CN219072253U - Closed column type filtering equipment - Google Patents

Abstract

The utility model relates to the technical field of closed filters, in particular to a closed column type filtering device. The upper end of a barrel of the device is connected with a cover plate, a plurality of flange interfaces are reserved on the cover plate, a filter cartridge is inserted into each flange interface, a connecting flange is arranged on the outer wall of the upper end of the filter cartridge and is connected and sealed with the flange interfaces of the cover plate, a plurality of through holes are formed in the outer wall of the filter cartridge inserted into the barrel, a filter bag is sleeved outside the filter cartridge inserted into the barrel, a liquid outlet branch pipe and a purging branch pipe are respectively inserted into the upper end of each filter cartridge, the liquid outlet branch pipe extends into the lower end of the interior of the filter cartridge, the upper ends of all liquid outlet branch pipes are all connected with a liquid outlet main pipe, a clear liquid valve is arranged on the liquid outlet main pipe, the upper ends of all purging branch pipes are all connected with a purging main pipe, and a purging discharge valve is arranged on the purging main pipe. The utility model has the advantages of low manufacturing cost, convenient replacement of the filter bag, low maintenance cost, convenient and flexible unloading, difficult blockage and safe use.

Description

A kind of airtight column filter equipment

Technical field:

The utility model relates to the technical field of airtight filters, in particular to an airtight column filter device.

Background technique:

Hermetic filter is a commonly used equipment for solvent extraction and separation, which can effectively solve the problem of volatilization of conventional plate and frame filters, thereby reducing material loss and improving the personal safety of operators in the production process. At present, the common airtight filters (application numbers: 201821167252.3, 202020363133.6, 202221079681.1) are all airtight plate and frame filters. Cylinder - filter plate - discharge pipe to filter the material. Although this equipment can meet the safe operation of solvent extraction, but the overall cost of the equipment is relatively high. In actual production, it is difficult to vibrate and unload the filter plate. Repeated production is easy to clog, and it needs to be opened and combed, which increases the operator's work. The workload also increases the probability of damage to the filter plate, and there is a greater safety hazard when opening the cover. In addition, replacing the filter plate needs to be replaced as a whole, and the cost of spare parts is high and troublesome, which is not conducive to the production introduction of small and medium-sized production enterprises.

Utility model content:

The technical problem to be solved by the utility model is to provide an airtight column filter device, which realizes low cost, convenient filter bag replacement, low maintenance cost, convenient and flexible discharge, not easy to block, and safe to use. The invention overcomes the disadvantages of the existing airtight filtering equipment, such as high cost, high maintenance cost, easy blockage of unloading, difficult cleaning, and potential safety hazards.

The technical scheme adopted by the utility model is: a kind of airtight column filter equipment, including a cylinder body, the lower end of the cylinder body is designed with a conical cylinder, the bottom end of the conical cylinder is the discharge port; the upper end of the cylinder body is connected with a cover plate, the cover plate A number of flange interfaces are reserved, and each flange interface is inserted with a filter cartridge. The outer wall of the upper end of the filter cartridge is provided with a connecting flange. The connecting flange is connected and sealed with the flange interface of the cover plate, and the filter cartridge inserted into the cylinder There are many through holes on the outer wall, and the outer side of the filter cartridge inserted into the cylinder is equipped with a filter bag. The upper end of each filter cartridge is respectively inserted into the liquid outlet pipe and the purge pipe, and the liquid outlet pipe extends into the lower end of the filter cartridge. The upper ends of the sub-pipes are all connected to the liquid outlet main pipe, and a clear liquid valve is installed on the liquid outlet main pipe, and the upper ends of all the purge sub-pipes are connected to the purge main pipe, and the purge unloading valve is installed on the purge main pipe;

An overflow pipe is connected to the side wall of the upper end of the barrel, and an exhaust valve is installed on the overflow pipe; a feed pipe is connected to the side wall of the upper end of the tapered barrel, and a feed valve is installed on the feed pipe. A discharge pipe is connected to the side wall of the lower end of the tapered cylinder, a discharge valve is installed on the discharge pipe, and a discharge butterfly valve is installed at the discharge port.

Further, the cylinder body and the cover plate are both made of stainless steel, and the cylinder body and the cover plate are welded and fixed.

Further, the filter cartridge is crimped and welded by stainless steel sheet or stainless steel mesh.

Further, through holes are evenly distributed on the outer wall of the filter cartridge, and the diameter of the through holes is 0.5 cm.

Further, the purging sub-pipe extends into the upper end of the filter cartridge.

Further, each liquid outlet branch pipe is respectively equipped with a clear liquid valve.

Further, a purge unloading valve is respectively installed on each of the purge sub-pipes.

Further, seven flange interfaces are evenly reserved on the cover plate.

Further, a pressure gauge for detecting the internal pressure of the cylinder is installed on the cover plate.

The beneficial effects of the utility model are:

1. Low cost: The equipment of this utility model is composed of a stainless steel cylinder body and a stainless steel cover plate with multiple reserved interfaces. Each reserved interface is connected to a stainless steel filter cartridge with holes by a flange. When filtering, it can be filtered according to the needs. Add filter bags with different meshes;

2. One machine with multiple functions, easy to replace the filter bag: the utility model uses a stainless steel filter cartridge and a filter bag for filtering. When the filter aperture changes or the filter bag is damaged, the effect can be achieved only by replacing the filter bag, which is flexible and changeable , a significant advantage in cost savings;

3. Flexible unloading: The filter cartridge of this utility model is wrapped with a filter bag. The flexibility of the filter bag does not require the installation of complicated equipment for vibrating and unloading. It only needs to blow compressed air or nitrogen into the reverse blowing pipeline to effectively discharge the material. The filter cake is unloaded, which effectively solves the problem of clogging the filter plate when the conventional filter device is reused;

4. Flexible and adaptable: According to the production needs of different enterprises, filters of different sizes can be installed, occupying a small area, and the discharge port can be directly connected to the solvent recovery tank to achieve safe production.

Description of drawings:

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural schematic diagram of the cover plate.

Fig. 3 is a schematic view of the utility model.

Detailed ways:

As shown in Figure 1 and Figure 2, a closed column filter device includes a cylinder body 1, the lower end of the cylinder body 1 is designed with a conical cylinder, and the bottom end of the conical cylinder is the discharge port; the upper end of the cylinder body 1 is connected to the cover plate 2 , the cover plate 2 is reserved with a plurality of flange interfaces, each flange interface is inserted with a filter cartridge 3, and the outer wall of the upper end of the filter cartridge 3 is provided with a connecting flange 13, and the connecting flange 13 is connected to the flange interface of the cover plate 2 The connection is sealed. There are multiple through holes on the outer wall of the filter cartridge 3 inserted into the cylinder 1. The filter bag 4 is set on the outside of the filter cartridge 3 inserted into the cylinder 1. The upper end of each filter cartridge 3 is respectively inserted into the liquid outlet pipe 7 and the purge Branch pipe 8, liquid outlet branch pipe 7 extends into the lower end of the filter cartridge 3, the upper ends of all liquid outlet branch pipes 7 are connected with the liquid outlet main pipe 5, a clear liquid valve is installed on the liquid outlet main pipe 5, and the upper ends of all purging branch pipes 8 are connected to the The purge main pipe 6 is connected to each other, and a purge unloading valve is installed on the purge main pipe 6;

An overflow pipe 9 is connected to the side wall of the upper end of the cylinder body 1, and an exhaust valve is installed on the overflow pipe 9. A feed pipe 10 is connected to the side wall of the upper end of the tapered cylinder, and a feed pipe 10 is installed on the feed pipe 10. Feed valve, the side wall of the lower end of the tapered cylinder is connected with a drain pipe 11, a drain valve is installed on the drain pipe 11, and a discharge butterfly valve 12 is installed at the discharge port.

Both the cylinder body 1 and the cover plate 2 are made of stainless steel, and the cylinder body 1 and the cover plate 2 are fixed by welding.

The filter cartridge 3 is crimped and welded by stainless steel sheet or stainless steel mesh.

The outer wall of the filter cartridge 3 is evenly distributed with through holes, and the diameter of the through holes is 0.5 cm.

The purging branch pipe 8 extends into the upper end of the filter cartridge 3 .

A clear liquid valve is respectively installed on each of the liquid outlet branch pipes 7 .

Each of the purge sub-pipes 8 is respectively equipped with a purge discharge valve.

Seven flange interfaces are evenly reserved on the cover plate 2 .

A pressure gauge for detecting the internal pressure of the cylinder body 1 is installed on the cover plate 2 .

As shown in Figure 3, the working principle is as follows:

1. Close the discharge butterfly valve 12, purge valve, and purge discharge valve before filtering, and open the feed valve, exhaust valve, and liquid cleaning valve.

2. Feed (rice bran wax-solvent mixed solution) to the utility model, until the overflow pipe 9 discharges the mixed solution, close the exhaust valve, continue feeding, and return to the raw material tank through the clear liquid valve until the clear liquid valve sees When the mirror is transparent, begin to discharge the supernatant to the supernatant storage tank.

3. When the filter pressure increases to 0.4Mpa, stop feeding, blow nitrogen into the feed pipe 10 and continue to discharge the clear liquid, until the filter pressure drops to 0.05Mpa, stop feeding nitrogen, close the clear liquid valve, and open the purge valve at the same time , Put the remaining mixture in the conical cylinder back into the raw material tank.

4. Close the purge valve, open the discharge butterfly valve 12, open the purge discharge valve, and discharge the filter cake on the filter bag through the discharge butterfly valve 12 to the lower solvent recovery tank through nitrogen.

5. Reciprocating cycle.

It can be understood that the above specific description of the utility model is only used to illustrate the utility model and is not limited to the technical solutions described in the embodiments of the utility model. Those of ordinary skill in the art should understand that the utility model can still be Modifications or equivalent replacements are carried out to achieve the same technical effect; as long as the needs of use are met, they are all within the protection scope of the present utility model.

Claims (9)

1. A closed column filter device, comprising a cylinder body (1), the lower end of the cylinder body (1) is designed with a conical cylinder, and the bottom end of the conical cylinder is a discharge port; it is characterized in that: the cylinder body (1) is connected at the upper end The cover plate (2), the cover plate (2) is reserved with multiple flange interfaces, each flange interface is inserted with a filter cartridge (3), and the outer wall of the upper end of the filter cartridge (3) is provided with a connecting flange (13) , the connecting flange (13) is connected and sealed with the flange interface of the cover plate (2), and the outer wall of the filter cartridge (3) inserted into the cylinder (1) has a plurality of through holes, and the filter cartridge inserted into the cylinder (1) (3) There is a filter bag (4) on the outside, and the upper end of each filter cartridge (3) is inserted into the liquid outlet pipe (7) and the purge pipe (8), and the liquid outlet pipe (7) extends into the filter cartridge (3) At the lower end of the interior, the upper ends of all the liquid outlet pipes (7) are connected to the liquid outlet main pipe (5), and a liquid cleaning valve is installed on the liquid outlet main pipe (5), and the upper ends of all the purging branch pipes (8) are connected to the main purging pipe (6) ) are connected, and a purge unloading valve is installed on the purge main pipe (6); An overflow pipe (9) is connected to the upper side wall of the cylinder (1), and an exhaust valve is installed on the overflow pipe (9), and a feed pipe (10) is connected to the upper side wall of the tapered cylinder. , a feed valve is installed on the feed pipe (10), a drain pipe (11) is connected to the side wall of the lower end of the conical cylinder, a drain valve is installed on the drain pipe (11), and the outlet is installed There is a discharge butterfly valve (12). 2. The airtight column filter device according to claim 1, characterized in that: the cylinder body (1) and the cover plate (2) are both made of stainless steel, and the gap between the cylinder body (1) and the cover plate (2) Fixed by welding. 3. The airtight column filter device according to claim 1, characterized in that: the filter cartridge (3) is made of stainless steel sheets or stainless steel nets crimped and welded. 4. The airtight column filter device according to claim 1, characterized in that: the outer wall of the filter cartridge (3) is evenly distributed with through holes, and the diameter of the through holes is 0.5 cm. 5. The airtight column filter device according to claim 1, characterized in that: the purging branch pipe (8) extends into the inner upper end of the filter cartridge (3). 6. The airtight column filter device according to claim 1, characterized in that: each of the liquid outlet pipes (7) is respectively equipped with a clear liquid valve. 7. The airtight column filtering device according to claim 1, characterized in that: each of the purging branch pipes (8) is respectively equipped with a purge discharge valve. 8. The airtight column filter device according to claim 1, characterized in that 7 flange connections are evenly reserved on the cover plate (2). 9. The airtight column filter device according to claim 1, characterized in that: a pressure gauge for detecting the internal pressure of the cylinder (1) is installed on the cover plate (2).

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