Cryogenic high-purity nitrogen making machine with noise reduction function

By setting multiple sound insulation layers on the inner side of the base plate of the cryogenic high-purity nitrogen generator and installing sound insulation components on the inlet and outlet pipes, the problem of high noise in the cryogenic high-purity nitrogen generator has been solved, achieving a balance between noise isolation and equipment heat dissipation.

CN224034137UActive Publication Date: 2026-03-24PUREAIRGAS (SUZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Cryogenic high-purity nitrogen generators generate significant noise during operation, which can negatively impact the health of staff.

Method used

An adjustable base plate is set on the base of the cryogenic high-purity nitrogen generator. The inner side of the base plate is provided with multiple sound insulation layers, and sound insulation components, including a buffer layer, a porous sound insulation board and a rock wool sleeve, are installed on the inlet and outlet pipes. The sound insulation layers are fixed and adjusted by threaded connection and slider structure.

Benefits of technology

Effective isolation and reduction of noise transmission protects the health of staff while ensuring proper heat dissipation of equipment and reducing costs.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a cryogenic high-purity nitrogen making machine with a noise reduction function, which comprises a base, a cryogenic high-purity nitrogen making machine main machine is arranged on the base, the top of the base is slidably connected with a base plate, the base plate is of an arc-shaped structure, the inner side of the base plate is provided with a clamping groove, a fourth sound insulation layer, a fifth sound insulation layer and a sixth sound insulation layer are inserted into the clamping groove, and the fourth sound insulation layer, the fifth sound insulation layer and the sixth sound insulation layer are arranged in the clamping groove. The end side of the base plate is connected with a second screw rod, one end of the second screw rod is movably connected with a pressing plate, the pressing plate and the second screw rod are distributed in a bilateral symmetry mode about the bisector of the base plate, the second screw rod and the base plate are in threaded connection, and the pressing plate is attached to the inner side of the fourth sound insulation layer. One end of the second screw penetrates through the base plate and is located on the inner side of the fourth sound insulation layer. By means of the device, noise generated in the running process of equipment in the main machine of the cryogenic high-purity nitrogen making machine can be regionally isolated, direct impact on workers is avoided, and harm to the bodies of the workers is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen making machine technical field, concretely is a kind of deep cold high-purity nitrogen making machine with dryness reducing function. BACKGROUND

[0002] Deep cold air separation nitrogen is a traditional nitrogen making method, has nearly a decade history, it is with air as raw material, after compression, purification, again using heat exchange makes air liquefaction become liquid air, liquid air is mainly the mixture of liquid oxygen and liquid nitrogen, using the boiling point of liquid oxygen and liquid nitrogen, through rectification of liquid air, makes them separate to obtain nitrogen.

[0003] Deep cold high-purity nitrogen making machine is composed of main machine, air compression purification mechanism, low-temperature liquefaction refrigeration mechanism, rectification separation mechanism, deep cold high-purity nitrogen making machine will produce larger noise in the process of running, affect the health of staff, thus needs to be improved. INVENTION CONTENTS

[0004] The utility model discloses a kind of deep cold high-purity nitrogen making machines with dryness reducing function, to solve the problem of the noise of deep cold high-purity nitrogen making machine proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of deep cold high-purity nitrogen making machines with dryness reducing function, including base, the base is provided with deep cold high-purity nitrogen making machine main machine, base top is slidably connected with base plate, base plate is arc structure, clamping groove is set in base plate inboard, fourth sound insulation layer, fifth sound insulation layer and sixth sound insulation layer are inserted in the inside of clamping groove, the end of second screw is connected with the end of second screw in base plate and is located the inboard of fourth sound insulation layer.

[0006] Preferably, the end of second screw is movably connected with pressing plate, and the pressing plate is attached to the inboard of fourth sound insulation layer.

[0007] Preferably, the pressing plate and second screw are symmetrically distributed about the bisector of the base plate, and the second screw is threadedly connected with the base plate.

[0008] Preferably, an annular slide groove is formed in the top of the base, a sliding block is fixedly connected to the top side of the base plate, and the bottom of the sliding block is inserted into the annular slide groove.

[0009] Preferably, a fixing bolt is threadedly connected to the outer wall of the base, and the end of the fixing bolt.

[0010] Preferably, the deep cold high-purity nitrogen making machine main machine is connected with an air outlet pipe on one side, and is connected with an air inlet pipe on the other side, and the air inlet pipe and the air outlet pipe are both provided with sound insulation assemblies.

[0011] Preferably, the sound insulation assembly comprises a connecting frame sleeved with the outer wall of the air outlet pipe, a first screw rod is threadedly connected to the connecting frame, the outer wall of the air outlet pipe is tightly attached with a buffer layer, the outer wall of the buffer layer is attached with a second sound insulation layer, the outer wall of the second sound insulation layer is attached with a first sound insulation layer, and one end of the first screw rod is supported on the outer wall of the first sound insulation layer.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] (1) The device can regionally isolate the noise generated in the operation process of the internal equipment of the deep cryogenic high-purity nitrogen making machine host, avoid direct impact on the workers, and reduce the harm to the workers' bodies.

[0014] (2) The device can adjust the position of the base through the outer wall of the deep cryogenic high-purity nitrogen making machine host on the top of the base, so that the base can be adjusted and used according to the needs of the sound insulation position. The base not only plays a role in sound insulation and noise reduction, but also reduces the cost, while ensuring the normal heat dissipation of the deep cryogenic high-purity nitrogen making machine host.

[0015] (3) The device can increase or decrease the fourth sound insulation layer, the fifth sound insulation layer and the sixth sound insulation layer by opening the clamping groove in the inner wall of the base and inserting the fourth sound insulation layer, the fifth sound insulation layer and the sixth sound insulation layer in the clamping groove, thereby ensuring the sound insulation and noise reduction effect of the base. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the deep cryogenic high-purity nitrogen making machine with the dryness reducing function.

[0017] Figure 2 It is a side view of the air outlet pipe and the sound insulation assembly connection of the deep cryogenic high-purity nitrogen making machine with the dryness reducing function.

[0018] Figure 3 It is a top view of the base and the base plate connection of the deep cryogenic high-purity nitrogen making machine with the dryness reducing function.

[0019] Figure 4 It is a side view of the deep cryogenic high-purity nitrogen making machine with the dryness reducing function. Figure 3 It is an enlarged view of A in the figure.

[0020] In the figure: 1, deep cryogenic high-purity nitrogen making machine host; 2, air inlet pipe; 3, air outlet pipe; 4, sound insulation assembly; 41, buffer layer; 42, first screw rod; 43, connecting frame; 44, second sound insulation layer; 45, first sound insulation layer; 5, sliding block; 6, fixed bolt; 7, base; 8, base plate; 9, second screw rod; 10, pressing plate; 11, fourth sound insulation layer; 12, fifth sound insulation layer; 13, sixth sound insulation layer. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-4The utility model provides a technical scheme: a deep cold high purity nitrogen making machine with dryness reducing function, including base 7, be provided with deep cold high purity nitrogen making machine host computer 1 on base 7, the side of deep cold high purity nitrogen making machine host computer 1 is connected with the air outlet pipe 3, the other side of deep cold high purity nitrogen making machine host computer 1 is connected with the air inlet pipe 2, all are provided with sound insulation component 4 on air inlet pipe 2 and air outlet pipe 3, this structure can carry out sound insulation to the position of the local easy noise generation of air inlet pipe 2 and air outlet pipe 3 through sound insulation component 4, and sound insulation component 4 can adjust the position according to the length of air inlet pipe 2 and air outlet pipe 3, the length of sound insulation component 4 can be manufactured according to customer demand in the production process, sound insulation component 4 includes the connecting frame 43 of the outer wall sleeve of air outlet pipe 3, is screw -threaded on the first screw rod 42 of connecting frame 43, the outer wall of air outlet pipe 3 is closely combined with buffer layer 41, buffer layer 41 outer wall is combined with second sound insulation layer 44, second sound insulation layer 44 outer wall is combined with first sound insulation layer 45, the first end of first screw rod 42 is supported in the outer wall of first sound insulation layer 45, this structure can press fit first sound insulation layer 45, second sound insulation layer 44 and buffer layer 41 by rotating first screw rod 42, thereby can guarantee the close fit of first sound insulation layer 45, second sound insulation layer 44 and buffer layer 41 with air outlet pipe 3, guarantee the sound insulation and noise reduction effect of air outlet pipe 3, the buffer layer 41 of the device is buffer rubber sleeve, second sound insulation layer 44 is sound insulation rock wool cover, first sound insulation layer 45 is the round cover of porous sound insulation board production, connecting frame 43 is metal material, the top of base 7 is provided with annular slide groove, the top side of base plate 8 is fixedly connected with sliding block 5, the bottom of sliding block 5 is inserted in annular slide groove, this structure can connect base plate 8 with base 7 through the setting sliding block 5, also can improve the stability when moving adjusting position of base plate 8, the outer wall of base 7 is screw -threaded with fixed bolt 6, one end of fixed bolt 6, this structure can fix base 7 through fixed bolt 6, thereby guarantee the stability of base plate 8, base 7 top slidingly connected with base plate 8, base plate 8 is arc structure, the inner side of base plate 8 is provided with clamping groove, fourth sound insulation layer 11, fifth sound insulation layer 12 and sixth sound insulation layer 13 are inserted in the inside of clamping groove, the end side of base plate 8 is connected with second screw rod 9, one end of second screw rod 9 is movably connected with pressing plate 10, pressing plate 10 is combined in the inner side of fourth sound insulation layer 11, and pressing plate 10 and second screw rod 9 are all about the bilateral symmetry distribution of the bisecting line of base plate 8, and second screw rod 9 and base plate 8 form screw connection, this structure can drive pressing plate 10 to approach or away from fourth sound insulation layer 11 by rotating second screw rod 9, and second screw rod 9 and pressing plate 10 can press and fix fourth sound insulation layer 11, fifth sound insulation layer 12 and sixth sound insulation layer 13, thereby avoid the effect of sound insulation and noise reduction of the edge of fourth sound insulation layer 11, fifth sound insulation layer 12 and sixth sound insulation layer 13 not fit, fourth sound insulation layer 11 and fifth sound insulation layer 12 are all porous sound insulation board, and sixth sound insulation layer 13 is rock wool material, one end of second screw rod 9 penetrates base plate 8 and is located in the inner side of fourth sound insulation layer 11.

[0023] Working principle: in using the deep cold high purity nitrogen making machine with the function of reducing dry, first, according to the demand of sound insulation position, adjust the position of base plate 8, when adjusting, first, take down the fixed bolt 6, then push the base plate 8, make the base plate 8 move to the suitable position through the slider 5 on the top of the base 7, then use the fixed bolt 6 to fix the base 7 and the slider 5, then insert the fourth sound insulation layer 11, the fifth sound insulation layer 12 and the sixth sound insulation layer 13 from the top of the base plate 8 to the inside of the base plate 8, after installing the fourth sound insulation layer 11, the fifth sound insulation layer 12 and the sixth sound insulation layer 13, rotate the second screw 9, make the second screw 9 push the pressing plate 10 to press the outside of the fourth sound insulation layer 11, the fifth sound insulation layer 12 and the sixth sound insulation layer 13, while the deep cold high purity nitrogen making machine main machine 1 in the process of running, the sound insulation assembly 4 can also play a certain sound insulation and noise reduction effect to the air inlet pipe 2 and the air outlet pipe 3, reduce the spread of noise.

[0024] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A cryogenic high-purity nitrogen generator with a de-drying function, comprising a base (7), characterized in that: The base (7) is provided with a cryogenic high-purity nitrogen generator main unit (1). The base (7) is slidably connected to the top of the base (7). The base (8) has an arc-shaped structure. A slot is opened on the inner side of the base (8). The slot is filled with a fourth sound insulation layer (11), a fifth sound insulation layer (12) and a sixth sound insulation layer (13). A second screw (9) is connected to the end side of the base (8). One end of the second screw (9) passes through the base (8) and is located inside the fourth sound insulation layer (11).

2. The cryogenic high-purity nitrogen generator with a drying function according to claim 1, characterized in that: One end of the second screw (9) is movably connected to a pressure plate (10), which is attached to the inner side of the fourth sound insulation layer (11).

3. A cryogenic high-purity nitrogen generator with a drying function according to claim 2, characterized in that: The pressure plate (10) and the second screw (9) are symmetrically distributed about the bisector of the substrate (8), and the second screw (9) and the substrate (8) are connected by a thread.

4. A cryogenic high-purity nitrogen generator with a drying function according to claim 1, characterized in that: The top of the base (7) is provided with an annular groove, and the top side of the base plate (8) is fixedly connected with a slider (5), and the bottom of the slider (5) is inserted into the annular groove.

5. A cryogenic high-purity nitrogen generator with a de-drying function according to claim 1, characterized in that: The outer wall of the base (7) is threaded with a fixing bolt (6), and one end of the fixing bolt (6) is connected to the fixing bolt (6).

6. A cryogenic high-purity nitrogen generator with a drying function according to claim 1, characterized in that: The main unit (1) of the cryogenic high-purity nitrogen generator is connected to an outlet pipe (3) on one side and an inlet pipe (2) on the other side. Both the inlet pipe (2) and the outlet pipe (3) are equipped with sound insulation components (4).

7. A cryogenic high-purity nitrogen generator with a drying function according to claim 6, characterized in that: The sound insulation component (4) includes a connecting frame (43) sleeved on the outer wall of the air outlet pipe (3), a first screw (42) threaded onto the connecting frame (43), a buffer layer (41) tightly attached to the outer wall of the air outlet pipe (3), a second sound insulation layer (44) attached to the outer wall of the buffer layer (41), a first sound insulation layer (45) attached to the outer wall of the second sound insulation layer (44), and one end of the first screw (42) supported on the outer wall of the first sound insulation layer (45).