CN111691911B - Coal mine excavation working face wind current atomization device - Google Patents
Coal mine excavation working face wind current atomization device Download PDFInfo
- Publication number
- CN111691911B CN111691911B CN202010638176.5A CN202010638176A CN111691911B CN 111691911 B CN111691911 B CN 111691911B CN 202010638176 A CN202010638176 A CN 202010638176A CN 111691911 B CN111691911 B CN 111691911B
- Authority
- CN
- China
- Prior art keywords
- way
- spraying
- pipe
- fluid pipe
- side fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000889 atomisation Methods 0.000 title claims abstract description 14
- 239000003245 coal Substances 0.000 title claims description 24
- 238000009412 basement excavation Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 239000012530 fluid Substances 0.000 claims abstract description 67
- 239000007921 spray Substances 0.000 claims abstract description 58
- 238000005507 spraying Methods 0.000 claims abstract description 53
- 239000000428 dust Substances 0.000 claims abstract description 42
- 238000003860 storage Methods 0.000 claims abstract description 37
- 230000000694 effects Effects 0.000 claims abstract description 23
- 239000003595 mist Substances 0.000 claims description 47
- 239000007788 liquid Substances 0.000 claims description 12
- 238000005065 mining Methods 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000005086 pumping Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000005121 nitriding Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 241000196171 Hydrodictyon reticulatum Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The invention discloses an atomization device for covering type spraying of spraying dead angles and improving the covering and sealing effects of spraying dust fall by staggered spraying of a two-way spray head and a one-way spray head, which is characterized in that two side fluid pipes are fixed on a water storage tank, the side fluid pipes are arc pipes, two ends of each side fluid pipe are respectively close to two ends of the water storage tank, a middle fluid pipe is arranged on the water storage tank, the middle fluid pipe is an arc pipe, the middle fluid pipe corresponds to the side fluid pipes, a plurality of two-way spray heads are arranged on the middle fluid pipe at equal angles, the calibers of the two-way spray heads are gradually reduced along with the increase of the height, a plurality of one-way spray heads staggered with the two-way spray heads are arranged on the side fluid pipe at equal angles, and the calibers of the one-way spray heads are gradually reduced along with the increase of the height, the one-way spray head faces the arc center direction of the middle fluid pipe, and the water storage tank is provided with a plurality of flow guide holes.
Description
Technical Field
The invention discloses air flow atomization equipment for a coal mine excavation working face, relates to equipment for carrying out atomization dust fall on the coal mine excavation working face, and belongs to the field of coal mine equipment. In particular to atomizing equipment which carries out covering type spraying on spraying dead corners through staggered spraying of a bidirectional spraying head and a unidirectional spraying head and improves the covering and sealing effects of spraying dust fall.
Background
Can produce a large amount of dust pollution at the colliery in-process of digging, cause the influence to the operational environment, also cause the threat to operation personnel's life health simultaneously, and at present to the dustproof dust fall measure of colliery working face department continuously spray with this formation water curtain to carry out the purification filtration to the dust air through the spray nozzle, but its spraying orbit of spray nozzle is fan-shaped scattering shape, the water smoke area that is close to spray nozzle department is little, coverage is narrow, and in addition the interval distribution between the shower nozzle, lead to near having the spraying dead angle near the shower nozzle position between the shower nozzle, lead to dust air to reveal from the dead angle that covers, current atomizing water curtain dust fall method simultaneously, its spun water smoke receives the air current influence easily and spills everywhere, lead to the water curtain shutoff purifying effect that it formed not ideal.
Notice No. CN210460735U discloses a coal mine mining working face wind current atomizing dust device, including the header tank, booster pump and air-blower, the booster pump is installed to the upside of header tank, the output of booster pump is connected with the fluid pipe, the other end of fluid pipe is connected with the fluid-discharge tube that the lower extreme stretched into the header tank inside, the outside of fluid pipe is provided with the tuber pipe, the intercommunication has a plurality of communicating pipes between tuber pipe and the fluid pipe, the inboard intercommunication of fluid-discharge tube has a plurality of foaming pipes, the output and the tuber pipe of air-blower are connected, be provided with the check valve between the output of air-blower and tuber pipe, the suction end of booster pump is connected with the suction tube, its atomising head department blowout water smoke of this dust device is fan-shaped and disperses, its shower nozzle interval department has the dead angle that is not covered by water smoke, influence its purification dust fall effect.
The notice number CN209539395U discloses a recyclable automatic spraying dust-settling device for an underground coal mine roadway; the device comprises a main body, wherein an upper cover is arranged at the upper end of the main body, and the main body is hung at the upper end of a roadway; a hanging rod used for hanging the main body on a roadway is arranged at the upper end of the upper cover, and an air inlet is formed in the bottom of the main body; the air purifier is characterized in that an L-shaped ventilation pipe is arranged on the air inlet, a fan is arranged inside the ventilation pipe, a multi-purpose spray head for removing dust from air is arranged on the upper cover, an air outlet is formed in the left side of the upper cover and used for discharging air inside the main body, a water outlet is formed in the left side of the bottom of the main body and connected with a water inlet of the purifying device through a pipeline, a water pump for supplying water to the spray head is further arranged on the purifying device, and a spraying dead angle which cannot be covered exists in the dust falling spray head of the air purifier, so that the dust air purifying effect of the air purifier is influenced.
Disclosure of Invention
In order to improve the situation, the invention provides the atomizing equipment for performing covering type spraying on a spraying dead angle and improving the covering and sealing effects of spraying dust fall by staggered spraying of the two-way spray head and the one-way spray head.
The invention relates to a coal mine excavation working face wind current atomization device which is realized as follows: the invention relates to wind flow atomizing equipment for a coal mining working face, which consists of side fluid pipes, two-way atomizing spray heads, a rotating rod, one-way atomizing spray heads, a mist catching net, a net rack, a water storage tank, a fixing rack, a booster pump, a liquid pumping pipe, a four-way pipe, a connecting pipe, a flow guide hole, a middle fluid pipe, a connecting sleeve and a filter screen, wherein two side fluid pipes are fixedly arranged on the water storage tank, the side fluid pipes are arc-shaped pipes, two ends of each side fluid pipe are respectively close to two ends of the water storage tank, the middle fluid pipe is arranged on the water storage tank, the middle fluid pipe is an arc-shaped pipe, the middle fluid pipe corresponds to the side fluid pipes, a plurality of two-way atomizing spray heads are arranged at equal angles on the middle fluid pipe, the calibers of the two-way atomizing spray heads are gradually reduced along with the increase of the height, a plurality of one-way atomizing spray heads staggered with the two-way atomizing spray heads are arranged at equal angles on the side fluid pipes, the calibers of the one-way atomizing spray heads are gradually reduced along with the increase of the height, the one-way atomising head is towards the arc center direction of middle part fluid pipe, it has a plurality of water conservancy diversion holes to open on the storage water tank, the aperture in water conservancy diversion hole is from bottom to top to increase gradually, and the one end of two dwangs is respectively through rotatable arranging in the storage water tank of adapter sleeve, the nitriding treatment is done to the adapter sleeve inner wall, torsion spring has been put between dwang and the adapter sleeve, and two racks are arranged respectively on the other end of two dwangs, and two an arc frame is pieced together to the rack, and the arc frame is located middle part fluid pipe below, and mist catching net is fixed to be arranged in on the rack, and the mount is arranged on the storage water tank, and the booster pump is arranged on the mount, the feed liquor end of booster pump is linked together through suction pipe and storage water tank, be close to suction pipe department in the storage water tank and have the filter screen, the filter screen is detachable construction, the play liquid end of booster pump is linked together with two side fluid pipes and a fluid pipe middle part respectively through four-way pipe, the mist catching net is provided with a position avoiding groove corresponding to the booster pump, and the brush hair is arranged on the mist catching net.
Advantageous effects
The spray dead angle is sprayed in a covering mode through staggered spraying of the two-way spray head and the one-way spray head, the covering sealing effect of spray dust fall is improved, and the dust fall performance is guaranteed.
And secondly, the water mist is matched with a mist catching net to avoid the influence of the interference of the underground ventilation air flow on a water mist water curtain.
And thirdly, the mist catching net is designed to improve the function of purifying air dust.
Fourthly, the spraying water can be recycled, and the environment is protected and saved.
Drawings
FIG. 1 is a schematic structural view of an air flow atomizing apparatus for a coal mining face according to the present invention;
FIG. 2 is a left side view of a coal mining face air stream atomizing apparatus of the present invention;
FIG. 3 is a schematic structural diagram of a water storage tank of the air flow atomization equipment for the coal mining working face of the invention.
In the attached drawings
Wherein the method comprises the following steps: the device comprises a side fluid pipe (1), a two-way spray head (2), a rotating rod (3), a one-way spray head (4), a mist catching net (5), a net rack (6), a water storage tank (7), a fixing frame (8), a booster pump (9), a liquid pumping pipe (10), a four-way pipe (11), a connecting pipe (12), a flow guide hole (13), a middle fluid pipe (14), a connecting sleeve (15) and a filter screen (16).
The specific implementation mode is as follows:
the invention relates to a coal mine excavation working face wind current atomization device which is realized as follows: the invention relates to air flow atomizing equipment for a coal mining working face, which consists of side fluid pipes (1), a two-way atomizing spray head (2), a rotating rod (3), a one-way atomizing spray head (4), a mist catching net (5), a net rack (6), a water storage tank (7), a fixing frame (8), a booster pump (9), a liquid pumping pipe (10), a four-way pipe (11), a connecting pipe (12), a flow guide hole (13), a middle fluid pipe (14), a connecting sleeve (15) and a filter screen (16), wherein the two side fluid pipes (1) are fixedly arranged on the water storage tank (7), the side fluid pipes (1) are arc-shaped pipes, two ends of each side fluid pipe (1) are respectively close to two ends of the water storage tank (7), the middle fluid pipe (14) is arranged on the water storage tank (7), the middle fluid pipe (14) is an arc-shaped pipe, and the middle fluid pipe (14) corresponds to the side fluid pipes (1), the equal angle in middle part fluid pipe (14) is provided with a plurality of two-way atomising heads (2), the bore of two-way atomising head (2) reduces along with the increase of height gradually, equal angle in side fluid pipe (1) is provided with one-way atomising head (4) that a plurality of and two-way atomising head (2) stagger, the bore of one-way atomising head (4) reduces along with the increase of height gradually, one-way atomising head (4) are towards the arc center direction of middle part fluid pipe (14), it has a plurality of water conservancy diversion holes (13) to open on storage water tank (7), the aperture of water conservancy diversion hole (13) increases from bottom to top gradually, and the one end of two dwang (3) is respectively through on rotatable storage water tank (7) of arranging in of adapter sleeve (15), nitriding treatment is done to adapter sleeve (15) inner wall, set up torsional spring between dwang (3) and adapter sleeve (15), two net racks (6) are respectively arranged at the other ends of the two rotating rods (3), the two net racks (6) are spliced into an arc-shaped frame, the arc frame is positioned below the middle fluid pipe (14), the mist catching net (5) is fixedly arranged on the net frame (6), the fixed frame (8) is arranged on the water storage tank (7), the booster pump (9) is arranged on the fixed frame (8), the liquid inlet end of the booster pump (9) is communicated with the water storage tank (7) through a liquid pumping pipe (10), a filter screen (16) is arranged in the water storage tank (7) close to the liquid pumping pipe (10), the filter screen (16) is of a detachable structure, the liquid outlet end of the booster pump (9) is respectively communicated with the two side fluid pipes (1) and a middle fluid pipe (14) through a four-way pipe (11), a position avoiding groove is formed in the position, corresponding to the booster pump (9), of the mist catching net (5), and bristles are arranged on the mist catching net (5);
when the device is used, when dust fall needs to be carried out on a coal mine working surface, the device is moved to the position of a mining working surface, water is injected into a water storage tank (7), a booster pump (9) is started, a water body in the water storage tank (7) is conveyed into a side fluid pipe (1) and a middle fluid pipe (14), spraying and dust fall are carried out through a one-way spraying head (4) and a two-way spraying head (2) on the water storage tank, fan-shaped spraying is sprayed out by the one-way spraying head (4) on the side fluid pipe (1) at the moment to spray and cover dead corners covered by the spraying of the two-way spraying, the fan-shaped spraying in the two-way spraying covers the spraying dead corners of the one-way spraying head (4), the covering effect of the spraying and dust fall is improved, the influence of the dead corners on the dust fall is avoided, and the fan-shaped spraying in different directions form staggered spraying water curtains, so that the dust fall purification performance is improved; the mist catching net (5) catches and adsorbs water mist to form a water net, air and dust are purified and filtered in an auxiliary mode, the dustproof effect is improved, meanwhile, air flow can be buffered and blocked, impact interference of the air flow on the mist is avoided, the covering effect of a water curtain is guaranteed, excessive water on the mist catching net (5) flows downwards, the excessive water returns to the water storage tank (7) through the flow guide holes (13), and the excessive water is extracted by the booster pump (9) for secondary dust removal after being filtered by the filter screen (16), so that the environment-friendly effect is achieved, and the energy-saving effect is achieved;
the rotating rod (3) is rotated by 90 degrees, so that the mist catching net (5) faces the one-way atomizing spray head (4) and the two-way atomizing spray head (2), the sprayed water mist cleans the mist catching net (5), dust adhesion and blockage are avoided, and the dust removal effect is ensured;
the caliber of the two-way spray head (2) is gradually reduced along with the increase of the height, and the design that the caliber of the one-way spray head (4) is gradually reduced along with the increase of the height can be matched with the change of water pressure, so that fan-shaped water mist with uniform size is formed, and the formed water curtain is continuous and uniform;
the design that the one-way atomizing head (4) faces the arc center direction of the middle fluid pipe (14) enables the formed water mist to gather towards the direction of the mist catching net (5), and the water mist is prevented from scattering to influence the adsorption dust-settling effect;
the design that the aperture of the flow guide hole (13) is gradually increased from bottom to top increases the flow guide area, fully collects redundant water, saves energy and protects environment;
the filter screen (16) is designed to be a detachable structure, so that the subsequent detachment, cleaning or replacement is convenient;
the mist catching net (5) is provided with a position avoiding groove corresponding to the booster pump (9) to ensure the normal rotation of the mist catching net (5);
the inner wall of the connecting sleeve (15) is subjected to nitriding treatment, so that the wear resistance of the connecting sleeve (15) is improved, the service life of the connecting sleeve (15) is ensured, and the phenomenon that the mist catching net (5) is cleaned or dusted due to blockage in the movement process is avoided;
the design of bristles is arranged on the mist catching net (5), so that the contact area of the mist catching net and water mist is increased, the absorption and catching effect on the water mist is better, the contact area of the mist catching net and dust is increased, and the adhesion effect on the dust is better;
the design that a torsion spring is arranged between the rotating rod (3) and the connecting sleeve (15) can enable the mist catching net (5) to be always kept in an aligned state, the dust falling caused by deflection due to air flow impact is avoided, and when cleaning is needed, workers can overcome the action force of the torsion spring to rotate the mist catching net (5);
the design that the unidirectional spray head (4) and the bidirectional spray head (2) are in staggered distribution and matching enables fan-shaped water mist sprayed by the unidirectional spray head (4) and the bidirectional spray head (2) to be staggered with each other, so that dead corners are covered with each other, the covering effect of spray dust fall is improved, and the influence of the dead corners on the dust fall is avoided;
the mist catching net (5) is matched with the design of the one-way atomizing spray head (4), so that water mist can be caught and adsorbed to form a water net, air and dust are purified and filtered in an auxiliary manner, and the dustproof effect is improved;
the rotating rod (3) is rotated by 90 degrees, so that the mist catching net (5) faces the one-way atomizing spray head (4) and the two-way atomizing spray head (2), the sprayed water mist can clean the mist catching net (5), dust adhesion and blockage are avoided, and the dust removal effect is ensured;
fan-shaped spray is sprayed out by the one-way spray head (4) on the side fluid pipe (1) to spray and cover the spraying dead angle of the two-way spray, and meanwhile, the fan-shaped spray sprayed out by the two-way spray covers the spraying dead angle of the one-way spray head (4), so that the covering effect of spraying and dust falling can be improved, the influence of the dead angle on dust falling is avoided, and the fan-shaped sprays in different directions form staggered spray water curtains, so that the dust falling and purifying performance of the dust falling are improved;
the purpose of carrying out covering type spraying on spraying dead angles and improving the covering and sealing effects of spraying dust fall through staggered spraying of the two-way spraying head (2) and the one-way spraying head (4) is achieved.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (10)
1. The utility model provides a colliery is excavated working face wind current atomizing equipment which characterized by: comprises side fluid pipe, two-way atomising head, dwang, one-way atomising head, mist catching net, rack, storage water tank, mount, booster pump, liquid suction pipe, four-way pipe, connecting pipe, water conservancy diversion hole, middle part fluid pipe, adapter sleeve and filter screen, be fixed with two side fluid pipes on the storage water tank, the both ends of side fluid pipe are close to the both ends of storage water tank respectively, and the middle part fluid pipe is arranged in on the storage water tank, the equidistance is provided with a plurality of two-way atomising head on the middle part fluid pipe, the equidistance is provided with a plurality of and the staggered one-way atomising head of two-way atomising head on the side fluid pipe, it has a plurality of water conservancy diversion holes to open on the storage water tank, and the one end of two dwang is respectively through rotatable arranging on the storage water tank of adapter sleeve, torsion spring has been put between dwang and the adapter sleeve, and two are arranged respectively on the other end of two dwang, the rack splices into an arc frame, the arc frame is located middle part fluid pipe below, catches the fixed rack of arranging in of fog net on, the storage water tank is arranged in to the mount, on the mount was arranged in to the booster pump, the feed liquor end of booster pump is linked together through liquid suction pipe and storage water tank, be close to liquid suction pipe department in the storage water tank and have been put the filter screen, the play liquid end of booster pump is linked together with two side fluid pipes and a middle part fluid pipe respectively through the four-way pipe.
2. The coal mine excavation working face air current atomizing equipment of claim 1, characterized in that the caliber of the two-way spray head gradually decreases with the increase of the height, and the caliber of the one-way spray head gradually decreases with the increase of the height, and can be matched with the change of water pressure, so that fan-shaped water mist with uniform size is formed, and the continuous and uniform water curtain formation is ensured.
3. The coal mine excavation face airflow atomization device as claimed in claim 2, wherein the one-way spray head faces the arc-shaped center direction of the middle fluid pipe, so that formed water mist is gathered towards a mist catching net.
4. The coal mining face airflow atomization device of claim 1, wherein the diameter of the flow guide holes is gradually increased from bottom to top.
5. The coal mine excavation working face airflow atomization device according to claim 1, characterized in that the inner wall of the connecting sleeve is nitrided.
6. The coal mine excavation working face airflow atomization device as claimed in claim 1, wherein a position avoiding groove is formed in the position, corresponding to the booster pump, of the mist trapping net.
7. The coal mining working face air current atomizing equipment of claim 1, characterized in that fan-shaped spraying of the one-way atomizer head on the side fluid pipe sprays the spraying at the spraying dead angle of the two-way spraying to cover, and the design that the fan-shaped spraying of the two-way spraying covers the spraying dead angle of the one-way atomizer head can improve the covering effect of spraying dust fall, avoid appearing the dead angle and influence the dust fall, and the fan-shaped spraying of different directions forms crisscross spraying water curtain.
8. The coal mining face airflow atomization device of claim 1, wherein the filter screen is of a detachable structure.
9. The coal mine mining face airflow atomization device according to claim 6, wherein bristles are arranged on the mist catching net to increase the contact area with water mist.
10. The coal mining working face wind current atomizing equipment according to claim 1, characterized in that the side fluid pipes are arc-shaped pipes, the middle fluid pipe is an arc-shaped pipe, and the middle fluid pipe corresponds to the side fluid pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010638176.5A CN111691911B (en) | 2020-07-06 | 2020-07-06 | Coal mine excavation working face wind current atomization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010638176.5A CN111691911B (en) | 2020-07-06 | 2020-07-06 | Coal mine excavation working face wind current atomization device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111691911A CN111691911A (en) | 2020-09-22 |
| CN111691911B true CN111691911B (en) | 2022-03-08 |
Family
ID=72485295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010638176.5A Active CN111691911B (en) | 2020-07-06 | 2020-07-06 | Coal mine excavation working face wind current atomization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111691911B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228138A (en) * | 2020-09-30 | 2021-01-15 | 山东科技大学 | Dust removal device and dust removal method for coal mine coal face |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153806A (en) * | 2014-07-17 | 2014-11-19 | 山西晋城无烟煤矿业集团有限责任公司 | Dust suppression device |
| CN204672132U (en) * | 2015-05-28 | 2015-09-30 | 中国华电工程(集团)有限公司 | A kind of novel absorbent tower |
| CN206477877U (en) * | 2017-02-22 | 2017-09-08 | 重庆工程职业技术学院 | Dust prevention system for coal-face |
| CN207795297U (en) * | 2018-02-02 | 2018-08-31 | 王振龙 | A kind of distinguished and admirable atomizing dust removing device of channel of coal mining working surface |
| CN108605820A (en) * | 2018-03-08 | 2018-10-02 | 张人群 | A kind of gardens Bidirectional spray head sprinkling truck |
| CN109209467A (en) * | 2018-07-18 | 2019-01-15 | 山东大学 | A kind of full-automatic curtain dust-extraction unit in suspension type tunnel |
| CN209959283U (en) * | 2019-05-29 | 2020-01-17 | 张�杰 | Dust net is caught with spraying purification in coal mine tunnel |
| CN210217820U (en) * | 2019-08-13 | 2020-03-31 | 义马煤业集团孟津煤矿有限责任公司 | Double-control anti-spraying dust-isolating device |
| CN210460735U (en) * | 2019-07-16 | 2020-05-05 | 山西煤炭进出口集团蒲县豹子沟煤业有限公司 | Air flow atomization dust-settling device for coal mining working face |
-
2020
- 2020-07-06 CN CN202010638176.5A patent/CN111691911B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153806A (en) * | 2014-07-17 | 2014-11-19 | 山西晋城无烟煤矿业集团有限责任公司 | Dust suppression device |
| CN204672132U (en) * | 2015-05-28 | 2015-09-30 | 中国华电工程(集团)有限公司 | A kind of novel absorbent tower |
| CN206477877U (en) * | 2017-02-22 | 2017-09-08 | 重庆工程职业技术学院 | Dust prevention system for coal-face |
| CN207795297U (en) * | 2018-02-02 | 2018-08-31 | 王振龙 | A kind of distinguished and admirable atomizing dust removing device of channel of coal mining working surface |
| CN108605820A (en) * | 2018-03-08 | 2018-10-02 | 张人群 | A kind of gardens Bidirectional spray head sprinkling truck |
| CN109209467A (en) * | 2018-07-18 | 2019-01-15 | 山东大学 | A kind of full-automatic curtain dust-extraction unit in suspension type tunnel |
| CN209959283U (en) * | 2019-05-29 | 2020-01-17 | 张�杰 | Dust net is caught with spraying purification in coal mine tunnel |
| CN210460735U (en) * | 2019-07-16 | 2020-05-05 | 山西煤炭进出口集团蒲县豹子沟煤业有限公司 | Air flow atomization dust-settling device for coal mining working face |
| CN210217820U (en) * | 2019-08-13 | 2020-03-31 | 义马煤业集团孟津煤矿有限责任公司 | Double-control anti-spraying dust-isolating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111691911A (en) | 2020-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109518639A (en) | A kind of high-pressure injection clearing apparatus | |
| CN106861944A (en) | A kind of drought spray anti-blocking sprayer | |
| CN111691911B (en) | Coal mine excavation working face wind current atomization device | |
| CN111482030A (en) | Spraying dust-settling device for building construction and use method thereof | |
| CN107881967B (en) | A kind of construction ground dust device for reducing dust | |
| CN107321113A (en) | Strong magnetic atomization dedusting clarifier | |
| CN110368769A (en) | A kind of coal mine operation ventilating dust-arrester | |
| CN204656259U (en) | One is gathered dust demister | |
| CN106049334B (en) | A kind of environmental protection cleaning cart | |
| CN211796176U (en) | Anti-dripping scrubbing device for glass of public building exterior wall | |
| CN218250838U (en) | Scraping mechanism of wet electrostatic dust collector | |
| CN204898583U (en) | Pressure -vaccum formula road surface cleaning device who combines water curtain filter screen | |
| CN208564619U (en) | A kind of wet scrubber for mine down-hole working face and tunnel treating flour dust | |
| CN108852144A (en) | A kind of automatic cleaning equipment and cleaning method for glass curtain wall | |
| CN113481918B (en) | A dust fall type ground descaling machine for construction | |
| CN213159995U (en) | Dust removal and reduction device with self-rotation structure based on building construction | |
| CN211886029U (en) | Device for dedusting of drilling well | |
| CN110227304B (en) | Energy-saving environment-friendly air purification tower for filtering poplar catkins | |
| CN210814468U (en) | Dust recovery and powder cleaning explosion-proof device | |
| CN209696560U (en) | A kind of spray column with packing layer | |
| CN209574544U (en) | A kind of household small-size dust catcher | |
| CN208757181U (en) | A kind of spray column | |
| CN209271878U (en) | A kind of oscillatory type sand sieving machine | |
| CN211753517U (en) | Water film dust remover with self-cleaning mechanism | |
| CN206924586U (en) | Deduster |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |