CN212283465U - Energy-saving equipment for adipic acid production - Google Patents
Energy-saving equipment for adipic acid production Download PDFInfo
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- CN212283465U CN212283465U CN202020601156.6U CN202020601156U CN212283465U CN 212283465 U CN212283465 U CN 212283465U CN 202020601156 U CN202020601156 U CN 202020601156U CN 212283465 U CN212283465 U CN 212283465U
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- adipic acid
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Abstract
The utility model relates to an energy-saving device for adipic acid production, which comprises an adipic acid production device, a tail gas absorption tower, a fan, a normal pressure tank, a water supplementing device and a water pump, wherein an ultra-negative pressure prevention seal tank is arranged in the adipic acid production device, the water pump is arranged in the normal pressure tank and is connected with two branch water pipes, the first branch water pipe is connected with the tail gas absorption tower, the tail gas absorption tower is connected with the normal pressure tank, the water pump, the tail gas absorption tower and the normal pressure tank are sequentially connected to form a first water circulation, the second branch water pipe is connected with the ultra-negative pressure prevention seal tank, the ultra-negative pressure prevention seal tank is connected with the normal pressure tank, the water pump, the ultra-negative pressure prevention seal tank and the normal pressure tank are sequentially connected to form a second water circulation, because the normal pressure tank only needs to supplement high-purity water when the tail gas absorption tower starts to work, a, the consumption of industrial water in the adipic acid production device is greatly reduced, so the sewage treatment cost is greatly reduced.
Description
Technical Field
The utility model relates to an adipic acid production technology, especially an energy-saving equipment is used in adipic acid production.
Background
Adipic acid, also known as adipic acid, is an important organic dibasic acid, can perform salt forming reaction, esterification reaction, amidation reaction and the like, and can be polycondensed with diamine or dihydric alcohol to form a high molecular polymer and the like; adipic acid is a dicarboxylic acid with important industrial significance, and plays an important role in chemical production, organic synthesis industry, medicine, lubricant manufacturing and other aspects. In the process of producing adipic acid, a large amount of water is often needed, waste gas generated in the production of adipic acid is absorbed by an absorption tower and then becomes sewage, the sewage is discharged into a trench after being treated, and the sewage discharge amount is large, so that the problems of large water consumption and high sewage treatment cost exist in the existing process of preparing adipic acid.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy-saving equipment is used in adipic acid production for the process of solving current preparation adipic acid exists the water consumption big, problem that sewage treatment is with high costs.
In order to solve the problems, the utility model provides an energy-saving device for producing adipic acid, which comprises an adipic acid production device, a tail gas absorption tower, a fan, a normal pressure tank, a water supplementing device and a water pump, an anti-super negative pressure sealing tank is arranged in the adipic acid production device, the adipic acid production device is connected with the bottom of the tail gas absorption tower through a pipeline, the top of the tail gas absorption tower is provided with a fan, the water supplementing device is arranged at the top of the normal pressure tank, the water pump is arranged in the normal pressure tank and is connected with the main water pipe, the main water pipe is divided into two branch water pipes which are a first branch water pipe and a second branch water pipe respectively, the first branch water pipe is connected with the tail gas absorption tower, the tail gas absorption tower is connected with the normal pressure tank, the second branch water pipe is connected with the anti-super-negative pressure seal tank, and the anti-super-negative pressure seal tank is connected with the normal pressure tank.
The utility model provides an energy-saving equipment is used in adipic acid production still has following technical characteristic:
furthermore, a filler and a liquid distributor are arranged in the tail gas absorption tower.
Furthermore, an overflow pipe is arranged on the anti-super negative pressure sealing tank.
Furthermore, two water pipes are arranged on the water supplementing device and respectively comprise a first water pipe and a second water pipe, high-purity water is introduced into the first water pipe, and circulating liquid of a vacuum system is introduced into the second water pipe.
Furthermore, a first valve is connected between the first water pipe and the normal pressure tank, and a second valve is connected between the second water pipe and the normal pressure tank.
Further, the tail gas absorption tower, the first valve and the second valve are all electrically connected with the PLC.
The utility model discloses following beneficial effect has: an energy-saving device for adipic acid production comprises an adipic acid production device, a tail gas absorption tower, a fan, an atmospheric pressure tank, a water supplementing device and a water pump, wherein an anti-over negative pressure sealing tank is arranged in the adipic acid production device; be equipped with the water pump in the ordinary pressure jar, main water pipe is connected to the water pump, main water pipe divide into two water pipes, be first water pipe and second water pipe respectively, first water pipe and tail gas absorption tower are connected, tail gas absorption tower and ordinary pressure jar are connected, the ordinary pressure jar, a water pump, tail gas absorption tower, connect in order between the ordinary pressure jar and form first hydrologic cycle, second water pipe and prevent that super negative pressure seal pot connects, prevent that super negative pressure seal pot and ordinary pressure jar are connected, the ordinary pressure jar, a water pump, prevent super negative pressure seal pot, the ordinary pressure jar is connected in order and is formed the second hydrologic cycle, because the ordinary pressure jar only needs to supply high-purity water at the absorption tower during operation, use vacuum system circulation liquid after beginning work, the temperature of circulation liquid is lower, so the absorption effect of ordinary pressure jar improves greatly, the quantity greatly reduced of industrial water in the adipic acid apparatus, so sewage treatment cost greatly.
Drawings
FIG. 1 is a structural diagram of an energy-saving apparatus for adipic acid production according to an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a sectional view a-a of fig. 1.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1 to 3, in one embodiment of the energy saving equipment for adipic acid production of the present invention, the energy saving equipment comprises an adipic acid production device 1, a tail gas absorption tower 2, a fan 3, a normal pressure tank 4, a water replenishing device 5, and a water pump 6, wherein an ultra-negative pressure preventing seal tank 7 is arranged in the adipic acid production device 1, the bottoms of the adipic acid production device 1 and the tail gas absorption tower 2 are connected through a pipeline, the fan 3 is installed at the top of the tail gas absorption tower 2, the water replenishing device 5 is installed at the top of the normal pressure tank 4, the water pump 6 is arranged in the normal pressure tank 4, the water pump 6 is connected with a main water pipe, the main water pipe is divided into two branch water pipes, namely a first branch water pipe 81 and a second branch water pipe 82, the first branch water pipe 81 is connected with the tail gas absorption tower 2, the tail gas absorption tower 2 is connected with the normal pressure tank 4, the second branch water pipe, prevent that super negative pressure seal pot 7 can guarantee adipic acid apparatus for producing's normal operating, the fan 3 of the top installation of tail gas absorption tower 2 can be with the waste gas suction tail gas absorption tower 2 that produces in the adipic acid production process in, atmospheric pressure jar 4, water pump 6, prevent super negative pressure seal pot 7, atmospheric pressure jar 4 connects in order and forms the second hydrologic cycle, because atmospheric pressure jar 4 only needs to supply high-purity water at the absorption tower during operation that begins, use vacuum system circulation liquid after the work that begins, the temperature of vacuum system circulation liquid is lower, so the absorption effect of atmospheric pressure jar 4 improves greatly, the quantity greatly reduced of industrial water in the adipic acid apparatus for producing, so sewage treatment cost greatly reduced.
The working process is as follows: after the tail gas absorption tower 2 starts working, the circulating liquid of the vacuum system enters the normal pressure tank 4, the liquid in the normal pressure tank 4 is pumped out by the water pump 6, the liquid is conveyed into the absorption tower through a pipeline to cool the tower, then the liquid flows back to the normal pressure tank 4, the circulating liquid of the vacuum system is pumped by the water pump 6 to the anti-super-negative pressure sealing tank 7, and then the circulating liquid enters the tail gas absorption tower 2 and flows back to the normal pressure tank.
In one embodiment of the present application, the tail gas absorption tower 2 is preferably provided with a packing and liquid distributor (not shown in the figure), specifically, the packing and liquid distributor absorbs harmful gases in the waste gas generated in the adipic acid production, and qualified tail gas meeting the emission standard can be discharged.
In one embodiment of the present application, the anti-super negative pressure sealed tank 7 is preferably provided with an overflow pipe 9, and further, the overflow tank can discharge the industrial water in the anti-super negative pressure sealed tank 7 to a trench.
In an embodiment of the present application, preferably, the water replenishing device 5 is provided with two water pipes, which are a first water pipe 51 and a second water pipe 52, respectively, high-purity water is introduced into the first water pipe 51, and a circulating liquid of a vacuum system is introduced into the second water pipe 52, specifically, the temperature of the circulating liquid of the vacuum system is lower, so that the absorption effect of the normal pressure tank is greatly improved, and the consumption of industrial water in the adipic acid production device is greatly reduced.
In an embodiment of the present application, preferably, a first valve is connected between the first water pipe 51 and the normal pressure tank 4, a second valve is connected between the second water pipe 52 and the normal pressure tank 4, the tail gas absorption tower 2, the first valve and the second valve are all electrically connected with the PLC controller, specifically, when the absorption tower starts to work, an electrical appliance number is sent to the PLC controller, the PLC controller controls the first valve to be opened, the high purity water enters the normal pressure tank 4, after the absorption tower starts to work, the PLC controller closes the first valve, stops the input of the high purity water, opens the second valve, and the vacuum system circulation fluid enters the normal pressure tank.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. An energy-saving equipment for producing adipic acid is characterized in that: including adipic acid apparatus for producing, tail gas absorption tower, fan, ordinary pressure jar, moisturizing device, water pump, be equipped with in the adipic acid apparatus for producing and prevent super negative pressure seal jar, adipic acid apparatus for producing with tail gas absorption tower bottom is through the pipe connection, the fan is installed at the top of tail gas absorption tower, the moisturizing device is installed the top of ordinary pressure jar, be equipped with the water pump in the ordinary pressure jar, main water pipe is connected to the water pump, main water pipe divide into two water pipes, is first water pipe and second water pipe respectively, first water pipe with the tail gas absorption tower is connected, the tail gas absorption tower with the ordinary pressure jar is connected, the second water pipe with prevent super negative pressure seal jar and connect, prevent super negative pressure seal jar with the ordinary pressure jar is connected.
2. The energy-saving apparatus for adipic acid production according to claim 1, characterized in that: and the tail gas absorption tower is internally provided with a filler and a liquid distributor.
3. The energy-saving apparatus for adipic acid production according to claim 1, characterized in that: and an overflow pipe is arranged on the anti-super negative pressure seal tank.
4. The energy-saving apparatus for adipic acid production according to claim 1, characterized in that: the water replenishing device is provided with two water pipes which are a first water pipe and a second water pipe respectively, high-purity water is introduced into the first water pipe, and circulating liquid of a vacuum system is introduced into the second water pipe.
5. The energy-saving apparatus for adipic acid production according to claim 4, characterized in that: the first water pipe with be connected with first valve between the ordinary pressure jar, the second water pipe with be connected with the second valve between the ordinary pressure jar.
6. The energy-saving apparatus for adipic acid production according to claim 1, characterized in that: and the tail gas absorption tower, the first valve and the second valve are electrically connected with the PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020601156.6U CN212283465U (en) | 2020-04-21 | 2020-04-21 | Energy-saving equipment for adipic acid production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020601156.6U CN212283465U (en) | 2020-04-21 | 2020-04-21 | Energy-saving equipment for adipic acid production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212283465U true CN212283465U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020601156.6U Active CN212283465U (en) | 2020-04-21 | 2020-04-21 | Energy-saving equipment for adipic acid production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212283465U (en) |
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2020
- 2020-04-21 CN CN202020601156.6U patent/CN212283465U/en active Active
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