The desulfurized rubber and its rubber asphalt were studied from macro and micro aspects respectively,and the performance comparison between crumb rubber asphalt and desulfurized rubber asphalt was conducted.The result of solubility test show that the solubility of desulfurized rubber is much better than that of crumb rubber,and few …

Another researcher developed storage-stable asphalt paving pellets, including, materials such as recycled asphalt shingles and lime (Bailey, 2009, 2011). Additionally, ground tire rubber (GTR) bitumen pellets designed by blending CR in asphalt and pelletized by the aid of hydrated lime filler was introduced (Artamendi et al., 2014).

A technology of desulfurized lime and retarder, which is applied in the field of cement, can solve the problems of secondary pollution of desulfurized lime, and achieve the effects of excellent retarding effect, suitable particle size and increased compressive strength ... figure 2 Flow chart of the yarn wrapping machine for environmentally ...

The utilization rate of SS exceeds that of LFS due to its lower basicity, although it remains considerably lower than the rates observed in developed countries in Europe and the United States, standing at approximately 30 % [4].Currently, the internal recycling of SS predominantly takes place within the smelting production process, …

Furthermore, after desulfurization of rubber powder, it will transition from elasticity to plasticity, causing agglomeration of desulfurized rubber powder under certain storage conditions and affect further use. While the research on the preparation of asphalt rubber pellets by desulfurization rubber powder is rarely involved.

The utility model provides a powder is put in rotary kiln desulfurization system lime powder storehouse and dust arrester is put, including storage tank and slurrying pond, the bottom fixed mounting of storage tank has the material pipe, the one end that the storage tank was kept away from to the material pipe is the intercommunication setting with the …

The invention relates to a desulfurized fly ash long-time storage and precise loading method. A device used for scattering caked hard lumps is arranged in a desulfurized fly ash bin, in the production process, caked material or hard lump material enters a separator chamber under the action of gravity or a bin wall vibrator, the scattering device is started …

Mixtures with rubber modified binder have been reported with decreased traffic noise, reduced maintenance costs, and enhanced abrasive resistance, skid resistance, and rutting and cracking resistance [4], [5], [6], [7].Scanning electron microscope images of crumb rubber pre-blending demonstrated that the elastomeric properties of …

According to the U.S. Energy Information Administration's statistics, in the 2006–2016 period, approximately 42% of the electricity consumed in the U.S.A was produced by coal combustion (U.S. Energy Information Administration, 2018).The coal combustion process generates various types of residues such as fly ash, bottom ash, …

The desulfurized rubber powder content has a significant impact on the fatigue performance of asphalt mixtures. The experimental data show that when the …

The required particle size of desulfurized limestone is 250 mesh or 325 mesh (45μm) The desulfurization effect of 325 mesh limestone powder is better. The fineness of limestone powder is an important …

1. Lime Conveying and Storage : lime handling system for operations. A typical lime handling system involves the conveyance and storage of hydrated lime powder and natural rocks. Hydrated lime powder is …

Type Storage capacity T: Silo Diameter D/Total height H: Diameter of bottom tank: Feeding screw Diameter/Length L: Dissolving tank Diameter D1/Height H1

In this system, the flow direction of desulfurized material and flue gas is perpendicular to each other, improving their contact area/time and ... active slaked lime powder or …

This study comprehensively assesses the ecotechnological consideration and perspective of implementing a lime-based desulfurization process in the cast iron …

To solve the problems of storage stability and the volatile organic compound emission of waste-rubber-powder-modified bitumen, the strategy of preparing composite modifiers using waterborne ...

1. Introduction. Polymer modified asphalt mixtures have been proven to improve the road performance and prolong the service life of asphalt pavement [1], [2]mon polymer modifiers include SBS, polyethylene, polyurethane, and rubber powder, among which SBS is the most widely used polymer modifier [3], [4].Although …

A limestone powder, power plant technology, applied in the direction of the axial direction of the swirl can be reversed, the solid is separated from the solid by the air flow, the combination of the device, etc. The problems of complex process and cumbersome process can improve the convenience of operation, simple production process, and shorten the …

The utility model discloses a soot blower for storing desulfurized lime, wherein a soot cleaning pipe is in through connection with a secondary compression air bag, the corners of the soot cleaning pipe are communicated with pneumatic valves, the bottoms of the soot cleaning pipe are respectively communicated with a branch air pipe I, a branch air pipe II …

CaO. CaO is a desulfurizer commonly used in hot metal pretreatment. It is rich in resources, cheap, safe and pollution-free [].When using CaO for desulfurization, …

High-flow low-expansion backfill materials have been developed to improve difficult slurry pipeline transport and poor roof-contact effect of many filling materials. The fly ash content was fixed at 80%, …

51 desulfurized rubber content is optimum to acquire improved performance and long storage stability. 52 Zhang [11] investigated the rheological properties of DRMA with different barrel temperatures and 53 rubber powder content and noticed that better rheological and processing performance are obtained when 54 extrusion temperature is …

In recent years, applying slag micro-powder as a substitute for cement in preparing alkali-activated slag cement stabilized sand (AASCSS) mixtures has become increasingly widespread. In the severe cold regions of Xinjiang, multi-objective optimization of the mechanical and frost resistance properties of AASCSS is particularly crucial. This …

CN218840495U CN202223118752.7U CN202223118752U CN218840495U CN 218840495 U CN218840495 U CN 218840495U CN 202223118752 U CN202223118752 U CN 202223118752U CN 218840495 U CN218840495 U CN 218840495U Authority CN China Prior art keywords lime powder conveying box movable rod rotating Prior art date 2022 …

We are Lime Storage Silo manufacturer & provide Wastewater Hopper Bottom Silo, Chemical Conical Bottom Silo - Jiangsu Longdai Environmental Protection Co., Ltd.. ... SH Style Automatic Bulky Lime Store Process Silo Easy Operation Dosing System. Introdution. The main business involves petrochemical industry treatment equipment, municipal …

Desulfurized CR/SBS composite modified asphalt was prepared in a laboratory at 180 °C. First, the desulfurized CR/SBS composite modifier was added to the base asphalt and the blend was sheared at a speed of 6000 r/min for 1.5 h. Then, the speed was reduced to 1500 r/min for 1 h until fully swelled.

However, the disadvantages of RA and SBS modified asphalt cannot be ignored (Qian, C.D. et al., 2018).RA has a higher viscosity than base asphalt, which in turn increases the energy consumption and the asphalt mixture cost in the mixing and paving processes (Ameri et al., 2020).In addition, rubber powder and asphalt are easily …

The invention relates to the technical field of packaging, in particular to a finished product storage and packaging mechanism for producing desulfurized gypsum powder, which comprises support frames, a fixing frame, a limiting rod, a limiting component and a sawtooth rod, wherein the upper ends of the two support frames are fixedly provided …

Coke powder improving the performance of desulfurized activated carbon from the cyclic thermal regeneration. Author links open overlay panel Xiaojing Chen a b, Yanxia Guo c, Huirong Zhang c, Fangqin Cheng c, Zile Jiao d. Show more. ... This paper studies the effect of coke powder (CP) as an additive for improving the performance of …