CN220572735U - Efficient trimethylolpropane dehydration system - Google Patents
Efficient trimethylolpropane dehydration system Download PDFInfo
- Publication number
- CN220572735U CN220572735U CN202321905735.XU CN202321905735U CN220572735U CN 220572735 U CN220572735 U CN 220572735U CN 202321905735 U CN202321905735 U CN 202321905735U CN 220572735 U CN220572735 U CN 220572735U
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- China
- Prior art keywords
- pipe
- trimethylolpropane
- tank
- communicates
- conveying pipeline
- Prior art date
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- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 230000018044 dehydration Effects 0.000 title claims description 12
- 238000006297 dehydration reaction Methods 0.000 title claims description 12
- 239000000706 filtrate Substances 0.000 claims abstract description 31
- 238000000605 extraction Methods 0.000 claims abstract description 21
- 238000004062 sedimentation Methods 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 21
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 13
- 238000000926 separation method Methods 0.000 abstract description 12
- 239000000047 product Substances 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 150000002500 ions Chemical class 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- WMYINDVYGQKYMI-UHFFFAOYSA-N 2-[2,2-bis(hydroxymethyl)butoxymethyl]-2-ethylpropane-1,3-diol Chemical compound CCC(CO)(CO)COCC(CC)(CO)CO WMYINDVYGQKYMI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- UNMJLQGKEDTEKJ-UHFFFAOYSA-N (3-ethyloxetan-3-yl)methanol Chemical compound CCC1(CO)COC1 UNMJLQGKEDTEKJ-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 239000006077 pvc stabilizer Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model provides a high-efficient dewatering system of trimethylolpropane, includes sedimentation tank, pressurization room, centrifuge, raffinate phase filtrate tank and extract phase filtrate tank, and the top of sedimentation tank communicates the raw material pipe, and the bottom of sedimentation tank communicates there is first conveying pipeline, the other end of first conveying pipeline communicates the pressurization room, and the bottom of pressurization room communicates the second conveying pipeline, the other end of second conveying pipeline communicates the feed inlet of centrifuge, and the discharge gate of centrifuge communicates first discharging pipe and second discharging pipe, the other end of first discharging pipe communicates raffinate phase filtrate tank, the other end of second discharging pipe communicates extract phase filtrate tank; according to the utility model, the extraction liquid is settled by the settling tank, so that most of the extraction phase and the raffinate phase are separated, and the extraction liquid is separated for the second time by the centrifugal machine, so that the separation effect of the extraction liquid is improved and the quality of a finished product is improved.
Description
Technical Field
The utility model belongs to the technical field of chemical refining devices, and particularly relates to a high-efficiency trimethylolpropane dehydration system.
Background
Trimethylolpropane is a high added value chemical and can be used for producing products such as photo-curing materials, cosmetics, PVC stabilizers, lubricating oil, defoamers, photosensitive materials and the like. Typically trimethylolpropane is a byproduct of the ditrimethylolpropane condensation reaction, enriched in ditrimethylolpropane heavies. Since the trimethylolpropane heavy component contains a large amount of impurities such as trimethylolpropane cyclic formal, trimethylolpropane oxetane, colored tar and the like. This makes extraction of trimethylolpropane difficult.
At present, the domestic trimethylolpropane production process route mainly comprises a sodium method and a calcium method, and because of the existence of salt in reactants, the separation is difficult, and great adverse factors are brought to the stable operation of procedures such as extraction, rectification and the like, thereby influencing the product quality.
Disclosure of Invention
In view of the technical problems existing in the background technology, the utility model provides the efficient trimethylolpropane dehydration system, which is characterized in that an extraction liquid is settled through a settling tank, so that most of an extraction phase and a raffinate phase are separated, and then the extraction liquid is separated for the second time through a centrifugal machine, thereby improving the separation effect of the extraction liquid and improving the quality of finished products.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a high-efficient dewatering system of trimethylolpropane, includes sedimentation tank, compression chamber, centrifuge, raffinate looks filtrate tank and extract looks filtrate tank, and the top intercommunication raw material pipe of sedimentation tank, the bottom intercommunication of sedimentation tank has first conveying pipeline, the other end intercommunication compression chamber of first conveying pipeline, the bottom intercommunication second conveying pipeline of compression chamber, the feed inlet of centrifuge is linked together to the other end of second conveying pipeline, and the discharge gate of centrifuge communicates first discharging pipe and second discharging pipe, the other end intercommunication raffinate looks filtrate tank of first discharging pipe, the other end intercommunication extract looks filtrate tank of second discharging pipe.
In the preferred scheme, be equipped with the delivery pump on the first conveying pipeline, be equipped with the delivery valve on the second conveying pipeline.
In a preferred embodiment, the side wall of the sedimentation tank is provided with an observation window.
In a preferred scheme, the top of the pressurizing chamber is communicated with a pressurizing air pipe.
In a preferred scheme, an ion detector is arranged in the extraction phase filtrate tank.
In the preferred scheme, the bottom of extract phase filtrate tank is connected with the back flow, be provided with the backwash pump on the back flow.
In the preferred scheme, the top of centrifuge is provided with the three-way valve, three-way valve entrance point intercommunication second conveying pipeline and back flow, three-way valve exit end passes through the feed inlet of filling pipe intercommunication centrifuge.
The following beneficial effects can be achieved in this patent:
1. the system can separate the trimethylolpropane for multiple times through the cooperative work of the sedimentation tank and the centrifugal machine, and effectively improves the quality of finished products;
2. the system can quickly separate the water in the trimethylolpropane extract liquid through the centrifuge, the whole chemical components of the extract liquid can not be broken in the whole process, and the dehydration rate is high;
3. the system can automatically detect the ion content in the finished product through the ion detector, once the ion content does not reach the standard content, the extraction liquid can be separated for the second time through the return pipe, and the quality of the finished product is ensured.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a block diagram of a system of the present utility model;
FIG. 2 is a diagram of a second system configuration of the present utility model;
FIG. 3 is an enlarged schematic view of the components in the filtrate tank of the present utility model.
In the figure: the device comprises a raw material pipe 1, a sedimentation tank 2, a first material conveying pipe 3, a pressurizing chamber 4, a second material conveying pipe 5, a material conveying valve 6, a centrifugal machine 7, a material filling pipe 8, a raffinate phase filtrate tank 9, an extract phase filtrate tank 10, a first material discharging pipe 11, a second material discharging pipe 12, a backflow pipe 13, a pressurizing air pipe 14, an observation window 15, a material conveying pump 16, a three-way valve 17, a backflow pump 18 and an ion detector 19.
Detailed Description
As shown in fig. 1 and 2, the trimethylolpropane high-efficiency dehydration system comprises a sedimentation tank 2, a pressurizing chamber 4, a centrifugal machine 7, a raffinate filtrate tank 9 and an extract filtrate tank 10, wherein the upper part of the sedimentation tank 2 is communicated with a raw material pipe 1, the bottom of the sedimentation tank 2 is communicated with a first material conveying pipe 3, the other end of the first material conveying pipe 3 is communicated with the pressurizing chamber 4, the bottom of the pressurizing chamber 4 is communicated with a second material conveying pipe 5, the other end of the second material conveying pipe 5 is communicated with a feed inlet of the centrifugal machine 7, a discharge outlet of the centrifugal machine 7 is communicated with a first discharge pipe 11 and a second discharge pipe 12, the other end of the first discharge pipe 11 is communicated with the raffinate filtrate tank 9, and the other end of the second discharge pipe 12 is communicated with the extract filtrate tank 10;
when the system works, trimethylol propane extract is injected into a sedimentation tank 2 through a feed pipe 1 for preliminary sedimentation, so that most of extract phases and raffinate phases in the trimethylol propane extract are separated, the extract liquor after preliminary separation is conveyed into a centrifugal machine 7 through a first conveying pipe 3 and a second conveying pipe 5, the centrifugal machine 7 adopts a butterfly type centrifugal machine, the extract liquor is subjected to secondary separation by utilizing the principle that each component density in the suspension emulsion is rapidly settled and separated in a centrifugal force field, extract phase filtrate after the secondary separation is injected into an extract phase filtrate tank 10 through a second discharge pipe 12, and raffinate phase filtrate after the secondary separation is injected into a raffinate phase filtrate tank 9 through a first discharge pipe 11.
The preferable scheme is as shown in fig. 1 and 2, a material conveying pump 16 is arranged on the first material conveying pipe 3, and a material conveying valve 6 is arranged on the second material conveying pipe 5 and used for controlling the on-off of raw materials and providing power for the conveying of the raw materials.
The preferred embodiment is shown in fig. 1 and 2, wherein the side wall of the sedimentation tank 2 is provided with an observation window 15 for observing the separation degree of the extraction liquid in the sedimentation tank 2.
The top of the pressurizing chamber 4 is communicated with a pressurizing air pipe 14 as shown in fig. 1 and 2, and inert gas is injected into the pressurizing chamber 4 through the pressurizing air pipe 14 in the working process of the system, so that chemical components of the extraction liquid can be effectively protected, in addition, the pressurizing air pipe 14 can raise the air pressure in the pressurizing chamber 4, provide conveying kinetic energy for subsequent conveying of the extraction liquid, and avoid additionally arranging a conveying pump on the second conveying pipe 5; the extraction liquid can be sprayed into the centrifugal machine 7 at a high speed by pressurization, so that the initial kinetic energy of the centrifugal machine 7 during separation is improved, and the separation effect of the centrifugal machine 7 is further improved.
As shown in fig. 1 and 2, an ion detector 19 is arranged in the extraction phase filtrate tank 10; the bottom of the extraction phase filtrate tank 10 is communicated with a return pipe 13, and a return pump 18 is arranged on the return pipe 13; a three-way valve 17 is arranged above the centrifugal machine 7, the inlet end of the three-way valve 17 is communicated with the second conveying pipe 5 and the return pipe 13, and the outlet end of the three-way valve 17 is communicated with the feed inlet of the centrifugal machine 7 through a feed injection pipe 8;
the extract phase filtrate after secondary separation is injected into the extract phase filtrate tank 10 through the second discharging pipe 12, the ion detector 19 can monitor the ion concentration in the extract phase filtrate tank 10 in real time, and when the ion concentration is higher than the standard value (usually 300 ppm), the reflux pipe 13 and the reflux pump 18 can re-inject the extract phase filtrate into the centrifugal machine 7 for multiple separation until the production requirement is met, so as to ensure the quality of the finished product.
The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (7)
1. The utility model provides a high-efficient dewatering system of trimethylolpropane, includes sedimentation tank (2), pressurization room (4), centrifuge (7), raffinate phase filtrate tank (9) and extract phase filtrate tank (10), its characterized in that: the top intercommunication feed pipe (1) of sedimentation tank (2), the bottom intercommunication of sedimentation tank (2) has first conveying pipeline (3), the other end intercommunication pressurization room (4) of first conveying pipeline (3), the bottom intercommunication second conveying pipeline (5) of pressurization room (4), the feed inlet of centrifuge (7) is linked to the other end of second conveying pipeline (5), the discharge gate of centrifuge (7) communicates first discharging pipe (11) and second discharging pipe (12), the other end intercommunication raffinate looks filter tank (9) of first discharging pipe (11), the other end intercommunication extraction looks filter tank (10) of second discharging pipe (12).
2. The trimethylolpropane efficient dehydration system according to claim 1, wherein: the first material conveying pipe (3) is provided with a material conveying pump (16), and the second material conveying pipe (5) is provided with a material conveying valve (6).
3. The trimethylolpropane efficient dehydration system according to claim 1, wherein: an observation window (15) is arranged on the side wall of the sedimentation tank (2).
4. The trimethylolpropane efficient dehydration system according to claim 1, wherein: the top of the pressurizing chamber (4) is communicated with a pressurizing air pipe (14).
5. The trimethylolpropane efficient dehydration system according to claim 1, wherein: an ion detector (19) is arranged in the extraction phase filtrate tank (10).
6. The trimethylolpropane efficient dehydration system according to claim 5, wherein: the bottom of the extraction phase filtrate tank (10) is communicated with a return pipe (13), and a return pump (18) is arranged on the return pipe (13).
7. The trimethylolpropane efficient dehydration system according to claim 6, wherein: the upper part of the centrifugal machine (7) is provided with a three-way valve (17), the inlet end of the three-way valve (17) is communicated with the second conveying pipe (5) and the return pipe (13), and the outlet end of the three-way valve (17) is communicated with the feed inlet of the centrifugal machine (7) through the injection pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321905735.XU CN220572735U (en) | 2023-07-19 | 2023-07-19 | Efficient trimethylolpropane dehydration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321905735.XU CN220572735U (en) | 2023-07-19 | 2023-07-19 | Efficient trimethylolpropane dehydration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220572735U true CN220572735U (en) | 2024-03-12 |
Family
ID=90113509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321905735.XU Active CN220572735U (en) | 2023-07-19 | 2023-07-19 | Efficient trimethylolpropane dehydration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220572735U (en) |
-
2023
- 2023-07-19 CN CN202321905735.XU patent/CN220572735U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |