阅读说明：本技术 一种v型选粉机新型进料装置 (Novel feeding device of V-shaped powder concentrator ) 是由 李庆文 潘光庆 张长安 吴埌 于 2019-09-29 设计创作，主要内容包括：一种V型选粉机新型进料装置,属于选粉机配件技术领域。其特征在于：中转筒(1)的底部设置有扁平状的出料口(102),中转筒(1)的顶部两侧对称设置有进料口(105)和检修口(104),进料口(105)为由下至上逐渐靠近检修口(104)的倾斜状,中转筒(1)为沿远离进料口(105)的方向容积逐渐减小的锥形,中转筒(1)上设置有将检修口(104)封闭的盖板(3)。本V型选粉机新型进料装置中的料流会受到中转筒逐渐变窄的约束作用,物料颗粒的运动形态将发生从斜下自由抛落到垂直自由落体的转变,并在出料口形成均匀的料幕,利于提高设备选粉效率,检修口的设置方便了中转筒的日常维护,检修方便。(A novel feeding device of a V-shaped powder concentrator belongs to the technical field of powder concentrator accessories. The method is characterized in that: the bottom of the middle rotary drum (1) is provided with a flat discharge hole (102), the two sides of the top of the middle rotary drum (1) are symmetrically provided with a feed inlet (105) and an access hole (104), the feed inlet (105) is in an inclined shape gradually approaching the access hole (104) from bottom to top, the middle rotary drum (1) is in a conical shape with the volume gradually reduced along the direction far away from the feed inlet (105), and the middle rotary drum (1) is provided with a cover plate (3) for sealing the access hole (104). The material flow among this novel feed arrangement of V type selection powder machine can receive the constraint effect that the transfer section of thick bamboo narrows down gradually, and the motion form of material granule will take place from the oblique transformation that freely throws the perpendicular free falling body that falls to form even material curtain at the discharge gate, do benefit to improve equipment selection powder efficiency, the setting of access hole has made things convenient for the routine maintenance of well rotary drum, and it is convenient to overhaul.)

1. The utility model provides a novel feed arrangement of V type selection powder machine which characterized in that: the device comprises a middle rotary drum (1), wherein a flat discharge port (102) is formed in the bottom of the middle rotary drum (1), the discharge port (102) is horizontally arranged, a feed port (105) and an access hole (104) are respectively formed in two sides of the top of the middle rotary drum (1), the feed port (105) is in an inclined shape gradually approaching the access hole (104) from bottom to top, the middle rotary drum (1) is in a conical shape with the volume gradually reduced along the direction far away from the feed port (105), and a cover plate (3) for sealing the access hole (104) is arranged on the middle rotary drum (1).

2. The novel feeding device of the V-shaped powder concentrator according to claim 1, characterized in that: the access hole (104) is arranged along the length direction of the middle rotary drum (1), and the access hole (104) is gradually inclined downwards along the direction far away from the feeding hole (105).

3. The novel feeding device of the V-shaped powder concentrator according to claim 1, characterized in that: the discharging port (102) is provided with a material guiding part (107) at the upper part, the material guiding part (107) is in an inclined shape which is gradually inclined from top to bottom to the middle part close to the discharging port (102), and the material guiding part (107) is symmetrically arranged at the two sides of the discharging port (102) along the width direction.

4. The novel feeding device of the V-shaped powder concentrator according to claim 1, characterized in that: the access hole (104) is provided with a connecting flange to form an access hole connecting part (108), and the cover plate (3) is detachably connected with the access hole connecting part (108).

5. The novel feeding device of the V-shaped powder concentrator according to claim 1, characterized in that: still include chute (4) and buffer cylinder (2), buffer cylinder (2) vertical setting is in well rotary drum (1) downside to link to each other with discharge gate (102), the central line of chute (4) and the central line coincidence of feed inlet (105), and chute (4) link to each other with feed inlet (105).

6. The novel feeding device of the V-shaped powder concentrator according to claim 1, characterized in that: the discharge port (102) is provided with a connecting flange to form a discharge connecting part (103), and the buffer cylinder (2) is detachably connected with the discharge connecting part (103); the feeding hole (105) is provided with a connecting flange to form a feeding connecting part (106), and the chute (4) is detachably connected with the feeding connecting part (106).

7. The novel feeding device of the V-shaped powder concentrator according to claim 1, characterized in that: the discharge hole (102) is provided with a plate valve.

8. The novel feeding device of the V-shaped powder concentrator according to claim 1, characterized in that: the inner wall of the middle rotary drum (1) is provided with a wear-resistant lining plate.

Technical Field

A novel feeding device of a V-shaped powder concentrator belongs to the technical field of powder concentrator accessories.

Background

In the cement grinding production, the feeding device of the V-shaped powder selecting machine is generally designed into a flat-mouth-shaped section, and the purpose is to ensure that the materials flowing through the V-shaped powder selecting machine form a material curtain with uniform thickness as much as possible so as to improve the powder selecting efficiency of the powder selecting machine. Currently used V-select feeders generally have the following two forms: firstly, utilize whole root feed chute, change through implementing the ladder before V type selection powder machine feed inlet to change, carry out the flattening to the material in the chute and handle, then select for V to provide the material that forms inside material curtain easily. The mode has the defects of multiple welding lines and large volume, once the mode is worn in use, the repair welding repair or replacement difficulty is large, and the thinning degree of materials entering V selection is not ideal. And secondly, a plurality of parallel blanking pipes are used for feeding the V-shaped materials. When the V-shaped material selection and feeding device adopts multi-piece blanking, a material guiding and connecting device needs to be manufactured corresponding to each feeding chute respectively. The wear degree of the materials in the mode to a single chute pipe is different, and once local wear occurs, the repair difficulty is high due to the influence of pipeline arrangement. And the material in a single chute pipe can also generate a bias flow phenomenon, so that the thickness part of the material curtain in the V-shaped powder selecting machine is uniform, and the powder selecting efficiency of the powder selecting machine can also be influenced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: overcome prior art's not enough, provide one kind and can ensure that the material curtain is even, convenient maintenance, small few novel feed arrangement of V type selection powder machine with material.

The technical scheme adopted by the invention for solving the technical problems is as follows: this novel feed arrangement of V type selection powder machine, its characterized in that: including well rotary drum, the bottom of well rotary drum is provided with the discharge gate of platykurtic, and the discharge gate level sets up, and the top bilateral symmetry of well rotary drum is provided with feed inlet and access hole, and the feed inlet is for being close to the slope form of access hole gradually by supreme down, and well rotary drum is the toper that reduces along the direction volume of keeping away from the feed inlet gradually, is provided with the apron with access hole confined on the well rotary drum.

Preferably, the access hole is arranged along the length direction of the transfer cylinder, and the access hole is inclined gradually downwards along the direction far away from the feed inlet.

Preferably, discharge gate upper portion be equipped with guide portion, guide portion is the slope form that from top to bottom inclines to being close to the discharge gate middle part gradually, guide portion symmetry sets up the both sides along the width direction at the discharge gate.

Preferably, the access hole is provided with a connecting flange to form an access hole connecting part, and the cover plate is detachably connected with the access hole connecting part.

Preferably, still include chute and buffer cylinder, the vertical setting of buffer cylinder is in transfer section of thick bamboo downside to link to each other with the discharge gate, the central line of chute and the coincidence of the central line of feed inlet, and the chute links to each other with the feed inlet.

Preferably, the discharge port is provided with a connecting flange to form a discharge connecting part, and the buffer cylinder is detachably connected with the discharge connecting part; the feed inlet is provided with flange, forms feeding connecting portion, and the chute is connected with feeding connecting portion detachable.

Preferably, a plate valve is arranged on the discharge hole.

Preferably, the inner wall of the transfer cylinder is provided with a wear-resistant lining plate.

Compared with the prior art, the invention has the beneficial effects that:

1. this novel feed arrangement of V type selection powder machine's well rotary drum is for following the toper that the direction volume of keeping away from the feed inlet reduces gradually, and the material stream can receive the constraint effect that the rotary drum narrows down gradually, and the motion form of material granule will take place from the conversion that freely falls to perpendicular free fall to the inclined down to form even material curtain at the discharge gate, do benefit to improve equipment selection powder efficiency, the setting up of access hole has made things convenient for the routine maintenance of well rotary drum, and it is convenient to overhaul.

2. The upper part of the discharge port is provided with a material guiding part which assists in finishing the direction change of the pocket material.

3. The chute sends the material into a transfer cylinder, and the buffer cylinder transfers the material sent out by the transfer cylinder to the V-shaped powder selecting machine, so that the split arrangement of the transfer cylinder, the chute and the buffer cylinder is realized, and the transfer cylinder, the chute or the buffer cylinder is convenient to replace.

4. The material flow direction can be changed through the plate valve, so that the material is conveniently adjusted, and the uniformity of the material curtain is ensured.

5. The inner wall of the middle rotary drum is provided with the wear-resistant lining plate, so that the wear resistance of the middle rotary drum is greatly improved, and the service life of the middle rotary drum is further prolonged.

Drawings

Fig. 1 is a schematic front view of a novel feeding device of a V-shaped powder concentrator.

Fig. 2 is a left side view schematic diagram of the novel feeding device of the V-shaped powder concentrator.

Fig. 3 is a perspective view of the middle drum.

Fig. 4 is a schematic left view of the middle drum.

In the figure: 1. the device comprises a middle rotary drum 101, a middle rotary drum main body 102, a discharge port 103, a discharge connecting part 104, an access hole 105, a feed port 106, a feed connecting part 107, a material guide part 108, an access hole connecting part 2, a buffer drum 3, a cover plate 4 and a chute.

Detailed Description

FIG. 1 ~ 4 shows a preferred embodiment of the present invention, which is further described below with reference to FIG. 1 ~ 4.

The utility model provides a novel feed arrangement of V type selection powder machine, includes well rotary drum 1, and the bottom of well rotary drum 1 is provided with the discharge gate 102 of platykurtic, and discharge gate 102 level sets up, and the top bilateral symmetry of well rotary drum 1 is provided with feed inlet 105 and access hole 104, and feed inlet 105 is for the slope form that is close to access hole 104 gradually by supreme down, and well rotary drum 1 is the toper that the direction volume along keeping away from feed inlet 105 reduces gradually, is provided with on well rotary drum 1 and examines access hole 104 confined apron 3. This novel feed arrangement of V type selection powder machine's transfer section of thick bamboo 1 is for following the toper that the direction volume of keeping away from feed inlet 105 reduces gradually, and the material stream can receive the constraint action that well rotary drum 1 narrows down gradually, and the motion form of material granule will take place from the conversion that freely throws the perpendicular free fall to form even material curtain at discharge gate 102, do benefit to improve equipment selection powder efficiency, the setting up of access hole 104 has made things convenient for the routine maintenance of transfer section of thick bamboo, and it is convenient to overhaul.

The present invention is further described with reference to the following detailed description, however, it should be understood by those skilled in the art that the detailed description given herein with respect to the accompanying drawings is for better explanation and that the present invention is not necessarily limited to the specific embodiments, but rather, for equivalent alternatives or common approaches, may be omitted from the detailed description, while still remaining within the scope of the present application.

Specifically, as shown in fig. 1 ~ 2, the material conveying device further comprises a chute 4 and a buffer barrel 2, wherein the chute 4 is in a square barrel shape, the chute 4 is arranged on the upper side of the middle rotating barrel 1, the chute 4 is arranged opposite to the feeding port 105 and is detachably connected with the feeding port 105, the chute 4 is used for conveying materials into the middle rotating barrel 1, the buffer barrel 2 is vertically arranged on the lower side of the middle rotating barrel 1, the section of the buffer barrel 2 is rectangular, the upper end of the buffer barrel 2 is detachably connected with the discharging port 102, the overhaul port 104 is arranged on the upper side of the middle rotating barrel 1, and the cover plate 3 is detachably mounted on the overhaul port 104.

As shown in FIG. 2 ~ 4, the middle drum 1 comprises a main body 101 of the middle drum, a feed inlet 105 and a service hole 104 are symmetrically arranged on both sides of the top of the main body 101 of the middle drum, and the feed inlet 105 and the service hole 104 are both arranged along the length direction of a discharge port 102, the discharge port 102 is arranged on the lower side of the main body 101 of the middle drum, the main body 101 of the middle drum is tapered gradually narrowing along the direction from the feed inlet 105 to the service hole 104, and the width of one end of the main body 101 of the middle drum close to the service hole 104 is equal to the width of the discharge port 102.

The cross-section of feed inlet 105 is square, and the tip of feed inlet 105 is provided with flange, forms feeding connecting portion 106, and the tip of chute 4 is provided with the flange with feeding connecting portion 106 matched with, and chute 4 and feeding connecting portion 106 detachable are connected. The central line of the chute 4 coincides with the central line of the feed inlet 105, so that the chute 4 is obliquely arranged, and materials can conveniently enter the transfer cylinder 1.

The section of the discharge port 102 is rectangular, a connecting flange is arranged at the end of the discharge port 102 to form a discharge connecting portion 103, a connecting flange matched with the discharge connecting portion 103 is arranged at the upper end of the buffer cylinder 2, and the buffer cylinder 2 is detachably connected with the discharge connecting portion 103.

The access opening 104 is inclined gradually downwards along the direction far away from the feed opening 105, and the access opening 104 is tapered gradually downwards along the direction far away from the feed opening 105 and is matched with the shape of the middle rotary drum 1. The end of the access opening 104 is provided with a connecting flange to form an access opening connecting portion 108, and the cover plate 3 is detachably connected with the access opening connecting portion 108.

The middle rotary drum 1 on the upper side of the discharge port 102 is provided with a material guiding part 107, the material guiding parts 107 are symmetrically arranged on two sides of the discharge port 102 along the width direction, and the material guiding part 107 is in an inclined shape gradually inclining towards the middle of the discharge port 102 from top to bottom.

The inner walls of the middle rotary drum 1, the buffer cylinder 2 and the chute 4 are provided with wear-resistant lining plates, and the wear-resistant lining plates are detachably connected with the middle rotary drum 1, the buffer cylinder 2 or the chute 4, so that the service life of the feeding device is prolonged. A plate valve may be provided between the outlet 102 and the buffer vessel 2 to regulate the flow.

The technical principle of the novel feeding device of the V-shaped powder concentrator is as follows: when the material slides in slope chute 4, the material stream is similar to the great rectangle of width height ratio along chute 4 central line cross sectional shape, and the material granule receives chute 4 inner wall and intergranular mutual friction influence, and instantaneous speed on same cross section has great difference, and the material granule speed of contact chute 4 inner wall can be some less, and the granule speed on bed of material upper portion can be some more. The flow velocity of the material particles on the same cross section varies and the momentum of the material particles in their downward sliding movement along the chute 4 will vary considerably. When materials on the same cross section enter the middle rotary drum 1 from the tail end of the chute 4, material particles on the upper part of the material layer directly impact the far thin end of the middle rotary drum 1 due to large momentum; the material particles which are closer to the inner wall of the chute 4 can slide down to the near thick end of the middle rotary drum 1 because the impulse generated in the movement is smaller. After a large amount of material particles are gathered at the near thick end of the feeding device, the material flow can be restrained by the gradual narrowing of the gap between the side plates of the middle rotary drum 1, the motion form of the material particles is changed from inclined downward free falling to vertical free falling, and the material guiding part 107 assists in finishing the direction change of the pocket material. In order to conveniently control the uniform falling of the material particles in the lower buffer cylinder 2, a plate valve is arranged between the buffer cylinder 2 and the discharge hole 102. A buffer cylinder 2 is independently designed between the transfer cylinder 1 and a feeding port of the V-shaped powder concentrator, and the uniformity of the internal material waterfall of the V-shaped powder concentrator can be greatly promoted. In order to facilitate maintenance, the wear-resistant lining plate on the inner wall of the novel feeding device can be made into a bolt connection specified mode.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.