CN214487404U

CN214487404U - Non-pressure three-product heavy medium cyclone structure

Info

Publication number: CN214487404U
Application number: CN202021806338.3U
Authority: CN
Inventors: 郭连富; 张小敏; 赵翔; 孙树光; 候燕风; 周强; 刘全喜
Original assignee: Huaibei Mining Co Ltd
Current assignee: Huaibei Mining Co Ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-10-26
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a three products of non-pressure heavily are situated between swirler structure, including heavily being situated between the swirler, heavily be situated between the swirler for syllogic structure and be the pan feeding guide cylinder respectively, two-stage segment cyclone tube and middlings overflow pipe, pan feeding guide cylinder and middlings overflow pipe parallel arrangement and be connected through two-stage segment cyclone tube between the two, raw coal pan feeding mouth and lower extreme are installed to the upper end of pan feeding guide cylinder and are installed the discharge gate, two-stage segment cyclone tube includes cone pipeline one and cone pipeline two, the upper end of cone pipeline one is linked together with the pan feeding guide cylinder and the ring flange is installed to lower extreme and cone pipeline between two, the middlings overflow pipe includes the overflow pipe and is located the bin outlet at overflow pipe both ends respectively, two sets of bin outlets, raw coal pan feeding mouth and discharge gate department all alternate there is the elbow and the junction installs docking mechanism. The utility model discloses a lengthening original middling coal overflow pipe length, can prolong the path length of coal, reach better branch coal effect.

Description

Non-pressure three-product heavy medium cyclone structure

Technical Field

The utility model relates to a coal treatment facility technical field specifically is a cyclone structure is heavily situated between to three products of non-pressure.

Background

The dense medium cyclone is a coal dressing equipment with simple structure, no moving parts and high dressing efficiency. Because the cyclone has no moving part, the sorting process completely depends on the flexible matching of the self structural parameter and the external operation parameter to realize the optimal sorting precision, which is the outstanding characteristic of the cyclone coal sorting method and other coal sorting methods.

However, the existing dense medium cyclone has the following problems in the use process: (1) the ash content of the middlings is low, the quantity of the middlings selected by the heavy medium cyclone is small, the ash content of the middlings at a screen opening is less than 25% on average, the yield of the middlings is about 4%, and part of middlings are mixed with gangue, so that serious waste is caused; (2) the two-stage cyclone is in an integrated design mode, when part of the cyclone is damaged, the whole two-stage cyclone needs to be replaced, and the service life is short; (3) the 75-degree elbows of the four existing heavy medium cyclones cannot be interchanged, 4 spare 75-degree elbows are needed for spare parts every time, the requirement on the machining precision of the 75-degree elbows is high, and the machining difficulty is high. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three products of non-pressure heavily are situated between swirler structure has solved the problem that proposes in the background art, satisfies the in-service use demand.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a non-pressure three-product dense medium swirler structure, includes dense medium swirler, dense medium swirler is the syllogic structure and is pan feeding guide cylinder, two-stage process vortex pipe and middlings overflow pipe respectively, pan feeding guide cylinder and middlings overflow pipe parallel arrangement just are connected through two-stage process vortex pipe between the two, raw coal pan feeding mouth and lower extreme are installed to the upper end of pan feeding guide cylinder and the discharge gate is installed to the lower extreme, two-stage process vortex pipe includes cone pipeline one and cone pipeline two, the upper end of cone pipeline one is linked together with the pan feeding guide cylinder and installs the ring flange between lower extreme and the cone pipeline two, middlings overflow pipe includes the overflow pipe and the bin outlet that is located the overflow pipe both ends respectively, and two sets of bin outlet, raw coal pan feeding mouth and discharge gate department all alternate and have the elbow and the junction install docking mechanism, docking mechanism is including forming in bin outlet, raw coal pan feeding mouth and the peripheral slot of discharge gate and the annular lug of machine-shaping in the elbow inner, the bottom of cyclic annular lug has evenly seted up a plurality of groups and has worn the mouth, it is provided with the guide bar all to move about in the mouth to wear, the inner wall at the slot is inlayed to the outside cover of guide bar and terminal the fixing, the packing is installed with the junction of heavily mediating the swirler to the elbow.

As an optimal implementation mode of the utility model, the installation of two-stage section cyclone tube is 10 degrees, the junction of cone pipeline one and cone pipeline two is apart from the terminal 400mm department of cone pipeline two.

As a preferred embodiment of the utility model, the length of the middlings overflow pipe is 1700 mm.

As a preferred embodiment of the utility model, the outside of elbow evenly is fixed with a plurality of fixed blocks of group, the screw thread mouth has been seted up in the fixed block, the screw thread mouth internal thread alternates there is the gag lever post, the terminal of gag lever post is connected and the junction has seted up the interface with the lateral wall of heavily mediating the swirler.

As a preferred embodiment of the present invention, the elbow is 75 degrees and is divided into four groups.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this scheme is through lengthening original middling overflow pipe length, can prolong the path length of coal, reaches better branch coal effect.

2. Through being two segmentation structures with the design of two-stage section cyclone tube, can change the body part pertinence that the appearance of damage in the use as required, the availability factor that can effectual improvement two-stage section cyclone tube reduces the replacement cost.

3. The same structure of each group of elbows can be each other for reserve, reduces spare part reserves to adopt bayonet mounting means, can reduce the change time, the design of the junction of elbow and device has damper in addition, can reach better branch coal effect.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a structural diagram of the two-stage cyclone tube of the present invention;

fig. 3 is a view of the elbow installation structure of the present invention.

In the figure, 1-a feeding guide cylinder, 2-a two-section cyclone tube, 3-a middling overflow tube, 4-a raw coal feeding port, 5-a discharging port, 6-a cone pipeline I, 7-a cone pipeline II, 8-a flange plate, 9-an overflow tube, 10-a discharging port, 11-an elbow, 12-a slot, 13-an annular bump, 14-a penetrating port, 15-a guide rod, 16-a spring, 17-a packing, 18-a fixed block, 19-a limiting rod and 20-a butt joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a pressure-free three-product dense medium cyclone structure comprises a dense medium cyclone, the dense medium cyclone is of a three-section structure and is respectively a feeding guide cylinder 1, a two-section cyclone tube 2 and a medium coal overflow tube 3, the feeding guide cylinder 1 and the medium coal overflow tube 3 are arranged in parallel and are connected with each other through the two-section cyclone tube 3, a raw coal feeding port 4 is installed at the upper end of the feeding guide cylinder 1, a discharge port 5 is installed at the lower end of the raw coal feeding port, the two-section cyclone tube 2 comprises a cone pipeline I6 and a cone pipeline II 7, the upper end of the cone pipeline I6 is communicated with the feeding guide cylinder 1, a flange plate 8 is installed between the lower end of the cone pipeline II 7, the medium coal overflow tube 3 comprises an overflow tube 9 and discharge ports 10 respectively located at two ends of the overflow tube 9, elbow 11 is inserted into the positions of the raw coal feeding port 4 and the discharge port 5, and a butt joint mechanism is installed at the joint, and comprises a material discharge port 10, a material outlet 11 and a butt mechanism, The coal feeder comprises a slot 12 on the periphery of a raw coal feeding port 4 and a raw coal discharging port 5 and an annular bump 13 which is processed and formed at the inner end of an elbow 11, wherein a plurality of groups of penetrating ports 14 are uniformly formed in the bottom of the annular bump 13, guide rods 15 are movably arranged in the penetrating ports 14, springs 16 are sleeved on the outer sides of the guide rods 15, the tail ends of the guide rods are fixed on the inner wall of the slot 12, and packing 17 is arranged at the joint of the elbow 11 and a dense medium cyclone.

Further improved, as shown in fig. 1: installation angle of two-stage segment cyclone tube 2 is 10 degrees, and the junction of cone pipeline one 6 and cone pipeline two 7 is apart from the terminal 400mm department of cone pipeline two 7, through being two segmentation structures with two-stage segment cyclone tube 2 design, can change the body part pertinence of the appearance damage in the use as required, can effectual improvement two-stage segment cyclone tube 2's availability factor, reduces the replacement cost.

Further improved, as shown in fig. 1: the length of the middling overflow pipe 3 is 1700 mm.

In a further improvement, as shown in fig. 3: a plurality of groups of fixing blocks 18 are uniformly fixed on the outer side of the elbow 11, a threaded opening is formed in each fixing block 18, a limiting rod 19 is inserted into the threaded opening in a penetrating mode, the tail end of each limiting rod 19 is connected with the side wall of the heavy medium cyclone, a butt joint 20 is formed in the joint, the elbow 11 can be inserted into the butt joint 20 through the limiting rods 19 after being inserted, and the stability of the joint can be improved.

Specifically, the elbows 11 are at an angle of 75 degrees and are divided into four groups, and the elbows 11 in each group have the same structure and can be used for each other, so that the spare part storage capacity is reduced.

When in use: the utility model discloses raw coal pours into and screens raw coal and discharges from discharge gate 5 through heavily mediating the swirler from raw coal pan feeding mouth 4, the middlings carries out the secondary screening in entering into middlings overflow pipe 3 through two-stage cyclone tube 2, the middlings is discharged from lower extreme bin outlet 10, the waste rock is discharged from upper end bin outlet 10, when needs are changed elbow 11, can correspond the tip of elbow 11 and insert in slot 12 and correspond the card with gag lever post 19 and go into in butt joint mouth 20, thereby reach fixed mounting's purpose.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a three products of non-pressure dense medium swirler structure, includes dense medium swirler, its characterized in that: the dense medium cyclone is of a three-section structure and is respectively a feeding guide cylinder, a two-section cyclone tube and a middlings overflow tube, the feeding guide cylinder and the middlings overflow tube are arranged in parallel and are connected with each other through the two-section cyclone tube, a raw coal feeding port and a discharge port are installed at the upper end of the feeding guide cylinder, the two-section cyclone tube comprises a cone pipeline I and a cone pipeline II, the upper end of the cone pipeline I is communicated with the feeding guide cylinder, a flange plate is installed between the lower end of the cone pipeline II and the lower end of the cone pipeline I, the middlings overflow tube comprises an overflow tube and discharge ports respectively located at two ends of the overflow tube, two groups of the discharge ports, the raw coal feeding port and the discharge port are all inserted with elbows, and the connection parts of the discharge ports, each group of the butt mechanism comprises a slot formed at the periphery of the discharge ports, the raw coal feeding port and the discharge port and an annular lug formed at the inner end of the elbows in a processing mode, the bottom of cyclic annular lug has evenly seted up a plurality of groups and has worn the mouth, it is provided with the guide bar all to move about in the mouth to wear, the inner wall at the slot is inlayed to the outside cover of guide bar and terminal the fixing, the packing is installed with the junction of heavily mediating the swirler to the elbow.

2. The pressureless three-product dense medium cyclone structure of claim 1, wherein: the installation angle of the second-section cyclone tube is 10 degrees, and the joint of the first cone pipeline and the second cone pipeline is 400mm away from the tail end of the second cone pipeline.

3. The pressureless three-product dense medium cyclone structure of claim 1, wherein: the length of the middling overflow pipe is 1700 mm.

4. The pressureless three-product dense medium cyclone structure of claim 1, wherein: the outside of elbow evenly is fixed with a plurality of groups fixed block, threaded opening has been seted up in the fixed block, threaded opening internal thread alternates there is the gag lever post, the terminal of gag lever post is connected and the junction has seted up the interface with the lateral wall of heavily mediating the swirler.

5. The pressureless three-product dense medium cyclone structure of claim 4, wherein: the elbow is 75 degrees angles and divides to be equipped with four groups.