CN113021069A

CN113021069A - Vortex separator

Info

Publication number: CN113021069A
Application number: CN202110186924.5A
Authority: CN
Inventors: 赵焱; 王小强; 何国峰; 王红霞
Original assignee: Ningbo Kocel Machine Tool Auxiliary Machinery Co Ltd
Current assignee: Ningbo Kocel Machine Tool Auxiliary Machinery Co Ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-06-25

Abstract

A vortex separator is applied to the occasion of chip-liquid separation and comprises a first connecting part and a second connecting part, wherein the first connecting part comprises a round pipe and a cover plate matched with the round pipe; the second connecting part comprises a conical pipe and an impurity discharge port; the cover plate is arranged in the middle of one end of the round pipe and is in sealing connection with the round pipe, and the large end of the conical pipe is in sealing connection with the other end of the round pipe; the small end of the conical pipe is connected with the impurity discharge port; a liquid outlet is formed in the middle of the top of the cover plate, and a liquid inlet is formed in the tangential direction of the side surface of the circular tube; the liquid outlet and the liquid inlet are respectively externally connected with a liquid outlet pipe and a liquid inlet pipe. The vortex separator is composed of a circular tube and a conical tube, and the traditional casting mode is changed. The cost is saved and the manufacturing period is shortened. And the round tube and the conical tube can adopt standard sectional materials, the materials are convenient to obtain, and the manufacture is simple.

Description

Vortex separator

Technical Field

The invention relates to the field of solid-liquid separation, in particular to purification of machine tool machining cooling liquid and automatic line cleaning liquid.

Background

The cooling and lubricating medium is generally used in the machining process, at present, the most common cutting fluid and cutting oil can be mixed with chips after the machining, lubricating and cooling work, and the cooling medium needs to be recycled, so that the cooling medium needs to be continuously filtered and separated in the working state and environment to enable the cooling medium to reach a clean state. The vortex separator is as a common smear metal and cutting fluid separation's product, and the present stage is formed by casting basically, but casting mould development cost is big, and the manufacturing cycle is long, and the yield is low, and the vortex separator of a specification can only be cast to a mould moreover, and the practicality is lower to most enterprises can't make oneself by oneself. Some eddy current separators are manufactured by machining, although the accuracy of the eddy current separator is good, the eddy current separator needs to be turned and conical surfaces with different sizes are machined during manufacturing, requirements on a machine tool and operators are high, manufacturing cost is high, and batch manufacturing is difficult to adapt.

Disclosure of Invention

Therefore, it is necessary to provide a profile-welded vortex separator, which solves the problems of high manufacturing cost, long development period, low practicability and the like of the prior art. The circular tube and the conical tube which are used for selecting the standard section bar are spliced, so that the cost is saved, the manufacturing period is shortened, the section bars with different specifications can be selected according to different flow requirements for manufacturing, and the practicability is higher.

A vortex separator comprises a first connecting part and a second connecting part, wherein the first connecting part comprises a round pipe and a cover plate matched with the round pipe; the second connecting part comprises a conical pipe and an impurity discharge port; the cover plate is arranged in the middle of one end of the round pipe and is in sealing connection with the round pipe, and the large end of the conical pipe is in sealing connection with the other end of the round pipe; the small end of the conical pipe is connected with the impurity discharge port; a liquid outlet is formed in the middle of the top of the cover plate, and a liquid inlet is formed in the tangential direction of the side surface of the circular tube; the liquid outlet and the liquid inlet are respectively externally connected with a liquid outlet pipe and a liquid inlet pipe.

The vortex separator is manufactured by the section bar of the circular tube and the conical tube, the material is convenient to obtain, the manufacturing is simple, and the cost is low. Moreover, specification and size of the circular tube and the conical tube can be designed and replaced at any time according to use requirements, the vortex separators with different flow rates can be manufactured, and the vortex separator is high in flexibility and wide in application range.

In one embodiment, the circular tube is detachably connected with the conical tube.

In order to reduce the manufacturing difficulty, the round pipe and the conical pipe can be assembled through detachable connection.

In one embodiment, the connecting parts of the circular tube and the conical tube are respectively provided with a flange.

And a flange plate is welded at one end of the circular pipe and the conical pipe which are connected with each other, and the flange plate is fastened through bolts to realize the connection of the circular pipe and the conical pipe.

In one embodiment, the conical pipes comprise a first conical pipe and a second conical pipe, the first conical pipe is connected with the circular pipe and the large end flange of the second conical pipe, and the small end of the second conical pipe is connected with the impurity discharge port; the flanges are connected by fasteners.

In order to clean impurities at the impurity discharge port conveniently, the conical pipe can be divided into two sections for assembly, when the impurities need to be cleaned, only one section of conical pipe connected with the impurity discharge port needs to be detached, and the conical pipe is convenient and fast to use.

In one embodiment, the circular tube and the conical tube are welded with the corresponding flanges, and the welding seam is far away from the connecting matching surface of the flanges.

In order to enable the connecting surface of each flange plate to be flat and ensure the welding strength in order to reduce the grinding amount of welding, the welding seam is arranged on the non-connecting surface of the flange.

In one embodiment, a seal is provided between the flanges.

In order to ensure the sealing performance of flange connection, a sealing element is arranged between the flanges, and the sealing element makes up the gap between the flanges, so that the manufacturing precision of the flanges is reduced while the sealing effect is achieved.

In one embodiment, the sealing element is an elastic element.

In one embodiment, the outer diameter of the cover plate is larger than the inner diameter of the circular tube, and the outer diameter of the cover plate is smaller than the outer diameter of the circular tube.

In one embodiment, the liquid inlet pipe and the liquid outlet pipe are welded on the circular pipe and the cover plate, and inner pipe threads are arranged at one ends, far away from the circular pipe and the cover plate, of the liquid inlet pipe and the liquid outlet pipe.

In one embodiment, the circular tube and the conical tube are both made of stainless steel.

The stainless steel section can save the coating or rust-proof treatment process, and the inner part of the pipeline is not needed to be corroded by the cutting fluid, so that the service life is not influenced.

The vortex flow divider is manufactured by welding, assembling and manufacturing the standard section bar of the circular tube and the conical tube, so that the material is convenient to obtain, the manufacturing is rapid and the cost is low. The whole process does not need to manufacture a die or machine tool for fine machining, can be flexibly operated according to actual requirements, and has wider application range and short manufacturing period.

Drawings

FIG. 1 is a schematic view of a first connection portion and a second connection portion being welded together according to an embodiment;

FIG. 2 is a schematic view of a flange assembly of a first connection portion and a second connection portion according to an embodiment;

FIG. 3 is a partial schematic view of FIG. 2;

FIG. 4 is a schematic view of a second connecting portion in two sections;

in the drawings:

10-a first connection, 20-a second connection;

11-round pipe, 12-cover plate, 13-liquid outlet pipe, 14-liquid inlet pipe, 15-round pipe flange,

21-conical pipe, 22-impurity discharge port, 23-conical pipe flange, 211-first conical pipe, 212-second conical pipe, 213-first flange, 214-second flange.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The vortex separator is composed of a circular tube and a conical tube, and the traditional casting mode is changed. The cost is saved and the manufacturing period is shortened. And the round tube and the conical tube can adopt standard sectional materials, the materials are convenient to obtain, and the manufacture is simple. And a series of processes such as casting, machine tool turning and the like are not needed, and the operability is strong.

Referring to fig. 1, the vortex separator includes a first connection portion 10 and a second connection portion 20. The first connecting part 10 comprises a round tube 11 and a cover plate 12 matched with the round tube; the second connection part 20 includes a conical tube 21 and an impurity discharge port 22. Specifically, the cover plate is welded at one end of the circular tube in the middle and is fully welded in the circumferential direction. The large end of the conical pipe is spliced and fully welded with the other end of the circular pipe. Optimally, the wall thickness of the conical pipe is the same as that of the circular pipe, and the diameter of the large end of the conical pipe is the same as that of the circular pipe, so that no step is formed at the splicing part of the inner wall of the circular pipe and the inner wall of the circular cone after welding, and the vortex separation effect is not influenced. The small end of the conical pipe is connected with an impurity discharge port. Furthermore, a through liquid outlet is formed in the center of the top of the cover plate, and a liquid outlet pipe 13 is welded at the liquid outlet. A liquid inlet is arranged in the tangential direction of the side surface of the round pipe; an inlet pipe 14 is welded on the inlet. It should be noted that all welding seams are fully welded to perform anti-leakage detection.

It should be noted that the liquid inlet pipe and the liquid outlet pipe can also adopt seamless pipes, and the end of the liquid inlet pipe and the liquid outlet pipe, which is far away from the cover plate and the round pipe, can be processed with inner pipe threads, so that the connection between the liquid inlet pipe and the outer joint or the pipeline is convenient; the apron can adopt panel beating cutting shaping, and its external diameter is greater than the internal diameter of pipe and is less than the external diameter of pipe, and the circumference can form round fillet weld after apron and the pipe cooperation like this, and it is convenient to polish when guaranteeing welding strength.

The section bars of the circular tube and the conical tube are manufactured, materials are convenient to obtain, and the section bars are simple to manufacture and low in cost. And can design the specification and size of changing pipe and circular cone pipe at any time according to the user demand, the preparation flexibility ratio is high, application scope is wide.

In one embodiment, the tailor-welding of the circular tube and the conical tube requires full-length welding of the whole circumference, the welding difficulty is high, and a welding tool is required to ensure the welding strength and precision. In order to reduce the welding degree of difficulty, improve the pleasing to the eye degree of product, first connecting portion adopt detachable construction to splice with the second connecting portion, and the pipe can be dismantled with the circular cone pipe and be connected promptly.

Specifically, referring to fig. 2-3, a circular tube flange 15 is circumferentially welded to the circular tube 11 at the end remote from the welded cover plate, and a conical tube flange 23 is also welded to the large end of the conical tube. Preferably, the circular tube and the conical tube are embedded in the inner ring of the flange, and the end faces of the circular tube and the conical tube are flush with the matching surfaces of the flanges. Furthermore, in order to guarantee welding strength and reduce the polishing amount of welding seams, the welding seams of the flange and the circular tube and the conical tube are arranged on one side far away from the matching surface of the flange. And at the moment, the flange is fastened through bolt fastening to realize the connection and fastening of the first connecting part and the second connecting part. When in connection, waterproof glue can be smeared between the connection surfaces of the flanges for ensuring sealing. The butt-joint tailor-welding of the round pipe and the conical pipe can be avoided through the assembling mode, the manufacturing difficulty is reduced, and meanwhile the quality and the attractiveness of the product are improved. It should be noted that the flange can be cut from a thick plate.

In an embodiment, when the vortex separator is out of operation for a long time or the size of the impurities is large, the impurities in the impurities outlet may be blocked, so that the impurities in the impurities outlet may be cleaned conveniently, and in order not to affect the working efficiency of the vortex separator, referring to fig. 4, the conical pipe 21 in the second connection portion is divided into two parts. Preferably, the conical tube 21 is cut into the first conical tube 211 and the second conical tube 222 by a linear cutting method, so that the first conical tube 211 and the second conical tube 222 are matched more closely when being spliced. Specifically, the two ends of the first conical pipe are respectively welded with a conical pipe flange 23 and a first flange 213, the large end of the second conical pipe is welded with a second flange 214, and the small end is connected with the impurity discharge port. During assembly, the flanges are assembled in a mode of combining and splicing the large end and the small end and then fastened through bolts. Like this, the second circular cone pipe is connected with the impurity discharge port, only need dismantle when needs clearance impurity with second flange joint's bolt can be with the second circular cone pipe together pull down the clearance together with the impurity discharge port, need not to move first circular cone pipe and the part of connecting, the part that needs to dismantle is small, can not influence vortex separation's efficiency on a large scale. It should be noted that, in order to simplify the production process and improve the universality and production efficiency of each part, the first flange and the second flange have the same size, and the circular tube flange and the circular cone tube flange have the same size, so that the parts can be taken or assembled without being distinguished during welding, the time is saved, and the work efficiency is improved.

In the actual manufacturing process, in order to ensure the continuity, the flatness and the coaxiality of the inner wall after the circular tube and the conical tube or the conical tube and the conical tube are spliced, when welding, one end of the first conical tube, which is close to the second conical tube, can protrude out of the conical tube flange for a certain distance, one end of the corresponding second conical tube, which is close to the first conical tube, is sunken for the same height relative to the conical tube flange, so that a splicing structure can be formed during assembly, and the assembly is convenient and the sealing is also facilitated.

In one embodiment, in order to ensure the sealing and stability of the flange connection, a sealing element is arranged between the flanges. Further, the sealing element may be provided as a resilient flat gasket of the same size as the flanges, the flat gasket being provided between the two connecting flanges. The sealing member can be set to be O type sealing washer, also can be that the cross-section is square packing, sets up the recess that matches the sealing member in the connecting face central position of at least one flange, with sealing washer or packing embedding recess. On one hand, the arrangement of the sealing element makes up the gap between the butting flanges, so that the sealing is more reliable; on the other hand, the elastic compression amount of the sealing element can compensate the gap and simultaneously reduce the machining precision of the flange. It should be noted that the groove formed in the flange needs to be located between the bolt mounting hole and the inner wall of the circular tube or the conical tube.

Preferably, the flat pad is made of polytetrafluoroethylene; the sealing ring is made of nitrile rubber or fluororubber. The sealing gasket made of the material has excellent heat resistance and cold resistance, has the characteristics of acid and alkali resistance and various organic solvents resistance, can avoid the corrosion of cutting fluid, and reduces the replacement frequency.

During the equipment with the sealing member place between the flange then fastening bolt can, after the equipment is accomplished, can be with the export shutoff of top and bottom, then carry out antiseep to inlet water injection and detect. After the detection is finished, the antirust treatment or the spraying treatment can be carried out according to the requirement.

In one embodiment, for simple subsequent treatment and good appearance, the round pipe and the conical pipe can be replaced by stainless seamless pipes, so that the spraying or rust-proof step can be omitted, and the treatment procedures can be reduced.

When cutting fluid with certain pressure enters the inner cavity of the circular tube through the tangential liquid inlet pipe of the circular tube, the pumped fluid can form vortex on the inner wall of the separator under the action of the pressure. The inner cavity of the first connecting part is a cylinder, the first connecting part is used for purifying liquid and generating vortex, the inner cavity of the corresponding first conical tube connected with the first connecting part is a circular truncated cone-shaped space, and the tangential linear velocity of the vortex is increased due to the linear reduction of the diameter of the inner wall from the upper part to the lower part, so that impurities with heavy weight in the liquid are thrown to the inner wall. Clean liquid is in the vortex center and is finally discharged through a top liquid outlet pipe. The inner cavity of the corresponding second conical tube is a cone-like space, a complete cone is formed by the inner cavity of the second conical tube and the inner cavity of the first conical tube, impurities are continuously received by the inner wall of the second conical tube, and the inner wall of the second conical tube gradually approaches to the cone tip until the impurities are discharged out of the inner cavity.

In this application, vortex separator adopts section bar and panel beating to weld and assembles, and required material is easily got workable, low in manufacturing cost. And a plurality of modules can be reassembled by welding, so that the yield is high. Furthermore, because each part is a section or a sheet metal part, the section with different sizes can be selected to design and manufacture vortex separators with different specifications according to different flow requirements, and the traditional mold opening, casting and other complicated processes are not needed. And the whole process only needs cutting, does not need to use a machine tool for precision machining, and has low manufacturing difficulty and lower requirements on operators.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A vortex separator, characterized in that the vortex separator comprises a first connection part and a second connection part,

the first connecting part comprises a round pipe and a cover plate matched with the round pipe;

the second connecting part comprises a conical pipe and an impurity discharge port;

the cover plate is arranged in the middle of one end of the round pipe and is in sealing connection with the round pipe, and the large end of the conical pipe is in sealing connection with the other end of the round pipe; the small end of the conical pipe is connected with the impurity discharge port;

a liquid outlet is formed in the middle of the top of the cover plate, and a liquid inlet is formed in the tangential direction of the side surface of the circular tube; the liquid outlet and the liquid inlet are respectively externally connected with a liquid outlet pipe and a liquid inlet pipe.

2. The vortex separator according to claim 1 wherein said circular tube is removably connected to said conical tube.

3. The vortex separator according to claim 2, wherein the circular pipe and the conical pipe are respectively provided with a flange at the connection portion.

4. The vortex separator according to claim 2 or 3, wherein the conical pipe comprises a first conical pipe and a second conical pipe, the first conical pipe is connected with the circular pipe and the large end flange of the second conical pipe, and the small end of the second conical pipe is connected with the impurity discharge port; the flanges are connected by fasteners.

5. The vortex separator according to claim 4 wherein said circular and conical tubes are welded to respective said flanges with a weld seam remote from the mating interface of said flanges.

6. The vortex separator of claim 4 wherein a seal is provided between the flanges.

7. The vortex separator of claim 6 wherein the seal is an elastomeric member.

8. The vortex separator of claim 1 wherein the cover plate has an outer diameter greater than an inner diameter of the cylindrical tube and an outer diameter less than an outer diameter of the cylindrical tube.

9. The vortex separator according to claim 1, wherein the liquid inlet pipe and the liquid outlet pipe are welded to the circular pipe and the cover plate, and inner pipe threads are formed at ends of the liquid inlet pipe and the liquid outlet pipe, which are far away from the circular pipe and the cover plate.

10. The vortex separator of claim 1 wherein the circular tube and the conical tube are both stainless steel.