CN216457270U

CN216457270U - Filtering system of parallel filtering component

Info

Publication number: CN216457270U
Application number: CN202121111346.0U
Authority: CN
Inventors: 郭爱连; 唐勇红
Original assignee: Hangzhou Jiuling Technology Co ltd
Current assignee: Hangzhou Jiuling Technology Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-05-10
Anticipated expiration: 2031-05-21

Abstract

The utility model relates to the technical field of filtration, and discloses a filtering system of a parallel filtering assembly, which comprises a filtering backflow unit, an automatic cleaning unit and a control unit, wherein the filtering backflow unit comprises a liquid inlet pipeline, a filtering assembly, a liquid outlet pipeline, a filtrate container, a backflow pipeline and a buffer container; the automatic cleaning unit comprises a cleaning tank, a cleaning liquid inlet pipeline, a filtering assembly and a cleaning loop; the control unit comprises a control box with a speed regulation control module. The filtering system disclosed by the utility model avoids infinite installation of sensors on each branch, greatly reduces the cost, and simultaneously, under the condition that the flow meets the filtering condition, the filtering components with the same specification in the largest quantity are installed in parallel, so that the filtering efficiency is greatly improved, the space is saved, and the filtering system is very suitable for low-pressure high-flow high-flux filtering components.

Description

Filtering system of parallel type filtering assembly

Technical Field

The utility model relates to the technical field of filtration, in particular to a filtration system of parallel filtration components.

Background

When a biological laboratory and a research and detection mechanism are used for initial test, a filtering system is usually a small-scale device, the filtering capacity is small, the requirement on the filtering speed is not high, and the filtering speed is usually only required to meet the size of the filtered molecular weight, but in the batch production process, the method or the device cannot meet the requirements, particularly the molecular separation process of diagnostic reagents and antibody drugs (such as a patent publication number: CN 1101553A), on the filtering rate and the filtering capacity, so that the optimal effect can be achieved under the condition of the same filtering component by selecting a proper filtering device or method.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a filtering system of parallel filtering assemblies. The requirement of high-precision sensor control can be met by using a conventional pressure detection meter and a manual valve, and meanwhile, the device is also suitable for parallel installation of a plurality of filtering assemblies, so that the efficiency of the filtering assembly is greatly improved; the infinite installation of sensors on each branch is avoided, and the cost is greatly reduced.

The specific technical scheme of the utility model is as follows: a filtering system of a parallel filtering assembly comprises a filtering backflow unit, an automatic cleaning unit and a control unit, wherein the filtering backflow unit comprises a liquid inlet pipeline, a filtering assembly, a liquid outlet pipeline, a filtrate container, a backflow pipeline and a buffer container; the automatic cleaning unit comprises a cleaning tank, a cleaning liquid inlet pipeline, a filtering assembly and a cleaning loop; the control unit comprises a control box with a speed regulation control module.

The utility model discloses a filtering system, which comprises a circulating filtering loop pipeline and N pipeline branch systems, wherein each pipeline can be connected with a filter, the pressure on each loop is constant, parameters such as pressure, flow, temperature and the like only need to be monitored at a total liquid inlet end and a total liquid outlet end of the system, the total liquid control is ensured due to the monitoring on the pipeline main path, the infinite installation of sensors on each branch is avoided, the cost is greatly reduced, and meanwhile, the requirement of high-precision sensor control can be met by using a conventional pressure detection meter and a manual valve.

The control unit is provided with a control box of a speed regulation control module, and the speed regulation control module controls the rotating speed and the flow of the power pump, so that the stability of the constant pressure of the system is ensured.

Preferably, the filter assembly comprises one or more filters connected in parallel.

The filter component can be installed with the maximum number of filter components of the same specification in parallel under the condition that the flow meets the filtering requirement, the filtering efficiency is greatly improved, the space is saved, the filtering resistance is not increased, the number of the filter components theoretically only depends on the flow of the pump, and the filter component is very suitable for the high-flux filter component with low pressure and high flow due to the parallel installation mode.

Preferably, the liquid inlet pipeline is connected with the buffer container and the filtering component, and the liquid inlet pipeline is sequentially provided with an electric control valve B, a power pump, a liquid inlet flowmeter, a temperature measuring sensor and a liquid inlet pressure gauge.

Preferably, the liquid outlet pipeline is connected with the filter assembly and the filtrate container, and a permeation pressure gauge, a filtrate flowmeter and a manual valve C are sequentially arranged on the liquid outlet pipeline.

Preferably, the return pipeline is connected with the filtering assembly and the buffer container, and the return pipeline is sequentially provided with a return liquid pressure meter and a flow proportional valve.

Preferably, the upper part of the buffer container is provided with an upper liquid level meter and an upper liquid level sensor, and the lower part of the buffer container is provided with a lower liquid level meter and a lower liquid level sensor.

The specific working process of the filtering reflux unit is as follows: the liquid to be filtered is placed in the buffer container, the hand valve A is closed, the electric control valve B is opened, the liquid with the filtering function flows into the power pump, the liquid flows into the filtering component under the action of the power pump, the liquid to be filtered is filtered under the action of pressure, the filtrate flows into the filtrate container through the liquid outlet pipeline, and the residual liquid flows into the buffer container again through the return pipeline.

Preferably, the cleaning liquid inlet pipeline is connected with the cleaning tank and the filtering component, and a hand valve A, a power pump, a liquid inlet flowmeter, a temperature measuring sensor and a liquid inlet pressure gauge are sequentially installed on the cleaning liquid inlet pipeline.

Preferably, a return hydraulic pressure gauge and a manual valve D are sequentially arranged on the cleaning loop.

The specific working process of the automatic cleaning unit comprises the following steps: and (3) placing the cleaning liquid in a cleaning tank, opening the hand valve A, closing the electric control valve B, enabling the cleaning liquid to flow into the power pump, enabling the cleaning liquid to flow into the filtering component under the action of the power pump, completing cleaning of the filtering component, opening the hand valve D, closing the flow proportional valve, and enabling the cleaned liquid to flow back to the cleaning tank.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the filtering system disclosed by the utility model has the advantages that parameters such as pressure, flow, temperature and the like only need to be monitored at the total liquid inlet end and the total liquid outlet end of the system, the infinite installation of sensors on each branch is avoided, the cost is greatly reduced, and meanwhile, the requirement on high-precision sensor control can be met by using a conventional pressure detection meter and a manual valve.

(2) The filter assembly can be installed in parallel with the maximum number of filter assemblies of the same specification under the condition that the flow meets the filtering requirement, so that the filtering efficiency is greatly improved, and the space is saved.

(3) Due to the parallel installation mode, the filter assembly is very suitable for low-pressure high-flow high-flux filter assemblies.

Drawings

FIG. 1 is a schematic workflow diagram of the present invention;

the reference signs are: the device comprises a power pump 1, a liquid inlet flow meter 2, a liquid inlet pressure gauge 3, a permeation filtration pressure gauge 4, an upper liquid level gauge 5, a filter assembly 6, a filtrate flow meter 7, a manual valve C8, a filtrate container 9, a lower liquid level gauge 10, a temperature measurement sensor 11, a reflux liquid pressure gauge 12, a manual valve D13, a flow proportional valve 14, a buffer container 15, an electric control valve B16, a manual valve A17, an upper liquid level sensor 18, a lower liquid level sensor 19, a cleaning tank 20 and a control box 21.

Detailed Description

The present invention will be further described with reference to the following examples. The devices, connections, and methods referred to in this disclosure are those known in the art, unless otherwise indicated.

Example 1:

as shown in fig. 1: a filtering system of a parallel filtering assembly comprises a filtering backflow unit, an automatic cleaning unit and a control unit, wherein the filtering backflow unit comprises a liquid inlet pipeline, a filtering assembly 6, a liquid outlet pipeline, a filtrate container 9, a backflow pipeline and a buffer container 15; the automatic cleaning unit comprises a cleaning tank 20, a cleaning liquid inlet pipeline, a filtering component 6 and a cleaning loop; the control unit comprises a control box 21 with a speed regulation control module.

As shown in fig. 1: the filter assembly 6 comprises 3 filters connected in parallel. The liquid inlet pipeline is connected with the buffer container 15 and the filtering component 6, and an electric control valve B16, a power pump 1, a liquid inlet flowmeter 2, a temperature measuring sensor 11 and a liquid inlet pressure gauge 3 are sequentially arranged on the liquid inlet pipeline. The liquid outlet pipeline is connected with the filter assembly 6 and the filtrate container 9, and a permeate pressure gauge 4, a filtrate flowmeter 7 and a manual valve C8 are sequentially arranged on the liquid outlet pipeline. The return pipeline is connected with the filtering component 6 and the buffer container 15, and a return liquid pressure gauge 12 and a flow proportional valve 14 are sequentially installed on the return pipeline. An upper liquid level meter and an upper liquid level sensor 18 are arranged at the upper part of the buffer container 15, and a lower liquid level meter and a lower liquid level sensor 19 are arranged at the lower part of the buffer container 15.

As shown in fig. 1: the cleaning liquid inlet pipeline is connected with the cleaning tank 20 and the filtering component 6, and a hand valve A17, a power pump 1, a liquid inlet flowmeter 2, a temperature measuring sensor 11 and a liquid inlet pressure gauge 3 are sequentially installed on the cleaning liquid inlet pipeline. And a reflux liquid pressure gauge 12 and a manual valve D13 are sequentially arranged on the cleaning loop.

Example 2:

As shown in fig. 1: the filter assembly 6 comprises 5 filters connected in parallel. The liquid inlet pipeline is connected with the buffer container 15 and the filtering component 6, and an electric control valve B16, a power pump 1, a liquid inlet flowmeter 2, a temperature measuring sensor 11 and a liquid inlet pressure gauge 3 are sequentially arranged on the liquid inlet pipeline. The liquid outlet pipeline is connected with the filter assembly 6 and the filtrate container 9, and a permeate pressure gauge 4, a filtrate flowmeter 7 and a manual valve C8 are sequentially arranged on the liquid outlet pipeline. The return pipeline is connected with the filtering component 6 and the buffer container 15, and a return liquid pressure gauge 12 and a flow proportional valve 14 are sequentially installed on the return pipeline. An upper liquid level meter and an upper liquid level sensor 18 are arranged at the upper part of the buffer container 15, and a lower liquid level meter and a lower liquid level sensor 19 are arranged at the lower part of the buffer container 15.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A filtering system of a parallel filtering component is characterized by comprising a filtering reflux unit, an automatic cleaning unit and a control unit, wherein the filtering reflux unit comprises a liquid inlet pipeline, a filtering component (6), a liquid outlet pipeline, a filtrate container (9), a reflux pipeline and a buffer container (15); the automatic cleaning unit comprises a cleaning tank (20), a cleaning liquid inlet pipeline, a filtering assembly (6) and a cleaning loop; the control unit comprises a control box (21) with a speed regulation control module.

2. A parallel filter assembly filter system according to claim 1 wherein the filter assembly (6) includes one or more filters connected in parallel.

3. A filtering system of a parallel filter element according to claim 1, wherein the feed line connects the buffer vessel (15) and the filter element (6), and the feed line is sequentially provided with an electric control valve B (16), a power pump (1), a feed flowmeter (2), a temperature sensor (11), and a feed pressure gauge (3).

4. A filter system according to claim 1 in which a parallel filter module is connected to the filter module (6) and to a filtrate container (9) via a feed line, to which a permeate pressure gauge (4), a filtrate flow meter (7) and a manual valve C (8) are fitted in succession.

5. A parallel filter assembly filter system according to claim 1 in which the return line connects the filter assembly (6) to a buffer vessel (15), the return line being provided in turn with a return pressure gauge (12) and a flow proportional valve (14).

6. A filter system in a parallel filter module according to claim 1 wherein the buffer vessel (15) is provided at an upper portion thereof with an upper level gauge and an upper level sensor (18), and the buffer vessel (15) is provided at a lower portion thereof with a lower level gauge and a lower level sensor (19).

7. A filtering system of a parallel filter element according to claim 1, wherein the cleaning feed line connects the cleaning tank (20) and the filter element (6), and the cleaning feed line is sequentially provided with a manual valve A (17), a power pump (1), a feed liquid flowmeter (2), a temperature sensor (11), and a feed liquid pressure gauge (3).

8. A parallel filter assembly filter system according to claim 1 wherein a return pressure gauge (12) and a manual valve D (13) are provided in series on the purge circuit.