Summary: Àpilẹ̀kọ yìí ń fẹ̀tàkùn-ọ̀nà sípò àwọn àlàyé nípa iṣẹ́-ṣiṣe yìí, pẹ̀lú àkópọ̀ àwọn ààmì-àyà àwọn dolomite Malaysian, àwọn ìṣòro tó wà nípa fífi kó oríṣìí-ara jùlọ lórí ilé-iṣẹ́, àtúnṣe àti ànfàní imọ́-ọgbọ́n ti ilé iṣẹ́ ọkọ ayọkẹlẹ́ NK tó lè yí padà, àti àwọn anfaani àkúnya tó jẹ́ kí àpẹẹrẹ iṣẹ́-ṣiṣe àtúnṣe pọ̀ síi.
Dolomite, mineral carbonate ti o ni calcium magnesium carbonate (CaMg(CO₃)₂), jẹ ohun elo aise ti o ni itọsẹ pupọ ti wọpọ lo ni ikole, iṣẹ-ogbin, iṣelọpọ gilasi, ati iṣowo metallurgy. Malaysia, ti o ni iwọntunwọnsi dolomite to pọ, ti ri ilosoke ninu ibeere fun awọn apanirun dolomite ti o ga didara laarin idagbasoke iyara ti apakan ohun elo rẹ, pẹlu ikole opopona, gbigbe ọkọ ile-iṣẹ ilu, ati awọn ero ohun-ini gidi.
To meet the market’s stringent requirements for dolomite aggregate quality and production efficiency, a leading Malaysian mining company partnered with SBM to deploy an advanced mobile dolomite crushing production line. This turnkey solution has achieved remarkable success in optimizing dolomite processing, reducing operational costs, and enhancing environmental sustainability. This article delves into the details of this project, including the characteristics of Malaysian dolomite, the challenges of on-site crushing, the configuration and technical advantages of the NK portable crusher plant, and the practical benefits brought by the integrated solution.

1. Itan Ọja: Awọn ohun-ini Dolomite ati Ibeere Oja ni Malaysia
Malaysia boasts significant dolomite deposits, primarily distributed in states such as Perak, Selangor, and Johor. The dolomite in these regions is characterized by high purity (CaO content 30-35%, MgO content 20-25%), dense structure, and hardness ranging from 3 to 4 on the Mohs scale, making it an ideal raw material for producing high-strength concrete aggregates, road base materials, and flux in steelmaking. With the Malaysian government’s continuous investment in infrastructure development under the 12th Malaysia Plan (2021-2025), the demand for high-quality dolomite aggregates has increased exponentially. Traditional fixed crushing plants, however, face insurmountable challenges in meeting this demand, including high upfront investment, long construction cycles, difficulty in adapting to scattered dolomite mining sites, and high transportation costs of raw ore.
The client, a well-established Malaysian mining enterprise specializing in dolomite extraction and processing, was confronted with these pain points. Its existing fixed crushing line had low production efficiency, high energy consumption, and poor mobility, making it unable to efficiently utilize scattered dolomite resources. Moreover, the uneven particle size of the final aggregates failed to meet the quality standards for high-grade construction projects. To address these issues, the client sought a flexible, efficient, and cost-effective crushing solution. After in-depth market research and technical communication, SBM's NK portable crusher plant stood out due to its superior mobility, high crushing efficiency, and intelligent control system, ultimately becoming the core equipment for the client’s new dolomite crushing line.
2. Awọn Ipenija Pataki ninu Ikọlu Dolomite ni Malaysia
The on-site crushing of dolomite in Malaysia posed several unique challenges that required a tailored technical solution. Firstly, the dolomite mining sites are widely scattered across mountainous and hilly areas, with complex terrain and poor road conditions. This demanded that the crushing equipment have excellent mobility to be easily transported and deployed to different sites without extensive infrastructure modifications. Secondly, the Malaysian climate is hot and humid, with frequent rainfall, which places high requirements on the waterproof, dustproof, and corrosion-resistant performance of the equipment. Thirdly, the client required the final dolomite aggregates to meet strict quality standards, including uniform particle size (0-5mm, 5-10mm, 10-20mm), low needle-flake content (≤10%), and high compressive strength (≥30MPa). Finally, in response to Malaysia’s increasingly stringent environmental protection regulations, the crushing line needed to minimize dust and noise pollution.
Against this backdrop, fixed crushing plants were deemed impractical due to their poor mobility and high environmental impact. In contrast, SBM’s NK portable crusher plant, with its modular design, robust structure, and advanced environmental protection systems, was well-equipped to overcome these challenges, providing a reliable solution for efficient and eco-friendly dolomite crushing.

3. Eto Ẹrọ Pataki: Ilè Ẹlẹsẹ NK ati Eto Ti a So pọ
SBM customized a comprehensive mobile crushing line for the client based on the characteristics of Malaysian dolomite and the client’s specific requirements. The core equipment is the NK series portable crusher plant, which integrates feeding, crushing, screening, and conveying functions into a single modular unit. The entire line consists of three key components: the portable jaw crusher plant, the portable cone crusher plant, and the vibrating screen portable plant, forming a two-stage crushing and one-stage screening process. This configuration ensures high crushing efficiency, stable product quality, and flexible operation.
3.1 Ẹ̀rọ àgbáwọ́ ọdẹ́ (Ìkẹ́kọ̀ọ́ àkọ́kọ́)
Gẹ́gẹ́ bí ohun èlò àkọ́kọ́ tó ń fa ìyà, ilé iṣẹ́ àfàdà ejò naa jẹ́ ẹ̀ka tó n jẹ́ àyípadà àgbo dolomite ńlá (pẹ̀lú ìwọn àtìlẹ́yìn tó pọ̀ jùlọ ti 600mm) sí àwọn pàtàkì kékeré (50-100mm) tó yẹ fún ìyàpadà kejì. Ilé iṣẹ́ yìí ni àyè tó péye pẹ̀lú àfàdà ejò tó ga, tó ní àkànṣe gíga (dé 6:1), àti agbára àfàdà tó lágbára. Àtàárọ̀ náà ni a ṣe é pẹ̀lú irin aláyèchrome to ga, tó ní ìmọ̀rẹ́ tó dára àti pípa iṣẹ́ ìgbàgbo pípẹ́, tó jẹ́ ki o dára pẹ̀lú irọrun àti àwọ̀n tó n yẹ̀.
Apẹrẹ modula ti ile-iyẹwu naa n jẹ ki ikole ati itusilẹ yara, pẹlu gbogbo ẹgbẹ ti o ni anfani lati ṣee lo ati ṣiṣẹ ni awọn wakati 24 lẹhin ti o de ni aaye. Pẹlupẹlu, ile-iyẹwu naa ni iṣakoso oníṣe ti o ni imọ-jinlẹ ti n ṣakiyesi awọn ohun pataki gẹgẹbi oṣuwọn ifunni, titẹ ikọlu, ati yük motor ni akoko gidi, ti dahun eyi ti o ṣe iṣeduro iṣẹ iduroṣinṣin ati to munadoko.

3.2 Ẹ̀rọ amọ̀kùnrin adití tó rọrùn (Iṣedapọ́ keji)
Ipele ìpẹ̀yà kejì jẹ́ pataki fún dídáná ẹni tó ń ṣètò àkàpọ̀ àwọn àwọ̀n àtọka àti ìran àkàpọ̀ dólọmọ́tì tó parí. Ètò ìṣèbọ̀ ẹ̀ka gùn àwọ̀n ẹni tí a lè gbe lọ́wọ́ ni ń lo eto àtúnṣe omi amúlékún àti àjọpínńdẹ́ ọ̀pọ̀-cylinder, tó ń jẹ́ kí iṣakoso àtọka ìdáàbòbọ̀ déédé. Ẹ̀ka gùn àwọ̀n yìí ní àpẹrẹ pátápátá ti ibi ìbànújẹ tó dàbí àkàpọ̀ (àkàpọ̀ àgbáwọ̀ fun àgbára àkọsílẹ̀ àárín), tó ń jẹ́ kí àtọka àwọn ohun tó wọ́n tú ú jọ náà ni ààmú àti akopọ̀ nùkà tó rọrùn, tó sì máa túmọ̀ sí ìpẹ̀yà to dáàbò bo àkójọpọ̀ iṣẹ́ ìkọ́lé tó ga.
O ti ni eto idinku eruku, pẹlu ẹrọ fi omi silẹ ati ideri eruku, ti o dinku pataki ifasilẹ eruku nigba ilana ibajẹ. Eto iṣakoso oye ti igbona fẹlẹfẹlẹ konkli ni asopọ laiṣe pẹlu ti ẹrọ yiya, jẹ ki iṣiṣẹ papọ laarin awọn ipele ibajẹ akọkọ ati keji. Awọn alabaṣiṣẹpọ le ṣe atunṣe iwọn ika ati iwọn iwọn awọn ọja ti awọn ọkọ ayọkẹlẹ mejeeji nipasẹ aṣáájú iṣakoso kan, mu ilọsiwaju iṣẹṣiṣẹ ati dinku agbara iṣẹ ọwọ.
3.3 Ẹ̀rọ Tẹ́ẹrẹ́ Tí a Lẹ́jọ́ (Fífẹ́ àti Ìkànsí)
After secondary crushing, the dolomite particles are sent to the vibrating screen for screening and classification. This plant is equipped with a 3-layer circular vibrating screen with a screen area of 18㎡ (1800×6000mm), which can efficiently separate the crushed products into three specifications: 0-5mm (fine aggregate), 5-10mm (medium aggregate), and 10-20mm (coarse aggregate). The vibrating screen adopts a high-frequency vibration motor, which has strong screening capacity and high screening efficiency (≥95%), ensuring that the final products meet the required particle size standards.
Ibo iboju ti wa ni ṣe ti ohun elo polyurethane ti o ni resistance giga si ìru, eyi ti o ni igbesi aye iṣẹ pipẹ ati pe o rọọrun lati rọpo. Igi naa tun ni eto belt conveyor ti o n gbe awọn aggregate ti a ṣe ipin si awọn idalẹjọ ọja to yẹ. Ilana ibojuwo ati gbigbe gbogbo rẹ wa ni adaṣe patapata, dinku ọwọ eniyan ati imudarasi ṣiṣe iṣelọpọ.
3.4 Ẹ̀rọ́ Àtìmọ̀ àti Ètò
To ensure the smooth operation of the entire mobile crushing line, SBM also provided a series of auxiliary equipment and systems, including a vibrating feeder (to ensure uniform feeding of raw ore), a belt conveyor (for material transportation between different plants), a diesel generator set (for emergency power supply), and an integrated control room (for centralized monitoring and operation of the entire line). Additionally, the line is equipped with a comprehensive environmental protection system, including dust suppression (water spray + dust collector), noise reduction (sound insulation cover for motors), and wastewater treatment (sedimentation tank for recycling water), fully complying with Malaysia’s environmental protection regulations.
4. Awọn anfani imọ-ẹrọ ti NP Ẹrọ àtẹ́ nẹ́ àlẹ́mọ́. Plant ninu ikọlu Dolomite
The NK portable crusher plant deployed in the Malaysian dolomite project boasts several core technical advantages that distinguish it from traditional crushing equipment and competitors’ products, ensuring efficient, stable, and eco-friendly operation.
4.1 Iṣipopada ati Igbadun ti o ga julọ
NK mobile crushers can adapt to various complex terrains, including mountainous areas, muddy roads, and uneven ground. The self-propelled units allows the plant to move freely between different mining sites without the need for cranes or other heavy equipment, significantly reducing the time and cost of equipment transportation and deployment. For the client’s scattered dolomite mining sites, this mobility means that the crushing line can be quickly relocated to utilize raw ore resources in different areas, maximizing resource utilization and reducing transportation costs of raw ore.
4.2 Ija Giga ati Iwa Didara Ti o Wa Ni Ipo Duro
The NK series portable crusher plants are equipped with high-performance crushing equipment (jaw crusher and cone crusher) with optimized structures and strong power systems. The primary crushing plant has a maximum production capacity of 200t/h, while the secondary crushing plant can process up to 150t/h. The entire line’s designed production capacity is 120-150t/h, which is 30% higher than the client’s previous fixed crushing line. The hydraulic adjustment system of the cone crusher ensures precise control of the discharge particle size, with a deviation of ≤2mm, ensuring uniform product quality. Moreover, the equipment is made of high-strength steel and wear-resistant materials, which can withstand the harsh operating conditions of hot and humid climates in Malaysia, ensuring long-term stable operation with a low failure rate (average failure rate ≤2% per month).
4.3 Iṣakoso Ọgbọn ati Iṣiṣẹ Rọrun
Gbogbo ila ikpọrọ alagbeka n gba eto iṣakoso ọlọgbọn ti o ni ilọsiwaju, ti o ṣopọ iṣakoso PLC, iṣẹ iboju ifọwọkan, ati awọn iṣẹ abojuto latọna jijin. Awọn ọlọjẹ le ṣakoso awọn paramita pataki bii iwọn eekaderi, titẹ ikpọrọ, iwọn otutu moto, ati iwọn awọn patikulu ti a tu silẹ ni akoko gidi nipasẹ panẹli iṣakoso aarin. Eto naa tun ni awọn iṣẹ ayẹwo aṣiṣe laifọwọyi ati awọn iṣẹ ikilọ, eyiti o le ṣe akiyesi awọn aipe ẹrọ ni igba to tọ ati ki o sọ fun awọn oṣiṣẹ itọju, dinku akoko idaduro. Ni afikun, eto naa n ṣe atilẹyin iṣẹ latọna jijin ati abojuto, ti o fun awọn alakoso laaye lati tọpinpin ipo iṣelọpọ ati iṣẹ ẹrọ lati ọfiisi, ni ilọsiwaju ṣiṣe iṣakoso. Iboju ore-ọfẹ ti eto iṣakoso naa jẹ ki o rọrun fun awọn ọlọjẹ lati kọ ẹkọ ati ṣiṣẹ, dinku ibeere fun awọn ọgbọn amọdaju ati dinku awọn idiyele iṣẹ.
4.4 Iṣẹ Abo Ayika to Dara julọ
In response to Malaysia’s strict environmental protection regulations, the NK portable crusher plant is equipped with a comprehensive environmental protection system. The dust suppression system, consisting of water spray devices installed at the feed port, discharge port, and conveyor belt, effectively reduces dust emissions by more than 90%. For fine dust that cannot be completely removed by water spray, a bag-type dust collector is installed, ensuring that the dust concentration at the work site is ≤10mg/m³, which is far below Malaysia’s national standard of 50mg/m³. The noise reduction system, including sound insulation covers for motors and crushers, reduces the noise level at the work site to ≤75dB(A), protecting the health of operators. The wastewater treatment system collects and treats the water used for dust suppression, with the treated water reused for dust suppression, realizing zero discharge of wastewater and saving water resources.
4.5 Iye idiyele ti o munadoko ati Ere to ga lori idoko-owo
Compared with traditional fixed crushing plants, the NK portable crusher plant has significant cost advantages. Firstly, the upfront investment of the mobile crushing line is 40% lower than that of a fixed plant of the same capacity, as it does not require extensive civil engineering such as foundation construction. Secondly, the mobile line’s mobility reduces the transportation cost of raw ore by 50%, as the equipment can be deployed directly at the mining site, eliminating the need to transport large raw ore to a fixed plant. Thirdly, the intelligent control system and high equipment reliability reduce labor costs by 30% and maintenance costs by 25%, respectively.
5. Awọn esi Iṣẹ akanṣe ati Awọn anfaani Onibara
Lati igba ti a ti fi ẹẹkan silẹ, ila ikọlu dolomite ti a fi ẹrọ ikọlu alaga NK ṣe pọ ni o ti ni ipinnu iduroṣinṣin fun igba pipẹ, ti o mu awọn anfani eto-ọrọ ati awujọ pataki wa si alabara. Awọn abajade iṣẹ pataki ni a ṣe akopọ bi atẹle:
- Iṣe iṣelọpọ: The actual production capacity of the line is significantly higher than the client’s previous fixed crushing equipment, enabling the client to achieve high annual output of high-quality dolomite aggregates and fully meet the supply needs of major local construction projects.
- Didara Ọja: Awọn akopọ dolomite ikẹhin ni ẹya iwọn patikulu ti o ni ibamu ati awọn ohun-ini ti ara ti o dara julọ, ni kikun ni ibamu pẹlu awọn ọjọgbọn didara fun kọǹkǹọ ti o ga ati awọn ohun elo ipilẹ opopona. Oṣuwọn iṣedede ọja ti ni ilọsiwaju pupọ, n ṣe iranlọwọ fun alabara lati ni anfani idije ti o yatọ ni ọja, pọ si iye tita ọja ati pọ si iye ọja.
- Ilana Iṣẹ: The line effectively reduces unit energy consumption, labor costs and maintenance costs. The significant annual cost savings have greatly improved the client’s profitability.
- Iṣe Ayika: Iwọn eruku ati ariwo ni ibi iṣẹ naa ni iṣakoso to dara, ti o ba awọn ilana aabo ayika agbegbe mu ni kikun. Onibara naa ti kọja awọn ayewo ayika pẹlu awọn esi to dara julọ, ti yago fun awọn ewu ayika ti o le ṣeeṣe ati mu aworan ile-iṣẹ rẹ dara si ni awọn ofin ti ojuse ayika.
- Agbara Iṣiṣẹ ati Agbara: Ilin isalẹ gbigbe le yara gbe lọ si oriṣiriṣi awọn ọna iwakusa, ni pataki mu oṣuwọn lilo awọn orisun irin raw pọ si. O tun fun alabara laaye lati ṣẹda awọn agbegbe iwakusa tuntun ti ko ṣee wọle si tẹlẹ pẹlu ẹrọ fifẹ ti o wa ni iduro, ni ilosoke si awọn agbegbe iṣowo rẹ ati ipin ọja.
The client’s project manager commented: “SBM’s NK portable crusher plant has comprehensively optimized our dolomite processing operations. Its outstanding mobility, operational efficiency and environmental performance have exceeded our expectations. The high-quality aggregates produced by the line have helped us secure contracts for multiple key infrastructure projects, and the cost savings have effectively enhanced our profitability. We are very satisfied with this cooperation and look forward to further collaboration with SBM on future projects.”
6. Application Prospects of NK Ẹrọ àtẹ́ nẹ́ àlẹ́mọ́. Plant in Malaysia’s Ṣiṣẹ-ìmọ Industry
Malaysia’s mining industry, including dolomite, limestone, granite, and iron ore mining, is poised for significant growth driven by the country’s infrastructure development and industrialization. The challenges of scattered mining sites, complex terrain, and strict environmental regulations make mobile crushing solutions an ideal choice for Malaysian mining enterprises. SBM’s NK portable crusher plant, with its superior performance and tailored solutions, has broad application prospects in Malaysia’s mining industry.
In addition to dolomite, the NK portable crusher plant can also be used for crushing other minerals such as limestone, granite, and basalt, as well as construction waste recycling. Its modular design allows for flexible configuration according to different mineral characteristics and production requirements, providing customized solutions for various applications. With the continuous advancement of intelligent and environmental protection technologies, SBM will continue to optimize the NK series portable crusher plants, enhancing their performance, reducing energy consumption, and improving user experience, to better serve the needs of the Malaysian mining industry and contribute to the country’s sustainable development.




















