Multi-stage waste gas waste heat recovery device

By using a multi-stage waste heat recovery device and heat exchange and filtration technologies, the problem of incomplete heat recovery from waste gas is solved, achieving efficient heat utilization and high-purity hot water production.

CN223470533UActive Publication Date: 2025-10-24PUYANG XINSHENG PRESSURE VESSEL CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423042729.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-10-24
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing waste gas treatment devices cannot effectively recover the heat from waste gas, resulting in energy waste.

Method used

Design a multi-stage waste gas heat recovery device. Waste gas is sent into the heat recovery pipe through the inlet pipe and exchanged with water sent into the water inlet pipe. The hot water is evenly distributed and impurities are filtered by the water distribution plate and the water purification filter screen to realize heat recovery and pure water production.

Benefits of technology

It achieves effective recovery of waste gas heat and high purity of hot water, reduces energy waste, and improves the applicability of hot water.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223470533U_ABST
    Figure CN223470533U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of waste gas waste heat recovery, in particular to a multi-stage waste gas waste heat recovery device which comprises a base, a waste heat recovery box is fixedly installed on the top of the base, a gas inlet pipe and a water inlet pipe are arranged on one side of the waste heat recovery box, and a gas outlet pipe and a water drainage pipe are arranged on the other side of the waste heat recovery box. The waste heat recycling device comprises a waste heat recycling box, a turnover cover plate capable of being opened is arranged above the waste heat recycling box, a first mounting frame body is fixedly mounted on the upper portion of the interior of the waste heat recycling box, and a second mounting frame body is arranged below the first mounting frame body. And water is fed into the first mounting frame body through the water inlet pipe, and when the water makes contact with gas in the waste heat recovery pipe, heat exchange is conducted between heat on the gas and the water so that the water can be heated, and therefore the purpose of waste heat recovery is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas waste heat recovery technical field, concretely is a kind of multistage waste gas waste heat recovery device. BACKGROUND

[0002] Waste gas refers to the various exhaust air of factory area fuel combustion and production process and have pollutant gas collectively, these substances enter the body of person through different ways respiratory tract, some directly produce harm, some have accumulation effect, can more seriously harm the health of person, in the process of chemical production operation, industrial waste gas is often produced, these waste gases contain more dust particulate matter and other harmful impurities, while having high heat, the existing waste gas treatment waste heat recovery device, when waste gas is treated, waste heat recovery effect is poor, and the function is single, these waste gases are often directly discharged after treatment, and the heat energy of waste gas is not utilized, causing energy waste.

[0003] The existing equipment has the following disadvantages when treating waste gas: it cannot recycle and use the heat of waste gas, which easily causes energy waste.

[0004] Therefore, it is necessary to design a multistage waste gas waste heat recovery device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a multistage waste gas waste heat recovery device to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A multistage waste gas waste heat recovery device includes a base, a waste heat recovery tank is fixedly installed on the top of the base, an air inlet pipe and a water inlet pipe are arranged on one side of the waste heat recovery tank, an air outlet pipe and a drain pipe are arranged on the other side of the waste heat recovery tank, an openable turnover cover plate is arranged above the waste heat recovery tank, a first mounting frame is fixedly installed inside the waste heat recovery tank, and a second mounting frame is arranged below the first mounting frame.

[0008] As a preferred scheme of the utility model, a waste heat recovery pipe is arranged inside the first mounting frame, the head of the waste heat recovery pipe is connected to the air inlet pipe, and the tail of the waste heat recovery pipe is connected to the air outlet pipe.

[0009] As a preferred scheme of the utility model, the waste heat recovery pipe is made of high-thermal-conductivity material.

[0010] As a preferred scheme of the utility model, a water distribution plate is fixedly installed inside the second mounting frame, and a clean water filter screen is arranged below the water distribution plate.

[0011] As the preferred scheme of the utility model, the left and right two side inner walls of the second installation frame body are provided with plug-in notches, and the left and right sides of the water distribution plate and the water filter screen are fixedly plugged in the corresponding plug-in notches.

[0012] As the preferred scheme of the utility model, the lower side of the second installation frame body is further connected with a drainage pump through a pipeline, and the output end of the drainage pump is fixedly connected to a drain pipe through a pipeline.

[0013] As the preferred scheme of the utility model, the bottom of the first installation frame body and the top of the second installation frame body are fixedly connected through a plurality of connecting pipelines.

[0014] As the preferred scheme of the utility model, the base surface of the waste heat recovery tank is provided with an observation window, and the base surface of the waste heat recovery tank is provided with an openable maintenance plate.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. In the utility model, when the waste heat recovery device is used, the waste gas with heat is sent into the waste heat recovery pipe through the air inlet pipe, and water is sent into the first installation frame body through the water inlet pipe, when the water and the gas in the waste heat recovery pipe contact, the heat on the gas and the water exchange heat to heat the water, so as to achieve the purpose of waste heat recovery.

[0017] 2. In the utility model, the water distribution plate in the second installation frame body is used to divide the hot water, and the divided water passes through the water distribution plate to reach the water filter screen below, and the water filter screen filters the impurities in the hot water, improves the purity of the hot water, and makes it suitable for daily use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the three-dimensional structure schematic diagram of the utility model after the turnover cover plate is opened;

[0020] Figure 3 It is the internal structure schematic diagram of the waste heat recovery tank of the utility model;

[0021] Figure 4 It is the overhead structure schematic diagram of the first installation frame body of the utility model.

[0022] In the figure: 1, base; 2, waste heat recovery tank; 3, air inlet pipe; 4, water inlet pipe; 5, air outlet pipe; 6, drain pipe; 7, turnover cover plate; 8, first mounting frame body; 81, waste heat recovery pipe; 9, second mounting frame body; 91, water distribution plate; 92, clean water filter screen; 93, drain pump; 10, connecting pipeline; 11, observation window; 12, access panel. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without any creative effort fall within the scope of the present application.

[0024] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings. Several embodiments of the present application are given. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0027] Embodiments, please see Figures 1-4 The present application provides a technical solution:

[0028] A kind of multistage exhaust gas waste heat recovery device, including base 1, the top of base 1 is fixedly installed with waste heat recovery tank 2, one side of waste heat recovery tank 2 is provided with air inlet pipe 3 and water inlet pipe 4 respectively, the other side of waste heat recovery tank 2 is provided with air outlet pipe 5 and drain pipe 6, the upper portion of waste heat recovery tank 2 is provided with openable turnover cover plate 7, the inside upper portion of waste heat recovery tank 2 is fixedly installed with first installation frame 8, the lower portion of first installation frame 8 is provided with second installation frame 9.

[0029] Specifically, the inside of first installation frame 8 is provided with waste heat recovery pipe 81, the head of waste heat recovery pipe 81 is communicated with air inlet pipe 3, and the tail is communicated with air outlet pipe 5;Waste heat recovery pipe 81 is made of high thermal conductivity material;By sending waste gas with heat into waste heat recovery pipe 81 through air inlet pipe 3, and sending water into the inside of first installation frame 8 using water inlet pipe 4, when water and gas in waste heat recovery pipe 81 contact, heat on gas and water exchange, to heat water, so as to achieve the purpose of waste heat recovery.

[0030] Specifically, the inside upper portion of second installation frame 9 is fixedly installed with water distribution plate 91, and the lower portion of water distribution plate 91 is provided with clean water filter screen 92;The lower portion of one side of second installation frame 9 is also connected with drain pump 93 through pipeline, and the output end of drain pump 93 is fixedly connected to drain pipe 6 through pipeline;The water distribution plate 91 in the inside of second installation frame 9 is used to divide hot water, and the divided water passes through water distribution plate 91 to reach clean water filter screen 92 below, and the impurities in hot water are filtered by clean water filter screen 92, so as to improve the purity of hot water and make it suitable for daily use.

[0031] Wherein, the left and right side inner walls of second installation frame 9 are provided with plug openings, and the left and right sides of water distribution plate 91 and clean water filter screen 92 are fixedly plugged into the corresponding plug openings;It is convenient to open access panel 12 to disassemble and replace water distribution plate 91 and clean water filter screen 92.

[0032] Wherein, the bottom of first installation frame 8 and the top of second installation frame 9 are fixedly connected by a plurality of connecting pipelines 10, and electric control valve is arranged on connecting pipeline 10 to control connecting pipeline 10.

[0033] Specifically, the upper portion of the base surface of waste heat recovery tank 2 is provided with observation window 11, and the lower portion of the base surface of waste heat recovery tank 2 is provided with openable access panel 12;The inside cavity can be observed through observation window 11, and the inside of tank can be repaired by opening access panel 12.

[0034] The utility model discloses a working procedure: when using the multistage waste gas waste heat recovery device, through the waste gas with heat is sent into the waste heat recovery pipe 81 through the inlet pipe 3, and utilize water inlet pipe 4 to send water into the first installation frame body 8 inside, when water and gas in waste heat recovery pipe 81 contact, the heat on gas and water carry out heat exchange, to heat water, to reach the purpose of waste heat recovery, after heated water is sent into the second installation frame body 9 inside through connecting pipe 10, utilize the water distribution plate 91 in the second installation frame body 9 inside to be used to divide equally hot water, the water after dividing equally passes through water distribution plate 91 and reaches the clean water filter screen 92 under, utilize clean water filter screen 92 to filter the impurity in hot water, has improved hot water purity, makes it applicable to daily use, finally again through the drainage pump 93 and exports hot water and uses.

[0035] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-stage exhaust gas waste heat recovery device comprising a base (1), characterized in that: The top of the base (1) is fixedly provided with a waste heat recovery tank (2), one side of the waste heat recovery tank (2) is respectively provided with an air inlet pipe (3) and a water inlet pipe (4), the other side of the waste heat recovery tank (2) is provided with an air outlet pipe (5) and a drain pipe (6), the upper portion of the waste heat recovery tank (2) is provided with an openable turnover cover plate (7), the inside of the waste heat recovery tank (2) is fixedly provided with a first mounting frame (8), and the lower portion of the first mounting frame (8) is provided with a second mounting frame (9).

2. The multi-stage exhaust heat recovery device according to claim 1, characterized by: The inside of the first mounting frame (8) is provided with a waste heat recovery pipe (81), the head of the waste heat recovery pipe (81) is communicated with the air inlet pipe (3), and the tail of the waste heat recovery pipe (81) is communicated with the air outlet pipe (5).

3. A multi-stage exhaust heat recovery device according to claim 2, characterized in that: The waste heat recovery pipe (81) is made of high-thermal-conductivity material.

4. The multi-stage exhaust heat recovery device according to claim 1, characterized by: The inside of the second mounting frame (9) is fixedly provided with a water distribution plate (91), and the lower portion of the water distribution plate (91) is provided with a clean water filter screen (92).

5. A multi-stage exhaust heat recovery device according to claim 4, characterized in that: The left and right side walls of the second mounting frame (9) are provided with plug-in notches, and the left and right sides of the water distribution plate (91) and the clean water filter screen (92) are fixedly plugged into the corresponding plug-in notches.

6. The multi-stage exhaust heat recovery device according to claim 1, characterized by: The lower portion of the second mounting frame (9) is further connected with a drain pump (93) through a pipeline, and the output end of the drain pump (93) is fixedly connected with the drain pipe (6) through a pipeline.

7. The multi-stage exhaust heat recovery device according to claim 1, characterized by: The bottom of the first mounting frame (8) and the top of the second mounting frame (9) are fixedly connected through a plurality of connecting pipelines (10).

8. The multi-stage exhaust heat recovery device according to claim 1, characterized by: The base of the waste heat recovery tank (2) is provided with an observation window (11), and the lower portion of the base of the waste heat recovery tank (2) is provided with an openable maintenance plate (12).