Waste gas treatment device with waste heat recovery function for carbon fiber cotton production
By designing a waste gas treatment device with waste heat recovery function, and utilizing V-shaped angle guiding waste gas preheating and multi-angle spray purification, the environmental pollution and energy waste caused by direct emission of waste gas in carbon fiber cotton production are solved, achieving efficient purification of waste gas and waste heat recovery.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-24
AI Technical Summary
The direct emission of waste gas generated during the production of carbon fiber cotton leads to environmental pollution and energy waste, and existing treatment devices have failed to effectively recover the waste heat from the waste gas.
A waste gas treatment device with waste heat recovery function was designed, including an air inlet box, a waste heat utilization mechanism and a spraying mechanism. The waste gas is preheated by a V-shaped inclined plate through a heat exchange tube, and then sprayed and purified from multiple angles by an annular pipe and atomizing nozzles in the spraying mechanism. Activated carbon is used for further purification.
It achieves efficient purification of waste gas and recovery and utilization of waste heat, improves heat utilization efficiency, and reduces environmental pollution and energy waste.
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Figure CN224024680U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to carbon fiber cotton production related technical field especially, it is a kind of waste gas treatment device with waste heat recovery function for carbon fiber cotton production. BACKGROUND
[0002] In the carbon fiber cotton production process, a large number of components complex waste gas will be generated, if direct emission, will cause serious pollution to atmospheric environment, traditional processing device often neglects the large amount of waste heat contained in waste gas, directly discharges waste gas, resulting in great waste of energy, therefore, especially need a kind of waste gas treatment device with waste heat recovery function for carbon fiber cotton production.
[0003] For the above problems, therefore, a kind of waste gas treatment device with waste heat recovery function for carbon fiber cotton production is provided. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of waste gas treatment device with waste heat recovery function for carbon fiber cotton production, to solve the existing waste gas treatment device with waste heat recovery function for carbon fiber cotton production proposed in above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of waste gas treatment device with waste heat recovery function for carbon fiber cotton production, including intake tank, the bottom of intake tank is equipped with waste heat utilization mechanism, one side of waste heat utilization mechanism is equipped with spray mechanism;
[0006] The waste heat utilization mechanism includes the processing box installed at the bottom of intake tank, the right side wall of processing box is equipped with baffle, the left side wall of processing box is equipped with first inclined plate, the left side wall of processing box is equipped with second inclined plate above first inclined plate, heat exchange pipe is equipped between the top wall of processing box and baffle, and the upper and lower ends of heat exchange pipe are equipped with mounting plate.
[0007] Preferably, the top of intake tank is equipped with air inlet pipe, the right side of processing box is equipped with first pipeline, the tail end of first pipeline is equipped with fan, the air outlet end of fan is equipped with second pipeline, and the tail end of second pipeline is connected with spray mechanism.
[0008] Preferably, the waste heat utilization mechanism further includes the groove opened at the top of processing box, the right side wall of processing box is equipped with burner, and burner is equipped below baffle, the surface of baffle is equipped with first circular hole, and the surface of mounting plate is equipped with second circular hole.
[0009] Preferably, the first inclined plate and second inclined plate form V-shaped angle, and the angle opening is towards the side of baffle.
[0010] Preferably, the top of the heat exchange pipe is fixed to the bottom of the groove through the mounting plate, the bottom of the heat exchange pipe is fixed to the top of the partition plate through the mounting plate, and the top and bottom of the heat exchange pipe are arranged in the first circular hole and the second circular hole respectively.
[0011] Preferably, the spraying mechanism comprises a treatment tank mounted on one side of the treatment box, the top of the treatment tank is provided with an air outlet, the inner wall of the treatment tank is provided with a first annular pipe, the lower portion of the first annular pipe is provided with an activated carbon filling layer, the surface of the first annular pipe is provided with a fixing member, the lower portion of the first annular pipe is provided with a second annular pipe, the bottom of the first annular pipe is provided with an atomizing nozzle, and the first annular pipe and the second annular pipe are provided with a connecting pipe.
[0012] Preferably, the spraying mechanism comprises a treatment tank mounted on one side of the treatment box, the top of the treatment tank is provided with an air outlet, the inner wall of the treatment tank is provided with a first annular pipe, the lower portion of the first annular pipe is provided with an activated carbon filling layer, the surface of the first annular pipe is provided with a fixing member, the lower portion of the first annular pipe is provided with a second annular pipe, the bottom of the first annular pipe is provided with an atomizing nozzle, and the first annular pipe and the second annular pipe are provided with a connecting pipe.
[0013] Preferably, the spraying mechanism comprises a treatment tank mounted on one side of the treatment box, the top of the treatment tank is provided with an air outlet, the inner wall of the treatment tank is provided with a first annular pipe, the lower portion of the first annular pipe is provided with an activated carbon filling layer, the surface of the first annular pipe is provided with a fixing member, the lower portion of the first annular pipe is provided with a second annular pipe, the bottom of the first annular pipe is provided with an atomizing nozzle, and the first annular pipe and the second annular pipe are provided with a connecting pipe.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The waste gas treatment device with waste heat recovery function for carbon fiber cotton production is provided with a waste heat utilization mechanism, the V-shaped included angle formed by the first inclined plate and the second inclined plate increases the flow path of the waste gas in the treatment box, and the waste gas can fully contact the heat exchange pipe, so that the heat utilization efficiency is greatly improved.
[0016] In the spraying mechanism, the first annular pipe and the second annular pipe are each provided with two places, and are provided with multiple groups of atomizing nozzles distributed with the center as the axis, so that the spraying liquid can be contacted with the waste gas in all directions and at multiple angles, and the comprehensiveness and uniformity of the spraying purification are ensured. ACCURATE DRAWINGS
[0017] Figure 1 It is a whole structure schematic diagram of the utility model;
[0018] Figure 2 It is an exploded structure schematic diagram of the waste heat utilization mechanism of the utility model Figure One ;
[0019] Figure 3 It is an exploded structure schematic diagram of the waste heat utilization mechanism of the utility model Figure Two ;
[0020] Figure 4 It is an exploded structure schematic diagram of the spraying mechanism of the utility model Figure One ;
[0021] Figure 5 This is an exploded view of the spraying mechanism of this utility model. Figure Two .
[0022] In the diagram: 1. Air inlet box; 2. Waste heat utilization mechanism; 201. Treatment box; 202. Baffle plate; 203. First inclined plate; 204. Second inclined plate; 205. Heat exchange tube; 206. Mounting plate; 207. Groove; 208. Burner; 209. First round hole; 210. Second round hole; 3. Spraying mechanism; 301. Treatment tank; 302. Air outlet; 303. First annular pipe; 304. Activated carbon filling layer; 305. Fixing component; 306. Second annular pipe; 307. Atomizing nozzle; 308. Connecting pipe; 4. Air inlet pipe; 5. First pipeline; 6. Fan; 7. Second pipeline. Detailed Implementation
[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0024] Example
[0025] like Figures 1-3 As shown, the system includes an air intake box 1, a waste heat utilization mechanism 2 at the bottom of the air intake box 1, a spraying mechanism 3 on one side of the waste heat utilization mechanism 2, an air intake pipe 4 at the top of the air intake box 1, a first pipe 5 on the right side of the treatment box 201, a fan 6 at the end of the first pipe 5, a second pipe 7 at the air outlet of the fan 6, and the end of the second pipe 7 connected to the spraying mechanism 3. The waste heat utilization mechanism 2 includes a treatment box 201 installed at the bottom of the air intake box 1, a partition 202 on the right side wall of the treatment box 201, and a first inclined plate 2 on the left side wall of the treatment box 201. 03. The left side wall of the processing box 201 is provided with a second inclined plate 204 above the first inclined plate 203. A heat exchange tube 205 is provided between the top wall of the processing box 201 and the partition 202. Mounting plates 206 are provided at both the upper and lower ends of the heat exchange tube 205. The waste heat utilization mechanism 2 also includes a groove 207 opened on the top of the processing box 201. A burner 208 is provided on the right side wall of the processing box 201 and is located below the partition 202. A first round hole 209 is opened on the surface of the partition 202 and a second round hole 210 is opened on the surface of the mounting plate 206.
[0026] It should be noted that in the present embodiment, the waste gas generated in the production process of carbon fiber cotton enters the air inlet tank 1 through the air inlet pipe 4, and the waste gas enters the treatment tank 201 from the bottom of the air inlet tank 1. In the treatment tank 201, the upper and lower ends of the heat exchange pipe 205 are fixed to the bottom of the groove 207 on the top of the treatment tank 201 and the top of the partition plate 202 through the mounting plate 206, respectively, and the second circular hole 210 is opened on the mounting plate 206. The first circular hole 209 is opened on the partition plate 202, and the top and bottom of the heat exchange pipe 205 are arranged in the two circular holes, respectively. The waste gas passes through the first circular hole 209 through the groove 207, and then passes through the first circular hole 209 of the bottom mounting plate 206 of the heat exchange pipe 205, and flows out from the second circular hole 210 of the partition plate 202. The burner 208 is arranged on the right side wall of the treatment tank 201 below the partition plate 202. The temperature of the waste gas is raised after passing through the heating area of the burner 208, so that it is more easily reacted with the spraying liquid, thereby enhancing the waste gas treatment effect. Since the first inclined plate 203 and the second inclined plate 204 form a V-shaped angle and the opening is directed to the side of the partition plate 202, the first inclined plate 203 and the second inclined plate 204 guide the heated waste gas to pass through the heat exchange pipe 205. The heat in the waste gas is transferred to the heat exchange pipe 205 to preheat the waste gas inside the heat exchange pipe 205, realizing waste heat utilization. Subsequently, the waste gas is transported to the fan 6 through the first pipeline 5, and the fan 6 provides power to pressurize the waste gas and transport it to the spraying mechanism 3 through the second pipeline 7 for subsequent treatment.
[0027] As shown in Figure 4 , 5 The spraying mechanism 3 includes a treatment tank 301 installed on one side of the treatment tank 201. The top of the treatment tank 301 is provided with an air outlet 302. The inner wall of the treatment tank 301 is provided with a first annular pipe 303. The lower side of the first annular pipe 303 is provided with an activated carbon filling layer 304. The surface of the first annular pipe 303 is provided with a fixing piece 305. The bottom of the first annular pipe 303 is provided with a second annular pipe 306. The bottom of the first annular pipe 303 is provided with an atomizing nozzle 307. The first annular pipe 303 and the second annular pipe 306 are provided with a connecting pipe 308.
[0028] It should be noted that in the embodiment, the exhaust gas enters the treatment tank 301 from the second pipeline 7, the first annular pipe 303 and the second annular pipe 306 are arranged in the treatment tank 301, and each has two, the first annular pipe 303 is installed in the treatment tank 301 through the fixing piece 305 and is located above the activated carbon filling layer 304, a plurality of groups of atomizing nozzles 307 are obliquely arranged at the bottom of the first annular pipe 303 and are distributed around the center of the first annular pipe 303, and the other group of atomizing nozzles 307 is distributed around the center of the second annular pipe 306; when the spraying liquid is transported to the first annular pipe 303 through the pipeline and then is transported to the second annular pipe 306 through the connecting pipe 308, the atomizing nozzles 307 atomize and spray the spraying liquid, the exhaust gas is fully contacted with the spraying liquid, the pollutants in the exhaust gas are chemically reacted with or are adsorbed by the spraying liquid, so that preliminary purification is realized, the exhaust gas that is preliminarily purified by spraying continues to flow downwards and enters the activated carbon filling layer 304, the activated carbon has rich pore structure and large specific surface area, adsorbs the residual small particles, organic pollutants and part of harmful gases in the exhaust gas that are not removed by spraying, and further improves the purification degree of the exhaust gas, and the exhaust gas that is double purified by spraying and activated carbon adsorption is discharged from the gas outlet 302 at the top of the treatment tank 301.
[0029] The working principle of the utility model is as follows:
[0030] Referring to the drawings in the specification Figures 1-5 The exhaust gas generated in the production process of the carbon fiber cotton enters the air inlet tank 1 through the air inlet pipe 4, and the exhaust gas enters the treatment tank 201 from the bottom of the air inlet tank 1; in the treatment tank 201, the upper and lower ends of the heat exchange pipe 205 are fixed to the bottom of the groove 207 at the top of the treatment tank 201 and the top of the partition plate 202 respectively through the mounting plate 206, and the second circular hole 210 is formed in the mounting plate 206, the first circular hole 209 is formed in the partition plate 202, and the top and bottom of the heat exchange pipe 205 are arranged in the two circular holes respectively; the exhaust gas passes through the first circular hole 209 in the groove 207, then passes through the first circular hole 209 in the bottom mounting plate 206 of the heat exchange pipe 205, and finally flows out from the second circular hole 210 in the partition plate 202; the burner 208 is arranged on the right side wall of the treatment tank 201 and below the partition plate 202, the temperature of the exhaust gas is increased after passing through the heating area of the burner 208, so that the exhaust gas is more likely to react with the spraying liquid, thereby enhancing the exhaust gas treatment effect; since the first inclined plate 203 and the second inclined plate 204 form a V-shaped angle and the opening is directed to one side of the partition plate 202, the heated exhaust gas is guided to pass through the heat exchange pipe 205 by the first inclined plate 203 and the second inclined plate 204, the heat in the exhaust gas is transferred to the heat exchange pipe 205 to preheat the exhaust gas in the heat exchange pipe 205, and waste heat utilization is realized.
[0031] Subsequently, the exhaust gas is transported to the fan 6 through the first pipeline 5, the fan 6 provides power, the exhaust gas is pressurized and then is transported to the spraying mechanism 3 through the second pipeline 7 for subsequent treatment, and the exhaust gas enters the treatment tank 301 from the second pipeline 7.
[0032] The first annular pipe 303 and the second annular pipe 306 are arranged in the treatment tank 301, and each has two positions, the first annular pipe 303 is arranged in the treatment tank 301 through the fixing part 305 and is located above the activated carbon filling layer 304, a plurality of groups of atomizing nozzles 307 are arranged on the bottom of the first annular pipe 303 and are distributed around the center of the first annular pipe 303, and another group of atomizing nozzles 307 is distributed around the center of the second annular pipe 306, when the spraying liquid is transported to the first annular pipe 303 through the pipeline and is transported to the second annular pipe 306 through the connecting pipe 308, the atomizing nozzles 307 atomize and spray the spraying liquid, the spraying liquid fully contacts with the waste gas, the pollutants in the waste gas are chemically reacted with or adsorbed by the spraying liquid, so that the preliminary purification is realized, the waste gas after the preliminary purification by spraying continues to flow downwards and enters the activated carbon filling layer 304, the activated carbon has rich pore structure and large specific surface area, adsorbs the residual small particles, organic pollutants and part of harmful gases in the waste gas which are not removed by spraying, further improves the purification degree of the waste gas, and the waste gas after the double purification by spraying and activated carbon adsorption is discharged from the gas outlet 302 at the top of the treatment tank 301.
[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A waste gas treatment device for carbon fiber cotton production with waste heat recovery function, comprising an air inlet box (1), characterized in that: The bottom of the air inlet tank (1) is provided with a waste heat utilization mechanism (2), one side of the waste heat utilization mechanism (2) is provided with a spraying mechanism (3); The waste heat utilization mechanism (2) comprises a treatment tank (201) installed at the bottom of the air inlet tank (1), the right side wall of the treatment tank (201) is provided with a partition plate (202), the left side wall of the treatment tank (201) is provided with a first inclined plate (203), the left side wall of the treatment tank (201) is provided with a second inclined plate (204) above the first inclined plate (203), the top wall of the treatment tank (201) and the partition plate (202) are provided with a heat exchange pipe (205), and the upper and lower ends of the heat exchange pipe (205) are provided with mounting plates (206).
2. The waste gas treatment device with waste heat recovery function for carbon fiber cotton production according to claim 1, characterized in that: The top of the air inlet tank (1) is provided with an air inlet pipe (4), the right side of the treatment tank (201) is provided with a first pipeline (5), the tail end of the first pipeline (5) is provided with a fan (6), the air outlet end of the fan (6) is provided with a second pipeline (7), and the tail end of the second pipeline (7) is connected with the spraying mechanism (3).
3. The waste gas treatment device with waste heat recovery function for carbon fiber cotton production according to claim 1, characterized in that: The waste heat utilization mechanism (2) further comprises a groove (207) formed at the top of the treatment tank (201), the right side wall of the treatment tank (201) is provided with a burner (208), and the burner (208) is arranged below the partition plate (202), the surface of the partition plate (202) is provided with a first circular hole (209), and the surface of the mounting plate (206) is provided with a second circular hole (210).
4. The waste gas treatment device with waste heat recovery function for carbon fiber cotton production according to claim 1, characterized in that: The first inclined plate (203) and the second inclined plate (204) form a V-shaped angle, and the angle opening is towards one side of the partition plate (202).
5. The waste gas treatment device with waste heat recovery function for carbon fiber cotton production according to claim 1, characterized in that: The top of the heat exchange pipe (205) is fixed to the bottom of the groove (207) through the mounting plate (206), the bottom of the heat exchange pipe (205) is fixed to the top of the partition plate (202) through the mounting plate (206), and the top and bottom of the heat exchange pipe (205) are arranged in the first circular hole (209) and the second circular hole (210) respectively.
6. The waste gas treatment device with waste heat recovery function for carbon fiber cotton production according to claim 1, characterized in that: The spraying mechanism (3) comprises a treatment tank (301) installed on one side of the treatment tank (201), the top of the treatment tank (301) is provided with an air outlet (302), the inner wall of the treatment tank (301) is provided with a first annular pipe (303), the lower side of the first annular pipe (303) is provided with an activated carbon filling layer (304), the surface of the first annular pipe (303) is provided with a fixing piece (305), the lower side of the first annular pipe (303) is provided with a second annular pipe (306), and the bottom of the first annular pipe (303) is provided with an atomizing nozzle (307), and the first annular pipe (303) and the second annular pipe (306) are provided with a connecting pipe (308).
7. The waste gas treatment device with waste heat recovery function for carbon fiber cotton production according to claim 6, characterized in that: The atomizing nozzle (307) is provided with multiple groups with the center of the first annular pipe (303) as the axis, and is provided with two places, and the atomizing nozzle (307) is provided with multiple groups with the center of the second annular pipe (306) as the axis.
8. The waste gas treatment device with waste heat recovery function for carbon fiber cotton production according to claim 6, characterized in that: The first annular pipe (303) and the second annular pipe (306) are respectively provided with two places, and the activated carbon filling layer (304) is arranged between the two first annular pipes (303) and the second annular pipes (306), and the first annular pipe (303) is installed in the treatment tank (301) through the fixing part (305).