CN212865428U - Defoaming device for papermaking white water - Google Patents
Defoaming device for papermaking white water Download PDFInfo
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- CN212865428U CN212865428U CN202021013742.5U CN202021013742U CN212865428U CN 212865428 U CN212865428 U CN 212865428U CN 202021013742 U CN202021013742 U CN 202021013742U CN 212865428 U CN212865428 U CN 212865428U
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Abstract
The utility model provides a defoaming device for papermaking white water, which comprises a white water defoaming tank and a defoaming agent adding unit, wherein the white water defoaming tank is provided with a vertical partition plate to be divided into a defoaming area and a clear water area; the defoaming agent adding unit comprises an atomizing nozzle and a defoaming agent liquid storage tank, and the defoaming agent liquid storage tank is communicated with the atomizing nozzle through a water pump pipeline. The utility model discloses a fire fighting equipment for papermaking plain boiled water utilizes atomizing nozzle can be fine with defoaming agent solution atomizing blowout for float in plain boiled water surface's foam can with the more abundant contact of defoaming agent, increase the contact surface of surface foam and defoaming agent, can effectual reduction foam surface tension, reach the purpose of defoaming, avoided the follow-up in-process moreover owing to receive the disturbance foam of regenerating.
Description
Technical Field
The utility model relates to a papermaking equipment field, concretely relates to a fire fighting equipment for papermaking plain boiled water.
Background
The foam has great influence on the measurement and stable operation of equipment in the papermaking production process, especially, the papermaking white water can generate a large amount of surface foam, if a large amount of surface foam is generated, the measurement of a liquid level meter can be inaccurate, overflow is caused, and the waste of raw materials and the environmental protection pressure are easily generated. In the prior art, a defoaming agent is added in a place with much foam by using a pipeline, and the surface performance of the foam is reduced by using the defoaming agent, so that the defoaming effect is achieved. However, when the amount of the defoaming agent is increased, the control of the surface foam is difficult, and the amount of the defoaming agent is increased. In addition, because the foam has a small specific gravity and floats on the surface of the liquid, the foam is difficult to fully contact with the foam by adding the defoaming agent into the liquid, so that the surface foam is difficult to eliminate, the foam generation is also repeated, and the foam can be regenerated along with the disturbance of the subsequent process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the weak point that prior art exists and provide a fire fighting equipment for papermaking plain boiled water.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a defoaming device for papermaking white water comprises a white water defoaming tank and a defoaming agent adding unit, wherein the white water defoaming tank is provided with a vertical partition plate which is divided into a defoaming area and a clear water area, the bottom of the defoaming area is provided with a stirring mechanism, the white water defoaming tank is provided with a white water input pipeline, the white water input pipeline leads to the defoaming area, the bottom of the vertical partition plate is provided with an overflow hole which is communicated with the defoaming area and the clear water area, the top of the white water defoaming tank above the defoaming area is provided with a first vent hole, and the top of the white water defoaming tank above the clear water area is provided with a second vent hole;
the defoaming agent adding unit comprises an atomizing nozzle and a defoaming agent liquid storage tank, the defoaming agent liquid storage tank is communicated with the atomizing nozzle through a water pump pipeline, the atomizing nozzle is arranged above the defoaming area, and the vertical height of the atomizing nozzle is higher than that of the white water input pipeline.
Foretell a fire fighting equipment for papermaking plain boiled water utilizes atomizing nozzle can be fine with defoaming agent solution atomizing blowout for float in plain boiled water surface's foam can with the more abundant contact of defoaming agent, increase the contact surface of surface foam and defoaming agent, can the effectual surface tension who reduces the foam, reach the purpose of defoaming. The defoaming device for the papermaking white water is characterized in that the bottom of the defoaming area is provided with the stirring mechanism, the top of the defoaming area is provided with the first vent hole, the white water can fully generate bubbles through the stirring mechanism and the first vent hole and then the bubbles are removed by the defoaming agent sprayed out of the atomizing nozzle, so that the phenomenon that the bubbles are generated again due to disturbance in the subsequent process is avoided; the clean water after the defoaming in the defoaming area overflows to the clean water area through the air pressure balance of the second vent hole and the first vent hole.
Preferably, the distance between the overflow hole and the bottom of the white water defoaming tank is not more than 5 cm.
Foretell a defoaming device for papermaking plain boiled water sets up the overflow hole in the position that does not exceed 5cm apart from the distance of plain boiled water defoaming tank bottom, can make the clear water of getting rid of the foam at first overflow get into the clear water district.
Preferably, the inlet of the white water input pipeline is arranged on the side wall of the white water defoaming tank opposite to the vertical partition, and the distance between the inlet of the white water input pipeline and the top of the white water defoaming tank is 15-25 cm.
Foretell a fire fighting equipment for papermaking plain boiled water sets up the entry of plain boiled water input pipeline apart from the distance at plain boiled water defoaming tank top is 15 ~ 25 cm's position for the plain boiled water of input not defoaming can the fastest contact defoaming agent, is favorable to improving defoaming efficiency.
Preferably, the defoaming agent adding unit is further provided with a water conveying pipe connected with the defoaming agent liquid storage tank in parallel.
The defoaming device for the papermaking white water dilutes the defoaming agent solution through the water conveying pipes connected in parallel, and is favorable for improving the atomization effect of the defoaming agent solution.
Preferably, a first flowmeter and a first control valve are arranged on a pipeline between the defoaming agent liquid storage tank and the atomizing nozzle, and a second flowmeter and a second control valve are arranged on the water conveying pipe.
The defoaming device for the papermaking white water can be used for metering and regulating the defoaming agent and regulating the dilution ratio of the defoaming agent solution.
Preferably, the defoaming district is provided with a plurality of atomizing nozzle, 3 ~ 5 a set of a plurality of atomizing nozzle fix on same vertical pivot and with vertical pivot central symmetry, atomizing nozzle with the contained angle of vertical pivot is 30 ~ 45 degrees.
The arrangement of the atomizing nozzle of the defoaming device for the papermaking white water can ensure that the defoaming agent is sprayed on surface foam more uniformly.
Preferably, the bottom of the vertical partition plate is provided with a plurality of overflow holes, and the overflow holes are distributed on the same horizontal position on the vertical partition plate at intervals.
Preferably, the diameter of the overflow holes is 1-3 cm, and the interval of the overflow holes is 2-5 cm.
The size of the overflow hole of the defoaming device for the papermaking white water is set to be beneficial to overflow of clear water and prevent water without foam removal from entering a clear water area.
Preferably, the stirring mechanism comprises a motor and a helical blade, and the helical blade is arranged at the bottom of the defoaming area.
The beneficial effects of the utility model reside in that: the utility model provides a fire fighting equipment for papermaking plain boiled water, the utility model discloses a fire fighting equipment for papermaking plain boiled water utilizes atomizing nozzle can be fine with defoaming agent solution atomizing blowout for float in the foam on plain boiled water surface can with the more abundant contact of defoaming agent, increase the contact surface of surface foam and defoaming agent, can the effectual surface tension who reduces the foam, reach the purpose of defoaming. In addition, the defoaming device for the papermaking white water of the utility model is provided with the stirring mechanism at the bottom of the defoaming area, the first air vent is arranged at the top of the defoaming area, the white water can generate bubbles fully through the stirring mechanism and the first air vent, and then the bubbles are removed by the defoaming agent sprayed by the atomizing nozzle, so that the problem that the foams are generated again due to disturbance in the subsequent process is avoided; the clean water after the defoaming in the defoaming area overflows to the clean water area through the air pressure balance of the second vent hole and the first vent hole.
Drawings
Fig. 1 is a schematic structural view of the defoaming device for white water in paper making according to the present invention.
The system comprises a white water defoaming tank 1, a white water defoaming tank 2, a defoaming area 3, a clear water area 4, a defoaming agent liquid storage tank 5, a white water input pipeline 6, a vertical partition plate 7, an overflow hole 8, a helical blade 9, a motor 10, an atomizing nozzle 11, a first vent hole 12, a second vent hole 13, a water pipe 14, a first flowmeter 15, a first control valve 16, a water pump 17, a second flowmeter 18 and a second control valve.
Detailed Description
For better illustrating the objects, technical solutions and advantages of the present invention, the present invention will be further described with reference to the following embodiments.
Example 1
As the embodiment of the utility model provides a fire fighting equipment for papermaking plain boiled water, fire fighting equipment includes plain boiled water defoaming jar 1 and defoaming agent interpolation unit, plain boiled water defoaming jar 1 is provided with vertical baffle 6 and separates for defoaming district 2 and clear water district 3, the bottom in defoaming district 2 is provided with rabbling mechanism, plain boiled water defoaming jar 1 is provided with plain boiled water input pipeline 5, plain boiled water input pipeline 5 leads to defoaming district 2, the bottom of vertical baffle 6 is provided with overflow hole 7 and communicates defoaming district 2 and clear water district 3, the plain boiled water defoaming tank top portion above defoaming district 2 is provided with first air vent 11, the plain boiled water defoaming tank top portion above clear water district 3 is provided with second air vent 12;
the defoaming agent adding unit comprises an atomizing nozzle 10 and a defoaming agent liquid storage tank 4, the defoaming agent liquid storage tank 4 is communicated with the atomizing nozzle 10 through a water pump 16, the atomizing nozzle 10 is arranged above the defoaming area 2, and the vertical height of the atomizing nozzle 10 is higher than that of the white water input pipeline 5.
The fire fighting equipment for papermaking plain boiled water of this embodiment utilizes atomizing nozzle can be fine with defoaming agent solution atomizing blowout for float in plain boiled water surface's foam can with the more abundant contact of defoaming agent, increase the contact surface of surface foam and defoaming agent, can the effectual surface tension who reduces the foam, reach the purpose of defoaming. In addition, the defoaming device for the papermaking white water in the embodiment is provided with the stirring mechanism at the bottom of the defoaming area, the first vent hole is arranged at the top of the defoaming area, and the stirring mechanism and the first vent hole enable the white water to fully generate bubbles and then be simultaneously removed by the defoaming agent sprayed by the atomizing nozzle, so that the phenomenon that foams are generated again due to disturbance in the subsequent process is avoided; the clean water after the defoaming in the defoaming area overflows to the clean water area through the air pressure balance of the second vent hole and the first vent hole.
Further, the distance between the overflow hole 7 and the bottom of the white water defoaming tank 1 is not more than 5 cm. The defoaming device for papermaking white water sets the overflow hole at a position which is not more than 5cm away from the bottom of the white water defoaming tank, so that the clear water for removing foam firstly overflows into the clear water area.
Further, the inlet of the white water input pipeline 5 is arranged on the side wall of the white water defoaming tank 1 opposite to the vertical partition 6, and the distance between the inlet of the white water input pipeline 5 and the top of the white water defoaming tank 1 is 15-25 cm. A fire fighting equipment for papermaking plain boiled water sets up the entry of plain boiled water input pipeline apart from the distance at plain boiled water defoaming tank top is 15 ~ 25 cm's position for the plain boiled water of input not defoaming can fastest contact defoaming agent, is favorable to improving defoaming efficiency.
In order to dilute the defoaming agent solution and improve the atomization effect of the defoaming agent solution, the defoaming agent adding unit is also provided with a water pipe 13 which is connected with the defoaming agent liquid storage tank 4 in parallel.
In order to adjust the amount of the defoaming agent and the dilution ratio of the defoaming agent solution, a first flow meter 14 and a first control valve 15 are arranged on a pipeline between the defoaming agent storage tank 4 and the atomizing nozzle 10, and a second flow meter 17 and a second control valve 18 are arranged on a water conveying pipe 13.
In order to make more even spraying of defoaming agent on surface foam, defoaming district 2 is provided with a plurality of atomizing nozzle 10, 3 ~ 5 a set of a plurality of atomizing nozzle are fixed on same vertical pivot and are used vertical pivot central symmetry, and the contained angle of atomizing nozzle and vertical pivot is 30 ~ 45 degrees.
Further, the bottom of the vertical clapboard 6 is provided with a plurality of overflow holes 7, and the overflow holes 7 are distributed on the same horizontal position on the vertical clapboard 6 at intervals.
Furthermore, the diameter of the overflow holes 7 is 1-3 cm, and the interval between the overflow holes 7 is 2-5 cm. The size of the overflow hole of the defoaming device for the papermaking white water is set to be beneficial to the overflow of clean water and prevent water without foam removal from entering a clean water area.
Further, the stirring mechanism comprises a motor 9 and a spiral blade 8, and the spiral blade 8 is arranged at the bottom of the defoaming area 2.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and 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 technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A defoaming device for papermaking white water is characterized by comprising a white water defoaming tank and a defoaming agent adding unit, wherein the white water defoaming tank is provided with a vertical partition plate which is divided into a defoaming area and a clear water area, the bottom of the defoaming area is provided with a stirring mechanism, the white water defoaming tank is provided with a white water input pipeline, the white water input pipeline leads to the defoaming area, the bottom of the vertical partition plate is provided with an overflow hole which is communicated with the defoaming area and the clear water area, the top of the white water defoaming tank above the defoaming area is provided with a first vent hole, and the top of the white water defoaming tank above the clear water area is provided with a second vent hole;
the defoaming agent adding unit comprises an atomizing nozzle and a defoaming agent liquid storage tank, the defoaming agent liquid storage tank is communicated with the atomizing nozzle through a water pump pipeline, the atomizing nozzle is arranged above the defoaming area, and the vertical height of the atomizing nozzle is higher than that of the white water input pipeline.
2. The defoaming apparatus for papermaking white water according to claim 1, wherein the distance from the overflow hole to the bottom of the white water defoaming tank is not more than 5 cm.
3. The defoaming apparatus for papermaking white water according to claim 1, wherein an inlet of the white water input pipeline is disposed on a side wall of the white water defoaming tank opposite to the vertical partition, and a distance from the inlet of the white water input pipeline to the top of the white water defoaming tank is 15-25 cm.
4. The defoaming apparatus for papermaking white water according to claim 1, wherein the defoaming agent adding unit is further provided with a water pipe connected in parallel with the defoaming agent reservoir tank.
5. The defoaming apparatus for papermaking white water according to claim 4, wherein a first flow meter and a first control valve are disposed on the pipeline between the defoaming agent reservoir and the atomizing nozzle, and a second flow meter and a second control valve are disposed on the water pipe.
6. The defoaming device for papermaking white water according to claim 1, wherein the defoaming area is provided with a plurality of atomizing nozzles, a group of 3-5 atomizing nozzles are fixed on the same vertical rotating shaft and are centrosymmetric about the vertical rotating shaft, and an included angle between each atomizing nozzle and the vertical rotating shaft is 30-45 degrees.
7. The defoaming apparatus for papermaking white water according to claim 1, wherein a plurality of overflow holes are provided at the bottom of the vertical partition, and the overflow holes are spaced at the same horizontal position on the vertical partition.
8. The defoaming device for papermaking white water according to claim 7, wherein the diameter of the overflow holes is 1-3 cm, and the interval between the overflow holes is 2-5 cm.
9. The defoaming apparatus for papermaking white water according to claim 1, wherein the stirring mechanism comprises a motor and a helical blade, and the helical blade is disposed at the bottom of the defoaming zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021013742.5U CN212865428U (en) | 2020-06-04 | 2020-06-04 | Defoaming device for papermaking white water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021013742.5U CN212865428U (en) | 2020-06-04 | 2020-06-04 | Defoaming device for papermaking white water |
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| Publication Number | Publication Date |
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| CN212865428U true CN212865428U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021013742.5U Active CN212865428U (en) | 2020-06-04 | 2020-06-04 | Defoaming device for papermaking white water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113354019A (en) * | 2021-05-17 | 2021-09-07 | 福建中盟环保有限公司 | Organic waste water uses high-efficient fire fighting equipment |
| CN113943027A (en) * | 2021-10-29 | 2022-01-18 | 山鹰国际控股股份公司 | Spraying defoaming device for white water tank and defoaming method thereof |
-
2020
- 2020-06-04 CN CN202021013742.5U patent/CN212865428U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113354019A (en) * | 2021-05-17 | 2021-09-07 | 福建中盟环保有限公司 | Organic waste water uses high-efficient fire fighting equipment |
| CN113943027A (en) * | 2021-10-29 | 2022-01-18 | 山鹰国际控股股份公司 | Spraying defoaming device for white water tank and defoaming method thereof |
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