CN109468710B - Ceramic fiber cotton blowing device and method - Google Patents
Ceramic fiber cotton blowing device and method Download PDFInfo
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- CN109468710B CN109468710B CN201811556368.0A CN201811556368A CN109468710B CN 109468710 B CN109468710 B CN 109468710B CN 201811556368 A CN201811556368 A CN 201811556368A CN 109468710 B CN109468710 B CN 109468710B
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- 239000000835 fiber Substances 0.000 title claims abstract description 86
- 238000007664 blowing Methods 0.000 title claims abstract description 63
- 229920000742 Cotton Polymers 0.000 title claims abstract description 48
- 239000000919 ceramic Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 195
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims description 59
- 230000005540 biological transmission Effects 0.000 claims description 36
- 239000002994 raw material Substances 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000002893 slag Substances 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000007380 fibre production Methods 0.000 abstract description 3
- 230000009970 fire resistant effect Effects 0.000 description 3
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nozzles (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention discloses a ceramic fiber blowing cotton blowing device and a method, belongs to the technical field of refractory fiber production equipment, and solves the problems that a high-temperature molten liquid blowing fiber forming rate of a traditional blowing device in the prior art is about 80%, the content of coarse, short and soft slag balls of the fiber is 15-18% high, a spray head is often blocked, maintenance and replacement are labor-consuming, time-consuming and material-consuming, normal production is affected, the grade of a produced product is low, and high-quality cotton standard cannot be achieved. The technical proposal is as follows: comprises a spray head, an air delivery device and a spray head fixing frame; the spray head is connected with the air conveying device and is arranged on the spray head fixing frame; the blowing device blows the high-temperature molten juice into the fiber with the fiber rate of about 90 percent, and the fiber is thin, long and soft, and has good slag ball content of about 6 to 8 percent; the spray head device is inspected once when the furnace is shut down every 40-60 days, maintenance is not needed at ordinary times, and the spray head device is usually replaced once a year, so that the spray head device has long service time, high production efficiency and high quality of produced products, and is suitable for users with higher requirements.
Description
Technical Field
The invention relates to the technical field of refractory fiber production equipment, in particular to a ceramic fiber cotton blowing device and a ceramic fiber cotton blowing method.
Background
Refractory fibers, which may also be called ceramic fibers, are fibrous insulating refractory materials. The ceramic fiber has the characteristics of common fibers, such as soft texture, high elasticity and certain tensile strength, and can be further processed into various paper, threads, ropes, belts, carpets, felts and other products; the ceramic fiber has high temperature resistance and corrosion resistance which are not available in common fibers, and is widely applied to industries such as metallurgy, chemical industry, machinery, building materials, shipbuilding, aviation, aerospace and the like.
Ceramic (aluminum silicate) fiber cotton has been produced and sold for more than 30 years, from 80 years of arc furnace (small furnace) blowing aluminum silicate fiber cotton to present ceramic fiber resistance furnace (resistance furnace), it can produce blowing fiber cotton, blowing fiber needled blanket, spinning fiber cotton, spinning fiber needled blanket, etc., four series twenty-more varieties and ceramic fiber downstream products. In the aspects of ceramic fiber production, manufacturing process and technology, abundant experience and technical data are accumulated, and the production process and equipment are updated and improved for many times, so that the quality of ceramic fiber series products is greatly improved. The ceramic fiber blowing cotton produced by the resistance melting furnace is a raw material for producing ceramic fiber fire-resistant paper, ceramic fiber fire-resistant board and brick. With the implementation of national environmental protection policies and the implementation of national branding programs, the environmental protection requirements of various industries and the quality requirements of various products are also increasing. The requirements for ceramic fiber fire-resistant paper, board, brick, special-shaped piece and the like on the raw materials of ceramic fiber spraying cotton are higher and higher, and particularly, the requirements for the length, thickness, flexibility and slag ball content of ceramic fiber cotton are higher and higher. According to the industry standard of ceramic fiber blowing cotton, the fiber of the blowing fiber cotton is fine, long and soft, and less than 8% of slag balls are high-quality cotton, and the fiber cotton produced by the traditional blowing process can not meet the current downstream product requirement; the spray head of the traditional spray device sprays high-temperature molten liquid into about 80% of fiber, the coarse, short and soft slag ball content of the fiber is 15-18%, the copper spray sheet of the spray head is overhauled for 3-5 days to treat an eyelet once, one spray sheet is replaced in half a month, 20-30 minutes are needed for overhauling and replacing the spray sheet each time, labor and time are wasted, and the material is wasted to influence the normal production, and the produced product belongs to a low-grade product, and cannot produce high-quality cotton; therefore, in order to solve the problem that the ceramic fiber cotton produced by the conventional process cannot meet the requirement of high-quality cotton standard, a person skilled in the art is required to solve the problem.
Disclosure of Invention
Aiming at the defects, the invention provides the ceramic fiber blowing cotton blowing device and the ceramic fiber blowing method, which solve the problems that the high-temperature molten liquid blowing rate of the traditional blowing device is about 80 percent, the content of coarse, short and soft slag balls of the fiber is 15 to 18 percent higher, a nozzle is often blocked, the maintenance and the replacement are labor-consuming, time-consuming and material-consuming, the normal production is influenced, the grade of the produced product is low, and the high-quality cotton standard cannot be achieved in the prior art.
The technical scheme adopted for solving the technical problems is as follows:
the ceramic fiber blowing cotton blowing device comprises a spray head, a spray head air conveying pipeline and a fan, wherein the spray head is arranged at an air outlet of the spray head air conveying pipeline, the spray head air conveying pipeline is connected with the fan, and air blown by the fan is sprayed out through the spray head at the air outlet of the spray head air conveying pipeline; comprises a spray head, an air delivery device and a spray head fixing frame; the spray head is connected with the air conveying device and is arranged on the spray head fixing frame;
the spray head comprises a spray head sleeve, a spray head core and a high-pressure air adjusting pipe, wherein the spray head core is arranged in the spray head sleeve and fixedly arranged on the upper wall of the inner cavity of the spray head sleeve in a screw connection manner; an independent air pipe is arranged at the center of the spray head core, and the high-pressure air adjusting pipe sequentially penetrates through the spray head sleeve and the outer wall of the spray head core and is communicated with the independent air pipe of the spray head core;
the air conveying device comprises a high-pressure air conveying device and a low-pressure air conveying device;
the high-pressure air conveying device comprises an air conveying pipeline, a fan, a total air valve, a high-pressure air regulating valve and a high-pressure air pressure gauge; one end of the high-pressure air regulating valve is connected with the high-pressure air regulating pipe through an air conveying pipeline, and the other end of the high-pressure air regulating valve is sequentially connected with the main air valve and the fan through the air conveying pipeline to form a closed circulation loop; a high-pressure air pressure gauge is arranged on an air transmission pipeline between the high-pressure air regulating pipe and the high-pressure air regulating valve;
the low-pressure air conveying device comprises an air conveying pipeline, a fan, a total air valve, a main air pipe regulating valve and a main air pipe pressure gauge; one end of the main air pipe adjusting valve is connected with the nozzle sleeve through an air conveying pipeline, and the other end of the main air pipe adjusting valve is sequentially connected with the main air valve and the fan through the air conveying pipeline to form a closed circulation loop; a main air pipe pressure gauge is arranged on the air conveying pipeline between the nozzle sleeve and the main air pipe regulating valve.
The spray head is made of stainless steel, and the spray head sleeve and the spray nozzle of the spray head core are both of inclined knife edge cross section structures.
The axis of the nozzle sleeve and the axis of the nozzle core are different, and the outer diameter of the nozzle core is larger than the radius of the inner diameter of the nozzle sleeve.
The pipe length of the nozzle sleeve is longer than that of the nozzle core.
The lower part of the nozzle core is provided with a triangle-shaped or diamond-shaped notch along the direction of the nozzle core pipe.
The spray head fixing frame comprises a fixing plate, a spray head angle adjusting device, a spray head front-back adjusting device a spray head left-right adjusting device and a spray head lifting adjusting device; the spray head angle adjusting device, the fixed plate, the spray head front-back adjusting device and the spray head left-right adjusting device form a front-back and left-right moving vehicle;
the spray head angle adjusting device comprises a spray head fixing clamp and a spray head angle adjusting plate, a spray head sleeve is fixedly arranged on the spray head fixing clamp, the spray head fixing clamp is fixedly arranged on the spray head angle adjusting plate, the spray head angle adjusting plate is arranged on the fixing plate, and the spray head angle adjusting device is locked and fixed by adjusting the angle between the spray head angle adjusting plate and the fixing plate and using bolts and is used for adjusting the angle of the spray head;
the front-back adjusting device of the spray head comprises a front-back transmission screw rod, a front-back moving slide block, a slide way and a hand wheel I, wherein the hand wheel I is fixedly arranged on the front-back transmission screw rod, the front-back moving slide block is movably arranged on the slide way, the fixed plate is arranged on the front-back moving slide block and the front-back transmission screw rod, the hand wheel I is rotated to drive the front and rear transmission screw rod to rotate, and the front and rear transmission screw rod rotates to drive the fixed plate arranged on the front and rear moving slide block to move along the slide way for front and rear adjustment of the spray head;
the spray head left-right adjusting device comprises a left-right transmission screw rod, a left-right moving slide block, a slide way and a hand wheel II, wherein the hand wheel II is fixedly arranged on the left-right transmission screw rod, the left-right moving slide block is movably arranged on the slide way, the fixed plate is arranged on the left-right moving slide block and the left-right transmission screw rod, the left-right transmission screw rod is driven to rotate by rotating the hand wheel II, and the fixed plate arranged on the left-right moving slide block is driven to move along the slide way by rotating the hand wheel II for left-right adjustment of the spray head;
the spray head lifting adjusting device comprises a lifting screw, a support column and a plurality of hand wheels III, wherein the top end of the lifting screw is connected with the fixing plate, the bottom end of the lifting screw is arranged in the support column and is in threaded fit connection with the support column, the lifting screw can be driven to rotate by rotating the hand wheels III, and the lifting screw rotates to be in threaded fit transmission with the support column for lifting adjustment of the spray head.
A pair of hand wheels III are symmetrically arranged on the outer wall of the supporting column.
The method for blowing the ceramic fiber blowing cotton by adopting the ceramic fiber blowing cotton blowing device, wherein one side of the blowing device is provided with a high-temperature molten juice channel, and the method comprises the following steps of:
(1) blowing into the blowing device: the fan works, and the air is blown out in two ways by adjusting the air quantity through the air delivery pipeline through the total air valve;
one path of air enters a high-pressure air regulating valve through an air conveying pipeline, the air quantity is regulated by the high-pressure air regulating valve to flow into a high-pressure air regulating pipe, the air enters an independent air pipe of a spray head core through the high-pressure air regulating pipe, and then the air is sprayed out from an outlet of the spray head core along the independent air pipe;
the other air enters the main air pipe regulating valve through the air conveying pipeline, the air quantity is regulated to flow into the nozzle sleeve through the main air pipe regulating valve, and the air is ejected from the nozzle sleeve outlet along the nozzle sleeve;
(2) ceramic fiber raw materials are prepared: the method comprises the steps of releasing current through a molybdenum electrode in a resistance melting furnace to generate heat, melting ceramic fiber raw materials to form a high Wen Rongzhi, and flowing high-temperature molten juice out of a furnace bottom flow port through a high-temperature molten juice channel;
(3) angle and position adjustment of the spray head: adjusting a spray head angle adjusting plate to achieve a required spray angle, locking and fixing the spray head angle adjusting plate by bolts, rotating a hand wheel III to lift the height of the spray head device, and rotating the hand wheel I and the hand wheel II to adjust the front-back and left-right displacement of the spray head device so that an air outlet of the spray head device is aligned with the furnace bottom flow port;
(4) and (3) blowing operation: high-pressure air ejected from the nozzle core blows the high-temperature molten juice flow from vertical falling into horizontal forward movement, so that the high-temperature molten juice is elongated, cooled and formed into fibers; meanwhile, the molten juice which is formed into fibers or is not formed into fibers is stretched again and blown away by wind sprayed out from the nozzle sleeve, the fibers are blown to the cotton collecting opening under the action of high-pressure wind of the nozzle, meanwhile, an induced draft fan is arranged at the cotton collecting opening, and under the action of the induced draft fan, the fibers formed by the high-temperature molten juice rapidly enter the cotton collector box.
The air sprayed by the nozzle sleeve is U-shaped air.
Compared with the prior art, the ceramic fiber blowing cotton blowing device and method have the following beneficial effects:
1. the spray head device sprays high-temperature molten juice into fiber with a fiber rate of about 90%, and the fiber is thin, long and soft, and has a slag ball content of about 6-8% lower; the spray head device is inspected once when the furnace is shut down every furnace (40 days-60 days), maintenance is not needed at ordinary times, and the spray head device is replaced once a year, so that the spray head device has long service time, high production efficiency and high quality of produced products, and is suitable for users with higher requirements;
2. the spray head device is made of 304 stainless steel materials, a spray head opening is of an inclined knife edge section structure, an independent air pipe is arranged at the center of a spray head core, the independent air pipe is connected with a high-pressure air adjusting pipe, a high-pressure air pressure gauge is arranged on an air conveying pipeline between the high-pressure air adjusting pipe and a high-pressure air adjusting valve, and air pressure is adjusted to be slightly higher than air pressure in a spray head sleeve;
3. the lower part of the nozzle core is provided with a triangle-shaped or diamond-shaped notch along the direction of the nozzle core pipe, which has the advantages of increasing the area of the nozzle sleeve air channel, ensuring the wind speed at the top of the nozzle sleeve triangle to be sharp, and blowing the vertically-downward high-temperature molten juice to be flat and forward moved again;
4. the spray head core is arranged in the spray head sleeve and fixedly arranged at the upper wall of the inner cavity of the spray head sleeve by screw connection, so that wind sprayed in the air duct of the spray head sleeve is U-shaped, molten juice which is formed by fibers or is not formed into fibers is stretched again, the fibers are diffused, the distribution area is enlarged, the temperature is reduced, and the fibers are blown thinner and longer; a main air pipe pressure gauge is arranged on an air transmission pipeline between the nozzle sleeve and the main air pipe regulating valve, so that the wind power and the air quantity in the nozzle sleeve can be conveniently regulated;
5. according to the field requirement, the air sprayed by the nozzle device is regulated to meet the flow of the high-temperature molten liquid vertically flowing down to reach an optimal working point, a manual nozzle angle regulating plate is used for regulating the required spraying angle, the nozzle device is locked and fixed by bolts, the height of the nozzle device is manually rotated, the front-back displacement and the left-right displacement of the nozzle device are manually rotated by a hand wheel I and a hand wheel II, so that the quality of ceramic fiber sprayed cotton is stable and high, and the purposes of improving the nozzle, increasing the wind pressure and the wind quantity and producing high-quality fiber cotton are achieved;
6. the device structural design is reasonable, convenient to use and long service life, therefore, has fine popularization and use value.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 shows a ceramic fiber blowing cotton a schematic structural diagram of the blowing device;
fig. 2 is a schematic view of fig. 1 in a direction a.
In the figure: 1. the shower nozzle sleeve pipe, 2, the shower nozzle core, 3, the high-pressure wind control pipe, 4, independent tuber pipe, 5, the air transmission pipeline, 6, the fan, 7, the total blast gate, 8, the high-pressure wind control valve, 9, the high-pressure wind manometer, 10, the main tuber pipe governing valve, 11, the main tuber pipe manometer, 12, the shower nozzle fixing clip, 13, shower nozzle angle regulating plate, 14, the fixed plate, 15, back-and-forth drive lead screw, 16, back-and-forth movement slider, 17, the slide, 18, hand wheel I, 19, left-and-right drive lead screw, 20, left-and-right movement slider, 21, the slide, 22, hand wheel II, 23, the lifting lead screw, 24, the support column, 25, hand wheel III, 26, high temperature juice passageway.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
Example 1:
the invention relates to a ceramic fiber blowing cotton blowing device, which comprises a spray head, a spray head air conveying pipeline and a fan, wherein the spray head is arranged at an air outlet of the spray head air conveying pipeline; comprises a spray head made of stainless steel, an air delivery device and a spray head fixing frame; the spray head is connected with the air conveying device and is arranged on the spray head fixing frame;
the spray head comprises a spray head sleeve 1, a spray head core 2 and a high-pressure air adjusting pipe 3, wherein the spray head core 2 is arranged in the spray head sleeve 1 and fixedly arranged on the upper wall of the inner cavity of the spray head sleeve 1 by screw connection; an independent air pipe 4 is arranged at the center of the spray head core 2, and a high-pressure air adjusting pipe 3 sequentially penetrates through the spray head sleeve 1 and the outer wall of the spray head core 2 and is communicated with the independent air pipe 4 of the spray head core 2; the nozzle sleeve 1 of the nozzle and the nozzle of the nozzle core 2 are both in inclined-edge cross-section structures; the lower part of the nozzle core 2 is provided with a triangle-shaped or diamond-shaped notch along the pipeline direction of the nozzle core 2; the axis of the nozzle sleeve 1 and the axis of the nozzle core 2 are different, the outer diameter of the nozzle core 2 is larger than the radius of the inner diameter of the nozzle sleeve 1, and the pipe length of the nozzle sleeve 1 is larger than the pipe length of the nozzle core 2;
the air conveying device comprises a high-pressure air conveying device and a low-pressure air conveying device;
the high-pressure air conveying device comprises an air conveying pipeline 5, a fan 6, a total air valve 7, a high-pressure air regulating valve 8 and a high-pressure air pressure gauge 9; one end of the high-pressure air regulating valve 8 is connected with the high-pressure air regulating pipe 3 through an air conveying pipeline 5, and the other end of the high-pressure air regulating valve is sequentially connected with the main air valve 7 and the fan 6 through the air conveying pipeline 5 to form a closed circulation loop; a high-pressure air pressure gauge 9 is arranged on the air transmission pipeline 5 between the high-pressure air regulating pipe 3 and the high-pressure air regulating valve 8 and is used for regulating and observing the air pressure in the high-pressure air regulating pipe 3;
the low-pressure air conveying device comprises an air conveying pipeline 5, a fan 6, a total air valve 7, a main air pipe regulating valve 10 and a main air pipe pressure gauge 11; one end of the main air pipe regulating valve 10 is connected with the nozzle sleeve 1 through an air conveying pipeline 5, and the other end of the main air pipe regulating valve is sequentially connected with the main air valve 7 and the fan 6 through the air conveying pipeline 5 to form a closed circulation loop; a main air duct pressure gauge 11 is arranged on the air conveying pipeline 5 between the nozzle sleeve 1 and the main air duct regulating valve 10 and is used for regulating and observing the air pressure in the main air duct;
the spray head fixing frame comprises a fixing plate 14, a spray head angle adjusting device, a spray head front-back adjusting device, a spray head left-right adjusting device and a spray head lifting adjusting device; the spray head angle adjusting device, the fixed plate 14, the spray head front-back adjusting device and the spray head left-right adjusting device form a front-back and left-right moving vehicle;
the spray head angle adjusting device comprises a spray head fixing clamp 12 and a spray head angle adjusting plate 13, wherein the spray head sleeve 1 is fixedly arranged on the spray head fixing clamp 12, the spray head fixing clamp 12 is fixedly arranged on the spray head angle adjusting plate 13, the spray head angle adjusting plate 13 is arranged on the fixing plate 14, and the spray head angle adjusting device is used for adjusting the angle of the spray head by adjusting the angle between the spray head angle adjusting plate 13 and the fixing plate 14 and locking and fixing the spray head by using bolts;
the front-back adjusting device of the spray head comprises a front-back transmission screw rod 15, a front-back moving slide block 16, a slide way 17 and a hand wheel I18, wherein the hand wheel I18 is fixedly arranged on the front-back transmission screw rod 15, the front-back moving slide block 16 is movably arranged on the slide way 17, a fixed plate 14 is arranged on the front-back moving slide block 16 and the front-back transmission screw rod 15, the front-back transmission screw rod 15 is driven to rotate by rotating the hand wheel I18, and the front-back transmission screw rod 15 is driven to move along the slide way 17 by rotating the fixed plate 14 arranged on the front-back moving slide block 16 for front-back adjustment of the spray head;
the spray head left-right adjusting device comprises a left-right transmission screw rod 19, a left-right moving slide block 20, a slide way 17 and a hand wheel II 22, wherein the hand wheel II 22 is fixedly arranged on the left-right transmission screw rod 19, the left-right moving slide block 20 is movably arranged on the slide way 17, the fixed plate 14 is arranged on the left-right moving slide block 20 and the left-right transmission screw rod 19, the hand wheel II 22 is rotated to drive the left-right transmission screw rod 19 to rotate by rotating the hand wheel II 22, and the left-right transmission screw rod 19 is rotated to drive the fixed plate 14 arranged on the left-right moving slide block 20 to move along the slide way 17 for left-right adjustment of the spray head;
the spray head lifting adjusting device comprises lifting screw rods 23, supporting columns 24 and hand wheels III 25, a pair of hand wheels III 25 are symmetrically arranged on the outer wall of each supporting column 24, the top ends of the lifting screw rods 23 are connected with the fixed plate 14, the bottom ends of the lifting screw rods 23 are arranged in the supporting columns 24 and are in threaded fit connection with the supporting columns 24, the lifting screw rods 23 can be driven to rotate by rotating the hand wheels III 25, and the lifting screw rods 23 rotate and are in threaded fit transmission with the supporting columns 24 for spray head lifting adjustment.
Example 2:
the method for blowing the ceramic fiber blowing cotton of the present invention adopts the method for blowing the ceramic fiber blowing cotton by using the ceramic fiber blowing cotton blowing device in the embodiment 1, and one side of the blowing device is provided with a high-temperature molten liquid channel 26, and comprises the following steps:
(1) blowing into the blowing device: the fan 6 works, and the air is blown out in two ways by adjusting the air quantity through the air delivery pipeline 5 and the total air valve 7;
a path of air enters a high-pressure air regulating valve 8 through an air conveying pipeline 5, the air quantity is regulated by the high-pressure air regulating valve 8 to flow into a high-pressure air regulating pipe 3, the air enters an independent air pipe 4 of the spray head core 2 through the high-pressure air regulating pipe 3, and then the air is sprayed out from an outlet of the spray head core 2 along the independent air pipe 4;
the other air enters the main air pipe regulating valve 10 through the air conveying pipe 5, the air quantity is regulated by the main air pipe regulating valve 10 to flow into the nozzle sleeve 1, the air is ejected from the nozzle sleeve 1 along the nozzle sleeve 1, and the air ejected by the nozzle sleeve 1 is U-shaped air;
(2) ceramic fiber raw materials are prepared: the ceramic fiber raw material is melted to form a high Wen Rongzhi by releasing current through a molybdenum electrode to generate heat in the resistance melting furnace, and high-temperature molten juice flows out of a furnace bottom flow port through a high-temperature molten juice channel 26;
(3) angle and position adjustment of the spray head: the spray head angle adjusting plate 13 is adjusted to reach the required spray angle, and is locked and fixed by bolts, the hand wheel III 25 is rotated to lift the height of the spray head device, rotating the hand wheel I18 and the hand wheel II 22 to adjust the front-back and left-right displacement of the nozzle device, so that the air outlet of the nozzle device is aligned with the furnace bottom flow port;
(4) and (3) blowing operation: the high-pressure air sprayed from the spray head core 2 blows the high-temperature molten juice flow from vertical falling into horizontal forward movement, so that the high-temperature molten juice is elongated, cooled and formed into fibers; meanwhile, the molten juice which is formed into fibers or is not formed into fibers is stretched again and blown away by the wind sprayed from the nozzle sleeve 1, the fibers are blown to the cotton collecting opening under the action of high-pressure wind of the nozzle, meanwhile, an induced draft fan is arranged at the cotton collecting opening, and under the action of the induced draft fan, fibers formed by high-temperature molten juice rapidly enter the cotton collector box.
The present invention can be easily implemented by those skilled in the art through the above specific embodiments. It should be understood that the invention is not limited to the particular embodiments described above. Based on the disclosed embodiments, a person skilled in the art may combine different technical features at will, thereby realizing different technical schemes.
Other than the technical features described in the specification, all are known to those skilled in the art.
Claims (5)
1. The ceramic fiber blowing cotton blowing device comprises a spray head, a spray head air conveying pipeline and a fan, wherein the spray head is arranged at an air outlet of the spray head air conveying pipeline, the spray head air conveying pipeline is connected with the fan, and air blown by the fan is sprayed out through the spray head at the air outlet of the spray head air conveying pipeline; the device is characterized by comprising a spray head, an air conveying device and a spray head fixing frame; the spray head is connected with the air conveying device and is arranged on the spray head fixing frame;
the spray head comprises a spray head sleeve, a spray head core and a high-pressure air adjusting pipe, wherein the spray head core is arranged in the spray head sleeve and fixedly arranged on the upper wall of the inner cavity of the spray head sleeve in a screw connection manner; an independent air pipe is arranged at the center of the spray head core, and the high-pressure air adjusting pipe sequentially penetrates through the spray head sleeve and the outer wall of the spray head core and is communicated with the independent air pipe of the spray head core;
the air conveying device comprises a high-pressure air conveying device and a low-pressure air conveying device;
the high-pressure air conveying device comprises an air conveying pipeline, a fan, a total air valve, a high-pressure air regulating valve and a high-pressure air pressure gauge; one end of the high-pressure air regulating valve is connected with the high-pressure air regulating pipe through an air conveying pipeline, and the other end of the high-pressure air regulating valve is sequentially connected with the main air valve and the fan through the air conveying pipeline to form a closed circulation loop; a high-pressure air pressure gauge is arranged on an air transmission pipeline between the high-pressure air regulating pipe and the high-pressure air regulating valve;
the low-pressure air conveying device comprises an air conveying pipeline, a fan, a total air valve, a main air pipe regulating valve and a main air pipe pressure gauge; one end of the main air pipe adjusting valve is connected with the nozzle sleeve through an air conveying pipeline, and the other end of the main air pipe adjusting valve is sequentially connected with the main air valve and the fan through the air conveying pipeline to form a closed circulation loop; a main air pipe pressure gauge is arranged on the air conveying pipeline between the nozzle sleeve and the main air pipe regulating valve;
the axis of the nozzle sleeve is different from that of the nozzle core, and the outer diameter of the nozzle core is larger than the radius of the inner diameter of the nozzle sleeve; the pipe length of the nozzle sleeve is longer than that of the nozzle core;
the lower part of the spray head core is provided with a triangle-shaped or diamond-shaped notch along the direction of the spray head core pipe;
the spray head fixing frame comprises a fixing plate, a spray head angle adjusting device, a spray head front-back adjusting device, a spray head left-right adjusting device and a spray head lifting adjusting device; the spray head angle adjusting device, the fixed plate, the spray head front-back adjusting device and the spray head left-right adjusting device form a front-back and left-right moving vehicle;
the spray head angle adjusting device comprises a spray head fixing clamp and a spray head angle adjusting plate, a spray head sleeve is fixedly arranged on the spray head fixing clamp, the spray head fixing clamp is fixedly arranged on the spray head angle adjusting plate, the spray head angle adjusting plate is arranged on the fixing plate, and the spray head angle adjusting device is locked and fixed by adjusting the angle between the spray head angle adjusting plate and the fixing plate and using bolts and is used for adjusting the angle of the spray head;
the front-back adjusting device of the spray head comprises a front-back transmission screw rod, a front-back moving slide block, a slide way and a hand wheel I, wherein the hand wheel I is fixedly arranged on the front-back transmission screw rod, the front-back moving slide block is movably arranged on the slide way, a fixed plate is arranged on the front-back moving slide block and the front-back transmission screw rod, the front-back transmission screw rod is driven to rotate by rotating the hand wheel I, and the front-back transmission screw rod is driven to rotate to drive a fixed plate arranged on the front-back moving slide block to move along the slide way for front-back adjustment of the spray head;
the spray head left-right adjusting device comprises a left-right transmission screw rod, a left-right moving slide block, a slide way and a hand wheel II, wherein the hand wheel II is fixedly arranged on the left-right transmission screw rod, the left-right moving slide block is movably arranged on the slide way, the fixed plate is arranged on the left-right moving slide block and the left-right transmission screw rod, the left-right transmission screw rod is driven to rotate by rotating the hand wheel II, and the fixed plate arranged on the left-right moving slide block is driven to move along the slide way by rotating the hand wheel II for left-right adjustment of the spray head;
the spray head lifting adjusting device comprises a lifting screw, a support column and a plurality of hand wheels III, wherein the top end of the lifting screw is connected with the fixing plate, the bottom end of the lifting screw is arranged in the support column and is in threaded fit connection with the support column, the lifting screw can be driven to rotate by rotating the hand wheels III, and the lifting screw rotates to be in threaded fit transmission with the support column for lifting adjustment of the spray head.
2. The ceramic fiber blowing cotton blowing device according to claim 1, wherein the nozzle is made of stainless steel, and nozzle sleeves of the nozzle and nozzles of the nozzle core are of oblique-edge cross-section structures.
3. The ceramic fiber blowing cotton blowing device according to claim 1, wherein a pair of handwheels iii are symmetrically arranged on the outer wall of the support column.
4. A method for blowing ceramic fiber blowing cotton by using the ceramic fiber blowing cotton blowing device as set forth in any one of claims 1 to 3, wherein a high temperature melt channel is provided at one side of the blowing device, comprising the steps of:
(1) blowing in the direction blowing in the device: the fan works, and the air is blown out in two ways by adjusting the air quantity through the air delivery pipeline through the total air valve;
one path of air enters a high-pressure air regulating valve through an air conveying pipeline, the air quantity is regulated by the high-pressure air regulating valve to flow into a high-pressure air regulating pipe, the air enters an independent air pipe of a spray head core through the high-pressure air regulating pipe, and then the air is sprayed out from an outlet of the spray head core along the independent air pipe;
the other air enters the main air pipe regulating valve through the air conveying pipeline, the air quantity is regulated to flow into the nozzle sleeve through the main air pipe regulating valve, and the air is ejected from the nozzle sleeve outlet along the nozzle sleeve;
(2) ceramic fiber raw materials are prepared: the method comprises the steps of releasing current through a molybdenum electrode in a resistance melting furnace to generate heat, melting ceramic fiber raw materials to form a high Wen Rongzhi, and flowing high-temperature molten juice out of a furnace bottom flow port through a high-temperature molten juice channel;
(3) angle and position adjustment of the spray head: adjusting a spray head angle adjusting plate to achieve a required spray angle, locking and fixing the spray head angle adjusting plate by bolts, rotating a hand wheel III to lift the height of the spray head device, and rotating the hand wheel I and the hand wheel II to adjust the front-back and left-right displacement of the spray head device so that an air outlet of the spray head device is aligned with the furnace bottom flow port;
(4) and (3) blowing operation: high-pressure air ejected from the nozzle core blows the high-temperature molten juice flow from vertical falling into horizontal forward movement, so that the high-temperature molten juice is elongated, cooled and formed into fibers; meanwhile, the molten juice which is formed into fibers or is not formed into fibers is stretched again and blown away by wind sprayed out from the nozzle sleeve, the fibers are blown to the cotton collecting opening under the action of high-pressure wind of the nozzle, meanwhile, an induced draft fan is arranged at the cotton collecting opening, and under the action of the induced draft fan, the fibers formed by the high-temperature molten juice rapidly enter the cotton collector box.
5. The method for blowing ceramic fiber into cotton according to claim 4, wherein the air blown out from the nozzle sleeve is U-shaped air.
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| CN201811556368.0A CN109468710B (en) | 2018-12-19 | 2018-12-19 | Ceramic fiber cotton blowing device and method |
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| CN112481718B (en) * | 2020-11-25 | 2021-09-21 | 浙江炜烨晶体纤维有限公司 | Polycrystal mullite fiber filament throwing machine |
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