CN217351000U

CN217351000U - Small-size integration membrane treatment facility

Info

Publication number: CN217351000U
Application number: CN202220986165.0U
Authority: CN
Inventors: 袁鹏洲; 张兴; 唐渭; 赵峥; 李廷山; 王志科
Original assignee: Chengdu Branch Of China Railway Science Research Institute Co ltd
Current assignee: Chengdu Branch Of China Railway Science Research Institute Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-09-02
Anticipated expiration: 2032-04-24

Abstract

The utility model provides a small-sized integrated membrane treatment device, which comprises a frame, wherein the inside of the frame is divided into a pipeline installation area and a box installation area, a raw water tank, a concentrated water tank and a fresh water tank are fixed in the box installation area, and the concentrated water tank is positioned between the raw water tank and the fresh water tank; the pipeline installation area is internally fixed with a filter, a self-priming pump, a backwashing pump and a membrane module, the raw water tank is communicated with the water inlet end of the membrane module sequentially through the self-priming pump and the filter, and the water outlet end of the membrane module is communicated with the concentrated water tank and the fresh water tank respectively. The equipment is small in size, high in integration degree, capable of being placed indoors, high in sewage treatment efficiency and high in practicability.

Description

Small-size integration membrane treatment facility

Technical Field

The utility model relates to a water treatment technical field, concretely relates to small-size integrated membrane treatment facility.

Background

The secondary effluent condition of sewage treatment is taken as a standard, and although the effluent quality meets the specified requirements, organic matters which are difficult to remove are easy to form because the effluent is treated by an activated sludge method, the dechlorination and dephosphorization effects are not ideal, and the specific operation is not perfect. The sewage recycling treatment firstly adopts a proper advanced treatment form for some pollutants which are not easy to degrade and substances which are difficult to completely remove by the bacteriological standard during the secondary treatment so as to meet the water quality regulation in the related field. When the second grade goes out water and handles the organic matter, generally can use the mode that biological activity carbon adsorbs, need not to drop into more cost, and it is not enough to produce the saturation very probably after adsorbing, later again through repeated absorption-desorption, can reduce the live time of active carbon by a wide margin, promotes the change rate, can drop into a large amount of expenditures at this in-process, so do not have the universal application in sewage retrieval and utilization work. And after the ultrafiltration technology in the membrane separation technology is used for treating water with various purposes, the effluent quality is excellent, germs can be comprehensively cleaned, the process is small in occupied area and convenient to manage, and more importantly, automatic management and control can be performed. Furthermore, the range of uses of the water can be expanded after the treatment is completed.

The main function of the ultrafiltration technology is to intercept the soluble macromolecular solute in the solution, and to fully utilize the micromolecular solute to intercept some soluble organic matters. During the advanced sewage treatment, the ultrafiltration membrane technology is adopted, so that bacteria in secondary effluent can be cleaned, the effluent turbidity is reduced, organic matters can be intercepted, and ideal effluent quality is guaranteed. Common ultrafiltration membranes on the market mainly comprise tubular ultrafiltration membranes, plate-frame ultrafiltration membranes, roll-type ultrafiltration membranes and hollow fiber ultrafiltration membranes, particularly hollow fiber ultrafiltration membrane components are widely applied, and traditional ultrafiltration membrane components are large in specification and size, are mostly applied to engineering and cannot be used in laboratories.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model discloses utilize high flux, anti-soil stifled, corrosion-resistant small-size milipore filter subassembly, designed a small-size integrated membrane treatment facility, can be applied to the research of sewage advanced treatment, the practicality is strong.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a small-sized integrated membrane treatment device comprises a rack, wherein the inside of the rack is divided into a pipeline installation area and a box body installation area, a raw water tank, a concentrated water tank and a fresh water tank are fixed in the box body installation area, and the concentrated water tank is positioned between the raw water tank and the fresh water tank; the pipeline installation area is internally fixed with a filter, a self-priming pump and a membrane component, the raw water tank is communicated with the water inlet end of the membrane component through the self-priming pump and the filter in sequence, and the water outlet end of the membrane component is communicated with the concentrated water tank and the fresh water tank respectively.

The water inlet end of the membrane component is provided with a first water inlet and a second water inlet, and the water outlet end of the membrane component is provided with a first water outlet and a second water outlet; when raw water enters the first water inlet, the first water outlet discharges thick water, and the second water outlet discharges fresh water; when raw water enters the second water inlet, fresh water is discharged from the first water outlet, and concentrated water is discharged from the second water outlet.

And a backwashing pump is also arranged in the pipeline installation area, when the membrane module is used, fresh water in the fresh water tank is pumped into the second water outlet of the membrane module by the backwashing pump for backwashing, and washing water flows out from the first water inlet and the second water inlet of the membrane module and then flows into the original water tank.

The raw water tank, the concentrated water tank and the fresh water tank are made of one of stainless steel, carbon steel or organic glass, and the raw water tank, the concentrated water tank and the fresh water tank are all provided with liquid level meters. The fresh water tank is also internally provided with a sterilizing pipe, and the sterilizing pipe is internally provided with chlorine tablets with the effective chlorine content of more than or equal to 90 percent and the specification of 8-30 meshes.

A control cabinet and an instrument panel are fixed on the outer side of the rack, and the control cabinet is positioned in the left front of the pipeline installation area; the instrument panel is located the right front in pipeline installation district, and is equipped with raw water flowmeter, raw water manometer, fresh water flowmeter and fresh water manometer on the instrument panel, raw water flowmeter and raw water manometer are connected on the raw water outlet pipeline between self priming pump and filter, and fresh water manometer and fresh water flowmeter connect on the fresh water inlet pipe way between membrane module and the fresh water tank.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the sewage treatment efficiency of the equipment is high, bacteria in sewage secondary treatment effluent can be cleaned by adopting a small ultrafiltration membrane component which is high in flux, resistant to dirt and blockage and resistant to corrosion, effluent turbidity is reduced, organic matters can be intercepted, and ideal effluent quality is guaranteed.

2. Equipment is small, integrates the degree height, can arrange indoor sewage advanced treatment research in, and the practicality is strong.

Drawings

FIG. 1 is a plan view of the structure of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is a cross-sectional view of the structure I-I of the present invention;

fig. 4 is a right side view of the structure of the present invention.

In the figure: 1-raw water tank, 101-raw water inlet, 102-raw water discharge hole, 103-raw water outlet, 2-concentrated water tank, 201-concentrated water inlet, 202-concentrated water discharge hole, 3-fresh water tank, 301-fresh water inlet, 302-fresh water discharge hole, 4-pipeline installation area, 5-rack, 6-control cabinet, 7-touch screen, 8-control cabinet switch, 9-raw water flowmeter, 10-raw water pressure gauge, 11-fresh water pressure gauge, 12-instrument panel, 13-fresh water flowmeter, 14-filter, 141-filter inlet, 142-filter outlet, 15-backwash pump, 16-self-priming pump, 17-membrane module, 171-first water inlet, 172-second water inlet, 173-first water outlet, 17-membrane module, 174-second water outlet, 18-membrane component pipe clamp and 19-sterilization pipe.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, 2 and 4, a small-sized integrated membrane treatment device comprises a frame 5, wherein the inside of the frame 5 is divided into a pipeline installation area 4 and a box installation area, and a raw water tank 1, a concentrated water tank 2 and a fresh water tank 3 are arranged in the box installation area; the pipeline installation area 4 is internally provided with a filter 14, a self-priming pump 16 and a membrane component 17, the raw water tank 1 is communicated with the water inlet end of the membrane component 17 sequentially through the self-priming pump 16 and the filter 14, and the water outlet end of the membrane component 17 is communicated with the concentrated water tank 2 and the fresh water tank 3 respectively.

As shown in fig. 3, the raw water tank 1 is located at the left rear of the pipeline installation area 4, and has a raw water inlet 101 at the upper part and a raw water discharge hole 102 and a raw water outlet 103 at the lower part; the fresh water tank 3 is positioned at the right rear part of the pipeline installation area 4, the upper part of the fresh water tank is provided with a fresh water inlet 301, and the lower part of the fresh water tank is provided with a fresh water discharge hole 302; the concentrated water tank 2 is positioned between the raw water tank 1 and the fresh water tank 3, the upper part of the concentrated water tank is provided with a concentrated water inlet 201, and the lower part of the concentrated water tank is provided with a concentrated water discharge hole 202; the water inlet end of the membrane module 17 is provided with a first water inlet 171 and a second water inlet 172, and the water outlet end of the membrane module 17 is provided with a first water outlet 173 and a second water outlet 174; when raw water enters the first water inlet 171, the first water outlet 173 outputs thick water, and the second water outlet 174 outputs fresh water; when raw water enters the second water inlet 172, fresh water is discharged from the first water outlet 173, and concentrated water is discharged from the second water outlet 174.

The pipeline installation area 4 is also internally provided with a backwashing pump 15, when in use, the membrane module 17 is backwashed in an internal pressure mode, fresh water in the fresh water tank 3 is pumped into the second water outlet 174 of the membrane module 17 through the fresh water discharge hole 302 by the backwashing pump 15 for backwashing, and the washing water flows out from the first water inlet 171 and the second water inlet 172 of the membrane module 17 and then flows into the raw water tank 1 from the raw water inlet 101.

The raw water tank 1, the concentrated water tank 2 and the fresh water tank 3 are made of one of stainless steel, carbon steel or organic glass, and liquid level meters are arranged in the raw water tank 1, the concentrated water tank 2 and the fresh water tank 3, so that water inlet and outlet control can be realized by automatic induction; the fresh water tank 3 is also internally provided with a sterilizing pipe 19, and a chlorine tablet with the effective chlorine content of more than or equal to 90 percent and the specification of 8-30 meshes is arranged in the sterilizing pipe 19, so that the sterilizing speed is high, the effect is good, and the sterilizing device is small and exquisite and convenient.

The frame 5 is made of one of stainless steel or carbon steel, a control cabinet 6 and an instrument panel 12 are fixed on the outer side of the frame, the control cabinet 6 is positioned at the left front part of the pipeline installation area 4, and the instrument panel 12 is positioned at the right front part of the pipeline installation area 4.

The control cabinet 6 is made of stainless steel or carbon steel, a touch screen 7 and a control cabinet switch 8 are arranged on the control cabinet, when the control cabinet is used, the touch screen 7 is in signal connection with the raw water tank 1, the concentrated water tank 2, the fresh water tank 3, the backwashing pump 15 and the self-sucking pump 16 respectively, and all links of operation of equipment can be displayed and operated through programming, so that full-automatic PLC control is realized. A control cabinet switch 8 is further installed on the cabinet door of the control cabinet 6 and used for opening or closing the cabinet door of the control cabinet 6, so that electronic components in the control cabinet 6 are protected.

The instrument panel 12 is made of one of stainless steel or carbon steel, and is provided with a raw water flow meter 9, a raw water pressure gauge 10, a fresh water pressure gauge 11 and a fresh water flow meter 13; the raw water flow meter 9 and the raw water pressure gauge 10 are respectively connected to a raw water outlet pipeline between the self-priming pump 16 and the filter 14, and the fresh water pressure gauge 11 and the fresh water flow meter 13 are respectively connected to a fresh water inlet pipeline between the membrane component 17 and the fresh water tank 3. The pressure gauges are all made of 0-60 KPa corrosion-resistant high-temperature-resistant stainless steel pressure gauges, and the flow meter is made of 100-500 mL/min organic glass panel type flow meters.

The filter 14 is a microporous membrane filter with the filtering precision of 5 mu m and the material of the filter element is polytetrafluoroethylene, polyfone or polypropylene membrane; the backwashing pump 15 and the self-sucking pump 16 are made of FRPP materials, and the pressure is 0.24-0.9 MPa; the membrane assembly 17 is a tubular membrane assembly, a hollow fiber ultrafiltration membrane with the aperture of 0.03 mu m and made of polyvinylidene fluoride is arranged in the membrane assembly, the removal efficiency is high, the service life is long, and the membrane assembly can effectively remove particles, colloid, bacteria, viruses, heat sources, proteins, high molecular organic matters, partial suspended matters, colloid, organic matters and other impurities in water.

The utility model discloses a small-size integration membrane treatment facility's working process as follows:

the first method is as follows: water to be treated enters the raw water tank 1 through the raw water inlet 101, the water to be treated in the raw water tank 1 enters the self-priming pump 16 through the raw water outlet 103, then enters the filter 14 through the raw water flowmeter 9 and the raw water pressure gauge 10 on the instrument panel 12 and is filtered, the filtered water flows into the first water inlet 171 of the membrane component 17 fixed through the membrane component pipe clamp 18 through the filter outlet 142, the treated fresh water flows out of the second water outlet 174 of the membrane component 17, then enters the fresh water tank 3 through the fresh water inlet 301 through the fresh water flowmeter 13 and the fresh water pressure gauge 11, is subjected to sterilization through the sterilizing pipe 19 in the fresh water tank 3 and then is discharged up to the standard through the fresh water discharge hole 302, and the treated concentrated water flows out of the first water outlet 173 of the membrane component 17 and then enters the concentrated water tank 2 through the concentrated water inlet 201.

The first filtration mode is an external pressure type, and although the water yield per unit membrane area is lower than that of the internal pressure type, the sewage decolorization treatment effect is good.

The second method comprises the following steps: water to be treated enters the raw water tank 1 through the raw water inlet 101, the water to be treated in the raw water tank 1 enters the self-priming pump 16 through the raw water outlet 103, then enters the filter 14 through the raw water flowmeter 9 and the raw water pressure gauge 10 on the instrument panel 12 and is filtered, the filtered water flows into the second water inlet 172 of the membrane component 17 fixed through the membrane component pipe clamp 18 through the filter outlet 142, the treated fresh water flows out of the first water outlet 173 of the membrane component 17, then enters the fresh water tank 3 through the fresh water inlet 301 through the fresh water flow meter 13 and the fresh water pressure gauge 11, is subjected to sterilization through the sterilizing pipe 19 in the fresh water tank 3 and then is discharged up to the standard through the fresh water discharge hole 302, and the treated concentrated water flows out of the second water outlet 174 of the membrane component 17 and then enters the concentrated water tank 2 through the concentrated water inlet 201.

The filtration mode of the second mode is an internal pressure type, the internal pressure type is used for filtering through vertical cross turbulence, the washing is convenient and thorough, the ultrafiltration membrane is not easy to block, the water yield of unit membrane area is high, the water yield attenuation rate is low, the water flux is quickly recovered, and the sewage treatment efficiency is high.

Claims

1. A small-size integrated membrane treatment device, characterized in that: the device comprises a rack (5), wherein the inside of the rack (5) is divided into a pipeline installation area (4) and a box installation area, an original water tank (1), a concentrated water tank (2) and a fresh water tank (3) are fixed in the box installation area, and the concentrated water tank (2) is positioned between the original water tank (1) and the fresh water tank (3); a filter (14), a self-sucking pump (16) and a membrane module (17) are fixed in the pipeline installation area (4), the raw water tank (1) is communicated with the water inlet end of the membrane module (17) sequentially through the self-sucking pump (16) and the filter (14), and the water outlet end of the membrane module (17) is communicated with the concentrated water tank (2) and the fresh water tank (3) respectively.

2. A small-scale integrated membrane processing apparatus according to claim 1, characterized in that: a first water inlet (171) and a second water inlet (172) are formed in the water inlet end of the membrane component (17), and a first water outlet (173) and a second water outlet (174) are formed in the water outlet end of the membrane component (17); when raw water enters the first water inlet (171), the first water outlet (173) discharges thick water, and the second water outlet (174) discharges fresh water; when raw water enters the second water inlet (172), fresh water is discharged from the first water outlet (173), and concentrated water is discharged from the second water outlet (174).

3. A small-sized integrated membrane processing apparatus according to claim 2, wherein: and a backwashing pump (15) is further installed in the pipeline installation area (4), when the device is used, fresh water in the fresh water tank (3) is pumped into the second water outlet (174) of the membrane assembly (17) by the backwashing pump (15) to be backwashed, and washing water flows out from the first water inlet (171) and the second water inlet (172) of the membrane assembly (17) and then is converged into the raw water tank (1).

4. A small-scale integrated membrane processing apparatus according to claim 1, characterized in that: a control cabinet (6) is fixed on the outer side of the rack (5), and the control cabinet (6) is positioned in the left front of the pipeline installation area (4).

5. A small-scale integrated membrane processing apparatus according to claim 1, characterized in that: frame (5) outside still is fixed with instrument panel (12), and this instrument panel (12) are located pipeline installing zone (4) right front, and are equipped with raw water flowmeter (9), raw water manometer (10), fresh water manometer (11) and fresh water flow meter (13) on instrument panel (12).

6. A compact integrated membrane processing apparatus according to claim 5, wherein: the raw water flow meter (9) and the raw water pressure gauge (10) are connected to a raw water outlet pipeline between the self-priming pump (16) and the filter (14), and the fresh water pressure gauge (11) and the fresh water flow meter (13) are connected to a fresh water inlet pipeline between the membrane component (17) and the fresh water tank (3).

7. A small-scale integrated membrane processing apparatus according to claim 1, characterized in that: the fresh water tank (3) is also internally provided with a sterilizing tube (19), and the sterilizing tube (19) is internally provided with a chlorine sheet with the effective chlorine content of more than or equal to 90 percent and the specification of 8-30 meshes.

8. A small-scale integrated membrane processing apparatus according to claim 1, characterized in that: the raw water tank (1), the concentrated water tank (2) and the fresh water tank (3) are made of one of stainless steel, carbon steel or organic glass, and liquid level meters are arranged on the raw water tank (1), the concentrated water tank (2) and the fresh water tank (3).