Waste heat recovery treatment equipment capable of improving heat exchange efficiency

Through the design and insulation layer of the spiral structure of the water and gas pipe, the contact time between exhaust gas and water and the heat exchange path are extended, and the problems of low heat exchange efficiency and hot water cooling in existing equipment are solved, achieving efficient heat exchange and insulation effects.

CN223243384UActive Publication Date: 2025-08-19TAIZHOU VOCATIONAL COLLEGE OF SCI & TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422068538.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-26
Publication Date
2025-08-19
Estimated Expiration
2034-08-26

AI Technical Summary

Technical Problem

In the existing waste heat recovery and treatment equipment, the waste gas and water are not in sufficient contact, resulting in low heat exchange efficiency and easy cooling when stored hot water, which affects the use efficiency.

Method used

The water pipe and air pipe design with a spiral structure extends the stroke of water and hot gas in the box, and improves heat exchange efficiency through the spiral channel and insulation layer. Combined with the spiral water pipe located in the spiral air pipe for full heating, double heating of the water in the insulated water tank.

Benefits of technology

It improves the heat exchange efficiency between waste gas and water, ensures that the hot water maintains temperature during storage, and improves the overall efficiency of waste heat recovery and treatment equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223243384U_ABST
    Figure CN223243384U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of waste heat recovery treatment, in particular to waste heat recovery treatment equipment capable of improving heat exchange efficiency, which comprises a box body, an annular water storage tank is arranged in the box body, a fixing plate is fixedly arranged on the upper portion of the box body and positioned on the outer side of the annular water storage tank, and a first cavity is arranged on the upper portion of the box body. A second cavity is formed in the lower portion of the box body, a spiral air pipe is fixedly arranged in the box body, and a spiral water pipe is fixedly arranged in the box body. The moving stroke of water in the box body can be prolonged through the spiral structure of the spiral water pipe, and then the moving stroke of hot air in the box body can be prolonged through the thread structure of the spiral air pipe, so that the strokes of the water and the hot air in the box body are prolonged, sufficient heat conduction of the water and the hot air is facilitated, and the heat exchange efficiency is improved; and finally, the spiral water pipe is located in the spiral air pipe so that water in the spiral water pipe can be fully heated through hot air, and the heat exchange efficiency is further improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery and treatment, in particular to waste heat recovery and treatment equipment for improving heat exchange efficiency. Background Art

[0002] As we all know, in order to prevent environmental pollution, the waste gas generated by the factory needs to be purified. During the emission process of industrial waste gas, a large amount of heat energy will be contained. A large amount of heat energy will be discharged into the air along with the waste gas, causing energy loss. The heat energy in the waste gas needs to be recovered and treated.

[0003] Current waste heat recovery equipment typically spirals the exhaust gas pipe around the water pipe or places the water pipe inside an exhaust tank. This only prolongs the travel distance of the exhaust gas or water, resulting in inadequate contact between the exhaust gas and water, which affects heat exchange efficiency. Furthermore, after heating the water, it is typically discharged into a water tank for storage. This storage of hot water in the tank can easily cause the hot water to cool, thus affecting its usability. Therefore, a waste heat recovery device with improved heat exchange efficiency is needed. Utility Model Content

[0004] The purpose of the present invention is to provide a waste heat recovery and processing device that improves heat exchange efficiency, so as to overcome the above-mentioned defects in the prior art.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: A waste heat recovery and treatment device for improving heat exchange efficiency, comprising a box body, a cover plate is provided at the upper end of the box body, an annular water storage tank is provided inside the box body, an annular cover plate is provided at the upper end of the annular water storage tank, four support rods are fixedly provided at the lower end of the annular water storage tank, a fixing plate is fixedly provided on the upper part of the box body, the fixing plate is located on the outside of the annular water storage tank, a first cavity is provided inside the box body above the fixing plate and on the outside of the annular water storage tank, a second cavity is provided inside the box body below the fixing plate and on the outside of the annular water storage tank, a spiral air pipe is fixedly provided inside the box body, the lower end of the spiral air pipe is located outside the box body, the upper end of the spiral air pipe is communicated with the first cavity, a spiral water pipe is fixedly provided inside the box body, the spiral water pipe is located inside the spiral air pipe, the lower end of the spiral water pipe is located outside the box body, the upper end of the spiral water pipe is communicated with the inside of the annular water storage tank, and a processing box for filtering and adsorbing gas is fixedly provided at the inner lower end of the annular water storage tank.

[0006] Preferably, a fixing rod is fixed on the upper side of the treatment box, a spiral plate is fixed on the outer side of the fixing rod, a spiral channel is formed on the inner side of the annular water storage tank through the spiral plate, and the first cavity is connected to the upper part of the spiral channel.

[0007] Preferably, a first one-way valve is provided in communication with the interior of the treatment box and the lower portion of the spiral channel. A plurality of activated carbon plates are spaced apart on one side of the interior of the treatment box, and a plurality of adsorption plates are spaced apart on the other side of the interior of the treatment box. A second one-way valve is provided in communication with the treatment box and the second cavity. The first one-way valve is located on one side of the upper portion of the treatment box, and the second one-way valve is located on the other side of the treatment box. The plurality of activated carbon plates and adsorption plates are both located between the first and second one-way valves. The first and second one-way valves are conventional and will not be described in detail.

[0008] Preferably, the lower portion of the annular water storage tank is connected to the outside of the tank body and is provided with a water outlet pipe, and a first ball valve is provided inside the water outlet pipe. The first ball valve is prior art and will not be described in detail.

[0009] Preferably, an exhaust pipe is provided on one side of the upper portion of the second cavity, and a second ball valve is provided inside the exhaust pipe. The second ball valve is prior art and will not be described in detail.

[0010] Preferably, a gas detector is installed on the upper portion of the second cavity, and a third ball valve is installed on the fixed plate. The gas detector and the third ball valve are prior art and will not be described in detail.

[0011] Preferably, the inner wall of the box body is provided with a heat-insulating layer, wherein the heat-insulating layer is used to insulate the box body, thereby reducing the efficiency of cooling the box body, so as to insulate the water in the annular water storage tank.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model can extend the travel of water in the box through the spiral structure of the spiral water pipe, and then extend the travel of hot air in the box through the threaded structure of the spiral air pipe, so that the water and hot air can both extend their travels in the box, so as to fully conduct heat between the water and the hot air, thereby improving the efficiency of heat exchange; finally, the spiral water pipe is located inside the spiral air pipe so that the hot air can fully heat the water in the spiral water pipe, further improving the efficiency of heat exchange.

[0014] 2. The utility model can firstly form an annular water storage tank into an annular structure so as to make the contact area between the water in the annular water storage tank and the inner wall and the outer wall of the annular water storage tank larger, and then the hot air moves in a spiral in the spiral channel, so that the hot air in the spiral channel heats and keeps the water in the annular water storage tank warm; finally, the hot air in the second cavity moves upward to further heat and keep the water in the annular water storage tank warm, so as to achieve dual heating and heat preservation effects on the inside and outside of the annular water storage tank, thereby improving the efficiency of heat exchange.

[0015] 3. The utility model can first locate the annular water storage tank in the box body so as to maintain the temperature of the water in the annular water storage tank, and then provide a heat-insulating layer on the inner wall of the box body, thereby reducing the efficiency of the temperature drop in the box body, so as to improve the heat preservation effect of the water in the annular water storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 It is an isometric structural schematic diagram of the present utility model.

[0018] Figure 2 It is a schematic diagram of the isometric structure of the internal structure of the box body in the present invention.

[0019] Figure 3 This is an oblique isometric structural diagram of the internal structure of the box body in the present invention.

[0020] Figure 4 It is a schematic diagram of the top view structure of the utility model.

[0021] Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure at AA in the middle.

[0022] Figure 6 for Figure 4 Schematic diagram of the cross-sectional structure at BB in the middle.

[0023] In the figure, the box body 10, the cover plate 11, the annular water storage tank 12, the support rod 13, the spiral water pipe 14, the spiral air pipe 15, the fixing plate 16, the annular cover plate 17, the fixing rod 18, the spiral plate 19, the spiral channel 20, the processing box 21, the first one-way valve 22, the second one-way valve 23, the activated carbon plate 24, the adsorption plate 25, the gas detector 26, the exhaust pipe 27, the second ball valve 28, the third ball valve 29, the water outlet pipe 30, the first ball valve 31, the insulation layer 32, the first cavity 33, and the second cavity 34. DETAILED DESCRIPTION

[0024] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be given below with reference to relevant references, and several embodiments of the present invention are given. However, the present invention can be implemented 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 invention more thorough and comprehensive.

[0026] See also Figure 1-5 The utility model provides a technical solution: a waste heat recovery and processing equipment for improving heat exchange efficiency, comprising a box body 10, a cover plate 11 is bolted to the upper end of the box body 10, an annular water storage tank 12 is provided inside the box body 10, an annular cover plate 17 is bolted to the upper end of the annular water storage tank 12, four support rods 13 are welded and fixed to the lower end of the annular water storage tank 12, a fixing plate 16 is welded and fixed to the upper part of the box body 10, the fixing plate 16 is located on the outside of the annular water storage tank 12, the inside of the box body 10 is located above the fixing plate 16 and is located on the outside of the annular water storage tank 12. A first cavity 33 is provided inside the box body 10. A second cavity 34 is provided below the fixed plate 16 and on the outside of the annular water storage tank 12. A spiral air pipe 15 is welded and fixed to the inside of the box body 10. The lower end of the spiral air pipe 15 is located outside the box body 10, and the upper end of the spiral air pipe 15 is communicated with the first cavity 33. A spiral water pipe 14 is welded and fixed to the inside of the box body 10. The spiral water pipe 14 is located inside the spiral air pipe 15, and the lower end of the spiral water pipe 14 is located outside the box body 10. The upper end of the spiral water pipe 14 is communicated with the inside of the annular water storage tank 12. A processing box 21 for filtering and adsorbing the gas is fixed by bolts at the inner lower end of the annular water storage tank 12.

[0027] Further, such as Figure 2-5 As shown, a fixing rod 18 is fixed on the upper side of the processing box 21, and a spiral plate 19 is fixed on the outer side of the fixing rod 18. A spiral channel 20 is formed on the inner side of the annular water storage tank 12 through the spiral plate 19, and the first cavity 33 is connected to the upper part of the spiral channel 20.

[0028] Further, such as Figure 6 As shown, the interior of the processing box 21 is connected to the lower part of the spiral channel 20 and is provided with a first one-way valve 22. A plurality of activated carbon plates 24 are spaced apart on one side of the interior of the processing box 21, and a plurality of adsorption plates 25 are spaced apart on the other side of the interior of the processing box 21. The processing box 21 is connected to the second cavity 34 and is provided with a second one-way valve 23. The first one-way valve 22 is located on one side of the upper part of the processing box 21, and the second one-way valve 23 is located on the other side of the processing box 21. The plurality of activated carbon plates 24 and the adsorption plates 25 are both located between the first one-way valve 22 and the second one-way valve 23.

[0029] Further, such as Figure 5As shown, the lower portion of the annular water storage tank 12 is connected to the outside of the box body 10 and is provided with a water outlet pipe 30 , and a first ball valve 31 is provided inside the water outlet pipe 30 .

[0030] Further, such as Figure 5 As shown, an exhaust pipe 27 is provided on one side of the upper portion of the second cavity 34 , and a second ball valve 28 is provided inside the exhaust pipe 27 .

[0031] Further, such as Figure 5 As shown, a gas detector 26 is installed on the upper portion of the second cavity 34 , and a third ball valve 29 is provided on the fixing plate 16 .

[0032] Further, such as Figure 5-6 As shown, the inner wall of the box body 10 is provided with a heat-insulating layer 32 .

[0033] During use, the staff connects the lower end of the spiral air pipe 15 with one end of the air pump, and the other end of the air pump with the exhaust gas box, and the lower end of the spiral water pipe 14 is connected with one end of the water pump, and the other end of the water pump is connected with the water tank; the staff starts the air pump and the water pump, and the water pump starts to allow the water in the water tank to enter the spiral water pipe 14, and the spiral structure of the spiral water pipe 14 extends the travel of the water in the box body 10; and the air pump starts to allow the hot air in the exhaust gas box to enter the spiral air pipe 15, and the threaded structure of the spiral air pipe 15 extends the travel of the hot air in the box body 10, thereby extending the travel of the water and hot air in the box body 10, so that the water and hot air can fully conduct heat and improve the efficiency of heat exchange; and then the spiral water pipe 14 is located inside the spiral air pipe 15 so that the hot air can fully heat the water in the spiral water pipe 14, further improving the efficiency of heat exchange.

[0034] After being heated, the water in the spiral water pipe 14 enters the annular water storage tank 12 for storage, and the hot air in the spiral air pipe 15 enters the first cavity 33, and the hot air in the first cavity 33 enters the spiral channel 20, thereby extending the travel of the hot air inside the annular water storage tank 12 through the spiral structure of the spiral channel 20, so as to heat and keep the water in the annular water storage tank 12 warm; then, the hot air in the spiral channel 20 enters the treatment box 21 through the first one-way valve 22, and is subjected to multiple treatments on the hot air through a number of activated carbon plates 24 and adsorption plates 25. The treated hot air enters the second cavity 34 through the second one-way valve 23, and the hot air in the second cavity 34 moves upward to further heat and keep the water in the annular water storage tank 12 warm, so as to perform dual heating and insulation on the inside and outside of the annular water storage tank 12, thereby improving the efficiency of heat exchange.

[0035] Finally, the hot gas in the second cavity 34 moves upward and contacts the gas detector 26, thereby detecting the hot gas in the second cavity 34 through the gas detector 26. When the gas detector 26 detects that the gas in the second cavity 34 meets the emission standards, the gas detector 26 transmits the information to the control terminal, which opens the second ball valve 28, thereby allowing the gas in the second cavity 34 to be discharged through the exhaust pipe 27. When the gas detector 26 detects that the gas in the second cavity 34 does not meet the emission standards, the gas detector 26 transmits the information to the control terminal, which opens the third ball valve 29, allowing the gas in the second cavity 34 to enter the first cavity 33 through the third ball valve 29, so as to perform secondary treatment on the gas, thereby ensuring that the discharged gas meets the emission standards. Among them, the water in the annular water storage tank 12 is kept warm in the box body 10, so that the staff can open the first ball valve 31 to discharge the hot gas in the annular water storage tank 12 through the outlet pipe 30 for use.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited by the appended claims and their equivalents.

Claims

1. A waste heat recovery and processing device for improving heat exchange efficiency, comprising a box (10), characterized in that: The upper end of the box body (10) is provided with a cover plate (11), an annular water storage tank (12) is provided inside the box body (10), an annular cover plate (17) is provided at the upper end of the annular water storage tank (12), four support rods (13) are fixedly provided at the lower end of the annular water storage tank (12), a fixing plate (16) is fixedly provided on the upper part of the box body (10), the fixing plate (16) is located outside the annular water storage tank (12), a first cavity (33) is provided inside the box body (10) above the fixing plate (16) and outside the annular water storage tank (12), and the interior of the box body (10) is located below the fixing plate (16) and outside the annular water storage tank (12). A second cavity (34) is provided on the side of the box body (10), a spiral air pipe (15) is fixedly provided inside the box body (10), the lower end of the spiral air pipe (15) is located outside the box body (10), and the upper end of the spiral air pipe (15) is communicated with the first cavity (33), a spiral water pipe (14) is fixedly provided inside the box body (10), the spiral water pipe (14) is located inside the spiral air pipe (15), the lower end of the spiral water pipe (14) is located outside the box body (10), and the upper end of the spiral water pipe (14) is communicated with the inside of the annular water storage tank (12), and a processing box (21) for filtering and adsorbing gas is fixedly provided at the lower end of the inner side of the annular water storage tank (12).

2. The waste heat recovery and treatment equipment for improving heat exchange efficiency according to claim 1, characterized in that: A fixing rod (18) is fixed on the upper side of the treatment box (21), a spiral plate (19) is fixed on the outer side of the fixing rod (18), a spiral channel (20) is formed on the inner side of the annular water storage tank (12) through the spiral plate (19), and the first cavity (33) is connected to the upper part of the spiral channel (20).

3. The waste heat recovery and treatment equipment for improving heat exchange efficiency according to claim 2, characterized in that: The interior of the treatment box (21) is connected to the lower part of the spiral channel (20) and is provided with a first one-way valve (22). A plurality of activated carbon plates (24) are spaced apart on one side of the interior of the treatment box (21), and a plurality of adsorption plates (25) are spaced apart on the other side of the interior of the treatment box (21). The treatment box (21) is connected to the second cavity (34) and is provided with a second one-way valve (23). The first one-way valve (22) is located on one side of the upper part of the treatment box (21), and the second one-way valve (23) is located on the other side of the treatment box (21). The plurality of activated carbon plates (24) and the adsorption plates (25) are both located between the first one-way valve (22) and the second one-way valve (23).

4. The waste heat recovery and treatment equipment for improving heat exchange efficiency according to claim 2, characterized in that: The lower part of the annular water storage tank (12) is connected to the outside of the box body (10) and is provided with a water outlet pipe (30), and a first ball valve (31) is provided inside the water outlet pipe (30).

5. The waste heat recovery and treatment equipment for improving heat exchange efficiency according to claim 1, characterized in that: An exhaust pipe (27) is provided on one side of the upper portion of the second cavity (34), and a second ball valve (28) is provided inside the exhaust pipe (27).

6. The waste heat recovery and treatment equipment for improving heat exchange efficiency according to claim 5, characterized in that: A gas detector (26) is installed on the upper portion of the second cavity (34), and a third ball valve (29) is provided on the fixed plate (16).

7. The waste heat recovery and treatment equipment for improving heat exchange efficiency according to claim 1, characterized in that: The inner wall of the box body (10) is provided with a heat-insulating layer (32).