A dryer tail gas waste heat recovery device
By designing a waste heat recovery device for dryer exhaust gas, and using heat exchangers and purification tanks to treat the waste gas, the energy waste and dust impurity problems caused by the direct emission of waste heat and exhaust gas in existing technologies are solved, realizing the recycling and efficient purification of waste heat.
Patent Information
- Application Number
- CN202520013765.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-03
AI Technical Summary
Existing dryers typically discharge waste gas containing residual heat directly, resulting in energy waste and dust impurities affecting the utilization rate of the waste gas.
Design a waste heat recovery device for exhaust gas, which includes a heat exchanger, a condenser, a blower, and a purification tank. Waste heat gas is transferred to the heat exchanger for cooling through a transmission pipe. Outside gas enters the heat exchanger through the blower to exchange heat with the waste heat gas. Dust is adsorbed by the filter element in the purification tank, and impurities are stored through the ash discharge pipe, thus realizing the recycling and purification of waste heat.
It improves the utilization efficiency of waste heat recovery, keeps the heat exchanger surface clean, enhances heat transfer efficiency, and realizes the efficient extraction and utilization of heat in waste gas.
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Figure CN223610546U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to environmental protection engineering technical field, especially, relate to a drying -machine tail gas waste heat recovery device. BACKGROUND
[0002] The drying machine emits a large amount of waste gas containing waste heat in the running process, which not only causes energy waste, but also has a certain influence on the environment.
[0003] The existing equipment usually only discharges the waste gas containing waste heat after simple treatment when treating the waste gas containing waste heat, which greatly wastes the waste gas containing waste heat, and there are also a lot of dust and impurities in the waste gas, which greatly affects the utilization rate of the waste gas. UTILITY MODEL CONTENTS
[0004] The utility model discloses a drying -machine tail gas waste heat recovery device, through transmission pipe and purification tank, solve the existing equipment when treating the waste gas containing waste heat, usually only discharging the waste gas containing waste heat after simple treatment, which greatly wastes the waste gas containing waste heat, and there are also a lot of dust and impurities in the waste gas, which greatly affects the utilization rate of the waste gas problem.
[0005] To solve the above technical problems, the utility model is realized through the following technical schemes:
[0006] The utility model discloses a drying -machine tail gas waste heat recovery device, including the bottom plate, the top outer wall of the bottom plate is fixedly connected with a plurality of support legs, the top outer wall of a plurality of support legs is fixedly connected with the drying machine;
[0007] The top outer wall of the bottom plate is provided with recovery mechanism, the recovery mechanism includes heat exchanger, the bottom outer wall of heat exchanger is fixedly connected with the top outer wall of bottom plate, the inner wall of heat exchanger is fixedly connected with transmission pipe, the inner wall of the side of heat exchanger away from transmission pipe is fixedly connected with output pipe, the outer wall of the end of output pipe away from heat exchanger is fixedly connected with condenser, the inner wall of the side of condenser away from output pipe is fixedly connected with output pipe no.
[0008] Further, the purification mechanism includes an exhaust fan, the bottom outer wall of the exhaust fan is fixedly connected with the top outer wall of the dryer, the bottom output end of the exhaust fan is fixedly connected with a connecting pipe, the outer wall of the connecting pipe away from the exhaust fan is fixedly connected with the inner wall of the dryer, and the inner wall of the exhaust fan away from the exhaust fan is fixedly connected with a second transmission pipe.
[0009] Further, the outer wall of the second transmission pipe away from the exhaust fan is fixedly connected with a purification tank, and the outer wall of the purification tank is fixedly connected with a fixing frame.
[0010] Further, the bottom outer wall of the fixing frame is fixedly connected with the top outer wall of the bottom plate, and the inner wall of the purification tank is fixedly connected with a filter core.
[0011] Further, the top inner wall of the purification tank is fixedly connected with an ash outlet pipeline, and the outer wall of the ash outlet pipeline is fixedly connected with a fixing frame.
[0012] Further, the inner wall of the fixing frame is provided with a sliding groove, and the inner wall of the fixing frame is fixedly connected with an electric push rod.
[0013] Further, the bottom output end of the electric push rod is fixedly connected with a sliding plate, and the inner wall of the sliding groove is slidably connected with the outer wall of the sliding plate.
[0014] Further, the inner wall of the sliding plate is fixedly connected with a rotating disc, and the outer wall of the side of the rotating disc away from the rotating disc is fixedly connected with a baffle.
[0015] The utility model has the following beneficial effects:
[0016] 1、 the utility model discloses a transmission pipe is set up, and then the waste heat gas that filters through transmission pipe transmission to heat exchanger, then in through output pipe transmission to condenser and cool, and cooling is finished and will be through output pipe no.
[0017] 2, The utility model discloses a purification tank is set up, when waste heat gas enters the purification tank, the filter core in the purification tank will adsorb the dust carried in the waste heat gas, makes dust adhere on the filter core, and the larger impurity contained in the waste heat gas can fall in the ash outlet pipeline and is stored, subsequently starts electric push rod, and electric push rod starts will pull down the slide plate, when the slide plate moves down will drive the rotating disc to move, at this moment, the rotating disc will drive the baffle to rotate, when the baffle continues to rotate will open and close in the ash outlet pipeline, releases the impurity in the ash outlet pipeline to the outside, makes the filtered waste gas can keep the clean surface of heat exchanger, makes heat transfer more efficient, thereby improves the extraction and utilization efficiency of waste heat recovery device to the heat in waste gas.
[0018] Of course, it is not necessary for any product embodying the present utility model to achieve all of the above advantages simultaneously. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0020] Figure 1 It is the whole structure schematic view of the present utility model;
[0021] Figure 2 It is the whole structure sectional view of the present utility model;
[0022] Figure 3 It is the purification tank structure schematic view of the present utility model;
[0023] Figure 4 It is the fixed frame structure schematic view of the present utility model;
[0024] Figure 5 It is the present utility model Figure 4 A enlarged view in the present utility model.
[0025] In the drawings, the component list represented by each sign is as follows:
[0026] 1, bottom plate; 101, support leg; 102, dryer; 2, recovery mechanism; 201, transmission pipe; 202, heat exchanger; 203, output pipe; 204, condenser; 205, output pipe two; 206, tail gas outlet; 207, air blower; 208, air supply pipe; 3, purification mechanism; 301, exhaust fan; 302, connecting pipe; 303, transmission pipe two; 304, purification tank; 305, fixing frame; 306, filter element; 307, ash pipe; 308, fixed frame; 309, chute; 310, slide plate; 311, rotating disc; 312, baffle; 313, electric push rod. DETAILED DESCRIPTION
[0027] 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, rather than 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.
[0028] Please refer to Figures 1-5 The utility model discloses a kind of dryer tail gas waste heat recovery devices, including bottom plate 1, the top outer wall of bottom plate 1 is fixedly connected with several support legs 101, the top outer wall of several support legs 101 is fixedly connected with dryer 102, support leg 101 is used to support dryer 102;
[0029] The top outer wall of the bottom plate 1 is provided with a recycling mechanism 2, the recycling mechanism 2 comprises a heat exchanger 202, the bottom outer wall of the heat exchanger 202 is fixedly connected with the top outer wall of the bottom plate 1, the inner wall of the heat exchanger 202 is fixedly connected with a transmission pipe 201, the inner wall of the side of the heat exchanger 202 away from the transmission pipe 201 is fixedly connected with an output pipe 203, the outer wall of the end of the output pipe 203 away from the heat exchanger 202 is fixedly connected with a condenser 204, waste heat is transmitted to the heat exchanger 202 through the transmission pipe 201, the heat exchanger 202 is a plate heat exchanger, which has the advantages of narrow channel, strong turbulent flow of fluid, high heat transfer coefficient, rapid recovery of tail gas waste heat to heat fresh air, improvement of drying efficiency and the like, and then is cooled through the condenser 204 and discharged through an output pipe two 205, the inner wall of the side of the condenser 204 away from the output pipe 203 is fixedly connected with the output pipe two 205, the outer wall of the end of the output pipe two 205 away from the condenser 204 is fixedly connected with a tail gas outlet 206, the top outer wall of the bottom plate 1 is fixedly connected with a supply fan 207, the bottom output end of the supply fan 207 is fixedly connected with a supply pipe 208, the outer wall of the end of the supply pipe 208 away from the supply fan 207 is fixedly connected with the bottom inner wall of the dryer 102, the supply fan 207 transmits air outside to the heat exchanger 202 through the supply pipe 208 to exchange heat with waste heat gas, and the top outer wall of the dryer 102 is provided with a purification mechanism 3.
[0030] The waste heat gas in the dryer 102 is introduced into the heat exchanger 202 through the 210, the outside gas enters the heat exchanger to exchange heat with the waste heat gas through the supply fan 207, and the outside gas after being heated enters the dryer under the action of the supply fan 207 to preheat the parts and materials in the dryer 102.
[0031] The purification mechanism 3 comprises an exhaust fan 301, the bottom outer wall of the exhaust fan 301 is fixedly connected with the top outer wall of the dryer 102, the bottom output end of the exhaust fan 301 is fixedly connected with a connecting pipe 302, the outer wall of the end of the connecting pipe 302 away from the exhaust fan 301 is fixedly connected with the inner wall of the dryer 102, the exhaust fan 301 extracts the waste heat gas in the dryer 102 through the connecting pipe 302, transmits the waste heat gas to a purification tank 304 through a transmission pipe two 303, the inner wall of the side of the exhaust fan 301 away from the exhaust fan 301 is fixedly connected with the transmission pipe two 303, the outer wall of the end of the transmission pipe two 303 away from the exhaust fan 301 is fixedly connected with the purification tank 304, the outer wall of the purification tank 304 is fixedly connected with a fixing frame 305, the bottom outer wall of the fixing frame 305 is fixedly connected with the top outer wall of the bottom plate 1, the inner wall of the purification tank 304 is fixedly connected with a filter core 306, then the waste heat gas is filtered through the filter core 306, the dust in the waste heat gas is adsorbed by the filter core 306, and the larger particles fall into an ash discharge pipe 307, the top inner wall of the purification tank 304 is fixedly connected with the ash discharge pipe 307, and the outer wall of the ash discharge pipe 307 is fixedly connected with a fixing frame 308.
[0032] When the waste heat gas in the dryer 102 enters into the purification tank 304, the filter core 306 in the purification tank 304 can adsorb the dust carried in the waste heat gas, so that the dust is left on the surface of the filter core 306, and the larger impurities contained in the waste heat gas can fall in the ash outlet pipeline 307 for collection.
[0033] The inner wall of the fixed frame 308 is provided with a sliding groove 309, and the inner wall of the fixed frame 308 is fixedly connected with an electric push rod 313. The bottom output end of the electric push rod 313 is fixedly connected with a sliding plate 310. The electric push rod 313 pulls the sliding plate 310 downward. At this time, the sliding plate 310 slides downward through the sliding groove 309. The inner wall of the sliding groove 309 is slidably connected with the outer wall of the sliding plate 310. The inner wall of the sliding plate 310 is fixedly connected with a rotating disc 311. The outer wall of the side of the rotating disc 311 away from the rotating disc 311 is fixedly connected with a baffle 312. When the sliding plate 310 slides, the rotating disc 311 is driven to move downward, and the baffle 312 is driven to rotate when the rotating disc 311 moves downward.
[0034] The staff starts the electric push rod 313. When the rotating disc 311 is started, the sliding plate 310 is pulled downward. When the sliding plate 310 slides downward, the rotating disc 311 is driven to move downward. At this time, the rotating disc 311 drives the baffle 312 to rotate. When the baffle 312 rotates, the impurities stored in the ash outlet pipeline 307 are released.
[0035] One specific application of the embodiment is:
[0036] When the staff needs to use the device, first start the exhaust fan 301, the exhaust fan 301 starts to extract the waste heat in the dryer 102 through the connecting pipe 302, and then through the transmission pipe two 303 to the purification tank 304, when the waste heat enters the purification tank 304, the filter core 306 in the purification tank 304 will adsorb the dust carried in the waste heat, so that the dust is attached to the filter core 306, and the larger impurities contained in the waste heat will fall in the ash pipe 307 for storage, then start the electric push rod 313, the electric push rod 313 starts to pull the 3 sliding plate 310 downward, the sliding plate 310 moves downward to drive the rotating disc 311 to move, at this time the rotating disc 311 drives the baffle 312 to rotate, when the baffle 312 continues to rotate, the ash pipe 307 is opened and closed, and the impurities in the ash pipe 307 are released outward, and then the filtered waste heat is transmitted to the heat exchanger 202 through the transmission pipe 201, and then transmitted to the condenser 204 through the output pipe 203 for cooling, and then discharged through the output pipe two 205, and then start the air blower 207, the external gas enters the air supply pipe 208 through the air blower 207, and then enters the heat exchanger to exchange heat with the waste heat, and the heated external gas enters the dryer under the suction of the air blower 207, so as to preheat the parts and materials in the dryer, thereby achieving the effect of recycling the waste heat generated by the dryer 102.
[0037] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0038] The preferred embodiments of the above disclosed application are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.
Claims
1. A waste heat recovery device for dryer exhaust gas, comprising a base plate (1), characterized in that: The top outer wall of the base plate (1) is fixedly connected to a plurality of support legs (101), and the top outer wall of the plurality of support legs (101) is fixedly connected to a dryer (102). A recovery mechanism (2) is provided on the top outer wall of the base plate (1). The recovery mechanism (2) includes a heat exchanger (202). The bottom outer wall of the heat exchanger (202) is fixedly connected to the top outer wall of the base plate (1). A transmission pipe (201) is fixedly connected to the inner wall of the heat exchanger (202). An output pipe (203) is fixedly connected to the inner wall of the heat exchanger (202) on the side away from the transmission pipe (201). A condenser (204) is fixedly connected to the outer wall of the end of the output pipe (203) away from the heat exchanger (202). The condenser (204) is located away from the output pipe. An output pipe two (205) is fixedly connected to the inner wall of one side of the pipe (203). An exhaust outlet (206) is fixedly connected to the outer wall of the end of the output pipe two (205) away from the condenser (204). A blower (207) is fixedly connected to the top outer wall of the base plate (1). An air supply pipe (208) is fixedly connected to the bottom output end of the blower (207). The outer wall of the end of the air supply pipe (208) away from the blower (207) is fixedly connected to the bottom inner wall of the dryer (102). A purification mechanism (3) is provided on the top outer wall of the dryer (102).
2. The waste heat recovery device for dryer exhaust gas according to claim 1, characterized in that, The purification mechanism (3) includes an exhaust fan (301), the bottom outer wall of the exhaust fan (301) is fixedly connected to the top outer wall of the dryer (102), the bottom output end of the exhaust fan (301) is fixedly connected to a connecting pipe (302), the outer wall of the connecting pipe (302) away from the exhaust fan (301) is fixedly connected to the inner wall of the dryer (102), and the inner wall of the side of the exhaust fan (301) away from the exhaust fan (301) is fixedly connected to a transmission pipe (303).
3. The waste heat recovery device for dryer exhaust gas according to claim 2, characterized in that, A purification tank (304) is fixedly connected to the outer wall of the end of the transmission pipe (303) away from the exhaust fan (301), and a fixing frame (305) is fixedly connected to the outer wall of the purification tank (304).
4. The waste heat recovery device for dryer exhaust gas according to claim 3, characterized in that, The bottom outer wall of the fixing frame (305) is fixedly connected to the top outer wall of the base plate (1), and the inner wall of the purification tank (304) is fixedly connected to the filter element (306).
5. The waste heat recovery device for dryer exhaust gas according to claim 4, characterized in that, The top inner wall of the purification tank (304) is fixedly connected to an ash discharge pipe (307), and the outer wall of the ash discharge pipe (307) is fixedly connected to a fixing frame (308).
6. The waste heat recovery device for dryer exhaust gas according to claim 5, characterized in that, The inner wall of the fixed frame (308) is provided with a sliding groove (309), and an electric push rod (313) is fixedly connected to the inner wall of the fixed frame (308).
7. The waste heat recovery device for dryer exhaust gas according to claim 6, characterized in that, The bottom output end of the electric push rod (313) is fixedly connected to a slide plate (310), and the inner wall of the slide groove (309) is slidably connected to the outer wall of the slide plate (310).
8. The waste heat recovery device for dryer exhaust gas according to claim 7, characterized in that, The inner wall of the slide plate (310) is fixedly connected to a rotating disk (311), and a baffle (312) is fixedly connected to the outer wall of the rotating disk (311) on the side away from the rotating disk (311).