Nitrogen cooling capacity recovery device
By combining a servo motor-driven cleaning device with an air pump, the problem of dust accumulation on the heat exchanger fins is solved, enabling efficient cleaning and convenient replacement while maintaining the heat exchanger's heat dissipation performance.
Patent Information
- Application Number
- CN202422303831.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-21
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-09-21
AI Technical Summary
After prolonged use, dust tends to accumulate on the heat exchange fins of existing heat exchangers, leading to a reduction in heat dissipation efficiency.
A cleaning device driven by a servo motor was designed. A screw drives a moving plate and a cleaning plate into the gap of the heat sink fins. The dust is cleaned by brush bristles and assisted by air blowing by an air pump. An auxiliary device is provided to facilitate the replacement of the cleaning plate.
It effectively cleans the dust on the heat exchanger fins, maintains heat dissipation, improves the efficiency of the heat exchanger, and facilitates the replacement of the cleaning plate and resource utilization.
Smart Images
Figure CN223649794U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to nitrogen recovery technical field especially relates to a nitrogen cold quantity recovery device. BACKGROUND
[0002] The principle of nitrogen cold quantity recovery is through the physical characteristics of liquid nitrogen, utilizes the cold quantity in the vaporization process, carries out heat exchange through heat exchanger and other medium, thereby realizes the recovery and reuse of cold quantity.
[0003] In prior art, after the heat exchanger is used for a long time, dust is easy to accumulate on the heat dissipation fins of the heat exchanger, so that the space between the heat dissipation fins on the heat exchanger becomes smaller, and the heat dissipation effect of the heat dissipation fins is reduced. UTILITY MODEL CONTENT
[0004] The utility model discloses a nitrogen cold quantity recovery device to solve the shortcoming in prior art.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a nitrogen cold quantity recovery device, including nitrogen compression equipment and auxiliary device, one side of nitrogen compression equipment is fixedly connected with cooling equipment, one side of nitrogen compression equipment is fixedly connected with heat exchanger, one side of heat exchanger is equipped with cleaning device, the cleaning device includes two mutually symmetrical fixed plates, two fixed plates are fixedly connected on one side of heat exchanger, the surface of two fixed plates is rotatably connected with same screw rod, one side of one fixed plate is fixedly connected with servo motor, the output of servo motor is fixedly connected with screw rod, the circular arc surface of screw rod is connected with moving plate, one side of moving plate is equipped with a plurality of moving plates by means of auxiliary device, a plurality of moving plates are located in the middle of the heat dissipation fin of heat exchanger respectively, both sides of moving plate are fixedly connected with brush, and the brush is attached to the heat dissipation fin of heat exchanger.
[0006] The effect reached by the above-mentioned components is that when the nitrogen compression equipment works, the cooling liquid in the cooling equipment cools the nitrogen in the nitrogen compression equipment, the cooling liquid enters the heat exchanger to exchange heat, when the heat dissipation fins in the heat exchanger need to be cleaned, the staff opens the servo motor on the fixed plate, the servo motor rotates with the screw rod, the screw rod moves with the moving plate and a plurality of cleaning plates, a plurality of cleaning plates are located in the gap of the heat dissipation fin of the heat exchanger, the brush on the cleaning plate cleans the dust on the heat dissipation fin, the cleaning device achieves the effect of cleaning the heat dissipation fin on the heat exchanger, avoids the dust accumulation on the heat dissipation fin, so that the heat dissipation effect of the heat dissipation fin is affected.
[0007] Preferably, one end of the screw rod is provided with a bearing, an outer ring of the bearing is fixedly connected with the fixed plate, and an inner ring of the bearing is fixedly connected with the screw rod.
[0008] The above component achieves the effect of improving the stability of the rotation of the screw rod by arranging the bearing, and avoiding the shaking of the screw rod.
[0009] Preferably, the surface of the moving plate is slidably provided with two limit rods which are symmetrical to each other, and two ends of the limit rods are fixedly connected with the two fixed plates.
[0010] The above component achieves the effect of limiting the moving direction of the moving plate, and further improves the stability of the movement of the moving plate.
[0011] Preferably, one side of the moving plate is fixedly connected with an air pump, the moving plate and the cleaning plate are hollow plates, the moving plate is in communication with the cleaning plate, and one side of the cleaning plate is fixedly connected with two symmetrical air injection pipes.
[0012] The above component achieves the effect of improving the cleaning effect of the cleaning plate on the heat dissipation fins of the heat exchanger by blowing air to the heat dissipation fins when the cleaning plate is cleaning the heat dissipation fins of the heat exchanger.
[0013] Preferably, the auxiliary device is arranged on one side of the moving plate, the auxiliary device comprises a plurality of square tubes, the plurality of square tubes are fixedly connected with one side of the moving plate, the inner dimension of the square tube is matched with the size of the cleaning plate, the surface of the square tube is slidably provided with two insertion rods, one end of the two insertion rods is fixedly connected with the same pad, the cleaning plate is provided with an insertion hole corresponding to the insertion rod, and the size of the insertion rod is matched with the size of the insertion hole.
[0014] The above component achieves the effect of fixing the cleaning plate by inserting the new cleaning plate into the square tube of the moving plate, moving the pad, and inserting the insertion rod into the insertion hole of the cleaning plate through the square tube, and further improves the utilization rate of resources by facilitating the replacement of the cleaning plate by the worker through the auxiliary device.
[0015] Preferably, one side of the cleaning plate close to the square tube is fixedly connected with a sealing ring, and the sealing ring is a rubber ring.
[0016] The above component achieves the effect of sealing the gap between the cleaning plate and the square tube by arranging the sealing ring, and avoids the leakage of the air blown by the air pump from the gap.
[0017] Preferably, one side of the base plate is fixedly connected with a handle, and the surface of the handle is provided with anti-skid lines.
[0018] The effect achieved by the above-mentioned components is that the handle facilitates the movement of the base plate by the staff.
[0019] Preferably, one end of the insertion rod is fixedly connected with a sharp protrusion, and the tip of the sharp protrusion is away from the insertion rod.
[0020] The effect achieved by the above-mentioned components is that the sharp protrusion facilitates the insertion of the insertion rod into the insertion hole of the cleaning plate by the staff.
[0021] In summary, the beneficial effects of the present application are:
[0022] When the nitrogen compression equipment is working, the cooling liquid in the cooling equipment cools the nitrogen in the nitrogen compression equipment, and the cooling liquid enters the heat exchanger to exchange heat. When the heat dissipation fins in the heat exchanger need to be cleaned, the staff opens the servo motor on the fixed plate, the servo motor rotates with the screw rod, and the screw rod moves with the moving plate and the plurality of cleaning plates. The plurality of cleaning plates are located in the gaps of the heat dissipation fins of the heat exchanger, and the bristles on the cleaning plate clean the dust on the heat dissipation fins. The cleaning device achieves the effect of cleaning the heat dissipation fins on the heat exchanger, avoiding the accumulation of dust on the heat dissipation fins, thereby preventing the heat dissipation fins from affecting the heat dissipation effect. BRIEF DESCRIPTION OF DRAWINGS
[0023] Fig. 1 It is a schematic diagram of the three-dimensional structure of the present application;
[0024] Fig. 2 It is a schematic diagram of the three-dimensional structure of the cleaning device of the present application;
[0025] Fig. 3 It is a schematic diagram of the three-dimensional structure of the cleaning plate of the present application;
[0026] Fig. 4 It is a schematic diagram of the three-dimensional structure of the square tube of the present application.
[0027] Legend: 1, nitrogen compression equipment; 2, cooling equipment; 3, heat exchanger; 4, cleaning device; 41, fixed plate; 42, servo motor; 43, screw rod; 44, moving plate; 45, cleaning plate; 46, bristles; 47, limiting rod; 48, bearing; 49, air pump; 410, air injection pipe; 5, auxiliary device; 51, square tube; 52, insertion rod; 53, insertion hole; 54, base plate; 55, handle; 56, sharp protrusion; 57, sealing ring. DETAILED DESCRIPTION
[0028] Refer toFigs. 1-4 The embodiment shown discloses a nitrogen cold energy recovery device, which comprises a nitrogen compression device 1 and an auxiliary device 5, one side of the nitrogen compression device 1 is fixedly connected with a cooling device 2, one side of the nitrogen compression device 1 is fixedly connected with a heat exchanger 3, one side of the heat exchanger 3 is provided with a cleaning device 4, and the auxiliary device 5 is arranged on one side of a moving plate 44.
[0029] With reference to Figs. 1-4 The cleaning device 4 comprises two symmetrical fixed plates 41, the two fixed plates 41 are fixedly connected on one side of the heat exchanger 3, the same screw rod 43 is rotatably connected to the surfaces of the two fixed plates 41, one side of one of the fixed plates 41 is fixedly connected with a servo motor 42, the output end of the servo motor 42 is fixedly connected with the screw rod 43, the arc surface of the screw rod 43 is threadedly connected with the moving plate 44, one side of the moving plate 44 is provided with a plurality of moving plates 44 through the auxiliary device 5, the plurality of moving plates 44 are respectively located in the middle of the heat dissipation fins of the heat exchanger 3, both sides of the moving plate 44 are fixedly connected with brush hairs 46, and the brush hairs 46 are attached to the heat dissipation fins of the heat exchanger 3. When the nitrogen compression device 1 works, the cooling liquid in the cooling device 2 cools the nitrogen in the nitrogen compression device 1, the cooling liquid enters the heat exchanger 3 for heat exchange, when it is necessary to clean the heat dissipation fins in the heat exchanger 3, the staff opens the servo motor 42 on the fixed plate 41, the servo motor 42 rotates with the screw rod 43, the screw rod 43 moves with the moving plate 44 and the plurality of cleaning plates 45, the plurality of cleaning plates 45 are located in the gaps of the heat dissipation fins of the heat exchanger 3, the brush hairs 46 on the cleaning plates 45 clean the dust on the heat dissipation fins, the cleaning device 4 achieves the effect of cleaning the heat dissipation fins on the heat exchanger 3, avoids the dust from being accumulated on the heat dissipation fins, and thus avoids the situation that the heat dissipation fins affect the heat dissipation effect.
[0030] With reference to Figs. 1-4As shown, one end of the screw rod 43 is provided with a bearing 48, the outer ring of the bearing 48 is fixedly connected with the fixed plate 41, and the inner ring of the bearing 48 is fixedly connected with the screw rod 43. By arranging the bearing 48, the stability of the rotation of the screw rod 43 is improved, and the screw rod 43 is prevented from shaking. The surface of the moving plate 44 is slidably provided with two symmetrical limiting rods 47, and the two ends of the limiting rod 47 are fixedly connected with the two fixed plates 41. By arranging the limiting rod 47, the effect of limiting the moving direction of the moving plate 44 is achieved, and the stability of the movement of the moving plate 44 is improved. One side of the moving plate 44 is fixedly connected with an air pump 49, the moving plate 44 and the cleaning plate 45 are hollow plates, the moving plate 44 is communicated with the cleaning plate 45, and one side of the cleaning plate 45 is fixedly connected with two symmetrical air injection pipes 410. During the cleaning process of the heat exchange 3 of the heat exchange 3, the worker opens the air pump 49, the gas generated by the air pump 49 passes through the moving plate 44 and the cleaning plate 45 and is injected from the air injection pipe 410, and the heat dissipation fin is blown, so that the cleaning effect of the cleaning plate 45 on the heat dissipation fin is improved.
[0031] Referring to Figs. 1-4 As shown, the auxiliary device 5 includes a plurality of square tunnels 51, the plurality of square tunnels 51 are fixedly connected on one side of the moving plate 44, the inner size of the square tunnel 51 is matched with the size of the cleaning plate 45, the surface of the square tunnel 51 is slidably provided with two insertion rods 52, one end of the two insertion rods 52 is fixedly connected with the same backing plate 54, the cleaning plate 45 is provided with an insertion hole 53 corresponding to the insertion rod 52, and the size of the insertion rod 52 is matched with the size of the insertion hole 53. When the bristles 46 on the cleaning plate 45 are damaged, the worker inserts the new cleaning plate 45 into the square tunnel 51 of the moving plate 44, then moves the backing plate 54, and the backing plate 54 inserts the insertion rod 52 into the insertion hole 53 of the cleaning plate 45 through the square tunnel 51, so that the cleaning plate 45 is fixed. Through the auxiliary device 5, the worker can conveniently replace the single cleaning plate 45, and the utilization rate of resources is improved.
[0032] Referring to Figs. 1-4 As shown, the cleaning plate 45 is fixedly connected with a sealing ring 57 on one side close to the square tunnel 51, and the sealing ring 57 is a rubber ring. By arranging the sealing ring 57, the gap between the cleaning plate 45 and the square tunnel 51 is sealed, so that the gas blown by the air pump 49 is prevented from leaking from the gap. One side of the backing plate 54 is fixedly connected with a handle 55, and the surface of the handle 55 is provided with anti-skid lines. By arranging the handle 55, the worker can conveniently move the backing plate 54, and the worker is facilitated. One end of the insertion rod 52 is fixedly connected with a sharp protrusion 56, and the tip of the sharp protrusion 56 is away from the insertion rod 52. By arranging the sharp protrusion 56, the worker can conveniently insert the insertion rod 52 into the insertion hole 53 of the cleaning plate 45, and the worker is facilitated.
[0033] Working principle: when the nitrogen compression equipment 1 works, the cooling liquid in the cooling equipment 2 cools the nitrogen in the nitrogen compression equipment 1, and the cooling liquid enters the heat exchanger 3 for heat exchange; when it is necessary to clean the heat dissipation fins in the heat exchanger 3, the worker opens the servo motor 42 on the fixed plate 41, the servo motor 42 rotates with the screw rod 43, the bearing 48 at one end of the screw rod 43 improves the stability of the rotation of the screw rod 43, the screw rod 43 moves with the moving plate 44 and the plurality of cleaning plates 45, the plurality of cleaning plates 45 are located in the gap of the heat dissipation fins of the heat exchanger 3, the bristles 46 on the cleaning plate 45 clean the dust on the heat dissipation fins, at this time the worker opens the air pump 49, the gas generated by the air pump 49 passes through the moving plate 44 and the cleaning plate 45 and is sprayed from the air jet pipe 410, and blows the heat dissipation fins, so as to improve the cleaning effect of the cleaning plate 45 on the heat dissipation fins, through the cleaning device 4, the heat dissipation fins on the heat exchanger 3 are cleaned, dust accumulation on the heat dissipation fins is avoided, so as to avoid the situation that the heat dissipation fins affect the heat dissipation effect.
[0034] When the bristles 46 on the cleaning plate 45 are damaged, the worker inserts the new cleaning plate 45 into the square hole 51 of the moving plate 44, then moves the pad 54 through the handle 55, the pad 54 inserts the insertion rod 52 into the insertion hole 53 of the cleaning plate 45 through the sharp convex 56, and the effect of fixing the cleaning plate 45 is achieved, through the auxiliary device 5, the effect that the worker can conveniently replace the single cleaning plate 45 is achieved, and the utilization rate of resources is improved.
Claims
1. A nitrogen cold recovery plant comprising a nitrogen compression device (1) and auxiliary means (5), characterized in that: One side of the nitrogen compression equipment (1) is fixedly connected with a cooling equipment (2), one side of the nitrogen compression equipment (1) is fixedly connected with a heat exchanger (3), one side of the heat exchanger (3) is provided with a cleaning device (4), the cleaning device (4) comprises two mutually symmetrical fixed plates (41), two fixed plates (41) are fixedly connected on one side of the heat exchanger (3), the same screw rod (43) is rotatably connected to the surface of the two fixed plates (41), one side of one of the fixed plates (41) is fixedly connected with a servo motor (42), the output end of the servo motor (42) is fixedly connected with the screw rod (43), the circular arc surface of the screw rod (43) is threadedly connected with a moving plate (44), one side of the moving plate (44) is provided with a plurality of moving plates (44) by means of an auxiliary device (5), a plurality of moving plates (44) are respectively located in the middle of the heat dissipation fins of the heat exchanger (3), the two sides of the moving plate (44) are fixedly connected with bristles (46), and the bristles (46) are attached to the heat dissipation fins of the heat exchanger (3).
2. The nitrogen gas cold energy recovery device of claim 1, wherein: One end of the screw rod (43) is provided with a bearing (48), the outer ring of the bearing (48) is fixedly connected with the fixed plate (41), and the inner ring of the bearing (48) is fixedly connected with the screw rod (43).
3. The nitrogen gas cold energy recovery device of claim 1, wherein: The surface of the moving plate (44) is slidably provided with two mutually symmetrical limiting rods (47), and the two ends of the limiting rod (47) are fixedly connected with the two fixed plates (41).
4. The nitrogen gas cold energy recovery device of claim 1, wherein: One side of the moving plate (44) is fixedly connected with an air pump (49), the moving plate (44) and the cleaning plate (45) are hollow plates, the moving plate (44) is communicated with the cleaning plate (45), and one side of the cleaning plate (45) is fixedly connected with two mutually symmetrical air injection pipes (410).
5. The nitrogen gas cold energy recovery device of claim 1, wherein: The auxiliary device (5) is arranged on one side of the moving plate (44), the auxiliary device (5) comprises a plurality of square tubes (51), a plurality of square tubes (51) are fixedly connected on one side of the moving plate (44), the inner dimension of the square tube (51) is matched with the size of the cleaning plate (45), the surface of the square tube (51) is slidably provided with two inserting rods (52), one end of the two inserting rods (52) is fixedly connected with the same pad (54), the cleaning plate (45) is provided with an insertion hole (53) corresponding to the inserting rod (52), and the size of the insertion hole (53) is matched with the size of the insertion hole (53).
6. A nitrogen gas cold energy recovery device according to claim 5, wherein: The cleaning plate (45) is fixedly connected with a sealing ring (57) on one side close to the square tube (51), and the sealing ring (57) is a rubber ring.
7. The nitrogen gas cold energy recovery device of claim 5, wherein: One side of the pad (54) is fixedly connected with a handle (55), and the surface of the handle (55) is provided with anti-skid lines.
8. The nitrogen gas cold energy recovery device of claim 5, wherein: One end of the inserting rod (52) is fixedly connected with a sharp convex (56), and the tip of the sharp convex (56) is away from the inserting rod (52). One end of the inserting rod (52) is fixedly connected with a sharp convex (56), and the tip of the sharp convex (56) is away from the inserting rod (52).