CN211435118U - Concentration tower is used in acrylamide processing - Google Patents
Concentration tower is used in acrylamide processing Download PDFInfo
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- CN211435118U CN211435118U CN201922245792.XU CN201922245792U CN211435118U CN 211435118 U CN211435118 U CN 211435118U CN 201922245792 U CN201922245792 U CN 201922245792U CN 211435118 U CN211435118 U CN 211435118U
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Abstract
The utility model discloses a concentrating tower is used in acrylamide processing, it relates to acrylamide processing equipment technical field. An air inlet is arranged below the side edge of a tower body, the air inlet is connected with a Roots blower, an air outlet is arranged at the top of the tower body, a feed inlet is arranged above the side edge of the tower body, the feed inlet is connected with an outlet of a heater, a conveying pump is arranged between the feed inlet and the outlet of the heater, and a discharge outlet is arranged at the bottom of the tower body; a liquid spraying pipe is arranged above the interior of the tower body, a plurality of spraying heads are arranged at the bottom of the liquid spraying pipe, and a tower plate is arranged in the tower body; driving motor is installed to the side of tower body, driving motor's output shaft passes through the hold-in range and is connected with the pivot, the pivot transversely sets up inside the tower body, and the last below of pivot is equipped with arc stirring piece, arc stirring piece transversely sets up in the pivot in succession. The utility model has the advantages that: the air can fully contact with the feed liquid, the contact time is long, the contact surface is large, the heat exchange is sufficient, and the concentration efficiency is high.
Description
Technical Field
The utility model relates to an acrylamide processing equipment technical field, concretely relates to concentration tower is used in acrylamide processing.
Background
Acrylamide is a white crystalline chemical substance and is a raw material for producing polyacrylamide. The polyacrylamide is mainly used in the fields of oil and gas exploitation, papermaking, water treatment, mineral washing, coating, spinning, metallurgy, cement reinforcing agents, super absorbent resin, adhesives, leather retanning agents and the like. Raw material acrylonitrile is reacted with water by using a biological enzyme catalyst (strain chamber culture and fermentation workshop production) at the temperature of about 20 ℃ to generate an acrylamide aqueous solution, and then the acrylamide crystal product is obtained by using the procedures of refining, concentrating, crystallizing, centrifuging, drying and the like. The concentration of the aqueous acrylamide solution is carried out in a concentration column.
The current concentrated tower is direct to be added the feed liquid from the top of tower body, then send into the air in to the tower body from the tower bottom, drives the moisture that evaporates in the feed liquid from the tower body top through the heat transfer of air and feed liquid, realizes the concentration of feed liquid, but the contact time of feed liquid and air is shorter, and the contact surface is little, and heat transfer effect is poor, and concentration efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a concentrated tower is used in acrylamide processing, the contact time that can solve feed liquid and air that exists among the prior art is shorter, the contact surface is little, the heat transfer effect is poor, concentrated efficiency is lower problem.
In order to solve the technical problem, the utility model adopts the technical scheme that: the improved heating tower comprises a tower body, wherein an air inlet is arranged below the side edge of the tower body and is connected with a Roots blower, an air outlet is arranged at the top of the tower body, a feed inlet is arranged above the side edge of the tower body and is connected with an outlet of a heater, a conveying pump is arranged between the feed inlet and the outlet of the heater, and a discharge outlet is arranged at the bottom of the tower body;
a liquid spraying pipe is arranged above the interior of the tower body, one end of the liquid spraying pipe is communicated with the feed inlet, a plurality of spray headers are arranged at the bottom of the liquid spraying pipe, a plurality of transversely arranged tower plates are arranged in the tower body, and a plurality of liquid outlet holes are formed in the tower plates;
driving motor is installed to the side of tower body, driving motor's output shaft passes through the hold-in range and is connected with the pivot, the pivot transversely sets up inside the tower body, and the last below of pivot is equipped with arc stirring piece, arc stirring piece transversely sets up in the pivot in succession.
Furthermore, the bottom of the liquid spraying pipe is erected on a supporting block, and the supporting block is fixed on the inner wall of the tower body.
Furthermore, two ends of the tower plate are arranged in a groove on the inner wall of the tower body and fixed.
Furthermore, the rotating shafts are arranged between the tower plates and are provided with a plurality of rotating shafts, the rotating shafts adjacent to the driving motor are connected with the output shaft of the driving motor through synchronous belts, and the rotating shafts adjacent to the driving motor are connected with the rotating shaft on the other side through synchronous belts.
After adopting the structure, the utility model has the advantages that:
1. the heated feed liquid is added from the top of the tower body, and is sprayed by a spray header during adding, so that the feed liquid is fully dispersed, air entering from the bottom of the tower body moves upwards and can be fully contacted with the feed liquid, and a plurality of layers of tower plates are arranged in the tower body, so that the contact time of the air and the feed liquid is long, the contact surface is large, the heat exchange is full, and the concentration efficiency is high;
2. set up pivot and arc stirring piece between the column plate, stir the upset with the feed liquid, be of a longer time with the contact time of air, the contact surface is more, and the heat transfer is effectual, improves concentration efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: the device comprises a tower body 1, an air inlet 2, an air outlet 3, a Roots blower 4, a feed inlet 5, a delivery pump 6, a heater 7, a discharge port 8, a liquid spray pipe 9, a spray header 10, a tower plate 11, a driving motor 12, an output shaft 13, a rotating shaft 14, a synchronous belt 15 and an arc-shaped stirring sheet 16.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: the tower comprises a tower body 1, an air inlet 2 is arranged below the side edge of the tower body 1, the air inlet 2 is connected with a Roots blower 4, the Roots blower sends air into the lower part of the tower body 1 from the air inlet 2, the air enters the inside of the tower body 1 and then goes to the upper part of the tower body 1, an air outlet 3 is arranged at the top of the tower body 1, the air after heat exchange carries evaporated moisture to be discharged from the air outlet 3, a feed inlet 5 is arranged above the side edge of the tower body 1, the feed inlet 5 is connected with an outlet of a heater 7, a conveying pump 6 is arranged between the feed inlet 5 and the outlet of the heater 7, feed liquid heated by a solution heater 7 enters the inside of the tower body 1 from the feed inlet 5 and moves downwards from the top of the tower body 1 under the action of the conveying pump 6, a;
a liquid spraying pipe 9 is arranged above the inside of the tower body 1, one end of the liquid spraying pipe 9 is communicated with the feed inlet 5, liquid directly enters the liquid spraying pipe 9 from the feed inlet 5, the bottom of the liquid spraying pipe 9 is provided with a plurality of spray headers 10, the liquid enters the spray headers 10 from the liquid spraying pipe 9, the liquid is sprayed to the inside of the tower body 1 through the spray headers 10, the liquid can be dispersed and moves downwards from the top of the tower body 1 in the form of water drops, the heat exchange area of the liquid and the air is larger in the form of the water drops, a plurality of transversely arranged tower plates 11 are arranged inside the tower body 1, a plurality of liquid outlet holes are arranged on the tower plates 11, the liquid drops downwards through the tower plates 11 layer by layer, the heat exchange time of the liquid and the air is longer, two ends of the tower plates 11 are arranged in grooves on the inner wall of the tower body 1 and fixed, the tower, the liquid spraying pipe 9 is convenient to fix, and the supporting block is fixed on the inner wall of the tower body 1;
the side of the tower body 1 is provided with a driving motor 12, an output shaft 13 of the driving motor 12 is connected with a rotating shaft 14 through a synchronous belt 15, the rotating shaft 14 is transversely arranged inside the tower body 1, the driving motor 12 drives the rotating shaft 14 to rotate, arc-shaped stirring sheets 16 are arranged above and below the rotating shaft 14, the arc-shaped stirring sheets 16 are transversely and continuously arranged on the rotating shaft 14, the arc-shaped stirring sheets 16 rotate along with the rotating shaft 14 and can stir falling feed liquid, so that the feed liquid is turned over, the contact surface and the contact time with air are increased, the heat exchange effect is better, the rotating shaft 14 is arranged between the tower plates 11, the rotating shafts 14 adjacent to the driving motor 12 are connected with the output shaft 13 of the driving motor 12 through the synchronous belt 15, the rotating shaft 14 adjacent to the driving motor 12 is connected with the rotating shaft 14 on the other side through the synchronous belt 15, and the rotating shaft 14, the heat exchange is sufficient.
The working principle is as follows: the feed liquid is heated to about 90 ℃ by a heater 7, the heater 7 is heated by 0.3MPa steam, the heated feed liquid enters a liquid spraying pipe 9 in a tower body 1 from a feed inlet 5 through a delivery pump 6, the feed liquid in the liquid spraying pipe 9 enters a spray header 10 below the liquid spraying pipe 9 and is sprayed to the upper part of the tower body 1 and gradually drops down through a liquid outlet hole of a tower plate 11, the feed liquid drops down from the upper part of the tower body 1 in the form of water drops after being sprayed, meanwhile, air is sent into the tower body 1 from the bottom of the tower body 1 by a Roots blower 4 and gradually moves upwards to exchange heat with the dropped feed liquid, the feed liquid and the air are in countercurrent contact on the tower plate 11 to transfer heat, the heat transfer area is large, the heat transfer is more sufficient in the form of water drops, a driving motor 12 can drive a rotating shaft 14 to rotate in the heat exchange process, the rotating shaft 14 drives an arc-shaped stirring sheet 16 to stir and turn the water-, the contact of feed liquid and air is more, and heat transfer time also obtains corresponding extension, and the heat transfer effect is better, and the air takes away the moisture that evaporates in the feed liquid from the air outlet 3 at tower body 1 top, removes liquid foam entrainment through the cyclone, empties after tail gas washing again, and the feed liquid is after circulating concentration to acrylamide concentration reaches 60% (mass fraction), and the concentrate is sent to crystallization centrifugation process. And each inlet and outlet is provided with a switch valve.
The components of the roots blower 4, the delivery pump 6, the heater 7, the shower head 10, the driving motor 12, the switch valve, etc. described above are all general standard components or components known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through technical manuals or through routine experimental methods, and will not be described.
In the specific embodiment, heated feed liquid is added from the top of the tower body, and is sprayed by the spray header during adding, so that the feed liquid is fully dispersed, air entering from the bottom of the tower body moves upwards and can be fully contacted with the feed liquid, and the tower body is internally provided with the plurality of layers of tower plates, so that the contact time of the air and the feed liquid is long, the contact surface is large, the heat exchange is full, and the concentration efficiency is high; set up pivot and arc stirring piece between the column plate, stir the upset with the feed liquid, be of a longer time with the contact time of air, the contact surface is more, and the heat transfer is effectual, improves concentration efficiency.
The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides an acrylamide processing is with concentrated tower, includes the tower body, its characterized in that: an air inlet is arranged below the side edge of the tower body and connected with a Roots blower, an air outlet is arranged at the top of the tower body, a feed inlet is arranged above the side edge of the tower body and connected with an outlet of the heater, a conveying pump is arranged between the feed inlet and the outlet of the heater, and a discharge outlet is arranged at the bottom of the tower body;
a liquid spraying pipe is arranged above the interior of the tower body, one end of the liquid spraying pipe is communicated with the feed inlet, a plurality of spray headers are arranged at the bottom of the liquid spraying pipe, a plurality of transversely arranged tower plates are arranged in the tower body, and a plurality of liquid outlet holes are formed in the tower plates;
driving motor is installed to the side of tower body, driving motor's output shaft passes through the hold-in range and is connected with the pivot, the pivot transversely sets up inside the tower body, and the last below of pivot is equipped with arc stirring piece, arc stirring piece transversely sets up in the pivot in succession.
2. The concentrating tower for acrylamide processing according to claim 1, characterized in that: the bottom of the liquid spraying pipe is erected on a supporting block, and the supporting block is fixed on the inner wall of the tower body.
3. The concentrating tower for acrylamide processing according to claim 1, characterized in that: the two ends of the tower plate are arranged in the grooves on the inner wall of the tower body and fixed.
4. The concentrating tower for acrylamide processing according to claim 1, characterized in that: the rotating shafts are arranged between the tower plates and are provided with a plurality of rotating shafts, the rotating shafts adjacent to the driving motor are connected with the output shaft of the driving motor through synchronous belts, and the rotating shafts adjacent to the driving motor are connected with the rotating shaft on the other side through synchronous belts.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922245792.XU CN211435118U (en) | 2019-12-16 | 2019-12-16 | Concentration tower is used in acrylamide processing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922245792.XU CN211435118U (en) | 2019-12-16 | 2019-12-16 | Concentration tower is used in acrylamide processing |
Publications (1)
Publication Number | Publication Date |
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CN211435118U true CN211435118U (en) | 2020-09-08 |
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CN201922245792.XU Active CN211435118U (en) | 2019-12-16 | 2019-12-16 | Concentration tower is used in acrylamide processing |
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CN (1) | CN211435118U (en) |
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2019
- 2019-12-16 CN CN201922245792.XU patent/CN211435118U/en active Active
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