CN214714460U - Quantitatively controlled ethanol feeding pipeline of ethanol inlet recovery tower - Google Patents
Quantitatively controlled ethanol feeding pipeline of ethanol inlet recovery tower Download PDFInfo
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- CN214714460U CN214714460U CN202120948515.XU CN202120948515U CN214714460U CN 214714460 U CN214714460 U CN 214714460U CN 202120948515 U CN202120948515 U CN 202120948515U CN 214714460 U CN214714460 U CN 214714460U
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- ethanol
- storage tank
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- plc controller
- supporting plate
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 164
- 238000011084 recovery Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 28
- 230000008093 supporting effect Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims abstract description 10
- 239000004698 Polyethylene Substances 0.000 claims description 13
- 239000010425 asbestos Substances 0.000 claims description 13
- -1 polyethylene Polymers 0.000 claims description 13
- 229920000573 polyethylene Polymers 0.000 claims description 13
- 229910052895 riebeckite Inorganic materials 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model discloses a quantitatively controlled ethanol feeding pipeline of an ethanol inlet recovery tower, which comprises a storage tank, a speed measuring mechanism and a flow control mechanism; a material storage tank: the lower end of the material storage tank is symmetrically provided with vertical plates, a supporting plate is arranged between the two vertical plates, the lower end of the material storage tank is provided with a material conveying pipe, the lower end head of the material conveying pipe penetrates through the supporting plate and extends to the lower side of the supporting plate, and the upper end inside the material conveying pipe is connected with an installation pipe in series; the detection mechanism comprises: the right end of the inner part of the conveying pipe is arranged; a flow rate control mechanism: set up in the upper end of backup pad, flow control mechanism rotates with the installation pipe to be connected, still includes the PLC controller, and the PLC controller sets up in the riser front end of front side, and external power source is connected to the input electricity of PLC controller, and this quantitative control's the ethanol that advances retrieves a tower ethanol feeding pipeline, carries out the accuracy to output flow and calculates, realizes the high-efficient control when carrying ethanol, makes things convenient for personnel to operate.
Description
Technical Field
The utility model relates to an ethanol recovery technical field specifically is a quantitative control advance ethanol and retrieve a tower ethanol feeding line.
Background
Ethanol is commonly called as ethanol, is a flammable and volatile colorless transparent liquid at normal temperature and normal pressure, has low toxicity, and can not be directly drunk, and when the ethanol is used, the ethanol needs to be recovered, rectified and purified so as to meet the use requirements of people, so that an ethanol recovery tower is needed to purify the ethanol, the ethanol recovery tower utilizes the principle that the boiling point of the ethanol is lower than that of other solutions, and uses the temperature slightly higher than the boiling point of the ethanol to heat and volatilize the dilute ethanol solution to be recovered, and after rectification by a tower body, pure ethanol gas is separated out to improve the concentration of the ethanol solution so as to achieve the aim of recovering the ethanol, the pure ethanol is conveyed to each working position through an ethanol feeding pipeline, but the general ethanol feeding pipeline can not quantitatively control the conveying quantity of the ethanol, so that the purification efficiency of the ethanol is reduced, and the general ethanol feeding pipeline can not effectively detect the flow, the accuracy of detection data is reduced, the ethanol feeding pipeline is easy to corrode ethanol, and the service life of the ethanol feeding pipeline is shortened.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a quantitative control advance ethanol and retrieve a tower ethanol feeding line, realize the high-efficient control when carrying ethanol, make things convenient for personnel to operate, carry out the accurate calculation to the output flow, guarantee the accuracy of detection data, the problem in the background art can effectively be solved to the life of extension fixture.
In order to achieve the above object, the utility model provides a following technical scheme: a quantitatively controlled ethanol feeding pipeline of an ethanol inlet recovery tower comprises a storage tank, a speed measuring mechanism and a flow control mechanism;
a material storage tank: the lower end of the material storage tank is symmetrically provided with vertical plates, a supporting plate is arranged between the two vertical plates, the lower end of the material storage tank is provided with a material conveying pipe, the lower end head of the material conveying pipe penetrates through the supporting plate and extends to the lower side of the supporting plate, and the upper end inside the material conveying pipe is connected with an installation pipe in series;
speed measurement mechanism: the right end of the inner part of the conveying pipe is arranged;
a flow rate control mechanism: set up in the upper end of backup pad, flow control mechanism rotates with the installation pipe to be connected, carries out the accuracy to the output flow and calculates, guarantees the accuracy of detection data, realizes the high efficiency control when carrying ethanol, makes things convenient for personnel's operation, has strengthened the compressive strength of conveying pipeline, the effectual life who prolongs the conveying pipeline.
Further, still include the PLC controller, the PLC controller sets up in the riser front end of front side, and external power source is connected to the input electricity of PLC controller.
Further, speed-measuring mechanism includes the table body, the converter, the roller, helical blade and revolution speed sensor, the table body is established ties in the inside lower extreme right side of conveying pipeline, the surface upper end of the table body is equipped with the converter, it is connected with the roller to rotate between the inside support of the table body, the support on the inside right side of the table body passes through bolt fixedly connected with revolution speed sensor, revolution speed sensor and roller fixed connection, the outer cambered surface of roller is fixed and has been cup jointed helical blade, the input of PLC controller is connected to the output electricity of converter, the input of converter is connected to revolution speed sensor's output electricity, realize the accurate detection.
Further, flow control mechanism includes closure plate, band pulley and torsional spring, the closure plate rotates to be connected in the inside of installation pipe, and the left end of closure plate passes the installation pipe and is equipped with the cylinder, and the left end of cylinder is equipped with the band pulley, and the extrados cover of cylinder is equipped with the torsional spring, and the right-hand member of torsional spring is connected with the surface fixed of installation pipe, the right flank fixed connection of the left end of torsional spring and band pulley realizes stable control.
Further, flow control mechanism still includes servo motor, belt pulley and connecting band, servo motor sets up in the upper surface front side of backup pad, and the belt pulley sets up in servo motor's output shaft end department, and the extrados notch of belt pulley is inside to be equipped with the connecting band, and the rear end of connecting band and the inside pivot fixed connection of rotating of band pulley notch are connected, and the output of PLC controller is connected to servo motor's output electricity, realizes stable transmission.
Further, flow control mechanism still includes fixed column and arc wall, the fixed column sets up in the extrados right side of installation pipe, and the front flank rear side of band pulley is seted up to the arc wall, fixed column and arc wall sliding connection realize high-efficient spacing.
Further, still include inner tube, asbestos gauge and polyethylene board, the polyethylene board sets up in the inside of conveying pipeline, and the asbestos gauge sets up in the inside of polyethylene board, and the inner tube sets up in the inside of asbestos gauge, improves life.
Compared with the prior art, the beneficial effects of the utility model are that: the quantitatively controlled ethanol feeding pipeline of the ethanol inlet recovery tower has the following advantages:
1. when arriving table body department, the spiral blade that flows drives starts to rotate, and the internal cross sectional area of spiral blade at the table body is unanimous, avoids the measuring error because of not uniform in size causes, and spiral blade drives the roller and rotates, and at this moment revolution speed transducer presents the rotational speed signal for the converter, and the converter converts rotational speed signal into flow signal, carries out the accurate calculation to the output flow, guarantees the accuracy of detection data.
2. The PLC controller regulates and controls a servo motor to start to operate, the servo motor drives a belt pulley to rotate anticlockwise, the belt pulley coils a connecting belt, the belt pulley drives a belt pulley to rotate through the connecting belt, a torsion spring is always in a stressed state, the phenomenon that the working quality is influenced due to the overlarge rotating angle of an intercepting plate is avoided, the belt pulley drives the intercepting plate to rotate anticlockwise and present a transverse state, an arc-shaped groove limits the rotating angle of the belt pulley through the obstruction of a fixed column, the intercepting plate obstructs ethanol, when the ethanol needs to be conveyed again, the PLC controller regulates and controls the servo motor to operate, the servo motor drives the belt pulley to rotate clockwise, the torsion force of the torsion spring is released, the torsion spring drives the belt pulley to rotate clockwise to a working origin, the belt pulley drives the intercepting plate to rotate clockwise and present a vertical state, a conveying pipe conveys the ethanol again, and efficient control during ethanol conveying is realized, the operation of personnel is convenient.
3. Asbestos gauge carries out the separation to external temperature, avoids causing the influence to the inside ethanol of conveying pipeline, and the polyethylene board has strengthened the compressive strength of conveying pipeline, the effectual life who prolongs the conveying pipeline.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of the present invention;
FIG. 3 is a schematic plan sectional view of the present invention;
FIG. 4 is an enlarged schematic view of the structure at the position C of the present invention;
FIG. 5 is a schematic view of the rear cross-sectional structure of the present invention;
fig. 6 is an enlarged schematic view of the position B of the present invention.
In the figure: the device comprises a material storage tank 1, a vertical plate 2, a support plate 3, a material conveying pipe 4, an installation pipe 5, a speed measuring mechanism 6, a meter body 61, a converter 62, a roller 63, a helical blade 64, a rotating speed sensor 65, a flow control mechanism 7, an intercepting plate 71, a belt pulley 72, a torsion spring 73, a fixed column 74, a servo motor 75, a belt pulley 76, a connecting belt 77, an arc-shaped groove 78, an inner pipe 8, an asbestos gauze 9, a polyethylene plate 10 and a PLC (programmable logic controller) 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present embodiment provides a technical solution: a quantitatively controlled ethanol feeding pipeline of an ethanol inlet recovery tower comprises a material storage tank 1, a speed measuring mechanism 6 and a flow control mechanism 7;
storage tank 1: the lower end of the material storage tank is symmetrically provided with vertical plates 2, the vertical plates 2 realize the supporting effect on the material storage tank 1, a supporting plate 3 is arranged between the two vertical plates 2, the supporting plate 3 realizes the supporting effect on an electric device, the lower end of the material storage tank 1 is provided with a material conveying pipe 4, the lower end head of the material conveying pipe 4 penetrates through the supporting plate 3 and extends to the lower side of the supporting plate 3, the upper end inside the material conveying pipe 4 is connected in series with a mounting pipe 5, and the mounting pipe 5 realizes the mounting effect on a flow control mechanism 7;
speed measuring mechanism 6: the speed measuring mechanism 6 comprises a meter body 61, a converter 62, a roller 63, a helical blade 64 and a rotating speed sensor 65, the meter body 61 is connected to the right side of the lower end of the inside of the conveying pipe 4 in series, the meter body 61 realizes the installation effect on the device, the converter 62 is arranged at the upper end of the outer surface of the meter body 61, the roller 63 is connected between the inner supports of the meter body 61 in a rotating manner, the rotating speed sensor 65 is fixedly connected to the support on the right side of the inside of the meter body 61 through a bolt, the rotating speed sensor 65 is fixedly connected with the roller 63, the helical blade 64 is fixedly sleeved on the outer arc surface of the roller 63, the output end of the converter 62 is electrically connected with the input end of the PLC 11, the output end of the rotating speed sensor 65 is electrically connected with the input end of the converter 62, when the ethanol reaches the meter body 61, the flowing ethanol drives the helical blade 64 to start to rotate, the helical blade 64 is consistent in the cross-sectional area of the inside of the meter body 61, the measurement error caused by different sizes is avoided, the helical blade 64 drives the roller 63 to rotate, at the moment, the rotating speed sensor 65 presents a rotating speed signal to the converter 62, the converter 62 converts the rotating speed signal into a flow signal, the output flow is accurately calculated, and the accuracy of the detected data is ensured;
the flow rate control mechanism 7: the flow control mechanism 7 is arranged at the upper end of the supporting plate 3 and is rotationally connected with the mounting tube 5, the flow control mechanism 7 comprises a cut-off plate 71, a belt wheel 72 and a torsion spring 73, the cut-off plate 71 is rotationally connected inside the mounting tube 5, the left end of the cut-off plate 71 penetrates through the mounting tube 5 and is provided with a cylinder, the left end of the cylinder is provided with the belt wheel 72, the outer arc surface of the cylinder is sleeved with the torsion spring 73, the right end of the torsion spring 73 is fixedly connected with the outer surface of the mounting tube 5, the left end of the torsion spring 73 is fixedly connected with the right side surface of the belt wheel 72, the flow control mechanism 7 further comprises a servo motor 75, a belt wheel 76 and a connecting belt 77, the servo motor 75 is arranged at the front side of the upper surface of the supporting plate 3, the belt wheel 76 is arranged at the end of the output shaft of the servo motor 75, the connecting belt 77 is arranged inside the outer arc surface notch of the belt 76, and the rear end of the connecting belt 77 is fixedly connected with the rotating shaft inside the notch of the belt wheel 72, the output end of the servo motor 75 is electrically connected with the output end of the PLC controller 11, the flow control mechanism 7 further comprises a fixed column 74 and an arc-shaped groove 78, the fixed column 74 is arranged on the right side of the outer arc surface of the mounting pipe 5, the arc-shaped groove 78 is arranged on the rear side of the front side surface of the belt wheel 72, the fixed column 74 is in sliding connection with the arc-shaped groove 78, the PLC controller 11 regulates and controls the servo motor 75 to start to operate, the servo motor 75 drives the belt wheel 76 to rotate anticlockwise, the belt wheel 76 winds the connecting belt 77, the belt wheel 76 drives the belt wheel 72 to rotate through the connecting belt 77, the torsion spring 73 is always in a stressed state, the phenomenon that the working quality is influenced by the overlarge rotating angle of the intercepting plate 71 is avoided, the belt wheel 72 drives the intercepting plate 71 to rotate anticlockwise and is in a transverse state, the arc-shaped groove 78 limits the rotating angle of the belt wheel 72 through the blocking of the fixed column 74, and the intercepting plate 71 blocks ethanol, when ethanol needs to be conveyed again, the PLC 11 regulates and controls the servo motor 75 to operate, the servo motor 75 drives the belt pulley 76 to rotate clockwise, the torsion of the torsion spring 73 is released, the torsion spring 73 drives the belt pulley 72 to rotate clockwise to a working original point, the belt pulley 72 drives the shutoff plate 71 to rotate clockwise and present a vertical state, the conveying pipeline conveys the ethanol again, efficient control during ethanol conveying is achieved, and operation of personnel is facilitated.
Wherein: still include PLC controller 11, PLC controller 11 sets up in 2 front ends of riser of front side, and external power source is connected to PLC controller 11's input electricity.
Wherein: still include the inner tube 8, asbestos gauge 9 and polyethylene board 10, polyethylene board 10 sets up in the inside of conveying pipeline 4, asbestos gauge 9 sets up in polyethylene board 10's inside, inner tube 8 sets up in asbestos gauge 9's inside, inner tube 8 is the stainless steel inner tube, have fine chemical resistance and corrosion resistance, asbestos gauge 9 carries out the separation to external temperature, avoid causing the influence to the inside ethanol of conveying pipeline 4, the compressive strength of conveying pipeline 4 has been strengthened to polyethylene board 10, the effectual life who prolongs conveying pipeline 4.
The utility model provides a pair of quantitative control's a tower ethanol feeding pipeline's that advances ethanol recovery theory of operation as follows: a person pours ethanol into the storage tank 1, the ethanol is conveyed through the conveying pipe 4, at the moment, the cut-off plate 71 is in a vertical state, the ethanol continues to move downwards through the conveying pipe 4, when the ethanol reaches the meter body 61, the flowing ethanol drives the spiral blade 64 to start rotating, the cross sections of the spiral blade 64 in the meter body 61 are consistent, measurement errors caused by different sizes are avoided, the spiral blade 64 drives the roller 63 to rotate, at the moment, the rotating speed sensor 65 presents a rotating speed signal to the converter 62, the converter 62 converts the rotating speed signal into a flow signal, the transverse areas of the meter body 61 are consistent, the flow in unit time depends on the flow speed, when the flow speed is too high, the converter 62 presents the signal to the PLC 11, the PLC 11 regulates the servo motor 75 to start to operate, the servo motor 75 drives the belt pulley 76 to rotate anticlockwise, the belt pulley 76 winds the connecting belt 77, the belt pulley 76 drives the belt pulley 72 to rotate through the connecting belt 77, the torsion spring 73 is always in a stressed state, the phenomenon that the working quality is affected due to the fact that the rotating angle of the intercepting plate 71 is too large is avoided, the belt pulley 72 drives the intercepting plate 71 to rotate anticlockwise and present a transverse state, the arc-shaped groove 78 is blocked through the fixing column 74, the fixing column 74 limits the rotating angle of the belt pulley 72, the intercepting plate 71 blocks the ethanol, when the ethanol needs to be conveyed again, the servo motor 75 is regulated and controlled to rotate through the PLC 11, the servo motor 75 drives the belt pulley 76 to rotate clockwise, the torsion force of the torsion spring 73 is released, the torsion spring 73 drives the belt pulley 72 to rotate clockwise to a working origin, the belt pulley 72 drives the intercepting plate 71 to rotate clockwise and present a vertical state, the conveying pipeline conveys the ethanol again, and efficient control during ethanol conveying is achieved, make things convenient for personnel to operate, asbestos gauge 9 carries out the separation to external temperature, avoids causing the influence to the inside ethanol of conveying pipeline 4, and polyethylene board 10 has strengthened conveying pipeline 4's compressive strength, the effectual life who prolongs conveying pipeline 4.
It should be noted that the converter 62 disclosed in the above embodiments may be an AXFA11 converter, the rotation speed sensor 65 may be a ZHUOYANG-002 rotation speed sensor, the servo motor 75 may be a 60ZFMA1-0D40DB servo motor, the PLC controller 11 may be a CJ1W-CI F11 programmable controller, and the PLC controller 11 may control the operation of the servo motor 75 by a method commonly used in the art.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. A quantitatively controlled ethanol feeding pipeline of an ethanol inlet recovery tower, which is characterized in that: comprises a material storage tank (1), a speed measuring mechanism (6) and a flow control mechanism (7);
storage tank (1): the lower end of the material storage tank is symmetrically provided with vertical plates (2), a supporting plate (3) is arranged between the two vertical plates (2), the lower end of the material storage tank (1) is provided with a material conveying pipe (4), the lower end head of the material conveying pipe (4) penetrates through the supporting plate (3) and extends to the lower side of the supporting plate (3), and the upper end inside the material conveying pipe (4) is connected in series with a mounting pipe (5);
speed measurement mechanism (6): is arranged at the right end inside the material conveying pipe (4);
flow rate control mechanism (7): is arranged at the upper end of the supporting plate (3), and the flow control mechanism (7) is rotationally connected with the mounting pipe (5).
2. A quantitatively controlled ethanol feed line to an ethanol recovery column according to claim 1, wherein: still include PLC controller (11), PLC controller (11) set up in riser (2) front end of front side, and external power source is connected to the input electricity of PLC controller (11).
3. A quantitatively controlled ethanol feed line to an ethanol recovery column according to claim 2, wherein: speed measuring mechanism (6) are including table body (61), converter (62), roller (63), helical blade (64) and tacho sensor (65), table body (61) are established ties in the inside lower extreme right side of conveying pipeline (4), the surface upper end of table body (61) is equipped with converter (62), it is connected with roller (63) to rotate between the inside support of table body (61), the support on the inside right side of table body (61) passes through bolt fixedly connected with tacho sensor (65), tacho sensor (65) and roller (63) fixed connection, helical blade (64) have been cup jointed to the extrados of roller (63) is fixed, the input of PLC controller (11) is connected to the output electricity of converter (62), the input of converter (62) is connected to the output electricity of tacho sensor (65).
4. A quantitatively controlled ethanol feed line to an ethanol recovery column according to claim 2, wherein: flow control mechanism (7) include closure plate (71), band pulley (72) and torsional spring (73), closure plate (71) rotate to be connected in the inside of installation pipe (5), and the left end of closure plate (71) passes installation pipe (5) and is equipped with the cylinder, and the left end of cylinder is equipped with band pulley (72), and the extrados cover of cylinder is equipped with torsional spring (73), the right-hand member of torsional spring (73) and the outer fixed surface of installation pipe (5) be connected, the right flank fixed connection of the left end of torsional spring (73) and band pulley (72).
5. A quantitatively controlled ethanol feed line to ethanol recovery column according to claim 4, wherein: flow control mechanism (7) still include servo motor (75), belt pulley (76) and connecting band (77), servo motor (75) set up in the upper surface front side of backup pad (3), and belt pulley (76) set up in the output shaft end department of servo motor (75), and the extrados notch inside of belt pulley (76) is equipped with connecting band (77), and the rear end of connecting band (77) and the inside pivot fixed connection of rotating the connection of band pulley (72) notch, the output electricity of servo motor (75) is connected the output of PLC controller (11).
6. A quantitatively controlled ethanol feed line to ethanol recovery column according to claim 4, wherein: flow control mechanism (7) still include fixed column (74) and arc wall (78), fixed column (74) set up in the extrados right side of installation pipe (5), and front surface rear side in band pulley (72) is seted up in arc wall (78), fixed column (74) and arc wall (78) sliding connection.
7. A quantitatively controlled ethanol feed line to an ethanol recovery column according to claim 1, wherein: still include inner tube (8), asbestos gauge (9) and polyethylene board (10), polyethylene board (10) set up in the inside of conveying pipeline (4), and asbestos gauge (9) set up in the inside of polyethylene board (10), and inner tube (8) set up in the inside of asbestos gauge (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120948515.XU CN214714460U (en) | 2021-05-06 | 2021-05-06 | Quantitatively controlled ethanol feeding pipeline of ethanol inlet recovery tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120948515.XU CN214714460U (en) | 2021-05-06 | 2021-05-06 | Quantitatively controlled ethanol feeding pipeline of ethanol inlet recovery tower |
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| CN214714460U true CN214714460U (en) | 2021-11-16 |
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| CN202120948515.XU Active CN214714460U (en) | 2021-05-06 | 2021-05-06 | Quantitatively controlled ethanol feeding pipeline of ethanol inlet recovery tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177632A (en) * | 2021-11-25 | 2022-03-15 | 唐成龙 | Low-boiling-point substance collecting device for recycling heavy styrene tar |
-
2021
- 2021-05-06 CN CN202120948515.XU patent/CN214714460U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177632A (en) * | 2021-11-25 | 2022-03-15 | 唐成龙 | Low-boiling-point substance collecting device for recycling heavy styrene tar |
| CN114177632B (en) * | 2021-11-25 | 2023-08-25 | 安徽昊源化工集团有限公司 | Low-boiling-point substance collecting device for recycling heavy styrene tar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Quantitative Control Ethanol Feeding Pipeline for One Tower Ethanol Recovery Granted publication date: 20211116 Pledgee: Shanghai Puchuang Financial Leasing Co.,Ltd. Pledgor: Anhui Ruibai New Material Co.,Ltd. Registration number: Y2024980026770 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |