RU171296U1 - FIBER FIBER PREPARATION NODE FOR PREPARING A ROAD MIXTURE - Google Patents

Abstract

The utility model relates to the production of building materials, and in particular to the technique for preparing fibrous materials before introducing them into building and road-building mixtures for reinforcing the latter. The assembly contains a hopper with slide gate valves at its inlet and outlet, a fiber fiber dryer, driven by an electric motor and placed in a swirl chamber installed after the hopper. The bunker has an element for visualizing the internal space, a temperature meter, a heater, a fan, an air heating regulator. The vortex chamber has a pipe for supplying compressed air to it and openings for receiving fiber from the hopper on one side and the release of fiber. The dryer is equipped with a speed controller. The site allows for uniform distribution of fiber in the road-building mixture. 1 s.p. f-ly, 1 ill.

Description

The utility model relates to the production of building materials, and in particular to the technique for preparing fibrous materials before introducing them into building and road-building mixtures for reinforcing the latter.

Known technical solutions aimed at eliminating the defect in the uneven distribution of fiber in different directions of preparation of the road-building mixture, including layer-by-layer distribution [RF patent for invention No. 20144228, RF patent for utility model No. 124625, copyright certificate SU No. 1235739, No. 1770131 ].

However, some of them are bulky, others are not effective enough, while others are aimed simultaneously at several aspects of resolving the quality problems of a mixture with fiber.

Known feeder for fibrous material described in the copyright certificate SU No. 1549757. It contains a housing with loading and unloading openings, feeding rotors, a ripping drum with rows of pegs located on its surface, and a compressed air supply mechanism. Each peg has a channel and an L-shaped hook located at its end.

There is also a technical solution described in the copyright certificate SU No. 1779604, which contains a device for supplying air and a feed hopper, at the discharge opening of which there is a drum with holes on the side surface. In the holes there are spring-loaded rods with rollers at the ends in contact with the cam element mounted in the central part of the drum.

The closest analogue is the solution for the preparation of fiber before feeding it into the building mixture described in the copyright certificate SU No. 1763202, which contains a hopper with loading and unloading holes, a device for feeding fiber. The working body - the dryer is made in the form of a shaft with rigid radially located elements - brushes.

The disadvantages of all the above devices and installations for the preparation and supply of fiber to the building mixture, including the closest analogue, are the insufficient design of the devices and the ensuing lack of guaranteed uniform distribution of fiber over the entire volume of the building mixture.

The objective of the claimed utility model is the uniform distribution of fiber in the road-building mixture.

The essence of the claimed utility model is characterized by the fact that it simultaneously has: a hopper with slide gates at its inlet and outlet, having an element for visualizing the internal space, a temperature meter, a heater, a fan, an air heating controller; a fiber dryer equipped with a speed controller and driven by an electric motor is placed in a vortex chamber installed after the hopper, having a nozzle for supplying compressed air to it and openings for receiving fiber from the hopper on one side and fiber outlet.

A node is also claimed in which, along with the above-described features, the visualization element is made in the form of video cameras installed at a distance from each other with the possibility of a complete overview of the hopper space and the transmission of information to the display.

The technical result. The uniform distribution of fiber in any part of the road-building mixture with the inclusion of small (discrete) elements is provided in this application by their preliminary preparation before introduction into the mixer. It provides fiber preparation specially introduced into the assembly by such a preparation assembly with original design features, in which, with a drier, the parts introduced by the authors of this application in the form of a vortex chamber with a pipe and holes for input and output of fiber fibers, as well as a fan, hopper and meter visualization element, are provided temperatures increase the overall efficiency of the unit.

The technical result of the proposed technical solution is justified by the introduction of not so much a modernization of the dryer as the introduction of means of control and regulation of the processing of fiber. The ability to intervene in the dynamics of the claimed unit using temperature and speed meters, as well as the regulators of these parameters significantly increases the technical capabilities and quality of the resulting product. In addition, technical efficiency is improved by accelerating the processing of fiber, saving energy, which at the same time stops being consumed by the node immediately after reaching the desired quality of processing fiber.

The utility model is illustrated using the drawing, in which the positions indicated:

1 - mixer (not included in the proposed solution),

2 - hopper

3 - slide gate at the inlet of the hopper,

4 - gate valve at the exit of the hopper,

5 - heater

6 - fan

7 - slide gate for regulating heat input,

8 - fluffer,

9 - electric motor

10 - swirl chamber

11 - pipe for supplying compressed air,

12 - gate valve holes for the release of fiber

13 - support post

14 - temperature meter of the hopper,

15 is a visualization element,

16 - controller for heating the air of the hopper,

17 - regulator speed of rotation of the dryer.

The fiber preparation unit for preparing the road-building mixture is installed in front of the mixer 1 (not included in the proposed solution). The node contains primarily a hopper 2 with slide gate valves at the input 3 and exit 4 from it. The hopper 2 is equipped with a heater 5 with an air heating controller and a fan 6, a slide gate 7 for regulating the heat input used for drying and heating the fiber. The fiber preparation unit also contains, like the closest analogue, a dryer 8, driven by an electric motor 9. The dryer 8 is placed in the vortex chamber 10. The vortex chamber 10 is installed after the hopper 2 and has a pipe 11 for supplying compressed air and an outlet for it fiber mixer 1 with a slide gate 12 on one side and receiving it from the hopper 2. The latter is mounted on a support column 13. The hopper 2 is equipped with a temperature gauge 14 and a visualization element 15 of the internal space, made property in the form of video cameras. The latter are installed at a distance from each other with the possibility of a complete overview of the space of the hopper 2 and display information on the display. The hopper 2 further comprises a controller for heating the air 16. The gun 8 has a speed controller 17.

The site of preparation of fiber for the preparation of the road-building mixture works as follows. The mixer 1 and the fiber preparation unit containing the hopper 2 mounted on the supporting posts 13, and the dryer 8, is placed at the building materials and mixtures factory or in close proximity to it. Through the feed pipe at the inlet by opening the slide gate 3, the fiber enters the hopper due to gravitational forces 2. The slide gate 3 of the fiber feed pipe opens taking into account the required unit performance depending on the type and capacity of the plant during continuous mixing (production of reinforced building mixtures). For the supply and dosing of fiber, the existing standard mass-produced equipment of the respective plants is used in the form of dispensers, sensors, compressors, pipelines. After opening the sliders 4 and 7, the fibers under the influence of gravitational forces and warm air from the heater 5 and fan 6 are directed into the vortex chamber 10 to the rotary dryer 8. The latter can be rotated at different speeds due to the electric motor 9 with gearbox and adjusted by the regulator rotation speeds 17 depending on the required condition of the fiber for the release of road-building mixtures. A nozzle for supplying compressed air 11 is installed in the vortex chamber 10. During mechanical action of the dryer 8 and the air flow, the fiber fibers are uniformly swelled without the formation of lumps. Due to the air flow with the open gate valve 12, the fiber is fed through the outlet through the mixer 1. The system of the gate valves 3, 4, 7, 12 of the hopper 2 eliminates the loss of fiber particles due to their departure from the working volume of the hopper 2 in an undefined direction. The hopper 2 has a visualization element 15, made, as a rule, in the form of video cameras installed at a distance from each other with the possibility of a complete overview of its space and the transmission of information on the display. To optimize the dynamics of the fluffing process, temperature meters 14 and an air heating controller 16 of the hopper 2 are used, the data from which are fed to a remote control panel.

Example

The claimed solution is implemented in the form of a prototype and is being tested in the departments of enterprises of the city of Saratov for the production of road-building materials.

Claims (2)

1. Fiber preparation unit for preparing a road-building mixture, characterized in that it comprises a hopper with slide gates at its inlet and outlet, having an internal space visualization element, a temperature meter, a heater, a fan, an air heating controller equipped with a rotational speed controller and a fiber-driven hair dryer, placed in a swirl chamber installed after the hopper, having a nozzle for supplying compressed air into it and openings for I receive fiber from the hopper on one side and release the fiber. 2. The node according to claim 1, characterized in that the visualization element is made in the form of cameras installed at a distance from each other with the possibility of a complete overview of the space of the hopper and transmitting information to the display.

Images