Waste heat utilization plate heat exchanger

By installing stirring blades and waste heat utilization coils in the heat exchange tank, the problems of poor liquid flow and small contact area are solved, achieving a more efficient heat exchange effect.

CN224094990UActive Publication Date: 2026-04-07JINAN YUEHUA ENERGY SAVING EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

In existing plate heat exchangers, the liquid flow in the heat exchange tank of the heat exchange plates is poor, which affects the heat exchange uniformity. In addition, the contact area between the heat source and the feed pipe is small, resulting in low heat exchange efficiency.

Method used

Agitator blades are installed in the heat exchange tank to improve the fluidity of the liquid, and the waste heat is used to increase the contact area between the heat source and the feed pipe by using a coil, thereby preheating the material in the feed pipe.

Benefits of technology

It improves the uniformity and efficiency of heat exchange, increases the contact area between the heat source and the feed pipe, and enhances the performance of the plate heat exchanger.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plate heat exchangers, in particular to a waste heat utilization plate heat exchanger, which comprises a front mounting plate, a fixing component, a rear mounting plate, a heat exchange component, a heat source ingress pipe, a feed pipe, a discharge pipe and a heat source eduction pipe, a waste heat utilization component is mounted on one side of the heat exchange component, and the heat exchange component comprises a heat exchange plate. Heat exchange grooves are formed in the two sides of the heat exchange plate, stirring blades are arranged in the heat exchange grooves, a waste heat utilization coil pipe is installed in the heat exchange grooves, a flow guide opening is formed in the outer end of the heat exchange plate, and an installation groove is formed in the outer side of the heat exchange plate. Liquid in the heat exchange groove is mixed through the stirring blades, the heat exchange uniformity is improved, the use effect of the plate heat exchanger is facilitated, heat in the heat exchange groove is replaced through the waste heat utilization coil pipe, materials in the feeding pipe are preheated through the waste heat utilization component, and the heat exchange efficiency of the plate heat exchanger is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to plate heat exchanger technical field, concretely is a waste heat utilization plate heat exchanger. BACKGROUND

[0002] Plate heat exchanger is by a series of have certain corrugated shape metal sheet stack and form a kind of high-efficiency heat exchanger, various plates form thin rectangular channel between, heat exchange is carried out through plate, plate heat exchanger is the ideal equipment of liquid-liquid, liquid-vapor heat exchange, it has high heat exchange efficiency, small heat loss, compact structure light and handy, small footprint, widely used, long service life and other characteristics, generally, the heat source in plate heat exchanger is directly discharged after utilization, causes heat waste, therefore, waste heat utilization plate heat exchanger needs to utilize waste heat to preheat material to achieve the effect of energy saving.

[0003] Chinese patent discloses a kind of plate heat exchanger for special air compressor waste heat utilization, (grant announcement number CN217785912U), the patent technology is utilized after heating soft water flows into between inlet pipe and preheating pipe, to preliminarily preheat cold water in the inlet pipe, in turn, the heat remaining after the circulation of heated soft water is utilized again to improve its utilization rate, using C-type rod and the separation motor on sliding frame drives transmission wheel to rotate, transmission wheel drives separation wheel to rotate, so that when heat exchange mechanism disassembles plate maintenance, it is convenient to plate glass, in turn, it can prevent scratch to hand when manually disassembled, but, the flowability of liquid in the heat exchange groove of the above-mentioned plate heat exchanger heat exchange plate is poor, affect the uniformity of heat exchange, not conducive to the use effect of plate heat exchanger, preheating of feed is carried out by discharging heat source, the contact area of discharge heat source and feed pipe is small, not conducive to the heat exchange efficiency of plate heat exchanger.Therefore, the technical personnel in the art provides a kind of waste heat utilization plate heat exchanger to solve the problems raised in the above background technology. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of waste heat utilization plate heat exchanger to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of waste heat utilization plate heat exchanger, including front mounting plate, fixed component, rear mounting plate, heat exchange component, heat source lead-in pipe, feed pipe, discharge pipe and heat source lead-out pipe, the fixed component is located at the outer end position of front mounting plate, the rear mounting plate is located at the rear side position of fixed component, the heat exchange component is located at the inner side position of fixed component, the heat source lead-in pipe is located at the front side lower end position of front mounting plate, the feed pipe is located at the front side lower end position of front mounting plate, the discharge pipe is located at the front side upper end position of front mounting plate, the heat source lead-out pipe is located at the front side upper end position of front mounting plate, one side of the heat exchange component is equipped with waste heat utilization component, the heat exchange component includes heat exchange plate, both sides of the heat exchange plate are provided with heat exchange groove, the inside of the heat exchange groove is provided with stirring vane, the inside of the heat exchange groove is equipped with waste heat utilization coil pipe, the outer end of the heat exchange plate is provided with flow guide mouth, the outside of the heat exchange plate is provided with mounting groove.

[0007] As a further scheme of the utility model: the fixed component includes screw rod, the front side of the screw rod is provided with rotating disc, the outside of the screw rod is provided with spring at the rear side position of rotating disc, the outside of the screw rod is provided with limit plate at the rear side position of spring, the outside rear end position of the screw rod is provided with limit tube.

[0008] As a further scheme of the utility model: the waste heat utilization component includes first rectifier tube, one end of the first rectifier tube is equipped with liquid pump, the output of the liquid pump is provided with preheating pipe, the lower side of the preheating pipe is provided with liquid tank, one side of the liquid tank is provided with second rectifier tube.

[0009] As a further scheme of the utility model: the output of the waste heat utilization coil pipe is communicated with the input of the waste heat utilization component, the output of the waste heat utilization component is communicated with the input of the waste heat utilization coil pipe, the fixed component is located at the inner side position of mounting groove, the heat exchange component is fixed to the corresponding side position of front mounting plate and rear mounting plate by fixed component.

[0010] As a further scheme of the utility model: the stirring vane rotates at the inside position of heat exchange groove, one end of the heat source lead-out pipe and heat source lead-in pipe is communicated with the inside of heat exchange groove through flow guide mouth, one end of the feed pipe and discharge pipe is communicated with the inside of heat exchange groove through flow guide mouth.

[0011] As a further scheme of the utility model: the rear end of the screw rod rotates at the front side position of rear mounting plate, the limit tube is located at the corresponding side position of front mounting plate and rear mounting plate, the front end of the screw rod slides at the inside position of front mounting plate, the limit plate is fixed to the front side position of front mounting plate by spring.

[0012] As a further scheme of the utility model: the output end of the waste heat utilization coil pipe is in communication with the input end of the first rectifier pipe, the output end of the first rectifier pipe is in communication with the input end of the liquid pump, the output end of the liquid pump is in communication with the input end of the liquid tank through the preheating pipe, the output end of the liquid tank is in communication with the input end of the second rectifier pipe, and the output end of the second rectifier pipe is in communication with the input end of the waste heat utilization coil pipe.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The waste heat utilization plate heat exchanger mixes the liquid in the heat exchange tank through the stirring blade, improves the uniformity of heat exchange, and is favorable for the use effect of the plate heat exchanger.

[0015] The waste heat utilization coil pipe replaces the heat in the heat exchange tank, the waste heat utilization component preheats the material in the feeding pipe, the contact area of the heat source and the feeding pipe is improved, and the heat exchange efficiency of the plate heat exchanger is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of a waste heat utilization plate heat exchanger.

[0017] Figure 2 It is a structural schematic view of a heat exchange component in a waste heat utilization plate heat exchanger.

[0018] Figure 3 It is a structural schematic view of a fixing component in a waste heat utilization plate heat exchanger.

[0019] Figure 4 It is a structural schematic view of a waste heat utilization component in a waste heat utilization plate heat exchanger.

[0020] In the drawing: 1, front mounting plate; 2, fixing component; 3, rear mounting plate; 4, heat exchange component; 5, heat source introduction pipe; 6, feeding pipe; 7, discharging pipe; 8, heat source export pipe; 9, waste heat utilization component; 10, heat exchange plate; 11, heat exchange tank; 12, stirring blade; 13, waste heat utilization coil pipe; 14, flow guide opening; 15, mounting groove; 16, screw rod; 17, rotating disc; 18, spring; 19, limiting plate; 20, limiting pipe; 21, first rectifier pipe; 22, liquid pump; 23, preheating pipe; 24, liquid tank; 25, second rectifier pipe. DETAILED DESCRIPTION

[0021] Please refer to Figures 1-4The utility model discloses an embodiment of a kind of waste heat utilization plate heat exchanger, including front mounting plate 1, fixed component 2, rear mounting plate 3, heat exchange component 4, heat source import pipe 5, feed pipe 6, discharge pipe 7 and heat source export pipe 8, fixed component 2 is located at the outer end position of front mounting plate 1, rear mounting plate 3 is located at the rear side position of fixed component 2, heat exchange component 4 is located at the inner side position of fixed component 2, heat source import pipe 5 is located at the front side lower end position of front mounting plate 1, feed pipe 6 is located at the front side lower end position of front mounting plate 1, discharge pipe 7 is located at the front side upper end position of front mounting plate 1, heat source export pipe 8 is located at the front side upper end position of front mounting plate 1, one side of heat exchange component 4 is provided with waste heat utilization component 9, heat exchange component 4 includes heat exchange plate 10, both sides of heat exchange plate 10 are provided with heat exchange groove 11, the inside of heat exchange groove 11 is provided with stirring vane 12, heat exchange groove 11 is provided with waste heat utilization coil pipe 13 in the inside, the outer end of heat exchange plate 10 is provided with flow guide port 14, the outside of heat exchange plate 10 is provided with mounting groove 15, the output end of waste heat utilization coil pipe 13 is penetrated with the input end of waste heat utilization component 9, the output end of waste heat utilization component 9 is penetrated with the input end of waste heat utilization coil pipe 13, fixed component 2 is located at the inner side position of mounting groove 15, heat exchange component 4 is fixed in the corresponding side position of front mounting plate 1 and rear mounting plate 3 by fixed component 2, stirring vane 12 rotates at the inside position of heat exchange groove 11, one end of heat source export pipe 8 and heat source import pipe 5 is penetrated with the inside of heat exchange groove 11 through flow guide port 14, one end of feed pipe 6 and discharge pipe 7 is penetrated with the inside of heat exchange groove 11 through flow guide port 14, first, a kind of waste heat utilization plate heat exchanger is fixed to use position, one end of heat source import pipe 5 is connected to the output end of heat source, one end of heat source export pipe 8 is connected to the input end of heat source, one end of feed pipe 6 is connected to the external material output end, one end of discharge pipe 7 is connected to the external material input end, then, start to use, heat source is introduced into the heat exchange groove 11 of the front side of heat exchange plate 10 by heat source import pipe 5, flow guide port 14 is connected to the heat exchange groove 11 of the front side of heat exchange plate 10, stirring vane 12 rotates in the inside of heat exchange groove 11 in heat source flow process, mixed heat source, material is introduced into the heat exchange groove 11 of the rear side of heat exchange groove 11 by feed pipe 6, flow guide port 14 is connected to the heat exchange groove 11 of the rear side of heat exchange plate 10, heat source in the heat exchange groove 11 of the front side of heat exchange plate 10 exchanges heat with material in the heat exchange groove 11 of the rear side of heat exchange plate 10, waste heat utilization coil pipe 13 replaces the waste heat of heat source in the heat exchange groove 11 of the front side of heat exchange plate 10, waste heat utilization component 9 runs the liquid in the inside of waste heat utilization coil pipe 13, preheats the material in the inside of feed pipe 6, finally, when needing to clean heat exchange component 4, waste heat utilization component 9 separates waste heat utilization coil pipe 13, waste heat utilization component 9 slides out of feed pipe 6, remove fixed component 2, disassemble heat exchange component 4, clean the inside of heat exchange groove 11, after cleaning, heat exchange component 4 is installed to the corresponding side of front mounting plate 1 and rear mounting plate 3, fixed component 2 is inserted into the inside of mounting groove 15,The heat exchange component 4 is fixed to the corresponding sides of the front mounting plate 1 and the rear mounting plate 3. The waste heat utilization component 9 is slid to the outside of the feed pipe 6 and connected to the waste heat utilization coil 13.

[0022] exist Figure 1 , 2 In section 3: the fixing component 2 includes a screw 16, a turntable 17 is provided on the front side of the screw 16, a spring 18 is provided on the outer side of the screw 16 at the rear side of the turntable 17, a limit plate 19 is provided on the outer side of the screw 16 at the rear side of the spring 18, and a limit tube 20 is provided at the rear end of the outer side of the screw 16. The rear end of the screw 16 rotates to the front side of the rear mounting plate 3, and the limit tube 20 is located on the corresponding side of the front mounting plate 1 and the rear mounting plate 3. The front end of the screw 16 slides inside the front mounting plate 1, and the limit plate 19 is fixed to the front side of the front mounting plate 1 by the spring 18. (The last sentence appears to be incomplete and possibly refers to a separate section about heat exchange.) When cleaning component 4, the hand-held turntable 17 drives the screw 16 to rotate. The screw 16 rotates out of the rear mounting plate 3, and the front end of the screw 16 slides inside the front mounting plate 1. Remove the fixing component 2, disassemble the heat exchange component 4, and clean the inside of the heat exchange tank 11. After cleaning, the heat exchange component 4 is installed on the corresponding side of the front mounting plate 1 and the rear mounting plate 3. The limiting tube 20 is inserted into the inside of the mounting groove 15, and the rear end of the screw 16 is inserted into the inside of the limiting tube 20. The rear end of the screw 16 rotates into the inside of the rear mounting plate 3. The spring 18 rebounds and the limiting plate 19 presses against the front side of the front mounting plate 1, fixing the heat exchange component 4 to the corresponding side of the front mounting plate 1 and the rear mounting plate 3.

[0023] exist Figure 1 , 2 In section 4: The waste heat utilization component 9 includes a first rectifier tube 21, a liquid pump 22 installed at one end of the first rectifier tube 21, a preheating tube 23 installed at the output end of the liquid pump 22, a liquid tank 24 installed below the preheating tube 23, and a second rectifier tube 25 installed on one side of the liquid tank 24. The output end of the waste heat utilization coil 13 is connected to the input end of the first rectifier tube 21, the output end of the first rectifier tube 21 is connected to the input end of the liquid pump 22, the output end of the liquid pump 22 is connected to the input end of the liquid tank 24 through the preheating tube 23, and the output end of the liquid tank 24 is connected to the second rectifier tube 25. The input end of the first rectifier tube 21 is connected to the output end of the second rectifier tube 25, and the output end of the second rectifier tube 25 is connected to the input end of the waste heat utilization coil 13. The waste heat utilization coil 13 replaces the waste heat of the heat source in the heat exchange tank 11 on the front side of the heat exchange plate 10. The liquid pump 22 operates to introduce the liquid inside the waste heat utilization coil 13 into the interior of the first rectifier tube 21, and then into the interior of the preheating tube 23 through the liquid pump 22. The preheating tube 23 preheats the material inside the feed pipe 6. The liquid inside the preheating tube 23 enters the interior of the liquid tank 24, and the liquid inside the liquid tank 24 circulates back to the interior of the waste heat utilization coil 13 through the second rectifier tube 25.

[0024] The working principle of this utility model is as follows: First, a waste heat utilization plate heat exchanger is fixed at the usage location. One end of the heat source inlet pipe 5 is connected to the output end of the heat source, one end of the heat source outlet pipe 8 is connected to the input end of the heat source, one end of the feed pipe 6 is connected to the external material output end, and one end of the discharge pipe 7 is connected to the external material input end. Then, when in use, the heat source is introduced into the heat exchange tank 11 on the front side of the heat exchange plate 10 through the heat source inlet pipe 5. The guide port 14 connects to the heat exchange tank 11 on the front side of the heat exchange plate 10. During the heat source flow process, the stirring blade 12 rotates inside the heat exchange tank 11 to mix the heat source. The material is introduced into the heat exchange tank 11 behind the heat exchange tank 11 through the feed pipe 6. The guide port 14 connects to the heat exchange tank 11 behind the heat exchange plate 10. The heat source in the heat exchange tank 11 in front of the heat exchange plate 10 exchanges heat with the material in the heat exchange tank 11 behind the heat exchange plate 10. The waste heat utilization coil 13 replaces the waste heat of the heat source in the heat exchange tank 11 in front of the heat exchange plate 10. The liquid pump 22 operates to introduce the liquid inside the waste heat utilization coil 13 into the first rectifier tube 21, and then into the preheating tube 23 through the liquid pump 22. The preheating tube 23 preheats the material inside the feed pipe 6, and the liquid inside the preheating tube 23... The liquid enters the interior of the liquid tank 24, and the liquid inside the liquid tank 24 circulates to the interior of the waste heat utilization coil 13 through the second rectifier tube 25. Finally, when it is necessary to clean the heat exchange component 4, one end of the first rectifier tube 21 is separated from the waste heat utilization coil 13, and one end of the second rectifier tube 25 is separated from the waste heat utilization coil 13. The preheating tube 23 and the liquid tank 24 slide out of the feed pipe 6. The hand-held turntable 17 drives the screw 16 to rotate. After the screw 16 rotates out of the mounting plate 3, the front end of the screw 16 slides inside the front mounting plate 1. Remove the fixing component 2, disassemble the heat exchange component 4, and clean the inside of the heat exchange tank 11. After cleaning, the heat exchange component 4 is installed on the corresponding sides of the front mounting plate 1 and the rear mounting plate 3. The limiting tube 20 is inserted into the interior of the mounting groove 15. The rear end of the screw 16 is inserted into the interior of the limiting tube 20. The rear end of the screw 16 is rotated into the interior of the rear mounting plate 3. The spring 18 rebounds and the limiting plate 19 presses against the front side of the front mounting plate 1, fixing the heat exchange component 4 to the corresponding sides of the front mounting plate 1 and the rear mounting plate 3. The preheating pipe 23 and the liquid tank 24 slide to the outside of the feed pipe 6. One end of the first rectifier pipe 21 is connected to the waste heat utilization coil 13, and one end of the second rectifier pipe 25 is connected to the waste heat utilization coil 13.

[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A waste heat utilization plate heat exchanger, comprising a front mounting plate (1), a fixing component (2), a rear mounting plate (3), a heat exchange component (4), a heat source inlet pipe (5), a feed pipe (6), a discharge pipe (7), and a heat source outlet pipe (8), wherein the fixing component (2) is located at the outer end of the front mounting plate (1), the rear mounting plate (3) is located at the rear side of the fixing component (2), the heat exchange component (4) is located at the inner side of the fixing component (2), the heat source inlet pipe (5) is located at the lower front end of the front mounting plate (1), the feed pipe (6) is located at the lower front end of the front mounting plate (1), the discharge pipe (7) is located at the upper front end of the front mounting plate (1), and the heat source outlet pipe (8) is located at the upper front end of the front mounting plate (1), characterized in that, A waste heat utilization component (9) is installed on one side of the heat exchange component (4). The heat exchange component (4) includes a heat exchange plate (10). Heat exchange grooves (11) are provided on both sides of the heat exchange plate (10). A stirring blade (12) is provided inside the heat exchange groove (11). A waste heat utilization coil (13) is installed inside the heat exchange groove (11). A guide port (14) is opened at the outer end of the heat exchange plate (10). An installation groove (15) is opened on the outer side of the heat exchange plate (10).

2. The waste heat utilization plate heat exchanger according to claim 1, characterized in that, The fixing component (2) includes a screw (16), a turntable (17) is provided on the front side of the screw (16), a spring (18) is provided on the outer side of the screw (16) at the rear side of the turntable (17), a limit plate (19) is provided on the outer side of the screw (16) at the rear side of the spring (18), and a limit tube (20) is provided at the rear end of the outer side of the screw (16).

3. A waste heat utilization plate heat exchanger according to claim 1, characterized in that, The waste heat utilization component (9) includes a first rectifier tube (21), a liquid pump (22) is installed at one end of the first rectifier tube (21), a preheating tube (23) is provided at the output end of the liquid pump (22), a liquid tank (24) is provided on the lower side of the preheating tube (23), and a second rectifier tube (25) is provided on one side of the liquid tank (24).

4. A waste heat utilization plate heat exchanger according to claim 1, characterized in that, The output end of the waste heat utilization coil (13) is connected to the input end of the waste heat utilization component (9), the output end of the waste heat utilization component (9) is connected to the input end of the waste heat utilization coil (13), the fixing component (2) is located inside the mounting groove (15), and the heat exchange component (4) is fixed to the corresponding side positions of the front mounting plate (1) and the rear mounting plate (3) by the fixing component (2).

5. A waste heat utilization plate heat exchanger according to claim 1, characterized in that, The stirring blade (12) rotates to a position inside the heat exchange tank (11). One end of the heat source outlet pipe (8) and the heat source inlet pipe (5) are connected to the inside of the heat exchange tank (11) through the guide port (14). One end of the feed pipe (6) and the discharge pipe (7) are connected to the inside of the heat exchange tank (11) through the guide port (14).

6. A waste heat utilization plate heat exchanger according to claim 2, characterized in that, The rear end of the screw (16) rotates to the front position of the rear mounting plate (3), the limiting tube (20) is located at the corresponding side position of the front mounting plate (1) and the rear mounting plate (3), the front end of the screw (16) slides in the inner position of the front mounting plate (1), and the limiting plate (19) is fixed to the front position of the front mounting plate (1) by the spring (18).

7. A waste heat utilization plate heat exchanger according to claim 3, characterized in that, The output end of the waste heat utilization coil (13) is connected to the input end of the first rectifier tube (21), the output end of the first rectifier tube (21) is connected to the input end of the liquid pump (22), the output end of the liquid pump (22) is connected to the input end of the liquid tank (24) through the preheating tube (23), the output end of the liquid tank (24) is connected to the input end of the second rectifier tube (25), and the output end of the second rectifier tube (25) is connected to the input end of the waste heat utilization coil (13).

Citation Information

Patent Citations

  • Plate heat exchanger special for waste heat utilization of air compressor

    CN217785912U