CN203303788U - Water mist dust remover - Google Patents
Water mist dust remover Download PDFInfo
- Publication number
- CN203303788U CN203303788U CN2013201881021U CN201320188102U CN203303788U CN 203303788 U CN203303788 U CN 203303788U CN 2013201881021 U CN2013201881021 U CN 2013201881021U CN 201320188102 U CN201320188102 U CN 201320188102U CN 203303788 U CN203303788 U CN 203303788U
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- injector
- anger
- water
- circular seam
- seam type
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Abstract
The utility model discloses a water mist dust remover. The water mist dust remover comprises an annular gap type compressed air ejector, a dust removal gland, a water spraying device and a compressed air inlet, wherein an annular air chamber is formed in the side wall of the ejector, an annular gap is reserved between the dust removal gland and the compressed air ejector, the annular air chamber is communicated with an inner chamber of the ejector through the annular gap, the compressed air inlet is connected into the annular air chamber to introduce in compressed air, the water spraying device is inserted into the dust removal gland, a water spraying nozzle faces to the inner chamber of the ejector, the annular gap is positioned in front of the water spraying nozzle, after the compressed air is guided into the annular air chamber and expands, high-speed air flow is sprayed out through the annular gap to form a negative pressure area, a water supply valve is switched on, water flow and outside air enter the negative pressure area, water enters the ejector of the high-speed air flow and is mixed with the air to form water mist, and dust is adsorbed by the water mist to achieve the purpose of dust removal. The water mist dust remover disclosed by the utility model has a secondary atomization function, and is good in atomization effect and dust removal effect, portable and durable, the phenomenon of blocking the nozzle cannot occur, the water consumption is low, and the working environment cannot be damaged.
Description
[technical field]
The utility model relates to a kind of mine dust removing device, particularly a kind of mist dust remover.
[background technology]
At Coal Mining Field, exist a large amount of dust, particularly in the coal production operation process, along with the fragmentation of coal, rock can produce a large amount of dust.Dust is one of the five large disasters in colliery, when dust gathers when too much, very easily sets off an explosion, and the safety in production of mine in serious threat, thereby dust prevention and control is an important step that concerns Safety of Coal Mine Production.In addition, Mine Dust is serious harm miner healthy also, and according to Ministry of Public Health's statistics in 1999, the whole nation has Pneumoconiosis Patients just totally to reach 550,000 people, has wherein added up dead 130,000 people, case fatality rate 23.9%.By Mathematical Modeling, estimate existing 650,000 people of existing ill people, wherein the Coal Mine Pneumoconiosis disease accounts for 48%.Therefore, adopting an effective measure and control dust with dust removal installation, reduce dust concentration, is that each industrial and mining enterprises improve miner's working environment and the important process of avoiding dust hazard.At present, China industrial and mining enterprises are divided into wet dust removal, dry dust removal and chemical dedusting three major types substantially to the method for preventing and treating of dust hazard.From dust removing effects and financial cost, consider, wet dust removal is a kind of the most general method of applying at present, and particularly the application in mining is particularly evident.The main method of wet dust removal has: spray (water), spray (water) and gas, and gas-vapor mix is sprayed.First two method major defect is: one, and dust removing effects is not obvious; Its two, the destruction of a large amount of water to working environment and ature of coal.The third method, though relatively first two method dust removing effects increases, but to the harm maximum respirable dust---the dust of dust granules<10 μ (micron), dust removing effects is not obvious.Simultaneously, it is that gas, water spray from a water spout that there is maximum shortcoming in existing gas-vapor mix flusher, and the phenomenon that easily causes dust to stop up shower nozzle occurs.
[summary of the invention]
The purpose of this utility model is effectively to overcome the deficiency of above-mentioned technology, and a kind of mist dust remover is provided, and this deduster can spray atomization of water current, and by vaporific globule absorption dust granules, dust is vaporific with globule sedimentation, thereby effectively reduces dust concentration; Simultaneously, this deduster not there will be dust to stop up the phenomenon of water spout.
The technical solution of the utility model is achieved in that it comprises the air pipe joint of water pipe head, pressure port and the connection pressure port of injector, water injector, connection water injector, its improvements are: injector is the circular seam type injector of calming the anger, a calm the anger end of injector of circular seam type is inlet end, the other end is spraying end, circular seam type calm the anger the injector inner chamber from inlet end to spraying end tapered diffusion type cavity; The calm the anger inlet end of injector of circular seam type is equipped with the dedusting gland, and dedusting gland and circular seam type are calmed the anger between injector and formed a ring-shaped air chamber, between dedusting gland edge and circular seam type are calmed the anger the inlet end inner edge of injector, annulus is arranged; Pressure port is arranged at the calm the anger inlet end outside of injector of circular seam type, and pressure port is communicated with ring-shaped air chamber, and gases at high pressure are ejected into the injector inner chamber and spread from annulus through ring-shaped air chamber; Water injector stretches in the dedusting gland, and the water spout of water injector is towards the circular seam type injector inner chamber of calming the anger, and the calm the anger axis of injector inner chamber of the axis of water spout and circular seam type is concentric;
In above-mentioned mist dust remover, a side of described ring-shaped air chamber has a most described annulus in narrow cross section, and the water spout of water injector is in the calm the anger inlet end of injector of circular seam type;
In above-mentioned mist dust remover, described circular seam type is calmed the anger and is provided with sealing ring between injector and dedusting gland;
In above-mentioned mist dust remover, the calm the anger outer cup of injector and dedusting gland of described circular seam type is provided with the sleeve of protection use;
In above-mentioned mist dust remover, the calm the anger outer wall of injector of described circular seam type is provided with locating dowel, and sleeve is connected and fixed by hold-down screw and locating dowel;
In above-mentioned mist dust remover, described circular seam type is calmed the anger on injector suspension ring is installed;
In above-mentioned mist dust remover, described ring-shaped air chamber is positioned at the circular seam type wall body that injector is connected with the dedusting gland of calming the anger;
In above-mentioned mist dust remover, the coupling part of described ring-shaped air chamber and annulus is tapered configuration;
In above-mentioned mist dust remover, described ring-shaped air chamber inwall is near the curved wall body of the part of annulus, the curve wall body at the tangent line at place, annulus towards the circular seam type injector inner chamber of calming the anger;
In above-mentioned mist dust remover, be connected with elbow between described water injector and water pipe head.
The operation principle of mist dust remover of the present utility model is: at first, compressed air is imported to a ring-shaped air chamber radially, ring-shaped air chamber can make compressed air be expanded, and flow velocity is improved, and high velocity air sprays from annulus, forms the high negative pressure district; Next opens water supply valve, and current and the extraneous air sucked from dedusting gland side enter the high negative pressure district and start mixed aerosol; Then, fluid-mixing enters at a high speed in injector and further mixes, and along with the diffusion of cone-shaped cavity, the pressure of fluid-mixing raises gradually, forms the more uniform water smoke of aqueous vapor, by the spraying end ejection of injector; The water smoke of ejection is the ultrafine globule of atomization with static, and the atomization globule of static electrification has very strong adsorption capacity to respirable dust, and the globule weight after the absorption dust increases, sedimentation under Action of Gravity Field, thus reach the purpose that reduces dust.
Than existing mine dust removing device, the beneficial effects of the utility model are: gas, water shunting not there will be dust plug nozzle phenomenon; High negative pressure and high velocity air can make twice atomization of current, atomization globule absorption dust postemphasis sedimentation, and its dust removing effects of respirable dust to the harm maximum is obvious; Atomizing effect is good, and water consumption is little, do not pollute and the destruction work environment, on ature of coal without impact; Be adapted at most applying in the severe colliery of production environment and metallic ore; There are 16,000 multipair collieries in China at present, if this product is applied in mine, will produce considerable economic benefit and social benefit.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing in detail concrete structure of the present utility model is described in detail
Fig. 1 is the structural representation of the utility model mist dust remover;
In figure: 1, sleeve; 2, the circular seam type injector of calming the anger; 3, dedusting gland; 4, sealing ring; 5, screw; 6, suspension ring; 7, water injector; 8, elbow; 9, water pipe head; 10, water spout; 11, pressure port; 12, air pipe joint; 13, hold-down screw; 14, ring-shaped air chamber; 15, annulus; 16, the circular seam type injector inner chamber of calming the anger.
[specific embodiment]
The utility model will be further described below in conjunction with drawings and Examples.
With reference to shown in Figure 1, the utility model has disclosed a kind of mist dust remover, it mainly comprises circular seam type calm the anger injector 2, dedusting gland 3, water injector 7, water pipe head 9, pressure port 11 and air pipe joint 12, and dedusting gland 3 is fixedly installed in a calm the anger end of injector 2 of circular seam type by screw 5.The circular seam type injector 2 of calming the anger is the cavity type structure of open at both ends, little opening end is inlet end, the big open end end is spraying end, circular seam type calm the anger injector inner chamber 16 from inlet end to spraying end tapered diffusion type cavity, dedusting gland 3 is connected in the calm the anger inlet end of injector 2 of circular seam type.One end of water injector 7 is connected with water pipe head 9, the other end stretches into dedusting gland 3 makes water spout 10 towards the circular seam type injector inner chamber 16 of calming the anger, the water spout 10 of water injector 7 is in the calm the anger inlet end of injector 2 of circular seam type, simultaneously, the calm the anger axis of injector inner chamber 16 of water spout 10 and circular seam type is concentric.Preferably, between water injector 7 and water pipe head 9, be connected with elbow 8.For avoiding spray nozzle clogging and the effect that reaches twice atomization, by compressed air from the circular seam type lateral leadin circular seam type of the injector 2 injector inner chamber 16 of calming the anger of calming the anger, consider the convenience of processing, in dedusting gland 3 inner edges and the circular seam type design annulus 15 between the inlet end inner edge of injector 2 of calming the anger, compressed air can enter through this annulus 15 the circular seam type injector inner chamber 16 of calming the anger.For improving from annulus the 15 compressed air flow velocitys that spray into, between pressure port 11 and annulus 15, a ring-shaped air chamber 14 can be set, pressure port 11, ring-shaped air chamber 14, annulus 15 and the circular seam type injector inner chamber 16 of calming the anger is connected, and a termination of pressure port 11 enters in ring-shaped air chamber 14, the other end is connected with air pipe joint 12, compressed air imports from air pipe joint 12, in entering ring-shaped air chamber 14, pressure port 11 expanded, flow velocity is improved, high velocity air 15 sprays into the circular seam type injector inner chamber 16 of calming the anger from annulus, form the high negative pressure district, from the current of water spout 10 ejection and the extraneous air that sucks from dedusting gland 3 sides, enter the high negative pressure district and start mixed aerosol, then, fluid-mixing enters at a high speed circular seam type and calms the anger and further mix in injector 2, and along with the diffusion of cone-shaped cavity, the pressure of fluid-mixing raises gradually, forms the more uniform water smoke of aqueous vapor, realizes secondary-atomizing.For guaranteeing that ring-shaped air chamber 14 is by enough spaces, can form junction surface at dedusting gland 3 and the circular seam type junction of the injector 2 enough thick wall body that extends radially outwardly out of calming the anger, so, connecting the calm the anger screw 5 of injector 2 of dedusting gland 3 and circular seam type can be arranged in this junction surface, ring-shaped air chamber 14 is for calming the anger in the wall body at injector 2 junction surfaces with dedusting gland 3 and circular seam type, and pressure port 11 also can be fixed by junction surface.Preferably, in the arranged outside of ring-shaped air chamber 14, sealing ring 4 is arranged in the calm the anger contact site of injector 2 of dedusting gland 3 and circular seam type, sealing circle 4 can avoid compressed air in ring-shaped air chamber 14 from seam crossing to external leakage, thereby keeps the pressure in air chamber.
It is worth mentioning that, the receiving chamber of dedusting gland 3 is tapered configuration, and 15 places are the narrowest section in annulus in receiving chamber, and the calm the anger inner chamber of injector 2 of dedusting gland 3 and circular seam type namely forms by the structure that tapers to flaring, to improve the flow velocity of injection.
Further, ring-shaped air chamber 14 is tapered configuration with 15De coupling part, annulus, and air-flow is accelerated, and accelerates air-flow behind annulus 15, and air-flow forms higher negative pressure around the circular seam type of flaring is calmed the anger the interior injection of injector inner chamber 16; Ring-shaped air chamber 14 inwalls are near the curved wall body of the part of annulus 15, and the tangent line at curve wall body 15 places in annulus, towards the circular seam type injector inner chamber 16 of calming the anger, can make air-flow reach the purpose of attached wall.
Further, in the calm the anger outside of injector 2 of dedusting gland 3 and circular seam type, can cover and establish the sleeve 1 that plays protection use.The calm the anger outer wall of injector 2 of circular seam type is provided with locating dowel, and sleeve 1 is connected and fixed by hold-down screw 13 and locating dowel.
Further, circular seam type is calmed the anger on injector 2 can install suspension ring 6, and suspension ring 6 pass outside sleeve 1, and mist dust remover is arranged on corresponding facility or excavating equipment, can synchronously carry out the dedusting operation in the process of excavating and advancing.
The induction efficiency of mist dust remover of the present utility model is high, the effect of secondary-atomizing has increased substantially atomizing effect, its control range is large, good dedusting effect, and Portable durable, can be in tunnel effectively dedusting and resistance dirt, on ature of coal, substantially without affecting, can in the operation places, colliery such as mine, be applicable on a large scale.
Described above is only preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, various distortion and modification can appear, the retouching that all those of ordinary skill in the art make according to above description, revise or be equal to replacement, all belong to the scope that the utility model is protected.
Claims (10)
1. mist dust remover, it comprises the air pipe joint of water pipe head, pressure port and the connection pressure port of injector, water injector, connection water injector, it is characterized in that: injector is the circular seam type injector of calming the anger, a calm the anger end of injector of circular seam type is inlet end, the other end is spraying end, circular seam type calm the anger the injector inner chamber from inlet end to spraying end tapered diffusion type cavity; The calm the anger inlet end of injector of circular seam type is equipped with the dedusting gland, and dedusting gland and circular seam type are calmed the anger between injector and formed a ring-shaped air chamber, between dedusting gland edge and circular seam type are calmed the anger the inlet end inner edge of injector, annulus is arranged; Pressure port is arranged at the calm the anger inlet end outside of injector of circular seam type, and pressure port is communicated with ring-shaped air chamber, and gases at high pressure are ejected into the injector inner chamber and spread from annulus through ring-shaped air chamber; Water injector stretches in the dedusting gland, and the water spout of water injector is towards the circular seam type injector inner chamber of calming the anger, and the calm the anger axis of injector inner chamber of the axis of water spout and circular seam type is concentric.
2. mist dust remover according to claim 1, it is characterized in that: a side of described ring-shaped air chamber has a most described annulus in narrow cross section, and the water spout of water injector is in the calm the anger inlet end of injector of circular seam type.
3. mist dust remover according to claim 1, it is characterized in that: described circular seam type is calmed the anger and is provided with sealing ring between injector and dedusting gland.
4. according to the described mist dust remover of any one in claims 1 to 3, it is characterized in that: the calm the anger outer cup of injector and dedusting gland of described circular seam type is provided with the sleeve of protection use.
5. mist dust remover according to claim 4 is characterized in that: the calm the anger outer wall of injector of described circular seam type is provided with locating dowel, and sleeve is connected and fixed by hold-down screw and locating dowel.
6. mist dust remover according to claim 4 is characterized in that: described circular seam type is calmed the anger on injector suspension ring is installed.
7. mist dust remover according to claim 1 is characterized in that: described ring-shaped air chamber is positioned at the circular seam type wall body that injector is connected with the dedusting gland of calming the anger.
8. mist dust remover according to claim 1, it is characterized in that: the coupling part of described ring-shaped air chamber and annulus is tapered configuration.
9. mist dust remover according to claim 1 is characterized in that: described ring-shaped air chamber inwall is near the curved wall body of the part of annulus, the curve wall body at the tangent line at place, annulus towards the circular seam type injector inner chamber of calming the anger.
10. mist dust remover according to claim 1, is characterized in that: be connected with elbow between described water injector and water pipe head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201881021U CN203303788U (en) | 2013-04-12 | 2013-04-12 | Water mist dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201881021U CN203303788U (en) | 2013-04-12 | 2013-04-12 | Water mist dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203303788U true CN203303788U (en) | 2013-11-27 |
Family
ID=49610026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201881021U Expired - Lifetime CN203303788U (en) | 2013-04-12 | 2013-04-12 | Water mist dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203303788U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096432A (en) * | 2013-04-12 | 2014-10-15 | 张灵样 | Water-mist deduster |
| CN108499275A (en) * | 2018-04-24 | 2018-09-07 | 河南理工大学 | A kind of automatic shooting mist device of the vulcanisation hydrogen dust of movable type |
-
2013
- 2013-04-12 CN CN2013201881021U patent/CN203303788U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096432A (en) * | 2013-04-12 | 2014-10-15 | 张灵样 | Water-mist deduster |
| CN104096432B (en) * | 2013-04-12 | 2016-12-28 | 张灵样 | Mist dust remover |
| CN108499275A (en) * | 2018-04-24 | 2018-09-07 | 河南理工大学 | A kind of automatic shooting mist device of the vulcanisation hydrogen dust of movable type |
| CN108499275B (en) * | 2018-04-24 | 2020-06-30 | 河南理工大学 | Movable automatic mist spraying device for removing hydrogen sulfide dust |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |