CN215765122U - Energy-saving furnace door of hazardous waste incineration boiler - Google Patents

Abstract

The utility model discloses an energy-saving furnace door of a hazardous waste incineration boiler, which comprises a metal door frame, wherein the right end of the front surface of the metal door frame is fixedly connected with a fixed shaft, the middle end of the fixed shaft is movably connected with a fixed sleeve through a bearing, the left side of the fixed sleeve is fixedly connected with a furnace door body, the periphery of the furnace door body is movably connected to the inner surface of the metal door frame, and the furnace door body comprises a reinforcing layer. According to the utility model, under the mutual cooperation effect of the reinforcing layer, the low-alloy structural steel layer, the maraging steel layer, the furnace door body, the anti-corrosion layer, the polytetrafluoroethylene coating, the silicon nitride ceramic coating, the heat insulation layer, the aluminum silicate fiber plate layer, the polycrystalline mullite fiber plate layer and the mineral wool plate layer, the impact strength, the corrosion resistance, the high temperature resistance and the heat insulation performance of the furnace door body are greatly improved, the heat loss probability is reduced, and the service life of the furnace door body is prolonged.

Description

Energy-saving furnace door of hazardous waste incineration boiler

Technical Field

The utility model relates to the technical field of incineration boilers, in particular to an energy-saving furnace door of a hazardous waste incineration boiler.

Background

The incineration boiler is used for incinerating waste gas, waste liquid and solid waste: such as toxic gas (spray painting tail gas), toxic rocket liquid fuel, medical waste, domestic waste, animal carcasses and the like, is subjected to high-temperature incineration to achieve an environment-friendly device with reduced or reduced quantitative number, and simultaneously achieve a product utilizing the heat energy of partial incineration media, and the furnace door is one of the most important parts on an incineration boiler.

However, the existing furnace door for the incineration boiler has poor heat insulation effect, the heat inside the furnace door is very easy to be lost and dissipated to the outside in the use process, the energy waste in the use process of the incineration boiler is increased, the corrosion resistance of the furnace door is poor, and the furnace door is easy to be corroded by corrosive substances in the use process, so that the service life of the furnace door is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an energy-saving furnace door of a hazardous waste incineration boiler, which has the advantages of good heat insulation effect and good corrosion resistance, and solves the problems that the existing furnace door for the incineration boiler has poor heat insulation effect, the heat in the furnace door is easy to run off and dissipate to the outside during the use process, the energy waste in the use process of the incineration boiler is increased, and the corrosion resistance of the furnace door is poor.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a dangerous waste incineration boiler's energy-conserving furnace gate, includes the metal door frame, the right-hand member fixedly connected with fixed axle on the positive surface of metal door frame, the middle-end of fixed axle has fixed cover through bearing swing joint, the left side fixedly connected with furnace gate body of fixed cover, swing joint all around of furnace gate body is in the internal surface of metal door frame, the furnace gate body includes the enhancement layer, the enhancement layer includes low alloy structure steel layer and maraging steel layer, the internal surface fixedly connected with insulating layer of enhancement layer, the insulating layer includes aluminium silicate fiber board layer, polycrystal mullite fiber board layer and mineral wool board layer, the surface of enhancement layer is provided with the anticorrosion layer, the anticorrosion layer includes polytetrafluoroethylene coating and silicon nitride ceramic coating.

Preferably, the left end of the front surface of the oven door body is fixedly connected with an armrest, and a protective sleeve is sleeved at the middle end of the armrest.

Preferably, the left middle end fixedly connected with U type fixing base of furnace gate body, the left end on metal door frame positive surface has the threaded rod through removable pin swing joint, the left end threaded connection of threaded rod has the locking piece.

Preferably, the two sides of the locking block are fixedly connected with rotating rods, and rubber sheaths are sleeved on the surfaces of the rotating rods.

Preferably, the front surface of the mineral wool slab layer is fixedly connected to the back surface of the polycrystalline mullite fiber slab layer, and the front surface of the polycrystalline mullite fiber slab layer is fixedly connected to the back surface of the alumina silicate fiber slab layer.

Preferably, the inner surface of the low alloy structural steel layer is fixedly connected to the outer surface of the maraging steel layer, and the thickness of the low alloy structural steel layer is half of that of the maraging steel layer.

Preferably, the inner surface of the polytetrafluoroethylene coating is coated on the outer surface of the silicon nitride ceramic coating, and the inner surface of the silicon nitride ceramic coating is coated on the outer surface of the reinforcing layer.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the reinforcing layer, because the low-alloy structural steel layer and the maraging steel layer in the reinforcing layer have excellent strength, double-layer strength protection is formed inside the furnace door body, the strength of the furnace door body is greatly improved, the probability of damage of the furnace door body under external force impact is effectively reduced, through the arrangement of the anti-corrosion layer, because the polytetrafluoroethylene coating and the silicon nitride ceramic coating in the anti-corrosion layer have excellent anti-corrosion performance and high temperature resistance, double-layer corrosion resistance and high temperature resistance protection are formed on the surface of the furnace door body, the anti-corrosion performance and the high temperature resistance of the furnace door body are greatly improved, corrosion of corrosive substances and high-temperature flame on the surface of the furnace door body is effectively avoided, and through the arrangement of the heat insulation layer, because the aluminum silicate fiber plate layer, the polycrystalline fiber plate layer and the mineral wool plate layer in the heat insulation layer respectively have excellent heat insulation and heat insulation performance, at the inside of furnace gate body multi-level adiabatic and thermal-insulated protection has been formed, very big improvement the adiabatic and the heat-proof quality of furnace gate body, the effectual probability that reduces furnace gate body both sides heat loss, under whole complex effect, very big improvement the impact strength of furnace gate body, anticorrosion and high temperature resistance and heat-proof quality, when having reduced heat loss probability, the life of furnace gate body has been improved, it is relatively poor to have solved the thermal-insulated effect of current incineration boiler furnace door for the boiler, its inside heat very easily runs off to the external world in the use and gives off, the energy waste in the incineration boiler use has been increased then, and the relatively poor problem of corrosion resisting property of furnace door.

2. According to the utility model, through the arrangement of the handrail and the protective sleeve, a user can conveniently support the furnace door body, and through the arrangement of the U-shaped fixed seat, the threaded rod and the locking block, the user can conveniently lock and fix the furnace door body and the metal door frame.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of an oven door body according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a structure of an anti-corrosion layer in an embodiment of the utility model;

FIG. 4 is a schematic structural view of a reinforcing layer in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a thermal insulation layer in an embodiment of the present invention.

In the figure: 1. a furnace door body; 101. an anti-corrosion layer; 1011. a polytetrafluoroethylene coating; 1012. a silicon nitride ceramic coating; 102. a reinforcing layer; 1021. a low alloy structural steel layer; 1022. a maraging steel layer; 103. a thermal insulation layer; 1031. an aluminum silicate fiber board layer; 1032. a polycrystalline mullite fiber mat layer; 1033. a mineral wool board layer; 2. a metal door frame; 3. a handrail; 4. a rotating rod; 5. a locking block; 6. a threaded rod; 7. a U-shaped fixed seat; 8. a protective sleeve; 9. fixing a sleeve; 10. and fixing the shaft.

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 herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-5, an energy-saving furnace door of a hazardous waste incineration boiler comprises a metal door frame 2, a fixed shaft 9 is fixedly connected to the right end of the front surface of the metal door frame 2, a fixed sleeve 10 is movably connected to the middle end of the fixed shaft 9 through a bearing, a furnace door body 1 is fixedly connected to the left side of the fixed sleeve 10, the periphery of the furnace door body 1 is movably connected to the inner surface of the metal door frame 2, a handrail 3 is fixedly connected to the left end of the front surface of the furnace door body 1, a protective sleeve 8 is sleeved on the middle end of the handrail 3, a user can conveniently support the furnace door body 1 through the arrangement of the handrail 3 and the protective sleeve 8, a U-shaped fixed seat 7 is fixedly connected to the middle end of the left side of the furnace door body 1, a threaded rod 6 is movably connected to the left end of the front surface of the metal door frame 2 through a movable pin, a locking block 5 is connected to the left end of the threaded rod 6 through the arrangement of the U-shaped fixed seat 7, the threaded rod 6 and the locking block 5, the convenient locking fixing between the furnace door body 1 and the metal door frame 2 is carried out by a user, the two sides of the locking block 5 are fixedly connected with the rotating rod 4, the surface of the rotating rod 4 is sleeved with a rubber sheath, the furnace door body 1 comprises a reinforcing layer 102, the reinforcing layer 102 comprises a low alloy structural steel layer 1021 and a maraging steel layer 1022, the inner surface of the low alloy structural steel layer 1021 is fixedly connected with the outer surface of the maraging steel layer 1022, the thickness of the low alloy structural steel layer 1021 is one half of the thickness of the maraging steel layer 1022, the inner surface of the reinforcing layer 102 is fixedly connected with a heat insulation layer 103, the heat insulation layer 103 comprises an alumina silicate fiber plate layer 1031, a polycrystalline mullite fiber plate layer 1032 and a mineral mullite plate layer 1033, the front surface of the mineral mullite fiber plate layer 1033 is fixedly connected with the back of the polycrystalline mullite fiber plate layer 1032, the front surface of the polycrystalline mullite fiber plate layer 1032 is fixedly connected with the back of the alumina mullite fiber plate layer 1031, the outer surface of the reinforcing layer 102 is provided with the anti-corrosion layer 101, the anti-corrosion layer 101 comprises a polytetrafluoroethylene coating 1011 and a silicon nitride ceramic coating 1012, the inner surface of the polytetrafluoroethylene coating 1011 is coated on the outer surface of the silicon nitride ceramic coating 1012, the inner surface of the silicon nitride ceramic coating 1012 is coated on the outer surface of the reinforcing layer 102, through the arrangement of the reinforcing layer 102, because the low-alloy structural steel layer 1021 and the maraging steel layer 1022 in the reinforcing layer 102 both have excellent strength, double-layer strength protection is formed inside the furnace door body 1, the strength of the furnace door body 1 is greatly improved, the probability of damage of the furnace door body 1 caused by external force impact is effectively reduced, through the arrangement of the anti-corrosion layer 101, because the polytetrafluoroethylene coating 1011 and the silicon nitride ceramic coating 1012 in the anti-corrosion layer 101 both have excellent anti-corrosion performance and high temperature resistance, double-layer anti-corrosion and high temperature resistance protection are formed on the surface of the furnace door body 1, the corrosion resistance and the high temperature resistance of the furnace door body 1 are greatly improved, the corrosion of corrosive substances and high-temperature flame on the surface of the furnace door body 1 is effectively avoided, meanwhile, through the arrangement of the heat insulation layer 103, because the aluminum silicate fiber board layer 1031, the polycrystalline mullite fiber board layer 1032 and the mineral wool board layer 1033 in the heat insulation layer 103 respectively have excellent heat insulation and heat insulation properties, multi-level heat insulation and heat insulation protection is formed inside the furnace door body 1, the heat insulation and heat insulation properties of the furnace door body 1 are greatly improved, the probability of heat loss at two sides of the furnace door body 1 is effectively reduced, under the action of integral matching, the impact strength, the corrosion resistance, the high temperature resistance and the heat insulation properties of the furnace door body 1 are greatly improved, the probability of heat loss is reduced, the service life of the furnace door body 1 is prolonged, and the problem that the heat insulation effect of the furnace door for the existing incinerator is poor is solved, the heat inside the incinerator is easy to be lost and dissipated to the outside in the using process, and then the energy waste in the using process of the incineration boiler is increased, and the corrosion resistance of the furnace door is poor.

All the parts in the utility model are universal standard parts or parts known by technicians in the field, the structure and the principle of the parts are known by technicians in the field through technical manuals or conventional experimental methods, meanwhile, standard parts used in the application document can be purchased from the market, all the parts in the application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of all the parts adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, machines, parts and equipment adopt conventional models in the prior art, and specific description is not given.

The standard parts used in this document are commercially available, all the components in this document are customized according to the description of the specification and the drawings, and the connection relationship and specific structure between the layers in this document are all performed by the prior art, such as by mechanical methods, by adhesives, by various welding methods (such as thermal welding, ultrasonic welding, flux, welding, and fusion welding), and no specific description is made here.

When the furnace door is used, through the arrangement of the reinforcing layer 102, because the low-alloy structural steel layer 1021 and the maraging steel layer 1022 in the reinforcing layer 102 both have excellent strength, double-layer strength protection is formed inside the furnace door body 1, the strength of the furnace door body 1 is greatly improved, the probability of damage to the furnace door body 1 caused by external force impact is effectively reduced, through the arrangement of the anti-corrosion layer 101, because the polytetrafluoroethylene coating 1011 and the silicon nitride ceramic coating 1012 in the anti-corrosion layer 101 both have excellent anti-corrosion performance and high-temperature resistance, double-layer corrosion resistance and high-temperature resistance protection are formed on the surface of the furnace door body 1, the anti-corrosion performance and high-temperature resistance of the furnace door body 1 are greatly improved, corrosion of corrosive substances and high-temperature flame on the surface of the furnace door body 1 is effectively avoided, meanwhile, through the arrangement of the heat insulation layer 103, because the aluminum silicate fiber plate layer 1031 in the heat insulation layer 103, Polycrystal mullite fiber board layer 1032 and mineral wool board layer 1033 possess splendid thermal insulation and heat-proof quality respectively, multi-level thermal insulation and thermal-insulated protection have been formed in the inside of furnace gate body 1, very big improvement furnace gate body 1's thermal insulation and heat-proof quality, the effectual probability that reduces furnace gate body 1 both sides heat loss, under whole complex effect, very big improvement furnace gate body 1's impact strength, anticorrosion and high temperature resistance and heat-proof quality, when having reduced heat loss probability, the life of furnace gate body 1 has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a hazardous waste incineration boiler's energy-conserving furnace gate, includes metal door frame (2), its characterized in that: a fixed shaft (9) is fixedly connected with the right end of the front surface of the metal door frame (2), the middle end of the fixed shaft (9) is movably connected with a fixed sleeve (10) through a bearing, the left side of the fixed sleeve (10) is fixedly connected with a furnace door body (1), the periphery of the furnace door body (1) is movably connected with the inner surface of the metal door frame (2), the oven door body (1) comprises a reinforcement layer (102), the reinforcement layer (102) comprising a low alloy structural steel layer (1021) and a maraging steel layer (1022), the inner surface of the reinforcing layer (102) is fixedly connected with a heat insulation layer (103), the heat insulation layer (103) comprises an aluminum silicate fiber plate layer (1031), a polycrystalline mullite fiber plate layer (1032) and a mineral wool plate layer (1033), the outer surface of the reinforcing layer (102) is provided with an anti-corrosion layer (101), and the anti-corrosion layer (101) comprises a polytetrafluoroethylene coating (1011) and a silicon nitride ceramic coating (1012).

2. The energy-saving furnace door of a hazardous waste incineration boiler according to claim 1, wherein: the oven door is characterized in that a handrail (3) is fixedly connected to the left end of the front surface of the oven door body (1), and a protective sleeve (8) is sleeved at the middle end of the handrail (3).

3. The energy-saving furnace door of a hazardous waste incineration boiler according to claim 1, wherein: the left middle-end fixedly connected with U type fixing base (7) of furnace gate body (1), the left end on the positive surface of metal door frame (2) has threaded rod (6) through removable pin swing joint, the left end threaded connection of threaded rod (6) has locking piece (5).

4. The energy-saving furnace door of a hazardous waste incineration boiler according to claim 3, wherein: the equal fixedly connected with bull stick (4) in both sides of lock piece (5), the surface cover of bull stick (4) is equipped with rubber sheath.

5. The energy-saving furnace door of a hazardous waste incineration boiler according to claim 1, wherein: the front surface of the mineral wool board layer (1033) is fixedly connected to the back surface of the polycrystalline mullite fiber board layer (1032), and the front surface of the polycrystalline mullite fiber board layer (1032) is fixedly connected to the back surface of the alumina silicate fiber board layer (1031).

6. The energy-saving furnace door of a hazardous waste incineration boiler according to claim 1, wherein: the inner surface of the low alloy structural steel layer (1021) is fixedly connected to the outer surface of the maraging steel layer (1022), and the thickness of the low alloy structural steel layer (1021) is half the thickness of the maraging steel layer (1022).

7. The energy-saving furnace door of a hazardous waste incineration boiler according to claim 1, wherein: the inner surface of the polytetrafluoroethylene coating (1011) is coated on the outer surface of the silicon nitride ceramic coating (1012), and the inner surface of the silicon nitride ceramic coating (1012) is coated on the outer surface of the reinforcing layer (102).

Images