CN209848432U - Coal mine underground dustproof water supply pipeline backwashing filtering structure - Google Patents
Coal mine underground dustproof water supply pipeline backwashing filtering structure Download PDFInfo
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- CN209848432U CN209848432U CN201920541539.6U CN201920541539U CN209848432U CN 209848432 U CN209848432 U CN 209848432U CN 201920541539 U CN201920541539 U CN 201920541539U CN 209848432 U CN209848432 U CN 209848432U
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- filter
- back flush
- filter screen
- backwashing
- passageway
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Abstract
The utility model discloses colliery is dustproof supply channel back flush filtration in pit discloses one kind can carry out the back flush to the filter screen, and is convenient for dismantle clear filtration to the filter screen. The structure is simple, the installation is convenient and simple, and the device can be flexibly used on medium and small pipeline water systems. The filter is characterized in that the two fixed lantern rings are arranged on the filter respectively and are parallel to each other, the filter consists of a first backwashing handle, a second backwashing handle, a first filter screen, a connecting shaft, a second filter screen, a rotary valve, a screw joint block, a sealing ring and a filter shell, the outer rings of the filter shell and the two fixed lantern rings are connected, a U-shaped backwashing channel is arranged in the filter shell, a circulation channel is arranged in the filter shell and transversely penetrates through the filter shell, two ends of the U-shaped backwashing channel are communicated with the circulation channel respectively, the rotary valves are arranged at two end ports of the U-shaped backwashing channel respectively, and the rotary valves are connected with the filter shell through the connecting shaft.
Description
Technical Field
The utility model discloses colliery is anti-dust water supply pipe back flush filtration in pit relates to a colliery is anti-flush filtration on the dustproof water supply pipe in pit, belongs to the mine equipment field. In particular to a filtering structure which can back flush a filter screen and is convenient for disassembling and cleaning the filter screen.
Background
According to the requirements of ' standardization of safe production of coal mines ', ' at least 2 air flow purification water curtains are arranged on a return airway of a mining working face ', the purification water curtains and spraying devices in other places accord with AQ 1020 regulations ', and according to the field use condition, the phenomena of blockage, non-atomization or poor atomization effect and the like of nozzles of the purification water curtains are frequently generated, the main reason is that 108mm steel pipes are adopted for supplying water for dustproof water supply pipelines, a large amount of iron rust slag can be generated in the pipelines after long-term use, so that the spraying is easy to block, the use effect is poor, the overhaul and maintenance are frequent, a specially-assigned person needs to be assigned for maintenance every day, and the nozzle is frequently.
Notice No. CN203303735U discloses a mine dustproof pipeline back flush filter equipment, it includes the filtration sedimentation pipe of a vertical installation, the middle part is equipped with the filter screen in the filtration sedimentation pipe, be equipped with water outlet, be equipped with one section inlet tube and water inlet below the filter screen, the sewage valve is installed to the bottom of filtering the sedimentation pipe, a back flush pipe is connected between inlet tube and the filtration sedimentation pipe top, be equipped with first control flap on the back flush pipe, be equipped with second control flap on the inlet tube, the device's filter screen is in inside the filtration sedimentation pipe, it is inconvenient to take out it and clear up.
Publication number CN104014186A discloses a backwash filter system, which comprises a filter device and a backwash device arranged on the filter device; the filtering device comprises a main water outlet pipe, a first valve, a filter and a second valve which are sequentially arranged on the main water outlet pipe; the filter device is provided with a water inlet and a water outlet, the first valve is close to the water inlet, and the second valve is close to the water outlet; the backwashing device comprises a connecting pipe, a third valve connected to the connecting pipe and a drain valve connected between the filter and the first valve; one end of the connecting pipe is connected to the main water outlet pipe and located between the water inlet of the main water outlet pipe and the first valve, and the other end of the connecting pipe is connected between the filter and the second valve.
Disclosure of Invention
In order to improve the condition, the utility model discloses colliery is dustproof supply channel back flush filtration in pit provides one kind and can carry out the back flush to the filter screen, and is convenient for dismantle clear filtration to the filter screen. The structure is simple, the installation is convenient and simple, and the device can be flexibly used on medium and small pipeline water systems.
The utility model discloses colliery is dustproof supply channel back flush filtration in pit is realized like this: the utility model discloses coal mine underground dustproof water supply pipeline backwashing filter structure comprises blowoff valve, impurity discharge hose, fixed lantern ring, connecting block, water inlet hose, connector, water outlet hose and filter, two fixed lantern rings are respectively arranged on the filter and are parallel to each other, the filter comprises a backwashing handle, a backwashing handle II, a filter screen I, a connecting shaft, a filter screen II, a rotary valve, a screw joint block, a sealing ring and a filter shell, the filter shell is connected with the outer rings of the two fixed lantern rings, a U-shaped backwashing channel is arranged in the filter shell, a circulating channel is arranged in the filter shell and transversely penetrates through the filter shell, two ends of the U-shaped backwashing channel are respectively communicated with the circulating channel, rotary valves are respectively arranged at the two end ports of the U-shaped backwashing channel, the rotary valves are connected with the filter shell through the connecting shaft, the first backwashing handle and the second backwashing handle are respectively positioned outside the filter shell, one end of the first backwashing handle is connected with a connecting shaft on a rotary valve at one end of the U-shaped backwashing channel, one end of the second backwashing handle is connected with a connecting shaft on a rotary valve at the other end of the U-shaped backwashing channel, two screw blocks are respectively arranged on the filter shell in a screw joint mode, a first filter screen and a second filter screen are respectively arranged at one end of the two screw blocks and are respectively positioned in the circulation channel, the mesh number of the first filter screen is smaller than that of the second filter screen, a sealing ring is arranged between the screw blocks and the filter shell, one end of a water inlet hose is arranged on one side of the filter shell through a connecting head and is communicated with one end of the circulation channel, one end of the U-shaped backwashing channel is positioned between the first filter screen and the water inlet hose, one end of a water, the connecting block is arranged at the top of the filter shell, a communicating groove is arranged in the connecting block, the bottom end of the communicating groove extends downwards to the filter shell and is communicated with the circulating channel, the communicating groove is arranged between the first filter screen and the second filter screen, a branch channel is arranged on the communicating groove, one end of the branch channel is arranged between the first filter screen and one end of the U-shaped backwashing channel, one end of the impurity discharge hose is arranged on the connecting block and is communicated with the communicating groove, and a blow-down valve is arranged on the impurity discharge hose;
furthermore, the fixed lantern ring comprises two semicircle rings, and two semicircle ring one ends are articulated mutually, and two semicircle ring other ends are pegged graft through inserted block and friction cover, inserted block and friction cover are arranged in respectively on two semicircle ring other ends, the semicircle ring other end is put the magnetic sheet.
Has the beneficial effects.
The water quality problem of the purified water curtain is greatly improved, the spray atomization effect is improved, and the nozzle replacement frequency is reduced.
And the filter screen is convenient to replace and clean due to a detachable filter screen structure.
And thirdly, the structure is simple, the installation is convenient and simple, and the device can be flexibly used on medium and small pipeline water systems.
Drawings
FIG. 1 is a three-dimensional structure diagram of a coal mine underground dustproof water supply pipeline backwashing filter structure of the utility model;
FIG. 2 is a schematic structural view of the anti-washing filtering structure of the coal mine underground dustproof water supply pipeline of the utility model;
FIG. 3 is a rear view of the coal mine underground dustproof water supply pipeline backwashing filter structure of the present invention, which shows the back structure after the steel pipes are removed;
FIG. 4 is a schematic structural view of the coal mine underground dustproof water supply pipeline backwashing filter structure during backwashing;
FIG. 5 is a three-dimensional structure diagram of the screw joint of the anti-dust water supply pipeline back-flushing filter structure under coal mine of the utility model;
fig. 6 is a schematic structural view of an embodiment 2 of the coal mine underground dustproof water supply pipeline backwashing filter structure of the present invention, which is only a structural change of the fixed lantern ring;
in the attached drawings
Wherein the method comprises the following steps: the device comprises a steel pipe (1), a blow-down valve (2), an impurity discharge hose (3), a fixed sleeve ring (4), a connecting block (5), a water inlet hose (6), a first backwashing handle (7), a second backwashing handle (8), a connecting head (9), a water outlet hose (10), a first filter screen (11), a connecting shaft (12), a second filter screen (13), a rotary valve (14), a screw connecting block (15), a sealing ring (16), an inserting block (17), a magnetic sheet (18), a friction sleeve (19), a filter (20) and a filter shell (21).
The specific implementation mode is as follows:
example 1:
the utility model discloses coal mine underground dustproof water supply pipeline backwashing filter structure is realized like this, by blowoff valve (2), arrange impurity hose (3), the fixed lantern ring (4), connecting block (5), water inlet hose (6), connector (9), go out water hose (10) and filter (20) and constitute, two fixed lantern rings (4) are arranged respectively on filter (20), and are parallel to each other, filter (20) comprises back flush handle (7) No. one, back flush handle (8) No. two, filter screen (11) No. one, connecting axle (12), filter screen No. two (13), rotary valve (14), spiro union piece (15), sealing washer (16) and filter casing (21), filter casing (21) and the outer lane of two fixed lantern rings (4) are connected, filter casing (21) embeds there is U type back flush passageway, filter casing (21) embeds there is the circulation passageway, the filter is characterized in that the filter transversely penetrates through a filter shell (21), two ends of a U-shaped backwashing channel are respectively communicated with a circulation channel, two end ports of the U-shaped backwashing channel are respectively provided with a rotary valve (14), the rotary valve (14) is connected with the filter shell (21) through a connecting shaft (12), a first backwashing handle (7) and a second backwashing handle (8) are respectively positioned outside the filter shell (21), one end of the first backwashing handle (7) is connected with the connecting shaft (12) on the rotary valve (14) at one end of the U-shaped backwashing channel, one end of the second backwashing handle (8) is connected with the connecting shaft (12) on the rotary valve (14) at the other end of the U-shaped backwashing channel, two connecting shafts (15) are respectively arranged on the filter shell (21) in a threaded manner, a first filter screen (11) and a second filter screen (13) are respectively arranged at one ends of the two connecting shafts (15), and are located the circulation passageway respectively, the mesh number of a filter screen (11) is less than the mesh number of No. two filter screens (13), sealing washer (16) have been put between spiro union piece (15) and filter casing (21), and filter casing (21) one side is arranged in through connector (9) to water hose (6) one end, and is linked together with circulation passageway one end, U type back flush passageway one end is located between filter screen (11) and water hose (6), and filter casing (21) opposite side is arranged in through connector (9) to water hose (10) one end, and is linked together with the circulation passageway other end, the U type back flush passageway other end is located between No. two filter screens (13) and the water hose (10) other end, and filter casing (21) top is arranged in to connecting block (5), the built-in connecting block (5) has the intercommunication groove, the intercommunication tank bottom end extends downwards to on filter casing (21), the connecting groove is positioned between the first filter screen (11) and the second filter screen (13), a branch channel is arranged on the connecting groove, one end of the branch channel is positioned between the first filter screen (11) and one end of the U-shaped backflushing channel, one end of the impurity discharging hose (3) is arranged on the connecting block (5) and is communicated with the connecting groove, and a drain valve (2) is arranged on the impurity discharging hose (3);
when the water supply device is used, in an initial state, two ends of a U-shaped backwashing channel are sealed by rotary valves (14) on a first backwashing handle (7) and a second backwashing handle (8), the communicating channel is not communicated with the U-shaped backwashing channel, firstly, two fixing lantern rings (4) are respectively sleeved on a water supply pipeline steel pipe (1), a water inlet hose (6) is connected with the water supply pipeline, a water outlet hose (10) is connected with a purified water curtain nozzle pipeline, water flows into the circulating channel from the water inlet hose (6), then, after double-layer filtering is carried out by a first filter screen (11) and a second filter screen (13) in sequence, iron rust in water is blocked, and filtered clean water is discharged from the water outlet hose (10) and enters the purified water curtain nozzle pipeline;
when the water supply of the filtering device is insufficient, the first backwashing handle (7) and the second backwashing handle (8) are manually operated to rotate, two rotary valves (14) are controlled to rotate by 90 degrees to open two ends of a U-shaped backwashing channel, at the moment, water flows into the U-shaped backwashing channel through a water inlet hose (6), then flows between the two rotary valves (14) in a circulation channel, and flows from a second filter screen (13) to a first filter screen (11), then the second filter screen (13) and the first filter screen (11) are reversely washed, and the washed water moves the washed impurities to flow into an impurity discharging hose (3) from a communication groove and a branch channel, and then the impurities are discharged to the outside;
the screw joint block (15) connected with the first filter screen (11) and the second filter screen (13) can be rotatably disassembled, and the first filter screen (11) and the second filter screen can be manually cleaned every week to ensure the filter effect of the screens;
example 2:
the difference between this example and example 1 is: the fixed lantern ring (4) consists of two semicircular rings, one ends of the two semicircular rings are hinged, the other ends of the two semicircular rings are inserted into the friction sleeve (19) through an insertion block (17), the insertion block (17) and the friction sleeve (19) are respectively arranged at the other ends of the two semicircular rings, and magnetic sheets (18) are arranged at the other ends of the semicircular rings; when the magnetic sheet fixing device is used, a person can conveniently install or detach the magnetic sheet fixing device, and the magnetic sheet (18) can fix the fixing lantern ring (4) on the steel pipe (1) in an adsorbing mode;
the mesh number of the first filter screen (11) is smaller than that of the second filter screen (13), the first filter screen (11) is subjected to preliminary filtration, and the second filter screen (13) is subjected to further refined filtration, so that the filtration effect is better;
a sealing ring (16) is arranged between the screw joint block (15) and the filter shell (21), so that the sealing effect at the screw joint block (15) is improved, and water leakage is sealed;
the purposes of backwashing the filter screen and conveniently disassembling and cleaning the filter screen are achieved.
The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.
It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (5)
1. The utility model provides a colliery is anti-dust water supply pipeline back flush filtration in pit which characterized by: by blowoff valve, arrange impurity hose, fixed lantern ring, connecting block, water inlet hose, connector, play water hose and filter and constitute, two fixed lantern rings are arranged respectively in on the filter, and are parallel to each other, the filter comprises back flush handle, No. two back flush handles, a filter screen, connecting axle, No. two filter screens, rotary valve, spiral shell splice block, sealing washer and filter casing, the outer lane of filter casing and two fixed lantern rings is connected, the filter casing embeds there is U type back flush passageway, the filter casing embeds there is the circulation passageway, and transversely runs through the filter casing, the both ends of U type back flush passageway are linked together with the circulation passageway respectively, rotary valve has been put respectively to the both ends port of U type back flush passageway, rotary valve is connected with the filter casing through the connecting axle, back flush handle and No. two back flush handles are located outside the filter casing respectively, the connecting shaft on the rotary valve of back flush handle one end and U type back flush passageway one end is connected, the connecting shaft on the rotary valve of back flush handle one end and the U type back flush passageway other end is connected, two spiro union pieces are spiro union respectively and are arranged on the filter casing, a filter screen and No. two filter screens are arranged in two spiro union piece one ends respectively, and lie in the circulation passageway respectively, intake hose one end is arranged in filter casing one side through the connector, and is linked together with circulation passageway one end, U type back flush passageway one end is located between filter screen and the intake hose, and outlet hose one end is arranged in filter casing opposite side through the connector, and is linked together with the circulation passageway other end, the U type back flush passageway other end is located between No. two filter screens and the outlet hose other end, and the connecting block is arranged at the top of the filter casing, the connecting block is, the bottom end of the communicating groove extends downwards to the filter shell and is communicated with the circulating channel, the communicating groove is located between the first filter screen and the second filter screen, a branch channel is arranged on the communicating groove, one end of the branch channel is located between the first filter screen and one end of the U-shaped backflushing channel, one end of the impurity discharging hose is arranged on the connecting block and is communicated with the communicating groove, and a drain valve is arranged on the impurity discharging hose.
2. The backwashing filtering structure of the dustproof water supply pipeline in the underground coal mine according to claim 1, wherein the fixed lantern ring is composed of two semicircular rings, one ends of the two semicircular rings are hinged, the other ends of the two semicircular rings are inserted into the friction sleeve through an insertion block, and the insertion block and the friction sleeve are respectively arranged at the other ends of the two semicircular rings.
3. The backwashing filtering structure of the dustproof water supply pipeline in the coal mine according to claim 2, wherein a magnetic sheet is arranged at the other end of the semicircular ring.
4. The backwashing filtering structure of the dustproof water supply pipeline in the underground coal mine according to claim 1, wherein the mesh number of the first filter screen is smaller than that of the second filter screen.
5. The backwashing filtering structure of the dustproof water supply pipeline in the underground coal mine according to claim 1, wherein a sealing ring is arranged between the screw connection block and the filter shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920541539.6U CN209848432U (en) | 2019-04-20 | 2019-04-20 | Coal mine underground dustproof water supply pipeline backwashing filtering structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920541539.6U CN209848432U (en) | 2019-04-20 | 2019-04-20 | Coal mine underground dustproof water supply pipeline backwashing filtering structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209848432U true CN209848432U (en) | 2019-12-27 |
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ID=68938349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920541539.6U Expired - Fee Related CN209848432U (en) | 2019-04-20 | 2019-04-20 | Coal mine underground dustproof water supply pipeline backwashing filtering structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209848432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457894A (en) * | 2022-01-20 | 2022-05-10 | 安徽省皖北煤电集团临汾天煜恒昇煤业有限责任公司 | Multistage filtering structure for coal mine control water drainage pipeline |
-
2019
- 2019-04-20 CN CN201920541539.6U patent/CN209848432U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457894A (en) * | 2022-01-20 | 2022-05-10 | 安徽省皖北煤电集团临汾天煜恒昇煤业有限责任公司 | Multistage filtering structure for coal mine control water drainage pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 Termination date: 20210420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |