CN218392917U - Gas-liquid separation device with double filtration and double separation functions - Google Patents

Abstract

The utility model discloses a gas-liquid separation device with double filtration and double separation function, include: the device comprises a primary treatment module, a secondary treatment module and a liquid collection module; the primary treatment module is provided with a primary gas outlet and a primary liquid outlet, and the primary liquid outlet is arranged below the primary gas outlet correspondingly; the secondary treatment module is provided with a secondary gas inlet and a secondary liquid outlet, and the secondary liquid outlet is arranged below the secondary gas inlet correspondingly; the secondary treatment module is arranged on one side of the primary treatment module, and the secondary gas inlet is connected with the primary gas outlet; the liquid collecting module is provided with a collecting port, the liquid collecting module is arranged at the lower position of the primary treatment module and the secondary treatment module, and the collecting port is respectively arranged corresponding to the primary liquid outlet and the secondary liquid outlet; the utility model discloses can carry out dual gas-liquid separation to gas-liquid mixture and handle, and dual gas-liquid separation handles not only including mechanical system handles still including the physical mode processing, and the efficiency that gas-liquid separation handled is high, and the separation effect is splendid.

Description

Gas-liquid separation device with double filtration and double separation functions

Technical Field

The utility model relates to a gas-liquid separation equipment field especially relates to a gas-liquid separation device with double filtration and dual separation function.

Background

In the prior art, a water containing tank body and an inlet/outlet pipeline type mechanical structure or a two-stage or multi-stage cyclone separator are generally adopted to realize a water-gas separation function, and the following two water-gas separation modes are analyzed one by one:

on the first hand, for the water-gas separation mode adopting the water containing tank body and the inlet/outlet pipeline type mechanical structure, the water-gas separation efficiency is lower and the water-gas separation effect is poorer due to the limitation of the structure design, and the water-gas separation effect of the mode is limited by the volume of the water containing tank body, so that when the water containing tank body with large volume is used, although certain water-gas separation efficiency can be improved, the use is inconvenient, and when the water containing tank body with small volume is used, the water-gas separation efficiency is reduced, and even the water-gas separation effect cannot be achieved;

in the second aspect, for the water-gas separation mode adopting two-stage or multi-stage cyclone separators, due to the design of the cyclone separators, the whole volume of the device is larger, so that the device is very inconvenient to use, the development and use costs are higher, and the convenience of replacement and maintenance of filter elements is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas-liquid separation with double filtration and double separation function to the above-mentioned problem that exists among the prior art, and then solve prior art normal water gas splitter and be difficult to compromise the problem of high convenience and high moisture separation efficiency.

In order to solve the technical problem, the utility model discloses a technical scheme be: provided is a gas-liquid separation device having double filtration and double separation functions, comprising:

the device comprises a primary treatment module, a secondary treatment module and a liquid collection module;

the primary treatment module is provided with a primary gas outlet and a primary liquid outlet, and the primary liquid outlet is arranged below the primary gas outlet correspondingly;

the secondary treatment module is provided with a secondary gas inlet and a secondary liquid outlet, and the secondary liquid outlet is arranged below the secondary gas inlet correspondingly; the secondary treatment module is arranged on one side of the primary treatment module, and the secondary gas inlet is connected with the primary gas outlet;

the liquid collecting module is provided with a collecting port, the liquid collecting module is arranged below the primary treatment module and the secondary treatment module, and the collecting port is respectively arranged corresponding to the primary liquid outlet and the secondary liquid outlet.

As an improved solution, the primary processing module includes: the primary shell and the primary separation filtering unit;

the primary shell is hollow, and the primary separation filtering unit is arranged in the primary shell;

a raw material inlet is formed in one end of the primary shell, and the primary gas outlet is formed in the other end of the primary shell corresponding to the raw material inlet; the primary liquid outlet is arranged at the bottom of the primary shell close to one side of the primary gas outlet.

As an improved scheme, the primary separation and filtration unit comprises: a primary filter element and a primary separation subunit;

the primary filter element is horizontally arranged in the primary shell, and the primary filter element is close to and corresponds to the raw material inlet;

the primary separation subunit corresponds to the primary liquid outlet and is vertically arranged at a position between the primary filter element and the primary gas outlet.

As an improved scheme, a region between the primary filter element and the primary gas outlet in the primary shell is a separation channel;

the primary separation subunit includes: separating the partition plate;

the separation baffle is vertically arranged at the middle position in the separation channel, the front surface of the separation baffle is arranged corresponding to the primary filter element, the rear surface of the separation baffle is arranged corresponding to the primary gas outlet, and the bottom of the separation baffle is arranged corresponding to the primary liquid outlet; one end of the primary filter element, which is close to the separation partition plate, is detachably connected with the inner wall of the primary shell.

As an improved scheme, the upper end of the separation partition plate is connected with the inner wall of the top of the primary shell at the separation channel, the lower end of the separation partition plate is arranged close to the primary liquid outlet, the front surface of the separation partition plate faces the primary filter element, and the rear surface of the separation partition plate faces the primary gas outlet;

or the like, or, alternatively,

the separation baffle is embedded in the primary shell at the separation channel, and a separation port penetrating through the separation baffle in the horizontal direction is formed in the middle of the front surface of the separation baffle; the specification of the separation port is smaller than that of the primary gas outlet, and the bottom of the separation port extends downwards to be communicated with the primary liquid outlet.

As an improved solution, the secondary processing module comprises: the second-stage shell and the second-stage centrifugal separation filtering unit;

the secondary shell is hollow, and the secondary centrifugal separation filtering unit is arranged in the secondary shell;

the secondary shell is arranged on one side of the primary shell corresponding to the primary gas outlet, and a secondary gas outlet is also formed in the secondary shell;

the secondary gas inlet and the secondary gas outlet are respectively arranged at two sides of the top of the secondary shell;

the secondary liquid outlet is arranged at the bottom of the secondary shell between the secondary gas inlet and the secondary gas outlet.

As an improvement, the two-stage centrifugal separation filter unit comprises: a centrifuge inlet channel, a rotating centrifuge subunit and a negative pressure subunit;

the centrifuge inlet channel is horizontally arranged at the top of the secondary shell, the centrifuge inlet channel is arranged close to the secondary gas inlet, and the head end of the centrifuge inlet channel is communicated with the secondary gas inlet;

the negative pressure subunit is arranged at the top position in the secondary shell and is positioned between the inlet channel of the centrifuge and the secondary gas outlet; a negative pressure outlet of the negative pressure subunit is communicated with the secondary air outlet, a negative pressure inlet of the negative pressure subunit is arranged corresponding to the middle position of the secondary shell, and the negative pressure inlet is arranged downwards;

the rotary centrifugal subunit is embedded in the secondary shell below the centrifuge inlet channel and the negative pressure subunit, and a centrifugal inlet and a centrifugal outlet are respectively arranged at the positions, corresponding to the tail end of the centrifuge inlet channel and the negative pressure inlet, of the top of the rotary centrifugal subunit; the centrifugal inlet is communicated with the tail end of the inlet channel of the centrifuge, and the centrifugal outlet is communicated with the negative pressure inlet.

As an improvement, the rotary centrifuge subunit comprises: the secondary filter element, the rotating disc and the cylindrical connecting piece are arranged on the rotary disc;

the rotating disc is horizontally arranged below the centrifuge inlet channel and the negative pressure sub-unit, and a first gas channel penetrating through the rotating disc in the vertical direction is formed in the upper surface of the rotating disc; the first gas channel is located at the center of the rotating disc and corresponds to the negative pressure inlet; the centrifugal outlet is arranged at the top of the first gas channel;

the cylindrical connecting piece is vertically arranged below the rotating disc and corresponds to the position of the gas channel, the upper end of the cylindrical connecting piece is uniformly provided with a plurality of connecting strips along the circumferential direction of the cylindrical connecting piece, and the lower end of the cylindrical connecting piece is connected with a horizontal base; a gap is formed between every two adjacent connecting strips, and the upper ends of the connecting strips are connected to the lower surface of the rotating disc respectively;

the second-stage filter element is vertically sleeved outside the cylindrical connecting piece, the upper end of the second-stage filter element is connected with the lower surface of the rotating disc, a distance is reserved between the inside of the second-stage filter element and the connecting strips, and the bottom of the second-stage filter element is connected with the horizontal base;

a plurality of second gas channels which obliquely penetrate through the rotating disc in the vertical direction are uniformly formed in the upper surface of the rotating disc along the circumferential direction of the rotating disc; the second gas channels are obliquely arranged and correspond to the positions between the secondary filter element and the connecting strips; the top of any of the second gas channels is the centrifugal inlet.

As an improvement, the liquid collection module comprises: the special pipe comprises a first connecting pipe, a second connecting pipe and a special pipe;

a first liquid inlet and a second liquid inlet are formed in the upper end of the special pipe, and a liquid collecting outlet communicated with the first liquid inlet and the second liquid inlet is formed in the lower end of the special pipe; the first liquid inlet and the second liquid inlet are both the collecting port;

the special pipe is established the one-level casing with second grade casing below, just the one-level casing the one-level liquid export passes through first connecting pipe with first inlet intercommunication, the second grade casing the second grade liquid export passes through the second connecting pipe with the second inlet intercommunication.

As an improved scheme, a plurality of convex ribs are arranged on the outer surface of one end, close to the separation partition plate, of the primary filter element, and a plurality of grooves respectively matched with the convex ribs are arranged on the inner surface of the primary shell, close to the raw material inlet; the plurality of convex ribs are respectively matched and clamped with the plurality of grooves;

the material of one-level filter core includes: plastic, cotton and metal materials;

the lower end of the secondary shell is funnel-shaped.

The utility model has the advantages that:

1. a gas-liquid separation with double filtration and dual separation function device, can carry out dual gas-liquid separation to the gas-liquid mixture raw materials and handle, and dual gas-liquid separation handles not only including mechanical system handles still including the physical mode processing, the efficiency that gas-liquid separation handled is high, and the effect that gas-liquid separation handled is splendid.

2. A gas-liquid separation equipment with dual filtration and dual separation function, the one-level filter core that wherein adopts can carry out elementary filtration at this device entrance with regard to the impurity that contains in the gas-liquid mixture, and the design through protruding muscle in the one-level filter core, the maintenance and the change that make the one-level filter core be convenient for improve the convenience of use.

4. A gas-liquid separation equipment with double filtration and dual separation function, the structure is clear, and the structure volume is moderate, uses and manufacturing cost all lower, simultaneously because its moderate volume structural design, makes its range of application wide, uses the convenience high, not only can be applicable to the cleaning of clothing, cloth art and interior small household appliances fields such as clean of car, simultaneously can also integrate inside the device that carries out gas-liquid separation to needs, expansibility is extremely strong.

5. A gas-liquid separation with double filtration and dual separation function, the design flexibility is high, right the utility model discloses an inner structure design still can extend multiple filtration separation scheme to not confine the design that the dual filtration and dual separation function possessed simultaneously, can also carry out arbitrary combined use, have high using value and market value, compensatied the not enough of prior art.

Drawings

Fig. 1 is a schematic perspective view of a gas-liquid separator with double filtration and double separation functions according to embodiment 1 of the present invention;

fig. 2 is a schematic view of a three-dimensional structure of a gas-liquid separation device with double filtration and double separation functions in embodiment 1 of the present invention;

fig. 3 is a schematic view showing the detailed composition of the three-dimensional structure of a gas-liquid separation device with double filtration and double separation functions in embodiment 1 of the present invention;

fig. 4 is a schematic perspective view of a gas-liquid separator with double filtration and double separation functions in an embodiment 1 of the present invention;

fig. 5 is a schematic perspective view of the rotary centrifugal subunit according to embodiment 1 of the present invention after removing the secondary filter element and the horizontal base;

fig. 6 is a schematic perspective view of a primary filter element in embodiment 1 of the present invention;

fig. 7 is a schematic view of a gas-liquid separation apparatus with double filtration and double separation functions according to embodiment 1 of the present invention, showing the gas-liquid flow direction during use;

fig. 8 is a schematic view of a gas-liquid separation device with double filtration and double separation functions according to embodiment 1 of the present invention, illustrating the gas-liquid flow direction inside a rotary centrifuge subunit when in use;

fig. 9 is a schematic diagram of a partial three-dimensional structure of the primary separation subunit in embodiment 2 of the present invention;

fig. 10 is a schematic view of a gas-liquid separation device with double filtration and double separation functions according to embodiment 2 of the present invention, showing the gas-liquid flow direction inside the primary separation subunit when in use;

the parts in the drawings are numbered as follows:

1. a primary processing module; 101. a primary housing; 102. a raw material inlet; 103. a first-stage gas outlet; 104. a first-stage liquid outlet; 105. a first-stage filter element; 106. a separation channel; 107. separating the partition plate;

2. a secondary processing module; 201. a secondary shell; 202. a secondary gas inlet; 203. a secondary gas outlet; 204. a secondary liquid outlet; 205. a centrifuge inlet channel; 206. a negative pressure subunit; 207. a negative pressure inlet; 208. a secondary filter element; 209. rotating the disc; 210. a cylindrical connecting member; 211. a first gas passage; 212. a connecting strip; 213. a horizontal base; 214. a second gas passage;

3. a liquid collection module; 301. a first connecting pipe; 302. a second connecting pipe; 303. a special-shaped pipe; 304. a liquid collection outlet; 401. and (5) protruding ribs.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "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. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.

Example 1

Referring to fig. 1 to 8, embodiment 1 of the present invention includes:

a gas-liquid separation device having double filtration and double separation functions, comprising: the device comprises a primary treatment module 1, a secondary treatment module 2 and a liquid collection module 3;

as an implementation manner of the present invention, a primary gas outlet 103 and a primary liquid outlet 104 are disposed on the primary treatment module 1, and the primary liquid outlet 104 is disposed below the primary gas outlet 103; the secondary treatment module 2 is provided with a secondary gas inlet 202 and a secondary liquid outlet 204, and the secondary liquid outlet 204 is arranged below the secondary gas inlet 202 correspondingly; the secondary treatment module 2 is arranged on one side of the primary treatment module 1, and the secondary gas inlet 202 is connected with the primary gas outlet 103; the liquid collecting module 3 is provided with a collecting port, the liquid collecting module 3 is arranged below the primary treatment module 1 and the secondary treatment module 2, and the collecting port is respectively arranged corresponding to the primary liquid outlet 104 and the secondary liquid outlet 204; in this scheme, carry out preliminary gas-liquid separation and filtration through primary treatment module 1 to the gas-liquid mixture who gets into device in this scheme, and further gas-liquid separation and filtration are carried out to the result of 1 preliminary treatment through primary treatment module to secondary treatment module 2 adoption negative pressure centrifugation, finally collect the liquid result that module 3 handled primary treatment module 1 and secondary treatment module 2 and obtain through liquid and collect, and the gaseous result of in-process separation has been discharged from the particular position of secondary treatment module 2 design, the device is small in this scheme, the degree of integration is high, expansibility is strong, gas-liquid separation efficiency and effect are high.

As an embodiment of the present invention, the primary processing module 1 includes: a primary shell 101 and a primary separation and filtration unit; as shown in fig. 2 to 4, the primary housing 101 is hollow, and the primary separation and filtration unit is disposed in the primary housing 101; one end of the primary shell 101 is provided with a raw material inlet 102, and the raw material inlet 102 is used for inputting a gas-liquid mixture raw material; the primary gas outlet 103 is arranged at the other end of the primary shell 101 corresponding to the raw material inlet 102; the primary liquid outlet 104 is arranged at the bottom of the primary shell 101 close to one side of the primary gas outlet 103, the primary gas outlet 103 is used for outputting a primary gas separator obtained after the primary gas separator is processed by the primary processing module 1, and the primary liquid outlet 104 is used for outputting a primary liquid separator obtained after the primary gas separator is processed by the primary processing module 1;

as an embodiment of the utility model, the one-level separation filter unit includes: a primary filter element 105 and a primary separation subunit; the primary filter element 105 is horizontally arranged in the primary shell 101, and the primary filter element 105 is close to and arranged corresponding to the raw material inlet 102; the primary separation subunit is vertically arranged between the primary filter element 105 and the primary gas outlet 103 corresponding to the primary liquid outlet 104; in this scheme, the primary filter element 105 is horizontally inserted into a corresponding position in the primary housing 101 through the raw material inlet 102, as an embodiment of the present invention, as shown in fig. 6, a plurality of ribs 401 are disposed on an outer surface of one end of the primary filter element 105 close to the separation partition 107, and a plurality of grooves respectively matched with the plurality of ribs 401 are disposed on an inner surface of the primary housing 101 close to the raw material inlet 102; the plurality of convex ribs 401 are respectively matched and clamped with the plurality of grooves, and the primary filter element 105 is limited through the convex ribs 401, so that the replacement and maintenance of the primary filter element 105 are facilitated; in this embodiment, the material of the primary filter element 105 includes but is not limited to: plastic, cotton and metal, and the primary filter element 105 specifically includes, but is not limited to, plastic, cotton and metal filter screens;

as an embodiment of the present invention, in the primary housing 101, a separation channel 106 is located between the primary filter element 105 and the primary gas outlet 103; the primary separation subunit comprises: a separation partition 107; the separation partition plate 107 is vertically arranged in the middle of the separation channel 106, the front surface of the separation partition plate 107 is arranged corresponding to the primary filter element 105, the rear surface of the separation partition plate 107 is arranged corresponding to the primary gas outlet 103, as shown in fig. 4, and the bottom of the separation partition plate 107 is arranged corresponding to the primary liquid outlet 104; one end of the primary filter element 105 close to the separation partition plate 107 is detachably connected with the inner wall of the primary shell 101; as an embodiment of the present invention, the upper end of the separation baffle 107 is connected to the inner wall of the top of the primary housing 101 at the separation channel 106, and the lower end of the separation baffle 107 is disposed near the primary liquid outlet 104, the front surface of the separation baffle 107 faces the primary filter element 105, and the rear surface of the separation baffle 107 faces the primary gas outlet 103; in the scheme, a raw material of a gas-liquid mixture is sucked at a raw material inlet 102 through a negative pressure subunit 206 in the device, then large-particle impurities in the gas-liquid mixture are filtered through a primary filter element 105 of a primary treatment module 1, then the gas-liquid product filtered by the primary filter element 105 passes through the separation channel 106 under the action of the negative pressure subunit 206, when the gas-liquid product passes through the separation partition 107, liquid in the gas-liquid product hits on the separation partition 107 and then falls into a primary liquid outlet 104, and gas with a small amount of liquid particles in the gas-liquid product is sucked to the primary gas outlet 103 from a channel below the separation partition 107 to the primary gas outlet 103 under the action of the negative pressure subunit 206, so as to realize primary gas-liquid separation and filtration;

as an embodiment of the present invention, the secondary processing module 2 includes: a secondary shell 201 and a secondary centrifugal separation filter unit; as shown in fig. 2 to fig. 3, the secondary shell 201 is hollow, and the secondary centrifugal separation filter unit is arranged in the secondary shell 201; the secondary shell 201 is arranged on one side of the primary shell 101 corresponding to the primary gas outlet 103, and a secondary gas outlet 203 is also formed in the secondary shell 201; the secondary gas inlet 202 and the secondary gas outlet 203 are respectively arranged at two sides of the top of the secondary shell 201; the secondary liquid outlet 204 is arranged at the bottom of the secondary shell 201 between the secondary gas inlet 202 and the secondary gas outlet 203; in this scheme, the lower end of the secondary shell 201 is funnel-shaped, and the secondary shell 201 is a split design of two combined shells, as shown in fig. 2 and fig. 3, the secondary shell 201 is composed of an upper T-shaped channel shell and a lower funnel-shaped shell, and the T-shaped channel shell and the lower funnel-shaped shell are detachably connected, and the detachable connection includes but is not limited to a threaded connection, a snap connection, an alignment insertion and the like, and in the drawing of this scheme, the secondary shell is shown in a threaded connection manner;

as an embodiment of the present invention, the second-stage centrifugal separation filter unit includes: a centrifuge inlet channel 205, a spinning centrifuge subunit and a negative pressure subunit 206; as shown in fig. 4, the centrifuge inlet channel 205 is horizontally disposed at the top position in the secondary shell 201, one end of the centrifuge inlet channel 205 is disposed near the secondary gas inlet 202, the head end of the centrifuge inlet channel 205 is communicated with the secondary gas inlet 202, and one end of the centrifuge inlet channel 205 near the secondary gas inlet 202 is communicated with the primary gas outlet 103; the negative pressure sub-unit 206 is arranged at the top position in the secondary shell 201, and the negative pressure sub-unit 206 is positioned between the centrifuge inlet channel 205 and the secondary gas outlet 203; in the present embodiment, as shown in fig. 4, the negative pressure outlet of the negative pressure subunit 206 is arranged symmetrically to the secondary air outlet 203, and the secondary air outlet 203 is also arranged symmetrically to the secondary air inlet 202; the rotary centrifugal subunit is embedded in the secondary housing 201 below the centrifuge inlet channel 205 and the negative pressure subunit 206, and as shown in fig. 4 and 5, the positions of the top of the rotary centrifugal subunit, which correspond to the end of the centrifuge inlet channel 205 and the negative pressure inlet 207, are respectively provided with a centrifugal inlet and a centrifugal outlet; the centrifugal inlet is communicated with the end of the centrifuge inlet channel 205, and the centrifugal outlet is communicated with the negative pressure inlet 207;

as an embodiment of the present invention, the rotary centrifuge subunit includes: a secondary filter element 208, a spin bowl 209, and a cylindrical connector 210; the rotating disc 209 is horizontally arranged below the centrifuge inlet channel 205 and the negative pressure subunit 206, and the upper surface of the rotating disc 209 is provided with a first gas channel 211 which penetrates through the rotating disc 209 in the vertical direction; in the scheme, the rotating disc 209 is a disc, and the rotating disc 209 and the funnel-shaped shell at the lower part of the secondary shell 201 form a sealed space for gas-liquid separation and filtration; the first gas channel 211 is located at the center of the rotating disk 209 and corresponds to the negative pressure inlet 207; the centrifugal outlet is arranged at the top of the first gas channel 211; the cylindrical connecting piece 210 is vertically arranged below the rotating disc 209 and corresponds to the position of the gas channel, as shown in fig. 5, a plurality of connecting bars 212 are uniformly arranged at the upper end of the cylindrical connecting piece 210 along the circumferential direction of the cylindrical connecting piece 210, and the lower end of the cylindrical connecting piece 210 is connected with a horizontal base 213; a space is arranged between every two adjacent connecting strips 212, and the upper ends of the connecting strips 212 are connected to the lower surface of the rotating disc 209 respectively; the secondary filter element 208 is vertically sleeved outside the cylindrical connecting piece 210, the upper end of the secondary filter element 208 is connected with the lower surface of the rotary disc 209, a distance is reserved between the inner wall of the secondary filter element 208 and the connecting strips 212, namely, a gap exists, and the bottom of the secondary filter element 208 is connected with the horizontal base 213; the horizontal base 213, the turntable 209 and the secondary filter element 208 form a relatively sealed centrifugal chamber therebetween; further, a plurality of second gas channels 214 which obliquely penetrate through the rotating disc 209 in the vertical direction are uniformly formed on the upper surface of the rotating disc 209 along the circumferential direction of the rotating disc 209; the plurality of second gas channels 214 are all obliquely arranged, the oblique directions of the plurality of second gas channels 214 are the same/correspond to each other, and the plurality of second gas channels 214 are all corresponding to the positions between the secondary filter element 208 and the plurality of connecting strips 212; in this embodiment, the top of any of the second gas channels 214 is the centrifugal inlet, and the centrifugal inlet must be located near and corresponding to the end of the centrifuge inlet channel 205; in this embodiment, the end of the centrifuge inlet channel 205 is connected to the top of the centrifuge inlet via a vertically downward sealing channel, so as to form a sealed first-stage gas-liquid separation product inlet channel; in the scheme, the material of the secondary filter element 208 is selected from metal, cotton or plastic, and correspondingly, in order to achieve a more precise filtering effect, the pore of the filter screen of the secondary filter element 208 is smaller than that of the primary filter element 105; the secondary filter element 208 is designed coaxially with the rotary disc 209; in the scheme, because the second gas channel 214 is obliquely arranged, under the action of the negative pressure subunit 206, liquid in a product entering from the centrifugal inlet flows obliquely into the rotary centrifugal subunit along with the second gas channel 214 to rotate, so that centrifugal action is realized, and finally, the liquid in the product entering from the centrifugal inlet is thrown onto the inner wall of the secondary shell 201 and flows downwards to the secondary liquid outlet 204 along with the inner wall of the secondary shell 201;

as an embodiment of the present invention, the liquid collecting module 3 includes: a first connection pipe 301, a second connection pipe 302, and a special pipe 303; a first liquid inlet and a second liquid inlet are formed in the upper end of the special pipe 303, and a liquid collecting outlet 304 which is communicated with the first liquid inlet and the second liquid inlet is formed in the lower end of the special pipe 303; the first liquid inlet and the second liquid inlet are both the collecting port; the special pipe 303 is arranged below the primary shell 101 and the secondary shell 201, the primary liquid outlet 104 of the primary shell 101 is communicated with the first liquid inlet through the first connecting pipe 301, and the secondary liquid outlet 204 of the secondary shell 201 is communicated with the second liquid inlet through the second connecting pipe 302; in the present embodiment, the special pipe 303 includes but is not limited to a "T-shaped pipe" or a "Y-shaped pipe", and the liquid collecting module 3 mainly functions to collect liquid products separated from the primary liquid outlet 104 and the secondary liquid outlet 204, so the first connecting pipe 301 and the second connecting pipe 302 can be specifically designed according to specific requirements, so as to realize "multi-path product collection, single-path discharge" as a main focus; for example, the lower end of the first connection pipe 301 may be connected to the lower end side of the second connection pipe 302, thereby performing the same function.

In this embodiment 1, the usage principle of the present invention is as follows:

as shown in fig. 7, the gas-liquid flow direction is schematic, first, the negative pressure subunit 206 in the present apparatus is started, the raw material inlet 102 is aligned to a position where gas-liquid separation is required, under the action of the negative pressure subunit 206, the raw material of the gas-liquid mixture is sucked into the raw material inlet 102, the sucked raw material of the gas-liquid mixture first passes through the primary filter element 105, and then large particle impurities in the gas-liquid mixture are filtered; then, due to the action of the negative pressure subunit 206, the gas-liquid product filtered by the primary filter element 105 passes through the separation channel 106, and due to the action of the separation partition plate 107 in the separation channel 106, when the gas-liquid product passes through the separation partition plate 107, liquid in the gas-liquid product hits on the separation partition plate 107, and then falls into the primary liquid outlet 104 and flows into the special-shaped pipe 303 along the first connecting pipe 301, gas with a small amount of liquid particles in the gas-liquid product is continuously sucked into the primary gas outlet 103 from a channel below the separation partition plate 107 to the primary gas outlet 103 under the action of the negative pressure subunit 206, and further gas with a small amount of liquid particles enters the secondary gas inlet 202 to reach the secondary treatment module, so that primary gas-liquid separation and filtration are completed;

then, due to the action of the negative pressure subunit 206, the gas with a small amount of liquid particles reaching the secondary processing module firstly enters the inlet channel 205 of the centrifuge, and then enters the centrifugal inlet of the centrifuge, as shown in the gas-liquid flow direction in the rotary centrifugal subunit shown in fig. 8, due to the action of the negative pressure subunit 206, the gas with a small amount of liquid particles enters the second gas channel 214 along with the centrifugal inlet, and due to the inclined design of the second gas channel 214, the gas with a small amount of liquid particles obliquely flows into the rotary centrifugal subunit along with the second gas channel 214 and rotates around the axis of the secondary filter element 208 under the action of the negative pressure subunit 206, so as to realize centrifugal processing, and finally realize gas-liquid separation through centrifugal action; under the action of centrifugation, liquid in a product entering from the centrifugal inlet is thrown onto the inner wall of the secondary shell 201, then flows downwards to the secondary liquid outlet 204 along with the inner wall of the secondary shell 201, and flows into the special-shaped pipe 303 through the second connecting pipe 302, gas separated by the action of centrifugation flows out of the centrifugal outlet and moves upwards under the action of the negative pressure subunit 206, and is finally sucked out of the secondary gas outlet 203, so that secondary gas-liquid separation and filtration are completed;

finally, the gas-liquid mixture entering from the raw material inlet is separated efficiently, the separated gas is discharged from the secondary gas outlet 203, and the separated liquid can be taken out from the liquid collection outlet 304.

Example 2

Referring to fig. 1 to 10, embodiment 2 of the present invention includes:

a gas-liquid separation device having double filtration and double separation functions, comprising:

the device comprises a primary treatment module 1, a secondary treatment module 2 and a liquid collection module 3;

as an implementation manner of the present invention, a primary gas outlet 103 and a primary liquid outlet 104 are disposed on the primary treatment module 1, and the primary liquid outlet 104 is disposed below the primary gas outlet 103; the secondary treatment module 2 is provided with a secondary gas inlet 202 and a secondary liquid outlet 204, and the secondary liquid outlet 204 is arranged below the secondary gas inlet 202 correspondingly; the secondary treatment module 2 is arranged on one side of the primary treatment module 1, and the secondary gas inlet 202 is connected with the primary gas outlet 103; the liquid collecting module 3 is provided with a collecting port, the liquid collecting module 3 is arranged below the primary treatment module 1 and the secondary treatment module 2, and the collecting port is respectively arranged corresponding to the primary liquid outlet 104 and the secondary liquid outlet 204; in this scheme, carry out preliminary gas-liquid separation and filtration through primary treatment module 1 to the gas-liquid mixture who gets into device in this scheme, and further gas-liquid separation and filtration are carried out to the result through primary treatment module 1 preliminary treatment to the design through secondary treatment module 2 adoption negative pressure centrifugation, finally collect the liquid result that module 3 handled primary treatment module 1 and secondary treatment module 2 and obtain through liquid and collect, and the specific position that the gaseous result of in-process separation had followed secondary treatment module 2 and had designed discharges, device is small in this scheme, the degree of integration is high, expansibility is strong, gas-liquid separation efficiency and effect are high.

As an embodiment of the present invention, the primary processing module 1 includes: a primary shell 101 and a primary separation and filtration unit; as shown in fig. 2 to fig. 4, the primary housing 101 is hollow, and the primary separation and filtration unit is disposed in the primary housing 101; one end of the primary shell 101 is provided with a raw material inlet 102, and the raw material inlet 102 is used for inputting a gas-liquid mixture raw material; the primary gas outlet 103 is arranged at the other end of the primary shell 101 corresponding to the raw material inlet 102; the primary liquid outlet 104 is arranged at the bottom of the primary shell 101 close to one side of the primary gas outlet 103, the primary gas outlet 103 is used for outputting a primary gas separator obtained after the primary gas separator is processed by the primary processing module 1, and the primary liquid outlet 104 is used for outputting a primary liquid separator obtained after the primary gas separator is processed by the primary processing module 1;

as an embodiment of the present invention, the one-stage separation filtering unit includes: a primary filter element 105 and a primary separation subunit; the primary filter element 105 is horizontally arranged in the primary shell 101, and the primary filter element 105 is close to and arranged corresponding to the raw material inlet 102; the primary separation subunit is vertically arranged between the primary filter element 105 and the primary gas outlet 103 corresponding to the primary liquid outlet 104; in this embodiment, the primary filter element 105 is horizontally inserted into a corresponding position in the primary housing 101 through the raw material inlet 102, as an embodiment of the present invention, as shown in fig. 6, a plurality of ribs 401 are disposed on an outer surface of one end of the primary filter element 105 close to the separation partition 107, and a plurality of grooves respectively matched with the plurality of ribs 401 are disposed on an inner surface of the primary housing 101 close to the raw material inlet 102; the plurality of convex ribs 401 are respectively matched and clamped with the plurality of grooves, and the primary filter element 105 is limited through the convex ribs 401, so that the replacement and maintenance of the primary filter element 105 are facilitated; in this embodiment, the material of the primary filter element 105 includes but is not limited to: plastic, cotton, and metal, and the primary filter element 105 specifically includes, but is not limited to, plastic, cotton, and metal filter screens;

as an embodiment of the present invention, in the primary housing 101, a separation channel 106 is located between the primary filter element 105 and the primary gas outlet 103; the primary separation subunit includes: a separation partition 107; the separation partition plate 107 is vertically arranged in the middle position in the separation channel 106, the front surface of the separation partition plate 107 is arranged corresponding to the first-stage filter element 105, the rear surface of the separation partition plate 107 is arranged corresponding to the first-stage gas outlet 103, as shown in fig. 4, and the bottom of the separation partition plate 107 is arranged corresponding to the first-stage liquid outlet 104; one end of the primary filter element 105 close to the separation partition plate 107 is detachably connected with the inner wall of the primary shell 101; in contrast to example 1, in this example 2, another embodiment of the separating partition 107 in the present invention is provided, as shown in fig. 9, that is: the separation partition 107 is embedded in the primary housing 101 at the separation channel 106, and a separation port penetrating through the separation partition 107 in the horizontal direction is formed in the middle of the front surface of the separation partition 107; the size of the separation port is smaller than that of the primary gas outlet 103, and the bottom of the separation port extends downwards to be communicated with the primary liquid outlet 104; correspondingly, the design mode of the separation partition plate 107 adopts a mode of ribbing around the shell, so that the functions of water retaining, water gathering and water-gas separation are realized; in the scheme, a raw material of a gas-liquid mixture is sucked at a raw material inlet 102 through a negative pressure subunit 206 in the device, then large-particle impurities in the gas-liquid mixture are filtered through a primary filter element 105 of a primary treatment module 1, then the gas-liquid product filtered by the primary filter element 105 passes through the separation channel 106 under the action of the negative pressure subunit 206, when the gas-liquid product passes through the separation partition plate 107, liquid in the gas-liquid product hits on the separation partition plate 107 at the edge of the separation channel 106, and then certain collection is performed on liquid in the gas-liquid product, the collected liquid flows to the tail end of the separation port along the separation partition plate 107 and then falls into the primary liquid outlet 104, gas with a small amount of liquid particles in the gas-liquid product flows to the primary gas outlet 103 through the separation port on the separation partition plate 107 under the action of the negative pressure subunit 206, so as to realize primary gas-liquid separation, and liquid flow schematic diagrams when the gas-liquid product passes through the separation partition plate 107 are shown in fig. 10, wherein curved lines indicate gas flow directions, and water drops indicate liquid flow directions;

as an embodiment of the present invention, the secondary processing module 2 includes: a secondary shell 201 and a secondary centrifugal separation filter unit; as shown in fig. 2 to fig. 3, the secondary housing 201 is hollow, and the secondary centrifugal separation filter unit is disposed in the secondary housing 201; the secondary shell 201 is arranged on one side of the primary shell 101 corresponding to the primary gas outlet 103, and a secondary gas outlet 203 is also formed in the secondary shell 201; the secondary gas inlet 202 and the secondary gas outlet 203 are respectively arranged at two sides of the top of the secondary shell 201; the secondary liquid outlet 204 is arranged at the bottom of the secondary shell 201 between the secondary gas inlet 202 and the secondary gas outlet 203; in this scheme, the lower end of the secondary shell 201 is funnel-shaped, and the secondary shell 201 is a split design of two combined shells, as shown in fig. 2 and fig. 3, the secondary shell 201 is composed of an upper T-shaped channel shell and a lower funnel-shaped shell, and the T-shaped channel shell and the lower funnel-shaped shell are detachably connected, and the detachable connection includes but is not limited to a threaded connection, a snap connection, an alignment insertion and the like, and in the drawing of this scheme, the secondary shell is shown in a threaded connection manner;

as an embodiment of the present invention, the second-stage centrifugal separation filter unit includes: a centrifuge inlet channel 205, a spinning centrifuge subunit and a negative pressure subunit 206; as shown in fig. 4, the centrifuge inlet channel 205 is horizontally disposed at the top position in the secondary shell 201, one end of the centrifuge inlet channel 205 is disposed near the secondary gas inlet 202, the head end of the centrifuge inlet channel 205 is communicated with the secondary gas inlet 202, and one end of the centrifuge inlet channel 205 near the secondary gas inlet 202 is communicated with the primary gas outlet 103; the negative pressure sub-unit 206 is arranged at a top position in the secondary shell 201, and the negative pressure sub-unit 206 is positioned at a position between the centrifuge inlet channel 205 and the secondary gas outlet 203; in the present embodiment, as shown in fig. 4, the negative pressure outlet of the negative pressure subunit 206 is arranged symmetrically to the secondary air outlet 203, and the secondary air outlet 203 is also arranged symmetrically to the secondary air inlet 202; the rotary centrifugal subunit is embedded in the secondary housing 201 below the centrifuge inlet channel 205 and the negative pressure subunit 206, and as shown in fig. 4 and 5, the top of the rotary centrifugal subunit is provided with a centrifugal inlet and a centrifugal outlet at positions corresponding to the end of the centrifuge inlet channel 205 and the negative pressure inlet 207, respectively; the centrifugal inlet is communicated with the end of the centrifuge inlet channel 205, and the centrifugal outlet is communicated with the negative pressure inlet 207;

as an embodiment of the present invention, the rotary centrifuge subunit includes: a secondary filter element 208, a spin bowl 209, and a cylindrical connector 210; the rotating disc 209 is horizontally arranged below the centrifuge inlet channel 205 and the negative pressure subunit 206, and the upper surface of the rotating disc 209 is provided with a first gas channel 211 which penetrates through the rotating disc 209 in the vertical direction; in the scheme, the rotating disc 209 is a disc, and the rotating disc 209 and the funnel-shaped shell at the lower part of the secondary shell 201 form a sealed space for gas-liquid separation and filtration; the first gas channel 211 is located at the center of the rotating disk 209 and corresponds to the negative pressure inlet 207; the centrifugal outlet is arranged at the top of the first gas channel 211; the cylindrical connecting piece 210 is vertically arranged below the rotating disc 209 and corresponds to the position of the gas channel, as shown in fig. 5, a plurality of connecting bars 212 are uniformly arranged at the upper end of the cylindrical connecting piece 210 along the circumferential direction of the cylindrical connecting piece 210, and the lower end of the cylindrical connecting piece 210 is connected with a horizontal base 213; a space is arranged between every two adjacent connecting strips 212, and the upper ends of the connecting strips 212 are respectively connected to the lower surface of the rotating disc 209; the secondary filter element 208 is vertically sleeved outside the cylindrical connecting piece 210, the upper end of the secondary filter element 208 is connected with the lower surface of the rotary disc 209, a distance is reserved between the inner wall of the secondary filter element 208 and the connecting strips 212, namely, gaps exist, and the bottom of the secondary filter element 208 is connected with the horizontal base 213; the horizontal base 213, the turntable 209 and the secondary filter element 208 form a relatively sealed centrifugal chamber therebetween; further, a plurality of second gas channels 214 which obliquely penetrate through the rotating disc 209 in the vertical direction are uniformly formed on the upper surface of the rotating disc 209 along the circumferential direction of the rotating disc 209; the plurality of second gas channels 214 are all obliquely arranged, the oblique directions of the plurality of second gas channels 214 are the same/correspond to each other, and the plurality of second gas channels 214 are all corresponding to the positions between the secondary filter element 208 and the plurality of connecting strips 212; in this embodiment, the top of any of the second gas channels 214 is the centrifugal inlet, and the centrifugal inlet must be located near and corresponding to the end of the centrifuge inlet channel 205; in this embodiment, the end of the centrifuge inlet channel 205 is communicated with the top of the centrifuge inlet through a vertically downward sealing channel, so as to form a sealed first-stage gas-liquid separation product inlet channel; in the scheme, the material of the secondary filter element 208 is selected from metal, cotton or plastic, and correspondingly, in order to achieve a more precise filtering effect, the pore of the filter screen of the secondary filter element 208 is smaller than that of the primary filter element 105; in the scheme, because the second gas channel 214 is obliquely arranged, under the action of the negative pressure subunit 206, liquid in a product entering from the centrifugal inlet flows obliquely into the rotary centrifugal subunit along with the second gas channel 214 to rotate, so that centrifugal action is realized, and finally, the liquid in the product entering from the centrifugal inlet is thrown onto the inner wall of the secondary shell 201 and flows downwards to the secondary liquid outlet 204 along with the inner wall of the secondary shell 201;

as an embodiment of the present invention, the liquid collecting module 3 includes: a first connection pipe 301, a second connection pipe 302, and a special pipe 303; a first liquid inlet and a second liquid inlet are formed in the upper end of the special pipe 303, and a liquid collecting outlet 304 which is communicated with the first liquid inlet and the second liquid inlet is formed in the lower end of the special pipe 303; the first liquid inlet and the second liquid inlet are both the collecting port; the special pipe 303 is disposed below the primary shell 101 and the secondary shell 201, the primary liquid outlet 104 of the primary shell 101 is communicated with the first liquid inlet through the first connecting pipe 301, and the secondary liquid outlet 204 of the secondary shell 201 is communicated with the second liquid inlet through the second connecting pipe 302; in this embodiment, the special pipe 303 includes but is not limited to a "T-shaped pipe" or a "Y-shaped pipe", and the liquid collecting module 3 mainly functions to collect the liquid products separated from the primary liquid outlet 104 and the secondary liquid outlet 204, so the first connecting pipe 301 and the second connecting pipe 302 can be specifically designed according to specific requirements, so as to realize "multi-path product collection, single-path discharge" as a main focus; for example, the lower end of the first connection pipe 301 may be connected to the lower end side of the second connection pipe 302, thereby achieving the same function.

In this embodiment 2, the usage principle of the present invention is as follows:

as shown in fig. 7, the gas-liquid flow direction is schematic, first, the negative pressure subunit 206 in the present apparatus is started, the raw material inlet 102 is aligned to a position where gas-liquid separation is required, under the action of the negative pressure subunit 206, the raw material of the gas-liquid mixture is sucked into the raw material inlet 102, the sucked raw material of the gas-liquid mixture first passes through the primary filter element 105, and then large particle impurities in the gas-liquid mixture are filtered; then, due to the action of the negative pressure subunit 206, the gas-liquid product filtered by the primary filter element 105 passes through the separation channel 106, and due to the action of the separation partition plate 107 in the separation channel 106, when the gas-liquid product passes through the separation partition plate 107, as shown in fig. 10, the gas-liquid flow direction at the separation partition plate 107 is indicated, liquid in the gas-liquid product will hit the separation partition plate 107 at the edge of the separation channel 106, and further certain collection is performed on liquid in the gas-liquid product, the collected liquid flows to the tail end of the separation port along the separation partition plate 107, and then falls into the primary liquid outlet 104, and further falls into the primary liquid outlet 104, and flows into the special pipe 303 along the first connecting pipe 301, and gas with a small amount of liquid particles in the gas-liquid product will be sucked into the primary gas outlet 103 through the separation port on the separation partition plate 107 under the action of the negative pressure subunit 206, and the gas with a small amount of liquid particles will enter the secondary gas inlet 202 and reach the secondary treatment module, so as to complete primary separation and filtration;

then, due to the action of the negative pressure subunit 206, the gas with a small amount of liquid particles reaching the secondary processing module firstly enters the centrifuge inlet channel 205, and then enters the moving centrifugal inlet, as shown in the gas-liquid flow direction in the rotating centrifugal subunit shown in fig. 8, due to the action of the negative pressure subunit 206, the gas with a small amount of liquid particles enters the second gas channel 214 along with the centrifugal inlet, and due to the inclined design of the second gas channel 214, the gas with a small amount of liquid particles obliquely flows into the rotating centrifugal subunit along with the second gas channel 214 and rotates around the axis of the secondary filter element 208 under the action of the negative pressure subunit 206, so as to realize centrifugal processing, and finally realize gas-liquid separation through centrifugal action; under the action of centrifugation, liquid in a product entering from the centrifugal inlet is thrown onto the inner wall of the secondary shell 201, then flows downwards to the secondary liquid outlet 204 along with the inner wall of the secondary shell 201, and flows into the special-shaped pipe 303 through the second connecting pipe 302, gas separated by the action of centrifugation flows out of the centrifugal outlet and moves upwards under the action of the negative pressure subunit 206, and is finally sucked out of the secondary gas outlet 203, so that secondary gas-liquid separation and filtration are completed;

finally, the gas-liquid mixture entering from the raw material inlet is separated efficiently, the separated gas is discharged from the secondary gas outlet 203, and the separated liquid can be taken out from the liquid collection outlet 304.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same principle as the protection scope of the present invention.

Claims (10)

1. A gas-liquid separation device having double filtration and double separation functions, comprising: the device comprises a primary treatment module (1), a secondary treatment module (2) and a liquid collection module (3);

the primary treatment module (1) is provided with a primary gas outlet (103) and a primary liquid outlet (104), and the primary liquid outlet (104) is arranged below the primary gas outlet (103);

a secondary gas inlet (202) and a secondary liquid outlet (204) are arranged on the secondary treatment module (2), and the secondary liquid outlet (204) is arranged below the secondary gas inlet (202) correspondingly; the secondary treatment module (2) is arranged on one side of the primary treatment module (1), and the secondary gas inlet (202) is connected with the primary gas outlet (103);

the liquid collecting module (3) is provided with a collecting port, the liquid collecting module (3) is arranged below the primary treatment module (1) and the secondary treatment module (2), and the collecting port is respectively arranged corresponding to the primary liquid outlet (104) and the secondary liquid outlet (204).

2. A gas-liquid separating apparatus having double filtration and double separation functions according to claim 1, wherein:

the primary processing module (1) comprises: a primary shell (101) and a primary separation and filtration unit;

the primary shell (101) is hollow, and the primary separation and filtration unit is arranged in the primary shell (101);

a raw material inlet (102) is formed in one end of the primary shell (101), and a primary gas outlet (103) is formed in the other end of the primary shell (101) corresponding to the raw material inlet (102); the primary liquid outlet (104) is arranged at the bottom of the primary shell (101) close to one side of the primary gas outlet (103).

3. A gas-liquid separating apparatus having double filtration and double separation functions according to claim 2, wherein:

the first-stage separation filtering unit comprises: a primary filter element (105) and a primary separation subunit;

the primary filter element (105) is horizontally arranged in the primary shell (101), and the primary filter element (105) is close to and arranged corresponding to the raw material inlet (102);

the primary separation subunit is vertically arranged between the primary filter element (105) and the primary gas outlet (103) corresponding to the primary liquid outlet (104).

4. A gas-liquid separating apparatus having double filtration and double separation functions according to claim 3, wherein:

a separation channel (106) is arranged in the primary shell (101) and is positioned between the primary filter element (105) and the primary gas outlet (103);

the primary separation subunit comprises: a separation partition (107);

the separation baffle plate (107) is vertically arranged in the middle of the separation channel (106), the front surface of the separation baffle plate (107) is arranged corresponding to the primary filter element (105), the rear surface of the separation baffle plate (107) is arranged corresponding to the primary gas outlet (103), and the bottom of the separation baffle plate (107) is arranged corresponding to the primary liquid outlet (104); one end of the primary filter element (105) close to the separation partition plate (107) is detachably connected with the inner wall of the primary shell (101).

5. A gas-liquid separating apparatus having double filtration and double separation functions according to claim 4, wherein:

the upper end of the separation partition plate (107) is connected with the inner wall of the top of the primary shell (101) at the separation channel (106), the lower end of the separation partition plate (107) is arranged close to the primary liquid outlet (104), the front surface of the separation partition plate (107) faces the primary filter element (105), and the rear surface of the separation partition plate (107) faces the primary gas outlet (103);

or the like, or, alternatively,

the separation partition plate (107) is embedded in the primary shell (101) at the separation channel (106), and a separation port penetrating through the separation partition plate (107) in the horizontal direction is formed in the middle of the front surface of the separation partition plate (107); the size of the separation port is smaller than that of the primary gas outlet (103), and the bottom of the separation port extends downwards to be communicated with the primary liquid outlet (104).

6. A gas-liquid separating apparatus having double filtration and double separation functions according to claim 5, wherein:

the secondary processing module (2) comprises: a secondary shell (201) and a secondary centrifugal separation filter unit;

the secondary shell (201) is designed to be hollow, and the secondary centrifugal separation and filtration unit is arranged in the secondary shell (201);

the secondary shell (201) is arranged on one side of the primary shell (101) corresponding to the primary gas outlet (103), and the secondary shell (201) is also provided with a secondary gas outlet (203);

the secondary gas inlet (202) and the secondary gas outlet (203) are respectively arranged at two sides of the top of the secondary shell (201);

the secondary liquid outlet (204) is arranged at the bottom of the secondary shell (201) between the secondary gas inlet (202) and the secondary gas outlet (203).

7. A gas-liquid separating apparatus having double filtration and double separation functions according to claim 6, wherein:

the two-stage centrifugal separation filtration unit comprises: a centrifuge inlet channel (205), a spinning centrifuge subunit and a negative pressure subunit (206);

the centrifuge inlet channel (205) is horizontally arranged at the top position in the secondary shell (201), the centrifuge inlet channel (205) is arranged close to the secondary gas inlet (202), and the head end of the centrifuge inlet channel (205) is communicated with the secondary gas inlet (202);

the negative pressure subunit (206) is arranged at a top position in the secondary housing (201), and the negative pressure subunit (206) is positioned at a position between the centrifuge inlet channel (205) and the secondary gas outlet (203); a negative pressure outlet of the negative pressure subunit (206) is communicated with the secondary air outlet (203), a negative pressure inlet (207) of the negative pressure subunit (206) is arranged corresponding to the middle position of the secondary shell (201), and the negative pressure inlet (207) is arranged downwards;

the rotary centrifugal subunit is embedded in the secondary shell (201) below the centrifuge inlet channel (205) and the negative pressure subunit (206), and the positions, corresponding to the tail end of the centrifuge inlet channel (205) and the negative pressure inlet (207), at the top of the rotary centrifugal subunit are respectively provided with a centrifugal inlet and a centrifugal outlet; the centrifugal inlet is communicated with the end of the centrifugal inlet channel (205), and the centrifugal outlet is communicated with the negative pressure inlet (207).

8. A gas-liquid separating apparatus having double filtration and double separation functions according to claim 7, wherein:

the rotary centrifuge subunit comprises: a secondary filter element (208), a rotary disc (209) and a cylindrical connector (210);

the rotating disc (209) is horizontally arranged below the centrifuge inlet channel (205) and the negative pressure subunit (206), and a first gas channel (211) penetrating through the rotating disc (209) in the vertical direction is formed in the upper surface of the rotating disc (209); the first gas channel (211) is located at the center of the rotating disc (209) and corresponds to the negative pressure inlet (207); the top of the first gas channel (211) is the centrifugal outlet;

the cylindrical connecting piece (210) is vertically arranged below the rotating disc (209) and corresponds to the position of the gas channel, a plurality of connecting strips (212) are uniformly arranged at the upper end of the cylindrical connecting piece (210) along the circumferential direction of the cylindrical connecting piece (210), and the lower end of the cylindrical connecting piece (210) is connected with a horizontal base (213); a space is arranged between every two adjacent connecting strips (212), and the upper ends of the connecting strips (212) are respectively connected to the lower surface of the rotating disc (209);

the secondary filter element (208) is vertically sleeved outside the cylindrical connecting piece (210), the upper end of the secondary filter element (208) is connected with the lower surface of the rotating disc (209), a distance is reserved between the inside of the secondary filter element (208) and the connecting strips (212), and the bottom of the secondary filter element (208) is connected with the horizontal base (213);

a plurality of second gas channels (214) which obliquely penetrate through the rotating disc (209) in the vertical direction are uniformly formed in the upper surface of the rotating disc (209) along the circumferential direction of the rotating disc (209); the second gas channels (214) are obliquely arranged, and the second gas channels (214) correspond to the positions between the secondary filter element (208) and the connecting strips (212); the top of any of the second gas channels (214) is the centrifugal inlet.

9. A gas-liquid separating apparatus having double filtration and double separation functions according to claim 6, wherein:

the liquid collection module (3) comprises: a first connecting pipe (301), a second connecting pipe (302) and a special pipe (303);

a first liquid inlet and a second liquid inlet are formed in the upper end of the special pipe (303), and a liquid collecting outlet (304) communicated with the first liquid inlet and the second liquid inlet is formed in the lower end of the special pipe (303); the first liquid inlet and the second liquid inlet are both the collecting port;

establish special pipe (303) one-level casing (101) with second grade casing (201) below, just one-level casing (101) one-level liquid export (104) pass through first connecting pipe (301) with first inlet intercommunication, second grade casing (201) second grade liquid export (204) pass through second connecting pipe (302) with the second inlet intercommunication.

10. A gas-liquid separating apparatus having double filtration and double separation functions according to claim 6, wherein:

a plurality of convex ribs (401) are arranged on the outer surface of one end, close to the separation partition plate (107), of the primary filter element (105), and a plurality of grooves respectively matched with the convex ribs (401) are arranged on the inner surface of the primary shell (101) and close to the raw material inlet (102); the plurality of convex ribs (401) are respectively matched and clamped with the plurality of grooves;

the material of the primary filter element (105) comprises: plastic materials, cotton materials and metal materials;

the lower end of the secondary shell (201) is funnel-shaped.

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