CN220723713U - Multistage integrated reclaimed water recycling equipment - Google Patents
Multistage integrated reclaimed water recycling equipment Download PDFInfo
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- CN220723713U CN220723713U CN202321192287.3U CN202321192287U CN220723713U CN 220723713 U CN220723713 U CN 220723713U CN 202321192287 U CN202321192287 U CN 202321192287U CN 220723713 U CN220723713 U CN 220723713U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 256
- 238000004064 recycling Methods 0.000 title claims abstract description 19
- 238000001728 nano-filtration Methods 0.000 claims description 52
- 239000012528 membrane Substances 0.000 claims description 40
- 238000004519 manufacturing process Methods 0.000 claims description 26
- 239000012141 concentrate Substances 0.000 claims description 19
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000011010 flushing procedure Methods 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 6
- 230000010354 integration Effects 0.000 abstract description 4
- 238000010992 reflux Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a multi-section integrated reclaimed water recycling device, which comprises a first-section water treatment structure and a second-section water treatment structure; the first three-way joint is connected with the inlet of the first section of water inlet security filter through a first elbow, and the outlet of the first section of water inlet security filter is connected with the inlet of the manual ball valve; a section of water inlet low-pressure protection, a section of water inlet ORP on-line monitor and a section of water inlet conductivity meter are arranged between the section of water inlet security filter and the manual ball valve; the outlet of the manual ball valve is connected with the inlet of a section of high-pressure pump, the outlet of the section of high-pressure pump is connected with the inlet of a stop valve, the outlet of the stop valve is connected with a first port of a first reducing three-way joint, and a second port of the first reducing three-way joint is connected with the manual ball valve; the third port of the first reducing tee joint is connected with a section of inlet of water inlet high-pressure protection, and the outlet of the section of water inlet high-pressure protection is connected with a second elbow; the reclaimed water recycling equipment can purify water and improve the integration level of the equipment.
Description
Technical Field
The utility model relates to the technical field of reclaimed water recycling equipment, in particular to multi-section integrated reclaimed water recycling equipment.
Background
With the development of socioeconomic performance and the growth of population, water resource shortage has become a global problem, and the water shortage situation of China is more serious. Meanwhile, the water environment pollution is increasingly serious. Especially, the organic pollution of the river reach flowing through the city is more serious, and the eutrophication problem of the main lake is prominent. Water resource shortage and environmental pollution have become important factors restricting the economic and social development of China. The deterioration of water environment quality and the high-speed development of economy are urgent to be suitable for the sewage reclamation technology developed in the age to relieve the water resource shortage condition. Various novel improved efficient sewage treatment technologies are developed. If the existing reclaimed water recycling equipment is to realize multi-section water treatment, a plurality of equipment are needed to be treated respectively, the integration level of the equipment is low, and the occupied area is large.
Disclosure of Invention
The utility model aims to provide multi-section integrated reclaimed water recycling equipment, which integrates a first-section water treatment structure and a second-section water treatment structure, and improves the integration level of the equipment while realizing water purification.
In order to achieve the purpose of the utility model, the following technical scheme is adopted:
a multi-section integrated reclaimed water recycling device comprises a section of water treatment structure;
the first section of water treatment structure comprises a first three-way joint, the first three-way joint is connected with the inlet of a section of water inlet security filter through a first elbow, and the outlet of the section of water inlet security filter is connected with the inlet of a manual ball valve; wherein, a section of water inlet low-pressure protection, a section of water inlet ORP on-line monitor and a section of water inlet conductivity meter are sequentially arranged between the section of water inlet security filter and the manual ball valve;
the outlet of the manual ball valve is connected with the inlet of a section of high-pressure pump, the outlet of the section of high-pressure pump is connected with the inlet of a stop valve, the outlet of the stop valve is connected with a first port of a first reducing three-way joint, and a second port of the first reducing three-way joint is connected with the manual ball valve; wherein the manual ball valve is an inlet for the wash water of the one-stage water treatment structure;
the third port of the first reducing tee joint is connected with a section of inlet of water inlet high-pressure protection, and the outlet of the section of water inlet high-pressure protection is connected with a second elbow; wherein, a section of RO water inlet pressure gauge interface ball valve is arranged on the second elbow; the outlet of the second elbow is connected with the first RO membrane shell through a first water pipe; a second section of RO section-to-section pressure gauge interface ball valve is arranged on the first water pipe;
the second elbow is finally connected with a section of RO concentrated water side cleaning return pipe, a section of RO concentrated water discharge pipe and a section of RO flushing discharge pipe through a first water pipe;
a first union is arranged at the end part of the first RO membrane shell, the outlet of the first union is connected with a second three-way joint, a sampling valve is arranged at one outlet of the second three-way joint, and the other outlet of the second three-way joint is connected with a second water pipe;
the outlet of the second water pipe is connected with a check valve, the check valve is connected with a third three-way joint, and two outlets of the third three-way joint are respectively connected with a second-section RO water production pipe and a second-section RO water production return pipe;
the device comprises a first water inlet safety filter, a second water inlet safety filter, a third three-way joint, a second water inlet low-pressure protection device, a second water inlet conductivity meter and a manual ball valve, wherein the first water inlet safety filter is connected with the first water inlet safety filter through a first elbow; the outlet of the second-stage water inlet high-pressure protection is connected with a second-stage water inlet nanofiltration concentrated water pipe;
and a second-section RO concentrate pressure gauge interface ball valve is arranged at the position before the second-section water inlet high-pressure protection is connected into the second-section water inlet nanofiltration concentrate pipe.
In at least one embodiment, the two-stage water inlet high-pressure protection is also connected with the other end of the first RO membrane shell, and an NF water inlet pressure gauge interface ball valve is arranged at the inlet of the two-stage water inlet high-pressure protection connected with the first RO membrane shell.
In at least one embodiment, the two-stage nanofiltration concentrate pipe is connected to the second RO membrane shell and connected to the NF membrane shell and the nanofiltration concentrate discharge pipe, respectively, after passing through the one-stage RO-end pressure gauge interface ball valve, and the nanofiltration concentrate discharge pipe is connected to the nanofiltration rinse discharge pipe and the nanofiltration concentrate side wash return pipe, respectively.
In at least one embodiment, the second RO membrane housing is connected to the first RO water producing unit and the first RO water producing side wash return by a secondary inlet water conductivity apparatus.
In at least one embodiment, the other end of the NF membrane housing is connected to a nanofiltration water production pipe and a nanofiltration water production side return pipe by an NF water production conductivity meter; and the end part of the NF membrane shell, which is connected with the NF water production conductivity meter, is provided with an interface ball valve of the NF section pressure gauge.
Compared with the prior art, the utility model has the following beneficial effects:
(1) In this application, adopted one section water treatment structure and draw together two section water treatment structures, one section water treatment structure and draw together two section water treatment structures and handle water at different stages respectively, realize thoroughly purifying water. And this application is through integrating one section water treatment structure and draw together two section water treatment structure in an equipment, realizes the joint operation of two water treatment structures to improve the operating efficiency of equipment, owing to adopted integrated equipment, compare and adopt a plurality of equipment independent operation can reduce equipment area simultaneously.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, and are included to illustrate and practice the utility model.
Fig. 1 is a top view of a multi-stage integrated reclaimed water reuse apparatus.
Fig. 2 is a side view of a multi-stage integrated reclaimed water reuse apparatus.
FIG. 3 is a cross-sectional view taken along line A-A of the multi-section integrated water reuse apparatus of FIG. 1.
FIG. 4 is a cross-sectional view taken at section B-B of the multi-section integrated water reuse apparatus of FIG. 1.
FIG. 5 is a cross-sectional view of a middle C-C of the multi-section integrated water reuse apparatus of FIG. 1.
FIG. 6 is a mid-D sectional view of the multi-section integrated water reuse apparatus of FIG. 1.
Reference numerals:
1. a first three-way joint; 2. a first elbow; 3. a first manual ball valve; 4. a first check valve; 5. a first stop valve; 61. a second manual ball valve; 62. a third manual ball valve; 7. a first reducing tee joint; 8. a second elbow; 9. a second reducing tee joint; 10. a third reducing tee joint; 11. a third elbow; 12. a second shut-off valve; 13. a second three-way joint; 141. a first sampling valve; 142. a second sampling valve; 151. a first float flow meter; 152. a second float flow meter; 153. a third float flow meter; 161. a fourth float flow meter; 162. a fifth float flow meter; 17. a ball valve; 181. a first check valve; 182. a second check valve; 183. a third check valve; 191. a first ball valve; 192. a second ball valve; 193. a third ball valve; 201. a third stop valve; 202. a fourth shut-off valve; 211. a first double-acting pneumatic butterfly valve; 212. a second double-acting pneumatic butterfly valve; 22. a first password; 23. a second password; 24. a seal head; 25. a first P-clip; 26. a second P-clip; 271. a first size head; 272. a second size head; 28. a third tee joint; 29. a second elbow; 30. a third manual ball valve; 31. a second check valve; 32. a fourth shut-off valve; 33. a fourth reducing tee; 34. a fourth manual ball valve; 35. a first password.
S1, cleaning a return pipe at the concentrated RO water side; s2, a section of RO concentrated water discharge pipe; s3, flushing a discharge pipe by a section of RO; s4, a two-stage RO water producing pipe; s5, cleaning and refluxing the water producing side of the second-stage RO; s6, nanofiltration of a water production pipe; s7, a nanofiltration water production side return pipe; s8, a second-stage nanofiltration concentrated water pipe is fed; s9, one section enters an RO water producing pipe; s10, cleaning and refluxing a water producing side of the RO; s11, cleaning a return pipe on the nanofiltration concentrated water side; s12, nanofiltration concentrated water discharge pipe; s13, nanofiltration flushing the discharge pipe;
a. a section of water inlet low-pressure protection; b. an ORP on-line monitor for primary water inflow; c. a section of water inlet conductivity meter; d. a section of water inlet high-pressure protection; e. a section of produced water conductivity meter; f. the second stage of water inlet low pressure protection; g. the second stage water inlet high pressure protection; h. a second-stage water inlet conductivity meter; nf produced water conductivity meter; j. a section of RO water inlet pressure gauge interface ball valve; k. a section of RO end-to-end pressure gauge interface ball valve; i, a section of RO concentrated water pressure gauge interface ball valve; m, two-section RO water inlet pressure gauge interface ball valve; n, two sections of pressure gauge interface ball valves between RO sections; o, two-section RO concentrated water pressure gauge interface ball valve; p.NF water inlet pressure gauge interface ball valve; q.NF intersegment pressure gauge interface ball valve; an interface ball valve of the NF concentrate pressure gauge;
A. a section of high pressure pump; B. a section of water inlet security filter; C. a two-stage high pressure pump; D. a two-stage water inlet security filter; E. a first RO membrane shell; f, NF membrane shell; G. an automatic control cabinet; H. and a second RO membrane shell.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.
The embodiment provides a multi-section integrated reclaimed water recycling device, referring to fig. 1 to 6, comprising a first-section water treatment structure and a second-section water treatment structure. The first section water treatment structure comprises a first three-way joint 1, the first three-way joint 1 is connected with the inlet of a section water inlet security filter B through a first elbow 2, and the outlet of the section water inlet security filter B is connected with the inlet of a first manual ball valve 3. Wherein, a section of water inlet low-pressure protection a, a section of water inlet ORP on-line monitor b and a section of water inlet conductivity meter c are sequentially arranged between the section of water inlet security filter and the manual ball valve.
The outlet of the first manual ball valve 3 is connected with the inlet of a section of high-pressure pump A, the outlet of the section of high-pressure pump A is connected with the inlet of a first stop valve 5 through a first check valve 4, the outlet of the first stop valve 5 is connected with a first port of a first reducing three-way joint 7, and a second port of the first reducing three-way joint 7 is connected with a second manual ball valve 61. Wherein the second manual ball valve 61 is an inlet of the washing water of the one-stage water treatment structure.
The third port of the first reducing three-way joint 7 is connected with the inlet of a section of water inlet high-pressure protection d, and the outlet of the section of water inlet high-pressure protection d is connected with the second elbow 8. And a section of RO water inlet pressure gauge interface ball valve j is arranged on the second elbow 8. The outlet of the second elbow 8 is connected with the first RO membrane shell through a first water pipe. And the first water pipe is provided with a two-section RO inter-section pressure gauge interface ball valve n.
The second elbow 8 is respectively connected with a first-stage RO concentrated water side cleaning return pipe S1, a first-stage RO concentrated water discharge pipe S2 and a first-stage RO flushing discharge pipe S3 through a second reducing three-way joint 9 and a third reducing three-way joint 10. Wherein a third shut-off valve 201 and a fourth float flowmeter 161 are sequentially installed on the first RO concentrate discharge pipe.
Wherein a first double acting pneumatic butterfly valve 211 and a first size head 271 are mounted on the length of RO flushing drain.
And the water pipe used for communicating the one-section RO concentrated water discharge pipe with the one-section RO flushing discharge pipe is provided with one-section RO concentrated water pressure gauge interface ball valve l.
Referring to fig. 1, a first union 22 is installed at an end of the first RO membrane shell, an outlet of the first union 22 is connected to a second three-way joint 13, a first sampling valve 141 is installed at one outlet of the second three-way joint 13, and the other outlet of the second three-way joint 13 is connected to a second water pipe. A plurality of second water pipes connect a plurality of the second three-way joints 13. Wherein a third elbow 11 is installed at the end of the second water pipe at the extreme end, which is far away from the second three-way joint 13, and is connected to the first RO membrane shell through the third elbow 11, or is connected to the first check valve 181 through the transversely placed water pipe at the transversely placed water pipe.
The second water pipe is connected to the first check valve 181 through the third elbow 11, the first check valve 181 is connected to the third three-way joint, and two outlets of the third three-way joint are respectively connected to the second-section RO water producing pipe S4 and the second-section RO water producing side cleaning reflux S5.
Wherein, from the first check valve 181 to the outlet of the two-stage RO water producing pipe S4, a first ball valve 191 and a first float flowmeter 151 are sequentially installed on the two-stage RO water producing pipe S4.
The second-section RO water production pipe is connected to one end of the first RO membrane shell E, and a first-section water production conductivity meter E is installed between the end of the first RO membrane shell E and the second-section RO water production pipe.
The second-stage water treatment structure comprises a third three-way joint 28, wherein the third three-way joint 28 is connected with a second-stage water inlet security filter D through a second elbow 29, a pressure gauge, a second-stage water inlet low-pressure protection f, a second-stage water inlet conductivity meter h and a third manual ball valve 30 are sequentially arranged at the outlet end of the second-stage water inlet security filter D, the outlet of the third manual ball valve 30 is connected with a second-stage high-pressure pump C, the outlet of the second-stage high-pressure pump C is connected with the inlet of a second check valve 31, the outlet of the second check valve 31 is connected with the inlet of a fourth stop valve 32, the outlet of the fourth stop valve 32 is connected with the first port of a fourth reducing tee 33, the second port of the fourth reducing tee 33 is connected with a fourth manual ball valve 34, and the third port of the fourth reducing tee 33 is connected with a second-stage water inlet high-pressure protection g; the outlet of the second-stage water inlet high-pressure protection g is connected with a second-stage water inlet nanofiltration concentrated water pipe; and a second-stage RO concentrated water pressure meter is arranged at the position before the second-stage water inlet high-pressure protection g is connected with the second-stage water inlet nanofiltration concentrated water pipe, and is connected with a second-stage RO concentrated water pressure meter interface ball valve O. Wherein, a second stop valve 12 is arranged on the two-section nanofiltration concentrated water pipe.
Wherein, a pipe with an outlet end of the fourth reducing tee 33 connected to the two-section nanofiltration concentrated water pipe is provided with a two-section RO water inlet pressure gauge interface ball valve m.
An outlet on the two-section nanofiltration concentrated water pipe is connected to a fourth three-way joint through a pipe, one outlet end of the fourth three-way joint is connected to one end of the second RO membrane shell H, and the other outlet end of the fourth three-way joint is respectively connected to the NF membrane shell F and the nanofiltration concentrated water discharge pipe through a fifth three-way joint. Also comprises an automatic control cabinet G.
The second-stage water inlet high-pressure protection g is also connected with the other end of the first RO membrane shell, and an NF water inlet pressure gauge interface ball valve p is arranged at the inlet where the second-stage water inlet high-pressure protection g is connected with the first RO membrane shell.
Wherein, the end parts of the water inlet pipe or the water outlet pipe connected with the first RO membrane shell E, NF membrane shell F and the second RO membrane shell H are sealed by the sealing head 24. A second password 23 is installed at one outlet end of the first RO membrane shell E.
The second section advances nanofiltration dense water pipe S8 and is connected to the second RO membrane shell and connects respectively NF membrane shell and nanofiltration dense water discharge pipe after passing through one section RO end manometer interface ball valve k, nanofiltration dense water discharge pipe is connected to nanofiltration washing discharge pipe S13 and nanofiltration dense water side washing back flow respectively.
An NF concentrated water pressure gauge interface ball valve r is arranged between the nanofiltration concentrated water discharge pipe S12 and the nanofiltration concentrated water side cleaning return pipe S11.
The two-stage nanofiltration concentrate pipe is fixed by a first P-type clamp 25. The nanofiltration concentrated water discharge pipe, the nanofiltration flushing discharge pipe and the nanofiltration concentrated water side cleaning return pipe are communicated through a second reducing three-way joint 9. The nanofiltration concentrate discharge pipe is secured by a second P-clip 26. A second double acting pneumatic butterfly valve 212 and a second head size 272 are mounted on the nanofiltration concentrate discharge pipe.
A fourth shut-off valve 202 and a third float flowmeter 153 are mounted on the nanofiltration concentrate discharge pipe. A third manual ball valve 62 is mounted on the nanofiltration concentrate side wash return pipe.
The second RO membrane shell is connected to a first RO water producing tube and a first RO water producing side cleaning return tube S10 through a first routing pair 35 and a second inlet water conductivity meter h. A section of RO water producing pipe S9 and a section of RO water producing side purge reflux pipe S10 are connected to the third check valve 183 through a three-way joint.
Wherein, a fifth float flowmeter 162, a second sampling valve 142 and a ball valve 17 are arranged on the section of RO water producing tube. A third ball valve 193 is installed on the one-stage RO water producing side cleaning return pipe.
The other end of the NF membrane shell is connected to a nanofiltration water production pipe S6 and a nanofiltration water production side return pipe S7 through an NF water production conductivity meter i. And an end part of the NF membrane shell, which is connected with the NF water production conductivity instrument i, is provided with an NF inter-section pressure gauge interface ball valve q.
Wherein the nanofiltration product water pipe and the nanofiltration product water side return pipe are connected to the second check valve 182 by a three-way joint. Wherein a second float flow meter 152 is mounted on the nanofiltration production water pipe. A second ball valve 192 is mounted on both the nanofiltration water production pipe and the nanofiltration water production side return pipe.
The method can solve the following problems: the equipment has the advantages of high integration level, more than 30% reduction of occupied area compared with common reclaimed water recycling equipment, and high reclaimed water recycling rate. The equipment fully considers the maximum circulation flux, the circulation flux is large, the cross-flow filtration principle is fully utilized, and the equipment is not easy to be blocked; the equipment is easy to operate and attractive. The operation cost is low, and the design is customized.
The multistage integrated reclaimed water recycling equipment is mainly applied to reclaimed water recycling projects, is mainly applied to the fields of printing and dyeing wastewater, electroplating wastewater, fine chemical wastewater, power plant boiler water, pharmaceutical wastewater and the like, and can be designed according to the treatment capacity of 1m 3/h-200 m 3/h; the operation flow of the equipment mainly comprises that reclaimed water is advanced by one section of RO, the first section of RO concentrated water enters a first section of RO concentrated water tank and then enters a second section of RO, and the second section of RO concentrated water directly enters an NF membrane for recovery.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature supporting blocks, rivets, welding and the like in the prior art, the machinery, the parts and the equipment adopt conventional types in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the technical field which is not known in the prior art is adopted. It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (5)
1. The multi-section integrated reclaimed water recycling device is characterized by comprising a section of water treatment structure; the first section of water treatment structure comprises a first three-way joint, the first three-way joint is connected with the inlet of a section of water inlet security filter through a first elbow, and the outlet of the section of water inlet security filter is connected with the inlet of a manual ball valve; wherein, a section of water inlet low-pressure protection, a section of water inlet ORP on-line monitor and a section of water inlet conductivity meter are sequentially arranged between the section of water inlet security filter and the manual ball valve;
the outlet of the manual ball valve is connected with the inlet of a section of high-pressure pump, the outlet of the section of high-pressure pump is connected with the inlet of a stop valve, the outlet of the stop valve is connected with a first port of a first reducing three-way joint, and a second port of the first reducing three-way joint is connected with the manual ball valve; wherein the manual ball valve is an inlet for the wash water of the one-stage water treatment structure;
the third port of the first reducing tee joint is connected with a section of inlet of water inlet high-pressure protection, and the outlet of the section of water inlet high-pressure protection is connected with a second elbow; wherein, a section of RO water inlet pressure gauge interface ball valve is arranged on the second elbow; the outlet of the second elbow is connected with a first RO membrane shell E through a first water pipe, and a second section of RO inter-section pressure gauge interface ball valve is arranged on the first water pipe;
the second elbow is finally connected with a section of RO concentrated water side cleaning return pipe, a section of RO concentrated water discharge pipe and a section of RO flushing discharge pipe through a first water pipe; a first union is arranged at the end part of the first RO membrane shell, the outlet of the first union is connected with a second three-way joint, a sampling valve is arranged at one outlet of the second three-way joint, and the other outlet of the second three-way joint is connected with a second water pipe; the outlet of the second water pipe is connected with a check valve, the check valve is connected with a third three-way joint, and two outlets of the third three-way joint are respectively connected with a second-section RO water production pipe and a second-section RO water production return pipe;
the device comprises a first water inlet safety filter, a second water inlet safety filter, a third three-way joint, a second water inlet low-pressure protection device, a second water inlet conductivity meter and a manual ball valve, wherein the first water inlet safety filter is connected with the first water inlet safety filter through a first elbow; the outlet of the second-stage water inlet high-pressure protection is connected with a second-stage water inlet nanofiltration concentrated water pipe; and a second-section RO concentrate pressure gauge interface ball valve is arranged at the position before the second-section water inlet high-pressure protection is connected into the second-section water inlet nanofiltration concentrate pipe.
2. The multi-section integrated reclaimed water recycling device according to claim 1, wherein the two-section water inlet high-pressure protection is further connected with the other end of the first RO membrane shell, and an NF water inlet pressure gauge interface ball valve is arranged at the inlet of the two-section water inlet high-pressure protection connected with the first RO membrane shell.
3. The multi-stage integrated reclaimed water recycling apparatus according to claim 2, wherein the two-stage nanofiltration concentrate pipe is connected to the second RO membrane shell and connected to the NF membrane shell and the nanofiltration concentrate discharge pipe respectively after passing through the one-stage RO-end-to-RO-end pressure gauge interface ball valve, and the nanofiltration concentrate discharge pipe is connected to the nanofiltration rinse discharge pipe and the nanofiltration concentrate side wash return pipe respectively.
4. A multi-stage integrated reclaimed water recycling apparatus as claimed in claim 3 wherein the second RO membrane shell is connected to the primary RO water production pipe and the primary RO water production side cleaning return pipe by a secondary and primary influent water conductivity meter.
5. The multi-segment integrated reclaimed water recycling apparatus according to claim 4, wherein the other end of the NF membrane housing is connected to a nanofiltration water production pipe and a nanofiltration water production side return pipe through an NF water production resistivity meter; and the end part of the NF membrane shell, which is connected with the NF water production conductivity meter, is provided with an interface ball valve of the NF section pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321192287.3U CN220723713U (en) | 2023-05-17 | 2023-05-17 | Multistage integrated reclaimed water recycling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321192287.3U CN220723713U (en) | 2023-05-17 | 2023-05-17 | Multistage integrated reclaimed water recycling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220723713U true CN220723713U (en) | 2024-04-05 |
Family
ID=90489277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321192287.3U Active CN220723713U (en) | 2023-05-17 | 2023-05-17 | Multistage integrated reclaimed water recycling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220723713U (en) |
-
2023
- 2023-05-17 CN CN202321192287.3U patent/CN220723713U/en active Active
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