Pipe accessing device
Patent Information
- Authority / Receiving Office
- CN ยท China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ็ๅค่
- Publication Date
- 2013-11-27
Smart Images
Figure 1
Abstract
Description
technical field
[0001] The invention relates to a building water supply and drainage device, in particular to a pipe access device. Background technique
[0002] At present, there are many problems in the drainage system, such as leakage, odor return, noise, etc., especially the pollution of leakage and odor return is particularly prominent; in order to solve the above problems, many technicians have proposed different solutions for the above problems: 1. In the special single standpipe system, a hollow water flow is formed by setting a water channel at the junction of the horizontal pipe and the standpipe, so as to improve the ventilation capacity of the drainage standpipe and reduce the odor return of the floor drain; 2. Adopt the double standpipe method and set a special Ventilation pipe to reduce the problem of floor drain odor return; 3. Adopt double standpipe self-circulation mode to improve the exhaust capacity of the standpipe and reduce the problem of floor drain od...