CN213790513U - Ventilation device of coal-fired generator set - Google Patents

Abstract

The utility model relates to a ventilation technology field, and a coal-fired generating set's ventilation unit is disclosed, the granule that ventilation unit on the existing market contained to the air that discharges can not adsorb, it is inconvenient to the installation of filter screen and dismantlement, and then the problem that influences work efficiency is solved, it includes the ventilation pipe, the side fixed mounting of ventilation pipe has solid fixed ring, the standing groove has been seted up at the top of ventilation pipe, the inner chamber movable mounting of standing groove has the filter screen, first recess has been seted up to one side of standing groove, the inner chamber movable mounting of first recess has the torsional spring, the inside fixed mounting of torsional spring has the pivot, the top fixed mounting of pivot has first stopper, the draw-in groove has been seted up to the side of first stopper, the fixed surface of filter screen installs the fixed block, the spout has been seted up to the side of fixed block, the inner chamber movable mounting of spout has the spring, the utility model discloses, the granule in the air that has to discharge adsorbs, The filter screen is convenient to mount and dismount.

Description

Ventilation device of coal-fired generator set

Technical Field

The utility model belongs to the technical field of the ventilation, specifically be a coal-fired generating set's ventilation unit.

Background

Due to unexpected negative effects of people on highly developed industries, adverse prevention causes three global crises, namely resource shortage, environmental pollution and ecological destruction. Environmental pollution refers to natural or artificial damage, and the phenomenon that the composition or state of the environment is changed due to artificial factors, and the quality of the environment is reduced, thereby disturbing and destroying the normal production and living conditions of ecosystems and human beings.

However, when the ventilation device on the market ventilates, the staff absorb the particles contained in the harmful air exhausted by the coal-fired generator set for a long time, which may affect the health of the staff and even bring life danger;

the conventional ventilating device is inconvenient in filter screen replacement, and needs longer time for mounting and dismounting the filter screen, so that longer working time is delayed, and further working efficiency is reduced.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a coal-fired generating set's ventilation unit, the effectual ventilation unit of having solved on the existing market can not adsorb, inconvenient to the installation of filter screen and dismantlement to the granule that the air that discharges contains, and then influences work efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a ventilation device of a coal-fired generator set comprises a ventilation pipe, wherein a fixing ring is fixedly mounted on the side surface of the ventilation pipe, a placing groove is formed in the top of the ventilation pipe, a filter screen is movably mounted in an inner cavity of the placing groove, a first groove is formed in one side of the placing groove, a torsion spring is movably mounted in the inner cavity of the first groove, a rotating shaft is fixedly mounted in the torsion spring, a first limiting block is fixedly mounted at the top of the rotating shaft, a clamping groove is formed in the side surface of the first limiting block, a fixing block is fixedly mounted on the surface of the filter screen, a sliding groove is formed in the side surface of the fixing block, a spring is movably mounted in the inner cavity of the sliding groove, a clamping block is fixedly mounted on one side of the spring, a fan is fixedly mounted in the middle of the ventilation pipe, a fixing plate is fixedly mounted on the surface of the ventilation pipe, a second groove is formed in the side surface of the fixing plate, the inside movable mounting of second recess has the fixed strip, the through-hole has been seted up at the top of fixed strip, the inner chamber movable mounting of through-hole has spacing, the top fixed mounting of spacing has the second stopper.

Preferably, the bottom of the fixing strip is fixedly provided with a filtering tank, and an inner cavity of the filtering tank is filled with alkaline solution.

Preferably, the shape of the clamping block is trapezoidal, and the shape of the clamping block is matched with that of the clamping groove.

Preferably, the surface of the limiting strip is provided with threads, and the threads on the surface of the limiting strip are matched with the threads on the surface of the through hole.

Preferably, the number of the fixing strips is four, and the four fixing strips are distributed and fixed on the tops of the four sides of the filtering tank.

Preferably, the top fixed mounting of filter screen has the handle, and the filter screen is the HEPA material.

Compared with the prior art, the beneficial effects of the utility model are that:

1) in the work, the filter screen, the fixing plate, the filter tank, the fixing strip, the second groove, the limiting strip and the second limiting block are matched for use, so that the harmful gas in the air can be filtered, the filter tank is convenient to replace, and the problem that particles in the gas cannot be filtered is solved;

2) the hinge assembly has the advantages that the hinge assembly can be conveniently mounted and dismounted through the matching of the rotating shaft, the torsion spring, the first limiting block, the clamping groove, the spring, the clamping block and the fixing block, and the problem that a filter screen is inconvenient to replace is solved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of B in FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of FIG. 1C according to the present invention;

fig. 4 is an enlarged schematic view of a in fig. 2 according to the present invention;

in the figure: 1. a vent pipe; 2. a fixing ring; 3. a placement groove; 4. filtering with a screen; 5. a fan; 6. a fixing plate; 7. a filtration tank; 8. a fixing strip; 9. a first groove; 10. a rotating shaft; 11. a torsion spring; 12. a first stopper; 13. a card slot; 14. a handle; 15. a through hole; 16. a second groove; 17. a limiting strip; 18. a second limiting block; 19. a fixed block; 20. a chute; 21. a spring; 22. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below 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.

In the first embodiment, as shown in fig. 1-4, the utility model comprises a ventilation pipe 1, a fixing ring 2 is fixedly installed on the side surface of the ventilation pipe 1, a placing groove 3 is opened on the top of the ventilation pipe 1, a filter screen 4 is movably installed in the inner cavity of the placing groove 3, a first groove 9 is opened on one side of the placing groove 3, a torsion spring 11 is movably installed in the inner cavity of the first groove 9, a rotating shaft 10 is fixedly installed inside the torsion spring 11, a first stopper 12 is fixedly installed on the top of the rotating shaft 10, a clamping groove 13 is opened on the side surface of the first stopper 12, a fixing block 19 is fixedly installed on the surface of the filter screen 4, a sliding groove 20 is opened on the side surface of the fixing block 19, a spring 21 is movably installed in the inner cavity of the sliding groove 20, a clamping block 22 is fixedly installed on one side of the spring 21, a fan 5 is fixedly installed in the middle part of the ventilation pipe 1, a fixing plate 6 is fixedly installed on the surface of the ventilation pipe 1, a second groove 16 is opened on the side surface of the fixing plate 6, the inside movable mounting of second recess 16 has fixed strip 8, and through-hole 15 has been seted up at the top of fixed strip 8, and the inner chamber movable mounting of through-hole 15 has spacing strip 17, and the top fixed mounting of spacing strip 17 has second stopper 18.

In the second embodiment, on the basis of the first embodiment, the filtering tank 7 is fixedly installed at the bottom of the fixing strip 8, and the inner cavity of the filtering tank 7 is filled with alkaline solution, and the alkaline solution can treat harmful substance SO2 in the gas.

In the third embodiment, on the basis of the first embodiment, the shape of the latch 22 is a trapezoid, the shape of the latch 22 is matched with the shape of the slot 13, and the trapezoid-shaped latch 22 and the slot 13 are arranged, so that the latch 22 can be better limited in the slot 13.

Fourth embodiment, on the basis of first embodiment, the surface of spacing strip 17 is equipped with the screw thread, and the screw thread on spacing strip 17 surface and the screw thread phase-match on through-hole 15 surface, can be more convenient fix spacing strip 17 in through-hole 15 through the setting of screw thread.

In the fifth embodiment, on the basis of the first embodiment, the number of the fixing strips 8 is four, the four fixing strips 8 are distributed and fixed on the tops of the four sides of the filtering tank 7, and the four fixing strips 8 can better fix the filtering tank 7 on the fixing plate 6.

Sixth embodiment, on the basis of first embodiment, the top fixed mounting of filter screen 4 has handle 14, and filter screen 4 is the HEPA material, and the filter screen 4 of HEPA material has better adsorptivity, can filter the harmful gas in the gas better.

The working principle is as follows: when the device works, the fixing ring 2 at one end of the ventilation pipe 1 is fixed at the air outlet of the coal-fired generator set, gas exhausted by the coal-fired generator set flows through the ventilation pipe 1 under the action of the fan 5, harmful particles in the gas are filtered through the filter screen 4, the filtered gas is exhausted into the filter tank 7 from the other end of the ventilation pipe 1, and SO2 and harmful substances in the gas are filtered through alkaline solution in the filter tank 7, namely, the gas is filtered;

when the working time is long, the surface of the filter screen 4 adsorbs more particles, if the filter screen 4 is not replaced, the adsorption performance of the filter screen 4 is affected, the first limiting block 12 is pulled outwards, due to the existence of the rotating shaft 10, the first limiting block 12 rotates around the rotating shaft 10, at the moment, the handle 14 is pulled upwards, the filter screen 4 can be taken out of the placing groove 3, due to the existence of the torsion spring 11, the first limiting block 12 is restored to the initial state, a new filter screen 4 is placed in the placing groove 3, when the clamping block 22 touches the first limiting block 12, the first limiting block 12 slides towards the sliding groove 20, the handle 14 is pressed downwards continuously, when the clamping block 22 slides into the clamping groove 13, due to the fact that the pressure applied to the spring 21 is cancelled, the spring 21 pushes the clamping block 22 outwards, the clamping block 22 is clamped in the clamping groove 13, and the replacement of the filter screen 4 is completed; when the filtering tank 7 needs to be replaced, the second limiting block 18 is rotated to drive the limiting strip 17 to rotate, and the limiting strip 17 can be upwards rotated due to the thread arrangement of the limiting strip 17 and the through hole 15, and when the limiting strip 17 rotates out of the through hole 15, the fixing strip 8 can be taken out of the second groove 16 on the side surface of the fixing plate 6 to replace the alkaline solution in the filtering tank 7.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (6)

1. A ventilation device of a coal-fired power generating set comprises a ventilation pipe (1), and is characterized in that: the side fixed mounting of ventilation pipe (1) has solid fixed ring (2), standing groove (3) have been seted up at the top of ventilation pipe (1), the inner chamber movable mounting of standing groove (3) has filter screen (4), first recess (9) have been seted up to one side of standing groove (3), the inner chamber movable mounting of first recess (9) has torsional spring (11), the inside fixed mounting of torsional spring (11) has pivot (10), the top fixed mounting of pivot (10) has first stopper (12), draw-in groove (13) have been seted up to the side of first stopper (12), the fixed surface of filter screen (4) installs fixed block (19), spout (20) have been seted up to the side of fixed block (19), the inner chamber movable mounting of spout (20) has spring (21), one side fixed mounting of spring (21) has fixture block (22), the middle part fixed mounting of ventilation pipe (1) has fan (5), the fixed surface of ventilation pipe (1) installs fixed plate (6), second recess (16) have been seted up to the side of fixed plate (6), the inside movable mounting of second recess (16) has fixed strip (8), through-hole (15) have been seted up at the top of fixed strip (8), the inner chamber movable mounting of through-hole (15) has spacing (17), the top fixed mounting of spacing (17) has second stopper (18).

2. The ventilation device of a coal-fired power generating unit according to claim 1, characterized in that: the bottom of the fixing strip (8) is fixedly provided with a filtering tank (7), and the inner cavity of the filtering tank (7) is filled with alkaline solution.

3. The ventilation device of a coal-fired power generating unit according to claim 1, characterized in that: the shape of the clamping block (22) is trapezoidal, and the shape of the clamping block (22) is matched with that of the clamping groove (13).

4. The ventilation device of a coal-fired power generating unit according to claim 1, characterized in that: the surface of the limiting strip (17) is provided with threads, and the threads on the surface of the limiting strip (17) are matched with the threads on the surface of the through hole (15).

5. The ventilation device of a coal-fired power generating unit according to claim 1, characterized in that: the number of the fixing strips (8) is four, and the four fixing strips (8) are distributed and fixed on the tops of the four sides of the filtering tank (7).

6. The ventilation device of a coal-fired power generating unit according to claim 1, characterized in that: the top fixed mounting of filter screen (4) has handle (14), and filter screen (4) are the HEPA material.

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