CN117282207B - Double-S vortex wet dust removal device and method - Google Patents
Double-S vortex wet dust removal device and method Download PDFInfo
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- CN117282207B CN117282207B CN202311486069.5A CN202311486069A CN117282207B CN 117282207 B CN117282207 B CN 117282207B CN 202311486069 A CN202311486069 A CN 202311486069A CN 117282207 B CN117282207 B CN 117282207B
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- 239000000428 dust Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 220
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 122
- 239000003546 flue gas Substances 0.000 claims abstract description 122
- 239000002245 particle Substances 0.000 claims abstract description 70
- 239000000779 smoke Substances 0.000 claims abstract description 63
- 238000009825 accumulation Methods 0.000 claims abstract description 52
- 238000001914 filtration Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 230000008569 process Effects 0.000 claims abstract description 15
- 239000007921 spray Substances 0.000 claims description 27
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- 238000012544 monitoring process Methods 0.000 claims description 17
- 239000010802 sludge Substances 0.000 claims description 12
- 238000011217 control strategy Methods 0.000 claims description 7
- 230000010485 coping Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 238000007791 dehumidification Methods 0.000 claims description 4
- 238000003908 quality control method Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
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- 239000000203 mixture Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 8
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- 239000007789 gas Substances 0.000 description 7
- 238000012986 modification Methods 0.000 description 6
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- 239000003517 fume Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
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- 239000003595 mist Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000012717 electrostatic precipitator Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
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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
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention relates to a double-S vortex wet dust removal device and a method, comprising the following steps: the filter box body is horizontally arranged, one end of the filter box body is provided with a smoke inlet channel with a blower, the upper part of the other end of the filter box body is provided with a smoke outlet channel, two double-S-shaped vortex plates are symmetrically arranged in the box body, the inner part of the filter box body is divided into a left part, a middle part and a right part by the double-S-shaped vortex plates, the middle part is communicated with the smoke inlet channel, and the left part and the right part are communicated with the smoke outlet channel; the bottom of the filtering box body is provided with a water accumulation bucket, and the lower part of the double-S-shaped vortex plate is open to the left, middle and right parts inside the filtering box body and is immersed by water. The invention utilizes the filtration of the flue gas passing through the water body to form liquid drops with particles, and makes the liquid drops generate severe collision in the channel formed by the double-S vortex plates, dust particles are soaked and captured, and most of dust is directly filtered in the process, thus forming very effective filtration. The device provided by the invention has a simple structure, is convenient to use, and is particularly suitable for discharging small smoke.
Description
Technical Field
The invention relates to a double-S vortex wet dust removal device and method, in particular to an environment-friendly device and method, which are used for carrying out particle removal treatment on air emissions with particles.
Background
With the enhancement of environmental protection consciousness and the like, more stringent requirements are put on the emission of particulate matters in the atmosphere, and the emission concentration of the particulate matters in the atmosphere is more and more stringent, even ultra-clean emission is required, and basically approaches to zero emission. At present, the particulate matters discharged from the atmosphere are mainly treated by an electrostatic precipitator and a bag-type dust remover. The discharge concentration of the electrostatic precipitator is ultra-low, the number of electric fields is required to be increased, dust with high specific resistance cannot be treated, and the cost performance is low when the small smoke amount is treated. The bag-type dust collector can reach the emission standard by adjusting the filter material and increasing the filter area, the price of the filter bag is very high, the high-temperature and high-humidity gas cannot be treated, the used bag can also cause secondary pollution, and the bag-type dust collector is also not suitable for small-smoke-amount treatment. How to make the flue gas dust removal more reasonable and efficient and avoid secondary pollution is a problem to be solved.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides a double-S vortex wet dust collection device and a double-S vortex wet dust collection method. The device and the method filter the smoke by water in a rotational flow way, remove impurities in the smoke, including large-particle dust, fine dust and ionic pollutants by utilizing water ions, and do not generate secondary pollutants, and the generated pollutants can be deeply treated and reused.
The purpose of the invention is realized in the following way: a double S vortex wet dust collector comprising: the filter box of rectangle horizontal position, the one end of filter box be equipped with the flue gas entering passageway that has the air-blower, another end upper portion is equipped with the flue gas output passageway, the box in symmetry set up two S type vortex boards, two S type vortex boards divide into the filtration box internal portion about, three parts, wherein mid portion and flue gas entering passageway intercommunication, control part and flue gas output passageway intercommunication. The bottom of the filtering box body is provided with a water accumulation bucket, and the lower parts of the double-S-shaped vortex plates are open to the left, middle and right parts in the filtering box body and are immersed by water. The length of the double-S-shaped vortex plate is consistent with the length direction in the filter box body, the cross section is in the shape of an upper semicircle and a lower semicircle, a second running water tank is formed in the middle of the connection of the two semicircles, a baffle plate with an arc protruding upwards is arranged in the middle of the lower semicircles, and a first running water tank is formed by the baffle plate and the side surface of the filter box body.
Furthermore, the bottom of the water accumulation bucket is in an inverted cone shape, a sludge discharge nozzle is arranged at the bottom of the water accumulation bucket, and an electric control sludge discharge sluice gate is arranged on the sludge discharge nozzle.
Further, a sprayer is arranged at the middle part of the filtering box body, and an electric control spray gate is arranged on the sprayer.
Further, a liquid level meter is arranged on the water accumulation bucket.
Further, the flue gas output channel flue gas particle monitoring sensor, flue gas particle and humidity monitoring sensor be connected with the controller, the controller be connected with automatically controlled mud water gate, automatically controlled shower gate, air-blower, level gauge electricity.
Further, the flue gas output channel is provided with a dehydrator.
Furthermore, the two sides and the top of the filtering box body are provided with access holes.
Furthermore, observation windows are arranged on two sides of the smoke inlet channel.
A double-S vortex wet dust removal method using the device comprises the following steps:
Step 1, designing the shape of a double S-shaped vortex plate: the curved surface shape of the double-S vortex plate is calculated and designed through fluid according to the size and the mass of smoke particles and the input quantity of smoke, so that a water body can fully contact or mix dust-containing smoke, and the water can be reduced from being carried out of equipment;
Step2, designing a coping control strategy: the size and mass of the smoke particles and the flow rate of the smoke determine a control coping strategy through fluid calculation, and the method comprises the following steps: blast capacity, spray water quantity, muddy water discharge quantity, water level control of a water accumulation bucket and smoke discharge quality control;
Step3, water injection in the water accumulation bucket: injecting water into the water accumulation bucket to submerge the lower part of the double-S vortex plate, and separating the left, middle and right parts in the filter box body by water;
Step 4, entering smoke: under the pushing of the blower, the flue gas enters the middle part of the filtering box body divided by the double S vortex plates through the flue gas inlet channel under the action of the flow guider, and sprays water; under the action of the convex curved surfaces of the two side walls of the middle part, the smoke is extruded to generate turbulent flow, and under the combined action of extrusion of the protruding wall plates at the two sides and spray water, the smoke is pushed to move downwards to impact the water body in the water accumulation bucket;
Step 5, the flue gas enters a water body: air in the middle part of the filter box body is extruded downwards into the water body of the water accumulation bucket, the smoke is fully contacted with the water body, and the water body absorbs a large amount of particles in the smoke;
Step 6, releasing the flue gas from the water body: under the pressure, the smoke in the water can only be released from the left and right side walls divided by the double-S vortex plate and enters the two side walls of the filtering box body to rise; in the rising process, firstly, a baffle plate is encountered, under the action of the concave bottom of the baffle plate, the square flue gas generates vortex, water particles in part of the flue gas are blocked from being in water, the other part of the water particles rise to bypass the baffle plate, under the action of the convex top of the baffle plate, the water particles partially fall down into a first flow channel, the flue gas then bypasses the joint part of two semicircular plates and enters an upper space, and the flue gas is further released, so that more water particles fall into a second flow channel;
Step 7, flue gas dehumidification treatment: the flue gas passes through a dehydrator to remove most of water in the flue gas;
Step 8, smoke is discharged: the dehumidified flue gas is discharged into the atmosphere through a flue gas output channel.
Further, the air blower and spray water control process comprises the following steps:
According to a control strategy designed in advance, a blower and a spray gate are started, the double-S vortex wet dust collector enters a normal working state, the particle concentration and the moisture in a chimney discharged by the flue gas particle and humidity monitoring sensor are monitored in real time, the air supply quantity and the spray water quantity of the blower are adjusted by a controller according to the monitoring result, meanwhile, the liquid level height in a water accumulation bucket is monitored in real time, and the sludge discharge gate is adjusted to be opened and closed according to the liquid level height.
The invention has the advantages and beneficial effects that: the invention divides the filtering box body into three parts by utilizing the double-S-shaped vortex plates, so that the flue gas is filtered by the water body to form liquid drops with particles, the liquid drops generate severe collision in a channel formed by the double-S-shaped vortex plates, dust particles are soaked and captured, and most of dust is directly filtered in the process, thus forming a very effective wet filtering process. The device provided by the invention has a simple structure, is convenient to use, and is particularly suitable for discharging small smoke.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic view of an apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the device according to the embodiment of the present invention, which is a sectional view taken along the direction A-A in FIG. 1;
FIG. 3 is a control schematic block diagram of a fifth embodiment of the present invention;
fig. 4 is a flow chart of a method according to a ninth embodiment of the present invention.
Detailed Description
Embodiment one:
The embodiment is a double-S vortex wet dust collector, as shown in fig. 1 and 2. The embodiment comprises the following steps: a rectangular horizontally arranged filter box body 1, wherein one end of the filter box body is provided with a smoke inlet channel 2 with a blower 201, the upper part of the other end of the filter box body is provided with a smoke outlet channel 3, two double-S-shaped vortex plates 4 are symmetrically arranged in the box body, the inner part of the filter box body is divided into a left part, a middle part, a right part and a left part 101, 102 and 103 by the double-S-shaped vortex plates, the middle part is communicated with the smoke inlet channel, and the left part and the right part are communicated with the smoke outlet channel; the bottom of the filtering box body is provided with a water accumulation bucket 5, and the lower parts of the double-S-shaped vortex plates are open to the left, middle and right parts in the filtering box body and are immersed by a water body 6; the length of the double-S-shaped vortex plate is consistent with the length direction in the filter box body, the cross section of the double-S-shaped vortex plate is shown in fig. 1, the cross section of the double-S-shaped vortex plate is formed by an upper semicircle and a lower semicircle, a second water flowing groove 401 is formed in the middle of the joint position of the two semicircles, a partition plate 403 with an arc protruding upwards is arranged in the middle of the lower semicircle, and a first water flowing groove 402 is formed by the partition plate and the side wall of the filter box body, as shown in fig. 2.
The embodiment is a dust collector with double S vortex plates, after dust-containing gas enters a filter box body from a flue gas inlet channel, the dust-containing gas impacts the surface of a water accumulation bucket, so that water is dispersed, liquid drops are carried by air flow to enter the double S vortex plate channel, the air flow in the vortex channel can reach 30 m/S, the air flow and the liquid drops generate severe collision in the double S vortex plate channel, dust particles are infiltrated and captured in the double S vortex plate channel, most dust is directly filtered in the process, and because the water carried out by the air flow is intercepted into the box body by a water trap, the water enters the bottom of the box body downwards along with the liquid drops, and is impacted by the water accumulation bucket to collect and discharge a machine body. An access hole can be arranged on the flue gas inlet channel for treating the problems occurring at the flue gas inlet. The top of the box body can be provided with an overhaul population for overhauling the problems of the box body and the ponding bucket. And a sprayer can be arranged on the flue gas inlet channel and used for supplementing water into the box body, so that the stable operation of the equipment is ensured. Dust in water after the treatment is deposited in the ponding bucket, the bottom edge of the ponding bucket can be provided with a mud discharging nozzle for discharging muddy water, the muddy water can be recycled after being discharged through measures such as sedimentation, and the whole equipment is fixed on the ground through the stand column.
Although a small amount of dust is not directly eliminated into the box body, along with the severe movement and collision between dust particles and liquid drops, the dust particles are attached by the liquid drops of the water mist, the mass and the volume can be increased by a plurality of times, the inertia force of the dust particles is increased, and the movement track of the dust particles in the air flow becomes smooth and regular.
The wet dust collector of the embodiment has relatively low manufacturing cost, and the dust collection efficiency can reach more than 99% generally by using water as a dust collection medium. The dust removing device is an optimal dust removing mode for dust with moisture, viscosity and pungent smell generated in the industries of chemical industry, paint spraying, glaze spraying, pigment and the like. Because not only dust but also a part of the peculiar smell can be removed by water, if the peculiar smell is harmful gas (such as a small amount of sulfur dioxide, hydrochloric acid mist and the like), the absorbent can be prepared in the washing liquid for absorption.
The double S-shaped vortex plate is the key to this embodiment. The double-S-shaped vortex plate comprises two curved plates with the length consistent with the length of the filtering box body in the long direction, the cross section of each curved plate is a symmetrical S-shaped curve, and each S-shaped curve is composed of an upper semicircular curve and a lower semicircular curve. The double S-shaped vortex plate divides the filter box body into three parts, the middle part is used for feeding the smoke, and the two side parts are used for discharging the smoke. The bottom of the double S-shaped vortex plate is immersed in the water accumulation bucket, and air flows along the arrow direction in the figure 1, so that the filtering process is formed. The double S-shaped vortex plate is a main dust removing component, the size and the structural form of the double S-shaped vortex plate need to be determined according to specific working conditions and calculation, and the special S-shaped structure and the water characteristics of the double S-shaped vortex plate are utilized to remove dust in flue gas.
The sprayer can be arranged at the middle part of the box body separated by the double S-shaped vortex plates, and sprays the flue gas which just enters the middle part of the box body, so that particles in the flue gas are flushed by spraying water to enter the water accumulation bucket, and muddy water is formed. The bottom of the water accumulation bucket can be provided with a muddy water outlet, and the muddy water discharge is controlled through an electric control gate. The flue gas particle and humidity monitoring sensor can be arranged on the flue gas output channel to monitor the particle concentration and the flue gas humidity of the discharged flue gas, and the conveying capacity of the blower and the spraying quantity of the spraying water are controlled by the controller so as to achieve the optimal flue gas filtering effect. The water level meter can be arranged on the water accumulation bucket, the water quantity in the water accumulation bucket is monitored through the controller, and the muddy water outlet is timely opened so as to regulate and control the water quantity in the water accumulation bucket.
The access hole is used for overhauling the problems of the box body and the ponding bucket; the sprayer supplements the water yield to the box, guarantees the steady operation of equipment, and the top overhauls the population and is for the maintenance box usefulness, has dust deposit in the water after going out the processing, discharges through going out mud, and wherein water recycles, and whole equipment passes through the stand to be fixed on ground.
Embodiment two:
The embodiment is an improvement of the first embodiment, and is a refinement of the first embodiment about the water accumulation bucket, the bottom of the water accumulation bucket in the embodiment is in an inverted cone shape, the bottom of the water accumulation bucket is provided with a mud discharging water gap, and the mud discharging water gap is provided with an electric control mud discharging water gate 501, as shown in fig. 1.
The reverse conical ponding bucket can concentrate the fume particles in water at the bottom and discharge the fume particles through the sludge discharge port. The electric control gate is used for controlling the water quantity in the water accumulation bucket and controlling sediment settlement.
Embodiment III:
The embodiment is a modification of the above embodiment, and is a refinement of the above embodiment about a filtering box, where a sprayer 6 is disposed in the middle part of the filtering box, as shown in fig. 2, and the sprayer is provided with an electric control spray gate.
The sprayer sprays the flue gas which just enters the filter box body. The water quantity sprayed is controlled by an electric control spray gate.
Embodiment four:
the present embodiment is a modification of the above embodiment, and is a refinement of the above embodiment about the water accumulation bucket, where the water accumulation bucket is provided with a liquid level meter 7, as shown in fig. 1.
The liquid level meter is arranged in the water accumulation bucket and is used for monitoring the water level in the water accumulation bucket.
Fifth embodiment:
the embodiment is an improvement of the above embodiment, and is about the refinement of the flue gas output channel flue gas in the above embodiment, the flue gas output channel in this embodiment is provided with flue gas particles and a humidity monitoring sensor 8, as shown in fig. 1, the flue gas particles and the humidity monitoring sensor are connected with a controller, and the controller is electrically connected with an electric control sludge discharge sluice gate, an electric control spray sluice gate, a blower and a liquid level meter, as shown in fig. 3.
The controller is an electronic device with digital storage and calculation capability, and is used for analyzing data collected by the flue gas particles, the humidity monitoring sensor and the liquid level meter, and controlling the air supply quantity of the blower and the spraying quantity of the sprayer according to a control strategy so as to determine the optimal filtering effect.
Example six:
The embodiment is a modification of the above embodiment, and is a refinement of the above embodiment about a flue gas output channel, where the flue gas output channel is provided with a dehydrator 9, as shown in fig. 1 and 2.
The water remover is arranged on a channel of the flue gas flowing out of the filter box body and is used for carrying out final dehumidification on the exhausted gas so as to discharge the flue gas of the filter box with as little moisture as possible.
Embodiment seven:
This embodiment is a modification of the above embodiment, and is a refinement of the above embodiment about a filtering box, where two sides and a top of the filtering box are provided with access holes 104, as shown in fig. 1 (the access holes on the side are cut away due to the cross-sectional view, and are indicated by dashed lines).
The top and sides of the filter housing are provided with access openings sized to accommodate an adult so that a repairman may access the interior of the housing for servicing.
Example eight:
the present embodiment is a modification of the above embodiment, and is a refinement of the above embodiment about a smoke inlet channel, where two sides of the smoke inlet channel are provided with observation windows 202, as shown in fig. 1.
The observation window is used for observing the running state of the blower and the state that the flue gas enters the filter box.
Example nine:
the embodiment is a double-S vortex wet dust removal method using the device, and the method is mainly as follows:
operation and steps:
After dust-containing gas enters the dust remover box body from the inlet, the dust-containing gas impacts the surface of the water accumulation bucket, so that some water is dispersed, the air flow carries liquid drops to enter the double-S vortex plate channel, the air flow in the vortex channel is up to 30 m/S, the air flow and the liquid drops generate severe collision in the double-S vortex plate channel, dust particles are soaked and captured, most dust is directly filtered in the process, and because the water carried out by the air flow is intercepted into the box body by the water remover, the water enters the bottom of the box body downwards along with the liquid drops and is collected by the impact water accumulation bucket and discharged out of the machine body.
The purified flue gas is discharged from the upper part of the double-S vortex plate channel, and the carried water is returned to the equipment by the carried steam through the dehydrator, so that the secondary pollution is prevented from being caused by being discharged into the atmosphere.
Although a small amount of dust is not directly eliminated into the box body, along with the severe movement and collision between dust particles and liquid drops, the dust particles are attached by the liquid drops of the water mist, the mass and the volume can be increased by a plurality of times, the inertia force of the dust particles is increased, and the movement track of the dust particles in the air flow becomes smooth and regular.
In the whole operation process, intelligent automatic control can be adopted, and remote operation and remote monitoring can be realized through a special electric control system.
The specific steps of the method are as follows (the flow is shown in fig. 4):
Step 1, designing the shape of a double S-shaped vortex plate: the curved surface shape of the double-S vortex plate is designed through fluid calculation according to the size and the mass of smoke particles and the input quantity of smoke, so that the water body can be fully contacted with or mixed with dust-containing smoke, and the water can be reduced from being carried out of the device.
The double S-vortex plate should be designed in a manner that can be easily replaced. The design process of the double-S vortex plate is usually carried out when the whole design of the dust removing device is carried out, but if the treated flue gas is changed greatly (for example, the fuel is changed), the curved surface shape of the double-S vortex plate is considered again, and corresponding design calculation is carried out. After the shape of the double S vortex plate is determined, the double S vortex plate is manufactured according to the design calculation result and is installed to the filter box body.
Step2, designing a coping control strategy: the size and mass of the smoke particles and the flow rate of the smoke determine a control coping strategy through fluid calculation, and the method comprises the following steps: blast volume, spray water volume, muddy water discharge volume, water level control of a water accumulation bucket and smoke discharge quality control.
Before the dust-removing device is started, various parameters need to be calculated to determine the optimal parameters so as to obtain the best filtering effect. These parameters include: the control quantity of the blower is used for controlling the entering and wind speed of the flue gas, and the parameter directly influences the rotational flow of the flue gas in the double-S vortex plate and the filtering efficiency of the rotational flow and water in the water accumulation hopper. The influence of the spraying water quantity is to eliminate particle dust in the flue gas, and the spraying water quantity also influences the discharge quantity of muddy water and the control of the water level of the water accumulation bucket, and the quality control of the flue gas discharge. In the flue gas filtering treatment process, all the parameters need to be comprehensively considered, so that the optimal flue gas treatment effect is obtained.
Step3, water injection in the water accumulation bucket: and water is injected into the water accumulation bucket to submerge the lower part of the double-S vortex plate, and the water body separates the left part, the middle part and the right part in the filter box body.
The water in the ponding bucket has the effect of dividing the inner part of the filter box into three parts, so that the smoke is forced to pass through the water so as to interact with the water in the ponding bucket, and particles in the smoke are detained in the water, thereby playing a role in filtering.
Step 4, entering smoke: under the pushing of the blower, the flue gas enters the middle part of the filtering box body divided by the double-S vortex plate through the flue gas inlet channel under the action of the flow guider, and sprays water. Under the action of the convex curved surfaces of the two side walls of the middle part, the smoke is extruded to generate turbulent flow, and under the combined action of extrusion of the protruding wall plates at the two sides and spray water, the smoke is pushed to move downwards to impact the water body in the water accumulation bucket.
Due to the action of the blower, flue gas is pushed into the space of the middle part of the filter box body divided by the two double-S vortex plates, the wall plates at two sides of the middle space are convex curved surfaces, a state with small upper part and large lower part is formed, air at the upper part is extruded to move downwards, and air at the lower part is extruded to move downwards by air at the upper part, so that the impact of water in the ponding bucket is formed. The flow director can guide the flue gas to the other end of the filter box body, and the flue gas uniformly impacts the water body in the water accumulation bucket. When the flue gas enters the middle part of the filtering box body, the flue gas is impacted downwards by the spray water, so that particles in the flue gas are provided with water to form water drops, the particles in the flue gas are easier to fuse with water, and a better effect of filtering the flue gas is formed.
Step 5, the flue gas enters a water body: air in the middle part of the filter box body is extruded downwards into the water body of the water accumulation bucket, the smoke is fully contacted with the water body, and the water body absorbs a large amount of particles in the smoke.
The step is a key part of the embodiment, and due to the stirring effect of the flue gas in the water body, a large amount of bubbles and turbulent flow are generated in the water body, so that the flue gas is fully contacted with the water body, and particles in the flue gas are absorbed or combined with the particles to form larger water drops so as to be further absorbed in the subsequent rising process of the flue gas.
Step 6, releasing the flue gas from the water body: under the pressure, the smoke in the water can only be released from the left and right side walls divided by the double-S vortex plate and enters the two side walls of the filtering box body to rise. In the rising process, firstly, the partition plate is encountered, vortex is generated by square flue gas under the action of the concave bottom of the partition plate, water particles in part of flue gas are blocked from being in water, the other part of water particles rise to bypass the partition plate, the water particles partially fall down under the action of the convex top of the partition plate and fall into the first water flowing groove, the flue gas then bypasses the joint part of the two semicircular plates and enters the upper space, and the flue gas is further released, so that more water particles fall into the second water flowing groove.
The flue gas gets into the left and right sides wall of two S vortex boards in aqueous, and left and right sides wall is concave and communicates with the flue gas outflow passageway, therefore, the pressure of flue gas weakens, and the flue gas releases from aqueous at this moment to under the effect of the lower part semicircle board baffle of two S vortex boards, produce the turbulent flow, the turbulent flow throws away the water droplet of flue gas with granule into first basin. The flue gas is then further extruded into the circular arc-shaped space at the upper part of the double-S vortex plate, and the flow speed in various spaces is further slowed down, so that more water-carrying particles drop down and fall into the second water flowing groove.
Step 7, flue gas dehumidification treatment: the flue gas passes through the dehydrator to remove most of the moisture in the flue gas.
The flue gas passing through the water body carries a large amount of water vapor, and the water vapor is removed through the dehydrator to reduce the influence on the environment although the particles and the water are removed twice through the double S vortex plates.
Step 8, smoke is discharged: the dehumidified flue gas is discharged into the atmosphere through a flue gas output channel.
At this time, the fume exhausted into the atmosphere has few carried particles and only carries a small amount of water, so that the environmental impact is small, and the environmental protection requirement can be completely met.
Example ten:
The present embodiment is an improvement of the ninth embodiment, and is a refinement of the above embodiment with respect to the blower and the shower water control process described in the present embodiment:
According to a control strategy designed in advance, a blower and a spray gate are started, the double-S vortex wet dust collector enters a normal working state, the particle concentration and the moisture in a chimney discharged by the flue gas particle and humidity monitoring sensor are monitored in real time, the air supply quantity and the spray water quantity of the blower are adjusted by a controller according to the monitoring result, meanwhile, the liquid level height in a water accumulation bucket is monitored in real time, and the sludge discharge gate is adjusted to be opened and closed according to the liquid level height.
The electronic control feedback system according to the fifth embodiment is adopted in the present embodiment, and the exhaust flue gas reaches the standard by continuously adjusting the air supply amount and the spray water amount by monitoring the flue gas finally exhausted from the double-S vortex wet dust collector in real time. Meanwhile, because of the spray water, the water quantity in the water accumulation bucket is necessarily increased, so that the water level in the water accumulation bucket needs to be monitored in real time, and according to the increase of the water level, a mud discharge sluice gate is correspondingly opened, so that the water quantity in the water accumulation bucket is maintained at a certain level, and meanwhile, mud water formed by smoke particles can be continuously discharged out of the dust collector.
Finally, it should be noted that the foregoing is merely illustrative of the technical solution of the present invention and not limiting, and although the present invention has been described in detail with reference to the preferred arrangement, it will be understood by those skilled in the art that modifications and equivalent substitutions may be made to the technical solution of the present invention (such as the form of the filtering box, the delivery mode of the discharged fume, the sequence of steps, etc.), without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. A double S vortex wet dust collector comprising: the filter box is characterized in that two double-S-shaped vortex plates are symmetrically arranged in the box body, the inner part of the filter box body is divided into a left part, a middle part and a right part by the double-S-shaped vortex plates, the middle part is communicated with the smoke inlet channel, the left part and the right part are communicated with the smoke outlet channel, a water accumulation bucket is arranged at the bottom of the filter box body, the lower part of the double-S-shaped vortex plates is open to the left part, the middle part and the right part in the filter box body and is immersed by water, the length of the double-S-shaped vortex plates is consistent with the length direction in the filter box body, the cross section of the double-S-shaped vortex plates is in the shape of two semicircles, the connected middle part of the two semicircles forms a second water flowing groove, the middle of the lower semicircle is provided with a baffle plate with an arc which protrudes upwards, and the baffle plate and the side surface of the filter box body form a first water flowing groove; the flue gas enters the left side wall and the right side wall of the double-S vortex plate in water, the left side wall and the right side wall are concave surfaces and are communicated with a flue gas outflow channel, the pressure of the flue gas is weakened, the flue gas is released from the water at the moment, turbulence is generated under the action of a semicircular plate and a baffle plate at the lower part of the double-S vortex plate, and water drops with particles in the flue gas are thrown out into a first flow tank by the turbulence; the flue gas is then further extruded into the circular arc-shaped space at the upper part of the double-S vortex plate, and the flow speed in various spaces is further slowed down, so that more water-carrying particles drop down and fall into the second water flowing groove.
2. The device of claim 1, wherein the bottom of the water accumulation bucket is in an inverted cone shape, a sludge discharge nozzle is arranged at the bottom of the water accumulation bucket, and an electric control sludge discharge sluice gate is arranged on the sludge discharge nozzle.
3. The device according to claim 2, wherein the middle part of the filter box body is provided with a sprayer, and the sprayer is provided with an electric control spray gate.
4. A device according to claim 3, wherein the water accumulation bucket is provided with a liquid level gauge.
5. The device of claim 4, wherein the flue gas output channel is provided with flue gas particles and a humidity monitoring sensor, the flue gas particles and the humidity monitoring sensor are connected with a controller, and the controller is electrically connected with an electric control sludge discharge water gate, an electric control spray gate, a blower and a liquid level meter.
6. The apparatus of claim 5, wherein the flue gas output channel is provided with a water trap.
7. The device of claim 6, wherein the filter housing is provided with access openings on both sides and the top.
8. The apparatus of claim 7, wherein the smoke inlet channel is provided with viewing windows on both sides.
9. A double S vortex wet dedusting method using the apparatus of claim 8, characterized in that the method comprises the steps of:
Step 1, designing the shape of a double S-shaped vortex plate: the curved surface shape of the double-S vortex plate is calculated and designed through fluid according to the size and the mass of smoke particles and the input quantity of smoke, so that a water body can fully contact or mix dust-containing smoke, and the water can be reduced from being carried out of equipment;
Step2, designing a coping control strategy: the size and mass of the smoke particles and the flow rate of the smoke determine a control coping strategy through fluid calculation, and the method comprises the following steps: blast capacity, spray water quantity, muddy water discharge quantity, water level control of a water accumulation bucket and smoke discharge quality control;
step 3, water injection in the water accumulation bucket: water is injected into the water accumulation bucket to submerge the lower part of the double-S vortex plate, and the double-S vortex plate separates the left part, the middle part and the right part in the filter box body;
Step 4, entering smoke: under the pushing of the blower, the flue gas enters the middle part of the filtering box body divided by the double S vortex plates through the flue gas inlet channel under the action of the flow guider, and sprays water; under the action of the convex curved surfaces of the two side walls of the middle part, the smoke is extruded to generate turbulent flow, and under the combined action of extrusion of the protruding wall plates at the two sides and spray water, the smoke is pushed to move downwards to impact the water body in the water accumulation bucket;
Step 5, the flue gas enters a water body: air in the middle part of the filter box body is extruded downwards into the water body of the water accumulation bucket, the smoke is fully contacted with the water body, and the water body absorbs a large amount of particles in the smoke;
step 6, releasing the flue gas from the water body: under the pressure, the smoke in the water can only be released from the left and right side walls divided by the double-S vortex plate and enters the two side walls of the filtering box body to rise; in the rising process, firstly, a baffle plate is encountered, under the action of the concave bottom of the baffle plate, the square flue gas generates vortex, water particles in part of the flue gas are blocked from being in water, the other part of the water particles rise to bypass the baffle plate, under the action of the convex top of the baffle plate, the water particles partially fall down into a first flow channel, the flue gas then bypasses the joint part of two semicircular plates and enters an upper space, and the flue gas is further released, so that more water particles fall into a second flow channel; the flue gas enters the left side wall and the right side wall of the double-S vortex plate in water, the left side wall and the right side wall are concave surfaces and are communicated with a flue gas outflow channel, the pressure of the flue gas is weakened, the flue gas is released from the water at the moment, turbulence is generated under the action of a semicircular plate and a baffle plate at the lower part of the double-S vortex plate, and water drops with particles in the flue gas are thrown out into a first flow tank by the turbulence; then the flue gas is further extruded into a circular arc-shaped space at the upper part of the double-S vortex plate, and the flow speed in various spaces is further slowed down, so that more water-carrying particles are lowered and fall into a second water flowing groove;
Step 7, flue gas dehumidification treatment: the flue gas passes through a dehydrator to remove most of water in the flue gas;
Step 8, smoke is discharged: the dehumidified flue gas is discharged into the atmosphere through a flue gas output channel.
10. The wet dust removal method according to claim 9, wherein the blower and shower water control process:
According to a control strategy designed in advance, a blower and a spray gate are started, the double-S vortex wet dust collector enters a normal working state, the particle concentration and the moisture in a chimney discharged by the flue gas particle and humidity monitoring sensor are monitored in real time, the air supply quantity and the spray water quantity of the blower are adjusted by a controller according to the monitoring result, meanwhile, the liquid level height in a water accumulation bucket is monitored in real time, and the sludge discharge gate is adjusted to be opened and closed according to the liquid level height.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2724815Y (en) * | 2004-09-13 | 2005-09-14 | 闫玉德 | Impacting type apparatus for sulphur-removing and dust-removing |
| KR102257711B1 (en) * | 2020-10-30 | 2021-06-01 | 한국지질자원연구원 | Vortex washing type dust collector |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1031193A (en) * | 1987-08-10 | 1989-02-22 | 刘海根 | Gas washer with screwing fluid |
| CN2522749Y (en) * | 2002-01-11 | 2002-11-27 | 王力 | Efficient dust remover |
| KR100745810B1 (en) * | 2007-03-15 | 2007-08-02 | 홍은표 | Scrubber |
| CN103203147B (en) * | 2013-05-02 | 2014-12-17 | 东北大学 | Spraying water storage impact type internal circulating dust remover and dust removal method |
| CN106984100A (en) * | 2017-05-27 | 2017-07-28 | 赵萍 | The special dedusting of LD type wet desulphurizations removes water unit |
| CN109078419A (en) * | 2017-06-13 | 2018-12-25 | 美的集团股份有限公司 | Air purifier |
| CN110384991A (en) * | 2019-08-13 | 2019-10-29 | 广东慧风环保科技有限公司 | The mixed dynamic Water curtain machine of scrollwork cyclone |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2724815Y (en) * | 2004-09-13 | 2005-09-14 | 闫玉德 | Impacting type apparatus for sulphur-removing and dust-removing |
| KR102257711B1 (en) * | 2020-10-30 | 2021-06-01 | 한국지질자원연구원 | Vortex washing type dust collector |
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