CN116531788A - Nonylphenol polyoxyethylene ether rectification system and rectification method - Google Patents
Nonylphenol polyoxyethylene ether rectification system and rectification method Download PDFInfo
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- CN116531788A CN116531788A CN202310736376.8A CN202310736376A CN116531788A CN 116531788 A CN116531788 A CN 116531788A CN 202310736376 A CN202310736376 A CN 202310736376A CN 116531788 A CN116531788 A CN 116531788A
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- ether
- nonylphenol
- rectification
- polyoxyethylene
- rectifying tower
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Links
- 229940051841 polyoxyethylene ether Drugs 0.000 title claims abstract description 104
- 229920000056 polyoxyethylene ether Polymers 0.000 title claims abstract description 104
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 title claims abstract description 101
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 238000000034 method Methods 0.000 title claims abstract description 12
- -1 polyoxyethylene nonylphenol Polymers 0.000 claims abstract description 60
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims description 79
- 238000003860 storage Methods 0.000 claims description 33
- 238000007599 discharging Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000047 product Substances 0.000 abstract description 18
- 239000006227 byproduct Substances 0.000 abstract description 7
- 239000000571 coke Substances 0.000 abstract 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 9
- 239000002994 raw material Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- 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
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
- B01D3/148—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step in combination with at least one evaporator
-
- 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
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
- B01D3/324—Tray constructions
-
- 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
- B01D3/42—Regulation; Control
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2696—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the process or apparatus used
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a nonylphenol polyoxyethylene ether rectification system and a rectification method. The invention also discloses a rectification method of the system, which comprises the following steps: determining flow rate information and temperature information of a rectification system; sending the flow rate information and the temperature information to a rectification system; the transfer pump transfers the polyoxyethylene nonylphenol ether into a heater for heating; the heated nonylphenol polyoxyethylene ether is conveyed into a first rectifying tower for preliminary rectification after heat exchange by a heat exchanger; and the coke oven gas subjected to primary rectification is conveyed into a second rectifying tower for secondary rectification after heat exchange by a heat exchanger, so that the content of byproducts in the polyoxyethylene nonylphenol ether is effectively reduced, and the purity of polyoxyethylene nonylphenol ether products is improved.
Description
Technical Field
The invention relates to the technical field of rectification treatment, in particular to a nonylphenol polyoxyethylene ether rectification system and a rectification method.
Background
The polyoxyethylene nonylphenol ether is an addition product of nonylphenol and ethylene oxide, belongs to a nonionic surfactant, has good decontamination, wetting and emulsifying dispersion properties, is suitable for low-temperature washing, and has good biodegradability. The nonylphenol polyoxyethylene ether is colorless liquid or wax, and the carbon chain length, the addition number and the distribution of the ethylene oxide have great influence on the physical and chemical properties and the application properties of the product.
The cloud point, relative density, viscosity, etc. of the polyoxyethylene nonylphenol ether increase with increasing number of ethylene oxide, but the surface activity such as detergency, foamability, wetting and dispersing power starts to increase with increasing number of ethylene oxide, and after reaching the maximum value, the number of ethylene oxide continues to increase, and the surface activity starts to decrease again. The industrial production of nonylphenol polyoxyethylene ether is to take nonylphenol and ethylene oxide as raw materials, and react under the condition of a catalyst to produce nonylphenol polyoxyethylene ether products.
When the existing production process of the polyoxyethylene nonyl phenyl ether is used for producing polyoxyethylene nonyl phenyl ether, moisture and raw materials of the polyoxyethylene nonyl phenyl ether and ethylene oxide remain in the product, and various light-component byproducts are generated during the production, so that the purity of the product is finally affected, and the appearance quality of the product is required to be improved.
Disclosure of Invention
In view of the above, the present invention provides a rectification system and a rectification method for polyoxyethylene nonylphenol ether to solve the above-mentioned problems.
The invention is realized in the following way:
the utility model provides a nonylphenol polyoxyethylene ether rectification system, includes the material storage jar, sets up the delivery pump of material storage jar one side sets up delivery pump one side with the heating evaporimeter that the material storage jar is connected, with the heat exchanger that the heating evaporimeter is connected, with the first rectifying column that the heat exchanger is connected, and with the second rectifying column that the first rectifying column is connected, the temperature in the second rectifying column is not less than the temperature in the first rectifying column. The first rectifying tower carries out primary rectification, and the second rectifying tower is used for secondary rectification.
The nonylphenol polyoxyethylene ether in the material storage tank is conveyed into a thermal evaporator through a conveying pump to be heated and evaporated to remove water, then conveyed into a first rectifying tower to be rectified, the nonylphenol polyoxyethylene ether rectified by the first rectifying tower is conveyed into a second rectifying tower to be rectified again after heat exchange of a heat exchanger, and the primarily rectified nonylphenol polyoxyethylene ether can be subjected to heat exchange with unheated nonylphenol polyoxyethylene ether through the heat exchanger, so that energy consumption is reduced, the heat energy utilization rate is improved, and meanwhile, the nonylphenol polyoxyethylene ether is subjected to primary rectification by the first rectifying tower to remove nonylphenol and ethylene oxide raw materials, and then is subjected to secondary rectification by the second rectifying tower to remove light component byproducts, so that the content of byproducts in the nonylphenol polyoxyethylene ether is effectively reduced, and the purity of nonylphenol polyoxyethylene ether products is improved.
Further, a conveying pipe is connected to the side wall of the material storage tank, the conveying pump is installed on the conveying pipe, and one end of the conveying pipe is connected with the heating evaporator.
Further, the filter screen is installed in the material storage tank, and the filter screen is close to one end, connected with the material storage tank, of the conveying pipe.
Further, a connecting pipe is connected to the heating evaporator, and one end of the connecting pipe, which is relatively connected to the heating evaporator, passes through the heat exchanger and then is connected with the first rectifying tower.
Further, a first discharging pipe is connected to the top of the first rectifying tower, and one end of the first discharging pipe penetrates through the heat exchanger to be connected with the second rectifying tower.
Further, a second discharging pipe is connected to the top of the second rectifying tower.
Further, the first rectifying tower is internally and uniformly provided with a first rectifying plate. And a second rectifying plate is arranged in the second rectifying tower.
A rectification method based on a nonylphenol polyoxyethylene ether rectification system comprises the following steps:
1) Selecting a user client, connecting the user client with a nonylphenol polyoxyethylene ether rectification system, inputting model information of the nonylphenol polyoxyethylene ether rectification system to the user client through an input module, and determining flow velocity information and temperature information of nonylphenol polyoxyethylene ether materials in the nonylphenol polyoxyethylene ether rectification system;
2) After the user confirms, the flow rate information and the temperature information are sent to a nonylphenol polyoxyethylene ether rectification system through an information sending module;
3) Starting a conveying pump and a heating evaporator in the polyoxyethylene nonylphenol ether rectification system, conveying polyoxyethylene nonylphenol ether materials in a polyoxyethylene nonylphenol ether material storage tank into the heating evaporator for heating by the conveying pump according to flow velocity information, heating the polyoxyethylene nonylphenol ether materials by the heating evaporator according to temperature information, and receiving real-time flow velocity and real-time temperature of the polyoxyethylene nonylphenol ether materials by a user client through an information receiving module;
4) Conveying the heated nonylphenol polyoxyethylene ether material into a first rectifying tower through a heat exchanger for preliminary rectification, and receiving the real-time temperature of the preliminary rectified nonylphenol polyoxyethylene ether material by a user client through an information receiving module;
5) The method comprises the steps that a primarily rectified nonylphenol polyoxyethylene ether material exchanges heat with unheated nonylphenol polyoxyethylene ether material through a heat exchanger, the nonylphenol polyoxyethylene ether material after heat exchange is conveyed into a first rectifying tower to be primarily rectified, a user client receives real-time temperature of the nonylphenol polyoxyethylene ether material after heat exchange through an information receiving module, and the use state of a heater is controlled through a control module according to the real-time temperature of the nonylphenol polyoxyethylene ether material after heat exchange;
6) And conveying the primarily rectified nonylphenol polyoxyethylene ether material into a second rectifying tower for secondary rectification, detecting the secondarily rectified nonylphenol polyoxyethylene ether material by a detection module, discharging and collecting the material, and receiving detection information of the detection module by a user client through an information receiving module.
Further, the user client in the step 1) is a computer, and the connection mode between the user client and the nonylphenol polyoxyethylene ether rectification system comprises at least one of data line connection and wireless communication connection.
The beneficial effects of the invention are as follows:
the invention provides a nonylphenol polyoxyethylene ether rectification system which comprises a material storage tank for storing nonylphenol polyoxyethylene ether, a conveying pump arranged on one side of the material storage tank and used for conveying nonylphenol polyoxyethylene ether, a heating evaporator arranged on one side of the conveying pump and connected with the material storage tank and used for heating nonylphenol polyoxyethylene ether to remove moisture in the material, a heat exchanger connected with the heating evaporator and used for exchanging heat with nonylphenol polyoxyethylene ether, a first rectification tower connected with the heat exchanger and used for primarily rectifying nonylphenol polyoxyethylene ether, and a second rectification tower connected with the first rectification tower and used for secondarily rectifying nonylphenol polyoxyethylene ether, wherein nonylphenol polyoxyethylene ether in the material storage tank is conveyed to the heating evaporator through the conveying pump and is conveyed to the first rectification tower for rectification after moisture is removed, nonylphenol polyoxyethylene ether treated by the first rectification tower is conveyed to the second rectification tower through the heat exchanger and is subjected to rectification again, nonylphenol polyoxyethylene ether after primary rectification can be subjected to heat exchange with the heat exchanger and heat exchange with the nonylphenol polyoxyethylene ether, thus the heat energy consumption of the first and the nonylphenol polyoxyethylene ether is reduced, the heat energy is reduced, and the by-products are removed by the primary rectification products are removed through the first rectification tower, and the heat is further rectified by the nonylphenol polyoxyethylene ether is removed by the first rectification product.
Drawings
FIG. 1 is a schematic diagram of the structure of the rectification system of nonylphenol polyoxyethylene ether of the present invention.
The system comprises a 100-nonylphenol polyoxyethylene ether rectifying system, a 1-material storage tank, 11-conveying pipes, 2-conveying pumps, a 3-heating evaporator, 31-connecting pipes, 4-heat exchangers, 5-first rectifying towers, 51-first discharging pipes, 6-second rectifying towers and 61-second discharging pipes.
Description of the embodiments
The present invention will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the invention only by way of illustration, and therefore it shows only the constitution related to the invention.
As shown in FIG. 1, the invention provides a polyoxyethylene nonylphenol ether rectification system 100, which is used for rectifying polyoxyethylene nonylphenol ether, the polyoxyethylene nonylphenol ether rectification system 100 comprises a material storage tank 1 for storing polyoxyethylene nonylphenol ether, a delivery pump 2 arranged on one side of the material storage tank 1 and used for delivering polyoxyethylene nonylphenol ether, a heating evaporator 3 arranged on one side of the delivery pump 2 and used for heating and evaporating polyoxyethylene nonylphenol ether to remove moisture in polyoxyethylene nonylphenol ether, a heat exchanger 4 connected with the heating evaporator 3 and used for exchanging heat with polyoxyethylene nonylphenol ether, a first rectifying tower 5 connected with the heat exchanger 4 and used for primarily rectifying polyoxyethylene nonylphenol ether to remove polyoxyethylene nonylphenol and ethylene oxide raw materials, and a second rectifying tower 6 connected with the first rectifying tower 5 and used for secondarily rectifying polyoxyethylene nonylphenol ether to remove light component byproducts, wherein polyoxyethylene nonylphenol ether in the material storage tank 1 is delivered to the heating evaporator 3 through the delivery pump 2 and then delivered to the heating evaporator 3 and then delivered to the first rectifying tower 5 and then delivered to the second rectifying tower 6, and the polyoxyethylene ether is subjected to heat exchange treatment is carried out again, and the polyoxyethylene ether is purified, and the product is purified after the polyoxyethylene ether is rectified again, and the polyoxyethylene ether is distilled again subjected to the heat exchange is treated through the first rectifying tower 5 and the heating tower is subjected to the heat exchanger 4 and the heat exchanger 4 to the heat exchange to remove the polyoxyethylene ether.
As shown in fig. 1, a conveying pipe 11 for conveying polyoxyethylene nonylphenol ether is connected to the side wall of a material storage tank 1, a conveying pump 2 is installed on the conveying pipe 11, one end of the conveying pipe 11 is connected with a heating evaporator 3, polyoxyethylene nonylphenol ether in the material storage tank 1 is conveyed to the heating evaporator 3 through the conveying pipe 11 by the conveying pump 2 to be heated and evaporated so as to remove moisture in polyoxyethylene nonylphenol ether materials, in this embodiment, a filter screen (not shown) for filtering solid impurities in polyoxyethylene nonylphenol ether is installed in the material storage tank 1, and the filter screen is arranged near one end of the conveying pipe 11 connected with the material storage tank 1.
As shown in fig. 1, a connecting pipe 31 for conveying the polyoxyethylene nonylphenol ether after the water is removed by heating and evaporating is connected to the heating evaporator 3, one end of the connecting pipe 31, which is relatively connected with the heating evaporator 3, passes through the heat exchanger 4 and then is connected with the first rectifying tower 5, and the polyoxyethylene nonylphenol ether after the water is removed by heating and evaporating is conveyed into the first rectifying tower 5 through the connecting pipe 31 for preliminary rectifying treatment.
As shown in fig. 1, a first discharging pipe 51 for conveying primarily rectified nonylphenol polyoxyethylene ether is connected to a first rectifying tower 5, one end of the first discharging pipe 51 penetrates through a heat exchanger 4 and then is connected with a second rectifying tower 6, primarily rectified nonylphenol polyoxyethylene ether is conveyed into the second rectifying tower 6 for secondary rectification after heat exchange through the heat exchanger 4 by the first discharging pipe 51, and meanwhile, nonylphenol polyoxyethylene ether in a connecting pipe 31 is subjected to heat exchange with primarily rectified nonylphenol polyoxyethylene ether in the first discharging pipe 51 by the heat exchanger 4, so that energy consumption is reduced, heat energy utilization rate is improved, and a second discharging pipe 61 for conveying secondarily rectified nonylphenol polyoxyethylene ether is connected to the second rectifying tower 6. In this embodiment, a first rectifying plate (not shown) is uniformly disposed inside the first rectifying tower 5; a second rectifying plate (not shown) is uniformly arranged inside the second rectifying tower 6.
The invention also provides a rectification method based on the nonylphenol polyoxyethylene ether rectification system shown in figure 1, which comprises the following steps:
1) Selecting a user client, connecting the user client with a nonylphenol polyoxyethylene ether rectification system, inputting model information of the nonylphenol polyoxyethylene ether rectification system to the user client through an input module, and determining flow velocity information and temperature information of nonylphenol polyoxyethylene ether materials in the nonylphenol polyoxyethylene ether rectification system;
2) After the user confirms, the flow rate information and the temperature information are sent to a nonylphenol polyoxyethylene ether rectification system through an information sending module;
3) Starting a delivery pump and a heater in the polyoxyethylene nonylphenol ether rectification system, delivering polyoxyethylene nonylphenol ether materials in a polyoxyethylene nonylphenol ether material storage tank into the heater for heating by the delivery pump according to flow rate information, heating the polyoxyethylene nonylphenol ether materials by the heater according to temperature information, and receiving real-time flow rate and real-time temperature of the polyoxyethylene nonylphenol ether materials by a user client through an information receiving module;
4) Conveying the heated nonylphenol polyoxyethylene ether material into a first rectifying tower through a heat exchanger for preliminary rectification, and receiving the real-time temperature of the preliminary rectified nonylphenol polyoxyethylene ether material by a user client through an information receiving module;
5) The method comprises the steps that a primarily rectified nonylphenol polyoxyethylene ether material exchanges heat with unheated nonylphenol polyoxyethylene ether material through a heat exchanger, the nonylphenol polyoxyethylene ether material after heat exchange is conveyed into a first rectifying tower to be primarily rectified, a user client receives real-time temperature of the nonylphenol polyoxyethylene ether material after heat exchange through an information receiving module, and the use state of a heater is controlled through a control module according to the real-time temperature of the nonylphenol polyoxyethylene ether material after heat exchange;
6) And conveying the primarily rectified nonylphenol polyoxyethylene ether material into a second rectifying tower for secondary rectification, detecting the secondarily rectified nonylphenol polyoxyethylene ether material by a detection module, discharging and collecting the material, and receiving detection information of the detection module by a user client through an information receiving module.
The user client in the step 1) is a computer, and the connection mode between the user client and the nonylphenol polyoxyethylene ether rectification system comprises at least one of data line connection and wireless communication connection.
The invention provides a nonylphenol polyoxyethylene ether rectification system 100 which comprises a material storage tank 1 for storing nonylphenol polyoxyethylene ether, a conveying pump 2 arranged on one side of the material storage tank 1 and used for conveying nonylphenol polyoxyethylene ether, a heating evaporator 3 arranged on one side of the conveying pump 2 and connected with the material storage tank 1 and used for heating nonylphenol polyoxyethylene ether to remove moisture in the material, a heat exchanger 4 connected with the heating evaporator 3 and used for exchanging heat with nonylphenol polyoxyethylene ether, a first rectification tower 5 connected with the heat exchanger 4 and used for carrying out preliminary rectification on nonylphenol polyoxyethylene ether, and a second rectification tower 6 connected with the first rectification tower 5 and used for carrying out secondary rectification on nonylphenol polyoxyethylene ether, wherein the nonylphenol polyoxyethylene ether in the material storage tank 1 is conveyed into the heating evaporator 3 and then conveyed into the first rectification tower 5 after being heated and evaporated to remove moisture, the nonylphenol polyoxyethylene ether subjected to rectification treatment is conveyed into the second rectification tower 6 after being subjected to heat exchange by the heat exchanger, and the nonylphenol polyoxyethylene ether is conveyed into the second rectification tower 6 after being subjected to heat exchange treatment by the heat exchanger, and the nonylphenol polyoxyethylene ether is subjected to heat exchange by the first rectification tower 6, and the nonylphenol polyoxyethylene ether is subjected to heat exchange by the first rectification tower 4, and the nonylphenol polyoxyethylene ether is removed by the heat by the first rectification tower is reduced, and the heat by the product is simultaneously, the heat of the nonylphenol polyoxyethylene ether is removed by the side product, and the product is reduced, and the heat by the product is subjected to the heat by the side of the product is reduced, and the product by the product is subjected to the heat by the heat and the product.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. The nonylphenol polyoxyethylene ether rectification system is characterized in that the nonylphenol polyoxyethylene ether rectification system (100) comprises a material storage tank (1), wherein the material storage tank (1) is sequentially connected with a conveying pump (2), a heating evaporator (3) and a heat exchanger (4); the heat exchanger (4) is respectively connected with the first rectifying tower (5) and the second rectifying tower (6), the first rectifying tower (5) carries out primary rectification, and the second rectifying tower (6) is used for secondary rectification;
the polyoxyethylene nonylphenol ether in the material storage tank (1) is conveyed to the heating evaporator (3) through the conveying pump (2) to be heated and evaporated to remove water, then conveyed to the first rectifying tower (5) to be rectified, and the polyoxyethylene nonylphenol ether rectified by the first rectifying tower (5) is conveyed to the second rectifying tower (6) to be rectified again after heat exchange by the heat exchanger (4).
2. The polyoxyethylene nonylphenol ether rectification system as claimed in claim 1, wherein a conveying pipe (11) is connected to the side wall of the material storage tank (1), the conveying pump (2) is mounted on the conveying pipe (11), and one end of the conveying pipe (11) is connected with the heating evaporator (3).
3. The polyoxyethylene nonylphenol ether rectification system as claimed in claim 2, wherein a filter screen is installed in the material storage tank (1), and the filter screen is located at one end, which is close to the conveying pipe (11) and connected with the material storage tank (1).
4. The polyoxyethylene nonylphenol ether rectification system as claimed in claim 1, wherein the heating evaporator (3) is provided with a connecting pipe (31), one end of the connecting pipe (31) is connected to the heating evaporator (3), and the other end of the connecting pipe (31) passes through the heat exchanger (4) and then is connected with the first rectification column (5).
5. The polyoxyethylene nonylphenol ether rectification system as claimed in claim 1, wherein the top of the first rectification column (5) is connected to a first discharge pipe (51), and the other end of the first discharge pipe (51) is connected to a second rectification column (6) through a heat exchanger (4).
6. The polyoxyethylene nonylphenol ether rectification system as claimed in claim 1, wherein the top of the second rectification column (6) is connected with a second discharging pipe (61).
7. The polyoxyethylene nonylphenol ether rectification system as defined in claim 1, wherein the first rectification tower (5) is internally and uniformly provided with a first rectification plate; a second rectifying plate is uniformly arranged in the second rectifying tower (6); the temperature in the second rectifying tower is not less than the temperature in the first rectifying tower.
8. The polyoxyethylene nonylphenol ether rectification system as claimed in claim 1, wherein the material storage tank (1) is used for storing polyoxyethylene nonylphenol ether; the conveying pump (2) is used for conveying the polyoxyethylene nonylphenol ether; the heating evaporator (3) is used for heating the polyoxyethylene nonylphenol ether to remove water in the materials; the heat exchanger (4) is used for exchanging heat for the polyoxyethylene nonylphenol ether; the first rectifying tower (5) is used for carrying out preliminary rectification on the polyoxyethylene nonyl phenyl ether; the second rectifying tower (6) is used for carrying out secondary rectification on the polyoxyethylene nonyl phenyl ether.
9. A rectification method of a polyoxyethylene nonylphenol ether rectification system as set forth in any one of claims 1 to 8, characterized by comprising the steps of:
1) Selecting a user client, connecting the user client with a nonylphenol polyoxyethylene ether rectification system (100), inputting model information of the nonylphenol polyoxyethylene ether rectification system to the user client through an input module, and determining flow velocity information and temperature information of nonylphenol polyoxyethylene ether materials in the nonylphenol polyoxyethylene ether rectification system;
2) After the user confirms, the flow rate information and the temperature information are sent to a nonylphenol polyoxyethylene ether rectification system (100) through an information sending module;
3) Starting a conveying pump (2) and a heating evaporator (3) in the polyoxyethylene nonylphenol ether rectification system, conveying polyoxyethylene nonylphenol ether materials in a polyoxyethylene nonylphenol ether material storage tank into the heating evaporator (3) for heating by the conveying pump according to flow velocity information, heating the polyoxyethylene nonylphenol ether materials by the heating evaporator (3) according to temperature information, and receiving real-time flow velocity and real-time temperature of the polyoxyethylene nonylphenol ether materials by a user client through an information receiving module;
4) Conveying the heated nonylphenol polyoxyethylene ether material into a first rectifying tower (5) through a heat exchanger (4) for preliminary rectification, and receiving the real-time temperature of the preliminarily rectified nonylphenol polyoxyethylene ether material by a user client through an information receiving module;
5) The primarily rectified nonylphenol polyoxyethylene ether material is subjected to heat exchange with unheated nonylphenol polyoxyethylene ether material through a heat exchanger (4), the nonylphenol polyoxyethylene ether material after heat exchange is conveyed into a first rectifying tower (5) for primary rectification, a user client receives the real-time temperature of the nonylphenol polyoxyethylene ether material after heat exchange through an information receiving module, and the use state of a heating evaporator (3) is controlled through a control module according to the real-time temperature of the nonylphenol polyoxyethylene ether material after heat exchange;
6) And conveying the primarily rectified nonylphenol polyoxyethylene ether material into a second rectifying tower (6) for secondary rectification, detecting the secondarily rectified nonylphenol polyoxyethylene ether material by a detection module, discharging and collecting the secondarily rectified nonylphenol polyoxyethylene ether material, and receiving detection information of the detection module by a user client through an information receiving module.
10. The rectification method of a polyoxyethylene nonylphenol ether rectification system as claimed in claim 9, wherein the user client is a computer, and the connection mode between the user client and the polyoxyethylene nonylphenol ether rectification system comprises at least one of data line connection and wireless communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310736376.8A CN116531788A (en) | 2023-06-20 | 2023-06-20 | Nonylphenol polyoxyethylene ether rectification system and rectification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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