CN219239329U

CN219239329U - Novel two-section disc-tube type reverse osmosis treatment device

Info

Publication number: CN219239329U
Application number: CN202223195872.7U
Authority: CN
Inventors: 徐斌; 王元森; 张丹丹
Original assignee: BEIJING INNOGREEN TECHNOLOGY CO LTD
Current assignee: BEIJING INNOGREEN TECHNOLOGY CO LTD
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-23
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a novel two-section disc-tube type reverse osmosis treatment device which comprises a first section of DTRO membrane system and a second section of DTRO membrane system communicated with the first section of DTRO membrane system, wherein a water inlet of the first section of DTRO membrane system is connected with a circulating booster pump, a concentrated water outlet of the first section of DTRO membrane system is connected with a water inlet of the second section of DTRO membrane system through a first concentrated water production pipeline, a second concentrated water production pipeline is connected at the concentrated water outlet of the second section of DTRO membrane system, the second concentrated water production pipeline is respectively communicated with the circulating booster pump and the concentrated water tank, a concentrated water return pipeline is connected between the second concentrated water production pipeline and the water inlet of the circulating booster pump, and a total concentrated water pipeline is communicated between the second concentrated water production pipeline and the concentrated water tank. This novel two sections dish tubular reverse osmosis treatment device is through setting up a circulation booster pump, becomes two sets of independent dense water circulation pipelines of traditional two sections DTRO membrane system into one set of total dense water circulation pipeline, has thoroughly solved traditional two sections DTRO membrane system water distribution inequality, the shortcoming that the difference of exerting oneself is big.

Description

Novel two-section disc-tube type reverse osmosis treatment device

Technical Field

The utility model relates to the technical field of water treatment, in particular to a novel two-section disc-tube type reverse osmosis treatment device.

Background

The dish tubular membrane technology, namely the DTRO membrane technology, is an open flow channel design membrane component for oral species, and has the excellent performance of high membrane surface pollution resistance and high scale resistance under high pressure. The arrangement of the pipeline between the membrane stacks of the traditional two-section disc-tube reverse osmosis device directly influences the treatment effect of each section of membrane assembly, and the configuration of a water pump and an instrument on a high-pressure pipeline in the device has larger influence on the manufacturing cost of the system. The phenomenon of uneven water distribution and different output between two sections of membrane stacks often occurs in the two sections of disc-tube type reverse osmosis devices, namely, the phenomenon that the water yield of a second section of membrane stack system is far lower than that of the first section.

Disclosure of Invention

The utility model aims to provide a novel two-section disc-tube type reverse osmosis treatment device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel two sections dish tubular reverse osmosis treatment device, includes one section DTRO membrane system to and with the two sections DTRO membrane system of one section DTRO membrane system intercommunication, the water inlet of one section DTRO membrane system is connected with circulating booster pump, be connected through producing dense water pipeline one between the dense water export of one section DTRO membrane system and the water inlet of two sections DTRO membrane system, the dense water exit of this two sections DTRO membrane system is connected with and produces dense water pipeline two, produce dense water pipeline two respectively with circulating booster pump, dense water tank intercommunication, produce dense water pipeline two and be connected with dense water return line between the water inlet of circulating booster pump, and produce dense water pipeline two and the intercommunication between the dense water tank have total dense water pipeline, the delivery port of one section DTRO membrane system and the delivery port intercommunication of two sections DTRO membrane system access total production pipeline.

Further, a high-pressure electric valve and a servo regulating valve are arranged on the total concentrate pipeline, and the high-pressure electric valve and the servo regulating valve are arranged in parallel.

Further, a high-pressure pump is communicated with the water inlet of the circulating booster pump, the circulating booster pump is communicated with the high-pressure pump through a high-pressure pump water production pipeline and a circulating booster pump water inlet pipeline, and the other end of the high-pressure pump is communicated with a high-pressure pump water inlet pipeline.

Further, the total water production pipeline and the high-pressure pump water inlet pipeline are provided with flow meters.

Further, a water outlet of the first section of DTRO membrane system is connected with a first water production pipeline, a water outlet of the second section of DTRO membrane system is connected with a second water production pipeline, and the first water production pipeline is communicated with the second water production pipeline and then connected into the total water production pipeline.

According to the technical scheme, the utility model has the following beneficial effects:

through setting up a circulation booster pump, become two sets of independent dense water circulation pipelines of traditional two sections DTRO membrane system into one set of total dense water circulation pipeline, thoroughly solved traditional two sections DTRO membrane system uneven distribution, the shortcoming that the difference is big of exerting oneself to through a circulation booster pump, saved the cost greatly, the direct regulation membrane system rate of recovery of servo governing valve, the regulation and control effect to the system is strengthened greatly.

Drawings

FIG. 1 is a schematic diagram of a system architecture of the present utility model; .

In the figure: the system comprises a first section of DTRO membrane system 1, a second section of DTRO membrane system 2, a circulating booster pump 3, a first concentrated water production pipeline 4, a concentrated water return pipeline 5, a second concentrated water production pipeline 6, a total concentrated water production pipeline 7, a total concentrated water production pipeline 8, a high-pressure electric valve 9, a servo regulating valve 10, a high-pressure pump 11, a high-pressure pump water production pipeline 12, a circulating booster pump water inlet pipeline 13, a high-pressure pump water inlet pipeline 14, a flowmeter 15, a first concentrated water production pipeline 16, a second concentrated water production pipeline 17 and a circulating booster pump water production pipeline 18.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the utility model provides a novel two-stage disc-tube reverse osmosis treatment device, which comprises a first-stage DTRO membrane system 1, a second-stage DTRO membrane system 2, a circulating booster pump 3, a first concentrate producing water pipeline 4, a concentrate return pipeline 5, a second concentrate producing water pipeline 6, a total concentrate pipeline 7, a total concentrate pipeline 8, a high-pressure electric valve 9, a servo regulating valve 10, a high-pressure pump 11, a high-pressure pump water producing pipeline 12, a circulating booster pump water inlet pipeline 13, a high-pressure pump water inlet pipeline 14, a flowmeter 15, a first water producing pipeline 16 and a second water producing pipeline 17, wherein a water outlet of the high-pressure pump 11 is sequentially communicated with a water inlet of the high-pressure pump 12 and the circulating booster pump 3 through the first concentrate pipeline 18, a concentrate outlet of the first-stage DTRO membrane system 1 is communicated with a water inlet of the second-stage DTRO membrane system 2 through the first concentrate pipeline 4, a water outlet of the first-stage DTRO membrane system 1 is connected with the second water inlet pipeline 16, and a water outlet of the first-stage DTRO membrane system 17 is connected with the second water inlet pipeline 17.

The concentrated water outlet of the second-stage DTRO membrane system 2 is connected with a second concentrated water producing pipeline 6, the second concentrated water producing pipeline 6 is respectively communicated with the circulating booster pump 3 and a concentrated water tank (not shown in the figure), a concentrated water return pipeline 5 is connected between the second concentrated water producing pipeline 6 and a water inlet of the circulating booster pump 3, the concentrated water return pipeline 5 is communicated with a circulating booster pump water inlet pipeline 13, and a total concentrated water pipeline 7 is communicated between the second concentrated water producing pipeline 6 and the concentrated water tank.

The total concentrated water pipeline 7 is provided with a high-pressure electric valve 9 and a servo regulating valve 10, and the high-pressure electric valve 9 and the servo regulating valve 10 are arranged in parallel. An on-line flowmeter 15 is arranged on the total water production pipeline 8 and the high-pressure pump water inlet pipeline 14. A servo regulating valve and an electric ball valve are arranged in parallel on a total concentrated water pipeline and directly act with a one-section DTRO membrane system/a two-section DTRO membrane system, and the recovery rate of the DTRO membrane system can be regulated and controlled by regulating the opening of the servo regulating valve during operation. And an online flowmeter is arranged on the high-pressure pump water inlet pipeline and the total water production pipeline to monitor the water inlet quantity and the water production quantity so as to monitor the recovery rate in real time.

Working principle: the system water enters a high-pressure pump water inlet pipeline 14, is pressurized by a high-pressure pump 11, enters a circulating booster pump water inlet pipeline 13 through a high-pressure pump water production pipeline 12, enters a first-stage DTRO membrane system 1 after being pressurized by a circulating booster pump 3, the concentrated water in the first-stage DTRO membrane system 1 enters a second-stage DTRO membrane system 2, part of the concentrated water in the second-stage DTRO membrane system 2 returns to the circulating booster pump water inlet pipeline 13 through a concentrated water return pipeline 5, and part of the concentrated water enters a concentrated water tank outside the total concentrated water pipeline 7 and is discharged to the outside. The water produced by the first section of DTRO membrane system 1 and the water produced by the second section of DTRO membrane system 2 are converged to a total water production pipeline 8 and discharged to an external water production tank, when the system starts to operate, a high-pressure electric valve 9 is closed, a servo regulating valve 10 is opened, a high-pressure pump 11 is firstly opened, then a supercharging circulating booster pump 3 is opened, the total water production pipeline flow is regulated by regulating the opening of the servo regulating valve 10, and after the design recovery rate is reached, the system operates stably. Through setting up a circulation booster pump, the dense water circulation of a section DTRO membrane system and two sections DTRO membrane system is the serial operation simultaneously, has guaranteed under the unchangeable prerequisite of circulating water volume, has replenished two sections DTRO membrane system pressure loss simultaneously through a circulation booster pump. The two independent concentrated water circulating pipelines of the traditional two-section DTRO membrane system are changed into a set of total concentrated water circulating pipeline, the defects of uneven water distribution and large output difference of the traditional two-section DTRO membrane system are thoroughly solved, the recovery rate of the membrane system is directly regulated by the servo regulating valve, and the regulation and control effect on the system is greatly enhanced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel two sections dish tubular reverse osmosis treatment device, includes one section DTRO membrane system (1) to and with two sections DTRO membrane system (2) of one section DTRO membrane system intercommunication, a serial communication port, the water inlet of one section DTRO membrane system (1) is connected with circulating booster pump (3), be connected through producing dense water pipeline one (4) between the dense water export of one section DTRO membrane system (1) and the water inlet of two sections DTRO membrane system (2), the dense water exit of this two sections DTRO membrane system (2) is connected with and produces dense water pipeline two (6), produce dense water pipeline two (6) respectively with circulating booster pump (3), concentrate water tank intercommunication, be connected with dense water reflux pipeline (5) between the water inlet of producing dense water pipeline two (6) and circulating booster pump (3), and produce and be connected with total dense water pipeline (7) between dense water tank, the delivery port of one section DTRO membrane system (1) and the delivery port of two sections DTRO membrane system (2) are connected with total water pipeline (8) after producing the intercommunication.

2. The novel two-section disc tube type reverse osmosis treatment device according to claim 1, wherein: the high-pressure electric valve (9) and the servo regulating valve (10) are arranged on the total concentrated water pipeline (7), and the high-pressure electric valve (9) and the servo regulating valve (10) are arranged in parallel.

3. The novel two-section disc tube type reverse osmosis treatment device according to claim 1, wherein: the water inlet of the circulating booster pump (3) is communicated with the high-pressure pump (11), the circulating booster pump (3) is communicated with the high-pressure pump (11) through a high-pressure pump water production pipeline (12) and a circulating booster pump water inlet pipeline (13), and the other end of the high-pressure pump (11) is communicated with a high-pressure pump water inlet pipeline (14).

4. The novel two-section disc tube type reverse osmosis treatment device according to claim 1, wherein: and the total water production pipeline (8) and the high-pressure pump water inlet pipeline (14) are provided with flow meters (15).

5. The novel two-section disc tube type reverse osmosis treatment device according to claim 2, wherein: the water outlet of the first section of DTRO membrane system (1) is connected with a first water production pipeline (16), the water outlet of the second section of DTRO membrane system (2) is connected with a second water production pipeline (17), and the first water production pipeline (16) is communicated with the second water production pipeline (17) and then connected into the total water production pipeline (8).