Anti-freezing and anti-blocking device for air separation main cooling liquid level meter

Abstract

The utility model relates to the technical field of freezing and blocking prevention of liquid level meters, and discloses an air separation main cooling liquid level meter freezing and blocking prevention device which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is located on the outer side of the main body mechanism, and the main body mechanism comprises an equipment body, a liquid level meter lower connector, an inner ring thread, a butt joint pipe and an outer ring thread. And the liquid level meter lower interface is fixedly mounted at the lower end of the equipment main body. According to the anti-freezing and anti-blocking device for the air separation main cooling liquid level meter, through the use of the main body mechanism, inner ring threads on the inner side of a lower connector of the liquid level meter are in threaded connection with outer ring threads on the outer side of a butt-joint pipe when the anti-freezing and anti-blocking device is used, the butt-joint pipe is fixed to the inner side of the lower connector of the liquid level meter, and a storage tank is fixedly installed at the lower end of the butt-joint pipe; the servo gear motor is stored in the storage tank, the servo gear motor is fixed through the fixing base, the servo gear motor operates to drive the transmission shaft to rotate and drive the movable fan at the upper end to rotate, and after the pipeline is blocked, the movable fan rotates to conduct air source blowback unblocking.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-freezing and blocking of liquid level gauges, in particular to an anti-freezing and blocking device for a main cooling liquid level gauge of an air separation. Background Art

[0002] During the operation of air separation equipment, the blockage of the main cooling level gauge is a common problem. This is mainly due to two main reasons: when the equipment is initially started, humid air enters the distillation tower. If the purge process fails to completely remove it, water vapor or carbon dioxide may condense and cause ice blockage; in addition, factors such as the purge time and pressure during startup may also cause mechanical impurities to block.

[0003] The existing air separation main cooling liquid level gauge anti-freezing and blocking device cannot solve the problem in a timely and effective manner. When the commonly used pipeline is blocked, it is necessary to switch to the backup pipeline. If both lines are blocked, the vehicle can only be stopped for reheating, which has many defects. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The utility model aims to provide an anti-freezing and blocking device for the main cooling liquid level gauge of an air separation system, so as to solve the problem that the prior art cannot solve the problem timely and effectively in the above-mentioned background technology. When the commonly used pipeline is blocked, it is necessary to switch to the spare pipeline. If both pipelines are blocked, the system can only be stopped for reheating treatment, which has many defects.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air separation main cooling liquid level gauge anti-freezing and blocking device, comprising a main mechanism and an auxiliary mechanism, wherein the auxiliary mechanism is located on the outside of the main mechanism, and the main mechanism comprises an equipment body, a liquid level gauge lower interface, an inner circle thread, a butt pipe and an outer circle thread, wherein the liquid level gauge lower interface is fixedly installed at the lower end of the equipment body, the inner circle thread is evenly distributed on the inner side of the liquid level gauge lower interface, the butt pipe is movably installed below the inner side of the liquid level gauge lower interface, the outer circle thread is evenly distributed on the outer end of the butt pipe, and the outer circle thread is threadedly connected to the inner side of the inner circle thread.

[0008] Preferably, the main body structure also includes a storage tank, a filter ventilation grille and a fixed base, the storage tank is fixedly mounted on the lower end of the docking tube, the filter ventilation grille is evenly distributed on the outer end of the storage tank, and the fixed base is fixedly mounted on the bottom of the inner side of the storage tank.

[0009] Preferably, the main body structure also includes a servo reduction motor, a transmission shaft and a movable fan, the servo reduction motor is fixedly mounted on the upper end of the fixed base, the transmission shaft is movably mounted on the transmission end of the upper end of the servo reduction motor, and the movable fan is movably mounted on the upper end of the transmission shaft.

[0010] Preferably, the auxiliary mechanism includes an observation window, a connecting pipe, a fixed pipeline, an upper interface of the liquid level gauge, a cleaning window, a high-pressure storage device, a back-blowing gas source valve and a sensor, the observation window is fixedly arranged in the middle of the outer end of the equipment body, and the connecting pipe is fixedly installed at the left end of the lower interface of the liquid level gauge.

[0011] Preferably, the fixed pipe is fixedly installed on the upper end of the equipment body, the upper interface of the liquid level meter is fixedly installed on the upper end of the fixed pipe, and the cleaning window is movably installed at the lower right side of the lower end of the equipment body.

[0012] Preferably, the high-pressure storage device is fixedly mounted on the upper end of the inner side of the lower interface of the liquid level gauge, the back-blowing air source valve is movably arranged above the high-pressure storage device, the sensor is fixedly arranged on the bottom of the inner side of the equipment body, the sensor is located at the upper end of the back-blowing air source valve, and the sensor is fixedly arranged in two groups on the left and right sides of the inner side of the bottom of the equipment body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The anti-freezing and blocking device of the main cooling liquid level gauge of the air separation is used to make the inner circle thread inside the lower interface of the liquid level gauge and the outer circle thread outside the butt pipe be threadedly connected through the use of the main body mechanism, and the butt pipe is fixed to the inner side of the lower interface of the liquid level gauge, and is fixedly installed at the lower end of the butt pipe through a storage tank, in which a servo reduction motor is stored, and the servo reduction motor is fixed through a fixed base, and the operation of the servo reduction motor drives the transmission shaft to rotate, so that the movable fan at the upper end rotates, and when the pipeline is blocked, the air source is back-blown and unblocked through the rotation of the movable fan;

[0015] 2. The anti-freezing and blocking device of the main cooling liquid level gauge of the air separation system, through the use of auxiliary mechanisms, enables the internal situation of the equipment body to be observed through the observation window when in use, fixes the upper interface of the liquid level gauge through a fixed pipe, collects and continues to pressurize the wind force generated by the servo reduction motor below it driving the active fan to rotate through the high-pressure storage device, and when the sensor senses that mechanical impurities are blocked, a passage is formed through the operation of the back-blowing air source valve, and the continuous wind pressure of the high-pressure storage device below it is released, and the blockage above it is cleared. Foreign objects can be cleaned through the cleaning window, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the explosion details of the lower interface of the utility model liquid level gauge;

[0019] Figure 4 It is a schematic diagram of the cross-sectional details of the storage tank of the utility model.

[0020] In the figure: 1. Main mechanism; 101. Equipment body; 102. Lower interface of liquid level gauge; 103. Inner circle thread; 104. Docking pipe; 105. Outer circle thread; 106. Storage tank; 107. Filter ventilation grille; 108. Fixed base; 109. Servo reduction motor; 110. Drive shaft; 111. Movable fan; 2. Auxiliary mechanism; 201. Observation window; 202. Connecting pipe; 203. Fixed pipeline; 204. Upper interface of liquid level gauge; 205. Cleaning window; 206. High-pressure storage device; 207. Back-blowing air source valve; 208. Sensor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 The utility model provides a technical solution: an anti-freezing and blocking device for an air separation main cooling liquid level gauge, comprising a main mechanism 1 and an auxiliary mechanism 2, the auxiliary mechanism 2 is located on the outside of the main mechanism 1, the main mechanism 1 comprises an equipment body 101, a liquid level gauge lower interface 102, an inner circle thread 103, a butt pipe 104 and an outer circle thread 105, the liquid level gauge lower interface 102 is fixedly installed at the lower end of the equipment body 101, the inner circle thread 103 is evenly distributed on the inner side of the liquid level gauge lower interface 102, the butt pipe 104 is movably installed below the inner side of the liquid level gauge lower interface 102, the outer circle thread 105 is evenly distributed on the outer end of the butt pipe 104, and the outer circle thread 105 is threadedly connected to the inner side of the inner circle thread 103.

[0023] The main body mechanism 1 also includes a storage tank 106, a filter ventilation grille 107 and a fixed base 108. The storage tank 106 is fixedly installed at the lower end of the docking tube 104, the filter ventilation grille 107 is evenly distributed at the outer end of the storage tank 106, and the fixed base 108 is fixedly installed at the bottom of the inner side of the storage tank 106. The main body mechanism 1 also includes a servo reduction motor 109, a transmission shaft 110 and a movable fan 111. The servo reduction motor 109 is fixedly installed at the upper end of the fixed base 108, the transmission shaft 110 is movably installed at the transmission end of the upper end of the servo reduction motor 109, and the movable fan 111 is movably installed at the upper end of the transmission shaft 110.

[0024] The auxiliary mechanism 2 includes an observation window 201, a connecting pipe 202, a fixed pipeline 203, an upper interface 204 of a liquid level gauge, a cleaning window 205, a high-pressure storage device 206, a back-blowing gas source valve 207 and a sensor 208. The observation window 201 is fixedly arranged in the middle of the outer end of the equipment body 101, the connecting pipe 202 is fixedly installed at the left end of the lower interface 102 of the liquid level gauge, the fixed pipeline 203 is fixedly installed at the upper end of the equipment body 101, the upper interface 204 of the liquid level gauge is fixedly installed at the upper end of the fixed pipeline 203, the cleaning window 205 is movably installed at the lower right side of the lower end of the equipment body 101, the high-pressure storage device 206 is fixedly installed at the upper end of the inner side of the lower interface 102 of the liquid level gauge, the back-blowing gas source valve 207 is movably arranged above the high-pressure storage device 206, the sensor 208 is fixedly arranged at the bottom of the inner side of the equipment body 101, the sensor 208 is located at the upper end of the back-blowing gas source valve 207, and the sensor 208 is fixedly arranged in two groups on the left and right sides of the inner bottom of the equipment body 101.

[0025] Working principle: When the air separation main cooling liquid level gauge anti-freezing and blocking device is needed, the inner circle thread 103 on the inner side of the lower interface 102 of the liquid level gauge is threadedly connected with the outer circle thread 105 on the outer side of the butt joint 104, and the butt joint 104 is fixed to the inner side of the lower interface 102 of the liquid level gauge, and is fixedly installed at the lower end of the butt joint 104 through the storage tank 106. The servo reduction motor 109 is stored in the storage tank 106, and the servo reduction motor 109 is ventilated and cooled through the filter ventilation grille 107 on the outer side of the storage tank 106. The servo reduction motor 109 is fixed by the fixed base 108, and the operation of the servo reduction motor 109 drives the transmission shaft 110 to rotate, so that the upper end of the movable The fan 111 rotates, and when the pipeline is blocked, the air source is back-blown to clear the blockage through the rotation of the active fan 111. The internal situation of the equipment body 101 is observed through the observation window 201, and the interface 204 on the liquid level meter is fixed through the fixed pipe 203. The wind force generated by the servo reduction motor 109 below driving the active fan 111 to rotate is collected and continuously pressurized through the high-pressure storage device 206. When the sensor 208 senses that mechanical impurities are blocked, a passage is formed through the operation of the back-blowing air source valve 207, and the continuous wind pressure of the high-pressure storage device 206 below is released to clear the blockage above it. Foreign matter can be cleaned through the cleaning window 205, making it more convenient to use.

[0026] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. An anti-freezing and blocking device for an air separation main cooling liquid level gauge, comprising a main mechanism (1) and an auxiliary mechanism (2), characterized in that: The auxiliary mechanism (2) is located on the outside of the main mechanism (1). The main mechanism (1) includes an equipment body (101), a lower interface of a liquid level gauge (102), an inner circle thread (103), a butt joint (104) and an outer circle thread (105). The lower interface of the liquid level gauge (102) is fixedly installed at the lower end of the equipment body (101). The inner circle thread (103) is evenly distributed on the inner side of the lower interface of the liquid level gauge (102). The butt joint (104) is movably installed below the inner side of the lower interface of the liquid level gauge (102). The outer circle thread (105) is evenly distributed on the outer end of the butt joint (104). The outer circle thread (105) is threadedly connected to the inner side of the inner circle thread (103).

2. The anti-freezing and blocking device for the main cooling liquid level gauge of air separation according to claim 1 is characterized in that: The main body (1) further comprises a storage tank (106), a filter ventilation grille (107) and a fixed base (108); the storage tank (106) is fixedly mounted on the lower end of the docking tube (104); the filter ventilation grille (107) is evenly distributed on the outer end of the storage tank (106); and the fixed base (108) is fixedly mounted on the bottom of the inner side of the storage tank (106).

3. The anti-freezing and blocking device for the main cooling liquid level gauge of air separation according to claim 2 is characterized in that: The main body mechanism (1) further comprises a servo reduction motor (109), a transmission shaft (110) and a movable fan (111); the servo reduction motor (109) is fixedly mounted on the upper end of the fixed base (108); the transmission shaft (110) is movably mounted on the transmission end of the upper end of the servo reduction motor (109); and the movable fan (111) is movably mounted on the upper end of the transmission shaft (110).

4. The anti-freezing and blocking device for the main cooling liquid level gauge of air separation according to claim 3 is characterized in that: The auxiliary mechanism (2) comprises an observation window (201), a connecting pipe (202), a fixed pipeline (203), an upper interface (204) of a liquid level gauge, a cleaning window (205), a high-pressure storage device (206), a back-blowing gas source valve (207) and a sensor (208); the observation window (201) is fixedly arranged in the middle of the outer end of the equipment body (101); and the connecting pipe (202) is fixedly installed at the left end of the lower interface (102) of the liquid level gauge.

5. The anti-freezing and blocking device for the main cooling liquid level gauge of air separation according to claim 4 is characterized in that: The fixed pipe (203) is fixedly mounted on the upper end of the equipment body (101), the upper interface (204) of the liquid level gauge is fixedly mounted on the upper end of the fixed pipe (203), and the cleaning window (205) is movably mounted at the lower right side of the lower end of the equipment body (101).

6. The anti-freezing and blocking device for the main cooling liquid level gauge of air separation according to claim 5 is characterized in that: The high-pressure storage device (206) is fixedly mounted on the upper end of the inner side of the lower interface (102) of the liquid level gauge, the back-blowing gas source valve (207) is movably arranged above the high-pressure storage device (206), the sensor (208) is fixedly arranged on the bottom of the inner side of the device body (101), the sensor (208) is located at the upper end of the back-blowing gas source valve (207), and the sensor (208) is fixedly arranged in two groups on the left and right sides of the inner side bottom of the device body (101).

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