CN112050249A - Spraying process for ceramic fiber for sealing boiler top and wall - Google Patents

Spraying process for ceramic fiber for sealing boiler top and wall Download PDF

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Publication number
CN112050249A
CN112050249A CN202010849542.1A CN202010849542A CN112050249A CN 112050249 A CN112050249 A CN 112050249A CN 202010849542 A CN202010849542 A CN 202010849542A CN 112050249 A CN112050249 A CN 112050249A
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China
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groups
spraying
boiler
sets
ceramic fibers
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CN202010849542.1A
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Chinese (zh)
Inventor
蒋锡初
王新平
王超凡
李涛
盛袁杰
范俊杰
蒋莎
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Jiangsu Sinai Lining Engineering Co ltd
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Jiangsu Sinai Lining Engineering Co ltd
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Priority to CN202010849542.1A priority Critical patent/CN112050249A/en
Publication of CN112050249A publication Critical patent/CN112050249A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23MCASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00Casings; Linings; Walls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23MCASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00Casings; Linings; Walls
    • F23M5/06Crowns or roofs for combustion chambers

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Spray Control Apparatus (AREA)
  • Laminated Bodies (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

The invention relates to the technical field of power station boiler sealing, in particular to a spraying process of ceramic fibers for sealing a boiler top and a boiler wall, which improves comprehensive economic benefits, improves the environmental pollution of boiler operation and improves the field civilized environment of power station boiler equipment; the method is characterized by comprising the following steps: step 1, cleaning a part of the surface of a furnace top or a furnace wall, which needs to be sprayed with ceramic fibers, cleaning dust and removing an old heat-insulating layer; step 2, covering the cleaned part with dustproof cloth to prevent the cleaned part from falling dust again; step 3, cleaning the spraying site to facilitate spraying construction; step 4, performing repair welding heat preservation nail and base surface guniting treatment on the base surface to be sprayed; and 5, spraying ceramic fibers on the base surface and adding a stainless steel net, wherein the thickness of the sprayed layer is designed to enable the sealed heat-insulating layer to form an integral state.

Description

Spraying process for ceramic fiber for sealing boiler top and wall
Technical Field
The invention relates to the technical field of power station boiler sealing, in particular to a spraying process of ceramic fibers for boiler top and wall sealing.
Background
The heat insulating technology for furnace top and wall of boiler in power station is that conventional industrial thermal equipment is used to make heat insulating, and its main material is aluminium silicate felt. The process method comprises the following steps of heat insulation nail, main heat insulation material layered staggered joint laying, wire netting, a plastering layer and an outer protective plate, and the problems and the defects existing in the background technology are as follows: 1. the heat insulation material laid by the staggered joints has more joints, some parts are difficult to construct, and cracking and heat dissipation are easy to generate in the use process, so that the overtemperature phenomenon is serious. 2. The furnace top sealing layer has the defects of poor tensile strength, cracking and heat dissipation of the heat insulation layer, serious overtemperature dust leakage and dust deposition, poor sealing and heat insulation effects, serious influence on the safe and economic operation of the boiler and greatly reduced thermal efficiency of the boiler. 3. The service life of equipment such as instruments and meters of the boiler is seriously influenced, the site of the equipment is seriously polluted, and the site is seriously undeveloped.
Disclosure of Invention
In order to solve the technical problems, the invention provides the spraying process for the sealing ceramic fibers on the boiler top and the boiler wall, which increases the adaptability of parts difficult to construct, eliminates the process defects existing in difficult construction, solves the problems of overtemperature and ash leakage existing in the sealing and heat preservation of the boiler top and the boiler wall, improves the sealing and heat preservation performance of the boiler and the thermal efficiency of the boiler, prolongs the safe and efficient operation time of the boiler, improves the comprehensive economic benefit, improves the environmental pollution of the operation of the boiler, and improves the field civilized environment of power station boiler equipment.
The invention relates to a spraying process of ceramic fibers for sealing boiler tops and boiler walls, which comprises the following steps:
step 1, cleaning a part of the surface of a furnace top or a furnace wall, which needs to be sprayed with ceramic fibers, cleaning dust and removing an old heat-insulating layer;
step 2, covering the cleaned part with dustproof cloth to prevent the cleaned part from falling dust again;
step 3, cleaning the spraying site to facilitate spraying construction;
step 4, performing repair welding heat preservation nail and base surface guniting treatment on the base surface to be sprayed;
and 5, spraying ceramic fibers on the base surface and adding a stainless steel net, wherein the thickness of the sprayed layer is designed to enable the sealed heat-insulating layer to form an integral state.
The invention relates to a spraying process for sealing ceramic fibers on the top and the wall of a boiler, wherein spraying equipment adopted in the spraying operation in step 5 further comprises a bottom plate, four groups of trundles, two groups of mounting plates, a top plate, two groups of guide pillars, two groups of sliding sleeves, a spray pipe, a pump body, a connecting hose, two groups of fixing devices and two groups of reciprocating lifting devices, wherein the four groups of trundles are symmetrically mounted at the bottom end of the bottom plate, the two groups of mounting plates are vertically and symmetrically mounted at the top end of the bottom plate, the top plate is fixedly mounted at the top ends of the two groups of mounting plates, the two groups of guide pillars are respectively vertically and fixedly mounted on the two groups of mounting plates, the two groups of sliding sleeves are respectively slidably mounted on the two groups of guide pillars, the spray pipe is transversely and fixedly mounted between the two groups, two sets of fixing devices are respectively arranged at two sides of the bottom plate, and reciprocating lifting devices for driving the two sets of sliding sleeves to synchronously lift are respectively arranged on the two sets of mounting plates.
The invention relates to a spraying process for sealing ceramic fibers on the top and the wall of a boiler, wherein each group of reciprocating lifting devices in spraying equipment further comprises two groups of bearing blocks, a reciprocating lead screw, a lead screw nut and a motor, the two groups of bearing blocks are fixedly arranged on a mounting plate, the reciprocating lead screw is rotatably arranged between the two groups of bearing blocks, the lead screw nut is sleeved on the reciprocating lead screw in a threaded manner, the motor is fixedly arranged at the bottom of the mounting plate, the output end of the motor is fixedly connected with the bottom end of the reciprocating lead screw, and the lead screw nut is fixedly connected.
According to the spraying process for the ceramic fibers sealed on the boiler top and the boiler wall, disclosed by the invention, the spraying equipment further comprises a plurality of groups of wire sleeves, the plurality of groups of wire sleeves are uniformly fixed on the connecting hose, and the plurality of groups of wire sleeves can be sleeved on the left guide post in a sliding manner.
According to the spraying process of the ceramic fibers sealed on the boiler top and the boiler wall, each group of fixing devices in the spraying equipment further comprises a mounting plate and a screw rod, the mounting plate is fixedly mounted at the side end of the bottom plate, a boss is arranged at the top end of the mounting plate, a threaded hole penetrating through the top end of the boss and the bottom end of the mounting plate is formed in the top end of the boss, the screw rod is inserted into the threaded hole in the top end of the boss in a threaded mode, and a hexagonal bolt cap is arranged at.
According to the spraying process of the ceramic fibers for sealing the boiler top and the boiler wall, the flexible magnetic stripes are arranged around the dustproof cloth in the step 2, and the dustproof cloth is fixed on the surface of the ceramic fibers to be sprayed by utilizing the magnetic connection between the flexible magnetic stripes and the boiler body.
Compared with the prior art, the invention has the beneficial effects that: the adaptability of the part difficult to construct is increased, the process defect difficult to construct is eliminated, the problems of overtemperature and ash leakage of the furnace top and the furnace wall in sealing and heat insulation are solved, the sealing and heat insulation performance of the boiler and the heat efficiency of the boiler are improved, the safe and efficient operation time of the boiler is prolonged, the comprehensive economic benefit is improved, the environmental pollution of the boiler operation is improved, and the field civilized environment of the power station boiler equipment is improved.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of the construction of the spray coating device;
FIG. 3 is a schematic structural view of a reciprocating lifting device in the spraying equipment;
FIG. 4 is an enlarged view of the structure of the fixing device;
in the drawings, the reference numbers: 1. a base plate; 2. a caster wheel; 3. mounting a plate; 4. a top plate; 5. a guide post; 6. a sliding sleeve; 7. a nozzle; 8. a pump body; 9. a connecting hose; 10. a fixing device; 11. a bearing seat; 12. a reciprocating screw; 13. a lead screw nut; 14. a motor; 15. a wire sleeve; 16. mounting a plate; 17. a boss; 18. a screw; 19. a hexagonal bolt cap.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
A spraying process for ceramic fibers sealed on the top and the wall of a boiler is characterized by comprising the following steps: step 1, cleaning a part of the surface of a furnace top or a furnace wall, which needs to be sprayed with ceramic fibers, cleaning dust and removing an old heat-insulating layer; step 2, covering the cleaned part with dustproof cloth to prevent the cleaned part from falling dust again; step 3, cleaning the spraying site to facilitate spraying construction; step 4, performing repair welding heat preservation nail and base surface guniting treatment on the base surface to be sprayed; step 5, spraying ceramic fibers and a stainless steel net on the base surface, wherein the thickness of the sprayed layer is in accordance with the design requirement, so that the sealed heat-insulating layer forms an integral state; by adopting the process, the adaptability of the part difficult to construct is improved, the process defect difficult to construct is eliminated, the problems of overtemperature and ash leakage existing in the sealing and heat preservation of the furnace top and the furnace wall are solved, the sealing and heat preservation performance of the boiler and the heat efficiency of the boiler are improved, the safe and efficient operation time of the boiler is prolonged, the comprehensive economic benefit is improved, the environmental pollution of the operation of the boiler is improved, and the field civilized environment of the power station boiler equipment is improved.
As a preferred technical scheme, the spraying process of the ceramic fibers for sealing the boiler top and the boiler wall is characterized by comprising the following steps of: step 1, cleaning a part of the surface of a furnace top or a furnace wall, which needs to be sprayed with ceramic fibers, cleaning dust and removing an old heat-insulating layer; step 2, covering the cleaned part with dustproof cloth to prevent the cleaned part from falling dust again; step 3, cleaning the spraying site to facilitate spraying construction; step 4, performing repair welding heat preservation nail and base surface guniting treatment on the base surface to be sprayed; step 5, spraying ceramic fibers and a stainless steel net on the base surface, wherein the thickness of the sprayed layer is in accordance with the design requirement, so that the sealed heat-insulating layer forms an integral state; the spraying equipment adopted in the spraying operation in the step 5 further comprises a bottom plate 1, four groups of trundles 2, two groups of mounting plates 3, a top plate 4, two groups of guide pillars 5, two groups of sliding sleeves 6, a spray pipe 7, a pump body 8, a connecting hose 9, two groups of fixing devices 10 and two groups of reciprocating lifting devices, wherein the four groups of trundles 2 are symmetrically arranged at the bottom end of the bottom plate 1, the two groups of mounting plates 3 are vertically and symmetrically arranged at the top end of the bottom plate 1, the top plate 4 is fixedly arranged at the top ends of the two groups of mounting plates 3, the two groups of guide pillars 5 are respectively vertically and fixedly arranged on the two groups of mounting plates 3, the two groups of sliding sleeves 6 are respectively and slidably arranged on the two groups of guide pillars 5, the spray pipe 7 is transversely and fixedly arranged between the two groups of sliding sleeves 6, a plurality of nozzles are arranged at the, two groups of fixing devices 10 are respectively arranged at two sides of the bottom plate 1, and reciprocating lifting devices for driving two groups of sliding sleeves 6 to synchronously lift are respectively arranged on two groups of mounting plates 3; through removing connection structure such as bottom plate 1 to needs carry out the fibrous brickwork front end of spraying, make multiunit nozzle on the spray tube 7 aim at the brickwork, later the input and the external fibrous raw materials of pottery of the intercommunication pump body 8, and start pump body 8, go into to spray tube 7 pipeline inside with external pottery fibre by coupling hose 9 pump under the power of pump body 8, and spout the surface to the brickwork by the multiunit nozzle, and two sets of reciprocating lift device of synchronous start, make two sets of reciprocating lift device drive two sets of sliding sleeves 6 and do reciprocating motion along two sets of guide pillars 5 respectively, thereby drive spray tube 7 and do reciprocating motion from top to bottom, and carry out spraying pottery fibre repeatedly to the brickwork surface, be convenient for carry out the spraying of pottery fibre to the brickwork surface, save the manpower, and improve the practicality.
As a preferred technical scheme, the spraying process of the ceramic fibers for sealing the boiler top and the boiler wall is characterized by comprising the following steps of: step 1, cleaning a part of the surface of a furnace top or a furnace wall, which needs to be sprayed with ceramic fibers, cleaning dust and removing an old heat-insulating layer; step 2, covering the cleaned part with dustproof cloth to prevent the cleaned part from falling dust again; step 3, cleaning the spraying site to facilitate spraying construction; step 4, performing repair welding heat preservation nail and base surface guniting treatment on the base surface to be sprayed; step 5, spraying ceramic fibers and a stainless steel net on the base surface, wherein the thickness of the sprayed layer is in accordance with the design requirement, so that the sealed heat-insulating layer forms an integral state; the spraying equipment adopted in the spraying operation in the step 5 further comprises a bottom plate 1, four groups of trundles 2, two groups of mounting plates 3, a top plate 4, two groups of guide pillars 5, two groups of sliding sleeves 6, a spray pipe 7, a pump body 8, a connecting hose 9, two groups of fixing devices 10 and two groups of reciprocating lifting devices, wherein the four groups of trundles 2 are symmetrically arranged at the bottom end of the bottom plate 1, the two groups of mounting plates 3 are vertically and symmetrically arranged at the top end of the bottom plate 1, the top plate 4 is fixedly arranged at the top ends of the two groups of mounting plates 3, the two groups of guide pillars 5 are respectively vertically and fixedly arranged on the two groups of mounting plates 3, the two groups of sliding sleeves 6 are respectively and slidably arranged on the two groups of guide pillars 5, the spray pipe 7 is transversely and fixedly arranged between the two groups of sliding sleeves 6, a plurality of nozzles are arranged at the, two groups of fixing devices 10 are respectively arranged at two sides of the bottom plate 1, and reciprocating lifting devices for driving two groups of sliding sleeves 6 to synchronously lift are respectively arranged on two groups of mounting plates 3; each group of reciprocating lifting devices in the spraying equipment further comprises two groups of bearing blocks 11, a reciprocating lead screw 12, a lead screw nut 13 and a motor 14, wherein the two groups of bearing blocks 11 are fixedly arranged on the mounting plate 3, the reciprocating lead screw 12 is rotatably arranged between the two groups of bearing blocks 11, the lead screw nut 13 is sleeved on the reciprocating lead screw 12 in a threaded manner, the motor 14 is fixedly arranged at the bottom of the mounting plate 3, the output end of the motor 14 is fixedly connected with the bottom end of the reciprocating lead screw 12, and the lead screw nut 13 is fixedly connected with the sliding sleeve 6; through starter motor 14, drive reciprocal lead screw 12 rotatory, under the limiting action of guide pillar 5 and sliding sleeve 6, make lead screw nut 13 drive sliding sleeve 6 and do reciprocating motion from top to bottom, improve the practicality.
As a preferred technical scheme, the spraying process of the ceramic fibers for sealing the boiler top and the boiler wall is characterized by comprising the following steps of: step 1, cleaning a part of the surface of a furnace top or a furnace wall, which needs to be sprayed with ceramic fibers, cleaning dust and removing an old heat-insulating layer; step 2, covering the cleaned part with dustproof cloth to prevent the cleaned part from falling dust again; step 3, cleaning the spraying site to facilitate spraying construction; step 4, performing repair welding heat preservation nail and base surface guniting treatment on the base surface to be sprayed; step 5, spraying ceramic fibers and a stainless steel net on the base surface, wherein the thickness of the sprayed layer is in accordance with the design requirement, so that the sealed heat-insulating layer forms an integral state; the spraying equipment adopted in the spraying operation in the step 5 further comprises a bottom plate 1, four groups of trundles 2, two groups of mounting plates 3, a top plate 4, two groups of guide pillars 5, two groups of sliding sleeves 6, a spray pipe 7, a pump body 8, a connecting hose 9, two groups of fixing devices 10 and two groups of reciprocating lifting devices, wherein the four groups of trundles 2 are symmetrically arranged at the bottom end of the bottom plate 1, the two groups of mounting plates 3 are vertically and symmetrically arranged at the top end of the bottom plate 1, the top plate 4 is fixedly arranged at the top ends of the two groups of mounting plates 3, the two groups of guide pillars 5 are respectively vertically and fixedly arranged on the two groups of mounting plates 3, the two groups of sliding sleeves 6 are respectively and slidably arranged on the two groups of guide pillars 5, the spray pipe 7 is transversely and fixedly arranged between the two groups of sliding sleeves 6, a plurality of nozzles are arranged at the, two groups of fixing devices 10 are respectively arranged at two sides of the bottom plate 1, and reciprocating lifting devices for driving two groups of sliding sleeves 6 to synchronously lift are respectively arranged on two groups of mounting plates 3; each group of reciprocating lifting devices further comprises two groups of bearing blocks 11, a reciprocating screw rod 12, a screw rod nut 13 and a motor 14, wherein the two groups of bearing blocks 11 are fixedly arranged on the mounting plate 3, the reciprocating screw rod 12 is rotatably arranged between the two groups of bearing blocks 11, the screw rod nut 13 is sleeved on the reciprocating screw rod 12 in a threaded manner, the motor 14 is fixedly arranged at the bottom of the mounting plate 3, the output end of the motor 14 is fixedly connected with the bottom end of the reciprocating screw rod 12, and the screw rod nut 13 is fixedly connected with the sliding sleeve 6; the wire sleeve structure further comprises a plurality of groups of wire sleeves 15, the plurality of groups of wire sleeves 15 are uniformly fixed on the connecting hose 9, and the plurality of groups of wire sleeves 15 can be sleeved on the left guide post 5 in a sliding manner; through the arrangement, the connecting hose 9 is bent and folded along with the lifting process of the spray pipe 7, the occurrence of the dead condition of knotting and blocking of the connecting hose 9 is reduced, and the practicability is improved.
As a preferred technical scheme, the spraying process of the ceramic fibers for sealing the boiler top and the boiler wall is characterized by comprising the following steps of: step 1, cleaning a part of the surface of a furnace top or a furnace wall, which needs to be sprayed with ceramic fibers, cleaning dust and removing an old heat-insulating layer; step 2, covering the cleaned part with dustproof cloth to prevent the cleaned part from falling dust again; step 3, cleaning the spraying site to facilitate spraying construction; step 4, performing repair welding heat preservation nail and base surface guniting treatment on the base surface to be sprayed; step 5, spraying ceramic fibers and a stainless steel net on the base surface, wherein the thickness of the sprayed layer is in accordance with the design requirement, so that the sealed heat-insulating layer forms an integral state; the spraying equipment adopted in the spraying operation in the step 5 further comprises a bottom plate 1, four groups of trundles 2, two groups of mounting plates 3, a top plate 4, two groups of guide pillars 5, two groups of sliding sleeves 6, a spray pipe 7, a pump body 8, a connecting hose 9, two groups of fixing devices 10 and two groups of reciprocating lifting devices, wherein the four groups of trundles 2 are symmetrically arranged at the bottom end of the bottom plate 1, the two groups of mounting plates 3 are vertically and symmetrically arranged at the top end of the bottom plate 1, the top plate 4 is fixedly arranged at the top ends of the two groups of mounting plates 3, the two groups of guide pillars 5 are respectively vertically and fixedly arranged on the two groups of mounting plates 3, the two groups of sliding sleeves 6 are respectively and slidably arranged on the two groups of guide pillars 5, the spray pipe 7 is transversely and fixedly arranged between the two groups of sliding sleeves 6, a plurality of nozzles are arranged at the, two groups of fixing devices 10 are respectively arranged at two sides of the bottom plate 1, and reciprocating lifting devices for driving two groups of sliding sleeves 6 to synchronously lift are respectively arranged on two groups of mounting plates 3; each group of reciprocating lifting devices further comprises two groups of bearing blocks 11, a reciprocating screw rod 12, a screw rod nut 13 and a motor 14, wherein the two groups of bearing blocks 11 are fixedly arranged on the mounting plate 3, the reciprocating screw rod 12 is rotatably arranged between the two groups of bearing blocks 11, the screw rod nut 13 is sleeved on the reciprocating screw rod 12 in a threaded manner, the motor 14 is fixedly arranged at the bottom of the mounting plate 3, the output end of the motor 14 is fixedly connected with the bottom end of the reciprocating screw rod 12, and the screw rod nut 13 is fixedly connected with the sliding sleeve 6; the wire sleeve structure further comprises a plurality of groups of wire sleeves 15, the plurality of groups of wire sleeves 15 are uniformly fixed on the connecting hose 9, and the plurality of groups of wire sleeves 15 can be sleeved on the left guide post 5 in a sliding manner; each group of fixing devices 10 further comprises a mounting plate 16 and a screw 18, the mounting plate 16 is fixedly mounted at the side end of the bottom plate 1, a boss 17 is arranged at the top end of the mounting plate 16, a threaded hole penetrating through the top end of the boss 17 and the bottom end of the mounting plate 16 is formed in the top end of the boss 17, the screw 18 is inserted into the threaded hole in the top end of the boss 17 in a threaded manner, and a hexagonal bolt cap 19 is arranged at the top end of the screw 18; by screwing the hexagonal bolt cap 19 until the bottom end of the screw rod 18 is tightly attached to the ground, the connecting structures such as the bottom plate 1 can be fixed conveniently, the situation that the connecting structures such as the bottom plate 1 move in the spraying process is reduced, and the stability is improved.
As a preferred technical scheme, the spraying process of the ceramic fibers for sealing the boiler top and the boiler wall is characterized by comprising the following steps of: step 1, cleaning a part of the surface of a furnace top or a furnace wall, which needs to be sprayed with ceramic fibers, cleaning dust and removing an old heat-insulating layer; step 2, covering the cleaned part with dustproof cloth to prevent the cleaned part from falling dust again; step 3, cleaning the spraying site to facilitate spraying construction; step 4, performing repair welding heat preservation nail and base surface guniting treatment on the base surface to be sprayed; step 5, spraying ceramic fibers and a stainless steel net on the base surface, wherein the thickness of the sprayed layer is in accordance with the design requirement, so that the sealed heat-insulating layer forms an integral state; the periphery of the dustproof cloth in the step 2 is provided with flexible magnetic stripes, and the dustproof cloth is fixed on the surface of the ceramic fiber to be sprayed by utilizing the magnetic connection between the flexible magnetic stripes and the furnace body; through adopting the dustproof cloth that has the magnetic stripe, the fixed mounting dustproof cloth of being convenient for improves the practicality.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A spraying process for ceramic fibers sealed on the top and the wall of a boiler is characterized by comprising the following steps:
step 1, cleaning a part of the surface of a furnace top or a furnace wall, which needs to be sprayed with ceramic fibers, cleaning dust and removing an old heat-insulating layer;
step 2, covering the cleaned part with dustproof cloth to prevent the cleaned part from falling dust again;
step 3, cleaning the spraying site to facilitate spraying construction;
step 4, performing repair welding heat preservation nail and base surface guniting treatment on the base surface to be sprayed;
and 5, spraying ceramic fibers on the base surface and adding a stainless steel net, wherein the thickness of the sprayed layer is designed to enable the sealed heat-insulating layer to form an integral state.
2. The process for spraying ceramic fibers on the top and the wall of a boiler according to claim 1, wherein the spraying equipment used in the step 5 further comprises a bottom plate (1), four sets of casters (2), two sets of mounting plates (3), a top plate (4), two sets of guide posts (5), two sets of sliding sleeves (6), a spray pipe (7), a pump body (8), a connecting hose (9), two sets of fixing devices (10) and two sets of reciprocating lifting devices, wherein the four sets of casters (2) are symmetrically arranged at the bottom end of the bottom plate (1), the two sets of mounting plates (3) are vertically and symmetrically arranged at the top end of the bottom plate (1), the top plate (4) is fixedly arranged at the top end of the two sets of mounting plates (3), the two sets of guide posts (5) are respectively vertically and fixedly arranged on the two sets of mounting plates (3), the two sets of sliding sleeves (6) are respectively slidably arranged on the two sets of guide posts (5), the rear end of spray tube (7) is provided with the multiunit nozzle, the bottom at left side mounting panel (3) is fixed mounting to the pump body (8), the input of coupling hose (9) is connected with the output of the pump body (8), the output of coupling hose (9) is connected with the input of spray tube (7), two sets of fixing device (10) are installed respectively in the both sides of bottom plate (1), the reciprocal elevating gear that is used for driving two sets of sliding sleeve (6) synchronous lifting installs respectively on two sets of mounting panels (3).
3. The spraying process of the ceramic fibers sealed on the top and the wall of the boiler as claimed in claim 2, wherein each group of reciprocating lifting devices in the spraying equipment further comprises two groups of bearing blocks (11), a reciprocating lead screw (12), a lead screw nut (13) and a motor (14), the two groups of bearing blocks (11) are fixedly installed on the installation plate (3), the reciprocating lead screw (12) is rotatably installed between the two groups of bearing blocks (11), the lead screw nut (13) is sleeved on the reciprocating lead screw (12), the motor (14) is fixedly installed at the bottom of the installation plate (3), the output end of the motor (14) is fixedly connected with the bottom end of the reciprocating lead screw (12), and the lead screw nut (13) is fixedly connected with the sliding sleeve (6).
4. The spraying process of the ceramic fibers sealed on the top and the wall of the boiler as claimed in claim 3, wherein the spraying equipment further comprises a plurality of groups of wire sleeves (15), the plurality of groups of wire sleeves (15) are uniformly fixed on the connecting hose (9), and the plurality of groups of wire sleeves (15) are slidably sleeved on the left guide post (5).
5. The spraying process of the ceramic fibers sealed on the top and the wall of the boiler as claimed in claim 4, wherein each group of fixing devices (10) in the spraying equipment further comprises a mounting plate (16) and a screw (18), the mounting plate (16) is fixedly mounted at the side end of the bottom plate (1), the top end of the mounting plate (16) is provided with a boss (17), the top end of the boss (17) is provided with a threaded hole penetrating through the top end of the boss (17) and the bottom end of the mounting plate (16), the screw (18) is inserted into the threaded hole at the top end of the boss (17) in a threaded manner, and the top end of the screw (18) is provided with a hexagonal bolt cap (19.
6. The spraying process of the ceramic fibers on the top and the wall of the boiler as claimed in claim 1, wherein the dust cloth in step 2 is provided with flexible magnetic stripes around the dust cloth, and the dust cloth is fixed on the surface of the ceramic fibers to be sprayed by utilizing the magnetic connection between the flexible magnetic stripes and the boiler body.
CN202010849542.1A 2020-08-21 2020-08-21 Spraying process for ceramic fiber for sealing boiler top and wall Pending CN112050249A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08200653A (en) * 1995-01-30 1996-08-06 Nippon Puraiburiko Kk Equipment for spraying refractory onto inner surface of vertical type structure having cylindrical shape
CN204533825U (en) * 2014-12-18 2015-08-05 合肥江淮汽车制管有限公司 Braking comb assembly before a kind of
CN107036124A (en) * 2017-04-06 2017-08-11 江苏兴鼎力炉窑工程有限公司 Boiler roof sealing construction technology
CN208410520U (en) * 2018-05-08 2019-01-22 范伟 A kind of BMC injection mold cleaning device
CN208832998U (en) * 2018-07-20 2019-05-07 天津振普筑炉衬里工程有限公司 A kind of fine lining reparation structure of heating furnace headwall pottery
CN209958691U (en) * 2019-04-04 2020-01-17 余镐弛 Automatic wall coating device capable of mixing coating
CN210195172U (en) * 2019-05-30 2020-03-27 成都纺织高等专科学校 Lead screw lifting type spraying device
CN210887960U (en) * 2019-09-23 2020-06-30 广州市番禺大石建筑工程有限公司 Wall body spraying equipment for building decoration

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08200653A (en) * 1995-01-30 1996-08-06 Nippon Puraiburiko Kk Equipment for spraying refractory onto inner surface of vertical type structure having cylindrical shape
CN204533825U (en) * 2014-12-18 2015-08-05 合肥江淮汽车制管有限公司 Braking comb assembly before a kind of
CN107036124A (en) * 2017-04-06 2017-08-11 江苏兴鼎力炉窑工程有限公司 Boiler roof sealing construction technology
CN208410520U (en) * 2018-05-08 2019-01-22 范伟 A kind of BMC injection mold cleaning device
CN208832998U (en) * 2018-07-20 2019-05-07 天津振普筑炉衬里工程有限公司 A kind of fine lining reparation structure of heating furnace headwall pottery
CN209958691U (en) * 2019-04-04 2020-01-17 余镐弛 Automatic wall coating device capable of mixing coating
CN210195172U (en) * 2019-05-30 2020-03-27 成都纺织高等专科学校 Lead screw lifting type spraying device
CN210887960U (en) * 2019-09-23 2020-06-30 广州市番禺大石建筑工程有限公司 Wall body spraying equipment for building decoration

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