Device for compression wash out of laboratory sample of wool

FIELD: mechanical engineering.

SUBSTANCE: device for compression wash out of laboratory sample of wool has bath for detergent, meshed cassette for wool t be treated provided with false bottom and compression unit for pressing mass of wool; cassette is disposed inside bath. Compression unit is provided with drive to bring it into reciprocal motion. Device is provided with perforated collector for compressed air, which collector is mounted in bath under false bottom of cassette where wool to be treated is pressed in detergent solution due to spring-loaded compression unit for provision of pressure within 10-120 kPa. Compression unit, made in form of movable piston with sliding clutch and its lock are mounted onto rod. Clutch and lock are connected with return spring and rest. Compression cinematically communicates with cock onto air duct, which duct provides supply of compressed air into cassette in position when piston is put up only. Relation of cross-section area of bath and meshed cassette has to be 1,4 and higher. Relation of height of liquid detergent in meshed cassette above false bottom and under it has to be 1,6 and higher. Meshed cassette with false bottom and piston of compression unit are made of perforated material having live section coefficient of 0,3 and higher.

EFFECT: reduced time for washing wool out; reduced consumption of water and detergent.

2 dwg

 

The invention relates to the wool industry, mainly for primary processing of wool, and can be used for washing the wool laboratory samples when determining the yield of pure fiber [1] in large-scale charcteristic farms and intermediary organizations.

From a technology known washing machine for washing wool laboratory samples containing a bath with washing liquid located in her pallet with a net at the bottom of it in order to trap the washed fiber when draining the waste liquid and the cleaning mechanism in the form of rubber wringer rolls with retractable groves [2]. Despite differences in design, the known machines have the same operating principle: unwashed wool laboratory samples after the locks are placed in a vessel with a washing liquid; on wool have a mechanical effect with the aim of intensive interaction with the scrubbing liquid, in which contamination of the wool is transferred into the cleaning solution and settle to the bottom of the tank or pass through the mesh of the pallet into the bath; after a certain time the wool is extracted from the liquid and carry out the next phase liquid processing or at the end of the fiber is transferred to the extraction and drying. The result of washing hair (wash and rinse) depends on the choice of structural elements working'or the ANOVA machine, providing the interaction intensity wool fibres and washer fluid. In known machines, the intensity of the interaction is provided by multiple transmission wool in the liquid between the rollers and the loosening of her after compression tolkovyi the turners, and the exchange of washing liquid between the pallet, in which the washed wool, and a bathtub as a container for washing liquid is carried out only through its bottom grid. Using known machines requires considerable water consumption per test sample (19 to 50 l), respectively, and the large consumption of detergents.

Known washing machine for wool laboratory samples taken from the bales cutting sampler [3, 4], containing the washing tub with mesh plate or a perforated plate adjacent to the wall to capture the washed fibers from the discharge of waste solutions, and washing the mixer or other mixing device. The disadvantages of the known devices, in addition to the above, also suolakivenkatu wool in the washing process, which affects the quality of the subsequent analysis.

A device for liquid treatment of fibrous material [5], containing a bath of processing liquid located inside the drum is fixed on its outer surface by modplugin is the R latches perforated tapes for the material, spring-loaded release shaft, and an agitator material in the form of the drive shaft with the protrusions on the surface, installed in the tub with the opportunity to interact with the tapes and the pressing roller, located in the bath with the possibility of moving to the drum surface in its radial direction. The known device is accepted as the closest technical solution to offer.

The disadvantages of this device are: the duration of the procedure of washing the wool lab samples, high consumption of water and detergents; ineffective squeezing the spring loaded shaft and the pressing roller due to compression of wool in the cassette to the density 80-110 kg/m3insufficient for such a method of leaching at the required density of about 200 kg/m3; underwater agitator does not provide open wool in the cassette to its original density of 50-60 kg/m3. In addition, external mechanical stresses on the soft tape with wool in a limited volume contributes to its solutionyou, resulting in lower quality washing [6].

The technical problem to be solved by the claimed invention, reduction of time washing the wool laboratory samples, reducing consumption of water and detergents, as well as improving the quality of leaching by reducing skolachivaniya wool fibers.

Technicalscientific of the invention, consisting in the elimination of these disadvantages, a device for compression of washing the wool laboratory samples containing a bath of washing liquid is placed in her mesh tape for the processing of wool with a false bottom and located within a compression unit for compressing the mass of wool, equipped with a drive of its reciprocating motion, is achieved by the fact that it is provided with a perforated manifold for compressed air, mounted in the tub under the false bottom of the cassette, in which the treated wool shrink in the washing solution by means of a spring-loaded compression unit with the possibility of a pressure in the range of 10÷20 kPa. While the compression unit, made as mounted on the shaft of the rolling piston with a sliding sleeve and a latch connected with a return spring and a stop, kinematically connected with the valve on the air supply, providing a compressed air into the cartridge only with the rise of the piston. In addition, the ratio of the cross-sectional area of the bath and mesh tape should be not less than 1.4, the ratio of the height of the level of washing liquid in mesh tape over the false bottom and under it should be not less than 1.6, and the mesh tape with a false bottom and the piston of the compression block is made of perforated material factor is iwago section not less than 0.3.

The combination of all the essential features that define the structure of the proposed device and being an integral part of it, allowing you to use it as a means for providing compression of washing the wool laboratory samples and to achieve the desired results in the solution of technological tasks of the invention.

Figure 1 shows a diagram of a device for compression of washing the wool laboratory samples; figure 2 - scheme of the kinematic connection of the unit to the duct.

Device for compression of washing the wool lab sample consists of bath 1, the bottom of which is equipped with a drain valve 2 for washer fluid 3, placed in her mesh tape 4 with a false bottom 5, the treated wool 6 and the compression unit, and mounted below the tape perforated collector 7 of compressed air connected to the air duct 8. The compression unit includes a rod 9, the movable piston 10, a sliding sleeve 11 with its latch 12, a return spring 13 and the stop 14. The compression unit is equipped with actuator 15 of its reciprocating movement and kinematically connected by means of the bar 16, the plunger 17, the arm 18 and roller 19 with the valve 20 of the duct 8 compressed air. Yoke 16 in the form of a "breaking" of the lever with the pivot 21 and the two return plate p. the dinners 22.

The main characteristics of the proposed device are:

- placed in the bath mesh tape with a false bottom and the wool is processed in the washing solution by repeated compression under pressure by means of a spring-loaded compression block located inside the cassette equipped with a drive of its reciprocating movement and kinematically associated with the valve on the air supply, providing a compressed air into the cartridge only with the rise of the piston. Otherwise, when compressed wool descending piston effect of sparging it with compressed air will not reach the expected result of the loosening of wool and its ascent;

- compression unit, made as mounted on the shaft of the rolling piston with a sliding sleeve and a retainer, the United recoil spring stop. Such design of the unit allows you to provide pressure on the wool in the washing liquid within a 10÷20 kPa, necessary and sufficient for washing wool fibres according to their physical properties (different groups fineness and quality;

- perforated manifold for compressed air, mounted in the tub under the false bottom of the cartridge connected to the duct and intended for distribution of compressed air under a layer compressed in the liquid mass cher the tee for loosening and ensure rapid ascent time, comparable to the rise time of the piston;

- the ratio of the cross-sectional area of the bath and mesh tape should be not less than 1.4, which will allow rinse samples optimally to ensure interaction wool washing liquid and to reduce foaming in the gap between the cassette and bath;

- the ratio of the height of the level of washing liquid in mesh tape over the false bottom and under it should be at least 1.6 for exception return washed suspended contaminants back into the mass of wool in submission to it of compressed air;

- mesh tape with a false bottom and the piston of the compression block is made of perforated material with a coefficient living section not less than 0.3. This implementation of the elements of perforated material which provides sufficient rigidity when the device with the possibility of unimpeded passage of washing liquid through the perforation.

Device for compression of washing the wool laboratory test works as follows.

Laboratory sample 6 greasy wool weight 200 g [1] is placed in mesh tape 4 with the compression unit, arranged in the tub 1 with a closed discharge valve 2, which is then filled to a certain level the washing liquid 3. When the piston 10 of the compression unit is set to its extreme upper position. Including the Ute flow in the duct 8 compressed air and close the valve 20 (the "Closed"position), turning down the handle 18. Include the actuator 15 of the reciprocating movement of the compression block. When moving a block down the piston 10 compresses coat 6 in the liquid. In the compression process is intensive separation of impurities from the fiber samples 6 and translate them in the washer fluid 3 from the cassette 4 - zone of active influence on the wool through the perforated false bottom 5, the wall of the cassette 4 and the piston 10 impurities pass into the tub 1. When the latch 12 is set at the block providing a pressure in the range of 10÷20 kPa depending on the group fineness processed wool 6. In case of excess pressure more than the prescribed fires the ball retainer 12 and uncouples the clutch 11 with the rod 9 of the compression block. The piston 10 with the clutch stop 11 and the shaft 9 continues to move, squeezing through the fence 14 return spring 13. When the movement of the compression block down the plunger 17 of the bar 16 meets with the roller 19 of the arm 18 of the valve 20 and, as the handle 18 is in the lowest position, the pusher 17 is unbent upward bending of the upper leaf spring 22, and is held with the head plate 16 down. At this point, the upper plate spring 22 returns down the plunger 17 in alignment with the transverse beam 16. When moving a block up the spring 13 returns the piston 10 with the coupling 11 to the original position and the ball retainer 12 is ustanavlivaetsya in the hollow shaft 9 under the action of the spring 13, locking piston 10. Simultaneously with the movement of the block up the plunger 17, facing the roller 19 of the arm 18 of the crane 20, turns the handle 18 in the Open position due to the fact that the stiffness of the springs is greater than the resistance arm. When this compressed air flows through the duct 8 into the reservoir 7. Air bubbles intensively loosen the hair and ensure its rapid ascent, while helping to further separation of dirt from the wool fibers. Upon further lifting rod 9 compression block plunger 17 passes the roller 19 of the arm 18, which is in the extreme upper position under the action of the lower spring 22 is mounted in alignment with the transverse beam 16. In the next moment the compression drive unit 15 is lowered down, and the plunger 17, facing the roller 19 of the arm 18 of the crane 20, turns the handle 18 at the lower end position "Closed" and, continuing the downward movement, is mounted in alignment with the transverse beam 16. The compressed air in the cartridge 4 is stopped, and the compression of wool 6 in the liquid descending piston 10 continues, i.e. continues its processing. After a given number of cycles of lowering and lifting of the piston 10 when washing wool actuator 15 is switched off, open the drain valve 2 baths 1 and putting it back out the washing liquid 3. Then the bath 1 is filled to the same level of water for rinsing, start replying is 15 and repeat the cycle of compression and bubbling wool. After rinsing wool waste water is drained, opening the drain valve 2 on the bottom of the bath 1 and the actuator 15 with compression block raise in position, when the piston 10 is withdrawn from the cassette 4. After washing wool 6 is pulled out of the cassette 4, wring out and transfer to the drying section in accordance with the technology of washing samples. The drain valve 2 open and rinse the tub 1 and the cassette 4 for washing the wool of the next sample.

Experimental studies conducted on laboratory model for the development of the claimed device for compression of washing the wool laboratory samples in comparison with known devices, showed the possibility of increasing productivity and efficiency washing the wool laboratory samples while reducing the consumption of water, detergents.

The proposed device while maintaining the quality of the wool fiber can improve the performance of washing the wool laboratory samples by different methods, 2-6 times, to reduce the consumption of water 1.5-4.0 times, detergents 1.2-3.0 times, to exclude salesnote wool after washing.

Sources of information

1. GOST 30190-2000. Hair unwashed. Methods for the determination of the yield of pure fiber Inter-state standard. - An introd. first 01.09.2000. - Minsk: the interstate Council for standardization, Metrology and certification, 2001. - 12 S.

. Determination of the quality of unwashed wool and output fiber cleaner: a Methodological guide. - M.: V.O. "Agropromizdat", 1989. - P.17-23.

3. IWTO-19-85 (E). Determination of Wool Base and Vegetable Matter Base of Core Samples of Raw Wool (Original version).

4. Specification of Wool Testing Equipment for Establishment of Wool Testing Laboratory within the Union of Soviet Socialist Republics: Australian Wool Testing Authority (AWTA). - Australia, 1977 - p.5, Appendix 1.

5. A.S. 861409 RF, MKI5D01 3/04. - Publ. 07.09.81, bull. No. 33.

6. Luvisis, L.A. Technical control in primary processing and spinning of wool / Lahovice, Ehibition. - M: Light industry, 1969. - P.142.

Device for compression of washing the wool laboratory samples containing a bath of washing liquid is placed in her mesh tape for the processing of wool with a false bottom and located within a compression unit for compressing the mass of wool, equipped with a drive of its reciprocating motion, characterized in that it is provided with a perforated manifold for compressed air, mounted in the tub under the false bottom of the cassette, in which the treated wool shrink in the washing solution by means of a spring-loaded compression unit with the possibility of a pressure in the range of 10÷20 kPa, while the compression unit, made as mounted on the rod rolling piston with a sliding sleeve and a latch connected with the return spring is a focus, kinematically connected with the valve on the air supply, providing a compressed air into the cartridge only with the rise of the piston, and the ratio of the cross-sectional area of the bath and mesh tape should be not less than 1.4, the ratio of the height of the level of washing liquid in mesh tape over the false bottom and under it should be not less than 1.6, and the mesh tape with a false bottom and the piston of the compression block is made of perforated material with a coefficient living section not less than 0.3.



 

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