CN217188222U

CN217188222U - Filter for processing waterborne polyurethane resin

Info

Publication number: CN217188222U
Application number: CN202220130933.2U
Authority: CN
Inventors: 袁秀强; 刘金磊; 朱庆华
Original assignee: Yantai Daocheng Chemicals Co ltd
Current assignee: Yantai Daocheng Chemicals Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-08-16
Anticipated expiration: 2032-01-19

Abstract

The utility model relates to a filter for processing waterborne polyurethane belongs to waterborne polyurethane processing device technical field. Include the pressure vessel body and install in the top cap at pressure vessel body top, this internal a plurality of filter cores that are equipped with of pressure vessel, a plurality of filter cores all are along the vertical range of pressure vessel body direction of height, every filter core outside all overlaps and is equipped with the filtration filter cloth, the filter core top is linked together through filtrating collecting tube and the outside filtrating discharge pipe way of locating the pressure vessel body, still install on the filtrating discharge pipe way and be used for the blowback entry to the inside blowing of filter core, the pressure vessel body is equipped with stoste input mechanism by lower position department, stoste output mechanism, slag extractor is installed to pressure vessel body bottom. The utility model has the advantages of reasonable design, the filter effect is good, and filtration efficiency is high, easily washs.

Description

Filter for processing waterborne polyurethane resin

Technical Field

The utility model relates to a filter for processing waterborne polyurethane belongs to waterborne polyurethane processing device technical field.

Background

After the aqueous polyurethane resin is processed, filtering is needed to remove impurities in the aqueous polyurethane resin stock solution. The existing filtering equipment has the defects of complex structural design, poor filtering effect, difficult cleaning and the like.

Therefore, it is desirable to design a filter that overcomes the above-mentioned technical problems.

Disclosure of Invention

An object of the utility model is to solve the weak point that above-mentioned prior art exists, provide a structural design is reasonable, and the filter effect is good, and the filtration efficiency is high, the easy abluent filter that is used for processing waterborne polyurethane resin.

In order to achieve the above object, the utility model provides a following technical scheme:

the filter for processing the waterborne polyurethane resin is characterized by comprising a pressure container body 1 and a top cover 2 arranged at the top of the pressure container body 1, wherein a plurality of filter elements 3 are arranged in the pressure container body 1, the filter elements 3 are vertically arranged along the height direction of the pressure container body 1, filter cloth 5 is sleeved outside each filter element 3, the top of each filter element 3 is communicated with a filtrate discharge pipeline 6 arranged outside the pressure container body 1 through a filtrate integrated pipe 4, a back-flushing air inlet 7 used for blowing air into the filter elements 3 is also arranged on the filtrate discharge pipeline 6, a raw liquid input mechanism and a raw liquid output mechanism are arranged at the lower position of the pressure container body 1, and a slag discharge mechanism is arranged at the bottom of the pressure container body 1;

preferably, in the plurality of filter elements 3, the top of each filter element 3 positioned on the same row is provided with a filtrate integrated pipe 4, the filtrate integrated pipes 4 are provided with a plurality of connectors 8 extending to the inside of the filter elements 3, and the tail ends of the filtrate integrated pipes 4 are communicated with a filtrate discharge pipeline 6;

preferably, the number of the filtrate integrated pipes 4 is nine, every three filtrate integrated pipes 4 correspond to one filtrate discharge pipeline 6, each filtrate discharge pipeline 6 is provided with a filtrate discharge valve 9, and each filtrate discharge valve 9 is provided with a filtrate discharge electromagnetic valve 10;

preferably, the raw liquid input mechanism comprises a plurality of raw liquid input valves 11, the raw liquid input valves 11 are installed on a raw liquid input pipeline 12, the tail end of the raw liquid input pipeline 12 extends into the pressure container body 1, and a raw liquid input electromagnetic valve 13 is installed on each raw liquid input valve 11;

preferably, the stock solution output mechanism comprises a plurality of stock solution output branch pipes 14 communicated with the pressure container body 1, the stock solution output branch pipes 14 are connected with a stock solution output main pipe 15, a stock solution output valve 16 is arranged on the stock solution output main pipe 15, and a stock solution output electromagnetic valve 17 is arranged on the stock solution output valve 16;

preferably, the slag discharging mechanism comprises a slag discharging valve cover 18 screwed at the bottom of the pressure vessel body 1;

preferably, the top cover 2 is provided with a pressure gauge 19 and a lifting lug 20;

preferably, the outer wall of the pressure vessel body 1 is provided with a fixed anchor 21;

preferably, the top cover 2 is provided with an overflow port 22, the overflow port 22 is connected with an overflow pipeline 23, and the overflow pipeline 23 is provided with an overflow valve 24 and an overflow electromagnetic valve 25.

The utility model discloses a filter structural design for processing waterborne polyurethane resin is ingenious, and a plurality of filter cores are used with the cooperation of filtering cloth, can reach better filter effect, and the multi-pipeline simultaneous operation can improve filtration efficiency greatly simultaneously. The quick cleaning of the filter element can be realized through the back-blowing air inlet, the working efficiency is improved, and the service life of the filter is prolonged. Before the sediment is arranged, the stock solution in the pressure container body 1 is returned to the stock solution storage tank through the stock solution output mechanism, so that the stock solution is prevented from being wasted, and the production cost of enterprises is reduced.

Drawings

FIG. 1 is a schematic view of a filter for processing an aqueous polyurethane resin according to the present invention 1;

FIG. 2 is a schematic diagram 2 of a filter for processing an aqueous polyurethane resin according to the present invention;

FIG. 3 is a layout view of a filter element and a filtrate manifold;

fig. 4 is a schematic structural view of the filter element and the filter cloth after combination.

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.

Example 1

In this embodiment, please refer to fig. 1-4, the filter for processing waterborne polyurethane resin of this embodiment includes a pressure vessel body 1 and a top cap 2 installed at the top of the pressure vessel body 1, a plurality of filter elements 3 are installed in the pressure vessel body 1, the plurality of filter elements 3 are all vertically arranged along the height direction of the pressure vessel body 1, a filter cloth 5 is sleeved outside each filter element 3, the top of each filter element 3 is communicated with a filtrate discharge pipeline 6 arranged outside the pressure vessel body 1 through a filtrate integration pipe 4, the filtrate discharge pipeline 6 is further provided with a back-flushing air inlet 7 for blowing air into the filter element 3, the pressure vessel body 1 is provided with a raw liquid input mechanism and a raw liquid output mechanism at a lower position, and a slag discharge mechanism is installed at the bottom of the pressure vessel body 1. Install manometer 19 and lug 20 on the top cap 2, install fixed lower margin 21 on the pressure vessel body 1 outer wall, seted up overflow mouth 22 on the top cap 2, overflow mouth 22 is connected with overflow pipeline 23, installs overflow valve 24 and overflow solenoid valve 25 on the overflow pipeline 23.

In a plurality of filter cores 3, the top of the filter core 3 on the same row is provided with a filtrate integrated pipe 4, the filtrate integrated pipe 4 is provided with a plurality of connectors 8 extending to the inside of the filter core 3, and the tail end of the filtrate integrated pipe 4 is communicated with a filtrate discharge pipeline 6. The number of the filtrate integrated pipes 4 is nine, every three filtrate integrated pipes 4 correspond to one filtrate discharge pipeline 6, each filtrate discharge pipeline 6 is provided with a filtrate discharge valve 9, and each filtrate discharge valve 9 is provided with a filtrate discharge electromagnetic valve 10;

the specific structure of the stock solution input mechanism is as follows: the stock solution input mechanism comprises a plurality of stock solution input valves 11, the stock solution input valves 11 are arranged on a stock solution input pipeline 12, the tail end of the stock solution input pipeline 12 extends into the pressure container body 1, and each stock solution input valve 11 is provided with a stock solution input electromagnetic valve 13;

the specific structure of the stock solution output mechanism is as follows: the stoste output mechanism comprises a plurality of stoste output branch pipes 14 communicated with the pressure container body 1, the stoste output branch pipes 14 are connected with a stoste output main pipe 15, a stoste output valve 16 is installed on the stoste output main pipe 15, and a stoste output electromagnetic valve 17 is installed on the stoste output valve 16.

The specific structure of the slag discharging mechanism is as follows: the slag discharging mechanism comprises a slag discharging valve cover 18 screwed at the bottom of the pressure vessel body 1.

In the airtight pressure vessel body 1, combine a plurality of filter cores 3, filter cloth 5 (or other filter media) is filtered on the outer cover of the filter core 3, during filtering, the stock solution is pumped into the pressure vessel body 1 through a stock solution input pipeline 12, the liquid phase in the stock solution passes through the filter media and enters the porous filter core 3, then the liquid phase is collected to a filtrate discharge pipeline 6 to be discharged, after normal filtering for a period of time, when the filter cake layer on the porous filter core 3 reaches a certain thickness, the stock solution is stopped to be input into the pressure vessel body 1, the residual liquid in the pressure vessel body 1 is discharged through a stock solution output mechanism, after discharging, the back flushing is carried out through a back flushing gas inlet 7 to make the filter cake drop, after a certain period of back flushing, the back flushing is stopped, the slag discharging mechanism is closed, and the initial state before filtering is returned to be ready for next round of filtering.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A filter for processing waterborne polyurethane resin, its characterized in that includes the pressure vessel body and installs in the top cap at pressure vessel body top, this internal a plurality of filter cores that are equipped with of pressure vessel, a plurality of filter cores all are along the vertical range of pressure vessel body direction of height, every filter core outside all overlaps and is equipped with the filtration filter cloth, the filter core top is linked together through filtrating collecting tube and the filtrating discharge line of locating the pressure vessel body outside, still install the blowback gas entry that is used for blowing to the filter core inside on the filtrating discharge line, the pressure vessel body leans on lower position department to be equipped with stoste input mechanism, stoste output mechanism, slag discharging mechanism is installed to pressure vessel body bottom.

2. The filter for processing waterborne polyurethane resin according to claim 1, wherein the top of the filter element in the same row among the plurality of filter elements is provided with a filtrate manifold, the filtrate manifold is provided with a plurality of connectors extending to the inside of the filter element, and the tail end of the filtrate manifold is communicated with the filtrate discharge pipeline.

3. The filter for processing an aqueous polyurethane resin according to claim 2, wherein the number of the filtrate integrated pipes is nine, every three filtrate integrated pipes correspond to one filtrate discharge pipeline, each filtrate discharge pipeline is provided with a filtrate discharge valve, and each filtrate discharge valve is provided with a filtrate discharge solenoid valve.

4. The filter for processing an aqueous urethane resin according to claim 1, wherein the dope feeding mechanism comprises a plurality of dope feeding valves, the plurality of dope feeding valves are installed on the dope feeding line, the end of the dope feeding line extends into the pressure vessel body, and each of the dope feeding valves is installed with a dope feeding solenoid valve.

5. The filter for processing an aqueous urethane resin according to claim 1, wherein the dope discharging means comprises a plurality of dope discharging branch pipes communicating with the pressure vessel body, the dope discharging branch pipes are connected to a dope discharging manifold, a dope discharging valve is installed on the dope discharging manifold, and a dope discharging solenoid valve is installed on the dope discharging valve.

6. The filter for processing an aqueous polyurethane resin according to claim 1, wherein the slag removing mechanism comprises a slag removing valve cover screwed to the bottom of the pressure vessel body.

7. The filter for the processing of aqueous polyurethane resin according to claim 1 or 6, wherein a pressure gauge and a lifting lug are attached to the top cap.

8. The filter for processing an aqueous polyurethane resin according to claim 1, wherein fixing legs are installed on an outer wall of the pressure vessel body.

9. The filter for processing the waterborne polyurethane resin as claimed in claim 1, wherein the top cover is provided with an overflow port, the overflow port is connected with an overflow pipeline, and the overflow pipeline is provided with an overflow valve and an overflow electromagnetic valve.