- The adaptability of concrete admixture? Seven-step solution! (2)The third step of the adaptability test is to find out the saturation blending value of the superplasticizer used for this cement. If two or more superplasticizers are mixed, the cement paste is passed through the total amount of the mixture. Test to find the saturation dosage point. The closer the amount of superplasticizer is to the saturated content of the cement, the easier it is to obtain good adaptability.2020/04/23
- What is the difference between self-feeding mixer and traditional concrete mixerThe self-loading concrete mixer with automatic lubrication system can effectively reduce vehicle wear and fuel consumption! The electronic industry, which has its own precision, says that strictly controlling the proportion of ingredients, you can learn to drive in 2 to 3 hours, minimizing the threshold for workers to operate.2020/04/21
- The advent of the self-loading concrete mixer broke the efficiency of traditional concrete engineering operationsOur self-developed self-loading mixer truck can be completed in 12 minutes from feeding to discharging! The electronic industry with precision claims that the proportion of ingredients is strictly controlled, the mixer truck is anti-rolling, and the anti-falling object is suitable for operation in any venue. The mixing bucket can rotate 270 degrees and can discharge at a maximum position of 3.1 meters around the vehicle2020/04/21
- Talk about how the self-loading mixer weighingThe self-loading mixer is a concrete mixer that can load concrete materials such as stones, yellow sand, cement, water into the mixing tank. The automatic loading mixer is generally a small mixer, with a mixing volume of 2 to 6 cubic meters The automatic loading mixer can automatically load. The vehicle itself has a bucket with the same function as the loader, which can be loaded with concrete raw materials.2020/04/21
- Which wear parts of concrete pump need to be checked for wearing?There are some wearing parts of the concrete delivery pump that need to be regularly inspected for wear to ensure that the equipment can be used and operated better. This article will introduce to you which wear parts of the concrete pump need to be checked for wear:2020/04/16
- Saintyol DAWIN Machinery tells you what homework to do before buying a concrete delivery pumpThe use of concrete delivery pumps has been used in more and more constructions, especially in the construction of new countryside. It is popular because of its small footprint, flexibility and efficiency. So how to buy cost-effective concrete pump?2020/04/13
- These parts of the concrete pump truck are easily damaged (1)In addition to completing daily tasks, concrete pump trucks should also have the habit of maintaining on time. When the pump truck is performing concrete pouring operations, if the repair and maintenance are not in place, it will cause hidden safety hazards.2020/04/13
- These parts of the concrete pump truck are easily damaged (2)When the inner wall of the pump cylinder of the concrete pump truck is damaged, it should be taken out for repair immediately, or it should be turned around. In order to facilitate maintenance and replacement of the concrete cylinder, we can set a movable door cover at the bottom of the concrete hopper. The opening and closing of this movable door cover can be completed by the movement of the oil cylinder. At the same time, the concrete cylinder body can also be pulled out from this opening.2020/04/13
- The role of underground scraper underground wheel loader in modern constructionIn the current process of dike construction, the workload of long-distance earth adjustment operations is increasing. Therefore, many people think that the efficiency of the underground wheel loader scraper is low, and the scraper is useless. What role does the scraper have in the actual project?2020/04/10
- Wheel Loader loading and unloading operation instructionsSkilled operation of the wheel loader for loading and unloading activities can not only clarify the various mechanical functions, but more importantly, it is necessary to skillfully operate the machinery and rely on experience or use specifications to reduce the loss of equipment during the loading and unloading process. The relevant operation instructions are as follows:2020/04/10
- What are the bad status quo of the use of mining underground wheel loadersThe use efficiency and service life of the mining underground wheel loader are closely related to the management method of the using enterprise. Once neglected management will lead to an increase in the abnormal loss of equipment, resulting in an increase in the incidence of failure and even burying hidden safety hazards. So, what are the undesirable status quo in the use of current mining loaders?2020/04/10
- What are the working principles of the concrete mixing pump?The first is to load the material, get the material into the mixing tank, the mixing tank is driven by the motor to operate, and the mixed concrete is poured into the material bucket. The material in the hopper must enter the conveying cylinder. The conveying system is powered by the hydraulic system. The conveying cylinder is pushed through the oil cylinder, and the concrete is sucked and sent one by one. Concrete mixing tractor is composed of concrete mixing and pumping professional equipment.2020/04/08
- Summer maintenance method of concrete pump and engineIn the hot summer, the outdoor temperature on the construction site often exceeds 40 degrees. The long-term construction will cause the engine of the pump truck to heat up and the temperature of the hydraulic oil will rise, and the hot heat will further exacerbate the temperature of the engine and the hydraulic oil. So, what measures should we take to maintain the pump truck and its engine in the hot summer?2020/04/08
- Main technical parameters of small concrete pumpThe small concrete pumping pressure value has two values of high pressure and low pressure. When the main hydraulic cylinder is driven without a rod cavity, the corresponding outlet pressure is high pressure; when the small concrete pump main hydraulic cylinder is driven by a rod cavity, the corresponding outlet pressure is low pressure.2020/04/08
- Fine stone concrete pump requirements for cement pumping processThe function of fine stone concrete pump on cement in the pumping process: The pumping pressure of concrete is transmitted by the liquid phase substance in it. The liquid phase material carries the solid phase material and moves together to complete the pumping. There are two aspects of the role of cement. One is the cementation effect, which enables the concrete to maintain the state of solid phase material surrounded by liquid phase material during pumping;2020/04/03
- Application of wet concrete shotcrete machine technology in tunnel construction (1)With the continuous progress of the production technology of wet concrete spraying machinery and related materials and equipment, wet sprayed concrete will be widely used as a mature construction method.2020/04/03
1. Overview of sprayed concrete technology
1.1 Sprayed concrete process principle and characteristics
- Application of wet concrete shotcrete machine spraying machine technology in tunnel construction (2)Technical points of wet spraying operation2020/04/03
(1) When concrete is mixed in the order of sand → crushed stone → cement → water, full-automatic metering force mixer is used for mixing, and the construction ingredients are strictly operated according to the mixing ratio; after adding the compound pumping agent, the mixing is performed for more than 2 minutes. Over 4 minutes, so as not to affect the quality of the concrete.
- How to design delivery pipe lines for concrete pumpFirst of all, the conveying pipe of the concrete conveying pump needs to be piped according to the characteristics of the project and the construction site and the concrete pouring scheme. Minimize the use of bends and hoses. The laying of the conveying pipe should follow safe construction, which is convenient for cleaning the pipeline, troubleshooting and repair in principle.2020/04/03
- Fine stone concrete pump repair and maintenance knowledge tipsWith the development of the construction industry in northern China in recent years, floor heating has become a necessary facility for building construction. This also greatly promotes the use of fine stone concrete pumps. The fine stone concrete pump can not only improve work efficiency, but also help reduce the labor intensity of workers. People use fine stone concrete pumps at the same time as they start to rely on the fine stone concrete pumps. If the fine stone concrete pumps fail during2020/04/01
- Differences between trailer concrete pump and truck mounted boom concrete pump"Concrete delivery pump" and "concrete delivery pump truck" are both concrete delivery machinery. They are used in the same way, except that the former needs to be transported by a truck and requires additional support pipes, while the latter is a locomotive body with freely extending booms, no pipes are needed. And the latter is much more expensive than the former, the former needs hundreds of thousands, and the latter needs millions.2020/04/01
- Saintyol DAWIN Machinery tells you the safe operating rules of hydraulic concrete wet spraying machineHow to operate a hydraulic concrete wet spray machine? What are the precautions for safe operation of hydraulic concrete wet sprayer? The Saintyol DAWIN Machinery wet concrete spray machine manufacturer introduces the safe operating rules of hydraulic concrete wet spray machine. I hope it will be helpful for everyone to operate the wet spray machine.2020/04/01
- How to use wet sprayer wet concrete spraying machine?First, the preparation work of the hydraulic wet concrete spraying machine before starting2020/03/31
1. First, fix the hydraulic wet concrete spraying machine on a solid foundation. The spraying pipe must be reinforced and the pipeline must be installed properly without leakage.
2. Connect the three-phase power supply and check the lubricating oil level.
- Saintyol DAWIN Machinery Mini Class Mobile Concrete Mixing PumpThe towing concrete mixing pump is a small concrete conveying pump that integrates loading, mixing, and high-pressure pumping with a fully automated construction operating system. The pump is simple to operate, stable in performance and easy to move.2020/03/30
- Saintyol DAWIN Machinery Robot Shotcrete Pump Truck Shipping to Client When back on Working After Corona VirusIn order to ensure that the customer can receive the wet spray trolley spraying machine truck shotcrete pump truck as soon as possible at the construction site and put it into use, production and quality inspection leaders Michael Liu and Wang lead the production and quality inspection team to install and debug equipment to provide customers with high-quality products. Saintyol DAWIN Workers demonstrate how to lead the industry with high-quality products and services and give back to customers.2020/03/30
- Saintyol DAWIN Machinery Mini Class ------ Trailer Concrete pump operation processOperators and related equipment management personnel should read the instruction manual carefully, master its structural principles, use and maintenance, and relevant knowledge of pumping concrete; when using and operating concrete pumps, they should strictly follow the instruction manual. Because the operator needs a process to fully grasp the mechanical properties, the instruction manual should be provided at random.2020/03/30
- Saintyol DAWIN Truck Mounted Wet Concrete Robot Spraying Machine successfully arrived at the construction job sitesSaintyol DAWIN Machinery QKSP-20 concrete wet spraying machine trolley is a relatively compact and flexible engineering chassis self-propelled concrete wet spraying machine trolley robot on the domestic market. It has many advantages such as compact structure, reasonable layout, powerful functions, beautiful appearance, perfect performance, flexible boom, wide operating range and high reliability.2020/03/30
- Ten technical advantages of small wet concrete sprayer wet concrete spraying machine1. The small wet sprayer has a large displacement and high comprehensive work efficiency.2020/03/30
2. The sprayed concrete has a long distance, up to 100 meters horizontally and 60 meters vertically.
3. Multi-purpose machine, can be used as wet spray machine, can also be used as a concrete pump or mortar pump.
4. The key components of well-known domestic manufacturers are adopted to ensure the high reliability of the equipment.
- Four maintenance tips for trailer concrete mixing pumpsMany people are very concerned about the operating conditions of concrete pumps, but few people pay attention to the correct method of storing concrete pumps when they are idle. In fact, paying attention to this can avoid problems during construction. So how to properly store the stirring pump when it is idle? We visited relevant experts to address this issue.2020/03/30
- Application Scope and Maintenance of Concrete Mixing Pumping MachineSometimes the impact of concrete materials on pumping quality is very large. If the size of aggregate in the concrete is too large, many times the mixing pump cannot be pumped, but the concrete mixing pumping machine can solve the problem well. this problem. Let ’s talk about the scope of application of the Concrete Mixer with Pump all-in-one and how to repair it!2020/03/24
- Main Working Principle of Mobile Hydraulic Spreader Hydraulic Concrete Placing BoomAs a terminal equipment for pumping concrete, the mobile hydraulic distributor is used to send the pumped concrete through the pipeline to the formwork of the component to be poured. The Saintyol DAWIN hydraulic spreader concrete placing boom does not need to be fixed when in use, and can be flexibly placed according to the needs of the construction site. It adopts 360 ° full swing boom type cloth structure, which is easy to operate and flexible to rotate.2020/03/24
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- Office: 216# THE 308 STATE ROAD, CHENGYANG DISTRICT, QINGDAO SHANDONG,CHINA. Factory: No.413# Tieqishan Road, Yuhuangling Industrial Park, Chengyang District, Qingdao, China