CN210385548U

CN210385548U - Double-shaft mixer convenient to carry material

Info

Publication number: CN210385548U
Application number: CN201920903025.0U
Authority: CN
Inventors: 潘勇; 王传奇; 桂汉生; 樊业成; 安军
Original assignee: Ma'anshan Dangtu Power Generation Co ltd
Current assignee: Ma'anshan Dangtu Power Generation Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-04-24
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a double-shaft mixer convenient to carry material belongs to double-shaft mixer technical field. The utility model discloses an agitator tank, along two (mixing) shafts of horizontal direction parallel arrangement in the agitator tank, the (mixing) shaft links to each other with drive unit, is provided with multi-disc stirring vane on the (mixing) shaft, and one side that two (mixing) shafts are close to the agitator tank inner wall is provided with first boosting water pipe and second boosting water pipe respectively, still is provided with the boosting trachea between two (mixing) shafts, and first boosting water pipe, second boosting water pipe and boosting trachea all are located the head of agitator tank. The utility model aims to overcome the not enough of transport unstability, the easy wearing and tearing of blade that current double-shaft mixer exists, provide a double-shaft mixer convenient to carry material, not only reduced the wearing and tearing of blade, and improved transport stability, and then reduced the cost in business.

Description

Double-shaft mixer convenient to carry material

Technical Field

The utility model relates to a double-shaft mixer technical field, more specifically say, relate to a double-shaft mixer convenient to transported substance material.

Background

The horizontal double-shaft mixer is mainly used for mixing various powdery materials, and the traditional horizontal double-shaft mixer integrates a pushing function and a mixing function. At present, most double-shaft mixers are provided with two stirring shafts with large rigidity, a plurality of stirring blades are distributed on the stirring shafts at a certain helical angle and pitch, the two stirring shafts reversely rotate in a box body, and simultaneously spray certain moisture to the box body from the top, so that powdery materials are uniformly stirred and humidified in the box body, and the uniformly stirred materials after being humidified are conveyed out.

At present, ash storehouses and ash storehouses adopted by most power plants all use a double-shaft mixer, coke blocks and dust generated after coal burning can not be broken into fine ash slag after being normally conveyed into a slag crusher to be broken, and the ash slag contains a large amount of impurities, so that the ash slag resistance is large when the double-shaft mixer is used for conveying, and blades are easy to wear and deform under the extrusion of the ash slag, so that the blades are damaged, and the ash slag can not be conveyed out in time. When the material accumulation in the stirring box is serious, and the double-shaft stirrer cannot work normally. Therefore, it is a continuous objective in the industry to design a double-shaft mixer which is stable in transportation and can reduce the abrasion of blades.

Through search, a great number of patents have been published on the structure of the double-shaft mixer, such as Chinese patent application No.: 2016200922066, the name of invention creation is: double-shaft mixer convenient to clearance, this application disclose double-shaft mixer convenient to clearance, including drive mechanism, the stirring biax group that is equipped with sprocket group, gear train, the stirring biax group is connected with drive mechanism, and double-shaft mixer convenient to clearance still includes the casing, and in the casing was arranged in to the stirring biax group, the top surface of casing was provided with the shower nest of tubes, and the bottom surface of casing is provided with the washing nozzle. The scheme is a good exploration for the structure of the double-shaft stirrer, but still has space for further improvement, and the research on the double-shaft stirrer in the industry is never stopped.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome the not enough of transport unstability, the easy wearing and tearing of blade that current double-shaft mixer exists, provide a double-shaft mixer convenient to carry material, not only reduced the wearing and tearing of blade, and improved transport stability, and then reduced the cost in business.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a biax mixer convenient to carry material, including the agitator tank, along horizontal direction parallel arrangement two (mixing) shafts in the agitator tank, the (mixing) shaft links to each other with drive unit, is provided with multi-disc stirring vane on the (mixing) shaft, and one side that two (mixing) shafts are close to the agitator tank inner wall is provided with first boosting water pipe and second boosting water pipe respectively, still is provided with the boosting trachea between two (mixing) shafts, and first boosting water pipe, second boosting water pipe and boosting trachea all are located the head of agitator tank.

As a further improvement, the cross-section of the stirring blade is crescent, and the sunken direction of the stirring blade faces the discharge hole direction of the stirring box.

As a further improvement of the utility model, the top of one side of the stirring box close to the discharge port is provided with a steam outlet which is connected with a steam exhaust pipeline.

As a further improvement of the utility model, the cross section of the stirring shaft is rectangular, and stirring blades are arranged on four planes of the rectangle.

As a further improvement of the utility model, one side of the stirring blade close to the stirring shaft is provided with a fixed plate, and the connection can be dismantled between the fixed plate and the stirring shaft.

As a further improvement of the utility model, the included angle α between the bottom arc tangent line of the stirring blade close to one end of the stirring shaft and the axial direction of the stirring shaft is 30-45 degrees.

As a further improvement of the utility model, the stirring shaft is surrounded and is provided with a plurality of stirring blades, and the plurality of stirring blades are spirally distributed along the length direction of the stirring shaft.

As a further improvement, the top is provided with the water spray pipeline in the agitator tank, and the water spray pipeline is provided with a plurality of nozzles along the even interval in the length direction.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses a biax mixer convenient to carry material, one side that two (mixing) shafts are close to the agitator tank inner wall is provided with first boosting water pipe and second boosting water pipe respectively, still be provided with the boosting trachea between two (mixing) shafts, first boosting water pipe, second boosting water pipe and boosting trachea all are located the head of agitator tank, play lubricated and boosting effect when carrying material, not only reduced the material and worn and torn to stirring vane, can also in time carry away the material that gets into in biax mixer system.

(2) The utility model discloses a double-shaft mixer convenient to carry material, one side top that the agitator tank is close to the discharge gate has seted up the steam vent, and the steam vent links to each other with the exhaust steam pipe way, and the during operation, the inside high temperature steam of agitator tank carries partial material to discharge from the steam vent at top, has reduced the inside temperature and the pressure of agitator tank, and the output material of being convenient for, and has reduced the corruption of high temperature steam to stirring vane.

(3) The utility model discloses a biax mixer convenient to carry material, stirring vane's cross-section is crescent, and stirring vane's sunken direction is sunken towards the discharge gate direction of agitator tank, and the arc line section on the stirring vane is sunken towards the output direction of material promptly, conveniently carries away the material better, and stirs more evenly.

(4) The utility model discloses a biax mixer convenient to carry material, stirring vane is close to bottom circular arc tangent line of (mixing) shaft one end and (mixing) shaft contained angle α between the axial 30-45, stirring vane carries out the circular motion when the axis of (mixing) shaft becomes the slope arrangement form and makes the material produce axial motion, make the material stir more even stirring vane's thickness along keeping away from the (mixing) shaft direction and reducing gradually, the tip thickness that is close to the (mixing) shaft is great, stirring vane's installation stability has been improved, the tip thickness of keeping away from the (mixing) shaft is less, the tip of keeping away from the (mixing) shaft promptly is comparatively sharp-pointed, be convenient for easily break up the stirring.

(5) The utility model discloses a biax mixer convenient to carry material, stirring vane's bottom is provided with the fixed plate, can dismantle the connection between fixed plate and the (mixing) shaft, fixes anomalous stirring vane on the (mixing) shaft through the fixed plate, has improved stirring vane's installation stability, can dismantle the connected mode and conveniently dismantle change stirring vane, the maintenance of being convenient for, and cost of maintenance is lower.

Drawings

FIG. 1 is a schematic structural view of a dual-shaft mixer for facilitating material transportation according to the present invention;

fig. 2 is a schematic view of a top view structure of the double-shaft mixer for conveying materials of the present invention.

The reference numerals in the schematic drawings illustrate:

100. a stirring box; 110. a stirring shaft; 120. a stirring blade; 121. a fixing plate; 130. a feed inlet; 140. a discharge port; 150. a steam exhaust port; 160. a spray water pipeline; 161. a nozzle; 210. a first boost water pipe; 220. a second boost water pipe; 230. And (4) boosting the air pipe.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be further described with reference to the following examples.

Example 1

With reference to fig. 1 and fig. 2, the dual-shaft mixer convenient for conveying materials of the embodiment includes a mixing box 100, a material inlet 130 and a material outlet 140 are respectively arranged at the head and the tail of the mixing box 100 (as shown in fig. 1, the head and the tail are respectively indicated as the left side and the right side of the mixing box 100), and materials enter the mixing box 100 from the material inlet 130 of the head and are conveyed to the material outlet 140 of the tail through mixing; the top is provided with spray water piping 160 in the agitator tank 100, and spray water piping 160 is provided with a plurality of nozzles 161 along even interval on the length direction, and when the material began to get into agitator tank 100, open nozzle 161 and spray the material of below, reach lubricated effect behind the humidification material, and can restrain the raise dust of material. As shown in fig. 2, two stirring shafts 110 are arranged in parallel in the horizontal direction in the stirring box 100 in this embodiment, and the stirring shafts 110 are connected to a driving unit, specifically, the driving unit in this embodiment may use a motor commonly used in the industry to drive the stirring shafts 110 to rotate. As shown in fig. 2, in the embodiment, the stirring shaft 110 is provided with a plurality of stirring blades 120 at intervals along the length direction, and the stirring blades 120 on the two stirring shafts 110 are arranged in a staggered manner, so as to break up and stir the material uniformly and convey the material to the discharge port 140. The rotation directions of the two stirring shafts 110 are different, so that when the double-shaft stirring machine works, the rotation directions of the stirring blades 120 on the two stirring shafts 110 are opposite, the material moves towards the middle in the positive half cycle, the gap between the two stirring shafts 110 is filled, and at the moment, the stirring blades 120 distributed on the two stirring shafts 110 extrude the material; when the material rotates to the rear half of the circumference, the stirring blade 120 forces the material to move from the middle to the two sides, and the resistance of the side wall of the stirring box 100 extrudes the material, so that the stirring dead angle is eliminated, the stirring is more uniform and thorough, the axial movement of the material is enhanced, and the material is conveniently and better pushed.

As shown in fig. 2, in this embodiment, a first boost water pipe 210 and a second boost water pipe 220 are respectively disposed on one side of each of the two stirring shafts 110 close to the inner wall of the stirring box 100, a boost air pipe 230 is further disposed between the two stirring shafts 110, the first boost water pipe 210, the second boost water pipe 220 and the boost air pipe 230 are all located at the head of the stirring box 100, when materials are conveyed, the materials are flushed and pushed by flushing water and flushing air respectively, so as to perform lubricating and boosting functions, thereby reducing the abrasion of the materials on the stirring blades 120, and being capable of timely conveying the entering materials in the dual-shaft stirrer system.

As shown in fig. 1, in this embodiment, the cross section of the stirring blade 120 is crescent, the concave direction of the stirring blade 120 faces the discharge port 140 of the stirring box 100, that is, the arc-shaped line segment on the stirring blade 120 is concave towards the output direction of the material, and the thickness of the stirring blade 120 is first increased and then decreased along the direction away from the stirring shaft 110, so as to form an arc-shaped concave, and to facilitate better conveying the material, and to stir more uniformly, as shown in fig. 1, an included angle α between a bottom arc tangent of the stirring blade 120 near one end of the stirring shaft 110 and the axial direction of the stirring shaft 110 is 30-45 ° in this embodiment, specifically, in this embodiment, an included angle α between the stirring blade 120 and the stirring shaft 110 is 30 °.

(mixing) shaft 110 encircles and is provided with multi-disc stirring vane 120 in this embodiment, and multi-disc stirring vane 120 is spiral distribution along (mixing) shaft 110's length direction, has increaseed the stirring dynamics to the material, makes the material stirring more even thorough, and is convenient for carry the material.

When the embodiment is used specifically in an ash storehouse of a power plant, the spraying water pipeline 160 is opened after the double-shaft mixer is opened, then the slag-discharging pneumatic gate valve is opened to feed ash into the mixing box 100, the first boosting water pipe 210, the second boosting water pipe 220 and the boosting air pipe 230 are opened to boost the ash, the mixing shaft 110 is driven by the motor to drive the mixing blades 120 to rotate circumferentially, the ash is scattered and conveyed to the discharge port 140, after the end of ash-discharging conveying, the slag-discharging pneumatic gate valve is closed, the spraying water pipeline 160 is closed, the first boosting water pipe 210, the second boosting water pipe 220 and the boosting air pipe 230 are used for blowing and flushing the residual ash in the mixing box 100 and then closing the mixing box, and finally the double-shaft mixer is stopped, so that the stirring and conveying of the ash can be easily realized, and a certain clean environment can be kept in the mixing box 100.

Example 2

The structure of the twin-shaft mixer for facilitating material conveying of this embodiment is substantially the same as that of embodiment 1, except that the included angle α between the mixing blades 120 and the mixing shaft 110 is 40 °.

In this embodiment, the cross section of the stirring shaft 110 is rectangular, and the four rectangular planes are all provided with the stirring blades 120, so that the stirring blades 120 are more stably fixed on the planes. As shown in fig. 1, in the embodiment, the fixing plate 121 is disposed at the bottom of the stirring blade 120, the fixing plate 121 is detachably connected to the stirring shaft 110, and the irregular stirring blade 120 is fixed on the stirring shaft 110 through the fixing plate 121, so that the installation stability of the stirring blade 120 is improved; in this embodiment, the fixing plate 121 and the stirring shaft 110 can be detachably connected by bolts, pins, rivets, or the like, and the detachable connection belongs to the conventional art and is not described herein. The detachable connection mode is convenient for detaching and replacing the stirring blade 120, is convenient for maintenance, and has lower maintenance cost.

As shown in fig. 1, in this embodiment, a steam outlet 150 is formed in the top of one side of the stirring box 100 close to the discharge port 140, the steam outlet 150 is connected to a steam exhaust pipeline, and when the stirring box operates, high-temperature steam inside the stirring box 100 carries a part of material to be discharged from the steam outlet 150 at the top, so that the temperature and pressure inside the stirring box 100 are reduced, the material is convenient to output, and the corrosion of the high-temperature steam to the stirring blades 120 is reduced.

Example 3

The structure of the twin-shaft mixer for facilitating material conveying of this embodiment is substantially the same as that of embodiment 1, except that the included angle α between the mixing blades 120 and the mixing shaft 110 is 45 °.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a double-shaft mixer convenient to carry material, includes agitator tank (100), has two (mixing) shaft (110) along horizontal direction parallel arrangement in agitator tank (100), and (mixing) shaft (110) link to each other with drive unit, are provided with multi-disc stirring vane (120) on (mixing) shaft (110), its characterized in that: one side of each stirring shaft (110) close to the inner wall of the stirring box (100) is provided with a first boosting water pipe (210) and a second boosting water pipe (220), a boosting air pipe (230) is further arranged between the two stirring shafts (110), and the first boosting water pipe (210), the second boosting water pipe (220) and the boosting air pipe (230) are all located at the head of the stirring box (100).

2. A dual axis blender for facilitating material transfer as claimed in claim 1, wherein: the section of the stirring blade (120) is crescent, and the concave direction of the stirring blade (120) faces the discharge hole (140) of the stirring box (100).

3. A dual axis blender for facilitating material transfer as claimed in claim 1, wherein: the top of one side of the stirring box (100) close to the discharge hole (140) is provided with a steam outlet (150), and the steam outlet (150) is connected with a steam exhaust pipeline.

4. A dual axis blender for facilitating material transfer as claimed in claim 2, wherein: the cross section of the stirring shaft (110) is rectangular, and stirring blades (120) are arranged on four rectangular planes.

5. A twin-shaft mixer for facilitating the transfer of materials as claimed in any one of claims 1 to 4 in which: one side of the stirring blade (120) close to the stirring shaft (110) is provided with a fixing plate (121), and the fixing plate (121) is detachably connected with the stirring shaft (110).

6. The double-shaft mixer convenient for conveying materials of claim 1, wherein an included angle α between a bottom arc tangent line of one end of the mixing blade (120) close to the mixing shaft (110) and the axial direction of the mixing shaft (110) is 30-45 degrees.

7. A dual axis blender for facilitating material transfer as claimed in claim 1, wherein: the stirring shaft (110) is provided with a plurality of stirring blades (120) in a surrounding manner, and the plurality of stirring blades (120) are spirally distributed along the length direction of the stirring shaft (110).

8. A twin-shaft mixer for facilitating the transfer of materials as claimed in any one of claims 1 to 4 or 6 to 7 wherein: the top in agitator tank (100) is provided with spray water pipeline (160), and spray water pipeline (160) are provided with a plurality of nozzles (161) along length direction even interval.