CN217237411U

CN217237411U - Elutriation device for mud content of dry-mixed mortar aggregate

Info

Publication number: CN217237411U
Application number: CN202220361837.9U
Authority: CN
Inventors: 寿红娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-08-19
Anticipated expiration: 2032-02-23

Abstract

The utility model relates to an elutriation device for dry-mixed mortar aggregate mud content, including the agitator, the agitator on be provided with the bung, be provided with (mixing) shaft and water pipe on agitator and the bung, the bottom of (mixing) shaft is provided with the puddler, is provided with the transparent window on the agitator, is provided with the scale layer on the transparent window, the cover is equipped with experimental mesa on the agitator, is provided with gravity sensor between experimental mesa and the agitator, is provided with the inlet pipe on the bung. The liquid level height of water added into the stirring barrel by the fast reading tube pass each time is facilitated; the utility model discloses adjust, convenient to use, have extensive market prospect.

Description

Elutriation device for mud content of dry-mixed mortar aggregate

Technical Field

The utility model relates to a detection area, concretely relates to elutriation device for dry-mixed mortar aggregate mud content.

Background

The influence of the mud content of the aggregate on the performance of the concrete is very obvious, the national standard has strict technical requirements on the concrete, and the mud content of the concrete directly influences the strength, durability and the like of the concrete, so that the detection of the mud content of the aggregate is very important basic detection.

In the existing detection of the content of the sludge in the aggregate, the detection is performed through manual operation of detection personnel, the manual detection can meet certain detection requirements, but the detection has great defects, particularly, as described in the content of national standards, the liquid level for elutriation added each time is about 150mm higher than the sample level and needs to be repeated for many times, and the equipment in the prior art is difficult to effectively and quickly observe, so that the time and the labor are consumed when the liquid level is frequently determined in the process of determining the content of the sludge.

Disclosure of Invention

Not enough to prior art, the utility model provides a can be convenient for quick observation add the liquid level of elutriating water and the elutriation device for dry-mixed mortar aggregate mud content of sample face difference in height for overcome defect among the prior art.

The utility model discloses a technical scheme do: the utility model provides an elutriation device for dry-mixed mortar aggregate mud content, includes the agitator, the agitator on be provided with the bung, be provided with (mixing) shaft and water pipe on agitator and the bung, the bottom of (mixing) shaft is provided with the puddler, is provided with the transparent window on the agitator, is provided with the scale layer on the transparent window, the cover is equipped with experimental mesa on the agitator, is provided with gravity sensor between experimental mesa and the agitator, is provided with the inlet pipe on the bung.

Preferably, a driving box is arranged on the water pipe above the barrel cover, a rack is fixedly arranged on the water pipe, a gear is arranged in the driving box and meshed with the rack, and a clamping wheel is arranged in an inner cavity of the driving box on one side, far away from the rack, of the water pipe and is movably connected with the water pipe.

Preferably, the water pipe adopt a blind tubular structure with a sealed bottom, through holes are arranged above the bottom end of the water pipe, and the number of the through holes is a plurality.

Preferably, the top of inlet pipe be provided with the feeder hopper, the inlet pipe has set gradually butterfly valve and lower glassware along the direction of feeder hopper to bung, the drive connection has the unloading motor on the lower glassware.

Preferably, the lower surface of the test table top is provided with a supporting leg, the bottom end of the supporting leg adopts a round platform-shaped structure or a prismatic table-shaped structure, and the bottom surface of the supporting leg is provided with a rubber pad.

Preferably, a drain pipe is arranged at the bottom end of the stirring barrel, and a drain valve is arranged on the drain pipe.

Preferably, the opening end of the water pipe is provided with a first conveying pipe, the first conveying pipe is sequentially provided with a first stop valve, a water pump and a second stop valve along the direction from the position close to the water pipe to the position far away from the water pipe, the first conveying pipe between the first stop valve and the water pipe and the first conveying pipe between the water pump and the second stop valve are communicated through the second conveying pipe, the second conveying pipe is provided with a third stop valve, the first conveying pipe between the first stop valve and the water pump is provided with a third conveying pipe, and the third conveying pipe is provided with a fourth stop valve.

The utility model has the advantages that: at first, the utility model discloses make things convenient for the liquid level height that the fast reading tube side added water to the agitator at every turn, also be convenient for simultaneously observe the turbidity of upper strata liquid phase after stirring at every turn, the survey of the aggregate mud content of the dry-mixed mortar of being convenient for.

Secondly, the utility model discloses the supporting leg adopts round bar shape or square bar column structure, and the corresponding adoption in bottom of supporting leg adopts round platform column structure or prismoid column structure, and then has improved the area of contact of supporting leg bottom and bottom surface and has improved the support stability.

Thirdly, the water pipe adopt the blind tubular structure that the bottom sealed, water pipe bottom top is provided with the through-hole, the quantity of through-hole adopts a plurality of, a plurality of through-hole is located the coplanar. The water layer on the upper layer of the elutriated sample is conveniently sucked, the bottom end of the product adopts a blind tubular structure with a sealing structure, the water layer is sucked into the inner cavity of the water pipe from the through hole above the sealing end of the water pipe, and the suction direction is changed, so that the technical problem that sand and stone are sucked into the water pipe by mistake in the process of extracting the water layer on the upper layer of the elutriated sample is solved.

The utility model has the advantages of simple structure, convenient operation, design benefit has improved work efficiency greatly, has fine social and economic benefits, is the product of easily using widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged schematic view of detail a of fig. 1.

Fig. 3 is a partially enlarged view of detail B of fig. 1.

Fig. 4 is a schematic view of the cross-sectional structure of the clamping wheel of the present invention.

Detailed Description

As shown in fig. 1 to 4, the elutriation device for the mud content of the dry-mixed mortar aggregate comprises a stirring barrel 1, wherein a barrel cover 2 is arranged on the stirring barrel 1, a stirring shaft 3 and a water pipe 4 are arranged on the stirring barrel 1 and the barrel cover 2, stirring rods 32 are arranged at the bottom of the stirring shaft 3, the number of the stirring rods 32 is a plurality, and the stirring rods 32 are fixedly distributed on the outer side of the stirring shaft 3 in a star shape. A transparent window 5 is arranged on the stirring barrel 1, a scale layer 6 is arranged on the transparent window 5, and the scale layer 6 extends along the direction from the bottom end of the stirring barrel 1 to the top end of the stirring barrel 1; a test table board 7 is sleeved on the stirring barrel 1, a gravity sensor 8 is arranged between the test table board 7 and the stirring barrel 1, and a feeding pipe 9 is arranged on the barrel cover 2. The test table surface 7 below be provided with supporting leg 19, supporting leg 19 adopts round bar shape or square bar column structure, the corresponding adoption in bottom of supporting leg 19 adopts round platform column structure or terrace with edge column structure, and then has improved the area of contact of supporting leg 19 bottom and bottom surface and has improved support stability, be provided with rubber pad 20 on the bottom surface of supporting leg 19. The bottom end of the stirring barrel 1 is provided with a sewage discharge pipe 21, and the sewage discharge pipe 21 is provided with a sewage discharge valve 22. The barrel cover 2 is provided with a driving motor 31, the output end of the driving motor 31 is in transmission connection with the top end of the stirring shaft 3, and the bottom of the stirring barrel 1 is hopper-shaped.

The water pipe 4 above the barrel cover 2 is provided with a driving box 10, the water pipe 4 is fixedly provided with a rack 11, the rack 11 and the water pipe 4 are movably sleeved on the barrel cover 2, a gear 12 is arranged in the driving box 10, the gear 12 is meshed with the rack 11, a clamping wheel 13 is arranged in an inner cavity of the driving box 10, far away from one side of the rack 11, of the water pipe 4, and the clamping wheel 13 is movably connected with the water pipe 4. The last drive shaft that is provided with of centre gripping wheel 13, the cross-section of centre gripping wheel 13 lateral surface adopts the arc structure, the drive box 10 outside the drive shaft transmission connect have driving motor's output, be provided with the fixed axle on the gear 12, gear 12 with the fixed axle between be provided with the bearing, centre gripping wheel 13 the quantity adopt two, the axis of gear 12 is located two centre gripping wheel 13's plane of symmetry. The clamping wheel 13, the gear 12 and the rack 11 are arranged to drive the water pipe 4 to move up and down along the central axis of the water pipe 4; the water pipe 4 adopt a blind tubular structure with a sealed bottom, through holes 14 are arranged above the bottom end of the water pipe 4, the number of the through holes 14 is a plurality, and the through holes 14 are located on the same plane. The water layer on the upper layer of the elutriated sample is conveniently sucked, the bottom end of the product adopts a blind tubular structure with a sealing structure, the water layer is sucked into the inner cavity of the water pipe 4 from the through hole 14 above the sealing end of the water pipe 4, and the suction direction is changed, so that the technical problem that sand and stone are sucked into the water pipe 4 by mistake in the process of sucking the water layer on the upper layer of the elutriated sample is solved. The water pipe 4 is positioned between the transparent window 5 and the stirring shaft 3.

The top of inlet pipe 9 be provided with feeder hopper 15, inlet pipe 9 has set gradually butterfly valve 16 and lower glassware 17 along feeder hopper 15 to bung 2 direction, the transmission is connected with unloading motor 18 on lower glassware 17. The product is provided with the blanking device 17, so that the speed of adding the tested sample into the stirring barrel 1 can be controlled conveniently.

The opening end of the water pipe 4 is provided with a first conveying pipe 23, the first conveying pipe 23 is sequentially provided with a first stop valve 24, a water pump 25 and a second stop valve 26 along the direction from the position close to the water pipe 4 to the position far away from the water pipe 4, the first conveying pipe 23 between the first stop valve 24 and the water pipe 4 and the first conveying pipe 23 between the water pump 25 and the second stop valve 26 are communicated through a second conveying pipe 27, the second conveying pipe 27 is provided with a third stop valve 28, the first conveying pipe 23 between the first stop valve 24 and the water pump 25 is provided with a third conveying pipe 29, and the third conveying pipe 29 is provided with a fourth stop valve 30.

The use method of the product is as follows: as shown in fig. 1 to 4, firstly, a sample to be measured is gradually added into an inner cavity of a feed hopper 15, when data fed back by a gravity sensor 8 reaches a preset weight, a butterfly valve 16 and a blanking motor 18 are sequentially opened, and the sample to be measured enters the inner cavity of a stirring barrel 1 through a feed pipe 9; then, the driving motor 31 is turned on, and at the moment, the driving motor 31 drives the stirring shaft 3 to rotate and drives the stirring rod 32 to make the sample to be measured entering the inner cavity of the stirring barrel 1 spread; then, the outer side end of the first delivery pipe 23 is connected to an external water source, the first stop valve 24, the water pump 25 and the second stop valve 26 are opened, at the moment, water is gradually added into the inner cavity of the stirring barrel 1 through the first delivery pipe 23, the water pipe 4 and the through hole 14 in sequence, and the first stop valve 24, the water pump 25 and the second stop valve 26 are arranged after the water level reaches the preset liquid level height; then, the driving motor 31 is turned on again to drive the stirring rod 32 to rotate so as to drive the sample to be measured in the inner cavity of the stirring barrel 1 to be fully mixed with water, and the sample is timed and kept stand after being mixed; when the standing time is up, the driving gear 12 rotates, the gear 12 drives the rack 11 to move so as to drive the water pipe 4 to descend below the liquid level, the water pump 25, the third stop valve 28 and the fourth stop valve 30 are opened, the muddy water above the through hole 14 is discharged through the tail end of the second conveying pipe 27, the muddy water discharged from the tail end of the second conveying pipe 27 is discharged after being screened by a group of screens, the oversize material is discharged from the liquid phase part and is reserved, the driving gear 12 keeps the height of the through hole 14 continuously reduced along with the descending of the muddy water liquid level until the upper liquid level of the tested sample is emptied, and water is repeatedly added for many times until the turbidity of the upper liquid level of the tested sample meets the national standard requirement; then, opening a blow-off valve 22, and after the tested sample discharged from the tail end of the blow-off pipe 21 is screened by another group of screens, discharging oversize materials from a liquid phase part for retention; and finally, combining oversize materials on the two groups of screens, sending the combined oversize materials into an oven for drying, measuring the weight, comparing the weight with the weight data of the measured sample fed back by the gravity sensor 8 at the feed hopper 15, and dividing the weight data fed back by the gravity sensor 8 by the reduction amount to obtain the mud content.

Through this embodiment, made things convenient for the liquid level height that the fast reading tube side added water to agitator 1 at every turn, also be convenient for simultaneously observe the turbidity of upper liquid phase after stirring at every turn, the survey of the aggregate mud content of dry-mixed mortar of being convenient for.

The utility model discloses a satisfy in the elutriation device that is used for dry-mixed mortar aggregate mud content that detection field worker needs, make the utility model discloses extensive market prospect has.

Claims

1. The utility model provides a elutriation device for dry-mixed mortar aggregate mud content which characterized in that: including agitator (1), agitator (1) on be provided with bung (2), be provided with (mixing) shaft (3) and water pipe (4) on agitator (1) and bung (2), the bottom of (mixing) shaft (3) is provided with puddler (32), is provided with transparent window (5) on agitator (1), is provided with scale layer (6) on transparent window (5), the cover is equipped with experimental mesa (7) on agitator (1), be provided with gravity sensor (8) between experimental mesa (7) and agitator (1), be provided with inlet pipe (9) on bung (2).

2. The elutriation device for the mud content of dry-mixed mortar aggregate according to claim 1, characterized in that: a driving box (10) is arranged on the water pipe (4) above the barrel cover (2), a rack (11) is fixedly arranged on the water pipe (4), a gear (12) is arranged in the driving box (10), the gear (12) is meshed with the rack (11), a clamping wheel (13) is arranged in an inner cavity of the driving box (10) on one side, far away from the rack (11), of the water pipe (4), and the clamping wheel (13) is movably connected with the water pipe (4).

3. The elutriation device for the sludge content of the aggregate of the dry-mixed mortar according to claim 1, characterized in that: the water pipe (4) adopts a blind pipe-shaped structure with a sealed bottom, through holes (14) are arranged above the bottom end of the water pipe (4), and the number of the through holes (14) is a plurality.

4. The elutriation device for the mud content of dry-mixed mortar aggregate according to claim 1, characterized in that: the top of inlet pipe (9) be provided with feeder hopper (15), inlet pipe (9) have set gradually butterfly valve (16) and lower glassware (17) along feeder hopper (15) to the direction of bung (2), the transmission is connected with unloading motor (18) on lower glassware (17).

5. The elutriation device for the mud content of dry-mixed mortar aggregate according to claim 1, characterized in that: supporting legs (19) are arranged below the test table top (7), the bottom ends of the supporting legs (19) are of a circular truncated cone-shaped structure or a prismatic table-shaped structure, and rubber pads (20) are arranged on the bottom surfaces of the supporting legs (19).

6. The elutriation device for the mud content of dry-mixed mortar aggregate according to claim 1, characterized in that: the bottom end of the stirring barrel (1) is provided with a drain pipe (21), and the drain pipe (21) is provided with a drain valve (22).

7. The elutriation device for the mud content of dry-mixed mortar aggregate according to claim 3, characterized in that: the water pump is characterized in that a first conveying pipe (23) is arranged at the opening end of the water pipe (4), a first stop valve (24), a water pump (25) and a second stop valve (26) are sequentially arranged on the first conveying pipe (23) along the direction from being close to the water pipe (4) to being far away from the water pipe (4), the first conveying pipe (23) between the first stop valve (24) and the water pipe (4) is communicated with the first conveying pipe (23) between the water pump (25) and the second stop valve (26) through a second conveying pipe (27), a third stop valve (28) is arranged on the second conveying pipe (27), a third conveying pipe (29) is arranged on the first conveying pipe (23) between the first stop valve (24) and the water pump (25), and a fourth stop valve (30) is arranged on the third conveying pipe (29).