CN2360140Y

CN2360140Y - Solid-gas-liquid three-phase separating appts

Info

Publication number: CN2360140Y
Application number: CN 98250342
Authority: CN
Inventors: 游惠宋; 邱创泛; 彭明镜; 刘有清
Original assignee: Industrial Technology Research Institute ITRI
Current assignee: Industrial Technology Research Institute ITRI
Priority date: 1998-12-24
Filing date: 1998-12-24
Publication date: 2000-01-26
Anticipated expiration: 2008-12-24

Abstract

The utility model relates to a solid-gas-liquid three-phase separating apparatus, which is suitable for separating wastewater with solid-gas-liquid three phases. The utility model has the maximum difference from the publicly known device that a first slot and a porous plate are used to replace the functions of the publicly known angle type gas-collecting hood and the parallel guide plate. The design of the utility model has the advantages of convenient assembly, materials and cost saving and wastewater separation quality maintenance.

Description

Novel solid and gas liquid three-phase separating device

The utility model relates to a kind of novel solid and gas liquid three-phase separating device, is meant escapable cost especially, and separator simple in structure.

General solid and gas liquid three-phase separating device is to be used for waste water treatment engineering, and it can be with the solid in the waste water (as mud) and gas (as biogas etc.) and fluid separation applications, and makes the waste water of discharging can meet standard, can not impact environment.

Yet, known as Taiwan patent announcement number No. 100697 disclosed solid and gas liquid three-phase separating device, as shown in Figure 1, its structure is divided into not isometric parallel guide plate 2, angle type gas skirt 3, hang plate (pipe) 4, downflow weir 5 grades four are partly formed, the gas in the waste water 6 (containing solid and gas) is collected in type gas skirt 3 belows, angle, drain into not isometric parallel guide plate 2, the gas of not isometric parallel guide plate below is behind the guide plate water conservancy diversion, owing to collide mutually between bubble and form air pocket, accelerate gas flow rate and cause turbulent flow, and promote solid and gas to separate, gas separated enters outside the plenum zone drain tank, because gas is intercepted in the below of not isometric parallel guide plate, liquid forms difference in specific gravity and causes liquid circulation (Air-Lift effect) about causing not isometric parallel guide plate, liquid after the gas phase separation (including solids), enter not isometric parallel guide plate, because of no gas disturbs, can form stable Separation of Solid and Liquid effect between the not isometric parallel guide plate, the solids that settles down is along with the liquid circulation is returned in the reactive tank 10 (its bottom is an anaerobic organisms Sludge Bed 1), partly smaller particles enters hang plate (pipe) along with current and separates, clarified solution inflow downflow weir 5 and outside the drain tank.

Above-mentioned known three phase separator is because of angle type gas skirt and tilting not isometric parallel guide plate, and it is comparatively difficult to construct, and is difficult for modular mode production, and cost is difficult for reducing, and is difficult for promoting in practicality.

In order to address the above problem, the purpose of this utility model is to provide a kind of simple in structure, novel, handling ease, and production cost is low, the novel solid and gas liquid three-phase separating device of good separating effect.

The utility model provides a kind of novel solid and gas liquid three-phase separating device, comprising:

One first groove is positioned at the downstream of flowing out waste water from this reactive tank, and it has a base plate, and this base plate is a plane, and is respectively equipped with a bead at two ends;

At least one porous plate is arranged at outflow waste water from this reactive tank to the way of this first groove;

One hang plate is positioned at the downstream of this first groove waste water of flowing through;

One second groove is positioned at the downstream of this hang plate waste water of flowing through; And

One downflow weir is positioned at the downstream of this second groove waste water of flowing through.

Above-mentioned separator is divided into first groove (solid-liquid displacement zone) by hang plate (pipe), second groove (settling section), its structure comprises: the base plate with bead of first trench bottom, porous plate (a slice at least), hang plate or tipping tube, downflow weir, five of slush pumps are partly formed, gas that is contained in floor below waste water and solid (surface attachment minute bubbles) are when rising to base plate, because of the base plate obstruct turns to mobile, in flow process, minute bubbles can collide and the formation air pocket mutually, and the flowing velocity of accelerating bubble causes turbulent flow, thereby promote surface of solids minute bubbles to break away from, reach the function of solid and gas separation for the first time.Air pocket under the base plate marches to the base plate tail end, because of losing the obstruct of base plate, and form the gas wall one to the upper reaches along the base plate ora terminalis, before waste water flows to porous plate, need pass this gas wall earlier, because turbulent flow and bubbles strike, causing for the second time, solid and gas separates, when waste water when the porous plate since flow velocity increase severely, reach the function of solid and gas separation for the third time, through three road solid and gas separation processes, partly existing effect of gas phase separated, after waste water flows through porous plate, enter solid-liquid displacement zone, and carry out the solid-liquid Gravity Separation, comparatively tiny solid particle, enter hang plate (pipe) with current, because of hang plate (pipe) can provide great precipitation surface long-pending, and promote solid-liquid separation effect, the clarified solution of process hang plate (pipe) is by outside the downflow weir drain tank, deposition of solid after the Separation of Solid and Liquid is evacuated in the reactive tank by the mud slush pump and uses or drain tank is abandoned outward on the base plate of first groove.

Learn by above-mentioned, the utility model will have two to three layers three phase separator improvement design and become one deck, significantly reduce the weight of device itself, not only save material cost, also simplify its supporting structure, reduce difficulty of construction, hang plate of the present utility model and porous plate can use materials such as PVC, PP, PE, with modular mode production, on-the-spot bonding construction is easy, and the air-tightness height can significantly reduce construction cost.

Simultaneously, novel three phase separator is because of acerous type gas skirt, tilting not isometric parallel guide plate, and construction easily and can modularization production, reduces cost.

Below in conjunction with accompanying drawing and preferred embodiment in detail the utility model is described in detail.

Fig. 1 is Taiwan patent announcement number No. 100697 schematic representation of apparatus;

Fig. 2 is the utility model three phase separation apparatus and three phase separation schematic diagram;

Fig. 3 is solid and gas liquid three phase separation procedure declaration figure;

Fig. 4 is a porous plate opening schematic diagram;

Fig. 5 is the equipment drawing of the utility model embodiment; And

Fig. 6 is performance test figure of the present utility model.

Fig. 2 is the utility model three phase separation apparatus and three phase separation schematic diagram; This separator is applicable in the reactive tank 20 of a carrying waste water, comprises: one first groove 18, be positioned at the downstream of flowing out waste water from this reactive tank 20, and its base plate 22 is a plane, and base plate 22 two ends are provided with bead 17; At least one porous plate 12 is arranged at from this reactive tank 20 waste water and flows out to the way of this first groove 18; One hang plate (pipe) 13 is positioned at the downstream of these porous plate 12 waste water of flowing through; One second groove 21 is positioned at the downstream of this hang plate (pipe) 13 waste water of flowing through; And a downflow weir 15, be positioned at the downstream of these second groove, 21 waste water of flowing through.

With reference to figure 2,3, Fig. 3 is solid and gas liquid three phase separation procedure declaration figure; Waste water in reactive tank 20, wherein heavier mud is deposited on Sludge Bed 11 earlier, waste water (the waste water among Fig. 2 that upwards flows then, mud, gas indicates with different arrows respectively), waste water is at first run into the base plate 22 of first groove, 18 bottoms, waste water two side flow to the left and right then, in this flows, thin bubble is because dull and stereotyped guiding is air pocket (as shown in Figure 3) by thin bubble cohesion, and then form the gas wall one, by the agitaion of gas wall, make and pass the solid that the gas wall has thin bubble, carry out the solid and gas separation first time, and then through a porous plate 12, porous plate 12 causes the current of high flow rate, and solid and gas separates (as Fig. 2 and cause for the second time, shown in 3), utilize hang plate (pipe) 13 at last, carrying out Separation of Solid and Liquid and to enter second groove 21, last waste water outflow is gone into downflow weir 15, and flows out second groove 21; And the mud 14 of precipitation separation is deposited on first groove 18, and 14 in this sedimentation mud returns in the reactive tank 20 by slush pump 16 (see figure 5)s or drain tank is abandoned outward.

At base plate 22 two ends of first groove 18 bead 17 is arranged again, rely on this bead 17, can make the glide path of bubble, keep certain distance (as shown in Figure 3) with porous plate 12, and reduce the chance that bubble flows into porous plate 12.

Fig. 4 is a porous plate opening schematic diagram, and as shown in the figure, the perforate of porous plate 12 can be circle, square and Any shape, if the speed that flows through that its aperture area can make liquid greater than 60 meters 3/ day.

Below with reference to Fig. 5 and Fig. 6 embodiment of the present utility model and performance test figure thereof are described, Fig. 5 is the equipment drawing of the utility model embodiment, and Fig. 6 is performance test figure of the present utility model.

The lonely mud that at first adds the tool activity in reactive tank 20, and be matrix with the sodium acetate, SAS is squeezed into by feed pump 19 in position in A, sodium acetate is behind the mud catabolism of being sick of, produce biogas, and with the upward water flow upwards band of mud of will being sick of, after three phase separator of the present utility model separates, return reactive tank 20 bottoms by slush pump 16, more than be the process of the utility model performance test.

In Fig. 6, the flow of feed pump 19 is Q again, and the flow of slush pump 16 is 0.25Q, and the settling section sectional area of three phase separator is a, so the computing formula of weir loading is Q/a; And survey the SS concentration that suspended solid (SS) representative enters three phase separator in the sampling of C place, flow out the SS of water in the sampling analysis of B place.

As seen from Figure 6, the utility model flows out the SS of water all less than 100mg/L, compares with well known device, and its three phase separation function is not because of designs simplification goes down, and the utility model still has identical functions.

Above preferred embodiment is not in order to qualification the utility model, any those skilled in the art, and change of making in not breaking away from spirit and scope of the present utility model and improvement should belong to protection content of the present utility model.

Claims

1. novel solid and gas liquid three-phase separating device comprises:

2. novel solid and gas liquid three-phase separating device according to claim 1 is characterized in that: also comprise a slush pump, to extract the mud of this first groove.

3. novel solid and gas liquid three-phase separating device according to claim 1, it is characterized in that: wherein this hang plate can be a tipping tube.

4. novel solid and gas liquid three-phase separating device according to claim 1, it is characterized in that: wherein this second groove can be cylindrical or rectangle.

5. novel solid and gas liquid three-phase separating device according to claim 1, it is characterized in that: wherein this first groove can be cylindrical or rectangle.

6. novel solid and gas liquid three-phase separating device according to claim 1, it is characterized in that: wherein the shape of this porous plate can be circle or rectangle.