CN201841118U

CN201841118U - Sealing device for powder concentrator

Info

Publication number: CN201841118U
Application number: CN2010205650893U
Authority: CN
Inventors: 何亚民; 魏勇; 徐智平
Original assignee: Chengdu Leejun Industrial Co Ltd
Current assignee: Chengdu Leejun Industrial Co Ltd
Priority date: 2010-10-18
Filing date: 2010-10-18
Publication date: 2011-05-25
Anticipated expiration: 2020-10-18

Abstract

The utility model discloses a sealing device for a powder concentrator and belongs to the field of the powder concentrator. The sealing device for the powder concentrator comprises a fixed cylinder (1) and a rotary cylinder (2). The end part of the rotary cylinder (2) is sleeved in a shell of the end part of the fixed cylinder (1). The sealing device is characterized in that the shell of the end part of the fixed cylinder (1) is fixedly connected with a stationary ring (4); the stationary ring (4) is formed by splicing at least two stationary ring blocks; the outside of the end part of the rotary cylinder (2) is fixedly connected with a primary ring (3); and the stationary ring (4) and the primary ring (3) are spaced mutually. The sealing device for the powder concentrator can greatly reduce the processing difficulty, is convenient to install and replace, improves the product quality and reduces the using cost.

Description

A kind of sealing device of powder concentrator

Technical field

The utility model relates to the sealing device of a kind of powder concentrator, particularly a kind of powder concentrator.

Background technology

At present, in the recovery process in the production process of building materials and mine, can use dynamic powder concentrator usually, be used to select different big or small powders, so very high to the sealing requirements of powder concentrator, also just requiring to have extraordinary sealing device.Traditional powder concentrator, the general fixed palace type sealing of adopting of sealing between its rotor and the housing, be subjected to the limitation of fixed palace type sealing principle, the requirement on machining accuracy of rotor and housing is very high, and it is big that difficulty is changed in installation, and seal clearance is adjusted difficulty, it is not in place to cause effective seal clearance to be adjusted, it is thick to cause finished product to run at last, influences product quality, causes the production cost height.

The utility model content

Goal of the invention of the present utility model is: at the problem of above-mentioned existence, provide a kind of and can reduce difficulty of processing, easy to install and replace, the sealing device that improves the quality of products, reduce the powder concentrator of use cost greatly.

The technical solution adopted in the utility model is as follows:

The sealing device of powder concentrator of the present utility model, comprise stationary cylinder and rotor, the end of described rotor is set in the housing of stationary cylinder end, be fixedly connected with on the end housing of described stationary cylinder and decide ring, described fixed ring encircles piece surely by at least two and is spliced, the outside, end of described rotor is fixedly connected with rotating ring, space between described fixed ring and the rotating ring.

Owing to adopted said structure, decide space between the rotating ring on ring and the rotor end on the stationary cylinder end, make the end of rotor be set in the housing of stationary cylinder end, go into hermetically-sealed construction, can relatively rotate between rotor and the stationary cylinder, form movable sealing, described fixed ring encircles piece surely by at least two and is spliced, and is convenient to removing and installing between rotating ring and the fixed ring.The sealing device of powder concentrator of the present utility model forms the type sealing of relatively turnable palace between fixed ring and the rotating ring, it can reduce the difficulty of processing of sealing device, the installation that makes things convenient for sealing device and replacing greatly, improve the quality of products, reduces use cost.

The sealing device of powder concentrator of the present utility model is provided with the thin slice annulus between the described fixed ring.

Between fixed ring, the thin slice annulus is set, be convenient to adjust the distance of deciding between ring and the fixed ring, be convenient to rotating ring and decide interannular separate, bump when avoiding relatively rotating between rotating ring and the fixed ring, and adjust the distance between rotating ring and the fixed ring, can adjust sealed spacer according to actual needs, be convenient to the installation and the replacing of sealing device.

The sealing device of powder concentrator of the present utility model, described thin slice annulus is spliced by at least two thin slice annulus pieces.

Because the thin slice annulus is spliced by at least two thin slice annulus pieces, make installation and removal thin slice annulus according to actual needs, adjustment decide the distance between ring and the fixed ring.

The sealing device of powder concentrator of the present utility model forms axial seal between described rotating ring and the fixed ring, and its seal clearance is 0 mm～50mm.

Form axial seal between rotating ring and the fixed ring, make the sealing device can form good sealing effectiveness on axis direction, thereby improve the quality of this product, it is thick to avoid finished product to run.

The sealing device of powder concentrator of the present utility model forms radial seal between the inwall of described fixed ring and the outer wall of rotor, and its seal clearance is 0mm～50mm.

The radial seal that forms between the inwall of fixed ring and the outer wall of rotor has guaranteed that the sealing device can be at sealing effectiveness in the radial direction, thereby has improved the quality of this product, avoids finished product to run slightly.

In sum, owing to adopted technique scheme, the beneficial effects of the utility model are:

1. the sealing device of powder concentrator of the present utility model adopts the type sealing of relatively turnable palace, make things convenient for sealing device installation and replacing, improved product quality, reduced use cost;

2. the sealing device of powder concentrator of the present utility model is simple in structure, adopts spliced connected mode, can reduce the difficulty of processing of sealing device, the installation that makes things convenient for sealing device and replacing greatly.

Description of drawings

Fig. 1 is the structural representation of the sealing device of powder concentrator of the present utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the structural representation of rotating ring;

Fig. 4 is a structural representation of deciding the piece of ring;

Fig. 5 is the structural representation of thin slice annulus piece.

Mark among the figure: 1-stationary cylinder, 2-rotor, 3-rotating ring, 4-encircle surely, 5-thin slice annulus.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is done detailed explanation.

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

Embodiment 1 is as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, the sealing device of powder concentrator of the present utility model, comprise stationary cylinder 1 and rotor 2, wherein be set to flange arrangement on the end face of stationary cylinder 1, being convenient to the sealing device is connected with other parts of powder concentrator, the other end of stationary cylinder 1 is similarly flange arrangement, be bolted to connection housing on the flange arrangement, certainly can connect by rivet or bolting equally, be glued with on the described housing and decide ring 4 and thin slice annulus 5, surely encircling 4 is fixed together by bolt and stationary cylinder 1 equally with thin slice annulus 5, make that encircling 4 surely is fixedly connected on the end housing of stationary cylinder 1, forms a monoblock type ring cavity.Described fixed ring encircles piece surely by two or three and is spliced, certainly can select to encircle piece surely by polylith equally according to the actual needs is spliced, each encircles surely and is provided with bolt hole on the piece, being convenient to encircle surely piece is fixed on the housing, described thin slice annulus 5 is spliced by two or three thin slice annulus pieces, each thin slice annulus piece is provided with bolt hole, be convenient to thin slice annulus piece with encircle surely 4 and housing be fixed together.Certainly thin slice annulus 5 can be selected to be spliced by more thin slice annulus piece according to actual needs, as long as can satisfy the demand, realization will encircle 4 functions of keeping apart surely and get final product.Thin slice annulus 5 will encircle 4 surely keeps apart, and is convenient to place rotating ring 3, can make rotating ring 3 equally and encircle the certain interval of maintenance between 4 surely, thereby avoid relatively rotating between rotating ring and the fixed ring, causes collision and damages.Rotating ring 3 is an annulus, is fixedly connected on the end face outside of rotor 2, and the other end of rotor 2 is set to flange arrangement, is convenient to rotor 2 and is connected with other parts of powder concentrator.Surely encircle 4 and rotating ring 3 between the space, make the end of rotor 2 be set in the housing of stationary cylinder 1 end, surely encircle 4 and rotating ring 3 between the palace type sealing of getting along in relative rotation, wherein rotating ring 3 and encircle 4 surely between form axial seal, its seal clearance is 25mm, certainly as required can be greater than 0mm, less than select arbitrarily in the scope of 50mm, make to encircle surely 4 with rotating ring 3 between the good sealing of maintenance on axis direction.Because the end face of rotor 2 is set in the inwall of deciding ring 4, therefore guaranteeing to encircle surely between the outer wall of 4 inwall and rotor 2 must seal clearance be 25mm, make and to form radial seal between the outer wall encircle 4 inwall and rotor 2 surely, certainly its seal clearance can be greater than 0mm according to actual needs, select in the number range less than 50mm, as long as can guarantee to decide good sealing property between the outer wall of the inwall of ring 4 and rotor 2.The thin slice annulus (5) that is arranged in stationary cylinder 1 end is used to adjust to be decided ring 4 and encircles distance between 4 surely, since encircle surely 4 with rotating ring 3 between form relatively turnable palace type and seal, so adjust encircle surely 4 and the distance encircled surely between 4 be 50mm, seal box with the type sealing of assurance palace is good, and its distance must guarantee to be in the scope of 0mm～100mm.

Embodiment 2 is similar as embodiment 1, and its difference is: rotating ring 3 and the seal clearance that encircles surely between 4 are 5mm, and the seal clearance that encircles surely between the outer wall of 4 inwall and rotor 2 is 50mm, adjust encircle surely 4 and the distance encircled surely between 4 be 5mm.

Embodiment 2 is similar as embodiment 1, and its difference is: rotating ring 3 and the seal clearance that encircles surely between 4 are 50mm, and the seal clearance that encircles surely between the outer wall of 4 inwall and rotor 2 is 5mm, adjust encircle surely 4 and the distance encircled surely between 4 be 100mm.

According to the principle of the foregoing description as can be known, rotating ring 3 and the seal clearance that encircles surely between 4 can be selected arbitrarily in greater than scope between the 0mm to 50mm, surely encircle between the outer wall of 4 inwall and rotor 2 seal clearance for greater than select arbitrarily in the scope between the 0mm to 50mm, adjust to encircle surely 4 with encircle distance between 4 surely for can selection arbitrarily in greater than the scope between the 0mm to 100mm.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. the sealing device of a powder concentrator, comprise stationary cylinder (1) and rotor (2), the end of described rotor (2) is set in the housing of stationary cylinder (1) end, it is characterized in that: be fixedly connected with on the end housing of described stationary cylinder (1) and decide ring (4), described fixed ring (4) encircles piece surely by at least two and is spliced, the outside, end of described rotor (2) is fixedly connected with rotating ring (3), space between described fixed ring (4) and the rotating ring (3).

2. the sealing device of powder concentrator as claimed in claim 1 is characterized in that: be provided with thin slice annulus (5) between the described fixed ring (4).

3. the sealing device of powder concentrator as claimed in claim 2, it is characterized in that: described thin slice annulus (5) is spliced by at least two thin slice annulus pieces.

4. as the sealing device of claim 1 or 2 or 3 described powder concentrators, it is characterized in that: form axial seal between described rotating ring (3) and the fixed ring (4), its seal clearance is 0 mm～50mm.

5. as the sealing device of claim 1 or 2 or 3 described powder concentrators, it is characterized in that: form radial seal between the inwall of described fixed ring (4) and the outer wall of rotor (2), its seal clearance is 0mm～50mm.