CN2442991Y

CN2442991Y - High-turbidity sewage purifier

Info

Publication number: CN2442991Y
Application number: CN 00250658
Authority: CN
Inventors: 许松岩; 许磊; 索毅力; 宋亚竹; 秦旋
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-08-24
Filing date: 2000-08-24
Publication date: 2001-08-15
Anticipated expiration: 2010-08-24

Abstract

The utility model relates to an improved purifier for high turbidity sewage. The utility model is composed of a top cover, a tank body, and a mud chamber. The sewage treating capacity of the utility model is 280 to 32000 cubic meters per day, the turbidity of the sewage to be treated can reach more than 10000 milligrams per liter, and the turbidity of the water can reach less than 3 milligrams per liter after the water is treated. The utility model has a manual operation type and an automatic operation type, and the automatic operation type is composed of a programmable controller which is matched with an input element and an output element. The utility model can be singly used and can be used after a plurality of purifiers for high turbidity sewage are connected in parallel.

Description

Novel high-turbidity sewage cleaner

The utility model relates to a kind of cleaner of high-turbidity sewage, and it is the equipment that is used for purifying the sewage contain a large amount of suspended solids (comprise soluble in water and can produce sedimentary hazardous and noxious substances by the chemical reaction after the dosing).These sewage comprise: the various sewage that produce in (1) Industrial processes.As various boilers, Industrial Stoves wet dust removal sewage, pottery, Abrasive Industry production waste, pit water, ore dressing water, coal washing water, hydraulic coal mining sewage, with waste paper be raw material papermaking wastewater, copy paper water, the dyeing and printing sewage of dyeing, hydroblasting sewage of casting industry or the like; (2) Yi Jiang, river are the city of water source (the particularly higher rivers of turbidity), the productive life water of industrial and mining enterprises; (3) municipal effluent etc.

Existing high-turbidity sewage treating plant has YZJ type, YZJ-A type pressure type integral water cleaner, GWJ type industrial sewage purification device; GWJ type and GWJ/A type high-turbidity sewage cleaner etc.Wherein GWJ/A type high-turbidity sewage cleaner is for overcoming the shortcoming of YZJ type, YZJ-A type pressure type integral water cleaner, GWJ type industrial sewage purification device and GWJ type high-turbidity sewage cleaner, enlarge turbidity subject range and design, and (the patent No.: 90225818.4) that obtains national patent.Have now found that there is following shortcoming in GWJ/A type high-turbidity sewage cleaner: the suspended solid that bubble through the water column less than water for the foam that produces after the dosing and proportion (1), because not precipitating, they can't not remove, and the quality of back water is handled in influence; (2) abundant filter material layer thereby influence service efficiency; (3) structure is complicated.

The purpose of high-turbidity sewage cleaner of the present utility model is to overcome above-mentioned shortcoming, enlarges subject range, improves processing efficiency and simplified construction, so that make.

The utility model has been done following modification to existing GWJ/A type high-turbidity sewage cleaner: (1) sets up a dividing plate at the tank body middle part, and tank body is divided into two portions up and down; (2) whirl cylinder and the collection mud tube with former GWJ/A type changes swirler (one or more) into; (3) setting up mud discharging mouth between swirler and dividing plate, to get rid of foam and proportion mud alumen ustum (in fact forming a last hopper dredger district that holds proportion less than the mud alumen ustum of water) less than water; (4) the rising main system with former GWJ/A type (comprises that the rising main of tank body both sides and the collecting ring on tank body top, last lower filter material layer intermediary rising pipe etc. all remove, and change several rising mains that reverse checkvalve is housed on the tank body into; (5) the upper and lower filter material layer with former GWJ/A type integrates, and makes all water all pass through filter material layer; (6) set up a backwashing sewage water discharge outlet on tank body dividing plate top, make backwashing water be back to sewage lagoon; (7) set up cone-shaped hood in the peripheral tank body of swirler inboard, to change the flow velocity of up water; (8) filter screen and the grid holder homogenizing plate of setting up off the net above the tank body dividing plate.

Fig. 1 is the structural representation of high-turbidity sewage cleaner of the present utility model.

As shown in the figure, high-turbidity sewage cleaner of the present utility model is made up of top top cover 1, middle part tank body 2 and following hopper dredger 3, it is characterized in that: these three parts parts both can connect with flange, also can be by being welded together; Be provided with dividing plate 4 in the tank body of middle part, tank body 2 is divided into upper tank body and lower tank, this two portions tank body is by the rising main UNICOM that reverse checkvalve is housed, be the grid 7 in swirler 5 and water outlet thereof the outside from bottom to top in lower tank, swirler 5 peripheries are cone-shaped hood 8 and the rising main 9 that reverse checkvalve is housed, sewage water inlet pipe 15 links to each other with the upper tangential of swirler 5, and last shore pipe 17 is located under the dividing plate 4; Be followed successively by backwashing sewage water more than 4 at the upper tank body internal partition and discharge the mouth of pipe 18, homogenizing plate 10, filter screen and grid holder net 11, filter material layer 12; Tank body 2 tops are top cover 1, in establish filter head plate 13, top cover 1 top is clear water vent pipe 19 and vapor pipe 20; Tank body 2 bottoms are hopper dredger 3, following shore pipe 16, are base 14 around the hopper dredger 3.

The technical process of high-turbidity sewage cleaner of the present utility model is: medicine and sewage are sucked by the water inlet pipe of sump pump, deliver to the water inlet pipe 15 of sewage purification device of the present utility model through mixing tank, tangentially enter swirler 5 again, sewage and medicine mix under the stirring of eddy flow equably, and progressively form the mud alumen ustum, the current rotation downwards in swirler 5, heavy mud alumen ustum is under action of centrifugal force, along the rotation of swirler outer wall downwards, relief outlet by swirler 5 lower ends is discharged, because outlet back sectional area sudden enlargement, the flow velocity of water descends rapidly, and the mud alumen ustum continues downward with fast speeds under the effect of gravity and mass force, be deposited in the hopper dredger, finish separating of mud alumen ustum and water.Under the pressure of continuous settled alumen ustum, following alumen ustum is concentrated dehydration to the mud alumen ustum that enters hopper dredger, amasss the bottom in hopper dredger, regularly discharges in the above.Proportion less than the mud alumen ustum of water then along the outer wall rotation of the core tube 6 of swirler 5, to the opening part of core tube 6,, upwards flow owing to its proportion enters in the core tube 6 less than water, discharge by core tube 6 upper ends, upwards accumulate in the bottom of dividing plate 4 through cone-shaped hood 8 continuation suitable for reading.Under the alumen ustum extruding of continuous come-up, mud-water separation is finished in the continuous thickening of top alumen ustum, accumulating to when a certain amount of, is discharged by last mud discharging mouth 17.The water of carrying the mud alumen ustum secretly by swirler 5 discharges, under the effect of alumen ustum gravity and mass force, continue to sink, and with water after the mud alumen ustum separates, because discharging swirler 5 back speed sharply reduces, simultaneously because under the promotion of the water that swirler is constantly discharged, upwards flow along cone-shaped hood 7, because dwindling of cone-shaped hood 7 top outlet areas, up water flow velocity improves constantly, the sewage that contains mud alumen ustum (its proportion is less than water) that drive is discharged by swirler core tube 6 tops makes progress jointly, after the outlet that breaks away from cone-shaped hood 7 tops, owing to sectional area enlarges, upflow velocity descends again, and alumen ustum is under mass force and buoyancy function, continue upwards to combine in dividing plate 4 bottoms at a high speed, then water separates with the mud alumen ustum.Remove behind the mud than the flow direction of clear water by upwards then downwards, end opening place to ascension pipe 9 enters ascension pipe 9, transfer again upwards, pass dividing plate 4 and enter upper tank body, behind homogenizing plate 10 and filter screen and grid holder net 11, upwards the flow velocity of mobile water, flow in tank body 2 on the cross section more equably to the upper reaches, by filter material layer 12 with the detention of remaining mud alumen ustum in filter material layer, clear water then enters in the top cover 1 by filter head plate 13, constantly discharge by clear water vent pipe 19, finish whole sewage purification process.Filter material layer 12 carries out back flushing after work for some time.

High-turbidity sewage cleaner of the present utility model has 10 kinds of specifications, and sewage load is 280～38000m ³/ day, the turbidity of disposing of sewage can be handled the back delivery turbidity and can reach below 3 mg/litre up to more than 10000 mg/litre.

The utility model has manual operation and operates two kinds of models automatically.The control device of automatic manipulation type adopts advanced " programmable controller " as the control core, is equipped with input, output element composition.Sequence of control can be according to technical process establishment, the change of handling different quality, need not increase components and parts and distribution again.

For adapting to the needs of handling different quality, cleaner of the present utility model can be used the steel manufacturing, interior lining, and also available Steel Concrete or plastics mix manufacturing with steel, and lining, to strengthen the wear-resistant corrosion resistance that undermines.

In the novel cleaner of this reality is that core is equipped with utility appliance such as water pump, dosing tank, drug flux, mixing tank and can forms complete sewage disposal device, and the electric motor of water pump is exactly the power of this complete equipment.Sewage is sucked by water pump, and clear water is discharged by the clear water vent pipe.

Cleaner of the present utility model is compared with existing high-turbidity sewage treating plant, and sewage load improves more than 20%, and turbidity subject range has enlarged more than one times, and the moisture percentage in sewage sludge of discharge is low, and structure is simpler.The utility model can use in many parallel connections, also can provide more large-scale equipment according to the needs of sewage load.

Claims

1. a novel high-turbidity sewage cleaner is made up of top top cover, middle part tank body and bottom hopper dredger, it is characterized in that: these three parts parts both can connect with flange, also can be by being welded together; Be provided with dividing plate in the tank body of middle part, tank body is divided into upper tank body and lower tank, this two portions tank body is by the rising main UNICOM that reverse checkvalve is housed, in lower tank, be provided with swirler from bottom to top, swirler bottom water outlet, grid is arranged on every side, is cone-shaped hood above the grid, there is rising main in the cover outside, and what connect on swirler top is sewage water inlet pipe, both tangentially connect, swirler up the lower partition has last end-of-the-pipe, and be provided with backwashing sewage water in the upper tank body on dividing plate and discharge the mouth of pipe, up be homogenizing plate, up be filter screen and grid holder net again, be filter material layer again, filter material layer up is the filter head plate in the top cover, is clear water zone in the top cover, clear water vent pipe and vapor pipe are arranged above the top cover, the tank body bottom is a hopper dredger, and its bottom is base for following shore pipe around the hopper dredger.

2. novel high-turbidity sewage cleaner as claimed in claim 1, it is characterized in that this separator can be with the steel manufacturing, also available Steel Concrete or plastics mix manufacturing with steel.