A kind of suction water outlet recovery type online immersed ultrafiltration membrane pond
Technical field
The present invention relates to the handling technology of water supply technical field, relate in particular to a kind of suction water outlet recovery type online immersed ultrafiltration membrane pond.
Background technology
Current domestic waterworks submerged ultrafiltration water treatment system mostly trends towards adopting online recovery cleaning way, this kind of method alleviated the working strength of film case off-line, but this method has also been brought some production safety hidden danger, in online Process of Chemical Cleaning, enter adjacent membrane cisterna or follow-up clear water reserviors etc. because maloperation or failsafe valve etc. cause chemical solution, thereby affect effluent quality.
Therefore, need to provide a kind of suction water outlet recovery type online immersed ultrafiltration membrane pond to solve the problems referred to above.
Summary of the invention
In order to address this problem, the invention discloses a kind of suction water outlet recovery type online immersed ultrafiltration membrane pond, it realizes that in unit, submerged ultrafiltration produces sharing of water pump and Chemical cleaning circulating pump, thereby omitted a set of public Chemical cleaning circulatory system, reduce the chemical solution pipeline with pressure between the membrane cisterna unit and connected, further reduced the adverse effect of Chemical cleaning medicament to producing.A kind of suction water outlet recovery type online immersed ultrafiltration membrane pond, its composition comprises: total distributing channel 1, water inlet siphon pipe 2, membrane cisterna distribution channel 3, submerged ultrafiltration 4, film case collector pipe 5, produce well siphon pipe 6, water inlet manifold 7, produce well vacuum draw valve 8, membrane cisterna pond body 9, water inlet vacuum draw valve 10, water inlet siphon destructive valve 11, wet well siphon destructive valve 12, membrane cisterna distributing hole 13, front end pond 14, the first vavuum pump 15, the second vavuum pump 16, exhaust tube 17, produce water vacuum valve 18, total inlet regulating valve 19, the dense water valve 20 of membrane cisterna, water flow meter 21, membrane cisterna suction pump 22, membrane cisterna produces well 23, produce the total canal 24 of water, go out water regulating valve 25, hand-operated valve 26 before pump, after pump, hand-operated valve 27, membrane cisterna backwash valve 28, backwash pipe 29, produce water regulating valve 30, Chemical cleaning circulating valve 31, total distributing channel overflow pipe 32, total distributing channel blow-down pipe 33, film case water producing pipe 34, membrane cisterna emptying hand-operated valve 35, go out water conservation weir 36, the 3rd vavuum pump 37, produce water vent valve 38.Front end pond 14 is connected by water inlet manifold 7 with total distributing channel 1, be provided with total inlet regulating valve 19 on water inlet manifold 7, the top of total distributing channel 1 is provided with total distributing channel overflow pipe 32, the bottom of total distributing channel 1 is provided with total distributing channel blow-down pipe 33, one end opening of water inlet siphon pipe 2 is arranged in total distributing channel 1, the other end opening of water inlet siphon pipe 2 is arranged in membrane cisterna distribution channel 3, the top of water inlet siphon pipe 2 is connected with water inlet siphon destructive valve 11 with water inlet vacuum draw valve 10 respectively, and water inlet vacuum draw valve 10 is connected with the first vavuum pump 15, membrane cisterna distribution channel 3 is communicated with membrane cisterna pond body 9 by membrane cisterna distributing hole 13, submerged ultrafiltration 4 is arranged on below the ordinary water level of membrane cisterna pond body 9, film case collector pipe 5 is connected with film case water producing pipe 34, film case water producing pipe 34 upper ends exceed membrane cisterna pond body 9 peak level places product water vent valve 38 are installed, film case water producing pipe 34 lower ends are equipped with hand-operated valve 26 before pump lower than membrane cisterna pond body 9 ordinary water level places, membrane cisterna suction pump 22, after pump, hand-operated valve 27, water flow meter 21, be equipped with after water flow meter 21 and produce water regulating valve 30 and Chemical cleaning circulating valve 31, producing water regulating valve 30 is connected by pipeline and membrane cisterna product well 23, Chemical cleaning circulating valve 31 is connected with membrane cisterna pond body 9 by pipeline, the below of membrane cisterna pond body 9 is equipped with membrane cisterna emptying hand-operated valve 35 and the dense water valve 20 of membrane cisterna, an end opening that produces well siphon pipe 6 is arranged on membrane cisterna and produces in well 23, other end opening is arranged on and produces in the total canal 24 of water, one side of producing the total canal 24 of water with go out water regulating valve 25 and be connected, the top of producing well siphon pipe 6 is connected with product well vacuum draw valve 8 with wet well siphon destructive valve 12 respectively, producing well vacuum draw valve 8 is connected with the second vavuum pump 16, produce in the total canal 24 of water and be provided with out water conservation weir 36, to guarantee to produce the normal operation of well siphon pipe 6.
The production procedure of the specific embodiment of the present invention is: at first pending water enter total distributing channel 1 by front end pond 14, in the situation that water inlet siphon destructive valve 11 is closed, open water inlet vacuum draw valve 10, starting 15 pairs of water inlet siphon pipes 2 of the first vavuum pump is vacuumized, after 2 siphons of water inlet siphon pipe form, process water and enter membrane cisterna distribution channel 3 by distribution channel through siphon, through membrane cisterna distributing hole 13, enter membrane cisterna; Close wet well siphon destructive valve 12, open and produce well vacuum draw valve 8, start 16 pairs of product well siphon pipes 6 of the second vavuum pump and vacuumized, produce 6 siphons of well siphon pipe and form; The membrane cisterna water level reaches while producing the water water level, opens and produces water vacuum valve 18, closes and produces water vent valve 38, opens the 3rd vavuum pump 37, after film case water producing pipe 34 full waters, close the 3rd vavuum pump 37, close and produce water vacuum valve 18, open membrane cisterna suction pump 22, open and produce water regulating valve 30, produce water and start.
The present invention keeps below 0.5m/s owing to producing the interior flow rate of well siphon pipe 6, make membrane cisterna produce well 23 and produce total canal 24 liquid levels of water and substantially be consistent, produce the liquid level of the total canal 24 of water by control and control membrane cisterna pond body 9 and the liquid level difference that membrane cisterna produces well 23, control roughly each membrane cisterna permeant flux; Produce the aperture of water regulating valve 30 by control, accurately control each membrane cisterna permeant flux.
The present invention specifically implements to recover cleaning process: close into water vacuum draw valve 10, open water inlet siphon destructive valve 11, the siphon pipe siphon of now intaking is destroyed, between total distributing channel 1 and membrane cisterna distribution channel 3, is cut off, and current can't pass through; When the membrane cisterna liquid level is down to membrane cisterna distributing hole 13 belows, close while arriving submerged ultrafiltration 4 top and produce well vacuum draw valve 8, open wet well siphon destructive valve 12, now produce 6 siphons of well siphon pipe destroyed, membrane cisterna produces between well 23 and the total canal 24 of product water and is cut off; Now start membrane cisterna suction pump 22, open Chemical cleaning circulating valve 31, close and produce water regulating valve 30, membrane cisterna pond body 9 carries out the liquid circulation, this process does not have chemical agent and flows into total distributing channel 1, produces the total canal 24 of water and other membrane cisternas, safe and reliable when having realized that submerged ultrafiltration 4 is online fully and recovering to clean.
The specific embodiment of the invention realizes that in unit, submerged ultrafiltration produces sharing of water pump and Chemical cleaning circulating pump, thereby omitted a set of public Chemical cleaning circulatory system, reduce the chemical solution pipeline with pressure between the membrane cisterna unit and connected, further reduced the impact of Chemical cleaning medicament on producing.
The present invention adopts two cover siphon pipes respectively membrane cisterna water inlet and water outlet to be separated with the total canal of corresponding water inlet and the total canal of water outlet, by controlling siphon, open, the mode of stopping realizes every lattice membrane cisterna when milipore filter is safeguarded and recover to clean and the zero leakage between adjacent membrane cisterna and other structures, further guaranteed the ultrafiltration water supply security, avoided the off-line of submerged ultrafiltration to recover to clean, thereby greatly alleviate unsafe factor in water factory's production, this suction water outlet recovery type online immersed ultrafiltration membrane pond, simple in structure, operation, easy to maintenance, safety, reliably, can realize popularizing in an all-round way.
Preferably: the present invention includes membrane cisterna structure, product Water flow-path, membrane cisterna cleaning; It has realized that in the unit, submerged ultrafiltration produces sharing of water pump and Chemical cleaning circulating pump, it adopts two cover siphon pipes respectively membrane cisterna water inlet and water outlet to be separated with the total canal of corresponding water inlet and the total canal of water outlet, by controlling, mode that siphon opens, stops realizes every lattice membrane cisterna when milipore filter is safeguarded and recover to clean and the zero leakage between adjacent membrane cisterna and other structures, it is simple in structure, operation, easy to maintenance, easy cleaning, water supply security, reliable, can realize popularizing in an all-round way.
Beneficial effect of the present invention is:
The present invention realizes that in unit, submerged ultrafiltration produces sharing of water pump and Chemical cleaning circulating pump, thereby omitted a set of public Chemical cleaning circulatory system, reduce the chemical solution pipeline with pressure between the membrane cisterna unit and connected, further reduced the impact of Chemical cleaning medicament on producing.The present invention adopts two cover siphon pipes respectively membrane cisterna water inlet and water outlet to be separated with the total canal of corresponding water inlet and the total canal of water outlet, by controlling siphon, open, the mode of stopping realizes every lattice membrane cisterna when milipore filter is safeguarded and recover to clean and the zero leakage between adjacent membrane cisterna and other structures, further guaranteed the ultrafiltration water supply security, avoided the off-line of submerged ultrafiltration to recover to clean, thereby greatly alleviate unsafe factor in water factory's production, this suction water outlet recovery type online immersed ultrafiltration membrane pond, simple in structure, operation, easy to maintenance, water supply security, reliably, can realize popularizing in an all-round way.
Introduced the concept of a series of reduced forms in the summary of the invention part, this will further describe in specific embodiment part.Content part of the present invention does not also mean that key feature and the essential features that will attempt to limit technical scheme required for protection, does not more mean that the protection domain of attempting to determine technical scheme required for protection.
In conjunction with following detailed description advantages and features of the invention.
The accompanying drawing explanation
Fig. 1 is institutional framework schematic diagram of the present invention.
The specific embodiment
In the following description, a large amount of concrete details have been provided in order to more thorough understanding of the invention is provided.Yet, it will be apparent to one skilled in the art that the present invention can be implemented without one or more these details.In other example, for fear of obscuring with the present invention, for technical characterictics more well known in the art, be not described.
In order thoroughly to understand the present invention, detailed structure will be proposed in following description.Obviously, execution of the present invention is not limited to the specific details that those skilled in the art has the knack of.Preferred embodiment of the present invention is described in detail as follows, yet, except these are described in detail, the present invention can also have other embodiments.
Below embodiments of the invention are described in detail.
Shown in Fig. 1, a kind of suction water outlet recovery type online immersed ultrafiltration membrane pond, its composition comprises: total distributing channel 1, water inlet siphon pipe 2, membrane cisterna distribution channel 3, submerged ultrafiltration 4, film case collector pipe 5, produce well siphon pipe 6, water inlet manifold 7, produce well vacuum draw valve 8, membrane cisterna pond body 9, water inlet vacuum draw valve 10, water inlet siphon destructive valve 11, wet well siphon destructive valve 12, membrane cisterna distributing hole 13, front end pond 14, the first vavuum pump 15, the second vavuum pump 16, exhaust tube 17, produce water vacuum valve 18, total inlet regulating valve 19, the dense water valve 20 of membrane cisterna, water flow meter 21, membrane cisterna suction pump 22, membrane cisterna produces well 23, produce the total canal 24 of water, go out water regulating valve 25, hand-operated valve 26 before pump, after pump, hand-operated valve 27, membrane cisterna backwash valve 28, backwash pipe 29, produce water regulating valve 30, Chemical cleaning circulating valve 31, total distributing channel overflow pipe 32, total distributing channel blow-down pipe 33, film case water producing pipe 34, membrane cisterna emptying hand-operated valve 35, go out water conservation weir 36, the 3rd vavuum pump 37, produce water vent valve 38.Front end pond 14 is connected by water inlet manifold 7 with total distributing channel 1, be provided with total inlet regulating valve 19 on water inlet manifold 7, the top of total distributing channel 1 is provided with total distributing channel overflow pipe 32, the bottom of total distributing channel 1 is provided with total distributing channel blow-down pipe 33, one end opening of water inlet siphon pipe 2 is arranged in total distributing channel 1, the other end opening of water inlet siphon pipe 2 is arranged in membrane cisterna distribution channel 3, the top of water inlet siphon pipe 2 is connected with water inlet siphon destructive valve 11 with water inlet vacuum draw valve 10 respectively, and water inlet vacuum draw valve 10 is connected with the first vavuum pump 15, membrane cisterna distribution channel 3 is communicated with membrane cisterna pond body 9 by membrane cisterna distributing hole 13, submerged ultrafiltration 4 is arranged on below the ordinary water level of membrane cisterna pond body 9, film case collector pipe 5 is connected with film case water producing pipe 34, film case water producing pipe 34 upper ends exceed membrane cisterna pond body 9 peak level places product water vent valve 38 are installed, film case water producing pipe 34 lower ends are equipped with hand-operated valve 26 before pump lower than membrane cisterna pond body 9 ordinary water level places, membrane cisterna suction pump 22, after pump, hand-operated valve 27, water flow meter 21, be equipped with after water flow meter 21 and produce water regulating valve 30 and Chemical cleaning circulating valve 31, producing water regulating valve 30 is connected by pipeline and membrane cisterna product well 23, Chemical cleaning circulating valve 31 is connected with membrane cisterna pond body 9 by pipeline, the below of membrane cisterna pond body 9 is equipped with membrane cisterna emptying hand-operated valve 35 and the dense water valve 20 of membrane cisterna, an end opening that produces well siphon pipe 6 is arranged on membrane cisterna and produces in well 23, other end opening is arranged on and produces in the total canal 24 of water, one side of producing the total canal 24 of water with go out water regulating valve 25 and be connected, the top of producing well siphon pipe 6 is connected with product well vacuum draw valve 8 with wet well siphon destructive valve 12 respectively, producing well vacuum draw valve 8 is connected with the second vavuum pump 16, produce in the total canal 24 of water and be provided with out water conservation weir 36, to guarantee to produce the normal operation of well siphon pipe 6.
The production procedure of the specific embodiment of the present invention is: at first pending water enter total distributing channel 1 by front end pond 14, in the situation that water inlet siphon destructive valve 11 is closed, open water inlet vacuum draw valve 10, starting 15 pairs of water inlet siphon pipes 2 of the first vavuum pump is vacuumized, after 2 siphons of water inlet siphon pipe form, process water and enter membrane cisterna distribution channel 3 by distribution channel through siphon, through membrane cisterna distributing hole 13, enter membrane cisterna; Close wet well siphon destructive valve 12, open and produce well vacuum draw valve 8, start 16 pairs of product well siphon pipes 6 of the second vavuum pump and vacuumized, produce 6 siphons of well siphon pipe and form; The membrane cisterna water level reaches while producing the water water level, opens and produces water vacuum valve 18, closes and produces water vent valve 38, opens the 3rd vavuum pump 37, after film case water producing pipe 34 full waters, close the 3rd vavuum pump 37, close and produce water vacuum valve 18, open membrane cisterna suction pump 22, open and produce water regulating valve 30, produce water and start.
The present invention keeps below 0.5m/s owing to producing the interior flow rate of well siphon pipe 6, make membrane cisterna produce well 23 and produce total canal 24 liquid levels of water and substantially be consistent, produce the liquid level of the total canal 24 of water by control and control membrane cisterna pond body 9 and the liquid level difference that membrane cisterna produces well 23, control roughly each membrane cisterna permeant flux; Produce the aperture of water regulating valve 30 by control, accurately control each membrane cisterna permeant flux.
The present invention specifically implements to recover cleaning process: close into water vacuum draw valve 10, open water inlet siphon destructive valve 11, the siphon pipe siphon of now intaking is destroyed, between total distributing channel 1 and membrane cisterna distribution channel 3, is cut off, and current can't pass through; When the membrane cisterna liquid level is down to membrane cisterna distributing hole 13 belows, close while arriving submerged ultrafiltration 4 top and produce well vacuum draw valve 8, open wet well siphon destructive valve 12, now produce 6 siphons of well siphon pipe destroyed, membrane cisterna produces between well 23 and the total canal 24 of product water and is cut off; Now start membrane cisterna suction pump 22, open Chemical cleaning circulating valve 31, close and produce water regulating valve 30, membrane cisterna pond body 9 carries out the liquid circulation, this process does not have chemical agent and flows into total distributing channel 1, produces the total canal 24 of water and other membrane cisternas, safe and reliable when having realized that submerged ultrafiltration 4 is online fully and recovering to clean.
The specific embodiment of the invention realizes that in unit, submerged ultrafiltration produces sharing of water pump and Chemical cleaning circulating pump, thereby omitted a set of public Chemical cleaning circulatory system, reduce the chemical solution pipeline with pressure between the membrane cisterna unit and connected, further reduced the impact of Chemical cleaning medicament on producing.
The present invention adopts two cover siphon pipes respectively membrane cisterna water inlet and water outlet to be separated with the total canal of corresponding water inlet and the total canal of water outlet, by controlling siphon, open, the mode of stopping realizes every lattice membrane cisterna when milipore filter is safeguarded and recover to clean and the zero leakage between adjacent membrane cisterna and other structures, further guaranteed the ultrafiltration water supply security, avoided the off-line of submerged ultrafiltration to recover to clean, thereby greatly alleviate unsafe factor in water factory's production, this suction water outlet recovery type online immersed ultrafiltration membrane pond, simple in structure, operation, easy to maintenance, safety, reliably, can realize popularizing in an all-round way.
The present invention is illustrated by above-described embodiment, but should be understood that, above-described embodiment is the purpose for giving an example and illustrating just, but not is intended to the present invention is limited in described scope of embodiments.It will be appreciated by persons skilled in the art that in addition the present invention is not limited to above-described embodiment, according to instruction of the present invention, can also make more kinds of variants and modifications, these variants and modifications all drop in the present invention's scope required for protection.Protection scope of the present invention is defined by the appended claims and equivalent scope thereof.