Positive pressure filtering device for chemical reagent

Abstract

The utility model discloses a chemical reagent positive pressure filtering device which comprises a filtering barrel, a filtering frame is connected in the filtering barrel in a sliding mode, a mounting frame is connected to the inner side of the filtering frame in a sliding mode, a filtering net is fixedly connected to the inner side of the mounting frame, and a connecting sleeve is fixedly connected to the top of the filtering barrel. And a sealing cover is slidably connected to the outer side wall of the connecting sleeve, a mounting box is fixedly connected to the top of the sealing cover, and a booster pump is fixedly connected to the interior of the mounting box. The filtering frame is slidably connected into the filtering barrel, the mounting frame on the inner side of the filtering frame can be supported through the supporting plate, a worker can conveniently take out the filtering frame from the inner side of the filtering barrel through the handle, and then the mounting frame is slidably taken out from the inner side of the filtering frame; and therefore, a worker can conveniently clean the filtering frame and the filtering net, the efficiency of cleaning the filtering device by the worker is improved, the internal cleaning effect of the filtering device is improved, and the worker can conveniently use the filtering device.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical reagent filtering, in particular to a chemical reagent positive pressure filtering device. Background Art

[0002] In order to improve the accuracy of chemical experiments, when using chemical reagents, the purity requirements for chemical reagents are relatively high, and most of them need to be filtered in advance. A filtering device is used when filtering the chemical reagents, but the existing filtering devices still have certain defects when used.

[0003] The defects of the filtering device in the prior art are:

[0004] At present, patent document CN210543637U discloses a filtering device for chemical reagents, including a support frame, a hydraulic rod is arranged on the upper side of the support frame, a pressure ball is arranged below the hydraulic rod, a pressure plate is arranged below the pressure ball, a sleeve is arranged on the outside of the pressure plate, a fixed plate is arranged below the sleeve, a fixed tube is arranged below the fixed plate, a liquid inlet funnel is arranged on the right side of the fixed tube, and a filter funnel is arranged below the fixed tube; a connecting pipe is arranged below the discharge pipe of the utility model, a splash-proof baffle is arranged below the connecting pipe, the cross-sectional shape and size of the splash-proof baffle are the same as those of the collecting box, and when the collecting box is in the collecting state, the lower surface of the splash-proof baffle is in contact with the upper surface of the collecting box, and the central axes coincide, so that the collecting box forms a closed environment, which can effectively prevent the splashing of chemical reagents and eliminate safety hazards.

[0005] When the filter device in the above document is in use, a connecting pipe is provided under the drain pipe, and a splash-proof baffle is provided under the connecting pipe, the cross-sectional shape and size of the splash-proof baffle are the same as those of the collecting box, and when the collecting box is in the collecting state, the lower surface of the splash-proof baffle is in contact with the upper surface of the collecting box, and the central axis coincides, so that the collecting box forms a closed environment, which can effectively prevent the splashing of chemical reagents and eliminate safety hazards. After use, the staff needs to clean the filter device before using it next time, but it is cumbersome for the staff to install and disassemble the interior of the filter device, which makes it more difficult to clean the filter device, reduces the efficiency of the staff in cleaning the filter device, and may cause the interior of the filter device to be not clean enough, which is inconvenient for the staff to use. Utility Model Content

[0006] The purpose of the utility model is to provide a chemical reagent positive pressure filtering device to solve the problems raised in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical solution: a chemical reagent positive pressure filtering device, comprising a filter barrel, a filter frame is slidably connected to the inside of the filter barrel, a mounting frame is slidably connected to the inside of the filter frame, and a filter screen is fixedly connected to the inside of the mounting frame;

[0008] The top of the filter barrel is fixedly connected with a connecting sleeve, the outer side wall of the connecting sleeve is slidably connected with a sealing cover, the top of the sealing cover is fixedly connected with a mounting box, and the inside of the mounting box is fixedly connected with a booster pump.

[0009] As a preferred technical solution of the utility model, a protective sleeve is fixedly connected to the outer wall of the filter barrel, and a bottom plate is fixedly connected to the bottom of the filter barrel.

[0010] As a preferred technical solution of the utility model, a discharge pipe is installed through the outer wall of the filter barrel, and a valve is provided on the outer wall of the discharge pipe.

[0011] As a preferred technical solution of the utility model, a support plate is fixedly connected to the inner side wall of the filter frame, and the support plate is located below the mounting frame, and a handle is fixedly connected to the top of the filter frame.

[0012] As a preferred technical solution of the utility model, a fixing bolt is installed through the thread of the outer wall of the sealing cover, and the bottom end of the fixing bolt is against the outer wall of the connecting sleeve.

[0013] As a preferred technical solution of the utility model, the output end of the booster pump is fixedly connected with an air outlet pipe, and the bottom end of the air outlet pipe passes through the bottom of the sealing cover, and an electric valve is arranged on the outer wall of the bottom end of the air outlet pipe.

[0014] As a preferred technical solution of the utility model, a controller is fixedly connected to the outer wall of the sealing cover, and the controller is electrically connected to the booster pump and the electric valve.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model is connected to the inside of the filter barrel by sliding the filter frame, and the mounting frame inside the filter frame can be supported by the support plate. The staff can take out the filter frame from the inside of the filter barrel by the handle, and then slide the mounting frame out from the inside of the filter frame, so that the staff can clean the filter frame and the filter net, improve the staff's cleaning efficiency of the filter device, and improve the internal cleaning effect of the filter device, which is convenient for the staff to use.

[0017] 2. The utility model is operated by a booster pump and an electric valve. When the booster pump is in operation, air can be supplied to the interior of the filter barrel through the air outlet pipe, thereby increasing the pressure of the filter barrel. The chemical reagent can pass through the filter net quickly through the high pressure, thereby improving the efficiency of the filter device in filtering the chemical reagent. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the filter barrel structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the filter frame structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the sealing cover structure of the utility model;

[0022] Figure 5 It is a schematic diagram of the cross-sectional structure of the sealing cover of the utility model.

[0023] In the figure: 1. filter barrel; 2. protective cover; 3. bottom plate; 4. discharge pipe; 5. valve; 6. connecting sleeve; 7. filter frame; 8. support plate; 9. handle; 10. mounting frame; 11. filter net; 12. sealing cover; 13. fixing bolt; 14. controller; 15. mounting box; 16. booster pump; 17. exhaust pipe; 18. electric valve. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 5 , a chemical reagent positive pressure filtration device:

[0026] It comprises a filter barrel 1, a filter frame 7 is slidably connected inside the filter barrel 1, a mounting frame 10 is slidably connected inside the filter frame 7, and a filter screen 11 is fixedly connected inside the mounting frame 10;

[0027] A connecting sleeve 6 is fixedly connected to the top of the filter barrel 1 , a sealing cover 12 is slidably connected to the outer wall of the connecting sleeve 6 , a mounting box 15 is fixedly connected to the top of the sealing cover 12 , and a booster pump 16 is fixedly connected to the interior of the mounting box 15 .

[0028] The filter frame 7 can provide an installation position for the mounting frame 10, and the mounting frame 10 can provide an installation position for the filter screen 11. The filter screen 11 can filter the chemical reagent. The filter frame 7 is slidably connected to the inside of the filter barrel 1, which is convenient for the staff to take it out. The mounting frame 10 is then slid out from the inner side of the filter frame 7, so that the staff can clean the filter frame 7 and the filter screen 11. The top of the filter barrel 1 can be sealed through the connecting sleeve 6. The mounting box 15 can provide an installation position for the booster pump 16, and the booster pump 16 can pressurize the inside of the filter barrel 1.

[0029] In a preferred embodiment, a protective sleeve 2 is fixedly connected to the outer wall of the filter barrel 1 , and a bottom plate 3 is fixedly connected to the bottom of the filter barrel 1 .

[0030] The protective sleeve 2 can be used to protect the filter barrel 1 to prevent damage to the filter barrel 1 caused by external impacts. The bottom plate 3 can increase the stability of the filter barrel 1 to ensure the stability of the filter barrel 1 when in use.

[0031] In a preferred embodiment, a discharge pipe 4 is installed through the outer wall of the filter barrel 1 , and a valve 5 is provided on the outer wall of the discharge pipe 4 .

[0032] By opening the valve 5 , the chemical reagent filtered inside the filter barrel 1 is discharged through the discharge pipe 4 , so that it is convenient for the staff to use it.

[0033] In a preferred embodiment, a support plate 8 is fixedly connected to the inner wall of the filter frame 7 , and the support plate 8 is located below the mounting frame 10 , and a handle 9 is fixedly connected to the top of the filter frame 7 .

[0034] The mounting frame 10 inside the filter frame 7 can be supported by the support plate 8 , and the handle 9 facilitates the staff to take out the filter frame 7 from the inside of the filter barrel 1 .

[0035] In a preferred embodiment, a fixing bolt 13 is threadedly installed through the outer wall of the sealing cover 12 , and the bottom end of the fixing bolt 13 abuts against the outer wall of the connecting sleeve 6 .

[0036] By rotating the fixing bolt 13 , the bottom end of the fixing bolt 13 is against the outer wall of the connecting sleeve 6 , thereby ensuring the stability of the connection between the sealing cover 12 and the filter barrel 1 and facilitating the subsequent installation and removal of the sealing cover 12 by the staff.

[0037] In a preferred embodiment, the output end of the boost pump 16 is fixedly connected to an outlet pipe 17, and the bottom end of the outlet pipe 17 passes through the bottom of the sealing cover 12, an electric valve 18 is provided on the outer wall of the bottom end of the outlet pipe 17, and the outer wall of the sealing cover 12 is fixedly connected to a controller 14, and the controller 14 is electrically connected to the boost pump 16 and the electric valve 18.

[0038] The operation of the booster pump 16 and the electric valve 18 can be controlled by the controller 14. When the booster pump 16 and the electric valve 18 are operated, air can be supplied to the interior of the filter barrel 1 through the air outlet pipe 17 when the booster pump 16 is in operation, thereby increasing the pressure of the filter barrel 1. The chemical reagent can pass through the filter net quickly through the high pressure, thereby improving the efficiency of the filter device in filtering the chemical reagent.

[0039] Working principle:

[0040] When the filtering device is in use, the filter frame 7 can provide an installation position for the mounting frame 10, and the mounting frame 10 can provide an installation position for the filter screen 11. The filter screen 11 can filter the chemical reagent. When filtering the chemical reagent, the booster pump 16 and the electric valve 18 are operated. When the booster pump 16 is in operation, air can be supplied to the inside of the filter barrel 1 through the air outlet pipe 17, thereby increasing the pressure of the filter barrel 1. The chemical reagent can quickly pass through the filter screen through the high pressure, thereby improving the efficiency of the filtering device in filtering the chemical reagent. After filtering the chemical reagent, the valve 5 is opened to discharge the filtered chemical reagent inside the filter barrel 1 through the discharge pipe 4, thereby facilitating use by the staff.

[0041] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A chemical reagent positive pressure filtration device, comprising a filter barrel (1), characterized in that: The filter barrel (1) is slidably connected to a filter frame (7), the inner side of the filter frame (7) is slidably connected to a mounting frame (10), and the inner side of the mounting frame (10) is fixedly connected to a filter screen (11); The top of the filter barrel (1) is fixedly connected to a connecting sleeve (6), the outer side wall of the connecting sleeve (6) is slidably connected to a sealing cover (12), the top of the sealing cover (12) is fixedly connected to a mounting box (15), and the interior of the mounting box (15) is fixedly connected to a booster pump (16).

2. A chemical reagent positive pressure filtration device according to claim 1, characterized in that: The outer wall of the filter barrel (1) is fixedly connected to a protective sleeve (2), and the bottom of the filter barrel (1) is fixedly connected to a bottom plate (3).

3. A chemical reagent positive pressure filtration device according to claim 1, characterized in that: A discharge pipe (4) is installed through the outer wall of the filter barrel (1), and a valve (5) is provided on the outer wall of the discharge pipe (4).

4. A chemical reagent positive pressure filtration device according to claim 1, characterized in that: A support plate (8) is fixedly connected to the inner side wall of the filter frame (7), and the support plate (8) is located below the mounting frame (10). A handle (9) is fixedly connected to the top of the filter frame (7).

5. A chemical reagent positive pressure filtration device according to claim 1, characterized in that: A fixing bolt (13) is threadedly installed through the outer wall of the sealing cover (12), and the bottom end of the fixing bolt (13) abuts against the outer wall of the connecting sleeve (6).

6. A chemical reagent positive pressure filtration device according to claim 1, characterized in that: The output end of the booster pump (16) is fixedly connected to an air outlet pipe (17), and the bottom end of the air outlet pipe (17) penetrates the bottom of the sealing cover (12), and an electric valve (18) is arranged on the outer wall of the bottom end of the air outlet pipe (17).

7. A chemical reagent positive pressure filtration device according to claim 1, characterized in that: The outer wall of the sealing cover (12) is fixedly connected to a controller (14), and the controller (14) is electrically connected to a booster pump (16) and an electric valve (18).

Images