CN215742905U - Forward and reverse washing system for oilfield reinjection water filtering device - Google Patents
Forward and reverse washing system for oilfield reinjection water filtering device Download PDFInfo
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- CN215742905U CN215742905U CN202122141734.XU CN202122141734U CN215742905U CN 215742905 U CN215742905 U CN 215742905U CN 202122141734 U CN202122141734 U CN 202122141734U CN 215742905 U CN215742905 U CN 215742905U
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Abstract
The utility model discloses a forward and reverse washing system for an oilfield reinjection water filtering device, which comprises a filtering membrane group with an upper side channel, an upper channel, a lower side channel and a lower channel, wherein the filtering membrane group can be an ultrafiltration ceramic membrane group, a nanofiltration membrane group or an RO filtering membrane group and the like, and further comprises a concentrated water recovery pipe, the concentrated water recovery pipe is connected with the upper side channel and the lower side channel of the filtering membrane group and used for recovering filtered concentrated water, a filtering reservoir, the top of the filtering reservoir is connected with the upper channel of the filtering membrane group and used for storing a forward washing and filtering pump in the reservoir, the forward washing and filtering pump is connected with the upper side channel of the filtering membrane group and an external water source to be filtered, and a reverse washing pump and a reverse washing filtering pump are connected with the lower channel of the filtering membrane group and the bottom of the filtering reservoir.
Description
Technical Field
The utility model belongs to the technical field of oilfield reinjection water filtration, and particularly relates to a forward and reverse washing system for an oilfield reinjection water filtration device.
Background
The method can reduce the loss of water environment resources, and can be repeatedly used after treatment, so that the pollution to the surrounding ecological environment can be reduced, and the oil field reinjection water can be utilized to improve the oil outlet efficiency aiming at different geological conditions, so that the oil field reinjection water can be repeatedly used after treatment, and the reinjection water to an underground oil layer is the most main treatment mode of the current oil field. However, the filtering effect of the filtering system of the existing oilfield reinjection water is not good, such as a processing device of the oilfield reinjection water with the publication number of CN213537587U in the grant of the chinese utility model, the structure of such a processing device is simple, and the filtering device cannot be cleaned, so that the practicability of the filtering device is reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a forward and reverse washing system which is simple in structure and is used for an oilfield reinjection water filtering device.
In order to achieve the purpose, the utility model provides the following technical scheme: the positive and negative washing system for oil field re-injection water filter includes filtering membrane set with upper passage, lower passage and lower passage, and the filtering membrane set may be ultrafiltering ceramic membrane set, nanofiltering membrane set, RO filtering membrane set, etc. and also includes
The concentrated water recovery pipe is connected with the upper side channel and the lower side channel of the filtering membrane group and is used for recovering the filtered concentrated water,
a filtering water reservoir, the top of the filtering water reservoir is connected with the upper channel of the filtering membrane group and used for storing the water in the water reservoir,
a forward washing and filtering pump, which is connected with the upper side channel of the filtering membrane group and is externally connected with a water source to be filtered,
and the backwashing filter pump is connected with the lower channel of the filter membrane group and the bottom of the filter reservoir.
The filter membrane group is positively washed through positive washing and the filter pump, and is backwashed through the backwash pump, so that the filter membrane group can be cleaned, and the service life of the filter device can be ensured.
The utility model is further configured to: the upper side channel of the filter membrane group is provided with a three-way electromagnetic valve, the three-way electromagnetic valve is provided with a communicating upper side channel and a concentrated water recovery pipe, and the upper electromagnetic valve is provided with a communicating upper side channel and a forward washing and filtering pump.
The automatic cleaning and filtering control in the later period can be facilitated by arranging the three-way electromagnetic valve.
The utility model is further configured to: the device is characterized in that a two-way electromagnetic valve I is arranged between a lower channel of the filtering membrane group and the backwashing pump, a two-way electromagnetic valve II is arranged between a lower side channel of the filtering membrane group and the concentrated water recovery pipe, and a two-way electromagnetic valve III is arranged between an upper channel of the filtering membrane group and the filtering reservoir.
The two-way electromagnetic valve can ensure the smooth circulation of all the pipelines. During normal washing, the three-way electromagnetic valve is opened, the two-way electromagnetic valve II is opened, and the normal washing and the filter pump are started to realize water return; during forward washing, the three-way electromagnetic valve is opened, the two-way electromagnetic valve I is opened, and the backwashing pump is started to realize forward direction; and when the filtering membrane group filters, the upper three-way electromagnetic valve is opened downwards, and the two-way electromagnetic valve III is opened to enable filtered water to enter the filtering reservoir.
The utility model is further configured to: the washing and filtering device further comprises a control cabinet which is arranged outside, and a control circuit and a controller which are used for controlling the forward washing and filtering pump, the backwashing pump two-way electromagnetic valve I, the two-way electromagnetic valve II, the two-way electromagnetic valve III and the three-way electromagnetic valve to act are arranged in the control cabinet.
The automatic control of the filtering device and even the whole filtering system can be realized by arranging the control cabinet, thereby being convenient for operation.
The utility model is further configured to: and a water outlet is formed in the other side of the filtering reservoir, a water discharge joint is fixedly arranged on the water outlet, and a two-way electromagnetic valve IV is arranged at the tail end of the water discharge joint.
The drainage port and the two-way electromagnetic valve IV are arranged, so that the filtered water can be conveniently drained.
The utility model is further configured to: the water outlet is integrally formed with a tubular water discharge pipe, the water discharge connector is inserted on the water discharge pipe, and a hexagonal nut is connected to the part of the water discharge connector, which is positioned on the inner side of the water discharge pipe, in a threaded manner.
The installation of the drainage connector can be facilitated by arranging the hexagonal nut.
The utility model is further configured to: the drainage connector comprises a first connecting part, an adapting part and a second connecting part which are connected in sequence, the first connecting part, the adapting part and the second connecting part are gradually decreased, external threads are arranged on the first connecting part and the second connecting part, a two-way electromagnetic valve IV is in threaded connection with the first connecting part, a hexagonal nut is in threaded connection with the second connecting part, the adapting part and the drainage connector are in clearance fit, one side, close to the first connecting part, of the adapting part is provided with a plurality of uniformly distributed fixing ribs, a sealing part is arranged on the adapting part, and a connecting groove matched with the fixing ribs is formed in the inner side of the sealing part.
The sealing performance of the joint connection of the drainage joint can be ensured by arranging the sealing element; through setting up fixed muscle and spread groove to can further ensure the intensity that the sealing member is connected.
The utility model is further configured to: a bearing groove which is coaxial with the sealing groove is arranged on the inner side of the sealing element; and a plurality of sealing ribs which are uniformly distributed and coaxially arranged are arranged on the outer side of the sealing element, and the cross section of each sealing rib is arc-shaped.
The sealing rib can further ensure the mechanical strength of the sealing element, and the receiving groove can play a role in providing a certain deformation gap generated by extrusion when the sealing element is installed.
The utility model is further configured to: the sealing element is internally provided with an integrally formed reinforcing rib, the section of the reinforcing rib is type, the type opening of the reinforcing rib faces the inner side of the sealing element, and the reinforcing rib is made of elastic metal.
By adopting the technical scheme, the structural strength of the sealing element can be ensured by arranging the reinforcing ribs, so that the practicability of the sealing element is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at I;
FIG. 3 is a schematic view of the seal of the present invention;
reference numbers in the drawings and corresponding part names: the device comprises a filter membrane group 1, a concentrated water recovery pipe 2, a two-way electromagnetic valve III, a 4-forward washing and filtering pump, a backwashing pump 5, a three-way electromagnetic valve 6, a two-way electromagnetic valve I7, a two-way electromagnetic valve II 8, a water discharging joint 9, a first connecting part 9a, a receiving part 9b, a second connecting part 9c, a two-way electromagnetic valve IV 10, a sealing part 11, a receiving groove 12, a sealing rib 13, a reinforcing rib 14 and a fixing rib 15.
Detailed Description
Embodiments of the present invention are further described with reference to fig. 1 to 3.
Example one
The utility model provides a positive backwash system for oil field reinjection water filter equipment, is including taking the filtration membrane group 1 of upper side passageway, upper channel, downside passageway and lower passageway, filtration membrane group 1 can be ultrafiltration ceramic membrane group, receive and strain membrane group or RO and filter membrane group 1 etc. still include
A concentrated water recovery pipe 2, wherein the concentrated water recovery pipe 2 is connected with the upper side channel and the lower side channel of the filtering membrane group 1 and is used for recovering the filtered concentrated water,
a filtering water reservoir, the top of the filtering water reservoir is connected with the upper channel of the filtering membrane group 1 and is used for storing the water in the water reservoir,
a forward washing and filtering pump 4, the forward washing and filtering pump 4 is connected with the upper side channel of the filtering membrane group 1 and is externally connected with a water source to be filtered,
and a backwashing pump 5, which is connected with the lower channel of the filtering membrane group 1 and the bottom of the filtering reservoir.
The filter membrane group 1 is positively washed through the positive washing and the filter pump 4, and the filter membrane group 1 is backwashed through the backwash pump 5, so that the filter membrane group 1 can be cleaned, and the service life of the filter device can be ensured.
Example two
On the basis of the first embodiment, a three-way electromagnetic valve 6 is arranged on the upper side channel of the filter membrane group 1, the three-way electromagnetic valve 6 is upwards opened to communicate the upper side channel with the concentrated water recovery pipe 2, and the upper side channel is downwards opened to communicate with the front washing and filtering pump 4.
The automatic cleaning and filtering control in the later period can be facilitated by arranging the three-way electromagnetic valve 6.
EXAMPLE III
On the basis of the first embodiment, a two-way electromagnetic valve I7 is arranged between the lower channel of the filter membrane group 1 and the backwashing pump 5, a two-way electromagnetic valve II 88 is arranged between the lower channel of the filter membrane group 1 and the concentrated water recovery pipe 2, and a two-way electromagnetic valve III 3 is arranged between the upper channel of the filter membrane group 1 and the filtering reservoir.
The two-way electromagnetic valve can ensure the smooth circulation of all the pipelines. During the forward washing, the three-way electromagnetic valve 6 is opened, the two-way electromagnetic valve II 88 is opened, and the forward washing and filtering pump 4 is started to realize water return; during forward washing, the three-way electromagnetic valve 6 is opened, the two-way electromagnetic valve I7 is opened, and the backwashing pump 5 is started to realize forward direction; when the filtering membrane group 1 filters, the upper three-way electromagnetic valve 6 is opened downwards, and the two-way electromagnetic valve III 3 is opened to enable filtered water to enter the filtering reservoir.
Example four
On the basis of the third embodiment, the device further comprises an external control cabinet, and a control circuit and a controller for controlling the actions of the forward washing and filtering pump 4, the backwashing pump 5, the two-way electromagnetic valve I7, the two-way electromagnetic valve II 88, the two-way electromagnetic valve III 3 and the three-way electromagnetic valve 6 are arranged in the control cabinet.
The automatic control of the filtering device and even the whole filtering system can be realized by arranging the control cabinet, thereby being convenient for operation.
EXAMPLE five
On the basis of the fourth embodiment, a water outlet is arranged on the other side of the filtering water reservoir, a water discharge connector 9 is fixedly arranged on the water outlet, and a two-way electromagnetic valve IV 10 is arranged at the tail end of the water discharge connector 9.
The filtered water can be discharged conveniently by arranging the water outlet and the two-way electromagnetic valve IV 10.
EXAMPLE six
Further, in the fifth embodiment, a tubular drain pipe is integrally formed on the drain opening, the drain joint 9 is inserted into the drain pipe, and a hexagonal nut is screwed to a portion of the drain joint 9 located inside the drain pipe.
The installation of the drain connector 9 can be facilitated by providing the hexagonal nut.
Further: the water drainage connector 9 comprises a first connecting portion 9a, a bearing portion 9b and a second connecting portion 9c which are sequentially connected, the first connecting portion 9a, the bearing portion 9b and the second connecting portion 9c are gradually decreased, external threads are arranged on the first connecting portion 9a and the second connecting portion 9c, an IV 10 two-way electromagnetic valve is in threaded connection with the first connecting portion 9a, a hexagonal nut is in threaded connection with the second connecting portion 9c, the bearing portion 9b is in clearance fit with the water drainage connector 9, a plurality of uniformly distributed fixing ribs 15 are arranged on one side, close to the first connecting portion 9a, of the bearing portion 9b, a sealing element 11 is arranged on the bearing portion 9b, and a connecting groove matched with the fixing ribs 15 is formed in the inner side of the sealing element 11.
The sealing performance of the joint connection of the drainage joint 9 can be ensured by arranging the sealing piece 11; by providing the fixing rib 15 and the connecting groove, the strength of the connection of the seal member 11 can be further ensured.
Further: a receiving groove 12 which is coaxial with the sealing groove is arranged on the inner side of the sealing element 11, and the receiving groove 12 is arranged on the sealing element; and a plurality of sealing ribs 13 which are uniformly distributed and coaxially arranged are arranged on the outer side of the sealing element 11, and the cross section of each sealing rib 13 is arc-shaped.
The provision of the sealing rib 13 further ensures the mechanical strength of the sealing member 11, and the provision of the receiving groove 12 serves to provide a certain deformation clearance due to the pressing when the sealing member 11 is installed.
Further: the sealing element 11 is internally provided with an integrally formed reinforcing rib 14, the section of the reinforcing rib 14 is type, the type opening of the reinforcing rib 14 faces the inner side of the sealing element 11, and the reinforcing rib 14 is made of elastic metal.
The provision of the reinforcing ribs 14 ensures the structural strength of the seal member 11, thereby ensuring the practicality of the seal member 11.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (7)
1. The utility model provides a positive backwash system for oil field reinjection water filter equipment, is including taking filtration membrane group (1) of side channel, upper channel, downside passageway and lower passageway on, characterized by: also comprises
The concentrated water recovery pipe (2) is connected with the upper side channel and the lower side channel of the filtering membrane group (1) and is used for recovering the filtered concentrated water,
a filtering water reservoir, the top of the filtering water reservoir is connected with the upper channel of the filtering membrane group (1) and is used for storing the water in the water reservoir,
a forward washing and filtering pump (4), the forward washing and filtering pump (4) is connected with the upper side channel of the filtering membrane group (1),
and the backwashing pump (5) is connected with the lower channel of the filter membrane group (1) and the bottom of the filtering reservoir.
2. The positive backwashing system for the oilfield reinjection water filtering device according to claim 1, wherein: the device is characterized in that a two-way electromagnetic valve I (7) is arranged between a lower channel of the filtering membrane group (1) and the backwashing pump (5), a two-way electromagnetic valve II (8) is arranged between a lower side channel of the filtering membrane group (1) and the concentrated water recovery pipe (2), and a two-way electromagnetic valve III (3) is arranged between an upper channel of the filtering membrane group (1) and the filtering reservoir.
3. The positive backwashing system for the oilfield reinjection water filtering device according to claim 2, wherein: a water outlet is arranged on the other side of the filtering reservoir, a water discharge joint (9) is fixedly arranged on the water outlet, and a two-way electromagnetic valve IV (10) is arranged at the tail end of the water discharge joint (9).
4. The positive backwashing system for the oilfield reinjection water filtering device according to claim 3, wherein: the water outlet is integrally formed with a tubular water discharge pipe, the water discharge connector (9) is inserted on the water discharge pipe, and a hexagonal nut is connected to the part, located on the inner side of the water discharge pipe, of the water discharge connector (9) in a threaded mode.
5. The positive backwashing system for the oilfield reinjection water filtering device according to claim 4, wherein: the drainage joint (9) comprises a first connecting part (9a), a bearing part (9b) and a second connecting part (9c) which are connected in sequence, the first connecting part (9a), the bearing part (9b) and the second connecting part (9c) are gradually decreased, and the first connecting part (9a) and the second connecting part (9c) are both provided with external threads, the two-way electromagnetic valve IV (10) is in threaded connection with the first connecting part (9a), the hexagonal nut is connected on the second connecting part (9c) in a threaded manner, the bearing part (9b) is in clearance fit with the drainage joint (9), a plurality of fixing ribs (15) which are uniformly distributed are arranged on one side of the bearing part (9b) close to the first connecting part (9a), and a sealing element (11) is arranged on the bearing part (9b), and a connecting groove matched with the fixing rib (15) is arranged on the inner side of the sealing element (11).
6. The positive backwashing system for the oilfield reinjection water filtering device according to claim 5, wherein: a receiving groove (12) which is coaxial with the sealing groove is arranged on the inner side of the sealing element (11), and the receiving groove (12) is arranged on the sealing element; and a plurality of sealing ribs (13) which are uniformly distributed and coaxially arranged are arranged on the outer side of the sealing element (11), and the cross section of each sealing rib (13) is arc-shaped.
7. The positive backwashing system for the oilfield reinjection water filtering device according to claim 6, wherein: the sealing piece (11) is internally provided with an integrally formed reinforcing rib (14), the section of the reinforcing rib (14) is type, the type opening of the reinforcing rib (14) faces the inner side of the sealing piece (11), and the reinforcing rib (14) is made of elastic metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122141734.XU CN215742905U (en) | 2021-09-06 | 2021-09-06 | Forward and reverse washing system for oilfield reinjection water filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122141734.XU CN215742905U (en) | 2021-09-06 | 2021-09-06 | Forward and reverse washing system for oilfield reinjection water filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215742905U true CN215742905U (en) | 2022-02-08 |
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ID=80084777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122141734.XU Active CN215742905U (en) | 2021-09-06 | 2021-09-06 | Forward and reverse washing system for oilfield reinjection water filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215742905U (en) |
-
2021
- 2021-09-06 CN CN202122141734.XU patent/CN215742905U/en active Active
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