Circulating water waste heat recovery device of evaporation unit

Abstract

The utility model relates to the technical field of circulating water waste heat recovery, in particular to a circulating water waste heat recovery device of an evaporation unit, which provides a stable space for the heat exchange process of liquid through a liquid feeding device, improves the heat exchange efficiency and stability of equipment through a heat exchange device, collects impurities in a pipeline through a collecting device, and improves the heat exchange efficiency and stability of the equipment. The influence of impurities in the pipeline on normal use of the pipeline is reduced, and the practicability of the device is improved; comprising an evaporator, a condenser, a compressor unit and a single-screw-rod vacuum pump, the input end of the evaporator is connected with the compressor unit, the output end of the evaporator is connected with the condenser, and the output end of the condenser is connected with the single-screw-rod vacuum pump; comprising a liquid feeding device, a heat exchange device and a collecting device, the heat exchange device is installed on the liquid feeding device, and the collecting device is installed on the liquid feeding device.

Description

Technical Field

[0001] The utility model relates to the technical field of recycling waste heat of circulating water, in particular to a recycling waste heat recovery device for an evaporator unit. Background Art

[0002] An evaporator unit circulating water waste heat recovery device is designed to effectively recover waste heat in the evaporator unit circulating water system to improve energy utilization efficiency and reduce resource waste. The evaporator unit circulating water system is a complex thermodynamic cycle system, which mainly involves the flow of circulating water, heat transfer and recovery, and energy utilization during the evaporation process.

[0003] The Chinese invention patent with application number CN201711053393.2 in the prior art involves a circulating water waste heat recovery device and a waste heat recovery process for an evaporator unit, including an absorption heat pump, a multi-effect falling film evaporator, a circulating hot water pool, a circulating hot water pump, a water cooler, a circulating cold water pump, a temperature detector, a condensate flow controller, a temperature sensing copper ring and a temperature sensing copper wire, etc., which can improve the efficiency of the evaporator and reduce production costs.

[0004] However, there are impurities in the circulating water circuit, which needs to be cleaned regularly during long-term use. The accumulation of impurities in the pipeline will affect the flow rate, service life and stability of the pipeline. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an evaporator unit circulating water waste heat recovery device that provides a stable space for the liquid heat exchange process through a liquid delivery device, improves the heat exchange efficiency and stability of the equipment through a heat exchange device, collects debris in the pipeline through a collection device, reduces the impact of impurities in the pipeline on the normal use of the pipeline, and improves the practicality of the device.

[0006] The utility model discloses a waste heat recovery device for circulating water of an evaporation unit, comprising an evaporator, a condenser, a compressor unit and a single-screw vacuum pump, wherein the input end of the evaporator is connected to the compressor unit, the output end of the evaporator is connected to the condenser, and the output end of the condenser is connected to the single-screw vacuum pump; the device comprises a liquid feeding device, a heat exchange device and a collecting device, the heat exchange device is installed on the liquid feeding device, and the collecting device is installed on the liquid feeding device; the liquid feeding device provides a stable space for the heat exchange process of the liquid, the heat exchange device improves the heat exchange efficiency and stability of the equipment, the collecting device collects debris in the pipeline, reduces the influence of impurities in the pipeline on the normal use of the pipeline, and improves the practicality of the device.

[0007] Preferably, the liquid delivery device includes a heat exchange chamber, a fixed frame, a water tank, a pressure pump and a high-pressure pipe. The heat exchange chamber body is fixedly supported by multiple sets of fixed frames. The output end of the single-screw vacuum pump is connected to the left part of the heat exchange chamber, the output end of the water tank is connected to the pressure pump through a pipeline, and the output end of the pressure pump is connected to the inside of the heat exchange chamber through the high-pressure pipe; the liquid in the water tank is delivered to the inside of the heat exchange chamber by the pressure pump, the stability of the device is improved by the high-pressure pipe, the heat exchange chamber is supported by multiple sets of fixed frames, and a stable heat exchange environment is provided by the heat exchange chamber, thereby improving the practicality of the device.

[0008] Preferably, the heat exchange device includes an insulation layer, a spoiler baffle and a heat exchange pipe. The insulation layer is arranged in the heat exchange chamber, and multiple groups of spoiler baffles are evenly arranged from left to right in the heat exchange chamber, and multiple groups of through holes are evenly arranged on the spoiler baffles. The heat exchange pipe is spirally arranged in the heat exchange chamber, and the heat exchange pipe passes through the multiple groups of spoiler baffles and extends to the outside of the right end face of the heat exchange chamber, and the output end of the single-screw vacuum pump is connected to the heat exchange pipe; the heat loss of the liquid in the heat exchange chamber is reduced by the insulation layer, and the liquid in the heat exchange chamber is disturbed by the spoiler baffle so that the liquid can move evenly from the left to the right in the heat exchange chamber, thereby improving the heat exchange stability, and the contact area between the heat exchange pipe and the liquid in the heat exchange chamber is increased by the spiral arrangement of the heat exchange pipe itself, thereby improving the heat exchange efficiency and practicality of the equipment.

[0009] Preferably, the collecting device includes a collecting tube, a reduction motor, a rotating shaft and spiral blades. The collecting tube is connected to the lower end surface of the heat exchange bin, and strip-shaped connecting holes are provided at the upper part of the collecting tube and the lower part of the heat exchange bin. The strip-shaped connecting holes extend from the left end surface of the heat exchange bin to the right part of the heat exchange bin. A reduction motor is installed on the left end surface of the collecting tube, and a rotating shaft is horizontally installed in the collecting tube. Spiral blades are provided on the left part of the rotating shaft, and the output end of the reduction motor is connected to the rotating shaft; turning on the reduction motor transmits power to the rotating shaft to drive the spiral blades on the left part of the rotating shaft to rotate, thereby pushing the impurities precipitated in the heat exchange bin to the right part of the collecting tube for storage, reducing the impact of impurities in the water on the pipeline, and improving the practicality of the device.

[0010] Preferably, valves are also included. Two groups of sewage outlets are provided on the right side of the lower end surface of the collecting pipe, and a group of valves are installed on each of the two groups of sewage outlets. By opening the two groups of valves, the debris accumulated on the right side of the collecting pipe can be discharged. By setting up two groups of valves, the efficiency of sewage discharge is improved, the difficulty of sewage discharge is reduced, and the practicality of the device is improved.

[0011] Preferably, it also includes a wear-resistant partition, a guide plate and a vibration motor. A wear-resistant partition is provided on the right side of the rectangular hole between the collection pipe and the heat exchange bin, and the upper end face of the wear-resistant partition is provided with a guide plate inclined to the lower left. A vibration motor is installed on the right side of the rear end face of the heat exchange bin, and the vibration motor is located on the rear side of the wear-resistant partition; turning on the vibration motor transmits power through the heat exchange bin to the wear-resistant partition to drive the wear-resistant partition to vibrate, and cooperates with the guide plate on the wear-resistant partition to shake the debris accumulated on the upper side of the wear-resistant partition into the inside of the collection pipe, thereby improving the equipment's collection effect on dirt and impurities and improving the practicality of the device.

[0012] Compared with the prior art, the beneficial effects of the present invention are: a stable space is provided for the heat exchange process of the liquid through the liquid delivery device, the heat exchange efficiency and stability of the equipment are improved through the heat exchange device, and the debris in the pipeline is collected through the collection device, thereby reducing the impact of impurities in the pipeline on the normal use of the pipeline and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a first axonometric structural diagram of the present invention;

[0014] Figure 2 This is a second axonometric structural diagram of the present invention;

[0015] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the first partial enlarged structure of the utility model;

[0017] Figure 5 This is a second partial enlarged structural diagram of the utility model;

[0018] Markings in the attached figure: 1. Evaporator; 2. Condenser; 3. Compressor unit; 4. Single-screw vacuum pump; 5. Heat exchange chamber; 6. Fixed frame; 7. Water tank; 8. Pressure pump; 9. High-pressure pipe; 10. Insulation layer; 11. Turbine baffle; 12. Heat exchange pipe; 13. Collecting pipe; 14. Reducer motor; 15. Rotating shaft; 16. Spiral blade; 17. Valve; 18. Wear-resistant baffle; 19. Guide plate; 20. Vibration motor. DETAILED DESCRIPTION

[0019] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention. Example

[0020] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 The heat exchange device is connected to the liquid delivery device, and the collecting device is installed on the liquid delivery device;

[0021] First, turn on the vibration motor 20 to transmit power through the heat exchange chamber 5 to the wear-resistant partition 18, driving the wear-resistant partition 18 to vibrate, and cooperate with the guide plate 19 on the wear-resistant partition 18 to shake the debris accumulated on the upper side of the wear-resistant partition 18 into the collection pipe 13. Then, turn on the reduction motor 14 to transmit power to the rotating shaft 15 to drive the spiral blade 16 on the left side of the rotating shaft 15 to rotate, thereby pushing the impurities precipitated in the heat exchange chamber 5 to the right part of the collection pipe 13 for storage. Then, periodically open the two sets of valves 17 to collect the dirt stored in the right part of the collection pipe 13.

[0022] The liquid delivery device includes a heat exchange chamber 5, a fixing frame 6, a water tank 7, a pressure pump 8 and a high-pressure pipe 9. The main body of the heat exchange chamber 5 is fixedly supported by multiple sets of fixing frames 6. The output end of the single-screw vacuum pump 4 is connected to the left part of the heat exchange chamber 5. The output end of the water tank 7 is connected to the pressure pump 8 through a pipeline. The output end of the pressure pump 8 is connected to the inside of the heat exchange chamber 5 through the high-pressure pipe 9.

[0023] The heat exchange device includes an insulation layer 10, a spoiler baffle 11 and a heat exchange pipe 12. The insulation layer 10 is provided in the heat exchange chamber 5. Multiple groups of spoiler baffles 11 are evenly arranged from left to right in the heat exchange chamber 5. Multiple groups of through holes are evenly arranged on the spoiler baffles 11. The heat exchange pipe 12 is spirally arranged in the heat exchange chamber 5. The heat exchange pipe 12 passes through the multiple groups of spoiler baffles 11 and extends to the outside of the right end surface of the heat exchange chamber 5. The output end of the single-screw vacuum pump 4 is connected to the heat exchange pipe 12;

[0024] The collection device includes a collection pipe 13, a reduction motor 14, a rotating shaft 15, and a spiral blade 16. The collection pipe 13 is connected to the lower end surface of the heat exchange chamber 5. A strip-shaped communication hole is provided between the upper portion of the collection pipe 13 and the lower portion of the heat exchange chamber 5. The strip-shaped communication hole extends from the left end surface of the heat exchange chamber 5 to the right portion of the heat exchange chamber 5. The reduction motor 14 is installed on the left end surface of the collection pipe 13. The rotating shaft 15 is horizontally installed in the collection pipe 13. The left portion of the rotating shaft 15 is provided with a spiral blade 16. The output end of the reduction motor 14 is connected to the rotating shaft 15.

[0025] It also includes a valve 17. Two sets of sewage outlets are provided on the right side of the lower end surface of the collecting pipe 13, and a set of valves 17 are installed on each of the two sewage outlets.

[0026] It also includes a wear-resistant partition 18, a guide plate 19 and a vibration motor 20. The wear-resistant partition 18 is provided on the right side of the rectangular hole between the collection pipe 13 and the heat exchange chamber 5. The upper end surface of the wear-resistant partition 18 is provided with a guide plate 19 inclined to the lower left. The vibration motor 20 is installed on the right side of the rear end surface of the heat exchange chamber 5. The vibration motor 20 is located on the rear side of the wear-resistant partition 18.

[0027] The liquid delivery device provides a stable space for the heat exchange process of the liquid, the heat exchange device improves the heat exchange efficiency and stability of the equipment, and the collection device collects debris in the pipeline, reducing the impact of impurities in the pipeline on the normal use of the pipeline, thereby improving the practicality of the device.

[0028] like Figures 1 to 5 As shown, the utility model is a device for recovering waste heat from circulating water of an evaporating unit. When it is working, the vibration motor 20 is first turned on to transmit power to the wear-resistant partition 18 through the heat exchange chamber 5 to drive the wear-resistant partition 18 to vibrate, and cooperates with the guide plate 19 on the wear-resistant partition 18 to shake the debris accumulated on the upper side of the wear-resistant partition 18 into the inside of the collection pipe 13. Then, the reduction motor 14 is turned on to transmit power to the rotating shaft 15 to drive the spiral blade 16 on the left part of the rotating shaft 15 to rotate, thereby pushing the impurities precipitated in the heat exchange chamber 5 to the right part of the collection pipe 13 for storage, and then regularly open the two sets of valves 17 to collect the dirt stored in the right part of the collection pipe 13.

[0029] The booster pump 8, reduction motor 14, valve 17 and vibration motor 20 of the circulating water waste heat recovery device of an evaporator unit of the present invention are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to make creative efforts.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A waste heat recovery device for circulating water of an evaporation unit, comprising an evaporator (1), a condenser (2), a compressor unit (3) and a single screw vacuum pump (4), wherein the input end of the evaporator (1) is connected to the compressor unit (3), the output end of the evaporator (1) is connected to the condenser (2), and the output end of the condenser (2) is connected to the single screw vacuum pump (4); characterized in that: The invention comprises a liquid feeding device, a heat exchanging device and a collecting device. The heat exchanging device is installed on the liquid feeding device, and the collecting device is installed on the liquid feeding device.

2. The evaporator unit circulating water waste heat recovery device according to claim 1, characterized in that: The liquid delivery device comprises a heat exchange chamber (5), a fixing frame (6), a water tank (7), a pressure pump (8) and a high-pressure pipe (9). The main body of the heat exchange chamber (5) is fixedly supported by multiple sets of fixing frames (6). The output end of the single-screw vacuum pump (4) is connected to the left part of the heat exchange chamber (5). The output end of the water tank (7) is connected to the pressure pump (8) through a pipeline. The output end of the pressure pump (8) is connected to the inside of the heat exchange chamber (5) through the high-pressure pipe (9).

3. The evaporator unit circulating water waste heat recovery device according to claim 2, characterized in that: The heat exchange device comprises an insulation layer (10), a spoiler baffle (11) and a heat exchange pipe (12); the insulation layer (10) is arranged in the heat exchange chamber (5); a plurality of groups of spoiler baffles (11) are evenly arranged from left to right in the heat exchange chamber (5); a plurality of groups of through holes are evenly arranged on the spoiler baffles (11); a heat exchange pipe (12) is spirally arranged in the heat exchange chamber (5); the heat exchange pipe (12) passes through the plurality of groups of spoiler baffles (11) and extends to the outside of the right end surface of the heat exchange chamber (5); and the output end of the single-screw vacuum pump (4) is connected to the heat exchange pipe (12).

4. The evaporator unit circulating water waste heat recovery device according to claim 3, characterized in that: The collecting device comprises a collecting pipe (13), a reduction motor (14), a rotating shaft (15) and a spiral blade (16). The collecting pipe (13) is connected to the lower end surface of the heat exchange chamber (5). The upper part of the collecting pipe (13) and the lower part of the heat exchange chamber (5) are provided with a strip-shaped communicating hole. The strip-shaped communicating hole extends from the left end surface of the heat exchange chamber (5) to the right part of the heat exchange chamber (5). The reducing motor (14) is installed on the left end surface of the collecting pipe (13). The rotating shaft (15) is horizontally installed in the collecting pipe (13). The left part of the rotating shaft (15) is provided with a spiral blade (16). The output end of the reducing motor (14) is connected to the rotating shaft (15).

5. The evaporator unit circulating water waste heat recovery device according to claim 4, characterized in that: It also includes a valve (17). Two groups of sewage outlets are provided on the right side of the lower end surface of the collecting pipe (13), and a group of valves (17) are respectively installed on the two groups of sewage outlets.

6. The evaporator unit circulating water waste heat recovery device according to claim 5, characterized in that: The heat exchange chamber (5) further comprises a wear-resistant partition (18), a guide plate (19) and a vibration motor (20). The wear-resistant partition (18) is provided on the right side of the rectangular hole between the collecting pipe (13) and the heat exchange chamber (5). The upper end surface of the wear-resistant partition (18) is provided with a guide plate (19) inclined downward to the left. The vibration motor (20) is installed on the right side of the rear end surface of the heat exchange chamber (5). The vibration motor (20) is located on the rear side of the wear-resistant partition (18).

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