CN210945083U - Ceramic membrane sewage treatment system convenient to regenerate - Google Patents
Ceramic membrane sewage treatment system convenient to regenerate Download PDFInfo
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- CN210945083U CN210945083U CN201921858220.2U CN201921858220U CN210945083U CN 210945083 U CN210945083 U CN 210945083U CN 201921858220 U CN201921858220 U CN 201921858220U CN 210945083 U CN210945083 U CN 210945083U
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Abstract
The utility model discloses a convenient regenerated ceramic membrane sewage treatment system, including sewage setting tank, ceramic membrane separator, clear solution dashpot, be equipped with sewage import, concentrate export and clear solution export on the ceramic membrane separator respectively, the delivery port of sewage setting tank with sewage access connection, the concentrate export with the water inlet of sewage setting tank links to each other, the clear solution export with the inlet of clear solution dashpot links to each other, sewage access connection has washing unit, clear solution exit linkage has gas blowing device. The utility model has the advantages that: the washing device is used for introducing the cleaning liquid into the ceramic membrane separator for cleaning, the air blowing device is used for introducing air into the ceramic membrane separator from the clear liquid outlet for reversely blowing, and the two modes are combined, so that the solid impurities deposited in the ceramic membrane can be thoroughly removed, the operation is convenient, and the efficiency of the sewage treatment system is maintained.
Description
Technical Field
The utility model belongs to the sewage treatment device field, concretely relates to convenient regenerated ceramic membrane sewage treatment system.
Background
In a sewage treatment device of a chemical industry enterprise, a primary filtering device is a ceramic membrane filter. The effect of filtering sewage by the ceramic membrane is good, but after the ceramic membrane is saturated, the ceramic membrane needs to be cleaned and regenerated. If the cleaning regeneration treatment is not good, the following problems can be caused: firstly, the flux and the clear liquid index of the membrane can not meet the requirements, great difficulty is brought to subsequent treatment, and the subsequent treatment cost is increased; and secondly, the membrane is damaged and needs to be replaced and repaired again, and the ceramic membrane is high in price and brings adverse effects to the economic benefits of enterprises. At present, the cleaning and regeneration of ceramic membranes have certain difficulty, and the effect and the convenience of cleaning and regeneration are improved by modifying a sewage system, so that the method has important significance.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a ceramic membrane sewage treatment system who conveniently regenerates.
The technical scheme is as follows:
the utility model provides a convenient regenerated ceramic membrane sewage treatment system, includes sewage setting tank, ceramic membrane separator, clear solution dashpot, be equipped with sewage inlet, concentrate export and clear solution export on the ceramic membrane separator respectively, the delivery port of sewage setting tank with sewage access connection, the concentrate export with the water inlet of sewage setting tank links to each other, the clear solution export with the inlet of clear solution dashpot links to each other, and its key lies in, sewage access connection has washing unit, clear solution exit linkage has gas blowing device.
By adopting the design, the cleaning device has the advantages that the cleaning liquid is introduced into the ceramic membrane separator by the flushing device for cleaning, the air is introduced into the ceramic membrane separator from the clear liquid outlet by the air blowing device for reversely blowing, and the two modes are combined, so that the solid impurities deposited in the ceramic membrane can be thoroughly removed, and the implementation is convenient.
As a preferred technical scheme, the air outlet of the air blowing device is also connected with the sewage inlet.
With the above design, the purging mode is used to help remove impurities in the membrane tube.
According to a preferable technical scheme, the flushing device comprises a flushing tank, a liquid inlet of the flushing tank is connected with a desalted water storage tank and a steam condensate storage tank respectively, a liquid outlet of the flushing tank is connected with a sewage inlet, and a dosing port is further formed in the flushing tank.
By adopting the design, desalted water is introduced into the washing tank, cleaning agents such as acid and alkali are added to form cleaning liquid, and steam condensate on other production lines can be used as hot washing liquid to facilitate washing.
As a preferred technical scheme, the ceramic membrane sewage treatment system further comprises a separator water inlet pump, a water inlet of the separator water inlet pump is respectively connected with a water outlet of the sewage settling tank and a liquid outlet of the flushing tank, and a water outlet of the separator water inlet pump is connected with the sewage inlet.
By adopting the design, the liquid is conveniently pressurized and introduced into the ceramic membrane separator.
According to a preferable technical scheme, the ceramic membrane separator comprises a shell, wherein end plates are arranged at two ends of the shell respectively, liquid collection end covers are covered outside the end plates respectively in a buckling mode, and the liquid collection end covers and the corresponding end plates respectively form a liquid collection chamber in a surrounding mode;
at least one membrane tube is arranged in the shell barrel, two ends of the membrane tube penetrate through the corresponding end plates respectively and extend into the liquid collecting chambers, so that the two liquid collecting chambers are communicated by inner cavities of the membrane tubes, one liquid collecting end cover is provided with the sewage inlet, and the other liquid collecting end cover is provided with the concentrated liquid outlet;
and a clear liquid chamber is formed in the area between the end plate and the shell, and the side wall of the shell corresponding to the clear liquid chamber is provided with the clear liquid outlet.
By adopting the design, the ceramic membrane separator has simple structure and is easy to assemble and use.
As the preferred technical scheme, the liquid outlet of the clear liquid buffer tank is connected with a clear liquid pump, and the liquid outlet of the clear liquid pump is connected with an RO membrane separator.
By adopting the design, the clear liquid treated by the ceramic membrane separator can be further purified conveniently.
As a preferred technical scheme, the blowing device comprises an air compressor and a pressure reducing valve, wherein an air outlet of the air compressor is respectively connected with the clear liquid outlet and the sewage inlet through the pressure reducing valve.
By adopting the design, the structure is simple and the cost is low.
Compared with the prior art, the beneficial effects of the utility model are that: the washing device is used for introducing the cleaning liquid into the ceramic membrane separator for cleaning, the air blowing device is used for introducing air into the ceramic membrane separator from the clear liquid outlet for reversely blowing, and the two modes are combined, so that the solid impurities deposited in the ceramic membrane can be thoroughly removed, the operation is convenient, and the efficiency of the sewage treatment system is maintained.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a ceramic membrane separator.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1, a ceramic membrane sewage treatment system convenient for regeneration comprises a sewage settling tank 1, a ceramic membrane separator 2 and a clear liquid buffer tank 3, wherein the ceramic membrane separator 2 is provided with a sewage inlet 2a, a concentrated solution outlet 2b and a clear liquid outlet 2c, the water outlet of the sewage settling tank 1 is connected with the sewage inlet 2a, the concentrated solution outlet 2b is connected with the water inlet of the sewage settling tank 1, the clear liquid outlet 2c is connected with the liquid inlet of the clear liquid buffer tank 3, the sewage inlet 2a is connected with a flushing device 5, the clear liquid outlet 2c is connected with a gas blowing device 6, and the gas outlet of the gas blowing device 6 is also connected with the sewage inlet 2 a.
A separator water inlet pump 4 is arranged between the water outlet of the sewage settling tank 1 and the sewage inlet 2 a. The water inlet of the separator water inlet pump 4 is respectively connected with the water outlet of the sewage settling tank 1 and the liquid outlet of the flushing tank 5a, and the water outlet of the separator water inlet pump 4 is connected with the sewage inlet 2 a.
The flushing device 5 comprises a flushing tank 5a, a liquid inlet of the flushing tank 5a is connected with a desalted water storage tank 5b and a steam condensate storage tank 5c respectively, a liquid outlet of the flushing tank 5a is connected with the sewage inlet 2a, and the flushing tank 5a is further provided with a medicine adding port 5a1 for adding a cleaning agent, such as acid or alkali. Wherein the condensate in the steam condensate storage tank 5c may be a hot liquid cooled by steam from other equipment in the plant.
As shown in fig. 2, the ceramic membrane separator 2 includes a shell 2d, end plates 2e are respectively disposed at two ends of the shell 2d, liquid collecting end caps 2f are respectively covered outside the end plates 2e, and the liquid collecting end caps 2f respectively enclose liquid collecting chambers with the corresponding end plates 2 e. At least one membrane tube 2g is arranged in the shell barrel 2d, two ends of the membrane tube 2g penetrate out of the corresponding end plates 2e respectively and extend into the liquid collecting chambers, so that the two liquid collecting chambers are communicated with the inner cavities of the membrane tubes 2g, one liquid collecting end cover 2f is provided with the sewage inlet 2a, and the other liquid collecting end cover 2f is provided with the concentrated liquid outlet 2 b. A clear liquid chamber is formed in a region between the end plate 2e and the casing 2d, and the clear liquid outlet 2c is opened in a side wall of the casing 2d corresponding to the clear liquid chamber.
The liquid outlet of the clear liquid buffer tank 3 is connected with a clear liquid pump 7, and the liquid outlet of the clear liquid pump 7 is connected with an RO membrane separator 8 for deep purification treatment of the clear liquid coming out from the ceramic membrane separator 2.
Specifically, the air blowing device 6 comprises an air compressor 6a and a pressure reducing valve 6b, and an air outlet of the air compressor 6a is connected with the clear liquid outlet 2c and the sewage inlet 2a through the pressure reducing valve 6b respectively.
In this embodiment, the functional components are connected by pipelines, and necessary valves are further disposed on the pipelines.
Sewage is discharged from a sewage dam and enters the sewage settling tank 1 to settle for a period of time, large granular solids are deposited at the bottom of the tank and can be discharged from a sewage discharge outlet at the bottom of the tank, upper-layer liquid enters the ceramic membrane separator 2 to be separated, the liquid flows through an inner hole of the membrane tube 2g to be separated, clear liquid permeates through the wall of the membrane tube 2g and then is converged into a clear liquid chamber, and then enters the RO separator 8 to be further treated. The concentrated liquid is returned to the sewage settling tank 1 for circulation. After the treatment system works for a period of time, when the flux of the ceramic membrane separator 2 is reduced to a certain degree, cleaning liquid needs to be introduced for cleaning, and purging air needs to be introduced for reverse purging, so that the ceramic membrane is cleaned and regenerated, and the flux is recovered.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (7)
1. The utility model provides a convenient palingenetic ceramic membrane sewage treatment system, includes sewage setting tank (1), ceramic membrane separator (2), clear solution dashpot (3), be equipped with sewage import (2a), concentrate export (2b) and clear solution export (2c) on ceramic membrane separator (2) respectively, the delivery port of sewage setting tank (1) with sewage import (2a) are connected, concentrate export (2b) with the water inlet of sewage setting tank (1) links to each other, clear solution export (2c) with the inlet of clear solution dashpot (3) links to each other its characterized in that: the sewage inlet (2a) is connected with a flushing device (5), and the clear liquid outlet (2c) is connected with a blowing device (6).
2. The ceramic membrane sewage treatment system that facilitates regeneration of claim 1, wherein: the air outlet of the blowing device (6) is also connected with the sewage inlet (2 a).
3. A ceramic membrane wastewater treatment system for facilitating regeneration according to claim 1 or 2, wherein: the flushing device (5) comprises a flushing tank (5a), a liquid inlet of the flushing tank (5a) is connected with a desalted water storage tank (5b) and a steam condensate storage tank (5c) respectively, a liquid outlet of the flushing tank (5a) is connected with the sewage inlet (2a), and a medicine adding port (5a1) is further arranged on the flushing tank (5 a).
4. The ceramic membrane sewage treatment system that facilitates regeneration of claim 3, wherein: the sewage treatment device is characterized by further comprising a separator water inlet pump (4), wherein a water inlet of the separator water inlet pump (4) is connected with a water outlet of the sewage settling tank (1) and a liquid outlet of the flushing tank (5a) respectively, and a water outlet of the separator water inlet pump (4) is connected with the sewage inlet (2 a).
5. The ceramic membrane sewage treatment system that facilitates regeneration of claim 3, wherein: the ceramic membrane separator (2) comprises a shell (2d), end plates (2e) are respectively arranged at two ends of the shell (2d), liquid collection end covers (2f) are respectively covered outside the end plates (2e), and the liquid collection end covers (2f) and the corresponding end plates (2e) respectively enclose a liquid collection chamber;
at least one membrane tube (2g) is arranged in the shell barrel (2d), two ends of the membrane tube (2g) penetrate out of the corresponding end plates (2e) respectively and extend into the liquid collecting chambers, so that the two liquid collecting chambers are communicated by inner cavities of the membrane tubes (2g), one liquid collecting end cover (2f) is provided with the sewage inlet (2a), and the other liquid collecting end cover (2f) is provided with the concentrated liquid outlet (2 b);
the region between the end plate (2e) and the shell (2d) forms a clear liquid chamber, and the clear liquid outlet (2c) is opened on the side wall of the shell (2d) corresponding to the clear liquid chamber.
6. A ceramic membrane wastewater treatment system for facilitating regeneration according to claim 1 or 2, wherein: the liquid outlet of the clear liquid buffer tank (3) is connected with a clear liquid pump (7), and the liquid outlet of the clear liquid pump (7) is connected with an RO membrane separator (8).
7. A ceramic membrane wastewater treatment system for facilitating regeneration according to claim 1 or 2, wherein: the air blowing device (6) comprises an air compressor (6a) and a pressure reducing valve (6b), and an air outlet of the air compressor (6a) is connected with the clear liquid outlet (2c) and the sewage inlet (2a) through the pressure reducing valve (6b) respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858220.2U CN210945083U (en) | 2019-10-31 | 2019-10-31 | Ceramic membrane sewage treatment system convenient to regenerate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921858220.2U CN210945083U (en) | 2019-10-31 | 2019-10-31 | Ceramic membrane sewage treatment system convenient to regenerate |
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| CN210945083U true CN210945083U (en) | 2020-07-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957212A (en) * | 2020-08-13 | 2020-11-20 | 合肥禹王膜工程技术有限公司 | Ceramic membrane equipment for cleaning indium hydroxide superfine powder |
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2019
- 2019-10-31 CN CN201921858220.2U patent/CN210945083U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957212A (en) * | 2020-08-13 | 2020-11-20 | 合肥禹王膜工程技术有限公司 | Ceramic membrane equipment for cleaning indium hydroxide superfine powder |
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