CN217220750U

CN217220750U - Coal conveying, spraying and dust removing device for fuel system of thermal power plant

Info

Publication number: CN217220750U
Application number: CN202220423993.3U
Authority: CN
Inventors: 胡庆华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-08-19
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses a defeated coal spraying dust collector of fuel system of thermal power plant, the shower head includes the casing, the fixed lantern ring of inner chamber fixedly connected with second of casing, the inner wall symmetry fixedly connected with connecting rod of the fixed lantern ring of second, the one end fixedly connected with bearing plate that the connecting rod is relative, the middle fixedly connected with telescopic machanism of bearing plate bottom, the miniature syringe needle of bottom symmetry fixedly connected with a plurality of bearing plate, telescopic machanism's bottom fixedly connected with mounting disc, the surface symmetry fixedly connected with of lagging is sealed fills up, the fixed miniature spraying hole of a plurality of having seted up of surface symmetry of mounting disc, the fixed spout of having seted up of inner wall symmetry of casing, the utility model relates to a dust removal technical field. This coal conveying spray dust collector of fuel system of thermal power plant has solved the shower head and has used the back for a long time, and the jam can appear in the miniature spraying hole of its shower head output to lead to spraying the volume reduction, lead to the problem that the dust removal effect diminishes.

Description

Coal conveying, spraying and dust removing device for fuel system of thermal power plant

Technical Field

The utility model relates to a dust removal technical field specifically is a coal conveying spray dust removal device of fuel system of thermal power plant.

Background

A thermal power plant, referred to as a thermal power plant, is a plant that produces electric energy using a combustible (e.g., coal) as a fuel. The basic production process is as follows: the fuel heats water to generate steam during combustion, chemical energy of the fuel is converted into heat energy, the steam pressure drives a steam turbine to rotate, the heat energy is converted into mechanical energy, then the steam turbine drives a generator to rotate, and the mechanical energy is converted into electric energy. They generate electricity by taking advantage of the pressure drop during the conversion of high temperature, high pressure steam or gas through a turbine to low pressure air or condensate.

When current thermal power plant carries out steam transport through the coal burning, it produces gas and need externally discharge, all can remove the dust in the gas through dust collector when gas emission, wherein all can have the shower head regardless of the dust collector who uses what model, but the shower head is after long-time the use, and the jam can appear in the miniature spraying hole of its shower head output to lead to spraying volume to reduce, lead to dust removal effect to diminish.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a coal conveying spray dust collector of fuel system of thermal power plant has solved the shower head and has used the back for a long time, and the jam can appear in the miniature spraying hole of its shower head output to lead to spraying the volume and reduce, lead to the problem that dust removal effect diminishes.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a thermal power plant fuel system coal conveying spray dust removal device, includes the dust removal tank, the first fixed lantern ring of inner wall fixedly connected with of dust removal tank, the inner wall fixedly connected with connecting pipe of first fixed lantern ring, the fixed shower head that is provided with in bottom of connecting pipe.

The shower head includes the casing, the fixed lantern ring of inner chamber fixedly connected with second of casing, the inner wall symmetry fixedly connected with connecting rod of the fixed lantern ring of second, the relative one end fixedly connected with race plate of connecting rod, the middle fixedly connected with telescopic machanism of race plate bottom, the miniature syringe needle of bottom symmetry fixedly connected with a plurality of race plate, telescopic machanism's bottom fixedly connected with mounting disc, the fixed cover plate that has cup jointed in the surface of mounting disc, the sealed pad of surface symmetry fixedly connected with of cover plate, the fixed miniature spraying hole of a plurality of has been seted up to the surface symmetry of mounting disc, the fixed spout of having seted up of inner wall symmetry of casing.

The telescopic mechanism comprises a sleeve, a telescopic rod is sleeved in an inner cavity of the sleeve in a sliding mode, and a spring is fixedly connected between one end of the telescopic rod and the inner wall of the sleeve.

Preferably, the surface of the sealing gasket is sleeved in the inner cavity of the sliding groove in a sliding manner.

Preferably, the surface of the micro-needle is in sliding sleeve connection with the inner cavity of the micro-spray hole.

Preferably, the telescopic rod and the sleeve are fixedly connected to the bottom of the bearing plate and the surface of the mounting disc respectively.

Preferably, one end of the connecting pipe penetrates through the first fixed lantern ring and the inner wall of the dust removal tank and extends to the surface of the dust removal tank, and one end of the connecting pipe is fixedly communicated with a water pipe.

Preferably, the fixed intercommunication in top of dust removal jar has the blast pipe, the fixed surface intercommunication of dust removal jar has the air inlet, the bottom fixedly connected with collecting tank of dust removal jar inner chamber, the lower fixed surface intercommunication of collecting tank has the liquid outlet, and the one end of liquid outlet extends to outside the surface of dust removal jar.

Advantageous effects

The utility model provides a coal conveying spraying dust removal device of a fuel system of a thermal power plant. Compared with the prior art, the method has the following beneficial effects:

1. this coal conveying spraying dust collector of fuel system of thermal power plant, when the liquid blowout through closing the shower head, at the extrusion force that does not have liquid, and under the elasticity of spring, drive the telescopic link and retract in sheathed tube inner chamber, thereby drive the mounting disc and seal the inner wall of filling up and casing lower surface and leave, sealed pad can follow the slip in the inner chamber of spout simultaneously, make the miniature spraying hole on mounting disc surface insert the miniature syringe needle on the surface, and make the miniature syringe needle pass the inner chamber of miniature spraying hole, through the penetrating through of miniature syringe needle to miniature spraying hole inner chamber, can clear away the point with the impurity that miniature spraying hole inner chamber blockked up, and continue to spray next time, and along with the entering of liquid, can drive the sealed pad on mounting disc surface and support on the inner wall of casing, continue to realize spraying.

2. This coal conveying spraying dust collector of fuel system of thermal power plant realizes through sealed the pad and the casing inner wall between sealed, can prevent that the phenomenon of liquid seepage from appearing in the process that sprays.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the structure of the shower head of the present invention;

FIG. 3 is a partial schematic view of the spray head of the present invention;

FIG. 4 is a sectional view of the shower head of the present invention;

FIG. 5 is a partial enlarged view of the point A in the structure diagram of the present invention;

fig. 6 is a schematic view of the structure of the telescopic mechanism of the present invention.

In the figure: 1. a dust removal tank; 2. an exhaust pipe; 3. a collection tank; 4. a first fixed collar; 5. a connecting pipe; 6. a shower head; 61. a housing; 62. a second stationary collar; 63. a connecting rod; 64. a bearing plate; 65. a micro needle head; 66. a telescoping mechanism; 661. a sleeve; 662. a telescopic rod; 663. a spring; 67. mounting a disc; 68. a micro spray orifice; 69. a gasket; 610. sheathing the board; 611. a chute; 7. a water pipe; 8. an air inlet; 9. and a liquid outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a thermal power plant fuel system coal conveying spraying dust removal device, including dust removal tank 1, the first fixed lantern ring 4 of inner wall fixedly connected with of dust removal tank 1, the inner wall fixedly connected with connecting pipe 5 of first fixed lantern ring 4, the fixed shower head 6 that is provided with in bottom of connecting pipe 5, the inner wall of first fixed lantern ring 4 and dust removal tank 1 is run through to the one end of connecting pipe 5, and extend to dust removal tank 1 on the surface, and the fixed intercommunication of one end of connecting pipe 5 has water pipe 7, the fixed intercommunication in top of dust removal tank 1 has blast pipe 2, the fixed surface intercommunication of dust removal tank 1 has air inlet 8, the bottom fixedly connected with collection tank 3 of 1 inner chamber of dust removal tank, the fixed surface intercommunication of collection tank 3 has liquid outlet 9, and the one end of liquid outlet 9 extends to outside the surface of dust removal tank 1.

Referring to fig. 2-5, the shower head 6 includes a housing 61, a second fixed collar 62 is fixedly connected to an inner cavity of the housing 61, a connecting rod 63 is fixedly connected to an inner wall of the second fixed collar 62 symmetrically, a bearing plate 64 is fixedly connected to an opposite end of the connecting rod 63, a telescopic mechanism 66 is fixedly connected to a middle of a bottom of the bearing plate 64, a plurality of micro needles 65 are fixedly connected to a bottom of the bearing plate 64 symmetrically, a mounting plate 67 is fixedly connected to a bottom of the telescopic mechanism 66, a collar plate 610 is fixedly sleeved on a surface of the mounting plate 67, a sealing pad 69 is fixedly connected to a surface of the collar plate 610 symmetrically, a plurality of micro spray holes 68 are fixedly formed on a surface of the mounting plate 67 symmetrically, a sliding groove 611 is fixedly formed on an inner wall of the housing 61 symmetrically, a surface of the sealing pad 69 is slidably sleeved in an inner cavity of the sliding groove 611, the surface of the micro-needle 65 is in sliding fit with the inner cavity of the micro-spray hole 68.

Referring to fig. 6, the telescoping mechanism 66 includes a sleeve 661, a telescoping rod 662 is slidably sleeved in an inner cavity of the sleeve 661, a spring 663 is fixedly connected between one end of the telescoping rod 662 and an inner wall of the sleeve 661, and the telescoping rod 662 and the sleeve 661 are respectively and fixedly connected to a bottom of the bearing plate 64 and a surface of the mounting plate 67.

When the dust collector works, firstly, gas is conveyed into the inner cavity of the dust collection tank 1 through the gas inlet 8, then the water pipe 7 is connected with external chemical liquid, so that the external conveying pump conveys the liquid into the inner cavity of the connecting pipe 5, and finally, the liquid is sprayed out through the spray header 6, so that the liquid forms spray and is contacted with the gas, thereby removing dust of the gas, the removed dust and the liquid fall into the inner cavity of the collection tank 3 for collection, the gas after dust collection can be discharged through the exhaust pipe 2, and impurities in the collection tank 3 can be discharged through the liquid outlet 9 after the dust collection is finished, when the liquid spraying of the spray header 6 is closed after the work is finished, the telescopic rod 662 is driven to retract in the inner cavity of the sleeve 661 under the elastic force of the spring 663, thereby the mounting plate 67 and the sealing gasket 69 are driven to separate from the inner wall of the lower surface of the shell 61, meanwhile, the sealing gasket 69 slides along the inner cavity of the sliding groove 611, so that the micro spray holes 68 on the surface of the mounting plate 67 are inserted into the surfaces of the micro needles 65, the micro needles 65 penetrate through the inner cavities of the micro spray holes 68, impurities blocked in the inner cavities of the micro spray holes 68 can be removed through the penetration of the micro needles 65 into the inner cavities of the micro spray holes 68, the next time of continuous spraying is performed, the sealing gasket 69 on the surface of the mounting plate 67 is driven to abut against the inner wall of the shell 61 along with the entrance of liquid, and the sealing between the sealing gasket 69 and the inner wall of the shell 61 is realized through the sealing gasket 69.

In the first few seconds when the liquid enters the space between the shells 61, the liquid impact force is not reached yet, so the liquid leaks from the inner cavity of the shells 61 in the first few seconds, but when the liquid impact force is reached, the sealing gasket 69 on the surface of the mounting disc 67 is driven to abut against the inner wall of the shells 61, and the liquid does not leak any more.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coal conveying spray dust collector of fuel system of thermal power plant, includes dust removal tank (1), the first fixed lantern ring (4) of inner wall fixedly connected with of dust removal tank (1), the inner wall fixedly connected with connecting pipe (5) of the first fixed lantern ring (4), its characterized in that: the bottom of the connecting pipe (5) is fixedly provided with a spray header (6);

the spray header (6) comprises a shell (61), the inner cavity of the shell (61) is fixedly connected with a second fixed lantern ring (62), the inner wall of the second fixed lantern ring (62) is symmetrically and fixedly connected with a connecting rod (63), one end of the connecting rod (63) opposite to the connecting rod is fixedly connected with a bearing plate (64), the middle of the bottom of the bearing plate (64) is fixedly connected with a telescopic mechanism (66), the bottom of the bearing plate (64) is symmetrically and fixedly connected with a plurality of miniature needle heads (65), the bottom of the telescopic mechanism (66) is fixedly connected with an installation disc (67), the surface of the installation disc (67) is fixedly sleeved with a sleeve plate (610), sealing gaskets (69) are symmetrically and fixedly connected to the surface of the sleeve plate (610), a plurality of micro spray holes (68) are symmetrically and fixedly formed in the surface of the mounting disc (67), and sliding grooves (611) are symmetrically and fixedly formed in the inner wall of the shell (61);

telescopic machanism (66) include sleeve pipe (661), telescopic link (662) have been cup jointed in the inner chamber slip of sleeve pipe (661), fixedly connected with spring (663) between the inner wall of the one end of telescopic link (662) and sleeve pipe (661).

2. The coal conveying spray dust removal device of the fuel system of the thermal power plant according to claim 1, characterized in that: the surface of the sealing gasket (69) is sleeved in the inner cavity of the sliding groove (611) in a sliding mode.

3. The coal conveying spray dust removal device of the fuel system of the thermal power plant according to claim 1, characterized in that: the surface of the micro needle (65) is in sliding sleeve connection with the inner cavity of the micro spray hole (68).

4. The coal conveying spray dust removal device of the fuel system of the thermal power plant according to claim 1, characterized in that: the telescopic rod (662) and the sleeve (661) are fixedly connected to the bottom of the bearing plate (64) and the surface of the mounting plate (67) respectively.

5. The coal conveying spray dust removal device of the fuel system of the thermal power plant according to claim 1, characterized in that: one end of the connecting pipe (5) penetrates through the inner walls of the first fixed lantern ring (4) and the dust removal tank (1) and extends to the surface of the dust removal tank (1), and one end of the connecting pipe (5) is fixedly communicated with a water pipe (7).

6. The coal conveying spray dust removal device for the fuel system of the thermal power plant as claimed in claim 1, wherein: the top fixed intercommunication of dust removal jar (1) has blast pipe (2), the fixed surface intercommunication of dust removal jar (1) has air inlet (8), the bottom fixedly connected with collecting tank (3) of dust removal jar (1) inner chamber, the lower fixed surface intercommunication of collecting tank (3) has liquid outlet (9), and the one end of liquid outlet (9) extends to the dust removal jar (1) the surperficial outer.