阅读说明：本技术 一种冷凝炉用的空气过滤装置 (Air filtering device for condensing furnace ) 是由 何毅恒 尹伟民 于 2020-06-03 设计创作，主要内容包括：本发明提供一种冷凝炉用的空气过滤装置,包括：内烟管弯头和外烟管弯头；内烟管弯头一端与直内烟管一端连接,内烟管弯头另一端与过滤内管连接；外烟管弯头一端与直外烟管一端连接,外烟管弯头另一端与过滤外管连接,过滤外管外套设有过滤器壳体,过滤外管与过滤内管之间设置有环形密封圈,过滤外管与过滤内管之间通过环形密封圈分隔成第一腔体和第二腔体,过滤外管对应第一腔体处设置第一通孔,过滤外管对应第二腔体处设置第二通孔,过滤外管外壁套设有过滤网。如上所述,本发明的一种冷凝炉用的空气过滤装置,解决现有技术中只提供了烟气的排出功能和空气进入功能,不能对空气里面的灰尘及颗粒进行过滤的问题。(The invention provides an air filtering device for a condensing furnace, which comprises: an inner flue pipe elbow and an outer flue pipe elbow; one end of the inner smoke tube elbow is connected with one end of the straight inner smoke tube, and the other end of the inner smoke tube elbow is connected with the filtering inner tube; outer smoke pipe elbow one end is connected with straight outer smoke pipe one end, the outer smoke pipe elbow other end with filter outer union coupling, it is equipped with filter housing to filter the outer tube overcoat, it is provided with ring packing to filter between outer tube and the filtration inner tube, filter and separate into first cavity and second cavity through ring packing between outer tube and the filtration inner tube, it sets up first through-hole to filter outer tube correspondence first cavity department, it sets up the second through-hole to filter outer tube correspondence second cavity department, it is equipped with the filter screen to filter outer tube outer wall cover. As described above, the air filtering device for a condensing furnace of the present invention solves the problem that the prior art only provides the function of discharging flue gas and the function of entering air, and can not filter dust and particles in the air.)

1. An air filtering device for a condensing furnace, comprising: interior tobacco pipe elbow, outer tobacco pipe elbow, straight interior tobacco pipe, straight outer tobacco pipe, its characterized in that still includes: the filter comprises a filter inner pipe, a filter outer pipe, a filter shell and a filter screen;

the inner smoke pipe elbow is sleeved with the outer smoke pipe elbow, the straight inner smoke pipe is sleeved with the straight outer smoke pipe, and the filtering inner pipe is sleeved with the filtering outer pipe;

one end of the inner smoke pipe elbow is connected with one end of the straight inner smoke pipe, and the other end of the inner smoke pipe elbow is connected with the filtering inner pipe; outer smoke pipe elbow one end with straight outer smoke pipe one end is connected, the outer smoke pipe elbow other end with filter outer union coupling, it is equipped with to filter the outer tube overcoat filter casing, filter the outer tube with filter and be provided with ring packing between the inner tube, filter the outer tube with filter and pass through between the inner tube ring packing separates into first cavity and second cavity, it corresponds to filter the outer tube first cavity department sets up first through-hole, it corresponds to filter the outer tube second cavity department sets up the second through-hole, it is equipped with to filter outer tube outer wall cover the filter screen, the filter screen is located the second through-hole outside.

2. The air filtering device for the condensing furnace according to claim 1, wherein the filter casing is provided with an observation window, and the observation window is a transparent observation window.

3. An air filter unit for a condensing furnace according to claim 1, wherein the other end portion of said straight inner smoke pipe extends out of said straight outer smoke pipe.

4. The air filtering device for the condensing furnace as claimed in claim 1, wherein the other end of said straight inner smoke tube is provided with a third through hole.

5. The air filter for a condensing furnace as claimed in claim 1, wherein the other end of said straight outer flue tube is provided with a fourth through hole.

Technical Field

The invention relates to the technical field of heating ventilation, in particular to an air filtering device for a condensing furnace.

Background

As shown in fig. 1, at present, the device for air intake and smoke exhaust of the condensing furnace includes an inner smoke pipe elbow 1, an outer smoke pipe elbow 2, a straight inner smoke pipe 3 and a straight outer smoke pipe 4, the outer smoke pipe elbow 2 is sleeved outside the inner smoke pipe elbow 1, the straight outer smoke pipe 4 is sleeved outside the straight inner smoke pipe 3, one end of the inner smoke pipe elbow 1 is connected with one end of the straight inner smoke pipe 3, one end of the outer smoke pipe elbow 2 is connected with one end of the straight outer smoke pipe 4, smoke of the condensing furnace is exhausted through the inner smoke pipe elbow 1 and the straight inner smoke pipe 3, and fresh air enters the condensing furnace from the straight outer smoke pipe 4 and the outer smoke pipe elbow 2.

The existing product only provides the smoke discharging function and the air inlet function, but a lot of dust and particles in the air enter the interior of the condensing furnace along with the air. When the condensing furnace works, the dust and the particles are stuck by condensed water generated by the condensing furnace and are left in the condensing furnace, and the more the substances are accumulated along with the work of the condensing furnace, the surfaces of the heat exchangers in the condensing furnace are finally covered. Thereby reducing the working efficiency of the condensing furnace and blocking a condensed water discharge channel, so that the condensing furnace can not work normally. At this time, the maintenance personnel need to open the interior of the condensing furnace for cleaning. Maintenance is time consuming and labor intensive and maintenance personnel need certain technical capabilities, increasing after-sales difficulties.

Disclosure of Invention

In view of the above-mentioned disadvantages of the prior art, an object of the present invention is to provide an air filtering device for a condensing furnace, which is used to solve the problem that the prior art only provides a smoke exhausting function and an air intake function, and cannot filter dust and particles in the air.

To achieve the above and other related objects, the present invention provides an air filtering device for a condensing furnace, comprising: interior tobacco pipe elbow, outer tobacco pipe elbow, straight interior tobacco pipe, straight outer tobacco pipe still include: the filter comprises a filter inner pipe, a filter outer pipe, a filter shell and a filter screen;

the inner smoke pipe elbow is sleeved with the outer smoke pipe elbow, the straight inner smoke pipe is sleeved with the straight outer smoke pipe, and the filtering inner pipe is sleeved with the filtering outer pipe;

one end of the inner smoke pipe elbow is connected with one end of the straight inner smoke pipe, and the other end of the inner smoke pipe elbow is connected with the filtering inner pipe; outer smoke pipe elbow one end with straight outer smoke pipe one end is connected, the outer smoke pipe elbow other end with filter outer union coupling, it is equipped with to filter the outer tube overcoat filter casing, filter the outer tube with filter and be provided with ring packing between the inner tube, filter the outer tube with filter and pass through between the inner tube ring packing separates into first cavity and second cavity, it corresponds to filter the outer tube first cavity department sets up first through-hole, it corresponds to filter the outer tube second cavity department sets up the second through-hole, it is equipped with to filter outer tube outer wall cover the filter screen, the filter screen is located the second through-hole outside.

According to a preferable technical scheme, the filter shell is provided with an observation window, and the observation window is a transparent observation window.

As a preferable technical scheme, the other end part of the straight inner smoke tube extends out of the straight outer smoke tube.

As a preferred technical scheme, a third through hole is formed in the other end of the straight inner smoke pipe.

As a preferred technical scheme, a fourth through hole is formed in the other end of the straight outer smoke pipe.

As described above, the air filter device for a condensing furnace according to the present invention has the following advantageous effects: the flue gas is discharged through filtering inner tube, interior tobacco pipe elbow and straight interior tobacco pipe, and fresh air is through directly outer tobacco pipe and outer tobacco pipe elbow to first cavity, and fresh air passes through first through-hole to filter housing, rethread second through-hole to second cavity, and then gets into the condensing furnace, and fresh air is when passing through the second through-hole, and the filter screen in the second through-hole outside filters fresh air, with dust and granule filtering in the fresh air, and reasonable in design is suitable for production and popularization and application.

Drawings

FIG. 1 is a schematic diagram of a prior art device disclosed in the background art;

FIG. 2 is a schematic structural view of an air filtering device for a condensing furnace according to an embodiment of the present invention;

FIG. 3 is a sectional view of a filter housing of an air filter for a condensing furnace according to an embodiment of the present invention;

wherein the reference numerals are specified as follows:

background art: 1. an inner smoke pipe elbow; 2. an outer flue pipe elbow; 3. a straight inner smoke tube; 4. a straight outer smoke tube;

in the specific embodiment: 5. an inner smoke pipe elbow; 6. an outer flue pipe elbow; 7. a straight inner smoke tube; 8. a straight outer smoke tube; 9. filtering the inner tube; 10. filtering the outer tube; 11. a filter housing; 12. a filter screen; 13. a first through hole; 14. a second through hole; 15. a third through hole; 16. a fourth via hole; 17. a first cavity; 18. a second cavity.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 2 to 3. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Referring to fig. 2 to 3, the present invention provides an air filtering device for a condensing furnace, including: interior tobacco pipe elbow 5, outer tobacco pipe elbow 6, straight interior tobacco pipe 7, straight outer tobacco pipe 8 still include: a filtering inner tube 9, a filtering outer tube 10, a filter shell 11 and a filter screen 12;

an outer smoke pipe elbow 6 is sleeved outside the inner smoke pipe elbow 5, a straight outer smoke pipe 8 is sleeved outside the straight inner smoke pipe 7, and a filtering outer pipe 10 is sleeved outside the filtering inner pipe 9;

one end of the inner smoke tube elbow 5 is connected with one end of the straight inner smoke tube 7, and the other end of the inner smoke tube elbow 5 is connected with the filtering inner tube 9; outer flue pipe elbow 6 one end is connected with 8 one ends of straight outer flue pipe, the outer flue pipe elbow 6 other end and filtration outer tube 10 are connected, it is equipped with filter housing 11 to filter outer tube 10 overcoat, it is provided with ring packing to filter outer tube 10 and filter between the inner tube 9, filter outer tube 10 and filter and separate into first cavity 17 and second cavity 18 through ring packing between the inner tube 9, it sets up first through-hole 13 to filter outer tube 10 and correspond first cavity 17 department, it sets up second through-hole 14 to filter outer tube 10 and correspond second cavity 18 department, it is equipped with filter screen 12 to filter outer tube 10 outer wall cover, filter screen 12 is located the 14 outsides of second through-hole.

The utility model provides an air filter that condensing furnace used has seted up the observation window on the filter housing 11, and the observation window is transparent observation window, is convenient for observe the in service behavior of filter screen 12 through transparent observation window, and when filter screen 12 was too dirty, can in time discover, in time change.

In the air filter for condensing furnace provided by this embodiment, the other end of the straight inner smoke tube 7 extends out of the straight outer smoke tube 8.

In the air filtering device for the condensing furnace provided by the present embodiment, the other end of the straight inner smoke tube 7 is provided with the third through hole 15.

In the air filtering device for the condensing furnace provided by the present embodiment, the other end of the straight outer smoke tube 8 is provided with a fourth through hole 16.

In a specific use: the flue gas is discharged through filtering inner tube 9, interior tobacco pipe elbow 5 and straight interior tobacco pipe 7, and fresh air is through directly outer tobacco pipe 8 and outer tobacco pipe elbow 6 to first cavity 17, and fresh air passes through first through-hole 13 to filter housing 11, rethread second through-hole 14 to second cavity 18, and then gets into the condensing furnace, and fresh air is when passing through second through-hole 14, and filter screen 12 outside second through-hole 14 filters fresh air, with dust and particle filtering in the fresh air.

In conclusion, the air filtering device for the condensing furnace solves the problem that dust and particles in air cannot be filtered only by providing the smoke discharging function and the air entering function in the prior art, is reasonable in design, and is suitable for production, popularization and application. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.