CN102743904B - Sealing structure for sludge collecting cylinder and central post of sludge scraping suction dredger - Google Patents
Sealing structure for sludge collecting cylinder and central post of sludge scraping suction dredger Download PDFInfo
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- CN102743904B CN102743904B CN201210252657.8A CN201210252657A CN102743904B CN 102743904 B CN102743904 B CN 102743904B CN 201210252657 A CN201210252657 A CN 201210252657A CN 102743904 B CN102743904 B CN 102743904B
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- rubber ring
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- collecting cylinder
- newel
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Abstract
The invention discloses a sealing structure for a sludge collecting cylinder and a central post of a sludge scraping suction dredger. A rubber ring is fixed to the peripheral surface of the central post through a flange and a fastening ring, the bottom wall of the sludge collecting cylinder is directly placed on the upper surface of the rubber ring, and the sludge collecting cylinder and the rubber ring are clamped by internal and external pressure to realize dynamic seal in rotation. The bottom surface of the bottom wall of the sludge collecting cylinder is in frictional rotary seal with the upper surface of the rubber ring, the contact area is large, clamping seal is realized by the aid of the difference between water level in a tank and sludge level in a sludge collecting tank, so that a fine dynamic seal effect can be obtained, and leakage of clear water is prevented. Moreover, the sealing structure is not easy to abrade, and the service life of a sealing part is effectively prolonged. Abutted seams of an upper rubber ring and a lower rubber ring are mutually staggered, sludge is prevented from leaking from the abutted seams, maintenance is facilitated, consumption of manpower and material resources is greatly reduced, and the sealing structure has a remarkable economic value.
Description
Technical field
The present invention relates to environmental protection equipment field, especially a kind of collection mud cylinder of radial-flow secondary sedimentation tank scraping and sucking machine and the hermetically-sealed construction of newel.
Background technology
Scraping and sucking machine is a kind of visual plant in the waste water of municipal administration, sewage treatment plant, coal mining enterprise, iron and steel enterprise etc., coal slime are processed, collect pond central authorities and discharge outside pond being deposited in mud at the bottom of pond, according to the difference of type of drive, be divided into center driving and peripheral-traction formula.
As shown in Figure 1 and Figure 2, peripheral-traction scraping and sucking machine is arranged on the diametric(al) of radial-flow circular settling tank 13, and service bridge 5 is erected between newel 7 and pond body periphery, at the bottom of the bottom of service bridge 5 is provided with some dredging tubes 4 and extends into pond; The top of service bridge 5 is positioned at liquid level, with the angled skimming plate 11 that is provided with of diameter.Be provided with end carriage drive unit 1 in the outer end of service bridge 5, the collector ring 8 from newel 7 obtains electric and drives service bridge 5 to continue rotation.The outer end that is positioned at pool side service bridge 5 is provided with scrapes slag rake 3, is provided with and overflows mill weir 10, scum board, deslagging bucket 9 at the pool side of circular settling tank 13.When work, treatment sewage enters center Water collecting tube 15 from the water inlet pipe 12 at the bottom of pond, and enter circular settling tank 13 by guide shell 6 current stabilizations, then to surrounding diffusion precipitation, clear water is flowed out from overflowing mill weir 10 through scum board by pool side, at the bottom of pond, sediment is scraped collection to mud suction mouth place by slow rotating cleaning shoe 14, utilize water-head that pool bottom sludge is sucked to siphon dredging tube 4, and the collection mud cylinder 16 that is collected into newel 7 peripheries is discharged.Scum silica frost on circular settling tank 13 liquid levels is driven to periphery by slow rotating skimming plate 11, and collects by scraping slag rake 3, and when through deslagging bucket 9 position, scum silica frost is scraped into deslagging bucket 9, and discharges outside pond by scum pipe 17.
Because collection mud cylinder 16 is followed service bridge 5 and is rotated all the time, and newel 7 is fixed, need to carry out dynamic seal (packing) between the two, the clear water that prevents pond face enters in collection mud cylinder 16, hermetically-sealed construction of the prior art, the hole inner peripheral surface of collection mud cylinder 16 all needs to carry out fine finishining and directly contacts with the outer edge surface of newel 7, and seals by rubber seal.Because the diameter of workpiece is larger, therefore these fine finishining workloads are large, and machining accuracy can not reach good assurance.Rubber parts after working long hours easily wearing and tearing, after inefficacy, cause Seepage reduce sludge concentration, and change operation take time and effort, workload is very big.
Summary of the invention
The shortcomings such as the applicant is easy to wear for the hermetically-sealed construction of above-mentioned existing collection mud cylinder and newel, dynamic seal (packing) weak effect, a kind of collection mud cylinder of scraping and sucking machine rational in infrastructure and the hermetically-sealed construction of newel are provided, thereby can improve service life and the effect of hermetically-sealed construction.
The technical solution adopted in the present invention is as follows:
A kind of collection mud cylinder of scraping and sucking machine and the hermetically-sealed construction of newel, the outer peripheral face of newel is fixed with rubber ring by flange and securing member, the diapire of collection mud cylinder is directly placed on the upper surface of rubber ring, relies on external and internal pressure poor by both compressions, realizes the dynamic seal (packing) in rotation.
Further improvement as technique scheme: described rubber ring is provided with two-layer up and down.
Every circle rubber ring is made up of two lobe semicircular ring, and upper strata rubber ring piece and lower floor's rubber ring piece stagger mutually, and arrangement is orthogonal.
The aperture value of described collection mud cylinder bottom wall is greater than the external diameter value of newel, is less than the external diameter value of rubber ring simultaneously.
The material of rubber ring is acrylonitrile-butadiene rubber.
Beneficial effect of the present invention is as follows:
The present invention utilizes frictional rotation sealing on the diapire bottom surface of collection mud cylinder and the upper surface of rubber ring, and contact-making surface is larger, relies on pool inner water position and mud-collecting slot mud potential difference press seal, therefore can obtain good dynamic seal (packing) effect, prevents the seepage of clear water.And not easy to wear, the life-span of effectively having improved seal.The present invention adopts two-layer rubber ring as seal, and every circle rubber ring adopts two lobe semicircular ring compositions simultaneously, and upper and lower two-layer rubber ring piece staggers mutually, both prevented mud seepage from piece, also facilitated maintenance, greatly reduced drain on manpower and material resources, there is significant economic worth simultaneously.
Accompanying drawing explanation
Fig. 1 is for being provided with peripheral-traction formula scraping and sucking machine of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is front view of the present invention.
Fig. 4 is A portion enlarged drawing in Fig. 3.
Fig. 5 is the top view that stacks of upper and lower layer rubber ring.
In figure: 1, end carriage drive unit; 2, cleaning brush; 3, scrape slag rake; 4, dredging tube; 5, service bridge; 6, guide shell; 7, newel; 8, collector ring; 9, deslagging bucket; 10, overflow mill weir; 11, skimming plate; 12, water inlet pipe; 13, circular settling tank; 14, cleaning shoe; 15, center Water collecting tube; 16, collection mud cylinder; 17, scum pipe; 18, mud bit line in collection mud cylinder; 19, pool inner water bit line; 20, rubber ring; 21, flange; 22, securing member; 23, upper strata rubber ring piece; 24, lower floor's rubber ring piece.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 3, Figure 4, the present invention utilizes securing member 22 to be fixed with the flange 21 of a ring shape right-angle cross-section at the outer peripheral face medium position of newel 7, then utilize securing member that upper and lower two-layer rubber ring 20 is fixed on the horizontal plane of flange 21, the aperture value of collection mud cylinder 16 diapires is greater than the external diameter value of newel 7, is less than the external diameter value of rubber ring 20 simultaneously.The diapire of collection mud cylinder 16 is directly placed on the upper surface of upper strata rubber ring 20.Rubber ring 20 adopts larger, the wear-resisting acrylonitrile-butadiene rubber manufacture of density, and every circle rubber ring 20 is made up of two lobe semicircular ring, and as shown in Figure 5, upper strata rubber ring piece 23 staggers mutually with lower floor's rubber ring piece 24, and arrangement is orthogonal.
When real work, pool bottom sludge sucks and is collected into collection mud cylinder 16 by siphon dredging tube 4, and now, as shown in Figure 3, in collection mud cylinder, mud bit line 18 is lower than pool inner water bit line 19.Hydraulic pressure in sedimentation basin pond holds up and supports collection mud cylinder 16 by rubber ring 20.The directly frictional rotation on the upper surface of rubber ring 20 of diapire bottom surface of collection mud cylinder 16, because contact-making surface is larger, and is fully compressed, and therefore can obtain good dynamic seal (packing) effect, prevents seepage.And not easy to wear, the life-span of effectively having improved seal.By contrast, the common maintenance cycle of hermetically-sealed construction of prior art is 1～2 year, and the present invention did not need to change seal in 3～5 years.
The present invention adopts two-layer rubber ring as seal, every circle rubber ring adopts two lobe semicircular ring compositions simultaneously, upper and lower two-layer rubber ring piece staggers mutually, this structure has prevented clear water seepage from piece on the one hand, also facilitated maintenance, in the time that rubber ring seal need to be changed, only needed loosening fasteners simultaneously, directly extract half lobe rubber ring out and change, and do not need to dismantle whole equipment.
More than describing is explanation of the invention, be not the restriction to invention, limited range of the present invention is referring to claim, without prejudice to spirit of the present invention in the situation that, the present invention can do any type of modification, and for example the present invention is equally applicable to center driving and semibridge system scraping and sucking machine.
Claims (3)
1. the collection mud cylinder of a scraping and sucking machine and the hermetically-sealed construction of newel, it is characterized in that: the outer peripheral face of newel (7) is fixed with rubber ring (20) by flange (21) and securing member, the diapire of collection mud cylinder (16) is directly placed on the upper surface of rubber ring (20), rely on external and internal pressure poor by both compressions, realize the dynamic seal (packing) in rotation; Described rubber ring (20) is provided with two-layer up and down, and every circle rubber ring (20) is made up of two lobe semicircular ring, and upper strata rubber ring piece (23) staggers mutually with lower floor's rubber ring piece (24), and arrangement is orthogonal.
2. according to the collection mud cylinder of scraping and sucking machine claimed in claim 1 and the hermetically-sealed construction of newel, it is characterized in that: the aperture value of described collection mud cylinder (16) diapire is greater than the external diameter value of newel (7), is less than the external diameter value of rubber ring (20) simultaneously.
3. according to the collection mud cylinder of scraping and sucking machine claimed in claim 1 and the hermetically-sealed construction of newel, it is characterized in that: the material of rubber ring (20) is acrylonitrile-butadiene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210252657.8A CN102743904B (en) | 2012-07-20 | 2012-07-20 | Sealing structure for sludge collecting cylinder and central post of sludge scraping suction dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210252657.8A CN102743904B (en) | 2012-07-20 | 2012-07-20 | Sealing structure for sludge collecting cylinder and central post of sludge scraping suction dredger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102743904A CN102743904A (en) | 2012-10-24 |
| CN102743904B true CN102743904B (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210252657.8A Active CN102743904B (en) | 2012-07-20 | 2012-07-20 | Sealing structure for sludge collecting cylinder and central post of sludge scraping suction dredger |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3494462A (en) * | 1967-07-28 | 1970-02-10 | Gen Epuration Et D Assainissem | Sludge settling apparatus |
| US5219470A (en) * | 1991-09-10 | 1993-06-15 | Baker Hughes Incorporated | Apparatus and method for clarifier sludge collection |
| CN2383570Y (en) * | 1999-06-30 | 2000-06-21 | 田仲江 | Double weir rotary draining device |
| CN201461524U (en) * | 2009-08-21 | 2010-05-12 | 石家庄强大密封有限公司 | Sealing ring between large-scale mud pump shaft sleeve and pump body |
| CN201454178U (en) * | 2009-04-30 | 2010-05-12 | 深圳市新环机械工程设备有限公司 | Single tube suction dredger |
| CN203043649U (en) * | 2012-07-20 | 2013-07-10 | 江苏通用环境工程有限公司 | Airtight structure of sludge collection tank and central post of sludge scrapping and sucking machine |
-
2012
- 2012-07-20 CN CN201210252657.8A patent/CN102743904B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3494462A (en) * | 1967-07-28 | 1970-02-10 | Gen Epuration Et D Assainissem | Sludge settling apparatus |
| US5219470A (en) * | 1991-09-10 | 1993-06-15 | Baker Hughes Incorporated | Apparatus and method for clarifier sludge collection |
| CN2383570Y (en) * | 1999-06-30 | 2000-06-21 | 田仲江 | Double weir rotary draining device |
| CN201454178U (en) * | 2009-04-30 | 2010-05-12 | 深圳市新环机械工程设备有限公司 | Single tube suction dredger |
| CN201461524U (en) * | 2009-08-21 | 2010-05-12 | 石家庄强大密封有限公司 | Sealing ring between large-scale mud pump shaft sleeve and pump body |
| CN203043649U (en) * | 2012-07-20 | 2013-07-10 | 江苏通用环境工程有限公司 | Airtight structure of sludge collection tank and central post of sludge scrapping and sucking machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102743904A (en) | 2012-10-24 |
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Owner name: JIANGSU TONGYONG ENVIRONMENTAL ENGINEERING CO., LT Free format text: FORMER OWNER: JIANGSU TONGYONG ENVIRONMENTAL GROUP CO., LTD. Effective date: 20130106 |
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Effective date of registration: 20130106 Address after: 214203 Jiangsu Province, Wuxi Economic Development Zone Yixing yuan Bridge Applicant after: JIANGSU TONGYONG ENVIRONMENTAL PROTECTION GROUP CO., LTD. Address before: 214203 Jiangsu city in Wuxi Province Economic Development Zone Yixing yuan Bridge Applicant before: Jiangsu Tongyong Environmental Protection Group Co., Ltd. |
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