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Liberia Cement Block Machine
The Pavement Block Wall Brick Making Machine is a versatile and efficient device. It can produce a variety of bricks for pavements and walls. With advanced technology, it ensures high - quality output, fast production speed, and easy operation, making it a great choice for construction material production.
Features
The production efficiency of the pavement block and wall brick making machine is affected by various factors, as follows:
**Equipment Model and Performance**: There are differences in the design and manufacturing processes of different models of making machines, resulting in significant variations in production efficiency. Small-sized pavement block and wall brick making machines may produce several hundred bricks per hour, while large-sized, highly automated making machines can have an hourly output of several thousand bricks or even more. For example, some high-end models adopt advanced hydraulic systems and efficient vibration devices, which can quickly complete the brick forming process and greatly improve production efficiency.
**Mold Specifications and Quantity**: The size of the mold specifications and the number of bricks formed at one time will directly affect the production efficiency. If the mold can form multiple bricks of smaller specifications simultaneously, or can form larger-sized bricks to reduce the number of forming operations per unit time, the production efficiency will be relatively higher. For instance, some molds can produce 4 standard-sized pavement bricks at one time. Compared with molds that can only produce 1 brick at a time, the efficiency is significantly improved.
What are the environmental protection requirements for hollow cement brick production lines?
The environmental protection requirements for hollow cement brick production lines are mainly reflected in the following aspects:
Air pollution prevention and control
Raw material storage: Cement should be stored in storage tanks, and other raw materials such as sand, rice and stone should be built in closed raw material sheds. They must not be piled in the open air to prevent dust generation.
Production process: A gas collection hood must be installed above the batching machine and mixer, and a bag dust collector is used for dust removal. The treated exhaust gas is discharged through a 15-meter-high exhaust pipe to meet the standards. The dust emission concentration at the factory boundary should meet the secondary standards in Table 2 of the "Comprehensive Emission Standards for Air Pollutants" (GB16297-1996) and the requirements of the limit value of unorganized emissions.
Transportation link: Raw materials are transported by covered or dustproof vehicles; the roads in the factory are cleaned, and the road surface is sprinkled with water to reduce dust in dry weather to maintain the humidity and cleanliness of the road surface; the entrance and exit roads of the factory area are hardened to reduce the amount of dust.
Water pollution prevention and control
Production wastewater: Maintenance wastewater, equipment cleaning wastewater and other production wastewater are collected in anti-seepage sedimentation tanks and recycled, and are not discharged. Initial rainwater can also be reused for production after sedimentation in sedimentation tanks.
Domestic sewage: After being treated in septic tanks, the pollutant emission concentration of domestic sewage should meet the third-level standard in Table 4 of the "Comprehensive Sewage Discharge Standard" (GB8978-1996), and be discharged into the park sewage pipe network and enter the sewage treatment plant for deep treatment; or after treatment, it is used for greening of the factory area and irrigation of surrounding forests, and shall not be discharged.
Noise pollution prevention and control
Equipment selection: Low-noise equipment is preferred.
Reasonable layout: Place high-noise equipment such as mixers and block machines in closed workshops, and take noise reduction measures such as sound insulation and vibration reduction to ensure that the factory boundary noise meets the Class 2 standard in the "Environmental Noise Emission Standards for Industrial Enterprises" (GB12348-2008).
Daily maintenance: Strengthen the daily maintenance and care of equipment to avoid increased noise due to equipment failure.
Solid waste pollution prevention and control
General solid waste: General industrial solid wastes such as unqualified products and sedimentation tank sediments generated during the production process should be collected and utilized in a classified manner. For example, unqualified products can be reused as raw materials in production, and sedimentation tank sediments can be transported to landfill or utilized in a comprehensive manner. The storage of general industrial solid wastes must strictly comply with the requirements of the "General Industrial Solid Waste Storage and Landfill Pollution Control Standard" (GB18599-2020).
Hazardous waste: Waste engine oil, waste lubricating oil, waste oil barrels, waste oil-containing gloves and other labor protection products are hazardous solid wastes. Hazardous waste temporary storage rooms must be built in accordance with the "Hazardous Waste Storage Pollution Control Standard" (GB18597-2001) and its amendments. After collection, they must be classified and temporarily stored in hazardous waste temporary storage rooms, and regularly handed over to qualified hazardous waste collection and disposal units for disposal.
Domestic garbage: Domestic garbage should be collected and collected in a classified manner and regularly handed over to the sanitation department for unified transportation. It must not be dumped or discarded at will.
Other requirements
Environmental management: The construction unit shall establish a sound pollution prevention and control facility operation management account, set up a special environmental protection agency, and assign a dedicated person to be responsible for environmental protection work to ensure the normal operation of various pollution prevention and control facilities and the stable and standard emission of various pollutants.
Risk prevention: Strengthen environmental risk prevention measures, reserve emergency materials and organize drills to ensure that sudden environmental incidents can be handled promptly and properly.
Total amount control: According to the requirements of the local environmental protection department, implement the total amount control index of pollutant emissions, and shall not exceed the annual total amount control index of major pollutant emissions.
Regular monitoring: Regularly monitor atmospheric pollutants, noise, etc. at the factory boundary to ensure that various pollutants are discharged in compliance with standards, and keep monitoring records for inspection by the environmental protection department.
Anti-seepage measures: Implement anti-seepage measures for factory area zoning and daily maintenance management of equipment such as pipelines, flanges, valves, sedimentation tanks, etc. in the field area to prevent surface water and groundwater pollution.
What should I pay attention to when purchasing fully automatic cement block equipment?
When purchasing fully automatic cement block equipment, you need to consider equipment performance, manufacturers, after-sales service and other aspects:
Production capacity: Choose equipment with appropriate production capacity according to your own production needs and market planning. You can understand it through the rated output of the equipment, actual production cases and other aspects. For example, if it is expected to produce 50 cubic meters of blocks per day, you need to choose equipment whose hourly output can meet the corresponding needs.
Product quality: The blocks produced by the equipment should be accurate in size, flat in appearance and meet the standards in strength. You can check the samples of the equipment manufacturer or conduct on-site inspections of customers who are using the equipment to understand the quality of their products.
Automation: Equipment with a high degree of automation can reduce labor costs, improve production efficiency and product quality stability. Pay attention to whether the equipment's feeding, mixing, molding, stacking and other links are automatically controlled, and whether the control system is advanced and stable.
Mold quality: Molds are a key factor affecting block quality and production efficiency. High-quality molds should have high wear resistance, corrosion resistance and precision retention. Understand the parameters such as mold material, manufacturing process and service life.
Equipment configuration: Check the brand, quality and performance of each component of the equipment, such as mixers, conveyors, molding machines, etc. High-quality equipment configuration can ensure the overall stability and reliability of the equipment.
Energy consumption: Consider the energy consumption of the equipment, including electricity, gas, etc. Lower energy consumption can reduce production costs, and choose equipment whose energy consumption indicators meet national standards and are relatively energy-saving.
Environmental performance: With the improvement of environmental protection requirements, equipment should have good environmental performance. For example, it should be equipped with an effective dust collection system, wastewater treatment equipment, etc. to reduce pollution to the environment.
Manufacturer strength: Choose a manufacturer with a certain scale, technical strength and production experience. The strength of the manufacturer can be evaluated by inspecting the manufacturer's production workshop, R&D team, production qualifications, etc.
After-sales service: Understand whether the manufacturer's after-sales service system is perfect, including equipment installation and commissioning, training, maintenance and spare parts supply. Timely and efficient after-sales service can ensure the normal operation of the equipment and reduce downtime.
Price and cost performance: While comparing the prices of equipment from different manufacturers, it is necessary to comprehensively consider factors such as equipment performance, quality, and after-sales service, and choose equipment with high cost performance, rather than simply pursuing low prices.
Safety performance: The equipment should be equipped with complete safety protection devices, such as guardrails, emergency stop buttons, overload protection, etc., to ensure the safety of operators.
Scalability: Consider whether the equipment has a certain degree of scalability, so that it can be easily upgraded or increased in production functions in the future according to changes in market demand.
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