Exhaust emission device
By designing an exhaust gas emission device that utilizes heat exchange between the exhaust gas and the water in the tank, the problem of energy waste caused by the direct emission of boiler combustion exhaust gas is solved, achieving waste heat recovery and exhaust gas purification, increasing boiler water temperature and saving energy.
Patent Information
- Application Number
- CN202423199086.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-12-24
AI Technical Summary
The direct emission of exhaust gas from existing boilers leads to energy waste and fails to effectively utilize the residual heat in the exhaust gas.
Design an exhaust gas emission device that combines a filter box, a water tank, and an aeration disc to achieve waste heat recovery through heat exchange between exhaust gas and water, and ensures exhaust gas purification through multi-stage filtration and sterilization components.
It effectively utilizes the waste heat in the exhaust gas to increase the boiler water temperature, saves natural gas usage, and at the same time purifies the exhaust gas, preventing energy waste and water pollution.
Smart Images

Figure CN223954185U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to steam pipeline technical field, concretely relates to a waste gas emission device. BACKGROUND
[0002] In each hospital or school, hot water needs to be supplied, and hot water is generally in the form of heating water by burning natural gas through a boiler, but in the process of burning of the existing boiler, the flue gas after burning is discharged to the outside after simple filtration, because the temperature of the waste gas is high, so that the waste heat in the waste gas cannot be utilized after filtration, and energy waste is easily caused. CONTENT
[0003] The utility model discloses a waste gas emission device to solve the problem in the background art. To achieve the above object, the utility model provides the following technical scheme: a filter box communicated with a waste gas pipe, a water tank fixed to the bottom of the filter box and communicated with the air outlet of the filter box through an exhaust pump, an exhaust pipe communicated with the exhaust pump and located at the inner bottom of the water tank and a plurality of aeration discs fixed to the exhaust pipe, the upper portion of the water tank is provided with a gas release pipe communicated with the outside, and the lower pipe opening of the gas release pipe is higher than the liquid level in the water tank.
[0004] Further, the top of the water tank is communicated with a water inlet pipe, and the first water outlet pipe of the water tank is communicated with a boiler water tank.
[0005] Further, the inside of the filter box is provided with a spraying cavity, the filter box is further provided with a first filter chamber, a second filter chamber and a third filter chamber communicated with the spraying cavity in sequence, and the third filter chamber is communicated with the air inlet pipe of the exhaust pump through a transition cavity.
[0006] Further, the first filter chamber is provided with a light oxygen assembly, the second filter chamber is provided with an activated carbon assembly, and the third filter chamber is provided with an ultraviolet sterilization assembly.
[0007] Further, the bottom of the spraying cavity is provided with a drain pipe communicated with a drain pump, the drain pipe is communicated with a filter cartridge in the water tank, the top of the filter cartridge is communicated with a spiral coil pipe, the second water outlet pipe of the spiral coil pipe penetrates the water tank, and the spiral coil pipe is located in the water tank.
[0008] Further, the filter core of the filter cartridge is an activated carbon filter core.
[0009] Further, the top of the spraying cavity is provided with a plurality of spraying pipes, and a plurality of spray heads are arranged on the spraying pipes.
[0010] Further, the bottom of the filter box is connected with a support frame, and the support frame is provided with a support plate, and the water tank is placed on the support plate.
[0011] Compared with the prior art, the water tank is arranged, and the filtered waste gas is introduced into the water tank through the exhaust pump and exchanges heat with water in the water tank, so that the waste heat in the waste gas is effectively utilized, and waste of energy is prevented. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0013] Fig. 1 It is a schematic diagram of the overall structure of the present application.
[0014] Fig. 2 It is a schematic diagram of the local section of the present application.
[0015] Wherein: 1, spray pipe; 2, filter box; 3, waste gas pipe; 4, drain pipe; 5, drain pump; 6, exhaust pump; 7, air release pipe; 8, water tank; 9, support frame; 10, support plate; 11, first filter chamber; 12, spray chamber; 13, spiral coil; 14, activated carbon filter element; 15, water filter cylinder; 16, aerator; 17, exhaust pipe; 18, third filter chamber; 19, transition chamber; 20, second filter chamber. DETAILED DESCRIPTION
[0016] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined application purposes, the following will combine the drawings and the preferred embodiments to specifically describe the specific embodiments, structures, features and effects of the present application.
[0017] Embodiment: please refer to Figs. 1-2The utility model discloses a waste gas emission device, including the filter box 2 who communicates with waste gas pipe 3, the water tank 8 who is fixed to the bottom of filter box 2 and is communicated with the water tank 8 of filter box 2's gas outlet by exhaust pump 6, the exhaust pipe 17 who communicates exhaust pump 6's gas outlet pipe and is located the bottom in water tank 8 and is fixed to several aeration disc 16 on exhaust pipe 17, the upper portion of water tank 8 is equipped with the air release pipe 7 who communicates outside, and the lower portion pipe of air release pipe 7 is higher than the liquid level in water tank 8, so the temperature higher waste gas after filtering will be passed into water tank 8 by exhaust pump 6, and the gas passes through aeration disc 16 to contact with water in the form of small bubbles, to exchange heat with water, and further improve the temperature of water in water tank 8, so in the utility model, waste gas after filtering will exchange heat with the water of lower temperature in water tank 8, effectively utilize the waste heat in waste gas, prevent the waste of energy, and the top of water tank 8 is communicated with the inlet pipe, and the first water outlet pipe of water tank 8 is communicated with the boiler water tank, so as to improve the initial temperature of water in the boiler water tank, and save the use of natural gas, in addition, the water in water tank 8 can adopt the form of flowing water, that is, water is entered on one side, and water is discharged on the other side, so as to ensure that the water flow temperature in water tank 8 does not continuously rise, thereby reducing the heat exchange intensity with the gas.
[0018] In the embodiment, the inside of the filter box 2 is provided with a spraying cavity 12, the top of the spraying cavity 12 is provided with a plurality of spraying pipes 1, the spraying pipes 1 are provided with a plurality of spray heads, so as to realize spraying of the waste gas, so as to discharge dust, oil fume and the like in the waste gas; the filter box 2 is further provided with a first filtering chamber 11, a second filtering chamber 20 and a third filtering chamber 18 which are sequentially communicated with the spraying cavity 12, the third filtering chamber 18 is communicated with the air inlet pipe of the exhaust pump 6 through a transition cavity 19, the first filtering chamber 11 is provided with a light oxygen assembly, the second filtering chamber 20 is provided with an activated carbon assembly, and the third filtering chamber 18 is provided with an ultraviolet sterilization assembly, so as to further eliminate toxic gas in the waste gas and filter impurities in the waste gas, so as to prevent the waste gas from affecting the quality of water in the water tank 8; in addition, a water filtering device can also be installed in the water tank 8 and the filter water tank 8, so as to further ensure the quality of water flow; during the spraying process, heat exchange occurs between the spraying water and the waste gas, so as to heat the spraying water, therefore, in the embodiment, the bottom of the spraying cavity 12 is provided with a drain pipe 4 which is communicated with a drain pump 5, the drain pipe 4 is communicated with a water filtering cylinder 15 in the inside of the water tank 8, the top of the water filtering cylinder 15 is communicated with a spiral coil pipe 13, the second water outlet pipe of the spiral coil pipe 13 penetrates through the water tank 8, and the spiral coil pipe 13 is located in the inside of the water tank 8, so as to make the spraying water with higher temperature exchange heat with the water in the water tank 8, so as to further improve the utilization rate of waste heat in the waste gas; the filter core of the water filtering cylinder 15 is an activated carbon filter core 14, so as to filter the waste gas and prevent impurities in the waste water from blocking the pipeline; and the bottom of the filter box 2 is connected with a support frame 9, the support frame 9 is provided with a support plate 10, and the water tank 8 is placed on the support plate 10, so as to ensure the stability of the support of the water tank 8 and the filter box 2.
[0019] The working principle of the embodiment is as follows: the waste gas with high temperature enters the spraying cavity 12 through the waste gas pipe 3 to be sprayed, the sprayed waste gas is filtered in sequence through the first filtering cavity 11, the second filtering cavity 20 and the third filtering cavity 18 under the action of the exhaust pump 6, then becomes small bubbles through the aeration disc 16 to contact with water, so that heat exchange is carried out between the waste gas and the water, and the temperature of the water in the water tank 8 is increased; and the sprayed waste water is in sequence into the filtering cylinder 15 and the spiral coil pipe 13 under the action of the water pump 5, and heat exchange is carried out between the waste water and the water in the water tank 8 in the process; therefore, the filtered waste gas carries out heat exchange with the water with low temperature in the water tank 8, the waste heat in the waste gas is effectively utilized, and the waste of energy is prevented.
[0020] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein, the terms "on", "above", "under", "below", "left", "right", "front", "rear", and the like are used for explanation purposes only and are not intended to be limiting.
[0021] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with the preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to make equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any modification, equivalent change and modification of the above embodiment, which does not depart from the technical solution of the present application, is still within the scope of the technical solution of the present application.
Claims
1. A waste gas emission device, characterized in that: The system includes a filter box (2) connected to an exhaust pipe (3), a water tank (8) fixed to the bottom of the filter box (2) and connected to the air outlet of the filter box (2) via an exhaust pump (6), an exhaust pipe (17) connected to the exhaust pump (6) and located at the bottom of the water tank (8), and several aeration discs (16) fixed to the exhaust pipe (17). The upper part of the water tank (8) is provided with a vent pipe (7) connected to the outside, and the lower opening of the vent pipe (7) is higher than the liquid level inside the water tank (8).
2. The exhaust gas emission device according to claim 1, characterized in that: The top of the water tank (8) is connected to the water inlet pipe, and the first water outlet pipe of the water tank (8) is connected to the boiler water tank.
3. The exhaust gas emission device according to claim 1, characterized in that: The filter box (2) is provided with a spray chamber (12) inside. The filter box (2) is also provided with a first filter chamber (11), a second filter chamber (20) and a third filter chamber (18) that are sequentially connected to the spray chamber (12). The third filter chamber (18) is connected to the air inlet pipe of the exhaust pump (6) through a transition chamber (19).
4. The exhaust gas emission device according to claim 3, characterized in that: The first filter chamber (11) is equipped with a photo-oxidation component, the second filter chamber (20) is equipped with an activated carbon component, and the third filter chamber (18) is equipped with an ultraviolet sterilization component.
5. The exhaust gas emission device according to claim 3, characterized in that: The bottom of the spray chamber (12) is provided with a drain pipe (4) that is connected to the drain pump (5). The drain pipe (4) is connected to the filter cylinder (15) inside the water tank (8). The top of the filter cylinder (15) is connected to a spiral coil (13). The second outlet pipe of the spiral coil (13) passes through the water tank (8). The spiral coil (13) is located inside the water tank (8).
6. The exhaust gas emission device according to claim 5, characterized in that: The filter element of the water filter cartridge (15) is an activated carbon filter element (14).
7. The exhaust gas emission device according to claim 3, characterized in that: The top of the spray chamber (12) is provided with several spray pipes (1), and several nozzles are provided on the spray pipes (1).
8. The exhaust gas emission device according to claim 1, characterized in that: The bottom of the filter box (2) is connected to a support frame (9), and a support plate (10) is provided on the support frame (9). The water tank (8) is placed on the support plate (10).