Waste heat recovery device of drying system

Abstract

The utility model discloses a drying system waste heat recovery device, which belongs to the technical field of dryers and comprises a drying oven shell, a numerical control module and a spunlace machine negative pressure suction box shell, the numerical control module is arranged on the outer wall of the drying oven shell, a waste heat utilization component is arranged on one side of the drying oven shell, and the spunlace machine negative pressure suction box shell is arranged on the other side of the drying oven shell. A waste heat utilization assembly is arranged on one side of the oven shell, a recovery assembly is arranged on the other side of the oven shell, the waste heat utilization assembly comprises an outlet pipe, one end of the outlet pipe is fixedly installed on one side of the oven shell, and a heat exchanger is fixedly installed at the other end of the outlet pipe. According to the spunlace machine negative pressure suction box waste heat utilization device, through the arrangement of the waste heat utilization assembly and the design, hot air in the drying box is effectively guided into the spunlace machine negative pressure suction box, undried products before entering the drying machine are preheated, the drying efficiency of the products is improved, waste of resources in the production process is avoided, the operation cost of a company is reduced, and the use effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of dryers, and particularly relates to a waste heat recovery device for a drying system. Background Art

[0002] A dryer is a drying device, which can be divided into industrial and civilian types. Industrial dryers are also known as drying equipment, while civilian dryers are devices used for washing clothes and can remove moisture from clothing or textiles.

[0003] Nowadays, when industrial dryers are drying products, the waste heat generated cannot be recovered, resulting in the waste heat generated by the dryers being dissipated into the workshop. First, it increases the temperature in the workshop, especially in summer, which easily causes the working environment to be stuffy. Second, the waste heat cannot be recycled again, thus greatly increasing the waste of resources in the factory and significantly increasing the operating cost of the company, and the use effect is not good. To solve the above problems, there is an urgent need for a waste heat recovery device for a drying system to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problem that when industrial dryers are drying products nowadays, the waste heat generated inside cannot be recovered, which easily leads to the waste heat generated by the dryers being dissipated into the workshop. First, it increases the temperature in the workshop, especially in summer, which easily causes the working environment to be stuffy. Second, the waste heat cannot be recycled again, thus greatly increasing the waste of resources in the factory and significantly increasing the operating cost of the factory, and the use effect is not good, and a waste heat recovery device for a drying system is proposed.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A waste heat recovery device for a drying system includes an oven housing, a numerical control module and a spunlace machine negative pressure suction box housing. The numerical control module is arranged on the outer wall of the oven housing. A waste heat utilization component is arranged on one side of the oven housing, and a recovery component is arranged on the other side of the oven housing;

[0006] The waste heat utilization component includes an outlet pipe. One end of the outlet pipe is fixedly installed on one side displacement of the oven housing. The other end of the outlet pipe is fixedly installed with a heat exchanger. A moisture exhaust fan is arranged on the outer wall of the heat exchanger, and a third conduit is arranged on the outer wall of the moisture exhaust fan.

[0007] As a further description of the above technical solution:

[0008] One end of the third conduit is fixedly installed with a second three-way pipe. A second electric valve is arranged at the top of the second three-way pipe. A square reducer pipe is fixedly installed at the side end of the second three-way pipe. The other end of the square reducer pipe is fixedly installed with a second conduit.

[0009] As a further description of the above technical solution:

[0010] The other end of the second conduit is fixedly installed with a first three-way pipe. The other end of the first three-way pipe is provided with a first electric valve. The side end of the first three-way pipe is fixedly installed with a first conduit. The other end of the first conduit is fixedly installed with a first elbow pipe.

[0011] As a further description of the above technical solution:

[0012] The other end of the first elbow pipe is fixedly installed with a high-temperature resistant flexible connection pipe. The bottom end of the high-temperature resistant flexible connection pipe is fixedly installed with a hot air distribution port. The outer wall of the hot air distribution port is fixedly installed with a hot air spray port. The hot air spray port is fixedly connected to the outer wall of the negative pressure suction box shell of the hydroentangling machine.

[0013] As a further description of the above technical solution:

[0014] The recycling component includes a connecting pipe. The connecting pipe is fixedly installed on the outer wall of the heat exchanger. One end of the connecting pipe is fixedly installed with a long pipe. The other end of the long pipe is fixedly installed with a first redirecting pipe. The other end of the first redirecting pipe is fixedly installed with a first ventilation pipe. The other end of the first ventilation pipe is fixedly installed with a second redirecting pipe.

[0015] As a further description of the above technical solution:

[0016] The bottom end of the second redirecting pipe is fixedly installed with a second ventilation pipe. The bottom end of the second ventilation pipe is provided with a third electric valve. The outer wall of the third electric valve is provided with a third redirecting pipe. One end of the third redirecting pipe is fixedly installed with a square-to-round pipe. The square-to-round pipe is fixedly installed on the outer wall of the other side of the oven shell.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of the present utility model are as follows:

[0018] 1. In the present utility model, by setting a waste heat utilization component, the hot air in the oven shell is introduced into the heat exchanger through the outlet pipe. Driven by the heat exchanger and the dehumidifying fan, it enters the third conduit. The third conduit then enters the second conduit through the second three-way pipe, and then the hot air is introduced into the first conduit through the first three-way pipe. The hot air in the first conduit enters the high-temperature resistant flexible connection pipe through the first elbow pipe, and then is introduced into the negative pressure suction box shell of the hydroentangling machine through the hot air distribution port and the hot air spray port provided at the bottom of the high-temperature resistant flexible connection pipe. Through this design, the hot air in the oven is effectively introduced into the negative pressure suction box of the hydroentangling machine, preheating the un-dried products before entering the dryer, increasing the drying efficiency of the products, avoiding the waste of resources in the production process, reducing the company's operating costs, and having good use effects.

[0019] 2. In the present utility model, by providing a first electric valve, a second electric valve and a third electric valve, the hot air in the heat exchanger and the moisture exhaust fan can also enter the long pipe through the connecting pipe, and then enter the first redirecting pipe from the long pipe. The hot air in the first redirecting pipe enters the second redirecting pipe through the first ventilation pipe, then enters the second ventilation pipe from the second redirecting pipe, and then enters the third redirecting pipe through the third electric valve from the second ventilation pipe. The hot air in the third redirecting pipe enters the oven housing again through the square-to-round pipe for secondary recovery. When the temperature in the workshop is relatively low in winter, in order to maintain the temperature and humidity in the workshop, the opening degree of the third electric valve is adjusted to be smaller, and then the second electric valve is opened to send the dry hot air to the workshop through the second electric valve to increase the temperature in the workshop. The first electric valve is closed, and the hot air directed to the dehydration suction port of the hydroentangling machine is sent to the workshop. Through this design, the preheating of the workshop in winter is effectively realized, the temperature in the workshop is increased, and the staff is more comfortable in the workshop, and the use effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a three-dimensional structural schematic diagram of a waste heat recovery device for a drying system.

[0021] Figure 2 is a combined three-dimensional structural schematic diagram of a waste heat utilization component and a recovery component in a waste heat recovery device for a drying system.

[0022] Figure 3 is a partial three-dimensional structural schematic diagram of a waste heat utilization component in a waste heat recovery device for a drying system.

[0023] LEGEND DESCRIPTION:

[0024] 1. Oven housing; 2. Numerical control module; 3. Hydroentangling machine negative pressure suction box shell; 4. Waste heat utilization component; 41. Hot air nozzle; 42. Hot air distribution port; 43. High-temperature flexible connection pipe; 44. First elbow; 45. First conduit; 46. First tee; 47. Second conduit; 48. Heat exchanger; 49. Moisture exhaust fan; 410. Third conduit; 411. Second tee; 412. Square reducer pipe; 413. Outlet pipe; 5. Recovery component; 51. Connecting pipe; 52. Long pipe; 53. First redirecting pipe; 54. First ventilation pipe; 55. Second redirecting pipe; 56. Second ventilation pipe; 57. Third redirecting pipe; 58. Square-to-round pipe; 6. First electric valve; 7. Second electric valve; 8. Third electric valve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a 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 those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0026] Please refer to Figures 1-3 , the present invention provides a technical solution: a waste heat recovery device for a drying system, including an oven housing 1, a numerical control module 2 and a spunlace machine negative pressure suction box housing 3. The numerical control module 2 is arranged on the outer wall of the oven housing 1. A waste heat utilization component 4 is arranged on one side of the oven housing 1, and a recovery component 5 is arranged on the other side of the oven housing 1;

[0027] The waste heat utilization component 4 includes an outlet pipe 413. One end of the outlet pipe 413 is fixedly installed on one side displacement of the oven housing 1. The other end of the outlet pipe 413 is fixedly installed with a heat exchanger 48. A moisture exhaust fan 49 is arranged on the outer wall of the heat exchanger 48, and a third conduit 410 is arranged on the outer wall of the moisture exhaust fan 49;

[0028] One end of the third conduit 410 is fixedly installed with a second three-way pipe 411. A second electric valve 7 is arranged at the top of the second three-way pipe 411. A square reducer pipe 412 is fixedly installed at the side end of the second three-way pipe 411. The other end of the square reducer pipe 412 is fixedly installed with a second conduit 47. The other end of the second conduit 47 is fixedly installed with a first three-way pipe 46. A first electric valve 6 is arranged at the other end of the first three-way pipe 46. A first conduit 45 is fixedly installed at the side end of the first three-way pipe 46. The other end of the first conduit 45 is fixedly installed with a first elbow 44. The other end of the first elbow 44 is fixedly installed with a high-temperature resistant flexible connection pipe 43. The bottom end of the high-temperature resistant flexible connection pipe 43 is fixedly installed with a hot air distribution port 42. A hot air nozzle 41 is fixedly installed on the outer wall of the hot air distribution port 42. The hot air nozzle 41 is fixedly connected to the outer wall of the spunlace machine negative pressure suction box housing 3;

[0029] The specific implementation method is as follows: The hot air in the oven housing 1 is introduced into the heat exchanger 48 through the outlet pipe 413. Driven by the heat exchanger 48 and the moisture exhaust fan 49, it enters the third conduit 410. The third conduit 410 then enters the second conduit 47 through the second three-way pipe 411, and the hot air is introduced into the first conduit 45 through the first three-way pipe 46. The hot air in the first conduit 45 enters the high-temperature resistant flexible connection pipe 43 through the first elbow 44, and then is introduced into the spunlace machine negative pressure suction box housing 3 from the hot air distribution port 42 and the hot air nozzle 41 arranged at the bottom of the high-temperature resistant flexible connection pipe 43.

[0030] The recycling component 5 includes a connecting pipe 51 which is fixedly installed on the outer wall of the heat exchanger 48. One end of the connecting pipe 51 is fixedly installed with a long pipe 52, the other end of the long pipe 52 is fixedly installed with a first redirecting pipe 53, the other end of the first redirecting pipe 53 is fixedly installed with a first ventilation pipe 54, the other end of the first ventilation pipe 54 is fixedly installed with a second redirecting pipe 55, the bottom end of the second redirecting pipe 55 is fixedly installed with a second ventilation pipe 56, a third electric valve 8 is arranged at the bottom end of the second ventilation pipe 56, a third redirecting pipe 57 is arranged on the outer wall of the third electric valve 8, one end of the third redirecting pipe 57 is fixedly installed with a square-to-round pipe 58, and the square-to-round pipe 58 is fixedly installed on the outer wall of the other side of the oven shell 1;

[0031] The specific implementation method is as follows: The hot air in the heat exchanger 48 and the moisture exhaust fan 49 can also enter the long pipe 52 through the connecting pipe 51, then enter the first redirecting pipe 53 from the long pipe 52. The hot air in the first redirecting pipe 53 enters the second redirecting pipe 55 through the first ventilation pipe 54, then enters the second ventilation pipe 56 from the second redirecting pipe 55, and then enters the third redirecting pipe 57 through the third electric valve 8 from the second ventilation pipe 56. The hot air in the third redirecting pipe 57 enters the oven shell 1 again through the square-to-round pipe 58 for secondary recycling. When the temperature in the workshop is relatively low in winter, in order to maintain the temperature and humidity in the workshop, the opening degree of the third electric valve 8 is adjusted smaller, and then the second electric valve 7 is opened to send the dry hot air to the workshop through the second electric valve 7 to increase the temperature in the workshop. The first electric valve 6 is closed to send the hot air leading to the dehydration suction port of the hydroentangling machine to the workshop.

[0032] Working principle: The hot air inside the oven shell 1 is introduced into the heat exchanger 48 through the outlet pipe 413. Driven by the heat exchanger 48 and the moisture exhaust fan 49, it enters the third conduit 410. The third conduit 410 then enters the second conduit 47 through the second three-way pipe 411, and the hot air is introduced into the first conduit 45 through the first three-way pipe 46. The hot air in the first conduit 45 enters the high-temperature resistant flexible connection pipe 43 through the first elbow 44, and then is introduced into the water jet loom negative pressure suction box shell 3 through the hot air distribution port 42 and the hot air nozzle 41 provided at the bottom of the high-temperature resistant flexible connection pipe 43. The hot air in the heat exchanger 48 and the moisture exhaust fan 49 can also enter the long pipe 52 through the connecting pipe 51, and then enter the first redirecting pipe 53 from the long pipe 52. The hot air in the first redirecting pipe 53 enters the second redirecting pipe 55 through the first ventilation pipe 54, then enters the second ventilation pipe 56 from the second redirecting pipe 55, and then enters the third redirecting pipe 57 through the second ventilation pipe 56 and the third electric valve 8. The hot air in the third redirecting pipe 57 enters the oven shell 1 again through the square-to-round pipe 58 for secondary recovery. When the temperature in the workshop is relatively low in winter, in order to maintain the temperature and humidity in the workshop, the opening degree of the third electric valve 8 is adjusted smaller, and then the second electric valve 7 is opened to send the dry hot air to the workshop through the second electric valve 7 to increase the temperature in the workshop. The first electric valve 6 is closed to send the hot air leading to the water jet loom dehydration suction port to the workshop.

[0033] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A waste heat recovery device for a drying system, comprising an oven housing (1), a numerical control module (2) and a spunlace machine negative pressure suction box housing (3). The numerical control module (2) is arranged on the outer wall of the oven housing (1), and is characterized in that: On one side of the oven shell (1), a waste heat utilization component (4) is provided, and on the other side of the oven shell (1), a recovery component (5) is provided. The waste heat utilization component (4) includes an outlet pipe (413). One end of the outlet pipe (413) is fixedly installed on one side of the oven shell (1) for displacement, and the other end of the outlet pipe (413) is fixedly installed with a heat exchanger (48). A moisture exhaust fan (49) is arranged on the outer wall of the heat exchanger (48), and a third conduit (410) is arranged on the outer wall of the moisture exhaust fan (49).

2. The waste heat recovery device of a drying system according to claim 1, wherein, One end of the third conduit (410) is fixedly installed with a second three-way pipe (411). A second electric valve (7) is arranged at the top of the second three-way pipe (411). A square reducer pipe (412) is fixedly installed at the side end of the second three-way pipe (411), and the other end of the square reducer pipe (412) is fixedly installed with a second conduit (47).

3. The waste heat recovery device of a drying system according to claim 2, characterized in that, The other end of the second conduit (47) is fixedly installed with a first three-way pipe (46). A first electric valve (6) is arranged at the other end of the first three-way pipe (46). A first conduit (45) is fixedly installed at the side end of the first three-way pipe (46), and the other end of the first conduit (45) is fixedly installed with a first elbow (44).

4. The waste heat recovery device of a drying system according to claim 3, characterized in that, The other end of the first elbow (44) is fixedly installed with a high-temperature resistant flexible connection pipe (43). The bottom end of the high-temperature resistant flexible connection pipe (43) is fixedly installed with a hot air distribution port (42). A hot air nozzle (41) is fixedly installed on the outer wall of the hot air distribution port (42), and a fixed connection is made between the hot air nozzle (41) and the outer wall of the water jet loom negative pressure suction box shell (3).

5. The waste heat recovery device of a drying system according to claim 4, characterized in that, The recovery component (5) includes a connecting pipe (51). The connecting pipe (51) is fixedly installed on the outer wall of the heat exchanger (48). One end of the connecting pipe (51) is fixedly installed with a long pipe (52). The other end of the long pipe (52) is fixedly installed with a first redirecting pipe (53). The other end of the first redirecting pipe (53) is fixedly installed with a first ventilation pipe (54). The other end of the first ventilation pipe (54) is fixedly installed with a second redirecting pipe (55).

6. The waste heat recovery device of a drying system according to claim 5, wherein The bottom end of the second redirecting pipe (55) is fixedly installed with a second ventilation pipe (56). A third electric valve (8) is arranged at the bottom end of the second ventilation pipe (56). A third redirecting pipe (57) is arranged on the outer wall of the third electric valve (8). One end of the third redirecting pipe (57) is fixedly installed with a square-to-round pipe (58), and the square-to-round pipe (58) is fixedly installed on the outer wall of the other side of the oven shell (1).

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