Efficient emulsified liquid flat bed filter

Abstract

The utility model relates to a high-efficiency emulsion flat bed filter which comprises a flat bed, a filter tank and a circulating chain are arranged in the flat bed, the circulating chain is connected with a driving mechanism, one part of the circulating chain passes above the filter tank, a filter paper roll is arranged on one side of the flat bed, a filter paper recycling bin is arranged on the other side of the flat bed, and filter paper is driven by the circulating chain. A sealing strip is arranged on the side wall of the flat bed corresponding to the filter paper, the sealing strip is in contact with the upper surface of the filter paper, the filter paper and the sealing strip divide the filter tank into an upper-layer cavity and a lower-layer cavity, a fan is arranged on the flat bed, the fan is provided with an air inlet pipe and an air outlet pipe, the air inlet pipe is connected to the upper part of the emulsion level of the lower-layer cavity, and the air outlet pipe is connected to the lower-layer cavity. The air outlet pipe is connected to the position above the liquid level of the upper-layer emulsion, the air pressure of the upper-layer cavity is larger than that of the lower-layer cavity through the draught fan, and therefore the speed that the emulsion penetrates through the filter paper is increased. According to the utility model, the emulsion filtering efficiency is improved, the paper can be automatically fed according to the actual situation, and the paper feeding accuracy is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to emulsion filter technical field, specifically a kind of high-efficiency emulsion flat bed filter. BACKGROUND

[0002] Roller and material need to be sprayed emulsion when rolling mill produces, emulsion is recycled, and emulsion recovered from unit contains impurities, so that the emulsion recovered needs to be filtered before being reused, and the current flat bed filter is generally used to filter emulsion, its main principle is to filter emulsion using filter paper, and the existing flat bed filter has the following problems in actual use: 1, the time of emulsion naturally penetrating filter paper is long, and the overall filtering efficiency is low;2, filter paper needs to be controlled by operating personnel after a period of use due to filter hole blockage, and the length and time of paper running are dependent on operating experience, and the accuracy is low. SUMMARY

[0003] The utility model mainly aims at solving the problems existing in the prior art, and provides a kind of high-efficiency emulsion flat bed filter.

[0004] The specific scheme of the utility model is: a kind of high-efficiency emulsion flat bed filter, including flat bed, filter groove and circulating chain are equipped in flat bed, circulating chain is connected with driving mechanism, part of circulating chain passes from the upper of filter groove, one side of flat bed is equipped with filter paper roll, the other side is equipped with filter paper recovery barrel, filter paper is driven by circulating chain, the side wall of flat bed is equipped with sealing strip corresponding to filter paper, sealing strip is in contact with the upper surface of filter paper, filter paper and sealing strip divide filter groove into upper cavity and lower cavity, fan is mounted on the flat bed, fan is equipped with air inlet pipe and air outlet pipe, air inlet pipe is connected to the upper of emulsion liquid level in lower cavity, air outlet pipe is connected to the upper of emulsion liquid level in upper layer, the air pressure of upper cavity is greater than the air pressure of lower cavity by fan, so as to improve the speed of emulsion penetrating filter paper.

[0005] Further, the upper end of the flat bed is provided with a liquid inlet, and a shunt groove is arranged below the liquid inlet.

[0006] Further, the lower cavity is provided with a pressure sensor, and the pressure sensor is signal connected with the driving mechanism.

[0007] Further, the upper cavity is provided with a liquid level meter, and the liquid level meter is used to detect the liquid level height of the emulsion in the upper cavity.

[0008] Further, the flat bed is provided with a pressure roller on one side of the filter paper recovery barrel, and the pressure roller is used to press the filter paper to reduce the rolling oil loss when starting.

[0009] Further, the sealing strip is installed on the flat bed side wall through a pressing plate, the flat bed side wall is provided with a fixed support, a clamping plate is arranged on the fixed support, the pressing plate is arranged between the clamping plate and the fixed support, and bolts are arranged on the clamping plate to press the pressing plate.

[0010] Compared with the prior art, the utility model has the advantages of the following: 1. By setting up the fan, connecting the air inlet pipe to the lower cavity and connecting the air outlet pipe to the upper cavity, positive pressure is generated in the upper cavity and negative pressure is generated in the lower cavity, so that the speed of the emulsion penetrating the filter paper is accelerated and the filtering efficiency is improved; 2. By setting up the pressure sensor to monitor the negative pressure state of the lower cavity, if the negative pressure value increases to the set value, it indicates that the filter paper needs to be replaced due to too much attachment, and then a signal is automatically sent to the driving mechanism to move the paper; 3. By setting up the liquid level meter, the liquid level of the upper cavity is monitored, if the liquid level is too high, it indicates that the filter paper needs to be replaced due to too much emulsion accumulation, and then a signal is automatically sent to the driving mechanism to move the paper. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is Figure 1 A-A view of it;

[0013] In the drawing: 1, flat bed; 2, filter groove; 3, circulating chain; 4, filter paper; 5, lower cavity; 6, upper cavity; 7, shunt groove; 8, liquid level meter; 9, air outlet pipe; 10, fan; 11, air inlet pipe; 12, driving mechanism; 13, compression roller; 14, pressure sensor; 15, pressing plate; 16, clamping plate; 17, fixed support; 18, sealing strip. DETAILED DESCRIPTION

[0014] Referring to Figures 1-2 , the embodiment is a high-efficiency emulsion flat bed filter, which comprises a flat bed 1, a filter groove 2 and a circulating chain 3 are arranged in the flat bed 1, the circulating chain 3 is connected with a driving mechanism 12, a part of the circulating chain 3 passes above the filter groove 2, a filter paper 4 roll is arranged on one side of the flat bed 1, a filter paper 4 recovery barrel is arranged on the other side of the flat bed 1, the filter paper 4 is driven by the circulating chain 3, a sealing strip 18 is arranged on the side wall of the flat bed 1 corresponding to the filter paper 4, the sealing strip 18 is in contact with the upper surface of the filter paper 4, the filter paper 4 and the sealing strip 18 divide the filter groove 2 into an upper cavity 6 and a lower cavity 5, a fan 10 is arranged on the flat bed 1, the fan 10 is provided with an air inlet pipe 11 and an air outlet pipe 9, the air inlet pipe 11 is connected to the emulsion liquid surface above the lower cavity 5, the air outlet pipe 9 is connected to the emulsion liquid surface above the upper cavity 6, the air pressure of the upper cavity 6 is greater than that of the lower cavity 5 through the fan 10, so that the speed of the emulsion penetrating the filter paper 4 is improved.

[0015] Further, the flat bed 1 upper end is equipped with liquid inlet, and the liquid inlet is equipped with the shunt groove 7 below, and the shunt groove is used for buffering the impact force of liquid inlet, one aspect avoids emulsion impact damage filter paper 4, the other aspect makes emulsion in filter bin form wave and facilitates to promote filtering efficiency.

[0016] Further, the lower layer cavity 5 is equipped with pressure sensor 14, and the pressure sensor 14 is signal connected with the driving mechanism 12.

[0017] Further, the upper layer cavity 6 is equipped with liquid level meter 8, and the liquid level meter 8 is used for detecting the liquid level height of emulsion in the upper layer cavity 6, and the liquid level meter 8 is signal connected with the driving mechanism 12.

[0018] Further, the flat bed 1 is equipped with compression roller 13 on the side of filter paper 4 recovery barrel, and the compression roller 13 is used for pressing filter paper 4, and after long time shutdown, when starting again, emulsion in pipeline will cause filter paper 4 to adhere more rolling oil due to insufficient fusion of oil and water, at this time, intercepting through compression roller 13 can reduce rolling oil loss.

[0019] Further, the sealing strip 18 is installed on the side wall of flat bed 1 through pressing plate 15, the side wall of flat bed 1 is equipped with fixed support 17, the fixed support 17 is equipped with clamping plate 16, the pressing plate 15 is installed between the clamping plate 16 and the fixed support 17, and the clamping plate 16 is equipped with bolts to press the pressing plate 15.

[0020] The working principle of the utility model is as follows: when working, fan 10 keeps opening, so that a certain negative pressure is generated in lower layer cavity 5, and a certain positive pressure is generated in upper layer cavity 6, the rate of emulsion penetrating filter paper 4 is increased by changing the pressure value of the two sides of filter paper 4, so that the purpose of improving filtering efficiency is realized, the pressure value of lower layer cavity 5 is detected in real time through pressure sensor 14, when the negative pressure value detected by pressure sensor 14 increases to the set value, it indicates that the penetrability of filter paper 4 is reduced, and the attachment on the surface is too large, at this time, pressure sensor 14 sends signal to driving mechanism 12, and driving mechanism 12 controls to work for a period of time to make filter paper 4 follow the paper for a period of length, and the filter paper 4 at the front end is recovered through filter paper 4 recovery barrel, and the new filter paper 4 at the rear end is moved to the working position, when the pressure detected by pressure sensor 14 is normal, liquid level meter 8 is arranged in upper layer cavity 6, the liquid level height is detected in real time, if the liquid level height increases to a certain value, it indicates that the penetrability of filter paper 4 needs to be improved, and new filter paper 4 also needs to be replaced, at this time, liquid level meter 8 sends signal to driving mechanism 12 to move the paper.

Claims

1. A high-efficiency emulsion flat-bed filter, comprising a flat bed, a filter tank and a circulating chain provided in the flat bed, the circulating chain being connected with a driving mechanism, a part of the circulating chain passing above the filter tank, a filter paper roll being provided on one side of the flat bed, a filter paper recovery barrel being provided on the other side of the flat bed, the filter paper being driven by the circulating chain, characterized in that: The side wall of the flat bed is provided with a sealing strip corresponding to the filter paper, the sealing strip is in contact with the upper surface of the filter paper, and the filter paper and the sealing strip separate the filter tank into an upper cavity and a lower cavity. ​ 2. The high-efficiency emulsion flat-bed filter of claim 1, wherein: An upper end of the flat bed is provided with a liquid inlet, and a flow distribution groove is arranged below the liquid inlet.

3. The high efficiency emulsion flat bed filter of claim 1 wherein: The lower cavity is provided with a pressure sensor, and the pressure sensor is signal-connected with the driving mechanism.

4. The high efficiency emulsion flat bed filter of claim 3 wherein: The upper cavity is provided with a liquid level meter, the liquid level meter is used for detecting the liquid surface height of the emulsion in the upper cavity, and the liquid level meter is signal-connected with the driving mechanism.

5. The high efficiency emulsion flat bed filter of claim 1 wherein: A compression roller is arranged on one side of the flat bed and used for compressing the filter paper to reduce the rolling oil loss during start-up.

6. The high efficiency emulsion flat bed filter of claim 1 wherein: The sealing strip is installed on the side wall of the flat bed through a pressing plate, the side wall of the flat bed is provided with a fixed support, a clamping plate is arranged on the fixed support, the pressing plate is arranged between the clamping plate and the fixed support, and bolts are arranged on the clamping plate to press the pressing plate.

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