CN110270184B - Cyclone negative pressure type dust removing dehumidifier with rotating shaft - Google Patents
Cyclone negative pressure type dust removing dehumidifier with rotating shaft Download PDFInfo
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- CN110270184B CN110270184B CN201810216246.0A CN201810216246A CN110270184B CN 110270184 B CN110270184 B CN 110270184B CN 201810216246 A CN201810216246 A CN 201810216246A CN 110270184 B CN110270184 B CN 110270184B
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- inlet pipe
- barrel
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- 239000000428 dust Substances 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 261
- 238000007789 sealing Methods 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 32
- 238000003466 welding Methods 0.000 claims description 29
- 239000007921 spray Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 abstract description 68
- 239000002912 waste gas Substances 0.000 abstract description 8
- 238000005507 spraying Methods 0.000 abstract description 4
- 238000010992 reflux Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 8
- 238000007791 dehumidification Methods 0.000 description 7
- 238000005065 mining Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cyclones (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The cyclone negative pressure type dust and moisture remover with the rotating shaft is used for spraying dust and moisture in waste gas discharged by factories and mines, a gas splitter plate is arranged at the outlet of an air inlet pipe for splitting and separating, one half of the gas flows into a cylindrical cylinder to generate cyclone and reflux gas, the other half of the gas contacts with the rotating shaft and rotating shaft blades arranged on the outer diameter of an exhaust pipe, the rotating shaft is driven by the flow speed, the pressure and the thrust of the gas to rotate, the gas is converged and accelerated, and the cyclone and reflux gas generated by the rotation of the cylinder can form centrifugal force and negative pressure areas; the moisture and the moisture which adsorb dust under the action of centrifugal force are pushed into the negative pressure area, so that water drops are formed after the moisture collides with the moisture, the water drops can be settled by the self weight and flow downwards into the water storage tank along the negative pressure area of the inner wall of the cylinder, and the water drops can be discharged outwards after the connecting pipeline of the drain ball valve is opened; the gas which is dedusted and dehumidified by the rotating shaft and the negative pressure is discharged upwards and outwards along the exhaust pipe under the action of centrifugal force.
Description
Technical Field
The invention relates to the field of environmental protection of atmosphere purification, in particular to a device for separating and purifying dust and wet waste gas discharged by factories and mining enterprises.
Background
Dust and wet gas discharged by factories and mining enterprises pollute the atmosphere through a chimney, and at present, a lot of equipment for purifying the gas exist, but the treatment equipment and the process effect are poor for treating the dust and wet gas particle sizes below PM 5.0; the national standard of exhaust gas emission has been newly regulated, and the haze removal weather not only needs to be innovated on technology and equipment, but also needs to develop a new process to meet the national new emission standard. The method uses the spraying method to implement dust removal, and forms centrifugal force and negative pressure by the flow rate and pressure of gas, so as to realize the separation of dust removal and gas and water, further improve the dust removal and dehumidification effects, and reduce the pollution of waste gas to the atmosphere.
Disclosure of Invention
The present invention solves the above-mentioned technical problems by a series of technical features.
The cyclone negative pressure type dust removal dehumidifier with the rotating shaft is characterized in that: comprises an air inlet pipe, an air outlet pipe, a cylindrical barrel, a conical barrel and a water storage tank; the upper and lower parts of the cylindrical barrel and the conical barrel are respectively provided with a flange, and the lower flange of the cylindrical barrel is connected with the upper flange of the conical barrel by a fastener; an air inlet pipe and an air outlet pipe are arranged on the cylindrical barrel, the air inlet pipe is connected with the cylindrical barrel and is tangential to and intersected with the cylindrical barrel, the cylindrical barrel is fixed by a welding method, and an air splitter plate is arranged at the outlet of the air inlet pipe; the rotary shaft is arranged at the outer diameter position of the straight pipe of the exhaust pipe in the cylindrical barrel; 12L-shaped guide plates are arranged on the inner wall of the cylindrical barrel and the inner side of the gas rotation axis; a drain pipe with a flange is arranged at the lower part of the conical cylinder body; the water storage tank is provided with a water tank cylinder, a water tank conical cylinder, a water tank water inlet pipe and a water tank water outlet pipe, the water tank water inlet pipe is inserted into the water tank cylinder sealing cover plate and is fixed by a welding method; the upper part of the water tank barrel is provided with a water tank barrel sealing cover plate, the lower part of the water tank barrel is provided with a water tank conical barrel and a water tank drain pipe, and the water tank conical barrel and the water tank drain pipe are fixed by a welding method; the drain pipe at the lower part of the conical barrel body is connected with the water inlet pipe of the water tank; a semicircular anti-suction baffle is arranged in the water tank barrel of the water tank, and a water tank drain pipe connected with a drain ball valve is arranged at the lower part of the water tank conical barrel;
the cyclone negative pressure type dust removal dehumidifier with the rotating shaft is characterized in that: on the cross section of the cylinder body where the horizontal center line of the air inlet pipe is positioned, one side, close to the air inlet pipe, of the horizontal center line of the air inlet pipe, which is intersected with the vertical center line of the cylindrical cylinder body, the inner wall of the cylindrical cylinder body is provided with a starting point L-shaped guide plate, the tail ends of the long-side L-shaped guide plates are intersected with the vertical center line of the cylindrical cylinder body, the tail ends of the short-side L-shaped guide plates are stuck to the inner wall of the cylindrical cylinder body as the starting point, the interval between the 12L-shaped guide plates is set to be 28.5 DEG, the end point L-shaped guide plates arranged at the outlet of the air inlet pipe is lower than the outer diameter of the air inlet pipe, and the interval between the end point L-shaped guide plates and the first contact starting point L-shaped guide plates of inflow air is set to be 46.5 DEG, and the end point L-shaped guide plates are fixed on the inner wall of the cylindrical cylinder body by a welding method;
the cyclone negative pressure type dust removal dehumidifier with the rotating shaft is characterized in that: the rotating shaft is provided with an assembly formed by integrating a hollow pipe and rotating shaft blades; the inner side of the hollow tube is arranged at the outer diameter position of the exhaust pipe straight tube in the cylindrical barrel; the rotating shaft is provided with 4 rotating shaft blades with equal intervals, the thickness of the rotating shaft blades is set within 4.5mm, the width of the rotating shaft blades is set to be 100mm, the rotating shaft blades are rotated and extended to 75 degrees in a spiral mode along the vertical central line direction of the rotating shaft horizontal central line, the rotating shaft blades are rotated and extended to 75 degrees in a spiral mode along the horizontal central line direction of the rotating shaft vertical central line direction, the inner sides of the rotating shaft blades are combined with the outer diameter of the hollow tube, and the rotating shaft is fixedly combined by a welding method.
The cyclone negative pressure type dust removal dehumidifier with the rotating shaft is characterized in that: the upper part of the cylindrical barrel is provided with an independent cylindrical barrel cover plate, an exhaust pipe and an exhaust sealing baffle plate, a sealing gasket x is arranged between the cylindrical barrel cover plate and the exhaust sealing baffle plate, and a process hole larger than the outer diameter of the rotating shaft is arranged on the cylindrical barrel cover plate; a sealing gasket y is also arranged among the upper flange of the cylindrical barrel, the lower flange of the cylindrical barrel and the upper flange of the conical barrel; the lower side of the flange at the upper part of the cylindrical barrel and the outer side part of the cylindrical barrel are provided with 2 hoisting rings with symmetrical angles, the aperture of each hoisting ring is 33mm, and the hoisting rings are used for installing and implementing hoisting tools; the horizontal position of the air inlet pipe is provided with 1 spray connector for externally connecting a spray pipe; the upper part of the conical cylinder is provided with 4 symmetrical support bases a for installing a cyclone negative pressure type dust removing dehumidifier with a rotating shaft, and the support bases a are respectively provided with 2 round holes with the same distance of 27mm for erecting the support bases a on a stand of a steel structure and can be fixed by fasteners; the lower part of the conical cylinder body is provided with a drain pipe with a flange, and the caliber of the drain pipe is set to be 2/3 of the outer diameter of the air inlet pipe; the outer diameter of the cylindrical barrel is 4.5 times of the outer diameter of the air inlet pipe, the height of the cylindrical barrel is 4 times of the outer diameter of the air inlet pipe, the length of the air outlet pipe is 4 times of the outer diameter of the air outlet pipe, the height of the conical barrel is 7 times of the outer diameter of the air inlet pipe, and the cone angle of the conical barrel is set to be 30 0 The drain pipe is connected to the lower part of the conical cylinder and fixed by welding.
The cyclone negative pressure type dust removal dehumidifier with the rotating shaft is characterized in that: the distance between the lower end surface of the L-shaped guide plate and the lower flange surface of the cylindrical barrel is within 100 mm.
The cyclone negative pressure type dust removal dehumidifier with the rotating shaft is characterized in that: the unilateral gap between the inner side of the hollow pipe and the outer diameter of the exhaust pipe straight pipe is within 3mm, and the wall thickness of the hollow pipe is within 4.5 mm; the height of the rotating shaft is set to be 2 times of the caliber of the air inlet pipe, the upper part of the rotating shaft is provided with a rotating shaft upper check ring, the top end of the rotating shaft and the lower end face of the rotating shaft upper check ring are provided with a gap distance of 2mm, the lower part of the rotating shaft is provided with a rotating shaft lower check ring, the rotating shaft is placed on the rotating shaft lower check ring, the heights of the rotating shaft upper check ring and the rotating shaft lower check ring are set within 50mm, the unilateral thicknesses of the rotating shaft upper check ring and the rotating shaft lower check ring are set within 15mm, the rotating shaft upper check ring and the rotating shaft lower check ring are respectively provided with 4 screw holes with equal angles, and the aperture of the opening is set above 18 mm; the distance between the outer diameter of the rotating shaft blade and the gas rotating axis is more than 1 time of the outer diameter of the air inlet pipe.
The cyclone negative pressure type dust removal dehumidifier with the rotating shaft is characterized in that: the caliber of the exhaust pipe is the same as that of the air inlet pipe, the length of the exhaust pipe is more than 4 times of the caliber of the exhaust pipe, and the length of the straight pipe of the exhaust pipe arranged in the cylindrical cylinder body is more than 3 times of the caliber of the exhaust pipe; 4 screw holes with equal angles are respectively arranged at the upper and lower positions of the exhaust pipe straight pipe in the cylindrical barrel body, the aperture of the screw holes is M16mm, and the screw holes are used for fixing the upper check ring of the rotating shaft and the lower check ring of the rotating shaft on the rotating shaft; the top of the exhaust pipe is provided with a flange and an exhaust sealing baffle, and the distance between the end face of the flange at the top of the exhaust pipe and the end face of the cylindrical barrel extending out of the straight pipe of the exhaust pipe and the cylindrical barrel flange is set to be more than 200 mm.
The cyclone negative pressure type dust removal dehumidifier with the rotating shaft is characterized in that: the water storage tank is provided with a water tank water inlet pipe which is inserted into the water tank cylinder sealing cover plate and fixed by a welding method, the water tank cylinder sealing cover plate is arranged at the upper part of the water tank cylinder, and the water tank conical cylinder and the water tank drain pipe are arranged at the lower part of the water tank cylinder; the cone angle of the cone of the water tank is set to be 50 0 The method comprises the steps of carrying out a first treatment on the surface of the The inlet of the water inlet pipe of the water tank and the outlet of the water outlet pipe of the water tank are provided with flanges for connection, and the flanges, the water tank cylinder, the water inlet pipe of the water tank and the water outlet pipe of the water tank are all fixed by a welding method; the lower part of the water tank cylinder body and the upper part of the water tank conical cylinder body, the lower part of the conical cylinder body and the upper part of the water tank drain pipe straight pipe are also fixed in a welding mode; a water tank seal is arranged between the water tank cylinder seal cover plates at the upper part of the water tank cylinder flangeThe gasket is fixedly connected by adopting a fastener; the depth of the outer plane of the straight pipe part of the water tank inlet pipe inserted into the sealing cover plate of the water tank cylinder body is 1/3 of the outer diameter of the water tank inlet pipe, and the height of the flange surface of the water tank inlet pipe and the outer plane of the sealing cover plate of the water tank cylinder body is more than 150 mm; the distance between the center of the water inlet pipe of the water tank and the center of the sealing cover plate of the water tank cylinder is set to be the same as the outer diameter of the water inlet pipe of the water tank; a semicircular anti-suction baffle is arranged in the water tank barrel, the distance between the anti-suction baffle and the water tank water inlet pipe is set to be 1/2 of the caliber of the water tank water inlet pipe, a triangular support plate is arranged at the lower part of the anti-suction baffle, and the anti-suction baffle is fixed on the inner wall surface of the water tank barrel by a welding method; the lower part of the water tank conical barrel is provided with a water tank drain pipe connected with a drain ball valve, the outer circle of the water tank barrel is provided with 4 support bases b with equal angles, and the support bases b are respectively provided with an aperture of more than 18mm for being placed on a stand of a steel structure to form a water tank.
The cyclone negative pressure type dust removal dehumidifier with the rotating shaft is characterized in that: when the waste gas containing dust and moisture is sent by a fan and a pipeline system, the waste gas flows in through an air inlet pipe and is split and separated by a gas splitter plate arranged at the outlet of the air inlet pipe, and half of the gas rotates along the outer side of an L-shaped guide plate welded on a cylindrical barrel, namely the inner side of a gas rotation axis to generate rotary airflow; the other half of the gas is contacted with the rotating shaft blades on the rotating shaft, and the hollow pipe on the rotating shaft and the rotating shaft blades rotate around the axis of the exhaust pipe by utilizing the pressure and the thrust of the gas flow, so that the rotation and the backflow of the gas are accelerated; after the split gas is converged in the conical cylinder, the rotating speed of the gas is accelerated to be more than 1 time of the inlet flow speed, and the centrifugal force of the rotating gas is increased by 1 time; after the gas containing dust and moisture enters into an effective space which is divided into 12L-shaped guide plates according to a certain angle in a cylindrical cylinder, centrifugal force is generated under the thrust and pressure of the rotary airflow and the rotating shaft at the inlet flow velocity, so that 12 negative pressure areas are formed; the sprayed dust gas increases the grain size of moisture molecules under the adsorption action of water molecules, is pushed into a negative pressure area by centrifugal force to be accumulated, gradually forms water drops after the moisture collides with the moisture, and is settled after the dead weight of the water drops in the negative pressure area is increased, flows downwards into a water tank water inlet pipe and a water storage tank along the negative pressure area in the cylindrical barrel and the inner wall of the conical barrel and a water drain pipe to be stored, and is opened to be connected with an external water drain pipeline through a water tank water drain pipe to be discharged outwards; the gas in the cylindrical barrel body is collected after flowing downwards along the conical barrel body by the accelerated gas rotation under the action of centrifugal force, the gas at the bottom of the conical barrel body flows upwards to the exhaust pipe and is discharged outwards, and in order to avoid taking away a part of water drops when the gas flows upwards, an anti-sucking baffle is arranged in the water storage tank and has the function of preventing the possibility that the water drops flowing downwards to the water storage tank are sucked upwards again when the gas flows upwards, so that the purposes and effects of dust removal and dehumidification are achieved.
The device of the invention has simple, compact and reasonable structure and the working principle is as follows: the cyclone negative pressure type dust removing dehumidifier with a rotating shaft is characterized in that a spraying method for dust and moisture contained in waste gas discharged by factories and mining enterprises is utilized, the principle that moisture adsorbs dust and the particle size of moisture molecules is increased is utilized, gas is split and separated through a gas guide plate of an air inlet pipe, flows into a cylindrical cylinder body to be contacted with an L-shaped guide plate, and the rotating shaft is accelerated to rotate under the actions of the flow rate, the pressure and reasoning of the gas, so that the cyclone and the backflow gas are generated to form centrifugal force and 12 negative pressure areas; the water and the moisture which absorb dust are pushed into the negative pressure area by the action of centrifugal force, so that water drops are formed after the water and the moisture collide in the negative pressure area, the water drops automatically subside by self weight and flow downwards into the water tank water inlet pipe and the water storage tank along the negative pressure area on the inner wall of the cylinder body, the inner wall of the cone cylinder body and the water draining pipe for storage, and then the water draining pipe of the water tank is opened to be connected with an external water draining pipe to be discharged outwards; the air accelerated by the rotating shaft and dehumidified by negative pressure is discharged outwards upwards along the exhaust pipe under the action of centrifugal force, so that the purposes and effects of dust removal and dehumidification are achieved.
Drawings
FIG. 1 is an overall view of an implementation of the apparatus of the present invention;
FIG. 2 is view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is a cross-sectional view C-C of FIG. 2;
FIG. 5 is a sectional view D-D of FIG. 1;
description of the drawings
1-cyclone negative pressure type dust removal dehumidifier, 2-air inlet pipe, 3-cylinder type cylinder, 4-cone type cylinder, 5-exhaust pipe, 6-exhaust sealing baffle, 6 a-exhaust sealing gasket x, 7-cylinder sealing cover plate, 7 a-sealing gasket y, 8-lifting ring, 9-spray joint, 10-drain pipe, 11-support base a, 12-gas splitter plate, 13-rotation shaft, 13 a-hollow shaft, 13 b-rotation shaft blade, 14-rotation shaft upper retainer ring, 15-rotation shaft lower retainer ring, 16-L type baffle, 16 a-start point L type baffle, 16 b-end point L type baffle, 161-long side L type baffle, 162-short side L type baffle, 17-gas rotation axis, 18-negative pressure area, 20-water storage tank, 21-water tank cylinder, 22-water tank inlet pipe, 23-water tank sealing flange, 23 a-water tank sealing gasket, 24-cone type cylinder, 25-anti-suction baffle plate, 26-water tank drain pipe, 27-support base b, 30-drain ball valve.
Detailed Description
The technical features of the present invention will be further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1 and 4, the cyclone negative pressure type dust removing dehumidifier with a rotating shaft is composed of a cyclone negative pressure type dust removing dehumidifier 1, a water tank water inlet pipe 22 with a water drain pipe 10 and a water storage tank 20 at the lower part, and a water tank water drain pipe 26 connected with a water drain ball valve 30.
As shown in fig. 1, 2, 3 and 4, the cyclone negative pressure type dust removing dehumidifier 1 with a rotating shaft is provided with an air inlet pipe 2 which is connected with a cylindrical barrel 3 and is tangential and intersected at the position of the central line of the cylindrical barrel 3, and is fixed by a welding method; up and down of cylinder 3 and cone 4The lower flange of the cylindrical barrel 3 is connected with the upper flange of the conical barrel 4 by a fastener; the upper part of the cylindrical barrel 3 is provided with an independent cylindrical barrel cover plate 7, an exhaust pipe 5 and an exhaust sealing baffle 6, a sealing gasket x6a is arranged between the cylindrical barrel cover plate 7 and the exhaust sealing baffle 6, and a process hole larger than the outer diameter of the rotary shaft 13 is arranged on the cylindrical barrel cover plate 7; a sealing gasket y7a is also arranged between the upper flange of the cylindrical barrel 3, the lower flange of the cylindrical barrel 3 and the upper flange of the conical barrel 4; the lower side of the flange at the upper part of the cylindrical barrel 3 and the outer side part of the cylindrical barrel 3 are provided with 2 hoisting rings 8 with symmetrical angles, and the hoisting rings 8 are provided with hoisting rings with the aperture of 33mm for installing and hoisting a hoisting tool; the horizontal position of the air inlet pipe 2 is provided with 1 spray joint for externally connecting a spray pipe; the upper part of the conical cylinder body 4 is provided with 4 symmetrical supporting bases a11, the bases are provided with 2 round holes with the same distance of 27mm, and the round holes are erected on a stand of a steel structure and can be fixed by fasteners; the lower part of the conical cylinder body is provided with a drain pipe 10 with a flange, and the caliber of the drain pipe 10 is set to be 2/3 of the outer diameter of the air inlet pipe 2; the outer diameter of the cylinder 3 is 4.5 times of the outer diameter of the air inlet pipe 2, the height of the cylinder 3 is 4 times of the outer diameter of the air inlet pipe 2, the length of the air outlet pipe 5 is 4 times of the outer diameter of the air outlet pipe 5, the height of the cone 4 is 7 times of the outer diameter of the air inlet pipe 2, and the cone angle of the cone 4 is 30 0 The drain pipe 10 is connected to the lower part of the conical cylinder 4, and is fixedly bonded by a welding method.
As shown in fig. 1, 2, 3 and 4, the cyclone negative pressure type dust and moisture remover 1 with a rotating shaft is characterized in that 12L-shaped guide plates 16 are arranged on the inner wall of a cylindrical barrel 3 and on the inner side of a gas rotating axis 17, the lower side of the intersection of the horizontal center line of the gas inlet pipe 2 and the vertical center line of the cylindrical barrel 3 is used, the tail end of a long-side L-shaped guide plate 161 is intersected with the vertical center line, the tail end of a short-side L-shaped guide plate 162 is attached to the inner wall of the cylindrical barrel 3 as a starting point position, the interval between the 12L-shaped guide plates 16 is set to be 28.5 DEG, the interval between the 12L-shaped guide plates 16 is set at the outlet of the gas inlet pipe 2, the interval between the end point L-shaped guide plates 16b is set to be lower than the outer diameter of the gas inlet pipe 2, the interval between the starting point L-shaped guide plates 16a which is in first contact with the inflow gas is set to be 46.5 DEG, and the interval between the lower end surface of the L-shaped guide plates 16 and the lower flange surface of the cylindrical barrel 3 is set to be within 100mm by welding a stationary phase on the inner wall of the cylindrical barrel 3.
As shown in fig. 1, 2, 3 and 4, a hollow tube 13a and a rotating shaft blade 13b integrated assembly is arranged on a rotating shaft 13 arranged in the cyclone negative pressure type dust removing dehumidifier 1 with the rotating shaft; the inner side of the hollow tube 13a is arranged at the outer diameter position of the exhaust pipe 5 straight tube in the cylindrical barrel 3, the unilateral gap between the inner side of the hollow tube 13a and the outer diameter of the exhaust pipe 5 straight tube is within 3mm, and the wall thickness of the hollow tube 13a is within 4.5 mm; the height of the rotary shaft 13 is set to be 2 times of the caliber of the air inlet pipe 2, the upper part of the rotary shaft 13 is provided with a rotary shaft upper check ring 14, the top end of the rotary shaft 13 and the lower end face of the rotary shaft upper check ring 14 are provided with a gap distance of 2mm, the lower part of the rotary shaft 13 is provided with a rotary shaft lower check ring 15, the rotary shaft 13 is placed on the rotary shaft lower check ring 15, the heights of the rotary shaft upper check ring 14 and the rotary shaft lower check ring 15 are set within 50mm, the unilateral thicknesses of the rotary shaft upper check ring 14 and the rotary shaft lower check ring 15 are set within 15mm, the rotary shaft upper check ring 14 and the rotary shaft lower check ring 15 are provided with 4 screw holes with equal angles, and the aperture of the opening is set above 18 mm; the rotary shaft 13 is provided with 4 rotary shaft blades 13b with equal intervals, the thickness of the rotary shaft blades 13b is set within 4.5mm, the width of the rotary shaft blades 13b is set to be 100mm, the rotary shaft blades 13b are rotated and extended to 75 degrees in a spiral form along the vertical central line direction by the horizontal central line, the rotary shaft blades 13b are rotated and extended to 75 degrees in a spiral form along the horizontal central line direction by the vertical central line, the inner sides of the rotary shaft blades 13b are combined with the outer diameter of the hollow tube 13a, and the rotary shaft 13 is fixedly combined by a welding method; the distance between the outer diameter of the rotating shaft blades 13b and the gas rotating axis 17 is more than 1 time of the outer diameter of the air inlet pipe 2, namely, the stability and smoothness of the rotating speed of the inflowing gas in the cylindrical barrel 3 are kept, and the pressure loss of the gas in the cylindrical barrel 3 is avoided and reduced as much as possible.
As shown in fig. 1, 2, 3 and 4, the exhaust pipe 5 in the cyclone negative pressure type dust removing dehumidifier 1 with a rotating shaft is provided with the aperture of the exhaust pipe 5 being the same as that of the air inlet pipe 2, the length of the exhaust pipe 5 is set to be more than 4 times of the aperture of the exhaust pipe, and the length of a straight pipe of the exhaust pipe 5 arranged in the cylindrical barrel 3 is more than 3 times of the aperture of the exhaust pipe 5; the upper and lower positions of the straight pipe of the exhaust pipe 5 in the cylindrical barrel 3 are respectively provided with 4 screw holes with equal angles, the aperture is M16mm, and the upper check ring 14 of the rotating shaft and the lower check ring 15 of the rotating shaft are used for fixing the rotating shaft 13; the top of the exhaust pipe 5 is provided with a flange and an exhaust sealing baffle 6, an exhaust sealing gasket x6a is arranged between the exhaust sealing baffle 6 and a cylinder sealing cover plate 7 and is connected by a fastener, the distance between the end face of the flange at the top of the exhaust pipe 5 and the part of the straight pipe of the exhaust pipe 5 extending out of the cylinder 3 and the end face of the flange of the cylinder 3 is set to be more than 200mm, and when the equipment is installed, the space for tool operation is required to be reserved, so that the cyclone negative pressure type dust remover 1 with a rotating shaft is formed.
As shown in fig. 1, 4 and 5, a water storage tank 20 in the cyclone negative pressure type dust and moisture remover 1 with a rotating shaft is provided with a water tank water inlet pipe 22 inserted into a water tank cylinder sealing cover plate 23 and fixedly combined by a welding method, the upper part of the water tank cylinder 21 is provided with the water tank cylinder sealing cover plate 23, and the lower part of the water tank cylinder 21 is provided with a water tank conical cylinder 24 and a water tank drain pipe 26; the cone angle of the water tank cone 24 is set to be 50 0 The method comprises the steps of carrying out a first treatment on the surface of the A flange for connection is arranged at the inlet of the water tank water inlet pipe 21 and the outlet of the water tank water outlet pipe 26, and the flange, the water tank barrel 21, the water tank water inlet pipe 22 and the water tank water outlet pipe 26 are all fixed by a welding method; the lower part of the water tank barrel 21 and the upper part of the water tank conical barrel 24, the lower part of the conical barrel 24 and the upper part of the water tank drain pipe 26 straight pipe are also fixed by welding; a water tank sealing gasket 23a is arranged between water tank cylinder sealing cover plates 23 for connecting the upper parts of the flanges of the water tank cylinder 21, and the water tank cylinder sealing cover plates are fixedly connected by adopting fasteners; the depth of the outer plane of the sealing cover plate 23 of the water tank cylinder body, which is provided with the straight pipe part of the water tank water inlet pipe 22, is the water tank water inlet pipe22, wherein the height between the flange surface of the water inlet pipe 22 of the water tank and the outer side plane of the sealing cover plate 23 of the water tank cylinder is more than 150mm, and the water tank is fixed by adopting a welding method; the center of the water inlet pipe 22 of the water tank and the center of the sealing cover plate 23 of the water tank cylinder body are set to be the same size of the outer diameter of the water inlet pipe 22 of the water tank; a semicircular anti-suction baffle plate 25 is arranged in the water tank barrel 21, the distance between the anti-suction baffle plate 25 and the water tank water inlet pipe 22 is set to be 1/2 of the caliber of the water tank water inlet pipe 22, a triangular support plate is arranged at the lower part of the anti-suction baffle plate 25, and the anti-suction baffle plate is fixed on the inner wall surface of the water tank barrel 21 by a welding method; the lower part of the water tank conical cylinder 24 is provided with a water tank drain pipe 26 connected with a drain ball valve 30, the outer circle of the water tank cylinder 21 is provided with 4 supporting bases b27 with equal angles, and the supporting bases b27 are provided with more than 18mm apertures for being placed on a stand of a steel structure to form the water tank 20.
As shown in fig. 1, 2, 3, 4 and 5, the rotating shaft 13 in the cyclone negative pressure type dust removing dehumidifier 1 with a rotating shaft is characterized in that: when the exhaust gas containing dust and moisture is sent by a fan and a pipeline system, the exhaust gas flows into a gas splitter plate 12 arranged at the outlet of the air inlet pipe 2 through the air inlet pipe 2 and is split and separated, one half of the gas rotates along the outer side of an L-shaped guide plate 16 welded on the cylindrical barrel 3, namely the inner side of a gas rotation axis 17 to generate rotary airflow, and the other half of the gas is led into a rotating shaft blade 13b on the rotating shaft 13 to be contacted, the hollow pipe 13a and the rotating shaft blade 13b on the rotating shaft 13 rotate around the axis of the exhaust pipe 5 by utilizing the flow velocity thrust and the pressure of the gas, so that the rotation and backflow of the gas are accelerated, the rotation speed of the gas is accelerated to be more than 1 time of the inlet flow velocity after the split gas is converged in the conical barrel 4, and the centrifugal force generated by the rotating gas is increased by 1 time; the sprayed gas containing dust and moisture is discharged from the air inlet pipe 2, is divided into effective spaces by 12L-shaped guide plates 16 and a certain angle in the cylindrical barrel 3, and generates centrifugal force and forms 12 negative pressure areas 18 under the action of inlet flow velocity thrust and pressure of the rotary air flow and the rotary shaft 13; the sprayed dust gas increases the grain size of moisture molecules under the adsorption action of water molecules, is pushed into the negative pressure area 18 by centrifugal force to be accumulated, gradually forms water drops after the collision of the moisture and the moisture, automatically settles after the dead weight of the water drops in the negative pressure area 18 increases, flows downwards into the water tank water inlet pipe 22 and the water storage tank 20 along the inner walls of the negative pressure area 18, namely the cylindrical barrel 3 and the conical barrel 4 and the water discharge pipe 10, is stored, and can be discharged outwards by opening the water discharge ball valve 30 after passing through the water tank water discharge pipe 26 and connecting an external water discharge pipeline; the gas in the cylinder 3 is collected after flowing downwards along the cone cylinder 4 under the action of centrifugal force, and is discharged outwards after flowing upwards into the exhaust pipe 5 at the bottom of the cone cylinder 4, in order to avoid that a part of water drops are taken away when the gas flows upwards, the water storage tank 20 is provided with a suction preventing baffle 25, which has the function of preventing the possibility that the water drops flowing downwards to the water storage tank 20 are sucked upwards again when the gas flows upwards, thereby achieving the purposes and effects of dust removal and dehumidification.
The device of the invention has simple, compact and reasonable structure and the working principle is as follows: the cyclone negative pressure type dust removing dehumidifier 1 with a rotating shaft 13 is characterized in that a spraying method is used for dust and moisture contained in waste gas discharged by factories and mining enterprises, the principle that moisture adsorbs dust and increases the particle size of moisture molecules is utilized, gas is split and separated through a gas guide plate 12 of an air inlet pipe 2 and flows into a cylindrical barrel 3 to be contacted with an L-shaped guide plate 16, and the rotating shaft 13 is accelerated to rotate under the actions of the flow rate, the pressure and reasoning of the gas, and meanwhile, cyclone and backflow gas are generated to form centrifugal force and 12 negative pressure areas 18; the water and the moisture which absorb dust are pushed into the negative pressure area 18 by the action of centrifugal force, so that water drops are formed after the water and the moisture collide in the negative pressure area 18, the water drops automatically settle by self weight and flow downwards into the water tank water inlet pipe 22 and the water storage tank 20 along the negative pressure area 18 on the inner wall of the cylinder body, the inner wall of the cone cylinder body 4 and the water discharge pipe 10 for storage, and then the water discharge ball valve 20 is opened after the water tank water discharge pipe 26 is connected with an external water discharge pipe so as to be discharged outwards; the gas accelerated by the rotating shaft 13 and subjected to negative pressure type dust removal and dehumidification is discharged upwards and outwards along the exhaust pipe 5 under the action of centrifugal force, so that the purposes and effects of dust removal and dehumidification are achieved;
the centrifugal force and negative pressure principle are applied to maximize the purification effect of the dust removal and dehumidification capability of the waste gas, avoid and reduce the pressure loss of the gas, and achieve the effect that the removal rate of dust and moisture particle size with PM more than 5.0 reaches more than 95 percent, thus being an environment-friendly device with high efficiency and remarkable energy conservation.
Claims (6)
1. Cyclone negative pressure type dust removal dehumidifier with rotation axis, characterized by: comprises an air inlet pipe, an air outlet pipe, a cylindrical barrel, a conical barrel and a water storage tank; the upper and lower parts of the cylindrical barrel and the conical barrel are respectively provided with a flange, and the lower flange of the cylindrical barrel is connected with the upper flange of the conical barrel by a fastener; an air inlet pipe and an air outlet pipe are arranged on the cylindrical barrel, the air inlet pipe is connected with the cylindrical barrel and is tangential to and intersected with the cylindrical barrel, the cylindrical barrel is fixed by a welding method, and an air splitter plate is arranged at the outlet of the air inlet pipe; the rotary shaft is arranged at the outer diameter position of the straight pipe of the exhaust pipe in the cylindrical barrel; 12L-shaped guide plates are arranged on the inner wall of the cylindrical barrel and the inner side of the gas rotation axis; a drain pipe with a flange is arranged at the lower part of the conical cylinder body; the water storage tank is provided with a water tank cylinder, a water tank conical cylinder, a water tank water inlet pipe and a water tank water outlet pipe, the water tank water inlet pipe is inserted into the water tank cylinder sealing cover plate and is fixed by a welding method; the upper part of the water tank barrel is provided with a water tank barrel sealing cover plate, the lower part of the water tank barrel is provided with a water tank conical barrel and a water tank drain pipe, and the water tank conical barrel and the water tank drain pipe are fixed by a welding method; the drain pipe at the lower part of the conical barrel body is connected with the water inlet pipe of the water tank; a semicircular anti-suction baffle is arranged in the water tank barrel of the water tank, and a water tank drain pipe connected with a drain ball valve is arranged at the lower part of the water tank conical barrel;
on the cross section of the cylinder body where the horizontal center line of the air inlet pipe is positioned, one side, close to the air inlet pipe, of the horizontal center line of the air inlet pipe, which is intersected with the vertical center line of the cylindrical cylinder body, the inner wall of the cylindrical cylinder body is provided with a starting point L-shaped guide plate, the tail ends of the long-side L-shaped guide plates are intersected with the vertical center line of the cylindrical cylinder body, the tail ends of the short-side L-shaped guide plates are stuck to the inner wall of the cylindrical cylinder body as the starting point, the interval between the 12L-shaped guide plates is set to be 28.5 DEG, the end point L-shaped guide plates arranged at the outlet of the air inlet pipe is lower than the outer diameter of the air inlet pipe, and the interval between the end point L-shaped guide plates and the first contact starting point L-shaped guide plates of inflow air is set to be 46.5 DEG, and the end point L-shaped guide plates are fixed on the inner wall of the cylindrical cylinder body by a welding method;
the rotating shaft is provided with an assembly formed by integrating a hollow pipe and rotating shaft blades; the inner side of the hollow tube is arranged at the outer diameter position of the exhaust pipe straight tube in the cylindrical barrel; the rotating shaft is provided with 4 rotating shaft blades with equal intervals, the thickness of the rotating shaft blades is set within 4.5mm, the width of the rotating shaft blades is set to be 100mm, the rotating shaft blades are rotated and extended to 75 degrees in a spiral mode along the horizontal central line direction of the rotating shaft towards the vertical central line direction of the rotating shaft, the rotating shaft blades are rotated and extended to 75 degrees in a spiral mode along the vertical central line direction of the rotating shaft towards the horizontal central line direction of the rotating shaft, the inner sides of the rotating shaft blades are combined with the outer diameter of the hollow tube, and the rotating shaft is fixedly combined by a welding method.
2. The cyclone negative pressure type dust removing dehumidifier with a rotating shaft according to claim 1, wherein: the upper part of the cylindrical barrel is provided with an independent cylindrical barrel cover plate, an exhaust pipe and an exhaust sealing baffle plate, a sealing gasket x is arranged between the cylindrical barrel cover plate and the exhaust sealing baffle plate, and a process hole larger than the outer diameter of the rotating shaft is arranged on the cylindrical barrel cover plate; a sealing gasket y is also arranged among the upper flange of the cylindrical barrel, the lower flange of the cylindrical barrel and the upper flange of the conical barrel; the lower side of the flange at the upper part of the cylindrical barrel and the outer side part of the cylindrical barrel are provided with 2 hoisting rings with symmetrical angles, the aperture of each hoisting ring is 33mm, and the hoisting rings are used for installing and implementing hoisting tools; the horizontal position of the air inlet pipe is provided with 1 spray connector for externally connecting a spray pipe; the upper part of the conical cylinder body is provided with 4 symmetrical support bases a for installing a cyclone negative pressure type dust removing dehumidifier with a rotating shaft, and the support bases a are respectively provided with 2 round holes with the same distance of 27mm for supporting the bottomThe seat a is erected on a stand of a steel structure and can be fixed by using a fastener; the lower part of the conical cylinder body is provided with a drain pipe with a flange, and the caliber of the drain pipe is set to be 2/3 of the outer diameter of the air inlet pipe; the outer diameter of the cylindrical barrel is 4.5 times of the outer diameter of the air inlet pipe, the height of the cylindrical barrel is 4 times of the outer diameter of the air inlet pipe, the length of the air outlet pipe is 4 times of the outer diameter of the air outlet pipe, the height of the conical barrel is 7 times of the outer diameter of the air inlet pipe, and the cone angle of the conical barrel is set to be 30 0 The drain pipe is connected to the lower part of the conical cylinder and fixed by welding.
3. The cyclone negative pressure type dust removing dehumidifier with a rotating shaft according to claim 1, wherein: the distance between the lower end surface of the L-shaped guide plate and the lower flange surface of the cylindrical barrel is within 100 mm.
4. The cyclone negative pressure type dust removing dehumidifier with a rotating shaft according to claim 1, wherein: the unilateral gap between the inner side of the hollow pipe and the outer diameter of the exhaust pipe straight pipe is within 3mm, and the wall thickness of the hollow pipe is within 4.5 mm; the height of the rotating shaft is set to be 2 times of the caliber of the air inlet pipe, the upper part of the rotating shaft is provided with a rotating shaft upper check ring, the top end of the rotating shaft and the lower end face of the rotating shaft upper check ring are provided with a gap distance of 2mm, the lower part of the rotating shaft is provided with a rotating shaft lower check ring, the rotating shaft is placed on the rotating shaft lower check ring, the heights of the rotating shaft upper check ring and the rotating shaft lower check ring are set within 50mm, the unilateral thicknesses of the rotating shaft upper check ring and the rotating shaft lower check ring are set within 15mm, the rotating shaft upper check ring and the rotating shaft lower check ring are respectively provided with 4 screw holes with equal angles, and the aperture of the opening is set above 18 mm; the distance between the outer diameter of the rotating shaft blade and the gas rotating axis is more than 1 time of the outer diameter of the air inlet pipe.
5. The cyclone negative pressure type dust removing dehumidifier with a rotating shaft according to claim 1, wherein: the caliber of the exhaust pipe is the same as that of the air inlet pipe, the length of the exhaust pipe is more than 4 times of the caliber of the exhaust pipe, and the length of the straight pipe of the exhaust pipe arranged in the cylindrical cylinder body is more than 3 times of the caliber of the exhaust pipe; 4 screw holes with equal angles are respectively arranged at the upper and lower positions of the exhaust pipe straight pipe in the cylindrical barrel body, the aperture of the screw holes is M16mm, and the screw holes are used for fixing the upper check ring of the rotating shaft and the lower check ring of the rotating shaft on the rotating shaft; the top of the exhaust pipe is provided with a flange and an exhaust sealing baffle, and the distance between the end face of the flange at the top of the exhaust pipe and the end face of the cylindrical barrel extending out of the straight pipe of the exhaust pipe and the cylindrical barrel flange is set to be more than 200 mm.
6. The cyclone negative pressure type dust removing dehumidifier with a rotating shaft according to claim 1, wherein: the water storage tank is provided with a water tank water inlet pipe which is inserted into the water tank cylinder sealing cover plate and fixed by a welding method, the water tank cylinder sealing cover plate is arranged at the upper part of the water tank cylinder, and the water tank conical cylinder and the water tank drain pipe are arranged at the lower part of the water tank cylinder; the cone angle of the cone of the water tank is set to be 50 0 The method comprises the steps of carrying out a first treatment on the surface of the The inlet of the water inlet pipe of the water tank and the outlet of the water outlet pipe of the water tank are provided with flanges for connection, and the flanges, the water tank cylinder, the water inlet pipe of the water tank and the water outlet pipe of the water tank are all fixed by a welding method; the lower part of the water tank cylinder body and the upper part of the water tank conical cylinder body, the lower part of the conical cylinder body and the upper part of the water tank drain pipe straight pipe are also fixed in a welding mode; a water tank sealing gasket is arranged between the water tank cylinder sealing cover plates at the upper part of the water tank cylinder flange, and the water tank sealing gasket is fixedly connected by adopting a fastener; the depth of the outer plane of the straight pipe part of the water tank inlet pipe inserted into the sealing cover plate of the water tank cylinder body is 1/3 of the outer diameter of the water tank inlet pipe, and the height of the flange surface of the water tank inlet pipe and the outer plane of the sealing cover plate of the water tank cylinder body is more than 150 mm; the distance between the center of the water inlet pipe of the water tank and the center of the sealing cover plate of the water tank cylinder is set to be the same as the outer diameter of the water inlet pipe of the water tank; a semicircular anti-suction baffle is arranged in the water tank barrel, the distance between the anti-suction baffle and the water tank water inlet pipe is set to be 1/2 of the caliber of the water tank water inlet pipe, a triangular support plate is arranged at the lower part of the anti-suction baffle, and the anti-suction baffle is fixed on the inner wall surface of the water tank barrel by a welding method; the lower part of the water tank conical cylinder body is provided with a water drain ball valve connected with the water drain ball valveThe water tank drain pipe is characterized in that the outer circle of the water tank cylinder body is provided with 4 supporting bases b with equal angles, and the supporting bases b are respectively provided with an aperture of more than 18mm and are used for being placed on a stand of a steel structure to form a water storage tank.
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