CN2090377U - Thickened sludge compression dewatering device - Google Patents
Thickened sludge compression dewatering device Download PDFInfo
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- CN2090377U CN2090377U CN 90225929 CN90225929U CN2090377U CN 2090377 U CN2090377 U CN 2090377U CN 90225929 CN90225929 CN 90225929 CN 90225929 U CN90225929 U CN 90225929U CN 2090377 U CN2090377 U CN 2090377U
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- groove
- secondary concentration
- screw rod
- mud
- outer cylinder
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Abstract
The utility model relates to a thickened sludge compression dewatering device which comprises a sludge secondary thickening tank, a compressing groove, a discharge groove, a control device, a deep water pump, a fixed external cylinder, a screw rod, a voltage regulating device, a driving device, an electromagnetic valve, etc. The height difference pressure between a settlement separating groove and the sludge secondary thickening tank is utilized as the conveying power source in order to achieve the efficacy of sludge concentration and dehydration.
Description
The utility model is about a kind of thickened sludge compression dewatering unit, refers to that especially a kind of mud that is used for wastewater treatment concentrates and the device that dehydrates.
The processing of trade effluent is one of current sixty-four dollar question, and it is related to the environment and the modern industry Development Prospect of human survival.At present, the treating processes of trade effluent as shown in Figure 1, wherein the most thorny is the processing of precipitating sludge.And precipitating sludge has following feature:
1. through after the chemical agglutination and the thickened sludge after the precipitate and separate, the mud-water separation speed that it includes is very fast, effect is very good.
2. a little less than its physical strength of the thickened sludge behind the coagulation sedimentation is highly brittle, if impose the intensive mechanical effect again, as the pumping wheel give, stirring action etc., must completely destroy.
3. the aggegation separator tank thickened sludge water content of being discharged is also very high, greatly about more than 95%.
4. multiple just can the obtaining through dewatering unit of thickened sludge is done solid mud, but in being delivered to the process of dewatering unit as produce aforementioned the 2nd destruction, then can cause poor dewatering.
There is following shortcoming in general device for dehydrating sladge waste:
1. sewage sludge drying bed: unhygienic in appearance and be subjected to weather effect and about, area occupied is wide, weak effect and exsiccant mud are taken out of and are needed manpower and mechanical force, bad processing.
2. rotary type drum type vacuum filter: dewatered sludge is that the tank by the bottom is supplied with, mud in the tank stirs often to prevent the precipitation of solid substance, there is the revolution on the filter cloth surface its top, at filter cloth attracted by surfaces mud, after mud fully dewaters, stripping off device is peeled off removal by drum, and the filter cloth surface after peeling off becomes to attract the state of new mud again, and so its filter cloth quality and volume all are big shortcomings.
3. nip drum formula dewatering unit: its shortcoming is also as described in 2.
4. centrifugal separator far away: the equipment complex structure, add medicine etc. and anticipate standing charges height, operational difficulty.
The purpose of this utility model is that a kind of thickened sludge compression dewatering unit will be provided, and it has behind the wastewater treatment equipment coagulation sedimentation, the dehydration of thickened sludge, and applicable to taking out its solid in any liquid state, the gaseous state.
The purpose of this utility model is achieved in that the precipitation separation device height that utilizes wastewater treatment (general about 4 meters of rising streaming) and the differential pressure between the utility model height (2 meters) are used as the transmitting power source (not using the mechanical type conveying) of thickened sludge, can drop to the physical strength of thickened sludge destruction minimum, and under the situation of its thickened sludge water content high (95%), it is reduced its water content earlier before dehydration.
The utlity model has following advantage:
1. area occupied is little, is better than traditional drying bed method, need not rely on weather to dehydrate, and health and effect are good in appearance, and decorating film is handled convenient.
2. do not have rotary type drum type vacuum filter to peel off the disappearance of removal, and often change the shortcoming of filter cloth, quality is also preferable.
3. the thickened sludge after the aggegation does not re-use mechanical transport, and its structure deteriorate drops to lower-most point, and before dehydration, it is minimum to have utilized compression groove that the water content in the thickened sludge is dropped to, its dehydration fruit also the specific pressure roll-type come well.
4. simple in structure, simple operation, standing charges are low, and it is fit to the wastewater treatment equipment of each factory at present, and volume is little, does not take up space, and its effect also is better than centrifugal separator far away.
Concrete structure of the present utility model is provided by following examples and accompanying drawing.
Fig. 1 is the operation process chart of general wastewater treatment.
Fig. 2 is an organigram of the present utility model.
As shown in Figure 2, the utility model is mainly combined by institutes such as a mud secondary concentration groove 1, compression groove 2, letdown tank 3, control device 4, deep water pumping 5, fixed outer cylinder 6, screw rod 7, regulator 8, drive device 9, magnetic valves 10; The below of this mud secondary concentration groove 1 is coniform, there is a protuberance 11 bottom, this protuberance 11 is provided with a screw rod 7, driven by driving device 9, and this screw rod 7 is provided with a fixed outer cylinder 6 in the top of protuberance 11, and lower end, the tapering side of mud secondary concentration groove 1 is provided with a supplying opening 12, and is provided with a magnetic valve 10 in supplying opening 12 and 13 of settlement separate grooves; Again, the inside of this mud secondary concentration groove 1 is equipped with a compression groove 2, this compression groove 2 is to be coniform, the upper end periphery is provided with most circular hole 21, its inner bottom part is equipped with deep water pumping 5, and a positioning rod 41, and deep water pumping 5 is connected to output tube 51, this backstay 41 passes set protruding of mud thickener 1 intermediary cross bar 101 sides and gets 102, and with the effect of correcting compression groove 2; In addition, the top side of mud secondary concentration groove 1 is provided with a letdown tank 3, and these letdown tank 3 one sides have the long degree of depth 31 for the flexible space of transfer lime, and opposite side has a water outlet 32; This control device 4 is sides of being located at backstay 41, and it is upper and lower respectively a contact switch 42,43.
Operating principle of the present utility model and effect are as follows: utilize differential pressure between the height of settlement separate groove 13 and the mud secondary concentration groove 1 to be used as the transmitting power source of thickened sludge, and do not use mechanical type to carry, to avoid destroying the structure of mud, after magnetic valve 10 is opened, thickened sludge enters mud secondary concentration groove 1 by supplying opening 12, according to fluid mechanics principle, its bottom by mud secondary concentration groove 1 becomes a spirrillum slowly to rise when thickened sludge slowly injects, also precipitate gradually at this time concentration mud that slowly rises, be that thickener 1 bottom mud is denseer, then water content is higher in the top, and the thickened sludge that rises gives pressing and gives as security groove 2 one buoyancy that contract and make its rising, and the thickened sludge of top is also entered in the compression groove 2 by small sircle hole 21 gradually, when rising to cross bar 101, compression groove 2 stops to rise, this moment, backstay 41 was run into contact switch 42, control device 4 makes magnetic valve 10 cut out, and begin to start deep water pumping 5 beginning drainings, this moment, thickened sludge did not reinject, and water content higher thickened sludge in upper strata is discharged by the pumping in the compression groove 25 gradually, when closing magnetic valve 10,4 orders of control device drive device 9 and start, make screw rod begin action, the thickened sludge of bottom is discharged, the thickened sludge of this moment still is liquid thick shape, not dehydration fully as yet, and the effect of dehydration promptly reduces the volume and the moisture content of mud, make it become decorating film, so that carrying and operation, or utilize again.Screw rod 7 and fixed outer cylinder 6 keep certain interval and turn round, compress and dehydration continuously, promptly at the upper semisection periphery of fixed outer cylinder 6, be cut with countless finedraw 65, the periphery also is covered with filter cloth 64, make by the thickened sludge of screw rod 7 risings its water content is discharged, reclaim moisture content by accumulator tank 61, the mud decorating film is then discharged by the outlet 62 of fixed outer cylinder 6, be elasticity gland 63 on 62 and export, by regulator 8, and the pressure of may command gland, and the pressure size of gland, the situation that can be depending on dehydration is adjusted.
After the mud in the thickener 1 was discharged gradually, compression groove 2 slowly descended, when backstay 41 contacts contact switch 43, control device 4 cuts out and drives device 9 and deep water pumping 5, starts magnetic valve 10 simultaneously, so, thickened sludge begins again to inject, and restarts compression and dehydration.
Claims (4)
1, a kind of thickened sludge compression dewatering unit, this device has a below to be cone shape mud secondary concentration groove, the protuberance that it is characterized in that the bottom of this secondary concentration groove is provided with one by driving the screw rod that device drives, and this screw rod is provided with a fixed outer cylinder in the protuberance top; The lower end side of mud secondary concentration groove is provided with a supplying opening, and establishes a magnetic valve between supplying opening and settlement separate groove; The inside of mud secondary concentration groove is equipped with one and is cone shape compression groove, the upper end periphery of this compression groove is provided with circular hole, its bottom is equipped with deep water pumping and a positioning rod, this backstay passes set protruding the getting of mud secondary concentration groove intermediary cross bar side, and the side of backstay is provided with a control device again; The top side of mud secondary concentration groove is provided with a letdown tank, and opposite side is provided with water outlet; Between settlement separate groove and the mud secondary concentration groove discrepancy in elevation is arranged.
2, device according to claim 1 is characterized in that the upper semisection periphery of the fixed outer cylinder of screw rod being cut with finedraw, and the periphery is covered with filter cloth.
3, device according to claim 1 is characterized in that in the outlet of fixed outer cylinder of screw rod an elasticity gland being arranged, and the pressure of a regulator may command gland is arranged again.
4, device according to claim 1 is characterized in that being reclaimed the fixed outer cylinder moisture content that finedraw compresses of screw rod by the accumulator tank under the fixed outer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90225929 CN2090377U (en) | 1990-12-18 | 1990-12-18 | Thickened sludge compression dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90225929 CN2090377U (en) | 1990-12-18 | 1990-12-18 | Thickened sludge compression dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2090377U true CN2090377U (en) | 1991-12-11 |
Family
ID=4903275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90225929 Pending CN2090377U (en) | 1990-12-18 | 1990-12-18 | Thickened sludge compression dewatering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2090377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003860A (en) * | 2019-12-03 | 2020-04-14 | 南京易德高臭氧有限公司 | Ozone treatment equipment for sludge wastewater and use method |
-
1990
- 1990-12-18 CN CN 90225929 patent/CN2090377U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003860A (en) * | 2019-12-03 | 2020-04-14 | 南京易德高臭氧有限公司 | Ozone treatment equipment for sludge wastewater and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |