CN212340909U

CN212340909U - A water sieve formula drying-machine integrated device for particle analysis

Info

Publication number: CN212340909U
Application number: CN202021760447.6U
Authority: CN
Inventors: 黄娟娟; 陈忠凯; 颜文杰; 林华明
Original assignee: Fujian Liujian Group Co ltd
Current assignee: Fujian Liujian Group Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-01-12
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a water sieve type dryer integrated device for particle analysis, which comprises a dryer, a screening device arranged in the dryer and a base arranged below the dryer, wherein a vertical rigid water pipe is arranged in the middle of the screening device, and a plurality of groups of symmetrically distributed high-pressure water guns are arranged on the outer wall of the rigid water pipe at intervals from top to bottom and are used for washing sample particles in the screening device; rigid water pipe upper portion is connected to water installations, and rigid water pipe lower part water diversion is to locating the water catch bowl of drying-machine bottom, the water catch bowl drainage is to installing in the water storage device of outside. The utility model discloses in, it is rotatory to rotate the base and drive screening plant through the power device drive, utilizes the high-pressure squirt to carry out comprehensive washing to the sample granule in the screening plant simultaneously to get rid of the thin granule of viscidity attached to on the large granule, the granule after the back rethread drying machine is dried after washing, realizes screening, stoving integration, obtains more accurate ground grain composition scope.

Description

A water sieve formula drying-machine integrated device for particle analysis

Technical Field

The utility model belongs to the technical field of laboratory paraphernalia, concretely relates to a water sieve formula drying-machine integrated device for particle analysis.

Background

In recent years, with the rapid development of engineering construction, the screening device has attracted attention of wide students in various particle analysis tests of concrete, asphalt aggregate, coarse-grained soil, cohesive soil and the like, a great deal of experimental research is carried out on particle analysis in academic circles and engineering circles, and a plurality of water screening devices are also developed and mainly applied to dryers, screening instruments, water screening instruments and the like. The particle grading range can be obtained, and then the aggregate mixing proportion is adjusted to meet the strength requirement of the test, and the particle analysis test is the most common test method for researching the soil mass particle grading range. However, the particle analysis test also has the following disadvantages:

1. when the sample is dried by the dryer, sticky particles with the particle size of less than 0.075mm are solidified and attached to large particles, so that fine particles cannot be completely screened accurately during screening;

2. the phenomenon that powder particles of aggregate are attached to large particles is more, a large amount of dust is generated during screening of a screening instrument to influence the health of testers, and the influence of the powder particles cannot be accurately eliminated, so that the inaccuracy of test data is caused;

3. when the water sieve appearance of present research erodees, the large granule volume more than 0.075mm that runs off is big and ubiquitous, need move to the drying-machine stoving behind the water sieve and carry out screening test again, not only runs off the granule to 0.075mm and produces the influence, can't erode more accurately completely viscidity granule when erodeing moreover, still need carry out secondary treatment when causing the screening test, and the test process is loaded down with trivial details and not accurate.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims to provide a water sieve formula drying-machine integrated device for particle analysis through the mode of stoving with the integration of water sieve, has reduced the healthy influence that the dust caused to the experimenter to screening plant adopts closed water sieve to erode the stoving, has not only alleviateed loaded down with trivial details work load for the experimenter, improves the degree of accuracy of screening process moreover greatly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a water sieve type dryer integrated device for particle analysis comprises a dryer, a screening device and a base, wherein the screening device is arranged inside the dryer, the base is arranged below the dryer, a rotating base is arranged below the inside of the dryer, the screening device is placed above the rotating base, a rotating shaft is connected to the middle of the bottom surface of the rotating base, the rotating shaft vertically penetrates through the bottom wall of the dryer downwards to extend to the outside and is connected with a power device arranged at the side edge of the base, and the power device drives the rotating shaft and drives the screening device on the rotating base to rotate; a vertical rigid water pipe is arranged in the middle of the screening device, and a plurality of groups of symmetrically distributed high-pressure water guns are arranged on the outer wall of the rigid water pipe at intervals from top to bottom; the upper part of the rigid water pipe is connected to a water inlet device, the lower part of the rigid water pipe leads water to a water collecting tank arranged at the bottom of the dryer, and the water collecting tank drains water to a water storage device arranged outside.

Furthermore, the screening device comprises a top cover, a plurality of screen discs and a base disc which are sequentially arranged from top to bottom, wherein the top cover and the screen discs, two adjacent screen discs and the base disc are connected and overlapped through fasteners; the rigid water pipe vertically penetrates through the top cover and the plurality of sieve trays and is connected to the outer side of the chassis and provided with a pipeline, and water in the sieving device is discharged into the water collecting tank through the pipeline.

Furthermore, the sieve tray and the chassis respectively comprise a tray with an opening at the top end and an accommodating space, and the rotary buckle support blocks are arranged on the outer walls of the two sides of the top end of the tray; the support that symmetric distribution all is provided with in top cap and sieve tray lower extreme both sides, and the relative one side of two supports all is provided with and revolves the knot tray circumference and establishes the spacing knot union piece of complex with the tray, all be connected with spacing knot union piece overlap joint cooperation through revolving the knot tray between top cap and the sieve tray, between two adjacent sieve trays and between sieve tray and the chassis.

Furthermore, rollers are arranged in the middle of the top cover, the plurality of sieve trays and the base plate, and the rigid water pipe is a sectional water pipe and is respectively and tightly sleeved in the rollers in the middle of the top cover, the plurality of sieve trays and the base plate and communicated with the rollers; each roller is tightly held and fixed through a conical protection cylinder arranged above the roller, and a sectional type water pipe is arranged in the middle of each conical protection cylinder in a penetrating mode; and each sectional type water pipe is provided with symmetrically distributed stirring blades.

Furthermore, exhaust holes are formed in the upper portion of the top cover and the side face of the sieve tray; the side of top cap and sieve tray all is provided with the handle of carrying of being convenient for of symmetric distribution.

Further, the rotating base comprises a base, vertical rods and a top pressing cover, the bottom of the base is connected with the rotating shaft, the vertical rods are fixed on two sides of the base, the screening device is arranged between the two vertical rods, and the top pressing cover penetrates through the tops of the two vertical rods and is fixed through fixing bolts, so that the screening device is pressed and fixed.

Furthermore, the water inlet device comprises a water tank, a water flow control valve, a water pressure gauge, a water stop valve and a water inlet pipe, wherein the water tank is connected with the rigid water pipe through the water inlet pipe, and the water flow control valve, the water pressure gauge and the water stop valve are sequentially arranged on the water inlet pipe along the water flow direction.

Furthermore, a flat-open top cover is arranged at the top end of the dryer, and an exhaust valve is arranged on the flat-open top cover; and a door is hinged to one side of the front surface of the dryer.

The utility model discloses beneficial effect as follows:

1. the utility model discloses in, it is rotatory to rotate the base and drive screening plant through the power device drive, utilizes the high-pressure squirt to carry out comprehensive washing to the sample granule in the screening plant simultaneously to get rid of the thin granule of viscidity attached to on the large granule, the granule after the back rethread drying machine is dried after washing, realizes screening, stoving integration, obtains more accurate ground grain composition scope.

2. The utility model discloses in, through the mode of water sieve and stoving integration, reduced the healthy influence that the dust caused to the experimenter to screening plant adopts closed water sieve to erode the stoving, has alleviateed loaded down with trivial details work load for the experimenter, improves the degree of accuracy of screening process greatly, simultaneously, the utility model discloses well experimental apparatus easy operation, convenient to popularize and use.

Drawings

Fig. 1 is a schematic front view of the integrated device of a water sieve type dryer for particle analysis of the present invention;

fig. 2 is a front view structural intention of the integrated device of the water sieve type dryer for particle analysis in a use state;

FIG. 3 is a schematic top view of the structure of FIG. 2;

fig. 4 is a schematic view of the connection front structure of the sieving device of the present invention;

FIG. 5 is a schematic view of the side view of the connection of the sieving device of the present invention;

fig. 6 is a schematic top view of the middle top cover of the present invention;

fig. 7 is a schematic top view of the sieve tray of the present invention;

fig. 8 is a schematic top view of the middle chassis according to the present invention.

Wherein:

1. a dryer; 101. a water collection tank; 102. a flat-open top cover; 103. an exhaust valve; 104. a box door; 2. a screening device; 201. a top cover; 202. a sieve tray; 203. a chassis; 204. a roller; 205. a pipeline; 206. a tray; 2061. screwing a support block; 207. a support; 2071. a limiting fastener; 208. an exhaust hole; 209. a handle; 210. a tapered protective cylinder; 3. a base; 4. rotating the base; 401. a base; 402. erecting a rod; 403. pressing the top cover; 404. fixing the bolt; 5. a rotating shaft; 6. a power plant; 7. a rigid water pipe; 701. a high pressure water gun; 7011. a stirring blade; 8. a water inlet device; 801. a water tank; 802. a water flow control valve; 803. a water pressure gauge; 804. a water stop valve; 805. a water inlet pipe; 9. a water storage device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to the attached drawings 1-8, a water sieve type dryer integrated device for particle analysis comprises a dryer 1, a screening device 2 arranged inside the dryer 1 and a base 3 arranged below the dryer 1, wherein a rotating base 4 is arranged below the inner part of the dryer 1, the screening device 2 is placed above the rotating base 4, a rotating shaft 5 is connected to the middle of the bottom surface of the rotating base 4, the rotating shaft 5 vertically penetrates through the bottom wall of the dryer 1 downwards to extend to the outside and is connected with a power device 6 arranged on the side edge of the base 3, and the power device 6 drives the rotating shaft 5 and drives the screening device 2 on the rotating base 4 to rotate; the screening device 2 comprises a top cover 201, a plurality of screen trays 202 and a base plate 203 which are sequentially arranged from top to bottom, the top cover 201 and the screen trays 202, two adjacent screen trays 202 and the base plate 203 are connected, overlapped and matched in a fastener mode, and a bolt and screw structure is not included, so that the mounting is convenient and reliable; a vertical rigid water pipe 7 is arranged in the middle of the screening device 2, the rigid water pipe 7 vertically penetrates through the top cover 201 and the plurality of screen trays 202 and is connected to the chassis 203, a plurality of groups of symmetrically distributed high-pressure water guns 701 are arranged on the outer wall of the rigid water pipe 7 at intervals from top to bottom, and nozzles of each group of high-pressure water guns 701 are inclined downwards to wash sample particles in the screening device 2; the upper part of the rigid water pipe 7 is connected to the water inlet device 8, the lower part of the rigid water pipe is drained into the water collecting tank 101 through a pipeline 205 arranged outside the chassis 203, and the water collecting tank 101 is drained to the water storage device 9 arranged outside through a water outlet pipe. The bottom walls of the water collecting tank 101 and the chassis 203 are both set to be inclined downwards by 2% of gradient along the drainage direction, so that the water body after being washed can smoothly flow out.

The sieve tray 202 and the bottom tray 203 each include a tray 206 with an open top end and an accommodating space, and a turnbuckle support block 2061 provided on the outer walls of the two sides of the top end of the tray 206; the two sides of the lower ends of the top cover 201 and the sieve trays 202 are respectively provided with a symmetrically distributed bracket 207, one side of each bracket 207 opposite to the other is provided with a limit fastener 2071 which is matched with the rotary fastening support block 2061 of the tray 206 in a circumferential rotary manner, and the top cover 201 and the sieve trays 202, the two adjacent sieve trays 202 and the chassis 203 are respectively connected with the limit fastener 2071 in a lap joint and matching manner through the rotary fastening support block 2061 to form a plurality of single sieve groups; the plurality of groups of high-pressure water guns 701 are uniformly distributed among the plurality of single screening groups; each group of high-pressure water guns 701 is provided with a flow switch to better control water flow.

Wherein, the top cover 201, the plurality of sieve trays 202 and the bottom plate 203 are all provided with rollers 204 at the middle part, the rigid water pipe 7 is a sectional water pipe, and is respectively and tightly sleeved in the rollers 204 at the middle part of the top cover 201, the plurality of sieve trays 202 and the bottom plate 203 and communicated with each other; each roller 204 is tightly held and fixed by a conical protection cylinder 210 arranged above the roller, and a sectional type water pipe is arranged in the middle of each conical protection cylinder 210 in a penetrating manner; and each sectional type water pipe is provided with symmetrically distributed stirring blades 7011 for stirring sample particles. Exhaust holes 208 are formed in the upper portion of the top cover 201 and the side face of the sieve tray 202; the side surfaces of the top cover 201 and the screen tray 202 are provided with handles 209 which are symmetrically distributed and convenient to lift. A screen mesh is embedded in the bottom end of each screen tray 202 and is used for fine particles washed by water flow to pass through; top cap 201 and sieve dish 202 bottom all are provided with waterproof rubber circle, increase the steadiness of being connected between top cap 201 and sieve dish 202, sieve dish 202 and the chassis 203.

Wherein, rotating base 4 includes base 401, pole setting 402 and coping 403, and base 401 bottom is connected with axis of rotation 5, and pole setting 402 is fixed in base 401 both sides, and screening plant 2 arranges in between two pole setting 402, and coping 403 passes two pole setting 402 tops simultaneously and fixes through fixing bolt 404, and then compresses tightly screening plant 2 fixedly, ensures the steadiness of screening plant 2 in the operation, guarantees going on smoothly of screening.

The water inlet device 8 comprises a water tank 801, a water flow control valve 802, a water pressure gauge 803, a water stop valve 804 and a water inlet pipe 805, the water tank 801 is connected with the rigid water pipe 7 through the water inlet pipe 805, and the water flow control valve 802, the water pressure gauge 803 and the water stop valve 804 are sequentially installed on the water inlet pipe 805 along the water flow direction, so that the water flow can be better controlled.

The top end of the dryer 1 is provided with a flat-open top cover 102, and an exhaust valve 103 is arranged on the flat-open top cover; a door 104 is hinged to one side of the front surface of the dryer 1.

The utility model discloses the theory of operation as follows:

s1, mounting a screening device:

opening a flat-open top cover 102, placing a base 3 on a rotating base 4, opening a flow switch of a high-pressure water gun 701, screwing a sieve tray 202 from a base plate 203 sequentially through matched fasteners, weighing naturally air-dried sample particles, pouring the sample particles into the sieve tray 202, screwing a top cover 201 on the upper part of the last sieve tray 202, tightly closing exhaust holes 208 at the top cover 201 and the side surface of the sieve tray 202, pressing the sieving device 2 by using a pressing top cover 403, connecting a water inlet device 8 with a rigid water pipe 7 pipe orifice on the sieving device 2, and connecting a water collecting tank 101 with a water storage device 9 to finish installation;

s2, water sieving:

opening a water stop valve 804 on the water inlet device 8, controlling the water flow rate, enabling the high-pressure water gun 701 to fully flush the placed sample particles, and starting the power device 6 at a rotating speed of 30 rad/min; when the content of the particles with the particle size of less than 0.075mm exceeds 10 percent of the total amount, the washing time is not suitable to be less than 1 hour; when the content of fine particles with the particle size of less than 0.075mm is less than 10% of the total mass, the washing time is not suitable to be less than 0.5 h;

s3, drying:

after the water screen is finished, the power device 6 and the water stop valve 804 are closed, and the connection between the water inlet device 8 and the rigid water pipe 7, the connection between the water storage device 9 and the water collecting tank 101 are detached; then opening exhaust holes 208 at the top cover 201 and the side surface of the sieve tray 202 in the sieving device 2, closing the side-hung top cover 102 and the box door 104 of the dryer 1, and finally starting the power supply of the dryer 1 to set the drying time and temperature, wherein the drying time is generally not less than 6 hours, and the drying temperature is 108 ℃;

s4, sampling:

after drying, closing the power supply of the dryer 1, opening the door 104 to cool to room temperature, opening the side-hung top cover 102 and taking out the top pressing cover 403, sequentially taking out the sieve tray 202 from top to bottom and weighing and recording particles in the sieve tray 202, slightly washing residual fine particles on the bottom tray 203 by using clean water when the bottom tray 203 is taken out, and closing the door 104 and the side-hung top cover 102 of the dryer 1;

s5, calculating:

the total weight of the naturally air-dried sample particles in the screening device 2 is M1, and the total weight of the remaining sample particles on the dried screen tray 202 is M2, so that the mass of the sample particles with the particle size of less than 0.075mm is screened out as M, and the calculation formula is as follows: M1-M2.

The utility model discloses in, through the mode of water sieve and stoving integration, reduced the healthy influence that the dust caused to the experimenter to screening plant adopts closed water sieve to erode the stoving, has alleviateed loaded down with trivial details work load for the experimenter, improves the degree of accuracy of screening process greatly, simultaneously, the utility model discloses well experimental apparatus easy operation, convenient to popularize and use.

The above only is the detailed implementation of the present invention, not limiting the scope of the present invention, all the equivalent structure changes 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 way in the protection scope of the present invention.

Claims

1. The utility model provides a water sieve formula drying-machine integrated device for particle analysis which characterized in that: the drying machine comprises a drying machine (1), a screening device (2) arranged inside the drying machine (1) and a base (3) arranged below the drying machine (1), wherein a rotating base (4) is arranged below the inside of the drying machine (1), the screening device (2) is placed above the rotating base (4), a rotating shaft (5) is connected to the middle of the bottom surface of the rotating base (4), the rotating shaft (5) vertically penetrates through the bottom wall of the drying machine (1) downwards to extend to the outside and is connected with a power device (6) arranged at the side edge of the base (3), and the power device (6) drives the rotating shaft (5) and drives the screening device (2) on the rotating base (4) to rotate; a vertical rigid water pipe (7) is arranged in the middle of the screening device (2), and a plurality of groups of symmetrically distributed high-pressure water guns (701) are arranged on the outer wall of the rigid water pipe (7) at intervals from top to bottom; the upper part of the rigid water pipe (7) is connected to the water inlet device (8), the lower part of the rigid water pipe guides water to the water collecting tank (101) arranged at the bottom of the dryer (1), and the water collecting tank (101) drains water to the water storage device (9) arranged outside.

2. The integrated water screen dryer apparatus for particle analysis of claim 1, wherein: the screening device (2) comprises a top cover (201), a plurality of screen discs (202) and a base disc (203), wherein the top cover (201), the plurality of screen discs (202) and the base disc (203) are sequentially arranged from top to bottom, and the top cover (201) is connected with the screen discs (202), two adjacent screen discs (202) are connected with each other and the screen discs (202) and the base disc (203) are in lap joint through fasteners; the rigid water pipe (7) vertically penetrates through the top cover (201) and the plurality of sieve trays (202) and is connected to the base plate (203), a pipeline (205) is arranged on the outer side of the base plate (203), and water in the sieving device (2) is discharged into the water collecting tank (101) through the pipeline (205).

3. The integrated water screen dryer apparatus for particle analysis of claim 2, wherein: the sieve tray (202) and the bottom tray (203) respectively comprise a tray (206) with an opening at the top end and an accommodating space, and a turnbuckle supporting block (2061) arranged on the outer walls of the two sides of the top end of the tray (206); both sides of the lower ends of the top cover (201) and the sieve trays (202) are provided with symmetrically distributed supports (207), one side of each support (207) opposite to the other side is provided with a limit fastener (2071) which is matched with the circumference of the upper screwing support block (2061) of the tray (206) in a screwing mode, and the top cover (201) is connected with the sieve trays (202), the two adjacent sieve trays (202) are connected with the chassis (203) in a lapping and matching mode through the screwing support block (2061) and the limit fastener (2071).

4. The integrated water screen dryer apparatus for particle analysis of claim 2, wherein: the middle parts of the top cover (201), the plurality of sieve trays (202) and the bottom plate (203) are all provided with rollers (204), the rigid water pipe (7) is a sectional water pipe, and the rigid water pipe is respectively tightly sleeved in the rollers (204) in the middle parts of the top cover (201), the plurality of sieve trays (202) and the bottom plate (203) and is communicated with each other; each roller (204) is tightly held and fixed through a conical protection cylinder (210) arranged above the roller, and a sectional type water pipe is arranged in the middle of each conical protection cylinder (210) in a penetrating manner; each sectional type water pipe is provided with symmetrically distributed stirring blades (7011).

5. The integrated water screen dryer apparatus for particle analysis of claim 2, wherein: exhaust holes (208) are formed in the upper portion of the top cover (201) and the side face of the screen disc (202); the side of top cap (201) and sieve tray (202) all is provided with handle (209) of being convenient for of symmetric distribution and taking.

6. The integrated water screen dryer apparatus for particle analysis of claim 1, wherein: rotating base (4) include base (401), pole setting (402) and top cap (403), and base (401) bottom is connected with axis of rotation (5), and pole setting (402) are fixed in base (401) both sides, and screening plant (2) are arranged in between two pole settings (402), and top cap (403) are pressed and are passed two pole setting (402) tops simultaneously and fixed through fixing bolt (404), and then compress tightly screening plant (2) fixedly.

7. The integrated water screen dryer apparatus for particle analysis of claim 1, wherein: the water inlet device (8) comprises a water tank (801), a water flow control valve (802), a water pressure meter (803), a water stop valve (804) and a water inlet pipe (805), the water tank (801) is connected with the rigid water pipe (7) through the water inlet pipe (805), and the water flow control valve (802), the water pressure meter (803) and the water stop valve (804) are sequentially arranged on the water inlet pipe (805) along the water flow direction.

8. The integrated water screen dryer apparatus for particle analysis of claim 1, wherein: the top end of the dryer (1) is provided with a flat-open top cover (102) on which an exhaust valve (103) is arranged; and a door (104) is hinged to one side of the front surface of the dryer (1).