CN217409918U - Mother liquor recovery unit in PTA waste water - Google Patents
Mother liquor recovery unit in PTA waste water Download PDFInfo
- Publication number
- CN217409918U CN217409918U CN202221045020.7U CN202221045020U CN217409918U CN 217409918 U CN217409918 U CN 217409918U CN 202221045020 U CN202221045020 U CN 202221045020U CN 217409918 U CN217409918 U CN 217409918U
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- wastewater
- waste water
- end cover
- pta
- filtering
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- 239000002351 wastewater Substances 0.000 title claims abstract description 91
- 238000011084 recovery Methods 0.000 title claims abstract description 30
- 239000012452 mother liquor Substances 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003513 alkali Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 26
- 230000008901 benefit Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 241001233242 Lontra Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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Abstract
The utility model discloses a mother liquor recovery device in PTA wastewater, which comprises a filtering barrel body, wherein the bottom end of the filtering barrel body is provided with a connecting barrel, the bottom end of the connecting barrel body is provided with a lower end cover, the outer side of the circumference of the connecting barrel body is provided with a plurality of supporting legs which are arranged at equal intervals, and the bottom end of the lower end cover is provided with a water outlet; the top end of the filtering cylinder body is provided with an upper end cover, one side of the upper end cover is provided with a wastewater outlet pipe, and the top of the upper end cover is sequentially provided with a compressed air inlet pipe, a wastewater inlet pipe and a liquid inlet alkali pipe; a plurality of wastewater return pipes are arranged on the outer edge of the circumference of the bottom of the upper end cover, and a filtering device is arranged at the bottom end of each wastewater return pipe. Through setting up the last mode of arranging, arrange waste water to filtering the barrel and deposit, cooperation air pressurization makes waste water upwards arrange to the waste water back flow through filtering device and accomplish solid-liquid separation until the waste water outlet pipe to solid content in the at utmost recovery PTA waste water, and the at utmost reduces the influence of solid content to filter equipment, guarantees the filtration recovery effect after the long-term operation.
Description
Technical Field
The utility model relates to a PTA waste water solid recovery field particularly, relates to a mother liquor recovery unit in PTA waste water.
Background
In general, PTA wastewater is sent from a main device to a sewage station accident pool through a pipeline by a pump, and the subsequent sewage station directly sends part of wastewater to an anaerobic and aerobic system for treatment by simple sedimentation. The PTA wastewater contains 0.05-0.2% of solid content (the main component is TA, namely terephthalic acid), the part of solid belongs to substances which are difficult to treat for sewage, the influence on subsequent sewage treatment is large, and the part of solid has recovery value and can create certain economic benefit. Therefore, the recovery filtering device is adopted to recycle the PTA wastewater to a certain degree in the PTA wastewater treatment, and the wastewater is filtered and decontaminated by adopting a filtering and precipitating mode at present to realize solid-liquid separation.
As patent number CN211896487U discloses a mother liquor recovery unit in PTA waste water, this recovery unit carries out preliminary stirring through agitator motor drive stirring pivot and puddler to the heavy metal impurity in the PTA mother liquor to carry out preliminary filtering work to it via filtering the otter board, directly arrange into secondary filter chamber through the flowing back fill behind the preliminary filtration, carry out the meticulous filtering work of secondary through milipore filter filtration PTA mother liquor, avoided milipore filter filtration to take place to block up and be difficult to the condition of clearance at the in-process of long-term use. However, the recovery device has certain defects, such as extra energy consumption and insufficient environmental protection due to the adoption of a mode of stirring and accelerating filtration driven by a motor; it adopts downward precipitation filterable mode, because impurity piles up downwards, can seriously influence the filter effect of filter screen after using a certain period, reduces the efficiency of retrieving.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem in the correlation technique, the utility model provides a mother liquor recovery unit in PTA waste water to overcome the above-mentioned technical problem that current correlation technique exists.
Therefore, the utility model discloses a specific technical scheme as follows:
a recovery device for mother liquor in PTA wastewater comprises a filtering barrel, wherein a connecting barrel is arranged at the bottom end of the filtering barrel, a lower end cover is arranged at the bottom end of the connecting barrel, a plurality of support legs which are arranged at equal intervals are arranged on the outer side of the circumference of the connecting barrel, and a water outlet is arranged at the bottom end of the lower end cover; the top end of the filtering cylinder body is provided with an upper end cover, one side of the upper end cover is provided with a wastewater outlet pipe, and the top of the upper end cover is sequentially provided with a compressed air inlet pipe, a wastewater inlet pipe and a liquid inlet alkali pipe; a plurality of wastewater return pipes are arranged on the outer edge of the circumference of the bottom of the upper end cover, and a filtering device is arranged at the bottom end of each wastewater return pipe.
Furthermore, the lower end cover is movably connected with the connecting cylinder to realize the closing of the switch, so that the solid content stored in the lower end cover can be quickly recovered and removed; make the bottom end cover can carry out automatically regulated and realize freely hovering through the effect of cylinder simultaneously, improve device's functionality, be provided with the connection hinge between connecting cylinder and the bottom end cover back, the connecting cylinder openly is provided with the fixing clip seat, the bottom end cover openly is provided with the joint board, be provided with fixing bolt between fixing clip seat and the joint board, the connecting cylinder both sides all are provided with connects the side ear, the bottom end cover both sides all are provided with down and connect the side ear, be located and be provided with the cylinder between last connection side ear and the lower connection side ear of homonymy.
Furthermore, in order to effectively ensure the sealing performance between the lower end cover and the connecting cylinder and avoid the leakage of liquid caused by gaps, a sealing gasket is arranged on the outer edge of the circumference of the bottom of the connecting cylinder.
Further, in order to assemble and communicate the waste liquid recovered by the waste water return pipe, the upper end cover is of a concave structure, the bottom of the upper end cover is provided with a waste water ring cavity, and the waste water ring cavity is communicated with the waste water return pipe through the waste water outlet pipe.
Further, in order to evenly shunt the fallen waste water, avoid directly falling into the filter cylinder and cause the damage to the barrel, cooperate the manometer to survey the inside pressure condition in real time simultaneously, bottom centre of a circle position is provided with the rivers distributor in the upper end cover, and the positive top of upper end cover is provided with the manometer.
The utility model has the advantages that:
1. through setting up the mode of going up the row on, arrange waste water to filtering the barrel and deposit, cooperation air pressurization makes waste water upwards arrange to the waste water back flow through filtering device and accomplish solid-liquid separation until the waste water outlet pipe to solid content in the at utmost recovery PTA waste water, and the at utmost reduces solid content and to filtering device's influence, guarantees the filtration recovery effect after the long-term operation, possesses functional advantages such as easy operation and high life.
2. Through setting up the filter equipment that the suspension type is convenient for change, can dismantle filter equipment's filter core filter screen and carry out specification adjustment according to the waste water type and change to improve the flexibility and the practicality of device.
3. The device has the advantages that the liquid inlet alkali pipe is arranged, alkali liquor can be introduced to clean the inside of the device, the cleanliness of the inside of the device is effectively guaranteed, and the filter screen and a pipeline are prevented from being blocked; and meanwhile, water can be uniformly distributed through the water flow distributor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a front structure of a device for recovering mother liquor in PTA wastewater according to an embodiment of the present invention;
FIG. 2 is a bottom view of a device for recovering mother liquor from PTA wastewater according to an embodiment of the present invention;
FIG. 3 is a rear view of a recovery device for mother liquor in PTA wastewater according to an embodiment of the present invention;
fig. 4 is a partial sectional view of a mother liquor recovery device in PTA waste water according to an embodiment of the present invention.
In the figure:
1. a filter cylinder; 2. a connecting cylinder; 3. a lower end cover; 4. supporting legs; 5. a water outlet; 6. an upper end cover; 7. a waste water outlet pipe; 8. a compressed air inlet pipe; 9. a wastewater inlet pipe; 10. an alkali inlet pipe; 11. a waste water return pipe; 12. a filtration device; 13. connecting a hinge; 14. fixing the clamping seat; 15. a clamping and connecting plate; 16. fixing the bolt; 17. the upper connecting side lug; 18. the lower part is connected with a lateral lug; 19. a cylinder; 20. a sealing gasket; 21. a wastewater annulus; 22. a water flow distributor; 23. and a pressure gauge.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides a mother liquor recovery unit in PTA waste water.
The present invention will be further explained with reference to the accompanying drawings and specific embodiments, as shown in fig. 1-4, the recovery device of mother liquor in PTA wastewater according to the embodiment of the present invention comprises a filtering cylinder 1, a connecting cylinder 2 is disposed at the bottom end of the filtering cylinder 1, a lower end cap 3 is disposed at the bottom end of the connecting cylinder 2, a plurality of support legs 4 arranged at equal intervals are disposed outside the circumference of the connecting cylinder 2, and a water outlet 5 is disposed at the bottom end of the lower end cap 3; an upper end cover 6 is arranged at the top end of the filtering cylinder body 1, a waste water outlet pipe 7 is arranged at one side of the upper end cover 6, and a compressed air inlet pipe 8, a waste water inlet pipe 9 and a liquid inlet alkali pipe 10 are sequentially arranged at the top of the upper end cover 6; a plurality of wastewater return pipes 11 are arranged on the outer edge of the circumference of the bottom of the upper end cover 6, and a filtering device 12 is arranged at the bottom end of each wastewater return pipe 11.
By means of the above technical scheme, through setting up the mode of going up the row of going up, arrange waste water to filtering barrel 1 and deposit, cooperation air pressurization makes waste water through filter 12 upwards arrange to waste water back flow 11 and accomplish solid-liquid separation until waste water outlet pipe 7 to solid content in the PTA waste water is retrieved to the at utmost, and furthest reduces the influence of solid content to filter 12, guarantees the filtration recovery effect after the long-term operation. Through setting up the filter equipment 12 that the suspension type is convenient for change, can dismantle filter equipment 12's filter core filter screen and carry out the specification adjustment according to the waste water type and change to improve the flexibility and the practicality of device. Through setting up feed liquor alkali pipe 10 and can letting in alkali lye and wash inside the device, effectively guarantee the inside cleanliness of device, avoid filter screen and pipe blockage
In one embodiment, for the above connecting cylinder 2, a connecting hinge 13 is provided between the connecting cylinder 2 and the back of the lower end cap 3, a fixed fastening seat 14 is provided on the front of the connecting cylinder 2, a fastening plate 15 is provided on the front of the lower end cap 3, a fixing bolt 16 is provided between the fixed fastening seat 14 and the fastening plate 15, upper connecting side lugs 17 are provided on both sides of the connecting cylinder 2, lower connecting side lugs 18 are provided on both sides of the lower end cap 3, and an air cylinder 19 is provided between the upper connecting side lug 17 and the lower connecting side lug 18 on the same side, so that the lower end cap 3 and the connecting cylinder 2 are movably connected to realize switch closure, and the solid content stored in the lower end cap 3 can be rapidly recovered and removed; meanwhile, the lower end cover 3 can be automatically adjusted and realize free hovering under the action of the air cylinder 19, and the functionality of the device is improved.
In one embodiment, for the connector barrel 2, the sealing gasket 20 is disposed on the outer edge of the bottom circumference of the connector barrel 2, so as to effectively ensure the sealing performance between the lower end cap 3 and the connector barrel 2 and avoid the leakage of liquid caused by the occurrence of a gap.
In an embodiment, for the upper end cover 6, the upper end cover 6 is a concave structure, a waste water annular cavity 21 is formed at the bottom of the upper end cover 6, and the waste water annular cavity 21 and the waste water outlet pipe 7 are communicated with the waste water return pipe 11, so that waste liquid recovered by the waste water return pipe 11 can be gathered and communicated, and the waste liquid can flow out of the device through the waste water outlet pipe 7.
In one embodiment, for the upper end cover 6, the circle center of the bottom in the upper end cover 6 is provided with the water flow distributor 22, and the top of the front surface of the upper end cover 6 is provided with the pressure gauge 23, so that the falling waste water can be uniformly distributed, the damage to the cylinder caused by the direct falling of the filtering cylinder 1 is avoided, and the pressure gauge 23 is matched to observe the pressure inside the cylinder in real time.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
In practical application, waste water is from waste water inlet tube 9 business turn over water, it is inside that inflow water distributor 22 flows into filtering barrel 1, filter equipment 12's stainless steel filter screen is fixed on the stainless steel filter core, the PTA waste water filters and adopts the external compression formula, it filters the aquatic solid phase material to get into from the stainless steel filter core outside, observe when manometer 23 pressure differential is greater than 1 kg after the operation, stop intaking, open compressed air intake pipe 8, outlet 5, discharge unnecessary moisture in the filter material, after the drainage, open lower end cover 3 and unload the solid phase material, feed liquor alkali tube 10 is used for regularly rinsing the stainless steel filter screen.
To sum up, with the help of the above technical scheme of the utility model, through the mode of setting up last row, arrange waste water to filtering barrel 1 and deposit, cooperation air pressurization makes waste water through filtering device 12 upwards arrange to waste water back flow 11 and accomplish solid-liquid separation until waste water outlet pipe 7 to solid content in the at utmost recovery PTA waste water, and the at utmost reduces the influence of solid content to filtering device 12, guarantees the filtration recovery effect after the long-term operation. Through setting up the filter equipment 12 that the suspension type is convenient for change, can dismantle filter equipment 12's filter core filter screen and carry out the specification adjustment according to the waste water type and change to improve the flexibility and the practicality of device. The liquid alkali inlet pipe 10 can be used for introducing alkali liquor to clean the interior of the device, so that the cleanness of the interior of the device is effectively ensured, and the filter screen and the pipeline are prevented from being blocked; meanwhile, the water flow distributor 22 can effectively realize uniform distribution of inlet water; in addition, the device is simple to operate, has long service life, and can remove the solid content filtering device in the PTA wastewater, thereby reducing the difficulty in treating the PTA wastewater and creating certain economic value.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a mother liquor recovery unit in PTA waste water, includes filtering barrel (1), its characterized in that:
the bottom end of the filtering cylinder body (1) is provided with a connecting cylinder (2), the bottom end of the connecting cylinder (2) is provided with a lower end cover (3), the outer side of the circumference of the connecting cylinder (2) is provided with a plurality of support legs (4) which are arranged at equal intervals, and the bottom end of the lower end cover (3) is provided with a water outlet (5);
an upper end cover (6) is arranged at the top end of the filtering cylinder body (1), a wastewater outlet pipe (7) is arranged on one side of the upper end cover (6), and a compressed air inlet pipe (8), a wastewater inlet pipe (9) and a liquid inlet alkali pipe (10) are sequentially arranged at the top of the upper end cover (6);
the device is characterized in that a plurality of waste water return pipes (11) are arranged on the outer edge of the circumference of the bottom of the upper end cover (6), and a filtering device (12) is arranged at the bottom ends of the waste water return pipes (11).
2. The recovery device of mother liquor in PTA wastewater according to claim 1, wherein a connection hinge (13) is arranged between the connection cylinder (2) and the back of the lower end cap (3), a fixed clamping seat (14) is arranged on the front surface of the connection cylinder (2), a clamping plate (15) is arranged on the front surface of the lower end cap (3), and a fixing bolt (16) is arranged between the fixed clamping seat (14) and the clamping plate (15).
3. The recovery device of mother liquor in PTA wastewater as claimed in claim 1 or 2 wherein the connecting cylinder (2) is provided with upper connecting side lugs (17) on both sides, the lower end cap (3) is provided with lower connecting side lugs (18) on both sides, and a cylinder (19) is arranged between the upper connecting side lugs (17) and the lower connecting side lugs (18) on the same side.
4. The recovery device of mother liquor in PTA wastewater as claimed in claim 3 wherein the bottom peripheral edge of the connecting cylinder (2) is provided with a sealing gasket (20).
5. The recovery device of mother liquor in PTA wastewater as claimed in claim 1, wherein the upper end cap (6) is of a concave structure, a wastewater loop chamber (21) is opened at the bottom of the upper end cap (6), and the wastewater loop chamber (21) is communicated with the wastewater outlet pipe (7) and the wastewater return pipe (11).
6. The recovery device of mother liquor in PTA wastewater according to claim 5, wherein the upper end cap (6) is provided with a water flow distributor (22) at the bottom center position.
7. The recovery device of mother liquor in PTA wastewater as claimed in claim 6 wherein the top of the top end cap (6) is provided with a pressure gauge (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221045020.7U CN217409918U (en) | 2022-04-30 | 2022-04-30 | Mother liquor recovery unit in PTA waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221045020.7U CN217409918U (en) | 2022-04-30 | 2022-04-30 | Mother liquor recovery unit in PTA waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217409918U true CN217409918U (en) | 2022-09-13 |
Family
ID=83185872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221045020.7U Expired - Fee Related CN217409918U (en) | 2022-04-30 | 2022-04-30 | Mother liquor recovery unit in PTA waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217409918U (en) |
-
2022
- 2022-04-30 CN CN202221045020.7U patent/CN217409918U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220913 |
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| CF01 | Termination of patent right due to non-payment of annual fee |