CN203602423U - Circular ultrafiltration device capable of decontaminating deeply - Google Patents

Circular ultrafiltration device capable of decontaminating deeply Download PDF

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Publication number
CN203602423U
CN203602423U CN201320744440.9U CN201320744440U CN203602423U CN 203602423 U CN203602423 U CN 203602423U CN 201320744440 U CN201320744440 U CN 201320744440U CN 203602423 U CN203602423 U CN 203602423U
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China
Prior art keywords
water
valve
strainer
ultrafiltration
outlet
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CN201320744440.9U
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Chinese (zh)
Inventor
武志福
张培华
李永茂
张洪志
任继德
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SHANXI PINSHUO WASTE COAL POWER GENERATION Co Ltd
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SHANXI PINSHUO WASTE COAL POWER GENERATION Co Ltd
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Abstract

The utility model belongs to the technical field of water treatment, and particularly relates to a circular ultrafiltration device capable of decontaminating deeply, and the circular ultrafiltration device is mainly used for solving the technical problems of deposition of dirt on the surface of an ultrafiltration membrane and low utilization ratio of water resources in the conventional ultrafiltration device. In the circular ultrafiltration device capable of decontaminating deeply, a circular concentrated water filtering system is arranged on the basis of the conventional ultrafiltration device, concentrated water drained from the ultrafiltration device is filtered by the circular concentrated water filtering system to effectively remove suspended matters and colloid impurities in the concentrated water, and the filtered concentrated water enters an ultrafiltration membrane module to be subjected to ultrafiltration, so that the defects of dirt deposition and system dirt concentration on the surface of the ultrafiltration membrane are overcome, and a large quantity of water resources are saved. The circular ultrafiltration device has the advantages that the dirt deposition on the surface of the ultrafiltration membrane can be reduced, and the water utilization ratio of the ultrafiltration device is increased.

Description

A kind of loop ultrafiltration device of degree of depth decontamination
Technical field
The utility model belongs to water-treatment technology field, is specifically related to a kind of loop ultrafiltration device of degree of depth decontamination.
Background technology
Ultra-filtration equipment is a kind of advanced person's membrane separation technique, utilize ultra-filtration membrane as filtration medium, using the pressure difference of film both sides as motivating force, by water by ultrafiltration membrance filter processing, wherein a part is by the water of membrane filtration as producing water conservancy use, and another part does not discharge as dense water by impurity and the water of membrane filtration.Due to ultra-filtration equipment to influent quality require wide in rangely, and produce that water is stable and quality is good, thereby be widely used in the water treatment of every field.
In existing ultra-filtration equipment application process, if when influent quality is unstable, dense water needs a cross-flow discharge part, the dense water of its generation is further degree of depth decontamination and recycle not, cause ultra-filtration membrane surface contaminants to concentrate and deposit serious, and cause the utilization ratio of water resources not high, cause the waste of water resources.
Summary of the invention
The purpose of this utility model is ultra-filtration membrane surface contaminants deposition and the not high technical problem of water utilization rate existing in order to solve existing ultrafiltration circulation device, and a kind of loop ultrafiltration device of degree of depth decontamination is provided.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of loop ultrafiltration device of degree of depth decontamination, comprise water reservoir, working shaft water intaking valve, working shaft, working shaft outlet valve, hyperfiltration membrane assembly, water valve is produced in ultrafiltration, produce water tank, hyperfiltration reverse-rinsing pump water inlet valve, hyperfiltration reverse-rinsing pump, hyperfiltration reverse-rinsing pumps water valve, dense water cycle water intaking valve, dense water-circulating pump, dense water-circulating pump outlet valve, circulation by-pass valve, ultrafiltration cross-flow valve, the positive valve of ultrafiltration, the anti-valve of ultrafiltration, wastewater disposal basin, compressed air tank and intake valve, wherein: also comprise by strainer water intaking valve, strainer, strainer outlet valve, filter backwash pump water inlet valve, filter backwash pump, filter backwash water intaking valve, filter backwash water discharge valve, the dense water circulation filtering system of strainer exhaust-valve and strainer wash water valve composition, the water-in of strainer water intaking valve and strainer is by pipeline communication, and the water outlet of strainer is communicated with the water-in of hyperfiltration membrane assembly by strainer outlet valve, the filter backwash water outlet and filter backwash pump water inlet valve, filter backwash pump and the filter backwash water intaking valve that produce water tank pass through pipeline communication, the backwash water-in of the water outlet of filter backwash water intaking valve and strainer is by pipeline communication, and the backwash sewage water outlet of strainer is communicated with wastewater disposal basin through filter backwash water discharge valve, the sewage effluent of strainer is communicated with wastewater disposal basin through filter wash water valve, and strainer exhaust-valve is located at the top of strainer.
The utility model adopts above technical scheme, on the basis of existing ultra-filtration equipment, increase dense water circulation filtering system, ultra-filtration equipment is discharged to dense water to be filtered through dense water circulation filtering system, dense water after dense water circulation filtering system filters, effectively removes suspended substance and colloidal impurity in dense water, and then enters ultrafiltration in hyperfiltration membrane assembly, solve dirt deposition and the concentrated shortcoming of system pollutant on ultra-filtration membrane surface, and then saved a large amount of water resourcess.Therefore, compared with background technology, the utlity model has the dirt deposition that can alleviate ultra-filtration membrane surface, improve the advantage of the water use efficiency of ultra-filtration equipment.
Accompanying drawing explanation
Accompanying drawing is overall structure schematic diagram of the present utility model.
Embodiment
As shown in drawings, the loop ultrafiltration device of a kind of degree of depth decontamination in the present embodiment, comprise water reservoir 3, working shaft water intaking valve 13, working shaft 9, working shaft outlet valve 22, hyperfiltration membrane assembly 1, water valve 21 is produced in ultrafiltration, produce water tank 4, hyperfiltration reverse-rinsing pump water inlet valve 10, hyperfiltration reverse-rinsing pump 7, hyperfiltration reverse-rinsing pumps water valve 11, dense water cycle water intaking valve 18, dense water-circulating pump 8, dense water-circulating pump outlet valve 17, circulation by-pass valve 16, ultrafiltration cross-flow valve 19, the positive valve 20 of ultrafiltration, the anti-valve 23 of ultrafiltration, wastewater disposal basin 6, compressed air tank 2 and intake valve 12, wherein: also comprise by strainer water intaking valve 14, strainer 5, strainer outlet valve 15, filter backwash pump water inlet valve 28, filter backwash pump 29, filter backwash water intaking valve 25, filter backwash water discharge valve 24, the dense water circulation filtering system that strainer exhaust-valve 27 and strainer wash water valve 26 form, the water-in of strainer water intaking valve 14 and strainer 5 is by pipeline communication, and the water outlet of strainer 5 is communicated with the water-in of hyperfiltration membrane assembly 1 by strainer outlet valve 15, the filter backwash water outlet and filter backwash pump water inlet valve 28, filter backwash pump 29 and the filter backwash water intaking valve 25 that produce water tank 4 pass through pipeline communication, the backwash water-in of the water outlet of filter backwash water intaking valve 25 and strainer 5 is by pipeline communication, and the backwash sewage water outlet of strainer 5 is communicated with wastewater disposal basin 6 through filter backwash water discharge valve 24, the sewage effluent of strainer 5 is communicated with wastewater disposal basin 6 through filter wash water valve 26, and strainer exhaust-valve 27 is located at the top of strainer 5.
Above-mentioned water reservoir 3 passes through pipeline communication with the water-in of working shaft water intaking valve 13, working shaft 9, working shaft outlet valve 22 and hyperfiltration membrane assembly 1, the product water water outlet of hyperfiltration membrane assembly 1 produces water valve 21 through ultrafiltration and is communicated with the product water water-in that produces water tank 4, and the dense water water outlet of hyperfiltration membrane assembly 1 and dense water cycle water intaking valve 18, dense water-circulating pump 8, dense water-circulating pump outlet valve 17 and strainer water intaking valve 14 pass through pipeline communication; The hyperfiltration reverse-rinsing water outlet of product water tank 4 and hyperfiltration reverse-rinsing pump water inlet valve 10, hyperfiltration reverse-rinsing pump 7, hyperfiltration reverse-rinsing pump the product water water outlet of water valve 11 and hyperfiltration membrane assembly 1 by pipeline communication, and the water-in of filter membrane component 1 is communicated with wastewater disposal basin 6 through the anti-valve 23 of ultrafiltration; The dense water water outlet of hyperfiltration membrane assembly 1 is communicated with wastewater disposal basin 6 through ultrafiltration cross-flow valve 19, and the dense water water outlet of hyperfiltration membrane assembly 1 is communicated with wastewater disposal basin 6 through the positive valve 20 of ultrafiltration; Dense water-circulating pump outlet valve 17 is communicated with the water-in of hyperfiltration membrane assembly 1 through circulation by-pass valve 16; Compressed air tank 2 is communicated with the inlet mouth of hyperfiltration membrane assembly 1 through intake valve 12.
Above-mentioned hyperfiltration membrane assembly can be multiple, and the pipeline of above-mentioned each equipment of connection is that corrosion-resistant material is made, for example UPVC.
Below in conjunction with accompanying drawing, the running condition of the loop ultrafiltration device to above-mentioned degree of depth decontamination is described below (before operation, closing all valves):
Ultrafiltration waste water is opened working shaft water intaking valve 13, working shaft outlet valve 22, water valve 21 is produced in ultrafiltration, dense water cycle water intaking valve 18, dense water-circulating pump outlet valve 17, strainer water intaking valve 14, strainer outlet valve 15 and strainer exhaust-valve 27, start working shaft 9 and dense water-circulating pump 8, waste water enters working shaft 9 from water reservoir 3 through working shaft water intaking valve 13, after working shaft 9 pressurizations, enter ultrafiltration in hyperfiltration membrane assembly 1 through working shaft outlet valve 22, water after ultrafiltration produces water valve 21 through ultrafiltration and enters product water tank 4, do not enter dense water-circulating pump 8 through the dense water of ultrafiltration through dense water cycle water intaking valve 18, after dense water-circulating pump 8 pressurizations, enter filtration in strainer 5 through dense water-circulating pump outlet valve 17 and strainer water intaking valve 14, water after filtration returns to ultrafiltration in hyperfiltration membrane assembly 1 through filter outlet valve 15, sewage in strainer 5 enters wastewater disposal basin 6 through filter wash water valve 26, if it is better not pass through the dense water water quality of ultrafiltration, close strainer water intaking valve 14 and strainer outlet valve 15, ON cycle by-pass valve 16, do not return in hyperfiltration membrane assembly 1 ultrafiltration by dense water-circulating pump outlet valve 17 through circulation by-pass valve 16 through the dense water of ultrafiltration.
Hyperfiltration reverse-rinsing pump water inlet valve 10 is opened in the backwash of hyperfiltration membrane assembly, hyperfiltration reverse-rinsing pumps water valve 11 and the anti-valve 23 of ultrafiltration, start hyperfiltration reverse-rinsing pump 7, water enters hyperfiltration reverse-rinsing pump 7 from the hyperfiltration reverse-rinsing water outlet that produces water tank 4 through hyperfiltration reverse-rinsing pump water inlet valve 10, after 7 pressurizations of hyperfiltration reverse-rinsing pump, pump water valve 11 through hyperfiltration reverse-rinsing and enter backwashing ultrafiltration membrane module 1 in hyperfiltration membrane assembly 1, the sewage after backwashing ultrafiltration membrane module 1 enters wastewater disposal basin 6 through the anti-valve 23 of ultrafiltration.
First just washing of hyperfiltration membrane assembly open intake valve 12, gas in compressed air tank 2 enters hyperfiltration membrane assembly 1 through intake valve 12, gas blows the dirt on the ultra-filtration membrane of hyperfiltration membrane assembly 1 off, then open working shaft water intaking valve 13, the positive valve 20 of working shaft outlet valve 22 and ultrafiltration, start working shaft 9, water enters working shaft 9 from water reservoir 3 through working shaft water intaking valve 13, after working shaft 9 pressurizations, enter and in hyperfiltration membrane assembly 1, just washing hyperfiltration membrane assembly 1 through working shaft outlet valve 22, the sewage of just washing after hyperfiltration membrane assembly 1 enters wastewater disposal basin 6 through the positive valve 20 of ultrafiltration, if it is very poor just to wash sewage quality after hyperfiltration membrane assembly 1, close the positive valve 20 of ultrafiltration, open ultrafiltration cross-flow valve 19, the sewage of just washing after hyperfiltration membrane assembly 1 enters wastewater disposal basin 6 through filter cross-flow valve 19.
Backwash opening filter backwashing pump water intaking valve 28, filter backwash water intaking valve 25, filter backwash water discharge valve 24 and the strainer exhaust-valve 27 of strainer, start filter backwash pump 29, water enters filter backwash pump 29 from the filter backwash water outlet that produces water tank 4 through filter backwashing pump water intaking valve 28, after 29 pressurizations of filter backwashing pump, enter strainer 5 through filter backwash water intaking valve 25, the sewage after backwash filter 5 enters wastewater disposal basin 6 through filter backwash water discharge valve 24.

Claims (1)

1. a loop ultrafiltration device for degree of depth decontamination, comprises water reservoir (3), working shaft water intaking valve (13), working shaft (9), working shaft outlet valve (22), hyperfiltration membrane assembly (1), water valve (21) is produced in ultrafiltration, produce water tank (4), hyperfiltration reverse-rinsing pump water inlet valve (10), hyperfiltration reverse-rinsing pump (7), hyperfiltration reverse-rinsing pumps water valve (11), dense water cycle water intaking valve (18), dense water-circulating pump (8), dense water-circulating pump outlet valve (17), circulation by-pass valve (16), ultrafiltration cross-flow valve (19), the positive valve of ultrafiltration (20), the anti-valve of ultrafiltration (23), wastewater disposal basin (6), compressed air tank (2) and intake valve (12), is characterized in that: also comprise by strainer water intaking valve (14), strainer (5), strainer outlet valve (15), filter backwash pump water inlet valve (28), filter backwash pump (29), filter backwash water intaking valve (25), filter backwash water discharge valve (24), the dense water circulation filtering system of strainer exhaust-valve (27) and strainer wash water valve (26) composition, the water-in of strainer water intaking valve (14) and strainer (5) is by pipeline communication, and the water outlet of strainer (5) is communicated with the water-in of hyperfiltration membrane assembly (1) by strainer outlet valve (15), the filter backwash water outlet and filter backwash pump water inlet valve (28), filter backwash pump (29) and the filter backwash water intaking valve (25) that produce water tank (4) pass through pipeline communication, the backwash water-in of the water outlet of filter backwash water intaking valve (25) and strainer (5) is by pipeline communication, and the backwash sewage water outlet of strainer (5) is communicated with wastewater disposal basin (6) through filter backwash water discharge valve (24), the sewage effluent of strainer (5) is communicated with wastewater disposal basin (6) through filter wash water valve (26), and strainer exhaust-valve (27) is located at the top of strainer (5).
CN201320744440.9U 2013-11-22 2013-11-22 Circular ultrafiltration device capable of decontaminating deeply Active CN203602423U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201320744440.9U CN203602423U (en) 2013-11-22 2013-11-22 Circular ultrafiltration device capable of decontaminating deeply

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601307A (en) * 2013-11-22 2014-02-26 山西平朔煤矸石发电有限责任公司 Circulating ultrafiltration device for deep decontamination

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601307A (en) * 2013-11-22 2014-02-26 山西平朔煤矸石发电有限责任公司 Circulating ultrafiltration device for deep decontamination

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