CN220246550U - Automatic spraying device for white cardboard - Google Patents
Automatic spraying device for white cardboard Download PDFInfo
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- CN220246550U CN220246550U CN202321963137.8U CN202321963137U CN220246550U CN 220246550 U CN220246550 U CN 220246550U CN 202321963137 U CN202321963137 U CN 202321963137U CN 220246550 U CN220246550 U CN 220246550U
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- tower
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- white water
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- 238000005507 spraying Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 128
- 238000004140 cleaning Methods 0.000 claims abstract description 15
- 239000007921 spray Substances 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000009395 breeding Methods 0.000 abstract description 3
- 230000001488 breeding effect Effects 0.000 abstract description 3
- 239000000123 paper Substances 0.000 abstract description 3
- 230000000813 microbial effect Effects 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 7
- 238000004537 pulping Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010035148 Plague Diseases 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses an automatic spraying device for white cardboard, which comprises at least one white water tower, at least one broke tower, a plurality of pulp towers, a white water filter and a super-clean water pool; the bottom side of each white water tower is sequentially connected with a white water automatic switch valve and a white water pump through a main pipeline, and all white water pumps are connected in parallel through the main pipeline and pump water to a white water filter; the ultra-clean water pool is sequentially connected with an ultra-clean water automatic switch valve and an ultra-clean water high-pressure pump through a main pipeline, and the outlet of the ultra-clean water high-pressure pump is respectively connected with branch pipelines for pumping water to the tops of all the white water towers, the tops of all the paper loss towers and the tops of all the pulp towers through the main pipeline in a branch way; the automatic branch switching valve is arranged on each branch pipeline, the tail end of each branch pipeline is connected with an integrated spray head for automatically spraying and cleaning the inner wall of the tower top of the white water tower, the broken paper tower or the pulp tower respectively, so that the automatic spraying and cleaning of the food-grade white card pulp tower or the tower top of the water tower is realized, and microbial breeding and pollution to a papermaking production system are avoided.
Description
[ field of technology ]
The utility model relates to a spraying technology in papermaking, in particular to an automatic spraying device for white cardboard.
[ background Art ]
Along with the progress of mechanical equipment and automatic control technology, the speed and the width of the white cardboard machine are continuously refreshed, so that the speed is continuously improved, and the processed white cardboard width is continuously increased. At present, the white cardboard machine with annual output of more than 100 ten thousand tons in a single machine is put into production, and along with the expansion of the capacity of the paper machine, the capability of a matched pulping system is required to be correspondingly improved, and the heights and the volumes of a pulp tower and a white water tower are required to be increased. When the volume of the tower is more than 300m 3 When the height exceeds 10m, the inner wall of the top of the tower is difficult to manually wash, and along with the increase of the running time, the inner wall of the top of the slurry tower is easy to grow bacteria, the production process and the products are polluted, and the food-grade white cardboard has definite requirements on microorganism control.
Therefore, the problems of slurry accumulation on the inner wall of the top of the tower of the pulping system and clean production process are the difficult problems which plague most food-grade white cardboard manufacturers, and the improvement of a spraying system on the top of the tower of the food-grade white cardboard pulping system is urgently needed.
[ utility model ]
The embodiment of the utility model provides an automatic spraying device for white cardboard, which can effectively clean accumulated slurry in the top of a pulping tower, avoid microorganism breeding to pollute a production system and effectively ensure the production quality of food-grade white cardboard.
The technical scheme adopted by at least one embodiment of the utility model is as follows:
an automatic spraying device for white cardboard is used for automatic spraying at the top of a food-grade white cardboard pulp tower or a water tower, and comprises at least one white water tower, at least one broke tower, a plurality of pulp towers, a white water filter and a super-clean water pool;
the bottom side of each white water tower is sequentially connected with a white water automatic switching valve and a white water pump through a main pipeline, and outlets of all white water pumps are connected in parallel through the main pipeline and then pump water to the white water filter;
the white water filter filters the white water supplied by the white water tower and then injects the white water into the ultra-clean water tank;
the bottom side of the super-clean water pool is sequentially connected with a super-clean water automatic switch valve and a super-clean water high-pressure pump through a main pipeline, and the outlet of the super-clean water high-pressure pump is respectively connected with branch pipelines for supplying water to the tops of all the white water towers, all the tops of the broke towers and all the tops of the pulp towers through main pipelines;
and each branch pipeline is respectively provided with a branch automatic switch valve for controlling the on-off of the corresponding branch, and the tail end of each branch pipeline is respectively connected with an integrated spray head for automatically spraying and cleaning the inner wall of the tower top of the white water tower, the broke tower or the pulp tower.
Preferably, the integrated shower nozzle includes extension pipe, rotating head and four nozzles, the extension pipe is connected in every the end of branch road pipeline, the rotating head is installed in extension pipe bottom, four the nozzle circumference evenly distributed installs on the rotating head.
Preferably, the flow rate of the ultra-clean water high-pressure pump is 20m3/h, and the lift is 220m.
Preferably, the diameter of the main pipeline is DN50, and the diameter of the branch pipeline is DN32.
Preferably, the filtering precision requirement of the white water filter is less than or equal to 20 mu m, and the processing capacity is more than or equal to 20 mu m 3 /h。
Preferably, the bottom sides of the ultra-clean water tank, each white water tower, each broke tower and each pulp tower are respectively connected with a drain pipe for discharging sewage in the cleaning water tank or the tower body outwards through branch pipelines, and drain valves for controlling the on-off of the pipelines are respectively arranged on the drain pipes.
The embodiment of the utility model has the beneficial effects that:
aiming at the problems of slurry accumulation on the inner wall of the top of the tower of various towers of a pulping system of food-grade white cardboard and clean production process,
according to the automatic spraying device, the white water supplied by the white water tower is filtered through the white water filter and then stored in the super-clean water tank, and then is pumped into the top of the white water tower, the broke tower or the pulp tower through the super-clean water high-pressure pump, and the inner wall of the top of the tower is automatically sprayed and cleaned by utilizing the integrated spray heads respectively, so that accumulated pulp on the inner wall of the top of the tower of the pulping system can be automatically cleaned, and microbial breeding and pollution to a production system are avoided; effectively meets the cleaning requirement of the tower top of a water tower or a slurry tower with the height of more than 10 meters from 300m3 to 2000m 3.
[ description of the drawings ]
FIG. 1 is a schematic diagram of a system of the present utility model;
reference numerals:
1. a white water tower; 2. a broke tower; 3. a slurry tower; 4. white water filter; 5. a super-clean water pool; 6. a main pipe; 7. automatic on-off valve for white water; 8. a white water pump; 9. automatic switch valve for ultra-clean water; 10. ultra-clean water high-pressure pump; 11. a branch pipe; 12. the branch circuit automatically opens and closes the valve; 13. an integrated spray head; 14. a blow-down pipe; 15. a blow-down valve.
[ detailed description ] of the utility model
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An automatic spraying device for white cardboard, as shown in figure 1, is used for automatic spraying of the top of a food-grade white cardboard pulp tower 3 or a water tower, and comprises a white water tower 1, a broke tower 2, three pulp towers 3, a white water filter 4 and a super-clean water tank 5; the bottom side of the white water tower 1 is sequentially connected with a white water automatic switch valve 7 and a white water pump 8 through a main pipeline 6, and the outlet of the white water pump 8 pumps water to the white water filter 4 through the main pipeline 6; the white water filter 4 filters the white water supplied by the white water tower 1 and injects the white water into the super-clean water tank 5, the bottom side of the super-clean water tank 5 is sequentially connected with a super-clean water automatic switch valve 9 and a super-clean water high-pressure pump 10 through a main pipeline 6, and the outlet of the super-clean water high-pressure pump 10 is respectively connected with branch pipelines 11 for pumping water to the tower top of the white water tower 1, the tower top of the broke tower 2 and the tower top of all the slurry towers 3 through the main pipeline 6; the branch pipelines 11 are respectively provided with a branch automatic switch valve 12 for controlling the on-off of the corresponding branch, and the tail end of each branch pipeline 11 is respectively connected with an integrated spray head 13 for automatically spraying and cleaning the inner wall of the tower top of the white water tower 1, the broke tower 2 or the pulp tower 3. And the bottom sides of the ultra-clean water tank 5, the white water tower 1, the broke tower 2 and each pulp tower 3 are respectively connected with a drain pipe 14 for discharging the sewage in the cleaning water tank or the tower body outwards through a branch pipeline 11, and the drain pipes 14 are respectively provided with drain valves 15 for controlling the on-off of pipelines.
As further shown in fig. 1, the integrated shower nozzle 13 includes an extension pipe (not shown), a rotating head (not shown) and four nozzles (not shown), the extension pipe is connected to the end of each branch pipeline 11, the rotating head is mounted at the bottom end of the extension pipe, the four nozzles are uniformly distributed circumferentially and mounted on the rotating head, in this embodiment, the integrated shower nozzle 13 is provided with the extension pipe of 1.5m, the cleaning white water drives the rotating head to rotate, the rotating head is mounted with four nozzles with 6mm apertures, and the pressure during operation is 20Kpa and the total flow is 15m 3 /h。
In this embodiment, the flow rate of the ultra-clean water high-pressure pump 10 is 20m 3 The lift is 220m, the diameter of the main pipeline 6 is DN50, and the diameter of the branch pipeline 11 is DN32; the filtering precision requirement of the white water filter 4 is less than or equal to 20 mu m, and the processing capacity is more than or equal to 20m 3 /h。
When the automatic spraying device is used, a single set of device can be connected with 5-10 pulp towers, white water towers or broke towers in parallel, and the operation process comprises the following steps:
1) Setting the cleaning time of each pulp tower, white water tower or broke tower, and selecting 0-60 seconds;
2) Setting the same interval time for cleaning each pulp tower, white water tower or broke tower for two times, and selecting 0-24 hours;
3) Then, the cleaning procedure is started;
4) The automatic on-off valve of the ultra-clean water at the front side of the ultra-clean water high-pressure water pump is opened;
5) Starting the ultra-clean water high-pressure water pump;
6) The bypass automatic switch valve of the white water tower, the broke tower or each pulp tower is opened one by one, then timing is carried out, and the bypass automatic switch valve is automatically closed after the cleaning time is reached;
7) The automatic branch switching valves are interlocked, only one valve is allowed to be opened at the same time, the valves are cleaned one by one, instantaneous water load is minimized, and system fluctuation is reduced;
8) After the cleaning is finished, all the branch automatic switching valves are closed;
9) And the white water pump and the ultra-clean water high-pressure water pump stop running, and the ultra-clean water automatic switch valve is closed.
The above embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but all equivalent changes according to the shape, construction and principle of the present utility model are intended to be included in the scope of the present utility model.
Claims (6)
1. An automatic spraying device for white cardboard is used for automatic spraying at the top of a food-grade white cardboard pulp tower or a water tower, and is characterized by comprising at least one white water tower, at least one broke tower, a plurality of pulp towers, a white water filter and a super-clean water tank;
the bottom side of each white water tower is sequentially connected with a white water automatic switching valve and a white water pump through a main pipeline, and outlets of all white water pumps are connected in parallel through the main pipeline and then pump water to the white water filter;
the white water filter filters the white water supplied by the white water tower and then injects the white water into the ultra-clean water tank;
the bottom side of the super-clean water pool is sequentially connected with a super-clean water automatic switch valve and a super-clean water high-pressure pump through a main pipeline, and the outlet of the super-clean water high-pressure pump is respectively connected with branch pipelines for supplying water to the tops of all the white water towers, all the tops of the broke towers and all the tops of the pulp towers through main pipelines;
and each branch pipeline is respectively provided with a branch automatic switch valve for controlling the on-off of the corresponding branch, and the tail end of each branch pipeline is respectively connected with an integrated spray head for automatically spraying and cleaning the inner wall of the tower top of the white water tower, the broke tower or the pulp tower.
2. An automatic spraying device for white cardboard according to claim 1, characterized in that: the integrated shower nozzle includes extension pipe, rotating head and four nozzles, the extension pipe is connected in every the end of branch road pipeline, the rotating head is installed in extension pipe bottom, four nozzle circumference evenly distributed installs on the rotating head.
3. An automatic spraying device for white cardboard according to claim 1, characterized in that: the flow of the ultra-clean water high-pressure pump is 20m 3 And/h, the lift is 220m.
4. An automatic spraying device for white cardboard according to claim 1, characterized in that: the diameter of the main pipeline is DN50, and the diameter of the branch pipeline is DN32.
5. An automatic spraying device for white cardboard according to claim 1, characterized in that: the filtering precision requirement of the white water filter is less than or equal to 20 mu m, and the processing capacity is more than or equal to 20m 3 /h。
6. An automatic spraying device for white cardboard according to claim 1, characterized in that: the bottom sides of the ultra-clean water tank, each white water tower, each broke tower and each pulp tower are respectively connected with a drain pipe for discharging sewage in the cleaning water tank or the tower body outwards through branch pipelines, and drain valves for controlling the on-off of the pipelines are respectively arranged on the drain pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321963137.8U CN220246550U (en) | 2023-07-25 | 2023-07-25 | Automatic spraying device for white cardboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321963137.8U CN220246550U (en) | 2023-07-25 | 2023-07-25 | Automatic spraying device for white cardboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220246550U true CN220246550U (en) | 2023-12-26 |
Family
ID=89230264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321963137.8U Active CN220246550U (en) | 2023-07-25 | 2023-07-25 | Automatic spraying device for white cardboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220246550U (en) |
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2023
- 2023-07-25 CN CN202321963137.8U patent/CN220246550U/en active Active
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