CN221334176U - Preparation device for p-hydroxyacetophenone - Google Patents
Preparation device for p-hydroxyacetophenone Download PDFInfo
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- CN221334176U CN221334176U CN202323229366.XU CN202323229366U CN221334176U CN 221334176 U CN221334176 U CN 221334176U CN 202323229366 U CN202323229366 U CN 202323229366U CN 221334176 U CN221334176 U CN 221334176U
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- tank
- water
- jacket
- water return
- exhaust pipe
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- TXFPEBPIARQUIG-UHFFFAOYSA-N 4'-hydroxyacetophenone Chemical compound CC(=O)C1=CC=C(O)C=C1 TXFPEBPIARQUIG-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 238000010438 heat treatment Methods 0.000 claims abstract description 66
- 239000011229 interlayer Substances 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- PLRXBMPPQBKJQV-UHFFFAOYSA-N 1,3-bis(4-hydroxyphenyl)propan-2-one Chemical compound C1=CC(O)=CC=C1CC(=O)CC1=CC=C(O)C=C1 PLRXBMPPQBKJQV-UHFFFAOYSA-N 0.000 description 2
- MVNVIVWSAFEIII-UHFFFAOYSA-N 1-(4-hydroxyphenyl)ethanone Chemical compound CC(=O)C1=CC=C(O)C=C1.CC(=O)C1=CC=C(O)C=C1 MVNVIVWSAFEIII-UHFFFAOYSA-N 0.000 description 2
- 229940073735 4-hydroxy acetophenone Drugs 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000208327 Apocynaceae Species 0.000 description 1
- 235000008658 Artemisia capillaris Nutrition 0.000 description 1
- 241000092668 Artemisia capillaris Species 0.000 description 1
- 235000003069 Artemisia scoparia Nutrition 0.000 description 1
- 241001249148 Artemisia scoparia Species 0.000 description 1
- 241000208838 Asteraceae Species 0.000 description 1
- 240000004371 Panax ginseng Species 0.000 description 1
- 235000002789 Panax ginseng Nutrition 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229940124571 cholagogue Drugs 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011978 dissolution method Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Abstract
A p-hydroxyacetophenone preparation apparatus, comprising: the heating tank is provided with a tank body and a tank cover, a jacket is arranged outside the tank body, and an exhaust port is arranged on the side wall of the tank body above the jacket; the bottom of the jacket is provided with a water supply port communicated with the interlayer, and the upper part of the jacket is provided with a water return port communicated with the interlayer; the tank cover is provided with a heating component which extends downwards into the tank body; the heating component is in communication connection with the controller; the water return tank is provided with a water inlet and a water outlet, the water outlet is connected with a water pump through a pipeline, the water pump is communicated with the water supply port through a pipeline, and the water inlet is communicated with the water return port through a pipeline; one end of the exhaust pipe is communicated with the exhaust port, the other end of the exhaust pipe stretches into the water return tank, and an exhaust hole is arranged on the exhaust pipe section stretching into the water return tank and used for carrying out heat exchange with water in the water tank. The heating efficiency can be improved, so that the productivity is improved, the heat loss is reduced, the energy utilization rate is improved, and the production cost is reduced.
Description
Technical Field
The utility model relates to the technical field of production of p-hydroxyacetophenone, in particular to a p-hydroxyacetophenone preparation device.
Background
P-hydroxyacetophenone (English name p-Hydroxyacetophenone) is also known as 4-hydroxyacetophenone (4-Hydroxyacetophenone), 4-acetylphenol (4-Acetylphenol), p-acetylphenol (p-Acetylphenol), 4-hydroxyphenylmethyl ketone (4-hydroxyphenyl methyl ketone), commonly known as spruce phenol (piceol). Naturally exists in the stems and leaves of the plants of the Compositae, the roots of the plants of the Artemisia scoparia, the Artemisia capillaris, the Asclepiadaceae, the Panax ginseng Wang et al. The crystal is white needle-shaped crystal at normal temperature, is easily dissolved in hot water, methanol, ethanol, diethyl ether, acetone and benzene, is difficult to dissolve in petroleum ether, is mainly used in the industrial fields of medicines, spices and the like, and is often used for preparing cholagogues and other raw materials for organic synthesis.
In the production, when the p-hydroxyacetophenone raw material is dissolved, the p-hydroxyacetophenone raw material needs to be mixed with a hot water-soluble organic solvent, and when the conventional dissolving device is used for dissolving the p-hydroxyacetophenone raw material, an esterification reaction is usually carried out by adopting a mode of heating the outside of the dissolving device, and then the operations of subsequent layering, washing with water, alkali washing, drying crystallization and the like are carried out. However, in this dissolution method, heat transfer is indirectly performed by the dissolution device, heating is slow, heat loss is large, and energy utilization rate is low.
Disclosure of utility model
Aiming at the problems and the defects in the prior art, the utility model provides a device for preparing p-hydroxyacetophenone. The purpose is to improve the heating speed of the p-hydroxyacetophenone dissolving device, reduce the heat loss and improve the energy utilization rate.
The technical scheme of the utility model is as follows:
A p-hydroxyacetophenone preparation device comprises a heating tank, a stirring mechanism, a heating assembly, a pressure gauge, a controller, an exhaust pipe, a temperature sensor, a water return tank and a water pump.
The heating tank is provided with a tank body and a tank cover, a jacket is arranged outside the tank body, an interlayer is formed between the jacket and the tank body, and an exhaust port is arranged on the side wall of the tank body above the jacket; the bottom of the jacket is provided with a water supply port communicated with the interlayer, and the upper part of the jacket is provided with a water return port communicated with the interlayer; the tank cover is provided with a heating component which extends downwards into the tank body; the heating component is in communication connection with the controller;
The water return tank is provided with a water inlet and a water outlet, the water outlet is connected with a water pump through a pipeline, the water pump is communicated with the water supply port through a pipeline, and the water inlet is communicated with the water return port through a pipeline;
One end of the exhaust pipe is communicated with the exhaust port, the other end of the exhaust pipe stretches into the water return tank, and an exhaust hole is arranged on the exhaust pipe section stretching into the water return tank and used for carrying out heat exchange with water in the water tank.
Specifically, the exhaust pipe penetrates into the water return tank from the side wall of the water return tank in a sealing manner and is horizontally arranged close to the bottom of the water return tank. The aperture of the vent hole is preferably 2-4mm. The exhaust holes are arranged at the bottom of the exhaust pipe and are uniformly distributed at intervals.
The heating tank is also internally provided with a pressure gauge which is fixed on the tank cover and is electrically connected with the controller.
The heating tank is also internally provided with a pressure gauge which is fixed on the tank cover and is electrically connected with the controller. The exhaust pipe is provided with an electric valve which is in communication connection with the controller. When the pressure in the heating tank is greater than the set pressure, the controller sends a control instruction to the electric valve to enable the electric valve to be in an open state, the exhaust pipe is communicated with the heating tank, high-temperature steam in the heating tank flows along the exhaust pipe and flows out of the exhaust hole to perform heat exchange with low-temperature water in the water return tank, water in the water return tank is heated, and heated water enters the jacket interlayer through the outlet of the water return tank through the pipeline and the water supply port and is heated or insulated along with the heating tank.
In order to separate the steam from the condensed water in the pipeline, a drain valve is arranged on the exhaust pipe.
The water return tank is internally provided with a temperature sensor and is in communication connection with the controller. When the water temperature in the water return tank reaches a set value, the electric valve of the water pump at the output end is controlled to be opened by the controller, and the high temperature water enters the interlayer of the jacket through the water pump and the pipeline.
Preferably, the outer side of the jacket is provided with an insulating layer made of a heat insulating material. The method is used for reducing the loss of hot water and improving the utilization rate of a heat source.
The heating tank is also internally provided with a stirring mechanism which is connected with the tank cover and extends downwards into the tank body, and the heating tank is provided with a stirring shaft and blades arranged on the stirring shaft. For uniformly mixing the solvent in the heating tank.
The beneficial effects of the utility model are as follows:
The heating component is arranged in the heating tank, and is in direct contact with the solvent instead of indirect heating, so that the heating efficiency is improved, and the productivity is improved; meanwhile, a jacket is arranged on the outer side of the heating tank to keep the heating tank warm, the water in the water return tank is heated by utilizing hot steam recovered from the heating tank, and the heating tank is heated by the heated water, so that the heat output of the heating assembly is reduced. The heat loss is reduced, the energy utilization rate is improved, and the production cost is reduced.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
1. a heating tank; 2. a stirring mechanism; 3. a heating assembly; 4. a pressure gauge; 5. a controller; 6. an exhaust pipe; 7. a temperature sensor; 8. a water return tank; 9. a water pump; 11. a jacket; 12. a water supply port; 13. a water return port; 14. an exhaust port; 81. a water outlet; 82. and a water inlet.
Detailed Description
The technical means adopted to achieve the intended purpose of the present utility model will be further described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1, the p-hydroxyacetophenone preparation device comprises a heating tank 1, a stirring mechanism 2, a heating assembly 3, a pressure gauge 4, a controller 5, an exhaust pipe 6, a temperature sensor 7, a water return tank 8 and a water pump 9.
The heating tank 1 comprises a tank body and a tank cover, and is characterized in that the heating tank is fastened above the tank body and is in sealing connection with the tank body. The tank body is provided with a jacket 11 outside, and the side wall of the tank body above the jacket 11 is provided with an exhaust port 14. A fluid medium accommodating space is formed between the jacket 11 and the side wall of the tank body, a water supply port 12 communicated with the interlayer is arranged at the bottom of the jacket 11, and a water return port 13 communicated with the interlayer is arranged at the upper part of the jacket. The tank cover is provided with a heating component 3, the lower part of the heating component 3 extends downwards into the tank body, the upper part of the heating component is positioned above irrigation and is in communication connection with a controller 5, the heating component 3 is an electric heating component 3, the controller 5 controls the on-off state and the heating temperature, and the controller 5 adopts a PLC controller 5.
The water return tank 8 is provided with a water inlet 82 and a water outlet 81, the water outlet 81 is connected with the input end of the water pump 9 through a pipeline, the output end of the water pump 9 is communicated with the water supply port 12 through a pipeline, and an electric valve is arranged on the output pipe section of the water pump 9 and is in communication connection with the controller 5, and the on-off state of the controller 5 is controlled. The water inlet 82 is communicated with the water return opening 13 through a pipeline and is used for enabling water cooled in the jacket 11 to flow back into the water return tank 8, and after being heated, the water is introduced into the interlayer through the water pump 9.
One end of the exhaust pipe 6 is communicated with the exhaust port 14, the other end of the exhaust pipe extends into the water return tank 8, an exhaust hole is formed in the section of the exhaust pipe 6 extending into the water return tank 8 and used for carrying out heat exchange with water in the water return tank 8, the water temperature in the water return tank 8 is improved, the water is then conveyed into an interlayer of a jacket 11 of the heating tank 1 through the water pump 9, the heating tank 1 is heated, and meanwhile, the heat output power of the heating assembly 3 is adjusted through the controller 5, so that the output of electric energy is reduced.
In order to increase the heat exchange area, the exhaust pipe 6 penetrates into the water return tank 8 from the side wall of the water return tank 8 in a sealing manner, and is horizontally arranged near the bottom of the water return tank 8. The extension length is slightly smaller than the length of the interior of the water return tank 8.
Preferably, the aperture of the vent is 2-4mm. And the exhaust holes are positioned at the bottom of the exhaust pipe 6 and are uniformly distributed along the length direction of the exhaust pipe 6 at intervals.
The heating tank 1 is also internally provided with a pressure gauge 4 which is fixed on the tank cover and is electrically connected with a controller 5. The exhaust pipe 6 is provided with an electric valve which is in communication connection with the controller 5. When the pressure in the heating tank 1 is greater than the set pressure, the controller 5 sends a control instruction to the electric valve to enable the electric valve to be in an open state, the exhaust pipe 6 is communicated with the heating tank 1, high-temperature steam in the heating tank 1 flows along the exhaust pipe 6 and flows out from the exhaust hole to perform heat exchange with low-temperature water in the water return tank 8, water in the water return tank 8 is heated, and heated water enters the interlayer of the jacket 11 through the outlet of the water return tank 8 and the water supply port 12 and is heated or insulated along with the heating tank 1.
In order to separate the steam from the condensed water in the pipeline, a drain valve is arranged on the exhaust pipe 6.
The water return tank 8 is internally provided with a temperature sensor 7 and is in communication connection with the controller 5. The electric valve is used for detecting the water temperature in the water return tank 8, when the water temperature in the water return tank 8 reaches a set value, the electric valve at the output end of the water pump 9 is controlled to be opened by the controller 5, and the high temperature water enters an interlayer of the jacket 11 through the water pump 9 and a pipeline.
Preferably, the jacket 11 is provided with an insulating layer on the outside, made of a heat insulating material. The method is used for reducing the loss of hot water and improving the utilization rate of a heat source.
Preferably, the heating tank 1 is also provided with a stirring mechanism 2 which is rotatably connected to the tank cover and extends downwards into the tank body, is provided with a stirring shaft and blades arranged on the stirring shaft and is driven by a motor. The stirring device has the effects of stirring the p-hydroxyacetophenone solvent in the heating tank 1, ensuring uniform heat and improving the reaction and dissolution efficiency.
The heating component 3 is arranged in the heating tank 1, so that the heating component 3 is directly contacted with the solvent instead of indirectly heated, the heating efficiency is improved, and the productivity is improved; at the same time, a jacket 11 is arranged outside the heating tank 1 to keep the heating tank 1 warm, and the water in the water return tank 8 is heated by utilizing the hot steam recovered from the heating tank 1, and the heated water is used for heating the heating tank 1, so that the heat output of the heating assembly 3 is reduced. The heat loss is reduced, the energy utilization rate is improved, and the production cost is reduced.
While the preferred embodiments of the present utility model have been described above, the present utility model is not limited to the above embodiments and examples, and various changes, equivalent substitutions, modifications and the like, which are within the knowledge of those skilled in the art, are intended to be included within the scope of the present utility model without departing from the spirit of the present utility model.
Claims (10)
1. A p-hydroxyacetophenone preparation device, comprising:
the heating tank (1) is provided with a tank body and a tank cover, a jacket (11) is arranged outside the tank body, an interlayer is formed between the jacket and the tank body, and an exhaust port (14) is arranged on the side wall of the tank body above the jacket (11); the bottom of the jacket (11) is provided with a water supply port (12) communicated with the interlayer, and the upper part of the jacket is provided with a water return port (13) communicated with the interlayer; the tank cover is provided with a heating component (3) which extends downwards into the tank body; the heating component (3) is in communication connection with the controller (5);
The water return tank (8) is provided with a water inlet (82) and a water outlet (81), the water outlet (81) is connected with the water pump (9) through a pipeline, the water pump (9) is communicated with the water supply port (12) through a pipeline, and the water inlet (82) is communicated with the water return port (13) through a pipeline;
One end of the exhaust pipe (6) is communicated with the exhaust port (14), the other end of the exhaust pipe extends into the water return tank (8), and an exhaust hole is arranged on the section of the exhaust pipe (6) extending into the water return tank (8) and used for carrying out heat exchange with water in the water tank.
2. The preparation device according to claim 1, characterized in that the exhaust pipe (6) penetrates into the water return tank (8) from the side wall of the water return tank (8) in a sealing manner and is horizontally arranged near the bottom of the water return tank.
3. The apparatus of claim 2, wherein the vent has a pore size of 2-4mm.
4. A device according to claim 3, wherein the exhaust holes are located at the bottom of the exhaust pipe (6) and are uniformly distributed at intervals.
5. The preparation device according to claim 4, wherein a pressure gauge (4) is further arranged in the heating tank (1), and is fixed on the tank cover and electrically connected with the controller (5).
6. The preparation device according to claim 5, characterized in that the exhaust pipe (6) is provided with an electric valve and is in communication connection with the controller (5).
7. The preparation device according to claim 6, characterized in that the exhaust pipe (6) is provided with a drain valve.
8. The preparation device according to claim 7, characterized in that the water return tank (8) is internally provided with a temperature sensor (7) and is in communication connection with the controller (5).
9. The preparation device according to claim 8, characterized in that the jacket (11) is provided with an insulation layer on the outside, made of a heat insulating material.
10. The preparation device according to claim 9, characterized in that the heating tank (1) is further provided with a stirring mechanism (2) connected to the tank cover and extending downwards into the tank, with a stirring shaft and blades arranged thereon.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221334176U true CN221334176U (en) | 2024-07-16 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |