CN1837109A - Press type sludge dehydration equipment - Google Patents
Press type sludge dehydration equipment Download PDFInfo
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- CN1837109A CN1837109A CN 200610060194 CN200610060194A CN1837109A CN 1837109 A CN1837109 A CN 1837109A CN 200610060194 CN200610060194 CN 200610060194 CN 200610060194 A CN200610060194 A CN 200610060194A CN 1837109 A CN1837109 A CN 1837109A
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Abstract
The invention discloses a pressing type sludge dewatering device, which comprises the straining chamber with feed head and outfall on the jamb wall, wherein the feed head connects to sludge transfer pump; the face side of filter pad is bundled by chain cloth; the filter pad installs colature discharging channel connecting to outfall; the straining chamber is cartridge-form straining chamber; the front end of straining chamber is sealed by openable thrust cover board; the rear end of straining chamber is sealed by the baffle; the filter pad is instaleed in straining chamber opposite thrust cover board; the circumferential of filter pad clings to cartridge-chamber of straining chamber; the opposite sides of filter pad connects to gas piston, which crosses the baffle and realizes the axial shuttle with connecting bar next to gas piston relying on the first propulsion plant; the outfall is between baffle and filter pad; the feed head is located between pulling-cover board and filter pad; the primary sludge is pressed by pressure of transfer pump; the sludge after primary pressing is pressed with more pressure by gas piston, so the squeeze ratio of sludge improves.
Description
Technical field
The present invention relates to a kind of solid and liquid be carried out the isolating equipment of two-phase, relate in particular to a kind of pressure filter that mud is dewatered.
Background technology
Solid and liquid are carried out the isolating equipment of two-phase be widely used in industries such as chemical industry, sugaring, pharmacy, food, ore dressing, sewage disposal.Existing pressure filter is divided according to its concrete structure, plate type pressure filter is generally arranged, belt filter press and vacuum press filter etc., with the plate type pressure filter is example, its primary structure is: each filter chamber of pressure filter is made of many groups filter plate, on each filter plate, be enclosed with filter cloth, each filter plate center is equipped with filter pulp and is pressed into hole and filtrate discharge passage, be pressed into the hole by transferpump by filter pulp, the filter pulp or the mud of certain water ratio are compressed into each filter chamber, by the filter cloth in the filter chamber solid and liquid are separated, liquid is discharged by the fistulae that is arranged on the filter plate bottom, and solid is retained in low filter residue or the mud cake of press of formation water ratio in the filter chamber.Mud cake of press after press filtration is delivered to destructor plant burning, landfill or direct landfill.
Above-mentioned major defect of carrying out the pressure filter of solid-liquid separation is: because the filter chamber space invariance maybe can only have less variation, the effect of press filtration depends primarily on the transfer pressure of transferpump, be about about 90% through filter residue after the press filtration or mud cake of press water ratio, still higher, because dewatering efficiency is undesirable, especially for sludge treatment, mud cake of press volume after the press filtration is still bigger, as direct landfill, then take up an area of more, insufficient to the utilization of resources in disposal site; As landfill again after burning, then because of moisture many very power consumptions, the subsequent treatment cost to mud raises in a word, and is uneconomical.
Summary of the invention
For overcoming the defective of above-mentioned prior art, the press type sludge dehydration equipment that provides a kind of dewatering efficiency higher is provided technical problem to be solved by this invention.
For solving the problems of the technologies described above, the present invention proposes a kind of press type sludge dehydration equipment, comprises that sidewall has the filter chamber of opening for feed and water port, and described opening for feed and mud transferpump join; The front is enclosed with the filter plate of filter cloth, and described filter plate is provided with the filtrate discharge passage that communicates with described water port, and described filter chamber is the tubular filter chamber, and the front end of described filter chamber then seals by baffle plate by the thrust cover plate for sealing that can open, rear end; Described filter plate places among the described filter chamber and with described thrust cover plate and establishes in opposite directions, and the periphery of filter plate is close to described filter chamber barrel; The back side of described filter plate also is connected with piston, crosses described baffle plate and relies on first power set to realize axially moving back and forth with the affixed connecting rod of described piston; Described water port is between described baffle plate and filter plate; Described opening for feed is between described thrust cover plate and filter plate.
After adopting said structure, when elementary mud by transferpump after opening for feed is pressed into filter chamber, utilize the pressure of transferpump to carry out preliminary press filtration at first in due form, impose higher pressure by the mud of piston after again and squeeze, thereby can improve the effect of sludge dewatering greatly preliminary press filtration.
Below will be by embodiment and the present invention is described in detail in conjunction with the accompanying drawings
Description of drawings
Fig. 1 is the cross-sectional view of a kind of embodiment of press type sludge dehydration equipment of the present invention;
Fig. 2 is the facade structures synoptic diagram of a kind of embodiment of press type sludge dehydration equipment of the present invention.
Embodiment
With reference to accompanying drawing 1, in a kind of implementation of the present invention, press type sludge dehydration equipment comprises that specifically sidewall has the filter chamber 1 of opening for feed 12 and water port 13, and filter chamber 1 can be placed, be fixed on the frame 11, and opening for feed 12 joins with the mud transferpump in due form; Also comprise filter plate 4, filter plate 4 forwards are in the face of the surface of filter chamber 1, and promptly the front of filter plate 4 is enclosed with filter cloth 3, and filter plate 4 is provided with the filtrate discharge passage 43 that communicates with water port 13; The present invention is the tubular filter chamber with filter chamber 1 especially, and the port of the front end of filter chamber 1 covers by the thrust cover plate that can open 5 sealings, and the rear end of filter chamber 1 is then by baffle plate 11 sealings; Filter plate 4 places among the filter chamber 1 and with thrust cover plate 5 and establishes in opposite directions, and the periphery of filter plate 4 is close to the barrel of filter chamber 1; The present invention also is connected with piston 6 at the back side of filter plate 4, cross baffle plate 11 and with the connecting rod 7 that piston 6 is fixed together, then rely on first power set to realize axially moving back and forth; Whole like this pressure filter becomes a kind of pressure filter of press type.
Usually, water port 13 need be between baffle plate 11 and filter plate 4; And opening for feed 12 general filter chamber tube sidewalls between thrust cover plate 5 and filter plate 4, so that mud can inject filter chamber smoothly, the moisture content in the mud can flow to water port 13 by filter cloth 3, filtrate discharge passage 43 successively and realize that solid, liquid two-phase separates after press filtration.
Above-mentioned first power set can adopt oil press commonly used 8, as shown in Figure 2, the oil cylinder 81 of oil press is installed in the rear end of connecting rod 7, perhaps connecting rod 7 is socketed among the outer wall 82 of oil cylinder 81 in due form, hydraulic efficiency oil injects also from oil-in 83, and drivening rod 7 realizations axially move back and forth, certainly, this first power set also can adopt gear or the spiral interlinkage that is driven by actuating unit, as long as its output shaft can realize and connecting rod 7 reciprocal interlocks, and then the interior mud of 6 pairs of filter chambers of piston is further squeezed get final product; Because the serial verb construction of these power machines itself is not essence of the present invention place, has extensively applied to a plurality of fields in practice yet, no longer it is carried out special, detailed giving unnecessary details at this.
The present invention in use, thrust cover plate 5 is with the front end port sealing of filter chamber 1, mud is pressed into the filter chamber 1 of tubular by opening for feed 12 by the transferpump (not shown), utilize the pressure of transferpump that the higher mud of importing of water content is carried out preliminary press filtration, after this, drive the mud of pistons after by oil press 8 again and impose higher pressure and squeeze, improve the dehydration rate of sludge press filtration preliminary press filtration, further reduce the volume of mud cake of press, and then reduce the subsequent treatment cost of mud cake of press.Mud is after pressure filter press filtration of the present invention, and thrust cover plate 5 is opened, and the mud cake of press is directly released by piston and filter plate, empties filter chamber, and is very convenient.
Generally speaking, the mud that injects filter chamber is at pressure-filtering process, comparatively abundant near near the sludge dewatering filter cloth and the filter plate, gained mud cake of press density is bigger, this might cause the press filtration retardance, reduce filter cloth press filtration usefulness, for this reason, the present invention is arranged on opening for feed 12 the filter chamber side-walls near filter plate 4 especially, as shown in Figure 1, purpose is to make the higher preliminary sludge of the follow-up water ratio that is pressed at first can occupy the position near filter cloth, can improve the sludge press filtration dehydration rate like this, also can alleviate the degree of press filtration retardance.
The present invention is owing to need carry out the press type dehydration to mud, therefore, the contact site of thrust cover plate 5 and filter chamber 1, when press filtration, good sealing property must be arranged, can bear the pressure that piston passes over, in order to realize that the sealing between thrust cover plate 5 and the filter chamber 1 covers, the present invention is on the said structure basis, as shown in Figure 2, set up first engaging lug 51 in the filter chamber barrel outside, and be articulated in pressure arm 55 on this first engaging lug 51, and pressure arm 55 is provided with compression leg 551, and compression leg 551 is held in the back side of thrust cover plate 5 vertically; The arm body of pressure arm 55 and second oil tappet 56 join, this second oil tappet 56 is flexible according to usual way control by second oil cylinder 561, thereby form by second oil tappet 56 as the arm body of master arm, pressure arm 55 as slave arm, first engaging lug 51 leverage as fulcrum, in other words, the arm that is exactly pressure arm 55 can rely on this second oil tappet 56 to realize the pivot of pressure arm 55 along first engaging lug 51 after joining with second oil tappet 56.
The purpose of design of compression leg 551 is when making pressure arm pressing thrust cover plate 5, can be to thrust cover plate 5 application of force vertically, also can adopt directly that the end and the compression leg 551 of pressure arm 55 is one-body molded in the practice, also can realize this moment thrust cover plate 5 purpose of the application of force vertically, but obviously in the present invention, use compression leg structure as shown in Figure 2, when especially compression leg 551 self is divided into two sections, one end and the thrust cover plate 5 of first sections are affixed, one end and the pressure arm 55 of second sections are affixed, the two segment intermediate phase articulates, can make and make pressure arm 55, when compression leg 551 and thrust cover plate 5, finish size need not accurate especially, can reduce cost of manufacture, improve the accessibility of using.
In order further to improve reliability, the security that thrust cover plate 5 covered, sealed the filter chamber port, the present invention can also do following design, as shown in Figure 2: make the arm body of pressure arm 55 be across thrust cover plate 5; Also set up second engaging lug 52 at filter chamber 1 barrel corresponding to another outside of first engaging lug 51, be articulated with on this second engaging lug 52 and fasten pawl 53, fastening pawl 53 and the 3rd oil tappet 57 joins, equally, the 3rd oil tappet 57 is flexible according to usual way control by the 3rd oil cylinder 571, thereby form by the 3rd oil tappet 57 as master arm, fasten pawl 53 as slave arm, second engaging lug 52 is as the leverage of fulcrum, in other words, fasten exactly after pawl 53 and the 3rd oil tappet 57 join, can rely on the 3rd oil tappet 57 to realize fastening the pivot of pawl 53 along second engaging lug 52, like this when thrust cover plate 5 covers port at filter chamber 1, as fasten end 552 places that pawl 53 can be pressed together on the arm body of pressure arm 55, can guarantee further that then pressure arm is to the pressing of thrust cover plate 5 or the strong degree that supports.
The application of aforementioned second oil tappet 56, the 3rd oil tappet 57 can ensure that thrust cover plate 5 covers, seals the reliability of filter chamber port, security, the nimble property that also can improve the level of automation of pressure filter on the other hand and control on the one hand.For the concrete structure of oil tappet itself, can directly adopt common power oil press mechanism to get final product.
The effect of baffle plate 11 can be sealed the tubular filter chamber on the one hand, prevents that the sewage after press filtration from spilling, and can also be used to setting up connecting rod 7 on the other hand, guarantees the stability of connecting rod 7 when making traverse motion.Be not difficult to find out, connecting rod 7 of the present invention also can be socketed among the outer wall 82 of oil cylinder 81 in due form, the outer wall of oil cylinder 81 directly contacts, is erected in the baffle plate 11, the stability of setting up for the outer wall that further guarantees connecting rod 7 or oil cylinder 81, can also be as shown in Figure 1, be provided with the width fixedly thrust plate 15 bigger at the inboard of baffle plate 11 edge than baffle plate 11, this fixedly thrust plate 15 can also play the effect of control piston stroke, avoid the excessive mud suction drain mouth that causes of travel of piston.
After adopting device of the present invention, when mud by transferpump after opening for feed is pressed into filter chamber, utilize the pressure of transferpump to carry out preliminary press filtration at first in due form, can drop to the water ratio of preliminary sludge about 90% from 99% this moment, execute by the mud of piston after again and squeeze preliminary press filtration, when if the design pressure of piston is enough big, can further the water ratio at mud be dropped to about 70% from 90%, meanwhile, mud cake of press volume dwindles greatly, the subsequent treatment cost prior art of comparing, even can reduce by 50%, economic benefit is considerable; And when landfill mud cake of press, also can save the resource in disposal site, improve the work-ing life in disposal site.
Claims (6)
1. a press type sludge dehydration equipment comprises that sidewall has the filter chamber of opening for feed and water port, and described opening for feed and mud transferpump join; The front is enclosed with the filter plate of filter cloth, described filter plate is provided with the filtrate discharge passage that communicates with described water port, it is characterized in that: described filter chamber is the tubular filter chamber, and the front end of described filter chamber then seals by baffle plate by the thrust cover plate for sealing that can open, rear end; Described filter plate places among the described filter chamber and with described thrust cover plate and establishes in opposite directions, and the periphery of filter plate is close to described filter chamber barrel; The back side of described filter plate also is connected with piston, crosses described baffle plate and relies on first power set to realize axially moving back and forth with the affixed connecting rod of described piston; Described water port is between described baffle plate and filter plate; Described opening for feed is between described thrust cover plate and filter plate.
2. a kind of press type sludge dehydration equipment as claimed in claim 1 is characterized in that: described opening for feed is arranged at the filter chamber side-walls near described filter plate.
3. a kind of press type sludge dehydration equipment as claimed in claim 1 is characterized in that: described power set is an oil press, and rear end and drivening rod that the oil cylinder of described oil press is installed in described connecting rod axially move back and forth.
4. as claim 1,2 or 3 described a kind of press type sludge dehydration equipments, it is characterized in that: also comprise the pressure arm that is articulated on first engaging lug of setting up in the filter chamber barrel outside, described pressure arm is provided with compression leg, and described compression leg is held in the back side of described thrust cover plate vertically; The arm body and second oil tappet of described pressure arm join, and rely on described second oil tappet to realize the pivot of pressure arm along first engaging lug.
5. a kind of press type sludge dehydration equipment as claimed in claim 4 is characterized in that: the arm body of described pressure arm is across described thrust cover plate; Also set up second engaging lug at described filter chamber barrel corresponding to another outside of described first engaging lug, be articulated with the fastening pawl on described second engaging lug, described fastening pawl and the 3rd oil tappet join, and rely on described the 3rd oil tappet to realize fastening the pivot of pawl along second engaging lug, when described thrust cover plate covered at filter chamber, described fastening pawl can be pressed together on the end of described pressure arm arm body.
6. a kind of press type sludge dehydration equipment as claimed in claim 5 is characterized in that: described compression leg is divided into two sections, and an end of first sections and described thrust cover plate are affixed, and an end and the pressure arm of second sections are affixed, and the two segment intermediate phase articulates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610060194XA CN100366318C (en) | 2006-04-06 | 2006-04-06 | Press type sludge dehydration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610060194XA CN100366318C (en) | 2006-04-06 | 2006-04-06 | Press type sludge dehydration equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1837109A true CN1837109A (en) | 2006-09-27 |
| CN100366318C CN100366318C (en) | 2008-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200610060194XA Active CN100366318C (en) | 2006-04-06 | 2006-04-06 | Press type sludge dehydration equipment |
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| CN102126821A (en) * | 2011-04-13 | 2011-07-20 | 鲍则宇 | Pressure dewatering machine for sludge |
| CN102145234A (en) * | 2011-05-04 | 2011-08-10 | 强光初 | Belt-type dewatering filter press |
| CN102249509A (en) * | 2010-08-26 | 2011-11-23 | 天津重力士净化分离技术有限公司 | Apparatus for sludge undertaking, flexible pipe extruding dewatering and transportation, and system thereof |
| CN102432150A (en) * | 2011-10-27 | 2012-05-02 | 苏州市自力化工设备有限公司 | Deep sludge dehydrator |
| CN102614692A (en) * | 2012-03-30 | 2012-08-01 | 黑旋风工程机械开发有限公司 | Experimental device and method for simulating working conditions of filter press |
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