CN217409912U - Draw and use piston backflow filter equipment - Google Patents

Abstract

The utility model discloses a draw and use piston backflow filter device, include: filter the barrel, filter equipment, gaseous scarfing cinder device, the lower part of filtering the barrel sets up inlet and filtrating leakage fluid dram, the upper portion of filtering the barrel sets up back the liquid mouth, gaseous scarfing cinder device sets up in the bottom of filtering the barrel, and gaseous scarfing cinder device and filtration barrel intercommunication, filter equipment sets up in the cartridge filter, the inlet passes through the feed liquor pipe and is connected with the jar of drawing, it is connected with the jar of drawing through returning the liquid pipe to return the liquid mouth, the feed liquor pipe sets up the feed liquor valve, it sets up back the liquid valve to return the liquid pipe, the filtrating leakage fluid dram sets up the leakage fluid valve, the bottom of filtering the barrel sets up row's cinder notch. This filter residue through gaseous scarfing cinder device to filter equipment clears up, and operating personnel need not to contact the extract, need not to get into abominable operation environment and can accomplish the scarfing cinder, finishes the back at all operations, can rinse the cartridge filter internal through the clear water, has promoted the security of scarfing cinder operation.

Description

Draw and use piston backflow filter equipment

Technical Field

The utility model relates to a filter equipment technical field, more specifically say, relate to a draw and use piston backflow filter equipment.

Background

The quick-opening slag discharging door at the bottom of the lower slag discharging type extraction tank in the common process operation is provided with a filter screen, liquid medicine flows out from the filter screen at the bottom after extraction is finished, the filter screen generally adopts thicker and thicker filter screens for shortening liquid discharging time and prolonging the service life of the filter screen, and the filtering precision of the extracting solution is controlled by a secondary filter.

The secondary filter adopts a duplex structure more to meet the requirement of cleaning filter residues without stopping, the aim of stopping the liquid outlet process is fulfilled by increasing the filtering area and the residue containing space, the residue removal in the process needs manual intervention, and because the temperature of the extracting solution is high and steam is diffused, when the extracting solution is extracted by using organic solvents such as alcohol, the residue removal operation environment is severe, the treatment of the filter residues is inconvenient and potential safety hazards exist.

In summary, how to solve the problems of inconvenience and potential safety hazard of manual slag removal operation is a problem to be solved urgently by those skilled in the art at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a draw and use piston backward flow filter equipment, promoted the security of scarfing cinder.

In order to achieve the above object, the present invention provides the following technical solutions:

an extraction piston type backflow filter device comprising: filter barrel, filter equipment, gaseous scarfing cinder device, the lower part of filtering the barrel sets up inlet and filtrating leakage fluid dram, the upper portion of filtering the barrel sets up back the liquid mouth, gaseous scarfing cinder device set up in the bottom of filtering the barrel, just gaseous scarfing cinder device with filter the barrel intercommunication, filter equipment set up in the cartridge filter, the inlet passes through the feed liquor pipe and draws a jar and be connected, it is connected with drawing a jar through returning the liquid pipe to return the liquid mouth, the feed liquor pipe sets up the feed liquor valve, it sets up back the liquid valve to return the liquid pipe, the filtrating leakage fluid dram sets up the leakage fluid valve, the bottom of filtering the barrel sets up row's cinder notch.

Preferably, the gas slag removal device comprises an air vent device, a vent pipe and a filter core, the air vent device is connected with the bottom opening of the vent pipe, the filter core is arranged at the upper opening of the vent pipe, and the vent pipe is arranged in the filter device.

Preferably, the bottom of the vent pipe is also provided with a slag removal port.

Preferably, the device further comprises a control system, a pressure port is arranged at the top of the filtering cylinder body, a piston valve is arranged at the pressure port, and the piston valve, the liquid inlet valve, the liquid return valve, the liquid discharge valve and the gas slag removal device are in signal connection with the control system.

Preferably, the filtering device is a filter screen.

Preferably, a pipeline visual cup is arranged on the liquid return pipe between the liquid return valve and the liquid return port.

When filtering, open feed liquor valve and flowing back valve, close the liquid return valve, liquid in the liquid storage pot gets into the filter cylinder body by the feed liquor pipe, becomes clean filtrating after filter equipment's filtration, and filtrating discharges through the filtrating leakage fluid dram, and slag discharging port and gaseous scarfing cinder device are all closed this moment.

When the filter residue adhered to the filtering device is excessive, the liquid discharge valve is closed, the liquid return valve is opened, and the liquid in the liquid storage tank enters the filtering cylinder body through the liquid inlet pipe and then flows back to the liquid storage tank through the liquid return pipe; and opening the gas slag removal device, introducing gas into the filtering cylinder, and returning filter residues on the filtering device to the liquid storage tank along with the flow of the liquid so as to achieve the effect of cleaning the filtering device.

After all liquid filtering operations are finished, discharging the liquid in the filter cylinder body, introducing clean water into the filter cylinder body for cleaning, and discharging the cleaning liquid from a slag discharge port.

The application provides an extract and clear up filter equipment's filter residue with piston backward flow filter equipment through gaseous scarfing cinder device, and operating personnel need not to contact the extract, need not to get into abominable operation environment and can accomplish the scarfing cinder, finishes the back at all operations, can wash the cartridge filter internal through the clear water, has promoted the security of scarfing cinder operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of the piston-type backflow filtering device for extraction provided by the present invention.

In fig. 1:

1-liquid return port, 2-liquid inlet, 3-filtering device, 4-filtrate liquid outlet, 5-slag discharge port, 6-gas inlet, 7-spit filter element, 8-slag removal port, 9-piston valve, 10-filtering cylinder, 11-liquid return valve, 12-liquid inlet valve, 13-liquid discharge valve, 14-filtrate pipe, 15-liquid return pipe and 16-pipeline visual cup.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a draw and use piston backflow filtering device, promoted the security of scarfing cinder.

Referring to fig. 1, a piston type backflow filtering device for extraction includes: filter barrel 10, filter equipment 3, gaseous scarfing cinder device, the lower part of filtering barrel 10 sets up inlet 2 and filtrating leakage fluid dram 4, the upper portion of filtering barrel 10 sets up back liquid mouth 1, gaseous scarfing cinder device sets up in the bottom of filtering barrel 10, and gaseous scarfing cinder device and filtering barrel 10 intercommunication, filter equipment 3 sets up in filtering barrel 10, inlet 2 is connected with the extraction tank through the feed liquor pipe, it is connected with the extraction tank through returning liquid pipe 15 to return liquid mouth 1, the feed liquor pipe sets up feed liquor valve 12, it sets up back liquid valve 11 to return liquid pipe 15, filtrating leakage fluid dram 4 sets up liquid discharge valve 13, the bottom of filtering barrel 10 sets up row's slag hole 5.

It should be noted that the filtering device 3 is used for filtering the solution input into the filtering cylinder 10 from the extracting tank, the gas slag removing device is used for introducing gas into the filtering cylinder 10, and the gas can drive the filter residue on the filtering device 3 to drop through the filtering device 3. The filtrate discharge port 4 is connected to a filtrate pipe 14, and the discharge valve 13 is provided on the filtrate pipe 14.

When filtering, open feed liquor valve 12 and flowing back liquid valve 13, close liquid return valve 11, liquid in the liquid storage pot gets into through the feed liquor pipe and filters barrel 10, and liquid becomes clean filtrating after filter equipment 3 filters, and filtrating discharges through filtrating leakage fluid dram 4, and slag discharging opening 5 and the clear sediment device of gas are all closed this moment.

When the filter residue adhered to the filter device 3 is excessive, the liquid discharge valve 13 is closed, the liquid return valve 11 is opened, and the liquid in the liquid storage tank enters the filter cylinder 10 through the liquid inlet pipe and then flows back to the liquid storage tank through the liquid return pipe 15; and opening the gas slag removal device, introducing gas into the filtering cylinder 10, and returning filter residues on the filtering device 3 to the liquid storage tank along with the flow of the liquid so as to achieve the effect of cleaning the filtering device 3.

After all liquid filtering operations are finished, discharging the liquid in the filtering cylinder 10, introducing clean water into the filtering cylinder for cleaning, and discharging the cleaning liquid from the slag discharging port 5.

The application provides an extract and clear up with piston backward flow filter equipment through gaseous scarfing cinder device filter residue to filter equipment 3, and operating personnel need not to contact the extract, need not to get into abominable operation environment and can accomplish the scarfing cinder, finishes the back at all operations, can wash in filtering barrel 10 through the clear water, has promoted the security of scarfing cinder operation.

In addition to the above embodiments, it is further preferable that the gas slag removal device includes an air vent device, a vent pipe, and a spitting filter element 7, the air vent device is connected to a bottom opening of the vent pipe, the spitting filter element 7 is provided at an upper opening of the vent pipe, and the vent pipe is provided in the filter device 3. The lower side of the breather pipe is provided with a gas inlet 6, and the breather device is connected with the gas inlet 6. In order to achieve a better slag removal effect, the ventilating device is used for introducing compressed gas into the filtering cylinder 10, the pressure of the compressed gas is high, and the cleaning effect is good. The filter core 7 can prevent filter residues from entering along the vent pipe, and liquid in the filter cylinder 10 can be prevented from entering the ventilation device along the vent pipe under the action of gas in the vent pipe.

In addition to the above embodiments, as a further preference, a slag removal port 8 is further provided at the bottom of the vent pipe. After the operation is finished, filter residues adsorbed by the spit filter element 7 need to be cleaned, clear water is introduced into the filter cylinder 10, the residue cleaning port 8 is opened, and cleaning liquid enters the vent pipe from the spit filter element 7 and flows out from the residue cleaning port 8 so as to clean the spit filter element 7.

On the basis of the above embodiment, as a further preferred, the device further comprises a control system, wherein the top of the filtering cylinder 10 is provided with a pressure port, the pressure port is provided with a piston valve 9, and the piston valve 9, the liquid inlet valve 12, the liquid return valve 11, the liquid discharge valve 13 and the gas slag removal device are in signal connection with the control system. In order to realize automatic control, when filter residues in the filtering cylinder body 10 are more, larger pressure is generated and transmitted to the piston valve 9, the piston valve 9 is opened to transmit a signal to the control system, the control system controls the liquid return valve 11 to be opened, the liquid discharge valve 13 is closed, and the gas slag removal device is opened to realize automatic slag removal.

In addition to the above embodiments, the filtering device 3 is preferably a filter net. The filter screen is a cylindrical net structure and is coaxial with the filter cylinder body 10 so as to filter the filter residue.

In addition to the above embodiments, it is further preferable that a pipe sight cup 16 is provided on the liquid return pipe 15 between the liquid return valve 11 and the liquid return port 1. The condition that gas and filter residue flow simultaneously can be checked through the pipeline visual cup 16 so as to know the slag removal progress.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides an extract and carried out detailed introduction with piston backflow filter device. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.

Claims (6)

1. A piston type backflow filtering device for extraction is characterized by comprising: a filtering cylinder (10), a filtering device (3) and a gas slag removal device, wherein the lower part of the filtering cylinder (10) is provided with a liquid inlet (2) and a filtrate liquid outlet (4), the upper part of the filtering cylinder body (10) is provided with a liquid return port (1), the gas slag removal device is arranged at the bottom of the filtering cylinder body (10), the gas slag removal device is communicated with the filtering cylinder (10), the filtering device (3) is arranged in the filtering cylinder (10), the liquid inlet (2) is connected with the extraction tank through a liquid inlet pipe, the liquid return port (1) is connected with the extraction tank through a liquid return pipe (15), the liquid inlet pipe is provided with a liquid inlet valve (12), the liquid return pipe (15) is provided with a liquid return valve (11), the filtrate liquid outlet (4) is provided with a liquid outlet valve (13), and the bottom of the filtering cylinder body (10) is provided with a slag outlet (5).

2. The extraction piston backflow filter device according to claim 1, characterized in that the gas slag removal device comprises a venting device, a vent pipe and a spitting filter element (7), the venting device is connected with the bottom opening of the vent pipe, the spitting filter element (7) is arranged at the upper opening of the vent pipe, and the vent pipe is arranged in the filter device (3).

3. The extraction piston backflow filter device according to claim 2, characterized in that the bottom of the vent pipe is further provided with a slag removal opening (8).

4. The piston-type backflow filter device for extraction according to claim 1, further comprising a control system, wherein a pressure port is arranged at the top of the filtering cylinder (10), a piston valve (9) is arranged at the pressure port, and the piston valve (9), the liquid inlet valve (12), the liquid return valve (11), the liquid discharge valve (13) and the gas slag removal device are all in signal connection with the control system.

5. The extraction piston return filter according to claim 1, characterized in that the filter means (3) is a filter screen.

6. The extraction piston-type backflow filter device according to claim 1, characterized in that a duct sight cup (16) is arranged on the backflow pipe (15) between the backflow valve (11) and the backflow port (1).

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