Air separation system nitrogen mutual protection device
By designing a nitrogen interoperability protection device in the air separation system, and utilizing the combination of pipelines, solenoid valves, pressure gauges, and reversing valves of the two nitrogen compressors, automatic nitrogen interoperability protection is achieved, solving the problem of unstable nitrogen compressor operation and ensuring the continuity of nitrogen supply and the stability of production.
Patent Information
- Application Number
- CN202423299795.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The nitrogen compressor in a traditional air separation system is unstable and prone to failure, which can lead to interruption of nitrogen supply and affect the normal operation of the production system.
Design a nitrogen interoperability device for an air separation system. Through the combination of pipelines and solenoid valves, pressure monitoring gauges and reversing valves of two nitrogen compressors, automatic nitrogen interoperability is achieved. When one nitrogen compressor fails, the supply is automatically switched to the other nitrogen compressor to ensure continuous supply.
This improved the reliability and stability of the air separation system, prevented nitrogen supply interruptions, and ensured production continuity.
Smart Images
Figure CN223710065U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to air separation device technical field, concretely is a kind of air separation system nitrogen mutual protection device. BACKGROUND
[0002] In modern industry, air separation system is used to separate air into nitrogen, oxygen and other gases, among which nitrogen is widely used in various production processes as an important industrial gas. Nitrogen compressor in air separation system is one of the key equipment, and its main function is to compress nitrogen from air separation device to the required high pressure state, so as to store and transport. However, there are some deficiencies in the process of nitrogen supply of traditional air separation system.
[0003] Because the operation of nitrogen compressor depends on mechanical parts, it may fail or efficiency decrease in long-term operation, resulting in unstable nitrogen supply. If the main nitrogen compressor fails or stops, it may cause nitrogen supply interruption, affecting the normal operation of the whole production system. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of air separation system nitrogen mutual protection device to solve the problems raised in the above background technology.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of air separation system nitrogen mutual protection device, including outer box, first pipeline is installed at the inside one side top end of outer box and penetrates, one end of first pipeline is equipped with first electromagnetic valve, one end of first electromagnetic valve is equipped with second pipeline, one end of second pipeline is equipped with first pressure monitoring meter, the inside one side bottom end of outer box is installed and penetrates fourth pipeline, one end of fourth pipeline is equipped with second electromagnetic valve, one end of second electromagnetic valve is equipped with fifth pipeline, one end of fifth pipeline is equipped with second pressure monitoring meter, and the other side middle of the inside of outer box is equipped with reversing valve, reversing valve side is connected with seventh pipeline, one end of seventh pipeline is connected with eleventh flange.
[0006] When the nitrogen compressor connected with the first pipeline has problems, the nitrogen pressure supplied by the nitrogen compressor will be insufficient, at this time the first pressure monitoring meter will monitor, and then the signal is transmitted to the control panel, the control panel controls the first electromagnetic valve to close and changes the passage of the reversing valve, closes the passage between the third pipeline and the seventh pipeline, opens the passage between the sixth pipeline and the seventh pipeline, at this time the control panel will also open the second electromagnetic valve, so that the nitrogen compressor connected with the fourth pipeline can deliver nitrogen to the inside of the second electromagnetic valve, transmit to the inside of the fifth pipeline through the inside of the second electromagnetic valve, transmit to the inside of the second pressure monitoring meter through the inside of the fifth pipeline, transmit to the inside of the sixth pipeline through the inside of the second pressure monitoring meter, transmit to the inside of the reversing valve through the sixth pipeline again, transmit to the inside of the seventh pipeline through the reversing valve, and finally deliver the nitrogen to the equipment to be used through the seventh pipeline.
[0007] Preferably, the input end of the first electromagnetic valve is connected to one end of the first pipeline through a second flange, and the output end of the first electromagnetic valve is connected to one end of the second pipeline through a third flange. By arranging the first electromagnetic valve, the nitrogen delivered by the first nitrogen compressor through the first pipeline can be switched, achieving the effects of gas release and gas closing.
[0008] Preferably, the input end of the first pressure monitoring meter is connected to the other end of the second pipeline through a fourth flange, the output end of the first pressure monitoring meter is connected to one end of the third pipeline through a fifth flange, and the other end of the third pipeline is connected to the top end of the reversing valve. By arranging the first pressure monitoring meter, the pressure of the nitrogen delivered by the first nitrogen compressor through the first pipeline, the first electromagnetic valve and the second pipeline can be monitored, achieving the effect of monitoring the pressure of the nitrogen. By arranging the reversing valve, the nitrogen delivered by the two nitrogen compressors can be selectively delivered to the inside of the seventh pipeline, achieving the effect of mutual protection.
[0009] Preferably, the input end of the second electromagnetic valve is connected to one end of the fourth pipeline through a seventh flange, and the output end of the second electromagnetic valve is connected to one end of the fifth pipeline through an eighth flange. By arranging the second electromagnetic valve, the nitrogen gas delivered by the second nitrogen compressor through the fourth pipeline can be switched, so that the effects of releasing and closing the gas are achieved.
[0010] Preferably, the input end of the second pressure monitor is connected to the other end of the fifth pipeline through a ninth flange, the output end of the second pressure monitor is connected to one end of the sixth pipeline through a tenth flange, and the other end of the sixth pipeline is connected to the bottom end of the reversing valve. By arranging the second pressure monitor, the pressure of the nitrogen gas delivered by the second nitrogen compressor through the fourth pipeline, the second electromagnetic valve and the fifth pipeline can be monitored, so that the effect of monitoring the pressure of the nitrogen gas is achieved.
[0011] Preferably, the other ends of the first pipeline and the fourth pipeline are respectively connected with a first flange and a sixth flange. The arrangement of the first flange and the sixth flange enables the first pipeline and the fourth pipeline to be connected with the output ends of the two nitrogen compressors, so that the effect of fixed connection is achieved.
[0012] Preferably, the outer front surface of the outer box is provided with a control panel on one side, and a box door is rotatably installed on the other side of the outer front surface of the outer box through a hinge. By arranging the control panel, the utility model is convenient for being controlled and operated by the staff, so that the effect of controlling and operating the utility model is achieved. The installation of the box door enables the staff to open the box door to maintain the device structure in the outer box, so that a maintenance position is provided.
[0013] Preferably, the surface of the box door is provided with a handle on one end, and the handle is provided with a fixed lock on one side. The installation of the handle enables the staff to conveniently open the box door, so that a force point is provided, and the arrangement of the fixed lock enables the box door not to be opened by non-staff.
[0014] Preferably, the outer bottom surface of the outer box is provided with supporting legs on four sides, and the bottom ends of the supporting legs are provided with bottom pads. By the cooperation of the supporting legs and the bottom pads, the utility model can be stably placed and used off the ground, so that the effect of stably placing and using the utility model is achieved.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] 1. The utility model realizes the automatic mutual protection of the nitrogen gas by connecting the output ends of the two nitrogen compressors through the first pipeline and the fourth pipeline, and arranging the electromagnetic valve and the pressure monitor. When one nitrogen compressor fails, the pressure monitor can timely monitor the insufficient nitrogen pressure, and automatically trigger the reversing valve to switch to the other nitrogen compressor, so that the continuity of the nitrogen gas supply is ensured. This design effectively improves the reliability and stability of the air separation system, and avoids the production stagnation caused by the interruption of the nitrogen gas supply. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the schematic diagram of the front view internal structure of the utility model;
[0018] Figure 2 It is the schematic diagram of the front view appearance structure of the utility model;
[0019] Figure 3 It is the schematic diagram of the rear view appearance structure of the utility model;
[0020] Figure 4 It is the schematic diagram of the bottom view appearance structure of the utility model;
[0021] Figure 5 It is the schematic diagram of the top view appearance structure of the utility model.
[0022] In the drawing: 1, first flange plate; 2, first pipeline; 3, second flange plate; 4, first electromagnetic valve; 5, third flange plate; 6, second pipeline; 7, fourth flange plate; 8, first pressure monitoring meter; 9, fifth flange plate; 10, third pipeline; 11, seventh pipeline; 12, eleventh flange plate; 13, reversing valve; 14, sixth pipeline; 15, tenth flange plate; 16, second pressure monitoring meter; 17, ninth flange plate; 18, fifth pipeline; 19, eighth flange plate; 20, second electromagnetic valve; 21, seventh flange plate; 22, fourth pipeline; 23, sixth flange plate; 24, outer box; 25, supporting leg; 26, bottom pad; 27, control panel; 28, hinge; 29, box door; 30, handle; 31, fixed lock. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0024] Embodiment one
[0025] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The utility model provides a kind of nitrogen mutual protection device of air separation system, including outer box 24, first pipeline 2 is installed in the inside one side top end of outer box 24, and one end of first pipeline 2 is equipped with first solenoid valve 4, one end of first solenoid valve 4 is equipped with second pipeline 6, one end of second pipeline 6 is equipped with first pressure monitoring meter 8, fourth pipeline 22 is installed in the inside one side bottom end of outer box 24, one end of fourth pipeline 22 is equipped with second solenoid valve 20, one end of second solenoid valve 20 is equipped with fifth pipeline 18, one end of fifth pipeline 18 is equipped with second pressure monitoring meter 16, and the inside other side middle of outer box 24 is equipped with reversing valve 13, one side of reversing valve 13 is connected with seventh pipeline 11, and one end of seventh pipeline 11 is connected with eleventh flange plate 12.
[0026] Staff need to be connected to the utility model power supply, the operation of the utility model is controlled by control panel 27, and the staff opens nitrogen compressor and sends nitrogen to the inside of first solenoid valve 4 through first pipeline 2, and the nitrogen is transmitted to the inside of second pipeline 6 through first solenoid valve 4, and the nitrogen is transmitted to the inside of first pressure monitoring meter 8 through second pipeline 6, and the nitrogen is transmitted to the inside of third pipeline 10 through the inside of first pressure monitoring meter 8, and the nitrogen is transmitted to the inside of reversing valve 13 through third pipeline 10, and the nitrogen is transmitted to the inside of seventh pipeline 11 through the reversing of reversing valve 13, and finally the nitrogen is transmitted to the equipment to be used through seventh pipeline 11, when the nitrogen compressor connected with first pipeline 2 has a problem, the nitrogen pressure supplied will be insufficient, at this time, first pressure monitoring meter 8 will be monitored, and then the signal is transmitted to control panel 27, control panel 27 controls first solenoid valve 4 to close and changes the passage of reversing valve 13, closes the passage between third pipeline 10 and seventh pipeline 11, opens the passage between sixth pipeline 14 and seventh pipeline 11, at this time, control panel 27 also opens second solenoid valve 20, so that the nitrogen compressor connected with fourth pipeline 22 can transmit nitrogen to the inside of second solenoid valve 20, transmit to the inside of fifth pipeline 18 through the inside of second solenoid valve 20, transmit to the inside of second pressure monitoring meter 16 through the inside of fifth pipeline 18, transmit to the inside of sixth pipeline 14 through the inside of second pressure monitoring meter 16, transmit to the inside of reversing valve 13 through sixth pipeline 14 again, transmit to the inside of seventh pipeline 11 through reversing valve 13, and finally transmit the nitrogen to the equipment to be used through seventh pipeline 11.
[0027] Example two
[0028] As Figure 1 , Figure 2 , Figure 3 , Figure 4 And Figure 5The utility model provides a kind of nitrogen mutual protection device of space division system, compared to embodiment one, the utility model also includes: the input end of first electromagnetic valve 4 is connected to one end of first pipeline 2 by second flange plate 3, the output end of first electromagnetic valve 4 is connected to one end of second pipeline 6 by third flange plate 5, the input end of first pressure monitoring meter 8 is connected to the other end of second pipeline 6 by fourth flange plate 7, the output end of first pressure monitoring meter 8 is connected to one end of third pipeline 10 by fifth flange plate 9, and the other end of third pipeline 10 is connected to the top end of reversing valve 13, the input end of second electromagnetic valve 20 is connected to one end of fourth pipeline 22 by seventh flange plate 21, the output end of second electromagnetic valve 20 is connected to one end of fifth pipeline 18 by eighth flange plate 19, the input end of second pressure monitoring meter 16 is connected to the other end of fifth pipeline 18 by ninth flange plate 17, the output end of second pressure monitoring meter 16 is connected to one end of sixth pipeline 14 by tenth flange plate 15, and the other end of sixth pipeline 14 is connected to the bottom end of reversing valve 13, the other end of first pipeline 2 and fourth pipeline 22 is respectively connected with first flange plate 1 and sixth flange plate 23, the outside front surface one side of outer box 24 is equipped with control panel 27, the outside front surface other side of outer box 24 is rotatably installed with box door 29 by hinge 28, the surface one end of box door 29 is equipped with handle 30, the one side of handle 30 is equipped with fixed lock 31, the outside bottom surface four sides of outer box 24 is equipped with support leg 25, the bottom end of support leg 25 is equipped with bottom pad 26.
[0029] In the embodiment, as shown in the drawings, by setting the first electromagnetic valve 4, the nitrogen gas delivered by the first nitrogen compressor through the first pipeline 2 can be switched, achieving the effect of releasing and closing the gas; Figure 1
[0030] As shown in the drawings, by setting the first pressure monitoring meter 8, the pressure of the nitrogen gas delivered by the first nitrogen compressor through the first pipeline 2, the first electromagnetic valve 4 and the second pipeline 6 can be monitored, achieving the effect of monitoring the pressure of the nitrogen gas, and by setting the reversing valve 13, the nitrogen gas delivered by the two nitrogen compressors can be selectively delivered to the inside of the seventh pipeline 11, achieving the effect of mutual protection. Figure 1
[0031] As shown in the drawings, by setting the second electromagnetic valve 20, the nitrogen gas delivered by the second nitrogen compressor through the fourth pipeline 22 can be switched, achieving the effect of releasing and closing the gas; Figure 1 As shown in the drawings, by setting the second pressure monitoring meter 16, the pressure of the nitrogen gas delivered by the second nitrogen compressor through the fourth pipeline 22, the second electromagnetic valve 20 and the fifth pipeline 18 can be monitored, achieving the effect of monitoring the pressure of the nitrogen gas.
[0032] Figure 1 As shown in the drawings, by setting the second pressure monitoring meter 16, the pressure of the nitrogen gas delivered by the second nitrogen compressor through the fourth pipeline 22, the second electromagnetic valve 20 and the fifth pipeline 18 can be monitored, achieving the effect of monitoring the pressure of the nitrogen gas.
[0033] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 indicated, the first flange plate 1 and the sixth flange plate 23 are arranged so that the first pipeline 2 and the fourth pipeline 22 can be connected with the output ends of the two nitrogen compressors, achieving the effect of fixed connection;
[0034] As Figure 2 , Figure 3 , Figure 4 and Figure 5 indicated, by arranging the control panel 27, the utility model is convenient for being controlled and operated by the staff, achieving the effect of controlling and operating the utility model, and the installation of the box door 29 enables the staff to open the device structure in the external box 24 to carry out maintenance, providing a maintenance position;
[0035] As Figure 2 , Figure 3 , Figure 4 and Figure 5 indicated, the installation of the handle 30 enables the staff to conveniently open the box door 29, providing a force point, and the arrangement of the fixed lock 31 enables the box door 29 not to be opened by non-staff;
[0036] As Figure 1 , Figure 2 , Figure 3 and Figure 4 indicated, by the cooperation of the supporting leg 25 and the bottom pad 26, the utility model can be stably placed and used off the ground, achieving the effect of stably placing and using the utility model.
[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A nitrogen interlock device for an air separation system, comprising an outer casing (24), characterized in that: A first pipe (2) is installed through the top of one side of the inner side of the outer casing (24). A first solenoid valve (4) is provided at one end of the first pipe (2). A second pipe (6) is provided at one end of the first solenoid valve (4). A first pressure gauge (8) is provided at one end of the second pipe (6). A fourth pipe (22) is installed through the bottom of one side of the inner side of the outer casing (24). A second solenoid valve (20) is provided at one end of the fourth pipe (22). A fifth pipe (18) is provided at one end of the second solenoid valve (20). A second pressure gauge (16) is provided at one end of the fifth pipe (18). A reversing valve (13) is provided in the middle of the other side of the inner side of the outer casing (24). A seventh pipe (11) is connected to one side of the reversing valve (13). An eleventh flange (12) is connected to one end of the seventh pipe (11).
2. The nitrogen interlock device for an air separation system according to claim 1, characterized in that: The input end of the first solenoid valve (4) is connected to one end of the first pipe (2) through the second flange (3), and the output end of the first solenoid valve (4) is connected to one end of the second pipe (6) through the third flange (5).
3. The nitrogen interlock device for an air separation system according to claim 1, characterized in that: The input end of the first pressure gauge (8) is connected to the other end of the second pipe (6) through the fourth flange (7), and the output end of the first pressure gauge (8) is connected to one end of the third pipe (10) through the fifth flange (9), and the other end of the third pipe (10) is connected to the top of the reversing valve (13).
4. The nitrogen interlock device for an air separation system according to claim 1, characterized in that: The input end of the second solenoid valve (20) is connected to one end of the fourth pipe (22) through the seventh flange (21), and the output end of the second solenoid valve (20) is connected to one end of the fifth pipe (18) through the eighth flange (19).
5. The nitrogen interlock device for an air separation system according to claim 1, characterized in that: The input end of the second pressure gauge (16) is connected to the other end of the fifth pipe (18) through the ninth flange (17), and the output end of the second pressure gauge (16) is connected to one end of the sixth pipe (14) through the tenth flange (15), and the other end of the sixth pipe (14) is connected to the bottom end of the reversing valve (13).
6. The nitrogen interlock device for an air separation system according to claim 1, characterized in that: The other ends of the first pipe (2) and the fourth pipe (22) are respectively connected to the first flange (1) and the sixth flange (23).
7. A nitrogen interlock device for an air separation system according to claim 1, characterized in that: A control panel (27) is provided on one side of the outer front surface of the outer casing (24), and a door (29) is installed on the other side of the outer front surface of the outer casing (24) by means of a hinge (28).
8. A nitrogen interlock device for an air separation system according to claim 7, characterized in that: The box door (29) has a handle (30) on one end of its surface, and a lock (31) is provided on one side of the handle (30).
9. A nitrogen interlock device for an air separation system according to claim 1, characterized in that: The outer bottom surface of the outer box (24) is provided with four support feet (25), and the bottom end of the support feet (25) is provided with a bottom pad (26).