CN2142041Y

CN2142041Y - Combined cyclone separating filter

Info

Publication number: CN2142041Y
Application number: CN 92238282
Authority: CN
Inventors: 王武; 刘隽人; 罗作忠; 刘宗良; 张金; 王桂智
Original assignee: CNPC Huadong Prospecting and Design Research Institute
Current assignee: CNPC Huadong Prospecting and Design Research Institute
Priority date: 1992-10-27
Filing date: 1992-10-27
Publication date: 1993-09-15
Anticipated expiration: 2002-10-27

Abstract

The utility model relates to a combined cyclone separating filter, comprising a bracket, a cyclone separating part and a filter assembly. The cyclone separating part comprises a cyclone air intake section, a cyclone shell ring, cones, an expanding tube, etc., and the filter assembly comprises an outer cylinder body, a closing plate, a supporting plate, a filter element, etc. A connecting pipe is connected with the cyclone separation part and the filter assembly, and the cylinder body of the filter assembly wraps the expanding tube and all cones or parts of the cones of the cyclone separating part. The structure is simple, the speed of separation and filtration is fast, and the pressure drop of the pipe passage is small. The utility model lightens the burden of the recovery device and ensures the regular production of the compressor and the expander.

Description

Combined cyclone separating filter

The utility model relates to a kind of combined type Cyclonic separation filter, belongs to the gas-solid or gas-liquid-solid cleaning equipment of a kind of solution-air, is specially adapted to oil field natural gas (dry gas) and advances purified treatment such as the preceding separation of retracting device, filtration.

The retracting device of natural gas (dry gas) is more and more in each oil field, its major product is liquefied gas and light oil, the quality of the natural gas (dry gas) that needs are recycled, each oil field is not quite similar, there is quite a few natural gas (dry gas) to contain impurity such as greasy filth, have a strong impact on the normal operation of retracting device, particularly influence the working life of compressor, so separator and filter are generally installed in each oil field before the retracting device of natural gas (dry gas), and existing separator and filter mostly are independent device, complex structure, investment is big, takes up an area of wide, pressure-drop in pipeline is big, the separating and filtering weak effect.

The purpose of this utility model is to provide a kind of separating and filtering speed fast, effective, simple in structure combined type Cyclonic separation filter.

Combined type Cyclonic separation filter of the present utility model comprises support, the cyclonic separation part, and filter assemblies, wherein cyclonic separation part is by whirlwind air inlet section, the whirlwind shell ring, cone, convergent divergent channel, the core pipe, top board, end socket is formed; Whirlwind air inlet section is positioned on the flank of whirlwind shell ring, and whirlwind shell ring one end connects cone, and cone links to each other with convergent divergent channel again, is equipped with a top board in the whirlwind shell ring, and the top board center is an overcurrent core pipe, and the whirlwind shell ring other end is equipped with an end socket; Filter assemblies is in shrouding and support plate in the cylindrical shell by outer cylinder body, across the filter core between shrouding and the support plate, and the door closure of cylindrical shell, air inlet, escape pipe is formed; Also comprise a tube connector, tube connector one end links to each other with the outlet of whirlwind shell ring in the cyclonic separation part, and the tube connector other end connects the air inlet of filter assemblies middle cylinder body; Convergent divergent channel and all or part of cone in the cylindrical shell parcel cyclonic separation part in the filter assemblies.

Combined type Cyclonic separation filter of the present utility model, simple and reasonable for structure, cheap, easy to operate, safe and reliable, separating and filtering speed is fast, and is effective, pressure-drop in pipeline is little, cleaning frequency is long, and is easy to use, its use, alleviate the burden of retracting device, guaranteed the ordinary production of compressor and decompressor.This equipment has very big promotional value in the recovery of oil field natural gas (dry gas).

For introducing the utility model in detail, describe below in conjunction with accompanying drawing:

Fig. 1 is the structure diagram of combined type Cyclonic separation filter of the present utility model, for the sake of simplicity, only represents its structure with line chart among the figure;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the B-B cutaway view of Fig. 1;

Fig. 4 is that the C of Fig. 1 is to cutaway view;

Fig. 5 is the amplification assumption diagram of the guide pipe in the filter assemblies;

Fig. 6 is the amplification assumption diagram of the filter core in the filter assemblies.

Referring to accompanying drawing 1, combined type Cyclonic separation filter of the present utility model comprises support 10, cyclonic separation part 20, filter assemblies 30, its cyclonic separation part 20 is by whirlwind air inlet section 201, whirlwind shell ring 202, cone 203, convergent divergent channel 204, core pipe 205, top board 206, end socket 207 is formed; Whirlwind air inlet section 201 is positioned on the flank (referring to accompanying drawing 2) of whirlwind shell ring 202, whirlwind shell ring 202 1 ends connect cone 203, cone 203 links to each other with convergent divergent channel 204 again, be equipped with a top board 206 in the whirlwind shell ring 202, top board 206 centers are an overcurrent core pipe 205, and whirlwind shell ring 202 other ends are equipped with an end socket 207; Filter assemblies 30 is in shrouding 302 and support plate 303 in the cylindrical shell 301 by outer cylinder body 301, across the filter core 304 between shrouding 302 and the support plate 303, and the door closure 305 of cylindrical shell 301, air inlet 306, escape pipe 307 is formed; Also comprise a tube connector 40, tube connector 40 1 ends link to each other with the outlet 208 of whirlwind shell ring 202 in the cyclonic separation part 20, and tube connector 40 other ends connect the air inlet 306 of filter assemblies 30 middle cylinder bodies 301; Convergent divergent channel 204 and all or part of cone 203 in the cylindrical shell 301 parcel cyclonic separation parts 20 in the filter assemblies 30 make and separate and filter two parts and really make up, and reduce its overall structure greatly.

Natural gas enters whirlwind shell ring 202 from the whirlwind air inlet section 201 of whirlwind separating part 20, spiral advances in whirlwind shell ring 202, arrive convergent divergent channel 204 through cone 203, owing to be equipped with a blow-off pipe 209 on the convergent divergent channel 204 in the cyclonic separation part 20, blow-off pipe 209 links to each other with storage tank 210 again, so part moisture content and impurity are stayed the sidewall of convergent divergent channel 204, flow in the storage tank 210 by blow-off pipe 209.After the natural gas that rotation is advanced arrives the most end of convergent divergent channel 204, bounce-back is returned, center along cyclonic separation part 20 is flowed back to, core pipe 205 through top board 206 centers of installation in the whirlwind shell ring 202, flow to end socket 207 ends, from exporting 208, enter tube connector 40, be equipped with atmospheric valve 401 on the tube connector 40, tube connector 40 connects the air inlet 306 of filter assemblies 30 middle cylinder bodies 301, after gas enters the annular space of being made up of convergent divergent channel 204 and filtration barrel body 301, passes across the filter core 304 between shrouding 302 and the support plate 303, through filtering, discharge from escape pipe 307 at last.Structure referring to Fig. 1 and Fig. 3.

Be equipped with safety valve 308 and Pressure gauge 309 on the cylindrical shell 301 in the filter assemblies 30.

Be equipped with a guide pipe 310 on the shrouding 302 in the filter assemblies 30, guide pipe 310 stretches in the filter core 304, and its inserting end is a slope mouth, and concrete structure is referring to Fig. 5.Like this, make things convenient for the replacing operation of filter core 304 especially, simultaneously, cylindrical shell 301 ends in the filter assemblies 30 are the manhole structure of a door closure 305, and the structure referring to Fig. 4 makes things convenient for upkeep operation.

Filter core 304 in the filter assemblies 30 is by Multichannel pipe core 311, and the filtrate 312 in middle level and peripheral silk screen 313 are formed, and concrete structure is referring to Fig. 6.

Claims

1, a kind of combined type Cyclonic separation filter comprises support, the cyclonic separation part, and filter assemblies is characterized in that the cyclonic separation part by whirlwind air inlet section, the whirlwind shell ring, cone, convergent divergent channel, the core pipe, top board, end socket is formed; Whirlwind air inlet section is positioned on the flank of whirlwind shell ring, and whirlwind shell ring one end connects cone, and cone links to each other with convergent divergent channel again, is equipped with a top board in the whirlwind shell ring, and the top board center is an overcurrent core pipe, and the whirlwind shell ring other end is equipped with an end socket; Filter assemblies is in shrouding and support plate in the cylindrical shell by outer cylinder body, across the filter core between shrouding and the support plate, and the door closure of cylindrical shell, air inlet, escape pipe is formed; Also comprise a tube connector, tube connector one end links to each other with the outlet of whirlwind shell ring in the cyclonic separation part, and the tube connector other end connects the air inlet of filter assemblies middle cylinder body; Convergent divergent channel and all or part of cone in the cylindrical shell parcel cyclonic separation part in the filter assemblies.

2, combined type Cyclonic separation filter according to claim 1 is characterized in that being equipped with a blow-off pipe on the convergent divergent channel in the above-mentioned cyclonic separation part, and blow-off pipe links to each other with storage tank.

3, combined type Cyclonic separation filter according to claim 1 is characterized in that being equipped with on the above-mentioned tube connector atmospheric valve.

4, combined type Cyclonic separation filter according to claim 1 is characterized in that being equipped with on the cylindrical shell in the above-mentioned filter assemblies safety valve and Pressure gauge.

5, combined type Cyclonic separation filter according to claim 1 is characterized in that being equipped with a guide pipe on the shrouding in the above-mentioned filter assemblies, and guide pipe stretches in the filter core, and its inserting end is a slope mouth.

6, combined type Cyclonic separation filter according to claim 1 is characterized in that filter core in the above-mentioned filter assemblies by Multichannel pipe core, and the filtrate in middle level and peripheral silk screen are formed.