CN211863938U

CN211863938U - Centrifugal extractor convenient to adjustment heavy phase flow is led to seam size

Info

Publication number: CN211863938U
Application number: CN201922345750.3U
Authority: CN
Inventors: 朱永长; 雷玉平; 肖华平; 赵起
Original assignee: Suzhou Zenghua New Energy Technology Co ltd
Current assignee: Suzhou Zenghua New Energy Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-11-06
Anticipated expiration: 2029-12-24

Abstract

The utility model relates to a centrifugal extractor convenient to adjustment heavy phase circulation seam size, including casing, reposition of redundant personnel cover and rotary drum extraction unit. The rotary drum extraction unit is arranged in the shell and comprises a power shaft, a rotary drum, a flow dividing seat, a liquid inlet disc, a liquid discharge disc and an annular flow blocking ring. The rotary drum performs circumferential rotary motion around the central axis thereof under the driving force of the power shaft. The liquid discharge disc and the liquid inlet disc are detachably fixed at the top end and the bottom end of the rotary drum respectively. An annular heavy phase flow through seam is arranged along the radial direction of the liquid discharge disc so as to be communicated with the heavy phase collection cavity. The annular flow blocking ring is detachably fixed on the liquid discharge disc, and the annular heavy-phase flow through seam is covered right above the peripheral side wall of the annular heavy-phase flow through seam. Therefore, when the opening size of the annular heavy phase flow through seam needs to be adjusted, only the annular flow blocking rings with different radial width sizes need to be disassembled and replaced, so that the time required by the adjusting process is greatly saved, and the manpower and material resource investment is reduced.

Description

Centrifugal extractor convenient to adjustment heavy phase flow is led to seam size

Technical Field

The utility model belongs to the technical field of centrifugal extraction machine manufacturing technology and specifically relates to a centrifugal extraction machine convenient to adjustment heavy phase flow leads to seam size.

Background

The centrifugal extraction technology is a practical technology for realizing liquid-liquid two-phase contact mass transfer and phase separation by means of a centrifugal force field, is a novel high-efficiency separation technology combining liquid-liquid extraction and a centrifugal technology, and has the characteristics of short contact time of two-phase materials, high phase separation speed, small residual quantity in equipment, wide operation comparison range and the like compared with other extraction technologies. The technology is now applied to numerous fields such as hydrometallurgy, pharmacy, wastewater treatment, nuclear energy, petrochemical industry, fine chemical industry and the like by a large number of researchers.

The centrifugal extraction technology is realized by a centrifugal extractor, and the working principle is roughly as follows: the mixed liquid formed by mixing the heavy phase and the light phase enters the rotary drum, and the mixed liquid and the rotary drum synchronously rotate at high speed under the drive of the rotary drum to generate centrifugal force. Under the action of centrifugal force, the heavy phase with higher density gradually moves away from the center of the rotary drum and leans against the wall of the rotary drum in the upward flowing process; the less dense light phase is progressively more central away from the drum wall. And finally, throwing the two-phase liquid into the collecting cavities through respective channels, and enabling the two phases to flow out of the respective collecting cavities, thereby completing the two-phase separation process.

The heavy phase circulation seam is directly arranged on the liquid discharge disc so as to guide the liquid-liquid mixed liquid from the inner cavity of the rotary drum to the heavy phase collection cavity in time. It is known that the size of the through seam of the heavy phase determines the smoothness of the flow guiding and the liquid discharge efficiency of the heavy phase, and has a very important influence on the performance of the centrifugal extractor. When the types of the light phase and the heavy phase and the driving power of the power shaft are changed, the size of the through seam of the heavy phase also needs to be adjusted correspondingly. In the prior art, the adjustment process is roughly as follows: firstly, the drain pan is removed, then the heavy phase flow through seam on the drain pan is subjected to machining reaming or shrinkage in a welding or filling mode, and then the drain pan is mounted and fixed on the rotary drum again. Therefore, the adjustment process needs a lot of manpower and material resources, and takes a long time, thereby causing a long-time stagnation of the production line. Thus, a skilled person is urgently needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a structural design is simple, need not demolish the flowing back dish, and the construction is convenient, the efficient is convenient for adjust the centrifugal extraction machine of heavy phase flow through seam size.

In order to solve the technical problem, the utility model relates to a centrifugal extractor convenient to adjustment heavy phase circulation seam size, including casing, reposition of redundant personnel cover and rotary drum extraction unit. The shunt cover is fixed in the inner cavity of the shell, and a heavy phase collecting cavity and a light phase collecting cavity are formed on the upper side and the lower side of the shunt cover respectively. A heavy phase liquid outlet and a light phase liquid outlet are respectively arranged on the shell and opposite to the heavy phase collecting cavity and the light phase collecting cavity. The rotary drum extraction unit is arranged in the shell and comprises a power shaft, a rotary drum, a flow dividing seat, a liquid inlet disc and a liquid outlet disc. The rotary drum performs circumferential rotary motion around the central axis thereof under the action of the driving force of the power shaft, and completes the separation of heavy phase and light phase by means of different centrifugal acting forces. The liquid discharge disc and the liquid inlet disc are detachably fixed at the top end and the bottom end of the rotary drum respectively. An annular heavy phase flow through seam is arranged along the radial direction of the liquid discharge disc so as to be communicated with the heavy phase collection cavity. The rotary drum extraction unit also comprises an annular flow blocking ring which is detachably fixed on the liquid discharge disc and covers the peripheral side wall of the annular heavy phase flow through seam.

As a further improvement of the technical proposal of the utility model, on the liquid discharge disk, an annular groove is arranged around the heavy-phase flow through seam and is used for placing an annular flow blocking ring.

As the utility model discloses technical scheme's further improvement, above-mentioned annular fender stream circle is connected with dismantling of flowing back dish with the help of the screw realization, correspondingly, has seted up the hookup through-hole on annular fender stream circle, has seted up threaded hole at the upper surface of flowing back dish.

As a further improvement of the technical scheme of the utility model, above-mentioned rotary drum extraction unit still includes the elastic washer, and its pressure is located between annular fender stream circle and the annular groove, correspondingly, has seted up an at least elastic washer holding tank at the upper surface of annular groove.

As the utility model discloses technical scheme's further improvement, the power is epaxial to be located to the reposition of redundant personnel seat cover, and its roof, lateral wall lean on with the diapire of flowing back dish, the inboard wall of rotary drum mutually top respectively to form heavy phase volume chamber. At least one opening seam is arranged around the circumferential side wall of the shunting seat so as to realize communication with the heavy phase volume cavity. A light phase volume cavity is sunken in the bottom wall of the shunting seat. The side wall of the light phase volume cavity is provided with a light phase flow through seam which passes through the side wall of the rotary drum to directly pass through the light phase collection cavity.

Compare in the centrifugal extraction machine of traditional project organization the utility model discloses an among the technical scheme, paste the last plane that leans on the flowing back dish, just be provided with annular fender stream circle to annular heavy phase circulation seam, so, when the opening size that needs adjustment annular heavy phase circulation seam, only need tear open and trade different radial width size keep off stream circle can, and need not wholly tear open and trade the flowing back dish to the required time of adjustment process has been saved widely, and has reduced manpower and material resources and has dropped into.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a centrifugal extractor convenient for adjusting the size of a through gap of a heavy-phase flow in the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a left side view of fig. 1.

Fig. 4 is a sectional view a-a of fig. 3.

Fig. 5 is an enlarged view of part I of fig. 4.

Fig. 6 is a sectional view B-B of fig. 3.

1-a shell; 11-a heavy phase collection chamber; 12-a light phase collection chamber; 13-a heavy phase liquid outlet; 14-a light phase liquid outlet; 15-heavy phase volume chamber; 2-a flow-dividing cover; 3-a drum extraction unit; 31-a power shaft; 32-a rotating drum; 33-a shunt seat; 331-open seam; 332-light phase volume cavity; 333-light phase flow through seam; 34-a liquid inlet plate; 35-drain pan; 351-annular heavy phase flow through seam; 352-annular groove; 353-a threaded hole; 36-annular baffle ring; 361-coupling through hole; 37-elastic washer.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and simplification of description, and 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.

The contents of the present invention will be further described in detail with reference to the following embodiments, and fig. 1, fig. 2, fig. 3 and fig. 4 respectively show a schematic perspective view, a front view, a left view and a sectional view a-a of the centrifugal extractor convenient for adjusting the size of the heavy phase flow through gap in the present invention, it can be seen that the centrifugal extractor mainly comprises a casing 1, a flow dividing cover 2 and a drum extraction unit 3, wherein the flow dividing cover 2 is fixed in the inner cavity of the casing 1, so that a heavy phase collecting cavity 11 and a light phase collecting cavity 12 are respectively formed on the upper and lower sides thereof. A heavy phase outlet 13 and a light phase outlet 14 are respectively arranged on the shell 1 and opposite to the heavy phase collecting cavity 11 and the light phase collecting cavity 12. The drum extraction unit 3 is arranged in the casing 1 and comprises a power shaft 31, a drum 32, a flow dividing seat 33, a liquid inlet disc 34 and a liquid outlet disc 35. The drum 32 performs a circumferential rotation motion around its central axis under the driving force of the power shaft 31, and the separation of the heavy phase and the light phase is accomplished by means of different centrifugal forces. The liquid discharge tray 35 and the liquid inlet tray 34 are detachably fixed to the top and bottom ends of the drum 32, respectively. An annular heavy phase flow through slit 351 is formed along the radial direction of the liquid discharge disk 35 to communicate with the heavy phase collection chamber 11. The drum extraction unit 3 further comprises an annular baffle ring 36 detachably fixed to the drain pan 35 and covering the peripheral side wall of the annular heavy phase flow slit 351 (see fig. 5 and 6). Thus, when the opening size of annular heavy phase flow through slit 351 needs to be adjusted, only annular flow blocking ring 36 with different radial width dimension (i.e. dimension a indicated in fig. 5) needs to be removed and replaced, and liquid discharge disk 35 does not need to be removed and replaced integrally, thereby greatly saving the time required for the adjustment process and reducing the manpower and material resources.

As a further optimization of the structure of the centrifugal extractor convenient for adjusting the size of the heavy phase flow slit, an annular groove 352 may be further formed on the liquid discharge tray 35 around the heavy phase flow slit 351 for placing the annular flow blocking ring 36 (as shown in fig. 5), so that, on one hand, the position of the annular flow blocking ring 36 is lowered as much as possible, and thus, the annular flow blocking ring has enough operating space to facilitate assembly and later replacement; on the other hand, the side wall of the annular groove 352 can also serve as a positioning reference in the process of assembling the annular baffle ring 36, thereby reducing the scribing process.

Generally, the annular baffle ring 36 is preferably detachably connected to the drain pan 35 by fasteners, as follows: coupling through-holes 361 are provided in annular baffle 36, and threaded holes 353 are provided in the upper surface of discharge tray 35 for releasable connection to discharge tray 35 by means of screws (as shown in fig. 5).

In order to improve the fastening reliability of the screw and prevent the loosening phenomenon, an elastic washer 37 may be additionally disposed between the annular baffle ring 36 and the annular groove 352 (as shown in fig. 5), and at least one elastic washer receiving groove is correspondingly formed on the upper surface of the annular groove 352. The existence of the elastic gasket accommodating groove can effectively avoid the phenomenon of the elastic gasket 37 of play and dislocation.

Finally, as a further optimization of the structure of the centrifugal extractor convenient for adjusting the size of the heavy phase flow gap, the flow dividing seat 33 is sleeved on the power shaft 31, and the top wall and the side wall of the flow dividing seat are respectively abutted against the bottom wall of the liquid discharge tray 35 and the inner side wall of the rotary drum 32 to form the heavy phase volume cavity 15. At least one open slot 331 is formed around the circumferential side wall of the manifold block 33 to communicate with the heavy phase volume chamber 15. A light phase volume 332 is recessed along the bottom wall of the diverter seat 33. The side wall of the light phase volume cavity 332 is provided with a light phase flow through slit 333, and the light phase flow through slit passes through the side wall of the rotary drum 32 to be directly communicated with the light phase collection cavity 12 (as shown in fig. 4 and 5), so that the arrangement of the light phase flow path and the heavy phase flow path is more reasonable and compact, and the whole machine of the centrifugal extractor occupies a smaller area.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A centrifugal extractor convenient for adjusting the size of a through seam of a heavy phase flow comprises a shell, a flow dividing cover and a rotary drum extraction unit; the shunt cover is fixed in the inner cavity of the shell, so that a heavy phase collecting cavity and a light phase collecting cavity are formed on the upper side and the lower side of the shunt cover respectively; a heavy phase liquid outlet and a light phase liquid outlet are respectively formed in the shell and opposite to the heavy phase collecting cavity and the light phase collecting cavity; the rotary drum extraction unit is arranged in the shell and comprises a power shaft, a rotary drum, a flow dividing seat, a liquid inlet disc and a liquid outlet disc; the rotary drum performs circumferential rotary motion around the central axis thereof under the action of the driving force of the power shaft, and the separation of heavy phase and light phase is completed by means of different centrifugal acting forces; the liquid discharge disc and the liquid inlet disc are detachably fixed at the top end and the bottom end of the rotary drum respectively; the rotary drum extraction unit is characterized by further comprising an annular flow blocking ring which is detachably fixed on the liquid discharge disc and covers and is arranged right above the peripheral side wall of the annular heavy-phase flow through seam.

2. The centrifugal extractor of claim 1, wherein an annular groove is formed on the drain pan around the heavy phase flow slit for placing the annular baffle ring.

3. The centrifugal extractor convenient for adjusting the size of the heavy phase flow through gap as claimed in any one of claims 1-2, wherein the annular flow blocking ring is detachably connected with the drain pan by means of screws, and correspondingly, a coupling through hole is opened on the annular flow blocking ring, and a threaded hole is opened on the upper surface of the drain pan.

4. The centrifugal extractor of claim 2, wherein the drum extraction unit further comprises an elastic washer pressed between the annular baffle ring and the annular groove, and at least one elastic washer receiving groove is correspondingly formed on the upper surface of the annular groove.

5. The centrifugal extractor convenient for adjusting the size of the through seam of the heavy phase flow as claimed in any one of claims 1-2, wherein the diverter seat is sleeved on the power shaft, and the top wall and the side wall of the diverter seat are respectively abutted against the bottom wall of the liquid discharge disk and the inner side wall of the rotary drum to form a heavy phase volume chamber; at least one opening seam is arranged around the circumferential side wall of the flow dividing seat so as to realize communication with the heavy phase volume cavity; a light phase volume cavity is sunken in the bottom wall of the shunting seat; and a light phase flow through seam is formed on the side wall of the light phase volume cavity and penetrates through the side wall of the rotary drum to be directly communicated with the light phase collecting cavity.