CN105169851A - Device and method for modulating liquid phase resonance water attack of auto-excitation type deduster - Google Patents
Device and method for modulating liquid phase resonance water attack of auto-excitation type deduster Download PDFInfo
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- CN105169851A CN105169851A CN201510521363.4A CN201510521363A CN105169851A CN 105169851 A CN105169851 A CN 105169851A CN 201510521363 A CN201510521363 A CN 201510521363A CN 105169851 A CN105169851 A CN 105169851A
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Abstract
The invention discloses a device and method for modulating liquid phase resonance water attack of auto-excitation type deduster. The device is arranged between an orifice and a contact chamber, and is composed of a set of baffle plates, the structure composed of the baffle plates is arranged under the liquid surface in a water storage box and is capable of absorbing the waving energy of the liquid surface; the baffle plates are criss-crossly arranged, each baffle plate is vertical to the liquid surface, and the vertical baffle plates that is perpendicular to the flowing direction of the dedusting air flows are provided with energy dissipating holes. When a deduster is operated, a large amount of liquid is brought into the rear part of a water storage tank by the air flows, thus a large liquid level difference is formed between the rear part and front part of a dedusting cavity, at the same time, a resonance water attack phenomenon is generated; the baffle plates can inhibit the large fluctuation of liquid surface in the vertical and horizontal directions so as to eliminate the resonance water attack phenomenon; at the same time, the baffle plates are provided with a certain porosity, so dedusting liquid can flow back and forth in the water storage box, and the dedusting liquid in the front part of the water storage box can be supplemented in time; and the device can maximally reduce dust escape due to the large fluctuation of liquid surface, improves the comprehensive dedusting efficiency of auto-excitation type deduster, and eliminates the hazards that the equipment is damaged by resonance water attack.
Description
Technical field
The present invention relates in a kind of self-induced scrubber course of work, for regulate and control its liquid phase resonance water attack apparatus and method, be specially a kind of regulate and control self-induced scrubber liquid phase resonance water attack apparatus and method.
Background technology
Self-induced scrubber structure is simple, easy to maintenance, cost is lower, is the conventional environmental protection equipment that the maximum discharge industry fine particles such as mining industry, metallurgy and Coal Chemical Industry reduce discharging, and obtains a wide range of applications.But find in practical application, in the self-induced scrubber course of work, in certain flow rates, due to the intrinsic frequency of its liquid level and air-flow by time Pneumatic immpacting frequency close to (or close with the integral multiple of Pneumatic immpacting frequency), therefore cause covibration, make the restriction place of deduster produce strong resonance water hammer.
When water attack occurs, the liquid level in deduster produces fluctuation phenomenon back and forth, causes the liquid level at restriction place fluctuated.When liquid level is in a high position, liquid phase blocking flow channels makes air-flow pass through; When liquid level is in low level, flow channels is comparatively large, and dust-contained airflow is smooth and easy by (causing dust to escape) at ullage, causes deduster to lose efficacy to the trapping of dust, have impact on deduster combined dust-eliminating efficiency.Meanwhile, water attack of resonating also threatens deduster structural safety to a certain extent.
Summary of the invention
The object of the invention is for self-induced scrubber resonance water hammer propose a kind of regulate and control self-induced scrubber liquid phase resonance water attack apparatus and method, it can eliminate the resonance water hammer of self-induced scrubber, improve deduster combined dust-eliminating efficiency, eliminate the security threat to equipment that resonance water attack brings simultaneously.
The technical solution adopted for the present invention to solve the technical problems is: a kind of regulate and control self-induced scrubber liquid phase resonance water attack device, this device is between restriction and contact chamber, being one group, be movably installed under water storage box liquid level can the baffle arrangement of absorbing liquid ground roll kinetic energy, baffle plate is arranged by crisscross mode, each baffle plate is all vertical with liquid level, baffle plate is no less than 5cm from water storage box distance from bottom, and Weir Plate Thickness is no less than 5cm; Longitudinal baffle spacing along the arrangement of dedusting air current flow direction is 25-35cm, and the transverse baffle spacing perpendicular to the arrangement of dedusting air current flow direction is 20cm; Wherein, longitudinal baffle is provided with energy dissipating hole, and its porosity is 40%-60%, and hole is circular, and aperture is 3cm, is staggered; Described longitudinal baffle arranges different size, and under the state of liquid level, the longitudinal baffle end face distance water storage box liquid level being positioned at restriction front portion is no less than 15cm, and the longitudinal baffle end face distance water storage box liquid level being positioned at restriction rear portion is no less than 2cm; Described transverse baffle is set to stepped, and the height of each rank transverse baffle is equal with the height being vertically connected at longitudinal baffle in this stage respectively; The cross-sectional area of described longitudinal baffle and the ratio of liquid phase cross-sectional area are between 1/4-2/5.
A kind of regulate and control self-induced scrubber liquid phase resonance water attack method, the method is by means of the inhibition of baffle plate to the resonance liquid level that dust-contained airflow impact liquid level is formed, absorb liquid fluctuating kinetic energy, break liquid level intrinsic frequency, eliminate resonance water attack, reach the object of regulation and control liquid phase resonance water attack, concrete steps are:
Large quantity of fluid near step 1) restriction is carried into the opposite side of water storage box by dust-contained airflow, the water level at restriction place is made to be starkly lower than water storage box opposite side water level, form liquid level difference, the impact of air-flow to liquid level simultaneously makes liquid in whole water storage box produce resonance water hammer, and periodic fluctuation appears in liquid surface;
Step 2) be in the liquid of water storage box high water level side by being arranged on backflow supplementary low water level side, the energy dissipating hole liquid on the longitudinal baffle in water storage box, and the kinetic energy of energy dissipating hole consumable liquid vibration, now Wave energy major part is absorbed layer by layer by each road longitudinal baffle;
The fluctuation of liquid in water storage box laterally blocks by the transverse baffle in step 3) water storage box, and be limited in zonule that transverse baffle separates, energy major part is absorbed by transverse baffle;
In step 4) water storage box, the energy of liquid fluctuation is arranged on a series of different size in water storage box, after the baffle plate of arranging in length and breadth absorbs, resonance water hammer is eliminated thereupon, reduce the dust escape because liquid level fluctuation causes to greatest extent, ensure that flowing freely of liquid in water storage box simultaneously, improve the efficiency of dust collection of equipment to fine dust.
The invention has the beneficial effects as follows: when deduster runs, large quantity of fluid is driven by air-flow and enters water storage box rear portion, make to form larger liquid level difference before and after dedusting chamber, produce resonance water hammer (liquid level produces fluctuation at whole liquid level) simultaneously, the effect of baffle plate is in the horizontal and vertical fluctuation hindering liquid level, eliminates the generation of resonance water hammer.Baffle plate arranges certain porosity, ensures that in water storage box, dedusting liquid flows before and after water storage box, ensures dedusting liquid supplementing the anterior dedusting liquid of water storage box.Apparatus and method of the present invention eliminate the resonance water hammer of self-induced scrubber liquid phase, reduce the dust escape because liquid level fluctuation causes to greatest extent, improve self-induced scrubber combined dust-eliminating efficiency, and eliminate the equipment damage brought of resonance water attack and threaten.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and it just forms the part of this description to explain the present invention further, is not construed as limiting the invention.
Fig. 1 is the example structure schematic diagram of the device of regulation and control self-induced scrubber liquid phase resonance water attack.
Fig. 2 is the top view of baffle arrangement.
Fig. 3 is the structural representation of longitudinal baffle.
Fig. 4 is the structural representation of transverse baffle.
In figure, 1. water storage box, 2. channel of gas collection, 3. restriction, 4. baffle plate, 41. longitudinal baffles, 42. transverse baffles, 43. energy dissipating hole, 5. contact chamber, 6. dewatering station, 7. blower fans.
Detailed description of the invention
Below with reference to accompanying drawing, the present invention is described in further detail.
As shown in drawings, a kind of regulate and control self-induced scrubber liquid phase resonance water attack device, this device is between restriction 3 and contact chamber 5, being one group, be movably installed under water storage box 1 liquid level can the baffle arrangement of absorbing liquid ground roll kinetic energy, baffle plate 4 is arranged by crisscross mode, each baffle plate 4 is all vertical with liquid level, and baffle plate 4 is no less than 5cm from water storage box distance from bottom, and baffle plate 4 thickness is no less than 5cm; The surrounding of baffle plate 4, bottom or surrounding and bottom arrange attaching parts simultaneously, and attaching parts arrange installing hole, and on water storage box 1, corresponding installing hole is arranged and through the bolt of installing hole, can be connected by baffle plate 4 by nut with water storage box 1; Also connector can be set in the surrounding of baffle plate, at the madial wall of water storage box, vertical mounting groove is set, installed part can insert mounting groove from the top slide of mounting groove, the both sides of mounting groove are provided with the stopping means that baffle plate can be limited to certain altitude, stopping means can be connecting rod, connecting rod arranges bolt hole with correspondence on installed part, is fixed by bolt baffle plate and casing; Longitudinal baffle 41 spacing along the arrangement of dedusting air current flow direction is 25-35cm, and transverse baffle 12 spacing perpendicular to the arrangement of dedusting air current flow direction is 20cm; Wherein, longitudinal baffle 41 is provided with energy dissipating hole 43, and its porosity is 40%-60%, and hole is circular, and aperture is 3cm, is staggered; Described longitudinal baffle 41 arranges different size, under the state of liquid level, longitudinal baffle 41 end face distance water storage box 1 liquid level being positioned at restriction 3 front portion is no less than 15cm, and longitudinal baffle 41 end face distance water storage box 1 liquid level being positioned at restriction 3 rear portion is no less than 2cm; Described transverse baffle 42 is set to stepped, and the height of each rank transverse baffle 42 is equal with the height being vertically connected at longitudinal baffle 41 in this stage respectively; The cross-sectional area of described longitudinal baffle 41 and the ratio of liquid phase cross-sectional area are between 1/4-2/5.
A kind of regulate and control self-induced scrubber liquid phase resonance water attack method, the inhibition of the resonance liquid level that the method is formed by means of baffle plate 4 pairs of dust-contained airflow impact liquid levels, absorb liquid fluctuating kinetic energy, change liquid level intrinsic frequency, eliminate resonance water attack, reach the object of regulation and control liquid phase resonance water attack, concrete steps are:
Large quantity of fluid near step 1) restriction 3 is carried into the opposite side of water storage box 1 by dust-contained airflow, the water level at restriction 3 place is made to be starkly lower than water storage box 1 opposite side water level, form liquid level difference, the impact of air-flow to liquid level simultaneously makes liquid in whole water storage box 1 produce resonance water hammer, and periodic fluctuation appears in liquid surface;
Step 2) be in the liquid of water storage box 1 high water level side by being arranged on backflow supplementary low water level side, energy dissipating hole 43 liquid on the longitudinal baffle 41 in water storage box 1, and the kinetic energy of energy dissipating hole 43 consumable liquid vibration, now Wave energy major part is absorbed layer by layer by each road longitudinal baffle 41;
The fluctuation of liquid in water storage box 1 laterally blocks by the transverse baffle 42 in step 3) water storage box 1, and be limited in zonule that transverse baffle 42 separates, energy major part is absorbed by transverse baffle 42;
In step 4) water storage box 1, the energy of liquid fluctuation is arranged on a series of different size in water storage box 1, after the baffle plate 4 of arranging in length and breadth absorbs, resonance water hammer is eliminated thereupon, reduce the dust escape because liquid level fluctuation causes to greatest extent, ensure that flowing freely of liquid in water storage box simultaneously, improve the efficiency of dust collection of equipment to fine dust.
The application of the present invention in the self-induced scrubber course of work, as shown in Figure 1:
Step 1) opens blower fan 7, and equipment is started working, and dust-contained airflow enters through channel of gas collection 2 left end, to right side flow after channel of gas collection 2 rectification;
Step 2) when rectification air-flow flow to restriction 3, increased by the gas velocity of throttling, impact restriction 3 place liquid level and evoke a large amount of water droplet;
Large quantity of fluid near step 3) restriction 3 is carried on the right side of water storage box 1 by dust-contained airflow, makes restriction 3 place water level be starkly lower than water storage box 1 right part water level, forms liquid level difference; The impact of air-flow to liquid level simultaneously makes liquid in whole water storage box 1 produce resonance water hammer, and periodic fluctuation appears in liquid surface; When liquid on the right side of water storage box 1 refluxes supplementary left side liquid by the energy dissipating hole 43 be arranged on the longitudinal baffle 41 in water storage box 1, Wave energy major part is absorbed layer by layer by each road longitudinal baffle 41; In water storage box 1, transverse baffle 42 does not arrange energy dissipating hole 43, the fluctuation of liquid in water storage box 1 is laterally blocked, and be limited in zonule that transverse baffle 42 separates, energy major part is absorbed by transverse baffle 42; Described in brought forward, in water storage box 1, the energy of liquid fluctuation is arranged on a series of different size in water storage box 1, after the baffle plate 4 of arranging in length and breadth absorbs, resonance water hammer is eliminated thereupon, reduce the dust escape because liquid level fluctuation causes to greatest extent, ensure that flowing freely of liquid in water storage box 1 simultaneously, improve the efficiency of dust collection of equipment to fine dust;
Step 4) water droplet traps the fine dust in dust-contained airflow in contact chamber 5, thus reaches the effect of purification dust-contained airflow;
Step 5) splash the dehydrated room 6 of drop in baffle plate dam, be back to bottom water storage box 1 in, the air-flow after purification through blower fan 7 discharged to air.
Replacing adjustment can be highly carried out according to different operating situation to baffle plate 4 quantity and each baffle plate 4 good for reach best elimination ripple effect during embody rule.
When after equipment work a period of time, blower fan 7 can be stopped, carrying out desilting by baffle plate bottom space in water storage box 1.
Described blower fan 7, for whole device provides power, by frequency converter adjusting rotary speed.
Claims (9)
1. one kind regulates and controls the device of self-induced scrubber liquid phase resonance water attack, it is characterized in that, this device is between restriction and contact chamber, being one group, be movably installed under water storage box liquid level can the baffle arrangement of absorbing liquid ground roll kinetic energy, baffle plate is arranged by crisscross mode, each baffle plate is all vertical with liquid level, and wherein, the longitudinal baffle perpendicular to dedusting air current flow direction is provided with energy dissipating hole.
2. according to claim 1 a kind of regulate and control self-induced scrubber liquid phase resonance water attack device, it is characterized in that, longitudinal baffle spacing along the arrangement of dedusting air current flow direction is 25-35cm, and the transverse baffle spacing perpendicular to the arrangement of dedusting air current flow direction is 20cm.
3. according to claim 1 a kind of regulate and control self-induced scrubber liquid phase resonance water attack device, it is characterized in that, described longitudinal baffle arranges different size, under the state of liquid level, the longitudinal baffle end face distance water storage box liquid level being positioned at restriction front portion is no less than 15cm, and the longitudinal baffle end face distance water storage box liquid level being positioned at restriction rear portion is no less than 2cm.
4. according to claim 3 a kind of regulate and control self-induced scrubber liquid phase resonance water attack device, it is characterized in that, described transverse baffle is set to stepped, and the height of each rank transverse baffle is equal with the height being vertically connected at longitudinal baffle in this stage respectively.
5. according to claim 1 a kind of regulate and control self-induced scrubber liquid phase resonance water attack device, it is characterized in that, the cross-sectional area of described longitudinal baffle and the ratio of liquid phase cross-sectional area are between 1/4-2/5.
6. according to claim 1 a kind of regulate and control self-induced scrubber liquid phase resonance water attack device, it is characterized in that, the porosity of described longitudinal baffle is 40%-60%, hole be circle, aperture is 3cm, is staggered.
7. according to claim 1 a kind of regulate and control self-induced scrubber liquid phase resonance water attack device, it is characterized in that, described baffle plate is no less than 5cm from water storage box distance from bottom
According to claim 1 a kind of regulate and control self-induced scrubber liquid phase resonance water attack device, it is characterized in that, described Weir Plate Thickness is no less than 5cm.
8. according to claim 1 a kind of regulate and control the device of self-induced scrubber liquid phase resonance water attack, it is characterized in that, described baffle plate with store the mode that liquid case employing activity installs.
9. one kind regulates and controls the method for self-induced scrubber liquid phase resonance water attack, it is characterized in that, the method is by means of the inhibition of baffle plate to the resonance liquid level that dust-contained airflow impact liquid level is formed, absorb liquid fluctuating kinetic energy, break liquid level intrinsic frequency, eliminate resonance water attack, reach the object of regulation and control liquid phase resonance water attack, concrete steps are:
Large quantity of fluid near step 1) restriction is carried into the opposite side of water storage box by dust-contained airflow, the water level at restriction place is made to be starkly lower than water storage box opposite side water level, form liquid level difference, the impact of air-flow to liquid level simultaneously makes liquid in whole water storage box produce resonance water hammer, and periodic fluctuation appears in liquid surface;
Step 2) be in the liquid of water storage box high water level side by being arranged on backflow supplementary low water level side, the energy dissipating hole liquid on the longitudinal baffle in water storage box, and the kinetic energy of energy dissipating hole consumable liquid vibration, now Wave energy major part is absorbed layer by layer by each road longitudinal baffle;
The fluctuation of liquid in water storage box laterally blocks by the transverse baffle in step 3) water storage box, and be limited in zonule that transverse baffle separates, energy major part is absorbed by transverse baffle;
In step 4) water storage box, the energy of liquid fluctuation is arranged on a series of different size in water storage box, after the baffle plate of arranging in length and breadth absorbs, resonance water hammer is eliminated thereupon, reduce the dust escape because liquid level fluctuation causes to greatest extent, ensure that flowing freely of liquid in water storage box simultaneously, improve the efficiency of dust collection of equipment to fine dust.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510521363.4A CN105169851B (en) | 2015-08-24 | 2015-08-24 | Device and method for modulating liquid phase resonance water attack of auto-excitation type deduster |
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| CN201510521363.4A CN105169851B (en) | 2015-08-24 | 2015-08-24 | Device and method for modulating liquid phase resonance water attack of auto-excitation type deduster |
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| CN105169851B CN105169851B (en) | 2017-03-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105806643A (en) * | 2016-05-24 | 2016-07-27 | 中国矿业大学 | Identification method and device for gas-liquid mixing state of dust remover |
| CN109381938A (en) * | 2018-11-12 | 2019-02-26 | 颍上县聚鑫再生资源有限公司 | A kind of dust-extraction unit |
| CN110652823A (en) * | 2019-10-28 | 2020-01-07 | 中国矿业大学 | Self-excitation type dust removal device for coal dressing and dust removal method thereof |
| CN114232110A (en) * | 2021-12-22 | 2022-03-25 | 荣成碳纤维科技有限公司 | Coagulating bath with bath liquid surface fluctuation control device |
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| CN114232110A (en) * | 2021-12-22 | 2022-03-25 | 荣成碳纤维科技有限公司 | Coagulating bath with bath liquid surface fluctuation control device |
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Address after: 221116 No. 1 University Road, copper mountain, Jiangsu, Xuzhou Patentee after: China University of Mining & Technology Address before: 221116 Xuzhou University Road,, Jiangsu, China University of Mining and Technology Patentee before: China University of Mining & Technology |