A kind of floating ball lever formula equipment that dams
The utility model relates to a kind of equipment that dams, particularly a kind of floating ball lever formula that is used in catchpit equipment that dams.
The construction speed of China city (town) Wastewater Treatment Plant and supporting pipe network is obviously accelerated in recent years; Based on China's national situation and city (town) draining present situation; Most city (town) adopts the shutoff type combined drainage system usually carrying out keeping combined system basically when sewage network is built.This mode have engineering quantity less relatively, practice thrift investment, be easy to construction, instant effect, advantage such as workable.But when rainy season, will carry a large amount of rainwater and get into Wastewater Treatment Plant, and cause Wastewater Treatment Plant's treatment scale and construction investment to increase, and owing to be mixed with sewage in the rainwater of overflow, can not avoid the discharging water body is caused part and short-term pollution simultaneously.For this reason, the sewage catchpit occurred, it is the crucial structure in the shutoff type combined drainage system.City dry flow sewage and early-stage rainwater are dammed into the sewage intercepting sewer; In order to avoid urban water-body receives even more serious pollution; The sewage that it should dam gets into closure works system, reaches the purpose of regulation water environment, guarantees again do not allowing the rainwater that surpasses the amount of damming to enter into a section dirty system when raining heavyly.
But; In practice, adopt this kind catchpit will take into full account the geographical position that catchpit is placed; And maximum problem be how to design can solve when waterlogging caused by excessive rain occurring, realize efficient cut dirty, to alleviate the pressure of city (town) sewerage treatment to greatest extent.
Summary of the invention
The purpose of the utility model is the deficiency that solves prior art, provide a kind of simple in structure, cheap,
Easy to use, cut the high a kind of floating ball lever formula that is widely used in catchpit of the dirty efficient equipment that dams.
The utility model adopts following technical proposals: a kind of floating ball lever formula equipment that dams; Comprise framework; Framework is provided with two groups of parallel guide rails; Wherein fixed installation one has the sealing surface of snap ring on one group of guide rail, the cross section of said snap ring be circular and its diameter and catchpit in to cut the external diameter of dirty pipe identical, the dirt that cuts that is used to be connected to catchpit is managed; On another group guide rail gate moving up and down is installed, said gate is connected with ball float through lever.
Adopt technique scheme, balancing weight is installed on the ball float, the top that said balancing weight can be installed in ball float also can be installed in the bottom of ball float.
In sum,, be connected on the dirty pipe of cutting of catchpit, and then fixed the floating ball lever formula equipment that dams, adopt this apparatus structure simple through the snap ring on the sealing surface owing to adopted and on framework, fixedly mount sealing surface; Utilize lever principle, ball float linked to each other with gate through lever, according to ball float stressed difference drive and cut dirty gate motion, and then realize damming effect, need not power consumption, cheap, cut dirty efficient height.
Description of drawings
Fig. 1 is the dam sketch map of equipment of floating ball lever formula;
Fig. 2 is dam another sketch map of equipment of floating ball lever formula;
Fig. 3 is the dam scheme of installation of equipment of floating ball lever formula.
Among the figure, 1 sealing surface, 2 snap rings, 3,3 ' guide rail, 4 gates, 5 frameworks, 6 levers, 7 ball floats, 8 balancing weights, the dirty collecting fitting of 9 rain, 10 storm-water drainage pipes, 11 catchpits.
The specific embodiment
The utility model is described in further detail with the specific embodiment below in conjunction with accompanying drawing 1, accompanying drawing 3:
The utility model adopts balancing weight to be installed in the example on ball float top; Snap ring 2 is connected on the entrance of cutting dirty pipe in the catchpit 11; Situation at no rain is descended, and sewage gets into catchpit 11 by the dirty collecting fitting 9 of rain, because liquid level is not high in the catchpit 11; This moment, gate 4 was in opening, and catchpit 11 backs are direct finally to get into Wastewater Treatment Plant through snap ring 2 and the junction entering sewage backbone network that cuts dirty pipe so sewage gets into.Running into Sometimes When It Rains; Water level rises in the catchpit 11; This moment, ball float 7 will float along with the rising of water level, drove gates 4 along the guide rail 3 of framework frame 5 ' move downward and then block and cut a dirty tube inlet through lever 6, and rainwater will directly discharge through storm-water drainage pipe 10 this moment; And after rain stops drawdown, this moment, ball float 7 will fall owing to deadweight, drove gate 4 along the guide rail 3 of framework 5 ' move upward, and made gate 4 open, and then had realized the effect of the dirty shunting of rain.