Blowing nozzle of pulverized coal rotor metering scale

Abstract

The utility model relates to the technical field of discharge ports of pulverized coal rotor metering scales, and discloses a blow-out nozzle of a pulverized coal rotor metering scale, which comprises a blow-out nozzle main body, a discharge port is arranged on the outer surface of the upper end of the blow-out nozzle main body, and a feed port is arranged on the outer surface of the lower end of the blow-out nozzle main body. The blowing-out nozzle is in a wide horn shape so that materials can enter smoothly, the main body structure of the blowing-out nozzle is made of high-strength and corrosion-resistant materials, the interior of the blowing-out nozzle is subjected to special smoothing treatment, resistance and adhesion of the materials in the flowing process are reduced, the discharging speed of the materials can be greatly increased through the overall structural design and a smooth internal channel, and the service life of the blowing-out nozzle is prolonged. And meanwhile, a high-quality material formed at a time through QT700 casting and an advanced manufacturing process are adopted, so that the discharging head has the longer service life, the equipment updating cost of an enterprise is reduced, and better use prospects can be brought.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal dust rotor metering scale's discharge port technical field, concretely is a coal dust rotor metering scale's blow out mouth. BACKGROUND

[0002] The coal dust rotor metering scale discharge port is the core component of coal dust quantitative conveying, adopts the design of rotor compartment rotation and compressed air auxiliary unloading, realizes dynamic measurement in combination with annular balance type weighing structure, is easy to cause the baffle, the material of the material or the measurement deviation in the operation due to the high coal dust humidity, the unstable air pressure or the too big sealing gap, and the optimization direction includes controlling the raw coal moisture content, optimizing the material uniform device layout, selecting the high sealing rotor scale model, and strengthening the air pressure monitoring and intelligent calibration to guarantee the discharge continuity and the measurement accuracy, supports the stable operation of industrial combustion system.

[0003] But it still has some shortcomings, for example: the discharge head structure is simple, the function is single, cannot satisfy the increasingly complex production process and the high quality production requirement, for example, some discharge heads are prone to material accumulation, blockage during the discharging process, leading to poor discharging; the discharging speed and the discharging amount of some discharge heads are difficult to control, which affects the consistency and accuracy of production.

[0004] To solve the above problems, a coal dust rotor metering scale blow-out nozzle is provided in the application. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a coal dust rotor metering scale blow-out nozzle to solve the problems of unstable discharging speed, difficult to control discharging accuracy and easy to blockage in the prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a coal dust rotor metering scale blow-out nozzle, comprising a blow-out nozzle main body, an upper end outer surface of the blow-out nozzle main body is provided with a discharge port, a lower end outer surface of the blow-out nozzle main body is provided with a feeding port, and the discharge port and the feeding port are connected in communication, the feeding port is provided as a horn-shaped port, one side outer wall of the blow-out nozzle main body is fixedly connected with a side plate, and upper and lower end outer surfaces of the blow-out nozzle main body are provided with fixed positioning holes.

[0007] Compared with the prior art, the utility model has the advantages of:

[0008] The utility model discloses a feed inlet is provided, its shape is wide horn shape, to facilitate the smooth entry of material, and the blowout nozzle main part structure adopts the material of high strength, corrosion -resistant to make, and the inside is handled specially smooth, reduces the resistance and adhesion of material in the flowing process, and the overall structural design and smooth internal passage, can greatly improve the material discharge speed, thereby improve the production efficiency, at the same time, adopt the high quality material of QT700 casting one -off forming and advanced manufacturing process, make the discharge head have longer service life, reduce the equipment updating cost of enterprise. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 It is the overall structure schematic drawing of the blowout nozzle (discharge port) of the coal powder rotor metering scale of the utility model,

[0010] Fig. 2 It is the overall structure schematic drawing of the blowout nozzle (feed inlet) of the coal powder rotor metering scale of the utility model.

[0011] In the drawing: 1, blowout nozzle main part, 2, discharge port, 3, feed inlet, 4, side plate, 5, fixed positioning hole. DETAILED DESCRIPTION

[0012] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0013] Please refer to Figs. 1-2 The utility model provides a kind of technical scheme: the blowout nozzle of a kind of coal powder rotor metering scale, including blowout nozzle main part 1, its inside is handled specially smooth, can reduce the resistance and adhesion of material in the flowing process, facilitate the rapid falling of material, the upper end outer surface of blowout nozzle main part 1 is provided with discharge port 2, the lower end outer surface of blowout nozzle main part 1 is provided with feed inlet 3, and discharge port 2 and feed inlet 3 are connected, feed inlet 3 is provided as horn mouth, its setting horn mouth, can effectively control the speed of unloading, prevent airflow interference, the outer wall of one side of blowout nozzle main part 1 is fixedly connected with side plate 4, the upper and lower outer surface of blowout nozzle main part 1 is provided with fixed positioning hole 5, its setting fixed positioning hole 5, can conveniently we stably install blowout nozzle on coal powder rotor metering scale

[0014] Working principle:

[0015] The coal dust rotor metering scale's blowout nozzle, when using, through the setting feed inlet 3, its shape is wide horn shape, so that the smooth entry of material, the blowout nozzle main body 1 structure adopts the material made of high strength, corrosion resistance, the inside is treated specially smooth, reduces the resistance and adhesion of material in the flowing process, and the overall structural design and smooth internal passage, can greatly improve the material discharge speed, can further improve the production efficiency, at the same time, adopt the high quality material of QT700 casting one-time forming and advanced manufacturing process, make the discharge head have longer service life, reduce the equipment updating cost of enterprise.

[0016] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model protection.

Claims

1. A blow nozzle of a coal dust rotary weigher, comprising a blow nozzle body (1), characterized in that: The upper end outer surface of the blowing nozzle body (1) is provided with a discharge port (2), the lower end outer surface of the blowing nozzle body (1) is provided with a feeding port (3), and the discharge port (2) and the feeding port (3) are connected in communication, the feeding port (3) is provided as a horn-shaped port, one side outer wall of the blowing nozzle body (1) is fixedly connected with a side plate (4), and the upper and lower end outer surfaces of the blowing nozzle body (1) are provided with fixed positioning holes (5).

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