CN218033213U

CN218033213U - Small-size coal fired boiler flue gas dust collector

Info

Publication number: CN218033213U
Application number: CN202221376520.9U
Authority: CN
Inventors: 张维亮
Original assignee: Shandong Huiyuan Environment Engineering Co ltd
Current assignee: Shandong Huiyuan Environment Engineering Co ltd
Priority date: 2022-06-05
Filing date: 2022-06-05
Publication date: 2022-12-13
Anticipated expiration: 2032-06-05

Abstract

The utility model relates to a small-size coal fired boiler flue gas dust collector, which comprises a platform, the last fixed surface of platform has the box, the upper surface of box and be close to its left surface and right flank and all be fixed with the supporting shoe, the last fixed surface of supporting shoe has the water tank, the left side of water tank is equipped with retrieves the mechanism, the inside of box is equipped with installation mechanism. This small-size coal fired boiler flue gas dust collector, set up the recovery mechanism in this flue gas dust collector, through the mutually supporting between each structure in retrieving the mechanism, can be to boiler fuel's combustion process, retrieve the heat in the flue gas of its production, make these heats not directly arrange to the atmosphere in, but retrieve this part heat effectively, just so can not let these heats be wasted, these heats are used for other places and also can play the effect of saving the resource, the practicality of this flue gas dust collector has been improved, the installation mechanism of deuterogamying, the clearance of staff to the filter has been made things convenient for.

Description

Small-size coal fired boiler flue gas dust collector

Technical Field

The utility model relates to a flue gas dust removal technical field specifically is a small-size coal fired boiler flue gas dust collector.

Background

The boiler is an energy conversion device, the energy of inputing to the boiler has chemical energy, the electric energy in the fuel, the boiler output has certain steam, high-temperature water or organic heat carrier of heat energy, boiler fuel produces a large amount of waste gases at the in-process of burning, contain a large amount of dusts in the waste gas, a large amount of dusts are directly discharged to the atmosphere, can all produce the influence of different degree to human respiratory tract, atmosphere visibility and urban landscape, consequently, for not causing environmental pollution, so do the dust removal processing to boiler exhaust flue gas very necessary.

Flue gas dust collector's in the existing market variety is various, but flue gas dust collector mostly has the effect that can not carry out the recovery to heat in the flue gas, in the prior art, at the in-process of boiler normal work, boiler fuel can produce a large amount of flue gases at the in-process of burning, except containing a large amount of dusts in these flue gases, wherein still there is a large amount of heats, a large amount of sensible heat and latent heat will be taken away to discharged flue gas, if do not add effectual recovery to this part heat, will cause a large amount of energy losses, can not realize energy-concerving and environment-protective target.

SUMMERY OF THE UTILITY MODEL

The utility model provides a small-size coal fired boiler flue gas dust collector, possess the advantage that can carry out the heat to retrieving in the flue gas, solved traditional flue gas dust collector and can not retrieve the heat in the flue gas and cause a large amount of energy loss's problem.

In order to achieve the above purpose, the utility model provides a following technical scheme: a small coal-fired boiler flue gas dust removal device comprises a platform, wherein a box body is fixed on the upper surface of the platform, supporting blocks are fixed on the upper surface of the box body close to the left side surface and the right side surface of the box body, a water tank is fixed on the upper surface of each supporting block, a recovery mechanism is arranged on the left side of the water tank, and an installation mechanism is arranged inside the box body;

the recycling mechanism comprises a heat exchange assembly and a dust removal assembly, the heat exchange assembly comprises a smoke inlet pipe communicated with the left side face of the water tank, a control valve is fixed on the outer side of the smoke inlet pipe, a heat exchange pipe is fixed inside the water tank, the right side face of the water tank is communicated with a smoke exhaust pipe communicated with the other end of the water tank and the right side face of the tank body, and heat conducting fins are fixed on the outer side of the heat exchange pipe.

Furthermore, the upper surface of the water tank and the position close to the right side surface of the water tank are communicated with a water replenishing pipe, and a thermometer is fixed on the upper surface of the water tank.

Furthermore, the dust removal subassembly is including fixing the water pump at the box upper surface, the end intercommunication of intaking of water pump has the inlet tube of the other end and water tank lower surface intercommunication, the play water end intercommunication of water pump has the outlet pipe, the one end intercommunication that the water pump was kept away from to the outlet pipe has three way connection, the roof of box inner chamber is fixed with sprays the cover.

Furthermore, the lower surface of the three-way joint is communicated with a guide pipe, the other end of the guide pipe is communicated with the upper surface of the spraying sleeve, and a plurality of aerial fog spray heads are fixed on the lower surface of the spraying sleeve.

Further, installation mechanism includes the filter of sliding connection in the box inside, the left and right sides of filter all is fixed with the pivot, the outside of pivot is rotated and is connected with the pulley, the gliding spout of confession pulley is all seted up to the left and right sides wall of box inner chamber.

Further, the upper surface of box and be close to its left surface department intercommunication have the blast pipe, the inside of blast pipe is fixed with the active carbon board.

Further, the front of filter is fixed with the handle, the lower fixed surface of platform has the collecting box.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this small-size coal fired boiler flue gas dust collector, set up the recovery mechanism in this flue gas dust collector, through retrieving mutually supporting between each structure in the mechanism, can be to boiler fuel's combustion process, retrieve the heat in the flue gas of its production, make these heats not directly arrange to the atmosphere in, but retrieve this part heat effectively, just so can not let these heats wasted, be used for these heats other places also can play the effect of saving the resource, this flue gas dust collector's practicality has been improved.

2. This small-size coal fired boiler flue gas dust collector has set up installation mechanism in this flue gas dust collector, through mutually supporting between each structure in the installation mechanism, can make things convenient for the staff to the clearance of the filter among this flue gas dust collector, uses the back for a long time at the filter, and the dust can be piled up to the difficult meeting of going up of filter, and if the dust is not cleared up like this, can influence this flue gas dust collector's dust removal effect, and installation mechanism has made things convenient for follow-up clearance to the filter.

Drawings

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

FIG. 2 is a schematic view of the recycling mechanism of the present invention;

fig. 3 is a schematic view of the installation mechanism of the present invention.

In the figure: 1 platform, 2 boxes, 3 supporting blocks, 4 water tanks, 5 recovery mechanisms, 501 smoke inlet pipes, 502 control valves, 503 heat exchange pipes, 504 smoke exhaust pipes, 505 heat conducting fins, 506 water pumps, 507 water inlet pipes, 508 water outlet pipes, 509 three-way connectors, 510 spraying sleeves, 6 mounting mechanisms, 601 filter plates, 602 rotating shafts, 603 pulleys and 604 sliding chutes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 flue gas dust removal device for a small coal-fired boiler in the embodiment includes a platform 1, a box 2 is fixed on the upper surface of the platform 1, supporting blocks 3 are fixed on the upper surface of the box 2 and near the left side and the right side of the box, a water tank 4 is fixed on the upper surface of the supporting blocks 3, a recovery mechanism 5 is arranged on the left side of the water tank 4, and an installation mechanism 6 is arranged inside the box 2.

Wherein, supporting shoe 3 plays the effect of supporting water tank 4, and the upper surface of water tank 4 just is close to its right flank department intercommunication and has the moisturizing pipe, and the last fixed surface of water tank 4 has the thermometer, and the moisturizing pipe plays the moisturizing effect to water tank 4, and the thermometer plays the effect of measuring temperature in the water tank 4.

Referring to fig. 2, in order to recover the heat in the flue gas discharged by the boiler during operation and prevent the heat loss, the recovery mechanism 5 in this embodiment includes a heat exchange assembly and a dust removal assembly, the heat exchange assembly includes a smoke inlet pipe 501 communicated with the left side surface of the water tank 4, a control valve 502 is fixed on the outer side of the smoke inlet pipe 501, a heat exchange pipe 503 is fixed inside the water tank 4, a smoke exhaust pipe 504 communicated with the right side surface of the tank 2 is communicated with the right side surface of the water tank 4, the smoke inlet pipe 501, the heat exchange pipe 503 and the smoke exhaust pipe 504 are channels through which the flue gas passes, and a heat conduction fin 505 is fixed on the outer side of the heat exchange pipe 503.

It should be noted that the heat conducting strip 505 is made of metal, typically copper or aluminum, and has good heat conducting property, so that heat in the flue gas can be conducted into the water in the water tank 4.

Wherein, three way connection 509's lower surface intercommunication has the pipe of the other end and spraying cover 510 upper surface intercommunication, the lower fixed surface of spraying cover 510 has a plurality of aerial fog shower nozzles, aerial fog shower nozzle can be with spun water atomization, increase the area of contact with the flue gas, reach good dust removal effect, dust removal component is including fixing the water pump 506 at box 2 upper surface, the end intercommunication of intaking of water pump 506 has the inlet tube 507 of the other end and the 4 lower surface intercommunications of water tank, the play water end intercommunication of water pump 506 has outlet pipe 508, the one end intercommunication that water pump 506 was kept away from to outlet pipe 508 has three way connection 509, three way connection 509 is common water connectors on the market, no longer describe in detail in the text, the roof of box 2 inner chamber is fixed with sprays cover 510.

The lower surface of the three-way joint 509 is communicated with a conduit of which the other end is communicated with the upper surface of the spraying sleeve 510, and the lower surface of the spraying sleeve 510 is fixed with a plurality of aerosol spray heads.

It can be understood that the water in the spraying sleeve 510 can be sprayed out through the atomization effect of the aerosol spray head, so that the contact area of the water and the smoke is increased, and a good dust removal effect is achieved.

Referring to fig. 3, in order to facilitate the subsequent cleaning of the filter plate 601 by the worker, the mounting mechanism 6 in the embodiment includes the filter plate 601 slidably connected inside the box 2, the filter plate 601 plays a role of filtering dust, the dust cannot pass through the gap of the filter plate 601, the left and right sides of the filter plate 601 are both fixed with rotating shafts 602, the outer sides of the rotating shafts 602 are rotatably connected with pulleys 603, and the left and right side walls of the inner cavity of the box 2 are both provided with chutes 604 for the pulleys 603 to slide.

Wherein, the upper surface of box 2 just is close to its left surface department intercommunication and has the blast pipe, and the inside of blast pipe is fixed with the activated carbon board, and the front of filter 601 is fixed with the handle, and the lower fixed surface of platform 1 has the collecting box.

It should be noted that the activated carbon plate can effectively absorb harmful substances in the flue gas, the handle can facilitate the taking of the filter plate 601 by the worker, and the collecting box is used for collecting water during dust removal.

The working principle of the above embodiment is as follows:

(1) When the flue gas dust removal device normally operates, firstly, a worker opens the control valve 502, flue gas generated during boiler combustion enters the water tank 4 from the smoke inlet pipe 501, a medium in the water tank 4 is water, then the flue gas reaches the heat exchange pipe 503 from the smoke inlet pipe 501, heat in the flue gas is transferred to the water in the water tank 4 through the heat conducting fins 505 on the outer side of the heat exchange pipe 503, the heat can heat the water in the water tank 4, then the worker starts the water pump 506, under the action of the water pump 506, the water in the water tank 4 reaches the water pump 506 through the water inlet pipe 507, then the water outlet pipe 508 reaches the tee joint 509, finally the water reaches the spray sleeve 510 through the guide pipe, the spray nozzle is sprayed out from the lower surface of the spray sleeve 510, the spray nozzle sprayed water mist can perform a dust removal process on the flue gas entering the box body 2 from the smoke outlet pipe 504, and when the water mist contacts with the flue gas, dust particles in the flue gas can be fused with the water mist, and then fall on the filter plate 601.

(2) The flue gas after dust removal reaches the exhaust pipe on the upper surface of the box body 2, harmful substances in the flue gas can be effectively absorbed through the adsorption effect of the activated carbon plate, the flue gas is discharged out of the flue gas dust removal device from the exhaust pipe, water used in dust removal is finally collected into the collection box on the lower surface of the platform 1, at the moment, the water heated in the water tank 4 reaches the position of the water pump 506 after the water in the water tank 4 reaches a certain temperature and is acted by the water pump 506, the water reaches the position of the water pump 506 through the water inlet pipe 507, then the water reaches the position of the three-way joint 509 from the water blowing pipe 508, and finally the water is discharged to a place needing hot water, so that the energy-saving purpose is achieved.

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, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a 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 small-size coal fired boiler flue gas dust collector, includes platform (1), its characterized in that: a box body (2) is fixed on the upper surface of the platform (1), supporting blocks (3) are fixed on the upper surface of the box body (2) and close to the left side surface and the right side surface of the box body, a water tank (4) is fixed on the upper surface of each supporting block (3), a recovery mechanism (5) is arranged on the left side of each water tank (4), and an installation mechanism (6) is arranged in the box body (2);

retrieve mechanism (5) and include heat exchange assembly and dust removal subassembly, heat exchange assembly advances tobacco pipe (501) including the intercommunication at water tank (4) left surface, the outside of advancing tobacco pipe (501) is fixed with control valve (502), the inside of water tank (4) is fixed with heat exchange tube (503), the right flank intercommunication of water tank (4) has smoke exhaust pipe (504) of the other end and box (2) right flank intercommunication, the outside of heat exchange tube (503) is fixed with conducting strip (505).

2. The flue gas dust removal device of the small coal-fired boiler according to claim 1, characterized in that: the upper surface of water tank (4) and be close to its right flank department intercommunication have the moisturizing pipe, the upper surface of water tank (4) is fixed with the thermometer.

3. The flue gas dust removal device of the small coal-fired boiler according to claim 1, characterized in that: the dust removal subassembly is including fixing water pump (506) at box (2) upper surface, the end intercommunication of intaking of water pump (506) has inlet tube (507) of the other end and water tank (4) lower surface intercommunication, the play water end intercommunication of water pump (506) has outlet pipe (508), the one end intercommunication that water pump (506) were kept away from in outlet pipe (508) has three way connection (509), the roof of box (2) inner chamber is fixed with sprays cover (510).

4. The flue gas dust removal device of the small coal-fired boiler according to claim 3, characterized in that: the lower surface of the three-way joint (509) is communicated with a guide pipe of which the other end is communicated with the upper surface of the spraying sleeve (510), and the lower surface of the spraying sleeve (510) is fixed with a plurality of aerosol spray heads.

5. The flue gas dust removal device of the small coal-fired boiler according to claim 1, characterized in that: installation mechanism (6) are including sliding connection filter (601) inside box (2), the left and right sides of filter (601) all is fixed with pivot (602), the outside rotation of pivot (602) is connected with pulley (603), the left and right sides wall of box (2) inner chamber has all been seted up and has been supplied gliding spout (604) of pulley (603).

6. The flue gas dust removal device of the small coal-fired boiler according to claim 5, characterized in that: the upper surface of box (2) just is close to its left surface department intercommunication and has the blast pipe, the inside of blast pipe is fixed with the active carbon board.

7. The flue gas dust removal device for the small coal-fired boiler according to claim 5, wherein: the front of filter (601) is fixed with the handle, the lower fixed surface of platform (1) has the collecting box.