CN211777413U - Secondary backwashing filtering system installed on dust falling equipment of coal mining machine - Google Patents
Secondary backwashing filtering system installed on dust falling equipment of coal mining machine Download PDFInfo
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- CN211777413U CN211777413U CN202020136927.9U CN202020136927U CN211777413U CN 211777413 U CN211777413 U CN 211777413U CN 202020136927 U CN202020136927 U CN 202020136927U CN 211777413 U CN211777413 U CN 211777413U
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Abstract
The utility model relates to a secondary backwashing filter system installed on a dust-settling device of a coal mining machine, which comprises a fixed box and a filter element assembly; the filter element assembly is arranged in the fixed box; the filter element assembly comprises a positive filter and a negative filter, and a fixing piece is arranged between the positive filter and the negative filter; the positive filter and the negative filter are connected with the fixed box body through fixing pieces; the positive filter and the negative filter are communicated through a pipeline; according to the scheme, two-stage backwashing filtration is adopted, the filtering effect is good, the backwashing operation is simple, the maintenance cost is reduced, the maintenance time is greatly shortened, the installation is convenient, the maintenance is simple, and the project construction and after-sale maintenance are efficient and rapid.
Description
Technical Field
The utility model belongs to coal mine excavation dust fall equipment field especially relates to an install second grade back flush filtration system on coal-winning machine dust fall equipment.
Background
Coal is used as a basic energy substance, the demand of the coal mining dust-settling equipment is high, and the coal mining dust-settling equipment has complex underground conditions and severe working environment, particularly has a large amount of dust, contains more water and impurities, and brings great influence on the safety of the coal mining dust-settling equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an install second grade back flush filtration system on coal-winning machine dust fall equipment, it has solved that excavation dust fall equipment supplies water and generally is the one-level filtration: the filter element can not be used repeatedly, the service cost is high, and the filtering effect is general.
The utility model aims at solving through the following technical scheme:
a secondary backwashing filter system installed on a dust falling device of a coal mining machine comprises a fixed box and a filter element assembly;
the filter element assembly is arranged in the fixed box;
the filter element assembly comprises a positive filter and a negative filter;
the positive filter and the negative filter are communicated through a pipeline.
Further: the filter element assembly further comprises a first joint body, a first ball valve, a second joint body, a third joint body, a second ball valve, a fourth joint body and a second water pipe;
one end of the first ball valve is connected with an external water source, and the other end of the first ball valve is connected with the first joint body;
the first joint body is communicated with a water inlet of the anti-filter;
one end of the second water pipe is communicated with the water outlet of the reverse filter, and the other end of the second water pipe is communicated with the water inlet of the positive filter;
one end of the second ball valve is communicated with the water outlet of the positive filter, and the other end of the second ball valve is communicated with the third joint body;
the second ball valve is communicated with the fourth joint body;
the fourth joint body is communicated with the first water pipe;
the first water pipe is communicated with the second joint body, and the second joint body is communicated with the first ball valve.
Further: the reverse filter is provided with a first drain pipe, and the first drain pipe is communicated with a drain outlet of the reverse filter;
and a second sewage discharge pipe is arranged on the positive filter and is communicated with a sewage discharge port of the positive filter.
Further: and a sewage fixing end is arranged between the first sewage discharging pipe and the second sewage discharging pipe.
Further: and the sewage discharge fixed end is connected with a plug.
Further: a fixing piece is arranged between the positive filter and the negative filter;
the positive filter and the negative filter are connected with the fixed box body through fixing pieces.
Compared with the prior art, the application has the advantages that: according to the scheme, two-stage backwashing filtration is adopted, the filtering effect is good, the backwashing operation is simple, the maintenance cost is reduced, the maintenance time is greatly shortened, the installation is convenient, the maintenance is simple, and the project construction and after-sale maintenance are efficient and rapid.
Drawings
Fig. 1 is a schematic structural diagram of the system of the present invention;
fig. 2 is a schematic diagram of the system of the present invention.
Wherein: 1. a fixed box; 2. a reverse filter; 3. a positive filter; 4. a first joint body; 5. a first ball valve; 6. a second joint body; 7. a third joint cylinder; 8. a second ball valve; 9. a fourth joint body; 10. a plug; 11. a sewage discharge fixing end; 12. a first water pipe; 13. a first drain pipe; 14. a second sewage draining pipe; 15. a second water pipe; 16. and a fixing member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in figure 1, the two-stage backwashing filter system installed on the dust falling equipment of the coal mining machine comprises a fixed box 1 and a filter element assembly.
The filter element assembly is mounted in the stationary box 1.
The filter element assembly comprises a positive filter 3 and a negative filter 2, and a fixing piece 16 is arranged between the positive filter 3 and the negative filter 2.
The positive filter 3 and the negative filter 2 are connected with the fixed box 1 through a fixing piece 16.
The positive filter 3 and the negative filter 2 are communicated through a pipe.
The filter element assembly further comprises a first joint body 4, a first ball valve 5, a second joint body 6, a third joint body, a second ball valve 8, a fourth joint body 9 and a second water pipe 15.
One end of the first ball valve 5 is connected with an external water source, and the other end of the first ball valve 5 is connected with the first joint body 4.
The first joint body 4 is communicated with the water inlet of the anti-filter 2.
One end of a second water pipe 15 is communicated with the water outlet of the reverse filter 2, and the other end of the second water pipe 15 is communicated with the water inlet of the positive filter 3.
One end of the second ball valve 8 is communicated with the water outlet of the positive filter 3, and the other end of the second ball valve 8 is communicated with the third joint body.
The second ball valve 8 communicates with a fourth joint body 9.
The fourth joint body 9 communicates with the first water pipe 12.
The first water pipe 12 is communicated with the second joint body 6, and the second joint body 6 is communicated with the first ball valve 5.
The anti-filter 2 is provided with a first drain pipe 13, and the first drain pipe 13 is communicated with a drain outlet of the anti-filter 2.
The positive filter 3 is provided with a second sewage draining pipe 14, and the second sewage draining pipe 14 is communicated with a sewage draining outlet of the positive filter 3.
A sewage fixing end 11 is arranged between the first sewage discharging pipe 13 and the second sewage discharging pipe 14, and a plug 10 is connected to the sewage fixing end 11.
When in normal water supply, the plug 10 is used for plugging to form a water supply system in normal work.
After normally filtering an end time, the impurity of aquatic can adsorb on the surface of anti-filter 2 and 3 filter cores of positive filter, can influence the filter effect of filter, makes system's pressure increase, can harm the filter core, and the filter can not normal use.
At this moment, the flow direction of water can be adjusted through the tee ball valve in the system, the filter elements of the reverse filter 2 and the positive filter 3 are washed, impurities adsorbed on the surfaces of the filter elements of the reverse filter 2 and the positive filter 3 are discharged from the pollution discharge fixed end 11 through reverse water flow, and then the plug 10 of the plug is pulled out, so that the filter elements of the reverse filter 2 and the positive filter 3 can be used for a long time.
Referring to fig. 2, the specific backwashing steps are as follows:
the operator adjusts the operating handle of the first ball valve 5 to change the flow direction of the water supply, and the first ball valve 5 and the first joint body 4 are closed.
One end of the first ball valve 5 is an external water source interface, and the other end of the first ball valve 5 is communicated with the second joint body 6;
the second joint body 6 is communicated with a water pipe, the first water pipe 12 is communicated with the fourth joint body 9, and the fourth joint body is communicated with the second ball valve 8.
The operator adjusts the operating handle of the second ball valve 8 to change the flow direction of the water supply, and at the moment, the second ball valve 8 and the third joint body end are closed.
The second ball valve 8 is communicated with the water outlet of the positive filter 3, the drain outlet of the positive filter is communicated with the second drain pipe 14, the drain fixing end 11 at the other end of the second drain pipe 14 is communicated, and the plug 10 on the drain fixing end 11 is pulled out.
The water inlet and the second water pipe 15 intercommunication of positive filter 3, the other end of second water pipe 15 and the delivery port intercommunication of anti-filter 2, the drain and the first blow off pipe 13 intercommunication of anti-filter 2, the other end and the blowdown stiff end 11 intercommunication of first blow off pipe 13, and the end cap 10 of sending no stiff end has been pulled out.
Thus, the water flow is reversely formed, and the filter element flushing of the positive filter 3 and the negative filter 2 is realized.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
It is to be understood that the present application is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (6)
1. A secondary backwashing filter system installed on a dust falling device of a coal mining machine is characterized by comprising a fixed box (1) and a filter element assembly;
the filter element assembly is arranged in the fixed box (1);
the filter element assembly comprises a positive filter (3) and a negative filter (2);
the positive filter (3) and the negative filter (2) are communicated through a pipeline.
2. The secondary backwash filter system installed on a coal mining machine dust fall apparatus according to claim 1, wherein the filter element assembly further comprises a first joint body (4), a first ball valve (5), a second joint body (6), a third joint body, a second ball valve (8), a fourth joint body (9), and a second water pipe (15);
one end of the first ball valve (5) is connected with an external water source, and the other end of the first ball valve (5) is connected with the first joint body (4);
the first joint body (4) is communicated with a water inlet of the anti-filter (2);
one end of the second water pipe (15) is communicated with the water outlet of the reverse filter (2), and the other end of the second water pipe (15) is communicated with the water inlet of the positive filter (3);
one end of the second ball valve (8) is communicated with a water outlet of the positive filter (3), and the other end of the second ball valve (8) is communicated with the third joint body;
the second ball valve (8) is communicated with a fourth joint body (9);
the fourth joint body (9) is communicated with the first water pipe (12);
the first water pipe (12) is communicated with the second joint body (6), and the second joint body (6) is communicated with the first ball valve (5).
3. The secondary backwashing filter system installed on the coal mining machine dust-settling equipment of claim 1, wherein a first drain pipe (13) is arranged on the anti-filter (2), and the first drain pipe (13) is communicated with a drain outlet of the anti-filter (2);
and a second sewage discharge pipe (14) is arranged on the positive filter (3), and the second sewage discharge pipe (14) is communicated with a sewage discharge port of the positive filter (3).
4. The secondary backwashing filter system installed on the coal mining machine dust falling equipment of claim 3, wherein a blowdown fixing end (11) is arranged between the first blowdown pipe (13) and the second blowdown pipe (14).
5. The secondary backwashing filter system installed on the coal mining machine dust falling equipment of claim 4, wherein a plug (10) is connected to the sewage fixing end (11).
6. The secondary backwashing filter system installed on the coal mining machine dust falling equipment of claim 1, characterized in that a fixing piece (16) is arranged between the positive filter (3) and the negative filter (2);
the positive filter (3) and the negative filter (2) are connected with the fixed box (1) through a fixing piece (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020136927.9U CN211777413U (en) | 2020-01-21 | 2020-01-21 | Secondary backwashing filtering system installed on dust falling equipment of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020136927.9U CN211777413U (en) | 2020-01-21 | 2020-01-21 | Secondary backwashing filtering system installed on dust falling equipment of coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777413U true CN211777413U (en) | 2020-10-27 |
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ID=72904715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020136927.9U Active CN211777413U (en) | 2020-01-21 | 2020-01-21 | Secondary backwashing filtering system installed on dust falling equipment of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211777413U (en) |
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2020
- 2020-01-21 CN CN202020136927.9U patent/CN211777413U/en active Active
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