Preparation and application method of ceramic glass fiber dust removal pipe

Abstract

The preparation and application method of a ceramic glass fiber dust removal pipe is an industrial dust removal technology that overcomes the shortcomings of the above technologies. It includes a ceramic glass fiber dust removal pipe, a coating, a base, and a matching lifting rod and a coupling. The inner and outer walls of the ceramic glass fiber dust removal pipe are respectively provided with an inner wall coating and an outer wall coating; a base is fixed to the bottom end of the ceramic glass fiber dust removal pipe; the inner diameter of the ceramic glass fiber dust removal pipe is 80 to 160 mm, and its wall thickness is 10 to 30 mm; the outer diameter is 140 to 180 mm, and the length is 1000 mm. According to the space size of the dust removal device, the ceramic glass fiber dust removal pipe can be connected by multiple pieces, each of which is connected by a coupling and sealed and fixed by a sealant.

Description

Technical Field

[0001] The invention relates to an industrial dust removal technology, in particular to a preparation and application method of a ceramic glass fiber dust removal pipe. Background Art

[0002] The multiphase mixture involved in industrial dust removal is called gas-phase suspended aerosol. The fine particles dispersed in it are called dust particles or microparticles, and the accumulation state of dust particles is called powder. In order to correctly design and select dust removal equipment in engineering design, it is necessary to master the main physical and chemical properties of dust. The parameters used to describe the properties of dust are: particle size and dispersion, density and bulk density, cohesion, wettability, charge and conductivity, natural stacking angle, and explosiveness. The equipment used for separation of dust particles in daily industry mainly includes: gravity sedimentation dust collector, inertial dust collector, electrostatic dust collector, wet dust collector, filter dust collector, and cyclone dust collector. The first is a gravity dust collector, which is a device that allows dust in dust-containing gas to settle naturally by gravity to purify the gas. Its sedimentation rate is too small, only a few tens of centrifugal sedimentation rate. In practical applications, it has a simple structure, small resistance, but large volume, low dust removal efficiency, and long equipment maintenance cycle. The second is the inertial dust collector, which is a dust removal device that uses the inertial force of dust in motion to separate dust from dust-containing gas. This dust collector has a simple structure and low resistance, but low dust removal efficiency, and is generally used for primary dust removal. The third is the electrostatic precipitator, which is a dust removal device that separates dust particles from dust-containing gas when the dust-containing gas in the electrostatic precipitator is ionized by a high-voltage electric field, and the dust particles are charged and deposited on the electrodes under the action of the electric field force. It can effectively recover dust in the gas to purify the gas. Various electrostatic precipitators have achieved faster development than other dust collectors due to their advantages of high efficiency, low resistance, suitability for high temperatures and removal of fine dust, but the investment is large. The fourth is the wet dust collector, which makes the dust-containing gas contact with water or other liquids, and uses the inertial collision of water droplets and dust particles and other effects to separate dust particles from the airflow. The wet dust collector uses water as a medium, so it is suitable for dust-containing gases that are non-fibrous, can be cooled and do not react chemically with water, but is not suitable for removing sticky dust. The wet dust collector has the advantages of low investment, simple operation, small footprint, and can simultaneously purify harmful gases, cool and humidify dust-containing gases. It is particularly suitable for purifying gases with high temperature and high humidity and explosive hazards, but the use of water as a purifier will cause secondary pollution. The fifth is the bag dust collector, which mainly relies on woven or felt filter cloth as a filter material to achieve the purpose of separating dust from dust-containing gases. The dust is captured and separated due to the screening, inertia, adhesion, diffusion and electrostatic effects generated when the dust passes through the filter cloth. The bag dust collector has strong adaptability, is not affected by the resistivity of dust, and does not have water pollution problems. Under the condition of selecting appropriate filter aids, it can remove solid and gas phase pollutants in the gas at the same time. However, it has the disadvantages of low filtration speed, large pressure drop, large footprint, and troublesome bag replacement. Summary of the invention

[0003] The purpose of the present invention is to provide a simple structure and long service life

[0004] The invention discloses a preparation and application method of a ceramic glass fiber dust removal pipe, which overcomes the disadvantages of the above technologies. The purpose of the invention is achieved in that it comprises a ceramic glass fiber dust removal pipe, a coating, a base, and a supporting lifting rod and a coupling. The inner and outer walls of the ceramic glass fiber dust removal pipe are provided with an inner wall coating and an outer wall coating respectively; a base is fixed to the bottom end of the ceramic glass fiber dust removal pipe; the inner diameter of the ceramic glass fiber dust removal pipe is 80 to 160 mm, and the wall thickness is 10 to 30 mm; the outer diameter is 140 to 180 mm, and the length is 1000 mm. According to the space size of the dust removal device, the ceramic glass fiber dust removal pipe can be connected by multiple pipes, each of which is connected by a coupling and sealed and fixed by a sealant.

[0005] The ceramic glass fiber dust removal pipe is made of 25-35% ceramic fiber, 23-27% glass fiber, 38-42% aluminum silicate fiber, 2-3% starch, and 2-3% resin glue. The preparation method is as follows: the first step is to configure the above raw materials in proportion and put them into a material pool, then add water according to 150% of the total amount of the raw materials, stir them fully, and mix all the raw materials fully; the second step is to fill the mold, determine the mold according to the required length and inner and outer diameters, and after the mold is determined, fill the mold with the configured raw materials, and demold after forming; the third step is heating and drying, using electricity to heat for 80 to 100 hours, and the temperature is controlled at 90 to 120 degrees, at which time the semi-finished product will be completely dry; the fourth step is shaping, putting the dried semi-finished pipe on a lathe to shape it, and controlling and correcting it according to the standard of 1.5 square meters per pipe, an inner diameter of 80 to 160 mm, and an outer diameter of 140 to 180 mm.

[0006] The invention is made of 30% ceramic fiber, 25% glass fiber, 40% aluminum silicate fiber, 2% starch and 3% resin glue. The preparation method is as follows: the first step is to configure the above raw materials in proportion and put them into a material pool, then add water according to 150% of the total amount of the raw materials, stir them fully, and mix all the raw materials fully; the second step is to fill the mold, determine the mold according to the required length and inner and outer diameters, and after the mold is determined, fill the mold with the configured raw materials, and demold after forming; the third step is heating and drying, using electricity to heat for 80 to 100 hours, and the temperature is controlled at 90 to 120 degrees, and the semi-finished product will be completely dry at this time; the fourth step is shaping, putting the dried semi-finished pipe on a lathe to shape it, and controlling and correcting it according to the standard of 1.5 square meters per pipe, an inner diameter of 120 mm and an outer diameter of 160 mm.

[0007] The coating film preparation method comprises the following steps: passing silicon carbide powder through a 240 to 280 mesh sieve, and then fully mixing 40% of the sieved silicon carbide powder, 40% of resin, and 20% of a diluent for standby use; spraying the prepared coating raw material on the inner and outer walls of the forming tube by a high-pressure spraying method, and spraying the coating evenly; and then drying the tube by electric drying, with the temperature controlled at 80 degrees, and drying the tube for 24 hours.

[0008] The base for installing the ceramic glass fiber dust removal pipe includes an outer wall, an inner wall, and a lifting hook. The outer wall and the inner wall are an integrated structure. The middle of the outer wall and the inner wall is a pipe groove. The bottom edge of the ceramic glass fiber dust removal pipe is located in the pipe groove. The diameter of the pipe groove is adapted to the size of the ceramic glass fiber dust removal pipe. There is a partition in the inner wall, and two lifting hooks are fixed on the partition, and the opening directions of the two lifting hooks are opposite. A cross groove is arranged on the bottom surface of the base, and the cross groove can be inlaid on the cross pipe frame.

[0009] There is a through hole in the middle of the coupling, and the diameter of the through hole is adapted to the caliber of the ceramic glass fiber dust removal pipe; the coupling comprises a coupling outer wall and a coupling inner wall, and a coupling pipe groove is in the middle of the coupling outer wall and the coupling inner wall, and a partition is provided at the middle end of the coupling pipe groove, which divides the coupling pipe groove into an upper groove and a lower groove, a ceramic glass fiber dust removal pipe 1 is sleeved in the upper groove of the coupling pipe groove, and another ceramic glass fiber dust removal pipe is sleeved in the lower groove of the coupling pipe groove; thus, the ceramic glass fiber dust removal pipes are sleeved one by one according to the construction space.

[0010] The lifting rod used in conjunction with the ceramic glass fiber dust removal pipe includes a longitudinal tube, a cross bar, a connecting hoop, and a handle. The longitudinal tubes are connected and fixed in the middle by connecting hoops. The top of the longitudinal tube is fixed with a handle, and the bottom of the longitudinal tube is fixed with a cross bar, and the length of the cross bar is adapted to the spacing between the two lifting hooks in the base.

[0011] The application method of the present invention is that the present invention can be widely applied to industrial enterprises that use coal and gas as fuel; during construction, the tube can be directly installed in the dust removal device; it can also be applied to the transformation of old enterprises, and can replace the gravity sedimentation dust collectors, inertial dust collectors, electric dust collectors, wet dust collectors, filter dust collectors, and cyclone dust collectors that were originally used. According to the size of the dust removal device, a single tube can be installed, or each single tube can be sleeved together to meet the dust removal needs; if there is any damage during the application process, use a matching lifting rod, people hold the handle at the top, and screw the cross bar at the bottom end of the lifting rod into the lifting hook of the base of the ceramic glass fiber dust removal pipe, and use force to lift the ceramic glass fiber dust removal pipe and replace it with a new pipe.

[0012] The application principle of the present invention is to install the ceramic glass fiber dust removal tube 1 in the dust removal device, and the fan draws air to form a negative pressure in the ceramic glass fiber dust removal tube. The air with dust outside the tube is blocked by the tube wall, and the dust is blocked outside the tube wall. The air entering the tube is filtered air, and the filtered air can be discharged when it meets the standards.

[0013] Some parameters of the present invention when applied are that the present invention is acid-resistant, alkali-resistant, wear-resistant and high-temperature-resistant; the present technology has comprehensive dust removal; the emission accuracy reaches 0.01u; the air permeability is 300~1000m3 / m 2.h; high temperature resistance up to 600 degrees; service life up to 8-10 years; flue gas dust emission can reach less than 2mg / m3, can desulfurize, denitrify and various acidic substances to reduce the harm of haze; ceramic glass fiber dust removal pipe filtration speed of 0.5 to 4m / min, its dust content is less than 2mg / m3: According to the test results of the test report, the average measured concentration of the inlet of this device is 2390mg / m 3 The average emission is 5.71kg / h; the average measured concentration at the dust collector outlet is 10.0 mg / m 3 The average emission is 0.06305.71kg / h.

[0014] The silicon carbide films on the inner and outer walls of the ceramic glass fiber tube of the present invention have water-increasing properties, and the water-impermeable filter material has a low water absorption rate. The formula of the silicon carbide film can also be continuously improved according to the smoke composition to meet the requirements of the filter material's resistance to chemical corrosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of a ceramic glass fiber dust removal tube, wherein 1 is a ceramic glass fiber dust removal tube, 2 is an inner wall coating, 3 is an outer wall coating.

[0016] Figure 2 It is a cross-sectional view of a ceramic glass fiber dust removal tube, wherein 1 is a ceramic glass fiber dust removal tube, 2 is an inner wall coating, 3 is an outer wall coating.

[0017] Figure 3 It is a schematic diagram of the base structure of a ceramic glass fiber dust removal pipe, including 4, outer wall 5, inner wall 6, lifting hook 7, and pipe groove.

[0018] Figure 4 It is a cross-sectional view of the base of the ceramic glass fiber dust removal pipe, wherein 4, outer wall 5, inner wall 6, lifting hook 7, and pipe groove.

[0019] Figure 5 It is a schematic diagram of the structure of the lifting rod of the ceramic glass fiber dust removal pipe, including 8, longitudinal pipe 9, cross bar 10, connecting hoop 11 and handle.

[0020] Figure 6 It is a cross-sectional view of the base of the ceramic glass fiber dust removal pipe, with 4 and 12 cross grooves on the outer wall.

[0021] Figure 7 It is a schematic diagram of the structure of the coupling, wherein 13, the outer wall of the coupling, 14, and the inner wall of the coupling. DETAILED DESCRIPTION

[0022] Embodiment 1. The present invention comprises a ceramic glass fiber dust removal pipe 1, a coating, a base, and a matching lifting rod and a coupling 17. The inner and outer walls of the ceramic glass fiber dust removal pipe 1 are respectively provided with an inner wall coating 2 and an outer wall coating 3; a base is fixed to the bottom end of the ceramic glass fiber dust removal pipe 1; the inner diameter of the ceramic glass fiber dust removal pipe 1 is 80 to 160 mm, and the wall thickness is 10 to 30 mm; the outer diameter is 140 to 180 mm, and the length is 1000 mm. According to the space size of the dust removal device, the ceramic glass fiber dust removal pipe 1 can be connected by multiple pieces, each of which is connected by a coupling 17 and sealed and fixed by a sealant.

[0023] Embodiment 2, the ceramic glass fiber dust removal pipe 1 is made of 25-35% ceramic fiber, 23-27% glass fiber, 38-42% aluminum silicate fiber, 2-3% starch, and 2-3% resin glue. The preparation method is as follows: the first step is to configure the above raw materials in proportion and put them into the material pool, and then add water according to 150% of the total amount of raw materials, stir them fully, and mix all kinds of raw materials fully; the second step is to fill the mold, determine the mold according to the required length, inner and outer diameters, and after the mold is determined, fill the mold with the configured raw materials, and demold after forming; the third step is heating and drying, using electricity to heat for 80 to 100 hours, and the temperature is controlled at 90 to 120 degrees. At this time, the semi-finished product will be dry; the fourth step is shaping, the dried semi-finished pipe is put on the lathe for shaping, and the standard control correction is carried out according to each 1.5 square meters, the inner diameter is 80 to 160 mm, and the outer diameter is 140 to 180 mm.

[0024] Embodiment 3, the present invention is made of 30% ceramic fiber, 25% glass fiber, 40% aluminum silicate fiber, 2% starch and 3% resin glue. The preparation method is as follows: the first step is to configure the above raw materials in proportion and put them into the material pool, then add water according to 150% of the total amount of raw materials, stir them fully, and mix all kinds of raw materials fully; the second step is to fill the mold, determine the mold according to the required length, inner and outer diameters, and after the mold is determined, fill the mold with the configured raw materials, and demold after forming; the third step is heating and drying, using electricity to heat for 80 to 100 hours, and the temperature is controlled at 90 to 120 degrees, at which time the semi-finished product will be completely dry; the fourth step is shaping, putting the dried semi-finished pipe on the lathe for shaping, and controlling and correcting it according to the standard of 1.5 square meters per pipe, inner diameter 120mm and outer diameter 160mm.

[0025] Embodiment 4, the preparation method of the coating film, after silicon carbide powder is passed through a 240 to 280 mesh sieve, 40% silicon carbide powder, 40% resin, and 20% diluent are fully mixed and set aside; the prepared coating raw material is sprayed on the inner and outer walls of the forming tube by high-pressure spraying, and the spraying can be evenly performed; then it is dried electrically, the temperature is controlled at 80 degrees, and the drying is completed for 24 hours.

[0026] Embodiment 5: The base for installing the ceramic glass fiber dust removal tube 1 comprises an outer wall 4, an inner wall 5, and a lifting hook 6. The outer wall 4 and the inner wall 5 are an integral structure. The middle of the outer wall 4 and the inner wall 5 is a tube groove 7. The bottom edge of the ceramic glass fiber dust removal tube 1 is located in the tube groove 7. The diameter of the tube groove 7 is adapted to the size of the ceramic glass fiber dust removal tube 1. There is a partition in the inner wall 5, on which two lifting hooks 6 are fixed, and the opening directions of the two lifting hooks 6 are opposite. A cross groove 8 is provided on the bottom surface of the base, and the cross groove 8 can be embedded in the cross tube frame.

[0027] Embodiment 6: The coupling 17 has a through hole 16 in the middle, and the diameter of the through hole 16 is adapted to the caliber of the ceramic glass fiber dust removal pipe 1; the coupling 17 comprises a coupling outer wall 13 and a coupling inner wall 14, and a coupling pipe groove 15 is provided in the middle of the coupling outer wall 13 and the coupling inner wall 14, and a partition is provided in the middle end of the coupling pipe groove 15, which divides the coupling pipe groove 15 into an upper groove and a lower groove, and one ceramic glass fiber dust removal pipe 1 is sleeved in the upper groove of the coupling pipe groove 15, and another ceramic glass fiber dust removal pipe 1 is sleeved in the lower groove of the coupling pipe groove 15; thus, the ceramic glass fiber dust removal pipes 1 are sleeved one by one according to the construction space.

[0028] Embodiment 7: The lifting rod used in conjunction with the ceramic glass fiber dust removal pipe 1 includes a longitudinal tube 9, a cross bar 10, a connecting hoop 11, and a handle 12. The longitudinal tubes 9 are multiple and connected and fixed in the middle by the connecting hoop 11; the handle 12 is fixed to the top end of the longitudinal tube 9, and the cross bar 10 is fixed to the bottom end of the longitudinal tube 9. The length of the cross bar 10 is adapted to the spacing between the two lifting hooks 6 in the base.

[0029] Embodiment 8, the application method of the present invention is that the present invention can be widely used in industrial enterprises that use coal and gas as fuel; during construction, the tube can be directly installed in the dust removal device; it can also be used for the transformation of old enterprises, and can replace the gravity sedimentation dust collectors, inertial dust collectors, electrostatic dust collectors, wet dust collectors, filter dust collectors, and cyclone dust collectors that were originally used. According to the size of the dust removal device, a single tube can be installed, or each single tube can be connected together to meet the dust removal needs; if it is damaged during the application process, use a matching lifting rod, hold the handle at the top, screw the cross bar at the bottom of the lifting rod into the lifting hook of the base of the ceramic glass fiber dust removal pipe, and use force to lift the ceramic glass fiber dust removal pipe and replace it with a new pipe.

[0030] The application principle of the present invention is to install the ceramic glass fiber dust removal pipe 1 in the dust removal device, and the fan draws air, so that the ceramic glass fiber dust removal pipe 1 forms a negative pressure. The air with dust outside the pipe is blocked by the pipe wall, and the dust is blocked outside the pipe wall. The air entering the pipe is filtered air, and the filtered air can be discharged when it meets the standards.

[0031] Example 9: Some parameters of the present invention when applied are: the present invention is acid-resistant, alkali-resistant, wear-resistant and high-temperature-resistant; the present technology has comprehensive dust removal; the emission accuracy reaches 0.01u; the air permeability is 300~1000m3 / m 2 .h; high temperature resistance up to 600 degrees; service life up to 8-10 years; flue gas dust emission can reach less than 2mg / m3, can desulfurize, denitrify and various acidic substances to reduce the harm of haze; ceramic glass fiber dust removal pipe filtration speed of 0.5 to 4m / min, its dust content is less than 2mg / m3: According to the test results of the test report, the average measured concentration of the inlet of this device is 2390mg / m 3 The average emission is 5.71kg / h; the average measured concentration at the dust collector outlet is 10.0 mg / m 3 The average emission is 0.06305.71kg / h.

Claims

1. A ceramic glass fiber dust removal pipe, comprising a ceramic glass fiber dust removal pipe (1), a coating, a base, and a supporting lifting rod and a coupling (17), wherein: The inner and outer walls of the ceramic glass fiber dust removal pipe (1) are provided with an inner wall coating (2) and an outer wall coating (3) respectively; a base is fixed to the bottom end of the ceramic glass fiber dust removal pipe (1); the inner diameter of the ceramic glass fiber dust removal pipe (1) is 80 to 160 mm, and the wall thickness is 10 to 30 mm; the outer diameter is 140 to 180 mm, and the length is 1000 mm. According to the space size of the dust removal device, the ceramic glass fiber dust removal pipe (1) can be connected by multiple pipes, each of which is connected by a coupling (17) and sealed and fixed by a sealant; the base on which the ceramic glass fiber dust removal pipe (1) is installed includes an outer wall (4), an inner wall (5), and a lifting hook (6); the outer wall (4) and the inner wall (5) are an integral structure, and the middle of the outer wall (4) and the inner wall (5) is a pipe groove (7). The ceramic glass fiber dust removal pipe The bottom edge of the (1) is located in the pipe groove (7), and the diameter of the pipe groove (7) is adapted to the size of the ceramic glass fiber dust removal pipe (1); a partition is provided in the inner wall (5), and two extraction hooks (6) are fixed on the partition, and the opening directions of the two extraction hooks (6) are opposite; a cross groove (8) is provided on the bottom surface of the base, and the base is mounted on the cross pipe frame by the cross groove (8); the extraction rod used in conjunction with the ceramic glass fiber dust removal pipe (1) comprises a longitudinal tube (9), a cross bar (10), a connecting hoop (11), and a handle (12), wherein a plurality of longitudinal tubes (9) are connected and fixed in the middle by the connecting hoop (11); a handle (12) is fixed at the top end of the longitudinal tube (9), and a cross bar (10) is fixed at the bottom end of the longitudinal tube (9), and the length of the cross bar (10) is adapted to the spacing between the two extraction hooks (6) in the base.

2. The ceramic glass fiber dust removal tube according to claim 1 is characterized in that: The coupling (17) has a through hole (16) in the middle, and the diameter of the through hole (16) is adapted to the caliber of the ceramic glass fiber dust removal pipe (1); the coupling (17) comprises a coupling outer wall (13) and a coupling inner wall (14); a coupling pipe groove (15) is provided in the middle of the coupling outer wall (13) and the coupling inner wall (14); a partition is provided at the middle end of the coupling pipe groove (15); the partition divides the coupling pipe groove (15) into an upper groove and a lower groove; one ceramic glass fiber dust removal pipe (1) is sleeved in the upper groove of the coupling pipe groove (15), and another ceramic glass fiber dust removal pipe (1) is sleeved in the lower groove of the coupling pipe groove (15); the ceramic glass fiber dust removal pipes (1) are sleeved one by one according to the construction space.

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