I. Overview
The pneumatic sampling pipeline automatic sampling equipment, for the special production conditions of the concentrating plant, can realize the automatic continuous pipeline real-time sampling of the adjustable pneumatic pipeline slurry sampling machine on the slurry pipeline. The amount of sampled adjustment can be adjusted by changing the speed of the pneumatic actuator of the sampler. Once the slurry blocks the sampling tube or needs to be replaced, it can be replaced online without stopping production. Pneumatic device, safe and reliable to use, long life, less maintenance, dedicated to the slurry or solution, the sample is taken from the suspension solution.
Second, the working principle
The telescopic operation of the pneumatic actuator drives the connecting rod to move. The connecting rod drives the slider to reciprocate above the guide rail. The slider drives the sampling tube to reciprocate the slurry flow, so that the sample of the slurry is flowed into the sampling tube to improve sampling. Uniformity and representativeness.
Third, the performance characteristics
The actual use of the beneficiation indicates that the pipeline sampler has high sampling representativeness and reliability. Can be used for sampling a variety of fluid pipelines. Its use characteristics are as follows:
(1) Pipeline sampling machine is an automatic equipment for online real-time sampling on the official track.
(2) The sampling amount, sampling time and interval can be set by the user according to the actual use without stopping the mine.
(3) High reliability and long service life.
(4) For the pneumatic mechanism, the sampling tube has a low running speed, is safe to use, and is easy to operate.
(5) Using the special operation mode of the pipeline sampling machine, the slurry sample is intercepted perpendicular to the slurry flow direction. The sample taken by the sampling tube has high sampling uniformity and representativeness.
(6) Action mode. When the slurry passes through the pipeline sampling machine, the sampling tube is horizontally reciprocated, and a representative sample is directly intercepted and transported to the sampling barrel by the flow, and the sampling is convenient.
(7) Sampling method. Automatic sampling and manual single sampling.
(8) is a slurry pipeline sampling device that can change the sampling amount. By changing the operating speed of the pneumatic actuator, changing the speed of cutting the overflow slurry of the sampling tube, changing the flow rate of the slurry sample entering the sampling tube, and realizing the adjustment of the sampling amount. size.
(9) It is possible to regularly check and replace the sampling tube and other vulnerable moving parts of the sampling machine without stopping the production process.
Fourth, technical parameters
1. Specification of slurry pipeline: According to the need, φ50-600mm can be customized according to the actual size of the customer's pipeline.
2, technical parameters and requirements: installation angle 0 ~ 60 °; controller operating voltage AC220V; sampling period 2 ~ 60 minutes (adjustable); sampling time: 3.5s / time.
3, technical parameters and requirements: the flanges of the two ends of the sampling machine and the slurry pipe flange specifications must be consistent, easy to install and replace. The sampling machine adopts thick-walled seamless steel pipe. The sampling pipe is made of 1Cr18Ni9; the guide pipe is made of QSn4-4-4; the other parts are made of steel. One for each sampler
Five, product description
The pipeline sampling machine is installed on the medium pipeline, and a certain representative sample is vertically taken through the sampling tube for a new automatic pipe sampling device for chemical analysis.
Sixth, process and technical conditions
Installation angle 0--60 degrees, controller operating voltage AC220V.
Seven, equipment technical requirements
1. The shell of the sampler is made of seamless steel pipe. The inner wall of the pipe is lined with a ceramic wear layer with a thickness of 5mm. The service life is more than 6-8 years. In 2012, the company is developing a test using flame spray technology and special composite materials to make the product last for more than 15 years.
2. The flange installed in each sampling machine is produced according to the international GB811-59: working pressure 1.0MPa.
3. The material used for the sampling machine is as follows: motor: Y80M-4-4; pipe: thick-walled seamless pipe; sampling tube: 1Cr18Ni9; guide tube: QSn4-4-4; other parts: steel.
Eight, equipment technical characteristics
1. High sampling accuracy, and the sampling amount can be adjusted arbitrarily;
2. Pipe installation, no need for any height difference, no loss to the slurry;
3. Intermittent operation, the failure rate is extremely low.
4, frequency conversion technology, make the slurry sampling more accurate, safe and reliable.
The automatic sampling machine is especially suitable for automatic sampling at the classifier and cyclone pipe, concentrate pipe, tailing pipe and other slurry flow pipes, which is better for reducing labor intensity, reducing labor cost and increasing sampling accuracy. The role has been popularized at the scene and has become a new way of sampling.
Field application actual picture
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