CN218609328U - Chloropropanol recovery device of propylene oxide device - Google Patents
Chloropropanol recovery device of propylene oxide device Download PDFInfo
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- CN218609328U CN218609328U CN202223155761.3U CN202223155761U CN218609328U CN 218609328 U CN218609328 U CN 218609328U CN 202223155761 U CN202223155761 U CN 202223155761U CN 218609328 U CN218609328 U CN 218609328U
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- tank
- chloropropanol
- dichloropropane
- pipeline
- storage tank
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- RZWHKKIXMPLQEM-UHFFFAOYSA-N 1-chloropropan-1-ol Chemical compound CCC(O)Cl RZWHKKIXMPLQEM-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000011084 recovery Methods 0.000 title claims abstract description 27
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 title claims abstract description 18
- KNKRKFALVUDBJE-UHFFFAOYSA-N 1,2-dichloropropane Chemical compound CC(Cl)CCl KNKRKFALVUDBJE-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000000926 separation method Methods 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000000376 reactant Substances 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 13
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 10
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 230000003472 neutralizing effect Effects 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- SNMVRZFUUCLYTO-UHFFFAOYSA-N n-propyl chloride Chemical compound CCCCl SNMVRZFUUCLYTO-UHFFFAOYSA-N 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 22
- 238000010586 diagram Methods 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- XEPXTKKIWBPAEG-UHFFFAOYSA-N 1,1-dichloropropan-1-ol Chemical compound CCC(O)(Cl)Cl XEPXTKKIWBPAEG-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to an epoxy propane device chloropropanol recovery unit. The technical scheme is as follows: an outlet of the chloropropanol reactant storage tank is connected to an HCL separation tank through a pipeline, the upper side of the HCL separation tank is connected to a tube side inlet of a tail gas cooler through a pipeline, and a tube side outlet of the tail gas cooler is connected to a recovery tank through a pipeline; the lower end of the HCL separation tank is connected to a dichloropropane separation tank through a pipeline, the top of the dichloropropane separation tank is connected with a water storage tank, the upper side line of the dichloropropane separation tank is connected to a dichloropropane storage tank through a pipeline, and the bottom of the dichloropropane separation tank is connected to a chloropropanol storage tank through a pipeline. The beneficial effects are that: the utility model adopts the dichloropropane separating tank to send the dichloropropane solution on the upper layer into the dichloropropane storage tank, and send the chloropropanol solution and water on the lower layer into the chloropropanol storage tank; in addition, the upper part of the HCL separation tank is connected with a tail gas cooler, and the gaseous chloropropanol and the gaseous chloropropane are recovered and treated, so that the pollution to the environment is reduced.
Description
Technical Field
The utility model relates to a propylene oxide apparatus for producing, in particular to propylene oxide device chloropropanol recovery unit.
Background
Along with the rapid development of industries such as polyether polyol, propylene glycol and various nonionic surfactants, the demand of the industries for propylene oxide is higher and higher, the current utilization requirement of chloropropanol is higher and higher, along with the requirement of environmental protection, the loss of chloropropanol in a system is reduced, and the requirement of reducing the probability of chloropropanol appearing in the environment is higher and higher.
Chloropropanol is produced in chlorohydrination reaction, mainly from chlorine, propylene and water, by reacting chlorine with water to produce hypochlorous acid, further reacting with propylene to produce chloropropanol, and then saponifying chloropropanol with calcium hydroxide to produce propylene oxide. However, in the whole chlorohydrination reaction process, side reaction for producing dichloropropane exists, and the reduction of chloropropanol loss during dichloropropane separation is particularly important.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an epoxy propane device chloropropanol recovery unit to the above-mentioned defect that prior art exists, for the chloropropanol that chloropropanol content and circulation gas system took away in reducing dichloropropane, separating dichloropropane department and increasing overflow line and setting up the boundary position meter, separate the material, increase the companion heat at circulation gas system simultaneously, reduce the material discharge of circulation gas system condensation, get into the waste water, be favorable to the recycle of chloropropanol.
The utility model provides a chloropropanol recovery unit of propylene oxide device, its technical scheme is: the device comprises a tail gas cooler (HE 8402), an HCL separating tank (VE 8402), a dichloropropane separating tank (VE 8403), a dichloropropane storage tank (C002), a chloropropanol storage tank (C003), a recovery tank (C004), a cold water inlet pipe (LS 001) and a cold water outlet pipe (LS 002), wherein the output end of a propylene separator (BE) is connected with the chloropropanol reactant storage tank (C001), the outlet of the chloropropanol reactant storage tank (C001) is connected to the HCL separating tank (VE 8402) through a pipeline, the upper side of the HCL separating tank (VE 8402) is connected to the pipe pass inlet of the tail gas cooler (HE 8402) through a pipeline, the pipe pass outlet of the tail gas cooler (HE 8402) is connected to the recovery tank (C004) through a pipeline, the shell pass inlet of the tail gas cooler (HE 8402) is connected to the cold water inlet pipe (LS 001), and the shell pass outlet of the tail gas cooler (HE 8402) is connected to the cold water outlet pipe (LS 002); the lower end of the HCL separation tank (VE 8402) is connected to a dichloropropane separation tank (VE 8403) through a pipeline, the top of the dichloropropane separation tank (VE 8403) is connected with a water storage tank (C005), the upper side line of the dichloropropane separation tank (VE 8403) is connected to a dichloropropane storage tank (C002) through a pipeline, and the bottom of the dichloropropane separation tank (VE 8403) is connected to a chloropropanol storage tank (C003) through a pipeline.
Preferably, a limit level meter (LG) is provided on one side of the dichloropropane separation tank (VE 8403).
Preferably, the bottom of the dichloropropane separating tank (VE 8403) is connected to the middle part of the inner cavity of a separating small tank (VE 8404) through a pipeline, and the bottom of the separating small tank (VE 8404) is connected to a chloropropanol storage tank (C003) through a pipeline.
Preferably, the top of the HCL separating tank (VE 8402) is provided with an HCL neutralizing agent addition port (a 1).
Preferably, the dichloropropane separation tank (VE 8403) comprises a tank body (b 1), a motor (b 2), a stirring shaft (b 3), an upper stirring rod (b 4), a lower stirring rod (b 5), a feeding pipe (b 6), a water inlet pipe (b 7), a lower liquid outlet pipe (b 8) and a side liquid outlet pipe (b 9), wherein the motor (b 2) is arranged at the top of the tank body (b 1), an output shaft of the motor (b 2) is connected with the stirring shaft (b 3), the stirring shaft (b 3) is arranged in an inner cavity of the tank body, a plurality of obliquely arranged upper stirring rods (b 4) are arranged at the upper part of the stirring shaft (b 3), and a transversely arranged lower stirring rod (b 5) is arranged at the bottom; the top of the tank body (b 1) is also provided with an inlet pipe (b 6) and an inlet pipe (b 7), the bottom of the tank body (b 1) is provided with a lower liquid outlet pipe (b 8), and the upper side of the tank body (b 1) is provided with a side liquid outlet pipe (b 9).
Preferably, the outer wall of the tank body (b 1) is provided with a boundary meter upper interface (b 10) and a boundary meter lower interface (b 11), the upper end of the boundary meter (LG) is connected with the boundary meter upper interface (b 10), and the lower end of the boundary meter (LG) is connected with the boundary meter lower interface (b 11).
Preferably, the two ends of the lower stirring rod (b 5) are provided with extending claws (b 5.1) which extend upwards.
The beneficial effects of the utility model are that: the utility model removes hydrogen chloride through the HCL separating tank, the bottom of the HCL separating tank is connected to the dichloropropane separating tank through a pipeline, the dichloropropane separating tank dissolves chloropropanol through water according to the extraction principle, and then precipitates on the lower layer, the upper layer is dichloropropane, after a certain time, the dichloropropane solution on the upper layer is sent into the dichloropropane storage tank, and the chloropropanol solution on the lower layer and water are sent into the chloropropanol storage tank; in addition, the upper part of the HCL separation tank is connected with a tail gas cooler to cool the chloropropanol and the dichloropropane in the gas state, and then the chloropropanol and the dichloropropane are sent to a recovery pool (C004) to reduce the pollution to the environment.
Drawings
Fig. 1 is a schematic connection diagram of embodiment 1 of the present invention;
fig. 2 is a schematic connection diagram of embodiment 2 of the present invention;
FIG. 3 is a schematic diagram of the structure of a dichloropropane separation tank;
in the upper diagram: the device comprises a tail gas cooler HE8402, an HCL separation tank VE8402, a dichloropropane separation tank VE8403, a boundary meter LG, a separation small tank VE8404, a chloropropanol reactant storage tank C001, a dichloropropane storage tank C002, a chloropropanol storage tank C003, a recovery tank C004, a water storage tank C005, a cold water inlet pipe LS001, a cold water outlet pipe LS002, a chlorohydrination reactor AE8401, a propylene separator BE8401 and a HCL neutralization reagent adding port a1, a tank body b1, a motor b2, a stirring shaft b3, an upper stirring rod b4, a lower stirring rod b5, a feeding pipe b6, a water inlet pipe b7, a lower liquid outlet pipe b8, a side liquid outlet pipe b9, a boundary meter upper interface b10 and a boundary meter lower interface b11.
Detailed Description
The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.
Embodiment 1, referring to fig. 1, the utility model provides an epoxy propane device chloropropanol recovery unit, including tail gas cooler HE8402, HCL knockout drum VE8402, dichloropropane knockout drum VE8403, dichloropropane storage tank C002, chloropropanol storage tank C003, recovery pond C004, cold water inlet pipe LS001, cold water outlet pipe LS002, chloropropanol reactant storage tank C001 is connected to the output of propylene separator BE, the export of chloropropanol reactant storage tank C001 is connected to HCL knockout drum VE 02 through the pipeline, the upside of HCL knockout drum VE8402 is connected to the tube side inlet of tail gas cooler HE8402 through the pipeline, the tube side outlet of tail gas cooler HE8402 is connected to recovery pond C004 through the pipeline, the shell side inlet of tail gas cooler HE8402 is connected to cold water inlet pipe LS001, the shell side outlet of tail gas cooler HE8402 is connected to cold water outlet pipe LS002; the lower end of the HCL separation tank VE8402 is connected to a dichloropropane separation tank VE8403 through a pipeline, the top of the dichloropropane separation tank VE8403 is connected with a water storage tank C005, the upper side line of the dichloropropane separation tank VE8403 is connected to a dichloropropane storage tank C002 through a pipeline, and the bottom of the dichloropropane separation tank VE8403 is connected to a chloropropanol storage tank C003 through a pipeline.
Wherein, one side of the dichloropropane knockout drum VE8403 is provided with a boundary gauge LG, which is convenient for observing the separation condition in the dichloropropane knockout drum.
Preferably, the top of the HCL separating tank VE8402 is provided with an HCL neutralizing agent adding port a1, and an alkali solution such as ammonia water is dropped into the HCL separating tank VE8402 through the HCL neutralizing agent adding port a1, so that HCL in chloropropanol reactant is subjected to a neutralization reaction, and removal of hydrogen chloride is achieved.
In addition, the utility model discloses a HCL knockout drum VE8402 adopt conventional knockout drum.
Referring to fig. 3, the dichloropropane separation tank VE8403 mentioned in the present invention includes a tank body b1, a motor b2, a stirring shaft b3, an upper stirring rod b4, a lower stirring rod b5, a feeding pipe b6, a water inlet pipe b7, a lower liquid outlet pipe b8, and a side liquid outlet pipe b9, wherein the top of the tank body b1 is provided with the motor b2, an output shaft of the motor b2 is connected with a stirring shaft b3, the stirring shaft b3 is disposed in an inner cavity of the tank body, the upper portion of the stirring shaft b3 is provided with a plurality of obliquely disposed upper stirring rods b4, and the bottom is provided with a transversely disposed lower stirring rod b5; jar body b 1's top still is equipped with inlet pipe b6 and inlet tube b7, jar body b 1's bottom be equipped with down drain pipe b8, jar body b 1's upside is equipped with side outlet pipe b9.
The outer wall of the tank body b1 is provided with a boundary meter upper interface b10 and a boundary meter lower interface b11, the upper end of the boundary meter LG is connected with the boundary meter upper interface b10, and the lower end of the boundary meter LG is connected with the boundary meter lower interface b11.
Preferably, the lower stirring rod b5 is provided at both ends thereof with extension claws b5.1 protruding upward.
The utility model discloses during the use, through chlorohydrination reactor AE8401, chlorine at first reacts with water, generate HCL and HCLO, HCLO further reacts with propylene, generate chloropropanol, the side reaction product is dichloropropane, then send into propylene separator BE8401, the mixture after the separation propylene is sent into chloropropanol reactant storage tank C001 and keeps in temporarily, then send it into HCL knockout drum VE8402 again, through HCL neutralization reagent addition mouth a1 dropwise add alkali lye such as aqueous ammonia in HCL knockout drum VE8402, thereby carry out neutralization reaction to HCL in the reactant chloropropanol reactant, thereby realized getting rid of hydrogen chloride, because chloropropanol and the dichloropropanol of gaseous form still exist in the reactant, so, the upper portion of HCL knockout drum VE8402 is connected to tail gas cooler HE8402 through the pipeline and is cooled, then, send into recovery pond C004 again, reduce the pollution to the environment; the bottom of the HCL separation tank VE8402 is connected to a dichloropropane separation tank VE8403 through a pipeline, water is injected into the dichloropropane separation tank VE8403 through the extraction principle, chloropropanol is dissolved by the water and then precipitated on the lower layer, dichloropropane is arranged on the upper layer, the dichloropropane solution on the upper layer is sent to a dichloropropane storage tank C002 after a certain time, and the chloropropanol solution on the lower layer and the water are sent to a chloropropanol storage tank C003.
Embodiment 2, referring to fig. 2, the utility model provides an epoxy propane device chloropropanol recovery unit, including tail gas cooler HE8402, HCL knockout drum VE8402, dichloropropane knockout drum VE8403, dichloropropane storage tank C002, chloropropanol storage tank C003, recovery pond C004, cold water inlet pipe LS001, cold water outlet pipe LS002, chloropropanol reactant storage tank C001 is connected to the output of propylene separator BE, the export of chloropropanol reactant storage tank C001 is connected to HCL knockout drum VE 02 through the pipeline, the upside of HCL knockout drum VE8402 is connected to the tube side inlet of tail gas cooler HE8402 through the pipeline, the tube side outlet of tail gas cooler HE8402 is connected to recovery pond C004 through the pipeline, the shell side inlet of tail gas cooler HE8402 is connected to cold water inlet pipe LS001, the shell side outlet of tail gas cooler HE8402 is connected to cold water outlet pipe LS002; the lower end of the HCL separation tank VE8402 is connected to a dichloropropane separation tank VE8403 through a pipeline, the top of the dichloropropane separation tank VE8403 is connected with a water storage tank C005, the upper side line of the dichloropropane separation tank VE8403 is connected to a dichloropropane storage tank C002 through a pipeline, and the bottom of the dichloropropane separation tank VE8403 is connected to a chloropropanol storage tank C003 through a pipeline.
The difference from the embodiment 1 is that:
the bottom of the dichloropropane separation tank VE8403 is connected to the middle part of an inner cavity of a separation small tank VE8404 through a pipeline, the bottom of the separation small tank VE8404 is connected to a chloropropanol storage tank C003 through a pipeline, chloropropanol liquid dissolved by water can be separated again through the separation small tank VE8404, and the separation effect is improved.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent changes made according to the technical solution of the present invention belong to the scope of the present invention as far as possible.
Claims (7)
1. The chloropropanol recovery device of the propylene oxide device is characterized in that: the device comprises a tail gas cooler (HE 8402), an HCL separating tank (VE 8402), a dichloropropane separating tank (VE 8403), a dichloropropane storage tank (C002), a chloropropanol storage tank (C003), a recovery tank (C004), a cold water inlet pipe (LS 001) and a cold water outlet pipe (LS 002), wherein the output end of a propylene separator (BE) is connected with the chloropropanol reactant storage tank (C001), the outlet of the chloropropanol reactant storage tank (C001) is connected to the HCL separating tank (VE 8402) through a pipeline, the upper side of the HCL separating tank (VE 8402) is connected to the pipe pass inlet of the tail gas cooler (HE 8402) through a pipeline, the pipe pass outlet of the tail gas cooler (HE 8402) is connected to the recovery tank (C004) through a pipeline, the shell pass inlet of the tail gas cooler (HE 8402) is connected to the cold water inlet pipe (LS 001), and the shell pass outlet of the tail gas cooler (HE 8402) is connected to the cold water outlet pipe (LS 002); the lower end of the HCL separation tank (VE 8402) is connected to a dichloropropane separation tank (VE 8403) through a pipeline, the top of the dichloropropane separation tank (VE 8403) is connected with a water storage tank (C005), the upper side line of the dichloropropane separation tank (VE 8403) is connected to a dichloropropane storage tank (C002) through a pipeline, and the bottom of the dichloropropane separation tank (VE 8403) is connected to a chloropropanol storage tank (C003) through a pipeline.
2. The propylene oxide plant chloropropanol recovery device of claim 1, which is characterized in that: and a boundary gauge (LG) is arranged on one side of the dichloropropane separation tank (VE 8403).
3. The propylene oxide plant chloropropanol recovery device of claim 2, which is characterized in that: the bottom of the dichloropropane separation tank (VE 8403) is connected to the middle part of the inner cavity of the small separation tank (VE 8404) through a pipeline, and the bottom of the small separation tank (VE 8404) is connected to the chloropropanol storage tank (C003) through a pipeline.
4. The propylene oxide plant chloropropanol recovery device of claim 3, which is characterized in that: the top of the HCL separation tank (VE 8402) is provided with an HCL neutralizing agent adding port (a 1).
5. The propylene oxide plant chloropropanol recovery device of claim 4, characterized in that: the dichloropropane separation tank (VE 8403) comprises a tank body (b 1), a motor (b 2), a stirring shaft (b 3), an upper stirring rod (b 4), a lower stirring rod (b 5), a feeding pipe (b 6), a water inlet pipe (b 7), a lower liquid outlet pipe (b 8) and a side liquid outlet pipe (b 9), wherein the motor (b 2) is arranged at the top of the tank body (b 1), an output shaft of the motor (b 2) is connected with the stirring shaft (b 3), the stirring shaft (b 3) is arranged in an inner cavity of the tank body, a plurality of obliquely arranged upper stirring rods (b 4) are arranged at the upper part of the stirring shaft (b 3), and a transversely arranged lower stirring rod (b 5) is arranged at the bottom of the stirring shaft (b 3); the top of the tank body (b 1) is also provided with an inlet pipe (b 6) and an inlet pipe (b 7), the bottom of the tank body (b 1) is provided with a lower liquid outlet pipe (b 8), and the upper side of the tank body (b 1) is provided with a side liquid outlet pipe (b 9).
6. The propylene oxide plant chloropropanol recovery device of claim 5, which is characterized in that: the outer wall of the tank body (b 1) is provided with a boundary position meter upper interface (b 10) and a boundary position meter lower interface (b 11), the upper end of the boundary position meter (LG) is connected with the boundary position meter upper interface (b 10), and the lower end of the boundary position meter (LG) is connected with the boundary position meter lower interface (b 11).
7. The propylene oxide plant chloropropanol recovery device of claim 5, which is characterized in that: and extension claws (b 5.1) extending upwards are arranged at two ends of the lower stirring rod (b 5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223155761.3U CN218609328U (en) | 2022-11-28 | 2022-11-28 | Chloropropanol recovery device of propylene oxide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223155761.3U CN218609328U (en) | 2022-11-28 | 2022-11-28 | Chloropropanol recovery device of propylene oxide device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218609328U true CN218609328U (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223155761.3U Active CN218609328U (en) | 2022-11-28 | 2022-11-28 | Chloropropanol recovery device of propylene oxide device |
Country Status (1)
| Country | Link |
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| CN (1) | CN218609328U (en) |
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- 2022-11-28 CN CN202223155761.3U patent/CN218609328U/en active Active
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Address after: 198 Tongxing Road, Kenli District, Dongying City, Shandong Province Patentee after: Shenghua new energy technology (Dongying) Co.,Ltd. Country or region after: China Patentee after: Shi Dashenghua New Materials Group Co.,Ltd. Address before: 198 Tongxing Road, Kenli District, Dongying City, Shandong Province Patentee before: Shenghua new energy technology (Dongying) Co.,Ltd. Country or region before: China Patentee before: Shenghua New Material Group Co.,Ltd. |