CN103752068A - Back flushing system and back flushing method - Google Patents
Back flushing system and back flushing method Download PDFInfo
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- CN103752068A CN103752068A CN201410021628.XA CN201410021628A CN103752068A CN 103752068 A CN103752068 A CN 103752068A CN 201410021628 A CN201410021628 A CN 201410021628A CN 103752068 A CN103752068 A CN 103752068A
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- flushing
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- ceramic filter
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Abstract
The invention provides an underflow pump back flushing system capable of efficiently operating and a back flushing method, and is used for performing back flushing and cleaning on a ceramic filter. The back flushing system comprises a back flushing pool, a back flushing pipeline, an underflow pump, a spare pipeline, a sewage pump and a sewage pipeline, wherein the back flushing pipeline is connected between the back flushing pool and the underflow pump; a pumping pipeline outlet of the underflow pump is connected to the ceramic filter; a pumping pipeline outlet of the sewage pump is connected to the sewage pipeline; the spare pipeline is connected between the sewage pipeline and the back flushing pipeline. The back flushing method based on the back flushing system disclosed by the invention keeps the cleaning of the ceramic filter free from influence of water source supply and prevents the cleaning from being interrupted; the operating efficiency of operator can be improved, and simultaneously the normal production is guaranteed.
Description
Technical field
The present invention relates to liquid material pipeline conveying technology field, particularly a kind of underflow pump back-flushing system and back-flushing method.
Background technology
Existing ceramic filter needs in real time it to be carried out to back-flushing cleaning at work, existing underflow pump back-flushing system as shown in Figure 1, comprise underflow pump 5 and back-flushing pipeline 6, back-flushing used come from respectively horizontal pump 1 fetch water supply with collecting pit 3 and clarified water pump 2 fetch water supply with clear water reserviors 4, collecting pit 3 is connected back-flushing pipeline 6 with clear water reserviors 4, the water side of back-flushing pipeline 6 connects underflow pump 5, the pumping output of underflow pump 5 is connected in ceramic filter, and ceramic filter is carried out to back-flushing cleaning.There is following familiar lacunas in this back-flushing system of the prior art: if horizontal pump and clarified water pump are damaged in actual moving process, repair and change, or when the water quality of clear water reserviors and collecting pit is suffered severe contamination, just cannot supply water in time to back-flushing pipeline, and then underflow pump cannot carry out back-flushing cleaning to ceramic filter, cause whole production system to be shut down, had a strong impact on normal need of production, therefore the operation stability of underflow pump back-flushing system of the prior art is poor, cannot meet the uninterrupted back-flushing cleaning requirement to ceramic filter.
Summary of the invention
The present invention is based on above-mentioned prior art defect, a kind of underflow pump back-flushing system that can efficiently move of proposition and the back-flushing method of innovation, this system can guarantee that the back-flushing cleaning of underflow pump can not be interrupted, meet the uninterrupted back-flushing cleaning requirement to ceramic filter, improved production efficiency.
It is as follows that the present invention solves the problems of the technologies described above taked technical scheme:
A kind of back-flushing system, for ceramic filter is carried out to back-flushing cleaning, comprise: recoil pond, back-flushing pipeline 6, underflow pump 5, spare duct 7, sewage pump 8,9 and plumbing drain 10, described back-flushing pipeline 6 is connected between recoil pond and underflow pump 6, the pumping line way outlet of described underflow pump 6 is connected in ceramic filter, described sewage pump 8,9 pumping line way outlet is connected in plumbing drain 10, is connected with described spare duct 7 between described plumbing drain 10 and back-flushing pipeline 6.
Further according to back-flushing system of the present invention, one end of wherein said spare duct 7 is communicated in plumbing drain 10 through the sidewall of plumbing drain, the other end is communicated in back-flushing pipeline 6 through the sidewall of back-flushing pipeline, and is provided with gate valve 11 on described spare duct 7.
Further according to back-flushing system of the present invention, the pipeline that wherein said spare duct 7 is DN100.
Further, according to back-flushing system of the present invention, on wherein said back-flushing pipeline 6, be provided with gate valve 12, and described gate valve 12 is arranged at the downstream position that back-flushing pipeline 6 is connected with spare duct 7, and in normally open.
Further, according to back-flushing system of the present invention, wherein said sewage pump includes several, and the pumping line way outlet of each sewage pump is connected in plumbing drain 10 jointly, and the outlet of described plumbing drain 10 is connected in accident pool 14.
Further according to back-flushing system of the present invention, wherein said recoil pond comprises collecting pit 3 and clear water reserviors 4, described collecting pit is connected in horizontal pump 1, described clear water reserviors 4 are connected in clarified water pump 2, the export pipeline of described collecting pit 3 and clear water reserviors 4 is connected in described back-flushing pipeline 6, and is provided with gate valve on described export pipeline.
A back-flushing method of ceramic filter being carried out based on back-flushing system of the present invention, comprises the following steps:
(1), under normal operating conditions, close the gate valve 11 on described spare duct 7, utilize horizontal pump and clarified water pump squeeze into water in collecting pit and clear water reserviors as back-flushing pipeline 6 for water-supply source, described underflow pump 5 is delivered to ceramic filter 13 by the water pump in back-flushing pipeline 6, to its cleaning that recoils;
(2), occurring when abnormal for water-supply source when back-flushing pipeline 6, open the gate valve 11 on spare duct 7, utilize sewage pump using the sewage of pumping as back-flushing, to be supplied to back-flushing pipeline 6, by described underflow pump 5, the water pump in back-flushing pipeline 6 is delivered to ceramic filter 13, to its cleaning that recoils.
Further, according to back-flushing method of the present invention, wherein, in step (2), close the gate valve 15,16 arranging on collecting pit 3 and clear water reserviors 4 export pipelines simultaneously.
By technical scheme of the present invention, at least can reach following technique effect:
1, effectively guarantee production efficiency, met the uninterrupted back-flushing cleaning requirement to ceramic filter;
2, by the solution of the present invention, make when the parts such as horizontal pump, clarified water pump are overhauled, can the back-flushing of ceramic filter not cleaned and be had any impact, do not affect normal production;
3, scheme of the present invention simple and easy to do, realize with low costly, greatly reduce the fault rate of back-flushing system simultaneously.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of back-flushing system of the prior art;
Accompanying drawing 2 is the structural representation of back-flushing system of the present invention;
In figure, the implication of each Reference numeral is as follows:
1-horizontal pump, 2-clarified water pump, 3-collecting pit, 4-clear water reserviors, 5-underflow pump, 6-back-flushing pipeline, 7-spare duct, 8,9-sewage pump, 10-plumbing drain, 11,12,15,16-gate valve, 13-ceramic filter, 14-accident pool.
The specific embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail, so that those skilled in the art can more clearly understand the solution of the present invention, but does not therefore limit the scope of the invention.
As shown in Figure 2, underflow pump back-flushing system of the present invention is for carrying out back-flushing cleaning to ceramic filter, whole system comprises horizontal pump 1, clarified water pump 2, collecting pit 3, clear water reserviors 4, underflow pump 5, back-flushing pipeline 6, spare duct 7, sewage pump 8,9 and plumbing drain 10.Described horizontal pump 1 and clarified water pump 2 supply water to collecting pit 3 and clear water reserviors 4 respectively, back-flushing system back-flushing used come from respectively horizontal pump 1 fetch water supply with collecting pit 3 and clarified water pump 2 fetch water supply with clear water reserviors 4, the export pipeline of collecting pit 3 and clear water reserviors 4 is connected in back-flushing pipeline 6, and be provided with gate valve on its export pipeline, the water side of back-flushing pipeline 6 is connected with underflow pump 5, the pumping output of underflow pump 5 is connected in ceramic filter 13, and ceramic filter 13 is carried out to back-flushing cleaning.The introducing of the present invention innovation spare duct 7, some sewage pumps are installed on concrete cesspool, the application's example provides two sewage pumps 8 and 9, the pumping line way outlet of two sewage pumps is connected in plumbing drain 10 jointly, the outlet of plumbing drain 10 is connected in accident pool 14, between plumbing drain 10 and back-flushing pipeline 6, be connected with spare duct 7, the one end that is spare duct 7 is communicated with plumbing drain 10, the other end is communicated with back-flushing pipeline 6, the pipeline that preferred described spare duct 7 is DN100, on described spare duct 7, be provided with gate valve 11, described gate valve 11 is only opened just now when utilizing sewage in cesspool as back-flushing, substantially in normally off, on described back-flushing pipeline 6, be also provided with gate valve 12 simultaneously, described gate valve 12 is in normally open, and preferred described gate valve 12 is the downstream in back-flushing pipeline 10 with respect to gate valve 11.
Utilize back-flushing system of the present invention to carry out the back-flushing method of ceramic filter as follows: under normal operating condition, closing gate valve 11, utilize horizontal pump 1 and clarified water pump 2 to squeeze into water in collecting pit and clear water reserviors and supply with back-flushing for back-flushing pipeline 6, underflow pump 5 is delivered to ceramic filter 13 by the water pump in back-flushing pipeline 6, to its cleaning that recoils.When breaking down, horizontal pump, clarified water pump maybe need maintenance, or when the cleaning of the needs such as collecting pit, clear water reserviors cannot be supplied water, open gate valve 11, utilize the sewage that sewage pump provides to be supplied to back-flushing pipeline 6 as back-flushing, then by underflow pump, ceramic filter is rinsed, guaranteed that the cleaning of ceramic filter is not subject to the impact of water source supply, operating personnel utilize improved pipe-line system, improve operating efficiency, also ensured normally carrying out of producing simultaneously.
Below be only that the preferred embodiment of the present invention is described; technical scheme of the present invention is not limited to this; the any known distortion that those skilled in the art do on the basis of major technique design of the present invention all belongs to the claimed technology category of the present invention, and the concrete protection domain of the present invention is as the criterion with the record of claims.
Claims (8)
1. a back-flushing system, for ceramic filter is carried out to back-flushing cleaning, it is characterized in that, comprise: recoil pond, back-flushing pipeline (6), underflow pump (5), spare duct (7), sewage pump (8, 9) and plumbing drain (10), described back-flushing pipeline (6) is connected between recoil pond and underflow pump (6), the pumping line way outlet of described underflow pump (6) is connected in ceramic filter, described sewage pump (8, 9) pumping line way outlet is connected in plumbing drain (10), between described plumbing drain (10) and back-flushing pipeline (6), be connected with described spare duct (7).
2. back-flushing system according to claim 1, it is characterized in that, one end of described spare duct (7) is communicated in plumbing drain (10) through the sidewall of plumbing drain, the other end is communicated in back-flushing pipeline (6) through the sidewall of back-flushing pipeline, and is provided with gate valve (11) on described spare duct (7).
3. back-flushing system according to claim 2, is characterized in that, the pipeline that described spare duct (7) is DN100.
4. according to the back-flushing system described in claim 1-3 any one, it is characterized in that, on described back-flushing pipeline (6), be provided with gate valve (12), and described gate valve (12) is arranged at the downstream position that back-flushing pipeline (6) is connected with spare duct (7), and in normally open.
5. according to the back-flushing system described in claim 1-3 any one, it is characterized in that, described sewage pump includes several, and the pumping line way outlet of each sewage pump is connected in plumbing drain (10) jointly, and the outlet of described plumbing drain (10) is connected in accident pool (14).
6. according to the back-flushing system described in claim 1-5 any one, it is characterized in that, described recoil pond comprises collecting pit (3) and clear water reserviors (4), described collecting pit is connected in horizontal pump (1), described clear water reserviors (4) are connected in clarified water pump (2), the export pipeline of described collecting pit (3) and clear water reserviors (4) is connected in described back-flushing pipeline (6), and is provided with gate valve on described export pipeline.
7. a back-flushing method of based on back-flushing system described in claim 1-6 any one, ceramic filter being carried out, is characterized in that, comprises the following steps:
(1) under normal operating conditions, close the gate valve (11) on described spare duct (7), utilize horizontal pump and clarified water pump squeeze into water in collecting pit and clear water reserviors as back-flushing pipeline (6) for water-supply source, described underflow pump (5) is delivered to ceramic filter (13) by the water pump in back-flushing pipeline (6), to its cleaning that recoils;
(2) occurring when abnormal for water-supply source when back-flushing pipeline (6), open the gate valve (11) on spare duct (7), utilize sewage pump using the sewage of pumping as back-flushing, to be supplied to back-flushing pipeline (6), by described underflow pump (5), the water pump in back-flushing pipeline (6) is delivered to ceramic filter (13), to its cleaning that recoils.
8. back-flushing method according to claim 7, is characterized in that, wherein, in step (2), closes the gate valve (15,16) arranging on collecting pit (3) and clear water reserviors (4) export pipeline simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021628.XA CN103752068B (en) | 2014-01-17 | 2014-01-17 | Back flushing system and back flushing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021628.XA CN103752068B (en) | 2014-01-17 | 2014-01-17 | Back flushing system and back flushing method |
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| Publication Number | Publication Date |
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| CN103752068A true CN103752068A (en) | 2014-04-30 |
| CN103752068B CN103752068B (en) | 2015-06-17 |
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| CN201410021628.XA Active CN103752068B (en) | 2014-01-17 | 2014-01-17 | Back flushing system and back flushing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105709467A (en) * | 2016-01-26 | 2016-06-29 | 国核电力规划设计研究院 | Sludge discharge system and application method thereof |
| CN113324696A (en) * | 2021-06-22 | 2021-08-31 | 中国核动力研究设计院 | Back-flushing isolation device of nuclear reactor differential pressure and pressure transmitter and maintenance method |
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| DE20302516U1 (en) * | 2003-02-15 | 2003-12-11 | Hamann Ag | Plant for the removal and deactivation of organisms in ballast water |
| CN101475278A (en) * | 2009-02-03 | 2009-07-08 | 江阴市虎跑环保科技有限公司 | Full-automatic reclaimed water recycling machine |
| CN201620088U (en) * | 2010-02-10 | 2010-11-03 | 冯军 | Dual-pump liquid treating equipment |
| CN203694747U (en) * | 2014-01-17 | 2014-07-09 | 云南大红山管道有限公司 | Back flushing water system |
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2014
- 2014-01-17 CN CN201410021628.XA patent/CN103752068B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20302516U1 (en) * | 2003-02-15 | 2003-12-11 | Hamann Ag | Plant for the removal and deactivation of organisms in ballast water |
| CN101475278A (en) * | 2009-02-03 | 2009-07-08 | 江阴市虎跑环保科技有限公司 | Full-automatic reclaimed water recycling machine |
| CN201620088U (en) * | 2010-02-10 | 2010-11-03 | 冯军 | Dual-pump liquid treating equipment |
| CN203694747U (en) * | 2014-01-17 | 2014-07-09 | 云南大红山管道有限公司 | Back flushing water system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105709467A (en) * | 2016-01-26 | 2016-06-29 | 国核电力规划设计研究院 | Sludge discharge system and application method thereof |
| CN113324696A (en) * | 2021-06-22 | 2021-08-31 | 中国核动力研究设计院 | Back-flushing isolation device of nuclear reactor differential pressure and pressure transmitter and maintenance method |
| CN113324696B (en) * | 2021-06-22 | 2022-03-18 | 中国核动力研究设计院 | Method for maintaining back-flushing isolation device of nuclear reactor differential pressure and pressure transmitter |
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| Publication number | Publication date |
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| CN103752068B (en) | 2015-06-17 |
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