CN104307230B - A kind of filtrate water conservancy diversion silencing means - Google Patents
A kind of filtrate water conservancy diversion silencing means Download PDFInfo
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- CN104307230B CN104307230B CN201410551374.2A CN201410551374A CN104307230B CN 104307230 B CN104307230 B CN 104307230B CN 201410551374 A CN201410551374 A CN 201410551374A CN 104307230 B CN104307230 B CN 104307230B
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- 230000030279 gene silencing Effects 0.000 title claims abstract description 32
- 230000009467 reduction Effects 0.000 claims abstract description 58
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- Filtering Materials (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of filtrate water conservancy diversion silencing means, comprise a cylindrical shell, the top of described cylindrical shell is connected with feed tube, top in described cylindrical shell is provided with guiding device, described guiding device is made up of the interlaced filtrate baffle plate being fixed in described cylinder inboard wall, forms the guiding region of S shape between described filtrate baffle plate; Bottom in described cylindrical shell is provided with silencing means, and the end of silencing means is connected with filtrate discharge pipe, and described silencing means is made up of three layers of hush pipe, and every layer of hush pipe is fixed on described cylinder inboard wall.The present invention is used for making filtrate vapour, aqueous mixtures through buffering and noise reduction in filtrate water discharge process, the sound wave not only making liquid velocity reduction, uniform discharge but also compressed air high-pressure blast can be disperseed to produce, stress release treatment, improve filter press operating efficiency, optimize site work environment, alleviate employee's work load.
Description
Technical field
The invention belongs to mining machinery manufacturing technology field, relate to filter press, be specifically related to a kind of filtrate water conservancy diversion silencing means.
Background technology
Filter press is widely used in the slurry dewatering process of the industries such as the processing of ore pulp mineral and chemical industry, mainly utilize compression pump, ore pulp is pressed in the airtight filter chamber of adjacent two filter plates formation, make filter cloth both sides mineralization pressure poor, ore pulp is by pressure, be aided with the wind action of compressed air high pressure simultaneously, make filtrate through filter cloth and discharge to the channel set of sheet frame corner along filter plate trench flow, and solid material is trapped within formation filter cake in the middle of filter cloth, wherein filtrate and compressed air high-pressure blast directly enter trench in undercurrent mode by steel pipe, become and recycle water, thus realize Separation of Solid and Liquid, after Separation of Solid and Liquid, the solid material of filter press both sides is discharged into feed bin.Filter press, in filter process, after ore pulp is formed filter cake by barrier film squeeze pressure and feed force, need use compressed air high-pressure blast to dry up filter cake, take away portion of water in filter cake.After the process of drying up completes, filtrate water and compressed air high-pressure blast flow into trench by filtrate discharge pipe.In actual production, with PF-25m
2vertical type blotter press is example, the pressure that high pressure dries up wind is 0.65-0.70MPa, under high pressure dries up wind pressure, filtrate and compressed air high-pressure blast mixture in delivery pipe quickly through time, following shortcoming will be there is: 1, the length of filtrate discharge pipe is generally 5-6 rice, filtrate downwards quickly through time, owing to containing the metalliferous mineral particle of about 2 ‰, very large to pipe wear, cause the frequent damaged and replacing of filtrate discharge pipe, shorten the service life of steel pipe, cause equipment failure rate to increase; In addition due to filtrate discharge pipe mouth of pipe distance from bottom trench 300-400mm, the filtrate water flowed out at a high speed impacts on trench ground, and directly from trench, outside splash is in installations and facilities and floor, and severe contamination working environment, increases the labour intensity of employee.2, when compressed air high-pressure blast and filtrate water mixture are subject to larger pressure in less filtrate discharge caliber, powerful sound wave will be produced, when sound wave is by narrow and small discharging tube, high-frequency percussion is there is with tube wall, then brokenly to multi-direction reflection, produce larger noise thus, detect through sound detection decibel instrument, mean value reaches 75-80 decibels, exceed human body and bear standard, long-time operation in such working environment, can cause serious employment injuries to employee's health.
Summary of the invention
When the present invention is in order to solve filter press filtrate row, delivery pipe perishable, problem that noise is large easy to wear, provides a kind of filtrate water conservancy diversion silencing means.
In order to solve the problem, the present invention adopts following technical scheme:
A kind of filtrate water conservancy diversion silencing means, comprise a cylindrical shell, the top of described cylindrical shell is connected with feed tube, and the top in described cylindrical shell is provided with guiding device, described guiding device is made up of the interlaced filtrate baffle plate being fixed in described cylinder inboard wall, forms the guiding region of S shape between described filtrate baffle plate; Bottom in described cylindrical shell is provided with silencing means, and described silencing means is made up of multilayer hush pipe, and every layer of hush pipe is fixed on described cylinder inboard wall, and the noise reduction pipe of orlop hush pipe is connected with filtrate discharge pipe.
Described interlaced filtrate baffle plate is three layers, be followed successively by one-level filtrate baffle plate, secondary filtrate baffle plate and three grades of filtrate baffle plates, the shape of each filtrate baffle plate is identical, the shape of each filtrate baffle plate is 3/4 circle of described cylindrical shell cross section, and periphery and the described cylinder inboard wall of each filtrate baffle plate are suitable.
Described multilayer hush pipe is at least three layers and is followed successively by: one-level hush pipe, secondary hush pipe and three grades of hush pipes; One-level hush pipe is located at the below of three grades of described filtrate baffle plates, and three grades of hush pipes are located at the bottom of described cylindrical shell.
Described one-level hush pipe is identical with three grades of hush pipes, be made up of respectively, and the caliber of this noise reduction pipe is identical with filtrate discharge pipe caliber the noise reduction pipe in the middle of the noise reduction plectane identical with cylinder internal diameter and this noise reduction plectane of suit; Described secondary hush pipe is made up of the secondary noise reduction plectane identical with cylinder internal diameter and even suit 3 secondary noise reduction pipes thereon, and the caliber of this secondary noise reduction pipe is less than the caliber of filtrate discharge pipe.
The noise reduction pipe bottom of described three grades of hush pipes connects with described filtrate discharge pipe.
The caliber of described cylindrical shell is 2.67 times of described filtrate discharge pipe caliber.
The top of described secondary noise reduction pipe exceeds 5-10mm than the bottom of noise reduction pipe above it.
The caliber of described feed tube is identical with the caliber of filtrate discharge pipe.
Beneficial effect of the present invention is: the first half of cylindrical shell of the present invention is guiding device, and the latter half is silencing means.Between filtrate baffle plate, Distance geometry hush pipe pore size is according to filtrate water flow, principle of hydrodynamics, draws in conjunction with the actual reckoning of produced on-site.By guiding device of the present invention, filtrate water is cushioned and water conservancy diversion step by step, makes filtrate water change direction, significantly reduce filtrate water flow velocity, reduce pipe wear degree, extend the life cycle of pipeline, improve operation rate, improve the disposal ability of equipment, solve the problem of filtrate lower row, contaminated environment fast, achieve and flow into trench slowly, equably, improve site work environment, alleviate employee and clean on-the-spot work load.Silencing means of the present invention is three layers; according to aerodynamic principle and fluid mechanics principle; utilizing caliber to increase suddenly and reduce can the principle of dispersed sound waves; three hush pipes are that series system is longitudinally placed, and cut down air flow swirl step by step, thus reach the effect of noise reduction; solve long-term in the high-decibel problem of noise pollution at scene; also solve the heavy metal airborne dust problem because high pressure air-flow produces simultaneously, significantly improve employee's operating environment, protect the career safety & health of worker.The present invention is used for making filtrate vapour, aqueous mixtures through buffering and noise reduction in filtrate water discharge process, the sound wave not only making liquid velocity reduction, uniform discharge but also compressed air high-pressure blast can be disperseed to produce, stress release treatment, improve filter press operating efficiency, optimize site work environment, alleviate employee's work load.When 2.67 times that the caliber of cylindrical shell is described filtrate discharge pipe caliber, when the area of each filtrate baffle plate is 3/4 of described cylindrical shell cross section, the gentle high-pressure blast effect of rushing of water conservancy diversion worry liquid water is best, this device has very strong practicality and versatility, can scale up according to the filtrate discharge pipe of different size model dehydration equipment and make this device, rational in infrastructure, make simple, additionally do not take production site, not only in coloured industry, the industries such as chemical industry, pharmacy, papermaking can also be promoted the use of, of many uses.
Accompanying drawing explanation
Fig. 1. be structural representation of the present invention;
Fig. 2. be one-level filtrate baffle plane figure of the present invention;
Fig. 3. be one-level hush pipe longitudinal section of the present invention;
Fig. 4. be one-level hush pipe cross-sectional view of the present invention;
Fig. 5. be secondary hush pipe longitudinal section of the present invention;
Fig. 6. be secondary hush pipe cross-sectional view of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
A kind of filtrate water conservancy diversion silencing means, comprise cylindrical shell 1, the top of cylindrical shell is connected with feed tube 13, and the top in this cylindrical shell is provided with guiding device, and the bottom in cylindrical shell is provided with silencing means; Guiding device is made up of the interlaced filtrate baffle plate being fixed in described cylinder inboard wall, interlaced filtrate baffle plate is three layers altogether, be followed successively by one-level filtrate baffle plate 3, secondary filtrate baffle plate 6 and three grades of filtrate baffle plates 7, the shape of each filtrate baffle plate is identical, and periphery and described cylindrical shell 1 inwall of each filtrate baffle plate are suitable; The area of each filtrate baffle plate and the ratio of described silencing means cylindrical shell sectional area are 0.73; The ratio of filtrate baffle plate sectional area and guiding region sectional area is 2.75; Form the guiding region of S shape between adjacent filtrate baffle plate, be followed successively by one-level guiding region 4, guiding region 8,5, three grades, secondary guiding region.Described silencing means is three hush pipes longitudinally placed; Be respectively one-level hush pipe 10, secondary hush pipe 11 and three grades of hush pipes 12; Described one-level hush pipe is made up of the one-level noise reduction plectane 101 identical with cylinder internal diameter and the one-level noise reduction pipe 102 be arranged in the middle of this one-level noise reduction plectane 101, described secondary hush pipe 11 is made up of the secondary noise reduction plectane 111 identical with cylinder internal diameter and 3 secondary noise reduction pipes 112,3 secondary noise reduction pipes 112 are uniformly distributed by 120 ° on secondary noise reduction plectane 111, and three grades of hush pipes 12 are identical with one-level hush pipe 11; One-level hush pipe 10 is located at the below of three grades of filtrate baffle plates 7, secondary hush pipe 11 is installed between one-level hush pipe 10 and three grades of hush pipes 12, three grades of noise reduction plectanes of three grades of hush pipes 12 are the bottom of described cylindrical shell 1, the noise reduction pipe bottom of three grades of hush pipes 12 connects filtrate discharge pipe 2, and the caliber of filtrate discharge pipe 2 is identical with described feed tube 13 caliber.
During manufacture, as shown in Figure 1, the periphery of three pieces of filtrate baffle plates of guiding device is connected by welding manner with cylinder inboard wall, and the sectional area of three pieces of filtrate baffle plates is identical, in an interleaved manner longitudinal arrangement in cylindrical shell.During use, for DN150 filtrate discharge pipe caliber, cylindrical shell is DN400 steel pipe, cylindrical shell total height is 0.9 meter, filtrate baffle plate is mostly round, the area of filtrate baffle plate is 3/4 of cylindrical shell cross-sectional area, the filtrate water of output in filter press production process, steam, compressed air high-pressure blast mixture enters water conservancy diversion buffer unit by feed tube 13, flow automatically on one-level filtrate baffle plate 3, retain through one-level filtrate baffle plate 3, filtrate water changes direction after short stay on one-level filtrate baffle plate 3, level 2 buffering region is flowed into from the opening part in another direction of one-level filtrate baffle plate 3 and one-level guiding region 4, the mechanism same with one-level filtrate baffle plate 3, filtrate water is successively by obstruct and the water conservancy diversion of secondary filtrate baffle plate 6, secondary guiding region 5 and three grades of filtrate baffle plates, 7, three grades of guiding regions 8, after three grades of bufferings, water conservancy diversion, filtrate water mass rate of emission significantly reduces, and enters noise reduction region.Guiding device is connected by flange 9 with silencing means, and filtrate water by entering in the filtrate discharge pipe 2 be connected with silencing means after one-level, secondary, three grades of hush pipes, enters trench successively again.The compressed air high-pressure blast mixed with filtrate water, after entering silencing means with filtrate simultaneously, by one-level hush pipe 10, one-level hush pipe 10 is made up of the one-level noise reduction plectane 101 identical with cylinder internal diameter and the one-level noise reduction pipe 102 be arranged in the middle of this one-level noise reduction plectane, one-level noise reduction pipe 102 aperture is about 150mm, is highly 130mm.Enter into the gas in this region, aqueous mixtures is by after one-level noise reduction pipe 102, enter secondary hush pipe 11, secondary hush pipe 11 is made up of 3 secondary noise reduction pipes 112 that the secondary noise reduction plectane 111 identical with cylinder internal diameter is identical with size, secondary noise reduction pipe 112 aperture is about 90mm, be highly 165mm, 3 secondary noise reduction pipes 112 are uniformly distributed by 120 ° on secondary noise reduction plectane 111, the top of secondary noise reduction pipe 112 exceeds about 5-10mm than the bottom vertical range of one-level noise reduction pipe 102, can guarantee that card filtrate can flow in 3 secondary noise reduction pipes 112 after flowing out one-level noise reduction pipe 102 equably.When gas-liquid mixture is by firsts and seconds hush pipe, because the sectional area of pipeline reduces suddenly, the sound wave that gas produces reflects back to Sounnd source direction in sudden change place, and sound wave energy in constantly reflection process weakens gradually, thus reaches the object of noise elimination.Gas-liquid mixture, by after secondary hush pipe 11, enters into three grades of hush pipes, 12, three grades of hush pipes identical with one-level hush pipe, comprises noise reduction plectane and noise reduction pipe, and noise reduction pipe aperture is identical with one-level noise reduction pipe with height.Gas-liquid mixture is made to pass through the long-pending unexpected expansion of stronger pipeline section again, in like manner, the high-frequency sound wave of a part carries out reflecting and disperseing in pipeline sudden change place, and frequency of sound wave is significantly reduced in three grades of hush pipes, and the noise decibel amount that gas produces reduces.
With the dehydration equipment PF-25m that reality uses
3vertical type blotter press and CJXA high energy horizontal pressure filter are example, before water conservancy diversion and silencing means not being installed, pressure-filtering process output filtrate water and compressed air wind mixture directly enter trench by former filtrate discharge pipe, recycling is in production system.Although filtrate discharge pipe can meet emission request, but owing to discharging gas, liquid mixture pressure is larger, the a small amount of metal superfine grain contained and caliber impact mutually, cause pipe wear more serious, and the filtrate that adjustment is discharged from backwash trench out, contaminated equipment facility and site environment, add worker and clean on-the-spot working strength; Moreover high-pressure blast high-speed cruising in relatively little pipeline space, the sound wave that meeting forming frequency is higher, produces ear-piercing noise, damages the physical and mental health of worker.After water conservancy diversion silencing means is installed at former filtrate discharge pipe 2/3 place, air-water mixture is by three grades of guide functions, and mass rate of emission significantly slows down, and can enter trench, improve site work environment with normal gravity speed.Simultaneously, for the noise of the 75-80 decibel that gas sends, utilize the unexpected expansion of caliber and deflation to carry out the principle of noise reduction according to machinery industry (as automobile, motorcycle exhaust pipe noise reduction), cross the feature of discharge in conjunction with filter, made the device of water conservancy diversion of the present invention, noise reduction integration.Gas-liquid mixture is by the poor larger hush pipe in triode footpath, and sound wave can constantly collide, and reflects back to nidus, thus reaches the object reducing frequency of sound wave and acoustic noise reducing.
Claims (8)
1. a filtrate water conservancy diversion silencing means, it is characterized in that: comprise a cylindrical shell (1), the top of described cylindrical shell is connected with feed tube (13), top in described cylindrical shell is provided with guiding device, described guiding device is made up of the interlaced filtrate baffle plate being fixed in described cylinder inboard wall, forms the guiding region of S shape between described filtrate baffle plate; Bottom in described cylindrical shell is provided with silencing means, and described silencing means is made up of multilayer hush pipe, and every layer of hush pipe is fixed on described cylindrical shell (1) inwall, and the noise reduction pipe of orlop hush pipe is connected with filtrate discharge pipe (2).
2. a kind of filtrate water conservancy diversion silencing means according to claim 1, it is characterized in that: described interlaced filtrate baffle plate is three layers, be followed successively by one-level filtrate baffle plate (3), secondary filtrate baffle plate (6) and three grades of filtrate baffle plates (7), the shape of each filtrate baffle plate is identical, the shape of each filtrate baffle plate is 3/4 circle of described cylindrical shell (1) cross section, and periphery and described cylindrical shell (1) inwall of each filtrate baffle plate are suitable.
3. a kind of filtrate water conservancy diversion silencing means according to claim 1, is characterized in that: described multilayer hush pipe is at least three layers and is followed successively by: one-level hush pipe (10), secondary hush pipe (11) and three grades of hush pipes (12); One-level hush pipe (10) is located at the below of three grades of described filtrate baffle plates (7), and three grades of hush pipes (12) are located at the bottom of described cylindrical shell (1).
4. a kind of filtrate water conservancy diversion silencing means according to claim 3, it is characterized in that: described one-level hush pipe (10) is identical with three grades of hush pipes (12), be made up of the noise reduction pipe (102) in the middle of the noise reduction plectane (101) identical with cylinder internal diameter and this noise reduction plectane of suit respectively, and the caliber of this noise reduction pipe (102) is identical with filtrate discharge pipe (2) caliber; Described secondary hush pipe (11) is made up of the secondary noise reduction plectane (111) identical with cylinder internal diameter and even suit 3 secondary noise reduction pipes (112) thereon, and the caliber of this secondary noise reduction pipe (112) is less than the caliber of filtrate discharge pipe (2).
5. a kind of filtrate water conservancy diversion silencing means according to claim 3 or 4, is characterized in that: the noise reduction pipe bottom of described three grades of hush pipes (12) connects with described filtrate discharge pipe (2).
6. a kind of filtrate water conservancy diversion silencing means according to claim 1 and 2, is characterized in that: the caliber of described cylindrical shell (1) is 2.67 times of described filtrate discharge pipe (2) caliber.
7. a kind of filtrate water conservancy diversion silencing means according to claim 4, is characterized in that: the top of described secondary noise reduction pipe (112) exceeds 5-10mm than the bottom of noise reduction pipe above it.
8. a kind of filtrate water conservancy diversion silencing means according to any one of Claims 1-4, is characterized in that: the caliber of described feed tube (13) is identical with the caliber of filtrate discharge pipe (2).
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| CN201410551374.2A CN104307230B (en) | 2014-10-17 | 2014-10-17 | A kind of filtrate water conservancy diversion silencing means |
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| CN105422980A (en) * | 2015-12-14 | 2016-03-23 | 苏州国环环境检测有限公司 | Safety valve muffler |
| CN105422978A (en) * | 2015-12-14 | 2016-03-23 | 苏州国环环境检测有限公司 | Muffler suitable for safety valve for chemical plant |
| CN105422979A (en) * | 2015-12-14 | 2016-03-23 | 苏州国环环境检测有限公司 | Muffler for safety valve for chemical plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2592777B2 (en) * | 1994-03-14 | 1997-03-19 | 株式会社福重プラスチックス | Filtration tank |
| CN2207214Y (en) * | 1994-11-07 | 1995-09-13 | 王文喜 | Fume purifying device using water method |
| JP2001003401A (en) * | 1999-06-25 | 2001-01-09 | Keiichi Fujita | Rainwater storage system |
| CN2765034Y (en) * | 2004-11-12 | 2006-03-15 | 庄志郎 | Plastic pipe |
| JP4533802B2 (en) * | 2005-05-31 | 2010-09-01 | 東京濾器株式会社 | Exhaust gas purification muffler for diesel engine |
| CN201025063Y (en) * | 2007-04-29 | 2008-02-20 | 山西华亿实业有限公司 | Humid dust remover for mine |
| CN201778861U (en) * | 2010-08-23 | 2011-03-30 | 杭州普菲科空分设备有限公司 | Flow around type silencer |
| CN102926441A (en) * | 2012-10-23 | 2013-02-13 | 康泰塑胶科技集团有限公司 | Silencing pipe for drainage |
| CN204159094U (en) * | 2014-10-17 | 2015-02-18 | 金川集团股份有限公司 | A kind of filtrate water conservancy diversion silencing means |
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Effective date of registration: 20240223 Address after: 737100 No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region after: China Address before: 737103 No. 98, Jinchuan Road, Jinchang, Gansu Patentee before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |