CN114949994A - Double-layer filter and ammonia water filtering system and process flow applying same - Google Patents
Double-layer filter and ammonia water filtering system and process flow applying same Download PDFInfo
- Publication number
- CN114949994A CN114949994A CN202210679559.6A CN202210679559A CN114949994A CN 114949994 A CN114949994 A CN 114949994A CN 202210679559 A CN202210679559 A CN 202210679559A CN 114949994 A CN114949994 A CN 114949994A
- Authority
- CN
- China
- Prior art keywords
- valve
- liquid
- pipe
- liquid inlet
- double
- 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.)
- Granted
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 62
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 235000011114 ammonium hydroxide Nutrition 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title abstract description 11
- 230000008569 process Effects 0.000 title abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 254
- 239000000919 ceramic Substances 0.000 claims abstract description 71
- 239000012528 membrane Substances 0.000 claims abstract description 67
- 239000002131 composite material Substances 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 51
- 239000010865 sewage Substances 0.000 claims description 67
- 238000011001 backwashing Methods 0.000 claims description 45
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 29
- 239000002184 metal Substances 0.000 claims description 14
- 210000004907 gland Anatomy 0.000 claims description 11
- 229910021529 ammonia Inorganic materials 0.000 claims description 10
- 230000000737 periodic effect Effects 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 6
- 239000000571 coke Substances 0.000 description 24
- 150000001875 compounds Chemical class 0.000 description 19
- 230000000694 effects Effects 0.000 description 15
- 238000007599 discharging Methods 0.000 description 14
- 238000009434 installation Methods 0.000 description 12
- 238000011010 flushing procedure Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 229920006335 epoxy glue Polymers 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/022—Preparation of aqueous ammonia solutions, i.e. ammonia water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to a double-layer filter and an ammonia water filtering system and a process flow applied by the double-layer filter, which comprise a cylinder body, wherein the cylinder body is divided into an inner cavity and an outer cavity from inside to outside, the inner cavity and the outer cavity are communicated through a liquid discharge distributor, one of the inner cavity or the outer cavity is provided with a liquid inlet and a filter material, the other one of the inner cavity or the outer cavity is provided with a liquid outlet and a composite ceramic membrane tube, the liquid inlet is provided with a liquid inlet distributor, and the liquid inlet and the liquid discharge distributor are oppositely arranged. The double-layer filter and the ammonia water filtering system and the process flow applying the double-layer filter have the following advantages: double-deck filtration, simple structure can the quick replacement filter material, and the equipment is maintained conveniently.
Description
Technical Field
The invention relates to environment-friendly equipment, in particular to a double-layer filter, an ammonia water filtering system and a process flow applying the double-layer filter.
Background
In the prior art, for example, chinese utility model patent CN204162551U discloses an ammonia water filtering device, which comprises a first ceramic filter and a second ceramic filter, wherein ceramic filtering membranes are respectively arranged at the upper ends of the first ceramic filter and the second ceramic filter; the lower ends of the first ceramic filter and the second ceramic filter are connected with an air inlet pipe, and a residual ammonia pump is arranged on the air inlet pipe; the upper ends of the first ceramic filter and the second ceramic filter are connected with an air outlet pipe, the air outlet pipe is connected with an ammonia distillation raw material tank, and a stop valve is arranged on the air outlet pipe; the bottom ends of the first ceramic filter and the second ceramic filter are connected with oil discharge pipes, and the oil discharge pipes are connected with a condensation pool; the ammonia still raw material groove is connected with the plate heat exchanger through a raw material groove air outlet pipe, an ammonia pump is arranged on the raw material groove air outlet pipe, and the plate heat exchanger is connected with the ammonia still through an ammonia still air inlet pipe. However, the device has a complex structure and the consumable is inconvenient to replace.
Disclosure of Invention
An object of this application is to provide a double-deck filter and aqueous ammonia filtration system and process flow who uses thereof, can double-deck filtration.
Another object of this application is to provide a double-deck filter and aqueous ammonia filtration system and process flow who uses thereof, it is convenient to change the filter material.
Another objective of the present application is to provide a double-layer filter and an ammonia water filtering system and a process flow using the same, which have simple structure and are convenient to assemble and maintain.
The technical scheme adopted by the application is as follows: a double-layer filter comprises a cylinder body, wherein the cylinder body is divided into an inner cavity and an outer cavity from inside to outside, the inner cavity is communicated with the outer cavity through a liquid discharge distributor, one of the inner cavity or the outer cavity is provided with a liquid inlet and a filter material, the other one of the inner cavity or the outer cavity is provided with a liquid outlet and a composite ceramic membrane tube, the liquid inlet is provided with a liquid inlet distributor, and the liquid inlet and the liquid discharge distributor are arranged oppositely. Specifically, the filter material adopts coke of different grades, and the barrel is wholly cylindric, and is the cambered surface of evagination from top to bottom. Inlet and filter material cooperation, inlet and filter material setting are in same intracavity promptly, no matter the inlet sets up in which chamber, and liquid all can filter through the filter material earlier after getting into, and liquid outlet and compound ceramic membrane pipe cooperation, liquid outlet and compound ceramic membrane pipe are in same intracavity promptly, no matter the liquid outlet sets up in which chamber, and liquid all can filter through compound ceramic membrane pipe before getting rid of.
Compared with the prior art, the utility model has the advantages that the barrel is divided into the inner cavity and the outer cavity to facilitate double-layer filtration, different filtering modes or filtering materials are arranged in each cavity, the inner cavity and the outer cavity adopt the separation mode from inside to outside, the residual ammonia water can flow from one end of the barrel to the other end, the passing distance is longest, the filtering time in the cavity is long, the filtering effect is better, the liquid discharging distributor is used for uniformly sending the liquid in the inner cavity or the outer cavity into the other cavity, the liquid is conveniently and uniformly filtered in the other cavity, the liquid inlet is used for sending the ammonia water to be filtered, the filtering materials adopt cokes with different grades, the ammonia water passes through the adsorption function with different grades, thereby the removal of the dissolved oil in the residual ammonia water is completed, the liquid inlet and the filtering materials are in the same cavity, the ammonia water to be filtered can be filtered firstly through the filtering materials, and the liquid outlet is used for discharging the filtered ammonia water, the composite ceramic membrane tube has irregular, different-size and criss-cross gaps, can remove organic matters, enriched matters and fine coke particles in the residual ammonia water, and can intercept the intercepted matters from large to small in sequence, thereby achieving ideal filtering effect and effect; and the oil washing capacity of the composite ceramic membrane tube is used for removing the dissolved oil in the residual ammonia water again, and the liquid inlet distributor is used for uniformly sending the entering ammonia water into the cavity, so that the sent ammonia water can be uniformly filtered. When the filter material is replaced, only the lower liquid discharging distributor and the liquid inlet distributor need to be taken out, so that the two sides are communicated, the filter material can be discharged from one side, and the filter material can be put in from the other side, and the filter material replacing device is simple and convenient.
In some embodiments of this application, it includes first bottom plate and first filter plate to advance the liquid distributor from the bottom up, and first filter plate adopts hemispherical composite metal membrane, is equipped with first filtration pore on the first filter plate, and the feed liquor hole has been seted up to first bottom plate. The liquid inlet hole is provided with a liquid inlet pipe connecting component, the first filter plate is connected with the first bottom plate, and the first bottom plate is connected with the inner cavity. First bottom plate is used for being connected with the inner chamber, the inlet is plugged up to the while, first filter plate adopts hemispherical composite metal membrane, hemispherical design can increase the surface area, increase the quantity of arranging of first filtration pore, first filtration pore is used for liquid to pass through, first filtration pore of the last density of hemispherical composite metal membrane can the limited increase surplus aqueous ammonia filter area, and accomplish the feed liquor more evenly, be difficult to block up, the feed liquor hole is used for liquid to get into, and connect the subassembly with the feed liquor, guarantee that the feed liquor is reliable, the feed liquor hole also is inner chamber back flush drain simultaneously.
Further, a first manhole assembly is arranged outside the liquid inlet distributor. The liquid inlet hole is connected with the inner cavity through a liquid inlet connecting pipe assembly and penetrates through the first manhole assembly to feed liquid. The first manhole assembly is flexible to open and close, convenient to install, overhaul and safely check, and better protects the liquid inlet distributor.
In some embodiments of the present application, the drainage distributor includes a second bottom plate and a second filter plate from top to bottom, the second filter plate adopts a cylindrical surface and a hemispherical composite metal film, the second filter plate is provided with a second filter hole, and the second bottom plate is provided with an exhaust hole. The exhaust hole is provided with an exhaust connecting pipe component, the second filter plate is connected with the second bottom plate, and the second bottom plate is connected with the outer cavity. The two ends of the liquid discharge distributor are respectively connected with the inner cavity and the outer cavity, the second bottom plate is used for being connected with the outer cavity and simultaneously plugging a channel between the inner cavity and the outer cavity, the second filter plate adopts a cylindrical surface and a hemispherical composite metal film, the surface area can be increased by both the cylindrical surface and the hemispherical surface, the arrangement quantity of the second filter holes is increased, one part of the second filter plate is communicated with the inner cavity, the other part of the second filter plate is communicated with the outer cavity, so that ammonia water can uniformly flow into the liquid discharge distributor from the inner cavity and then uniformly flow into the outer cavity from the liquid discharge distributor, the second filter holes are used for liquid to pass through, the second filter holes are densely distributed on the composite metal film, the residual ammonia water filtering area can be increased in a limited mode, liquid discharge can be completed more uniformly, exhaust holes are not easy to be blocked, exhaust holes are used for exhausting redundant gas and are connected with an exhaust connecting pipe assembly, the exhaust reliability is ensured, and the exhaust holes are also used as a back-flushing inner cavity liquid inlet.
Further, a second manhole assembly is arranged outside the drainage distributor. The exhaust hole passes through the second manhole component through the exhaust connecting pipe component and is communicated with the outside, and the second manhole component is connected with the outer cavity. The second manhole assembly is flexible to open and close, convenient to install, overhaul and safely check, and better protects the drainage distributor.
In some embodiments of the present application, the upper and lower ends of the composite ceramic membrane tube are respectively provided with an upper flower plate and a lower flower plate, and both the upper flower plate and the lower flower plate are connected with the cylinder body. The composite ceramic membrane tubes are uniformly distributed around the inner cavity. Go up the card and be connected with the barrel with lower card, the installation of the composite ceramic membrane pipe of being convenient for, and make the installation of composite ceramic membrane pipe firm, go up the card and seted up a plurality of through-holes with down on the card, can make the liquid circulation when filtering large granule impurity, the inner chamber equipartition is encircleed to composite ceramic membrane pipe, and the aqueous ammonia is through the drainage distributor all directions uniform flow to the exocoel, can make the aqueous ammonia homoenergetic at the exocoel filter through composite ceramic membrane pipe, the filter effect is even.
Furthermore, a positioning pipe is arranged on the lower pattern plate, the composite ceramic membrane pipe is sleeved on the positioning pipe, a gland is arranged at the top of the composite ceramic membrane pipe and connected with the upper pattern plate, an upper gasket is arranged between the gland and the composite ceramic membrane pipe, and a lower gasket is arranged between the composite ceramic membrane pipe and the lower pattern plate. Epoxy resin glue is arranged between the composite ceramic membrane tube and the upper pattern plate. The registration arm is used for the installation location of compound ceramic membrane pipe, and the gland is used for fixing compound ceramic membrane pipe from the upper end, cooperates with the registration arm, accomplishes the fixed at the upper and lower both ends of compound ceramic membrane pipe, goes up packing ring and lower packing ring and can reduce holding surface pressure, makes its pressure even, and epoxy glue is used for further strengthening the fixed of compound ceramic membrane pipe, fills the clearance between compound ceramic membrane pipe and the last card, prevents that compound ceramic membrane pipe from rocking.
Further, be equipped with the third manhole subassembly on the barrel, the third manhole subassembly sets up between last card and the lower card. The third manhole subassembly switching is nimble, is convenient for install, overhaul and safety inspection, and the third manhole subassembly sets up at last card and between the card down, is convenient for install and overhaul composite ceramic membrane pipe.
In some embodiments of this application, the inlet sets up at the barrel lower extreme and on the inner chamber, and the inner chamber is big both ends little in the middle of being, and the liquid outlet setting is in the barrel upper end. The liquid inlet is arranged at the lower end of the cylinder body, so that the liquid inlet distributor is arranged at the lower end of the cylinder body and is used for communicating the inner cavity with the outer cavity, therefore, the liquid discharge distributor is arranged at the upper end of the cylinder body, the inner cavity is filled with coke with different grades, when the filter material is replaced, only the liquid inlet distributor and the liquid discharge distributor need to be taken down, the coke in the inner cavity can fall completely under the action of gravity, so that the replacement of the coke filter material can be completed quickly, the inner cavity is in an arrangement with a large middle part and two small ends, which is convenient for the coke with different grades, the two ends are small, the cross sectional area is small, the flow speed is high, the ammonia water can pass through the inner cavity conveniently, the middle part is large, the cross sectional area is large, the flow speed is low, the filtering time is long, the filtering effect is good, the lower end is small, the falling speed of coke can be controlled when the filter material is replaced, the risk caused by the over-fast falling of the coke is prevented, the liquid outlet is arranged at the upper end, the drainage distributor is arranged at the upper end of the cylinder body, and the drainage distributor is convenient to fill the filter material downwards from the upper end. Traditional coke filter material filter is changed comparatively complicacy, needs personnel to get into the old coke filter material of filter inner chamber clearance, exists certain security and consumes certain labour, and this device filter material is changed and is dropped automatically, can accomplish fast that the coke filter material is changed
Further, a fourth manhole assembly is arranged at the lower end of the outer cavity, a safety valve port is arranged at the upper end of the outer cavity, a periodic sewage draining outlet is formed in the barrel, an outer cavity backwashing sewage draining outlet is formed in the bottom of the outer cavity, a support is arranged on the barrel, a safety valve pipe connecting assembly is arranged on the safety valve port, the periodic sewage draining outlet is communicated with the lower pattern plate, and a liquid outlet is formed between the upper pattern plate and the lower pattern plate. The fourth manhole assembly is flexible to open and close, convenient to install, overhaul and safety check, the safety valve port is used for installing a safety valve, the regular sewage discharge outlet is used for regularly discharging sewage in the cylinder, the outer cavity backwashing sewage discharge outlet is used for discharging sewage after outer cavity backwashing, the support is used for supporting and fixing the cylinder, the safety valve connecting pipe assembly is used for connecting the safety valve port with the safety valve, connection is more reliable, the liquid outlet is arranged between the upper pattern plate and the lower pattern plate, the composite ceramic membrane pipe is also arranged between the upper pattern plate and the lower pattern plate, discharged ammonia water can be well filtered, the regular sewage discharge outlet is communicated with the lower pattern plate, and impurities deposited on the lower pattern plate are easily discharged.
The utility model provides an aqueous ammonia filtration system, includes a double-deck filter, feed liquor house steward and goes out the liquid house steward, is equipped with No. 3 valves on the inlet, is equipped with No. 7 valves on the liquid outlet, and No. 3 valves and feed liquor house steward intercommunication, No. 7 valves and play liquid house steward intercommunication. The liquid inlet main pipe is used for providing liquid needing to be filtered, the liquid outlet main pipe is used for discharging the filtered liquid, the valve No. 3 is used for controlling the on-off between the filter and the liquid inlet main pipe, and the valve No. 7 is used for controlling the on-off between the filter and the liquid outlet main pipe. When the liquid filter is used, liquid to be filtered enters the filter from the liquid outlet main pipe through the No. 3 valve for filtering, and the filtered liquid is discharged from the liquid outlet into the liquid outlet main pipe through the No. 7 valve.
Furthermore, the device comprises a backwashing liquid inlet pipe and a sewage draining main pipe, wherein a No. 1 valve is arranged on the exhaust hole, a No. 2 valve is connected to the liquid inlet in parallel, the No. 1 valve is communicated with the backwashing liquid inlet pipe, and the No. 2 valve is communicated with the sewage draining main pipe. The backwashing liquid inlet pipe is used for providing liquid for backwashing, the sewage discharging main pipe is used for intensively discharging the flushed liquid, the No. 1 valve is used for controlling the on-off between the exhaust hole and the backwashing liquid inlet pipe, and the No. 2 valve is used for controlling the on-off between the liquid inlet and the sewage discharging main pipe. During the use, backwash liquid enters into the inner chamber from the backwash feed liquor through No. 1 valve and washes, and the liquid after washing is discharged to the blowdown house steward from the feed liquor through No. 2 valve.
Furthermore, a No. 6 valve is connected in parallel on the liquid outlet, a No. 4 valve is arranged on the outer cavity backwashing sewage discharge port, the No. 6 valve is communicated with the backwashing liquid inlet pipe, and the No. 4 valve is communicated with the sewage discharge main pipe. The No. 6 valve is used for controlling the on-off between the liquid outlet and the backwashing liquid inlet pipe, and the No. 4 valve is used for controlling the on-off between the outer cavity backwashing sewage discharge outlet and the sewage main pipe. When the backwashing device is used, backwashing liquid enters the outer cavity from the backwashing liquid inlet pipe through the No. 6 valve for flushing, and the flushed liquid is discharged into the sewage main pipe from the outer cavity backwashing sewage outlet through the No. 4 valve.
Furthermore, a No. 5 valve is arranged on the periodic sewage draining port, a safety valve is arranged on the safety valve port, an automatic exhaust valve is further connected to the exhaust hole in parallel, and the No. 5 valve is communicated with the sewage draining main pipe. The No. 5 valve is used for controlling the on-off between the regular sewage draining port and the sewage draining main pipe, the safety valve is used for preventing the internal pressure from being too high, the safety is improved, and the automatic exhaust valve is used for automatically exhausting redundant gas in the filter, so that the safety is improved.
An ammonia water filtering process flow applies an ammonia water filtering system, and comprises the following steps:
when the system works normally, the valve No. 3 and the valve No. 7 are opened, ammonia water in the liquid inlet main pipe enters the double-layer filter through the valve No. 3 for filtration, and the filtered ammonia water flows out of the opened valve No. 7 and enters the liquid outlet main pipe;
when an inner cavity of the system is backwashed, a valve No. 1 and a valve No. 2 are opened, liquid in a backwashed liquid inlet pipe enters the inner cavity through the valve No. 1 for washing, and the washed liquid is gathered at the liquid inlet under the action of gravity and enters a sewage drainage main pipe through the valve No. 2;
when the outer cavity of the system is backwashed, a No. 6 valve and a No. 4 valve are opened, liquid in a backwashed liquid inlet pipe enters the outer cavity through the No. 6 valve for flushing, and the flushed liquid is converged at a sewage discharge port of the outer cavity backwashing under the action of gravity and enters a sewage discharge main pipe through the No. 4 valve;
when the whole system is backwashed, the No. 2 valve and the No. 6 valve are opened, liquid in the backwashing liquid inlet pipe enters the outer cavity through the No. 6 valve to be washed, then overflows from the outer cavity to the inner cavity to be washed, and the washed liquid is discharged from the liquid inlet and enters the sewage main pipe through the No. 2 valve.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a feed distributor according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a drainage distributor according to embodiment 1 of the present invention;
FIG. 4 is a schematic view showing the installation of a composite ceramic membrane tube according to example 1 of the present invention;
FIG. 5 is a schematic structural view of embodiment 2 of the present invention;
fig. 6 is a schematic structural diagram of embodiment 3 of the present invention.
In the figure: 1. a barrel; 2. an inner cavity; 3. an outer cavity; 4. a drainage distributor; 41. a second base plate; 42. a second filter plate; 43. a second filter hole; 44. an exhaust hole; 45. an exhaust pipe connecting component; 5. a liquid inlet; 6. filtering the material; 7. a liquid outlet; 8. a composite ceramic membrane tube; 81. mounting a pattern plate; 82. a lower pattern plate; 83. a positioning tube; 84. a gland; 85. an upper gasket; 86. a lower gasket; 87. epoxy resin glue; 9. a liquid inlet distributor; 91. a first base plate; 92. a first filter plate; 93. a first filter hole; 94. a liquid inlet hole; 95. a liquid inlet pipe connecting component; 10. a first manhole assembly; 11. a second manhole assembly; 13. a third manhole assembly; 14. a fourth manhole assembly; 15. a safety valve port; 16. a periodic sewage draining outlet; 17. an outer cavity back flushing sewage discharge outlet; 18. a support; 19. a safety valve extension assembly; 20. a liquid inlet header pipe; 21. a liquid outlet main pipe; 22. backwashing the liquid inlet pipe; 23. a main sewer; 101. a valve number 1; 102. a valve number 2; 103. a valve No. 3; 104. a valve number 4; 105. a valve No. 5; 106. a valve number 6; 107. a valve No. 7; 108. a safety valve; 109. an automatic exhaust valve.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Example 1:
the double-layer filter provided by the embodiment comprises a cylinder 1, wherein the cylinder 1 is divided into an inner cavity 2 and an outer cavity 3 from inside to outside, the inner cavity 2 is communicated with the outer cavity 3 through a liquid discharge distributor 4, one of the inner cavity 2 or the outer cavity 3 is provided with a liquid inlet 5 and a filter material 6, the other one is provided with a liquid outlet 7 and a composite ceramic membrane pipe 8, and the liquid inlet 5 is provided with a liquid inlet distributor 9. Specifically, the filter material 6 is coke with different grading, the barrel 1 is integrally cylindrical with an upper cambered surface and a lower cambered surface, the barrel 1 is divided into an inner cavity 2 and an outer cavity 3 to facilitate double-layer filtration, different filtration modes or filter materials 6 are arranged in each cavity, the inner cavity 2 and the outer cavity 3 are divided from inside to outside, the residual ammonia water can flow from one end of the barrel 1 to the other end, the passing distance is longest, the filtration time in the cavity is long, the filtration effect is better, the liquid discharge distributor 4 is used for uniformly feeding the liquid in the inner cavity 2 or the outer cavity 3 into the other cavity to facilitate uniform filtration of the liquid in the other cavity, the liquid inlet 5 is used for feeding the ammonia water to be filtered, the filter material 6 is coke with different grading, the ammonia water passes through different grading adsorption functions, thereby completing removal of dissolved oil in the residual ammonia water, and the liquid inlet 5 and the filter material 6 are in the same cavity, the ammonia water to be filtered can be filtered by the filter material 6, the liquid outlet 7 is used for discharging the filtered ammonia water, the composite ceramic membrane tube 8 has irregular, different-size and criss-cross gaps, organic matters, enriched matters and fine coke particles in the residual ammonia water can be removed, and the intercepted matters are intercepted from large to small in sequence, so that an ideal filtering effect and effect are achieved; and the oil washing capacity of the composite ceramic membrane tube 8 per se, the removal of the dissolved oil in the residual ammonia water is completed again, and the liquid inlet distributor 9 is used for uniformly sending the entering ammonia water into the cavity, so that the sent ammonia water is uniformly filtered. In this embodiment, the liquid inlet 5 and the filter material 6 are arranged on the inner cavity 2, one part of the through holes on the liquid discharge distributor 4 is communicated with the inner cavity 2, and the other part is communicated with the outer cavity 3, so that the liquid in the inner cavity 2 enters the liquid discharge distributor 4 through the through holes communicated with the inner cavity 2, and is discharged to the outer cavity 3 through the through holes communicated with the outer cavity 3 on the liquid discharge distributor 4. Inlet 5 and row's liquid distributor 4 arrange relatively, and inlet 5 sets up in the bottom in this embodiment, and row's liquid distributor 4 sets up at the top, can make the liquid that gets into from inlet 5 flow to the top from the bottom, guarantees that liquid is the farthest at the distance that outer chamber 3 passed through, and filter material 6 that passes through is the most, and filter time is the longest, improves the filter effect.
When the filter material 6 is replaced, only the lower liquid distributor 4 and the liquid inlet distributor 9 need to be taken out, so that the two sides are communicated, the filter material 6 can be discharged from one side, and the other side is placed in, and the filter material replacing device is simple and convenient.
For the feed liquor is even reliable, as shown in fig. 2, the feed liquor distributor 9 comprises a first bottom plate 91 and a first filter plate 92 from bottom to top, the first bottom plate 91 is circular, the first filter plate 92 adopts a hemispherical composite metal film, a first filter hole 93 is formed in the first filter plate 92, and a feed liquor hole 94 is formed in the first bottom plate 91. The liquid inlet hole 94 is provided with a liquid inlet pipe assembly 95, the first filter plate 92 is connected with the first bottom plate 91, and the first bottom plate 91 is connected with the inner cavity 2 through bolts. First bottom plate 91 is used for being connected with inner chamber 2, the inlet 5 is plugged up to the while, first filter plate 92 adopts hemispherical composite metal membrane, hemispherical design can increase the surface area, increase the quantity of arranging of first filtration pore 93, first filtration pore 93 is used for liquid to pass through, it can the limited surplus aqueous ammonia filter area of increase to gather first filtration pore 93 on the hemispherical composite metal membrane, and accomplish the feed liquor more evenly, be difficult to block up, feed liquor hole 94 is used for the liquid to get into, and be connected with feed liquor connector subassembly 95, guarantee that the feed liquor is reliable, feed liquor hole 94 also is the back flush drain of inner chamber simultaneously.
In order to facilitate installation and maintenance, a first manhole assembly 10 is arranged outside the liquid inlet distributor 9. The inlet opening 94 is fed through the first manhole assembly 10 by means of an inlet connecting pipe assembly 95, the first manhole assembly 10 being connected to the inner chamber 2. The first manhole assembly 10 is flexible to open and close, convenient to install, overhaul and safely check, and has better protection to the liquid inlet distributor 9.
In order to make the liquid flow uniformly between the inner cavity 2 and the outer cavity 3, as shown in fig. 3, the liquid discharge distributor 4 includes, from top to bottom, a second bottom plate 41 and a second filter plate 42, the second bottom plate 41 is circular, the second filter plate 42 is a cylindrical surface and a hemispherical composite metal film, the second filter plate 42 is provided with a second filter hole 43, and the second bottom plate 41 is provided with an exhaust hole 44. The exhaust hole 44 is provided with an exhaust connecting pipe assembly 45, the second filter plate 42 is connected with the second bottom plate 41, and the second bottom plate 41 is connected with the outer cavity 3 through bolts. The two ends of the drainage distributor 4 are respectively connected with the inner cavity 2 and the outer cavity 3, the second bottom plate 41 is used for connecting with the outer cavity 3 and simultaneously blocking a channel between the inner cavity 2 and the outer cavity 3, the second filter plate 42 adopts a cylindrical surface and a hemispherical composite metal film, the cylindrical surface and the hemispherical surface can increase the surface area and increase the arrangement number of the second filter holes 43, the second filter plate 42 is separated by a partition plate between the inner cavity 2 and the outer cavity 3, one part of the second filter plate 42 is communicated with the inner cavity 2, the other part is communicated with the outer cavity 3, one part of the second filter holes 43 on the second filter plate 4 is used for communicating the inner cavity 2 and the drainage distributor 4, the other part is used for communicating the outer cavity 3 and the drainage distributor 4, so that ammonia water can uniformly flow into the drainage distributor 4 from the inner cavity 2 and then uniformly flow into the outer cavity 3 from the drainage distributor 4, the second filter holes 43 are used for liquid to pass through, the second filtering holes 43 densely distributed on the composite metal film can increase the filtering area of the residual ammonia water in a limited way and finish liquid outlet more uniformly, the residual ammonia water is not easy to block, the exhaust holes 44 are used for discharging redundant gas and are connected with the exhaust connecting pipe assembly 45 to ensure reliable exhaust, and the exhaust holes 44 are also used as an inner cavity backwashing liquid inlet.
For the convenience of installation and maintenance, the drainage distributor 4 is externally provided with a second manhole assembly 11. The exhaust hole 44 communicates with the outside through the second manhole assembly 11 by an exhaust joint pipe assembly 45, and the second manhole assembly 11 is connected with the outer chamber 3. The second manhole assembly 11 is flexible to open and close, is convenient to install, overhaul and safely check, and has better protection to the drainage distributor 4.
In order to facilitate the installation of the composite ceramic membrane tube 8, an upper flower plate 81 and a lower flower plate 82 are respectively arranged at the upper end and the lower end of the composite ceramic membrane tube 8, and the upper flower plate 81 and the lower flower plate 82 are both connected with the cylinder body 1. The composite ceramic membrane tubes 8 are uniformly distributed around the inner cavity 2 and are arranged between the outer wall of the inner cavity 2 and the inner wall of the outer cavity 3. Go up card 81 and lower card 82 and be connected with barrel 1, the installation of the compound ceramic membrane pipe 8 of being convenient for, and make the installation of compound ceramic membrane pipe 8 firm, go up card 81 and seted up a plurality of through-holes on the card 82 down, can make the liquid circulation when filtering large granule impurity, compound ceramic membrane pipe 8 encircles 2 equipartitions of inner chamber, and the aqueous ammonia is to each direction uniform flow of outer chamber 3 through drainage distributor 4, can make the aqueous ammonia homoenergetic at outer chamber 3 filter through compound ceramic membrane pipe 8, the filter effect is even.
For the purpose of reliable installation of the composite ceramic membrane tube 8, as shown in fig. 4, a positioning tube 83 is arranged on the lower flower plate 82, the composite ceramic membrane tube 8 is sleeved on the positioning tube 83, a gland 84 is arranged at the top of the composite ceramic membrane tube 8, the gland 84 is connected with the upper flower plate 81, an upper gasket 85 is arranged between the gland 84 and the composite ceramic membrane tube 8, and a lower gasket 86 is arranged between the composite ceramic membrane tube 8 and the lower flower plate 82. Epoxy resin glue 87 is arranged between the composite ceramic membrane tube 8 and the upper pattern plate 81. The registration arm 83 is used for the installation location of compound ceramic membrane pipe 8, gland 84 is used for fixing compound ceramic membrane pipe 8 from the upper end, with the cooperation of registration arm 83, accomplish the fixed at the upper and lower both ends of compound ceramic membrane pipe 8, go up packing ring 85 and lower packing ring 86 and can reduce holding surface pressure, make its pressure even, epoxy glue 87 is used for further strengthening compound ceramic membrane pipe 8's fixed, fill the clearance between compound ceramic membrane pipe 8 and the last card 81, prevent that compound ceramic membrane pipe 8 from rocking.
For the convenience of installation and maintenance, the barrel 1 is provided with a third manhole assembly 13, and the third manhole assembly 13 is arranged between the upper pattern plate 81 and the lower pattern plate 82. The third manhole assembly 13 is flexible to open and close, is convenient to install, overhaul and safely check, and the third manhole assembly 13 is arranged between the upper pattern plate 81 and the lower pattern plate 82, so that the composite ceramic membrane tube 8 is convenient to install and overhaul.
In order to facilitate unloading, the liquid inlet 5 is arranged at the lower end of the barrel body 1 and on the inner cavity 2, the inner cavity 2 is large in the middle and small in two ends, and the liquid outlet 7 is arranged at the upper end of the barrel body 1. The liquid inlet 5 is arranged at the lower end of the cylinder 1, so that the liquid inlet distributor 9 is arranged at the lower end of the cylinder 1 and is communicated with the inner cavity 2 and the outer cavity 3, the liquid discharge distributor 4 is arranged at the upper end of the cylinder 1, the inner cavity 2 is filled with cokes with different grading, when the filter material 6 is replaced, only the liquid inlet distributor 9 and the liquid discharge distributor 4 need to be taken down, all the cokes in the inner cavity 2 can fall down under the action of gravity, so that the replacement of the coke filter material 6 is quickly completed, the inner cavity 2 is large in the middle, two ends are small, the arrangement of the cokes with different grading is convenient, two ends are small, the cross-sectional area is small, the flow speed is high, ammonia water can conveniently pass through, the middle is large, the cross-sectional area is large, the flow speed is low, the filtering time is long, the filtering effect is good, the lower end is small, the falling speed of the cokes can be controlled when the filter material 6 is replaced, the risk caused by the over-fast falling of the cokes is prevented, the liquid outlet 7 is arranged at the upper end, the liquid discharge distributor 4 is arranged at the upper end of the cylinder 1, it is convenient to take off the lower discharge distributor 4 and fill the filter material 6 from the upper end downwards. Traditional coke filter material filter is changed comparatively complicatedly, needs personnel to get into the old coke filter material of 2 clearance in the filter inner chamber, exists certain security and consumes certain labour, and 6 changes of this device filter material drop automatically, can accomplish 6 changes of coke filter material fast.
For better practicability, the lower end of the outer cavity 3 is provided with a fourth manhole assembly 14, the upper end of the outer cavity 3 is provided with a safety valve port 15, the barrel 1 is provided with a periodic sewage outlet 16, the bottom of the outer cavity 3 is provided with an outer cavity back flushing sewage outlet 17, the barrel 1 is provided with a support 18, the safety valve port 15 is provided with a safety valve connecting pipe assembly 19, the periodic sewage outlet 16 is communicated with the lower flower plate 82, and the liquid outlet 7 is arranged between the upper flower plate 81 and the lower flower plate 82. The fourth manhole assembly 14 is flexible to open and close, and convenient to install, overhaul and safety inspection, the safety valve port 15 is used for installing a safety valve, the regular sewage outlet 16 is used for regularly discharging sewage in the cylinder body 1, the outer cavity backwashing sewage outlet 17 is used for discharging sewage after the outer cavity 3 is backflushed, the support 18 is used for supporting and fixing the cylinder body 1, the safety valve connecting pipe assembly 19 is used for connecting the safety valve port 15 with the safety valve, so that the connection is more reliable, the liquid outlet 7 is arranged between the upper flower plate 81 and the lower flower plate 82, the composite ceramic membrane pipe 8 is also arranged between the upper flower plate 81 and the lower flower plate 82, so that discharged ammonia water can be well filtered, and the regular sewage outlet 16 is communicated with the lower flower plate 82, so that impurities deposited on the lower flower plate 82 are easily discharged.
Example 2:
the double-layer filter provided by the embodiment comprises a cylinder 1, wherein the cylinder 1 is divided into an inner cavity 2 and an outer cavity 3 from inside to outside, the inner cavity 2 is communicated with the outer cavity 3 through a liquid discharge distributor 4, one of the inner cavity 2 or the outer cavity 3 is provided with a liquid inlet 5 and a filter material 6, the other one is provided with a liquid outlet 7 and a composite ceramic membrane pipe 8, and the liquid inlet 5 is provided with a liquid inlet distributor 9. In this embodiment, liquid inlet 5 and filter material 6 are arranged on outer cavity 3, liquid outlet 7 and composite ceramic membrane tube 8 are arranged on inner cavity 2, liquid outlet 7 extends to the outside of barrel 1, liquid inlet 5 is arranged at the bottom of barrel 1, and liquid discharge distributor 4 is arranged at the top of barrel 1. Inlet 5 and row's liquid distributor 4 arrange relatively, and inlet 5 sets up in the bottom in this embodiment, and row's liquid distributor 4 sets up at the top, can make the liquid that gets into from inlet 5 flow to the top from the bottom, guarantees that liquid is the farthest at the distance that outer chamber 3 passed through, and filter material 6 that passes through is the most, and filter time is the longest, improves the filter effect.
When the filter material 6 is replaced, only the liquid inlet distributor 9 and the liquid discharge distributor 4 need to be taken down, and the filter material 6 of the outer cavity 3 can fall down completely under the action of gravity, so that the replacement of the filter material 6 is completed quickly.
Example 3:
the ammonia water filtration system that this embodiment provided, as shown in fig. 6, including a double-deck filter, inlet manifold 20 and play liquid house steward 21, be equipped with No. 3 valve 103 on the inlet 5, be equipped with No. 7 valve 107 on the liquid outlet 7, No. 3 valve 103 communicates with inlet manifold 20, No. 7 valve 107 communicates with play liquid house steward 21. The liquid inlet main pipe 20 is used for providing liquid to be filtered, the liquid outlet main pipe 21 is used for discharging the filtered liquid, the valve 103 No. 3 is used for controlling the on-off between the filter and the liquid inlet main pipe 20, and the valve 107 No. 7 is used for controlling the on-off between the filter and the liquid outlet main pipe 21. When the liquid filter is used, liquid to be filtered enters the filter from the liquid outlet main pipe 21 through the No. 3 valve 103 for filtering, and the filtered liquid is discharged from the liquid outlet 7 to the liquid outlet main pipe 21 through the No. 7 valve 107.
In order to clean the inner cavity 2 conveniently, the device comprises a backwashing liquid inlet pipe 22 and a sewage draining main pipe 23, a No. 1 valve 101 is arranged on the air exhaust hole 44, a No. 2 valve 102 is further connected to the liquid inlet 5 in parallel, the No. 1 valve 101 is communicated with the backwashing liquid inlet pipe 22, and the No. 2 valve 102 is communicated with the sewage draining main pipe 23. The backwashing liquid inlet pipe 22 is used for providing liquid for backwashing, the sewage draining main pipe 23 is used for intensively draining the washed liquid, the valve 1 is used for controlling the on-off between the exhaust hole 44 and the backwashing liquid inlet pipe 22, and the valve 2 is used for controlling the on-off between the liquid inlet 5 and the sewage draining main pipe 23. When the backwashing liquid inlet pipe is used, backwashing liquid enters the inner cavity 2 from the backwashing liquid inlet pipe 22 through the No. 1 valve 101 for flushing, and the flushed liquid is discharged into the sewage header pipe 23 from the liquid inlet 5 through the No. 2 valve 102.
In order to clean the outer cavity 3 conveniently, a No. 6 valve 106 is connected in parallel on the liquid outlet 7, a No. 4 valve 104 is arranged on the outer cavity backwashing sewage discharge outlet 17, the No. 6 valve 106 is communicated with the backwashing liquid inlet pipe 22, and the No. 4 valve 104 is communicated with the sewage discharge main pipe 23. The No. 6 valve 106 is used for controlling the on-off between the liquid outlet 7 and the backwashing liquid inlet pipe 22, and the No. 4 valve 104 is used for controlling the on-off between the outer cavity backwashing sewage discharge port 17 and the sewage main pipe 23. When the backwashing device is used, backwashing liquid enters the outer cavity 3 from the backwashing liquid inlet pipe 22 through the No. 6 valve 106 for washing, and the washed liquid is discharged from the outer cavity backwashing sewage outlet 17 to the sewage main pipe 23 through the No. 4 valve 104.
In order to improve the safety, a No. 5 valve 105 is arranged on the periodic sewage draining outlet 16, a safety valve 108 is arranged on the safety valve port 15, an automatic exhaust valve 109 is also connected to the exhaust hole 44 in parallel, and the No. 5 valve 105 is communicated with the sewage draining main pipe 23. The No. 5 valve 105 is used for controlling the on-off between the periodic sewage draining outlet 16 and the sewage draining main pipe 23, the safety valve 108 is used for preventing the internal pressure from being overhigh and improving the safety, and the automatic exhaust valve 109 is used for automatically exhausting redundant gas in the filter and improving the safety.
Example 4:
the ammonia water filtering process flow provided by the embodiment applies an ammonia water filtering system, and comprises the following steps:
when the system works normally, the valve 103 and the valve 107 No. 3 are opened, ammonia water in the liquid inlet main pipe 20 enters the double-layer filter through the valve 103 No. 3 for filtration, and the filtered ammonia water flows out of the valve 107 No. 7 and enters the liquid outlet main pipe 21;
when the inner cavity of the system is backwashed, the No. 1 valve 101 and the No. 2 valve 102 are opened, liquid in the backwashed liquid inlet pipe 22 enters the inner cavity 2 through the No. 1 valve 101 for washing, and the washed liquid is converged at the liquid inlet 5 under the action of gravity and enters the sewage drainage main pipe 23 through the No. 2 valve 102;
when the outer cavity of the system is backwashed, the No. 6 valve 106 and the No. 4 valve 104 are opened, the liquid in the backwashed liquid inlet pipe 22 enters the outer cavity 3 through the No. 6 valve 106 for washing, and the washed liquid is converged at the outer cavity backwashing sewage outlet 17 under the action of gravity and enters the sewage main pipe 23 through the No. 4 valve 104;
when the whole system is backwashed, the No. 2 valve 102 and the No. 6 valve 106 are opened, liquid in the backwashing liquid inlet pipe 22 enters the outer cavity 3 through the No. 6 valve 106 to be flushed, then overflows from the outer cavity 3 to the inner cavity 2 to be flushed, and the flushed liquid is discharged from the liquid inlet 5 and enters the sewage drainage main pipe 23 through the No. 2 valve 102.
The ammonia water filtering process flow disclosed by the invention can carry out back flushing operation of the inner cavity 2 and the outer cavity 3 or both the inner cavity and the outer cavity outside normal work, is convenient to clean, can clean the inner cavity 2 and the outer cavity 3, has good cleaning effect, uses the liquid inlet 5 for normal liquid inlet and back flushing liquid outlet, uses the liquid outlet 7 for liquid outlet and back flushing liquid inlet, and uses the exhaust hole 44 for exhaust and back flushing liquid inlet.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (15)
1. The utility model provides a double-deck filter, includes barrel (1), its characterized in that inner chamber (2) and exocoel (3) are separated from inside to outside to barrel (1), through drain distributor (4) intercommunication between inner chamber (2) and exocoel (3), inner chamber (2) or one of them is equipped with inlet (5) and filter material (6) in exocoel (3), and another is equipped with liquid outlet (7) and composite ceramic membrane pipe (8), is equipped with into liquid distributor (9) on inlet (5), and inlet (5) and drain distributor (4) are arranged relatively.
2. A double-layer filter according to claim 1, wherein: the upper end and the lower end of the composite ceramic membrane tube (8) are respectively provided with an upper pattern plate (81) and a lower pattern plate (82), and the upper pattern plate (81) and the lower pattern plate (82) are both connected with the cylinder body (1).
3. A double-layer filter according to claim 2, wherein: be equipped with registration arm (83) down on card (82), composite ceramic membrane pipe (8) cover is established on registration arm (83), and composite ceramic membrane pipe (8) top is equipped with gland (84), and gland (84) are connected with last card (81), are equipped with between gland (84) and composite ceramic membrane pipe (8) packing ring (85), are equipped with down packing ring (86) down between composite ceramic membrane pipe (8) and lower card (82).
4. A double layer filter according to claim 2, wherein: the cylinder body (1) is provided with a third manhole assembly (13), and the third manhole assembly (13) is arranged between the upper pattern plate (81) and the lower pattern plate (82).
5. A double-layer filter according to claim 1, wherein: advance liquid distributor (9) from the bottom up and include first bottom plate (91) and first filter plate (92), hemispherical composite metal membrane is adopted in first filter plate (92), is equipped with first filtration pore (93) on first filter plate (92), and feed liquor hole (94) have been seted up in first bottom plate (91).
6. The double-layer filter according to claim 5, wherein: a first manhole assembly (10) is arranged outside the liquid inlet distributor (9).
7. A double-layer filter according to claim 1, wherein: the drainage distributor (4) comprises a second bottom plate (41) and a second filter plate (42) from top to bottom, the second filter plate (42) adopts a cylindrical surface and a hemispherical composite metal film, second filter holes (43) are formed in the second filter plate (42), and exhaust holes (44) are formed in the second bottom plate (41).
8. A double layer filter according to claim 7, wherein: and a second manhole assembly (11) is arranged outside the drainage distributor (4).
9. A double layer filter according to any one of claims 1 to 8, wherein: the liquid inlet (5) is arranged at the lower end of the barrel body (1) and on the inner cavity (2), the inner cavity (2) is large in the middle and small in two ends, and the liquid outlet (7) is arranged at the upper end of the barrel body (1).
10. A double layer filter according to claim 9, wherein: the lower end of the outer cavity (3) is provided with a fourth manhole assembly (14), the upper end of the outer cavity (3) is provided with a safety valve port (15), the cylinder body (1) is provided with a periodic sewage draining outlet (16), the bottom of the outer cavity (3) is provided with an outer cavity backwashing sewage draining outlet (17), and the cylinder body (1) is provided with a support (18).
11. An ammonia filtration system, comprising a double-layer filter according to any one of claims 1 to 10, a liquid inlet header pipe (20) and a liquid outlet header pipe (21), wherein a valve (103) No. 3 is arranged on the liquid inlet (5), a valve (107) No. 7 is arranged on the liquid outlet (7), the valve (103) No. 3 is communicated with the liquid inlet header pipe (20), and the valve (107) No. 7 is communicated with the liquid outlet header pipe (21).
12. An ammonia filtration system as defined in claim 11 wherein: the device comprises a backwashing liquid inlet pipe (22) and a sewage draining main pipe (23), wherein a No. 1 valve (101) is arranged on an exhaust hole (44), a No. 2 valve (102) is connected to a liquid inlet (5) in parallel, the No. 1 valve (101) is communicated with the backwashing liquid inlet pipe (22), and the No. 2 valve (102) is communicated with the sewage draining main pipe (23).
13. An ammonia filtration system as defined in claim 12 wherein: a No. 6 valve (106) is further connected to the liquid outlet (7) in parallel, a No. 4 valve (104) is arranged on the outer cavity backwashing sewage draining outlet (17), the No. 6 valve (106) is communicated with the backwashing liquid inlet pipe (22), and the No. 4 valve (104) is communicated with the sewage draining main pipe (23).
14. An ammonia filtration system as defined in claim 13 wherein: the regular sewage draining port (16) is provided with a No. 5 valve (105), the safety valve port (15) is provided with a safety valve (108), the exhaust hole (44) is also connected with an automatic exhaust valve (109) in parallel, and the No. 5 valve (105) is communicated with the sewage draining main pipe (23).
15. An ammonia water filtration process flow applying an ammonia water filtration system according to any one of claims 11 to 14, comprising the steps of:
when the system normally works, the valve No. 3 (103) and the valve No. 7 (107) are opened, ammonia water in the liquid inlet main pipe (20) enters the double-layer filter through the valve No. 3 (103) to be filtered, and the filtered ammonia water flows out of the opened valve No. 7 (107) and enters the liquid outlet main pipe (21);
when an inner cavity of the system is backwashed, a valve 1 (101) and a valve 2 (102) are opened, liquid in a backwashed liquid inlet pipe (22) enters the inner cavity (2) through the valve 1 (101) for washing, and the washed liquid is converged at a liquid inlet (5) and enters a sewage drainage main pipe (23) through the valve 2 (102);
when the outer cavity of the system is backwashed, a No. 6 valve (106) and a No. 4 valve (104) are opened, liquid in a backwashed liquid inlet pipe (22) enters the outer cavity (3) through the No. 6 valve (106) for washing, and the washed liquid is converged at a sewage discharge outlet (17) of the outer cavity backwash and enters a sewage discharge main pipe (23) through the No. 4 valve (104);
when the whole system is backwashed, the No. 2 valve (102) and the No. 6 valve (106) are opened, liquid in the backwashing liquid inlet pipe (22) enters the outer cavity (3) through the No. 6 valve (106) to be washed, then overflows from the outer cavity (3) to the inner cavity (2) to be washed, and the washed liquid is discharged from the liquid inlet (5) and enters the sewage draining main pipe (23) through the No. 2 valve (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210679559.6A CN114949994B (en) | 2022-06-16 | 2022-06-16 | Double-layer filter and ammonia water filtering system and process flow using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210679559.6A CN114949994B (en) | 2022-06-16 | 2022-06-16 | Double-layer filter and ammonia water filtering system and process flow using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114949994A true CN114949994A (en) | 2022-08-30 |
| CN114949994B CN114949994B (en) | 2024-06-25 |
Family
ID=82964119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210679559.6A Active CN114949994B (en) | 2022-06-16 | 2022-06-16 | Double-layer filter and ammonia water filtering system and process flow using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114949994B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115300954A (en) * | 2022-10-12 | 2022-11-08 | 南通水山环保设备有限公司 | Easy-cleaning type pretreatment equipment for pure water production |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2219749Y (en) * | 1995-01-19 | 1996-02-14 | 韩东银 | Mine sewage treating equipment |
| JP2001137840A (en) * | 1999-11-15 | 2001-05-22 | Matsushita Electric Works Ltd | Water purification cartridge |
| JP2003010839A (en) * | 2001-07-04 | 2003-01-14 | Toray Ind Inc | Water cleaner |
| JP2003053334A (en) * | 2001-08-14 | 2003-02-25 | Mitsubishi Rayon Co Ltd | Water cleaner |
| CN101712514A (en) * | 2009-11-26 | 2010-05-26 | 浙江锐普环保科技有限公司 | Multistage filter core |
| CN102319518A (en) * | 2011-08-31 | 2012-01-18 | 黑龙江建龙钢铁有限公司 | Coke filtration remained ammonia tar device |
| CN208458137U (en) * | 2018-05-18 | 2019-02-01 | 唐超 | A kind of domestic air purification chlorination equipment |
| CN210251884U (en) * | 2019-07-05 | 2020-04-07 | 张石萍 | Single tube combined sectional type ceramic membrane tube filter |
| CN212467629U (en) * | 2020-06-01 | 2021-02-05 | 溧阳市鑫盛化工设备有限公司 | Dry absorption tower |
| CN113842782A (en) * | 2021-11-18 | 2021-12-28 | 张石萍 | Sectional type positive and negative two-way quick oil discharge tubular filter |
-
2022
- 2022-06-16 CN CN202210679559.6A patent/CN114949994B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2219749Y (en) * | 1995-01-19 | 1996-02-14 | 韩东银 | Mine sewage treating equipment |
| JP2001137840A (en) * | 1999-11-15 | 2001-05-22 | Matsushita Electric Works Ltd | Water purification cartridge |
| JP2003010839A (en) * | 2001-07-04 | 2003-01-14 | Toray Ind Inc | Water cleaner |
| JP2003053334A (en) * | 2001-08-14 | 2003-02-25 | Mitsubishi Rayon Co Ltd | Water cleaner |
| CN101712514A (en) * | 2009-11-26 | 2010-05-26 | 浙江锐普环保科技有限公司 | Multistage filter core |
| CN102319518A (en) * | 2011-08-31 | 2012-01-18 | 黑龙江建龙钢铁有限公司 | Coke filtration remained ammonia tar device |
| CN208458137U (en) * | 2018-05-18 | 2019-02-01 | 唐超 | A kind of domestic air purification chlorination equipment |
| CN210251884U (en) * | 2019-07-05 | 2020-04-07 | 张石萍 | Single tube combined sectional type ceramic membrane tube filter |
| CN212467629U (en) * | 2020-06-01 | 2021-02-05 | 溧阳市鑫盛化工设备有限公司 | Dry absorption tower |
| CN113842782A (en) * | 2021-11-18 | 2021-12-28 | 张石萍 | Sectional type positive and negative two-way quick oil discharge tubular filter |
Non-Patent Citations (1)
| Title |
|---|
| 杨金花;: "焦化剩余氨水除油系统改造", 化工设计通讯, no. 01, pages 80 - 81 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115300954A (en) * | 2022-10-12 | 2022-11-08 | 南通水山环保设备有限公司 | Easy-cleaning type pretreatment equipment for pure water production |
| CN115300954B (en) * | 2022-10-12 | 2022-12-20 | 南通水山环保设备有限公司 | Easy-cleaning type pretreatment equipment for pure water production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114949994B (en) | 2024-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101039739B (en) | Methods and apparatus for removing solids from a membrane module | |
| CN201283274Y (en) | Automatic cleaning microfiltration membrane device | |
| CN209423325U (en) | A kind of high-efficiency spray tower | |
| CN111135718B (en) | Sewage filtering device and filtering method | |
| KR19990035812A (en) | Hybrid filter system and process fluid filtration method | |
| KR102376914B1 (en) | Filtering Apparatus for inlet water | |
| CN114949994A (en) | Double-layer filter and ammonia water filtering system and process flow applying same | |
| CN116570981A (en) | Filtering application and packaging structure of ceramic membrane | |
| CN114873685A (en) | Ultrafiltration membrane sewage treatment equipment based on non-compact filter element | |
| CN217855012U (en) | Quick-release filter and ammonia water filtering system applying same | |
| CN218047324U (en) | Centralized water supply ultrafiltration water purification equipment with built-in flow monitoring structure | |
| CN217220272U (en) | Compressed air back flushing device | |
| CN207862033U (en) | Tap water primary purifying device | |
| CN214634495U (en) | High efficiency filter with back flush function | |
| KR200156598Y1 (en) | Underdrain system for rapid filtration | |
| CN114470892A (en) | Hydraulic spiral-flow type backwashing filter device and method | |
| CN207619064U (en) | The filter of automatically replaceable activated carbon | |
| CN219308166U (en) | Adsorption lithium extracting device | |
| CN207286784U (en) | A kind of double case gravity valveless filters | |
| CN220578976U (en) | Quicksand filter for sewage treatment | |
| CN109157884A (en) | A kind of Electroplate liquid filter, purging method and system | |
| CN211799047U (en) | Gravity type valveless filter | |
| CN218146278U (en) | Denitrification deep bed filter | |
| CN219111325U (en) | Disassembly-free self-cleaning silicon carbide membrane filtration system | |
| CN214913672U (en) | High-speed double-cyclone filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |