CN215137393U - Novel backwashing filter - Google Patents
Novel backwashing filter Download PDFInfo
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- CN215137393U CN215137393U CN202121730769.0U CN202121730769U CN215137393U CN 215137393 U CN215137393 U CN 215137393U CN 202121730769 U CN202121730769 U CN 202121730769U CN 215137393 U CN215137393 U CN 215137393U
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- side wall
- pipe
- supporting seat
- filter screen
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Abstract
The utility model relates to a back flush filter specifically is a novel back flush filter. The utility model provides a current backwash filter manufacturing cost and the higher problem of work energy consumption. A novel backwashing filter comprises a shell, a filter screen, a supporting seat, two thrust bearings, a rotary spray rod, a bearing gland, a liquid inlet pipe, a liquid outlet pipe, a flushing pipe and a drain pipe; the shell is of a cylindrical structure, and the upper end and the lower end of the shell are both provided with end walls; the center of the upper end wall of the shell is provided with an upper assembling hole in a through way; the center of the lower end wall of the shell is provided with a lower assembly hole in a through way; a liquid inlet is formed in the middle of the side wall of the shell in a penetrating way; a sewage draining outlet is arranged at the lower part of the side wall of the shell in a through way; the filter screen is of a cylindrical structure, an opening is formed in the upper end of the filter screen, and an end wall is formed in the lower end of the filter screen; the filter screen is coaxially arranged in the shell. The utility model is suitable for a fields such as metallurgy, chemical industry, oil, papermaking, medicine.
Description
Technical Field
The utility model relates to a back flush filter specifically is a novel back flush filter.
Background
The backwashing filter has a strong filtering function and is widely applied to the fields of metallurgy, chemical industry, petroleum, papermaking, medicine and the like. However, under the prior art, the backwashing filter has the problems of high manufacturing cost and high working energy consumption due to the limit of the structure of the backwashing filter. Specifically, the existing backwashing filter needs to be specially equipped with a motor and a control device thereof (the motor drives a spray rod to rotate) to realize backwashing, so that the existing backwashing filter not only has high structural complexity, but also needs to consume electric energy, thereby leading to higher manufacturing cost on one hand and higher working energy consumption on the other hand. Therefore, a novel backwash filter needs to be invented to solve the problems of high manufacturing cost and high working energy consumption of the existing backwash filter.
Disclosure of Invention
The utility model provides a novel backwash filter, which solves the problem that the manufacturing cost and the working energy consumption of the existing backwash filter are higher.
The utility model discloses an adopt following technical scheme to realize:
a novel backwashing filter comprises a shell, a filter screen, a supporting seat, two thrust bearings, a rotary spray rod, a bearing gland, a liquid inlet pipe, a liquid outlet pipe, a flushing pipe and a drain pipe;
the shell is of a cylindrical structure, and the upper end and the lower end of the shell are both provided with end walls; the center of the upper end wall of the shell is provided with an upper assembling hole in a through way; the center of the lower end wall of the shell is provided with a lower assembly hole in a through way; a liquid inlet is formed in the middle of the side wall of the shell in a penetrating way; a sewage draining outlet is arranged at the lower part of the side wall of the shell in a through way; the filter screen is of a cylindrical structure, an opening is formed in the upper end of the filter screen, and an end wall is formed in the lower end of the filter screen; the filter screen is coaxially arranged in the shell, and the center of the lower end wall of the filter screen is provided with a liquid outlet in a through way; the supporting seat is of a cylindrical structure, and openings are formed in the upper end and the lower end of the supporting seat; the lower part of the supporting seat is fixedly arranged in the upper assembling hole in a penetrating way, and the lower end opening of the supporting seat is flush with the upper end opening of the filter screen; the middle part of the side wall of the supporting seat is provided with a flushing port in a through way; an annular supporting boss extends from the lower part of the inner side wall of the supporting seat;
the rotary spray rod is of a cylindrical structure, and the upper end and the lower end of the rotary spray rod are provided with end walls; the upper part of the rotary spray rod is rotatably supported in the supporting seat through two thrust bearings, and the thrust bearing which is positioned at the lower part is supported on the annular supporting boss; an annular positioning boss extends from the upper part of the outer side wall of the rotary spray rod and is positioned between the two thrust bearings; the outer side wall of the annular positioning boss is in running fit with the inner side wall of the supporting seat, and an annular drainage groove communicated with the flushing port is formed in the outer side wall of the annular positioning boss along the circumferential direction; a pair of symmetrical radial drainage holes are formed between the bottom of the annular drainage groove and the inner side wall of the rotary spray rod in a penetrating manner; the side wall of the rotary spray rod is provided with a plurality of pairs of tangential spray holes which are arranged from top to bottom at equal intervals in a penetrating way; each pair of tangential spray holes is centrosymmetric about the axis of the rotary spray rod; each pair of tangential injection holes are positioned in the filter screen; the bearing gland is covered on the upper end opening of the supporting seat, and the bearing gland is tightly pressed on the thrust bearing which is close to the upper part;
the end orifice of the liquid inlet pipe is communicated with the liquid inlet; the liquid outlet pipe is fixedly arranged in the lower assembling hole in a penetrating way, and a pipe orifice at the head end of the liquid outlet pipe is communicated with the liquid outlet; a liquid outlet valve is arranged at the end pipe orifice of the liquid outlet pipe; the end orifice of the flushing pipe is communicated with the flushing port; the pipe orifice at the head end of the sewage discharge pipe is communicated with the sewage discharge port; a drain valve is arranged at the pipe orifice at the tail end of the drain pipe.
The specific working process comprises the following steps: firstly, forward filtering: first, the blowoff valve is closed, and the liquid outlet valve is opened. Then, the liquid to be filtered enters the shell through the liquid inlet pipe and the liquid inlet in sequence and is filtered by the filter screen (the filtered impurities are attached to the outer side wall of the filter screen). The filtered liquid enters the filter screen and is discharged through the liquid outlet, the liquid outlet pipe and the liquid outlet valve in sequence, so that forward filtering is realized. Secondly, back flushing: firstly, the liquid outlet valve is closed, and the drain valve is opened. Then, the high-pressure liquid enters the rotary spray rod through the flushing pipe, the flushing port, the annular drainage groove and the pair of radial drainage holes in sequence and is sprayed outwards through each pair of tangential spray holes. Under the action of the jet reverse thrust, the rotary spray rod rotates and forms rotary jet, so that impurities attached to the outer side wall of the filter screen are rotationally washed (sewage after washing is discharged through a sewage discharge port, a sewage discharge pipe and a sewage discharge valve in sequence), and reverse washing is realized.
Based on above-mentioned process, compare with current back flush filter, a novel back flush filter need not to be equipped with motor and controlling means, and only need utilize the jet thrust of high-pressure liquid to promote rotatory spray lance and rotate and can realize the backwash, not only effectively simplified the structure from this, need not to consume the electric energy moreover to effectively reduced manufacturing cost on the one hand, on the other hand has effectively reduced the work energy consumption.
The utility model discloses rational in infrastructure, design benefit have effectively solved the higher problem of current back flush filter manufacturing cost and work energy consumption, are applicable to fields such as metallurgy, chemical industry, oil, papermaking, medicine.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the rotary spray rod of the present invention.
Fig. 3 is a sectional view a-a of fig. 2.
In the figure: 1-shell, 2-filter screen, 3-support seat, 4-thrust bearing, 5-rotary spray rod, 6-bearing gland, 7-liquid inlet pipe, 8-liquid outlet pipe, 9-flushing pipe, 10-blow-off pipe, 11-annular drainage groove, 12-radial drainage hole, 13-tangential injection hole, 14-liquid outlet valve, 15-blow-off valve and 16-sealing ring.
Detailed Description
A novel backwashing filter comprises a shell 1, a filter screen 2, a supporting seat 3, two thrust bearings 4, a rotary spray rod 5, a bearing gland 6, a liquid inlet pipe 7, a liquid outlet pipe 8, a flushing pipe 9 and a drain pipe 10;
the shell 1 is of a cylindrical structure, and the upper end and the lower end of the shell 1 are provided with end walls; the center of the upper end wall of the shell 1 is provided with an upper assembling hole in a through way; the center of the lower end wall of the shell 1 is provided with a lower assembly hole in a through way; a liquid inlet is formed in the middle of the side wall of the shell 1 in a penetrating way; a sewage draining outlet is arranged at the lower part of the side wall of the shell 1 in a through way; the filter screen 2 is of a cylindrical structure, an opening is formed in the upper end of the filter screen 2, and an end wall is formed in the lower end of the filter screen; the filter screen 2 is coaxially arranged in the shell 1, and a liquid outlet is formed in the center of the lower end wall of the filter screen 2 in a penetrating manner; the supporting seat 3 is of a cylindrical structure, and openings are formed in the upper end and the lower end of the supporting seat 3; the lower part of the supporting seat 3 is fixedly arranged in the upper assembling hole in a penetrating way, and the lower end opening of the supporting seat 3 is flush with the upper end opening of the filter screen 2; the middle part of the side wall of the supporting seat 3 is provided with a flushing port in a through way; an annular supporting boss extends from the lower part of the inner side wall of the supporting seat 3;
the rotary spray rod 5 is of a cylindrical structure, and the upper end and the lower end of the rotary spray rod 5 are both provided with end walls; the upper part of the rotary spray rod 5 is rotatably supported in the supporting seat 3 through two thrust bearings 4, and the thrust bearing 4 which is positioned at the lower part is supported on the annular supporting boss; an annular positioning boss extends from the upper part of the outer side wall of the rotary spray rod 5 and is positioned between the two thrust bearings 4; the outer side wall of the annular positioning boss is in running fit with the inner side wall of the supporting seat 3, and an annular drainage groove 11 communicated with the flushing port is formed in the outer side wall of the annular positioning boss along the circumferential direction; a pair of symmetrical radial drainage holes 12 are formed between the bottom of the annular drainage groove 11 and the inner side wall of the rotary spray rod 5 in a penetrating manner; the side wall of the rotary spray rod 5 is provided with a plurality of pairs of tangential spray holes 13 which are arranged from top to bottom at equal intervals in a penetrating way; each pair of tangential injection holes 13 is centrosymmetric about the axis of the rotary spray bar 5; each pair of tangential injection holes 13 is positioned in the filter screen 2; the bearing gland 6 is sealed on the upper end opening of the supporting seat 3, and the bearing gland 6 tightly presses the thrust bearing 4 which is close to the upper part;
the end orifice of the liquid inlet pipe 7 is communicated with the liquid inlet; the liquid outlet pipe 8 is fixedly arranged in the lower assembling hole in a penetrating way, and a pipe orifice at the head end of the liquid outlet pipe 8 is communicated with the liquid outlet; a liquid outlet valve 14 is arranged at the end pipe orifice of the liquid outlet pipe 8; the end orifice of the flushing pipe 9 is communicated with the flushing port; the orifice at the head end of the sewage discharge pipe 10 is communicated with a sewage discharge port; the end orifice of the sewage draining pipe 10 is provided with a sewage draining valve 15.
Two sealing rings 16 are arranged between the outer side wall of the annular positioning boss and the inner side wall of the supporting seat 3, and the two sealing rings 16 are respectively positioned at the upper side and the lower side of the annular drainage groove 11.
The upper end of the inner side wall of the supporting seat 3 is provided with an internal thread; the side wall of the bearing gland 6 is provided with an external thread matched with the internal thread.
The liquid outlet pipe 8 is of an L-shaped structure, and the upper part of the vertical section of the liquid outlet pipe 8 is fixedly arranged in the lower assembling hole in a penetrating manner.
The liquid outlet valve 14 and the drain valve 15 both adopt stop valves.
Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are all within the scope of the invention.
Claims (5)
1. The utility model provides a novel back flush filter which characterized in that: comprises a shell (1), a filter screen (2), a supporting seat (3), two thrust bearings (4), a rotary spray rod (5), a bearing gland (6), a liquid inlet pipe (7), a liquid outlet pipe (8), a flushing pipe (9) and a sewage discharge pipe (10);
the shell (1) is of a cylindrical structure, and the upper end and the lower end of the shell (1) are provided with end walls; the center of the upper end wall of the shell (1) is provided with an upper assembling hole in a through way; the center of the lower end wall of the shell (1) is provided with a lower assembly hole in a through way; a liquid inlet is formed in the middle of the side wall of the shell (1) in a through manner; a sewage draining outlet is arranged at the lower part of the side wall of the shell (1) in a run-through way; the filter screen (2) is of a cylindrical structure, an opening is formed in the upper end of the filter screen (2), and an end wall is formed in the lower end of the filter screen; the filter screen (2) is coaxially arranged in the shell (1), and a liquid outlet is formed in the center of the lower end wall of the filter screen (2) in a through mode; the supporting seat (3) is of a cylindrical structure, and openings are formed in the upper end and the lower end of the supporting seat (3); the lower part of the supporting seat (3) is fixedly arranged in the upper assembling hole in a penetrating way, and the lower end opening of the supporting seat (3) is flush with the upper end opening of the filter screen (2); the middle part of the side wall of the supporting seat (3) is provided with a flushing port in a through way; an annular supporting boss extends from the lower part of the inner side wall of the supporting seat (3);
the rotary spray rod (5) is of a cylindrical structure, and the upper end and the lower end of the rotary spray rod (5) are provided with end walls; the upper part of the rotary spray rod (5) is rotatably supported in the supporting seat (3) through two thrust bearings (4), and the thrust bearing (4) which is positioned at the lower part is supported on the annular supporting boss; an annular positioning boss extends from the upper part of the outer side wall of the rotary spray rod (5), and the annular positioning boss is positioned between the two thrust bearings (4); the outer side wall of the annular positioning boss is in running fit with the inner side wall of the supporting seat (3), and an annular drainage groove (11) communicated with the flushing port is formed in the outer side wall of the annular positioning boss along the circumferential direction; a pair of symmetrical radial drainage holes (12) are formed between the bottom of the annular drainage groove (11) and the inner side wall of the rotary spray rod (5); the side wall of the rotary spray rod (5) is provided with a plurality of pairs of tangential spray holes (13) which are arranged equidistantly from top to bottom in a penetrating way; each pair of tangential injection holes (13) is centrosymmetric with respect to the axis of the rotary spray rod (5); each pair of tangential injection holes (13) is positioned in the filter screen (2); the bearing gland (6) is covered on the upper end opening of the supporting seat (3), and the bearing gland (6) is tightly pressed on the thrust bearing (4);
the end orifice of the liquid inlet pipe (7) is communicated with the liquid inlet; the liquid outlet pipe (8) is fixedly arranged in the lower assembling hole in a penetrating way, and the head end pipe orifice of the liquid outlet pipe (8) is communicated with the liquid outlet; a liquid outlet valve (14) is arranged at the end pipe orifice of the liquid outlet pipe (8); the end orifice of the flushing pipe (9) is communicated with the flushing port; the head end pipe orifice of the sewage discharge pipe (10) is communicated with the sewage discharge port; a drain valve (15) is arranged at the end pipe orifice of the drain pipe (10).
2. The novel backwash filter as claimed in claim 1, wherein: two sealing rings (16) are arranged between the outer side wall of the annular positioning boss and the inner side wall of the supporting seat (3), and the two sealing rings (16) are respectively positioned at the upper side and the lower side of the annular drainage groove (11).
3. The novel backwash filter as claimed in claim 1, wherein: the upper end of the inner side wall of the supporting seat (3) is provided with an internal thread; and the side wall of the bearing gland (6) is provided with an external thread matched with the internal thread.
4. The novel backwash filter as claimed in claim 1, wherein: the liquid outlet pipe (8) is of an L-shaped structure, and the upper part of the vertical section of the liquid outlet pipe (8) is fixedly arranged in the lower assembling hole in a penetrating manner.
5. The novel backwash filter as claimed in claim 1, wherein: the liquid outlet valve (14) and the sewage discharge valve (15) both adopt stop valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121730769.0U CN215137393U (en) | 2021-07-28 | 2021-07-28 | Novel backwashing filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121730769.0U CN215137393U (en) | 2021-07-28 | 2021-07-28 | Novel backwashing filter |
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| Publication Number | Publication Date |
|---|---|
| CN215137393U true CN215137393U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121730769.0U Active CN215137393U (en) | 2021-07-28 | 2021-07-28 | Novel backwashing filter |
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| Country | Link |
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| CN (1) | CN215137393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115475435A (en) * | 2022-09-27 | 2022-12-16 | 云南师范大学 | Dairy products production pair filter equipment |
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2021
- 2021-07-28 CN CN202121730769.0U patent/CN215137393U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115475435A (en) * | 2022-09-27 | 2022-12-16 | 云南师范大学 | Dairy products production pair filter equipment |
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