CN211199897U - Wool blanket washing mechanism of paper machine - Google Patents
Wool blanket washing mechanism of paper machine Download PDFInfo
- Publication number
- CN211199897U CN211199897U CN201922270568.6U CN201922270568U CN211199897U CN 211199897 U CN211199897 U CN 211199897U CN 201922270568 U CN201922270568 U CN 201922270568U CN 211199897 U CN211199897 U CN 211199897U
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- China
- Prior art keywords
- washing tank
- blanket
- roller
- pressure water
- low
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- Expired - Fee Related
Links
- 238000005406 washing Methods 0.000 title claims abstract description 56
- 230000007246 mechanism Effects 0.000 title claims abstract description 12
- 210000002268 wool Anatomy 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000007921 spray Substances 0.000 claims abstract description 18
- 238000005273 aeration Methods 0.000 claims abstract description 10
- 239000002351 wastewater Substances 0.000 claims abstract description 10
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims description 6
- 238000009991 scouring Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of paper machines, in particular to a wool blanket washing mechanism of a paper machine, which comprises a washing tank, a group of aeration heads arranged in an array are arranged at the bottom of the washing tank, each aeration head is connected with an air source through an air pipe, two low-pressure water spray pipes arranged along the front and back direction are arranged at the top of the left end of the washing tank, a wastewater discharge tank is separated from the right side of the inner cavity of the washing tank through a clapboard, the height of the clapboard is lower than the height of the groove wall of the washing tank, a blow-off pipe is arranged at the bottom of the wastewater discharge tank, a row of upper guide roller and lower guide roller are arranged along the front and back direction in the inner cavity of the washing tank, a beam fixed on a frame is arranged above the washing tank, a pair of water squeezing rollers and a leading-out roller are arranged at the left end of the beam, a leading-in roller is arranged at, then upwards passes through the area between the two low-pressure water spraying pipes and is finally led out by a leading-out roller and a wringing roller.
Description
Technical Field
The utility model belongs to the technical field of the paper machine technique and specifically relates to a wool blanket washing mechanism of paper machine.
Background
Most of the conventional press felts are woven from animal fluff such as wool or synthetic fibers such as polyamide and polypropylene. Due to the large line pressure of the press part, and the use of a large amount of regenerated fibers in the papermaking process, the use of various fillers is increased day by day, a large amount of chemicals is used, and the pollution of the felt is accelerated due to the fact that the closed circulation of white water is carried out under the pressure of environmental protection. Dirty blankets greatly reduce the dewatering efficiency of the press section, adversely affect paper making and machine operation, and also cause increased steam consumption in the dryer section. The blankets are not generally worn mechanically but are taken off when the dewatering performance cannot meet the requirements due to dirt. In the production process, dirt adhered to the surface of the blanket and accumulated in the blanket can be removed through washing, the elasticity and the bulk of the blanket are recovered, and good drainability, water content and air permeability are kept, so that the service life of the blanket is prolonged, the normal operation of a paper machine is ensured, the yield and the quality are improved, the consumption of the blanket is reduced, and the like. Therefore, the blanket should be washed in time during operation.
The existing blanket washing device generally adopts a high-pressure or low-pressure water spray pipe, and dirt is removed by the sprayed water flow penetrating through the blanket. The disadvantages of this washing device are: if the pressure is too high above 2.5 MPa), although the dirt can be washed, the pile of the felt is easily washed off and the felt is damaged, if the pressure is too low below 0.6 MPa), the washing effect is poor, the felt gets dirty very quickly, even if moderate pressure of 1.0-1.5MPa is used), because complete wetting of the felt cannot be achieved, the washing effect is too good, and there is room for improvement.
Disclosure of Invention
The utility model aims at overcoming not enough among the above-mentioned background art, providing a wool blanket washing mechanism of paper machine, this mechanism should be able to be betterly to the dirt of cleaing away the woollen blanket, does not lose the woollen blanket moreover, ensures the normal operating of paper machine.
The technical purpose of the utility model is realized like this:
a wool blanket washing mechanism of a paper machine comprises a washing tank, wherein a group of aeration heads arranged in an array manner are arranged at the bottom of the washing tank, each aeration head is connected with an air source through an air pipe, two low-pressure water spray pipes arranged in the front-back direction are arranged at the top of the left end of the washing tank, a wastewater discharge tank is separated from the right side of an inner cavity of the washing tank through a partition plate, the height of the partition plate is lower than the height of the wall of the washing tank, a blow-off pipe is arranged at the bottom of the wastewater discharge tank, a row of upper guide rollers and lower guide rollers are arranged in the front-back direction of the inner cavity of the washing tank, a cross beam fixed on a rack is arranged above the washing tank, a pair of water squeezing rollers and a leading-out roller are arranged at the left end of the cross beam, an introducing roller is arranged at the right end of the cross beam, a carpet enters the washing tank downwards, finally, the mixture is led out through a leading-out roller and a wringing roller.
Preferably, the upper guide rollers are spaced apart from each other, and the lower guide rollers are also spaced apart from each other.
Preferably, the top of the upper guide roller is lower than the top edge of the partition plate.
Preferably, the two low pressure water jets are arranged at the same height, and each low pressure water jet is provided with a row of nozzles along the axial direction, and the two low pressure water jets are arranged inwards to wash the blanket passing between the two low pressure water jets.
Preferably, the nozzles of the two low-pressure water spraying pipes are perpendicular to the running direction of the blanket or form an included angle of 25-40 degrees against the running direction of the blanket.
Compared with the prior art, the utility model has the following advantage: the utility model discloses utilize the sink to realize infiltrating completely to the woollen blanket, and realize the washing at the woollen blanket in-process of advancing, the head of rethread aeration produces a large amount of bubbles, strikes the woollen blanket, strengthens the washing effect, and the bubble can also be with the light weight impurity paper hair that washes out, fine hair etc.) takes the surface of water over the baffle and discharge from the blow off pipe in waste water discharge groove again. The low-pressure water spraying pipe is used for further cleaning two sides of the blanket, the blanket cannot be damaged, the water content of the blanket can be controlled by the water squeezing roller, and the normal operation of the paper machine is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following embodiments.
As shown in FIG. 1, a scouring blanket mechanism for a paper machine includes a square washing tank 12. A group of aeration heads 9 arranged in an array are arranged at the bottom of the washing tank 12, and each aeration head 9 is connected with an air source through an air pipe 10 (the air source is omitted in the figure). Two low pressure water spray pipes 14 (the low pressure water spray pipes are connected with a pressure pump, and the pressure pump is omitted in the figure) are arranged in the front-back direction at the top of the left end of the washing tank 12, and obviously, the width of the washing tank and the length of the two low pressure water spray pipes 14 are larger than the width of the blanket. The right side of the inner cavity of the washing tank 12 is separated into a waste water discharge tank 6 by a clapboard 7, the height of the clapboard 7 is lower than the height of the tank wall of the washing tank 12 (generally lower than the top edge of the tank wall by 20cm-30 cm), and the bottom of the waste water discharge tank 6 is provided with a sewage discharge pipe 8. The inner cavity of the washing tank 12 is provided with a row of upper guide rollers 13 and lower guide rollers 11 in the front-rear direction. A beam 3 fixed on the frame is arranged above the washing tank 12, a pair of wringing rollers 1 and a leading-out roller 2 are arranged at the left end of the beam 3, and a leading-in roller 4 is arranged at the right end of the beam 3. The felt 5 is guided in from the guide roller 4, enters the washing tank 12 downwards, then passes back and forth between the lower guide roller 11 and the upper guide roller 13 (passes around the rightmost lower guide roller, then passes around the rightmost upper guide roller, then passes around the second right lower guide roller, then passes around the second right upper guide roller, in this order the felt travels, finally enters between the two low pressure water spray pipes 14 from the leftmost lower guide roller), then passes upwards through the area between the two low pressure water spray pipes 14, and finally is guided out through the guide roller 2 and the wringing roller 1.
The upper guide rollers 13 are spaced apart from each other, and the lower guide rollers 11 are also spaced apart from each other. The top of the upper guide roller 13 is lower than the top edge of the partition board 7, so that the carpet can be soaked below the liquid level of the washing tank.
The two low-pressure water spray pipes 14 are arranged at the same height, each low-pressure water spray pipe 14 is provided with a row of nozzles (the pressure of the sprayed water flow is 0.6-1.0 MPa) along the axial direction, and the two low-pressure water spray pipes 14 are arranged inwards so as to wash the blanket 5 passing between the two low-pressure water spray pipes 14. The nozzles of the two low-pressure water spraying pipes 14 are perpendicular to the running direction of the blanket 5, or form an included angle of 25-40 degrees against the running direction of the blanket 5.
The utility model discloses a theory of operation is: after the woollen blanket 5 got into wash tank 12, can be soaked by the water in the in-process of advancing, also can obtain the washing of certain degree, aeration head 9 produces a large amount of tiny bubbles, strikes woollen blanket 5's surface, reinforcing washing effect, can take the light weight impurity of washing to the surface of liquid level simultaneously and form the superficial layer (the similar air supporting machine of principle), the superficial layer is along with rivers cross the topside of baffle 7, get into waste water discharge tank 6, discharge from blow off pipe 8, can carry out subsequent processing. When the blanket 5 washed in the washing tank 12 passes through the two low-pressure water spraying pipes 14, water sprayed by the nozzles is further washed, so that firstly, residual dirt can be washed off, secondly, light impurities brought up when the blanket 5 passes through a floating layer can be washed off, finally, redundant water in the blanket 5 is squeezed out through the water squeezing rollers 1, and the blanket 5 continues to operate in a squeezing part. The water flow sprayed from the low pressure spray pipe 14 can be used as the inlet water of the washing tank 12, and the inlet water pipe can also be additionally arranged to supplement the water amount of the washing tank 12.
The above description is only a preferred embodiment of the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A wool blanket washing mechanism of a paper machine is characterized in that: comprises a washing tank (12), a group of aeration heads (9) arranged in an array are arranged at the bottom of the washing tank (12), each aeration head (9) is connected with an air source through an air pipe (10), two low-pressure water spray pipes (14) arranged in the front-back direction are arranged at the top of the left end of the washing tank (12), a wastewater discharge tank (6) is isolated from the right side of the inner cavity of the washing tank (12) through a partition plate (7), the height of the partition plate (7) is lower than that of the wall of the washing tank (12), a drain pipe (8) is arranged at the bottom of the wastewater discharge tank (6), a row of upper guide rollers (13) and a row of lower guide rollers (11) are arranged in the front-back direction in the inner cavity of the washing tank (12), a cross beam (3) fixed on a rack is arranged above the washing tank (12), a pair of water squeezing rollers (1) and a leading-out roller (2) are arranged at the left end of, the blanket (5) is led in from the lead-in roller (4), then enters the washing tank (12) downwards, then passes around between the lower guide roller (11) and the upper guide roller (13) in a reciprocating way, then passes through the area between the two low-pressure water spraying pipes (14) upwards, and finally is led out through the lead-out roller (2) and the wringing roller (1).
2. The wool blanket washing mechanism of a paper machine according to claim 1, wherein: and a certain distance is kept between the upper guide rollers (13), and a certain distance is also kept between the lower guide rollers (11).
3. The wool blanket washing mechanism of a paper machine according to claim 1, wherein: the top of the upper guide roller (13) is lower than the top edge of the clapboard (7).
4. A machine scouring blanket arrangement according to claim 1, 2 or 3, characterised in that: the two low-pressure water spray pipes (14) are arranged in equal height, each low-pressure water spray pipe (14) is provided with a row of nozzles along the axial direction, and the two low-pressure water spray pipes (14) are arranged inwards so as to wash the blanket (5) passing between the two low-pressure water spray pipes (14).
5. The wool blanket washing mechanism of a paper machine according to claim 4, wherein: the nozzles of the two low-pressure water spraying pipes (14) are perpendicular to the running direction of the blanket (5), or form an included angle of 25-40 degrees against the running direction of the blanket (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922270568.6U CN211199897U (en) | 2019-12-17 | 2019-12-17 | Wool blanket washing mechanism of paper machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922270568.6U CN211199897U (en) | 2019-12-17 | 2019-12-17 | Wool blanket washing mechanism of paper machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211199897U true CN211199897U (en) | 2020-08-07 |
Family
ID=71863217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922270568.6U Expired - Fee Related CN211199897U (en) | 2019-12-17 | 2019-12-17 | Wool blanket washing mechanism of paper machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211199897U (en) |
-
2019
- 2019-12-17 CN CN201922270568.6U patent/CN211199897U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 |