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What is the function of shear pump? What are the advantages of shear pump?
shear pumpIn the drilling fluid system, the polymer (or clay) shall enter the drilling fluid system after being sufficiently sheared in advance, so as to give full play to its efficiency and improve the performance of the drilling fluid. Now, let us introduce the advantages and functions of the shear pump.
The shear pump can provide high shear force for the rapid hydration of polymer (or clay), and solve the outstanding problem of polymer (or clay) hydration in drilling fluid or completion fluid. At the same time, the use of shear pump can reduce the amount of polymer by more than 15%, the amount of bentonite can be reduced by more than 30%, improve mud cake and filtration loss, reduce the shear ratio of drilling fluid, improve gel strength, and reach the advanced level of similar foreign products. Its shaft seal structure is more reliable, excellent performance, use and maintenance is more convenient.
shear pumpThe advantages:
1. The shear pump can greatly improve the degree of hydration of soil moving particles.
The degree of dispersion and hydration of soil moving particles in water depends on the electrolyte content, time, temperature, the amount and concentration of surface replaceable cations in the water. Under the same other conditions, the use of shear pump can save more than 30% of Pengrun soil.
2. The shear pump can shear, dilute and hydrate the polymer as soon as possible.
The high molecular weight polymers used in the mud are high in content and do not readily hydrate directly. Therefore, it is necessary to pre-shear the high molecular weight polymer. The shear pump can provide high shear efficiency to speed up the dilution and hydration process of the polymer.
3. The shear pump can provide high displacement and head to meet the requirements of mud preparation and treatment.
The shear pump is a new type of mud preparation and processing equipment, which can meet the requirements of users for preparing high-performance mud. In the case of fierce competition in the drilling market, greatly shortening the mud preparation time will bring good economic benefits to the enterprise.
structure of shear pump:
The pump body is mainly composed of the outside of the pump chamber and the inside of the pump chamber. The outside of the shear pump chamber is mainly made of stainless steel, the model is SS316, which is wear-resistant and not easy to rust. The internal structure of the pump chamber is also made of stainless steel, which is more corrosive and wear-resistant than the outside. In order to better subdivide some oxidizing liquid, without causing damage to the pump body.
shear pumpHas the following beneficial effects:
1. When the emulsifier needs to be cleaned, the switching part switches the cleaning part to make it close to the inner wall of the mixing drum, and then the motor drives the mixing shaft to rotate, driving the cleaning part to move around the inner wall of the mixing drum to clean the inner wall of the mixing drum. The cleaning operation of the mixing drum is not easily affected by the mixing blade, and the operation is simple;
2. When the shear pump is in the stirring state, the scraper is switched to the position close to the inner wall of the stirring drum by the switching member, and the motor drives the stirring shaft to rotate and stir. When the stirring shaft rotates, the scraper is driven to move around the inner wall of the stirring drum, which is conducive to the formation of turbulence in the stirring drum and makes the raw materials easier to stir evenly;
3. Use a scraper to scrape off the raw material brush on the inner wall of the mixing drum, so that the raw material is not easy to adhere to the inner wall of the mixing drum, which is conducive to more thoroughly discharging the raw material in the mixing drum and reducing the waste of resources;
4. The support rod and the support have a certain stirring effect on the raw materials in the mixing drum, so that the raw materials in the mixing drum are more likely to form turbulence during the mixing process, which is conducive to better and more uniform mixing of the raw materials.
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