CN215808590U

CN215808590U - Smoke exhaust shaft with heat recovery function

Info

Publication number: CN215808590U
Application number: CN202121239992.5U
Authority: CN
Inventors: 邢志超; 徐勇
Original assignee: IT Electronics Eleventh Design and Research Institute Scientific and Technological Engineering Corp
Current assignee: IT Electronics Eleventh Design and Research Institute Scientific and Technological Engineering Corp
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-02-11
Anticipated expiration: 2031-06-04

Abstract

The utility model relates to a smoke exhaust vertical shaft with a heat recovery function, which comprises a smoke exhaust vertical shaft and a branch pipeline; a heat recoverer is installed in the smoke exhaust shaft through a fixing frame; the bottom of the heat recovery device is provided with a smoke absorption hood communicated with the heat recovery device, and the top of the heat recovery device is provided with a smoke exhaust pipe communicated with the heat recovery device; a first partition plate and a second partition plate are installed in the heat recoverer, and divide the interior of the heat recoverer into an upper chamber, a middle chamber and a lower chamber; a plurality of flue gas heat exchange tubes are arranged in the middle cavity, a plurality of first connecting holes and second connecting holes are respectively formed in the first partition plate and the second partition plate, and the upper end and the lower end of each flue gas heat exchange tube are respectively connected with the first connecting holes and the second connecting holes; the inner cavity of the middle cavity is respectively communicated with a water inlet pipeline and a water outlet pipeline. The smoke exhaust shaft is simple in structure, convenient to use and good in heat exchange effect, heat contained in high-temperature smoke in the smoke exhaust shaft can be fully recovered, heat energy can be fully utilized, and the purposes of energy conservation and environmental protection are achieved.

Description

Smoke exhaust shaft with heat recovery function

Technical Field

The utility model relates to the technical field of smoke exhaust shafts, in particular to a smoke exhaust shaft with a heat recovery function.

Background

With the increasing importance of the society on natural environment protection, energy conservation and environmental protection are important contents for the development of production enterprises. The energy-saving and environment-friendly energy-saving device can effectively improve the utilization rate of energy, reduce the production cost, reduce the product price and improve the product competitiveness and economic benefit. In building buildings, each family can produce a large amount of high temperature smoke and dust when cooking, and high temperature smoke and dust is discharged in the shaft that discharges fume by branch pipeline direct introduction usually, and the shaft that discharges fume among the prior art does not have fine heat recovery function, leads to the inside heat of shaft to utilize, and this not only wastes a large amount of heat energy resources in vain, also does not do benefit to energy-concerving and environment-protective.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects in the prior art and provides a smoke exhaust vertical shaft with a heat recovery function.

The utility model is realized by the following technical scheme: a smoke exhaust shaft with a heat recovery function comprises a vertical smoke exhaust shaft designed in a building wall body and a plurality of horizontal branch pipelines communicated with the smoke exhaust shaft through connecting pieces and leading to each household; a heat recoverer is installed in the smoke exhaust shaft through a fixing frame; the bottom of the heat recoverer is provided with a smoke absorption hood communicated with the heat recoverer, and the top of the heat recoverer is provided with a smoke exhaust pipe communicated with the heat recoverer; the heat recovery device is characterized in that a first partition plate and a second partition plate are installed in the heat recovery device, the outer edges of the first partition plate and the second partition plate are welded with the inner wall of the heat recovery device, and the first partition plate and the second partition plate divide the interior of the heat recovery device into an upper cavity, a middle cavity and a lower cavity; a plurality of flue gas heat exchange tubes are arranged in the middle cavity, a plurality of first connecting holes and second connecting holes are formed in the first partition plate and the second partition plate respectively, and the upper end and the lower end of each flue gas heat exchange tube are connected with the first connecting holes and the second connecting holes respectively; the inner cavity of the middle cavity is respectively communicated with a water inlet pipeline and a water outlet pipeline.

According to the technical scheme, preferably, the branch pipeline is sleeved with a support sleeve, two sides of the top of the support sleeve are respectively provided with a connecting block, the connecting blocks are respectively hinged with a connecting rod, and the other end of the connecting rod is hinged with a mounting seat; a damping mechanism is arranged between the bottom of the branch pipeline and the supporting sleeve and comprises a damping plate and a plurality of damping springs between the bottom of the damping plate and the bottom wall of the supporting sleeve; and a fastener is also arranged on the top wall of the support sleeve.

According to the technical scheme, preferably, the flue gas heat exchange tube is a spiral heat exchange tube.

According to the technical scheme, preferably, the other end of the water inlet pipeline is connected with an external water tank, and the other end of the water outlet pipeline leads to the indoor space of each household.

The utility model has the beneficial effects that: by arranging the heat recoverer in the smoke exhaust vertical shaft, hot smoke in a branch pipeline in each household enters a middle cavity of the heat recoverer to exchange heat through cold water conveyed by an external water tank, so that high-temperature smoke and cold water can exchange heat fully, the smoke with heat released is discharged from a smoke exhaust barrel of the heat recoverer, and hot water absorbing the heat flows out of a water outlet pipeline and is utilized; the smoke exhaust shaft is simple in structure, convenient to use and good in heat exchange effect, heat contained in high-temperature smoke in the smoke exhaust shaft can be fully recovered, heat energy can be fully utilized, and the purposes of energy conservation and environmental protection are achieved.

Drawings

Fig. 1 shows a schematic front view of an embodiment of the present invention.

In the figure: 1. a smoke exhaust shaft; 2. a connecting member; 3. branch pipelines; 4. a fixed mount; 5. a heat recovery device; 6. a smoke suction hood; 7. a smoke exhaust tube; 8. a first separator; 9. a second separator; 10. an upper chamber; 11. a middle chamber; 12. a lower chamber; 13. a flue gas heat exchange pipe; 14. a first connection hole; 15. (ii) a A second connection hole; 16. a water inlet pipeline; 17. a water outlet pipeline; 18. a support sleeve; 19. connecting blocks; 20. a connecting rod; 21. a mounting seat; 22. a damper plate; 23. a damping spring; 24. and (5) a fastener.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1, the smoke exhaust shaft with heat recovery function of the utility model comprises a vertical smoke exhaust shaft 1 designed in the wall body of a building and a plurality of horizontal branch pipelines 3 communicated with the smoke exhaust shaft 1 through connecting pieces 2 and leading to each household; a heat recoverer 5 is arranged in the smoke exhaust vertical shaft 1 through a fixing frame 4; a smoke absorption hood 6 communicated with the heat recoverer 5 is arranged at the bottom of the heat recoverer 5, and a smoke exhaust pipe 7 communicated with the heat recoverer 5 is arranged at the top of the heat recoverer 5; a first partition plate 8 and a second partition plate 9 are installed in the heat recoverer 5, the outer edges of the first partition plate 8 and the second partition plate 9 are welded with the inner wall of the heat recoverer 5, and the first partition plate 8 and the second partition plate 9 divide the interior of the heat recoverer 5 into an upper chamber 10, a middle chamber 11 and a lower chamber 12; a plurality of flue gas heat exchange tubes 13 are arranged in the middle chamber 11, a plurality of first connecting holes 14 and second connecting holes 15 are respectively formed in the first partition plate 8 and the second partition plate 9, and the upper end and the lower end of each flue gas heat exchange tube 13 are respectively connected with the first connecting hole 14 and the second connecting hole 15; the inner cavity of the middle chamber 11 is respectively communicated with a water inlet pipeline 16 and a water outlet pipeline 17.

The working principle is as follows: by arranging the heat recoverer 5 in the smoke exhaust vertical shaft 1, cold water conveyed by an external water tank in a middle chamber 11 of the heat recoverer 5 after hot smoke in a branch pipeline 3 in each household enters the middle chamber to exchange heat through the smoke heat exchange pipe 13, so that high-temperature smoke and cold water can exchange heat fully, the smoke after heat release is discharged from a smoke exhaust barrel 7 of the heat recoverer 5, and hot water absorbing heat flows out from a water outlet pipeline 17 and is utilized.

According to the technical scheme, preferably, the branch pipeline 3 is sleeved with a support sleeve 18, two sides of the top of the support sleeve 18 are respectively provided with a connecting block 19, the connecting blocks 19 are respectively hinged with a connecting rod 20, and the other end of the connecting rod 20 is hinged with a mounting seat 21, so that the branch pipeline 3 can be conveniently mounted and adjusted; a damping mechanism is arranged between the bottom of the branch pipeline 3 and the support sleeve 18, and comprises a damping plate 22 and a plurality of damping springs 23 between the bottom of the damping plate 22 and the bottom wall of the support sleeve 18, so that a damping effect can be achieved; the top wall of the support sleeve 18 is further provided with a fastener 24, which is convenient for fixing the branch pipeline 3 more stably.

According to the technical scheme, preferably, the flue gas heat exchange tube 13 is a spiral heat exchange tube, so that the contact area is increased conveniently, and the heating effect is good.

According to the technical scheme, preferably, the other end of the water inlet pipeline 16 is connected with an external water tank, and the other end of the water outlet pipeline 17 leads to the indoor space of each household, so that the outside can continuously convey water to the middle chamber 11 of the heat recovery device 5.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the utility model can be understood in specific cases to those of ordinary skill in the art.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A smoke exhaust shaft with a heat recovery function is characterized by comprising a vertical smoke exhaust shaft designed in a building wall body and a plurality of horizontal branch pipelines communicated with the smoke exhaust shaft through connecting pieces and leading to each household; a heat recoverer is installed in the smoke exhaust shaft through a fixing frame; the bottom of the heat recoverer is provided with a smoke absorption hood communicated with the heat recoverer, and the top of the heat recoverer is provided with a smoke exhaust pipe communicated with the heat recoverer; the heat recovery device is characterized in that a first partition plate and a second partition plate are installed in the heat recovery device, the outer edges of the first partition plate and the second partition plate are welded with the inner wall of the heat recovery device, and the first partition plate and the second partition plate divide the interior of the heat recovery device into an upper cavity, a middle cavity and a lower cavity; a plurality of flue gas heat exchange tubes are arranged in the middle cavity, a plurality of first connecting holes and second connecting holes are formed in the first partition plate and the second partition plate respectively, and the upper end and the lower end of each flue gas heat exchange tube are connected with the first connecting holes and the second connecting holes respectively; the inner cavity of the middle cavity is respectively communicated with a water inlet pipeline and a water outlet pipeline.

2. The smoke exhaust shaft with the heat recovery function as claimed in claim 1, wherein a support sleeve is sleeved on the branch pipe, connecting blocks are respectively arranged on two sides of the top of the support sleeve, connecting rods are respectively hinged to the connecting blocks, and a mounting seat is hinged to the other end of each connecting rod; a damping mechanism is arranged between the bottom of the branch pipeline and the supporting sleeve and comprises a damping plate and a plurality of damping springs between the bottom of the damping plate and the bottom wall of the supporting sleeve; and a fastener is also arranged on the top wall of the support sleeve.

3. A smoke evacuation shaft with heat recovery as claimed in claim 2 wherein said flue gas heat exchange tubes are helical heat exchange tubes.

4. The smoke evacuation shaft with heat recovery function as claimed in claim 3, wherein the other end of the water inlet pipeline is connected with an external water tank, and the other end of the water outlet pipeline is communicated with the indoor space of each household.