阅读说明：本技术 一种无泵喷淋装置及其使用方法 (Pump-free spraying device and using method thereof ) 是由 江国强 张劲 延兴鑫 王金柱 于 2020-04-27 设计创作，主要内容包括：本发明公开了一种无泵喷淋装置,涉及烛式过滤装置技术领域,包括烛式过滤器筒体和用于输送烛式过滤器筒体内部残液的排液管路,排液管路上依次设置有排液阀、三通件和喷淋阀,喷淋阀的一端连接有喷淋管路,喷淋管路的一端位于烛式过滤器筒体的内侧,且喷淋管路的一端固定有喷淋头。本发明使用了压缩气体作为残液的输送动力,相比采用泵提供输送动力,避免了“有泵喷淋”的泵卡死、干烧的风险,压缩气体平稳输送残液,不会产生气泡,优化了喷淋效果。另外残液缓存罐制作简单,表面防腐处理容易,相比耐腐蚀性强的适用的泵价格低廉,节约成本。(The invention discloses a pumpless spraying device, which relates to the technical field of candle type filtering devices and comprises a candle type filter cylinder body and a liquid discharge pipeline used for conveying residual liquid in the candle type filter cylinder body, wherein a liquid discharge valve, a three-way part and a spraying valve are sequentially arranged on the liquid discharge pipeline, one end of the spraying valve is connected with a spraying pipeline, one end of the spraying pipeline is positioned at the inner side of the candle type filter cylinder body, and a spraying head is fixed at one end of the spraying pipeline. The invention uses the compressed gas as the conveying power of the residual liquid, and compared with the conveying power provided by a pump, the invention avoids the risks of dead locking and dry burning of the pump with pump spraying, the compressed gas stably conveys the residual liquid without generating bubbles, and the spraying effect is optimized. In addition, the residual liquid buffer tank is simple to manufacture, the surface is easy to perform antiseptic treatment, and compared with an applicable pump with strong corrosion resistance, the residual liquid buffer tank is low in price and saves cost.)

1. The utility model provides a no pump spray set which characterized in that: the candle-type filter device comprises a candle-type filter cylinder body (22) and a liquid discharge pipeline (19) used for conveying residual liquid in the candle-type filter cylinder body (22), wherein a liquid discharge valve (10), a three-way part (20) and a spray valve (12) are sequentially arranged on the liquid discharge pipeline (19), one end of the spray valve (12) is connected with a spray pipeline (17), one end of the spray pipeline (17) is positioned on the inner side of the candle-type filter cylinder body (22), and a spray head (1) is fixed at one end of the spray pipeline (17);

the inlet end of the residual liquid buffer tank (13) is connected with the top end of the three-way piece (20), and the residual liquid buffer tank (13) is used for receiving residual liquid from the interior of the candle filter cylinder (22);

the air compressor (3), the air compressor (3) is used for conveying compressed gas to the raffinate buffer tank (13) and the inside of the candle filter cylinder (22);

strain candle (8), strain candle (8) and set up the inside of candle filter barrel (22), the inboard of straining candle (8) is equipped with clear liquid siphunculus (16), clear liquid siphunculus (16) top is run through has clear liquid collection pipe (15), the one end of clear liquid collection pipe (15) is connected with clear liquid jar (23), just clear liquid collection pipe (15) with be provided with clear liquid valve (18) between clear liquid jar (23).

2. The pumpless spray system of claim 1, further comprising: air compressor machine (3) with be connected with first gas pipe (301) between raffinate buffer memory jar (13), just be provided with second admission valve (6) on first gas pipe (301), air compressor machine (3) with be connected with second gas pipe (302) between candle filter barrel (22), just be provided with first admission valve (2) on second gas pipe (302).

3. The pumpless spray device of claim 2, wherein: still be provided with on first gas-supply pipe (301) and be used for adjusting governing valve (5) of compressed air intake speed, governing valve (5) are located air compressor machine (3) with between second admission valve (6).

4. The pumpless spray system of claim 1, further comprising: the top of raffinate buffer tank (13) still is provided with first blast pipe (141), be provided with first exhaust valve (14) on first blast pipe (141).

5. The pumpless spray system of claim 1, further comprising: the filter cake layer (7) is wrapped on the outer side of the filter candle (8), a second exhaust pipe (24) is further arranged at the top of the clear liquid tank (23), and a second exhaust valve (25) is arranged on the second exhaust pipe (24).

6. The pumpless spray system of claim 1, further comprising: the side of straining candle (8) is run through there is the through-hole, just clear liquid siphunculus (16) are located strain the center of candle (8), just the bottom of clear liquid siphunculus (16) with strain the inboard bottom of candle (8) and leave the space.

7. The application method of the pump-free spraying device comprises the following steps:

the spray valve (11), the second air inlet valve (6) and the clear liquid valve (18) are in a closed state;

the first exhaust valve (14), the drain valve (10) and the second exhaust valve (25) are in an open state;

opening a first air inlet valve (2), starting an air compressor (3), inputting compressed gas into a candle filter cylinder body (22) through a second air conveying pipe (302), continuously inputting the compressed gas, injecting residual liquid at the bottom in the candle filter cylinder body (22) into a liquid discharge pipeline (19) and sequentially passing through a liquid discharge valve (10) and a three-way piece (20), when the residual liquid passes through the three-way piece (20), enabling the residual liquid to upwards flow into a residual liquid cache tank (13) from the three-way piece (20), and enabling the residual liquid to stably rise from the bottom inlet end of the residual liquid cache tank (13) from bottom to top;

after the working procedure that the residual liquid at the bottom in the candle filter cylinder body (22) is pressed to the residual liquid cache tank (13) is completed, the liquid discharge valve (10) and the first gas discharge valve (14) are closed;

opening a second air inlet valve (6), a spray valve (12) and a clear liquid valve (18);

compressed gas generated by the air compressor (3) enters the residual liquid cache tank (13) through the first gas pipe (301), so that residual liquid in the residual liquid cache tank (13) flows to the top of the candle filter cylinder (22) through the three-way piece (20), the spray valve (12) and the spray pipeline (17) in sequence and is dispersed by the spray header (1);

the compressed gas in the candle filter cylinder (22) carries the dispersed residual liquid to move to the filter cake layer (7), the solid impurities in the residual liquid are intercepted on the filter cake layer (7), the clear liquid separated by filtration flows to the clear liquid collecting pipe (15) through the clear liquid through pipe (16) in the filter candle (8) by the compressed gas penetrating through the filter cake layer (7) and finally flows to the clear liquid tank (23);

the compressed gas in the clear liquid tank (23) is discharged through a second gas discharge pipe (24).

8. The method of using a pumpless spray device of claim 7, further comprising: the spraying treatment effect can be optimized by presetting the opening degree of the regulating valve (5) to regulate the air inlet speed of the compressed gas of the residual liquid cache tank (13) according to residual liquids with different viscosities, densities and fixed contents.

9. The pumpless spray system as recited in claim 8, wherein said first intake valve (2), said control valve (5), said second intake valve (6), said drain valve (10), said spray valve (12), said first drain valve (14), said clear liquid valve (18), and said second drain valve (25) are controlled by P L C.

Technical Field

The invention relates to the technical field of candle type filtering devices, in particular to a pumpless spraying device and a using method thereof.

Background

The existing candle filter and the filter which adopts spraying to treat the residual liquid (the residual liquid is generally a solid-liquid mixture) at the bottom of the filter are both pumped by a delivery pump during spraying filtration, the residual liquid at the bottom of the filter is delivered to the top of the filter to be dispersed by a spray head (a part for physically dispersing the solid-liquid mixture), and meanwhile, compressed gas is introduced into the filter.

The traditional 'pump spraying' delivery pump generally adopts a motor as power, some materials with strong corrosivity are treated in places with strict explosion-proof requirements, a proper pump is selected to be expensive, and risks of blocking, dry burning and the like often exist when the pump delivers residual liquid at the bottom of a filter, so that the use cost is greatly increased.

Disclosure of Invention

The invention mainly aims to provide a pump-free spraying device and a using method thereof, which can reduce the treatment cost of residual liquid in a candle filter.

The purpose of the invention can be achieved by adopting the following technical scheme:

a pumpless spray device comprises a candle filter cylinder and a liquid discharge pipeline used for conveying residual liquid in the candle filter cylinder, wherein a liquid discharge valve, a three-way piece and a spray valve are sequentially arranged on the liquid discharge pipeline, one end of the spray valve is connected with a spray pipeline, one end of the spray pipeline is positioned on the inner side of the candle filter cylinder, and a spray head is fixed at one end of the spray pipeline;

the inlet end of the residual liquid cache tank is connected with the top end of the three-way piece, and the residual liquid cache tank is used for receiving residual liquid from the interior of the candle filter cylinder;

the air compressor is used for conveying compressed air to the residual liquid cache tank and the interior of the candle filter cylinder body;

the candle, the setting of filter candle is in the inside of candle filter barrel, the inboard of filter candle is equipped with the clear liquid siphunculus, the top of clear liquid siphunculus is run through there is clear liquid header, the one end of clear liquid header is connected with the clear liquid jar, just the clear liquid header with be provided with the clear liquid valve between the clear liquid jar.

Preferably, the air compressor machine with be connected with first gas-supply pipe between the raffinate buffer memory jar, just be provided with the second admission valve on the first gas-supply pipe, the air compressor machine with be connected with the second gas-supply pipe between the candle filter barrel, just be provided with first admission valve on the second gas-supply pipe.

Preferably, the first air delivery pipe is further provided with an adjusting valve for adjusting the air inlet speed of the compressed air, and the adjusting valve is located between the air compressor and the second air inlet valve.

Preferably, the top of raffinate buffer tank still is provided with first blast pipe, be provided with first exhaust valve on the first blast pipe.

Preferably, the cake layer is wrapped up in the outside of filter candle, the clear solution tank top still is provided with the second blast pipe, be provided with the second discharge valve on the second blast pipe.

Preferably, the side of straining the candle is run through there is the through-hole, just the clear liquid siphunculus is located strain the center of candle, just the bottom of clear liquid siphunculus with strain the inboard bottom of candle and leave the space.

The application method of the pump-free spraying device comprises the following steps:

the spraying valve, the second air inlet valve and the clear liquid valve are in a closed state;

enabling the first exhaust valve, the drain valve and the second exhaust valve to be in an open state;

opening a first air inlet valve, starting an air compressor, inputting compressed gas into the candle filter cylinder through a second air delivery pipe, injecting residual liquid at the bottom in the candle filter cylinder into a liquid discharge pipeline and sequentially passing through a liquid discharge valve and a three-way piece after the compressed gas is continuously input, enabling the residual liquid to flow upwards into a residual liquid cache tank from the three-way piece when the residual liquid passes through the three-way piece, and enabling the residual liquid to stably rise from bottom to top from the bottom inlet end of the residual liquid cache tank;

after the working procedure that the residual liquid at the bottom in the candle filter cylinder body is pressed to the residual liquid cache tank is completed, closing the liquid discharge valve and the first gas discharge valve;

opening a second air inlet valve, a spray valve and a clear liquid valve;

compressed gas generated by the air compressor enters the residual liquid cache tank through the first gas transmission pipe, so that residual liquid in the residual liquid cache tank flows to the top of the candle filter cylinder through the three-way piece, the spray valve and the spray pipeline in sequence and is dispersed by the spray head;

compressed gas in the candle filter cylinder drives dispersed residual liquid to move to a filter cake layer, solid impurities in the residual liquid are intercepted on the filter cake layer, and clear liquid separated by filtration flows to a clear liquid collecting pipe by the compressed gas penetrating through the filter cake layer and driving a clear liquid through pipe in the filter candle to flow to a clear liquid tank finally;

and the compressed gas in the clear liquid tank is discharged through a second exhaust pipe.

Preferably, the spraying treatment effect can be optimized by presetting the opening of the regulating valve to regulate the air inlet speed of the compressed gas of the residual liquid cache tank according to residual liquids with different viscosities, densities and fixed contents.

Preferably, the first intake valve, the control valve, the second intake valve, the drain valve, the shower valve, the first exhaust valve, the clear liquid valve, and the second exhaust valve are controlled by P L C.

The invention has the beneficial technical effects that:

the invention uses the compressed gas as the conveying power of the residual liquid, and compared with the conveying power provided by a pump, the invention avoids the risks of dead locking and dry burning of the pump with pump spraying, the compressed gas stably conveys the residual liquid without generating bubbles, and the spraying effect is optimized. In addition, the residual liquid buffer tank is simple to manufacture, the surface is easy to perform antiseptic treatment, and compared with an applicable pump with strong corrosion resistance, the residual liquid buffer tank is low in price and saves cost.

Drawings

FIG. 1 is a schematic cross-sectional view of a candle filter cartridge in accordance with an embodiment of the invention;

FIG. 2 is a schematic cross-sectional view of a filter candle according to an embodiment of the present invention.

In the figure: 1-a spray header, 2-a first air inlet valve, 3-an air compressor, 301-a first air inlet pipe, 302-a second air inlet pipe, 5-a regulating valve, 6-a second air inlet valve, 7-a cake filtering layer, 8-a filter candle, 10-a liquid discharge valve, 12-a spray valve, 13-a residual liquid buffer tank, 14-a first air discharge valve, 141-a first air discharge pipe, 15-a clear liquid collecting pipe, 16-a clear liquid through pipe, 17-a spray pipe, 18-a clear liquid valve, 19-a liquid discharge pipe, 20-a tee joint piece, 22-a candle filter cylinder body, 23-a clear liquid tank, 24-a second air discharge pipe and 25-a second air discharge valve.

Detailed Description

In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-2, the pumpless spray device and the method of using the same according to the present embodiment includes a candle filter cylinder 22 and a liquid discharge pipe 19 for conveying a residual liquid inside the candle filter cylinder 22, where a residual liquid input end of the liquid discharge pipe 19 is located at an inner bottom of the candle filter cylinder 22, and the residual liquid at the inner bottom of the candle filter cylinder 22 can be discharged, the liquid discharge pipe 19 is sequentially provided with a liquid discharge valve 10, a three-way member 20, and a spray valve 12, one end of the spray valve 12 is connected with a spray pipe 17, the other end of the spray valve 12 is connected with the other end of the liquid discharge pipe 19, one end of the spray pipe 17 is located at an inner top side of the candle filter cylinder 22, and one end of the spray pipe 17 is fixed with a spray head 1, a spray nozzle of the spray head 1 faces downward, and the spray head 1 can spray the;

the inlet end of the residual liquid cache tank 13 is connected with the top end of the three-way piece 20, the residual liquid cache tank 13 is positioned above the three-way piece 20, the residual liquid can smoothly and stably rise from bottom to top without generating bubbles, and the residual liquid cache tank 13 is used for receiving the residual liquid from the interior of the candle filter cylinder 22;

and the air compressor 3 are used for conveying compressed gas to the residual liquid cache tank 13 and the inside of the candle filter cylinder 22, and giving corresponding internal residual liquid pressure to discharge residual liquid.

In this embodiment, as shown in fig. 1, a first air pipe 301 is connected between the air compressor 3 and the residual liquid buffer tank 13, a second air inlet valve 6 is arranged on the first air pipe 301, a second air pipe 302 is connected between the air compressor 3 and the candle filter cylinder 22, a first air inlet valve 2 is arranged on the second air pipe 302, and the direction of the compressed air is determined by controlling the first air inlet valve 2 and the second air inlet valve 6.

In this embodiment, as shown in fig. 1, the first gas pipe 301 is further provided with an adjusting valve 5 for adjusting the gas inlet speed of the compressed gas, the adjusting valve 5 is located between the air compressor 3 and the second gas inlet valve 6, and the gas inlet speed of the compressed gas in the residual liquid buffer tank 13 can be adjusted to optimize the spraying effect by presetting the opening degree of the adjusting valve 5 according to residual liquids with different viscosities, densities and different fixed contents.

In this embodiment, as shown in fig. 1, a first exhaust pipe 141 is further disposed at the top of the residual liquid buffer tank 13, and in order to enable gas in the residual liquid buffer tank 13 to be smoothly discharged when residual liquid enters the residual liquid buffer tank, a first exhaust valve 14 is disposed on the first exhaust pipe 141, so as to facilitate opening or closing of the first exhaust pipe 141.

In this embodiment, as shown in fig. 1, a candle 8 is disposed inside a candle filter cylinder 22, the candle 8 is a cylindrical structure, a cake layer 7 is wrapped outside the candle 8, a filter cloth is sleeved outside the candle 8, when residual liquid mist passes through the filter cloth, solid matters in the residual liquid mist are gradually accumulated on the surface of the filter cloth, when the solid matters reach a certain thickness, "the cake layer 7" is formed, which can achieve a filtering effect, a clear liquid through pipe 16 is disposed inside the candle 8, a clear liquid collecting pipe 15 penetrates through the top end of the clear liquid through pipe 16, one end of the clear liquid collecting pipe 15 is connected with a clear liquid tank 23, a clear liquid valve 18 is connected between the clear liquid collecting pipe 15 and the clear liquid tank 23, a second exhaust pipe 24 is further disposed on the top of the clear liquid tank 23, and a second exhaust valve 25 is disposed on the second exhaust pipe 24.

In this embodiment, as shown in fig. 1, a through hole penetrates through a side surface of the filter candle 8, the clear liquid through pipe 16 is located at the center of the filter candle 8, and a space is left between the bottom end of the clear liquid through pipe 16 and the inner bottom end of the filter candle 8 for facilitating the upward flow of gas.

In the present embodiment, the shower valve 11, the second intake valve 6, and the clear liquid valve 18 are first brought into a closed state;

then, first exhaust valve 14, drain valve 10, and second exhaust valve 25 are opened;

opening the first air inlet valve 2, starting the air compressor 3, inputting compressed gas into the candle filter cylinder 22 through the second air delivery pipe 302, after the compressed gas is continuously input, injecting residual liquid at the bottom in the candle filter cylinder 22 into the liquid discharge pipeline 19 and sequentially passing through the liquid discharge valve 10 and the three-way piece 20, when the residual liquid passes through the three-way piece 20, enabling the residual liquid to flow upwards into the residual liquid cache tank 13 from the three-way piece 20, and enabling the residual liquid to stably rise from bottom to top from the bottom inlet end of the residual liquid cache tank 13;

after the working procedure that the residual liquid at the bottom in the candle filter cylinder body 22 is pressed to the residual liquid cache tank 13 is completed, the liquid discharge valve 10 and the first gas discharge valve 14 are closed;

opening the second air inlet valve 6, the spray valve 12 and the clear liquid valve 18;

compressed gas generated by the air compressor 3 enters the residual liquid cache tank 13 through the first gas transmission pipe 301, so that residual liquid in the residual liquid cache tank 13 flows to the top of the candle filter cylinder 22 through the three-way piece 20, the spray valve 12 and the spray pipeline 17 in sequence and is dispersed by the spray header 1;

the compressed gas in the candle filter cylinder 22 carries the dispersed residual liquid to move to the cake layer 7, solid impurities in the residual liquid are intercepted on the cake layer 7, the filtered and separated clear liquid fog is carried by the compressed gas penetrating through the cake layer 7 to flow to the clear liquid collecting pipe 15 through the clear liquid through pipe 16 in the filter candle 8, the filtered clear liquid fog enters the inner side of the filter candle 8 along with the compressed gas, flows to the bottom of the inner side of the filter candle 8 along with the gas, and after touching the inner bottom end of the filter candle 8, the gas can reversely rise, rises through the bottom end opening of the clear liquid through pipe 16 to the top end opening of the clear liquid through pipe 16 to reach the clear liquid collecting pipe 15, and finally flows to the clear liquid tank 23;

the gas in the clear liquid tank 23 is discharged through the second gas discharge pipe 24.

In the embodiment, the first air inlet valve 2, the regulating valve 5, the second air inlet valve 6, the liquid discharge valve 10, the shower valve 12, the first air discharge valve 14, the clear liquid valve 18 and the second air discharge valve 25 can be controlled by a P L C control cabinet, so that the operation is convenient.

To sum up, in this embodiment, compressed gas has been used as the power of carrying of raffinate to this embodiment, compares and adopts the pump to provide power of carrying, has avoided the risk that "there is the pump to spray the pump card of" dying, dry combustion method, and compressed gas steadily carries the raffinate, can not produce the bubble, has optimized the effect of spraying. In addition, the residual liquid buffer tank 13 is simple to manufacture, easy in surface corrosion prevention treatment, low in price compared with an applicable pump with strong corrosion resistance, and cost is saved.

The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.