How to choose a box filter press to treat sewage treatment plants, often in order to save costs, self-built sewage pool, reaction tank, sedimentation tank to solve the sewage to be treated, but when choosing a box filter press, often It is not clear, in the end, what type of filter press should be selected to process the sewage to be treated every day. Below, a rough introduction - this method is very popular, and the general factory is suitable for this method to calculate the sewage treatment volume and the filter press. .
This paper is mainly for the chamber filter press produced by our company, which is applied in the selection design parameters of sludge dewatering in the environmental protection industry (design and calculation of filtration area). The commonly used calculation methods are wet sludge volume method, dry sludge volume method and Methods such as suspended solids method, and among these design calculation methods, the wet sludge volume method is relatively accurate and the data source is better. It is recommended to use this method to calculate the filtration area:
First, the wet sludge amount method:
1. Filter area standard: The filter area of ​​the filter press manufactured according to the national standard is equivalent to a solid volume of 15L per square.
2. Before pressure filtration: volume V1 (M3), water content of sewage before pressure filtration a=97.5%~99.2% (general experience value).
3. After pressure filtration: volume V2 (M3), sludge moisture content after pressure filtration b=75%.
4, filter press cycle: the number of filter presses per day t.
5. Solid content balance method: V1*(1-a)= V2*(1-b), which gives V2=V1*(1-a)/(1-b).
6. Filtration area: =1000*V2/15/t=1000* V1*(1-a)/(1-b)/15/t.
7. For example: Guangdong Hardware Factory, after processing (to the sludge concentration tank), produces a wet sludge volume of V1=6.0 M3 and a water content of a=98.0%. It is planned to treat the sludge concentrated sludge once a day. It needs to use the filter area of ​​the filter press = 1000*6.0*(1-98%)/(1-75%)/15/1=32. According to the calculation, choose 35M2 (more than 32 M2) XMYJ35/800 One UB filter press.
Note: X - is a box filter press. M---Mingliu. Y----hydraulic automatic. J---manual jack. a - for undercurrent (except for the corrosive or volatile components of sewage, generally do not choose underflow. k - washable. b - - can not be washed. u - plastic filter plate. (The letters and notes in the note The letters in the text are unrelated.)
Website contact Mr. Wu 13760177211 Email @163.com
fax
Check valve is to rely on the flow of the media itself and automatically open and close the valve flap, used to prevent the media back to the valve. Check valve is an automatic valve, its main role is to prevent media backflow, to prevent the pump and drive motor reversal, and the release of container media.
Material: Cast Iron, Ductile Iron
Type: Wafer, Flanged, Grooved
Standard: Class 250,200WOG .16Bar
Size: 2" to 24"
Application: Pipelines with Water, Oil, Gas.
All other details or types, please send free requirments.
1.Wafer Type:
2. Flanged Type:
3. Grooved type
Check Valves,Wafer Check Valves,Swing Check Vlaves,Ball Check Valve
HEBEI ZIFENG NEW ENERGY TECHNOLOGY CO.,LTD. , http://www.zifengpipeline.com