agent can cover dull and stereotyped, flange and lift the surface of material equipment completely, avoids appearing missing the department, leads to fire-resistant insulating material adhesion, and the periphery of inserted bar has anti-sticking agent simultaneously, can avoid the remaining mixture C of inserted bar spare to bring into in the jack, makes equipment operation more stable.

(8) The anti-sticking agent has volatility, can prevent the surface of the refractory heat insulation material from being stuck together in the hardening process during firing, and can volatilize at high temperature along with the extension of firing time, so that the later use is not influenced.

(9) The inner wall of spray chamber and lie in the laminating of the opposite one side of sleeve have the extrusion gasbag, and the extrusion gasbag is connected the atmosphere, and the extrusion gasbag has good elasticity, sprays intracavity anti-sticking agent when many, and the extrusion gasbag is compressed, along with anti-sticking agent's reduction, the extrusion gasbag begins to expand and fills the part that vacates, makes anti-sticking agent be in the state of filling up spray chamber all the time like this, prevents that anti-sticking agent from appearing the condition that the feed is insufficient, prolongs anti-sticking agent's supplementary time, reduces anti-sticking agent's supplementary number of times.

Drawings

FIG. 1 is an overall illustration of the present invention;

FIG. 2 is a pre-press preparation view of the present invention;

FIG. 3 is a relief panel press-fit diagram of the present invention;

FIG. 4 is a diagram of the placement of a ceramic liner of the present invention;

FIG. 5 is a press-fit drawing of a flat plate of the present invention;

FIG. 6 is a press completion view of the present invention;

FIG. 7 is a partial cross-sectional view of a top mold of the present invention;

FIG. 8 is an illustration of the interior of the socket and sleeve of the present invention;

FIG. 9 is a reset state diagram of the plunger of the present invention;

fig. 10 is a view showing the injection state of the plunger according to the present invention.

The reference numerals in the figures illustrate:

1. a stand; 2. a feeding device; 3. a mounting table; 4. a bottom die; 5. lifting equipment; 6. a hydraulic device; 7. a mounting plate; 8. a top mold; 81. a flat plate; 82. a convex plate; 83. a spray chamber; 84. a jack; 85. a sleeve; 86. a liquid suction hole; 87. a piston; 88. a rod; 89. a deflector aperture; 810. a liquid collecting hole; 811. a spray hole; 812. a supporting plate; 813. a telescopic rod; 9. and a pick-up device.

Description of the embodiments

The technical scheme of the embodiment is clearly and completely described by combining the disclosed drawings, so that the purposes, technical scheme and beneficial effects of the embodiment of the disclosure are more clear. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

Unless otherwise defined, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure pertains. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" and the like means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof without precluding other elements or items. "upper", "lower", "inner", "outer", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.

Examples:

The ceramic lining is filled with carbon powder and oxygen-containing substances, the oxygen-containing substances are compounds which can decompose oxygen molecules in a high-temperature environment, the filling amount of the carbon powder can be specifically copper oxide, potassium permanganate and the like, the filling amount of the carbon powder needs to be adjusted according to the proportion of the oxygen molecules in the oxygen-containing substances, the oxygen-containing substances are prevented from producing carbon monoxide due to insufficient oxygen, the oxygen-containing substances are decomposed in advance before the carbon powder reaches a burning point, the oxygen molecules in the oxygen-containing substances are decomposed to generate combustion reaction with the carbon powder to generate a large amount of carbon dioxide during the burning process, short-term high temperature is generated during the burning process, the high temperature is emitted outwards from the inside of the ceramic lining, the temperature difference between the inside and the outside of the formed mixture C during the burning process is reduced, the probability of cracking, deformation and other defective products of the formed mixture C is reduced, meanwhile, the inner space of the ceramic lining is insufficient to contain all carbon dioxide, the carbon dioxide slowly permeates into pores of the heat-insulating material from inside to outside along with time, and the heat conduction efficiency of the refractory heat-insulating material is further reduced; when the calcining furnace is used for firing, the temperature is increased to a specified height within 0.5-1H, and when the calcining furnace is used for annealing, the temperature is reduced to normal temperature within 1-2H, so that the possibility of cracking, deformation and foaming of the refractory heat insulation material is reduced; the force of the die pressing is smaller than the maximum bearing force of the ceramic lining, so that the ceramic lining is prevented from being broken, and a hollow layer of the refractory heat-insulating material cannot be formed.

Referring to fig. 1-6, a refractory and heat-insulating material production device, a pressing die device comprises a rack 1, a feeding device 2 is installed on the rack 1, a mounting table 3 is installed on the side surface of the rack 1, a bottom die 4 is installed in the middle of the mounting table 3, a material lifting device 5 is arranged below the bottom die 4, and a hydraulic device 6 is installed at the top of the mounting table 3, and is characterized in that: the bottom of the hydraulic equipment 6 is fixedly connected with the mounting plate 7, the bottom of the mounting plate 7 is in sliding connection with the top die 8 and the pickup device 9, the rotating equipment is arranged on the outer side of the top die 8, the top die 8 comprises a flat plate 81 and a convex plate 82, the volume of the flat plate 81 is larger than that of the convex plate 82, ceramic lining supply equipment and refractory heat insulation material collecting equipment are arranged on the side face of the bottom die 4, a horizontal driving unit is arranged in the feeding equipment 2 and the mounting plate 7, a vertical driving unit is arranged in the lifting equipment 5, the hydraulic equipment 6 and the pickup device 9, a control unit is arranged in the top die 8, the horizontal driving unit, the vertical driving unit and the control unit are electrically connected with a control host, and the control host is subjected to automatic control, so that the working efficiency is higher; during production, the feeding device 2 pushes the mixture C into the bottom die 4, the rotating device drives the top die 8 to rotate so that the convex plate 82 faces downwards, as shown in fig. 2, the hydraulic device 6 pushes the mounting plate 7, the top die 8 moves downwards into the bottom die 4, the top die 8 and the material lifting device 5 press the mixture C into a shape with a groove at the top, as shown in fig. 3, the hydraulic device 6 drives the mounting plate 7 and the top die 8 to reset, the top die 8 and the pickup device 9 slide leftwards, the pickup device 9 takes the ceramic lining obtained from the ceramic lining supplying device into the groove formed by the mixture C, as shown in fig. 4, the feeding device 2 pushes the mixture C into the material lifting device 5 again to cover the ceramic lining, meanwhile, the rotating device drives the top die 8 to rotate so that the flat plate 81 faces downwards, the hydraulic device 6 pushes the mounting plate 7 and the top die 8 moves downwards into the bottom die 4, the mixture C is initially pressed into the shape, as shown in fig. 5, the hydraulic device 6 drives the mounting plate 7 and the top die 8 to reset, the material lifting device 5 pushes the initially formed mixture C out, and the refractory heat insulating material collecting device takes the mixture out, and completes the pressing process.

Referring to fig. 7-10, a fire-resistant heat-insulating material production device is disclosed, a spraying cavity 83 is formed in each of a flat plate 81, a convex plate 82 and a material lifting device 5, anti-sticking agent is filled in each spraying cavity 83, a jack 84 communicated with each spraying cavity 83 is formed in each of the surfaces of the flat plate 81, the convex plate 82 and the material lifting device 5, a sleeve 85 is fixedly connected to an opening of the inner side of the jack 84, a one-way valve is arranged in the sleeve 85, a liquid suction hole 86 is formed in the outer side of the sleeve 85, a piston 87 is connected in a sliding manner in the sleeve 85, one side of the piston 87 is fixedly connected with a plug rod 88 extending into the jack 84, the other side of the piston 87 is fixedly connected with a supporting plate 812, a diversion hole 89 is formed in the interior of the plug rod 88, a liquid collecting hole 810 communicated with the diversion hole 89 is formed in one side of the piston 87 adjacent to the plug rod 88, a spraying hole 811 communicated with the diversion hole 89 is formed in the outer side of the plug rod 88, and the opening of the spraying hole 811 is kept a certain distance from the opening of the jack 84, before spraying the anti-sticking agent through the spraying holes 811, a pressure accumulation process is carried out, a telescopic rod 813 is fixedly connected between the supporting plate 812 and the inner wall of the spraying cavity 83, before feeding the feeding device 2, the telescopic rod 813 in the feeding device 5 and the convex plate 82 is started, the piston 87 is pushed to the deep side of the sleeve 85 through the supporting plate 812, the plug rod 88 is pushed to the outer side of the jack 84 through the plug rod 87, in the process, the anti-sticking agent in the sleeve 85 enters the diversion holes 89 and the spraying holes 811 through the liquid collecting holes 810, when the spraying holes 811 move out of the jack 84, the anti-sticking agent is sprayed out through the spraying holes 811 and uniformly adheres to the surfaces of the convex plate 82 and the feeding device 5, as shown in fig. 10, then all the components are reset, the plug rod 88 is retracted into the jack 84, the piston 87 moves into the sleeve 85 through the liquid suction holes 86, the feeding device 2 is fed, the top die 8 is reversed to enable the flat plate 81 to face upwards the convex plate 82 downwards, the insert rod 88 in the flat plate 81 repeats the above work in the process of moving down the flat plate 81, so that the flat plate 81, the convex plate 82 and the material lifting device 5 are all adhered with a layer of anti-sticking agent on the surface before being contacted with the mixture C, and adhesion and pulling between the mixture C and the flat plate 81, the convex plate 82 and the material lifting device 5 during demolding are avoided, so that deformation occurs on the primary mixture C, and the quality of a finished product is affected.

Referring to fig. 9-10, distances from the flat plate 81 to each side of the convex plate 82 are the same, the insertion holes 84 are uniformly distributed on the surfaces of the flat plate 81, the convex plate 82 and the material lifting device 5, and the distance between two adjacent insertion holes 84 is the same as the injection radius of the injection hole 811, so that the anti-sticking agent can be sprayed on the top end and the periphery of the inserted rod 88, thus the anti-sticking agent can completely cover the surfaces of the flat plate 81, the convex plate 82 and the material lifting device 5, the leakage is avoided, the adhesion of fire-resistant heat insulation materials is avoided, and meanwhile, the anti-sticking agent is attached to the periphery of the inserted rod 88, so that the mixture C remained by the inserted rod 88 is prevented from being brought into the insertion holes 84, and the device is enabled to run more stably; the anti-sticking agent has volatility, can prevent the surface of the refractory heat insulation material from being stuck together in the hardening process during firing, and is volatilized at high temperature along with the extension of firing time, so that the later use is not influenced; further, the inner wall of the injection cavity 83 and the opposite surface of the sleeve 85 are attached with the extrusion air bags, the extrusion air bags are connected with the atmosphere, the extrusion air bags have good elasticity, when the anti-sticking agent in the injection cavity 83 is more, the extrusion air bags are compressed, and the extrusion air bags start to expand to fill the empty part along with the reduction of the anti-sticking agent, so that the anti-sticking agent is always in a state of filling the injection cavity 83, the situation that the anti-sticking agent is insufficient in feeding is prevented, the supplementing time of the anti-sticking agent is prolonged, and the supplementing times of the anti-sticking agent are reduced.

The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.

Claims

1. A production process of a refractory heat-insulating material is characterized by comprising the following steps of:

s2, mixing: adding 35-40 parts of clay, 10-15 parts of binder and 5-10 parts of surfactant into a mixer, fully mixing to obtain a mixture A, adding 70-80 parts of graphite, 35-45 parts of sillimanite, 10-15 parts of magnesium oxide and 10-15 parts of corundum into the mixer, fully mixing to obtain a mixture B, adding the mixture B into the mixture A in 3-5 batches, and uniformly mixing at the temperature of 50-60 ℃ to obtain a final mixture C;

s3, pressing die: paving a layer of mixture C in a compression molding device, firstly pressing the mixture C into a shape with a groove at the top by using a die with a raised surface, placing a hollow ceramic lining in the groove, paving a layer of mixture C, and finally pressing the mixture C into a shape by using a die with a flat surface;

s4, air-drying: placing the pressed mixture C at a ventilation position, coating a layer of air-tight waterproof coating after the surface of the mixture C is completely dried, and waiting for drying again;

s5, firing: placing the preliminarily formed mixture C into a calciner, and calcining at 1550-1600 ℃ for 24-30H to obtain a refractory heat insulation material;

carbon powder and oxygen-containing substances are filled in the ceramic lining, the oxygen-containing substances are compounds which can decompose oxygen molecules in a high-temperature environment, and the filling amount of the carbon powder is required to be adjusted according to the proportion of the oxygen molecules in the oxygen-containing substances.

2. The process for producing refractory and heat-insulating material according to claim 1, wherein: the temperature is raised to a specified height within 0.5-1H when the calciner is fired, and is lowered to normal temperature within 1-2H when the calciner is annealed.

3. The process for producing refractory and heat-insulating material according to claim 1, wherein: the force of the die pressing is smaller than the maximum bearing force of the ceramic lining.

4. A fire-resistant heat-insulating material production apparatus for a fire-resistant heat-insulating material production process according to claim 1, characterized in that: the compression molding equipment comprises a rack (1), feeding equipment (2) is installed on the rack (1), a side mounting installation table (3) of the rack (1), a bottom die (4) is installed in the middle of the installation table (3), a material lifting equipment (5) is arranged below the bottom die (4), and hydraulic equipment (6) is installed at the top of the installation table (3), and the compression molding equipment is characterized in that: the bottom of the hydraulic equipment (6) is fixedly connected with the mounting plate (7), the bottom of the mounting plate (7) is in sliding connection with the top die (8) and the pickup equipment (9), the outer side of the top die (8) is provided with the rotating equipment, the top die (8) comprises a flat plate (81) and a convex plate (82), and the volume of the flat plate (81) is larger than that of the convex plate (82);

injection chamber (83) are all offered to the inside of dull and stereotyped (81), flange (82) and lifting material equipment (5), the inside of injection chamber (83) is filled with anti-sticking agent, and jack (84) communicating with injection chamber (83) are all offered on the surface of dull and stereotyped (81), flange (82) and lifting material equipment (5), inboard opening part fixed connection sleeve (85) of jack (84), telescopic internally mounted check valve, imbibition hole (86) are offered in telescopic outside (85), telescopic inside sliding connection piston (87) of sleeve (85), inserted bar (88) in jack (84) are stretched into in one side fixed connection of piston (87), inserted bar (812) are offered to the opposite side fixed connection of piston (87), inside of inserted bar (88) is offered water collecting hole (810) communicating with water collecting hole (89) are offered to piston (87) one side that is close to inserted bar (88), outside of inserted bar (88) is offered with water collecting hole (811) communicating with water collecting hole (89), telescopic connection between the inner wall of injection chamber (83) and flexible layer board (813).

5. The refractory and heat-insulating material production facility according to claim 4, wherein: the distances from the flat plate (81) to the edges of the convex plate (82) are the same, the jacks (84) are uniformly distributed on the surfaces of the flat plate (81), the convex plate (82) and the material lifting equipment (5), and the distance between two adjacent jacks (84) is the same as the spraying radius of the spraying hole (811).

6. The refractory and heat-insulating material production facility according to claim 4, wherein: the anti-sticking agent has volatility.

7. The refractory and heat-insulating material production facility according to claim 4, wherein: the inner wall of the injection cavity (83) and the opposite surface of the sleeve (85) are attached with extrusion air bags.

8. The refractory and heat-insulating material production facility according to claim 4, wherein: the inside of feeding equipment (2), mounting panel (7) sets up horizontal drive unit, the inside of lifting material equipment (5), hydraulic pressure equipment (6) and picking up equipment (9) sets up vertical drive unit, set up control unit in top mould (8), horizontal drive unit, vertical drive unit and control unit electricity connection control host computer.