CN213446931U - Sodium carboxymethylcellulose production ethanol recycle device - Google Patents
Sodium carboxymethylcellulose production ethanol recycle device Download PDFInfo
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- CN213446931U CN213446931U CN202022449537.XU CN202022449537U CN213446931U CN 213446931 U CN213446931 U CN 213446931U CN 202022449537 U CN202022449537 U CN 202022449537U CN 213446931 U CN213446931 U CN 213446931U
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses a device for recycling ethanol produced by sodium carboxymethylcellulose, which comprises a neutralization tank, wherein the neutralization tank is of a closed structure, and the top surface of the neutralization tank is sequentially communicated with a liquid inlet pipe, a PH regulating valve and a PH meter; the PH regulating valve is connected with a liquid storage tank; the neutralization tank is connected with a primary condensation recovery system through a pipeline; the output end of the primary condensation recovery system is connected to the secondary condensation recovery system through a first U-shaped pipe; the secondary condensation recovery system is connected to the spray recovery tower through a second U-shaped pipe; the bottoms of the first U-shaped pipe and the second U-shaped pipe are respectively connected to a weak wine storage tank for washing products through a water pump; the utility model discloses a sodium carboxymethylcellulose production ethanol recycle device can practice thrift the production time well, and reasonable utilization production heat, and practice thrift the use amount of steam greatly, in addition its can be fine play energy saving and consumption reduction's effect.
Description
Technical Field
The utility model relates to a sodium carboxymethylcellulose production facility, concretely relates to sodium carboxymethylcellulose produces ethanol recycle device belongs to sodium carboxymethylcellulose production facility technical field.
Background
Sodium carboxymethylcellulose (CMC) is an important cellulose derivative, which is a water-soluble ionic ether prepared by chemically modifying natural cellulose; at present, the production process of sodium carboxymethylcellulose is mainly divided into a water medium method and a solvent method; the aqueous medium method is a process method for producing sodium carboxymethylcellulose in the early stage, and can only be used for preparing detergents, textile sizing agents, adhesives and middle-grade and low-grade products in the petroleum industry; the solvent method is a process method for carrying out alkalization and etherification reaction by taking an organic solvent as a reaction medium; compared with a water medium method, the method has the advantages of high reaction speed, less side reaction, more stable and excellent product performance and the like, and is commonly used in the field of pharmaceutical preparations; the production process of sodium carboxymethylcellulose by using conventional solvent method includes: alkalizing, etherifying, neutralizing, washing, drying, crushing and packaging, wherein the temperature is increased to 78 +/-1 ℃ in the etherification process, then the temperature is kept constant, and the temperature is reduced to below 55 ℃ after the constant temperature is over; the production process is long in time, heat energy is easily wasted, steam needs to be added again in the later period, and energy consumption is high.
Disclosure of Invention
In order to solve the problem, the utility model provides a sodium carboxymethylcellulose production ethanol recycle device can save production time, and the steam's use amount is practiced thrift greatly in reasonable utilization production heat, can be fine play energy saving and consumption reduction's effect.
The utility model discloses a sodium carboxymethylcellulose production ethanol recycle device, adopt new technology to retrieve the solvent, it directly gets into the neutralizing tank after etherifying the constant temperature and finishing instead, then adjust PH, increase first grade wine gas condensation recovery system and second grade wine gas condensation recovery system on the neutralizing tank; condensing the wine gas at first-stage normal temperature water, condensing and recovering part of the wine gas, and pumping the condensed wine gas into a thin wine storage tank for product washing; the non-condensed wine gas enters a secondary condenser (chilled water), and the condensed wine is recycled and pumped into a weak wine storage tank for product washing; the secondary non-condensable gas enters a spray recovery tower, residual wine gas is adsorbed by water, the adsorbed water is used for neutralizing and blending wine, then the residual gas is discharged into the atmosphere, and the discharged gas reaches the standard; the concrete structure is as follows: the device comprises a neutralization tank, wherein the neutralization tank is of a closed structure, and the top surface of the neutralization tank is sequentially communicated with a liquid inlet pipe, a PH regulating valve and a PH meter; the PH regulating valve is connected with a liquid storage tank; the neutralization tank is connected with a primary condensation recovery system through a pipeline; the output end of the primary condensation recovery system is connected to the secondary condensation recovery system through a first U-shaped pipe; the secondary condensation recovery system is connected to the spray recovery tower through a second U-shaped pipe; the bottoms of the first U-shaped pipe and the second U-shaped pipe are respectively connected to a weak wine storage tank for washing products through a water pump; the bottom of the spraying recovery tower is connected to an outward discharge tank for neutralizing and blending wine through a liquid discharge valve; the primary condensation recovery system comprises a first heat exchanger, and a heat exchange medium of the first heat exchanger is a normal-temperature water circulating pipeline; the secondary condensation recovery system comprises a second heat exchanger, and a heat exchange medium of the second heat exchanger is a chilled water circulation pipeline.
Further, the spray recovery tower comprises a tower body, and an external discharge pipe is arranged at the top of the tower body; a filter material is arranged at the upper part of the tower body; the lower part of the tower body is provided with an air inlet pipe communicated with a second U-shaped pipe; the tower body is provided with spray heads on the upper part and the lower part of the filter material respectively; the spray head is connected to the lower part of the tower body through a liquid extraction pump, liquid at the bottom of the tower body is extracted to the spray head through the liquid extraction pump, and water adsorption is adopted for residual wine gas through the spray head.
Further, the lower parts of the thin wine storage tank and the outer discharge tank are respectively provided with an outer guide pipe; and a locking valve is arranged on the outer guide pipe, and the recovered liquid is reused in the production of the sodium carboxymethyl cellulose through the outer guide pipe.
Compared with the prior art, the utility model discloses a sodium carboxymethylcellulose produces ethanol recycle device can practice thrift the production time well, and reasonable utilization production heat, and practice thrift the use amount of steam greatly, its effect that plays energy saving and consumption reduction that can be fine in addition.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.
Detailed Description
Example 1:
as shown in fig. 1, the device for recycling ethanol produced from sodium carboxymethylcellulose adopts a new process to recover a solvent, the new process is changed into a process of directly entering a neutralization tank after etherification is finished at a constant temperature, then the pH value is adjusted, and a primary alcohol gas condensation recovery system and a secondary alcohol gas condensation recovery system are added on the neutralization tank; condensing the wine gas at first-stage normal temperature water, condensing and recovering part of the wine gas, and pumping the condensed wine gas into a thin wine storage tank for product washing; the non-condensed wine gas enters a secondary condenser (chilled water), and the condensed wine is recycled and pumped into a weak wine storage tank for product washing; the secondary non-condensable gas enters a spray recovery tower, residual wine gas is adsorbed by water, the adsorbed water is used for neutralizing and blending wine, then the residual gas is discharged into the atmosphere, and the discharged gas reaches the standard; the concrete structure is as follows: the device comprises a neutralization tank 1, wherein the neutralization tank 1 is of a closed structure, and the top surface of the neutralization tank 1 is sequentially communicated with a liquid inlet pipe 2, a PH regulating valve 3 and a PH meter 4; the PH adjusting valve 3 is connected with a liquid storage tank 5; the neutralization tank 1 is connected with a primary condensation recovery system 6 through a pipeline; the output end of the primary condensation recovery system 6 is connected to a secondary condensation recovery system 8 through a first U-shaped pipe 7; the secondary condensation recovery system 8 is connected to a spray recovery tower 10 through a second U-shaped pipe 9; the bottoms of the first U-shaped pipe 7 and the second U-shaped pipe 9 are respectively connected to a thin wine storage tank 12 for product washing through a water pump 11; the bottom of the spray recovery tower 10 is connected to an external discharge tank 14 for neutralizing and blending wine through a liquid discharge valve 13; the primary condensation recovery system 6 comprises a first heat exchanger 61, and a heat exchange medium of the first heat exchanger 61 is a normal temperature water circulation pipeline 62; the secondary condensation recovery system 8 comprises a second heat exchanger 81, and a heat exchange medium of the second heat exchanger is a chilled water circulation pipeline 82.
The spray recovery tower 10 comprises a tower body 101, and an external discharge pipe 102 is arranged at the top of the tower body 101; a filter material 103 is arranged at the upper part of the tower body 101; an air inlet pipe 104 communicated with a second U-shaped pipe is arranged at the lower part of the tower body 101; the tower body 101 is provided with spray heads 105 at the upper part and the lower part of the filter material respectively; the spray head 105 is connected to the lower part of the tower body 101 through a liquid extracting pump 106, liquid at the bottom of the tower body is lifted to the spray head through the liquid extracting pump, and residual wine gas is adsorbed by water through the spray head. The lower parts of the thin wine storage tank 12 and the outer discharge tank 14 are respectively provided with an outer guide pipe 15; and a locking valve 16 is arranged on the outer guide pipe 15, and the recovered liquid is reused in the production of the sodium carboxymethyl cellulose through the outer guide pipe.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (3)
1. The utility model provides a sodium carboxymethylcellulose production ethanol recycle device, includes neutralization tank, its characterized in that: the neutralizing tank is of a closed structure, and the top surface of the neutralizing tank is sequentially communicated with a liquid inlet pipe, a PH regulating valve and a PH meter; the PH regulating valve is connected with a liquid storage tank; the neutralization tank is connected with a primary condensation recovery system through a pipeline; the output end of the primary condensation recovery system is connected to the secondary condensation recovery system through a first U-shaped pipe; the secondary condensation recovery system is connected to the spray recovery tower through a second U-shaped pipe; the bottoms of the first U-shaped pipe and the second U-shaped pipe are respectively connected to a weak wine storage tank for washing products through a water pump; the bottom of the spraying recovery tower is connected to an outward discharge tank for neutralizing and blending wine through a liquid discharge valve; the primary condensation recovery system comprises a first heat exchanger, and a heat exchange medium of the first heat exchanger is a normal-temperature water circulating pipeline; the secondary condensation recovery system comprises a second heat exchanger, and a heat exchange medium of the second heat exchanger is a chilled water circulation pipeline.
2. The recycling device for ethanol produced by sodium carboxymethylcellulose according to claim 1, characterized in that: the spray recovery tower comprises a tower body, and an external discharge pipe is arranged at the top of the tower body; a filter material is arranged at the upper part of the tower body; the lower part of the tower body is provided with an air inlet pipe communicated with a second U-shaped pipe; the tower body is provided with spray heads on the upper part and the lower part of the filter material respectively; the spray head is connected to the lower part of the tower body through a liquid extracting pump.
3. The recycling device for ethanol produced by sodium carboxymethylcellulose according to claim 1, characterized in that: the lower parts of the thin wine storage tank and the outer discharge tank are respectively provided with an outer guide pipe; and a locking valve is arranged on the outer guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022449537.XU CN213446931U (en) | 2020-10-29 | 2020-10-29 | Sodium carboxymethylcellulose production ethanol recycle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022449537.XU CN213446931U (en) | 2020-10-29 | 2020-10-29 | Sodium carboxymethylcellulose production ethanol recycle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213446931U true CN213446931U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022449537.XU Active CN213446931U (en) | 2020-10-29 | 2020-10-29 | Sodium carboxymethylcellulose production ethanol recycle device |
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| CN (1) | CN213446931U (en) |
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2020
- 2020-10-29 CN CN202022449537.XU patent/CN213446931U/en active Active
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