Systems and methods for recovering dry bulk material from a blender at a job site are provided. The systems include at least one container having in which dry bulk material can be placed and a skid-mounted vacuum unit comprising a tank having an interior space and an outlet for interfacing with the inlet of the container when the vacuum unit is positioned proximate to the container, a vacuum pump in communication with the interior space of the tank, and a conduit coupled to an inlet of the vacuum pump for interfacing with an inlet of a blender.

A powder transfer bag includes a balloon or a membrane sealing its mouth. A connector to be used with the bags allows the bag to connect to a hydration device. A method of hydrating material in a powder transfer bag is provided.

This invention (FIG. 1) was conceived out of necessity to control hazardous conditions created while mixing materials like concrete or mortar in containers (1) such as a three gallon or five gallon bucket. The invention (2) is a vacuum attachment which produces a low pressure zone within the bucket when a vacuum is applied to the outlet port (3) of the invention that will keep dust and other airborne material from leaving the interior of the invention through the top of the opening (4). It consists of a funnel shaped opening (4) on the top and a channel around the underside of the funnel leading to the vacuum attachment opening (3), which creates high and low pressure zones, which controls the release of particulate into the atmosphere.

A material wetting system for wetting a powder material includes a liquid supply system, a material mixing unit, a material supply system, and a shroud assembly. The liquid supply system includes a supply line. The material mixing unit is in fluid communication with the supply line and includes a central cavity having an open upper end configured to receive a supply of powder material. The material mixing unit is configured to receive liquid from the supply line and is operatively connected to a reduced pressure source to draw air into the central cavity. The material supply system includes an orifice and is configured to feed powder material through the orifice, with the orifice disposed above the central cavity of the material mixing unit. The shroud assembly is disposed about the open upper end of the central cavity of the material mixing unit and the orifice of the material supply system.

The present invention discloses a feeding system that comprises a plurality of material tanks having air outlets, a plurality of blowers, a dust remover having an air inlet, and a connecting pipe. Air inlets of the plurality of blowers are in communication with the air outlets of the material tanks in one-to-one correspondence. The first end of the connecting pipe is in communication with the air inlet of the dust remover, and the second end of the connecting pipe is movable between being connected with the air outlet of a first one of the plurality of blowers and being connected with the air outlet of a second one of the plurality of blowers. The disclosed feeding system has a simple structure and zero dust leakage. Also disclosed is a glass production apparatus that comprises the disclosed feeding system.

In accordance with presently disclosed embodiments, systems and methods for handling bulk material in a manner that reduces dust, noise, and emissions are provided. The presently disclosed techniques use portable containers to transfer bulk material from a transportation unit to a blender inlet. The containers may be carried to the location on the transportation unit, where a hoisting mechanism is used to remove the container from the transportation unit and place it in a desired location. When bulk material is needed at the blender inlet, the hoisting mechanism may position the container of bulk material onto an elevated support structure. Once on the support structure, the container may be opened to release bulk material to a gravity feed outlet, which routes the bulk material from the container directly into the blender inlet. The disclosed containerized bulk material transfer system and method allows for reduced dust, noise, and emissions on location.

A powder transfer bag includes a balloon or a membrane sealing its mouth. A connector to be used with the bags allows the bag to connect to a hydration device. A method of hydrating material in a powder transfer bag is provided.

The present invention provides a dust removal system for a chimney of a mixer. The system includes a dust removal water tank and a first pipeline. One end of the first pipeline is communicated with an outlet of the chimney at a tail of the mixer, and the other end is inserted into the dust removal water tank. A water inlet and a water outlet are provided in the dust removal water tank. An exhaust port for discharging filtered gas is provided in an upper part of the dust removal water tank. The system does not need additional power, and is energy-saving and environmentally friendly. Water vapor discharged facilitates the sedimentation of dust particles in the mixer, thereby reducing loss of raw material mixture, making sintering quality more stable and solving a problem that gas discharged in prior arts contains more powder and pollutes the environment.

The present disclosure provides a fracturing fluid mixing equipment including a clear water supply system, at least two mixing systems, at least one powder tank, at least two powder conveying systems, a mixing tank, a feeding system and a power system. The clear water supply system has two parallel water supply paths which are connected to the mixing system and the mixing tank respectively. The powder conveying system is connected to the powder tank. There are same number of powder conveying systems and mixing systems which are connected in one-to-one correspondence. The mixing system is connected into the mixing tank. The feeding system adds powder by pneumatic conveying. The power system provides driving force by pure electric power and/or electro-hydraulic power. According to present disclosure, the power system can reduce fuel consumption and exhaust emissions. The feeding system can be compatible with various adding conditions of powders in different packaging, which can reduce the possibility of dust pollution, thereby reducing labor costs and occupational injuries and being more efficient and environmentally friendly.

A method and system are provided for preparing micro-ingredient feed additives for use in designated feed rations. A micro-ingredient system of the invention includes a plurality of bins that store designated micro-ingredients therein. A master controller of the delivery system provides signals to control system components based on programmed commands corresponding to micro-ingredient batches to be prepared. Slide gate mechanisms are used to prevent loss of micro-ingredients delivered to a receiving receptacle of the system. During delivery of the micro-ingredients to the receptacle and during processing, the micro-ingredients can become airborne and subsequently lost. The slide gate mechanisms also provide controlled access to the receiving receptacle to prevent system errors such as contamination of ingredients in the receptacle, or improper batching of a prescribed micro-ingredient mixture to be delivered to a designated feed ration.