Flue gas heat recovery device
By designing connecting pipes that disperse the contact between flue gas and water and filter screens that filter impurities in the flue gas heat recovery device, the problem of impurities in the flue gas affecting heat recovery is solved, achieving efficient heat recovery and impurity filtration, and improving the device's performance.
Patent Information
- Application Number
- CN202520126834.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-17
AI Technical Summary
In air conditioning flue gas heat recovery devices, dust and other impurities in the flue gas can easily enter, affecting the heat recovery effect and resulting in incomplete heat recovery.
A flue gas heat recovery device was designed, comprising a recovery box and a filter box. It utilizes connecting pipes and surrounding pipes to disperse the contact between flue gas and water, and combines a filter screen to filter impurities, thereby achieving comprehensive heat recovery and effective filtration of impurities.
It improves the efficiency of flue gas heat recovery, ensures the full recovery of heat and effectively filters impurities, thereby enhancing the efficiency and effectiveness of the device.
Smart Images
Figure CN223726912U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of flue gas heat recovery device, in particular to a flue gas heat recovery device. BACKGROUND
[0002] Air conditioning flue gas heat recovery is a technology that recycles and reuses the flue gas waste heat in the air conditioning system. In the air conditioning system, flue gas waste heat recovery is usually combined with unit heat recovery technology. Unit heat recovery technology recycles and effectively utilizes the condensing heat of the water chiller, thereby achieving the purpose of energy saving.
[0003] When the air conditioning flue gas heat recovery device is in use, dust and other impurities in the flue gas are easy to enter the recovery device, affecting the heat recovery effect of the air conditioning flue gas heat recovery device, and the heat recovery of the flue gas is not thorough enough, affecting the use of the flue gas heat recovery device.
[0004] Therefore, there is an urgent need for a flue gas heat recovery device to solve the problem of insufficient heat recovery of flue gas. CONTENT OF THE INVENTION
[0005] In view of the deficiencies of the prior art, the present application provides a flue gas heat recovery device, which has the advantages of improving heat recovery efficiency and solving the problem of insufficient heat recovery of flue gas.
[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a flue gas heat recovery device, comprising a recovery tank, an air inlet pipe, a filter tank and a fixing seat, one end of the air inlet pipe is communicated with the bottom of the filter tank, the fixing seat is fixedly connected to the outer surface of the air inlet pipe by screws, the recovery tank is internally provided with a recovery mechanism, and the filter tank is internally provided with a filtering mechanism;
[0007] The recovery mechanism comprises a connecting box one, a water inlet pipe, a connecting box two, a connecting pipe one and a surrounding pipe, two groups of connecting box one and connecting box two are welded to the inner side of the recovery tank, the other end of the air inlet pipe is communicated with one group of connecting box two, the water inlet pipe is communicated with the outer side of one group of connecting box one, a plurality of groups of connecting pipe one are communicated at both ends with the inner sides of two groups of connecting box one, a plurality of groups of surrounding pipe are communicated at both ends with the inner sides of two groups of connecting box two, and the surrounding pipe surrounds the outer surface of the connecting pipe one.
[0008] The flue gas is dispersed by a plurality of groups of connecting pipe one, the flue gas enters another group of connecting box two through the connecting pipe one, the water enters the connecting box one from the water inlet pipe, the connecting pipe one disperses the water, the flue gas in the surrounding pipe outside the connecting pipe one heats the water in the connecting pipe one, the heat in the flue gas is comprehensively conducted to the water in the connecting pipe one by dispersing the water and the flue gas, and the flue gas heat recovery efficiency is improved.
[0009] Preferably, the connecting pipe one penetrates the connecting box two.
[0010] Preferably, another group of the connecting box two outer side is communicated with the gas outlet pipe, another group of the connecting box one outer side is communicated with the water outlet pipe, and the gas outlet pipe penetrates the connecting box one.
[0011] Preferably, the gas inlet pipe penetrates the connecting box one, and the connecting box one outer side is welded with the fixing seat.
[0012] Preferably, the filtering mechanism comprises a support ring, a collecting basket, a filter screen and a sealing plate, the support ring is welded on the inner side of the filtering box, the collecting basket is inserted on the inner side of the support ring, the filter screen is arranged on the bottom of the collecting basket, and the sealing plate is fixedly connected with the outer side of the filtering box through screws.
[0013] Preferably, the filtering box top is provided with the connecting pipe two.
[0014] In summary, the present application has at least one of the following beneficial effects:
[0015] 1. The flue gas heat recovery device, when the flue gas enters the connecting box two from the gas inlet pipe, the flue gas is dispersed through the connecting pipe one, the flue gas enters another group of the connecting box two through the connecting pipe one, the water enters the connecting box one from the water inlet pipe, the connecting pipe one disperses the water, the flue gas in the surrounding pipe around the outer side of the connecting pipe one heats the water in the connecting pipe one, the dispersion of the water and the flue gas allows the heat in the flue gas to be fully conducted to the water in the connecting pipe one, thereby improving the flue gas heat recovery efficiency and fully recovering the heat.
[0016] 2. The flue gas heat recovery device, through the filtering of the filter screen at the bottom of the three groups of collecting baskets, the dust and impurities in the flue gas entering the filtering box are fully filtered, so that the dust and impurities cannot enter the recovery device, the heat recovery effect of the flue gas heat recovery device is reduced, and the recovery device is used more efficiently. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a whole structure diagram of the heat recovery device of the present application;
[0018] Figure 2 It is an internal structure diagram of the recovery box of the present application;
[0019] Figure 3 It is a front view of the internal structure of the recovery box of the present application;
[0020] Figure 4 It is an internal structure diagram of the filtering box of the present application.
[0021] Wherein: 1, recovery box; 111, connecting box one; 112, water inlet pipe; 113, connecting box two; 114, connecting pipe one; 115, around pipe; 116, water outlet pipe; 117, gas outlet pipe; 2, gas inlet pipe; 211, support ring; 212, collection basket; 213, filter screen; 214, sealing plate; 215, connecting pipe two; 3, filter box; 4, fixing seat. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0023] Please refer to Figures 1-4 A flue gas heat recovery device, comprising a recovery box 1, a gas inlet pipe 2, a filter box 3 and a fixing seat 4, one end of the gas inlet pipe 2 is communicated with the bottom of the filter box 3, flue gas passes through the filter box 3 and enters the inside of the recovery box 1 for heat recovery, the fixing seat 4 is fixedly connected to the outer surface of the gas inlet pipe 2 by screws, the fixing seat 4 supports and fixes the gas inlet pipe 2, a recovery mechanism is arranged inside the recovery box 1, and a filter mechanism is arranged inside the filter box 3.
[0024] Specifically, the recovery mechanism comprises connecting box one 111, water inlet pipe 112, connecting box two 113, connecting pipe one 114 and around pipe 115, two groups of connecting box one 111 and connecting box two 113 are welded to the inner side of the recovery box 1, the other end of the gas inlet pipe 2 is communicated with one group of connecting box two 113, the water inlet pipe 112 is communicated with the outer side of one group of connecting box one 111, the gas inlet pipe 2 penetrates the connecting box one 111, the outer side of the connecting box one 111 is welded with the fixing seat 4, a plurality of groups of connecting pipe one 114 are communicated at both ends with the inner sides of the two groups of connecting box one 111, a plurality of groups of around pipe 115 are communicated at both ends with the inner sides of the two groups of connecting box two 113, the around pipe 115 surrounds the outer surface of the connecting pipe one 114, the connecting pipe one 114 penetrates the connecting box two 113, the outer side of the other group of connecting box two 113 is communicated with the gas outlet pipe 117, the outer side of the other group of connecting box one 111 is communicated with the water outlet pipe 116, and the gas outlet pipe 117 penetrates the connecting box one 111.
[0025] Through the technical scheme, when the flue gas enters into the connecting box two 113 from the air inlet pipe 2, the flue gas is dispersed by the plurality of groups of connecting pipes one 114, the flue gas enters into another group of connecting boxes two 113 through the connecting pipes one 114, the water enters into the connecting box one 111 from the water inlet pipe 112, the connecting pipes one 114 disperse the water, the flue gas in the surrounding pipe 115 surrounding the outside of the connecting pipes one 114 heats the water in the connecting pipes one 114, the heat in the flue gas is fully conducted to the water in the connecting pipes one 114 through the dispersion of the water and the flue gas, thereby improving the flue gas heat recovery efficiency and fully recovering the heat; the heated hot water is discharged from the water outlet pipe 116, and the flue gas with reduced temperature is discharged from the air outlet pipe 117.
[0026] Specifically, the filtering mechanism includes a support ring 211, a collecting basket 212, a filter screen 213 and a sealing plate 214, the support ring 211 is welded to the inner side of the filtering box 3, the collecting basket 212 is inserted into the inner side of the support ring 211, the filter screen 213 is arranged at the bottom of the collecting basket 212, the sealing plate 214 is fixedly connected to the outer side of the filtering box 3 through screws, and the connecting pipe two 215 is installed at the top of the filtering box 3.
[0027] Through the technical scheme, the flue gas enters into the filtering box 3 from the surrounding pipe 115 for treatment, the dust and impurities in the flue gas entering into the filtering box 3 are fully filtered through the filtering of the filter screens 213 at the bottoms of the three groups of collecting baskets 212, so that the dust and impurities cannot enter into the recycling device, the heat recovery effect of the flue gas heat recovery device is reduced, and the recycling device is used more efficiently; when too much impurities accumulate in the collecting basket 212, the sealing plate 214 can be opened by the worker to clean the impurities in the collecting basket 212.
[0028] In use, the flue gas is dispersed by the plurality of groups of connecting pipes one 114, the flue gas enters into another group of connecting boxes two 113 through the connecting pipes one 114, the water enters into the connecting box one 111 from the water inlet pipe 112, the connecting pipes one 114 disperse the water, the flue gas in the surrounding pipe 115 surrounding the outside of the connecting pipes one 114 heats the water in the connecting pipes one 114, the heat in the flue gas is fully conducted to the water in the connecting pipes one 114 through the dispersion of the water and the flue gas, thereby improving the flue gas heat recovery efficiency.
[0029] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A flue gas heat recovery device comprising a recovery tank (1), an air inlet pipe (2), a filter tank (3) and a fixing base (4), characterized in that: One end of the air inlet pipe (2) is communicated with the bottom of the filter box (3), the fixed seat (4) is fixedly connected to the outer surface of the air inlet pipe (2) through screws, the recycling box (1) is internally provided with a recycling mechanism, and the filter box (3) is internally provided with a filtering mechanism. The recycling mechanism comprises a connecting box one (111), a water inlet pipe (112), a connecting box two (113), a connecting pipe one (114) and a surrounding pipe (115), two groups of the connecting box one (111) and the connecting box two (113) are welded to the inner side of the recycling box (1), the other end of the air inlet pipe (2) is communicated with one group of the connecting box two (113), the water inlet pipe (112) is communicated to the outer side of one group of the connecting box one (111), a plurality of groups of the connecting pipe one (114) are communicated at two ends with the inner sides of two groups of the connecting box one (111), a plurality of groups of the surrounding pipe (115) are communicated at two ends with the inner sides of two groups of the connecting box two (113), and the surrounding pipe (115) surrounds the outer surface of the connecting pipe one (114).
2. A flue gas heat recovery device according to claim 1, characterised in that: The connecting pipe one (114) penetrates the connecting box two (113).
3. A flue gas heat recovery device according to claim 1, characterised in that: The other group of the connecting box two (113) is communicated with an air outlet pipe (117) on the outer side, the other group of the connecting box one (111) is communicated with a water outlet pipe (116) on the outer side, and the air outlet pipe (117) penetrates the connecting box one (111).
4. A flue gas heat recovery device according to claim 1, characterised in that: The air inlet pipe (2) penetrates the connecting box one (111), and the connecting box one (111) is welded with the fixed seat (4) on the outer side.
5. A flue gas heat recovery device according to claim 1, characterised in that: The filtering mechanism comprises a supporting ring (211), a collecting basket (212), a filter screen (213) and a sealing plate (214), the supporting ring (211) is welded to the inner side of the filter box (3), the collecting basket (212) is inserted into the inner side of the supporting ring (211), the filter screen (213) is arranged at the bottom of the collecting basket (212), and the sealing plate (214) is fixedly connected with the outer side of the filter box (3) through screws.
6. A flue gas heat recovery device according to claim 5, characterised in that: The filter box (3) is provided with a connecting pipe two (215) on the top.