CN103520971B - A kind of solid-liquid filtration device - Google Patents

Abstract

The invention discloses a solid-liquid filtering device, which is characterized in that it includes a frame body (22) with a tray device inside, and an automatic cleaning machine that can provide two cleaning liquids for cleaning is also connected to the frame body (22). cleaning device. The present invention is not only simple in structure, but also low in cost. There is a tray device inside the frame body, and the filter funnel, connecting pipe and receiving container can be fixed on the tray device to facilitate filtering; the frame body is also connected There is an automatic cleaning device that can provide two kinds of cleaning liquids for cleaning, so that the present invention can realize automatic cleaning by exchanging the two kinds of cleaning liquids, thereby reducing labor intensity and improving working efficiency, so it is suitable for popularization and use.

Description

A solid-liquid filtration device

technical field

The invention relates to a filter device, in particular to a solid-liquid filter device.

Background technique

At present, although the degree of automation of chemical analysis instruments at home and abroad is constantly improving, the solid-liquid filtration process in the sample processing process still uses a relatively primitive method. When the filtration workload is large, the limitations of the original filtration device appear one by one. , such as high labor intensity, poor safety, and low operating efficiency.

Contents of the invention

The purpose of the present invention is to overcome the defects of high labor intensity and low operating efficiency of the original filtering device currently used in the process of use, and provide a filter that is not only simple in structure, but also low in cost, can effectively improve operating efficiency, and can automatically clean solid-liquid filtration device.

The purpose of the invention is achieved through the following technical solutions:

A solid-liquid filtering device is characterized in that it includes a frame body with a tray device inside, and an automatic cleaning device that can provide two kinds of cleaning liquids for cleaning is also connected to the frame body.

Further, the frame body is a semi-closed structure with a cavity inside and an opening, and a door body that closes the opening is provided at the opening of the frame body; the tray device is connected by a rotatable support column on the frame.

In order to facilitate the fixing of the funnel and the receiving container, the tray device includes a receiving container tray, a receiving container placing plate, a connecting pipe fixing plate and a funnel tray which are sequentially arranged on the supporting column and can move up and down along the supporting column.

In order to facilitate cleaning, the receiving container tray, the receiving container placing tray, the connecting pipe fixing tray and the funnel tray are all made of screen mesh.

At the same time, the top of the support column extends to the outside of the frame, and a handle for rotating the support column is also provided on the top of the support column.

Still further, the automatic cleaning device includes a storage tank with a drain pipe with a drain valve connected to an air intake pipe, a pneumatic cylinder device connected to the intake pipe to provide gas pressure to the storage tank, and on the air cylinder device The water inlet pipe and the water outlet pipe are also connected; the water outlet pipe and the liquid discharge pipe are respectively provided with spray heads which are both connected to the frame body and located inside the frame body.

The pneumatic cylinder device includes a pneumatic cylinder body, a partition that is arranged on the pneumatic cylinder body and divides the pneumatic cylinder body into an air pressure chamber and a water pressure chamber; the water inlet pipe and the water outlet pipe are connected with the water pressure chamber, and the The air intake pipe communicates with the air pressure chamber; a piston device connected to the partition is also provided inside the air cylinder body, and air inlets connected with the air pressure chamber are respectively provided on the side walls of the air cylinder body. port and the exhaust port connected with the hydraulic chamber.

In order to meet the needs, the piston device includes a piston rod that is connected to the partition and can slide up and down along the partition, an air pressure piston and a hydraulic piston respectively arranged on the piston rod; the air pressure piston is arranged in the air pressure chamber, so The hydraulic piston is arranged in the hydraulic chamber.

In order to better realize the present invention, the air inlet is arranged at the bottom of the air pressure chamber, a one-way air intake valve is also provided on the air pressure piston, and a one-way air outlet valve is provided on the air intake pipe.

In order to ensure the effect, a blower head connected with a fan is also provided inside the frame.

Compared with the prior art, the present invention has the following advantages and beneficial effects:

(1) The present invention is not only simple in structure, but also low in cost. A tray device is provided inside the frame body, and the funnel for filtering, connecting pipes and receiving containers can be fixed on the tray device to facilitate filtering; in the frame body It is also connected with an automatic cleaning device that can provide two kinds of cleaning liquids for cleaning, so that the present invention can realize the exchange of two kinds of cleaning liquids for automatic cleaning, thereby reducing labor intensity and improving work efficiency.

(2) The frame body of the present invention has a semi-closed structure with a cavity inside, and a door body closing the opening is provided at the opening of the frame body. When the door body is opened, the funnel, connecting pipe and receiving container can be conveniently placed Installed on the tray device and filtered; when the door is closed, it can be sealed to prevent the cleaning liquid from splashing out through the opening when the automatic cleaning device is used for cleaning. At the same time, the tray device is connected to the frame body through a rotatable support column, and the tray device can be rotated by rotating the support column, and the position of the tray device can be adjusted according to needs, so as to facilitate the installation of funnels, connecting pipes and receiving containers for filtering , It is also convenient to turn the funnel, connecting pipe and receiving container installed on the tray device under the cleaning liquid for more thorough cleaning.

(3) The tray device of the present invention includes a receiving container tray, a receiving container placement tray, a connecting pipe fixing tray, and a funnel tray arranged on the supporting column in sequence. The receiving container tray and the receiving container placement tray are used to place and fix the receiving container and the funnel. The tray is used to install the funnel, and the connecting pipe fixing plate is used to fix the connecting pipe connecting the funnel and the receiving container; the receiving container tray, the receiving container placing plate, the connecting pipe fixing plate and the funnel tray can all move up and down along the support column, In order to adjust the distance between the receiving container tray, the receiving container placing plate, the connecting tube fixing plate and the funnel tray according to the length of the connecting pipe, the size of the funnel and the size of the receiving container, and it is also convenient to adjust the receiving container tray, receiving container The funnel, the connecting pipe and the receiving container are installed and disassembled according to the distance between the plate, the connecting pipe fixing plate and the funnel tray.

(4) The receiving container tray, the receiving container placing tray, the connecting pipe fixing tray and the funnel tray of the present invention are all made of screen mesh for easy cleaning.

(5) The top of the support column of the present invention extends to the outside of the frame, and a handle for rotating the support column is provided on the top of the support column, so that the tray device can be rotated by rotating the handle.

(6) The cleaning liquid is stored in the storage tank of the present invention, and the cleaning liquid in the storage tank can be squeezed out through the pneumatic cylinder device and exported through the discharge pipe for cleaning, while the water inlet pipe connected to the pneumatic cylinder device can be used for cleaning. Tap water can be introduced and exported through the water outlet pipe for cleaning, so the present invention can realize automatic cleaning by exchanging two kinds of cleaning liquids.

(7) The clapboard of the present invention divides the air cylinder body into an air pressure chamber and a water pressure chamber, the water inlet pipe and the water outlet pipe communicate with the water pressure chamber, and a piston device connected with the clapboard is provided inside the air cylinder body, Therefore, tap water can be introduced into the water pressure chamber through the water inlet pipe to make the piston device move upwards and compress the air in the air pressure chamber, so that the gas pressure in the storage tank can be squeezed out for cleaning after the gas pressure in the storage tank is increased. The water outlet pipe can lead out the tap water in the water pressure chamber and use it for cleaning. Therefore, the air in the air pressure chamber can be compressed by the pressure of the water and the cleaning liquid can be squeezed out by introducing tap water into the water pressure chamber, thereby realizing the automatic cleaning of the present invention. the goal of.

(8) The piston device of the present invention includes a piston rod that is connected to the partition and can slide up and down along the partition. The piston rod is respectively provided with a pneumatic piston and a hydraulic piston, which can push the water pressure under the action of tap water pressure. The piston moves upwards, and the hydraulic piston drives the piston rod to move upwards. Under the action of the piston rod, it can drive the air pressure piston to move upwards and compress the air in the air pressure chamber, so that the gas pressure in the storage tank can be increased through the intake pipe, and then Squeeze out the cleaning fluid from the storage tank.

(9) The air inlet of the present invention is arranged at the bottom of the air pressure chamber, and a one-way air inlet valve is provided on the air pressure piston, so that air can be introduced into the air pressure chamber through the air inlet through the one-way air inlet valve, and at the same time, it can prevent The compressed high-pressure gas communicates with the outside air through the one-way inlet valve; and there is also a one-way outlet valve on the inlet pipe, which can prevent the high-pressure gas in the storage tank from falling when the hydraulic piston falls back. It is connected with the low-pressure gas in the air pressure chamber, so the gas pressure in the storage tank can be maintained, so that the cleaning liquid in the storage tank can be exported at any time under the action of the high-pressure gas in the storage tank for cleaning as required, so the use of the storage tank can be improved. The cleaning fluid in the cleaning flexibility.

(10) The frame body of the present invention is also provided with a blower head. When the fan connected to the blower head is working, the inside of the frame body can be dried through the blower head, and the next batch of filtering operations can be carried out after the funnel is air-dried and cleaned. Therefore, Can improve work efficiency.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the automatic cleaning device of the present invention.

Wherein, the names corresponding to the reference signs in the accompanying drawings are:

1—Water inlet pipe, 2—Water inlet valve, 3—Water pressure chamber, 4—Buffer spring, 5—Returning spring, 6—Water outlet pipe, 7—Pneumatic cylinder body, 8—Hydraulic piston, 9—Exhaust port , 10—air inlet, 11—baffle, 12—one-way intake valve, 13—pneumatic piston, 14—pressure chamber, 15—safety valve, 16—one-way outlet valve, 17—intake pipe, 18—row Liquid valve, 19—drain pipe, 20—storage tank, 21—piston rod, 22—frame body, 23—door body, 24—support column, 25—receiving container tray, 26—receiving container placement plate, 27—connection Tube fixing plate, 28—funnel tray, 29—handle, 30—sprinkler, 31—fan, 32—hair blower, 33—exhaust port, 34—liquid outlet, 35—base.

detailed description

Below in conjunction with embodiment the present invention is described in further detail:

Example

As shown in Figures 1 and 2, the solid-liquid filtration device of the present invention includes a frame body 22. The frame body 22 in this embodiment is cylindrical as a whole, and the frame body 22 may also be in other shapes. The frame body 22 has a cavity inside, and the cavity in this embodiment is also cylindrical as a whole. A base 35 is provided at the bottom of the frame body 22 , and an opening is provided on the side wall of the frame body 22 . The opening of the frame body 22 is provided with a door body 23 that closes the opening. The door body 23 can be connected to the frame body 22 through a hinge, or can be connected to the frame body 22 through a push-pull structure, or can be It is set independently from the frame body 22. When the door needs to be closed, the door body 23 is fastened to the opening of the frame body 22, and when the door needs to be opened, the door body 23 can be directly removed.

Inside the frame body 22 is provided a tray device for installing funnels, connecting pipes and receiving containers, and the tray device is connected to the frame body 22 through support columns 24 . The bottom end of the support column 24 is connected to the lower bottom surface of the frame body 22, the top end of the support column 24 penetrates the upper bottom surface of the frame body 22 and extends to the outside of the frame body 22, and the support column 24 can be opposite to the frame body 22. turn. In order to facilitate the rotation of the support column 24 , a handle 29 is also provided on the top of the support column 24 , as shown in FIG. 1 . The tray device includes a receiving container tray 25, a receiving container placing tray 26, a connecting pipe fixing tray 27 and a funnel tray 28 arranged on the supporting column 24 from bottom to top in sequence, and the receiving container is placed on the receiving container placing tray 26 and passed through The receiving container tray 25 is fixed, the funnel is installed on the funnel tray 28, and the connecting pipe connecting the funnel and the receiving container is fixed by the connecting pipe fixing plate 27. The receiving container tray 25, the receiving container placing tray 26, the connecting pipe fixing tray 27 and the funnel tray 28 can all move up and down along the support column 24, so that the receiving container tray 25, the receiving container placing tray 26, and the connecting pipe are fixed as required. The distance between the tray 27 and the funnel tray 28 from each other. In order to facilitate cleaning, the receiving container tray 25, the receiving container placing tray 26, the connecting pipe fixing tray 27 and the funnel tray 28 are all made of screen mesh.

In order to facilitate automatic cleaning, an automatic cleaning device that can provide two kinds of cleaning fluids for cleaning is also connected to the frame body 22. The automatic cleaning device includes a storage tank 20 for storing cleaning fluids. In this embodiment, The cleaning solution used is distilled water, and the cleaning solution can also be other liquids for cleaning according to cleaning needs. In order to ensure that the cleaning liquid in the storage tank 20 is not polluted, the storage tank 20 has a sealed structure. In order to facilitate the derivation of the cleaning liquid for cleaning, a drain pipe 19 is provided on the storage tank 20, and a drain valve 18 is provided on the drain pipe 19, as shown in FIG. 2 . A spray head 30 connected to the frame body 22 is also provided on the liquid discharge pipe 19 , and the spray head 30 is located inside the frame body 22 .

The cleaning liquid of the present invention is exported by means of gas pressure, that is, high-pressure gas is introduced into the sealed storage tank 20, and the cleaning liquid is squeezed out by the pressure of the gas for cleaning. Therefore, an air intake pipe is also connected to the storage tank 20 17. The air intake pipe 17 is connected with a pneumatic cylinder device for providing gas pressure to the storage tank 20. Described pneumatic cylinder device comprises pneumatic cylinder body 7, and described pneumatic cylinder body 7 is the cylinder body structure of interior hollow, is provided with dividing plate 11 on this pneumatic cylinder body 7, and described dividing plate 11 divides the inside of pneumatic cylinder body 7 The chamber is divided into upper and lower parts, the upper chamber is the air pressure chamber 14 , and the lower chamber is the water pressure chamber 3 . The air inlet pipe 17 is arranged on the top of the pneumatic cylinder body 7 and communicates with the air pressure chamber 14, and the water inlet pipe 1 and the water outlet pipe 6 communicating with the hydraulic chamber 3 are also provided at the bottom of the pneumatic cylinder body 7. The water inlet pipe 1 is also provided with a water inlet valve 2 . The water inlet pipe 1 can transport different cleaning liquids from the storage tank 20 , that is, the present invention can exchange two different types of cleaning liquids through the storage tank 20 and the water inlet pipe 1 for cleaning. The water inlet pipe 1 in this embodiment conveys tap water, and the cleaning liquid conveyed in the water inlet pipe 1 can be exported through the water outlet pipe 6 for cleaning. A spray head 30 connected to the frame body 22 is also provided on the water outlet pipe 6 , and the spray head 30 on the water outlet pipe 6 is also located inside the frame body 22 .

In order to facilitate the use of the pressure of the cleaning liquid introduced by the water inlet pipe 1 to compress the air in the air pressure chamber 14 to form high-pressure gas, squeeze out the cleaning liquid in the storage tank 20, so that the present invention can perform automatic cleaning. 7. The inside is also provided with a piston device. The piston-cylinder device includes a piston rod 21 , the piston rod 21 passes through the partition 11 and is connected to the partition 11 , and the piston rod 21 can slide up and down along the partition 11 . An air pressure piston 13 and a water pressure piston 8 are respectively arranged on the piston rod 21, the air pressure piston 13 and the water pressure piston 8 are all matched with the air cylinder body 7, the air pressure piston 13 is arranged in the air pressure chamber 14, and The hydraulic piston 8 is arranged in the hydraulic chamber 3 . At the same time, an exhaust port 9 and an air inlet 10 are respectively provided on the pneumatic cylinder body 7. The exhaust port 9 communicates with the hydraulic chamber 3 and is located on the top of the hydraulic chamber 3. The air inlet The port 10 communicates with the air pressure chamber 14 and is located at the bottom of the air pressure chamber 14 .

Also be provided with one-way intake valve 12 on described pneumatic piston 13, this one-way intake valve 12 is normally open valve, and this one-way intake valve 12 can introduce external air through air inlet 10 into pneumatic piston 13 and The closed space formed by the pneumatic cylinder body 7 can prevent the gas in the closed space from communicating with the outside air. A one-way air outlet valve 16 is also provided on the air inlet pipe 17, and the one-way air outlet valve 16 is also a normally open valve. The storage tank 20 can prevent the high-pressure gas from flowing back into the air pressure chamber 14 . In order to prevent the high-pressure gas enclosed in the air pressure chamber 14 from causing a safety hazard due to excessive pressure, a safety valve 15 is also provided on the air pressure cylinder body 7, and the safety valve 15 is arranged on the top of the air pressure cylinder body 7 to open the safety valve. 15 can release the high-pressure gas in the air pressure chamber 14, thereby depressurizing the air pressure chamber 14. A return spring 5 located between the partition plate 11 and the hydraulic piston 8 is also provided on the piston rod 21 , and a buffer spring 4 located below the hydraulic piston 8 is also provided on the piston rod 21 .

The two cleaning solutions in this embodiment are described by taking tap water and distilled water as examples, that is, distilled water is stored in the storage tank 20 , and tap water is input into the water inlet pipe 1 . When using tap water to clean, open the water inlet valve 2, the one-way air inlet valve 12 and the one-way air outlet valve 16 are normally open, and the safety valve 15 and the liquid discharge valve 18 are closed. Tap water enters the hydraulic chamber 3 through the water inlet pipe 1, and the tap water in the closed space formed by the hydraulic piston 8 and the air cylinder body 7 increases and forms tap water pressure, which pushes the hydraulic piston 8 to move upward, and the hydraulic piston 8 It moves upwards and drives the piston rod 21 to move upwards, and the air between the hydraulic piston 8 and the partition 11 is discharged through the exhaust port 9 . The upward movement of the piston rod 21 can drive the upward movement of the pneumatic piston 13, thereby compressing the air in the closed space formed between the pneumatic piston 13 and the pneumatic cylinder body 7, increasing the other pressure in the closed space, and the high pressure other Then, the gas pressure in the storage tank 20 can be increased by introducing it into the storage tank 20 through the one-way gas outlet valve 16 .

Simultaneously, outlet pipe 6 can export the tap water in hydraulic chamber 3, and tap water is sprayed downwards on receiving container tray 25, receiving container placement tray 26, connecting pipe fixing tray 27 and funnel tray 28 by the shower nozzle 30 on the outlet pipe 6 , and automatically clean the funnel, connecting pipe and receiving container installed on the tray device. Need to take off the filter paper on the funnel before cleaning, also can rotate tray device by handle 29 as required, so that clean more thoroughly. During the cleaning process with tap water, the tap water pressure in the hydraulic chamber 3 drops, and under the action of the return spring 5, the hydraulic piston 8 can be pushed down to return to its original position. Since the water inlet pipe 1 continuously imports tap water to the water pressure chamber 3 for cleaning, the hydraulic piston 8 reciprocates up and down under the joint action of the outlet pipe 6 leading to tap water to reduce the tap water pressure and the return spring 5 . When the tap water is stopped for cleaning, the water inlet valve 2 is closed, and the hydraulic piston 8 returns to its original position. Then use distilled water to clean again, because there is high-pressure gas stored in the storage tank 20, now only need to open the drain valve 18, the distilled water in the storage tank 20 can be squeezed out under the pressure of the high-pressure gas, and the distilled water is then passed through the drain. The nozzle on the liquid pipe 19 sprays on the tray device and cleans the funnel, the connecting pipe and the receiving container, thereby realizing the purpose of automatic cleaning of the two cleaning liquids of the present invention.

In order to facilitate drying of the cleaned tray device, funnel, connecting pipe and receiving container, so as to carry out the next batch of filtering operations, a blowing head 32 is also provided inside the frame body 22, and on the blowing head 32 A fan 31 is connected. When drying, turn on the fan 31, then the tray device inside the frame body 22 and the funnel, connecting pipe and receiving container can be air-dried by the blower head 32. In order to facilitate the discharge of the gas blown into the frame body 22 by the blower head 32 and the cleaning liquid produced during cleaning, a pipeline is also provided on the base 35, and an exhaust port 33 and a liquid discharge port are respectively provided on the pipeline. Port 34, as shown in Figure 1. At the same time, a through hole communicating with the pipeline is also provided at the bottom of the frame body 22, so as to discharge the cleaning liquid and air into the pipeline through the through hole.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (6)

1. a solid-liquid filtration device, it is characterized in that: comprise the framework (22) that inside is provided with pallet apparatus, described framework (22) is also connected with two kinds of cleaning fluids can be provided to carry out the automatic flushing device cleaned, described framework (22) has cavity for its inside and is provided with the semi-closed structure of opening, is provided with the door body (23) of this opening closed at the opening part of this framework (22), described pallet apparatus is then connected in framework (22) by the support column (24) that can rotate, described pallet apparatus comprises and is successively set on the upper and receiving vessel pallet (25) that all can move up and down along support column (24) of support column (24), receiving vessel holding tray (26), tube connector fixed disk (27) and funnel pallet (28), described automatic flushing device comprises the discharging tube (19) with tapping valve (18) and is connected with the holding vessel (20) of air inlet pipe (17), be connected to Pneumatic cylinder device air inlet pipe (17) providing gas pressure to holding vessel (20), described Pneumatic cylinder device is also connected with water inlet pipe (1) and outlet pipe (6), all be connected with framework (22) at described outlet pipe (6) and be all positioned at the inner shower nozzle (30) of framework (22) with discharging tube (19) is respectively arranged with, described Pneumatic cylinder device comprises pneumatic cylinder body (7), to be arranged on pneumatic cylinder body (7) upper and pneumatic cylinder body (7) is divided into the dividing plate (11) of air-pressure chamber (14) and hydraulic chamber (3), described water inlet pipe (1) is then connected with hydraulic chamber (3) with outlet pipe (6), and described air inlet pipe (17) is then connected with air-pressure chamber (14), also be provided with in described pneumatic cylinder body (7) inside the piston apparatus be connected with dividing plate (11), the sidewall of described pneumatic cylinder body (7) is also respectively equipped with the air inlet (10) be connected with air-pressure chamber (14) and the exhaust outlet (9) be connected with hydraulic chamber (3).

2. according to a kind of solid-liquid filtration device according to claim 1, it is characterized in that: described receiving vessel pallet (25), receiving vessel holding tray (26), tube connector fixed disk (27) and funnel pallet (28) are made by screen cloth.

3. according to a kind of solid-liquid filtration device described in claim 1 or 2, it is characterized in that: it is outside that described support column (24) top extends to framework (22), is also provided with the handle (29) of rotational support post (24) at described support column (24) top.

4. according to a kind of solid-liquid filtration device according to claim 1, it is characterized in that: described piston apparatus comprises and is connected to the upper and piston rod (21) that can slide up and down along dividing plate (11) of dividing plate (11), is separately positioned on pneumaticpiston (13) on piston rod (21) and hydraulic piston (8); Described pneumaticpiston (13) is arranged in air-pressure chamber (14), and described hydraulic piston (8) is then arranged in hydraulic chamber (3).

5. according to a kind of solid-liquid filtration device according to claim 4, it is characterized in that: described air inlet (10) is arranged on the bottom of air-pressure chamber (14), described pneumaticpiston (13) is also provided with breather cheek valve (12), described air inlet pipe (17) is then provided with unidirectional air outlet valve (16).

6. according to a kind of solid-liquid filtration device described in claim 4 or 5, it is characterized in that: be also provided with the blowing head (32) being connected with blower fan (31) in described framework (22) inside.