石灰石粉仓取样装置
By designing a limestone powder silo sampling device, which adopts an inclined branch pipe and rotary valve structure, closed sampling and multiple sampling are realized, solving the problems of cumbersome sampling, high cost and environmental pollution in the existing technology, and improving the representativeness and environmental protection of the sampling.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 中煤西安设计工程有限责任公司
- Filing Date
- 2025-08-06
- Publication Date
- 2026-07-17
AI Technical Summary
Existing methods for sampling limestone powder from power plants are cumbersome, costly, have poor representativeness, and are prone to environmental pollution.
Design a limestone powder silo sampling device, which adopts an inclined branch pipe and rotary valve structure, and connects the sampling bottle through a thread to achieve closed sampling and visual observation, and supports rapid switching of multiple sampling bottles.
It improved sampling time and representativeness, prevented limestone powder leakage, reduced environmental pollution, and lowered labor costs.
Smart Images

Figure CN224518252U_ABST
Abstract
Claims
1. A limestone dust bin sampling device characterized by: The system includes a powder feeding pipe (1), a branch pipe (2) connected to the side of the powder feeding pipe (1), the branch pipe (2) being inclined upwards towards the powder feeding pipe (1), a sampling valve (3) provided on the branch pipe (2), a sampling pipe (4) connected to the end of the branch pipe (2), a plurality of sample outlet pipes (41) provided at the bottom of the sample outlet pipe (41), a rotary valve (5) installed at the discharge end of the sample outlet pipe (41), the rotary valve (5) including a mounting body (51), the mounting body (51) being fixedly installed with the sample outlet pipe (41), a rotating body (52) being rotatably installed on the mounting body (51), the rotating body (52) is fixed with a sampling interface (6), the sampling interface (6) is fixedly installed with the sampling bottle (7), the mounting body (51) is provided with a first valve plate (511), the first valve plate (511) is provided with a first discharge hole (512), the rotating body (52) is provided with a second valve plate (521), the second valve plate (521) is provided with a second discharge hole (522) that matches the first discharge hole (512), when the rotating body (52) rotates to the matching position, the first discharge hole (512) and the second discharge hole (522) are matched accordingly, and the rotary valve (5) is turned on.
2. The limestone dust bin sampling device of claim 1, wherein: The rotating body (52) is threadedly installed with the sample outlet tube (41), the rotating body (52) is threadedly installed with the sampling interface (6), and the sampling interface (6) is threadedly installed with the sampling bottle (7).
3. The limestone dust bin sampling device of claim 1, wherein: The sampling valve (3) is a manual ball valve.
4. The limestone dust bin sampling device of claim 1, wherein: The inclination angle between the branch pipe (2) and the powder supply pipe (1) is 60 degrees.
5. The limestone dust bin sampling device of claim 1, wherein: The sampling bottle (7) is transparent.
6. The limestone dust bin sampling device of claim 1, wherein: There are two first discharge holes (512), and the two first discharge holes (512) are evenly distributed on the outer periphery of the first valve plate (511).
7. The limestone dust bin sampling device of claim 1, wherein: The mounting body (51) and the rotating body (52) are connected by a rotary joint (53).