CN210187629U - Water cyclic utilization washing device - Google Patents

Abstract

The utility model relates to a water cyclic utilization washing unit, it includes wash bowl, a plurality of rotates the carry over pinch rolls of connecting in the wash bowl and is used for rolling the roll unit of dry shellfish, the wash bowl has arranged a plurality ofly along the pay-off direction in order, be provided with spray assembly on the wash bowl, spray assembly arrange in the carry over pinch rolls with between the roll unit, be used for next aqueous solution in the wash bowl spray to the carry over pinch rolls with on the shellfish between the roll unit. The utility model discloses a spray assembly realizes reverse transport water solution, and shellfish is through continuous process washing and rolling futilely, and the DMF concentration that contains in the shellfish concentration and the wash bowl contained DMF concentration reduce in step, is favorable to improving shellfish's washing efficiency and washing effect.

Description

Water cyclic utilization washing device

Technical Field

The utility model belongs to the technical field of the technique of leather processing equipment and specifically relates to a water cyclic utilization washing device is related to.

Background

The processing of the synthetic leather mainly comprises three parts, wherein in the first step, PU resin slurry is prepared into bass by adopting a wet production process; the second step is dry transfer veneering, namely, the leather membrane fabric and the base fabric are laminated by a release paper method to prepare the PU synthetic leather; the third step is post-treatment, and the appearance and physical properties of the product are changed through the processes of printing, sanding, embossing, graining, spraying and the like. Wherein, the first step wet process production line generally comprises the processes of sizing, solidifying, water washing, drying and the like.

In the existing water washing process, polyurethane solidification is completed in a solidification tank with a certain DMF concentration, DMF of a solvent in slurry is basically completed and water is replaced, the formed bass needs to be cleaned by the water washing process, and the traditional water washing tank has the defects of low water washing efficiency and limited water washing effect, so that a water washing tank with high water washing efficiency is urgently needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a water cyclic utilization washing device that is favorable to improving washing efficiency to the aforesaid that exists is not enough among the prior art.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a water cyclic utilization washing unit, includes wash bowl, a plurality of rotates the carry over pinch rolls of connecting in the wash bowl and is used for rolling the roll assembly of dry shellfish, the wash bowl has arranged a plurality ofly in order along the pay-off direction, be provided with spray assembly on the wash bowl, spray assembly arrange in the carry over pinch rolls with between the roll assembly, be used for next aqueous solution in the wash bowl spray extremely the carry over pinch rolls with on the shellfish between the roll assembly.

By adopting the technical scheme, the movement direction of the spray water is opposite to the feeding direction of the bass, so that the concentration of DMF in the rinsing bath is gradually reduced along the feeding direction; when the synthetic leather bass enters a water washing tank, soaking the synthetic leather bass in the water washing tank with higher DMF concentration through a traction roller, spraying the aqueous solution with lower DMF concentration through a spraying assembly, and finally rolling the DMF aqueous solution in the bass through a roll assembly to dry so as to finish the water washing operation of the bass for one time; meanwhile, clear water is continuously injected from the last rinsing bath to keep the concentration of DMF in the last rinsing bath to be the lowest, and the clear water is continuously injected into the last rinsing bath through the spraying assembly to finish the circulating injection process of the clear water, so that the aim of cleaning Bass is fulfilled, and meanwhile, the water in the rinsing baths can be recycled, and the advantages of energy conservation, environmental protection and cost reduction are achieved; in the process, the bass is continuously washed and rolled to be dry, the concentration of DMF contained in the bass and the concentration of DMF contained in the washing tank are synchronously reduced, and the method is favorable for improving the washing efficiency and the washing effect of the bass.

The utility model discloses further set up to: the spraying assembly comprises a spraying pipe with a plurality of spraying openings and a water pump; the spray pipe is arranged on the rinsing bath in an installation orientation that the spray opening of the spray pipe can face between the traction roller and the roll assembly; and the water inlet of the water pump is communicated with the inside of the next rinsing bath, and the water outlet of the water pump is communicated with the water inlet of the spraying pipe.

By adopting the technical scheme, in the actual use process, the water pump is used for pumping the water solution in the downstream rinsing bath, and the water solution is sprayed to the bass between the traction roller and the roll assembly through the spraying port, so that the operation is simple, easy and quick.

The utility model discloses further set up to: the inner diameter of the spraying opening is reduced along the axial direction and then increased.

Through adopting above-mentioned technical scheme, will spray the mouth and set up to the hourglass form that the convergent gradually expands, water when entering from spraying the mouth, owing to spray a mouthful diameter and diminish gradually, the velocity of flow of water accelerates, and when water moved to the minimum department of internal diameter, owing to spray a mouthful diameter grow gradually, water flow range enlarges gradually, when water flows out from spraying the mouth, its velocity of flow is all great with diffusion zone, can carry out the washing to shellfish better.

The utility model discloses further set up to: the water washing tanks are sequentially configured into a sewage tank, a plurality of solution tanks and a clean water tank along the feeding direction, the clean water tank is provided with a water inlet, the sewage tank is provided with a water outlet, and the spraying assembly is arranged on the solution tanks and the sewage tank.

By adopting the technical scheme, clear water is introduced into the clear water tank through the water inlet, and sewage in the sewage tank is discharged into the water solidification tank of the previous procedure through the water outlet, so that the purpose of discharging DMF (dimethyl formamide) -containing water in each water washing tank is achieved.

The utility model discloses further set up to: the roll assembly comprises a support frame arranged on the rinsing bath, a first roller rotationally connected to the support frame, and a second roller arranged on the support frame and capable of sliding along the support frame close to or far away from the first roller, wherein a gap for allowing bass to pass through is reserved between the first roller and the second roller.

Through adopting above-mentioned technical scheme, shellfish can extrude the moisture that contains DMF in shellfish after first roll and second roll behind the wash bowl to through subsequent washing, contain minimum DMF in shellfish, reach the requirement of environmental protection.

To sum up, the utility model discloses a beneficial technological effect does: the spraying assembly is used for realizing reverse conveying of the water solution, the bass is continuously washed and rolled to be dry, the concentration of DMF (dimethyl formamide) contained in the bass and the concentration of DMF contained in the washing tank are synchronously reduced, and the improvement of the washing efficiency and the washing effect of the bass is facilitated.

Drawings

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

Fig. 2 is a schematic view showing the connection between the roll assembly and the rinsing bath according to the present invention.

Fig. 3 is a schematic view of the connection between the shower assembly and the rinsing bath according to the present invention.

Fig. 4 is a schematic sectional structural view of the shower pipe of the present invention.

In the figure, 1, a rinsing bath; 2. a traction roller; 3. a roll assembly; 31. a support frame; 32. a first roll; 33. a second roll; 34. a cylinder; 4. a sewage tank; 41. a water outlet; 5. a solution tank; 6. a clear water tank; 61. a water inlet; 7. a spray assembly; 71. a spray port; 72. a shower pipe; 73. and (4) a water pump.

Detailed Description

In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:

referring to fig. 1, for the utility model discloses a water cyclic utilization washing device, including fifteen wash bowl 1 of arranging in order along the pay-off direction, every wash bowl 1 has set gradually along the pay-off direction a plurality of rotations and has connected in wash bowl 1's inner wall and be about staggered arrangement carry over pinch rolls 2, set up the roll unit 3 that is used for rolling dry shellfish on wash bowl 1. Fifteen rinsing baths 1 are sequentially configured into a sewage tank 4, thirteen solution tanks 5 and a clear water tank 6 along the feeding direction; the clean water tank 6 is provided with a water inlet 61, the solution tank 5 and the sewage tank 4 are both provided with a spray assembly 7 on the bass for spraying the aqueous solution in the next rinsing tank 1 to the space between the traction roller 2 and the roll assembly 3, and the sewage tank 4 is provided with a water outlet 41.

Referring to fig. 2, the roll assembly 3 includes a support frame 31 disposed on the rinsing bath 1, a first roll 32 rotatably connected to the support frame 31, and a second roll 33 and a cylinder 34 disposed on the support frame 31, a gap for passing bass is reserved between the first roll 32 and the second roll 33, and a piston rod of the cylinder 34 is vertically fixed downward on the second roll 33, so that the second roll 33 can slide along the support frame 31 to approach or separate from the first roll 32. The shellfish can extrude DMF water in shellfish after passing through the water washing tank 1, the first roller 32 and the second roller 33, and the shellfish can contain the minimum amount of DMF after being washed by water.

Referring to fig. 3, the spray assembly 7 includes a spray pipe 72 with a plurality of spray ports 71, a water pump 73. The shower pipe 72 is attached to the washing tub 1 in such an orientation that the shower port 71 can be oriented toward the installation position of the pulling roll 2. The water inlet of the water pump 73 is communicated with the inside of the next solution tank 5 or the clean water tank 6 through a pipeline, and the water outlet of the water pump 73 is communicated with the water inlet of the spray pipe 72 through a pipeline. In actual use, the water solution in the solution tank 5 or the clean water tank 6 is pumped by the water pump 73 and sprayed to the bass between the pulling roll 2 and the roll assembly 3 through the spraying ports 71.

Referring to fig. 4, the inner diameter of the shower port 71 is first reduced and then increased in the axial direction. The spraying opening 71 is arranged to be in a gradually-tapered and gradually-expanded hourglass shape, when water enters from the spraying opening 71, the diameter of the spraying opening 71 is gradually reduced, the flow rate of the water is accelerated, when the water moves to the position with the minimum inner diameter, the diameter of the spraying opening 71 is gradually increased, the flowing range of the water is gradually enlarged, and when the water flows out from the spraying opening 71, the flow rate and the diffusion area of the water are large, so that the bass can be better washed.

The implementation principle of the embodiment is as follows: the clear water is continuously injected from the water inlet 61 to keep the concentration of DMF in the clear water tank 6 to the minimum, and the clear water is continuously injected into the previous solution tank 5 through the spraying assembly 7. When the synthetic leather bass enters the water washing tank 1, the synthetic leather bass is soaked in the water washing tank 1 with high DMF concentration through the traction roller 2, then the water solution with low DMF concentration is sprayed through the spraying assembly 7, and finally the DMF water solution in the bass is rolled and dried through the roll assembly 3, so that the primary washing operation of the bass is completed. Finally, the sewage in the sewage tank 4 is discharged into the water coagulation tank of the previous step through the water discharge port 41.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (5)

1. The utility model provides a water cyclic utilization washing unit, includes wash bowl (1), a plurality of rotates pull roll (2) of connecting in wash bowl (1) and is used for rolling dry shellfish's roll assembly (3), its characterized in that: the rinsing bath (1) has arranged a plurality ofly along the pay-off direction in order, be provided with spray assembly (7) on rinsing bath (1), spray assembly (7) arrange in carry over pinch rolls (2) with between roll subassembly (3), be used for with next aqueous solution in rinsing bath (1) spray to carry over pinch rolls (2) with on the shellfish between roll subassembly (3).

2. The water-recycling water washing device as claimed in claim 1, wherein: the spray assembly (7) comprises a spray pipe (72) with a plurality of spray openings (71) and a water pump (73); the spray pipe (72) is mounted on the rinsing bath (1) in such an orientation that its spray opening (71) can be oriented towards the installation between the pulling roll (2) and the roll assembly (3); the water inlet of the water pump (73) is communicated with the interior of the next rinsing bath (1), and the water outlet of the water pump (73) is communicated with the water inlet of the spraying pipe (72).

3. The water-recycling water-washing device as claimed in claim 2, wherein: the inner diameter of the spraying opening (71) is reduced and then increased along the axial direction.

4. A water-recycling water-washing apparatus as claimed in claim 1 or 2, wherein: a plurality of wash bowl (1) is configured into sewage groove (4), a plurality of solution tank (5), clear water groove (6) along the pay-off direction in proper order, water inlet (61) have been seted up on clear water groove (6), outlet (41) have been seted up on sewage groove (4), spray assembly (7) arrange in solution groove (5) with on sewage groove (4).

5. A water-recycling water-washing apparatus as claimed in claim 1 or 2, wherein: the roll assembly (3) comprises a support frame (31) arranged on the rinsing bath (1), a first roll (32) rotationally connected to the support frame (31), and a second roll (33) arranged on the support frame (31) and capable of being along the support frame (31) to be close to or far away from the first roll (32) in a sliding mode, wherein a gap for passing through Bass is reserved between the first roll (32) and the second roll (33).

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