CN208605673U - A kind of dual backwashed trap valve - Google Patents
A kind of dual backwashed trap valve Download PDFInfo
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- CN208605673U CN208605673U CN201821136321.4U CN201821136321U CN208605673U CN 208605673 U CN208605673 U CN 208605673U CN 201821136321 U CN201821136321 U CN 201821136321U CN 208605673 U CN208605673 U CN 208605673U
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- filter screen
- water
- backwashed
- valve
- main filter
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Abstract
The utility model relates to a kind of dual backwashed trap valve, including valve body, main filter screen, auxiliary filter screen and ball valve, valve body is equipped with inlet and outlet;Main filter screen, auxiliary filter screen and ball valve are installed in valve body, and ball valve is connected with water inlet, main filter screen and auxiliary filter screen respectively and is used for the switching between main filter screen operating mode and auxiliary filter screen operating mode;Under main filter screen operating mode, the water of valve body is entered from the inlet after main filter screen filters, and is discharged from water outlet or/and auxiliary filter screen is backwashed;Under auxiliary filter screen operating mode, the water of valve body is entered from the inlet after auxiliary filter screen filters, and is discharged from water outlet or/and main filter screen is backwashed.The dual backwashed trap valve of the utility model, ensure that under any one filter screen operating mode, can backwash to the filter screen that another does not work.
Description
Technical field
The utility model relates to strainer valve technical fields, and in particular to a kind of dual backwashed trap valve.
Background technique
Water delivery or convey liquid pipeline in, generally require install additional strainer valve, with to conveying water body and liquid carry out
Filtering, still, during the filtration process, strainer valve is easy to happen blocking using after over time, this just need to strainer valve into
Row backwash, during the backwash process, strainer valve can not just play normal filtering function, influence water delivery or infusion device just
Often operating.
Utility model content
Technical problem to be solved in the utility model is in view of the deficiencies of the prior art, to provide a kind of dual backwashed
Trap valve.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of dual backwashed trap valve, including valve
Body, main filter screen, auxiliary filter screen and ball valve, the valve body are equipped with inlet and outlet;The main filter screen, auxiliary filter screen
It is installed in the valve body with ball valve, and the ball valve is connected with the water inlet, main filter screen and auxiliary filter screen respectively
And for the switching between main filter screen operating mode and auxiliary filter screen operating mode;
Under main filter screen operating mode, the water of the valve body is entered from the inlet after main filter screen filtering, from out
The mouth of a river is discharged or/and backwashes to the auxiliary filter screen;
Under auxiliary filter screen operating mode, the water of the valve body is entered from the inlet after auxiliary filter screen filtering, from out
The mouth of a river is discharged or/and backwashes to the main filter screen.
The beneficial effects of the utility model are: the dual backwashed trap valve of the utility model, by the intracorporal master of valve
One ball valve is set between filter screen and auxiliary filter screen, main filter screen operating mode and auxiliary filter screen may be implemented by the ball valve
Switching between operating mode, and ensure that under any one filter screen operating mode, it can not work another
Filter screen is backwashed, and both can guarantee the normal operation of strainer valve in this way, moreover it is possible to be realized and be carried out simultaneously to another filter screen
Backwash.
Based on the above technical solution, the utility model can also do following improvement.
Further, the ball valve is two to three-way ball valve.
Beneficial effect using above-mentioned further scheme is: using two to three-way ball valve, installation is simple, and structure is easy real
It is existing and easy to control.
Further, sewage backwash pipe, the sewage backwash are connected separately on the main filter screen and auxiliary filter screen
Pipe extends on the outside of the valve body and is connected with blowdown valve thereon.
Beneficial effect using above-mentioned further scheme is: by being separately connected recoil on main filter screen and auxiliary filter screen
Sewage pipe is washed, the impurity that can be generated during the backwash process is discharged from sewage backwash pipe.
Further, the water inlet and water outlet confronting coaxial arrangement.
Beneficial effect using above-mentioned further scheme is: inlet and outlet are positioned opposite, keep water flow more equal
Even stabilization.
Further, the auxiliary filter screen is mounted between the water inlet and the water outlet, the main filter screen installation
Between the auxiliary filter screen and the water inlet.
Beneficial effect using above-mentioned further scheme is: two filter screens being arranged side by side, ball valve can be made to be mounted on two
The junction of a filter screen is conducive to the conversion of mode.
Further, it is equipped with an internal partition in the valve body, the internal partition is located at the side of the main filter screen and close
The auxiliary filter screen setting;It is reserved between the internal partition and the body base for after the main strainer valve filtering
The mistake water flow passage that passes through of water.
Beneficial effect using above-mentioned further scheme is: an internal partition being arranged in valve body, either which filter screen
Operating mode, can effectively avoid filter process and backwash process from interlocking.
Further, the valve body is in tilted layout close to the side of the water outlet, makes water flow passage and the water outlet excessively
An inclined disengaging aquaporin is formed between mouthful.
Beneficial effect using above-mentioned further scheme is: valve body being in tilted layout close to the side of water outlet, avoids valve
Stockpile in vivo it is excessive cross drainage, and also help filtering water or backwashing water is flowed out or backwashed as early as possible.
Further, the transparent view for observing the main filter screen and/or the auxiliary filter screen is installed on the valve body
Window.
Beneficial effect using above-mentioned further scheme is: the setting of transparent window, facilitates observation main filter screen and secondary mistake
The working condition of strainer, it is convenient to understand and replace in time.
Further, the water inlet and the water outlet are separately installed with inlet segment flange and water exit end flange.
Beneficial effect using above-mentioned further scheme is: the setting convenience and water inlet line of water-in flange and water-output flange
It is connected with outlet conduit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram under the utility model main filter screen operating mode;
Fig. 2 is the structural schematic diagram under the utility model auxiliary filter screen operating mode;
Fig. 3 is the A-A the schematic diagram of the section structure of Fig. 1;
Fig. 4 is two structural schematic diagrams to three-way ball valve;
Fig. 5 is the front view of auxiliary filter screen;
Fig. 6 is the side view of auxiliary filter screen.
In attached drawing, parts list represented by the reference numerals are as follows:
100, valve body;101, water inlet;102, water outlet;103, inlet segment flange;104, water exit end flange;105, it is interior every
Plate;106, water flow passage is crossed;107, transparent window;108, aquaporin is passed in and out;
200, main filter screen;300, auxiliary filter screen;
400, two to three-way ball valve;401, valve handle;402, needle;403, first passage mouth;404, second channel mouth;405,
Third channel mouth;
500, main sewage backwash pipe;600, secondary sewage backwash pipe;700, main blowdown valve;800, secondary blowdown valve.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in figs 1 to 6, the dual backwashed trap valve of one kind of the present embodiment, including valve body 100, main filter screen 200,
Auxiliary filter screen 300 and ball valve, the valve body 100 are equipped with water inlet 101 and water outlet 102;The main filter screen 200, secondary mistake
Strainer 300 and ball valve are installed in the valve body 100, and the ball valve respectively with the water inlet 101, main filter screen 200
And auxiliary filter screen 300 is connected and for the switching between 300 operating mode of 200 operating mode of main filter screen and auxiliary filter screen;
Under 200 operating mode of main filter screen, enter the water of the valve body through 200 mistake of main filter screen from water inlet 101
After filter, it is discharged from water outlet 102 or/and the auxiliary filter screen 300 is backwashed;
Under 300 operating mode of auxiliary filter screen, enter the water of the valve body through 300 mistake of auxiliary filter screen from water inlet 101
After filter, it is discharged from water outlet 102 or/and the main filter screen 200 is backwashed.
What the arrow direction in figure indicated is water (flow) direction.
As shown in Figure 1, when entire strainer valve is under main filter screen operating mode, that is, when normal water supply, water passes through
Ball valve is discharged after flowing through main filter screen filtering, at this point, the filtering water outlet of main filter screen can be carried out only, main filter screen mistake can also be used
The water of filter backwashes auxiliary filter screen.Water (flow) direction when normal water supply is F1 → ball valve → main filter screen → F2 → F3,
The water (flow) direction for backwashing auxiliary filter screen is that (auxiliary filter screen is the blowdown opened on the stainless steel plate of bottom to F4 → auxiliary filter screen
Mouthful).
As shown in Fig. 2, rotating ball valve when entire strainer valve is under auxiliary filter screen operating mode, water is flowed through by ball valve
It is discharged after auxiliary filter screen filtering, at this point, the filtering water outlet of auxiliary filter screen can be carried out only, the water pair of auxiliary filter screen filtering can also be used
Main filter screen is backwashed.Water (flow) direction when normal water supply is F1 → ball valve → auxiliary filter screen → F3, backwashes main filtering
The water (flow) direction of net is F3 → F2 → main filter screen.
Existing water filter membrane or water sieve can be used in the main filter screen 200 and auxiliary filter screen 300 of the present embodiment.Main mistake
Strainer is actually cylindrical-shaped structure, and horizontally disposed, and the axis of preferably main filter screen and inlet and outlet
Axis is all to be overlapped.
The dual backwashed trap valve of the present embodiment, by being arranged one between the intracorporal main filter screen of valve and auxiliary filter screen
The switching between main filter screen operating mode and auxiliary filter screen operating mode, Er Qiebao may be implemented by the ball valve in a ball valve
It has demonstrate,proved under any one filter screen operating mode, the filter screen that another does not work can have been backwashed, in this way can
Guarantee the normal operation of strainer valve, moreover it is possible to realize and backwash simultaneously to another filter screen.
Embodiment 2
As shown in figs 1 to 6, the dual backwashed trap valve of one kind of the present embodiment, including valve body 100, main filter screen 200,
Auxiliary filter screen 300 and ball valve, the valve body 100 are equipped with water inlet 101 and water outlet 102;The main filter screen 200, secondary mistake
Strainer 300 and ball valve are installed in the valve body 100, and the ball valve respectively with the water inlet 101, main filter screen 200
And auxiliary filter screen 300 is connected and for the switching between 300 operating mode of 200 operating mode of main filter screen and auxiliary filter screen;
Under 200 operating mode of main filter screen, enter the water of the valve body 100 through the main filter screen 200 from water inlet 101
After filtering, it is discharged from water outlet 102 or/and the auxiliary filter screen 300 is backwashed;
Under 300 operating mode of auxiliary filter screen, enter the water of the valve body 100 through the auxiliary filter screen 300 from water inlet 101
After filtering, it is discharged from water outlet 102 or/and the main filter screen 200 is backwashed.
As shown in Figure 1, when entire strainer valve is under 200 operating mode of main filter screen, that is, when normal water supply, water is logical
It crosses after ball valve flows through the filtering of main filter screen 200 and is discharged, at this point, the filtering water outlet of main filter screen 200 can be carried out only, master can also be used
The water that filter screen 200 filters backwashes auxiliary filter screen 300.Water (flow) direction when normal water supply is F1 → ball valve → main mistake
The water (flow) direction of strainer → F2 → F3, backwash auxiliary filter screen 300 is F4 → auxiliary filter screen.
As shown in Fig. 2, rotating ball valve when entire strainer valve is under 300 operating mode of auxiliary filter screen, water passes through ball valve stream
It is discharged after the filtering of auxiliary filter screen 300, at this point, the filtering water outlet of auxiliary filter screen 300 can be carried out only, auxiliary filter screen can also be used
The water of 300 filterings backwashes main filter screen 200.Water (flow) direction when normal water supply be F1 → ball valve → auxiliary filter screen →
The water (flow) direction of F3, backwash main filter screen 200 are F3 → F2 → main filter screens.
Existing water filter membrane can be used in the main filter screen 200 and auxiliary filter screen 300 of the present embodiment.Main filter screen 200 is real
It is cylindrical-shaped structure on border, and horizontally disposed, and the axis of preferably main filter screen 200 and water inlet 101 and water outlet 102
Axis all be overlapped.
Wherein, as shown in figure 4, the ball valve that the present embodiment is selected is two to three-way ball valve 400, two to three-way ball valve
For 400 structural schematic diagram as shown in figure 4, the arrow direction in figure is optional circulating direction, the part extended downwardly is ball valve
Pointer.Using two to three-way ball valve, installation is simple, and structure is easy to accomplish, and easy to control.
In order to facilitate going on smoothly for backwash, as shown in Figure 1-Figure 3, on the main filter screen 200 and auxiliary filter screen 300
It is connected separately with sewage backwash pipe, the sewage backwash pipe extends to 100 outside of valve body and is connected with blowdown thereon
By being separately connected sewage backwash pipe on main filter screen 200 and auxiliary filter screen 300, what can be generated during the backwash process is miscellaneous
Matter is discharged from sewage backwash pipe.What is connected on main filter screen 200 is main sewage backwash pipe 500, main sewage backwash pipe
Main blowdown valve 700 is installed, what is connected on auxiliary filter screen 300 is secondary sewage backwash pipe 600, secondary sewage backwash pipe on 500
Secondary blowdown valve 800 is installed on 600, when backwashing to main filter screen 200, needs to open main sewage backwash pipe
Main blowdown valve 700 on 500 needs to open secondary sewage backwash pipe 600 when backwashing to auxiliary filter screen 300
On secondary blowdown valve 800.
Secondary 600 lower end of sewage backwash pipe of the present embodiment is connected to the lower end of main sewage backwash pipe 500, i.e., main recoil
The sewage for washing sewage pipe 500 and secondary 600 discharge of sewage backwash pipe finally collects outflow.
Specifically, as depicted in figs. 1 and 2, the water inlet 101 and the water outlet 102 on the valve body of the present embodiment
Confronting coaxial arrangement.Inlet and outlet are positioned opposite, make the more uniform stabilization of water flow.
As depicted in figs. 1 and 2, a preferred embodiment of the present embodiment is that the auxiliary filter screen 300 is mounted on the water inlet
Between mouth 101 and the water outlet 102, the main filter screen 200 is mounted on the auxiliary filter screen 300 and the water inlet 101
Between.Two filter screens are arranged side by side, ball valve can be made to be mounted on the junction of two filter screens, are conducive to the conversion of mode.
In fact, the main filter screen 200 in the present embodiment is arranged vertically, auxiliary filter screen 300 is horizontally disposed, the vertical cloth of the two
It sets and is connected to two at two passways of three-way ball valve 400.
As depicted in figs. 1 and 2, a concrete scheme of the present embodiment is to be equipped with an internal partition 105 in the valve body 100,
The internal partition 105 is located at the side of the main filter screen 200 and is arranged close to the auxiliary filter screen 300;The internal partition 105
The mistake water flow passage for passing through by the filtered water of the main strainer valve 200 is reserved between 100 bottom of valve body
106.One internal partition, the either operating mode of which filter screen are set in valve body, can effectively avoid filter process and anti-
Flushing process interlocks.In fact, as depicted in figs. 1 and 2, the internal partition 106 of the present embodiment is to be vertically installed at valve body
In 100, and 100 inner space of valve body is separated into the first installation cavity and the second installation cavity, main filter screen 200 is mounted on first
In installation cavity, auxiliary filter screen 300 is mounted in the second installation cavity, and two are mounted on the first installation cavity to three-way ball valve 400 is most of
Upper end that is interior and being mounted on main filter screen 200, two to three passways of three-way ball valve 400 be respectively first passage mouth 403,
Two passways 404 and third channel mouth 405, as shown in Figure 1, first passage mouth 403 is set up when carrying out normal water excessively,
Third channel mouth 405 is connect with one end of main filter screen 200, and second channel mouth 404 is connect with water inlet 101, auxiliary filter screen 300
Without crossing water connection, auxiliary filter screen can be backwashed at this time;As shown in Fig. 2, when being backwashed to main filter screen,
First passage mouth 403 is connect with 300 one end of auxiliary filter screen, and second channel mouth 404 is connect with water inlet 101, third channel mouth 405
Towards setting, main filter screen 200 is not crossed water from inside, can be backwashed at this time to main filter screen 200.Internal partition 105 is along master
The left side for being disposed axially in main filter screen 200 of filter screen 200.105 lower end of internal partition is also reserved with one with 100 bottom of valve body
Cross water flow passage 106.
As depicted in figs. 1 and 2, a preferred embodiment of the present embodiment is that the valve body 100 is close to the water outlet 102
Side be in tilted layout, so that described cross is formed an inclined disengaging aquaporin 108 between water flow passage 106 and the water outlet 102;
It wherein, is best when inclined angle is 45 °.Valve body is in tilted layout close to the side of water outlet, avoids stockpiling in valve body
It is more to cross drainage, and also help filtering water or backwashing water is flowed out or backwashed as early as possible.
As shown in figure 3, a preferred embodiment of the present embodiment is to be equipped on the valve body 100 for observing the master
The transparent window 107 of filter screen 200 and/or the auxiliary filter screen 300.The setting of transparent window, facilitate observation main filter screen and
The working condition of auxiliary filter screen, it is convenient to understand and replace in time.Transparent window 107, which can be used, to be bolted on valve body 100
Observation panel position, in order to observe main filter screen and auxiliary filter screen at any time with the presence or absence of blocking.
As depicted in figs. 1 and 2, it is separately installed at the embodiment of the present invention water inlet 101 and the water outlet 102 into water
Duan Falan 103 and water exit end flange 104.The setting of water-in flange and water-output flange is convenient to be connected with inlet and outlet pipes
It connects.
The dual backwashed trap valve of the present embodiment, by being arranged one between the intracorporal main filter screen of valve and auxiliary filter screen
A two may be implemented between main filter screen operating mode and auxiliary filter screen operating mode to three-way ball valve, by two to three-way ball valve
Switching, and ensure that under any one filter screen operating mode, the filter screen that another does not work can be carried out anti-
It rinses, both can guarantee the normal operation of strainer valve in this way, moreover it is possible to realize and another filter screen is backwashed simultaneously.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction "
To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitations of the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be
Mechanical connection, is also possible to be electrically connected;It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (9)
1. a kind of dual backwashed trap valve, which is characterized in that including valve body, main filter screen, auxiliary filter screen and ball valve, the valve
Body is equipped with inlet and outlet;The main filter screen, auxiliary filter screen and ball valve are installed in the valve body, and the ball
Valve is connected with the water inlet, main filter screen and auxiliary filter screen respectively and is used for main filter screen operating mode and auxiliary filter screen work
Switching between operation mode;
Under main filter screen operating mode, the water of the valve body is entered from the inlet after main filter screen filtering, from water outlet
It is discharged or/and the auxiliary filter screen is backwashed;
Under auxiliary filter screen operating mode, the water of the valve body is entered from the inlet after auxiliary filter screen filtering, from water outlet
It is discharged or/and the main filter screen is backwashed.
2. a kind of dual backwashed trap valve according to claim 1, which is characterized in that the ball valve is two to three-way ball
Valve.
3. a kind of dual backwashed trap valve according to claim 1, which is characterized in that the main filter screen and auxiliary filter screen
On be connected separately with sewage backwash pipe, the sewage backwash pipe extends on the outside of the valve body and is connected with blowdown thereon
Valve.
4. a kind of dual backwashed trap valve according to claim 1, which is characterized in that the water inlet and the water outlet
Confronting coaxial arrangement.
5. a kind of dual backwashed trap valve according to claim 1, which is characterized in that the auxiliary filter screen is mounted on described
Between water inlet and the water outlet, the main filter screen is mounted between the auxiliary filter screen and the water inlet.
6. a kind of dual backwashed trap valve according to claim 1, which is characterized in that be equipped in the valve body in one every
Plate, the internal partition are located at the side of the main filter screen and are arranged close to the auxiliary filter screen;The internal partition and the valve
The mistake water flow passage for passing through by the filtered water of the main filter screen is reserved between body bottom.
7. a kind of dual backwashed trap valve according to claim 6, which is characterized in that the valve body is close to the water outlet
Side be in tilted layout, so that described cross is formed an inclined disengaging aquaporin between water flow passage and the water outlet.
8. a kind of dual backwashed trap valve according to claim 1, which is characterized in that be equipped on the valve body for seeing
Examine the transparent window of the main filter screen and/or the auxiliary filter screen.
9. a kind of dual backwashed trap valve according to claim 1, which is characterized in that the water inlet and the water outlet
Place is separately installed with inlet segment flange and water exit end flange.
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CN201821136321.4U CN208605673U (en) | 2018-07-17 | 2018-07-17 | A kind of dual backwashed trap valve |
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CN201821136321.4U CN208605673U (en) | 2018-07-17 | 2018-07-17 | A kind of dual backwashed trap valve |
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CN208605673U true CN208605673U (en) | 2019-03-15 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108799562A (en) * | 2018-07-17 | 2018-11-13 | 北京华金浩环保供水设备有限公司 | The dual backwashed trap valve of one kind and filter method |
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2018
- 2018-07-17 CN CN201821136321.4U patent/CN208605673U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108799562A (en) * | 2018-07-17 | 2018-11-13 | 北京华金浩环保供水设备有限公司 | The dual backwashed trap valve of one kind and filter method |
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