Hollow blade group of drying machine

Abstract

The utility model discloses a hollow blade group of a drying machine, which comprises a hollow shaft and a steam pipeline, the steam pipeline is arranged in the hollow shaft, blades are symmetrically connected to two sides outside the hollow shaft, the symmetrical blades form a group of blade groups, and a plurality of groups of blade groups are arranged along the length direction of the outer wall of the hollow shaft; a cavity is formed in the paddle, and a steam inlet pipe is connected between the cavity and the steam pipeline; one end, far away from the steam inlet pipe, in each paddle is communicated with the hollow shaft and is provided with a condensation reflux inlet; the circumference of the hollow shaft is turned to the direction from the condensation reflux inlet to the steam inlet pipe; one end of the hollow shaft is further connected with a rotating connector, an interval type drainage cavity is formed in the position, located in the hollow shaft, of the rotating connector, and a water inlet backflow opening is formed in the side, facing the inner wall of the hollow shaft, of the interval type drainage cavity. Compared with the prior art, the hollow paddle set of the drying machine has the advantages that steam leakage can be reduced, and condensate water can be conveniently controlled to flow out.

Description

TECHNICAL FIELD

[0001] The utility model relates to hollow paddle dryer technical field, specifically point to the hollow paddle group of dryer. BACKGROUND

[0002] Hollow paddle dryer is widely used in food, chemical industry, petrochemical industry, dye, industrial sludge and other fields, can be stirred and heated drying to paste, granular, powdery, slurry material, so that the material can fully react, mix or dry, and its commonly used heat source medium is water vapor.

[0003] At present, basically drainage hole is set up on the main shaft, and the condensed water of steam is collected and discharged through the drainage hole, and steam leakage is caused at the same time when the condensed water is discharged, which affects the heat efficiency of the equipment. UTILITY MODEL CONTENT

[0004] (I) the problem to be solved

[0005] The utility model solves the technical problem, overcomes the above technical defects, and provides a hollow paddle group of dryer, which can reduce steam leakage and facilitate the control of condensed water outflow.

[0006] (II) technical scheme

[0007] To solve the above technical problems, the utility model provides a technical scheme of a hollow paddle group of dryer, which comprises a hollow shaft and a steam pipeline, the steam pipeline is arranged in the hollow shaft, paddle is symmetrically connected on the outer sides of the hollow shaft, the symmetric paddle is a group of paddle groups, and a plurality of groups of paddle groups are arranged along the length direction of the outer wall of the hollow shaft.

[0008] A cavity is arranged in the paddle, and a steam inlet pipe is connected between the cavity and the steam pipeline.

[0009] A condensation backflow port is arranged in the end of the paddle away from the steam inlet pipe and communicated with the hollow shaft, and the circumferential direction of the hollow shaft is from the condensation backflow port to the steam inlet pipe.

[0010] A rotary joint is further connected to one end of the hollow shaft, a spaced drainage cavity is arranged in the rotary joint and located in the hollow shaft, and a water inlet backflow port is arranged on the side of the spaced drainage cavity facing the inner wall of the hollow shaft.

[0011] As an improvement, a plurality of groups of paddle groups are arranged in a spiral shape on the outer surface of the hollow shaft.

[0012] As an improvement, one end of the steam inlet pipe is connected with the steam pipeline, and the other end extends into the cavity.

[0013] As an improvement, a flow interruption port is arranged on the side of the spaced drainage cavity away from the end of the hollow shaft, so as to divide the spaced drainage cavity into a backflow chamber and a drainage chamber.

[0014] The sliding shaft is connected by a spring in the drainage chamber, and a ball plug for blocking the flow interruption port is connected to the end of the sliding shaft.

[0015] As an improvement, a partition plate is connected to the water inlet return port in the return chamber.

[0016] As an improvement, an arc plate for guiding water flow to the condensation return port is arranged in the cavity near one end of the condensation return port.

[0017] (Three) beneficial effects

[0018] The utility model discloses compared with prior art, the advantages are in: in the application, the condensation return port of the arc plate in the cavity and the hollow shaft rotation direction setting can be used for the condensation water flow guiding in the cavity, in the application, through the hollow shaft cooperation of swivel joint, and through the interval type drainage cavity in the swivel joint setting is drained when reaching threshold value, reduces the steam leakage use, guarantees the thermal efficiency when the paddle uses. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the structure schematic diagram of hollow paddle group of drying machine.

[0020] Fig. 2 It is the partial structure schematic diagram of hollow paddle group section view of drying machine.

[0021] Fig. 3 It is the structure schematic diagram of interval type drainage chamber.

[0022] As shown in the figure: 1, hollow shaft;2, steam pipeline;3, paddle;4, cavity;5, inlet pipe;6, condensation return port;7, swivel joint;8, interval type drainage cavity;9, water inlet return port;10, flow interruption port;11, return chamber;12, drainage chamber;13, ball plug;14, drainage port;15, partition plate;16, arc plate. DETAILED DESCRIPTION

[0023] The specific embodiment of the utility model will be further illustrated below in combination with the drawings. Wherein the same parts are indicated with the same reference numerals.

[0024] It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "in" and "out" refer to the directions towards or away from the geometric center of a particular component.

[0025] It is to be understood that where an element such as a layer, region or substrate is described as being "on" another element, it can be directly on the other element or intervening elements can also be present. Where an element such as a layer, region or substrate is described as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. As used herein, the term "exemplary" means "serving as an example, instance, or illustration." Any implementation of the actual technology can not necessarily be encompassed by a particular example.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. All publications, patent applications, patents and other references mentioned herein are incorporated by reference in their entirety.

[0027] In order to make the content of the application more easily and clearly understood, the technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application.

[0028] Please refer to the drawings carefully Figs. 1-3 The hollow paddle group of the drying machine comprises a hollow shaft 1 and a steam pipe 2, the steam pipe 2 is arranged in the hollow shaft 1, paddle 3 is symmetrically arranged on the outer sides of the hollow shaft 1, the symmetric paddle 3 is a group of paddle 3 groups, and a plurality of groups of paddle 3 groups are arranged along the length direction of the outer wall of the hollow shaft 1. In one embodiment, in order to ensure the effect during use, the plurality of groups of paddle 3 groups are arranged in a spiral shape on the outer surface of the hollow shaft 1.

[0029] In one embodiment,

[0030] The paddle 3 is provided with a cavity 4, the cavity 4 is connected with the steam pipe 2 through a steam inlet pipe 5, one end of the steam inlet pipe 5 is connected with the steam pipe 2, and the other end extends into the cavity 4, so that the condensed water is prevented from flowing back, and in order to cooperate with the drainage, a condensate return port 6 is arranged in the paddle 3 away from the steam inlet pipe 5 and in communication with the hollow shaft 1,

[0031] The circumferential direction of the hollow shaft 1 is from the condensate return port 6 to the steam inlet pipe 5, an arc plate 16 for guiding the water flow to the condensate return port 6 is arranged at one end of the cavity 4 close to the condensate return port 6, and the arc plate 16 guides the condensed water in the cavity.

[0032] One end of the hollow shaft 1 is also provided with a rotating joint 7, the rotating joint 7 is provided with a spaced drainage cavity 8 in the hollow shaft 1, and the spaced drainage cavity 8 is provided with a water inlet return port 9 on the side facing the inner wall of the hollow shaft 1.

[0033] Based on the above embodiment, an arc plate 16 is arranged in the cavity 4 near one end of the condensation backflow port 6 for guiding water flow to the condensation backflow port 6, so that when rotating, the water flow is guided to the condensation backflow port following the shape of the inner wall of the cavity and the arc plate.

[0034] In one of the embodiments,

[0035] A cut-off port 10 is arranged in the spaced drainage cavity 8 away from the end of the hollow shaft 1, so as to divide the spaced drainage cavity 8 into a backflow chamber 11 and a drainage chamber 12.

[0036] A sliding shaft is arranged in the drainage chamber 12 through spring connection, and the end of the sliding shaft is connected with a ball plug 13 capable of blocking the cut-off port 10, and the drainage chamber 12 is provided with a drainage port 14 for communication with the outside, when there are more water droplets in the backflow chamber 11, the water flow squeezes the ball plug to shrink, so as to realize the communication between the backflow chamber 11 and the drainage chamber 12, and thus the water flow is drained through the drainage port.

[0037] In use, the drainage port can be arranged on one side of the gravity direction, so as to facilitate the drainage of the water flow in the drainage chamber 12.

[0038] Based on the above embodiment, a partition plate 15 is arranged in the backflow chamber 11 near the water inlet backflow port 9, and the inner wall of the hollow shaft 1 is arranged obliquely towards the water inlet backflow port 9, so that the inner diameter of the hollow shaft 1 is changed through the oblique arrangement of the inner wall, so as to guide the condensed water in the hollow shaft 1 to the water inlet backflow port 9 for use when rotating.

[0039] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0040] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, and the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0041] The utility model and its implementation mode are described above, and this description is not restrictive, and the embodiment shown in the drawings is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if those skilled in the art are inspired, without departing from the creative purpose of the utility model, without creative design, similar structure mode and embodiments of the technical scheme should belong to the protection scope of the utility model.

Claims

1. A hollow paddle assembly for a dryer, characterized by: Including hollow shaft (1) and steam pipe (2), steam pipe (2) is arranged in hollow shaft (1), and the symmetrical connection is provided with paddle (3) on both sides of hollow shaft (1), the symmetrical paddle (3) is a group of paddle (3) group, and the paddle (3) group is provided with a plurality of groups along the length direction of the outer wall of hollow shaft (1); The cavity (4) is connected with the steam pipe (2) and is provided with the steam inlet pipe (5); The end of the paddle (3) away from the steam inlet pipe (5) is communicated with the hollow shaft (1) and is provided with the condensation backflow port (6), and the circumferential direction of the hollow shaft (1) is from the condensation backflow port (6) to the steam inlet pipe (5) direction; One end of the hollow shaft (1) is also connected with the rotating joint (7), and the rotating joint (7) is provided with the interval type drainage cavity (8) in the hollow shaft (1), and the interval type drainage cavity (8) is provided with the water inlet backflow port (9) on the side of the inner wall of the hollow shaft (1).

2. The hollow paddle set of a dryer according to claim 1, characterized in that: A plurality of groups of the paddle (3) group are spirally arranged on the outer surface of the hollow shaft (1).

3. The hollow paddle set of a dryer according to claim 1, characterized in that: One end of the steam inlet pipe (5) is connected with the steam pipe (2), and the other end extends into the cavity (4).

4. A hollow paddle set for a dryer according to claim 1 or 2, characterized in that: The interval type drainage cavity (8) is provided with the cut-off port (10) on the side away from the end of the hollow shaft (1), so that the interval type drainage cavity (8) is divided into backflow chamber (11) and drainage chamber (12); The sliding shaft is connected in the drainage chamber (12) through a spring, and the sliding shaft end is connected with the ball plug (13) capable of blocking the cut-off port (10), and the drainage chamber (12) is communicated with the outside and is provided with the drainage port (14).

5. The hollow paddle set of a dryer according to claim 4, characterized in that: The isolation plate (15) is connected in the backflow chamber (11) close to the water inlet backflow port (9), and the inner wall of the hollow shaft (1) is inclined to the direction of the water inlet backflow port (9).

6. The hollow paddle set of a dryer according to claim 3, characterized in that: The arc plate (16) for guiding water flow to the condensation backflow port (6) is arranged in the cavity (4) close to the condensation backflow port (6).

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