CN112827280A - Conical cooling and dedusting integrated system for treating waste gas - Google Patents
Conical cooling and dedusting integrated system for treating waste gas Download PDFInfo
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- CN112827280A CN112827280A CN202110015812.3A CN202110015812A CN112827280A CN 112827280 A CN112827280 A CN 112827280A CN 202110015812 A CN202110015812 A CN 202110015812A CN 112827280 A CN112827280 A CN 112827280A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/021—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by bubbling the gas through a liquid bath
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- 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
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
- F28F13/125—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation by stirring
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Abstract
The invention discloses a conical cooling and dust removal integrated system for treating waste gas and a waste gas treatment method, wherein the system comprises a waste gas source, a gas receiving base, a cooling water source, a cooling water receiving base and conical cooling and dust removal integrated equipment; be equipped with gaseous input pipeline between waste gas source and the toper cooling integration equipment that removes dust, be equipped with gaseous output pipeline between toper cooling integration equipment that removes dust and the gaseous base of receiving, be equipped with cooling water input pipeline between cooling water source and the toper cooling integration equipment that removes dust, be equipped with cooling water output pipeline between toper cooling integration equipment that removes dust and the cooling water base, toper cooling integration equipment that removes dust has interior conical cooling space and outer ring toper dust removal space, the cooling water has in the interior conical cooling space, the stickness dust removal liquid has in the outer ring toper dust removal space. The invention has good cooling and dedusting effect on waste gas and high efficiency.
Description
Technical Field
The invention belongs to the technical field of waste gas treatment, and particularly relates to a conical cooling and dedusting integrated system for treating waste gas and a waste gas treatment method.
Background
The industrial waste gas has the remarkable characteristics of containing waste heat and large dust content, so that the waste gas must be cooled and dedusted before the desulfurization and denitrification treatment of the waste gas is carried out, and the thoroughness and high efficiency of the whole purification process for the waste gas purification treatment can be ensured. The existing equipment for cooling and dedusting the waste gas has the following defects: the cooling and dust removal are divided into two sets of equipment, the occupied space is large, the investment cost is high, and the waste gas purification treatment efficiency is greatly reduced.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the conical cooling and dedusting integrated system for treating the waste gas and the waste gas treatment method provided by the invention have the advantages of good cooling and dedusting effects on the waste gas and high efficiency.
The technical scheme is as follows: in order to achieve the aim, the conical cooling and dust removing integrated system for treating the waste gas comprises a waste gas source, a gas receiving base, a cooling water source, a cooling water receiving base and conical cooling and dust removing integrated equipment; a gas input pipeline is arranged between the waste gas source and the conical cooling and dust removing integrated equipment, a gas output pipeline is arranged between the conical cooling and dust removing integrated equipment and the gas receiving base, a cooling water input pipeline is arranged between the cooling water source and the conical cooling and dust removing integrated equipment, a cooling water output pipeline is arranged between the conical cooling and dust removing integrated equipment and the cooling water receiving base, and the conical cooling and dust removing integrated equipment is provided with a gas guide pipeline;
the conical cooling and dust removing integrated equipment is provided with an inner conical cooling space and an outer annular conical dust removing space, the inner conical cooling space and the outer annular conical dust removing space are coaxial from inside to outside and are arranged in an inverted posture, cooling water is arranged in the inner conical cooling space, and viscous dust removing liquid is arranged in the outer annular conical dust removing space; the gas distribution and water distribution stirring shaft is vertically inserted into the inner conical cooling space, the side surface of the gas distribution and water distribution stirring shaft is provided with a gas distribution hole area positioned at the bottom of the inner conical cooling space and a water distribution hole area positioned at the middle of the inner conical cooling space, the gas outlet end of the gas input pipeline is butted with the lower end of the gas distribution and water distribution stirring shaft and communicated with the gas distribution hole area, the water outlet end of the cooling water input pipeline is butted with the upper end of the gas distribution and water distribution stirring shaft and communicated with the water distribution hole area, and the side surface of the gas distribution and water distribution stirring shaft is connected with a stirring rod; the bottom in outer ring toper dust removal space is provided with annular gas distribution dish, the top in conical cooling space in the inlet end intercommunication of air guide pipeline, inside the end intercommunication annular gas distribution dish of giving vent to anger of air guide pipeline, the second gas distribution hole that switches on outer ring toper dust removal space is densely covered to the upper surface of annular gas distribution dish, and is provided with in the outer ring toper dust removal space and carries out the spiral spoiler that the route was guided to the little waste gas bubble of come-up in stickness dust removal liquid.
Furthermore, the conical cooling and dust removing integrated equipment comprises an inner conical body and an outer conical body, the inner conical body and the outer conical body are connected through a spiral flow blocking sheet to keep coaxial and arranged in an inverted posture, the inner space of the inner conical body is an inner conical cooling space, an interlayer space formed by limiting the inner conical body and the outer conical body is an outer annular conical dust removing space, and the spiral flow blocking sheet is matched with the shape profile of the outer annular conical dust removing space in the axial direction and extends in a conical spiral mode.
Furthermore, the gas distribution and water distribution stirring shaft is provided with a gas distribution cavity communicated with the lower shaft end, the gas distribution cavity is in butt joint with a lower rotary joint, the gas input pipeline penetrates through the annular gas distribution disc to extend into the inner conical cooling space to be in butt joint with the lower rotary joint, the gas distribution cavity corresponds to a gas distribution hole area, and the gas distribution hole area is composed of a plurality of first gas distribution holes which are uniformly distributed and communicated with the gas distribution cavity;
the air and water distribution stirring shaft is provided with a water distribution cavity communicated with the upper shaft end, the water distribution cavity is butted with an upper rotary joint, the cooling water input pipeline is butted with the upper rotary joint, the water distribution cavity corresponds to a water distribution hole area, and the water distribution hole area is composed of a plurality of water distribution holes which are uniformly distributed and communicated with the water distribution cavity;
the stirring rods are arranged in a downward inclined and extending mode from the connection part of the stirring rods and the gas distribution and water distribution stirring shaft, the stirring rods are two groups which are symmetrically arranged relative to the gas distribution and water distribution stirring shaft, each group at least comprises three stirring rods, and the gas distribution and water distribution stirring shaft and the stirring rods are located in the same vertical plane.
Furthermore, an inverted cone-shaped bubble diffusion slope is arranged on the gas and water distribution stirring shaft, is positioned between the gas distribution hole area and the water distribution hole area, and is arranged close to the gas distribution hole area; a plurality of bubble clearing holes of evenly distributed on the back taper bubble diffusion slope, the aperture of bubble clearing hole is greater than the aperture of first gas distribution hole, and has the outer loop interval that horizontal width is greater than the aperture of first gas distribution hole between the big port edge on back taper bubble diffusion slope and the inside wall of interior conical body.
Furthermore, the conical cooling and dust removing integrated equipment also comprises a sealing cover, wherein the opening of the sealing cover faces downwards, the bottom plate of the sealing cover is of a single-layer solid plate structure, and the side plate of the sealing cover is of a double-layer hollow plate structure with a circular ring space; the bottom plate of the sealing cover covers the top of the inner conical cooling space, and the annular space is butted with the top of the annular conical dedusting space; the gas and water distribution stirring shaft penetrates through the sealing cover in a rotary sealing manner, the gas and water distribution stirring shaft is driven to rotate by a driving device arranged on the sealing cover, and the driving device is a belt transmission mechanism or a tooth transmission mechanism driven by a motor; the air inlet end of the air guide pipeline is communicated with the inner side surface of the bottom plate of the sealing cover, the air inlet end of the air output pipeline is communicated with the circular space, and the cooling water output pipeline penetrates through the sealing cover in a sealing manner to enable the water inlet end of the cooling water output pipeline to extend into the inner conical cooling space; the annular space is internally provided with an annular partition plate, the annular partition plate is provided with air outlets, each air outlet is in butt joint with a dust removal cloth bag, and the dust removal cloth bags are distributed in the annular space in a circumferential array mode.
Furthermore, an air inlet prevention cylinder is arranged at the water inlet end of the cooling water output pipeline and is used for preventing waste air bubbles from being sucked into the cooling water output pipeline; prevent a section of thick bamboo that admits air includes the barrel and fills the wire net in the barrel, the end of intaking of cooling water output pipeline stretches into in the barrel by the bobbin base shutoff of barrel links firmly, the pipe side that cooling water output pipeline is located the barrel has the inlet opening, the inlet opening is close to the bobbin base setting of barrel, the wire net is filled between the barrel is inboard and the cooling water output pipeline outside.
Furthermore, a breathable metal net film is clamped between the circular ring space of the sealing cover and the top of the circular ring conical dust removal space.
Furthermore, outer ring toper dust removal space has and is located the inlet that is close to outer cone upper end side and is located the liquid outlet that is close to outer cone lower extreme side, the feed liquor valve is installed to the inlet, the flowing back valve is installed to the liquid outlet.
Further, the viscous dedusting liquid is prepared by uniformly mixing glycerol and water according to the proportion of 1: 6.
A waste gas treatment method of a conical cooling and dedusting integrated system for treating waste gas comprises the following specific steps:
step S1: opening a liquid inlet valve, injecting viscous dedusting liquid which is prepared in advance into the conical dedusting space of the outer circular ring, meanwhile, inputting cooling water of a cooling water source into the conical cooling space of the inner circular ring, closing the liquid inlet valve after the conical dedusting space of the outer circular ring is filled with the viscous dedusting liquid, and continuously inputting the cooling water after the conical cooling space of the inner circular ring is filled with the cooling water;
step S2: waste gas of a waste gas source is input into the gas distribution cavity through a gas input pipeline, then the waste gas in the gas distribution cavity is sprayed out from the first gas distribution hole to form dense and hemp waste gas bubbles, the waste gas bubbles float upwards and diffuse when passing through the inverted cone-shaped bubble diffusion slope, and the waste gas bubbles gradually pass through the bubble through holes to float upwards in the diffusion process, so that the waste gas bubbles diffuse at the bottom of the inner cone-shaped cooling space; meanwhile, the driving device drives the air distribution and water distribution stirring shaft to drive the stirring rod to rotate to stir the cooling water, and the cooling water input into the water distribution cavity is sprayed out from the water distribution holes to form water columns to impact and stir the cooling water; the waste gas bubbles float upwards in the cooling water and are stirred, so that the waste gas and the cooling water are mixed and contacted more fully, and the waste gas is cooled efficiently;
the method comprises the steps that when a cooling water source continuously supplies cooling water to an inner conical cooling space, a water suction pump of a cooling water receiving base pumps out the cooling water in the inner conical cooling space, the suction force of a water suction pump is adjusted to enable the floating buoyancy of waste gas bubbles to be larger than the suction force of the water suction pump transmitted to a water inlet end of a cooling water output pipeline, and then due to the fact that a cylinder body shields the waste gas bubbles and a steel wire mesh blocks the waste gas bubbles, the purpose that only the cooling water is pumped and the waste gas bubbles are not sucked is achieved;
step S3: the cooled waste gas is gathered in the sealing cover, then the waste gas is guided into the annular gas distribution disc along the gas guide pipeline, the waste gas in the annular gas distribution disc is sprayed out from the second gas distribution holes to form dense hemp waste gas bubbles again, the waste gas bubbles float upwards in the viscous dedusting liquid from the bottom of the conical dedusting space of the outer circular ring, and under the guiding action of the path of the spiral flow blocking piece, the waste gas bubbles float upwards in an upward conical spiral path, so that the floating stroke is increased, the waste gas is fully contacted with the viscous dedusting liquid, and the high-efficiency dedusting of the waste gas is realized;
step S4: and the dedusted waste gas enters the annular space of the sealing cover and then enters a dedusting cloth bag for secondary dedusting, so that residual dust particles in the waste gas are thoroughly removed, and finally the waste gas is conveyed to a gas receiving base through a gas output pipeline.
Has the advantages that: the conical cooling and dedusting integrated system for treating waste gas and the waste gas treatment method have the beneficial effects that:
1) according to the invention, through the arrangement of the conical cooling and dust removal integrated equipment, the waste gas cooling and dust removal are combined, so that on one hand, the occupied area is small, the investment cost is low, and on the other hand, the waste gas cooling and dust removal efficiency can be greatly improved;
2) during the cooling operation process of the conical cooling and dust removing integrated equipment, the waste gas can be in more thorough and sufficient contact with cooling water through gas distribution, diffusion and stirring operations on the waste gas, so that the purpose of efficient cooling is achieved, and during the dust removing operation, the dust removing thoroughness and the efficiency can be greatly improved through the gas distribution, spiral upward floating guiding and residual dust removing operations on the waste gas;
3) the waste gas treatment method disclosed by the invention is reasonable in layout, simple to operate, easy to operate and suitable for large-scale popularization and application.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a half-section structure of the conical cooling and dust removing integrated equipment;
FIG. 3 is a partially enlarged schematic view of region A of FIG. 2;
FIG. 4 is a perspective view of a part of the structure of the conical cooling and dust removing integrated equipment.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the attached figure 1, a conical cooling and dust removing integrated system for treating waste gas comprises a waste gas source 1, a gas receiving base 2, a cooling water source 3, a cooling water receiving base 4 and conical cooling and dust removing integrated equipment 5; a gas input pipeline 10 is arranged between the waste gas source 1 and the conical cooling and dust removing integrated device 5, a gas output pipeline 20 is arranged between the conical cooling and dust removing integrated device 5 and the gas receiving base 2, a cooling water input pipeline 30 is arranged between the cooling water source 3 and the conical cooling and dust removing integrated device 5, a cooling water output pipeline 40 is arranged between the conical cooling and dust removing integrated device 5 and the cooling water receiving base 4, and a gas guide pipeline 50 is arranged on the conical cooling and dust removing integrated device 5.
As shown in fig. 2 and fig. 4, the conical cooling and dust removing integrated device 5 has an inner conical cooling space 5a and an outer annular conical dust removing space 5b, the inner conical cooling space 5a and the outer annular conical dust removing space 5b are arranged coaxially from inside to outside and in an inverted posture, cooling water is contained in the inner conical cooling space 5a, and viscous dust removing liquid is contained in the outer annular conical dust removing space 5 b; the inner conical cooling space 5a is vertically inserted with an air and water distribution stirring shaft 51, the side surface of the air and water distribution stirring shaft 51 is provided with an air distribution hole area 511 positioned at the bottom of the inner conical cooling space 5a and a water distribution hole area 512 positioned at the middle of the inner conical cooling space 5a, the air outlet end of the gas input pipeline 10 is connected with the lower end of the air and water distribution stirring shaft 51 and communicated with the air distribution hole area 511, the water outlet end of the cooling water input pipeline 30 is connected with the upper end of the air and water distribution stirring shaft 51 and communicated with the water distribution hole area 512, and the side surface of the air and water distribution stirring shaft 51 is connected with a stirring rod 513; the bottom in outer ring toper dust removal space 5b is provided with annular gas distribution dish 52, the top in conical cooling space 5a in the inlet end intercommunication of air duct 50, inside the end intercommunication annular gas distribution dish 52 of giving vent to anger of air duct 50, the second gas distribution hole 520 that switches on outer ring toper dust removal space 5b is densely covered to the upper surface of annular gas distribution dish 52, and is provided with in the outer ring toper dust removal space 5b and carries out the spiral spoiler 53 that the route was guided to the little waste gas bubble that floats in the stickness liquid. According to the invention, through the arrangement of the conical cooling and dust removal integrated equipment 5, the waste gas cooling and dust removal are combined, so that on one hand, the occupied area is small, the investment cost is low, and on the other hand, the waste gas cooling and dust removal efficiency can be greatly improved; in addition, toper cooling dust removal integration equipment 5 is at the cooling operation in-process, through carrying out gas distribution, diffusion and stirring operation to waste gas can make waste gas and cooling water more thorough, abundant contact to reach high-efficient refrigerated purpose, in the dust removal operation, can improve dust removal thoroughness, high efficiency greatly through carrying out gas distribution, guide spiral come-up, remaining dust removal operation to waste gas.
More specifically, toper cooling dust removal integration equipment 5 includes interior cone 54 and external cone 55, connect through spiral spoiler 53 between interior cone 54 and the external cone 55 and keep coaxial and handstand posture setting, the inner space of interior cone 54 is interior toper cooling space 5a, the intermediate layer space of spacing constitution is outer circular ring toper dust removal space 5b between interior cone 54 and the external cone 55, the shape profile of spiral spoiler 53 adaptation outer circular ring toper dust removal space 5b is the toper spiral extension in axial direction, guarantees to realize the guide come-up of the biggest state of stroke to the waste gas bubble through spiral spoiler 53, guarantees that the stickness dust particle in the waste gas is adhered more thoroughly to the stickness dust removal liquid.
The air distribution and water distribution stirring shaft 51 is provided with an air distribution cavity 51.1 communicated with the lower shaft end, the air distribution cavity 51.1 is in butt joint with a lower rotary joint 56, the air input pipeline 10 penetrates through the annular air distribution disc 52 and extends into the inner conical cooling space 5a to be in butt joint with the lower rotary joint 56, the air distribution cavity 51.1 corresponds to an air distribution hole area 511, and the air distribution hole area 511 is composed of a plurality of first air distribution holes 5110 which are uniformly distributed and communicated with the air distribution cavity 51.1; the air and water distribution stirring shaft 51 is provided with a water distribution cavity 51.2 communicated with the upper shaft end, the water distribution cavity 51.2 is butted with an upper rotary joint 57, the cooling water input pipeline 30 is butted with the upper rotary joint 57, the water distribution cavity 51.2 corresponds to a water distribution hole area 512, and the water distribution hole area 512 is composed of a plurality of water distribution holes 5120 which are uniformly distributed and communicated with the water distribution cavity 51.2; the stirring rods 513 are arranged to extend downwards from the connection part of the stirring rods 513 and the gas and water distribution stirring shaft 51, the stirring rods 513 are two groups symmetrically arranged about the gas and water distribution stirring shaft 51, each group at least comprises three stirring rods 513, and the gas and water distribution stirring shaft 51 and the stirring rods 513 are located in the same vertical plane.
The gas and water distribution stirring shaft 51 is provided with an inverted cone-shaped bubble diffusion slope 58, the inverted cone-shaped bubble diffusion slope 58 is positioned between the gas distribution hole area 511 and the water distribution hole area 512, and the inverted cone-shaped bubble diffusion slope 58 is arranged close to the gas distribution hole area 511; a plurality of bubble clearing holes 580 of evenly distributed on back taper bubble diffusion slope 58, the waste gas bubble is floated and is diffused when back taper bubble diffusion slope 58, these waste gas bubble diffusion in-process pass bubble clearing hole 580 come-up gradually, thereby make the waste gas bubble including the diffusion of conical cooling space 5a bottom come, furthest's expansion waste gas bubble is at the initial come-up distribution range in the cooling water, more be favorable to follow-up waste gas bubble's come-up dispersion, the aperture of bubble clearing hole 580 is greater than the aperture of first gas distribution hole 5110, reduce the probability that the waste gas bubble contacted each other and fuse, and have horizontal width between the main aspects edge of back taper bubble diffusion slope 58 and the inside wall of inner cone 54 and be greater than the outer loop interval 581 in the aperture of first gas distribution hole 5110, guarantee that remaining waste gas bubble's come-up passes through, avoid the waste gas bubble to.
The conical cooling and dust removing integrated equipment 5 further comprises a sealing cover 59, wherein the opening of the sealing cover 59 faces downwards, the bottom plate of the sealing cover is of a single-layer solid plate structure, and the side plate of the sealing cover is of a double-layer hollow plate structure with a circular ring space 590; the bottom plate of the cover 59 covers the top of the inner conical cooling space 5a, and the annular space 590 is butted against the top of the annular conical dedusting space 5 b; the gas and water distribution stirring shaft 51 penetrates through the sealing cover 59 in a rotating and sealing manner, the gas and water distribution stirring shaft 51 is driven to rotate by a driving device 5.2 arranged on the sealing cover 59, and the driving device 5.2 is a belt transmission mechanism or a tooth transmission mechanism driven by a motor; the air inlet end of the air guide pipe 50 is communicated with the inner side surface of the bottom plate of the sealing cover 59, the air inlet end of the air output pipe 20 is communicated with the annular space 590, and the cooling water output pipe 40 hermetically penetrates through the sealing cover 59 to enable the water inlet end of the cooling water output pipe to extend into the inner conical cooling space 5 a; an annular partition plate 591 is arranged in the annular space 590, air outlets 592 are formed in the annular partition plate 591, each air outlet 592 is butted with a dust removal cloth bag 593, and the dust removal cloth bags 593 are distributed in a circumferential array in the annular space 590. The dedusted waste gas enters the annular space 590 of the sealing cover 59 and then enters the dedusting cloth bag 593 for secondary dedusting, so that residual dust particles in the waste gas are thoroughly removed.
As shown in fig. 3, an air inlet prevention cylinder 5.3 is arranged at the water inlet end of the cooling water output pipeline 40, and the air inlet prevention cylinder 5.3 is used for preventing waste air bubbles from being sucked into the cooling water output pipeline 40; prevent a section of thick bamboo 5.3 including barrel 5.31 and fill wire net 5.32 in barrel 5.31, the end of intaking of cooling water output pipeline 40 stretches into in the barrel 5.31 by barrel 5.31's bobbin base shutoff links firmly, the pipe side that cooling water output pipeline 40 is located barrel 5.31 has inlet opening 401, inlet opening 401 is close to the bobbin base setting of barrel 5.31, wire net 5.32 is filled between the barrel 5.31 is inboard and the cooling water output pipeline 40 outside. In the process of pumping cooling water in the inner conical cooling space 5a by the water suction pump of the cooling water receiving base 4, the buoyancy of the floating waste gas bubbles is larger than the suction of the water suction pump at the water inlet end of the cooling water output pipeline 40 by adjusting the suction of the water suction pump, and the purpose of only pumping the cooling water and not sucking the waste gas bubbles is achieved due to the shielding of the cylinder 5.31 on the waste gas bubbles and the obstruction of the steel wire mesh 5.32 on the waste gas bubbles.
And a breathable metal net film 5.1 is clamped between the annular space 590 of the sealing cover 59 and the top of the annular conical dedusting space 5b, so that waste air bubbles are prevented from bursting out of viscous dedusting liquid and being broken to generate sputtering.
The outer ring conical dust-removing space 5b has an inlet 550 near the upper end side of the outer cone 55 and an outlet 551 near the lower end side of the outer cone 55, the inlet 550 is provided with an inlet valve 552, and the outlet 551 is provided with an outlet valve 553. The injection of the viscous dust removing liquid and the discharge after dust removal are convenient.
In the invention, preferably, the viscous dedusting liquid is prepared by uniformly mixing glycerol and water according to the specific gravity of 1: 6.
A waste gas treatment method of a conical cooling and dedusting integrated system for treating waste gas comprises the following specific steps:
step S1: opening a liquid inlet valve 552, injecting a viscous dedusting liquid which is prepared in advance into the outer circular ring conical dedusting space 5b, meanwhile, inputting cooling water of a cooling water source 3 into the inner circular ring conical cooling space 5a, closing the liquid inlet valve 552 after the outer circular ring conical dedusting space 5b is filled with the viscous dedusting liquid, and continuously inputting the cooling water after the inner circular ring conical cooling space 5a is filled with the cooling water;
step S2: waste gas of the waste gas source 1 is input into the gas distribution cavity 51.1 through the gas input pipeline 10, the waste gas in the rear gas distribution cavity 51.1 is sprayed out from the first gas distribution hole 5110 to form dense hemp waste gas bubbles, the waste gas bubbles float upwards and diffuse through the inverted cone-shaped bubble diffusion slope 58, and the waste gas bubbles gradually float upwards through the bubble through holes 580 in the diffusion process, so that the waste gas bubbles are diffused at the bottom of the inner cone-shaped cooling space 5 a; meanwhile, the driving device 5.2 drives the air distribution and water distribution stirring shaft 51 to drive the stirring rod 513 to rotate to stir the cooling water, and the cooling water input into the water distribution cavity 51.2 is sprayed out from the water distribution holes 5120 to form a water column to impact and stir the cooling water; the waste gas bubbles float upwards in the cooling water and are stirred, so that the waste gas and the cooling water are mixed and contacted more fully, and the waste gas is cooled efficiently;
when the cooling water source 3 continuously supplies cooling water to the inner conical cooling space 5a, the cooling water in the inner conical cooling space 5a is pumped out through a water suction pump of the cooling water receiving base 4, the floating force of the waste gas bubbles is larger than the suction force transmitted to the water inlet end of the cooling water output pipeline 40 by the water suction pump through adjusting the suction force of the water suction pump, and the purpose that only the cooling water is pumped and the waste gas bubbles are not sucked is achieved due to the shielding of the cylinder 5.31 on the waste gas bubbles and the blocking of the steel wire mesh 5.32 on the waste gas bubbles;
step S3: the cooled waste gas is gathered in the sealing cover 59, then the waste gas is guided into the annular gas distribution disc 52 along the gas guide pipeline 50, the waste gas in the annular gas distribution disc 52 is sprayed out from the second gas distribution holes 520 to form dense hemp waste gas bubbles again, the waste gas bubbles float upwards in the viscous dedusting liquid from the bottom of the conical dedusting space 5b of the outer ring, under the guiding action of the path of the spiral flow blocking piece 53, the waste gas bubbles float upwards in an upward conical spiral path, the floating stroke is increased, and the waste gas is fully contacted with the viscous dedusting liquid, so that the high-efficiency dedusting of the waste gas is realized;
step S4: the waste gas after dust removal enters the annular space 590 of the sealing cover 59 and then enters the dust removal cloth bag 593 for secondary dust removal, so that residual dust particles in the waste gas are thoroughly removed, and finally the waste gas is conveyed to the gas receiving base 2 through the gas output pipeline 20.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (10)
1. The utility model provides a handle toper cooling dust removal integration system of waste gas which characterized in that: comprises a waste gas source (1), a gas receiving base (2), a cooling water source (3), a cooling water receiving base (4) and a conical cooling and dust removing integrated device (5); a gas input pipeline (10) is arranged between the waste gas source (1) and the conical cooling and dust removing integrated device (5), a gas output pipeline (20) is arranged between the conical cooling and dust removing integrated device (5) and the gas receiving base (2), a cooling water input pipeline (30) is arranged between the cooling water source (3) and the conical cooling and dust removing integrated device (5), a cooling water output pipeline (40) is arranged between the conical cooling and dust removing integrated device (5) and the cooling water receiving base (4), and the conical cooling and dust removing integrated device (5) is provided with a gas guide pipeline (50);
the conical cooling and dust removing integrated equipment (5) is provided with an inner conical cooling space (5a) and an outer annular conical dust removing space (5b), the inner conical cooling space (5a) and the outer annular conical dust removing space (5b) are coaxial from inside to outside and arranged in an inverted posture, cooling water is arranged in the inner conical cooling space (5a), and viscous dust removing liquid is arranged in the outer annular conical dust removing space (5 b); a gas and water distribution stirring shaft (51) is vertically inserted into the inner conical cooling space (5a), the side surface of the gas and water distribution stirring shaft (51) is provided with a gas distribution hole area (511) positioned at the bottom of the inner conical cooling space (5a) and a water distribution hole area (512) positioned at the middle of the inner conical cooling space (5a), the gas outlet end of the gas input pipeline (10) is in butt joint with the lower end of the gas and water distribution stirring shaft (51) and communicated with the gas distribution hole area (511), the water outlet end of the cooling water input pipeline (30) is in butt joint with the upper end of the gas and water distribution stirring shaft (51) and communicated with the water distribution hole area (512), and the side surface of the gas and water distribution stirring shaft (51) is connected with a stirring rod (513); the bottom in outer ring toper dust removal space (5b) is provided with annular gas distribution dish (52), the top in conical cooling space (5a) in the inlet end intercommunication of air guide pipeline (50), inside the end intercommunication annular gas distribution dish (52) of giving vent to anger of air guide pipeline (50), the second gas distribution hole (520) of conducting outer ring toper dust removal space (5b) are densely covered to the upper surface of annular gas distribution dish (52), and are provided with in outer ring toper dust removal space (5b) and carry out the spiral spoiler (53) that the route was guided to the little waste gas bubble of come-up in the stickness dust removal liquid.
2. The integrated conical cooling and dedusting system for treating exhaust gas as recited in claim 1, wherein: the conical cooling and dust removing integrated equipment (5) comprises an inner conical body (54) and an outer conical body (55), the inner conical body (54) and the outer conical body (55) are connected through a spiral flow blocking piece (53) to keep coaxial and arranged in an inverted posture, the inner space of the inner conical body (54) is an inner conical cooling space (5a), the interlayer space formed by limiting between the inner conical body (54) and the outer conical body (55) is an outer annular conical dust removing space (5b), and the spiral flow blocking piece (53) is matched with the shape profile of the outer annular conical dust removing space (5b) in the axial direction and extends in a conical spiral mode.
3. The integrated conical cooling and dedusting system for treating exhaust gas as recited in claim 2, wherein: the air distribution and water distribution stirring shaft (51) is provided with an air distribution cavity (51.1) communicated with the lower shaft end, the air distribution cavity (51.1) is butted with a lower rotary joint (56), the air input pipeline (10) penetrates through the annular air distribution disc (52) and extends into the inner conical cooling space (5a) to be butted with the lower rotary joint (56), the air distribution cavity (51.1) corresponds to an air distribution hole area (511), and the air distribution hole area (511) is formed by a plurality of first air distribution holes (5110) which are uniformly distributed and communicated with the air distribution cavity (51.1);
the air and water distribution stirring shaft (51) is provided with a water distribution cavity (51.2) communicated with the upper shaft end, the water distribution cavity (51.2) is butted with an upper rotary joint (57), the cooling water input pipeline (30) is butted with the upper rotary joint (57), the water distribution cavity (51.2) corresponds to a water distribution hole area (512), and the water distribution hole area (512) is composed of a plurality of water distribution holes (5120) which are uniformly distributed and communicated with the water distribution cavity (51.2);
the stirring rods (513) are arranged in a downward inclined and extending mode from the connection part of the stirring rods (513) and the gas and water distribution stirring shaft (51), the stirring rods (513) are two groups which are symmetrically arranged relative to the gas and water distribution stirring shaft (51), each group at least comprises three stirring rods (513), and the gas and water distribution stirring shaft (51) and the stirring rods (513) are located in the same vertical plane.
4. The integrated conical cooling and dedusting system for treating exhaust gas as recited in claim 3, wherein: the gas and water distribution stirring shaft (51) is provided with an inverted cone-shaped bubble diffusion slope (58), the inverted cone-shaped bubble diffusion slope (58) is positioned between the gas distribution hole area (511) and the water distribution hole area (512), and the inverted cone-shaped bubble diffusion slope (58) is arranged close to the gas distribution hole area (511); a plurality of bubble through holes (580) are uniformly distributed on the inverted cone-shaped bubble diffusion slope (58), the aperture of each bubble through hole (580) is larger than that of each first air distribution hole (5110), and an outer ring distance (581) with the horizontal width larger than that of each first air distribution hole (5110) is arranged between the edge of a large port of the inverted cone-shaped bubble diffusion slope (58) and the inner side wall of the inner cone body (54).
5. The integrated conical cooling and dedusting system for treating exhaust gas as recited in claim 4, wherein: the conical cooling and dust removing integrated equipment (5) further comprises a sealing cover (59), wherein the opening of the sealing cover (59) faces downwards, the bottom plate of the sealing cover is of a single-layer solid plate structure, and the side plate of the sealing cover is of a double-layer hollow plate structure with a circular ring space (590); the bottom plate of the cover (59) covers the top of the inner conical cooling space (5a), and the annular space (590) is butted with the top of the annular conical dedusting space (5 b); the gas distribution and water distribution stirring shaft (51) penetrates through the sealing cover (59) in a rotary sealing manner, the gas distribution and water distribution stirring shaft (51) is driven to rotate by a driving device (5.2) arranged on the sealing cover (59), and the driving device (5.2) is a motor-driven belt transmission mechanism or a gear transmission mechanism; the air inlet end of the air guide pipeline (50) is communicated with the inner side face of the bottom plate of the sealing cover (59), the air inlet end of the air output pipeline (20) is communicated with the annular space (590), and the cooling water output pipeline (40) penetrates through the sealing cover (59) in a sealing mode to enable the water inlet end of the cooling water output pipeline to extend into the inner conical cooling space (5 a); annular partition plate (591) has been had in annular space (590), gas outlet (592) have been seted up on annular partition plate (591), every gas outlet (592) all have butt joint dust removal sack (593), a plurality of dust removal sack (593) are the circumference array and distribute in annular space (590).
6. The integrated conical cooling and dedusting system for treating exhaust gas of claim 5, wherein: an air inlet prevention cylinder (5.3) is arranged at the water inlet end of the cooling water output pipeline (40), and the air inlet prevention cylinder (5.3) is used for preventing waste air bubbles from being sucked into the cooling water output pipeline (40); prevent a section of thick bamboo (5.3) of admitting air includes barrel (5.31) and fills wire net (5.32) in barrel (5.31), the end of intaking of cooling water output pipeline (40) stretches into in barrel (5.31) quilt the bobbin base shutoff of barrel (5.31) links firmly, the pipe side that cooling water output pipeline (40) are located barrel (5.31) has inlet opening (401), inlet opening (401) are close to the bobbin base setting of barrel (5.31), wire net (5.32) are filled between barrel (5.31) inboard and cooling water output pipeline (40) outside.
7. The integrated conical cooling and dedusting system for treating exhaust gas of claim 6, wherein: a gas-permeable metal net film (5.1) is clamped between the annular space (590) of the sealing cover (59) and the top of the annular conical dedusting space (5 b).
8. The integrated conical cooling and dedusting system for treating exhaust gas of claim 7, wherein: the outer ring conical dust removing space (5b) is provided with a liquid inlet (550) close to the upper end side of the outer conical body (55) and a liquid outlet (551) close to the lower end side of the outer conical body (55), the liquid inlet (550) is provided with a liquid inlet valve (552), and the liquid outlet (551) is provided with a liquid outlet valve (553).
9. The integrated conical cooling and dedusting system for treating exhaust gas as recited in claim 1, wherein: the viscous dedusting liquid is prepared by uniformly mixing glycerol and water according to the proportion of 1: 6.
10. The exhaust gas treatment method of the conical cooling and dust removal integrated system for treating exhaust gas according to claim 8, wherein: the method comprises the following specific steps:
step S1: opening a liquid inlet valve (552), injecting a viscous dedusting liquid which is prepared in advance into an outer circular conical dedusting space (5b), meanwhile, inputting cooling water of a cooling water source (3) into an inner conical cooling space (5a), closing the liquid inlet valve (552) after the outer circular conical dedusting space (5b) is filled with the viscous dedusting liquid, and continuously inputting the cooling water after the inner conical cooling space (5a) is filled with the cooling water;
step S2: waste gas of the waste gas source (1) is input into the gas distribution cavity (51.1) through the gas input pipeline (10), then the waste gas in the gas distribution cavity (51.1) is sprayed out from the first gas distribution hole (5110) to form dense and hemp waste gas bubbles, the waste gas bubbles float upwards and diffuse when passing through the inverted cone-shaped bubble diffusion slope (58), and the waste gas bubbles gradually pass through the bubble through holes (580) to float upwards in the diffusion process, so that the waste gas bubbles are diffused at the bottom of the inner cone-shaped cooling space (5 a); meanwhile, the driving device (5.2) drives the air distribution and water distribution stirring shaft (51) to drive the stirring rod (513) to rotate to stir the cooling water, and the cooling water input into the water distribution cavity (51.2) is sprayed out from the water distribution holes (5120) to form a water column to impact and stir the cooling water; the waste gas bubbles float upwards in the cooling water and are stirred, so that the waste gas and the cooling water are mixed and contacted more fully, and the waste gas is cooled efficiently;
when the cooling water source (3) continuously supplies cooling water to the inner conical cooling space (5a), the cooling water in the inner conical cooling space (5a) is pumped out through a water suction pump of the cooling water receiving base (4), the floating force of the waste gas bubbles is larger than the suction force of the water suction pump transmitted to the water inlet end of the cooling water output pipeline (40) by adjusting the suction force of the water suction pump, and the purpose of only pumping the cooling water and not sucking the waste gas bubbles is achieved due to the shielding of the cylinder (5.31) on the waste gas bubbles and the obstruction of the steel wire mesh (5.32) on the waste gas bubbles;
step S3: the cooled waste gas is gathered in the sealing cover (59), then the waste gas is guided into the annular gas distribution disc (52) along the gas guide pipeline (50), the waste gas in the annular gas distribution disc (52) is sprayed out from the second gas distribution holes (520) to form dense and hemp waste gas bubbles again, the waste gas bubbles float upwards in viscous dedusting liquid from the bottom of the conical dedusting space (5b) of the outer ring, under the guiding action of the path of the spiral flow blocking piece (53), the waste gas bubbles float upwards in an upward conical spiral path, the floating stroke is increased, the waste gas is fully contacted with the dedusting liquid in viscosity, and therefore efficient dedusting of the waste gas is achieved;
step S4: the waste gas after dust removal enters an annular space (590) of the sealing cover (59) and then enters a dust removal cloth bag (593) for secondary dust removal, residual dust particles in the waste gas are thoroughly removed, and finally the waste gas is conveyed to a gas receiving base (2) through a gas output pipeline (20).
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Cited By (1)
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