CN219072177U

CN219072177U - Quenching water dedusting and filtering system

Info

Publication number: CN219072177U
Application number: CN202222913003.7U
Authority: CN
Inventors: 钱卫; 张佳杰
Original assignee: Nantong Upstar Filtering Equipment Co ltd
Current assignee: Nantong Upstar Filtering Equipment Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-05-26
Anticipated expiration: 2032-11-02

Abstract

The application discloses a quenching water dedusting and filtering system, which comprises a filtering unit, wherein the filtering unit comprises a filter cylinder, a pattern plate, an AFM active filter layer, a pipeline and a pneumatic ball valve; the filter cylinder is a vertical container, the flower plate is horizontally arranged in the filter cylinder to divide the inner space of the filter cylinder into two parts, the flower plate is provided with a stainless steel water cap, and the AFM active filter material layer is arranged on the upper part of the flower plate; the pipeline is divided into a water inlet pipe, a water outlet pipe, an air inlet pipe, a blow-down pipe and a blow-down pipe which are respectively communicated with the filter cylinder; the pneumatic ball valve is divided into a water inlet valve, a water outlet valve, an air inlet valve, a blow-down valve and a blow-down valve; the water inlet pipe is provided with a water inlet valve, the water outlet pipe is provided with a water outlet valve, the air inlet pipe is provided with an air inlet valve, the blow-down pipe is provided with a blow-down valve, and the blow-down pipe is provided with a blow-down valve. The method utilizes AFM active filter materials to effectively separate the catalyst and the oil in the quench water; and the filtered medium is utilized for backwashing, so that the cleanliness is high, the backwashing energy is high, an external medium is not required to be referenced, and the tightness and the economy of the system are ensured.

Description

Quenching water dedusting and filtering system

Technical Field

The utility model relates to the field of filtering equipment, in particular to a quenching water dedusting and filtering system.

Background

Quench water belongs to one kind of process water, is commonly used for high-pressure spraying into a reactor to terminate the reaction or cool down process materials, and generally after direct contact heat exchange, the quench water is still continuously put into use at present and enters circulation, so that the quench water contains more impurities. The quench water contains a large amount of catalyst and oil, and the conventional filter is adopted for filtering, so that the filter element is seriously blocked and cannot be regenerated, the catalyst cannot be removed effectively, the oil in the quench water cannot be removed, the subsequent heat exchanger and other process equipment are seriously blocked, and the heat exchanger is frequently detached and the filter element is cleaned, so that not only is the manpower wasted, but also the productivity is affected.

Disclosure of Invention

It is an object of the present utility model to provide a quench water dust removal filtration system that addresses one or more of the problems described above.

According to one aspect of the present utility model, there is provided a quench water dust removal filtration system comprising a filtration unit comprising a filter cartridge, a faceplate, an AFM active filter layer, a conduit, and a pneumatic ball valve; the filter cylinder is a vertical container, the flower plate is horizontally arranged in the filter cylinder to divide the internal space of the filter cylinder into two parts, a stainless steel water cap is arranged on the flower plate, and the AFM active filter material layer is arranged on the upper part of the flower plate; the pipeline is divided into a water inlet pipe, a water outlet pipe, an air inlet pipe, a blow-down pipe and a blow-down pipe which are respectively communicated with the filter cylinder; the pneumatic ball valve is divided into a water inlet valve, a water outlet valve, an air inlet valve, an air outlet valve and a blow-down valve; the water inlet valve is arranged on the water inlet pipe, the water outlet valve is arranged on the water outlet pipe, the air inlet valve is arranged on the air inlet pipe, the air outlet valve is arranged on the air outlet pipe, and the drain valve is arranged on the drain pipe.

Therefore, the utility model can effectively separate the catalyst and the oil in the quench water by utilizing the characteristics of the AFM active filter material, and can realize that the filtered quench water is used as a backwashing medium, so that the cleanliness is high and the backwashing energy is high.

In some embodiments, the filtration unit further comprises a top port disposed at the top of the filter cartridge, a bottom port disposed at the bottom of the filter cartridge, and a vent port disposed around the top port; a first main pipe is arranged at the top opening, and two branch pipes are led out of the first main pipe, namely the water inlet pipe and the sewage draining pipe; the bottom port is provided with a second main pipe, and the second main pipe is led out of two branch pipes, namely the water outlet pipe and the air inlet pipe; the vent is directly communicated with the vent pipe. Thereby fixing the position of the inlet and outlet of the stock solution and realizing the flow of the stock solution from top to bottom.

In some embodiments, the filter cartridge further comprises a middle drain pipe, wherein the middle drain pipe enters the inner cavity of the filter cartridge at the middle position of the filter cartridge, and a middle drain valve is arranged at the outer part of the middle drain pipe, and the middle drain valve uses a pneumatic ball valve. This assembly serves to lower the liquid level during backwash.

In some embodiments, the system is provided with a plurality of sets of the filter units in parallel. The number of the filtering units can be determined according to the processing flow, and flexible arrangement of the filtering system is realized.

Further, the system also comprises an inlet main pipe, an outlet main pipe, an air inlet main pipe, a blow-down main pipe and a sewage main pipe; the inlet manifold is formed by combining the water inlet pipes of the plurality of groups of filtering units, the outlet manifold is formed by combining the water outlet pipes of the plurality of groups of filtering units, the air inlet manifold is formed by combining the air inlet pipes of the plurality of groups of filtering units, the air discharge manifold is formed by combining the air discharge pipes of the plurality of groups of filtering units, and the sewage discharge manifold is formed by combining the sewage discharge pipes of the plurality of groups of filtering units. Therefore, multi-pipeline aggregation can be realized, and unified management and detection can be performed.

Further, the system also comprises a differential pressure transmitter which is connected with the inlet main pipe and the outlet main pipe, so that the differential pressure of the filtering system can be monitored to judge whether a back flushing program is started or not.

In some embodiments, the system uses a PLC control system, so that the data such as backwash process time, backwash interval period, backwash differential pressure and the like can be set arbitrarily according to the flow and process conditions; the reliable intelligent control ensures that the filtration, cleaning and pollution discharge are automatically operated, thereby realizing unattended operation and uninterrupted operation.

The utility model overcomes the defects that the backwashing of the traditional filtering product is not thorough and the oil in the medium can not be effectively removed; the defects of unstable external medium pressure and insufficient backwashing strength are eliminated; compared with the traditional filter, the filter has the advantages of low system investment, low operation cost, less maintenance and the like.

Drawings

FIG. 1 is a front view of a schematic structural diagram of one embodiment of the present utility model;

FIG. 2 is a side view of a schematic structural diagram of one embodiment of the present utility model;

FIG. 3 is a process flow diagram of one embodiment of the present utility model.

Detailed Description

So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure.

The quenching water dedusting and filtering system as shown in fig. 1, 2 and 3 comprises a PLC control system, a differential pressure transmitter (7), a filtering unit, an inlet main pipe (51), an outlet main pipe (52), an inlet main pipe (53), a vent main pipe (54) and a sewage main pipe (55).

The filter unit comprises a filter cartridge (1), a flower plate (2), an AFM active filter material layer, a pipeline and a pneumatic ball valve. The filter cartridge (1) is a vertical container, the flower plate (2) is horizontally arranged at the middle part of the inner cavity of the filter cartridge (1) and divides the inner cavity of the filter cartridge (1) into two parts, the flower plate (2) is provided with a stainless steel water cap, and the AFM active filter material layer is arranged at the upper part of the flower plate (2). AFM active filter materials are made of very specific types of green or brown glass, engineered to achieve optimal and consistent particle size and shape, activated to increase the surface 300 times that of glass or quartz sand, chemically and thermally treated to ensure permanently negatively charged surface characteristics, which gives AFM active filter materials self-disinfecting properties, and AFM active filter materials that do not harden or form wormholes, do not cause biofouling, and are used for life without replacement.

The pipeline is divided into a water inlet pipe (31), a water outlet pipe (32), an air inlet pipe (33), a blow-down pipe (34), a blow-down pipe (35) and a middle exhaust pipe (36), and the pneumatic ball valve is divided into a water inlet valve (41), a water outlet valve (42), an air inlet valve (43), a blow-down valve (44), a blow-down valve (45) and a middle exhaust valve (46). The filter unit further comprises a top opening (11), a bottom opening (12) and a vent opening (13), wherein the top opening (11) is arranged at the top of the filter cartridge (1), the bottom opening (12) is arranged at the bottom of the filter cartridge (1), and the vent opening (13) is arranged around the top opening (11); a first main pipe (61) is arranged at the top opening (11), and two branch pipes are led out from the first main pipe (61) and are respectively a water inlet pipe (31) and a sewage discharge pipe (35); a second main pipe (62) is arranged at the bottom port (12), and two branch pipes, namely a water outlet pipe (32) and an air inlet pipe (33), are led out from the second main pipe (62); an emptying pipe (34) is arranged at the emptying port (13); the middle calandria (36) enters the inner cavity of the filter cylinder (1) at the middle position of the filter cylinder (1). The water inlet pipe (31) is provided with a water inlet valve (41), the water outlet pipe (32) is provided with a water outlet valve (42), the air inlet pipe (33) is provided with an air inlet valve (43), the blow-down pipe (34) is provided with a blow-down valve (44), the blow-down pipe (35) is provided with a blow-down valve (45), and the middle calandria (36) is provided with a middle row valve (46).

The utility model adopts a multi-cylinder structure, the whole filtering system can be divided into a plurality of rows, and each filtering system consists of a plurality of groups of filtering units. Wherein the inlet manifold (51) is formed by combining water inlet pipes (31) of a plurality of groups of filtering units, the outlet manifold (52) is formed by combining water outlet pipes (32) of a plurality of groups of filtering units, the air inlet manifold (53) is formed by combining air inlet pipes (33) of a plurality of groups of filtering units, the air outlet manifold (54) is formed by combining air outlet pipes (34) of a plurality of groups of filtering units, and the sewage outlet manifold (55) is formed by combining sewage outlet pipes (35) of a plurality of groups of filtering units. The filtering system is flexible in arrangement, the number of the filtering units can be determined according to the processing flow, and then the filtering units are combined according to the field size. The filtration system may achieve an average distribution of process flows to each group of filtration units.

The differential pressure transmitter (7) is connected with the inlet header pipe (51) and the outlet header pipe (52) and monitors the differential pressure of the filtering system. The control system adopts PLC field control and can carry out DCS configuration. The PLC programmable controller is a Programmable Logic Controller (PLC) which outputs a contact signal by a set point signal of a differential pressure transmitter (7) through a program to enable a field electromagnetic valve to act and drive an actuating mechanism to enable a corresponding valve position state to change. The PLC control system can determine the relation between information according to the design of the flow, arrange the configuration of input and output, and number the addresses of input and output. Meanwhile, a control button corresponding to the valve is arranged in the control system, the corresponding filtering unit can be forcedly backwashed by pressing the button, and data such as backwash process time, backwash interval period, backwash differential pressure and the like can be set at will according to specific conditions of the flow and the process, so that the operation of the filtering system is more in accordance with on-site operation conditions, and the discharge amount of sewage is reduced. Meanwhile, the PLC can conduct real-time data exchange, a user can monitor the running state of the filtering system at the PLC, can start or stop the filtering system, and can remotely conduct back flushing operation on the on-site filtering unit.

The process flow using the utility model is as follows:

quench water enters the filtering system from the inlet header pipe (51), is evenly distributed to each filtering unit, enters the filtering cylinder (1) from the water inlet pipe (31) at the top of the filtering cylinder (1), passes through the AFM active filtering material layer arranged on the flower plate (2) from top to bottom, and is reserved to the outlet header pipe (52) through the water outlet pipe (32) at the bottom of the filtering cylinder (1), so that the quench water flows out of the filtering system and enters downstream equipment. And as the catalyst and the oil are continuously accumulated in the AFM active filter material layer, the differential pressure in the filter cylinder (1) gradually rises, and when the differential pressure reaches a set value, the PLC control system starts to control the back flushing of the filter unit. Firstly, a standby filter unit is put into use, the current filter unit is cut out, and the rest filter units work normally. Then the water inlet valve (41) and the water outlet valve (42) of the current filter unit are closed, the middle discharge valve (46) is opened to lower the liquid level to the middle discharge position, and then the middle discharge valve (46) is closed. And then opening an air inlet valve (43) and an air discharge valve (44), flushing the filter material by using steam, cooking the filter material at the same time, evaporating oil stains attached to the surface of the filter material along with the steam, wherein the air inlet time is 200 seconds, and then closing the steam valve. Then the water outlet valve (42) and the blow-down valve (45) are opened to enable the filtered quenching water to flow reversely, the filtered impurities are washed out through the blow-down pipe (35), the backwashing time is 200 seconds, and the backwashing is finished and put into use. The rest filter cartridges (1) are backwashed in sequence according to the steps, and the backwashed program is finished after all the filter cartridges (1) are alternately reserved. And after back flushing, the system differential pressure recovers the initial differential pressure.

In summary, the utility model overcomes the defects that the backwashing of the traditional filtering product is not thorough, the medium oil and the like cannot be effectively removed, and the catalyst and the oil in the quench water are effectively separated by utilizing the characteristics of AFM active filter materials. The reliable intelligent control ensures that the filtration, cleaning and pollution discharge are automatically operated, the unattended operation is realized, and the operation is uninterrupted; the filtered medium is utilized for backwashing, so that the cleanliness is high, the backwashing energy is high, other external medium is not required to be introduced, and the tightness and the economy of the system are ensured; can realize permanent use without disassembling equipment and replacing filler; the optimized control mode is designed, the backwashing time is short, the pollution discharge consumption is low, and the resources are saved; the maintainability is strong, and the installation and the disassembly are simple and easy.

The equipment is applicable to a wide range of industries including industries of construction, chemical industry, electric power, metallurgy, rubber, papermaking, light spinning, coal, food and the like, and can remove medium suspended matters, particles and oil, reduce turbidity, purify the medium, reduce the generation of system dirt, bacteria and algae, rust and the like, and protect other equipment of the system from working normally.

The foregoing is merely one embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several similar modifications and improvements can be made without departing from the inventive concept, and these should also be considered as being within the scope of the present utility model.

Claims

1. A rapid cooling water dedusting and filtering system is characterized in that: the device comprises a filtering unit, wherein the filtering unit comprises a filter cartridge (1), a flower plate (2), an AFM active filter material layer, a pipeline and a pneumatic ball valve; the filter cylinder (1) is a vertical container, the flower plate (2) is horizontally arranged at the middle part of the inner cavity of the filter cylinder (1) and is used for dividing the inner space of the filter cylinder (1) into two parts, a stainless steel water cap is arranged on the flower plate (2), and the AFM active filter material layer is arranged at the upper part of the flower plate (2); the pipeline is divided into a water inlet pipe (31), a water outlet pipe (32), an air inlet pipe (33), an emptying pipe (34) and a blow-down pipe (35), and the water inlet pipe, the air inlet pipe, the emptying pipe and the blow-down pipe are respectively communicated with the filter cartridge (1); the pneumatic ball valve is divided into a water inlet valve (41), a water outlet valve (42), an air inlet valve (43), an air discharge valve (44) and a drain valve (45); the water inlet pipe (31) is provided with the water inlet valve (41), the water outlet pipe (32) is provided with the water outlet valve (42), the air inlet pipe (33) is provided with the air inlet valve (43), the blow-down pipe (34) is provided with the blow-down valve (44), and the blow-down pipe (35) is provided with the blow-down valve (45).

2. A quench water dust removal filtration system as claimed in claim 1, wherein: the filter unit further comprises a top port (11), a bottom port (12) and an emptying port (13), wherein the top port (11) is arranged at the top of the filter cartridge (1), the bottom port (12) is arranged at the bottom of the filter cartridge (1), and the emptying port (13) is arranged around the top port (11); a first main pipe (61) is arranged at the top opening (11), and two branch pipes are led out of the first main pipe (61) and are respectively the water inlet pipe (31) and the sewage draining pipe (35); the bottom port (12) is provided with a second main pipe (62), and the second main pipe (62) is led out of two branch pipes, namely the water outlet pipe (32) and the air inlet pipe (33); the vent (13) is directly communicated with the vent pipe (34).

3. A quench water dust removal filtration system as claimed in claim 1, wherein: the filter unit further comprises a middle drain pipe (36), the middle drain pipe (36) enters the inner cavity of the filter cylinder (1) at the middle position of the filter cylinder (1), a middle drain valve (46) is arranged at the outer part of the filter unit, and the middle drain valve (46) uses a pneumatic ball valve.

4. A quench water dust removal filtration system as claimed in claim 1, wherein: the system is provided with a plurality of groups of the filter units in parallel.

5. A quench water dust removal filtration system as claimed in claim 4, wherein: the system also comprises an inlet main pipe (51), an outlet main pipe (52), an air inlet main pipe (53), a blow-down main pipe (54) and a sewage main pipe (55); the inlet manifold (51) is formed by combining the water inlet pipes (31) of the multiple groups of filtering units, the outlet manifold (52) is formed by combining the water outlet pipes (32) of the multiple groups of filtering units, the air inlet manifold (53) is formed by combining the air inlet pipes (33) of the multiple groups of filtering units, the air discharge manifold (54) is formed by combining the air discharge pipes (34) of the multiple groups of filtering units, and the sewage discharge manifold (55) is formed by combining the sewage discharge pipes (35) of the multiple groups of filtering units.

6. A quench water dust removal filtration system as claimed in claim 5, wherein: the system further comprises a differential pressure transmitter (7), wherein the differential pressure transmitter (7) is connected with the inlet main pipe (51) and the outlet main pipe (52).

7. A quench water dust removal filtration system as claimed in claim 1, wherein: the system uses a PLC control system.