CN218598841U

CN218598841U - Ammonia unloading valve emergency shut-off device of ammonia tank truck

Info

Publication number: CN218598841U
Application number: CN202223207753.9U
Authority: CN
Inventors: 易昊天; 黄园; 余雄
Original assignee: Huaneng Jingmen Thermal Power Co Ltd
Current assignee: Huaneng Jingmen Thermal Power Co Ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-03-10
Anticipated expiration: 2032-12-01

Abstract

The utility model provides an ammonia unloading valve emergency shut-off device for an ammonia tank truck, which relates to the technical field of ammonia unloading of ammonia tank trucks and comprises a valve body, a telescopic cylinder, an intelligent electric control mechanism and a valve cover, wherein the upper end of the valve body is provided with the valve cover, the upper end of the valve cover is provided with the intelligent electric control mechanism, the telescopic cylinder is arranged in the lower part of the intelligent electric control mechanism, the middle part of the intelligent electric control mechanism is provided with an upper fixing sleeve, the lower end of the upper fixing sleeve is provided with a lower fixing sleeve, and the upper fixing sleeve and the lower fixing sleeve are sleeved outside the telescopic cylinder; the left end of the valve body is provided with an air inlet pipe orifice, an air inlet channel is arranged on the left portion in the valve body, and the air inlet pipe orifice is communicated with the air inlet channel. The utility model discloses can control the medium runner and carry out enclosed constant temperature safety heating in the valve body, and sealed heat preservation, avoid runner and valve to receive the freezing influence of low temperature in the valve body, conveniently in time close the use, safer practical.

Description

Ammonia unloading valve emergency shut-off device of ammonia tank truck

Technical Field

The utility model relates to an ammonia tank car unloads ammonia technical field, concretely relates to ammonia tank car unloads ammonia valve emergency shut-off device.

Background

At present, in production activities such as synthetic liquid ammonia, an emergency cut-off valve is a general device for ensuring operation safety such as liquid ammonia transportation, but in actual use, the liquid ammonia liquefaction temperature is low, and water vapor can be condensed into ice in an environment with high external humidity, so that a valve core is frozen and cannot normally act.

The emergency cut-off valve in the contrast document CN210106707U liquid ammonia emergency cut-off valve body structure, but the emergency cut-off valve in the contrast document sets up the rubber ring heater strip at the valve edge, and the heating heat preservation scope only limits to the valve port, and the passageway near the valve port still can constantly be frozen, still can stretch the valve port position, need heat not short time just can normal use to convenient and practical.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the emergency shut-off device for the ammonia unloading valve of the ammonia tank truck is provided so as to solve the problems that the emergency shut-off valve in a comparison document is provided with a rubber ring heating wire at the edge of the valve, the heating and heat preservation range is only limited to the valve port, a channel near the valve port can still be continuously frozen, the position of the valve port can still be stretched, the normal use can be realized only within short time after heating, and the emergency shut-off device is not convenient and practical.

The utility model provides an ammonia tank car unloads ammonia valve emergency shutdown device, includes valve body (1), telescopic cylinder (2), intelligent electric control mechanism (3) and valve gap (4), be equipped with valve gap (4) on valve body (1), and be equipped with intelligent electric control mechanism (3) on valve gap (4), be equipped with telescopic cylinder (2) under intelligent electric control mechanism (3), be equipped with fixed cover (30) in intelligent electric control mechanism (3), and go up fixed cover (30) and be equipped with down fixed cover (31) to it is located with lower fixed cover (31) to go up fixed cover (30) outside telescopic cylinder (2).

The emergency shut-off device for the ammonia unloading valve of the ammonia tank truck is characterized in that the valve body (1) is provided with an air inlet pipe orifice (10), an air inlet channel (15) is arranged in the valve body (1), and the air inlet pipe orifice (10) is communicated with the air inlet channel (15); the valve body (1) is provided with an air outlet pipe orifice (11), an air outlet channel (19) is arranged in the air outlet pipe orifice (11), and the air outlet pipe orifice (11) is communicated with the air outlet channel (19); a valve port (18) is arranged between the air inlet channel (15) and the air outlet channel (19), a lower sealing block (17) is arranged outside the valve port (18), an embedded opening (16) is arranged outside the lower sealing block (17), meanwhile, a pressing plate (20) is embedded in the embedded opening (16), and the valve core (21) is positioned in the valve port (18).

According to the emergency shutdown device for the ammonia unloading valve of the ammonia tank truck, the inner side of the valve body (1) is provided with the heat insulation layer (12), the heat insulation layer (12) is made of high-density sponge materials, the sealing layer (13) is arranged in the heat insulation layer (12), and the sealing layer (13) is connected with a plurality of groups of constant-temperature heat conduction blocks (14); the intelligent electric control mechanism (3) is provided with a display screen (32), the display screen (32) is electrically connected with the control panel (33), and the intelligent electric control mechanism (3) is electrically connected with the remote wireless data transmission module (34); valve gap (4) are equipped with well sealing washer (41), and well sealing washer (41) be equipped with upper seal ring (42) to the lower extreme of well sealing washer (41) is equipped with lower sealing washer (40), and lower sealing washer (40), well sealing washer (41) and upper seal ring (42) overlap in proper order and put outside telescopic cylinder (2).

Advantageous effects

1. The utility model discloses but flow medium between inlet channel and the air outlet channel in the well valve body to inlet channel and air outlet channel are located the valve body, but make constant temperature heat conduction piece constant temperature keep at the degree centigrade in the valve body, thereby can carry out constant temperature heat preservation to inlet channel and air outlet channel, and the setting of heat preservation and sealing layer is handled for sealed heat preservation simultaneously, avoids inside to receive the low temperature influence.

2. The utility model discloses well telescopic cylinder is in the activity of ascending and descending of vertical direction, and the clamp plate blocks up in the valve port when the emergency shutdown conveniently, and the case gomphosis closes fast tightly outside inlaying the mouth to it is also convenient quick to open.

3. The utility model discloses the setting of lower seal circle, well sealing washer and last sealing washer in the total valve gap is in order to surround sealedly to telescopic cylinder to avoid taking place the medium and reveal, use safe and reliable more.

The utility model discloses can effectively solve the quick action emergency valve among the contrast file and set up the rubber ring heater strip at the valve edge, the heating heat preservation scope only limits in the valve port, and near the passageway of valve port still can constantly be frozen, still can stretch the valve port position, need the not short time of heating just can normal use to the problem of not convenient and practical, the utility model discloses can to control the medium runner and carry out surrounding type constant temperature safe heating in the valve body, and sealed heat preservation, avoid the valve body inner channel and valve to receive low temperature freezing influence, conveniently in time close the use, safer practical.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention;

fig. 2 is a left side view of the embodiment of the present invention;

FIG. 3 is a schematic view of the emergency shut-off of the internal valve of the ammonia discharge valve according to the embodiment of the present invention;

fig. 4 is a schematic view of the opening of the internal valve of the ammonia discharging valve in the embodiment of the present invention.

In the figure: 1. a valve body; 10. an air inlet pipe orifice; 11. an air outlet pipe orifice; 12. a heat-insulating layer; 13. a sealing layer; 14. a constant temperature heat conduction block; 15. an air intake passage; 16. embedding a port; 17. a lower seal block; 18. a valve port; 19. an air outlet channel; 2. a telescopic cylinder; 20. pressing a plate; 21. a valve core; 3. an intelligent electric control mechanism; 30. fixing a sleeve; 31. a lower fixing sleeve; 32. a display screen; 33. a control panel; 34. a long-distance wireless data transmission module; 4. a valve cover; 40. a lower seal ring; 41. a middle sealing ring; 42. and an upper sealing ring.

Detailed Description

Referring to fig. 1 to 4, the utility model provides an ammonia tank car unloads ammonia valve emergency shutoff device, including valve body 1, telescopic cylinder 2, intelligent electric control mechanism 3 and valve gap 4, the upper end of valve body 1 is provided with valve gap 4, and the upper end of valve gap 4 is provided with intelligent electric control mechanism 3, install telescopic cylinder 2 in intelligent electric control mechanism 3's the lower part, and telescopic cylinder 2 is in the flexible activity of vertical direction, the middle part of intelligent electric control mechanism 3 is provided with fixed cover 30, and the lower extreme of going up fixed cover 30 is provided with down fixed cover 31, and go up fixed cover 30 and fix the cover 31 cover down and put outside telescopic cylinder 2.

In the embodiment, the left end of the valve body 1 is provided with an air inlet pipe orifice 10, the left part in the valve body 1 is provided with an air inlet channel 15, and the air inlet pipe orifice 10 is communicated with the air inlet channel 15; the right end of the valve body 1 is provided with an air outlet pipe orifice 11, an air outlet channel 19 is arranged on the right portion in the air outlet pipe orifice 11, and the air outlet pipe orifice 11 and the air outlet channel 19 are communicated with each other.

As an embodiment of preferred, the utility model discloses but medium circulation between inlet channel 15 and the air outlet channel 19 in the well valve body 1 to inlet channel 15 and air outlet channel 19 are located valve body 1, but make constant temperature heat conduction piece 14 constant temperature keep at 24 degrees centigrade in the valve body 1, thereby can carry out constant temperature to inlet channel 15 and air outlet channel 19 and keep warm, and the setting of heat preservation 12 and sealing layer 13 is handled for sealed heat preservation simultaneously, avoids inside to receive low temperature to influence.

In the present embodiment, a valve port 18 is provided between the inlet channel 15 and the outlet channel 19, a lower sealing block 17 is provided on the periphery of the valve port 18, an insert 16 is provided on the outer side of the lower sealing block 17, a pressing plate 20 is fitted in the insert 16, and a valve element 21 is blocked in the valve port 18.

As a preferred embodiment, the telescopic cylinder 2 of the present invention is raised and lowered in the vertical direction, so that the pressing plate 20 is conveniently blocked in the valve port 18 during emergency closing, and the valve core 21 is embedded outside the insert port 16, so as to close and close quickly, and open conveniently and quickly.

In the embodiment, an insulating layer 12 is arranged on the inner side wall of the valve body 1, the insulating layer 12 is made of high-density sponge, a sealing layer 13 is arranged on the inner side of the insulating layer 12, and a plurality of groups of constant-temperature heat-conducting blocks 14 are arranged on the inner side of the sealing layer 13; the middle part in the valve cover 4 is provided with a middle sealing ring 41, the upper end of the middle sealing ring 41 is provided with an upper sealing ring 42, the lower end of the middle sealing ring 41 is provided with a lower sealing ring 40, meanwhile, the lower sealing ring 40, the middle sealing ring 41 and the upper sealing ring 42 are all made of artificial synthetic rubber, and the lower sealing ring 40, the middle sealing ring 41 and the upper sealing ring 42 are sequentially sleeved outside the telescopic cylinder 2.

As a preferred embodiment, the utility model discloses the setting of lower sealing washer 40, well sealing washer 41 and upper seal ring 42 is in order to surround to telescopic cylinder 2 and seal in total valve gap 4 to avoid taking place the medium and reveal, use more safe and reliable.

Claims

1. The utility model provides an ammonia tank car unloads ammonia valve emergency shutdown device, includes valve body (1), telescopic cylinder (2), intelligent electric control mechanism (3) and valve gap (4), its characterized in that: be equipped with valve gap (4) on valve body (1), and be equipped with intelligent electric control mechanism (3) on valve gap (4), flexible cylinder (2) are equipped with down in intelligent electric control mechanism (3), be equipped with fixed cover (30) in intelligent electric control mechanism (3), and go up fixed cover (30) and be equipped with down fixed cover (31) to go up fixed cover (30) and be located down outside flexible cylinder (2).

2. The ammonia unloading valve emergency shut-off device of the ammonia tank truck as claimed in claim 1, wherein the valve body (1) is provided with an air inlet pipe orifice (10), an air inlet passage (15) is arranged in the valve body (1), and the air inlet pipe orifice (10) is communicated with the air inlet passage (15); the valve body (1) is provided with an air outlet pipe orifice (11), an air outlet channel (19) is arranged in the air outlet pipe orifice (11), and the air outlet pipe orifice (11) is communicated with the air outlet channel (19); a valve port (18) is arranged between the air inlet channel (15) and the air outlet channel (19), a lower sealing block (17) is arranged outside the valve port (18), an embedded opening (16) is arranged outside the lower sealing block (17), meanwhile, a pressing plate (20) is embedded in the embedded opening (16), and the valve core (21) is positioned in the valve port (18).

3. The ammonia unloading valve emergency shut-off device of the ammonia tank truck as claimed in claim 2, wherein the valve body (1) is provided with an insulating layer (12) on the inner side, the insulating layer (12) is made of high-density sponge, a sealing layer (13) is arranged in the insulating layer (12), and the sealing layer (13) is connected with a plurality of groups of constant-temperature heat-conducting blocks (14); the intelligent electric control mechanism (3) is provided with a display screen (32), the display screen (32) is electrically connected with the control panel (33), and the intelligent electric control mechanism (3) is electrically connected with the remote wireless data transmission module (34); valve gap (4) are equipped with well sealing washer (41), and well sealing washer (41) be equipped with upper seal ring (42) to the lower extreme of well sealing washer (41) is equipped with lower sealing washer (40), and lower sealing washer (40), well sealing washer (41) and upper seal ring (42) overlap in proper order and put outside telescopic cylinder (2).