CN101293149A

CN101293149A - Deposition technique and apparatus for sewage sludge funnel body refuse layer sloping plate (pipe chute)

Info

Publication number: CN101293149A
Application number: CNA200710072091XA
Authority: CN
Inventors: 王淼
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-04-24
Filing date: 2007-04-24
Publication date: 2008-10-29

Abstract

The invention relates to a novel sloping plate (sloped tube) sedimentation tank provided with a sludge funnel and mud residue layers, consisting of a sedimentation tank body, a perforated tracery wall, a mud pipe, a clear water collecting sump and a processing unit. The invention is characterized in that a sludge funnel device is arranged under an ordinary sloping plate (sloped tube) sedimentation tank. In the device, a straight tube is connected under the funnel, and the lower end of the straight tube is sealed; and a diversion short pipe is arranged against a water flow direction. The mud residue layer with a high concentration is formed in the straight pipe under the device. As the mud residue layer plays a role of the capture and the impaction to an alum particle in the water, the quality and the water volume of the yielding water in the sedimentation tank are improved greatly. The processing capacity of the sedimentation tank is nearly 3 times higher than that of the ordinary sedimentation tank; and the sedimentation tank works steadily, thereby being applicable to the water which is difficult to be treated.

Description

Sludge funnel slime layer swash plate (inclined tube) depositing technology and device

The present invention belongs to solid, liquid gravity separation process and device.Be mainly used in fields such as water treatment, chemical industry.

Usually the solid, liquid separator is swash plate (inclined tube) settling apparatus.Water or other liquid flow from bottom to top along swash plate and rib formation ramp way (or inclined tube passage), and the solid particle vertical is deposited on the swash plate (inclined tube), and slides along swash plate (inclined tube), and clear water is flowed out by swash plate (inclined tube) upper end.This equipment has only the precipitation function, the function of not flocculating.

Water treatment field wants to utilize the precipitating sludge of sedimentation basin always for a long time, makes it participate in flocculation reaction, and this has two benefits.The first can make the alumina blossom particles concentration in the flocculation process increase substantially, and forms the body refuse superposed layer of high concentration.When the former water of dosing passed through this layer, the mud of alumen ustum in the water and suspension slime layer collision probability had increased significantly.A lot of granule alumen ustum are caught by this layer mud granule, and the particle that is not captured then flows in the next technological process sedimentation basin.This part alumina blossom particles is owing to collide to combine also with mud granule by the suspended sludge slag blanket time and obviously grow up, and its settling velocity obviously improves.Therefore can increase substantially the effluent quality and the water yield of sedimentation basin.It two is because the existence of high concentration body refuse superposed layer makes sedimentation basin work more stable, changes suddenly when adding dose and can not in time change at raw water turbidity, and the particularly high turbid time, the effluent quality of sedimentation tank and the water yield can be not influenced.If common swash plate (inclined tube) effluent quality of sedimentation tank will anxious poly-the deterioration.It three is because the existence of high concentration mud mud superposed layer, all can be guaranteed at the treatment effect of various extremely difficult water quality such as low temperature and low turbidity water, high muddy water, the high muddy water of low temperature, low turbid high algae water sedimentation basin in summer time and effluent quality and the water yield.It four is because the mud of high concentration body refuse superposed layer has very strong adsorption capacity, so the function of obvious saving medicament is arranged.

This shows that making the mud of sedimentation basin participate in flocculation reaction is very science, thought very cleverly.But realize that this idea difficulty is very big,, and then enter sedimentation basin because the former water of dosing is to be introduced into flocculation tank.Two kinds of technologies have been addressed this problem at present.The one, mechanical accelerating purifying pool technology, the 2nd, high concentration flocculation sediment pool process.The former basic thought is the mud mechanical lifting at the bottom of the sedimentation basin, makes its circulation and participates in flocculation reaction.The latter concentrates the back to sedimentation basin mud to fail back flocculation, sedimentation basin with pump.The shortcoming of these two kinds of methods is: the one precipitating sludge is through after the mechanical agitation, and some mud alumina blossom particles are damaged, and certainly lead to some littler alumen ustum, and this has just seriously influenced the treatment effect of suspension slime layer; It two is complex process equipment, and investment is big.

The present invention is made up of discharge pipeline 10, perforation tracery wall 11, the clear water water leg 12 of swash plate (inclined tube) settler I, sludge funnel device II, swash plate carriage 6, sludge funnel carriage 7, sedimentation basin body 8, mud-removing bucket 9, bucket type spoil disposal.

It is characterized in that: treating apparatus of the present invention is made up of swash plate (inclined tube) settler I and sludge funnel device II, swash plate (inclined tube) settler I is identical with common swash plate (inclined tube) settling apparatus, the elementary cell of sludge funnel device II is by suitable for reading big, young down, be shaped as the tubular funnel of rectangle, polygon or taper 3, under connect rectangle, polygon, circular straighttube 4, or connecing conical pipe 15, their lower end is with tilt flat plate 13 or horizontal plate shutoff; And in face of the water inlet direction perforate of sedimentation basin or connect that water conservancy diversion short tube 14 constitutes, also can be at the one little funnel 16 of termination under the straight tube, funnel bottom steel plate shutoff, perforate or connect water conservancy diversion short tube 14 on the wall of straight tube 4 on it, be covered with swash plate (inclined tube) settler I lower end entire area by a plurality of such elementary cells, be combined into sludge funnel device II, this device is supported on the sludge funnel carriage 7, or when sedimentation basin is built, process simultaneously and fuse with sedimentation basin pond body 8, leave certain distance between the upper end of sludge funnel device II and swash plate (inclined tube) the settler I lower end, or cylinder short tube 5 of termination on each funnel 3.

Description of drawings

Sedimentation basin cutaway view when Fig. 1 is the straight tube that connects of sludge funnel bottom 4 lower ending opening place band water conservancy diversion short tubes 14;

Fig. 2 is straight tube 4 lower ending opening places that the sludge funnel bottom connects sedimentation basin cutaway views when not having the water conservancy diversion short tube;

Sedimentation basin cutaway view when Fig. 3 is the conical pipe that connects of sludge funnel 3 bottoms 15 lower ending opening place band water conservancy diversion short tubes;

Fig. 4 is that the straight tube 4 lower ending opening places that sludge funnel 3 bottoms connect do not have water conservancy diversion short tube D-D to cutaway view;

Fig. 5 is the cutaway view of termination cylinder short tube 5 on the sludge funnel 3;

Fig. 6 is little funnel 16 of following termination of straight tube 4, the steel plate shutoff of little funnel bottom, perforate and connect the cutaway view of water conservancy diversion short tube 14 on it.

Beneficial effect

The mud that is deposited on swash plate (inclined tube) the device I wall is slipped to the sludge funnel dress Put among the II. Because the straight tube 4 of funnel 3 bottoms or the bottom of conical pipe 15 are flat with tilting Plate 13 shutoff are flowed into again the resistance of current by perforate mouth place, lower end (or diversion short tube 14) The gear effect, mud can not slide along pipe slanted floor plugging plate 13, all accumulates in straight tube 4 or conical pipe 15 in. So straight tube 4 or taper 15 are full of by mud rapidly, form The mud slime layer. Reacted former water will pass after entering straight tube 4 or conical pipe 15 This slime layer. Because the bump effect of current, the mud granule in the slime layer constantly becomes The position, and constantly the real estate life is shaken, is rotated. So just cause reacting the alumen ustum in the rear former water Particle constantly with slime layer in mud granule collision. Some little alumina blossom particles are by mud Particle catches, and the alumina blossom particles that is not captured also obviously magnifies, and its settling velocity is bright The aobvious increasing. Effluent quality of sedimentation tank is obviously improved, and its disposal ability is obviously carried High.

Because above funnel device spatial volume adds funnel device II top and swash plate (inclined tube) spatial volume between installing at the bottom of the I at the bottom of the funnel device II, accumulate volume much larger than the mud of all mud-removing buckets 9.This part volume is enough to hold the mud that sedimentation basin accumulates between two sludge discharging period of sedimentation basin down.When sludge from sedimentation tank, the mud that accumulates on funnel 3 slopes is discharged from water conservancy diversion short tube 14 with current.When mud valve is closed, be subjected to the into jacking of water current suddenly at the mud of straight tube 4 or conical pipe 15 lower ends, mud stops to flow out from the water conservancy diversion short tube 14 of straight tube 4 or conical pipe 15.In straight tube 4 or conical pipe 15, form slime layer again at once.So the precipitation operating mode can not be subjected to the sludge from sedimentation tank influence.Its working condition is stable, and its processing water yield is about 3 times of common swash plate (inclined tube) sedimentation basin.This sedimentation basin also has special advantages except the advantage with body refuse superposed layer recited above.Mud under swash plate (inclined tube) landing directly drops to the sludge funnel device II, is not subjected to any disturbance, does not have the broken little alumen ustum phenomenon that produces of alumen ustum, and its flocculation, adsorption effect are optimal.

Execute the solid yardage method

Inclined plate sedimentation device I is identical with common sloping plate deposition equipment, is made up of the swash plate module that sheet plastic 1, the 2 spot welding heat seals of plastics rib constitute.Tube settling device I is identical with the common inclined-tube settling apparatus, and processing method is also identical.Sludge funnel device II is combined into by a plurality of elementary cells.Each elementary cell is by big, young funnel 3 and following straight tube 4, conical pipe 15 (shown in Fig. 1,2,3,4) of connecting and composing down suitable for reading, funnel 3, straight tube 4 or conical pipe 15 with and the tilt flat plate shutoff 13 of lower end all be to make with water conservancy diversion short tube 14 by steel plate, corrosion resistant plate, plastic plate or glass-reinforced plastic material, and press Fig. 1,2,3,4 connections.Swash plate carriage 6 is to be made by angle steel, is connected with sedimentation basin pond body 8.Swash plate (inclined tube) settler I supports thereon.Sludge funnel carriage 7 is to be made by channel-section steel, I-steel, angle steel, is connected with sedimentation basin pond body 8.Sludge funnel device II supports thereon, should be covered with swash plate (inclined tube) settler I lower end entire area.The also available armored concrete of sludge funnel device II is made to build with sedimentation basin pond body 8 and is integral.Should leave certain distance between the upper end of sludge funnel device II and swash plate (inclined tube) the settler I lower end.

Claims

1, the treating apparatus of sludge funnel slime layer swash plate (inclined tube) sedimentation basin is made up of two parts, its top is swash plate (inclined tube) settler (I), identical with common swash plate (inclined tube) settler, under this device (I) sludge funnel device (II), it is arranged amalgamation by a plurality of elementary cells and forms, each elementary cell all is by suitable for reading big, young down, be shaped as rectangle, polygon, the funnel of Taper Pipe shape (3), with the bottom rectangle, polygon, circular straighttube (4), or conical pipe (15) connects and composes, straight tube (4) or conical pipe (15) lower end are with tilt flat plate or the shutoff of horizontal plate (13) institute, and in water inlet direction perforate in face of sedimentation basin, or connect water conservancy diversion short tube (14), also can be at the one little funnel (16) of termination under the straight tube, the steel plate shutoff is used in little funnel (16) bottom, perforate or connect water conservancy diversion short tube (14) on the wall of straight tube 4 on it;

2,, should leave certain distance between the lower end of sludge funnel device (II) upper end and swash plate (inclined tube) settler (I), or the upper end of each funnel (3) is connected a cylinder short tube (5) according to claim 1;

3, according to claim 2, sludge funnel device (II) is supported on the sludge funnel carriage (7), or makes simultaneously when sedimentation basin pond body (8) is built, and fuses with sedimentation basin pond body (8).