CN110694291B - Pressure reducing device with early warning for distillation tower - Google Patents
Pressure reducing device with early warning for distillation tower Download PDFInfo
- Publication number
- CN110694291B CN110694291B CN201911050179.0A CN201911050179A CN110694291B CN 110694291 B CN110694291 B CN 110694291B CN 201911050179 A CN201911050179 A CN 201911050179A CN 110694291 B CN110694291 B CN 110694291B
- Authority
- CN
- China
- Prior art keywords
- fixed
- side wall
- distillation tower
- gas
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/10—Vacuum distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/001—Processes specially adapted for distillation or rectification of fermented solutions
- B01D3/003—Rectification of spirit
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention relates to the field of distillation towers, in particular to a pressure reducing device with an early warning function for a distillation tower, which comprises a distillation tower body, a pressure reducing structure, an auxiliary structure, an early warning structure, a gas transmission structure, a guide structure, a protective net and a stair; alcohol steam enters into the inside decompression structure and reduces the pressure when the inside atmospheric pressure of distillation column body increases, decompression structure makes gas transmission structure work to distillation column body decompression in-process, it is sealed to make the air duct, make the inside alcohol steam of distillation column body enter into the inside storage of gas holder, make alcohol steam can not follow gas transmission structure outflow after the gas transmission structure blocks up the air duct, further make the inside excessive alcohol steam of distillation column body enter into the inside decompression that carries out of gas holder, prevent that the inside atmospheric pressure of distillation column body from too big the appearance and damaging, excessive alcohol steam begins to promote the protection stopper after entering into the inside of air duct, make protection stopper and fixed block rotate in the inside of gas holder, make the compression spring shrink, make alcohol steam enter into the inside storage of gas holder.
Description
Technical Field
The invention relates to the field of distillation towers, in particular to a pressure reducing device with an early warning function for a distillation tower.
Background
The distillation tower refers to chemical equipment made of rare metal titanium and other materials and alloy materials thereof, the aldehyde removing tower enables alcohol in mature mash to enter the aldehyde removing tower from the top of the crude distillation tower after being subjected to crude distillation, and the aldehyde removing tower enables low-boiling-point and volatile impurities such as aldehyde and ester contained in the crude alcohol to be discharged from an aldehyde discharging pipe through appropriate heating, condensation and reflux in the aldehyde removing tower, the aldehyde removing alcohol enters the liquid phase rectification tower from the bottom of the aldehyde removing tower, and part of alcohol head enters the mash of a post-fermentation tank or the mature mash from a wine head pipe.
However, in the process of removing aldehyde in the operation of the traditional distillation tower, the aldehyde-removed alcohol is discharged in the gasification process, the worker easily opens a valve of an exhaust pipe in time in the operation process to discharge alcohol vapor, so that the internal air pressure of the distillation tower is increased, the distillation tower is damaged in a poor time high-pressure state, the internal equipment of the distillation tower is easily damaged, and the distillation tower is not favorable for removing aldehyde from alcohol.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a pressure reducing device with an early warning function for a distillation tower.
The technical scheme adopted by the invention for solving the technical problems is as follows: a pressure reducing device with an early warning function for a distillation tower comprises a distillation tower body, a pressure reducing structure, an auxiliary structure, an early warning structure, a gas transmission structure, a guide structure, a protective net and stairs; the distillation tower body is connected with and is used for the inside decompression structure that steps down of distillation tower body, decompression structure is connected with and is used for carry out the alarm when distillation tower body internal pressure is too big early warning structure, decompression structure's internal connection has and is used for steam reflux to inside the distillation tower body the gas transmission structure, decompression structure is connected with and is used for guiding steam reflux to inside the distillation tower body the guide structure, the lateral wall of distillation tower body is fixed with and is used for the protection network, the lateral wall of distillation tower body is fixed with and is used for the climbing stair, stair are located the inside of protection network.
Specifically, the decompression structure includes gas holder, air duct, protection stopper, fixed block, compression spring and dog, the distillation column body is fixed with the air duct, the air duct communicate in the inside of distillation column body, the lateral wall of distillation column body is fixed with the gas holder, the gas holder with the air duct intercommunication, the air duct extends to the inside of gas holder, the inside wall of gas holder rotates and is connected with the fixed block, the lateral wall of fixed block is fixed with the cross-section and is archy the protection stopper, the protection stopper with the bottom of air duct is contradicted, the inside of gas holder is fixed with the dog, the dog with fixed connection between the lateral wall of air duct, the top of fixed block with be fixed with between the dog compression spring.
Specifically, the gas transmission structure comprises a fixed sleeve, a support rod, a gas inlet hole, a gas outlet hole, a limiting block and a tension spring, the top end of the stop block is fixed with the fixing sleeve in a round platform structure, the top end of the fixing sleeve is provided with the air outlet hole, the stop block is provided with the air inlet hole and is connected with the supporting rod in a sliding way, the bottom end of the supporting rod is abutted against the top end of the fixed block, the supporting rod penetrates through the air inlet hole, the supporting rod extends to the inside of the fixed sleeve, the top end of the supporting rod is fixed with the limiting block in a round platform structure, the limiting block is positioned in the fixed sleeve, the tension spring is fixed between the limiting block and the stop block, the supporting rod penetrates through the inside of the tension spring, and the diameter of the top end of the limiting block is larger than the inner diameter of the air outlet.
Specifically, the guiding structure comprises a fixing plate, a fixing hole, a guiding plate, a torsion spring, a rotating shaft and a guide rod, the inner side wall of the air duct is rotatably connected with the fixing plate with a racket structure in cross section, the fixing hole is formed in the inner side wall of the air duct and is positioned in the air storage tank, the guide rod with an L-shaped cross section is fixed on the side wall of the fixing plate and extends into the air duct, the rotating shaft is rotatably connected with the inner side wall of the air duct, the guiding plate with a triangular cross section is fixed on the rotating shaft and is abutted against the side wall of the guiding plate, the guiding plate is rotatably connected with the air duct, one end of the torsion spring is fixed on the side wall of the air duct, the other end of the torsion spring is fixed on the side wall of the guiding plate, and the rotating shaft penetrates through the inside of the torsion spring, the fixing hole is located at one end, deviating from the guide plate, of the fixing plate.
Specifically, the early warning structure comprises a fixed shell, an air inlet pipe, a fixed rod, shaft seats, rotating rods, elastic rubber plates and warning bells, wherein the fixed rod is fixed on the side wall of the air guide pipe, the fixed shell is fixed on the side wall of the fixed rod, the air guide pipe is communicated with the air inlet pipe in an L-shaped structure, the air inlet pipe is communicated with the inside of the fixed shell, the shaft seats are rotatably connected to the inner side wall of the fixed shell, four rotating rods are fixed on the side wall of each shaft seat, the four rotating rods are symmetrically distributed about the central line of each shaft seat, the elastic rubber plates are symmetrically fixed inside the fixed shell, the position where the air guide pipe is connected with the fixed shell is positioned on one side of one of the elastic rubber plates, the warning bells with conical sections are fixed on the side walls of the two elastic rubber plates, and the two warning bells are symmetrically distributed about the central point of the fixed shell, the length of the rotating rod is greater than the vertical distance between the bottom end of the shaft seat and the top end of the elastic rubber plate.
Concretely, the auxiliary structure includes the blast pipe, leads to net, inlet pipe and valve, the inside of distillation column body evenly is fixed with four lead to the net, the top of distillation column body is fixed with the blast pipe, the blast pipe communicate in the inside of distillation column body, the lateral wall of distillation column body is fixed with four the inlet pipe, the inlet pipe with be 60 degrees contained angles, four between the lateral wall of distillation column body the inlet pipe is located four respectively lead to the top of net, four the inside of inlet pipe all is connected with the valve.
The invention has the beneficial effects that:
(1) the pressure reducing device with the early warning function for the distillation tower has the advantages that when the pressure reducing structure is used for reducing the pressure of the distillation tower body, the early warning structure gives an alarm to give out an alarm sound to remind a worker that the air pressure in the distillation tower body is too high, the exhaust pipe is opened in time to exhaust air, the alcohol steam with excessive size is closed by the pressure reducing structure, the situation that the air pressure is increased when the pressure reducing structure enters a large amount of alcohol steam for a long time is avoided, the pressure reducing structure is protected, when the alcohol steam with increased air pressure in the distillation tower body enters the air guide pipe to reduce the pressure, the alcohol steam enters the fixed shell from the inside of the air inlet pipe, the alcohol steam pushes the rotating rod to rotate in the fixed shell, the rotating rod is abutted against the elastic rubber plate in the rotating process to enable the elastic rubber plate to bend to generate elastic force, and after the rotating rod continuously rotates to be far away from the elastic rubber plate, the alarm is driven to reset to impact the inner side wall of the fixed shell through the elastic rubber plate, the inside wall that makes the set casing produces the impact sound and sends out the police dispatch newspaper, reminds staff's distillation column body inside atmospheric pressure too big, makes the staff can in time discharge the inside alcohol vapor of distillation column body.
(2) The invention relates to a pressure reducing device of a distillation tower with early warning, when the air pressure in the distillation tower body is increased, alcohol vapor enters the pressure reducing structure to reduce the pressure, the pressure reducing structure enables an air conveying structure to work in the pressure reducing process of the distillation tower body to seal an air duct, so that the alcohol vapor in the distillation tower body enters the air storage tank to be stored, the air conveying structure blocks the air duct to prevent the alcohol vapor from flowing out of the air conveying structure, further, the excessive alcohol vapor in the distillation tower body enters the air storage tank to reduce the pressure, the damage caused by the excessive air pressure in the distillation tower body is prevented, the excessive alcohol vapor enters the air duct and then starts to push a protective plug, the protective plug and a fixed block rotate in the air storage tank, a pressure spring is contracted to generate elastic force, the protective plug is far away from the bottom end of the air duct after rotating, and then a large amount of alcohol vapor in the distillation tower body enters the air storage tank from the air duct, the inside of the distillation tower body is depressurized, and the damage condition caused by the increase of the air pressure inside the distillation tower body is prevented.
(3) The pressure reducing device with the early warning distillation tower has the advantages that after the pressure of the interior of the distillation tower body is reduced by the aid of the pressure of alcohol steam discharged from the exhaust pipe by workers, the pressure reducing structure stops working and resets to reset the gas conveying structure, the gas inlet hole is communicated with the gas outlet hole, so that gas in the gas storage tank flows from the gas conveying structure to the guide structure, the alcohol steam in the pressure reducing structure is discharged into the distillation tower body through the guide structure to carry out secondary distillation of the alcohol steam, the pressure in the pressure reducing structure is reduced, excessive alcohol steam entering the pressure reducing structure is prevented from being protected, the pressure reducing structure is protected, the pressure reducing structure can be used for reducing the pressure of the distillation tower body again, after the pressure in the distillation tower body is reduced, the protective plug is reset through the elastic force of the pressure spring to block the bottom end of the gas guide pipe, the fixed block is reset after rotating, so that the support rod is reset through the elastic force of the tension spring, the limiting block slides downwards to be far away from the air outlet, the air inlet and the air outlet are communicated, alcohol steam inside the air storage tank flows into the air inlet and then flows to the side wall of the air guide pipe inside the air storage tank from the air outlet, and the alcohol steam inside the air storage tank effectively flows back to the inside of the distillation tower body from the air guide pipe to be distilled again through the matching use of the guiding structure, so that the alcohol aldehyde removing effect is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of the overall structure of a preferred embodiment of a pressure reducing device with a pre-warning distillation tower provided in the present invention;
FIG. 2 is a schematic view showing a connection structure of a distillation column body and a pressure reducing structure shown in FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of the portion B shown in FIG. 2;
FIG. 5 is an enlarged view of the portion C shown in FIG. 4;
fig. 6 is a schematic view showing a connection structure of the distillation column body and the auxiliary structure shown in fig. 2.
In the figure: 1. distillation column body, 2, decompression structure, 21, gas holder, 22, air duct, 23, protective plug, 24, fixed block, 25, compression spring, 26, dog, 3, auxiliary structure, 31, exhaust pipe, 32, net, 33, inlet pipe, 34, valve, 4, early warning structure, 41, fixed shell, 42, inlet pipe, 43, fixed rod, 44, axle bed, 45, rotating rod, 46, elastic rubber plate, 47, alarm bell, 5, gas transmission structure, 51, fixed sleeve, 52, support rod, 53, inlet hole, 54, outlet hole, 55, stopper, 56, tension spring, 6, guide structure, 61, fixed plate, 62, fixed hole, 63, guide plate, 64, torsion spring, 65, rotating shaft, 66, guide rod, 7, protective net, 8, stair.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the pressure reducing device with an early warning for a distillation tower according to the present invention includes a distillation tower body 1, a pressure reducing structure 2, an auxiliary structure 3, an early warning structure 4, a gas transmission structure 5, a guiding structure 6, a protective net 7 and a staircase 8; the distillation tower body 1 is connected with and is used for the inside step-down of distillation tower body 1 decompression structure 2, decompression structure 2 is connected with and is used for carry out the alarm when 1 internal pressure of distillation tower body is too big early warning structure 4, decompression structure 2's internal connection is used for steam reflux to the distillation tower body 1 is inside gas transmission structure 5, decompression structure 2 is connected with and is used for guiding steam reflux to the distillation tower body 1 is inside guide structure 6, the lateral wall of distillation tower body 1 is fixed with and is used for the protection network 7, the lateral wall of distillation tower body 1 is fixed with and is used for the climbing stair 8, stair 8 is located the inside of protection network 7.
Specifically, the pressure reducing structure 2 comprises an air storage tank 21, an air duct 22, a protective plug 23, a fixed block 24, a pressure spring 25 and a stop block 26, the distillation tower body 1 is fixed with the air duct 22, the air duct 22 is communicated with the inside of the distillation tower body 1, the side wall of the distillation tower body 1 is fixed with the air storage tank 21, the air storage tank 21 is communicated with the air guide pipe 22, the air duct 22 extends into the air storage tank 21, the inner side wall of the air storage tank 21 is rotatably connected with the fixed block 24, the side wall of the fixed block 24 is fixed with the protective plug 23 with an arched section, the protective plug 23 is abutted against the bottom end of the air duct 22, the stop block 26 is fixed inside the air storage tank 21, the stop block 26 is fixedly connected with the side wall of the air duct 22, the pressure spring 25 is fixed between the top end of the fixed block 24 and the stop block 26; distillation column body 1 is inside to take aldehyde alcohol to distill when removing aldehyde, shrink distillation column body 1 is inside when the staff fails in time to discharge the alcohol vapor pressure increase after removing the aldehyde, and alcohol vapor gets into begin to promote behind the inside of air duct 22 protection stopper 23 makes protection stopper 23 with fixed block 24 is in the inside of air holder 21 is rotated, makes pressure spring 25 shrink produces elasticity, makes protection stopper 23 rotate the back and keep away from the bottom of air duct 22, at this moment 1 inside a large amount of alcohol vapor of distillation column body is followed the inside entering of air duct 22 the inside of air duct 21 is right the inside of distillation column body 1 steps down, prevents the damage condition appears in the atmospheric pressure increase of distillation column body 1 inside.
Specifically, the gas transmission structure 5 includes a fixing sleeve 51, a supporting rod 52, a gas inlet 53, a gas outlet 54, a limiting block 55 and a tension spring 56, the fixing sleeve 51 in a circular truncated cone structure is fixed on the top end of the stopper 26, the gas outlet 54 is formed on the top end of the fixing sleeve 51, the gas inlet 53 is formed on the stopper 26, the supporting rod 52 is slidably connected to the stopper 26, the bottom end of the supporting rod 52 abuts against the top end of the fixing block 24, the supporting rod 52 penetrates through the gas inlet 53, the supporting rod 52 extends into the fixing sleeve 51, the limiting block 55 in a circular truncated cone structure is fixed on the top end of the supporting rod 52, the limiting block 55 is located inside the fixing sleeve 51, the tension spring 56 is fixed between the limiting block 55 and the stopper 26, and the supporting rod 52 penetrates through the tension spring 56, the diameter of the top end of the limiting block 55 is larger than the inner diameter of the air outlet 54; when the fixed block 24 rotates and the protection plug 23 is far away from the bottom end of the air duct 22, the fixed block 24 pushes the support rod 52 upwards, so that the tension spring 56 extends to generate elastic force, the limiting block 55 slides upwards to be abutted against the top end of the inner part of the fixed sleeve 51, the air outlet 54 is blocked, so that the alcohol vapor entering the air storage tank 21 cannot enter the air storage tank 21 at the top end of the stop block 26 from the air outlet 54, the alcohol vapor is prevented from flowing back to the inside of the distillation tower body 1 in the decompression process of the air duct 2, after the alcohol vapor in the distillation tower body 1 is discharged through the operation of a worker, the air pressure in the distillation tower body 1 is reduced, the protection plug 23 resets and blocks the bottom end of the air duct 22 through the elastic force of the pressure spring 25, and the fixed block 24 resets after rotating, the support rod 52 is reset to slide downwards by the elastic force of the tension spring 56, the limit block 55 slides downwards to be away from the air outlet 54, the air inlet 53 is communicated with the air outlet 54, and the alcohol vapor in the air storage tank 21 flows into the air inlet 53 and then flows to the side wall of the air guide pipe 22 in the air storage tank 21 from the air outlet 54.
Specifically, the guiding structure 6 includes a fixing plate 61, a fixing hole 62, a guiding plate 63, a torsion spring 64, a rotating shaft 65 and a guide rod 66, the inner side wall of the air duct 22 is rotatably connected with the fixing plate 61 with a cross section in a racket structure, the inner side wall of the air duct 22 is provided with the fixing hole 62, the fixing hole 62 is located inside the air storage tank 21, the guide rod 66 with an L-shaped cross section is fixed on the side wall of the fixing plate 61, the guide rod 66 extends into the air duct 22, the inner side wall of the air duct 22 is rotatably connected with the rotating shaft 65, the rotating shaft 65 is fixed with the guiding plate 63 with a triangular cross section, the guide rod 66 is abutted against the side wall of the guiding plate 63, the guiding plate 63 is rotatably connected with the air duct 22, and one end of the torsion spring 64 is fixed on the side wall of the air duct 22, the other end of the torsion spring 64 is fixed to the side wall of the guide plate 63, the rotating shaft 65 penetrates through the torsion spring 64, and the fixing hole 62 is located at one end of the fixing plate 61, which is away from the guide plate 63; after the alcohol vapor in the gas storage tank 21 flows from the gas inlet 53 and the gas outlet 54 to the side wall of the gas guide tube 22 located in the gas storage tank 21, the alcohol vapor pushes the fixing plate 61 to rotate, so that the bottom end of the fixing plate 61 enters the inner side wall of the gas guide tube 22, at this time, the alcohol vapor enters the gas guide tube 22 from the fixing hole 62, after the fixing plate 61 rotates, the guide rod 66 rotates away from the guide plate 63, the guide plate 63 rotates away from the inner side wall of the gas guide tube 22 through the elastic force of the torsion spring 64, so that the guide plate 63 inclines upwards towards the top end of the gas guide tube 22, the alcohol vapor flowing from the fixing hole 62 collides with the guide plate 63, and after being guided by the guide plate 63, the alcohol vapor flows to the top end of the gas guide tube 22, so that the alcohol vapor in the gas storage tank 21 effectively flows into the distillation tower body 1 from the gas guide tube 22 The inside of the alcohol is distilled again, so that the effect of removing aldehyde by alcohol is improved.
Specifically, the early warning structure 4 includes a fixed casing 41, an air inlet pipe 42, a fixed rod 43, a shaft seat 44, a rotating rod 45, elastic rubber plates 46 and an alarm bell 47, the fixed rod 43 is fixed to a side wall of the air duct 22, the fixed casing 41 is fixed to a side wall of the fixed rod 43, the air duct 22 is communicated with the air inlet pipe 42 in an L-shaped structure, the air inlet pipe 42 is communicated with the inside of the fixed casing 41, the shaft seat 44 is rotatably connected to an inner side wall of the fixed casing 41, the four rotating rods 45 are fixed to a side wall of the shaft seat 44, the four rotating rods 45 are symmetrically distributed about a center line of the shaft seat 44, the elastic rubber plates 46 are symmetrically fixed to the inside of the fixed casing 41, a position where the air duct 22 is connected to the fixed casing 41 is located on one side of one of the elastic rubber plates 46, the alarm bell 47 with a tapered cross section is fixed to side walls of the two elastic rubber plates 46, the two alarm bells 47 are symmetrically distributed about the central point of the fixed shell 41, and the length of the rotating rod 45 is greater than the vertical distance between the bottom end of the shaft seat 44 and the top end of the elastic rubber plate 46; inside atmospheric pressure increase alcohol steam of distillation column body 1 enters into when the inside decompression that carries out of air duct 22, alcohol steam is followed the inside entering into of intake pipe 22 the inside of set casing 41, alcohol steam promotes bull stick 45 makes bull stick 45 is in the inside rotation of set casing 41, bull stick 45 rotate the in-process with elasticity rubber slab 46 conflicts and makes the crooked elasticity that produces of elasticity rubber slab 46, bull stick 45 continues to rotate and keeps away from behind the elasticity rubber slab 45, through elasticity rubber slab 46's elasticity drives alarm bell 47 striking that resets the inside wall of set casing 41 makes the inside wall of set casing 41 produces the impact sound and sends out the police dispatch newspaper, reminds the staff the inside atmospheric pressure of distillation column body 1 is too big, the staff can in time with the inside alcohol steam of distillation column body 1 discharges.
Specifically, the auxiliary structure 3 includes an exhaust pipe 31, a through network 32, feed pipes 33 and valves 34, four through networks 32 are uniformly fixed inside the distillation tower body 1, the exhaust pipe 31 is fixed at the top end of the distillation tower body 1, the exhaust pipe 31 is communicated with the inside of the distillation tower body 1, four feed pipes 33 are fixed on the side wall of the distillation tower body 1, an included angle of 60 degrees is formed between each feed pipe 33 and the side wall of the distillation tower body 1, the four feed pipes 33 are respectively located at the top ends of the four through networks 32, and the valves 34 are connected inside the four feed pipes 33; through the exhaust pipe will distill the alcohol vapor discharge after removing the aldehyde and collect, through following inlet pipe 33 is kept away from alcohol and is removed the aldehyde auxiliary material and add to distillation column body 1 inside each layer lead to on the net 32, make alcohol vapor can with remove the sufficient contact of aldehyde auxiliary material, improve removing aldehyde efficiency of alcohol, through closing valve 34 makes inlet pipe 33 is sealed, makes distillation column body 1 inside seal.
When the device is used, firstly, the exhaust pipe is connected with the alcohol storage tank for sealing, the alcohol raw material and the aldehyde-removing auxiliary material are added into the distillation tower body, the distillation tower body is used for distilling to enable the alcohol vapor after aldehyde removal to be timely discharged from the exhaust pipe for alcohol storage, when the aldehyde is removed by distilling with aldehyde alcohol in the distillation tower body 1, the pressure of the alcohol vapor after aldehyde removal is not timely discharged in the distillation tower body 1 is increased, the alcohol vapor enters the air guide pipe 22 and then starts to push the protective plug 23, the protective plug 23 and the fixed block 24 rotate in the air storage tank 21, the pressure spring 25 is contracted to generate elastic force, the protective plug 23 is far away from the bottom end of the air guide pipe 22 after rotating, at the moment, a large amount of alcohol vapor in the distillation tower body 1 enters the air storage tank 21 from the inside of the air guide pipe 22 to reduce the pressure in the distillation tower body 1, prevent the damage condition from occurring due to the increase of the air pressure inside the distillation tower body 1, when the protection plug 23 is far away from the bottom end of the air duct 22 after the fixed block 24 rotates, the fixed block 24 pushes the support rod 52 upwards to extend the tension spring 56 to generate elastic force, the limit block 55 slides upwards to abut against the top end inside the fixed sleeve 51 to block the air outlet 54, so that the alcohol vapor entering into the air storage tank 21 cannot enter into the air storage tank 21 at the top end of the stop block 26 from the air outlet 54, thereby preventing the alcohol vapor from flowing back to the inside of the distillation tower body 1 during the pressure reduction process of the air duct 2, the alcohol vapor enters into the air duct to be decompressed and enters into the inside of the fixed shell 41 from the inside of the air inlet pipe 22, the alcohol vapor pushes the rotating rod 45 to abut against the rotating rod 45 to rotate inside the fixed shell 41, and the rotating rod 45 abuts against the elastic rubber plate 46 to bend the elastic rubber plate 46 during the rotation process, after the rotating rod 45 continues to rotate and is far away from the elastic rubber plate 45, the elastic force of the elastic rubber plate 46 drives the alarm bell 47 to reset and impact the inner side wall of the fixed shell 41, so that the inner side wall of the fixed shell 41 generates impact sound to give an alarm, a worker is reminded that the internal air pressure of the distillation tower body 1 is too high, the worker can discharge the alcohol vapor in the distillation tower body 1 in time, after the alcohol vapor in the distillation tower body 1 is discharged through the operation of the worker, the air pressure in the distillation tower body 1 is reduced, the protective plug 23 resets and blocks the bottom end of the air guide tube 22 through the elastic force of the pressure spring 25, the fixed block 24 resets after rotating, the support rod 52 resets and slides downwards through the elastic force of the tension spring 56, the limit block 55 slides downwards to be far away from the air outlet hole 54, the air inlet hole 53 is communicated with the air outlet hole 54, so that the alcohol vapor in the air storage tank 21 flows to the side wall of the air guide tube 22 in the air storage tank 21 from the air outlet hole 54 after entering the air inlet hole 53, the alcohol steam pushes the fixing plate 61 to rotate, so that the bottom end of the fixing plate 61 enters the inner side wall of the air guide tube 22, at the moment, the alcohol steam enters the air guide tube 22 from the fixing hole 62, after the fixing plate 61 rotates, the guide rod 66 rotates to be far away from the guide plate 63, the guide plate 63 rotates to be far away from the inner side wall of the air guide tube 22 through the elastic force of the torsion spring 64, the guide plate 63 inclines upwards to face the top end of the air guide tube 22, the alcohol steam flowing from the fixing hole 62 collides with the guide plate 63, the alcohol steam flows to the top end of the air guide tube 22 after being guided by the guide plate 63, the alcohol steam in the air storage tank 21 effectively flows into the distillation tower body 1 from the air guide tube 22 to be distilled again, and the alcohol aldehyde removing effect is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides a pressure relief device of distillation column with early warning which characterized in that: comprises a distillation tower body (1), a pressure reduction structure (2), an auxiliary structure (3), an early warning structure (4), a gas transmission structure (5), a guide structure (6), a protective net (7) and a stair (8); the distillation tower body (1) for distillation is connected with the pressure reducing structure (2) for reducing the pressure inside the distillation tower body (1), the decompression structure (2) is connected with the early warning structure (4) for alarming when the internal pressure of the distillation tower body (1) is overlarge, the interior of the decompression structure (2) is connected with the gas transmission structure (5) which is used for refluxing steam to the interior of the distillation tower body (1), the pressure reducing structure (2) is connected with the guide structure (6) used for guiding steam to flow back to the distillation tower body (1), the side wall of the distillation tower body (1) is fixed with the protective net (7), the stairs (8) used for climbing are fixed on the side wall of the distillation tower body (1), and the stairs (8) are positioned inside the protective net (7);
the pressure reducing structure (2) comprises a gas storage tank (21), a gas guide tube (22), a protective plug (23), a fixed block (24), a pressure spring (25) and a stop block (26), the distillation tower body (1) is fixed with the gas guide tube (22), the gas guide tube (22) is communicated with the inside of the distillation tower body (1), the side wall of the distillation tower body (1) is fixed with the gas storage tank (21), the gas storage tank (21) is communicated with the gas guide tube (22), the gas guide tube (22) extends to the inside of the gas storage tank (21), the inner side wall of the gas storage tank (21) is rotatably connected with the fixed block (24), the side wall of the fixed block (24) is fixed with the protective plug (23) with an arched cross section, the protective plug (23) is abutted against the bottom end of the gas guide tube (22), the inside of the gas storage tank (21) is fixed with the stop block (26), the stop block (26) is fixedly connected with the side wall of the air guide pipe (22), and the pressure spring (25) is fixed between the top end of the fixing block (24) and the stop block (26);
the gas transmission structure (5) comprises a fixed sleeve (51), a supporting rod (52), a gas inlet hole (53), a gas outlet hole (54), a limiting block (55) and a tension spring (56), the top end of the stop block (26) is fixed with the fixed sleeve (51) in a circular truncated cone structure, the top end of the fixed sleeve (51) is provided with the gas outlet hole (54), the stop block (26) is provided with the gas inlet hole (53), the stop block (26) is connected with the supporting rod (52) in a sliding manner, the bottom end of the supporting rod (52) is abutted to the top end of the fixed block (24), the supporting rod (52) penetrates through the inside of the gas inlet hole (53), the supporting rod (52) extends to the inside of the fixed sleeve (51), the top end of the supporting rod (52) is fixed with the limiting block (55) in a circular truncated cone structure, and the limiting block (55) is located inside the fixed sleeve (51), the tension spring (56) is fixed between the limiting block (55) and the stop block (26), the supporting rod (52) penetrates through the tension spring (56), and the diameter of the top end of the limiting block (55) is larger than the inner diameter of the air outlet (54);
the guide structure (6) comprises a fixing plate (61), a fixing hole (62), a guide plate (63), a torsion spring (64), a rotating shaft (65) and a guide rod (66), the inner side wall of the air duct (22) is rotatably connected with the fixing plate (61) with a cross section of a racket structure, the fixing hole (62) is formed in the inner side wall of the air duct (22), the fixing hole (62) is located in the air storage tank (21), the guide rod (66) with a cross section of an L shape is fixed on the side wall of the fixing plate (61), the guide rod (66) extends to the inner side wall of the air duct (22), the rotating shaft (65) is rotatably connected with the inner side wall of the air duct (22), the rotating shaft (65) is fixed with the guide plate (63) with a cross section of a triangular structure, and the guide rod (66) is abutted to the side wall of the guide plate (63), the guide plate (63) is rotatably connected with the air guide tube (22), one end of the torsion spring (64) is fixed on the side wall of the air guide tube (22), the other end of the torsion spring (64) is fixed on the side wall of the guide plate (63), the rotating shaft (65) penetrates through the torsion spring (64), and the fixing hole (62) is located at one end, away from the guide plate (63), of the fixing plate (61);
the early warning structure (4) comprises a fixed shell (41), an air inlet pipe (42), a fixed rod (43), a shaft seat (44), a rotating rod (45), an elastic rubber plate (46) and an alarm bell (47), wherein the fixed rod (43) is fixed on the side wall of the air guide pipe (22), the fixed shell (41) is fixed on the side wall of the fixed rod (43), the air guide pipe (22) is communicated with the air inlet pipe (42) which is of an L-shaped structure, the air inlet pipe (42) is communicated with the inside of the fixed shell (41), the shaft seat (44) is rotatably connected to the inner side wall of the fixed shell (41), the four rotating rods (45) are fixed on the side wall of the shaft seat (44), the four rotating rods (45) are symmetrically distributed about the central line of the shaft seat (44), and the elastic rubber plate (46) is symmetrically fixed inside the fixed shell (41), the position where the air duct (22) is connected with the fixed shell (41) is located on one side of one of the elastic rubber plates (46), the side walls of the two elastic rubber plates (46) are respectively fixed with the alarm bells (47) with the conical sections, the two alarm bells (47) are symmetrically distributed around the central point of the fixed shell (41), and the length of the rotating rod (45) is greater than the vertical distance between the bottom end of the shaft seat (44) and the top end of the elastic rubber plate (46);
auxiliary structure (3) include blast pipe (31), lead to net (32), inlet pipe (33) and valve (34), the inside of distillation column body (1) evenly is fixed with four lead to net (32), the top of distillation column body (1) is fixed with blast pipe (31), blast pipe (31) communicate in the inside of distillation column body (1), the lateral wall of distillation column body (1) is fixed with four inlet pipe (33), inlet pipe (33) with be 60 degrees's contained angle, four between the lateral wall of distillation column body (1) inlet pipe (33) are located four respectively lead to the top of net (32), four the inside of inlet pipe (33) all is connected with valve (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911050179.0A CN110694291B (en) | 2019-10-31 | 2019-10-31 | Pressure reducing device with early warning for distillation tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911050179.0A CN110694291B (en) | 2019-10-31 | 2019-10-31 | Pressure reducing device with early warning for distillation tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110694291A CN110694291A (en) | 2020-01-17 |
| CN110694291B true CN110694291B (en) | 2021-09-10 |
Family
ID=69203001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911050179.0A Active CN110694291B (en) | 2019-10-31 | 2019-10-31 | Pressure reducing device with early warning for distillation tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110694291B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111760319B (en) * | 2020-07-22 | 2022-02-11 | 山东赫达股份有限公司 | Energy-saving hydroxypropyl methyl cellulose production is with chemical industry distillation column |
| CN112044111B (en) * | 2020-09-15 | 2021-05-07 | 荆门市和丰科技有限公司 | Multistage chemical industry distillation column |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020111714A1 (en) * | 1997-12-23 | 2002-08-15 | Duncan Guthrie | Centrifugal evaporator |
| WO2015049585A2 (en) * | 2013-10-04 | 2015-04-09 | Natural Extraction Services, Llc | Method and apparatus for extracting botanical oils |
| CN105797415B (en) * | 2014-12-31 | 2018-03-30 | 亚申科技研发中心（上海）有限公司 | A kind of material boils module and applies its distillation system again |
| CN206045457U (en) * | 2016-08-25 | 2017-03-29 | 中石化广州工程有限公司 | A kind of rectifying tower press operation control system |
| CN207085371U (en) * | 2017-06-30 | 2018-03-13 | 山东普洛得邦医药有限公司 | A kind of vacuum distillation apparatus for activated thioester of cefixime side chain intermediate |
| CN208115195U (en) * | 2018-03-20 | 2018-11-20 | 福斯特惠勒（河北）工程设计有限公司 | Destilling tower safety device |
-
2019
- 2019-10-31 CN CN201911050179.0A patent/CN110694291B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110694291A (en) | 2020-01-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110694291B (en) | Pressure reducing device with early warning for distillation tower | |
| US8623221B1 (en) | Sand separator for petroleum and natural gas wells | |
| CN206601078U (en) | Blasting hole with water explosive loader | |
| CN105257331A (en) | Mine wet type dust removing device | |
| CN203990251U (en) | Liquefied ammonia is made the retracting device of ammonia in the freezing unit of freezing liquid | |
| CN205676420U (en) | A kind of retracting device of gas pipeline liquid light hydrocarbon | |
| CN201842420U (en) | Device for absorbing gas discharged from ammonia gas storage tank | |
| EP1324837B1 (en) | Apparatus and methods for shielding high-pressure fluid devices | |
| CN210993474U (en) | Tower crane spraying dust-settling system | |
| CN108678021A (en) | Inspection well cover with warning fly rod | |
| CN201862345U (en) | Automatic clearance type dust filter | |
| CN207660372U (en) | A kind of park maintenance fence | |
| CN204637794U (en) | Backflow separatory venting device in a kind of whirlwind | |
| CN204342545U (en) | A kind of desanding gas barrier | |
| CN202832334U (en) | Straight-barrel-type oil-gas well head ball catching device | |
| CN206304403U (en) | A kind of vertical settling groove in the production for trimethylolpropane | |
| CN202338301U (en) | Sand-preventing pre-set type underground throttling device | |
| CN110345290A (en) | With clean, decompression function valve inside | |
| CN219208843U (en) | Fire hydrant | |
| CN218954605U (en) | Natural gas storage tank with protection component | |
| CN217356931U (en) | Steel construction dust removal chimney of high stability | |
| CN219281203U (en) | Steel scaffold for constructional engineering | |
| CN105398712A (en) | Hydrochloric acid storage tank | |
| CN210138656U (en) | Device for cleaning inactivated catalyst in synthesis of flunixin meglumine intermediate MTA | |
| CN206901048U (en) | A kind of oil storage tank for being easy to scarfing cinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230725 Address after: 115000 small and medium-sized enterprise park, xianrendao energy and chemical industry zone, Yingkou City, Liaoning Province Patentee after: Yingkou Shihe Fine Chemical Co.,Ltd. Address before: 317205 Zhoucun Street 2, Tiantai County, Taizhou, Zhejiang Patentee before: Zhou Xiaowei |
|
| TR01 | Transfer of patent right |