Continuous organic pigment production device

Abstract

The utility model provides a continuous organic pigment production device which comprises a first reaction assembly, a second reaction assembly and a delayed reaction assembly which are sequentially communicated, the first reaction assembly comprises a first pipeline reactor and a first material receiving buffer kettle, and the second reaction assembly comprises a second pipeline reactor and a second material receiving buffer kettle. The first reaction assembly comprises a first pipeline reactor and a first material receiving buffer kettle, the second reaction assembly comprises a second pipeline reactor and a second material receiving buffer kettle, the delay reaction assembly comprises a third pipeline reactor, the first material receiving buffer kettle is communicated with the second pipeline reactor, and the second material receiving buffer kettle is communicated with the third pipeline reactor. The diazotization reaction-coupling reaction, the diazotization reaction-coupling reaction-complexation reaction, the condensation reaction-hydrolysis reaction and pigmentation treatment in the organic pigment production process can be realized in a pipeline reactor, and azo pigments, benzimidazolone pigments, metal complex pigments, organic pigments, organic pigments and organic pigments can be obtained. And the high-quality organic pigment is obtained through continuous production of isoindoline pigment and quinacridone pigment.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical equipment, in particular to a continuous organic pigment production device. Background Art

[0002] Organic pigments are insoluble organic substances, usually added to substrates in a highly dispersed state to color the substrates. They include: azo pigments, benzimidazolone pigments, phthalocyanine pigments, triarylmethane pigments, isoindoline pigments, metal complex pigments, quinacridone pigments, etc. Organic pigments have bright colors and high tinting strength, and can be widely used in inks, paints, coatings, synthetic fiber pulp coloring, as well as fabric coating printing, plastics, rubber, leather, etc.

[0003] At present, the continuous production equipment commonly used in industry mainly adopts microreactors, but microreactors are not well suitable for the continuous production of organic pigments, mainly because the synthesized organic pigments are dispersed in the reaction medium in the form of solid suspensions. Due to its own design, the internal channel of the microreactor is too narrow, which is easy to cause material blockage, thereby bringing adverse effects on the continuous production of organic pigments. Therefore, a continuous organic pigment production device suitable for organic pigments is needed. Utility Model Content

[0004] In order to solve the problems existing in the above-mentioned prior art, a continuous organic pigment production device is provided. The technical solution adopted by the utility model to solve the technical problem is:

[0005] A continuous organic pigment production device, comprising:

[0006] A first reaction assembly, the first reaction assembly comprising a first pipeline reactor and a first material receiving buffer kettle, wherein a reaction product outlet of the first pipeline reactor is connected to a feed inlet of the first material receiving buffer kettle;

[0007] A second reaction assembly, the second reaction assembly comprising a second pipeline reactor and a second receiving buffer kettle, the reaction raw material inlet of the second pipeline reactor is connected to the discharge port of the first receiving buffer kettle, and the reaction product outlet of the second pipeline reactor is connected to the feed port of the second receiving buffer kettle;

[0008] The third reaction component includes a third pipeline reactor, and the reaction raw material inlet of the third pipeline reactor is connected to the discharge port of the second material receiving buffer kettle.

[0009] The first pipeline reactor, the second pipeline reactor and the third pipeline reactor are provided with a dynamic mixing device. The reaction raw material inlets of the first pipeline reactor, the second pipeline reactor and the third pipeline reactor are respectively connected to a liquid material conveying device for conveying liquid materials through pipelines. The liquid material conveying device includes a metering pump, and the outlet of the metering pump is connected to the reaction raw material inlet through a pipeline.

[0010] Preferably, a pressure gauge, an electromagnetic flowmeter, a flow calibration port, and a check valve are sequentially connected to the pipeline between the outlet of the metering pump and the inlet of the reaction raw materials. The pressure gauge is installed at the outlet of the metering pump, and the check valve is installed at the inlet of the reaction raw materials.

[0011] Preferably, a damper is installed between the outlet of the metering pump and the pressure gauge.

[0012] Preferably, the metering pump comprises a hydraulic diaphragm metering pump.

[0013] Preferably, the inlet of the metering pump corresponding to the third pipeline reactor is connected to the discharge port of the second material receiving buffer kettle.

[0014] Preferably, the first pipeline reactor and the second pipeline reactor are provided with multiple groups of reaction raw material inlets, the reaction raw material inlets include a first raw material inlet and a second raw material inlet, and the inlet of the metering pump corresponding to the first raw material inlet in the second pipeline reactor is connected to the discharge port of the first material receiving buffer kettle.

[0015] Preferably, a solid material delivery pipe for delivering solid materials is also connected to the pipeline between the first raw material inlet and the check valve connected thereto, and the other end of the solid material delivery pipe is connected to a solid feeder.

[0016] Preferably, the solid conveying pipe is connected to a control valve for controlling the opening and closing of the solid conveying pipe.

[0017] Preferably, two online pH detectors are respectively connected on the pipeline between the reaction product outlet of the first pipeline reactor and the feed inlet of the first receiving buffer kettle, and on the pipeline between the reaction product outlet of the second pipeline reactor and the feed inlet of the second receiving buffer kettle.

[0018] Preferably, the first reaction component further comprises a first refrigerator, the first refrigerator is provided with a first refrigeration pipeline, and the first pipeline reactor and the first material receiving buffer kettle are connected to the first refrigeration pipeline through pipelines respectively.

[0019] Preferably, the first refrigerator comprises a low-temperature cycle refrigerator.

[0020] Preferably, the second reaction component further comprises a second refrigerator, the second refrigerator is provided with a second refrigeration pipeline, and the second pipeline reactor and the second material receiving buffer kettle are connected to the second refrigeration pipeline through pipelines respectively.

[0021] Preferably, the second refrigerator comprises a high temperature cycle machine.

[0022] Preferably, the third pipeline reactor is connected to the second refrigeration pipeline through a pipeline.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] 1. The utility model is provided with a first reaction component, a second reaction component and a third reaction component, which are connected in series in sequence, and the first reaction component and the second reaction component are provided with a dynamic mixing device. The diazotization reaction-coupling reaction, diazotization reaction-coupling reaction-complexation reaction, condensation reaction-hydrolysis reaction and pigmentation treatment in the organic pigment production process can be carried out in a pipeline reactor, and azo pigments, benzimidazolone pigments, metal complex pigments, isoindoline pigments, quinacridone pigments can be realized to obtain high-quality organic pigments.

[0025] 2. In the utility model, the reaction raw material inlets of the first pipeline reactor, the second pipeline reactor and the third pipeline reactor are respectively connected to a liquid material conveying device for conveying liquid materials through pipelines. The liquid material conveying device includes a hydraulic diaphragm feed pump. The hydraulic diaphragm feed pump can adjust the flow rate by setting the frequency and manually adjusting the stroke, thereby changing the conveying speed of the liquid material, thereby adapting to the process requirements of different organic pigments in actual production, and has strong adaptability.

[0026] 3. In the utility model, an electromagnetic flowmeter, a flow calibration port, and a check valve are sequentially connected to the pipeline between the outlet of the hydraulic diaphragm feed pump and the inlet of the reaction raw materials. The flow calibration port is used to calibrate the flow of the hydraulic diaphragm feed pump and the electromagnetic flowmeter, thereby improving the conveying accuracy of liquid materials, ensuring the accuracy of the raw material ratio entering the pipeline reactor, and further ensuring the high quality of organic pigments. In addition, a solid feed pipe for conveying solid materials is also connected between the check valve and the first raw material inlet. The other end of the solid feed pipe is connected to a solid feeder. The solid feeder adopts weightless metering to realize continuous feeding of solid powder. In addition, with the cooperation of the check valve, the first raw material inlet can be fed with solid or liquid, can be switched freely, is easy to use, can be used for liquid-liquid and liquid-solid reactions, and is suitable for the preparation of different types of pigments. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0028] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0029] Figure 2 This is a schematic diagram of the structure of the first reaction component in the utility model;

[0030] Figure 3 It is a schematic diagram of the structure of the second reaction component in the utility model;

[0031] Figure 4 It is a schematic diagram of the structure of the third reaction component in the utility model;

[0032] Figure 5 It is a structural schematic diagram of the liquid material conveying device in the utility model.

[0033] Description of reference numerals:

[0034] 100 first pipeline reactor; 101 first raw material inlet; 102 second raw material inlet; 103 solid feed pipe; 104 solid feeder; 105 online pH detector; 110 first material receiving buffer kettle; 120 second pipeline reactor; 130 second material receiving buffer kettle; 140 third pipeline reactor; 142 back pressure valve; 143 finished product output port; 150 metering pump; 152 pressure gauge; 153 electromagnetic meter; 154 flow calibration port; 155 check valve; 156 cleaning port; 157 sight glass; 15880 mesh basket filter; 159 feeding port; 160 first refrigerator; 161 first refrigeration pipeline; 170 second refrigerator; 171 second refrigeration pipeline. DETAILED DESCRIPTION

[0035] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0036] like Figure 1 As shown, the utility model proposes a continuous organic pigment production device, which includes:

[0037] A continuous organic pigment production device, comprising:

[0038] A first reaction assembly, the first reaction assembly includes a first pipeline reactor 100 and a first material receiving buffer kettle 110, and a reaction product outlet of the first pipeline reactor 100 is connected to a feed inlet of the first material receiving buffer kettle 110;

[0039] The second reaction assembly includes a second pipeline reactor 120 and a second material receiving buffer kettle 130, wherein the reaction raw material inlet of the second pipeline reactor 120 is connected to the discharge port of the first material receiving buffer kettle 110, and the reaction product outlet of the second pipeline reactor 120 is connected to the feed port of the second material receiving buffer kettle 130;

[0040] The third reaction component includes a third pipeline reactor 140 , and the reaction raw material inlet of the third pipeline reactor 140 is connected to the discharge port of the second material receiving buffer kettle 130 .

[0041] In this embodiment, the feed pipelines of the first pipeline reactor 100, the second pipeline reactor 120 and the third pipeline reactor 140 are all provided with temperature sensors for real-time display of the material feed temperature; the reactor mixing zone is provided with a temperature sensor and a pressure sensor for real-time display of the temperature change and pressure change during the material reaction process; two temperature sensors and a safety valve are provided in the middle of the reactor. By providing the temperature sensor, the reaction temperature of the material can be accurately controlled to ensure the normal progress of the reaction.

[0042] Azo pigments are insoluble organic compounds containing azo groups in their molecular structures. They have bright colors and high tinting strength, but their fastness is often poor. However, they are still widely used due to their convenient manufacturing and low price. This type of pigment is generally made by diazotizing aromatic amines and heterocyclic aromatic amines and then coupling them with coupling components such as acetylethylarylamine, naphthol, chromophore, pyrazolone, etc. to generate insoluble precipitates. They can be divided into monoazo and disazo pigments. The yellow, orange and red azo pigments currently used account for about 60% of the total output of organic pigments. The following takes azo pigment yellow 194 as an example to introduce the use of this device.

[0043] When in use, 250 kg of o-anisidine, 700 kg of hydrochloric acid and 6000 kg of water are continuously prepared into a solution in a fixed ratio, and 146 kg of sodium nitrite and 900 kg of water are prepared into a solution. The above two solutions are continuously added into the first pipeline reactor 100 through the reaction raw material inlet of the first pipeline reactor 100 to produce a diazo reaction. The reaction temperature inside the first pipeline reactor 100 is controlled to make the above mixture react within a temperature range of 0-10° C. and a reaction time of 0.1-10 min to obtain a yellow-green diazo liquid with quality meeting the coupling requirements. The yellow-green diazo liquid enters the first receiving buffer kettle 110 for storage.

[0044] 605 kg of AABI, 170 kg of sodium hydroxide, 400 kg of sodium acetate and 7000 kg of water are continuously prepared into a solution at a fixed ratio, and the solution and the yellow-green diazo liquid obtained in the previous step are continuously and concurrently added into the second pipeline reactor 120 for coupling reaction, and the pH value of the second pipeline reactor 120 is maintained at 7-10 and the temperature at 20-30° C. The coupling slurry obtained after the reaction is stored in the second receiving buffer kettle 130.

[0045] The crude product of Pigment Yellow 194 is sent to the third pipeline reactor 140, heat treated at 90-110°C, filtered, washed and dried to obtain the Pigment Yellow 194 product.

[0046] The device is provided with a first reaction component, a second reaction component and a third reaction component, and the first reaction component, the second reaction component and the third reaction component are connected in series in sequence. The diazotization reaction-coupling reaction, diazotization reaction-coupling reaction-complexation reaction, condensation reaction-hydrolysis reaction and pigmentation treatment in the organic pigment production process can be carried out in a pipeline reactor, and the continuous production of azo pigments, benzimidazolone pigments, metal complex pigments, isoindoline pigments and quinacridone pigments can be realized to obtain high-quality organic pigments.

[0047] like Figure 1-5 As shown, in one embodiment of the continuous organic pigment production device of the utility model,

[0048] The first pipeline reactor 100, the second pipeline reactor 120, and the third pipeline reactor 140 are all provided with a dynamic mixing device. The reaction raw material inlets of the first pipeline reactor 100, the second pipeline reactor 120, and the third pipeline reactor 140 are respectively connected to a liquid material conveying device for conveying liquid materials through pipelines. The liquid material conveying device includes a metering pump 150, and the outlet of the metering pump 150 is connected to the reaction raw material inlet through a pipeline.

[0049] The pipeline between the outlet of the metering pump 150 and the inlet of the reaction raw materials is also connected in sequence with a pressure gauge 152, an electromagnetic flowmeter 153, a flow calibration port 154, and a check valve 155. The pressure gauge 152 is installed at the outlet of the metering pump 150, and the check valve 155 is installed at the inlet of the reaction raw materials.

[0050] A damper is also installed between the outlet of the metering pump 150 and the pressure gauge 152 .

[0051] The metering pump 150 comprises a hydraulic diaphragm metering pump.

[0052] The inlet of the metering pump 150 corresponding to the third pipeline reactor 140 is connected to the discharge port of the second material receiving buffer kettle 130 .

[0053] The first pipeline reactor 100 and the second pipeline reactor 120 are provided with multiple groups of reaction raw material inlets, including a first raw material inlet 101 and a second raw material inlet 102. The inlet of the metering pump 150 corresponding to the first raw material inlet 101 in the second pipeline reactor 120 is connected to the discharge port of the first receiving buffer kettle 110.

[0054] A solid material conveying pipe 103 for conveying solid materials is also connected to the pipeline between the first raw material inlet 101 and the check valve 155 connected thereto, and the other end of the solid material conveying pipe 103 is connected to a solid feeder 104 .

[0055] The solid material conveying pipe 103 is connected to a control valve for controlling the opening and closing of the solid material conveying pipe 103 .

[0056] Two online pH detectors 105 are respectively connected to the pipeline between the reaction product outlet of the first pipeline reactor 100 and the feed inlet of the first receiving buffer kettle 110, and to the pipeline between the reaction product outlet of the second pipeline reactor 120 and the feed inlet of the second receiving buffer kettle 130.

[0057] The first reaction assembly further includes a first refrigerator 160 , and the first refrigerator 160 is provided with a first refrigeration pipeline 161 . The first pipeline reactor 100 and the first material receiving buffer kettle 110 are respectively connected to the first refrigeration pipeline 161 through pipelines.

[0058] The first refrigerator 160 includes a low-temperature cycle refrigerator.

[0059] The second reaction assembly further includes a second refrigerator 170 , and the second refrigerator 170 is provided with a second refrigeration pipeline 171 . The second pipeline reactor 120 and the second material receiving buffer kettle 130 are respectively connected to the second refrigeration pipeline 171 through pipelines.

[0060] The second refrigerator 170 includes a high temperature cycle machine.

[0061] The third pipeline reactor 140 is connected to the second refrigeration pipeline 171 through a pipeline.

[0062] In this real-time example, the first pipeline reactor 100, the second pipeline reactor 120 and the third pipeline reactor 140 use the HL reactor of Guizhou Weihua Technology Co., Ltd. The HL reactor is provided with two or more feeding ports, and a dynamic mixing device is also provided inside the HL reactor. The dynamic mixing device provides the mixing and stirring required for the pigment reaction, which includes a spiral backflow trough, and the mixing channel is connected to the raw material mixing outlet. After the mixing is completed, it enters the delayed reaction zone, and the delayed reaction zone is used to ensure the completeness of the reaction.

[0063] The solid feeder 104 belongs to the prior art, and its finished product equipment can be easily obtained on the market, so it is not described in detail in this patent.

[0064] The metering pump 150 includes a hydraulic diaphragm metering pump. The feeding end of the hydraulic diaphragm feed pump is sequentially provided with a cleaning port 156, a sight glass 157, and an 80-mesh basket filter 158. The cleaning ports 156 corresponding to the first raw material inlet 101 and the second raw material inlet 102 of the first pipeline reactor 100 are both connected to the feeding port 159. The cleaning port 156 corresponding to the second raw material inlet 102 in the second pipeline reactor 120 is connected to the feeding port 159. The cleaning port 156 corresponding to the first raw material inlet 101 in the first raw material inlet 101 is connected to the discharge port of the first material receiving buffer kettle 110.

[0065] The hydraulic diaphragm feed pump can adjust the flow rate by setting the frequency and manually adjusting the stroke; thereby changing the delivery speed of the liquid material, so as to adapt to the process requirements of different organic pigments in actual production, and has strong adaptability.

[0066] The flow calibration port is used to calibrate the pump flow and the electromagnetic flowmeter 153. The flow calibration port is used to calibrate the hydraulic diaphragm feed pump flow and the electromagnetic flowmeter 153, thereby improving the delivery accuracy of liquid materials, ensuring the accuracy of the raw material ratio entering the pipeline reactor, and further ensuring the high quality of organic pigments.

[0067] It should be specially noted that two φ8 spare feed ports are set in the middle of the first pipeline reactor 100 and the second pipeline reactor 120; a solid feed pipe 103 for conveying solid materials is connected to the pipeline between the first raw material inlet 101 and the check valve 155, and the other end of the solid feed pipe 103 is connected to a solid feeder 104. The solid feeder 104 adopts weight loss metering to realize continuous feeding of solid powder, and with the cooperation of the check valve 155, the first raw material inlet can be fed with solid or liquid, and can be switched freely, which is easy to use, so that the first pipeline reactor 100 and the second pipeline reactor 120 can flexibly realize liquid-liquid and solid-liquid reactions.

[0068] A first refrigerator 160 is provided in the first reaction component, and the first refrigerator 160 is provided with a first refrigeration pipe 161. The second pipe reactor 120 and the second material receiving buffer kettle 130 are connected to the first refrigeration pipe 161 through pipelines respectively. Under the connection action of the first refrigeration pipe 161, the first refrigerator 160, the second pipe reactor 120 and the second material receiving buffer kettle 130 form a passage for refrigerant circulation, so that under the action of the first refrigerator 160, the temperature of the diazo reaction can be effectively controlled to ensure the normal progress of the reaction.

[0069] A second refrigerator 170 is provided in the second reaction component, and the second refrigerator 170 is provided with a second refrigeration pipe 171. The second pipe reactor 120 and the second material receiving buffer kettle 130 are connected to the second refrigeration pipe 171 through pipelines, respectively, and the third pipe reactor 140 is also connected to the second refrigeration pipe 171 through a pipeline. Under the action of the second refrigeration pipe 171, the second refrigerator 170, the second pipe reactor 120, the second material receiving buffer kettle 130, and the third pipe reactor 140 form a passage for refrigerant circulation, which can effectively control the temperature of the coupling reaction and ensure the normal progress of the coupling reaction.

[0070] The reaction product outlet of the third pipeline reactor 140 is connected to a back pressure valve 142 and a finished product output port 143 in sequence, and the final reaction product is outputted through the finished product output port 143 .

[0071] When in use, 250 kg of o-anisidine, 700 kg of hydrochloric acid, and 6000 kg of water are continuously prepared into a solution at a fixed ratio, and 146 kg of sodium nitrite and 900 kg of water are prepared into a solution. The above two solutions are respectively divided and continuously added into the first pipeline reactor 100 through the first raw material inlet 101 and the second raw material inlet 102 of the first pipeline reactor 100 to produce a diazo reaction.

[0072] The reaction temperature inside the first pipeline reactor 100 is controlled to make the above mixture react within the temperature range of 0-10°C and the reaction time is 0.1-10min to obtain a yellow-green diazo liquid with quality meeting the coupling requirements. The yellow-green diazo liquid enters the first receiving buffer kettle 110 for storage.

[0073] 605 kg of AABI, 170 kg of sodium hydroxide, 400 kg of sodium acetate and 7000 kg of water are continuously configured in a fixed ratio to form a solution, and the solution is added to the second pipeline reactor 120 through the second raw material inlet 102 of the second pipeline reactor 120. The yellow-green diazo liquid obtained in the previous step is added to the second pipeline reactor 120 through the first raw material inlet 101 of the second pipeline reactor 120 to carry out a coupling reaction. The pH value of the second pipeline reactor 120 is maintained at 7-10 and the temperature is maintained at 20-30° C. The coupling slurry obtained after the reaction is stored in the second receiving buffer kettle 130.

[0074] The crude product of Pigment Yellow 194 is fed into the third pipeline reactor 140 through the reaction raw material inlet of the third pipeline reactor 140, and is heat-treated at 90-110° C., filtered, washed, and dried to obtain the Pigment Yellow 194 product.

[0075] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A continuous organic pigment production device, characterized in that: It includes: A first reaction component, the first reaction component comprising a first pipeline reactor (100) and a first material receiving buffer kettle (110), wherein a reaction product outlet of the first pipeline reactor (100) is connected to a feed inlet of the first material receiving buffer kettle (110); A second reaction component, the second reaction component comprises a second pipeline reactor (120) and a second material receiving buffer kettle (130), the reaction raw material inlet of the second pipeline reactor (120) is connected to the discharge port of the first material receiving buffer kettle (110), and the reaction product outlet of the second pipeline reactor (120) is connected to the feed port of the second material receiving buffer kettle (130); The third reaction component comprises a third pipeline reactor (140), and the reaction raw material inlet of the third pipeline reactor (140) is connected to the discharge port of the second receiving buffer kettle (130).

2. The continuous organic pigment production device according to claim 1, characterized in that: The first pipeline reactor (100), the second pipeline reactor (120), and the third pipeline reactor (140) are all provided with a dynamic mixing device. The reaction raw material inlets of the first pipeline reactor (100), the second pipeline reactor (120), and the third pipeline reactor (140) are respectively connected to a liquid material conveying device for conveying liquid materials through pipelines. The liquid material conveying device comprises a metering pump (150), and the outlet of the metering pump (150) is connected to the reaction raw material inlet through a pipeline.

3. The continuous organic pigment production device according to claim 2, characterized in that: The metering pump (150) comprises a hydraulic diaphragm metering pump.

4. The continuous organic pigment production device according to claim 2, characterized in that: A pressure gauge (152), an electromagnetic flowmeter (153), a flow calibration port (154), and a check valve (155) are sequentially connected to the pipeline between the outlet of the metering pump (150) and the inlet of the reaction raw materials. The pressure gauge (152) is installed at the outlet of the metering pump (150), and the check valve (155) is installed at the inlet of the reaction raw materials.

5. The continuous organic pigment production device according to claim 4, characterized in that: The first pipeline reactor (100) and the second pipeline reactor (120) are provided with multiple groups of reaction raw material inlets, and the reaction raw material inlets include a first raw material inlet (101) and a second raw material inlet (102). The inlet of the metering pump (150) corresponding to the first raw material inlet (101) in the second pipeline reactor (120) is connected to the discharge port of the first material receiving buffer kettle (110).

6. The continuous organic pigment production device according to claim 5, characterized in that: The pipeline between the first raw material inlet (101) and the check valve (155) connected thereto is also connected to a solid material delivery pipe (103) for conveying solid materials, and the other end of the solid material delivery pipe (103) is connected to a solid feeder (104).

7. The continuous organic pigment production device according to claim 1, characterized in that: The first reaction component also includes a first refrigerator (160), the first refrigerator (160) is provided with a first refrigeration pipeline (161), and the first pipeline reactor (100) and the first material receiving buffer kettle (110) are connected to the first refrigeration pipeline (161) through pipelines respectively.

8. The continuous organic pigment production device according to claim 7, characterized in that: The first refrigerator (160) comprises a low-temperature cycle refrigerator.

9. The continuous organic pigment production device according to claim 1, characterized in that: The second reaction assembly further comprises a second refrigerator (170), the second refrigerator (170) is provided with a second refrigeration pipeline (171), and the second pipeline reactor (120) and the second material receiving buffer kettle (130) are respectively connected to the second refrigeration pipeline (171) through pipelines.

10. The continuous organic pigment production device according to claim 9, characterized in that: The second refrigerator (170) includes a high-temperature cycle machine.

Images