CN219871265U - High-temperature high-pressure filtration instrument - Google Patents

Abstract

The utility model relates to a high-temperature high-pressure filtration instrument, which relates to the technical field of filtration instruments and comprises a machine base, a cup body for containing a sample, a heat preservation component for heating and preserving heat of the sample, a pressurizer for pressurizing the sample, a back pressure receiver for receiving the filtered sample, and a filtering mechanism for filtering the sample, wherein the filtering mechanism comprises a filter cylinder for preliminarily filtering the sample; the stirring assembly is used for stirring the sample; filter paper for re-filtering the sample. According to the utility model, the sample is placed in the cup body, the heat preservation component is used for heating and preserving heat, the pressurizer is used for pressurizing, the stirring component is used for stirring the sample, the sample is subjected to primary filtration through the filter cartridge, then is subjected to secondary filtration through the filter paper, the filtered sample is discharged into the back pressure receiver through the discharge pipe, the sample is stirred through the stirring blade, the filter cartridge is used for carrying out primary filtration on the sample, and the filter paper is used for carrying out secondary filtration on the sample, so that the filtration efficiency of the sample is improved.

Description

High-temperature high-pressure filtration instrument

Technical Field

The utility model relates to the technical field of filtration apparatuses, in particular to a high-temperature high-pressure filtration apparatus.

Background

The high-temperature high-pressure filtration instrument is an instrument for simulating the filtration of drilling fluid or cement slurry in a deep well under high-temperature high-pressure conditions, meanwhile, a filter cake formed after filtration can be prepared for further inspection and analysis, and the data obtained by analysis has important roles in drilling exploration, construction and the like.

A high temperature, high pressure filtration apparatus, publication No. CN203452768U, provides a device for filtration of samples in high temperature, high pressure environments, comprising a cup for holding and filtering the samples, a heating jacket for heating the samples, a pressurizer for pressurizing the samples, and a back pressure receiver for receiving the filtered samples.

The drilling fluid or the cement slurry contains a large amount of solid particles with larger volume, and the device only filters the sample through one layer of filter paper, and the particles with larger volume in the sample are easily accumulated on the filter paper during filtering to cause blockage on the filter paper, so that the rate of the sample passing through the filter paper is reduced, and the filtering efficiency of the sample is reduced.

Disclosure of Invention

In order to improve the filtering efficiency of a sample, the utility model provides a high-temperature high-pressure filtration device.

The utility model provides a high-temperature high-pressure filtration instrument, which adopts the following technical scheme:

the utility model provides a high temperature high pressure filtration appearance, includes the frame, sets up just be used for holding the cup of sample, set up on the frame and be used for carrying out the heat retaining heat preservation subassembly of heating to the sample, set up on the cup and be used for carrying out the pressurizer of pressurization to the sample, set up on the cup and be used for receiving the back pressure receiver of filtered sample, be provided with on the cup and be used for carrying out filterable filter unit to the sample, filter unit includes:

the filter cartridge is arranged in the cup body and is uniformly provided with a plurality of through holes, and the filter cartridge is used for carrying out preliminary filtration on a sample;

the stirring assembly is arranged in the cup body and is used for stirring the sample and filtering the sample through the filter cartridge;

the filter paper is arranged on the cup body and is uniformly provided with a plurality of filter holes with diameters smaller than that of the through holes, and the filter paper is used for filtering the filtered sample of the filter cartridge again.

Through adopting above-mentioned technical scheme, add the cup with the sample in, heat preservation subassembly heats the sample to appointed temperature and keeps warm, the pressurizer pressurizes to appointed pressure value in to the cup, start stirring subassembly stirs the sample, the sample carries out preliminary filtration through the cartridge filter, then the rethread filter paper filters once more, the sample after the filtration is discharged into back pressure receiver and is received, stir through stirring subassembly, the cartridge filter carries out preliminary filtration to the sample, thereby impurity has reduced and has caused the jam to filter paper and make the probability that flow velocity slows down, improve the filtration efficiency to the sample.

Further, the stirring assembly includes:

the rotating shaft is rotatably arranged on the cup body;

a plurality of stirring blades, wherein the stirring blades are arranged on the rotating shaft;

the driving motor is arranged on the cup body and connected with the rotating shaft.

Through adopting above-mentioned technical scheme, driving motor starts and drives the pivot rotation, and the pivot drives a plurality of stirring leaves and rotates, makes a plurality of stirring leaves stir the sample, has improved the filterable speed of sample.

Further, be provided with the butt ring that is round platform form on the cartridge filter top lateral wall, butt ring top diameter is greater than the bottom diameter and top butt is on the cup inner wall and is used for guiding the sample in the cup, form the filtration space that supplies the sample to pass through between butt ring, cartridge filter and the cup inner wall.

By adopting the technical scheme, the abutting ring is abutted on the cup body and divides the cup body into two parts with the filter cartridge, wherein the upper part is an unfiltered sample, and the lower part is a preliminarily filtered sample; the filtering area for filtering the sample is increased through the filtering space, so that the filtering rate of the sample is conveniently improved.

Further, the cup includes:

the top cover is arranged on the machine base;

the top end of the cylinder body is detachably arranged on the top cover, the filter cartridge is detachably arranged on the top cover through the connecting component and positioned in the cylinder body, and the stirring component is arranged on the top cover and extends into the filter cartridge and is used for stirring samples in the filter cartridge;

the bottom cover is detachably arranged at the bottom end of the cylinder body.

Through adopting the technical scheme, during installation, the filter cartridge is fixedly installed on the top cover through the connecting component, the cylinder body is sleeved on the filter cartridge and is fixedly installed on the top cover through the screw, and the bottom cover is fixedly installed on the cylinder body through the screw; when the detection is completed, the bottom cover, the cylinder body and the filter cylinder are detached in the reverse order, so that the cup body can be conveniently cleaned and replaced.

Further, the connection assembly includes:

the connecting rod is arranged on the top of the filter cartridge and is inserted and arranged on the top cover;

the filter network card is arranged on the bottom cover in a clamping way, and the filter paper is arranged on the filter network in a clamping way;

the connecting screw rod passes the top cap and with connecting rod threaded connection.

Through adopting above-mentioned technical scheme, the cartridge filter passes through connecting rod and top cap butt, and connecting screw rod is with connecting rod fixed mounting on the top cap, and the filter screen supports the effect to filter paper, and the cartridge filter and filter paper of being convenient for support fixedly improves cup filter mechanism's stability.

Further, be provided with the material subassembly on bottom and the top cap, the material subassembly includes:

the discharging pipe is arranged on the top cover and used for adding a sample into the cylinder;

the discharging pipe is arranged on the bottom cover and used for discharging the sample filtered by the filter paper;

and the control valve is arranged on the discharge pipe.

Through adopting above-mentioned technical scheme, when packing into the cup with the sample through the row into the pipe, the row material pipe on the end cover passes through the control valve and closes, when beginning filtering to the sample, opens the control valve, and the sample after filtering is discharged into back pressure receiver through row material pipe on the end cover, is convenient for carry out feeding and discharge to the cup.

Further, the insulation assembly includes:

the heating box is arranged on the machine base, and the cup body is positioned in the heating box;

the heating plate is arranged on the heating box and used for heating;

the cooling plate is arranged on the heating box and used for cooling;

the temperature controller is arranged on the top cover and used for detecting the temperature in the cup body, and the temperature controller is electrically connected with the heating plate and the cooling plate.

By adopting the technical scheme, the cup body is placed in the heating box, when the temperature needs to be raised, the heating plate heats the cup body, and when the temperature controller detects that the temperature in the cup body is higher than a set value, the heating plate is closed, so that the temperature in the cup body is stabilized; when the temperature in the cup body reaches a set value, the temperature controller closes the temperature-increasing and reducing plate for heat preservation of the inner body; the temperature in the cup body is kept within the range of the set value, so that the measuring precision of the device is improved.

Further, the heating box is internally provided with heat preservation cotton for heat preservation, and the heat preservation cotton is arranged between the heating plate and the heating box and is used for preserving heat in the heating box.

Through adopting above-mentioned technical scheme, the cotton keeps warm cup and heat preservation subassembly, reduces thermal loss, keeps the sample in the cup in appointed temperature range, is convenient for improve the measurement accuracy of device.

In summary, the utility model has the following beneficial technical effects:

through placing the sample in the cup, heat preservation through heating by heat preservation subassembly, the pressurizer pressurizes, makes the sample reach appointed temperature and pressure, stirs the sample through stirring subassembly, and the sample carries out prefiltering through the cartridge filter, then filters once more through filter paper, and the sample after the filtration is discharged into back pressure receiver through arranging the material pipe in, stirs the sample through the stirring leaf, and the cartridge filter carries out prefiltering to the sample, and filter paper carries out secondary filtration to the sample, improves the filtration efficiency to the sample.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model, mainly showing the heating assembly and the cup;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is an enlarged schematic view of the portion B in fig. 3.

Reference numerals: 1. a base; 11. a base; 12. a bracket; 2. a thermal insulation assembly; 21. a heating box; 22. a heating plate; 23. a cooling plate; 24. a temperature controller; 25. thermal insulation cotton; 3. a cup body; 31. a top cover; 32. a cylinder; 33. a bottom cover; 34. a groove; 4. a filtering mechanism; 41. a filter cartridge; 411. an abutment ring; 42. a stirring assembly; 421. a rotating shaft; 422. stirring the leaves; 423. a driving motor; 43. a filter paper; 5. a connection assembly; 51. a connecting rod; 52. a filter screen; 53. a connecting screw; 6. a material conveying component; 61. a discharge pipe; 62. a discharge pipe; 63. a control valve; 7. a pressurizer; 71. a three-way valve; 72. a first air pressure detector; 8. a back pressure receiver; 81. a discharge pipe; 82. and a second air pressure detector.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a high-temperature high-pressure filtration apparatus.

The model number of the temperature controller 24 in the utility model is CNi32.

Referring to fig. 1 and 2, a high temperature and high pressure filtration apparatus includes a base 1, a cup 3 provided on the base 1 for holding a sample, a heat insulation assembly 2 provided on the base 1 for heating and heat insulation, a pressurizer 7 provided on the cup 3 for pressurizing the sample, a back pressure receiver 8 provided on the cup 3 for receiving the filtered sample, and a filter mechanism 4 provided on the cup 3 for filtering the sample.

Referring to fig. 1 and 3, the heat preservation assembly 2 comprises a heating box 21, a heating plate 22, a cooling plate 23 and a temperature controller 24, the base 1 comprises a base 11 and a bracket 12, the base 11 is horizontally placed on a table top, and the bracket 12 is fixedly installed on the upper surface of the base 11 and is in a vertical state; the heating box 21 is cuboid, the heating box 21 is fixedly arranged on the top end of the bracket 12, a round hole which is convenient for installing the cup body 3 is formed in the central position of the upper surface of the heating box 21, and the round hole runs through the heating box 21 along the vertical direction; the heating plate 22 is fixedly installed on the inner side wall of the heating box 21, the heating plate 22 is semi-cylindrical, meanwhile, the heating plate 22 and the round hole are coaxially arranged, the inner diameter of the heating plate is larger than the diameter of the round hole, the cup body 3 is coaxially and fixedly installed on the round hole, and the heating plate 22 is used for heating the cup body 3 and samples in the cup body 3.

Referring to fig. 1 and 3, a cooling plate 23 is semi-cylindrical and is fixedly installed on the inner side wall of the heating box 21, meanwhile, the cooling plate 23 and the round hole are coaxially arranged, the inner diameter of the cooling plate 23 is larger than the diameter of the round hole, the cooling plate 23 and the heating plate 22 are respectively positioned at two sides of the cup body 3, a refrigerant is filled in the cooling plate 23 or a refrigerating liquid is introduced, and the cooling plate 23 is used for cooling the cup body 3 and samples in the cup body 3; the temperature controller 24 is fixedly arranged on the cup body 3 and used for detecting the temperature in the cup body 3, the heat preservation cotton 25 is fixedly arranged on the inner side wall of the heating box 21, the heat preservation cotton 25 is positioned between the heating plate 22, the cooling plate 23 and the heating box 21, and the control plate for controlling the starting and stopping of the heating plate 22 and the cooling plate 23 is fixedly arranged on the heating box 21, so that the operation of the heating plate 22 and the cooling plate 23 according to the temperature control is realized.

Referring to fig. 3, when the temperature needs to be raised and the temperature controller 24 detects that the temperature in the cup 3 is lower than the set temperature, the control panel starts the heating plate 22 to start heating and closes the cooling plate 23, so as to raise the temperature in the cup 3; when the temperature controller 24 detects that the temperature in the cup body 3 reaches a set value, the control panel closes the heating plate 22 and starts the cooling plate 23 so as to be used for preserving the heat of the cup body 3; the temperature in the cup body 3 is kept within the range of the set value, so that the measuring precision of the device is convenient to improve.

Referring to fig. 3 and 4, the cup body 3 includes a top cover 31, a cylinder 32 and a bottom cover 33, the top cover 31 is cylindrical, the top cover 31 is fixedly mounted on the upper surface of the heating box 21 and is positioned at the circular hole, the cylinder 32 is cylindrical, the diameter of the cylinder is equal to that of the circular hole, and the cylinder 32 is clamped in the circular hole and is detachably connected with the top cover 31 through a screw; the bottom cover 33 is disc-shaped and is coaxially arranged with the round hole, the outer diameter of the bottom cover 33 is the same as that of the cylinder 32, the bottom cover 33 is detachably arranged on the bottom end of the cylinder 32 through a screw, and a circular groove 34 is coaxially formed in the upper surface of the bottom cover 33 and positioned on the inner side of the cylinder.

Referring to fig. 3 and 4, the filtering mechanism 4 includes a filtering cylinder 41 and a filter paper 43, the filtering cylinder 41 is connected to the lower surface of the bottom cover 33 through the connection assembly 5, the filtering cylinder 41 is positioned in the cylinder 32, the filtering cylinder 41 is cylindrical and has an outer diameter smaller than the inner diameter of the cylinder 32, and meanwhile, the filtering cylinder 41 and the cylinder 32 are coaxially arranged and a plurality of through holes are uniformly formed on the side wall; the coaxial fixed mounting in cartridge filter 41 top has annular abutment ring 411, abutment ring 411 is round platform form and top diameter is greater than bottom diameter size, abutment ring 411 top lateral wall and barrel 32 inside wall butt, abutment ring 411 is convenient for carry out the filtration with leading-in cartridge filter 41 of the sample in the barrel 32, the filtration space that supplies the sample to pass through has been formed between abutment ring 411, cartridge filter 41 lateral wall and the cup 3 inside wall, filter paper 43 joint is installed in recess 34, a plurality of diameters are less than the filtration pore of through-hole on the filter paper 43 evenly.

Referring to fig. 3 and 4, the connection assembly 5 includes a connection rod 51, a filter net 52, and a connection screw 53, the connection rod 51 being fixedly installed on the inner sidewall of the abutment ring 411, the top end of the connection rod 51 being abutted on the lower surface of the bottom cover 33; the filter screen 52 is arranged in the groove 34 in a clamping manner, the filter screen 52 is horizontal and is provided with a plurality of filter holes, the diameters of the filter holes are equal to those of the through holes, the filter paper 43 is arranged on the upper surface of the filter plate in a clamping manner, the filter paper 43 is provided with a plurality of filter holes with diameters smaller than those of the through holes, the filter screen 52 is used for supporting the filter paper 43, and deformation of the filter paper 43 due to the pressure effect is reduced; the connection screw 53 passes through the upper surface of the top cover 31, and the connection screw 53 is screw-coupled to the top end of the connection rod 51 such that the connection rod 51 abuts against the lower surface of the bottom cover 33.

Referring to fig. 2 and 3, the filtering mechanism 4 further includes a stirring assembly 42, the stirring assembly 42 includes a rotation shaft 421, a plurality of stirring blades 422, and a driving motor 423, the rotation shaft 421 is vertically rotatably installed on the upper surface of the top cover 31, and the rotation shaft 421 extends into the filter cartridge 41 through the upper surface of the top cover 31; the stirring blades 422 are fixedly arranged on the rotating shaft 421 and are circumferentially arranged around the axis of the cup body 3, and the stirring blades 422 are positioned in the filter cartridge 41; the driving motor 423 is fixedly arranged on the upper surface of the top cover 31, and an output shaft of the driving motor 423 is coaxially and fixedly arranged with the rotating shaft 421 and is used for driving the rotating shaft 421 to rotate; the driving motor 423 is started to drive the rotating shaft 421 to rotate, and the rotating shaft 421 drives the plurality of stirring blades 422 to rotate, so that the plurality of stirring blades 422 stir the sample.

Referring to fig. 1 and 3, a material feeding assembly 6 is provided on the bottom cover 33, the material feeding assembly 6 includes a discharge pipe 61, a discharge pipe 62 and a control valve 63, the discharge pipe 61 is fixedly installed on the upper surface of the top cover 31, a sample is discharged into the cylinder 32 through the discharge pipe 61, the discharge pipe 61 is connected with a three-way valve 71 through a screw thread, one side of the three-way valve 71 is fixedly connected with a pressurizer 7, the pressurizer 7 pressurizes the inside of the cup 3 through the three-way valve 71 and the discharge pipe 61, and the other end of the three-way valve 71 is fixedly provided with a first air pressure detector 72; when the cup 3 is filtered, the heating plate 22 heats the sample in the cup 3 to a predetermined temperature, and the air pressure in the cup 3 is pressurized to a predetermined air pressure by the pressurizer 7.

Referring to fig. 1 and 3, the discharge pipe 62 is fixedly installed at a central position on the lower surface of the bottom cover 33 and is communicated with the inside of the cup body 3, the other end of the discharge pipe 62 is fixedly installed on the back pressure receiver 8, the back pressure receiver 8 is fixedly installed with a communicating pipe, the communicating pipe is communicated with the back pressure receiver 8, meanwhile, a second air pressure detector 82 fixedly connected with the first air pressure detector 72 is fixedly installed on the communicating pipe, a discharge pipe 81 for pressure relief is arranged on the back pressure receiver 8, and a discharge valve for controlling the opening and closing of the discharge pipe 81 is fixedly installed on the discharge pipe 81.

Referring to fig. 1 and 3, a control valve 63 is fixedly installed at the discharge pipe 62 and serves to control the opening or closing of the discharge pipe 62; closing the control valve 63 to close the discharge pipe 62, discharging the sample into the cup body 3, heating and pressurizing the sample, opening the control valve 63 to open the discharge pipe 62 when the sample starts to be filtered, discharging the filtered sample into the cup body 3, and regulating the pressure of the first air pressure control valve 63 and the second air pressure control valve 63 to ensure that the air pressure in the cup body 3 is similar to the air pressure in the back pressure receiver 8.

The working principle of the embodiment of the utility model is as follows: placing the sample in cup 3, make the sample keep warm at the settlement temperature under hot plate 22, cooling plate 23 and temperature controller 24 combined action, pressurizer 7 makes the sample keep under the settlement pressure, start driving motor 423 drive stirring leaf 422 stirs the sample, the sample carries out prefilter through cartridge filter 41, then filter once more through filter paper 43, the sample after the filtration is discharged into back pressure receiver 8 through arranging material pipe 62 in, stir the sample through stirring leaf 422, cartridge filter 41 carries out prefilter to the sample, filter paper 43 carries out secondary filtration to the sample, filter paper 43 takes place the probability of jam, improve the filtration efficiency to the sample.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a high temperature high pressure filtration appearance, includes frame (1), sets up just be used for to holding cup (3) of sample on frame (1), set up on frame (1) and be used for carrying out heat retaining heat preservation subassembly (2) to the sample, set up on cup (3) and be used for carrying out pressurized presser (7) to the sample, set up on cup (3) and be used for receiving back pressure receiver (8) of sample after filtering, its characterized in that: the cup body (3) is provided with a filtering mechanism (4) for filtering a sample, and the filtering mechanism (4) comprises:

the filter cartridge (41), the filter cartridge (41) is arranged in the cup body (3) and is uniformly provided with a plurality of through holes, and the filter cartridge (41) is used for carrying out preliminary filtration on a sample;

the stirring assembly (42) is arranged in the cup body (3) and is used for stirring the sample and filtering the sample through the filter cartridge (41);

the filter paper (43), a plurality of filtering holes with diameters smaller than the through holes are uniformly formed in the cup body (3) through the filter paper (43), and the filter paper (43) is used for filtering the sample filtered by the filter cartridge (41) again.

2. The high temperature, high pressure filtration apparatus of claim 1, wherein: the stirring assembly (42) comprises:

a rotating shaft (421), wherein the rotating shaft (421) is rotatably arranged on the cup body (3);

a plurality of stirring blades (422), wherein the stirring blades (422) are arranged on the rotating shaft (421);

the driving motor (423) is arranged on the cup body (3) and is connected with the rotating shaft (421).

3. The high temperature, high pressure filtration apparatus of claim 1, wherein: be provided with on cartridge filter (41) top lateral wall and be round platform form butt ring (411), butt ring (411) top diameter is greater than bottom diameter and top butt are on cup (3) inside wall and are used for guiding the sample to cup (3), form the filtration space that supplies the sample to pass through between butt ring (411), cartridge filter (41) and cup (3) inside wall.

4. The high temperature, high pressure filtration apparatus of claim 1, wherein: the cup body (3) comprises:

the top cover (31) is arranged on the machine base (1);

the top end of the cylinder body (32) is detachably arranged on the top cover (31), the filter cartridge (41) is detachably arranged on the top cover (31) through the connecting component (5) and positioned in the cylinder body (32), and the stirring component (42) is arranged on the top cover (31) and extends into the filter cartridge (41) and is used for stirring samples in the filter cartridge (41);

and the bottom cover (33) is detachably arranged on the bottom end of the cylinder body (32).

5. The high temperature, high pressure filtration apparatus of claim 4, wherein: the connection assembly (5) comprises:

the connecting rod (51) is arranged on the top of the filter cartridge (41) and is inserted and arranged on the top cover (31);

the filter screen (52) is arranged on the bottom cover (33) in a clamping way, and the filter paper (43) is arranged on the filter screen (52) in a clamping way;

and the connecting screw rod (53) passes through the top cover (31) and is in threaded connection with the connecting rod (51).

6. The high temperature, high pressure filtration apparatus of claim 4, wherein: the bottom cover (33) and the top cover (31) are provided with a material conveying assembly (6), and the material conveying assembly (6) comprises:

a discharge pipe (61), the discharge pipe (61) being provided on the top cover (31) and for adding a sample into the cylinder (32);

a discharge pipe (62), the discharge pipe (62) being provided on the bottom cover (33) and for discharging the sample filtered through the filter paper (43);

and a control valve (63), wherein the control valve (63) is arranged on the discharge pipe (62).

7. The high temperature, high pressure filtration apparatus of claim 4, wherein: the insulation assembly (2) comprises:

the heating box (21) is arranged on the machine base (1), and the cup body (3) is positioned in the heating box (21);

a heating plate (22), the heating plate (22) being arranged on the heating box (21) and being used for heating;

the cooling plate (23) is arranged on the heating box (21) and used for cooling;

the temperature controller (24), temperature controller (24) set up on top cap (31) and are used for detecting the temperature in cup (3), temperature controller (24) are connected with hot plate (22) and cooling plate (23) electricity.

8. The high temperature, high pressure filtration apparatus of claim 7, wherein: the heating box (21) is internally provided with heat preservation cotton (25) for heat preservation, and the heat preservation cotton (25) is arranged between the heating plate (22) and the heating box (21) and is used for heat preservation in the heating box (21).