Gravity Cylinder Thickener Ⅱ

 

Used for thickening low consistency pulp.

 

 

Except for having the same characteristics as the gravity cylinder thickener, this machine has yet such characteristics as high rigidity of web cylinder and large equipping cap.

 

 

1.Enlarged Cylinder Screen Size

The diameter and length of the cylinder screen have undergone significant and substantial increases compared to the previous generation. The enlarged diameter provides a broader filtering surface, allowing the pulp to have more extensive contact with the filter screen, thereby enhancing the filtering efficiency. The increased length prolongs the residence time of the pulp within the cylinder screen, ensuring more thorough separation of moisture and significantly improving the thickening effect.

 

The larger size not only implies an increase in the single processing capacity but also offers the possibility to accommodate different scales of production demands, enabling the equipment to handle large-scale papermaking production more effortlessly.

 

2.Optimized Filtration Structure

The shape of the mesh pores has been meticulously redesigned, discarding the traditional circular or square pores and adopting more elongated and angled pore structures. This unique design can capture fibers of different sizes more effectively while reducing the loss of fine fibers, improving the recovery rate of fibers.

 

The number of filter layers has been increased from the original single or double layers to a multi-layer composite structure. The pore size and material of each layer of the filter screen have been carefully selected and matched to form a step-by-step filtration system. The outermost layer of the filter screen can block larger impurities and fiber clusters, the middle layer further filters fine fibers, and the innermost layer ensures that the final discharged water has the lowest fiber content, thereby greatly enhancing the filtration fineness and thickening quality.

 

3.Upgraded Scraper System

The length of the scraper has been extended correspondingly along with the increase in the size of the cylinder screen, and its shape and angle have been optimized to ensure a more perfect fit with the surface of the cylinder screen. Such a design enables the scraper to remove the concentrated pulp more comprehensively and evenly during operation, avoiding incomplete scraping or local accumulation.

 

The material of the scraper has been selected as a special alloy with higher strength, hardness, and wear resistance. This material can withstand prolonged friction and impact with the surface of the cylinder screen and is less prone to deformation and damage in harsh working environments, significantly extending the service life of the scraper and reducing the frequency and cost of replacement.

 

4.Upgraded Drive System

The motor power has been significantly enhanced, upgraded from the conventional power to a higher-power model. The powerful motor can provide a more abundant and stable power output for the operation of the equipment, ensuring that it can maintain an efficient rotational speed and stable operating state even when processing a large amount of pulp.

 

The transmission components have adopted high-precision, high-strength gears or chains. These new transmission components have smaller tooth clearances and higher transmission efficiency, enabling the power of the motor to be transmitted to the cylinder screen and other moving parts more precisely and rapidly, reducing energy loss during the transmission process, and simultaneously reducing noise and vibration, improving the overall operational stability of the equipment.

 

5.Improved Pulp TankThe capacity of the pulp tank has been significantly increased compared to the previous generation. The larger capacity enables the pulp tank to store more pulp to be concentrated, reducing the frequency of refilling and ensuring the continuity and stability of production.

 

An advanced agitation device has been added internally. Through intelligent control, the agitation speed and intensity can be automatically adjusted according to the concentration and flow rate of the pulp. The function of the agitation device is to keep the pulp uniformly distributed within the tank, avoiding sedimentation and uneven concentration, thereby providing stable and consistent feeding conditions for the cylinder screen and further improving the stability and consistency of the thickening effect.

 

6.Intelligent Control System

A series of more advanced and sensitive sensors, such as pressure sensors, flow sensors, and concentration sensors, have been equipped to monitor various parameters during the operation of the equipment in real-time and accurately, such as the rotational speed of the cylinder screen, the pressure of the scraper, the feeding speed of the pulp, and the concentration after thickening.

 

Based on these real-time monitored data, a powerful intelligent controller has been adopted, which can automatically analyze and process this information and adjust the operating parameters of the equipment in real-time according to the preset optimization algorithms and process requirements, such as automatically adjusting the rotational speed of the cylinder screen, the pressure and position of the scraper, to ensure that the equipment operates in the best state at all times.

 

The remote monitoring and fault diagnosis function has been realized. Through network technology, operators can view the operating status and parameters of the equipment in real-time in the control center or office far away from the equipment site through a computer or mobile device, and quickly receive alarm information and detailed fault diagnosis reports when the equipment malfunctions or behaves abnormally, facilitating timely measures for maintenance and handling, significantly reducing the downtime due to faults and improving production efficiency.

 

 

1.Significantly Enhanced Production Capacity

The increase in the size of the cylinder screen and the collaborative optimization of various components have led to a qualitative leap in the equipment's pulp processing capacity. Compared to the previous generation, the production capacity may increase several times or even more, meeting the growing production demands of large papermaking factories and providing strong support for enterprises to expand production scale and enhance market competitiveness.

The greater processing capacity means that more concentrated pulp can be produced within the same period, thereby shortening the production cycle and improving the efficiency of the entire papermaking production line, bringing higher economic benefits to enterprises.

 

2.Remarkably Improved Thickening Effect

The coordination of the optimized filtration structure and the upgraded scraper system enables more thorough separation of moisture and fibers during the thickening process of the pulp, thereby obtaining concentrated pulp with higher concentration and more uniformity. This not only improves the quality and stability of the pulp but also provides higher-quality raw materials for the subsequent papermaking process, contributing to the production of smoother, tougher, and higher-quality paper products.

 

The reduction in the loss of fine fibers and damage to fibers maximally retains the fiber characteristics and length distribution in the pulp, significantly enhancing the physical properties of the paper, such as strength, air permeability, and water absorbency.

 

3.Significantly Enhanced Operational Stability

The powerful drive system and the improved pulp tank provide a solid foundation for the stable operation of the equipment. Even when processing pulp with high concentration, high viscosity, or during long-term continuous operation, the equipment can maintain a stable rotational speed, uniform feeding, and effective thickening, reducing production interruptions and quality fluctuations caused by equipment failures or unstable operation.

 

The advanced sensors and intelligent control system can monitor and adjust the operating status of the equipment in real-time, promptly detect and solve potential problems, and prevent the occurrence of faults, further improving the reliability and stability of the equipment and providing a strong guarantee for the continuous production of enterprises.

 

4.Obvious Energy-saving and High-efficiency Advantages

Despite the increase in the scale and processing capacity of the equipment, through the upgrade of the transmission system, the optimization of intelligent control, and the efficient collaboration of various components, more precise energy distribution and utilization have been achieved. The motor can automatically adjust the power output when not operating at full load, reducing unnecessary energy consumption. The intelligent control system can optimize the operating parameters of the equipment based on the actual production demand, avoiding energy waste.

 

The efficient thickening process itself also reduces the energy demand for subsequent processes such as drying because the pulp after more thorough concentration requires less moisture to be removed during drying, thereby reducing the total energy consumption of the entire production process, in line with the development trend of energy conservation and consumption reduction in modern industry.

 

5.More Convenient Operation and Maintenance

The intelligent control system features a simple, intuitive operation interface and a user-friendly operation process, greatly reducing the learning cost and work difficulty for operators. Operators can easily set and adjust the operating parameters of the equipment and monitor the operating status in real-time through the touch screen or computer terminal, and promptly handle various alarm and prompt information.

 

The advanced design and optimized structure make the maintenance of the equipment more convenient and rapid. For example, components that are easy to disassemble and install, centralized lubrication and maintenance points, clear markings and instructions, etc., all contribute to reducing maintenance time and manual labor intensity. At the same time, the improvement in the stability and reliability of the equipment also reduces the frequency and cost of maintenance, lowering the operating cost of enterprises.

 

6.Wide and Flexible Adaptability

It can handle various types and sources of pulp, including but not limited to wood pulp, straw pulp, waste paper pulp, etc., and can achieve effective concentration for pulps of different concentrations, viscosities, and fiber lengths. This provides enterprises with more flexibility in the selection and use of raw materials and allows for flexible adjustment of the production formula based on market supply and cost factors.

 

It can quickly adapt to changes in various production requirements by adjusting the operating parameters and component configurations of the equipment according to different production process requirements and product quality standards. This wide adaptability offers more possibilities for enterprises to respond to market changes, develop new products, and optimize production processes, enhancing the market competitiveness and innovation ability of enterprises.

 

 

Type		ZNW4025	ZNW4525	ZNW5030	ZNW5530	ZNW6030
Filtrating area：㎡		40	45	50	55	60
Consistency of inflow pulp：%		0.5～1
Consistency of outflow pulp：%		4～6
Capacity of Production：t/d	Rich-wheat-straw pulp：t/d	40～60	45～67	50～75	55～82	60～90
	Mixed waste paper：t/d	60～80	67～90	75～100	82～110	90～120
	Reed pulp：t/d	80～100	90～112	100～125	110～137	120～150
	Chemical wood pulp：t/d	120～140	135～157	150～175	165～192	180～210
Power of motor：kw		15	18.5			22
(L×W×H)：mm		7565×4030×3095	8210×4030×3095	8995×4030×3095	8420×4580×3560	8950×4580×3560

 

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