CN220780277U - Phosgene preparation facilities based on DCS automatic control system - Google Patents
Phosgene preparation facilities based on DCS automatic control system Download PDFInfo
- Publication number
- CN220780277U CN220780277U CN202322328913.3U CN202322328913U CN220780277U CN 220780277 U CN220780277 U CN 220780277U CN 202322328913 U CN202322328913 U CN 202322328913U CN 220780277 U CN220780277 U CN 220780277U
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- China
- Prior art keywords
- feeding pipe
- automatic control
- control system
- temperature sensor
- pressure sensor
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- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000003786 synthesis reaction Methods 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 8
- 239000000460 chlorine Substances 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 description 6
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- NHYCGSASNAIGLD-UHFFFAOYSA-N chlorine monoxide Inorganic materials Cl[O] NHYCGSASNAIGLD-UHFFFAOYSA-N 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model provides a phosgene preparation device based on a DCS automatic control system, which comprises a first feeding pipe, a second feeding pipe, a main reactor, a protection reactor, a DCS automatic control system, a heat exchanger, a water pump, a temperature sensor, a pressure sensor, a flowmeter and a flow valve, wherein the first feeding pipe and the second feeding pipe are respectively connected with the main reactor, the DCS automatic control system comprises a control unit and a management unit, and the controller receives data sent by the first flow meter, the second flow meter, the first temperature sensor, the second temperature sensor, the first pressure sensor and the second pressure sensor and transmits the data to the management unit. The utility model realizes the automatic control of the phosgene generation process through the DCS automatic control system, ensures the safe and stable production of phosgene, simplifies the production operation and reduces the occurrence of safety accidents.
Description
Technical Field
The utility model belongs to the technical field of fine chemical engineering, and particularly relates to a phosgene preparation device based on a DCS automatic control system.
Background
In the industrial production of phosgene, carbon monoxide and chlorine are generally adopted as raw materials, activated carbon is adopted as a catalyst for synthesis, the proportion of the two reactants, namely carbon monoxide and chlorine, is regulated by manually controlling a manual stop valve and observing a float flowmeter in the traditional phosgene synthesis process, when the temperature and the pressure of the two reactants change, the method cannot be timely found and timely regulated, the mixing proportion of the carbon monoxide and the chlorine is unstable, the quality of the phosgene is influenced to a certain extent, and even if the chlorine is excessively and not timely regulated for a long time, the safety production accident can occur.
Disclosure of Invention
In view of the above, the utility model aims to overcome the defects of the prior art, and provides a phosgene preparation device based on a DCS automatic control system, which ensures safe and stable production of phosgene and realizes automatic control of the production process.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the phosgene preparation device based on the DCS automatic control system comprises a first feeding pipe, a second feeding pipe, a mixer, a main reactor and a protection reactor, wherein the first feeding pipe and the second feeding pipe are respectively connected with the main reactor through the mixer, the main reactor is connected with the protection reactor, a first flowmeter and a first flow valve are arranged at a discharge hole of the first feeding pipe, a second flowmeter and a second flow valve are arranged at a discharge hole of the second feeding pipe, a first temperature sensor and a first pressure sensor are arranged in the first feeding pipe, and a second temperature sensor and a first two pressure sensor are arranged in the second feeding pipe;
the DCS automatic control system comprises a control unit and a management unit, the control unit comprises a controller and an interface module, the controller receives data sent by the first flowmeter, the second flowmeter, the first temperature sensor, the second temperature sensor, the first pressure sensor and the second pressure sensor and transmits the data to the management unit through the interface module, the management unit judges whether the data is abnormal or not according to the received data of the first flowmeter, the second flowmeter, the first temperature sensor, the second temperature sensor, the first pressure sensor and the second pressure sensor, if the data is abnormal, a control instruction is sent to the controller, and the controller controls the first flow valve and the second flow valve to act;
the phosgene synthesis device also comprises a heat exchanger and a water pump, wherein the heat exchanger takes away heat released in the phosgene synthesis process by utilizing thermal circulation, and the water pump is used for supplementing circulating water.
Further, the first flowmeter, the second flowmeter, the first temperature sensor, the second temperature sensor, the first pressure sensor, the second pressure sensor, the first flow valve and the second flow valve are connected with the controller in a wired or wireless mode.
Furthermore, the controller adopts a singlechip.
Further, the management unit comprises an upper computer and a server, and the server further comprises a cloud server.
Further, the management unit further comprises an alarm device, and when the data are abnormal, an alarm prompt is sent to the staff.
Compared with the prior art, the phosgene preparation device based on the DCS automatic control system has the following advantages:
the utility model realizes the automatic control of the phosgene generation process through the DCS automatic control system, ensures the safe and stable production of phosgene, simplifies the production operation and reduces the occurrence of safety accidents; the DCS automatic control system can meet the production process requirements of the chemical industry, and saves labor cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a construction of a phosgene preparation device based on a DCS automatic control system of the present utility model;
FIG. 2 is a schematic diagram of a phosgene preparation apparatus based on a DCS automatic control system according to the present utility model.
Description of the reference numerals
1-a first feed tube; 2-a second feed tube; 3-a mixer; 4-a main reactor; 5-protecting the reactor; 6-a first flowmeter; 7-a first flow valve; 8-a second flowmeter; 9-a second flow valve; 10-a first temperature sensor; 11-a first pressure sensor; 12-a second temperature sensor; 13-a second pressure sensor; 14-a heat exchanger; 15-a water pump; 16-a control unit; 17-management unit.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1-2, the utility model provides a phosgene preparation device based on a DCS automatic control system, which comprises a first feeding pipe 1, a second feeding pipe 2, a mixer 3, a main reactor 4 and a protection reactor 5, wherein the first feeding pipe 1 and the second feeding pipe 2 are respectively connected with the main reactor 4 through the mixer 3, the main reactor 4 is connected with the protection reactor 5, a discharge port of the first feeding pipe 1 is provided with a first flowmeter 6 and a first flow valve 7, a discharge port of the second feeding pipe 2 is provided with a second flowmeter 8 and a second flow valve 9, a first temperature sensor 10 and a first pressure sensor 11 are arranged in the first feeding pipe 1, and a second temperature sensor 12 and a second pressure sensor 13 are arranged in the second feeding pipe 2;
the DCS control system comprises a control unit 16 and a management unit 17, wherein the control unit 16 comprises a controller and an interface module, the controller receives data sent by the first flowmeter 6, the second flowmeter 8, the first temperature sensor 10, the second temperature sensor 12, the first pressure sensor 11 and the second pressure sensor 13 and transmits the data to the management unit 17 through the interface module, the management unit 17 judges whether the data is abnormal according to the received data of the first flowmeter 6, the second flowmeter 8, the first temperature sensor 10, the second temperature sensor 12, the first pressure sensor 11 and the second pressure sensor 13, and if the data is abnormal, a control instruction is sent to the controller, and the controller controls the first flow valve 7 and the second flow valve 9 to act;
the phosgene synthesis device also comprises a heat exchanger 14 and a water pump 15, wherein the heat exchanger 14 takes away heat released in the phosgene synthesis process by utilizing thermal circulation, and the water pump 15 is used for supplementing circulating water.
Specifically, the first flowmeter 6, the second flowmeter 8, the first temperature sensor 10, the second temperature sensor 12, the first pressure sensor 11, the second pressure sensor 13, the first flow valve 7 and the second flow valve 9 are all connected with a controller in a wired or wireless mode.
Specifically, the controller adopts a singlechip.
Specifically, the management unit 17 includes an upper computer and a server, and the server further includes a cloud server.
Specifically, the management unit 17 further includes an alarm device, and sends an alarm alert to the staff when the abnormality occurs in the data.
When the utility model works, chlorine and carbon monoxide are metered according to a set proportion and then enter a mixer 3 through a first feeding pipe 1 and a second feeding pipe 2 respectively to be mixed, the mixture enters a main reactor 4 after passing through the mixer 3, most of the gas phase mixture from the main reactor 4 is phosgene, a small amount of unreacted chlorine and carbon monoxide are also contained in the gas phase mixture, the gas phase mixture enters a phosgene protection reactor to ensure that the chlorine content in the phosgene meets the standard, and the heat released by phosgene synthesis is taken away through a heat exchanger 14 and the circulating water is conveyed through a water pump 15.
When the utility model works, the flow rate of the input chlorine and carbon monoxide is measured by the first flow meter 6 and the second flow meter 8, data is sent to the management unit 17, and when the detected data exceeds a set threshold value, the corresponding flow valve is controlled to operate so as to control the flow rate.
When the temperature of the material fed into the first feeding pipe 1 and the second feeding pipe 2 is increased, the temperature of the material fed into the first feeding pipe is easy to change, and when the temperature sensor is operated, the temperature data of the material fed into the first feeding pipe 1 and the material fed into the second feeding pipe 2 are detected through the first temperature sensor 10 and the second temperature sensor 12 and sent to the management unit 17, and when the detected data exceeds a set threshold value, an alarm prompt is sent through the management unit 17, and a worker carries out corresponding treatment, so that the occurrence of danger is reduced.
When the feeding materials of the first feeding pipe 1 and the second feeding pipe 2 are increased, the pressure of the feeding pipe is easy to change, and when the feeding device works, the pressure data of the first feeding pipe 1 and the second feeding pipe 2 are detected through the first pressure sensor 11 and the second pressure sensor 13 and sent to the management unit 17, and when the detected data exceeds a set threshold value, an alarm prompt is sent through the management unit, so that workers can perform corresponding treatment, and danger is reduced.
It should be noted that, each unit module used in the present utility model is an existing product in the field, and the connection relationship between each module is also a conventional technology in the field, so the present utility model is not limited to the model and connection mode of each module used, as long as the data transmission can be realized.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (5)
1. Phosgene preparation facilities based on DCS automatic control system, its characterized in that: the device comprises a first feeding pipe, a second feeding pipe, a mixer, a main reactor and a protection reactor, wherein the first feeding pipe and the second feeding pipe are respectively connected with the main reactor through the mixer, the main reactor is connected with the protection reactor, a discharge port of the first feeding pipe is provided with a first flowmeter and a first flow valve, a discharge port of the second feeding pipe is provided with a second flowmeter and a second flow valve, a first temperature sensor and a first pressure sensor are arranged in the first feeding pipe, and a second temperature sensor and a first two pressure sensor are arranged in the second feeding pipe;
the DCS automatic control system comprises a control unit and a management unit, the control unit comprises a controller and an interface module, the controller receives data sent by the first flowmeter, the second flowmeter, the first temperature sensor, the second temperature sensor, the first pressure sensor and the second pressure sensor and transmits the data to the management unit through the interface module, the management unit judges whether the data is abnormal or not according to the received data of the first flowmeter, the second flowmeter, the first temperature sensor, the second temperature sensor, the first pressure sensor and the second pressure sensor, if the data is abnormal, a control instruction is sent to the controller, and the controller controls the first flow valve and the second flow valve to act;
the phosgene synthesis device also comprises a heat exchanger and a water pump, wherein the heat exchanger takes away heat released in the phosgene synthesis process by utilizing thermal circulation, and the water pump is used for supplementing circulating water.
2. The apparatus for preparing phosgene based on a DCS automatic control system as set forth in claim 1, wherein: the first flowmeter, the second flowmeter, the first temperature sensor, the second temperature sensor, the first pressure sensor, the second pressure sensor, the first flow valve and the second flow valve are all connected with the controller in a wired or wireless mode.
3. The apparatus for preparing phosgene based on a DCS automatic control system as set forth in claim 1, wherein: the controller adopts a singlechip.
4. The apparatus for preparing phosgene based on a DCS automatic control system as set forth in claim 1, wherein: the management unit comprises an upper computer and a server, and the server further comprises a cloud server.
5. The apparatus for preparing phosgene based on a DCS automatic control system as set forth in claim 1, wherein: the management unit also comprises an alarm device, and when the data is abnormal, an alarm prompt is sent to the staff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322328913.3U CN220780277U (en) | 2023-08-29 | 2023-08-29 | Phosgene preparation facilities based on DCS automatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322328913.3U CN220780277U (en) | 2023-08-29 | 2023-08-29 | Phosgene preparation facilities based on DCS automatic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220780277U true CN220780277U (en) | 2024-04-16 |
Family
ID=90660252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322328913.3U Active CN220780277U (en) | 2023-08-29 | 2023-08-29 | Phosgene preparation facilities based on DCS automatic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220780277U (en) |
-
2023
- 2023-08-29 CN CN202322328913.3U patent/CN220780277U/en active Active
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