CN219149405U - CTA slurry filter discharge lump material recovery system - Google Patents
CTA slurry filter discharge lump material recovery system Download PDFInfo
- Publication number
- CN219149405U CN219149405U CN202222558596.XU CN202222558596U CN219149405U CN 219149405 U CN219149405 U CN 219149405U CN 202222558596 U CN202222558596 U CN 202222558596U CN 219149405 U CN219149405 U CN 219149405U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- outlet
- filter
- metal frame
- flushing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a CTA slurry filter discharging lump material recovery system, which comprises a flushing pipeline communicated with an outlet pipeline at the bottom of a CTA slurry filter, wherein an outlet ball valve is arranged on the outlet pipeline, a ball valve b is arranged on the flushing pipeline, the outlet end of the flushing pipeline is communicated with the bottom outlet of a metal frame, a switch butterfly valve for discharging lump materials is arranged at the bottom outlet of the metal frame, and a ton bag for collecting lump materials is arranged below the switch butterfly valve; the outlet of the top of the metal frame is communicated with a pipeline filter, the outlet of the top of the pipeline filter is connected with a pulping tank through a filtered water outlet pipeline, and a ball valve c is arranged on the filtered water outlet pipeline; the outlet pipeline at the bottom of the CTA slurry filter is also communicated with an FLW flushing pipeline positioned at the front end of the flushing pipeline, and the FLW flushing pipeline is provided with a ball valve a. The recovery system can recover the lump materials discharged by switching the CTA slurry filter, and reduce PX consumption.
Description
Technical Field
The utility model belongs to the technical field of crude terephthalic acid production and recovery, and particularly relates to a CTA slurry filter discharge lump material recovery system.
Background
Refined terephthalic acid (PTA) is an important raw material for synthesizing polyester fibers, and is generally prepared by generating Crude Terephthalic Acid (CTA) through liquid-phase air catalytic oxidation of Paraxylene (PX) and then further hydrofining. In the CTA refining section, in order to maintain long-period stable operation of a CTA slurry filter, large CTA lump materials crystallized in the filter need to be discharged periodically, and at present, the lump materials discharged from the CTA slurry filter are directly discharged into a trench as waste materials, and are not effectively recycled, so that PX consumption is increased.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a CTA slurry filter discharging lump material recovery system, which can recover lump materials discharged by switching a CTA slurry filter, and reduce PX consumption.
The utility model adopts the technical proposal for solving the technical problems that: the CTA slurry filter discharging lump material recovery system comprises a flushing pipeline which is communicated with an outlet pipeline at the bottom of the CTA slurry filter, wherein an outlet ball valve is arranged on the outlet pipeline, a ball valve b is arranged on the flushing pipeline, the outlet end of the flushing pipeline is communicated with the bottom outlet of a metal frame, a switch butterfly valve for discharging lump materials is arranged at the bottom outlet of the metal frame, and a ton bag for collecting lump materials is arranged below the switch butterfly valve; the outlet of the top of the metal frame is communicated with a pipeline filter, the outlet of the top of the pipeline filter is connected with a pulping tank through a filtered water outlet pipeline, and a ball valve c is arranged on the filtered water outlet pipeline; the outlet pipeline at the bottom of the CTA slurry filter is also communicated with an FLW flushing pipeline positioned at the front end of the flushing pipeline, and the FLW flushing pipeline is provided with a ball valve a.
As a further embodiment of the utility model, the front end of the bottom outlet of the metal frame is provided with a discharge pipeline communicated with the flushing pipeline, and the discharge pipeline is provided with a discharge ball valve.
As a further embodiment of the utility model, the filtered water outlet line is connected with a quick connector at the rear end of the pipeline filter for connecting an alkali or desalted water flushing pipeline.
As a further embodiment of the present utility model, the metal frame is a filter with an inner screen removed.
The beneficial effects of the utility model include: through reasonable configuration of the metal frame, the pipeline filter and the corresponding pipeline/valve, unremoved fine powder of the CTA slurry filter can be recovered, the discharged lump materials are recovered through switching of the CTA slurry filter, the collection requirement of the CTA slurry filter lump materials is met, PX consumption is reduced, and income is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of a CTA slurry filter discharge block recovery system.
The reference numerals in the drawings illustrate: 1. CTA slurry filter, 2, outlet ball valve, 3, bottom on-off valve, 4, ball valve a,5, side flushing line, 6, ball valve b,7, total flushing line, 8, metal frame, 9, drain line, 10, drain ball valve, 11, on-off butterfly valve, 12, ton bag, 13, pipe filter, 14, filtered water outlet line, 15, beater tank, 16, parking caustic wash line, 17, first hand valve, 18, second hand valve, 19, ball valve c,20, 8 word blind plate, 21, quick connect.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "horizontal", "inner", "outer", etc., are based on the azimuth or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or component referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," second, "and third" are used merely to distinguish components and should not be construed as indicating or implying relative importance.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Example 1
In this embodiment, the recovery system is described by taking six CTA slurry filters 1 as an example, the bottom outlet end of each CTA slurry filter 1 is respectively connected with an outlet pipeline, an outlet ball valve 2 and a bottom switch valve 3 are arranged on the outlet pipeline, the tail end of the outlet pipeline is communicated with a trench, an FLW flushing pipeline is communicated with the outlet pipeline, a ball valve a4 is arranged on the FLW flushing pipeline, a communication point between the FLW flushing pipeline and the outlet pipeline is located between the outlet ball valve 2 and the bottom switch valve 3, the FLW refers to a circulating solvent in a refining unit, and the solution contains a small amount of PT acid and CTA powder.
The CTA slurry filter discharge lump material recovery system comprises six side flushing pipelines 5 which are respectively communicated with outlet pipelines of each CTA slurry filter 1, wherein each side flushing pipeline 5 is provided with a 4-inch ball valve b6, each side flushing pipeline 5 is communicated with a main flushing pipeline 7, the outlet end of the main flushing pipeline 7 is communicated with the bottom outlet of a metal frame 8, the front end of the bottom outlet of the metal frame 8 is provided with a discharge pipeline 9 which is communicated with the main flushing pipeline 7, and the discharge pipeline 9 is provided with a 3-inch discharge ball valve 10;
an 18-inch switch butterfly valve 11 is arranged at the bottom outlet of the metal frame 8 and is used for discharging lump materials periodically, and a ton bag 12 is arranged right below the switch butterfly valve 11 and is used for collecting the discharged lump materials;
the flange at the top outlet of the metal frame 8 is connected with a pipeline filter 13 for intercepting lump materials, the top outlet of the pipeline filter 13 is connected with a filtered water outlet pipeline 14, and the tail end of the filtered water outlet pipeline 14 is communicated with a parking alkaline washing pipeline 16 at the front end of a pulping tank 15 for recycling fine powder which is not removed by the CTA slurry filter 1; the filtered water outlet pipeline 14 is provided with a ball valve c19; the parking alkali wash pipeline 16 is provided with a first hand valve 17 and a second hand valve 18, the communication point between the filtered water outlet pipeline 14 and the parking alkali wash pipeline 16 is positioned between the first hand valve 17 and the second hand valve 18, and the rear end of the first hand valve 17 is provided with an 8-shaped blind plate 20.
The filtered water outlet pipeline 14 is connected with a 1 inch quick connector 21 positioned at the rear end of the pipeline filter 13, if the metal frame 8 or the pipeline filter 13 is blocked, a switch butterfly valve 11 at the bottom of the metal frame 8 can be opened to isolate a ball valve 10 and a ball valve c19 at the inlet and outlet of the metal frame 8, then the top quick connector 21 is connected with alkali or desalted water for flushing, and the blocked lump materials are discharged; or the flange at the top of the metal frame 8 is disassembled, and the pipeline filter 13 is disassembled and cleaned.
Preferably, in the above embodiments, the metal frame 8 may be removed using old equipment, such as a filter housing of a finished baler system, and the filter inner screen removed; the pipeline filter 13 is a 12-inch temporary filter detached by an old device, and the aperture of a filter screen is phi 4; the on-off butterfly valve 11 was an 18 inch 150 pound SS304 material control butterfly valve removed from the old fan inlet.
The work flow of the recovery system is as follows:
1. and (3) confirming the flow:
before the CTA slurry filter 1 is returned to the metal frame 8, the 3-inch discharge ball valve 10 is confirmed to be closed before entering the metal frame 8, the bottom switch butterfly valve 11 is confirmed to be closed, the 1-inch quick connector 21 at the top of the metal frame 8 is confirmed to be closed, and the 4-inch ball valve c19 is confirmed to be dredged.
2. Replacement of the powder in metal frame 8:
after the CTA slurry filter 1 is switched and isolated, a top flushing pipeline and a side flushing pipeline 5 of the CTA slurry filter 1 are opened, an outlet ball valve 2 and a ball valve b6 between the bottom of the CTA slurry filter 1 and a metal frame 8 are dredged, a second hand valve 18 between the metal frame 8 and the pulping tank 15 is dredged, the lump material and a small amount of powder material of the CTA slurry filter 1 are flushed back to the metal frame 8, the discharged lump material and powder material are deposited in the metal frame 8, the top flushing pipeline and the side flushing pipeline 5 of the CTA slurry filter 1 are closed, a first outlet ball valve 2 at the bottom of the CTA slurry filter 1 is closed, a ball valve a4 is opened, the FLW flushing pipeline is used for flushing water into the metal frame 8, the powder material and water are recycled to the pulping tank 15 through a pipeline filter 13 at the top of the metal frame 8, after the powder material replacement in the metal frame 8 is completed, the ball valve a4 is closed, the isolating ball valve b6 is closed, and the second hand valve 18 between the metal frame 8 and the pulping tank 15 is isolated;
before the metal frame 8 is put into use to recycle powder to the pulping tank 15, the production needs to confirm that the first hand valve 17 is isolated on the shutdown alkaline washing pipeline 16 of the pulping tank 15, and the 8-shaped blind plate 20 is added after the first hand valve 17, and the pipeline from the metal frame 8 to the pulping tank 15 is replaced completely, so that the pulping tank 15 is prevented from being polluted by alkali, and the pulping tank 15 can be put into use.
3. Metal frame 8 rows of blocks:
and opening a 3-inch discharge ball valve 10 in front of the metal frame 8, discharging residual water in the empty metal frame 8 and the pipeline, confirming that the water discharge is finished, preparing a ton bag 12 right below the metal frame 8, and opening a switch butterfly valve 11 to discharge blocks.
4. And (3) recovering the flow:
after the lump materials are discharged, the switch butterfly valve 11 is closed, the process is conducted to a standby state, after the ton bags 12 are full, the fork truck is coordinated to fork away and replace the empty ton bags 12, and the collected CTA lump materials are ground by the grinder and returned to the system for recycling.
In the above processes, the bottom switch valve 3 for controlling whether the outlet pipeline of the CTA slurry filter 1 is connected with the trench is always kept in an isolated state, that is, in a closed state, when the metal frame 8 is blocked or the pipeline reaching the metal frame 8 is not smooth, the bottom switch valve 3 is opened, and the CTA slurry filter 1 is switched back to the original process of discharging to the trench for flushing and discharging, so that normal switching of the CTA slurry filter 1 is not affected, and the operation of the device is not affected.
The system can recycle the lump materials discharged by switching the CTA slurry filter, meets the lump material collection requirement of the CTA slurry filter, reduces PX consumption and improves income.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (4)
1. The CTA slurry filter discharging lump material recovery system is characterized by comprising a flushing pipeline which is communicated with an outlet pipeline at the bottom of a CTA slurry filter (1), wherein an outlet ball valve (2) is arranged on the outlet pipeline, a ball valve b (6) is arranged on the flushing pipeline, the outlet end of the flushing pipeline is communicated with the bottom outlet of a metal frame (8), a switch butterfly valve (11) for discharging lump materials is arranged at the bottom outlet of the metal frame (8), and a ton bag (12) for collecting lump materials is arranged below the switch butterfly valve (11); the top outlet of the metal frame (8) is communicated with a pipeline filter (13), the top outlet of the pipeline filter (13) is connected with a pulping tank (15) through a filtered water outlet pipeline (14), and a ball valve c (19) is arranged on the filtered water outlet pipeline (14); the bottom outlet pipeline of the CTA slurry filter (1) is also communicated with an FLW flushing pipeline positioned at the front end of the flushing pipeline, and the FLW flushing pipeline is provided with a ball valve a (4).
2. A CTA slurry filter reject block recovery system according to claim 1, characterized in that the front end of the bottom outlet of the metal frame (8) is provided with a discharge line (9) communicating with the flushing line, and the discharge line (9) is provided with a discharge ball valve (10).
3. A CTA slurry filter reject block recovery system according to claim 1, characterized in that the filtered water outlet line (14) is connected with a quick connector (21) at the rear end of the pipe filter (13) for connecting to an alkaline or desalinated water flushing line.
4. A CTA slurry filter reject block recovery system according to claim 1, characterized in that the metal frame (8) is a filter with the inner screen removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222558596.XU CN219149405U (en) | 2022-09-27 | 2022-09-27 | CTA slurry filter discharge lump material recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222558596.XU CN219149405U (en) | 2022-09-27 | 2022-09-27 | CTA slurry filter discharge lump material recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219149405U true CN219149405U (en) | 2023-06-09 |
Family
ID=86618274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222558596.XU Active CN219149405U (en) | 2022-09-27 | 2022-09-27 | CTA slurry filter discharge lump material recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219149405U (en) |
-
2022
- 2022-09-27 CN CN202222558596.XU patent/CN219149405U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219149405U (en) | CTA slurry filter discharge lump material recovery system | |
| CN103111115A (en) | Solid-liquid autosegregation filter and filtering method thereof | |
| CN102179086A (en) | Alkali cleaning system for filter cloth of press filter and cleaning method thereof | |
| CN110604971B (en) | Sediment device is arranged before intelligent sewage pump | |
| CN105771417A (en) | Method for filtering and recovering solid particles in mother solution at PTA oxidation stage and filter using method | |
| CN101381383B (en) | Decolorization material filter in anhydrous dextrose production process | |
| CN209596647U (en) | A kind of Treatment of Sludge canvas press cloth cleaning system | |
| CN217939347U (en) | Continuous filtering device capable of realizing uninterrupted filtering during cleaning | |
| CN216259530U (en) | Raw water filtering device with backwashing function | |
| CN201257329Y (en) | Filter for filtering crude TiCl4 suspending liquid and filtering systeM | |
| CN213760658U (en) | Building sewage and waste residue filtering and discharging device for building construction | |
| CN210786399U (en) | Neutralizing clear liquid filtering tank | |
| CN114849314A (en) | Continuous filtering method capable of realizing uninterrupted filtering during cleaning | |
| CN220159391U (en) | Liquid filtering system capable of being recycled and washed | |
| CN217409918U (en) | Mother liquor recovery unit in PTA waste water | |
| CN205699650U (en) | A kind of acid bath is filtered and is cleaned device | |
| CN217961504U (en) | Preposed automatic cleaning device for car washing sewage | |
| CN211799362U (en) | But sediment type filters water tank | |
| CN208852485U (en) | A kind of efficient, environment-friendly type plate and frame filter press | |
| CN220294236U (en) | Nickel plating washs waste water collecting tank | |
| CN221181781U (en) | Filter pressing device capable of automatically washing | |
| CN218501407U (en) | Grain water recovery system is cut to extrusion pelleter | |
| CN219401406U (en) | Water circulation type grain cleaning machine | |
| CN213895576U (en) | Filter equipment for continuous thermal hydrolysis of mud | |
| CN216725947U (en) | Silicon cell section waste water filter-pressing black liquid treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |